CN116838697A - Rotating mechanisms and foldable electronics - Google Patents

Abstract

This application provides a rotating mechanism and a foldable electronic device. The rotating mechanism includes a fixed base, a first floating plate, a second floating plate, a first main swing arm and a second main swing arm. The first floating plate and the second floating plate are installed side by side on the fixed base and can rotate relative to the fixed base. The first main swing arm is installed on the first rotation groove of the fixed base and can slide along the first rotation groove. The second main swing arm is installed on the second rotation groove of the fixed base and can slide along the second rotation groove. The first main swing arm and the second main swing arm rotate simultaneously and in opposite directions. The first main swing arm and the second main swing arm rotate to realize relative rotation of the first floating plate and the second floating plate. The rotation mechanism provided by this application can solve the technical problem that the display screen is easily squeezed when the foldable electronic device is in a folded state.

Description

Rotating mechanisms and foldable electronics

Technical field

The present application relates to the technical field of electronic products, and in particular to a rotating mechanism and foldable electronic equipment.

Background technique

Flexible displays have bendable properties, allowing electronic devices equipped with flexible displays, that is, foldable electronic devices, to be able to switch between folded and flat states. Foldable electronic devices have a large display area and are portable, and are increasingly favored by consumers. However, during the folding process of existing foldable electronic devices, the bends of the flexible display are easily squeezed, which will eventually cause damage to the flexible display and affect the service life of the flexible display.

Contents of the invention

The present application provides a rotation mechanism and a foldable electronic device to solve the technical problem that the bending part of the flexible display screen of the existing foldable electronic device is easily squeezed during the folding process.

In a first aspect, this application provides a rotating mechanism. The rotating mechanism includes: a fixed base, a first floating plate, a second floating plate, a first main swing arm and a second main swing arm. The fixed base is provided with a first rotation groove and a second rotation groove, and the first rotation groove and the second rotation groove are arranged oppositely. The first floating plate includes a first side and a second side arranged oppositely, the second floating plate includes a third side and a fourth side arranged oppositely, the first floating plate and the third floating plate Two floating boards are arranged side by side, and the second side is opposite to the fourth side. Both the first floating board and the second floating board are installed on the fixed base, and the first side The side and the third side are respectively rotatably connected to the fixed base.

The first main swing arm is installed in the first rotation groove and is opposite to the first floating plate, and the first main swing arm can slide along the first rotation groove. The second main swing arm is installed in the second rotation groove and is opposite to the second floating plate, and the second main swing arm can slide along the second rotation groove. The first main swing arm and the second main swing arm rotate simultaneously and in opposite directions. The first main swing arm and the second main swing arm rotate to achieve relative rotation of the first floating plate and the second floating plate.

The rotating mechanism is used in foldable electronic devices, and the foldable electronic devices include display screens. In this embodiment, the foldable electronic device can be folded or unfolded through the rotation of the rotation mechanism. When the foldable electronic device is in the folded state, the display screen bends.

The rotation mechanism provided by this application is provided with a rotatable first floating plate and a second floating plate, and realizes the rotation of the first floating plate through the rotation of the first main swing arm, and realizes the rotation of the second floating plate through the rotation of the second main swing arm. Rotate, so that when the first main swing arm and the second main swing arm are folded relative to each other, the first floating plate and the second floating plate rotate and are set at an angle to form an avoidance space, thereby providing a bending space for the display screen to avoid rotation. The mechanism squeezes the display screen when folded, causing damage to the display screen. At the same time, it can also avoid the R angle formed when the display screen is bent, so that the foldable part of the display screen will not bend at a large angle, avoiding undesirable phenomena such as creases on the display screen, and helping to extend the service life of the display screen. . In addition, when the rotating mechanism is in the folded state, the first floating plate and the second floating plate are arranged at an angle, thereby reducing the thickness of the rotating mechanism, which is beneficial to making the foldable electronic device lighter and thinner.

For convenience of description, this application sets a first reference plane and a second reference plane. Wherein, the first reference plane is perpendicular to the second direction, and the second reference plane is perpendicular to the first direction. In fact, the first reference plane and the second reference plane are also symmetry planes of the rotation mechanism, and the rotation mechanism is axially symmetrical about the first reference plane and the second reference plane. The first direction is the width direction of the rotating mechanism, and the second direction is the length direction of the rotating mechanism.

Wherein, the first main swing arm and the second main swing arm are mirror symmetrical about the second reference plane, the fixed base is symmetrical about both the first reference plane and the second reference plane, the first floating plate and the second floating plate Symmetrical about the second reference plane.

The rotating mechanism also includes a third main swing arm and a fourth main swing arm. The third main swing arm has the same structure as the first main swing arm, and the third main swing arm and the first main swing arm are symmetrical with respect to the first reference plane. The fourth main swing arm has the same structure as the second main swing arm, and the fourth main swing arm and the second main swing arm are symmetrical about the first reference plane. The third main swing arm and the fourth main swing arm rotate simultaneously with the first main swing arm and the second main swing arm to realize folding and unfolding of the rotating mechanism.

In one embodiment, the rotating mechanism has a flat state and a folded state. When the rotating mechanism is in the flat state, the first main swing arm resists the first floating plate, and the second main swing arm resists the first floating plate. The arm resists the second floating plate, and the first floating plate and the second floating plate are arranged side by side and parallel. When the rotating mechanism is in the folded state, the first main swing arm releases the first floating plate, the second main swing arm releases the second floating plate, the first floating plate and the second floating plate The floating board is set at an angle.

In this embodiment, the rotation of the first floating plate is realized by the rotation of the first main swing arm, and the rotation of the second floating plate is realized by the rotation of the second main swing arm, thereby realizing the relative movement between the first floating plate and the second floating plate. rotation, thereby achieving the stability of the rotation of the first floating plate and the second floating plate, and simplifying the structure of the rotating mechanism. The "resistance" mentioned here means that when the main swing arm rotates, the end resists the floating plate and exerts force on the floating plate, causing the floating plate to rotate relative to the fixed base. The "release" mentioned here means that the main swing arm's resistance to the floating plate disappears, and the floating plate rotates relative to the fixed base due to the action of gravity or other pulling forces.

In one embodiment, when the first floating plate and the second floating plate are arranged at an angle, the first floating plate and the second floating plate enclose and form an escape space. The avoidance space can provide a bending space for the display screen to prevent the display screen from being squeezed during bending and causing damage to the display screen.

In one embodiment, the rotating mechanism includes a first elastic member, and the first elastic member connects the first floating plate and the fixed base. When the rotating mechanism is in a flattened state, the first floating plate pulls the first elastic member and puts the first elastic member in a stretched state. When the rotating mechanism is in the folded state, the first elastic member is in a natural state or a compressed state.

It should be noted that the "natural state" mentioned here means that the first elastic member is not subjected to external force in its elastic elongation direction, or the resultant force of the external force is zero, and the first elastic member does not undergo any external force in its elastic elongation direction. deformation. “The first elastic member is in a compressed state” means that the first elastic member is compressed by external force and undergoes compression deformation.

In this embodiment, when the rotating mechanism is in a flat state, the first floating plate and the second floating plate are arranged side by side and parallel, the first elastic member is stretched, and the first floating plate and the second floating plate serve to support the display screen. function to ensure good display of the display screen. When the rotating mechanism transforms from the flat state to the folded state, the elasticity of the first elastic member recovers elastically and stretches the first floating plate, so that the first floating plate and the second floating plate are arranged at an angle and form an avoidance space, thereby providing The display screen provides bending space to prevent the display screen from being squeezed when bending and causing damage to the display screen.

In one embodiment, the first elastic member is installed in the receiving space, and one end of the first elastic member is connected to the fixed base, and the other end is fixedly connected to the first floating plate. The first main swing arm can rotate toward the fixed base to resist the first floating plate and stretch the first elastic member. The first main swing arm can also rotate away from the first floating plate. The fixed base rotates in a direction to release the first floating plate, and the first elastic member elastically recovers so that the first floating plate rotates toward the fixed base.

In this embodiment, by arranging the first elastic member and when the first main swing arm is unfolded relative to the fixed base, the first main swing arm resists the first floating plate and stretches the first elastic member, and when the first main swing arm is unfolded relative to the fixed base, When the arm is folded relative to the fixed base, the first main swing arm releases the first floating plate, and under the elastic restoring force of the first elastic member, pulls the first floating plate to rotate around the first side, thereby realizing the first floating plate relative to the fixed base. The fixed base rotates to increase the stability and reliability of the rotation of the first floating plate.

In one embodiment, the rotating mechanism includes a second elastic member, the second elastic member is installed in the fixed base, and one end of the second elastic member is connected to the fixed base, and the other end of the second elastic member is connected to the fixed base. Fixedly connected to the second floating plate. The second main swing arm can rotate toward the fixed base to resist the second floating plate and stretch the second elastic member. The second main swing arm can also rotate in a direction away from the fixed base to release the second floating plate, and the second elastic member elastically recovers to make the second floating plate move toward the fixed base. Rotate inside the seat.

In this embodiment, by providing the second elastic member and when the second main swing arm is deployed relative to the fixed base, the second main swing arm resists the second floating plate and stretches the second elastic member, and when the second main swing arm is deployed When the arm is folded relative to the fixed base, the second main swing arm releases the second floating plate, and under the elastic restoring force of the second elastic member, pulls the second floating plate to rotate around the third side, thereby realizing the relative movement of the second floating plate. The fixed base rotates to increase the stability and reliability of the rotation of the second floating plate.

In one embodiment, the first main swing arm includes a first rotating body and a first swinging body, the first rotating body is fixedly connected to the first swinging body, and the first rotating body is installed on the in the first rotation groove and can slide along the first rotation groove; the second main swing arm includes a second rotation body and a second swing body, and the second rotation body is fixedly connected to the second swing body , the second rotating body is installed in the second rotating groove and can slide along the second rotating groove. The first swing body and the second swing body can rotate in the direction of approaching each other to drive the first rotating body and the second rotating body to rotate in the direction of approaching each other relative to the fixed base, and the The first rotating body resists the first floating plate, the second rotating body resists the second floating plate, and the first floating plate and the second floating plate are arranged side by side and parallel, so that all The rotating mechanism is in a flat state.

The first swing body and the second swing body can rotate in a direction away from each other to drive the first rotating body and the second rotating body to rotate in a direction away from each other relative to the fixed base, and the The first rotating body releases the first floating plate, the second rotating body releases the second floating plate, and the first floating plate and the second floating plate are arranged at an angle, so that the rotating body The mechanism is folded.

In this embodiment, the shape of the first rotating groove matches the shape of the first rotating body, and the first rotating body slides within the first rotation, so that the first rotating body resists the first floating plate or releases the first floating plate. plate, thereby realizing the rotation of the first floating plate. The shape of the second rotating groove matches the shape of the second rotating body, and the second rotating body slides in the second rotating groove to realize that the second rotating body resists the second floating plate or releases the second floating plate, thereby achieving Rotation of the second floating plate. Moreover, in this embodiment, the rotation of the first swinging body drives the first rotating body to rotate, and the rotation of the second swinging body drives the second rotating body to rotate, so as to achieve folding or unfolding of the rotating mechanism. Therefore, the rotational stability of the first main swing arm and the second main swing arm can be improved, ensuring the rotational stability of the rotating mechanism.

In one embodiment, the rotating mechanism includes a first fixed plate and a second fixed plate. The first fixed plate is rotationally connected to the first swing body, and the second fixed plate is connected to the second swing body. Turn the connection. The first fixed plate can rotate relative to the fixed base to drive the first swing body to rotate relative to the fixed base, thereby driving the first main swing arm to rotate relative to the fixed base; The second fixed plate can rotate relative to the fixed base to drive the second swing body to rotate relative to the fixed base, thereby driving the second main swing arm to rotate relative to the fixed base.

The first fixing plate is used for fixed connection with the first housing of the foldable electronic device, and the second fixing plate is used for fixed connection with the second housing of the foldable electronic device. When the first housing rotates relative to the fixed base, it drives the first fixed plate to rotate, thereby driving the first main swing arm to rotate. When the second housing rotates relative to the fixed base, it drives the second fixed plate to rotate, thereby driving the second main swing arm to rotate, thereby realizing the folding or unfolding of the rotating mechanism, further ensuring the stability of the rotation of the rotating mechanism and the foldable electronic device. sex.

In one embodiment, the rotating mechanism further includes a first pressure plate and a second pressure plate, and the first pressure plate is slidingly connected to the first fixed plate. When the first fixed plate rotates relative to the fixed base, the first pressing plate can be driven to rotate relative to the fixed base. The second pressure plate is slidingly connected to the second fixed plate. When the second pressure plate rotates relative to the fixed base, it can drive the second pressure plate to rotate relative to the fixed base.

Among them, the first pressure plate and the second pressure plate are arranged opposite to the display screen. The first pressure plate and the second pressure plate and the first floating plate and the second floating plate jointly support the display screen, thereby increasing the stability of the connection of the display screen to ensure that the display screen is displayed. Good display of the screen. In this embodiment, the rotation of the first fixed plate drives the first pressure plate to rotate, and the rotation of the second fixed plate drives the second pressure plate to rotate, thereby realizing folding and unfolding of the display screen. Moreover, by sliding the first pressure plate to the first fixed plate, and the second pressure plate to the second fixed plate, the angle between the first pressure plate and the second pressure plate is adjustable, thereby adapting to the foldable part of the display screen. folding angle.

In one embodiment, the first fixed plate is provided with a first chute, the first pressure plate includes a first slide block, the first pressure plate and the first fixed plate are stacked, and the first slide The block is located in the first slide groove, and the first slide block is slidable along the first slide groove. The second fixed plate is provided with a third chute, the second pressure plate includes a second slider, the second pressure plate and the second fixed plate are stacked, and the second slider is located on the third In the slide groove, the second slide block can slide along the third slide groove.

In this embodiment, the first slider is provided on the first pressure plate, the first slider is provided on the first fixed plate to cooperate with the first slider, and the first slider slides in the first slider, so that the first slider is provided on the first fixed plate. A pressure plate is slidably connected to the first fixed plate, thereby improving the stability of the first pressure plate sliding relative to the first fixed plate. By arranging a second slide block on the second pressure plate, a third slide groove matching the second slide block is provided on the second fixed plate, and the second slide block slides in the third slide groove, thereby realizing the connection between the second pressure plate and the second slide block. The fixed plate is slidably connected, thereby improving the stability of the second pressing plate sliding relative to the second fixed plate.

In one embodiment, the rotation mechanism further includes a synchronous swing arm. The synchronous swing arm includes a first synchronous swing body, a second synchronous swing body and a synchronization gear. The first synchronization swing body and the second synchronization swing arm are The swing body is connected to the opposite sides of the synchronization gear respectively; the synchronization gear is installed in the fixed base, and the first synchronization swing body is slidingly connected to the first fixed plate, and the second synchronization gear is slidably connected to the first fixed plate. The swing body is slidingly connected to the second fixed plate. When the first fixed plate rotates relative to the fixed base, it can drive the first synchronous swing body to rotate relative to the fixed base, so as to drive the second synchronous swing body relative to the fixed base through the synchronization gear. The base rotates, thereby driving the second fixed plate to rotate relative to the fixed base.

In this embodiment, a synchronous swing arm is provided so that when the first fixed plate rotates, the second fixed plate can be driven to rotate through the synchronous swing arm, thereby achieving synchronous rotation of the first fixed plate and the second fixed plate, thereby improving the rotation mechanism. The convenience and reliability of rotation enhance the user experience.

In one embodiment, the rotation mechanism further includes a first pressure plate swing arm and a second pressure plate swing arm. One end of the first pressure plate swing arm is rotationally connected to the fixed base, and the other end is slidably connected to the first pressure plate. Connected, when the first pressure plate rotates relative to the fixed base, the swing arm of the first pressure plate can be driven to rotate relative to the fixed base. One end of the second pressure plate swing arm is rotationally connected to the fixed base, and the other end is slidingly connected to the second pressure plate. When the second pressure plate rotates relative to the fixed base, it can drive the second pressure plate swing arm. The arm rotates relative to the fixed base.

In this embodiment, the first pressure plate swing arm is provided and the first pressure plate drives the first pressure plate swing arm to rotate, so that the first pressure plate rotates relative to the fixed base, thereby improving the rotation stability of the first pressure plate. Moreover, by arranging the second pressure plate swing arm and driving the second pressure plate swing arm to rotate through the second pressure plate, the second pressure plate rotates relative to the fixed base, thereby improving the rotation stability of the second pressure plate.

In one embodiment, the rotation mechanism includes a damping member, and the damping member is in contact with the synchronization gear. When the synchronization gear rotates, a damping force is generated between the damping member and the synchronization gear.

In this embodiment, when the synchronization gear rotates, there is a damping force between the synchronization gear and the damping member, thereby improving the opening and closing feel of the rotating mechanism and improving the user experience.

In a second aspect, this application provides a foldable electronic device, including a first housing, a second housing, a display screen, and the above-mentioned rotating mechanism. The rotating mechanism is connected between the first housing and the second housing, and the display screen is installed on the first housing, the second housing and the rotating mechanism. When the rotating mechanism rotates, the first housing and the second housing rotate relative to each other, thereby causing the display screen to bend or unfold.

Wherein, when the foldable electronic device is in a flattened state, the first housing and the second housing are relatively unfolded, and the rotating mechanism is in a flattened state. When the foldable electronic device is in the folded state, the first housing and the second housing are relatively folded, and the rotating mechanism is in the folded state. The foldable electronic device provided in this embodiment adopts the above-mentioned rotating mechanism. When the above-mentioned rotating mechanism is in the folded state, the first floating plate and the second floating plate are arranged at an angle and form an avoidance space, thereby providing a bending space for the display screen. , so that the foldable electronic device will not squeeze the display screen in the folded state, thereby avoiding damage to the display screen and increasing the service life of the display screen.

In one embodiment, the display screen includes a first part, a second part and a foldable part, the foldable part is connected between the first part and the second part, the first part is installed on the The first housing, the second part is installed on the second housing, and the foldable part is arranged opposite to the rotating mechanism.

When the foldable electronic device is in a flat state, the first housing, the second housing and the rotating mechanism jointly support the display screen, thereby ensuring the normal display of the display screen, while achieving large-screen display and improving the user experience. When the foldable electronic device is in a folded state, the foldable part of the display screen is bent, and the first part and the second part are arranged oppositely. At this time, the display screen is between the first housing and the second housing, and the exposed area of the display screen is small, which can greatly reduce the probability of the display screen being damaged and achieve effective protection of the display screen. At the same time, the avoidance space formed when the first floating plate and the second floating plate of the rotating mechanism are set at an angle can avoid the bending deformation of the foldable part and avoid squeezing the display screen and causing damage to the display screen.

In one embodiment, when the foldable electronic device is in a folded state, the first floating plate and the second floating plate are arranged at an angle to form an avoidance space, and at least part of the foldable portion is located in the avoidance space. In the space, the foldable part will not bend at a large angle, avoiding undesirable phenomena such as creases on the display screen, and helping to extend the service life of the display screen.

Based on the above, the rotation mechanism provided by this application is provided with a rotatable first floating plate and a second floating plate, and realizes the rotation of the first floating plate through the rotation of the first main swing arm, and the rotation of the second main swing arm realizes the rotation of the first floating plate. The two floating plates rotate, so that when the first main swing arm and the second main swing arm are folded relative to each other, the first floating plate and the second floating plate rotate and are arranged at an angle to form an avoidance space, thereby providing a bending space for the display screen. This is to avoid squeezing the display screen when the rotating mechanism is folded, causing damage to the display screen. At the same time, it can also avoid the R angle formed when the display screen is bent, so that the foldable part of the display screen will not bend at a large angle, avoiding undesirable phenomena such as creases on the display screen, and helping to extend the service life of the display screen. . In addition, when the rotating mechanism is in the folded state, the first floating plate and the second floating plate are arranged at an angle, thereby reducing the thickness of the rotating mechanism, which is beneficial to making the foldable electronic device lighter and thinner.

Description of the drawings

In order to more clearly explain the technical solutions in the embodiments of the present application or the background technology, the drawings required to be used in the embodiments or the background technology of the present application will be described below.

Figure 1 is a schematic structural diagram of a foldable electronic device in a first state according to an embodiment of the present application;

Figure 2 is a schematic structural diagram of the foldable electronic device provided by the embodiment of the present application in the second state;

Figure 3 is a schematic structural diagram of the foldable electronic device provided by the embodiment of the present application in the third state;

Figure 4 is an exploded structural diagram of the foldable electronic device shown in Figure 3;

Figure 5 is a schematic structural diagram of the rotation mechanism in the foldable electronic device shown in Figure 4;

Figure 6 is a partially exploded structural schematic view of the rotating mechanism shown in Figure 5;

Figure 7 is a partially exploded structural schematic view of the fixed base in the rotating mechanism shown in Figure 5;

Figure 8 is a cross-sectional view of the fixed base in the rotating mechanism shown in Figure 5;

Figure 9 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5;

Figure 10 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5 in a folded state;

Figure 11 is an enlarged structural schematic diagram of the first fixed plate and the second fixed plate in the rotating mechanism shown in Figure 6;

Figure 12 is an enlarged structural schematic diagram of the first pressure plate and the second pressure plate in the rotating mechanism shown in Figure 6;

Figure 13 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5;

Figure 14 is an enlarged structural schematic diagram of the first main swing arm and the second main swing arm in the rotating mechanism shown in Figure 6;

Figure 15 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5;

Figure 16 is a cross-sectional view of the rotating mechanism shown in Figure 5 in a flattened state;

Figure 17 is a cross-sectional view of the rotating mechanism shown in Figure 5 in a folded state;

Figure 18 is an enlarged structural schematic diagram of the synchronous swing arm in the rotating mechanism shown in Figure 6;

Figure 19 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5;

Figure 20 is an enlarged structural schematic diagram of the first pressure plate swing arm and the second pressure plate swing arm in the rotation mechanism shown in Figure 5;

Figure 21 is a cross-sectional view of the rotating mechanism shown in Figure 5 in a flattened state;

Figure 22 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5 in a folded state;

FIG. 23 is a partial structural diagram of the foldable electronic device shown in FIG. 1 in a folded state.

Detailed ways

The embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

During the folding process of existing foldable electronic devices, the bends of the flexible display are easily squeezed by the support, causing creases in the flexible display and even damage to the flexible display, affecting the use of the flexible display. life. The rotation mechanism and foldable electronic device provided by the embodiments of the present application can avoid the bending of the flexible display screen from being squeezed, and help extend the service life of the display screen.

Please refer to Figures 1 to 3. Figure 1 is a schematic structural diagram of a foldable electronic device 500 provided by an embodiment of the present application in a first state. Figure 2 is a schematic structural diagram of a foldable electronic device 500 provided by an embodiment of the present application in a second state. A schematic structural diagram of the foldable electronic device 500 in the third state according to an embodiment of the present application.

For convenience of description, the width direction of the foldable electronic device 500 is defined as the X direction, the length direction of the foldable electronic device 500 is defined as the Y direction, and the thickness direction of the foldable electronic device 500 is defined as the Z direction. The X direction, Y direction and Z direction are perpendicular to each other.

The foldable electronic device 500 includes, but is not limited to, a cellphone, a notebook computer, a tablet personal computer, a laptop computer, a personal digital assistant, and a wearable device. (wearable device) or vehicle-mounted device (mobile device), etc. In the embodiment of the present application, the foldable electronic device 500 is a mobile phone as an example for description.

The foldable electronic device 500 shown in FIG. 1 is in a folded state, the foldable electronic device 500 shown in FIG. 2 is in a semi-expanded state, and the foldable electronic device 500 shown in FIG. 3 is in a flattened state. The unfolding angle α of the foldable electronic device 500 shown in FIG. 2 is 90 degrees, and the unfolding angle β of the foldable electronic device 500 shown in FIG. 3 is 180 degrees.

It should be noted that slight deviations are allowed in the angles illustrated in the embodiments of this application. For example, if the unfolding angle α of the foldable electronic device 500 shown in FIG. 2 is 90 degrees, it means that α can be 90 degrees, or approximately 90 degrees, such as 80 degrees, 85 degrees, 95 degrees or 100 degrees. The unfolding angle β of the foldable electronic device 500 shown in FIG. 3 is 180 degrees, which means that β can be 180 degrees or approximately 180 degrees, such as 170 degrees, 175 degrees, 185 degrees, 190 degrees, etc. The angles illustrated in the examples below can be understood in the same way.

The foldable electronic device 500 shown in the embodiment of the present application is an electronic device that can be folded once. In some other embodiments, the foldable electronic device 500 may also be an electronic device that can be folded multiple times (more than twice). At this time, the foldable electronic device 500 may include multiple parts. Two adjacent parts may be folded relatively close to each other until the foldable electronic device 500 is in a folded state. Two adjacent parts may be relatively far away from each other until the foldable electronic device 500 is in an unfolded state. flat state.

Please refer to FIG. 4 , which is an exploded structural diagram of the foldable electronic device 500 shown in FIG. 3 .

The foldable electronic device 500 includes a folding device 200 and a display screen 300. The display screen 300 is installed on the folding device 200. The display screen 300 includes a display surface 340 and a mounting surface 350, and the display surface 340 and the mounting surface 350 are arranged oppositely. The display surface 340 is used to display text, images, videos, etc. The display screen 300 includes a first part 310, a second part 320, and a foldable part 330. The foldable part 330 is located between the first part 310 and the second part 320, and the foldable part 330 can be bent along the Y direction. In this embodiment, the display screen 300 adopts a flexible display screen, such as an organic light-emitting diode (OLED) display screen, an active matrix organic light emitting diode or an active matrix organic light emitting diode (active-matrix). organic light-emitting diode (AMOLED) display, miniorganic light-emitting diode (miniorganic light-emitting diode) display, micro organic light-emitting diode (micro organic light-emitting diode) display, micro organic light-emitting diode (micro organic light-emitting diode) display , Quantum dot light emitting diodes (QLED) display.

The folding device 200 includes a first housing 210, a second housing 220 and a rotating mechanism 100. The first housing 210 is provided with a first mounting slot 230, and the second housing 220 is provided with a second mounting slot 240. The first mounting slot is 230 communicates with the second installation groove 240 to form an installation groove. The rotation mechanism 100 is installed in the installation groove and is fixedly connected with the first housing 210 and the second housing 220 to realize the rotation connection between the first housing 210 and the second housing 220 . The first housing 210 and the second housing 220 can rotate relative to each other through the rotation mechanism 100, so that the folding device 200 switches between the folded state and the flattened state.

The relative rotation of the first housing 210 and the second housing 220 to make the folding device 200 in the folded state means that the first housing 210 and the second housing 220 rotate through the rotation mechanism 100 and are close to each other. The first The surface of the housing 210 and the second housing 220 carrying the display screen 300 are opposite to each other. In fact, during application, when the folding device 200 is in a fully folded state, after the display screen 300 mounted on the first housing 210 and the second housing 220 is folded, the first part 310 and the second part 320 are stacked and partially in contact. Of course, , also available in full contact. The first housing 210 and the second housing 220 rotate relative to each other so that the folding device 200 is in a semi-expanded state. This means that the first housing 210 and the second housing 220 rotate through the rotation mechanism 100 and move away from each other. The first housing The angle between 210 and the second housing 220 is getting larger and larger, and can be close to 90 degrees or equal to 90 degrees. The first housing 210 and the second housing 220 rotate relative to each other so that the folding device 200 is in a flat state. This means that the first housing 210 and the second housing 220 rotate through the rotation mechanism 100 and move away from each other. The first housing The angle between 210 and the second housing 220 continues to increase, and may be close to 180 degrees or equal to 180 degrees.

The first housing 210 , the second housing 220 and the rotating mechanism 100 are arranged sequentially along the X direction, and the sum of the dimensions between the three is the dimension of the folding device 200 in the X direction (including the assembly tolerance and the assembly gap). The size of the folding device 200 in the X direction is the same as the size of the display screen 300 and the electronic device along the X direction. Of course, the permitted tolerance ranges are included. The dimensions of the first housing 210 , the second housing 220 and the rotating mechanism 100 along the Y direction are the same, and the dimensions may allow for assembly or production tolerances. The dimensions of the first housing 210 , the second housing 220 and the rotating mechanism 100 along the Y direction are the dimensions of the folding device 200 in the Y direction. The dimensions of the folding device 200 in the Y direction are the same as those of the display screen 300 and the foldable electronic device 500 . The dimensions in the Y direction are the same. Of course, small deviations (assembly and production tolerances) are also allowed. The display screen 300 is installed on the folding device 200 , and the mounting surface 350 is fixedly connected to the folding device 200 . Specifically, the first housing 210 carries the first part 310, and the second housing 220 carries the second part 320. In other words, the first part 310 is installed on the first housing 210 and the second part 320 is installed on the second housing 220 . Wherein, the rotating mechanism 100 is arranged opposite to the foldable part 330 .

Referring to FIG. 1 , the first housing 210 and the second housing 220 are relatively rotated through the rotation mechanism 100 , and the first housing 210 and the second housing 220 are relatively close to each other to drive the display screen 300 to fold, so that the foldable electronic device 500 is folded. . When the foldable electronic device 500 is in the folded state, the foldable part 330 of the display screen 300 is bent, and the first part 310 and the second part 320 are arranged oppositely. At this time, the display screen 300 is between the first housing 210 and the second housing 220 , which can greatly reduce the probability of the display screen 300 being damaged and achieve effective protection of the display screen 300 .

Please refer to FIGS. 2 and 4 together. The first housing 210 and the second housing 220 rotate relative to each other through the rotation mechanism 100 , and the display screen 300 is unfolded by the first housing 210 and the second housing 220 moving away from each other relative to each other, so that the display screen 300 is unfolded. The foldable electronic device 500 is unfolded to a semi-expanded state. When the foldable electronic device 500 is in a semi-expanded state, the first housing 210 and the second housing 220 are expanded to an included angle α, the first part 310 and the second part 320 are relatively expanded, and drive the foldable part 330 to expand. At this time, the angle between the first part 310 and the second part 320 is α. In this embodiment, α is 90 degrees. In other embodiments, α may also be approximately 90 degrees, or may be 80 degrees, 85 degrees, 95 degrees or 100 degrees, etc.

Please refer to FIGS. 3 and 4 together. The first housing 210 and the second housing 220 rotate relative to each other through the rotation mechanism 100 . The first housing 210 and the second housing 220 move away from each other to drive the display screen 300 to further expand until The foldable electronic device 500 is in a flat state. When the folding device 200 is in a flat state, the angle between the first housing 210 and the second housing 220 is β. The foldable portion 330 is unfolded, and the first portion 310 and the second portion 320 are relatively unfolded. At this time, the included angles between the first part 310, the second part 320 and the foldable part 330 are all β, and the display screen 300 has a large display area, realizing a large-screen display of the foldable electronic device 500 and improving user experience. experience. In this embodiment, β is 180 degrees. In other embodiments, β may also be approximately 180 degrees, and may be 170 degrees, 175 degrees, 185 degrees, 190 degrees, etc.

It should be noted that the included angle α and the included angle β are both the included angles between the first housing 210 and the second housing 220 , which are only used to distinguish between the first housing 210 and the second housing 220 in different states of the foldable electronic device 500 . The angles between the second housings 220 are different. The included angle α refers to the angle between the first housing 210 and the second housing 220 when the foldable electronic device 500 is in a semi-flattened state; the included angle β refers to the angle between the foldable electronic device 500 and the second housing 220 when the foldable electronic device 500 is in a flattened state. The angle between the first housing 210 and the second housing 220 is lower.

Please refer to FIG. 5 , which is a schematic structural diagram of the rotation mechanism 100 in the foldable electronic device 500 shown in FIG. 4 .

For convenience of description, this application sets a first reference plane O and a second reference plane P. Among them, the first reference plane O is perpendicular to the Y direction, and the second reference plane P is perpendicular to the X direction. In fact, the first reference plane O and the second reference plane P are also symmetry planes of the rotation mechanism 100 , and the rotation mechanism 100 is symmetrical about the first reference plane O and the second reference plane P. In other embodiments, the rotation mechanism 100 may also be a partially symmetrical structure, a centrally symmetrical structure, or a partially centrally symmetrical structure.

Please also refer to FIG. 6 , which is a partially exploded structural diagram of the rotating mechanism 100 shown in FIG. 5 .

The rotating mechanism 100 includes a fixed base 10, a pressure plate 20, a fixed plate 30, a rotating assembly and a floating plate 40. The rotating assembly includes a main swing arm 50 , a synchronized swing arm 60 and a pressure plate swing arm 70 . The floating plate 40 is installed on the fixed base 10 , and the floating plate 40 can rotate relative to the fixed base 10 . The pressure plate 20 is installed on the fixed plate 30 , and the pressure plate 20 can slide relative to the fixed plate 30 . The rotating component is installed on the fixed base 10 and can rotate relative to the fixed base 10 . The main swing arm 50 , the synchronous swing arm 60 and the pressure plate swing arm 70 are arranged in sequence along the length direction of the fixed base 10 . Among them, the main swing arm 50 is rotationally connected to the fixed plate 30 , the synchronous swing arm 60 is slidingly connected to the fixed plate 30 , and the pressure plate swing arm 70 is slidingly connected to the pressure plate 20 . The foldable portion 330 of the display screen 300 is disposed opposite to the floating plate 40 and the pressure plate 20 .

When the fixed plate 30 rotates relative to the fixed base 10 , the main swing arm 50 is driven to rotate relative to the fixed base 10 , and the main swing arm 50 abuts or releases the floating plate 40 so that the floating plate 40 rotates relative to the fixed base 10 . Moreover, when the fixed plate 30 rotates relative to the fixed base 10, it also drives the synchronous swing arm 60 to rotate relative to the fixed base 10, and drives the pressure plate 20 to rotate relative to the fixed base 10, thereby driving the pressure plate swing arm 70 to rotate relative to the fixed base 10. At the same time, the fixed plate 30 can also drive the pressing plate 20 to rotate relative to the fixed base 10, thereby realizing the rotation of the rotating mechanism 100, and thereby realizing the bending of the display screen 300.

Please refer to FIGS. 7 and 8 . FIG. 7 is a partially exploded structural view of the fixed base 10 in the rotating mechanism 100 shown in FIG. 5 . FIG. 8 is a cross-sectional view of the fixed base 10 in the rotating mechanism 100 shown in FIG. 5 .

The fixed base 10 includes an upper housing 11 and a lower housing 12 . The upper housing 11 and the lower housing 12 are stacked and fixedly connected. The lower housing 12 includes a bottom plate 121, a first side plate 122, a second side plate 123, a first end plate 124 and a second end plate (not shown). The first side plate 122 and the second side plate 123 are arranged opposite to each other, and the first side plate 122 and the second side plate 123 are respectively connected to opposite sides of the bottom plate 121 in the X direction. The first end plate 124 and the second end plate are opposite, and both the first end plate 124 and the second end plate are connected between the first side plate 122 and the second side plate 123, and are branch-connected to the bottom plate 121 in the Y direction. Opposite sides. The bottom plate 121 , the first side plate 122 , the second side plate 123 , the first end plate 124 and the second end plate together form a receiving space 125 with an opening, and the opening of the receiving space 125 is opposite to the bottom plate 121 . The bottom plate 121 is provided with a first rotation groove 101 and a second rotation groove 102 (not shown) along the X direction. The bottom walls of the first rotation groove 101 and the second rotation groove 102 are arc-shaped, and the first rotation groove 101 and The second rotation grooves 102 are arranged opposite to each other and are symmetrical with respect to the second reference plane P. The first rotation groove 101 and the second rotation groove 102 are used to install the main swing arm 50 , and the main swing arm 50 can rotate in the first rotation groove 101 and the second rotation groove 102 .

The upper housing 11 is a rectangular frame. The upper housing 11 includes an upper surface 111 , a lower surface 112 , a first side 113 and a second side 114 . The upper surface 111 and the lower surface 112 are arranged oppositely, and both the upper surface 111 and the lower surface 112 are perpendicular to the Z direction. The first side 113 and the second side 114 are arranged oppositely, and both the first side 113 and the second side 114 are perpendicular to the X direction. The first side 113 and the second side 114 are both connected between the upper surface 111 and the lower surface 112 . The upper housing 11 is provided with a through groove 115 that penetrates the upper surface 111 and the lower surface 112 . The upper housing 11 also includes a first side wall 116 and a second side wall 117. The first side wall 116 and the second side wall 117 are both parallel to the first side 113 and the second side 114, and the first side wall 116 is parallel to the first side wall 116 and the second side wall 117. One side 113 is arranged opposite to each other, and the second side wall 117 and the second side 114 are arranged opposite. The first side wall 116 and the second side wall 117 are respectively two opposite side walls of the through slot 115 along the Y direction. The first side 113 is provided with a first opening 118 , and the second side 114 is provided with a second opening 119 .

The upper housing 11 is stacked on the opening side of the lower housing 12 and is fixedly connected to the lower housing 12 , and the through groove 115 communicates with the receiving space 125 . The upper shell 11 is used for rotationally connecting with the floating plate 40 , and the through groove 115 is used for providing an escape space for the rotation of the floating plate 40 . The first opening 118 communicates with the first rotation groove 101 , and the second opening 119 communicates with the second rotation groove 102 .

Please refer to FIGS. 6 to 9 together. FIG. 9 is a partial structural diagram of the rotating mechanism 100 shown in FIG. 5 .

The floating plate 40 includes a first floating plate 41 and a second floating plate 42 . Both the first floating plate 41 and the second floating plate 42 have a rectangular plate-like structure, and the first floating plate 41 and the second floating plate 42 have the same size and shape. The first floating plate 41 includes a first side 411 and a second side 412 . The extending directions of the first side 411 and the second side 412 are both parallel to the Y direction, and the first side 411 and the second side 412 are arranged oppositely. The second floating plate 42 includes a third side 421 and a fourth side 422 . The extending directions of the third side 421 and the fourth side 422 are both parallel to the Y direction, and the third side 421 and the fourth side 422 are arranged oppositely.

The first floating plate 41 and the second floating plate 42 are both installed in the through groove 115 . The first side 411 and the first side wall 116 are rotationally connected through a first rotating shaft 413, and the extending direction of the first rotating shaft 413 is parallel to the Y direction. The third side 421 and the second side wall 117 are rotationally connected through a second rotating shaft 423, and the extending direction of the second rotating shaft 423 is parallel to the Y direction. The second side 412 and the fourth side 422 are arranged oppositely. The first floating plate 41 can rotate around the first rotating axis 413 , and the second floating plate 42 can rotate around the second rotating axis 423 .

As shown in FIG. 9 , when the foldable electronic device 500 is in a flat state, the first floating plate 41 and the second floating plate 42 are parallel and arranged side by side. The first floating plate 41 and the second floating plate 42 jointly support the foldable portion 330 of the display screen 300 . In this embodiment, there is a small gap between the second side 412 and the fourth side 422, thereby preventing the first floating plate 41 and the second floating plate 42 from causing friction with each other during rotation, thereby causing damage to the first floating plate. 41 and the second floating plate 42 are damaged.

Please also refer to FIG. 10 , which is a partial structural diagram of the rotating mechanism 100 shown in FIG. 5 in a folded state.

When the foldable electronic device 500 is in the folded state, the first floating plate 41 rotates around the first rotating axis 413 toward the through slot 115 , the second floating plate 42 rotates around the second rotating axis 423 toward the through slot 115 , the first floating plate 41 and The second floating plate 42 is arranged at an included angle and forms an escape space 3 , which can provide a bending space for the display screen 300 .

The fixed base 10 is provided with a first elastic member 13 and a second elastic member 14 . In this embodiment, both the first elastic member 13 and the second elastic member 14 are springs. In other embodiments, the first elastic member 13 and the second elastic member 14 may also be made of other elastic materials. One end of the first elastic member 13 is fixedly connected to the bottom plate 121 , and the other end is fixedly connected to the first floating plate 41 , and the elastic elongation direction of the first elastic member 13 is parallel to the Z direction. When the first floating plate 41 is arranged parallel to the X direction, the main swing arm 50 resists the first floating plate 41, and the first floating plate 41 pulls the first elastic member 13 so that the first elastic member 13 is in an extended state. When the main swing arm 50 releases the first floating plate 41, the first elastic member 13 elastically recovers and drives the first floating plate 41 to rotate, so that when the first floating plate 41 is set at an angle with the X direction, the first elastic member 13 Piece 13 is in its natural state. Or, when the first floating plate 41 is arranged at an angle with the X direction, the first floating plate 41 compresses the first elastic member 13 due to gravity, so that the first elastic member 13 is in a compressed state. It should be noted that "the first elastic member 13 is in a natural state" mentioned here means that the first elastic member 13 is not subjected to external force in its elastic extension direction, or the resultant force of the external force is zero, and the first elastic member 13 is in the natural state. There is no deformation in its elastic elongation direction. “The first elastic member 13 is in a compressed state” means that the first elastic member 13 is compressed by external force and undergoes compression deformation.

One end of the second elastic member 14 is fixedly connected to the bottom plate 121, and the other end is fixedly connected to the second floating plate 42, and the elastic elongation direction of the second elastic member 14 is parallel to the Z direction. When the second floating plate 42 is arranged parallel to the X direction, the main swing arm 50 resists the second floating plate 42, and the second floating plate 42 pulls the second elastic member 14 and puts the second elastic member 14 in an extended state. When the main swing arm 50 releases the second floating plate 42, the second elastic member 14 elastically recovers and drives the second floating plate 42 to rotate, so that when the second floating plate 42 is set at an angle with the X direction, the second elastic member 14 Piece 14 is in its natural state. Alternatively, when the second floating plate 42 is arranged at an angle with the X direction, the second floating plate 42 compresses the second elastic member 14 due to gravity, so that the second elastic member 14 is in a compressed state. It should be noted that "the second elastic member 14 is in a natural state" mentioned here means that the second elastic member 14 is not subjected to external force in its elastic extension direction, or the resultant force of the external force is zero, and the second elastic member 14 is in the natural state. There is no deformation in its elastic elongation direction. “The second elastic member 14 is in a compressed state” means that the second elastic member 14 is compressed by external force and undergoes compression deformation.

Please refer to FIG. 11 , which is an enlarged structural diagram of the first fixed plate 31 and the second fixed plate 32 in the rotating mechanism 100 shown in FIG. 6 .

The fixing plate 30 includes a first fixing plate 31 and a second fixing plate 32 . The first fixed plate 31 and the second fixed plate 32 have the same structure. The first fixed plate 31 and the second fixed plate 32 are respectively located on opposite sides of the fixed base 10 in the X direction, and the first fixed plate 31 and the second fixed plate 32 The plate 32 is symmetrical about the second reference plane P.

The first fixing plate 31 is a strip-shaped plate structure with a thickness. The first fixing plate 31 includes a first upper surface 313 , a first lower surface 314 , a first side surface 315 and a second side surface 316 . The first upper surface 313 and the first lower surface 314 are arranged oppositely, the first side surface 315 and the second side surface 316 are arranged oppositely, and the first side surface 315 and the second side surface 316 are both connected to the first upper surface 313 and the second side surface 316 . Between 314 below the surface. The first fixed plate 31 is provided with a first slide groove 311 and a second slide groove 312. The first slide groove 311 is recessed at one end of the first fixing plate 31 . The first chute 311 is arc-shaped, and the openings at opposite ends of the first chute 311 penetrate the first side surface 315 and the first upper surface 313 respectively. The first slide groove 311 is used for sliding connection with the pressure plate 20 . The second slide groove 312 is spaced apart from the first slide groove 311, and the second slide groove 312 penetrates the first fixing plate 31 in the X direction. That is to say, the second sliding groove 312 penetrates the first side surface 315 and the second side surface 316 . The first fixed plate 31 is fixedly connected to the first housing 210 , and the first fixed plate 31 is rotationally connected to the fixed base 10 through a rotating assembly. The rotation of the first housing 210 relative to the fixed base 10 can drive the first fixed plate 31 to rotate relative to the fixed base 10 .

The second fixing plate 32 is a strip-shaped plate structure with a thickness. The second fixing plate 32 includes a second upper surface 323 , a second lower surface 324 , a third side surface 325 and a fourth side surface 326 . The second upper surface 323 and the second lower surface 324 are arranged oppositely, the third side surface 325 and the fourth side surface 326 are arranged oppositely, and the third side surface 325 and the fourth side surface 326 are both connected to the second upper surface 323 and the third side surface 323 . between two lower surfaces 324. The second fixed plate 32 is provided with a third slide groove 321 and a fourth slide groove 322. The third slide groove 321 is recessed at one end of the second fixing plate 32 . The third chute 321 is arc-shaped, and the openings at opposite ends of the third chute 321 penetrate the third side surface 325 and the second upper surface 323 respectively. The third slide groove 321 is used for slidingly connecting with the pressure plate 20 . The fourth slide groove 322 is spaced apart from the third slide groove 321, and the fourth slide groove 322 penetrates the second fixing plate 32 in the X direction. That is to say, the fourth sliding groove 322 penetrates the third side surface 325 and the fourth side surface 326 . The second fixed plate 32 is fixedly connected to the second housing 220 , and the second fixed plate 32 is rotationally connected to the fixed base 10 through a rotating assembly. The rotation of the second housing 220 relative to the fixed base 10 can drive the second fixed plate 32 to rotate relative to the fixed base 10 .

Please also refer to FIG. 5 , the fixing plate 30 also includes a third fixing plate 33 and a fourth fixing plate 34 . The structures of the third fixing plate 33 and the fourth fixing plate 34 are the same as those of the first fixing plate 31 and the second fixing plate 32 . The third fixing plate 33 and the first fixing plate 31 are symmetrical with respect to the first reference plane O, and the fourth fixing plate 34 and the second fixing plate 32 are symmetrical with respect to the first reference plane O.

In this embodiment, the first fixing plate 31 and the third fixing plate 33 are fixedly connected to the first housing 210 of the foldable electronic device 500. When the first housing 210 rotates relative to the fixed base 10, the first fixing plate 31 is driven. The third fixed plate 33 rotates, thereby driving the main swing arm 50 to rotate, thereby increasing the stability of the connection between the first housing 210 and the rotating mechanism 100 and ensuring the rotational stability of the rotating mechanism 100 and the foldable electronic device 500 . The second fixing plate 32 and the fourth fixing plate 34 are fixedly connected to the second housing 220 . When the second housing 220 rotates relative to the fixed base 10, it drives the second fixed plate 32 and the fourth fixed plate 34 to rotate, thereby driving the main swing arm 50 to rotate, thereby realizing the folding or unfolding of the rotating mechanism 100, further ensuring that the rotating mechanism 100 and 500 rotational stability of foldable electronic devices.

Please refer to Figures 12 and 13. Figure 12 is an enlarged structural schematic diagram of the first pressure plate 21 and the second pressure plate 22 in the rotating mechanism 100 shown in Figure 6. Figure 13 is a partial structural schematic diagram of the rotating mechanism shown in Figure 5.

The pressure plate 20 includes a first pressure plate 21 and a second pressure plate 22 . The first pressure plate 21 and the second pressure plate 22 have the same structure. The first pressure plate 21 and the second pressure plate 22 are respectively located on opposite sides of the fixed base 10 in the X direction, and the first pressure plate 21 and the second pressure plate 22 are symmetrical with respect to the first reference plane O. In this embodiment, the size of the first pressure plate 21 and the second pressure plate 22 in the Y direction is the same as the size of the display screen 300 in the Y direction. Of course, a small amount of deviation can also be allowed.

The first pressure plate 21 includes a first body 211 and a first slider 212 . The first body 211 is rectangular. The first body 211 includes a first surface 2111 and a second surface 2112. The first surface 2111 and the second surface 2112 are arranged oppositely, and both the first surface 2111 and the second surface 2112 are perpendicular to the Z direction. The first body 211 is provided with a first pressure plate slide groove 213 , and the first pressure plate slide groove 213 penetrates the first body 211 in the width direction of the first body 211 . The first pressure plate slide groove 213 is used for sliding connection with the rotating assembly. The first slider 212 is arc-shaped. One end of the first slider 212 is fixedly connected to the first surface 2111, and the other end extends in an arc from the first surface 2111 in a direction away from the first body 211, and the first slider 212 is bent toward the first surface 2111. The shape of the first sliding block 212 is adapted to the first sliding groove 311 . The adaptation mentioned here means that the first slider 212 can be installed in the first slide groove 311 and slide in the first slide groove 311 .

The first pressure plate 21 and the first fixing plate 31 are stacked, the first slider 212 is located in the first slide groove 311, and the first slider 212 can slide in the first slide groove 311. At the same time, the first pressure plate 21 is rotationally connected to the fixed base 10 through the rotating assembly. The rotation of the first fixed plate 31 relative to the fixed base 10 can drive the first pressure plate 21 to rotate relative to the fixed base 10 and at the same time drive the first pressure plate 21 to slide relative to the first fixed plate 31 .

The second pressure plate 22 includes a second body 221 and a second slider 222 . The second body 221 is rectangular. The second body 221 includes a third surface 2211 and a fourth surface 2212. The third surface 2211 and the fourth surface 2212 are arranged oppositely, and both the third surface 2211 and the fourth surface 2212 are perpendicular to the Z direction. The second body 221 is provided with a second pressure plate slide groove 223 , and the second pressure plate slide groove 223 penetrates the second body 221 in the width direction of the second body 221 . The second pressure plate slide groove 223 is used for sliding connection with the rotating assembly. The second slider 222 is arc-shaped. One end of the second slider 222 is fixedly connected to the third surface 2211, and the other end extends in an arc from the third surface 2211 in a direction away from the second body 221, and the second slider 222 is bent toward the third surface 2211. The shape of the second sliding block 222 is adapted to the second sliding groove 312 . The second slide block 222 can be installed in the second slide groove 312 and slide in the second slide groove 312 .

The second pressing plate 22 and the second fixing plate 32 are stacked, the second sliding block 222 is located in the third sliding groove 321, and the second sliding block 222 can slide in the third sliding groove 321. At the same time, the second pressure plate 22 is rotationally connected to the fixed base 10 through the rotating assembly. The rotation of the second fixed plate 32 relative to the fixed base 10 can drive the second pressing plate 22 to rotate relative to the fixed base 10 and simultaneously drive the second pressing plate 22 to slide relative to the second fixed plate 32 .

Please also refer to FIG. 5 . The first pressure plate 21 also includes a third slide block (not shown). The third slide block is located at an end of the first body 211 facing away from the first slide block 212 . The third slide block has the same structure as the first slide block 212 , and the third slide block and the first slide block 212 are symmetrical with respect to the first reference plane O. The first body 211 is also provided with a third pressure plate chute (not shown). The third pressure plate chute penetrates the first body 211 in the width direction of the first body 211, and the third pressure plate chute is connected with the first pressure plate chute. 213 is symmetrical with respect to the first reference plane O, and the third pressure plate slide groove is used for rotational connection with the rotating component. The third fixed plate 33 is stacked on the first pressure plate 21, and the third fixed plate 33 is slidably connected to the first pressure plate 21 through a third slide block.

The second pressure plate 22 also includes a fourth slide block (not shown). The fourth slide block is located at an end of the second body 221 facing away from the second slide block 222 . The fourth slide block and the second slide block 222 have the same structure, and the fourth slide block and the second slide block 222 are symmetrical with respect to the first reference plane O. The second body 221 is also provided with a fourth pressure plate chute (not shown). The fourth pressure plate chute penetrates the second body 221 in the width direction of the second body 221, and the fourth pressure plate chute is connected with the first pressure plate chute. 213 is symmetrical with respect to the first reference plane O, and the fourth pressure plate slide groove is used for rotational connection with the rotating component. The third fixed plate 33 and the second pressing plate 22 are stacked, and the third fixed plate 33 is slidably connected to the second pressing plate 22 through a fourth slide block.

The first pressure plate 21 and the second pressure plate 22 are both arranged opposite to the display screen 300 . The first pressure plate 21 and the second pressure plate 22 and the first floating plate 41 and the second floating plate 42 jointly support the display screen 300 , so that the display screen 300 can be increased. The stability of the connection ensures good display of the display screen 300. In this embodiment, the rotation of the first fixed plate 31 and the third fixed plate 33 drives the first pressure plate 21 to rotate, and the rotation of the second fixed plate 32 and the fourth fixed plate 34 drives the second pressure plate 22 to rotate, so that the display screen 300 is realized. Fold and unfold. Furthermore, by providing an arc-shaped slider on the first pressure plate 21 and a slide groove on the first fixed plate 31 , the sliding connection between the first pressure plate 21 and the first fixed plate 31 can be achieved, and the first pressure plate 21 can be moved relative to the first pressure plate 21 . The fixed plate 31 slides in an arc shape. By providing an arc-shaped slider on the second pressure plate 22 and a guide groove on the second fixed plate 32 , a sliding connection between the second pressure plate 22 and the second fixed plate 32 can be achieved, and the second pressure plate 22 can be relative to the second fixed plate 32 Slide in an arc. When the first fixing plate 31 and the second fixing plate 32 rotate, the first pressing plate 21 and the second pressing plate 22 rotate relative to each other, and the first pressing plate 21 slides in an arc relative to the first fixing plate 31, and the second pressing plate 22 slides relative to the second fixing plate 31. The fixed plate 32 slides in an arc shape, thereby making the angle between the first pressure plate 21 and the second pressure plate 22 adjustable, thereby adapting to the folding angle of the foldable portion 330 of the display screen 300 .

Please refer to Figures 14 and 15. Figure 14 is an enlarged structural schematic diagram of the first main swing arm 51 and the second main swing arm 52 in the rotating mechanism 100 shown in Figure 6. Figure 15 is a partial structure of the rotating mechanism shown in Figure 5. Schematic diagram.

The main swing arm 50 includes a first main swing arm 51 and a second main swing arm 52 . The first main swing arm 51 and the second main swing arm 52 have the same structure, and the first main swing arm 51 and the second main swing arm 52 are respectively located on opposite sides of the fixed base 10 in the X direction. In this embodiment, the first main swing arm 51 and the second main swing arm 52 are arranged side by side along the X direction, and the first main swing arm 51 and the second main swing arm 52 are symmetrical with respect to the second reference plane P. In other embodiments, the first main swing arm 51 and the second main swing arm 52 may also be disposed offset in the Y direction.

The first main swing arm 51 includes a first rotating body 511 , a first swinging body 512 and a third rotating shaft 513 . The first rotating body 511 has an arc-shaped plate structure, and the structure of the first rotating body 511 matches the structure of the first rotating groove 101 . The first rotating body 511 includes a first connecting end 5111 and a first free end 5112. The first connecting end 5111 and the first free end 5112 are respectively located at opposite ends of the first rotating body 511. The first swing body 512 is in the shape of a flat plate. One end of the first swing body 512 is fixedly connected to the first connecting end 5111, and the other end is fixedly connected to the third rotating shaft 513. The extension direction of the third rotation axis 513 is parallel to the Y direction. The first free end 5112 of the first main swing arm 51 extends into the fixed base 10 from the first opening 118, the first rotating body 511 is installed in the first rotating groove 101, and the first rotating body 511 can rotate along the first It slides and rotates in the groove 101. The first main swing arm 51 is rotatably mounted on the first fixed plate 31 through the third rotating shaft 513 , and the first main swing arm 51 can rotate around the third rotating shaft 513 relative to the first fixed plate 31 .

The second main swing arm 52 includes a second rotating body 521 , a second swinging body 522 and a fourth rotating shaft 523 . The second rotating body 521 has an arc-shaped plate structure, and the structure of the second rotating body 521 matches the structure of the second rotating groove 102 . The second rotating body 521 includes a second connecting end 5211 and a second free end 5212. The second connecting end 5211 and the second free end 5212 are respectively located at opposite ends of the second rotating body 521. The second swing body 522 is in the shape of a flat plate. One end of the second swing body 522 is fixedly connected to the second connecting end 5211, and the other end is fixedly connected to the fourth rotating shaft 523. The extending direction of the fourth rotation axis 523 is parallel to the Y direction. The second free end 5212 of the second main swing arm 52 extends into the fixed base 10 from the second opening 119, the second rotating body 521 is installed in the second rotating groove 102, and the second rotating body 521 can rotate along the second It slides and rotates in the groove 102. The second main swing arm 52 is rotatably mounted on the second fixed plate 32 through the fourth rotating shaft 523 , and the second main swing arm 52 can rotate around the fourth rotating shaft 523 relative to the second fixed plate 32 .

Please refer to FIGS. 16 and 17 . FIG. 16 is a cross-sectional view of the rotating mechanism 100 shown in FIG. 5 in a flattened state. FIG. 17 is a cross-sectional view of the rotating mechanism 100 shown in FIG. 5 in a folded state.

When the rotating mechanism 100 is in a flat state, the first fixed plate 31 and the second fixed plate 32 are unfolded relative to the fixed base 10 . The first free end 5112 of the first main swing arm 51 resists the first floating plate 41, and the first elastic member 13 is stretched and is in a stretched state; the second free end 5212 of the second main swing arm 52 resists the first floating plate 41. The second floating plate 42 and the second elastic member 14 are stretched and in a stretched state. The first floating plate 41 and the second floating plate 42 are arranged side by side and parallel.

The first fixed plate 31 and the second fixed plate 32 rotate toward each other. The first fixed plate 31 drives the first main swing arm 51 to rotate clockwise ω ₂ through the third rotating shaft 513 . The first rotating body 511 rotates on the fixed base 10 When the _first free end 5112 releases the first floating plate 41, the first elastic member 13 elastically returns to the natural state (as shown in Figure 10), and the resilience of the first elastic member 13 drives the first The floating plate 41 rotates clockwise _ω2 . The second fixed plate 32 drives the second main swing arm 52 to rotate counterclockwise ω ₁ through the fourth rotating shaft 523. The second rotating body 521 rotates counterclockwise ω ₁ in the fixed base 10, and the second free end 5212 releases the second float. plate 42, the second elastic member 14 elastically returns to the natural state (as shown in Figure 10), and the resilience of the second elastic member 14 drives the second floating plate 42 to rotate counterclockwise ω ₁ , so that the first floating plate 41 and The second floating plate 42 is arranged at an included angle and forms an avoidance space 3, thereby placing the rotating mechanism 100 in a folded state (as shown in Figure 14).

The first fixed plate 31 and the second fixed plate 32 rotate away from each other. The first fixed plate 31 drives the first main swing arm 51 to rotate counterclockwise ω ₁ through the third rotating shaft 513 . The first rotating body 511 rotates counterclockwise ω ₁ in the fixed base 10, and the first free end 5112 resists the first floating plate 41, and causes the first floating plate 41 to rotate counterclockwise ω ₁ , so that the first elastic member 13 is stretched, so that the first elastic member 13 is in a stretched state. The second fixed plate 32 drives the second main swing arm 52 to rotate clockwise ω ₂ through the second rotating shaft 423, the second rotating body 521 rotates clockwise ω ₂ in the fixed base 10, and the second free end 5212 resists the second The floating plate 42 is rotated clockwise by _ω2 , so that the second elastic member 14 is stretched, so that the second elastic member 14 is in a stretched state. The first floating plate 41 and the second floating plate 42 are arranged parallel and side by side, thereby returning the rotating mechanism 100 to the flat state (as shown in Figure 13).

In this embodiment, by providing the first main swing arm 51 and the second main swing arm 52 , the first fixed plate 31 and the second fixed plate 32 rotate relative to the fixed base 10 . Moreover, when the rotating mechanism 100 is in the flat state, the first main swing arm 51 resists the first floating plate 41 and the second main swing arm 52 resists the second floating plate 42, so that the first floating plate 41 and the second floating plate 42 are in contact with each other. The plates 42 are arranged parallel and side by side. The first floating plate 41 and the second floating plate 42 jointly support the foldable portion 330 of the display screen 300 . When the rotating mechanism 100 is in the folded state, the first main swing arm 51 releases the first floating plate 41, and the second main swing arm 52 releases the second floating plate 42. The first floating plate 41 and the second floating plate 42 are arranged at an included angle. The avoidance space 3 is formed, and the avoidance space 3 can provide a bending space for the display screen 300 , thereby avoiding squeezing of the display screen 300 .

Please refer to Figures 5 and 6 together. The main swing arm 50 also includes a third main swing arm and a fourth main swing arm (not shown). The structures of the third main swing arm and the fourth main swing arm are the same as those of the first main swing arm. The swing arm 51 and the second main swing arm 52 have the same structure. Among them, the third main swing arm and the first main swing arm 51 are symmetrical with respect to the first reference plane O, the fourth main swing arm and the second main swing arm 52 are symmetrical with respect to the first reference plane O, and the third main swing arm and the fourth main swing arm are symmetrical with respect to the first reference plane O. The main swing arm is symmetrical with respect to the second reference plane P. The third main swing arm and the fourth main swing arm are both installed on the fixed base 10 , and the third main swing arm and the fourth main swing arm can rotate relative to the fixed base 10 . The third main swing arm is rotationally connected to the third fixed plate 33 . When the third fixed plate 33 rotates, the third main swing arm rotates relative to the fixed base 10 . The fourth main swing arm is rotationally connected to the fourth fixed plate 34 . When the fourth fixed plate 34 rotates, the fourth main swing arm rotates relative to the fixed base 10 .

Please refer to FIG. 18 , which is an enlarged structural diagram of the synchronous swing arm 60 in the rotating mechanism 100 shown in FIG. 6 .

The synchronized swing arm 60 includes a first synchronized swing body 61 , a second synchronized swing body 62 and a synchronized gear 63 . The synchronization gear 63 includes a first gear 631 , a second gear 632 and an intermediate gear 633 . The first gear 631 , the intermediate gear 633 and the second gear 632 are arranged side by side, and the intermediate gear 633 is located between the first gear 631 and the second gear 632 and meshes with the first gear 631 and the second gear 632 . In this embodiment, there are two intermediate gears 633 . In other embodiments, the number of intermediate gears 633 may be one, three, or more than three. One end of the first synchronous swing body 61 is fixedly connected to the first gear 631 , and one end of the second synchronous swing body 62 is fixedly connected to the second gear 632 .

The synchronized swing arm 60 also includes a damping member 64 . In this embodiment, the damping member 64 is composed of multiple damping sheets, and the multiple damping sheets are stacked in layers. The damping member 64 is sleeved on the side of the synchronization gear 63 , and the synchronization gear 63 can rotate relative to the damping member 64 . When the synchronization gear 63 rotates, there is a damping force between the synchronization gear 63 and the damping member 64 , thereby improving the opening and closing feel of the rotation mechanism 100 and improving the user's experience.

Please also refer to FIG. 19 , which is a partial structural diagram of the rotating mechanism 100 shown in FIG. 5 .

The synchronous swing arm 60 is installed on the fixed base 10 . Among them, the synchronization gear 63 is located in the fixed base 10, and the first synchronous swing body 61 and the second synchronization swing body 62 are respectively located on opposite sides of the fixed base 10 in the X direction. One end of the first synchronous swing body 61 away from the first gear 631 extends into the second slide groove 312 of the first fixed plate 31 and is slidably connected with the first fixed plate 31 . One end of the second synchronous swing body 62 away from the second gear 632 extends into the fourth slide groove 322 of the second fixed plate 32 and is slidably connected with the second fixed plate 32 .

When the first fixed plate 31 rotates relative to the fixed base 10 in a direction close to the fixed base 10, that is, when the first fixed plate 31 rotates clockwise _ω2 , it drives the first synchronous swing body 61 to rotate clockwise _ω2 , thereby driving the first synchronous swing body 61 to rotate clockwise ω2. One gear 631 rotates, and the rotation of the first gear 631 drives the intermediate gear 633 to rotate, which in turn drives the second gear 632 to rotate. The rotation of the second gear 632 can drive the second synchronous swing body 62 to rotate counterclockwise ω ₁ , thereby driving the second fixed plate 32 to rotate counterclockwise ω ₁ relative to the fixed base 10, thereby realizing the first synchronous swing body 61 and the second synchronous swing. The body 62 rotates toward the fixed base 10 at the same time, so that the first fixed plate 31 and the second fixed plate 32 rotate toward the fixed base 10 at the same time.

When the first fixed plate 31 rotates in a direction away from the fixed base 10 relative to the fixed base 10, that is, when the first fixed plate 31 rotates counterclockwise ω ₁ , it drives the first synchronous swing body 61 to rotate counterclockwise ω ₁ , thereby driving the first synchronous swing body 61 to rotate counterclockwise ω1. One gear 631 rotates, and the rotation of the first gear 631 drives the intermediate gear 633 to rotate, which in turn drives the second gear 632 to rotate. The rotation of the second gear 632 can drive the second synchronous swing body 62 to rotate clockwise ω ₂ , thereby driving the second fixed plate 32 to rotate clockwise ω ₂ relative to the fixed base 10, thereby realizing the first synchronous swing body 61 and the second synchronous swing. The body 62 rotates away from the fixed base 10 at the same time, so that the first fixing plate 31 and the second fixing plate 32 rotate away from the fixed base 10 at the same time.

In this embodiment, by providing the synchronous swing arm 60 , when the first fixed plate 31 rotates, the second fixed plate 32 can be driven to rotate by the synchronous swing arm 60 , thereby achieving synchronization between the first fixed plate 31 and the second fixed plate 32 . rotation, thereby improving the convenience and reliability of the rotation of the rotating mechanism 100 and improving the user experience.

Please refer to Figures 20 and 21. Figure 20 is an enlarged structural diagram of the first pressure plate swing arm 71 and the second pressure plate swing arm 72 in the rotating mechanism 100 shown in Figure 5. Figure 21 is an expanded view of the rotating mechanism 100 shown in Figure 5. Cross-sectional view of the flat state.

The pressure plate swing arm 70 includes a first pressure plate swing arm 71 and a second pressure plate swing arm 72 . The first pressure plate swing arm 71 and the second pressure plate swing arm 72 have the same structure. The first pressure plate swing arm 71 and the second pressure plate swing arm 72 are respectively located on opposite sides of the fixed base 10 in the X direction, and the first pressure plate swing arm 71 and the second pressure plate swing arm 72 are symmetrical with respect to the first reference plane O.

The first pressure plate swing arm 71 includes a first sleeve 711 and a first pressure plate swing body 712 . The first sleeve 711 is located at one end of the first pressure plate swing body 712 and is fixedly connected to the first pressure plate swing body 712 . The length direction of the first sleeve 711 is parallel to the Y direction. The first sleeve 711 is rotatably connected to the fixed base 10 , and the first sleeve 711 can rotate around the fixed base 10 . In this embodiment, the fixed base 10 is provided with a rotating shaft, and the first sleeve 711 is sleeved on the rotating shaft to realize the rotational connection between the first pressure plate swing arm 71 and the fixed base 10 . The first pressure plate swing body 712 is installed in the first pressure plate slide groove 213 and can slide along the first pressure plate slide groove 213 . When the first pressure plate 21 rotates, the first pressure plate swing body 712 is driven to rotate, thereby driving the first sleeve 711 to rotate relative to the fixed base 10 , thereby realizing the rotation of the first pressure plate 21 and the first pressure plate swing arm 71 relative to the fixed base 10 . In this embodiment, by arranging the first pressure plate swing arm 71 and driving the first pressure plate swing arm 71 to rotate through the first pressure plate 21, the first pressure plate 21 rotates relative to the fixed base 10, thereby improving the rotation of the first pressure plate 21. stability.

The second pressure plate swing arm 72 includes a second sleeve 721 and a second pressure plate swing body 722. The second sleeve 721 is fixedly connected to the second pressure plate swing body 722. The length direction of the second sleeve 721 is parallel to the Y direction. The second sleeve 721 is rotatably connected to the fixed base 10 , and the second sleeve 721 can rotate around the fixed base 10 . In this embodiment, the fixed base 10 is provided with a rotating shaft, and the second sleeve 721 is sleeved on the rotating shaft to realize the rotational connection between the second pressure plate swing arm 72 and the fixed base 10 . The second pressure plate swing body 722 is installed in the second pressure plate slide groove 223 and can slide along the second pressure plate slide groove 223 . When the second pressure plate 22 rotates, the second pressure plate swing body 722 is driven to rotate, thereby driving the second sleeve 721 to rotate relative to the fixed base 10 , thereby realizing the rotation of the second pressure plate 22 and the second pressure plate swing arm 72 relative to the fixed base 10 . In this embodiment, by providing the second pressure plate swing arm 72 and driving the second pressure plate swing arm 72 to rotate through the second pressure plate 22, the second pressure plate 22 can be rotated relative to the fixed base 10, and the second pressure plate 22 can be lifted to rotate. stability.

In this embodiment, by arranging the first pressure plate swing arm 71 and driving the first pressure plate swing arm 71 to rotate through the first pressure plate 21, the first pressure plate 21 rotates relative to the fixed base 10, thereby improving the rotation of the first pressure plate 21. stability. Moreover, by providing the second pressure plate swing arm 72 and driving the second pressure plate swing arm 72 to rotate through the second pressure plate 22, the second pressure plate 22 can rotate relative to the fixed base 10, thereby improving the rotation stability of the second pressure plate 22. .

Please refer to FIG. 5 , FIG. 6 and FIG. 16 together. When the foldable electronic device 500 is in a flat state, the first fixing plate 31 and the second fixing plate 32 are both parallel to the X direction and unfolded relative to the fixed base 10 . The first pressure plate 21 and the second pressure plate 22 are both parallel to the X direction and deployed relative to the fixed base 10 . The first rotating body 511 and the second rotating body 521 are both located in the fixed base 10, and the first free end 5112 of the first rotating body 511 resists the first floating plate 41, the first elastic member 13 is stretched, and is in Stretched state; the second free end 5212 of the second rotating body 521 resists the second floating plate 42, and the second elastic member 14 is stretched and is in a stretched state. The first floating plate 41 and the second floating plate 42 are both parallel to the X direction, and the first floating plate 41 and the second floating plate 42 are parallel and arranged side by side in the X direction. The first pressure plate 21 , the second pressure plate 22 , the first floating plate 41 and the second floating plate 42 jointly support the display screen 300 .

Rotating the first fixed plate 31 clockwise ω ₂ drives the first main swing arm 51 to rotate clockwise ω ₂ , and the first rotating body 511 slides in the direction away from the fixed base 10 in the first rotating groove 101 , causing the first free end to rotate ω 2 clockwise. 5112 is away from the first floating plate 41, the first elastic member 13 elastically retracts to the natural state, and drives the second side 412 of the first floating plate 41 to rotate clockwise _ω2 , and the first floating plate 41 faces the inside of the fixed base 10 sink. At the same time, the first fixed plate 31 also drives the first pressing plate 21 to rotate clockwise ω ₂ and causes the first pressing plate 21 to slide relative to the first fixed plate 31 . During the clockwise ω ₂ rotation, the first pressure plate 21 drives the first pressure plate swing arm 71 to rotate clockwise ω ₂ , thereby realizing the clockwise ω ₂ rotation of the first pressure plate 21 relative to the fixed base 10 . Moreover, the clockwise ω ₂ rotation of the first fixed plate 31 also drives the first synchronous swing body 61 of the synchronous swing arm 60 to rotate clockwise ω ₂ and causes the first synchronous swing body 61 to slide in the second slide groove 312 . The first synchronous swing body 61 drives the second synchronous swing body 62 to rotate counterclockwise ω ₁ through the synchronization gear 63, thereby driving the second fixed plate 32 to rotate counterclockwise ω ₁ .

When the second fixed plate 32 rotates counterclockwise ω ₁ , it drives the second main swing arm 52 to rotate counterclockwise ω _1. The second rotating body 521 slides in the direction away from the fixed base 10 in the second rotating groove 102, so that the second free end 5212 is away from the second floating plate 42, the second elastic member 14 elastically retracts to the natural state, and drives the fourth side 422 of the second floating plate 42 to rotate counterclockwise ω ₁ , and the second floating plate 42 faces the inside of the fixed base 10 When sinking, the second floating plate 42 and the first floating plate 41 are arranged at an angle and form an avoidance space 3 . At the same time, the second fixed plate 32 also drives the second pressure plate 22 to rotate counterclockwise ω ₁ and causes the second pressure plate 22 to slide relative to the second fixed plate 32. The second pressure plate 22 drives the second pressure plate to swing during the counterclockwise ω ₁ rotation. The arm 72 rotates counterclockwise ω ₁ , thereby realizing the second pressure plate 22 rotating counterclockwise ω ₁ relative to the fixed base 10 , so that the rotating mechanism 100 is in a folded state (as shown in FIG. 14 ).

Please refer to FIG. 17 and FIG. 22 . FIG. 22 is a partial structural diagram of the rotating mechanism 100 shown in FIG. 5 in a folded state.

When the rotating mechanism 100 is in the folded state, the first fixed plate 31 and the second fixed plate 32 are folded relative to each other, the first pressing plate 21 and the second pressing plate 22 are folded relative to each other, and the first floating plate 41 and the second floating plate 42 face the fixed base 10 The first floating plate 41 and the second floating plate 42 are arranged at an angle and form an avoidance space 3 .

Please also refer to FIG. 23 , which is a partial structural diagram of the foldable electronic device 500 shown in FIG. 1 in a folded state.

When the rotating mechanism 100 is in the folded state, the foldable portion 330 of the display screen 300 is located inside the rotating mechanism 100 . The partially foldable portion 330 is located between the first pressure plate 21 and the second pressure plate 22 and is spaced apart from the first pressure plate 21 and the second pressure plate 22 . The partially foldable portion 330 is opposite to the first floating plate 41 and the second floating plate 42 , and located in avoidance space 3. The avoidance space 3 formed by the rotation of the first floating plate 41 and the second floating plate 42 can avoid the R angle formed when the foldable part 330 is bent, so that the foldable part 330 does not bend at a large angle and prevents the display screen 300 from being bent. The occurrence of undesirable phenomena such as creases will help extend the service life of the display screen 300 .

At the same time, there is a gap between the display screen 300 and the first floating plate 41 and the second floating plate 42, so that the squeeze between the display screen 300 and the first floating plate 41 and the second floating plate 42 can be avoided to cause damage to the display screen 300. Damage can also be avoided when the first floating plate 41 and the second floating plate 42 collide with the display screen 300 and cause damage to the display screen 300 during the reliability test. Moreover, by arranging the rotatable first floating plate 41 and the second floating plate 42, the size of the first floating plate 41 and the second floating plate 42 in the Z direction is reduced when the first floating plate 41 and the second floating plate 42 are arranged at an included angle, thereby reducing the The thickness of the rotating mechanism 100 is conducive to making the foldable electronic device 500 thin and light.

Rotate the first fixed plate 31 counterclockwise ω ₁ to drive the first main swing arm 51 to rotate counterclockwise ω ₁ , and the first rotating body 511 slides in the direction closer to the fixed base 10 in the first rotating groove 101 , so that the first free end 5112 resists the first floating plate 41 to rotate the second side 412 of the first floating plate 41 counterclockwise ω ₁ , thereby making the first floating plate 41 parallel to the X direction. Moreover, when the first floating plate 41 rotates counterclockwise ω ₁ , the first elastic member 13 is stretched and is in a stretched state. Drive to make. At the same time, the first fixed plate 31 also drives the first pressing plate 21 to rotate counterclockwise ω ₁ and causes the first pressing plate 21 to slide relative to the first fixed plate 31 . During the counterclockwise ω ₁ rotation, the first pressure plate 21 drives the first pressure plate swing arm 71 to rotate counterclockwise ω ₁ , thereby realizing the first pressure plate 21 to rotate counterclockwise ω ₁ relative to the fixed base 10 . Moreover, the counterclockwise ω ₁ rotation of the first fixed plate 31 also drives the first synchronous swing body 61 of the synchronous swing arm 60 to rotate counterclockwise ω ₁ and causes the first synchronous swing body 61 to slide in the second slide groove 312 . The first synchronous swing body 61 drives the second synchronous swing body 62 to rotate clockwise ω ₂ through the synchronization gear 63, thereby driving the second fixed plate 32 to rotate clockwise ω ₂ .

The second fixed plate 32 rotates clockwise ω ₂ to drive the second main swing arm 52 to rotate clockwise ω ₂ , and the second rotating body 521 slides in the direction closer to the fixed base 10 in the second rotating groove 102 , so that the second free end 5212 Resist the second floating plate 42 to rotate the fourth side 422 of the second floating plate 42 clockwise ω ₂ , so that the second floating plate 42 is parallel to the X direction, and the second floating plate 42 is in contact with the first floating plate. 41 are set up parallel and side by side. Moreover, when the second floating plate 42 rotates clockwise ω ₂ , the second elastic member 14 is stretched and is in a stretched state. At the same time, the second fixed plate 32 also drives the second pressure plate 22 to rotate clockwise ω ₂ and causes the second pressure plate 22 to slide relative to the second fixed plate 32. The second pressure plate 22 drives the second pressure plate to swing during the clockwise ω ₂ rotation. The arm 72 rotates clockwise ω ₂ , thereby realizing the second pressure plate 22 rotating clockwise ω ₂ relative to the fixed base 10 , so that the rotating mechanism 100 rotates to a flat state (as shown in FIG. 5 ).

The above are only some examples and implementation modes of the present application. The protection scope of the present application is not limited thereto. Any person familiar with the art can easily think of changes or replacements within the technical scope disclosed in the present application, and all of them should be covered. within the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims (16)

1. A rotary mechanism, comprising: the device comprises a fixed base, a first floating plate, a second floating plate, a first main swing arm and a second main swing arm;

the fixed base is provided with a first rotating groove and a second rotating groove, and the first rotating groove and the second rotating groove are oppositely arranged;

the first floating plate comprises a first side and a second side which are oppositely arranged, the second floating plate comprises a third side and a fourth side which are oppositely arranged, the first floating plate and the second floating plate are arranged side by side, the second side is opposite to the fourth side, the first floating plate and the second floating plate are both arranged on the fixed base, and the first side and the third side are respectively connected with the fixed base in a rotating way;

The first main swing arm is arranged in the first rotating groove, is opposite to the first floating plate, and can slide along the first rotating groove; the second main swing arm is arranged in the second rotating groove and is opposite to the second floating plate, and the second main swing arm can slide along the second rotating groove; the first main swing arm and the second main swing arm rotate simultaneously and in opposite rotation directions, and the first main swing arm and the second main swing arm rotate to realize relative rotation of the first floating plate and the second floating plate.

2. The rotating mechanism according to claim 1, wherein the rotating mechanism has a flattened state and a folded state, and wherein when the rotating mechanism is in the flattened state, the first main swing arm abuts against the first floating plate, the second main swing arm abuts against the second floating plate, and the first floating plate and the second floating plate are arranged side by side and in parallel; when the rotating mechanism is in a folding state, the first main swing arm releases the first floating plate, the second main swing arm releases the second floating plate, and the first floating plate and the second floating plate are arranged in an included angle.

3. The rotating mechanism according to claim 1 or 2, wherein when the first floating plate and the second floating plate are disposed at an included angle, the first floating plate and the second floating plate enclose an avoidance space.

4. A rotation mechanism according to claim 2 or 3, wherein the rotation mechanism comprises a first elastic member connecting the first floating plate and the fixed base; when the rotating mechanism is in a flattened state, the first floating plate pulls the first elastic piece and enables the first elastic piece to be in a stretched state; when the rotating mechanism is in a folded state, the first floating plate releases the first elastic piece so that the first elastic piece is in a natural state or a compressed state.

5. The rotating mechanism according to claim 4, wherein the first elastic member is installed in the fixed base, and one end of the first elastic member is connected to the fixed base, and the other end is fixedly connected to the first floating plate;

the first main swing arm can rotate towards the direction close to the fixed base so as to prop against the first floating plate and stretch the first elastic piece, the first main swing arm can also rotate towards the direction far away from the fixed base so as to release the first floating plate, and the first elastic piece is elastically restored so as to enable the first floating plate to rotate towards the inside of the fixed base.

6. The rotating mechanism according to claim 4 or 5, wherein the rotating mechanism comprises a second elastic member, the second elastic member is installed in the fixed base, one end of the second elastic member is connected with the fixed base, and the other end of the second elastic member is fixedly connected with the second floating plate;

the second main swing arm can rotate towards the direction close to the fixed base so as to prop against the second floating plate and stretch the second elastic piece, the second main swing arm can also rotate towards the direction far away from the fixed base so as to release the second floating plate, and the second elastic piece is elastically restored so as to enable the second floating plate to rotate towards the inside of the fixed base.

7. The rotating mechanism according to any one of claims 1 to 6, wherein the first main swing arm includes a first rotating body and a first swinging body, the first rotating body is fixedly connected with the first swinging body, and the first rotating body is installed in the first rotating groove and can slide along the first rotating groove; the second main swing arm comprises a second rotating body and a second swinging body, the second rotating body is fixedly connected with the second swinging body, and the second rotating body is arranged in the second rotating groove and can slide along the second rotating groove;

The first swinging body and the second swinging body can rotate towards the direction of approaching to each other so as to drive the first rotating body and the second rotating body to rotate towards the direction of approaching to each other relative to the fixed base, the first rotating body props against the first floating plate, the second rotating body props against the second floating plate, and the first floating plate and the second floating plate are arranged side by side and in parallel so that the rotating mechanism is in a flattened state;

the first swinging body and the second swinging body can rotate towards the direction away from each other, so that the first swinging body and the second swinging body are driven to rotate towards the direction away from each other relative to the fixed base, the first swinging body releases the first floating plate, the second swinging body releases the second floating plate, and the first floating plate and the second floating plate are arranged at an included angle, so that the rotating mechanism is in a folded state.

8. The rotary mechanism of claim 7, wherein the rotary mechanism comprises a first fixed plate and a second fixed plate, the first fixed plate is rotatably connected with the first swinging body, and the second fixed plate is rotatably connected with the second swinging body;

The first fixing plate can rotate relative to the fixed base so as to drive the first swinging body to rotate relative to the fixed base, and further drive the first main swinging arm to rotate relative to the fixed base; the second fixing plate can rotate relative to the fixing base so as to drive the second swinging body to rotate relative to the fixing base, and therefore the second main swinging arm is driven to rotate relative to the fixing base.

9. The rotating mechanism according to claim 8, further comprising a first pressing plate and a second pressing plate, wherein the first pressing plate is slidably connected to the first fixing plate, and the first fixing plate can rotate relative to the fixing base when rotating relative to the fixing base; the second pressing plate is in sliding connection with the second fixing plate, and when the second pressing plate rotates relative to the fixing base, the second pressing plate can be driven to rotate relative to the fixing base.

10. The rotating mechanism according to claim 9, wherein the first fixed plate is provided with a first sliding groove, the first pressing plate comprises a first sliding block, the first pressing plate and the first fixed plate are stacked, the first sliding block is located in the first sliding groove, and the first sliding block can slide along the first sliding groove;

The second fixed plate is provided with a third sliding groove, the second pressing plate comprises a second sliding block, the second pressing plate and the second fixed plate are arranged in a stacked mode, the second sliding block is located in the third sliding groove, and the second sliding block can slide along the third sliding groove.

11. The rotating mechanism according to any one of claims 8 to 10, further comprising a synchronization swing arm including a first synchronization swing body, a second synchronization swing body, and a synchronization gear, the first synchronization swing body and the second synchronization swing body being connected to opposite sides of the synchronization gear, respectively; the synchronous gear is arranged in the fixed base, the first synchronous swinging body is in sliding connection with the first fixed plate, and the second synchronous swinging body is in sliding connection with the second fixed plate;

when the first fixed plate rotates relative to the fixed base, the first synchronous swinging body can be driven to rotate relative to the fixed base, so that the second synchronous swinging body is driven to rotate relative to the fixed base through the synchronous gear, and the second fixed plate is driven to rotate relative to the fixed base.

12. The rotating mechanism according to claim 9 or 10, further comprising a first platen swing arm and a second platen swing arm, wherein one end of the first platen swing arm is rotationally connected to the fixed base, and the other end of the first platen swing arm is slidingly connected to the first platen, and when the first platen rotates relative to the fixed base, the first platen swing arm is driven to rotate relative to the fixed base;

one end of the second pressing plate swing arm is rotationally connected with the fixed base, the other end of the second pressing plate swing arm is in sliding connection with the second pressing plate, and when the second pressing plate rotates relative to the fixed base, the second pressing plate swing arm can be driven to rotate relative to the fixed base.

13. The rotary mechanism of claim 11, wherein the rotary mechanism comprises a damping member in contact with the synchronizing gear, the damping member generating a damping force with the synchronizing gear when the synchronizing gear rotates.

14. A foldable electronic device, comprising a first housing, a second housing, a display screen, and a rotation mechanism according to any one of claims 1 to 13, wherein the rotation mechanism is connected between the first housing and the second housing, the display screen is mounted on the first housing, the second housing, and the rotation mechanism, and when the rotation mechanism rotates, the first housing and the second housing relatively rotate, so as to drive the display screen to bend or unfold.

15. The foldable electronic device of claim 14, wherein the display screen comprises a first portion, a second portion, and a foldable portion, the foldable portion connected between the first portion and the second portion, the first portion mounted to the first housing, the second portion mounted to the second housing, the foldable portion disposed opposite the rotating mechanism.

16. The foldable electronic device of claim 15, wherein the first floating plate and the second floating plate are disposed at an angle to form an avoidance space when the foldable electronic device is in a folded state, at least a portion of the foldable portion being located in the avoidance space.