CN108286862A - Insert hinge device - Google Patents

Abstract

The invention discloses an embedded hinge device, which includes a mounting part, a fixing part and an intermediate component, wherein the intermediate component is movably arranged relative to the mounting part, and the fixing part is movably arranged relative to the intermediate component. The embedded hinge device has a closed state and an open state. In the closed state, the first side of the fixing part is roughly parallel or flush with the first side of the mounting part, and the second side of the fixing part is roughly parallel to the connecting side of the mounting part. Or flush, the arc side of the fixing part fits the arc side of the mounting part, when it is open, the second side of the fixing part forms a certain angle with the first side of the mounting part, and the arc side of the fixing part is far away from the mounting part curved sides. The embedded hinge device has a compact and reliable structure.

Description

Built-in hinge device

technical field

The invention relates to an embedded hinge device.

Background technique

The cabinets of many devices are equipped with openable doors. Usually, the door and the cabinet are rotatably arranged. In order to realize the rotation of the door relative to the door, a single-axis hinge is generally used. The fixed shaft of the hinge rotates to make a circular motion, thereby realizing the opening or closing of the door body. Since the fixed axis around which the door body rotates does not move, the door body is easy to exceed the side of the device when the door body is opened. For the case where the gap between the device and the wall is small, this kind of hinge structure is adopted. , will greatly limit the opening angle of the door body, making it inconvenient to use. After continuous research and development, technicians have also invented embedded hinges, but the structure is complicated, and it takes up a lot of space and is inconvenient to install.

Contents of the invention

The object of the present invention is to provide an embedded hinge device, which has a compact and reliable structure.

In order to achieve the purpose of the above invention, an embodiment of the present invention provides an embedded hinge device, which includes a mounting part, a fixing part, and an intermediate component arranged between the mounting part and the fixing part, wherein the intermediate The components are arranged movably relative to the mounting part, and the fixed part is movably arranged relative to the intermediate component, the intermediate component and the fixed part move on the same plane, and the movement trends of the intermediate component and the fixed part are in the same direction,

The mount has a mount first side, a mount second side angled from the mount first side, and a mount connecting the mount first side and the mount second side. An arc-shaped side of the mounting part, the mounting part has a first side of the mounting part, a second side of the mounting part opposite to the first side of the mounting part, and an arc of the mounting part connected to the first side of the mounting part The shaped side and the mounting part connecting side connected to the second side of the mounting part, and the arc-shaped side of the mounting part is connected to the connecting side of the mounting part,

The embedded hinge device has a closed state and an open state. In the closed state, the first side of the fixing part is roughly parallel or flush with the first side of the mounting part, and the second side of the fixing part It is roughly parallel or flush with the connecting side of the mounting part, and the arc-shaped side of the fixing part fits with the arc-shaped side of the mounting part. The sides form a certain angle, and the arc-shaped side of the fixing part is far away from the arc-shaped side of the mounting part.

As a further improvement of the embodiment of the present invention, the intermediate assembly includes an intermediate plate, the intermediate plate is provided with a first arc-shaped groove and a second arc-shaped groove, and the mounting part is provided with a The first matching piece matched with the slot, the fixing piece is provided with a second fitting piece matched with the second arc-shaped slot, the middle plate is relative to the mounting piece with the first arc The arc center of the arc-shaped groove is the axis of rotation, and the fixed member rotates with the arc center of the second arc-shaped groove as the axis relative to the middle plate, and the arc center of the first arc-shaped groove and the second arc The arc center of the arc-shaped groove is located on the same side of the first arc-shaped groove and the second arc-shaped groove.

As a further improvement of the embodiment of the present invention, the first arc-shaped groove and the second arc-shaped groove have the same arc center.

As a further improvement of the embodiment of the present invention, the middle plate is fan-shaped.

As a further improvement of the embodiment of the present invention, the fixing part includes a fixing part and a first receiving part forming a first receiving groove, the mounting part includes a mounting part and a second receiving part forming a second receiving groove, and the closed state , the middle plate is completely accommodated in the first storage slot and the second storage slot, and when moving from the closed state to the open state, part of the middle plate moves out of the first storage slot, and part of the middle plate moves out of the first storage slot. Remove the second storage tank.

As a further improvement of the embodiment of the present invention, the fixing member includes an upper fixing plate and a lower fixing plate, and the upper fixing plate has a connecting portion fixedly connected with the lower fixing plate and is spaced a certain distance from the lower fixing plate The spacer part, the connecting part and part of the lower fixing plate form a fixing part, the spacer part and part of the lower fixing plate form a first receiving part, and the first receiving groove is arc-shaped with openings at both ends groove.

As a further improvement of the embodiment of the present invention, the mounting member includes an upper mounting plate and a lower mounting plate, and the upper mounting plate has a matching portion fixedly connected with the lower mounting plate and is spaced from the lower mounting plate at a certain distance. The partition part of the distance, the fitting part and part of the lower mounting plate form a mounting part, and the partition part and part of the lower mounting plate form a second receiving part.

As a further improvement of the embodiment of the present invention, the first arc-shaped groove and the second arc-shaped groove have different arc centers.

As a further improvement of the embodiment of the present invention, the first fitting includes a first pin and a second pin spaced apart from the first pin, and the first pin and the second pin are both Matching with the first arc-shaped groove.

As a further improvement of the embodiment of the present invention, the second fitting includes a first guide pin and a second guide pin spaced apart from the first guide pin, and the first guide pin and the second guide pin are both Matching with the second arc groove.

Compared with the prior art, the beneficial effect of the present invention lies in: the technical solution provided by the present invention, when the embedded hinge device is in the closed state, the first side of the fixing part and the first side of the mounting part The sides are roughly parallel or flush, the second side of the fixing part is roughly parallel or flush with the connecting side of the mounting part, and the arc-shaped side of the fixing part fits with the arc-shaped side of the mounting part, so that the embedded The structure of the hinge device is compact and reliable.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a refrigerator in a first embodiment of the present invention;

Fig. 2 is a partial enlarged view of place I in Fig. 1;

Fig. 3 is a three-dimensional schematic diagram of the upper embedded hinge device in Fig. 1, at this moment, the upper embedded hinge device is in a closed state;

Fig. 4 is a top view of the upper embedded hinge device in Fig. 3, and the upper embedded hinge device is in a closed state at this moment;

Fig. 5 is another three-dimensional schematic diagram of the upper embedded hinge device in Fig. 1, and the upper embedded hinge device is in an open state;

Fig. 6 is a top view of the upper embedded hinge device in Fig. 5, at this moment, the upper embedded hinge device is in an open state;

Fig. 7 is a three-dimensional exploded schematic view of the upper embedded hinge device in Fig. 1;

Fig. 8 is a top view of the lower embedded hinge device in Fig. 1, at this moment, the lower embedded hinge device is in an open state;

Fig. 9 is a schematic perspective view of the lower embedded hinge device in Fig. 1, and the lower embedded hinge device is in an open state;

Fig. 10 is a schematic perspective view of the lower embedded hinge device in another direction in Fig. 1, and the lower embedded hinge device is in an open state at this moment;

Fig. 11 is a three-dimensional exploded schematic view of the lower embedded hinge device in Fig. 1;

Fig. 12 is a top view of the upper embedded hinge device of the refrigerator in the second embodiment of the present invention;

Fig. 13 is a top view of the upper embedded hinge device of the refrigerator in the third embodiment of the present invention;

Fig. 14 is a top view of the upper embedded hinge device of the refrigerator in the fourth embodiment of the present invention;

Fig. 15 is a top view of the upper embedded hinge device of the refrigerator in the fifth embodiment of the present invention;

Fig. 16 is a three-dimensional schematic diagram of the upper embedded hinge device and guides of the refrigerator in Fig. 15, when the door is in a closed state;

Fig. 17 is a three-dimensional schematic diagram of the upper embedded hinge device and guide parts of the refrigerator in Fig. 15. At this time, the door body and the upper embedded hinge device move linearly relative to the box until the limit pin is disengaged from the fixing part, and the stop The stopper abuts against the guide piece;

Fig. 18 is a three-dimensional schematic diagram of the upper embedded hinge device and guides of the refrigerator in Fig. 15. At this time, the upper embedded hinge device is in an open state, and the door body is in a fully opened state;

Fig. 19 is a top view of the upper embedded hinge device and the guide in Fig. 18, at this moment, the upper embedded hinge device is in the open state, and the door body is in the fully opened state.

Detailed ways

The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

In describing specific embodiments of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "bottom", "inner The orientation or positional relationship indicated by " and "outside" is based on the orientation or positional relationship shown in the drawings, usually with the embedded hinge device in normal use as a reference, rather than indicating that the indicated position or element must have a specific orientation.

Furthermore, it should be understood that although the terms first, second, etc. may be used herein to describe various elements or structures, these described objects should not be limited by the above terms. The above terms are only used to distinguish these descriptive objects from each other. For example, the first arc-shaped groove may be called the second arc-shaped groove, and similarly, the second arc-shaped groove may also be called the first arc-shaped groove, which does not depart from the scope of protection of this application.

The preferred embodiment provided by the present invention discloses a refrigerator, as shown in Figures 1 to 10, the first preferred embodiment provided by the present invention, the refrigerator includes a box body 10 and a door body 11 for opening or closing the box body 10, The box body 10 defines storage compartments, wherein the number and structure of the storage compartments can be configured according to different requirements. Storage compartments usually include refrigerators and freezers.

The refrigerator also includes an embedded hinge device located between the box body 10 and the door body 11. The embedded hinge device includes an upper embedded hinge device 12 and a lower embedded hinge device 14. The upper embedded hinge device 12 is arranged on the door body 11. and above the box body 10 , the lower embedded hinge device 14 is arranged below the door body 11 and the box body 10 . The above and below here refer to the refrigerator in use. Among them, the connection structure between the upper embedded hinge device 12 and the lower embedded hinge device 14 and the door body 11 and the box body 10 is symmetrically arranged, and the other differences between the upper embedded hinge device 12 and the lower embedded hinge device 14 are: The lower embedded hinge device 14 is provided with an auxiliary load-bearing structure 16 supported on the ground. The above embedded hinge device 12 will be described in detail below as an example.

In this preferred embodiment, the embedded hinge device is used in a refrigerator. Of course, the embedded hinge device can also be used in other equipment, as long as the equipment is provided with a body and a door that can be opened or closed relative to the body. The embedded hinge device is arranged between the main body and the door body of the above-mentioned equipment, and is used for connecting the door body to the main body, and realizes that the door body can be opened at a certain angle or closed relative to the main body.

The upper embedded hinge device 12 includes a mounting part 18, a fixing part 20 and an intermediate assembly 24 arranged between the mounting part 18 and the fixing part 20, wherein the mounting part 18 is fixedly arranged on the box body 10, and the fixing part 20 is fixedly arranged on the door Body 11. The intermediate assembly 24 is movable relative to the installation part 18, and the fixed part 20 is movable relative to the intermediate assembly 24. The intermediate assembly 24 and the fixed part 20 move on the same plane, and the movement trends of the intermediate assembly 24 and the fixed part 20 are the same. The upper embedded hinge device has a closed state and an open state. When the upper embedded hinge device is in the closed state, the door body 11 of the refrigerator is closed; when the upper embedded hinge device is in the open state, the refrigerator door body 11 is opened.

One of the mounting part 18 and the intermediate component 24 is provided with a first arc-shaped groove 26, and the other of the mounting part 18 and the intermediate component 24 is provided with a first fitting part 28 matched with the first arc-shaped groove 26, The intermediate assembly 24 rotates relative to the mounting member 18 with the arc center of the first arc-shaped slot 26 as the first rotation axis 34 .

One of the fixing part 20 and the intermediate component 24 is provided with a second arc-shaped groove 30 , and the other of the fixing part 20 and the intermediate component 24 is provided with a second fitting part 32 matched with the second arc-shaped groove 30 , The fixing member 20 rotates relative to the intermediate assembly 24 with the arc center of the second arc-shaped slot 30 as the second rotation axis 36, and the arc center of the first arc-shaped slot 26 and the arc center of the second arc-shaped slot 30 are located on the first arc. The same side of the arc-shaped groove 26 and the second arc-shaped groove 30.

In this preferred implementation, the connection between the fixing part 20 and the mounting part 18 is realized through the intermediate component 24, and the fixing part 20 is movable relative to the mounting part 18 through two arc-shaped grooves and two fittings, so that the embedded hinge The structure of the device is compact and reliable. In addition, the above-mentioned structure makes the virtual rotation axis of the fixing member 20 constantly change, so that the application range of the embedded hinge device is wider. Specifically on the refrigerator, when the door body 11 is opened, the door body 11 will not exceed the side wall of the box body 10, so that even if the refrigerator is placed in a small space, the opening of the door body 11 will not be affected.

Specifically in this embodiment, both the first arc-shaped groove 26 and the second arc-shaped groove 30 are disposed on the intermediate component 24 . The first matching part 28 is disposed on the mounting part 18 , and the second fitting part 32 is disposed on the fixing part 20 . Of course, the first arc-shaped groove 26 can also be arranged on the intermediate assembly 24, the first fitting 28 is arranged on the mounting part 18, and the second arc-shaped groove 30 is arranged on the fixing part 20, and the second fitting 32 is arranged on the intermediate component 24. Or the first arc-shaped groove 26 is arranged on the mounting part 18, the first fitting part 28 is arranged on the intermediate component 24, and the second arc-shaped groove 30 is arranged on the fixing part 20, and the second fitting part 32 is arranged on the on the middle assembly 24. Or the first arc-shaped groove 26 is arranged on the mounting part 18, the first fitting 28 is arranged on the intermediate component 24, the second arc-shaped groove 30 is arranged on the intermediate component 24, and the second fitting 32 is arranged on the mount 20.

When the upper embedded hinge device 12 is closed, the first rotation axis 34 and the second rotation axis 36 are parallel or coincident with each other, the fixing part 20 has a fixing part mounting surface 38, and the mounting part 18 has a mounting part mounting surface 40. Both the component mounting surface 38 and the mounting component mounting surface 40 are perpendicular to the first rotation axis 34 . The installation surface 40 of the installation part is attached and fixed to the box body 10, the installation surface 38 of the installation part is attached and fixed to the door body 11, and the installation surface 38 of the installation part and the installation surface 40 of the installation part are set to be perpendicular to the first rotation axis 34 In addition, since the first rotation axis 34 and the second rotation axis 36 are arranged to be parallel to or coincident with each other, the mounting surface 38 of the mounting piece and the mounting surface 40 of the mounting piece are also perpendicular to the second rotation axis 36. At this time, the mounting surface 40 of the mounting part can be directly fitted and fixed to the upper surface of the box body 10, and the mounting surface of the fixing part 38 can be directly fitted and fixed to the upper surface of the door body 11, which is not only convenient for installation, but also takes up less space. And the structure is more reliable and stable.

In addition, the fixing part 20 includes a fixing part 42 and a first receiving part 46 forming a first receiving groove 44, the intermediate assembly 24 is partly housed in the first receiving groove 44, and the first mating part 28 is arranged on the first receiving part 46 and at least Some are located in the first receiving groove 44 . The mounting part 18 includes a mounting part 48 and a second receiving part 52 forming a second receiving groove 50, the intermediate assembly 24 is partly housed in the second receiving groove 50, and the second mating part 32 is arranged at the second receiving part 52 and is at least partially located in the second receiving part 52. The second storage tank 50 .

Specifically, when in the closed state, the intermediate assembly 24 is completely accommodated in the first receiving groove 44 and the second receiving groove 50, and when moving from the closed state to the open state, part of the intermediate assembly 24 moves out of the first receiving groove 44, and part of the middle assembly 24 moves out of the first receiving groove 44. The component 24 moves out of the second receiving slot 50 . When closed, the intermediate assembly 24 is completely accommodated in the first receiving groove 44 and the second receiving groove 50, so that the structure not only has a beautiful appearance, but also has a more compact structure.

The first receiving part 46 has an outer arc edge, and the second receiving part 52 has an inner arc edge. When it is closed, the outer arc edge is adjacent to the inner arc edge. When it is opened, the outer arc edge is far away from the inner arc edge.

In detail, the fixing member 20 includes an upper fixing plate 58 and a lower fixing plate 60, the upper fixing plate 58 has a connecting portion 62 fixedly connected with the lower fixing plate 60 and a spacer portion 64 spaced a certain distance from the lower fixing plate 60, the connecting portion 62 and part of the lower fixing plate 60 constitute the fixing part 42 , the spacer 64 and part of the lower fixing plate 60 constitute the first receiving part 46 , and the first receiving groove 44 is an arc-shaped groove with openings at both ends. In this preferred embodiment, the upper fixing plate 58 and the lower fixing plate 60 are welded together. Of course, the upper fixing plate 58 and the lower fixing plate 60 may also be fixed by screw connection or riveting. Specifically, the connecting portion 62 is welded together with part of the lower fixing plate 60 . In this preferred embodiment, the lower fixing plate 60 of the fixing member 20 is fixedly connected to the door body 11 of the refrigerator. Specifically, two fasteners are arranged on the lower fixing plate 60 , and are fixedly connected to the door body 11 through the fasteners so as to fix the fixing member 20 to the door body 11 .

The mounting part 18 includes an upper mounting plate 66 and a lower mounting plate 68. The upper mounting plate 66 has a mating portion 70 fixedly connected to the lower mounting plate 68 and a partition 72 spaced a certain distance from the lower mounting plate 68. The mating portion 70 The mounting portion 48 is formed with a part of the lower mounting plate 68 , and the second receiving portion 52 is formed with the partition portion 72 and a portion of the lower mounting plate 68 . Same as the arrangement of the fixing member 20 , the upper mounting plate 66 and the lower mounting plate 68 are welded together. Of course, the upper mounting plate 66 and the lower mounting plate 68 may also be fixed by screw connection or riveting. Specifically, the mating portion 70 is welded together with part of the lower mounting plate 68 . Specifically, a mounting hole 74 is provided at the mounting portion 48 of the mounting member 18 , and a fastener (not shown) is passed through the mounting hole 74 to be fixedly connected to the box body 10 . There can be one installation hole 774, or two or more installation holes.

Further, the fixing part 20 has a first side 76 of the fixing part, a second side 78 of the fixing part at an angle with the first side 76 of the fixing part, and a connection between the first side 76 of the fixing part and the second side of the fixing part 78, the arc-shaped side 79 of the fixture, the fixture 18 has a first side 80 of the fixture, a second side 82 of the fixture opposite to the first side 80 of the fixture, and a second side 82 of the fixture connected to the first side 80 of the fixture. The arc-shaped side 84 of the mounting part and the connecting side 86 of the mounting part connected to the second side 82 of the mounting part, and the arc-shaped side 84 of the mounting part is connected to the connecting side 86 of the mounting part. When the upper embedded hinge device 12 is in the closed state, the first side 76 of the fixing part is roughly parallel or flush with the first side 80 of the mounting part, and the second side 78 of the fixing part is roughly parallel or flush with the connecting side 86 of the mounting part. Align, the arc-shaped side 79 of the fixing part fits with the arc-shaped side 84 of the mounting part. away from the curved edge 84 of the mount. Therefore, the appearance of the structure is further improved, and the structure is more compact. Here, the arc side of the fixing part 20 forms the outer arc side of the first receiving part 46 , and the arc side 84 of the mounting part forms the inner arc side of the second receiving part 52 .

Specifically, the side on which the embedded hinge device is installed on the left and right sides of the refrigerator is the rotating side. When the door body 11 is in the closed state, the door body 11 has a door body side wall 88 close to the rotating side, and is far away from the box body 10 in the closed state. The front wall 89 of the door body, when the upper embedded hinge device 12 is in the closed state, the door body 11 is in the closed state. At this time, the first side edge 76 of the fixing part, the first side edge 80 of the mounting part and the side wall 88 of the door body are all They are roughly parallel or flush, and the second side 78 of the fixing part, the connecting side 86 of the mounting part and the front wall 89 of the door body are all roughly parallel or flush.

The intermediate assembly 24 includes an intermediate plate 90, one of the first arc-shaped groove 26 and the first fitting 28 is disposed on the intermediate plate 90, and one of the second arc-shaped groove 30 and the second fitting 32 is also disposed on the middle plate 90. on the middle plate 90. Of course, the intermediate assembly 24 can also include a plurality of intermediate plates 90, and the plurality of intermediate plates 90 are movably connected, as long as the fixing member 20 can move relative to the mounting member 18 through the intermediate assembly 24, so that the door body 11 can be opened at a certain angle and Just close it. Specifically in this embodiment, the first arc-shaped groove 26 and the second arc-shaped groove 30 are both arranged on the middle plate 90, the first adapter 28 is arranged on the mounting piece 18, and the second adapter 32 is arranged on the fixed Pieces 20 on.

Preferably, the middle plate 90 is fan-shaped. With such an arrangement, the structure is compact and reliable, and the material is saved in addition so that the cost is low. Of course, the middle plate 90 can also be set in other shapes.

The box body 10 has a box body side wall 91 adjacent to the rotating side. The outer surface of the box body side wall 91 defines a first plane. When the door body 11 is opened, the door body 11 is completely on the same plane as the box body 10 on the first plane. side. That is to say, during the opening process of the door body 11 , the embedded hinge device can make the door body 11 move a distance away from the rotating side, so that the door body 11 does not exceed the extension line of the side wall of the box body 10 . In this way, the opening of the box body 10 can be increased, the opening space facing the user can be increased, and the problem that the drawer in the box body 10 cannot be opened due to the interference of the door body 11 can be avoided. Specifically, when the opening angle of the door body 11 is from 0 degrees to 90 degrees, the door body 11 is completely located on the same side of the first plane as the box body 10 .

In this preferred embodiment, the first arc-shaped groove 26 and the second arc-shaped groove 30 have the same arc center. Further, the first arc-shaped slot 26 and the second arc-shaped slot 30 have the same arc center angle. Of course, the first arc-shaped slot 26 and the second arc-shaped slot 30 can also be set to have different arc centers.

Specifically, the side wall 88 of the door body meets the front wall 89 of the door body to form a side edge 94. When the door body 11 is in a closed state, the arc centers of the first arc-shaped groove 26 and the second arc-shaped groove 30 are located on the side edge 94. superior. Of course, the arc centers of the first arc-shaped groove 26 and the second arc-shaped groove 30 can also be set at other positions. The outer surface of the door body front wall 89 defines a second plane. When the door body 11 is in a closed state, the common arc center of the first arc-shaped groove 26 and the second arc-shaped groove 30 is located on the first plane or the second plane, Or the common arc center of the first arc-shaped groove 26 and the second arc-shaped groove 30 is located on the same side of the first plane as the box body 10, and the common arc center of the first arc-shaped groove 26 and the second arc-shaped groove 30 is on the same side as the door body 11 is located on both sides of the second plane.

Specifically in this embodiment, the first fitting 28 includes a first pin 98 and a second pin 100 spaced apart from the first pin 98, and both the first pin 98 and the second pin 100 are connected to the first pin 98. An arc groove 26 is matched. Therefore, the first fitting part 28 is mated with the first arc-shaped slot 26 , so that the intermediate assembly 24 rotates relative to the mounting part 18 with the arc center of the first arc-shaped slot 26 as the first rotation axis 34 . Of course, the first fitting 28 can also be configured to include a first arc-shaped matching portion 70 that fits with the first arc-shaped slot 26 , so that the intermediate assembly 24 can also be formed with the first arc-shaped slot relative to the mounting piece 18 . The arc center of 26 is that the first rotation axis 34 rotates. Further, both the first pin 98 and the second pin 100 can be configured as balls or other sliding and rolling structures.

The second fitting 32 includes a first guide pin 102 and a second guide pin 104 spaced apart from the first guide pin 102, and both the first guide pin 102 and the second guide pin 104 are matched with the second arc-shaped groove 30 . Therefore, the second fitting part 32 is mated with the second arc-shaped slot 30 , so that the fixing part 20 rotates relative to the intermediate assembly 24 with the arc center of the second arc-shaped slot 30 as the second rotation axis 36 . Similarly, the second fitting part 32 can also be configured to include a second arc fitting part 70 that is compatible with the second arc groove 30 , so that the fixing part 20 can also be formed with the second arc groove relative to the intermediate component 24 . The arc center of 30 rotates for the second rotation axis 36 . Likewise, both the first guide pin 102 and the second guide pin 104 can be configured as balls or other sliding and rolling structures.

The connection structure between the lower embedded hinge device 14 and the door body 11 and the box body 10 is symmetrically arranged with the upper embedded hinge device. The other difference between the upper embedded hinge device 12 and the lower embedded hinge device 14 is that the lower embedded hinge device The device 14 is provided with an auxiliary load-bearing structure 16 supported on the ground. The structure in which the lower embedded hinge device 14 and the upper embedded hinge device 12 are symmetrically arranged will not be described in detail below, and only the different parts thereof, that is, the auxiliary load-bearing structure 16 will be described in detail.

The lower embedded hinge device 14 includes a support column 108 fixedly arranged on the lower hinge mounting part 106 and supported on the ground, a connecting part 114 rotatably connected to the lower hinge fixing part 112 through a pivot 110, and the connecting part 114 is provided with There is a long hole 116 extending longitudinally along the extending direction of the connecting piece 114. When the door body 11 rotates relative to the box body 10, the lower hinge fixing part 112 rotates relative to the lower hinge intermediate assembly 24118, and the lower hinge intermediate assembly 118 rotates relative to the lower hinge intermediate assembly 118. As hinge mount 106 rotates, link 114 rotates and slides relative to support column 108 . Such setting makes the opening or closing of the door body 11 more stable.

As shown in FIG. 11 , the present invention provides a second preferred embodiment. The difference between this preferred embodiment and the first preferred embodiment is that the first arc-shaped groove 120 and the second arc-shaped groove 124 have different arc centers. In this embodiment, the above embedded hinge device is taken as an example for detailed introduction.

Similarly, the left and right sides of the refrigerator are defined as the side where the embedded hinge device is set as the rotating side, the box body 121 has a box body side wall 124 adjacent to the rotating side, the outer surface of the box body side wall 124 defines a first plane 130, and the door When the body 123 is in the closed state, the door body 123 has a door body side wall 126 close to the rotating side, and a door body front wall 128 away from the box body 121 in the closed state, and the outer surface of the door body front wall 128 defines a second plane 132 . Specifically, the arc center line AB between the arc center A of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 124 is located on the same side of the first plane 130 as the box body 121 and the first arc-shaped groove The arc center line AB between the arc center A of 120 and the arc center B of the second arc groove 124 and the door body 123 are located on both sides of the second plane 132 .

Further, the vertical distance from the arc center A of the first arc-shaped slot 120 to the box body 121 is smaller than the vertical distance from the arc center B of the second arc-shaped slot 124 to the box body 121, that is to say, the vertical distance of the first arc-shaped slot 120 The arc center A is closer to the box body 121 than the arc center B of the second arc groove 124 . Of course, it can also be set such that the vertical distance from the arc center A of the first arc-shaped slot 120 to the box body 121 is greater than or equal to the vertical distance from the arc center B of the second arc-shaped slot 124 to the box body 121 . Specifically, the arc center A of the first arc-shaped groove 120 is located on the second plane 132, and the line AB between the arc center A of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 124 perpendicular to the second plane 132 . Certainly, the arc center line AB between the arc center A of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 124 can also be set at other angles with the second plane 132, as long as the arc center line is guaranteed AB and the box body 121 are located on the same side of the first plane 130 and the line connecting the arc center AB and the door body 123 is located on both sides of the second plane 132, which can ensure that when the door body 123 is opened, the door body 123 is always on the same side as the box body 121. On the same side of the first plane 130 , that is to say, the door 123 will never exceed the side wall 124 of the box body, so that even when the refrigerator is placed in a small space, it will not affect the opening of the door 123 .

As shown in FIG. 12 , the present invention provides a third preferred embodiment. The difference between this preferred embodiment and the second preferred embodiment is that the arc center positions of the first arc-shaped groove and the second arc-shaped groove are set differently. In this embodiment, the above embedded hinge device is taken as an example for detailed introduction.

In this preferred embodiment, the box body side wall 146 defines a first plane 143, and the door body front wall 145 defines a second plane 141. When the door body 140 is in the closed state, that is, when the upper embedded hinge device is in the closed state , the arc center line CD between the arc center C of the first arc groove (not shown) and the arc center D of the second arc groove (not shown) is on the second plane 141, and the first arc The arc center line CD between the arc center C of the groove and the arc center D of the second arc-shaped slot is located on the same side of the first plane 143 as the box 142 , and the arc center line CD is perpendicular to the first plane 143 . Specifically, the arc center C of the first arc-shaped groove is located on the side edge where the door body side wall 144 and the door body front wall 145 intersect, and the arc center D of the second arc-shaped groove is located on the second plane 141 .

As shown in FIG. 12 , the present invention provides a fourth preferred embodiment. The difference between this preferred embodiment and the second preferred embodiment is that the arc center positions of the first arc-shaped groove and the second arc-shaped groove are set differently. In this embodiment, the above embedded hinge device is taken as an example for detailed introduction.

In this preferred embodiment, the box body side wall 151 defines a first plane 149, and the door body front wall 153 defines a second plane 150. When the door body 148 is in the closed state, that is, when the upper embedded hinge device is in the closed state , the arc center line EF between the arc center E of the first arc-shaped groove and the arc center F of the second arc-shaped groove is located on the first plane 149, and the arc center E of the first arc-shaped groove and the second arc-shaped groove The arc center connection line EF between the arc center F and the door body 148 is located on both sides of the second plane 150 , and the arc center connection line EF is perpendicular to the second plane 150 . Specifically, the arc center E of the first arc-shaped groove is located on the side edge where the door body side wall 152 and the door body front wall 153 intersect, and the arc center F of the second arc-shaped groove is located on the first plane 149 .

As shown in Figures 13 to 16, the fifth preferred embodiment provided by the present invention discloses a refrigerator, which includes a box body 156, a door body 158 for opening or closing the box body 156, and a Between the box body 156 and the door body 158 so that the door body 158 can open a certain angle relative to the box body 156, the embedded hinge device includes an upper embedded hinge device 160 and a lower embedded hinge device (not shown). ), in this embodiment, the above embedded hinge device 160 is taken as an example for detailed introduction.

The box body 156 is provided with a guide piece 162 matched with the upper embedded hinge device 160, the guide piece 162 makes the upper embedded hinge device 160 move linearly with the door body 158 relative to the box body 156, and the guide piece 162 is provided with The limit pin shaft 164 that can be matched with or disengaged from the upper embedded hinge device 160, when the limit pin shaft 164 is matched with the upper embedded hinge device 160, the upper embedded hinge device 160 is limited to drive the door body 158 to rotate, When the limit pin shaft 164 is disengaged from the upper embedded hinge device 160 , the upper embedded hinge device 160 is allowed to drive the door body 158 to rotate. When the door body 158 is changed from the closed state to the open state, due to the guidance of the guide member 162 and the restriction of the stop pin shaft 164, the upper embedded hinge device 160 first moves linearly with the door body 158 in a direction away from the box body 156. A certain distance, until the limit pin shaft 164 is disengaged from the upper embedded hinge device 160, and then the upper embedded hinge device 160 is allowed to drive the door body 158 to rotate. When the door body 158 is changed from the open state to the closed state, the upper embedded hinge device 160 first drives the door body 158 to rotate a certain angle relative to the box body 156, and when the limit pin shaft 164 is rotated to match the upper embedded hinge device 160 At this time, the upper embedded hinge device 160 is limited to drive the door body 158 to rotate, and then the upper embedded hinge device 160 and the door body 158 move linearly along the guide 162 toward the direction close to the box body 156 until the door body 158 and the door body 158 The box body 156 fits together, so that the door body 158 reaches a closed state.

When the refrigerator is placed in a small space, the side wall of the box body 156 is relatively close to the wall, and when the box body 156 is placed deep, the wall will affect the opening of the door body 158 . In this preferred embodiment, it is set that when the door body 158 is opened, the door body 158 is first moved relative to the box body 156 to a distance away from the box body 156, so that it is no longer interfered by the wall, and then the door body can be opened. 158 is rotated at a certain angle relative to the box body 156 to open the door body 158 . Therefore, in the refrigerator provided by this embodiment, the opening of the door body 158 is not limited by the placement space, and the application range is wider.

Specifically, the guide 162 has a U-shaped groove 165 extending along the direction in which the door body 158 moves linearly. The U-shaped groove 165 is matched with the embedded hinge device, and the embedded hinge device is provided with a stopper 166. When the stopper When the portion 166 abuts against the guide piece 162 , the embedded hinge device and the door body 158 are restricted from moving linearly away from the box body 156 .

In this preferred embodiment, the upper embedded hinge device 160 also includes a mounting piece 168, a fixing piece 170 fixed on the door body 158, and an intermediate assembly 172 arranged between the mounting piece 168 and the fixing piece 170. The intermediate assembly 172 is opposite to The mounting part 168 is movably arranged, and the fixing part 170 is movably arranged relative to the intermediate component 172 . The intermediate component 172 and the fixing part 170 move on the same plane, and the movement trends of the intermediate component 172 and the fixing part 170 are in the same direction. Another difference between this preferred embodiment and the first embodiment is that in this embodiment, the mounting part 168 is slidably arranged on the guide part 162, the guide part 162 is fixedly arranged on the box body 156, and the fixing part 170 is provided with a The limit groove 174 where the limit pin shaft 164 is mated or disengaged. Other parts, such as the connection mode and motion form of the intermediate assembly 172 and the mounting part 168, the connection mode and motion form of the fixing part 170 and the intermediate assembly 172, and when closing and opening states, the mounting part 168, the intermediate assembly 172 and the fixing part The relative positional relationship of 170 is the same as that of the first embodiment, and will not be described in detail here. Furthermore, when the door is closed, the arc centers of the first arc-shaped groove 176 and the second arc-shaped groove 178 can be set to the same arc center as in the first embodiment, and the first arc-shaped groove 176 and the second arc-shaped groove 178 The position of the arc center and the relationship between them can also be set as the forms introduced in the second to fourth embodiments.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (10)

1. An embedded hinge device, the embedded hinge device comprises a mounting part, a fixing part and an intermediate assembly located between the mounting part and the fixing part, characterized in that, The intermediate assembly is movably arranged relative to the installation part, the fixed part is movably arranged relative to the intermediate assembly, the intermediate assembly and the fixed part move on the same plane, and the movement tendency of the intermediate assembly and the fixed part same direction, The mount has a mount first side, a mount second side angled from the mount first side, and a mount connecting the mount first side and the mount second side. An arc-shaped side of the mounting part, the mounting part has a first side of the mounting part, a second side of the mounting part opposite to the first side of the mounting part, and an arc of the mounting part connected to the first side of the mounting part The shaped side and the mounting part connecting side connected to the second side of the mounting part, and the arc-shaped side of the mounting part is connected to the connecting side of the mounting part, The embedded hinge device has a closed state and an open state. In the closed state, the first side of the fixing part is roughly parallel or flush with the first side of the mounting part, and the second side of the fixing part It is roughly parallel or flush with the connecting side of the mounting part, and the arc-shaped side of the fixing part fits with the arc-shaped side of the mounting part. The sides form a certain angle, and the arc-shaped side of the fixing part is far away from the arc-shaped side of the mounting part. 2. The embedded hinge device according to claim 1, characterized in that, the intermediate component comprises an intermediate plate, and the intermediate plate is provided with a first arc-shaped groove and a second arc-shaped groove, and on the mounting part There is a first matching piece matched with the first arc-shaped groove, a second fitting piece matched with the second arc-shaped groove is provided on the fixing piece, and the middle plate is relatively opposite to the The mounting part rotates around the arc center of the first arc-shaped groove, the fixed part rotates around the arc center of the second arc-shaped groove relative to the middle plate, and the first arc The arc center of the arc-shaped groove and the arc center of the second arc-shaped groove are located on the same side of the first arc-shaped groove and the second arc-shaped groove. 3. The embedded hinge device according to claim 2, wherein the first arc-shaped groove and the second arc-shaped groove have the same arc center. 4. The embedded hinge device according to claim 2, characterized in that, the middle plate is fan-shaped. 5. The built-in hinge device according to claim 2, wherein the fixing part comprises a fixing part and a first receiving part forming a first receiving groove, and the mounting part comprises a mounting part and a second receiving groove formed In the closed state, the middle plate is completely accommodated in the first storage slot and the second storage slot, and when it moves from the closed state to the open state, part of the middle plate moves out of the first storage slot. A receiving slot, part of the middle board moves out of the second receiving slot. 6. The embedded hinge device according to claim 5, wherein the fixing member comprises an upper fixing plate and a lower fixing plate, and the upper fixing plate has a connecting portion fixedly connected with the lower fixing plate and A spacer spaced at a certain distance from the lower fixing plate, the connecting portion and part of the lower fixing plate form a fixing part, the spacer and part of the lower fixing plate form a first receiving part, and the first receiving The slot is an arc slot with openings at both ends. 7. The embedded hinge device according to claim 5, wherein the mounting part comprises an upper mounting plate and a lower mounting plate, and the upper mounting plate has a mating portion fixedly connected with the lower mounting plate and a partition part spaced a certain distance from the lower mounting plate, the mating part and part of the lower mounting plate form a mounting part, and the partition part and part of the lower mounting plate form a second receiving part. 8. The embedded hinge device according to claim 2, wherein the first arc-shaped groove and the second arc-shaped groove have different arc centers. 9. The embedded hinge device according to claim 2, wherein the first fitting comprises a first pin and a second pin spaced apart from the first pin, and the first pin Both the first column pin and the second column pin are matched with the first arc-shaped groove. 10. The embedded hinge device according to claim 2, wherein the second fitting includes a first guide pin and a second guide pin spaced apart from the first guide pin, and the first guide pin The first guide pin and the second guide pin are matched with the second arc-shaped groove.