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WO2021197289A1 - Mécanisme de pliage et dispositif électronique - Google Patents

Mécanisme de pliage et dispositif électronique Download PDF

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Publication number
WO2021197289A1
WO2021197289A1 PCT/CN2021/083769 CN2021083769W WO2021197289A1 WO 2021197289 A1 WO2021197289 A1 WO 2021197289A1 CN 2021083769 W CN2021083769 W CN 2021083769W WO 2021197289 A1 WO2021197289 A1 WO 2021197289A1
Authority
WO
WIPO (PCT)
Prior art keywords
linkage
rotating
movable
folding mechanism
rotating shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/083769
Other languages
English (en)
Chinese (zh)
Inventor
任旭锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of WO2021197289A1 publication Critical patent/WO2021197289A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • the present invention relates to the technical field of communication equipment, in particular to a folding mechanism and electronic equipment.
  • electronic devices can provide people with more and more services and conveniences, and people's demand for electronic devices with larger display areas is gradually increasing.
  • the display area of an electronic device increases, its portability may decrease to a certain extent, which is not conducive to improving user experience.
  • the invention discloses a folding mechanism and an electronic device, which can solve the problem that the current electronic device cannot balance between increasing the display area and improving the portability.
  • an embodiment of the present invention provides a folding mechanism, which is applied to an electronic device, the electronic device includes at least two supports, and the folding mechanism includes:
  • each of the support members is connected to at least one of the linkage members, each linkage member includes a rotating part and a movable part, the rotating part is rotatably connected with the rotating shaft, and the movable part The first end is connected with the support, and the second end of the movable part is connected with the rotating part;
  • the movable portion has a first state and a second state.
  • the distance between the first end of the movable portion and the rotating shaft is a first distance
  • the movable portion In the second state the distance between the first end of the movable portion and the rotating shaft is a second distance
  • the first distance is smaller than the second distance.
  • an embodiment of the present invention provides an electronic device, which includes: at least two support members and the above-mentioned folding mechanism.
  • the folding mechanism includes a rotating shaft and at least two linkage members. The linkage is connected, and the rotating part of each linkage is rotatably connected with the rotating shaft.
  • the folding mechanism disclosed in the present invention can be applied to electronic equipment, and the display module can be supported on a supporting member, each supporting member is connected with at least one of the linkage members, and the rotating part of each linkage member rotates with the rotating shaft Connection, so that at least two supporting members can be connected to the rotating shaft through the linkage member, and any two supporting members can be relatively rotated to perform folding and unfolding actions, ensuring that the electronic device with a larger display area is reduced by folding Small overall size improves carrying performance.
  • the first end of the movable part of the linkage can be connected with the support in the electronic device, the second end of the movable part is movably connected with the rotating part, the movable part has a first state and a second state, and the movable part is in the first state.
  • the distance between the first end of the movable part and the rotating shaft is the first distance and the second distance respectively.
  • Figure 1 is one of the exploded schematic diagrams of part of the structure of the folding mechanism disclosed in the embodiment of the present invention
  • FIG. 2 is the second exploded schematic diagram of part of the structure of the folding mechanism disclosed in the embodiment of the present invention.
  • Figure 3 is the third exploded schematic view of part of the structure of the folding mechanism disclosed in the embodiment of the present invention.
  • Figure 5 is a fifth exploded schematic view of a part of the structure of the folding mechanism disclosed in the embodiment of the present invention.
  • Fig. 6 is a sixth exploded schematic view of part of the structure of the folding mechanism disclosed in the embodiment of the present invention.
  • Fig. 7 is a schematic structural diagram of a folding mechanism disclosed in an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the structure of the supporting portion in the folding mechanism disclosed in the embodiment of the present invention.
  • Figure 9 is an assembly diagram of the first linkage in the folding mechanism disclosed in the embodiment of the present invention.
  • FIG. 10 is an assembly diagram of the second linkage in the folding mechanism disclosed in the embodiment of the present invention.
  • FIG. 11 is an exploded schematic diagram of part of the structure in the electronic device disclosed in the embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a part of the structure of the electronic device disclosed in the embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present invention.
  • 700-support 710-first support bar, 720-second support bar, 730-connector, 740-elastic support sheet,
  • the present invention discloses a folding mechanism and an electronic device.
  • the electronic device includes a folding mechanism and at least two support members 900.
  • the two support members 900 can be folded
  • the mechanism forms a connection relationship, which enables the two support members 900 to have the ability to rotate relative to each other.
  • the folding mechanism may include a rotating shaft 100 and at least two linkage members.
  • Each of the supporting members is connected with at least one of the linkage members.
  • the number of linkage members may be two, and the two linkage members are connected to the two support members 900 respectively.
  • the number of linkage members can be greater than the number of support members 900, that is, one support member 900 can be connected to multiple linkage members at the same time.
  • the linkage is installed on the rotating shaft 100 to ensure that the two support members 900 connected by the folding mechanism can rotate relative to each other, so that the size of the electronic device with a relatively large plane size is relatively small in all directions by folding. , It is easy to carry; at the same time, the unfolded electronic device also has a larger plane area, which can increase the display area of the electronic device and improve the user experience.
  • each linkage includes a rotating part and a movable part.
  • the rotating part is rotatably connected with the rotating shaft 100 to ensure that the entire linkage can rotate relative to the rotating shaft 100.
  • the rotating part can be rotatably connected with the rotating shaft 100 through shaft hole fitting or hinges.
  • the rotating shaft 100 may be a cylindrical rod-shaped structure, and the rotating part may be sleeved on the rotating shaft 100, so that the rotating part and the rotating shaft 100 form a reliable rotational connection relationship.
  • the formation process of this structure is relatively simple and the rotational connection relationship Relatively stable.
  • the opposite ends of the movable part are the first end 310 and the second end 320 respectively.
  • the first end 310 is connected to the support 900, and the second end 320 is movably connected to the rotating part, so as to ensure that the support 900 can be connected to the rotating shaft 100.
  • the movable part has a first state and a second state. Wherein, when the movable part is in the first state, the distance between the first end 310 of the movable part and the shaft 100 is the first distance, and when the movable part is in the second state, the first end 310 of the movable part is connected to the shaft 100 The distance 100 is the second distance. Since the first end 310 of the movable part is connected to the supporting member 900, the distance between the first end 310 of the movable part and the rotating shaft 100 can also represent the distance between the two supporting members 900.
  • the distance between the two support members 900 in the folded state and the unfolded state can be changed, and the track size between the two ends of the electronic device changes with the change in the folded and unfolded state.
  • the surface size is compensated to ensure that the electronic device has the ability to be foldable.
  • the folding mechanism disclosed in the embodiment of the present invention when the folding mechanism disclosed in the embodiment of the present invention is applied to an electronic device, the electronic device in the unfolded state has a larger display area, so that the display area of the electronic device can be increased, and the folding mechanism can be used to increase the display area of the electronic device.
  • the electronic device is in a folded state to reduce the overall size of the electronic device, so that the portable performance of the electronic device can be improved.
  • the number of linkage members may be greater than the number of support members 900 to connect one support member through multiple linkage members.
  • 900 Improve the connection reliability of the support 900 and the folding mechanism.
  • the number of the rotating shaft 100 can be one, and each rotating member can be connected to the rotating shaft 100. Considering that two linkages connected to the same rotating shaft 100 may interfere with each other during relative rotation, therefore, in order to ensure that the folding and unfolding actions of the folding mechanism can be performed better, optionally, as shown in the figure As shown in 1, the number of rotating shafts 100 can be two, and the two rotating shafts 100 are arranged at intervals, which can provide a space for the linkage to prevent the two linkages from interfering with each other during relative rotation.
  • the folding mechanism further includes a connecting seat 400.
  • the connecting seat 400 has two positioning holes.
  • the two rotating shafts 100 can be inserted into the two positioning holes, respectively, so that the The folding mechanism of the two rotating shafts 100 has a unique axis of rotation, which ensures that the folding mechanism can normally perform folding and unfolding actions.
  • the connecting seat 400 may be formed of a hard material such as metal or plastic, so as to ensure that the two rotating shafts 100 connected to the connecting seat 400 will not produce relative displacement.
  • the connecting seat 400 may be arranged at the end of the rotating shaft 100 or in the middle of the rotating shaft 100.
  • the positioning hole on the connecting seat 400 may be a hole formed through the connecting seat 400. In order to ensure that the rotating shaft 100 can penetrate into the connecting seat 400 from the positioning hole, the connecting seat 400 can have a positioning effect on the two rotating shafts 100.
  • the positioning holes of the plurality of connecting seats 400 may all be through holes.
  • the plurality of connecting seats 400 can be inserted on the two rotating shafts 100.
  • the plurality of connecting seats 400 are arranged at intervals, which can further ensure that there will be no relative displacement between the two rotating shafts 100, and the rotating shaft 100 will not be deformed due to force.
  • the structures and sizes of the multiple connecting bases 400 can be correspondingly the same, so as to reduce the difficulty of spare parts and assembly.
  • multiple linkages are provided, and the multiple linkages include two linkages arranged opposite to each other in a direction perpendicular to the axial direction of the rotating shaft 100, the two linkages are respectively connected to the two rotating shafts 100, and the two The linkage members are respectively connected to the two support members 900. Since the two linkage members are arranged opposite to each other, the positions of the forces acting on the support members 900 by the two linkage members can be approximated during the process of folding and unfolding the folding mechanism. The folding and unfolding actions of the two supports 900 can be made more stable.
  • the actual number of linkage members can be determined according to the size of the entire folding mechanism and the size of the linkage member itself.
  • a plurality of linkage members can be arranged in pairs, and the two linkage members in any pair are arranged oppositely, which can further improve the reliability and stability of the folding mechanism.
  • two adjacent pairs of linkages can be spaced apart along the axial direction of the rotating shaft 100 to further prevent interference between linkages.
  • a connecting seat 400 may be provided between two oppositely arranged linkages, so that the two linkages and the connecting seat 400 located between the two linkages are in the axial direction of the rotating shaft 100 and perpendicular to the axial direction.
  • a position-limiting matching relationship is formed in the direction of, to prevent relative movement between the two oppositely arranged linkages.
  • a notch can be provided on the rotating part of the linkage, so that when the two linkages are arranged oppositely, an installation space is formed between the rotating parts of the two linkages, and the connecting seat 400 can be installed in the aforementioned installation space. , So that the two linkage members can form a limiting relationship through the connecting seat 400.
  • the two linkages that are arranged oppositely can still rotate relative to each other, so that the two supporting members 900 can rotate relatively; and, in some embodiments, the two linkages 900
  • the two linkage members and the connecting seat 400 can move along the axial direction of the rotating shaft 100 relative to the rotating shaft 100 as an integral structure.
  • the linkage member includes a first linkage member and a second linkage member, and the first linkage member and the second linkage member They are arranged at intervals along the axial direction of the rotating shaft 100.
  • the structures of the first linkage and the second linkage are different.
  • the rotating part includes a first rotating part 210 and a second rotating part 220, and the movable part includes a first moving part 330 and a second moving part 340.
  • the first linkage includes a first rotating part 210 and a first movable part 330.
  • the first movable part 330 is movably connected with the first rotating part 210 along a direction perpendicular to the axial direction of the rotating shaft 100 .
  • the second linkage includes a second rotating portion 220 and a second movable portion 340.
  • the second movable portion 340 and the second rotating portion 220 rotate along the circumferential direction perpendicular to the axial direction of the rotating shaft 100 connect. Based on the above structure, both the first linkage member and the second linkage member can compensate the distance between the two support members 900.
  • the first movable portion 330 and the first rotating portion 210 can relatively move in a direction perpendicular to the axial direction of the rotating shaft 100, and the distance between the moving direction and the two supporting members 900 is Therefore, the distance between the two supports 900 can be directly compensated.
  • the second movable portion 340 and the second rotating portion 220 can rotate relative to each other about a direction perpendicular to the axial direction of the rotating shaft 100, so that the first end 310 and the second rotating portion of the second movable portion 340 can be changed.
  • the portion 220 compensates for the distance between the two support members 900 in a manner perpendicular to the effective length of the axial direction of the rotating shaft 100.
  • the second linkage changes the distance between the first end 310 of the second movable portion 340 and the rotating shaft 100 in a rotating manner. Since during the assembly process of the folding mechanism, the first end 310 of the second movable portion 340 and the supporting member 900 need to be relatively fixed in the axial direction of the rotating shaft 100, the second linking member needs to have an axially opposite rotating shaft. 100 can move to change the effective length of the first end 310 and the second end 320 in the second movable portion 340 in the direction perpendicular to the axial direction of the rotating shaft 100, so that the second movable portion 340 is in the first state and the second state respectively. In the second state, the distance between the first end 310 of the second movable portion 340 and the rotating shaft 100 can be changed.
  • the first rotating part 210 in the first linkage, is provided with a through hole, a movable cavity 211 and a matching opening 213, and the first rotating part 210 can be sleeved on the rotating shaft 100 through the through hole. Therefore, it is ensured that the first rotating part 210 can rotate relative to the rotating shaft 100.
  • the second end 320 of the first movable portion 330 is located in the movable cavity 211, the movable cavity 211 and the mating port are communicated with each other, and the first end 310 of the first movable portion 330 can be located outside the movable cavity 211 through the mating port 213.
  • the first movable portion 330 Since the distance between the first end 310 of the first movable portion 330 and the rotating shaft 100 is the size of the two in the direction perpendicular to the axial direction of the rotating shaft 100, the first movable portion 330 is in the first state In the case of making the movable cavity 211 close to the cavity wall of the rotating shaft 100 and the first movable portion 330 in a position-limiting fit, and when the first movable portion 330 is in the second state, the movable cavity 211 is moved away from the cavity wall of the rotating shaft 100 and The first movable part 330 is in position-limiting cooperation, which can ensure that the distance between the first end 310 of the first movable part 330 and the shaft 100 is changed when the first movable part 330 is switched between the first state and the second state. , And further compensate the distance between the two support members 900.
  • the size of the through hole can be slightly larger than the size of the rotating shaft 100 to ensure that the first rotating part 210 can be sleeved on the rotating shaft 100 and rotate relative to the rotating shaft 100.
  • the size of the movable cavity 211 in the direction perpendicular to the axial direction of the rotating shaft 100 can be determined according to the change value of the distance between the two support members 900, so as to ensure that the first movable part 330 movably arranged in the movable cavity 211 has the ability to compensate for the distance. .
  • the first movable portion 330 has an I-shaped structure, and the opposite ends are the first end 310 and the second end 320 respectively.
  • the movable cavity 211 may have a square structure, and the first movable portion 330 has a square structure.
  • the two ends 320 are arranged in the movable cavity 211.
  • the middle part of the first movable part 330 may be disposed at the mating port 213 communicating with the movable cavity 211 to connect the second end 320 located in the movable cavity 211 and the first end 310 located outside the movable cavity 211.
  • the movable cavity 211 may also be a closed structure or a semi-closed structure.
  • the first end 310 and the second end 320 of the first movable portion 330 can be formed in a detachable connection relationship. Therefore, in the process of assembling the first rotating part 210 and the first movable part 330, the second end 320 can be installed in the movable cavity 211 in advance, and then the second end 320 can be fixedly connected to the movable cavity 211 through the mating opening 213. On the first end 310 outside.
  • the movable cavity 211 can also be made of materials such as memory metal, and the structure of the first movable portion 330 can be changed so that the second end 320 of the first movable portion 330 can be installed in the movable cavity 211 through the fitting opening 213 , And then by restoring the deformation of the second end 320, the second end 320 of the first movable portion and the movable cavity 211 can be mutually restricted. Or, by making the first rotating part 210 a detachable structure, it can be ensured that the second end 320 of the first movable part 330 can be installed in the movable cavity 211, and the second end 320 can still be connected to the movable cavity 211. Form a reliable limit relationship between.
  • the first rotating part 210 is further provided with an assembling port, which communicates with the movable cavity 211, that is, the movable cavity 211 has an open structure, which can also ensure that the second end 320 of the first movable portion 330 can be installed to the movable cavity. Cavity 211.
  • the folding mechanism can ensure that the first movable portion 330 installed in the movable cavity 211 does not fall out of the movable cavity 211 by adding a cover plate to the movable cavity 211.
  • the folding mechanism disclosed in the present invention may further include a shaft seat 500, which is arranged toward the assembly port, and the shaft seat 500 is fixed on the first rotating part 210 so that the second end 320 of the first movable part 330 can be restricted. Between the first rotating part 210 and the shaft base 500, this can also prevent the second end 320 of the first movable part 330 from coming out of the movable cavity 211.
  • the shaft base 500 can also protect the rotating shaft 100 and the connecting base 400 on the rotating shaft 100 to a certain extent; at the same time, it can also make the overall structure of the folding mechanism relatively full and improve the structural stability of the folding mechanism.
  • two shaft holders 500 may also be provided, and the two shaft holders 500 correspond to the two shafts 100, and the two shaft holders 500 can be correspondingly installed on two oppositely arranged second shafts.
  • the shaft base 500 can rotate with the rotation of the first rotating part 210 to prevent the existence of the shaft base 500 from adversely affecting the folding and unfolding process of the folding mechanism.
  • the actual structure of the shaft holder 500 can be designed according to the specific structures of the rotating shaft 100 and the first rotating part 210 to ensure that the two shaft holders 500 will not follow the first rotating shaft 100 while providing protection for the shaft 100.
  • the rotating part 210 interferes with each other during the rotation, and does not interfere with other components in the folding mechanism.
  • the first movable part 330 can be perpendicular to The axial direction B of the rotating shaft 100 moves to achieve the purpose of changing the distance between the first end 310 of the first movable portion 330 and the rotating shaft 100.
  • the second end 320 of the second movable part 340 can be rotatably connected with the second rotating part 220, and when the second end 320 rotates relative to the second rotating part 220, the second end 320
  • the axial direction of the rotating shaft is perpendicular to the axial direction of the rotating shaft 100.
  • the first end 310 of the second movable portion 340 and the supporting member 900 also need to form a rotational connection relationship.
  • the first end 310 of the second movable portion 340 and the support member 900 are relatively fixed in the axial direction of the rotating shaft 100, in order to change the distance between the first end 310 of the second movable portion 340 and the rotating shaft 100, the distance between the first end 310 of the second movable portion 340 and the rotating shaft 100 is changed.
  • the second rotating part 220 can be displaced relative to the rotating shaft 100 along the axial direction of the rotating shaft 100.
  • the second rotating part 220 can move between the first position and the second position along the axial direction of the rotating shaft 100.
  • the second movable part 340 is in the first position.
  • the second movable part 340 is in the second state.
  • the second movable portion 340 may be a rod-shaped structure, the opposite ends of which are respectively a first end 310 and a second end 320, and the first end 310 is hinged to the support 900, and the second end 320 is connected to the second rotating part.
  • the part 220 is hinged, and the second rotating part 220 has the ability to produce displacement on the rotating shaft 100, so that when the second moving part 340 rotates relative to the second rotating part 220, the second moving part 340 is changed to be perpendicular to the axial direction of the rotating shaft 100.
  • the second rotating part 220 includes a main body 221 and a pin 222.
  • the main body 221 may be provided with a through hole and a connecting hole. It is sleeved on the rotating shaft 100 to ensure that the main body 221 can rotate relative to the rotating shaft 100.
  • the pin shaft 222 is disposed in the connecting hole, and the main body 221 and the second end 320 of the second movable part 340 are connected to each other through the pin shaft 222, so that a reliable connection between the main body 221 and the second end 320 of the second movable part 340 can be formed.
  • the rotation connection relationship When the second rotating part 220 adopts this structure, the assembly efficiency is high, the difficulty is low, and the overall stability of the structure is relatively high, which can ensure the comparison between the second movable part 340 and the second rotating part 220. Multiple rotations.
  • the second rotating part 220 when the second rotating part 220 rotates relative to the rotating shaft 100 in the direction A around the axis of the rotating shaft 100, the second rotating part 220 can also move along the rotating shaft. 100 moves in the axial direction C. During the movement of the second rotating part 220, the second end 320 of the second movable part 340 will move along with the second rotating part 220, so that the second movable part 340 is vertically vertical.
  • the rotation action in the circumferential direction D in the axial direction of the rotating shaft 100 achieves the purpose of changing the distance between the first end 310 of the second movable portion 340 and the rotating shaft 100.
  • the resetting process of the second rotating part 220 is opposite to the above-mentioned process. Considering that the text is concise, it will not be repeated here.
  • the folding mechanism disclosed in the embodiment of the present invention may further include an elastic resetting member 600.
  • one end of the elastic restoring member 600 can be connected to the second rotating part 220, and when the second rotating part 220 is in the first position, the elastic restoring member 600 is in a compressed or extended state, that is, When the folding mechanism is in the folded state, the elastic resetting member 600 has a certain elastic force due to being compressed or elongated, so that the elastic resetting member 600 generates a certain amount of elastic force when the folding mechanism is switched from the folded state to the unfolded state.
  • the elastic force can make the entire folding mechanism easier to switch to the unfolded state.
  • the elastic return member 600 can be in a natural state, so that the folding mechanism can be stabilized without being affected by other external forces. Keep it unfolded.
  • the elastic restoring member 600 can also be partially compressed or partially stretched, so that the elastic force provided by the elastic restoring member 600 can further prevent The folding mechanism automatically folds when it is not affected by other external forces.
  • the installation position of the elastic restoring member 600 determines the telescopic state of the elastic restoring member 600 when the second rotating part 220 is in the first position.
  • the second linkage member will move in the direction of squeezing the elastic reset member 600, so that the second rotating part 220 is in the first position.
  • the elastic restoring member 600 is in a compressed state; if the second linkage member moves in the direction of stretching the elastic restoring member 600 when the folding mechanism is switched from the unfolded state to the folded state, the second rotating part 220 is In the first position, the elastic return member 600 is in a stretched state.
  • the elastic restoring member 600 may be a member made of a material with elastic ability, such as a rubber member. Alternatively, it can also be a member with a predetermined shape formed of a conventional material, such as a spring.
  • the elastic return member 600 can be a compression spring, and the compression spring can be sleeved on the rotating shaft 100.
  • the compression spring can provide a better elastic return effect, and the difficulty and cost of spare parts of the compression spring are relatively low.
  • the rotating shaft 100 can also provide a guiding effect for the compression and extension processes of the compression spring, and prevent the compression spring from bending during the working process.
  • the opposite ends of the spring can be abutted and fixed on the connecting seat 400 and the second rotating part 220, respectively.
  • the second The linkage can also make the synchronization between the two support members 900 located on opposite sides of the folding mechanism better.
  • the second movable portion 340 is forced to drive the second rotating portion 220 to move, so that the second rotating portion 220 moves along the rotating shaft 100.
  • the second rotating portion 220 When the axial direction of the rotating shaft 100 is displaced relative to the rotating shaft 100, the second rotating portion 220 will affect the movement of another second linkage with the limit and cooperation, thereby driving the support 900 on the other side of the rotating shaft 100 to rotate. Moreover, with the help of the second linkage member of this structure, the entire folding mechanism can be prevented from being damaged due to the overturning of a certain support member 900.
  • the folding mechanism disclosed in the present invention may further include a support portion 700, and the support portion is located on the side of the linkage member where the support surface of the support member 900 is located, so that the support portion 700 and the support member 900 are used as the display module 800 together.
  • the supported member provides a supporting function, the connection reliability between the supported member such as the display module 800 and the folding mechanism is improved, and the service life of the supported member such as the display module 800 is improved.
  • the supporting portion 700 may have a plate-shaped structure or a strip-shaped structure.
  • the supporting portion 700 may be installed on the rotating shaft 100, or may also be installed on the linkage, or alternatively, a shaft seat is provided in the folding mechanism.
  • the supporting part 700 may also be mounted on the shaft base 500.
  • the supporting portion 700 may include a plurality of supporting bars, and the supporting portion 700 formed in a strip structure can provide a relatively better supporting effect during the deformation process of the supporting member such as the display module 800.
  • a plurality of support bars are arranged in sequence, and as the movable part is switched between the first state and the second state, the plurality of support bars can be relatively movable to provide support for the deformed display module 800 and other supporting members. effect.
  • the plurality of support bars may have a preset interval, or the specific structure of the support bars may be designed, such as forming avoidance chamfers, etc., to prevent the plurality of support bars from interfering with each other during relative movement.
  • the specific structure and number of the support bars can be determined according to the actual situation such as the specific size and structure of the supported member, and it is not limited here.
  • the plurality of supporting bars may include a first supporting bar 710 and a second supporting bar 720. Since the middle portion of the supported member such as the display module 800 hardly deforms during folding and unfolding, optionally, along In a direction perpendicular to the axial direction of the rotating shaft 100, the first supporting bar 710 can be relatively fixed to the rotating shaft 100, so that the first supporting bar 710 provides a better support effect for the middle of the supported member. In the case where two rotating shafts 100 are provided, and the two rotating shafts 100 are connected by the connecting seat 400, the first support bar 710 can be fixed on the connecting seat 400 by screws or other components.
  • the first support bar can be made 710 is also fixed on the connecting seat 400 between the two first linkage members, and the connecting seat 400 between the first support bar 710 and the second linkage member is relatively movable to ensure that the second linkage member can move along the shaft 100 The axial direction moves relative to the rotating shaft 100.
  • second support bars 720 are provided on opposite sides of the first support bar 710.
  • the second support bars 720 can support the parts on opposite sides of the middle of the supported member such as the display module 800.
  • the two-part structure Both will produce corresponding deformation as the folding and unfolding actions of the folding mechanism proceed. Therefore, each second support bar 720 can be installed on the rotating part to ensure that each second support bar 720 can move relative to the first support bar 710.
  • the planar structure or the arc structure formed by the first supporting bar 710 and the plurality of second supporting bars 720 can provide better support for the supported piece Effect.
  • the linkage when the linkage includes a first linkage and a second linkage, the second support bar can be installed on the first rotating portion 210 of the first linkage, and the second linkage can be moved along the rotating shaft 100. ⁇ axial direction moves relative to the second support bar 720.
  • the first rotating part 210 is provided with mounting holes 212 at opposite ends along the extension direction of the rotating shaft 100.
  • the axial direction of the mounting hole 212 is the same as the axial direction of the rotating shaft 100.
  • the support bar 720 may be provided with a through hole, and the connecting piece 730 can pass through the through hole and be inserted into the mounting hole 212.
  • the connecting piece 730 may be a pin or other component to connect the second support bar 720 with the first rotation through the connecting piece 730. ⁇ 210.
  • the specific structure and actual size of the mounting hole 212 can be determined correspondingly according to the actual structure and size of each component in the folding mechanism, which is not limited here.
  • the folding mechanism disclosed in the present invention may further include an elastic support sheet 740, which may be arranged on the side of the support bar away from the linkage member.
  • the elastic support sheet 740 can be connected to a plurality of support bars, so that the elastic support sheet 740 with a sheet-like structure can further improve the support effect on the supported parts such as the display module 800, and prevent the supported parts such as the display module 800 from being A failure occurred during folding and unfolding.
  • the elastic support sheet 740 may be a thin metal sheet.
  • the metal material also has a certain elasticity, and the hardness and structural stability of the metal are relatively high, and the supporting effect provided by it is relatively high. high.
  • the elastic support sheet 740 can also be made of other materials. Considering the conciseness of the text, it will not be listed here.
  • the specific size and shape of the elastic support sheet 740 can be determined according to the actual conditions of the folding mechanism and other components.
  • the elastic support sheet 740 can have a square structure and can be fixedly connected to multiple supports by bonding, riveting or welding. Article.
  • a plurality of elastic supporting sheets 740 there may be a plurality of elastic supporting sheets 740, and the plurality of elastic supporting sheets 740 may provide a better supporting effect for the supported parts such as the display module 800.
  • a plurality of elastic support pieces 740 can be arranged at intervals along the axial direction of the rotating shaft 100, which can improve the elastic deformation ability of each of the plurality of elastic support pieces 740 to a certain extent, and can improve the multiple supports to a certain extent.
  • the linkage effect between the bars at the same time, it can also prevent multiple support bars from being connected too tightly and losing relative mobility.
  • the elastic support sheet 740 it is also possible to pre-form a recessed area for installing the elastic support sheet 740 on a plurality of support bars, so that during the process of installing the elastic support sheet 740, the elastic support sheet 740 can be directly contained in the recessed area.
  • the connection reliability between the elastic support sheet 740 and the plurality of support bars can be further improved.
  • it can also prevent the elastic support sheet 740 from being protruded relative to the support bars, which adversely affects the supporting effect of the display module 800.
  • the embodiment of the present invention also discloses an electronic device.
  • the electronic device includes at least two support members 900 and any one of the above-mentioned folding mechanisms.
  • the folding mechanism includes a rotating shaft 100 and at least two linkage members.
  • the support 900 is connected with at least one linkage, and the rotating part of each linkage is rotatably connected with the rotating shaft 100, so that at least two supports 900 can form a rotational connection relationship, because the structure composition and connection relationship of the folding mechanism have been described above. A detailed description is given, and the text is considered concise, so I will not repeat it here.
  • the supporting member 900 may be a plate-shaped structure, which may be used to support supported members such as the display module 800, and the supporting member 900 may be made of metal or other materials, which can make the supporting member 900 have a higher structural strength and Service life.
  • the linkage includes a first linkage and a second linkage
  • the two support members 900 may be fixed on the first end 310 of the first movable part 330 by means of screws, and the second movable part may be fixed by means of screws.
  • the first end 310 of the 340 is also installed at the corresponding positions of the two support members 900, and the first end 310 of the second movable portion 340 is capable of rotating relative to the support member 900.
  • the number of support members 900 is three or more, the number of folding mechanisms is also increased accordingly, that is, a folding mechanism is provided between any two support members 900, so as to ensure that any two Each support 900 can perform folding and unfolding actions.
  • the overall size of the electronic device can be made relatively small by folding the electronic device, thereby improving the portability of the electronic device; by unfolding the electronic device, the electronic device has a larger area, so as to obtain Larger display area improves user experience.
  • the electronic device includes a display module 800, and the display module 800 is supported on the support 900.
  • the number of display modules 800 may be at least two, and multiple display modules 800 may be supported on multiple support members 900 respectively.
  • the number of display modules 800 may be one, and one display module 800 may be supported on multiple support members 900 at the same time.
  • the display module 800 It can be a flexible screen.
  • the electronic device disclosed in the embodiment of the present invention may be a smart phone, a tablet computer, an e-book reader, or a wearable device.
  • the electronic device may also be other devices, which is not limited in the embodiment of the present invention.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

Un mécanisme de pliage et un dispositif électronique sont divulgués dans la présente demande. Le dispositif électronique comprend au moins deux éléments de support. Le mécanisme de pliage comprend un arbre rotatif et au moins deux éléments de liaison. Chaque élément de support est relié à au moins un élément de liaison. Chaque élément de liaison comprend une partie rotative et une partie mobile. Les parties rotatives sont reliées de manière rotative à l'arbre rotatif. Les premières extrémités des parties mobiles sont reliées aux éléments de support, et les secondes extrémités des parties mobiles sont reliées aux parties rotatives. Les parties mobiles possèdent un premier et un deuxième état. Dans la situation dans laquelle les parties mobiles sont dans le premier état, la distance entre les premières extrémités des parties mobiles et l'arbre rotatif est une première distance. Dans la situation dans laquelle les parties mobiles sont dans le second état, la distance entre les premières extrémités des parties mobiles et l'arbre rotatif est une seconde distance. La première distance est plus petite que la seconde distance.
PCT/CN2021/083769 2020-03-30 2021-03-30 Mécanisme de pliage et dispositif électronique Ceased WO2021197289A1 (fr)

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CN114125109A (zh) * 2021-11-26 2022-03-01 维沃移动通信有限公司 折叠支撑装置和电子设备
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CN112696426B (zh) * 2020-12-22 2022-03-11 维沃移动通信有限公司 铰链机构、折叠机构及电子设备
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CN112764465B (zh) * 2020-12-31 2022-11-29 维沃移动通信有限公司 折叠机构及电子设备
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CN116498641A (zh) * 2022-01-18 2023-07-28 荣耀终端有限公司 一种转轴机构和电子设备

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