WO2021197289A1 - 折叠机构及电子设备 - Google Patents

折叠机构及电子设备 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
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WO
WIPO (PCT)
Prior art keywords
linkage
rotating
movable
folding mechanism
rotating shaft
Prior art date
Application number
PCT/CN2021/083769
Other languages
English (en)
French (fr)
Inventor
任旭锋
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2021197289A1 publication Critical patent/WO2021197289A1/zh

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    • 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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Abstract

本申请公开一种折叠机构及电子设备，电子设备包括至少两个支撑件，折叠机构包括转轴和至少两个联动件，每个支撑件至少与一个联动件连接，各联动件均包括转动部和活动部，转动部与转轴转动连接，活动部的第一端与支撑件连接，活动部的第二端与转动部连接；活动部具有第一状态和第二状态，在活动部处于第一状态的情况下，活动部的第一端与转轴的间距为第一间距，在活动部处于第二状态的情况下，活动部的第一端与转轴的间距为第二间距，第一间距小于第二间距。

Description

折叠机构及电子设备
交叉引用
本发明要求在2020年03月30日提交中国专利局、申请号为202010238705.2、发明名称为“折叠机构及电子设备”的中国专利申请的优先权，该申请的全部内容通过引用结合在本发明中。
技术领域
本发明涉及通信设备技术领域，尤其涉及一种折叠机构及电子设备。
背景技术
随着科技的进步，电子设备可以为人们提供越来越多的服务和便利性，且人们对具有较大显示面积的电子设备的需求逐渐提升。但是，随着电子设备的显示面积增大，其便携性能就可能会出现一定的下降，这不利于提升用户体验。
发明内容
本发明公开一种折叠机构及电子设备，能够解决目前电子设备在增大显示面积和提升便携性之间不能兼顾的问题。
为了解决上述问题，本发明实施例是这样实现地：
第一方面，本发明实施例提供了一种折叠机构，应用于电子设备，所述电子设备包括至少两个支撑件，所述折叠机构包括：
转轴；
至少两个联动件，每个所述支撑件至少与一个所述联动件连接，各所述联动件均包括转动部和活动部，所述转动部与所述转轴转动连接，所述活动部的第一端与所述支撑件连接，所述活动部的第二端与所述转动部连接；
所述活动部具有第一状态和第二状态，在所述活动部处于第一状态的情 况下，所述活动部的第一端与所述转轴的间距为第一间距，在所述活动部处于所述第二状态的情况下，所述活动部的第一端与所述转轴的间距为第二间距，所述第一间距小于所述第二间距。
第二方面，本发明实施例提供了一种电子设备，其包括：至少两个支撑件和上述折叠机构，所述折叠机构包括转轴至少两个联动件，每个所述支撑件至少与一个所述联动件连接，各所述联动件的转动部均与所述转轴转动连接。
本发明公开的折叠机构可以应用在电子设备中，且显示模组能够支撑在支撑件上，每个所述支撑件至少与一个所述联动件连接，且各联动件的转动部均与转轴转动连接，从而可以使至少两个支撑件能够通过联动件与转轴连接，且任意两个支撑件均可以相对转动，以进行折叠和展开动作，保证具有较大显示面积的电子设备通过折叠的方式减小整体尺寸，提升携带性能。同时，联动件的活动部的第一端能够与电子设备中的支撑件连接，活动部的第二端与转动部活动连接，活动部具有第一状态和第二状态，活动部在第一状态和第二状态之间切换时，活动部的第一端与转轴之间的间距分别为第一间距和第二间距，通过使第一间距小于第二间距，能够保证采用本发明公开的折叠机构的电子设备在折叠和展开过程中，不会因电子设备中各部件之间间距发生变化而损坏电子设备。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本发明实施例公开的折叠机构中部分结构的分解示意图之一；
图2为本发明实施例公开的折叠机构中部分结构的分解示意图之二；
图3为本发明实施例公开的折叠机构中部分结构的分解示意图之三；
图4为本发明实施例公开的折叠机构中部分结构的分解示意图之四；
图5为本发明实施例公开的折叠机构中部分结构的分解示意图之五；
图6为本发明实施例公开的折叠机构中部分结构的分解示意图之六；
图7为本发明实施例公开的折叠机构的结构示意图；
图8为本发明实施例公开的折叠机构中支撑部的结构示意图；
图9为本发明实施例公开的折叠机构中第一联动件的装配图；
图10为本发明实施例公开的折叠机构中第二联动件的装配图；
图11为本发明实施例公开的电子设备中部分结构的分解示意图；
图12为本发明实施例公开的电子设备中部分结构的示意图；
图13为本发明实施例公开的电子设备的结构示意图。
附图标记说明：
100-转轴、
210-第一转动部、211-活动腔、212-安装孔、213-配合口、220-第二转动部、221-本体、222-销轴、
310-第一端、320-第二端、330-第一活动部、340-第二活动部、
400-连接座、
500-轴座、
600-弹性复位件、
700-支撑部、710-第一支撑条、720-第二支撑条、730-连接件、740-弹性支撑片、
800-显示模组、
900-支撑件。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合本发明具体实施例及相应的附图对本发明技术方案进行清楚、完整地描述。显然，所描 述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
以下结合附图，详细说明本发明各个实施例公开的技术方案。
如图1-图13所示，本发明公开一种折叠机构和电子设备，电子设备中包括折叠机构和至少两个支撑件900，在组装电子设备的过程中，两个支撑件900可以通过折叠机构形成连接关系，这使得两个支撑件900具备相对转动的能力。
如图1-图10所示，折叠机构可以包括转轴100和至少两个联动件。每个所述支撑件至少与一个所述联动件连接。例如，在支撑件900为两个的情况下，则联动件的数量可以为两个，两个联动件分别与两个支撑件900连接。当然，联动件的数量可以大于支撑件900的数量，也就是说，一个支撑件900可以同时与多个联动件连接。
联动件安装在转轴100上，以保证通过折叠机构连接的两个支撑件900之间能够相对转动，从而通过折叠的方式使平面尺寸相对较大的电子设备在各方向上的尺寸均相对较小，便于携带；同时，展开的电子设备还具有较大的平面面积，进而可以增大电子设备的显示面积，提升用户体验。
在电子设备自展开状态切换至折叠状态时，在垂直于转轴100的轴向的方向上，虽然位于电子设备外侧的表面上两端之间的轨迹的尺寸未发生改变，但是位于电子设备内侧的表面的两端之间的轨迹的尺寸会因折叠而减小。
如图9和图10所示，本发明实施例公开的折叠机构中，各联动件均包括转动部和活动部。其中，转动部与转轴100转动连接，以保证整个联动件能相对转轴100转动，转动部可以通过轴孔配合或借助铰链等方式实现与转轴100转动连接的目的。可选地，转轴100可以为圆柱杆状结构，转动部则可以套设于转轴100上，使得转动部与转轴100形成可靠的转动连接关系，这种结构的形成过程相对简单，且转动连接关系较为稳定。
活动部的相背两端分别为第一端310和第二端320，第一端310连接在支撑件900上，第二端320活动连接在转动部上，从而保证支撑件900能够与转轴100形成连接关系。活动部具有第一状态和第二状态。其中，在活动部处于第一状态的情况下，活动部的第一端310与转轴100的间距为第一间距，在活动部处于第二状态的情况下，活动部的第一端310与转轴100的间距为第二间距，由于活动部的第一端310与支撑件900连接，因此，活动部的第一端310与转轴100的间距也可以表征两个支撑件900之间的间距。
通过使第一间距小于第二间距，可以使两个支撑件900分别在折叠状态下和展开状态下的间距产生变化，进而对电子设备中两端间轨迹尺寸随折叠和展开状态变化而变化的表面进行尺寸补偿，保证电子设备具备可折叠的能力。其中，活动部处于第一状态的情况下，电子设备处于折叠状态，活动部处于第二状态的情况下，电子设备处于展开状态。
因此，在本发明实施例公开的折叠机构应用在电子设备中时，处于展开状态的电子设备具备较大的展示面积，从而可以使电子设备的显示面积得以增大，并且，借助折叠机构可以使电子设备处于折叠状态，以减小电子设备的整体尺寸，使电子设备的便携性能得以提升。
另外，通过改变相对位置，使活动部的第一端310与转动部之间的间距发生变化的具体结构有多种，例如弹簧、两个螺旋连接的部件、两个滑动连接的部件或者两个转动连接的部件等，因此，活动部和转动部的具体结构和连接方式，此处不作具体限定，本领域技术人员可以根据本发明所提供的技术方案灵活选择。
为了提升通过本发明实施例公开的折叠机构与两个支撑件900之间的连接可靠性，可选地，联动件的数量可以大于支撑件900的数量，以通过多个联动件连接一个支撑件900，提升支撑件900和折叠机构的连接可靠性。
转轴100的数量可以为一个，各转动件均可以连接在该转轴100上。考虑到连接在同一转轴100的两个联动件在相对转动的过程中可能会出现相互 干涉的问题，因此，为了保证折叠机构的折叠动作和展开动作能更好地进行，可选地，如图1所示，转轴100的数量可以为两个，两个转轴100间隔设置，可以为联动件提供让位空间，防止两个联动件在相对转动的过程中出现相互干涉。
两个转轴100的尺寸和结构均可以对应相同，一方面降低备件难度和成本，另一方面还可以保证分别连接于两个转轴100上的联动件所进行的转动动作基本一致，提升折叠机构的动作精度。在转轴100设置有两个的情况下，折叠机构还包括连接座400，连接座400具有两个定位孔，两个转轴100可以分别插接在两个定位孔中，从而借助连接座400使包括两个转轴100的折叠机构具有唯一的转动轴线，保证折叠机构能够正常进行折叠和展开动作。
具体地，连接座400可以采用金属或塑料等硬质材料形成，从而保证连接于连接座400上的两个转轴100不会产生相对位移。连接座400可以设置在转轴100的端部，或者也可以设置在转轴100的中部，连接座400设置于转轴100的中部时，连接座400上的定位孔可以为贯穿连接座400形成的孔，以保证转轴100可以自定位孔穿入至连接座400内，使连接座400能够对两个转轴100产生定位效果。
进一步地，连接座400可以设置有多个，多个连接座400的定位孔可以均为贯穿孔，在组装折叠机构的过程中，可以使多个连接座400均穿设于两个转轴100上，且多个连接座400之间相互间隔设置，这可以进一步保证两个转轴100之间不会产生相对位移，且转轴100也基本不会因受力而变形。多个连接座400的结构和尺寸均可以对应相同，以降低备件和组装难度。
可选地，联动件设置有多个，多个联动件中包括沿垂直于转轴100的轴向的方向相对设置的两个联动件，两个联动件分别与两个转轴100连接，且两个联动件分别与两个支撑件900连接，由于两个联动件相对设置，从而在折叠和展开折叠机构的过程中，可以使两个联动件各自作用于支撑件900上的力的位置近似，这可以使两个支撑件900的折叠和展开动作更稳定。
具体地，联动件的实际数量可以根据整个折叠机构的尺寸和联动件自身的尺寸等确定。并且，可以使多个联动件均两两成对设置，任意一对中的两个联动件均相对设置，这可以进一步提升折叠机构的可靠性和稳定性。另外，可以使相邻的两对联动件沿转轴100的轴向间隔设置，进一步防止联动件之间产生干扰。
在联动件成对设置的情况下，如果一对联动件中的一个联动件相对另一个联动件产生沿轴向的位移，则可能导致两个联动件与对应的支撑件900之间相互作用的位置发生变化，进而降低折叠机构进行折叠和展开动作的稳定性。因此，可选地，相对设置的两个联动件之间可以设置有连接座400，使两个联动件和位于两个联动件之间的连接座400在转轴100的轴向和垂直于轴向的方向上形成限位配合关系，防止两个相对设置的联动件之间发生相对移动。
具体地，可以在联动件的转动部上设置缺口，从而在两个联动件相对设置的情况下，使两个联动件的转动部之间形成安装空间，连接座400可以安装在前述安装空间内，从而使两个联动件能够通过连接座400形成限位关系。
需要说明的是，在折叠机构进行折叠动作和展开动作的过程中，相对设置的两个联动件仍可以发生相对转动，以使两个支撑件900相对转动；并且，在一些实施例中，两个联动件和连接座400可以作为一个整体结构相对转轴100沿转轴100的轴向移动。
如上所述，联动件的具体结构形式可以有多种，可选地，如图9和图10所示，联动件包括第一联动件和第二联动件，第一联动件和第二联动件沿转轴100的轴向间隔设置。第一联动件和第二联动件二者的结构不同，转动部包括第一转动部210和第二转动部220，活动部包括第一活动部330和第二活动部340。
其中，第一联动件包括第一转动部210和第一活动部330，在第一联动件中，沿垂直于转轴100的轴向的方向，第一活动部330与第一转动部210 活动连接。第二联动件包括第二转动部220和第二活动部340，在第二联动件中，沿垂直于转轴100的轴向的方向的周向，第二活动部340与第二转动部220转动连接。基于上述结构，第一联动件和第二联动件均可以对两个支撑件900之间的间距进行补偿。
详细地说，如图9所示，第一活动部330与第一转动部210可以在垂直于转轴100的轴向的方向上相对移动，且移动方向与两个支撑件900之间的间距所在的方向相同，因此可以直接对两个支撑件900之间的间距进行补偿。如图10所示，第二活动部340和第二转动部220可以以垂直于转轴100的轴向的方向为轴相对转动，从而通过改变第二活动部340的第一端310与第二转动部220在垂直于转轴100的轴向的有效长度的方式，对两个支撑件900之间的间距进行补偿。
显然，如上所述，如图10所示，第二联动件采用转动的方式改变第二活动部340的第一端310与转轴100之间的间距。由于在折叠机构的组装过程中，需要使第二活动部340的第一端310与支撑件900在转轴100的轴向上相对固定，从而还需使第二联动件需具备沿轴向相对转轴100移动的能力，以改变第二活动部340中第一端310与第二端320在垂直于转轴100轴向的方向上的有效长度，进而在第二活动部340分别处于第一状态和第二状态时，使第二活动部340的第一端310和转轴100之间的间距能够发生改变。
进一步地，如图5所示，在第一联动件中，第一转动部210设置有贯穿孔、活动腔211和配合口213，第一转动部210通过贯穿孔能够套设在转轴100上，从而保证第一转动部210能够相对转轴100转动。第一活动部330的第二端320位于活动腔211内，活动腔211与配合口相互连通，第一活动部330的第一端310能够通过配合口213位于活动腔211之外。
由于第一活动部330的第一端310与转轴100之间的间距即为前述二者在垂直于转轴100的轴向的方向上的尺寸，因此，通过在第一活动部330处于第一状态的情况下，使活动腔211靠近转轴100的腔壁与第一活动部330 限位配合，以及在第一活动部330处于第二状态的情况下，使活动腔211远离转轴100的腔壁与第一活动部330限位配合，可以保证第一活动部330在第一状态和第二状态之间相互切换的过程中，改变第一活动部330的第一端310与转轴100之间的间距，进而对两个支撑件900之间的间距进行补偿。
具体地，本领域技术人员可以根据实际情况，确定第一转动部210和第一活动部330的具体结构。另外，可以使贯穿孔的尺寸稍大于转轴100的尺寸，从而保证第一转动部210能够套设转轴100上，且相对转轴100转动。活动腔211在垂直于转轴100轴向的方向上的尺寸可以根据两个支撑件900之间的间距变化值确定，从而保证活动设置于活动腔211内的第一活动部330具备间距补偿的能力。
可选地，第一活动部330为工字型结构，且相背两端分别为第一端310和第二端320，相应地，活动腔211可以为方形结构，第一活动部330的第二端320设置于活动腔211中。借助方形结构的第一活动部330和活动腔211，可以保证第一活动部330和活动腔211之间具有较好的限位配合关系，且方形结构的二者在相对运动的过程中不易出现相对倾斜或偏移的情况，这可以进一步提升折叠机构的精密程度。第一活动部330的中部可以设置于与活动腔211连通的配合口213处，以连接位于活动腔211内的第二端320和位于活动腔211外的第一端310。
活动腔211也可以为封闭状结构或半封闭状结构，在这种情况下，可以使第一活动部330的第一端310和第二端320之间形成可拆卸连接关系。从而在组装第一转动部210和第一活动部330的过程中，可以预先将第二端320安装至活动腔211内，然后再通过配合口213将第二端320固定连接于位于活动腔211外的第一端310上。再比如，活动腔211还可以采用记忆金属等材料制成，进而可以通过改变第一活动部330的结构，使第一活动部330的第二端320通过配合口213能够安装至活动腔211内，然后通过使第二端320恢复形变，可以使第一活动部的第二端320与活动腔211相互限位。或者， 通过使第一转动部210为可拆卸式结构，均可以保证第一活动部330的第二端320既能被安装至活动腔211内，且第二端320还能与活动腔211之间形成可靠的限位关系。
或者，第一转动部210还设置有装配口，装配口与活动腔211连通，也即活动腔211为开放式结构，这也可以保证第一活动部330的第二端320能够被安装至活动腔211内。在活动腔211为开放式结构的情况下，折叠机构可以通过为活动腔211额外增设盖板等方式，保证安装于活动腔211内的第一活动部330不会脱出活动腔211。
或者，本发明公开的折叠机构还可以包括轴座500，轴座500朝向装配口设置，且轴座500固定在第一转动部210上，使第一活动部330的第二端320能够被限制在第一转动部210和轴座500之间，这也可以防止第一活动部330的第二端320自活动腔211内脱出。
并且，轴座500还可以在一定程度上保护转轴100以及转轴100上的连接座400；同时，还可以使折叠机构的整体结构相对饱满，提升折叠机构的结构稳定性。在转轴100设置有两个的情况下，轴座500也可以设置有两个，两个轴座500与两个转轴100对应配合，且两个轴座500可以对应安装在相对设置的两个第一联动件中的第一转动部210上，以使轴座500可以随第一转动部210的转动而转动，防止轴座500的存在而对折叠机构的折叠和展开过程产生不利影响。
具体地，轴座500的实际结构可以根据转轴100和第一转动部210二者的具体结构对应设计，以保证两个轴座500在为转轴100提供保护作用的情况下，不会随第一转动部210转动的过程中相互干涉，也不会与折叠机构中的其他部件相互干涉。
基于上述实施例公开的第一联动件的结构，如图9所示，在第一转动部210相对转轴100沿围绕转轴100的轴向的方向A转动时，第一活动部330能够沿垂直于转轴100的轴向的方向B移动，达到改变第一活动部330的第 一端310与转轴100之间的间距的目的。
进一步地，在第二联动件中，第二活动部340的第二端320可以与第二转动部220转动连接，且第二端320在相对第二转动部220转动时，使第二端320的转动轴的轴向垂直于转轴100的轴向。为了保证折叠机构能够正常进行折叠和展开动作，第二活动部340的第一端310与支撑件900之间也需形成有转动连接关系。
由于第二活动部340的第一端310与支撑件900在转轴100的轴向上相对固定，为了使第二活动部340的第一端310与转轴100之间的间距产生变化，随第二活动部340相对第二转动部220转动的过程中，可以使第二转动部220相对转轴100产生沿转轴100轴向的位移。
基于前述情况，第二转动部220能够沿转轴100的轴向在第一位置和第二位置之间移动，在第二转动部220位于第一位置的情况下，第二活动部340处于第一状态，而在第二转动部220位于第二位置的情况下，第二活动部340处于第二状态。
具体地，第二活动部340可以为杆状结构，其相背两端分别为第一端310和第二端320，且第一端310与支撑件900铰接，第二端320与第二转动部220铰接，通过使第二转动部220具备在转轴100上产生位移的能力，使得第二活动部340在相对第二转动部220转动时，改变第二活动部340在垂直于转轴100轴向的方向上的有效长度，从而随折叠机构的折叠和展开动作的进行，为两个支撑件900之间的间距提供补偿作用。
更具体地，如图10所示，第二转动部220包括本体221和销轴222，本体221上可以设置有贯穿孔和连接孔，在组装折叠机构的过程中，通过贯穿孔可以将本体221套设于转轴100上，从而保证本体221能够相对转轴100相对转动。并且，销轴222设置在连接孔内，本体221和第二活动部340的第二端320通过销轴222相互连接，使得本体221和第二活动部340的第二端320之间能够形成可靠的转动连接关系。第二转动部220采用这种结构的 情况下，组装的效率较高，难度较低，且结构整体的稳定性相对较高，能够保证第二活动部340和第二转动部220之间进行较多次数的转动动作。
基于上述实施例公开的第二联动件的结构，如图10所示，在第二转动部220相对转轴100沿围绕转轴100的轴向的方向A转动时，第二转动部220还能够沿转轴100的轴向C移动，在第二转动部220移动的过程中，第二活动部340的第二端320会随第二转动部220一并移动，从而使第二活动部340整体产生沿垂直于转轴100的轴向的方向的周向D的转动动作，达到改变第二活动部340的第一端310与转轴100之间间距的目的。另外，第二转动部220的复位过程与上述过程相反，考虑文本简洁，此处不再赘述。
考虑到套设于转轴100上的第二转动部220相对转轴100产生沿转轴100轴向的位移相对困难，虽然在用户所施加的力等的作用下，可以在一定程度上降低第二转动部220移动的难度，但是，为了降低第二转动部220复位时的难度，可选地，本发明实施例公开的折叠机构还可以包括弹性复位件600，弹性复位件600的伸缩方向与转轴100的轴向相同，弹性复位件600的一端可以连接在第二转动部220上，且在第二转动部220处于第一位置的情况下，使弹性复位件600处于压缩状态或伸展状态，也即，在折叠机构处于折叠状态的情况下，弹性复位件600因被压缩或拉长而具有一定的弹性力，从而在折叠机构自折叠状态切换至展开状态的过程中，借助弹性复位件600所产生的弹性力，可以使整个折叠机构更容易地切换至展开状态。
另外，在第二转动部220处于第二位置的情况下，也即折叠机构处于展开状态的情况下，可以使弹性复位件600处于自然状态，从而在折叠机构能够在不受其他外力作用下稳定地保持展开状态。或者，在第二转动部220处于第二位置的情况下，也可以使弹性复位件600处于被部分压缩或被部分拉伸的状态，从而借助弹性复位件600所提供的弹性作用力，进一步防止折叠机构在不受其他外力作用时出现自动折叠的情况。
需要说明的是，弹性复位件600的安装位置决定第二转动部220处于第 一位置时弹性复位件600的伸缩状态。详细地说，如图5所示，在折叠机构自展开状态切换至折叠状态的过程中，第二联动件会向挤压弹性复位件600的方向运动，从而在第二转动部220处于第一位置时，弹性复位件600处于压缩状态；如果在折叠机构自展开状态切换至折叠状态的过程中，第二联动件会向拉伸弹性复位件600的方向运动，则在第二转动部220处于第一位置时，弹性复位件600处于伸展状态。
具体地，弹性复位件600可以为具备弹性能力的材料制成的部件，如橡胶件等。或者，也可以为常规材料形成的具有设定形状的部件，如弹簧等。可选地，弹性复位件600可以为压缩弹簧，且压缩弹簧可以套设在转轴100上，一方面压缩弹簧可以提供较好的弹性复位作用，且压缩弹簧的备件难度和成本均相对较低，另一方面，通过将压缩弹簧套设至转轴100上，还使得转轴100能够为压缩弹簧的压缩和伸长过程提供导向作用，防止压缩弹簧在工作过程中出现弯折情况。
更具体地，在转轴100设置有两个，且两个转轴100通过连接座400连接的情况下，可以使弹簧的相对两端分别抵接固定于连接座400和第二转动部220上。
另外，在转轴100设置有两个，两个转轴100之间通过连接座400连接，且分别与两个转轴100连接的两个第二联动件之间设置有连接座400的情况下，第二联动件还可以使位于折叠机构相背两侧的两个支撑件900之间的同步性更好。详细地说，在驱动折叠机构某一侧的支撑件900相对转轴100转动的过程中，因第二活动部340受力会带动第二转动部220动作，从而在第二转动部220沿转轴100的轴向相对转轴100产生位移时，该第二转动部220会影响与之限位配合的另一个第二联动件动作，从而带动转轴100另一侧的支撑件900产生翻转动作。并且，借助这种结构的第二联动件，还可以防止因某一支撑件900出现翻转过度的情况而造成整个折叠机构损毁。
进一步地，本发明公开的折叠机构还可以包括支撑部700，且支撑部位 于联动件中支撑件900的支撑面所在的一侧，从而借助支撑部700和支撑件900一并为显示模组800等被支撑件提供支撑作用，提升显示模组800等被支撑件和折叠机构之间的连接可靠性，进而提升显示模组800等被支撑件的使用寿命。
具体地，支撑部700可以为板状结构，或者也可以为条状结构，支撑部700可以安装在转轴100上，或者也可以安装在联动件上，再或者，在折叠机构中设置有轴座500的情况下，支撑部700也可以安装在轴座500上。
进一步地，支撑部700可以包括多个支撑条，条状结构形成的支撑部700的在随显示模组800等被支撑件变形的过程中所能提供的支撑效果相对更好。多个支撑条依次排布，且随活动部在第一状态和第二状态之间切换的过程中，多个支撑条之间可以相对活动，以为变形的显示模组800等被支撑件提供支撑作用。
具体地，多个支撑条之间可以具有预设间距，或者，可以通过对支撑条的具体结构进行设计，如形成避让倒角等方式，防止多个支撑条在相对活动的过程中相互干涉。支撑条的具体结构和数量可以根据被支撑件的具体尺寸和结构等实际情况确定，此处不作限定。
进一步地，多个支撑条中可以包括第一支撑条710和第二支撑条720，由于显示模组800等被支撑件的中部在折叠和展开过程中几乎不会发生形变，可选地，沿垂直于转轴100的轴向的方向，第一支撑条710可以与转轴100相对固定，从而借助第一支撑条710为被支撑件的中部提供更好的支撑效果。在转轴100设置有两个，且两个转轴100通过连接座400连接的情况下，第一支撑条710可以通过螺钉等部件固定在连接座400上。需要说明的是，在相对设置的两个第一联动件之间设置有连接座400，以及相对设置的两个第二联动件之间设置有连接座400的情况下，可以使第一支撑条710还固定在位于两个第一联动件之间的连接座400上，且使第一支撑条710与第二联动件之间的连接座400相对活动，保证第二联动件能够沿转轴100的轴向相对 转轴100移动。
同时，第一支撑条710的相背两侧均设置有第二支撑条720，第二支撑条720能够支撑位于显示模组800等被支撑件的中部相背两侧的部分，这两部分结构均会随折叠机构折叠和展开动作的进行而产生相应的变形，因而可以使各第二支撑条720均安装在转动部上，以保证各第二支撑条720均能够相对第一支撑条710活动，为显示模组800等被支撑件提供更好的支撑效果。由于被支撑件在折叠和展开过程中的尺寸未发生变化，从而第一支撑条710和多个第二支撑条720所形成的平面结构或弧形结构均可以为被支撑件提供较好的支撑效果。
相应地，在联动件包括第一联动件和第二联动件的情况下，可以使第二支撑条安装在第一联动件的第一转动部210上，且使第二联动件能够沿转轴100的轴向相对第二支撑条720运动。
基于上述实施例，如图3所示，第一转动部210沿转轴100的延伸方向相背的两端均设置有安装孔212，安装孔212的轴向与转轴100的轴向相同，第二支撑条720上可以设置有通孔，连接件730能够穿过通孔且***至安装孔212中，连接件730可以为销钉等部件，以通过连接件730连接第二支撑条720和第一转动部210。安装孔212的具体结构和实际尺寸均可以根据折叠机构内各部件的实际结构和尺寸对应确定，此处不作限定。
为了进一步提升对显示模组800等被支撑件的支撑效果，可选地，本发明公开的折叠机构还可以包括弹性支撑片740，弹性支撑片740可以设置于支撑条背离联动件的一侧，且可以使弹性支撑片740与多个支撑条均连接，从而借助片状结构的弹性支撑片740进一步提升对显示模组800等被支撑件的支撑效果，防止显示模组800等被支撑件在折叠和展开过程中发生故障。
具体地，弹性支撑片740可以为金属薄片，在厚度相对较小的情况下，金属材料也具备一定的弹性能力，且金属的硬度和结构稳定性相对较高，其提供的支撑效果也相对较高。当然，弹性支撑片740还可以由其他材料制成， 考虑文本简洁，此处不再一一列举。弹性支撑片740的具体尺寸和形状可以根据折叠机构等部件的实际情况确定，可选地，弹性支撑片740可以为方形结构，且可以通过粘接、铆接或焊接等方式固定连接在多个支撑条上。
进一步地，弹性支撑片740可以设置有多个，多个弹性支撑片740可以为显示模组800等被支撑件提供更好的支撑效果。同时，多个弹性支撑片740可以沿转轴100的轴向相互间隔设置，这可以在一定程度上提升多个弹性支撑片740各自所具备的弹性变形能力，且可以在一定程度上提升多个支撑条之间的联动效果；同时，还可以防止多个支撑条之间被连接得过于紧密而丧失相对活动的能力。
另外，还可以通过在多个支撑条上预先形成用于安装弹性支撑片740的凹陷区，从而在安装弹性支撑片740的过程中，可以直接将弹性支撑片740容纳于凹陷区内，一方面可以进一步提升弹性支撑片740与多个支撑条之间的连接可靠性，另一方面还可以防止因弹性支撑片740相对支撑条凸出设置，而对显示模组800的支撑效果产生不利影响。
基于上述实施例公开的折叠机构，本发明实施例还公开一种电子设备，电子设备包括至少两个支撑件900和上述任一折叠机构，折叠机构包括转轴100和至少两个联动件，每个支撑件900至少与一个联动件连接，各联动件的转动部均与转轴100转动连接，从而使至少两个支撑件900能够形成转动连接关系，因上文已经对折叠机构的结构组成和连接关系做了详细描述，考虑文本简洁，此处不再重复。
具体地，支撑件900可以为板状结构，其可以用来支撑显示模组800等被支撑件，支撑件900可以采用金属等材料制成，这可以使支撑件900具有较高的结构强度和使用寿命。在联动件包括第一联动件和第二联动件的情况下，可以借助螺钉将两个支撑件900分别固定在第一活动部330的第一端310上，且可以借助螺钉将第二活动部340的第一端310也安装在两个支撑件900的对应位置处，且使第二活动部340的第一端310具备相对支撑件900转动 的能力。
另外，在支撑件900的数量为三个或三个以上的情况下，折叠机构的数量也相应增加，也就是说，任意两个支撑件900之间均设置有一个折叠机构，从而保证任意两个支撑件900均能够进行折叠和展开动作。在电子设备采用上述结构的情况下，通过折叠电子设备可以使电子设备的整体尺寸相对较小，从而提升电子设备的便携性能；通过展开电子设备，使得电子设备具有较大的面积，从而能够获得更大的显示面积，提升用户体验。
进一步地，电子设备包括显示模组800，显示模组800支撑在支撑件900上。其中，显示模组800的数量可以为至少两个，多个显示模组800可以分别支撑于多个支撑件900上。或者，显示模组800的数量可以为一个，一个显示模组800可以同时支撑于多个支撑件900上，为了保证显示模组800在支撑件900相对转动的过程中能够变形，显示模组800可以为柔性屏。
本发明实施例公开的电子设备可以为智能手机、平板电脑、电子书阅读器或可穿戴设备。当然，该电子设备也可以是其他设备，本发明实施例对此不做限制。
本发明上文实施例中重点描述的是各个实施例之间的不同，各个实施例之间不同的优化特征只要不矛盾，均可以组合形成更优的实施例，考虑到行文简洁，在此则不再赘述。
以上所述仅为本发明的实施例而已，并不用于限制本发明。对于本领域技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本发明的权利要求范围之内。

Claims (19)

  1. 一种折叠机构，应用于电子设备，所述电子设备包括至少两个支撑件(900)，其中，所述折叠机构包括：
    转轴(100)；
    至少两个联动件，每个所述支撑件(900)至少与一个所述联动件连接，各所述联动件均包括转动部和活动部，所述转动部与所述转轴(100)转动连接，所述活动部的第一端(310)与所述支撑件(900)连接，所述活动部的第二端(320)与所述转动部连接；
    所述活动部具有第一状态和第二状态，在所述活动部处于第一状态的情况下，所述活动部的第一端(310)与所述转轴(100)的间距为第一间距，在所述活动部处于所述第二状态的情况下，所述活动部的第一端(310)与所述转轴(100)的间距为第二间距，所述第一间距小于所述第二间距。
  2. 根据权利要求1所述的折叠机构，其中，还包括连接座(400)，所述连接座(400)具有两个定位孔，所述转轴(100)的数量为两个，两个所述转轴(100)平行且间隔设置，且两个所述转轴(100)分别插接于所述连接座(400)的两个所述定位孔内。
  3. 根据权利要求2所述的折叠机构，其中，所述至少两个联动件中包括沿垂直于所述转轴(100)的轴向的方向相对设置的两个所述联动件，相对设置的两个所述联动件分别与两个所述转轴连接，且相对设置两个所述联动件分别与两个所述支撑件连接。
  4. 根据权利要求3所述的折叠机构，其中，相对设置的两个所述联动件之间设置有所述连接座(400)，相对设置的两个所述联动件与所述连接座(400)在所述转轴(100)的轴向和垂直于所述轴向的方向上均限位配合。
  5. 根据权利要求1所述的折叠机构，其中，所述联动件包括第一联动件和第二联动件，所述第一联动件和所述第二联动件沿所述转轴(100)的轴向间隔设置，所述转动部包括第一转动部(210)和第二转动部(220)，所述活 动部包括第一活动部(330)和第二活动部(340)，所述第一联动件包括所述第一转动部(210)和所述第一活动部(330)，所述第二联动部包括所述第二转动部(220)和所述第二活动部(340)；
    在所述第一联动件中，沿垂直于所述转轴(100)的轴向的方向，所述第一活动部(330)与所述第一转动部(210)活动连接；
    在所述第二联动部中，沿垂直于所述转轴(100)的轴向的方向的周向，所述第二活动部(340)与所述第二转动部(220)转动连接。
  6. 根据权利要求5所述的折叠机构，其中，所述第一转动部(210)开设有贯穿孔、活动腔(211)和配合口(213)，所述第一转动部(210)通过所述贯穿孔套设于所述转轴(100)，所述第一活动部(330)的第二端(320)位于所述活动腔(211)之内，所述第一活动部(330)的第一端(310)通过所述配合口(213)位于所述活动腔(211)之外；
    在所述第一活动部(330)处于所述第一状态的情况下，所述活动腔(211)中靠近所述转轴(100)的腔壁与所述活动部限位配合，在所述第一活动部(330)处于所述第二状态的情况下，所述活动腔(211)中远离所述转轴(100)的腔壁与所述活动部限位配合。
  7. 根据权利要求6所述的折叠机构，其中，所述第一转动部(210)设有装配口，所述装配口与所述活动腔(211)连通，所述折叠机构还包括轴座(500)，所述轴座(500)朝向所述装配口设置，且所述轴座(500)固定于所述第一转动部(210)，所述第一活动部(330)的第二端(320)位于所述第一转动部(210)与所述轴座(500)之间。
  8. 根据权利要求5所述的折叠机构，其中，所述第二活动部(340)的第一端(310)与所述支撑件(900)转动连接，所述第二活动部(340)的第二端(320)与所述第二转动部(220)转动连接，且所述第二活动部(340)的第二端(320)与所述第二转动部(220)之间的转动轴所在的方向垂直于所述转轴(100)的轴向；
    所述第二转动部(220)套设于所述转轴(100)，所述第二转动部(220)沿所述转轴(100)的轴向在第一位置和第二位置之间移动，在所述第二转动部(220)位于所述第一位置的情况下，所述第二活动部(340)处于所述第一状态，在所述第二转动部(220)位于所述第二位置的情况下，所述第二活动部(340)处于所述第二状态。
  9. 根据权利要求8所述的折叠机构，其中，所述第二转动部(220)包括本体(221)和销轴(222)，所述本体(221)具有贯穿孔和连接孔，所述第二转动部(220)通过所述贯穿孔套设于所述转轴(100)，所述销轴(222)设置于所述连接孔内，所述本体(221)和所述第二活动部(340)的第二端(320)通过所述销轴(222)转动连接。
  10. 根据权利要求8所述的折叠机构，其中，所述折叠机构还包括弹性复位件(600)，所述弹性复位件(600)套设于所述转轴(100)，所述弹性复位件(600)的伸缩方向与所述转轴(100)的轴向相同，所述弹性复位件(600)的一端与所述第二转动部(220)连接，在所述第二转动部(220)位于所述第一位置的情况下，所述弹性复位件(600)处于压缩状态或伸展状态。
  11. 根据权利要求1所述的折叠机构，其中，还包括支撑部(700)，所述支撑部(700)设置于所述联动件中所述支撑件(900)的支撑面所在的一侧。
  12. 根据权利要求11所述的折叠机构，其中，所述支撑部(700)包括多个支撑条，多个所述支撑条相对活动。
  13. 根据权利要求12所述的折叠机构，其中，多个所述支撑条包括第一支撑条(710)和第二支撑条(720)，沿垂直于所述转轴(100)的轴向的方向，所述第一支撑条(710)与所述转轴(100)相对固定，所述第一支撑条(710)的相背两侧均设有所述第二支撑条(720)，所述第二支撑条(720)安装于所述转动部。
  14. 根据权利要求13所述的折叠机构，其中，所述转动部沿所述转轴(100) 的延伸方向相背的两端均设置有安装孔(212)，所述安装孔(212)的轴向与所述转轴(100)的轴向相同，所述第二支撑条(710)开设有通孔，连接件(730)穿过所述通孔***所述安装孔(212)，以通过所述连接件(730)连接所述第二支撑条(720)与所述转动部。
  15. 根据权利要求13所述的折叠机构，其中，所述联动件包括第一联动件和第二联动件，沿所述转轴(100)的轴向，所述转轴(100)、所述第一支撑条(710)和所述第二支撑条(720)均与所述第一联动件相对固定，所述转轴(100)、所述第一支撑条(710)和所述第二支撑条(720)均与所述第二联动件相对活动。
  16. 根据权利要求12所述的折叠机构，其中，所述折叠机构还包括弹性支撑片(740)，所述弹性支撑片(740)位于所述支撑条背离所述联动件的一侧，且多个所述支撑条均与所述弹性支撑片(740)连接。
  17. 根据权利要求16所述的折叠机构，其中，所述弹性支撑片(740)的数量为多个，多个所述弹性支撑片(740)沿所述转轴(100)的轴向间隔设置。
  18. 一种电子设备，其中，包括至少两个支撑件(900)和权利要求1-17中任意一项所述的折叠机构，每个所述支撑件(900)至少与一个所述联动件连接。
  19. 根据权利要求18所述的电子设备，其中，还包括显示模组(800)，所述支撑件(900)支撑所述显示模组(800)。
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CN111405095A (zh) * 2020-03-30 2020-07-10 维沃移动通信有限公司 折叠机构及电子设备

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CN113949760A (zh) * 2021-11-26 2022-01-18 维沃移动通信有限公司 折叠支撑装置和电子设备
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
CN114125108A (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
WO2023093654A1 (zh) * 2021-11-26 2023-06-01 维沃移动通信有限公司 折叠支撑装置和电子设备
CN114125109B (zh) * 2021-11-26 2023-10-17 维沃移动通信有限公司 折叠支撑装置和电子设备
CN114125108B (zh) * 2021-11-26 2024-02-09 维沃移动通信有限公司 折叠支撑装置和电子设备
CN113949760B (zh) * 2021-11-26 2024-02-09 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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