WO2022262781A1 - 折叠装置及电子设备 - Google Patents

折叠装置及电子设备 Download PDF

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Publication number
WO2022262781A1
WO2022262781A1 PCT/CN2022/098991 CN2022098991W WO2022262781A1 WO 2022262781 A1 WO2022262781 A1 WO 2022262781A1 CN 2022098991 W CN2022098991 W CN 2022098991W WO 2022262781 A1 WO2022262781 A1 WO 2022262781A1
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WO
WIPO (PCT)
Prior art keywords
connecting frame
arm
folding device
casing
folding
Prior art date
Application number
PCT/CN2022/098991
Other languages
English (en)
French (fr)
Inventor
牛林辉
徐正一
马春军
李云勇
管城豪
龚泽坤
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2022262781A1 publication Critical patent/WO2022262781A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • 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

Definitions

  • the present application relates to the technical field of foldable electronic products, in particular to a folding device and electronic equipment.
  • the foldable electronic device further includes a folding device for carrying a flexible display, the folding device can be unfolded to an open state or folded to a closed state, and the flexible display is unfolded or folded along with the folding device.
  • the bent portion of the flexible display is prone to arching and damage when the electronic device is in an open state, resulting in a shortened service life of the flexible display.
  • the purpose of the present application is to provide a folding device and electronic equipment.
  • the folding device is used to carry the flexible display screen.
  • the folding device is in an open state, the bending part of the flexible display screen has better flatness, the flexible display screen is not easily damaged, has high reliability and a long service life.
  • the present application provides a folding device, which can be applied to an electronic device with a flexible display screen, and the folding device is used to carry the flexible display screen.
  • the folding device includes a first casing, a second casing and a folding assembly, the folding assembly connects the first casing and the second casing, and enables the first casing and the second casing to be relatively unfolded to an open state or relatively folded to a closed state.
  • the folding assembly includes a central axis, a first connecting frame and a second connecting frame.
  • the first connecting frame is rotatably connected to the central axis
  • the second connecting frame is rotatably connected to the central axis.
  • the first connecting frame and the second connecting frame can be relatively unfolded or relatively folded.
  • the folding assembly further includes a first elastic member and a second elastic member.
  • the first connecting frame is slidably connected to the first casing without detaching from the first casing. Both ends of the first elastic member contact the first connecting frame and the first casing respectively.
  • the second connecting frame is slidably connected to the second casing without breaking away from the second casing, and the two ends of the second elastic member contact the second connecting frame and the second casing respectively.
  • the first connecting frame and the second connecting frame can be relatively unfolded or relatively folded, the first connecting frame is connected to the first casing without detaching from the first casing, and the second connecting frame is connected to the second casing without being separated from the first casing. separate from the second casing, so the first connecting frame can drive the first casing to move, and the second connecting frame can drive the second casing to move, so that the first casing and the second casing are relatively unfolded to an open state or Relatively folded to a closed state.
  • the folding device When the folding device is in the open state, the elastic force generated by the first elastic member pushes the first casing away from the first connecting frame, absorbing the sliding gap between the first casing and the first connecting frame, and the elastic force generated by the second elastic member The elastic force pushes the second shell away from the second connecting frame, absorbing the sliding gap between the second shell and the second connecting frame, so the folding device can realize the outward pushing action of the first shell and the second shell,
  • the folding device can flatten the flexible display screen, avoid the problem of the middle of the flexible display screen caused by long-term bending, so as to improve the flatness and reliability of the flexible display screen, and make the flexible display screen have a longer service life.
  • the folding device can realize the inward pulling movement of the connection frame during the change from the open state to the closed state, and the outward push movement of the connection frame during the change from the closed state to the open state of the folding device
  • the folding device can realize the The inward pulling movement of the housing during the transition from the open state to the closed state, and the outward push movement of the housing during the transition from the closed state to the open state of the folding device enable the folding device to achieve a flexible display during the unfolding or folding process.
  • the screen is the neutral plane or the position close to the flexible display is the deformation movement of the neutral plane, thereby reducing the risk of pulling or squeezing the flexible display to protect the flexible display and improve the reliability of the flexible display.
  • electronic equipment has a long service life.
  • the length of the folding device is more easily adapted to the length of the flexible display, thereby improving the smoothness of the movement of the folding device, reducing the risk of pulling or squeezing the flexible display, and improving the reliability of the folding device and the flexible display , so that the electronic equipment has a longer service life.
  • the folding device when the folding device is in a closed state, the first elastic member and the second elastic member are in a compressed state.
  • the elastic force generated by the first elastic member and the second elastic member can also achieve the purpose of absorbing the sliding gap, so that the flexible display screen is stretched by the folding device, and is less prone to wrinkle or arching, so as to have higher reliability.
  • the first housing has a first limiting groove, the first limiting groove includes a first side wall and a second side wall that are oppositely arranged, and the first side wall is located between the second side wall and the central axis Between; the second housing has a second limiting groove, the second limiting groove includes a third side wall and a fourth side wall oppositely arranged, and the third side wall is located between the fourth side wall and the central axis.
  • the folding assembly also includes a first limit block and a second limit block;
  • the first limit block is fixedly connected to the first connecting frame and is located in the first limit slot, and under the elastic force of the first elastic member, the first limit block Abut against the first side wall and form a gap with the second side wall;
  • the second limit block is fixedly connected to the second connecting frame and located in the second limit slot, under the elastic force of the second elastic member, the second limit block The block abuts against the third side wall and forms a gap with the fourth side wall.
  • the first limiting block slides in the first limiting groove of the first housing and is limited between the first side wall and the second side wall, and the first limiting block is fixedly connected The first connecting frame, so that the first connecting frame does not disengage from the first housing; the second limiting block slides in the second limiting slot of the second housing, and is limited on the third side wall and the fourth side Between the walls, the second limiting block is fixedly connected to the second connecting frame, so that the second connecting frame does not separate from the second housing.
  • the connection structure between the first connecting frame and the first casing and the connecting structure between the second connecting frame and the second casing are simple and easy to implement, which is beneficial to reduce the difficulty and cost of manufacturing the folding device.
  • the first connecting frame has a first fastening hole
  • the first limiting block has a second fastening hole
  • the second fastening hole is directly opposite to the first fastening hole
  • the first housing further includes a first fastening hole.
  • a through hole, the first through hole communicates with the first limiting groove and covers the second fastening hole.
  • the folding assembly further includes a first fastener, and the first fastener can extend into the second fastening hole and the first fastening hole through the first through hole, so as to lock the first limiting block and the first connecting frame.
  • the first limiting block and the first connecting frame adopt a separate design structure, so that the first limiting block can be installed in the first limiting groove first, and then the first connecting frame is slid into the first housing , the first fastening hole is directly opposite to the second fastening hole, and then the first fastening member is inserted into the second fastening hole and the first fastening hole through the first through hole, thereby locking the first limit block and the first fastening hole
  • the first connecting frame, the assembly method is simple and easy to realize.
  • the first limiting block is fixedly connected to the first connecting frame, and the first limiting block is limited in the first limiting slot, so the first connecting frame and the first housing are not detached.
  • the first connecting frame includes a first guide post, and the first elastic member is sheathed on the first guide post to produce deformation along the extending direction of the first guide post.
  • the first guide column can guide the deformation direction of the first elastic member when the first elastic member is deformed under force, so as to reduce the risk of damage or failure of the first elastic member and improve reliability.
  • the second connecting frame may include a second guide post, and the second elastic member is sleeved on the second guide post to produce deformation along the extending direction of the second guide post.
  • the second guide column can guide the deformation direction of the second elastic member when the second elastic member is deformed under force, so as to reduce the risk of damage or failure of the second elastic member and improve reliability.
  • the folding assembly further includes a first connecting arm, a first transmission arm and a first linkage arm, the first linkage arm is rotatably connected to the first connection frame, and slidably connected to the center shaft, and the first linkage arm is rotatably connected to the center shaft 1. Slidingly connecting the second connecting frame, the first transmission arm is installed on the central shaft and connected to the first connecting arm and the first linkage arm.
  • the folding assembly also includes a second connecting arm, a second transmission arm and a second link arm, the second link arm is rotatably connected to the second link frame, and slidably connected to the central axis, and the second link arm is rotatably connected to the central axis, and slidably connected to the first link frame , the second transmission arm is installed on the central shaft and connected to the second connecting arm and the second linkage arm.
  • the first connecting arm, the first transmission arm and the first linkage arm form an interlocking structure with the second connection arm, the second transmission arm and the second linkage arm, so that the first connection frame and the second connection frame It can be rotated relative to the central axis to be relatively unfolded to an open state or relatively folded to a closed state, while the folding assembly has better mechanical tensile resistance and mechanical extrusion resistance.
  • the central shaft and the first linkage arm are rotationally connected through a virtual axis structure
  • the first transmission arm is rotationally connected with the first connecting arm and the first linkage arm through a solid axis structure.
  • the space occupied by the first connecting chain and the central axis is small, and the thickness is small, which is beneficial to reduce the thickness of the folding assembly, so that the folding device and electronic equipment Easier to achieve thinner and lighter.
  • the folding device further includes a first damping member, the first damping member is installed on the first link arm or the second link frame, and is used to provide damping force.
  • the folding device further includes a second damping member, the second damping member is installed on the second linkage arm or the first connection frame, and is used for providing a damping force during the relative sliding process of the second linkage arm and the first connection frame.
  • the folding device is provided with a first damping element and a second damping element
  • the first damping element is used to provide a damping force during the relative sliding process of the first linkage arm and the second connecting frame
  • the second damping element It is used to provide damping force during the relative sliding process of the second linkage arm and the first connecting frame, that is, when the first connecting frame drives the first casing to rotate relative to the central axis, and the second connecting frame drives the second casing to rotate relative to the central axis
  • the first damping member and the second damping member provide a certain damping force, so that the user can experience a better mechanism operation feeling.
  • the folding device further includes a synchronizing component, which is installed on the central axis, and the two ends of which are respectively connected to the first connecting frame and the second connecting frame, and the synchronizing component is used to make the second connecting frame move The rotation angles of the first connecting frame and the second connecting frame are kept synchronous.
  • the synchronization component is used to keep the rotation angles of the first connecting frame and the second connecting frame synchronous during the movement of the folding device, and the first connecting frame drives the first shell The body rotates, and the second connecting frame drives the second housing, so the synchronizing component can keep the first housing and the second housing synchronous during the movement of the folding device, so as to improve user experience.
  • the folding device further includes a first support plate and a second support plate, the first support plate is fixedly connected to the second link arm, and the second support plate is fixedly connected to the first link arm.
  • the first support plate moves with the first linkage arm
  • the second support plate moves with the second linkage arm, so the first linkage arm can directly control the motion track of the second support plate, and the second linkage arm
  • the movement trajectory of the first support plate can be directly controlled, so that the control precision of the first support plate and the second support plate during the movement of the folding device is high and the hysteresis is small, so that the expansion and contraction can be accurately realized during the rotation of the folding device.
  • first support plate, the central shaft and the second support plate are used to jointly support the bending part of the flexible display screen, so as to improve the flatness and reliability of the bending part of the flexible display screen.
  • the supporting surface of the first supporting plate may be flush with the supporting surface of the second supporting plate.
  • the central axis is exposed between the first support plate and the second support plate.
  • the supporting surface of the first supporting plate is opposite to the supporting surface of the second supporting plate, and the two can be parallel to each other.
  • the first support plate, the central axis and the second support plate jointly support the bending portion of the flexible display, so that the flexible display is not easy to sag when the user holds or presses it, so as to improve the reliability of the flexible display.
  • the present application also provides an electronic device, including a flexible display screen and any one of the above-mentioned folding devices, the flexible display screen includes a first non-bending portion, a bending portion and a second non-bending portion arranged in sequence , the first non-bending part is fixed to the first shell, and the second non-bending part is fixed to the second shell.
  • the bending part occurs deformation.
  • the flexible display screen can be unfolded or folded with the folding device.
  • the flexible display screen When the electronic device is in the opened state, the flexible display screen is in a flattened state and can be displayed in full screen, so that the electronic device has a larger display area to improve the viewing experience of the user.
  • the planar size of the electronic device When the electronic device is in a closed state, the planar size of the electronic device is small, which is convenient for the user to carry and store.
  • FIG. 1 is a schematic structural view of an electronic device provided in an embodiment of the present application when it is in an open state;
  • Fig. 2 is a schematic structural view of the electronic device shown in Fig. 1 when it is in an intermediate state;
  • Fig. 3 is a schematic structural diagram of the electronic device shown in Fig. 1 when it is in a closed state;
  • Fig. 4 is a structural schematic diagram of the folding device shown in Fig. 1;
  • Fig. 5 is a schematic diagram of a partially exploded structure of the folding assembly shown in Fig. 4;
  • Fig. 6 is a schematic diagram of a partially exploded structure of the folding assembly shown in Fig. 5;
  • Fig. 7 is a structural schematic diagram of the folding assembly shown in Fig. 6 at another angle;
  • Fig. 8 is a schematic structural view of the first connection assembly shown in Fig. 6;
  • Fig. 9 is a schematic diagram of an exploded structure of the first connection assembly shown in Fig. 8.
  • Fig. 10 is a structural schematic diagram of the first connection assembly shown in Fig. 8 at another angle;
  • Fig. 11 is a schematic diagram of an exploded structure of the first connection assembly shown in Fig. 10;
  • Fig. 12 is a schematic structural view of the folding assembly shown in Fig. 5;
  • Fig. 13 is a partial schematic diagram of the folding assembly shown in Fig. 12;
  • Fig. 14 is a structural schematic diagram of the folding assembly shown in Fig. 12 at another angle;
  • Fig. 15 is a partial structural schematic diagram of the folding assembly shown in Fig. 14;
  • Fig. 16 is a schematic cross-sectional structure diagram of the folding assembly shown in Fig. 12 cut along A-A;
  • Fig. 17 is a schematic structural view of the structure shown in Fig. 16 in a closed state
  • Fig. 18 is a schematic cross-sectional structure diagram of the folding assembly shown in Fig. 12 cut along B-B;
  • Fig. 19 is a schematic structural view of the structure shown in Fig. 18 in a closed state
  • Fig. 20 is a schematic structural view of the folding assembly shown in Fig. 5 when it is in a closed state;
  • Fig. 21 is a structural schematic diagram of the folding device shown in Fig. 4 at another angle;
  • Fig. 22 is a schematic diagram of a partially exploded structure of the folding device shown in Fig. 21;
  • Fig. 23 is a schematic cross-sectional structure diagram of part of the structure of the folding device shown in Fig. 4 cut along C-C;
  • Fig. 24 is a schematic cross-sectional view of the partial structure of the folding device shown in Fig. 4 cut along D-D;
  • Fig. 25 is a schematic cross-sectional view of the partial structure of the folding device shown in Fig. 4 cut along E-E;
  • Fig. 26 is a schematic cross-sectional view of the partial structure of the folding device shown in Fig. 4 taken along F-F.
  • Embodiments of the present application provide a folding device and an electronic device.
  • the electronic device includes a folding device and a flexible display screen fixed to the folding device.
  • the folding device can be unfolded to an open state, can also be folded to a closed state, and can also be in an intermediate state between the open state and the closed state.
  • the flexible display unfolds or folds with the folding device.
  • FIG. 1 is a schematic structural diagram of an electronic device 100 provided in an embodiment of the present application when it is in an open state
  • FIG. 2 is a schematic structural diagram when the electronic device 100 shown in FIG. 1 is in an intermediate state
  • 3 is a schematic structural diagram of the electronic device 100 shown in FIG. 1 when it is in a closed state.
  • the electronic device 100 may be a mobile phone, a tablet computer, a notebook computer, a wearable device and other electronic products. This embodiment is described by taking the electronic device 100 as a mobile phone as an example.
  • the electronic device 100 includes a folding device 10 and a flexible display 20 .
  • the folding device 10 includes a first casing 1, a second casing 2 and a folding assembly 3.
  • the folding assembly 3 connects the first casing 1 and the second casing 2, and can make the first casing 1 and the second casing 2 Relatively unfolded to an open state or relatively folded to a closed state. That is, the first casing 1 , the folding assembly 3 and the second casing 2 are connected in sequence, and through the movement of the folding assembly 3 , the first casing 1 and the second casing 2 can rotate relative to each other to unfold or fold.
  • the first casing 1 and the second casing 2 can be relatively unfolded to an open state, so that the electronic device 100 is in an open state.
  • the two can be roughly 180° (a slight deviation is also allowed, such as 165°, 177° or 185°).
  • the first casing 1 and the second casing 2 can be relatively rotated (expanded or folded) to an intermediate state, so that the electronic device 100 is in an intermediate state.
  • the first casing 1 and the second casing 2 can be folded relative to each other to a closed state, so that the electronic device 100 is in a closed state.
  • the first housing 1 and the second housing 2 when they are in a closed state, they can be completely closed to be parallel to each other (a little deviation is also allowed).
  • the intermediate state shown in FIG. 2 may be any state between the open state and the closed state. Therefore, the electronic device 100 can switch between the open state and the closed state through the movement of the folding assembly 3 .
  • the flexible display 20 is used to display images.
  • the flexible display screen 20 may be an organic light-emitting diode (organic light-emitting diode, OLED) display screen, an active matrix organic light-emitting diode or an active-matrix organic light-emitting diode (active-matrix organic light-emitting diode , AMOLED) display, mini organic light-emitting diode (mini organic light-emitting diode) display, micro light-emitting diode (micro organic light-emitting diode) display, micro organic light-emitting diode (micro organic light-emitting diode) display, quantum Quantum dot light emitting diodes (QLED) displays, etc.
  • OLED organic light-emitting diode
  • AMOLED active-matrix organic light-emitting diode
  • mini organic light-emitting diode mini organic light-emitting diode
  • micro light-emitting diode micro
  • the flexible display screen 20 includes a first non-bending portion 201 , a bending portion 202 and a second non-bending portion 203 arranged in sequence.
  • the flexible display screen 20 is fixed on the folding device 10 .
  • the flexible display screen 20 can be bonded to the folding device 10 through an adhesive layer.
  • the first non-bending part 201 of the flexible display screen 20 is fixed to the first casing 1
  • the second non-bending part 203 is fixed to the second casing 2.
  • the bending portion 202 is deformed.
  • the flexible display screen 20 when the first housing 1 and the second housing 2 are in the open state, the flexible display screen 20 is in a flattened state; as shown in Figure 2, the first housing 1 and the second housing 2 are in the middle state, the flexible display 20 is in an intermediate state between the flattened state and the closed state; as shown in FIG. 3 , when the first casing 1 and the second casing 2 are in the closed state, the flexible display 20 is in the closed state.
  • the flexible display screen 20 may be located outside the folding device 10, and the flexible display screen 20 may be roughly U-shaped.
  • the flexible display screen 20 can be unfolded or folded along with the folding device 10 .
  • the flexible display 20 is in a flattened state and can be displayed on a full screen, so that the electronic device 100 has a larger display area to improve the user's viewing experience.
  • the planar size of the electronic device 100 is smaller (with a smaller width), which is convenient for the user to carry and store.
  • the rotation center of the electronic device 100 is parallel to the width direction of the electronic device 100 as an example. It affects the width dimension of the electronic device 100 .
  • the rotation center of the electronic device 100 may also be parallel to the length direction of the electronic device 100. At this time, the electronic device 100 can rotate up and down, and the unfolding or folding of the electronic device 100 affects the length dimension of the electronic device 100. .
  • FIG. 4 is a schematic structural diagram of the folding device 10 shown in FIG. 1
  • FIG. 5 is a schematic diagram of a partially exploded structure of the folding assembly 3 shown in FIG.
  • FIG. 7 is a schematic structural diagram of the folding assembly 3 shown in FIG. 6 at another angle.
  • none of the drawings of the present application shows the partial structure of the first housing 1 and the second housing 2 , in order to simplify the drawings and show the main structure of the folding device 10 more clearly.
  • the folding component 3 includes a central axis 31 , a first connecting component 32 , a second connecting component 33 , a first supporting plate 34 and a second supporting plate 35 .
  • the central axis 31 is located between the first casing 1 and the second casing 2 .
  • Both the first connecting assembly 32 and the second connecting assembly 33 are connected to the first casing 1, the central shaft 31 and the second casing 2, and through the movement of the first connecting assembly 32 and the second connecting assembly 33, the first casing 1 and the The second housing 2 can rotate relative to the central shaft 31 .
  • the first connecting component 32 and the second connecting component 33 are arranged at intervals in the axial direction of the central shaft 31 , and can be used as end connecting components, for example, can be respectively connected to the top and bottom of the central shaft 31 .
  • the movement of the first casing 1 and the second casing 2 relative to the axis 31 is more stable and reliable.
  • the first connecting component 32 and the second connecting component 33 may have the same structure, a mirror symmetrical structure, a central symmetrical structure or other different structures, and the embodiment of the present application takes the first connecting component 32 and the second connecting component 33 as examples for illustration , the first connection component 32 will be mainly described later.
  • the folding assembly 3 can also include a middle connection assembly, which can be connected to the middle of the central axis 31 and connect the first housing 1 and the second housing 2, so as to increase the reliability of the folding device 10 sex.
  • the structure of the middle connection component may be the same, partly the same or completely different from that of the first connection component 32 , which is not strictly limited in this embodiment of the present application.
  • the first support plate 34 is located on the side of the central axis 31 facing the first shell 1
  • the second support plate 35 is located on the side of the central axis 31 facing the second shell 2 .
  • the first support plate 34 and the second support plate 35 are connected to the first link assembly 32 and the second link assembly 33 so as to move with the first link assembly 32 and the second link assembly 33 during the movement of the folding device 10 .
  • the first support plate 34 , the central axis 31 and the second support plate 35 can jointly support the bending portion 202 of the flexible display 20 , so as to improve the reliability of the bending portion 202 of the flexible display 20 .
  • the first housing 1 has a first supporting surface 11 for supporting the flexible display screen 20 .
  • the second housing 2 has a second supporting surface 21 for supporting the flexible display screen 20 .
  • the first support surface 11 can be flush with the second support surface 21 to better support the flexible display screen 20, so that the flexible display screen 20 is more flexible.
  • Flat which is conducive to improving the user experience.
  • the first shell 1 and the second shell 2 can be integrally formed structural parts, or can be composite structural parts assembled from a plurality of structural parts.
  • the first support surface 11 and the second support surface 21 may be relatively complete and continuous planes, or may have structures such as notches and through holes.
  • FIG. 8 is a schematic structural view of the first connection assembly 32 shown in FIG. 6 .
  • FIG. 9 is a schematic exploded view of the first connection assembly 32 shown in FIG. A structural schematic view of a connecting component 32 at another angle
  • FIG. 11 is a schematic exploded structural view of the first connecting component 32 shown in FIG. 10 .
  • the first connection assembly 32 includes a first connection frame 321, a second connection frame 322, a first connection arm 323, a first transmission arm 324, a first linkage arm 325, a second connection arm 326, a second transmission Arm 327, second linkage arm 328, first damping member 329, second damping member 3210, synchronous assembly 3220, first elastic member 3230, second elastic member 3240, first limiting block 3250 and second limiting block 3260 .
  • the first connecting arm 323 includes a first end 323a and a second end 323b, the first end 323a of the first connecting arm 323 is rotatably connected to the first connecting frame 321, and the two can be rotatably connected through a solid shaft structure.
  • the two parts are rotationally connected through a solid shaft structure, which means that the two parts are mutually rotated through the solid shaft.
  • the shaft has a rotation center, and the two parts rotate relatively around the rotation center.
  • the outer structural members can also be fixedly connected to one of the structural members. Wherein, part of the rotating shaft is omitted in the drawings of the present application.
  • the first linkage arm 325 includes a first end 325 a and a second end 325 b, and the first end 325 a of the first linkage arm 325 is slidably connected to the second connecting frame 322 .
  • the first transmission arm 324 includes a first end 324a and a second end 324b, the first end 324a of the first transmission arm 324 is connected to the second end 323b of the first connecting arm 323, and the second end 324b of the first transmission arm 324 is connected to the second end 324b of the first transmission arm 324.
  • the second end 325 b of a linkage arm 325 that is, the first transmission arm 324 is connected to the first connecting arm 323 and the first linkage arm 325 .
  • the first transmission arm 324 can be a link structure, the first end 324a of the first transmission arm 324 is rotatably connected to the second end 323b of the first connecting arm 323, and the second end 324b of the first transmission arm 324 is rotatably connected to the first The second end 325b of the linkage arm 325 .
  • the first transmission arm 324, the first connecting arm 323 and the first linkage arm 325 may be connected in rotation through a solid shaft structure.
  • the first transmission arm 324 may also be a structure such as a chain or a connecting belt.
  • the second connecting arm 326 includes a first end 326a and a second end 326b.
  • the first end 326a of the second connecting arm 326 is rotatably connected to the second connecting frame 322, and the two can be rotatably connected through a solid shaft structure.
  • the second linkage arm 328 includes a first end 328 a and a second end 328 b, and the first end 328 a of the second linkage arm 328 is slidably connected to the first connecting frame 321 .
  • the second transmission arm 327 includes a first end 327a and a second end 327b, the first end 327a of the second transmission arm 327 is connected to the second end 326b of the second connecting arm 326, and the second end 327b of the second transmission arm 327 is connected to the second end 327b of the second transmission arm 327.
  • the second end 328 b of the second linkage arm 328 that is, the second transmission arm 327 is connected to the second connecting arm 326 and the second linkage arm 328 .
  • the second transmission arm 327 can be a link structure, the first end 327a of the second transmission arm 327 is rotatably connected to the second end 326b of the second connecting arm 326, and the second end 327b of the second transmission arm 327 is rotatably connected to the second end 327a.
  • the second end 328b of the linkage arm 328 can be rotatably connected through a solid shaft structure.
  • the first transmission arm 324 may also be a structure such as a chain or a connecting belt.
  • first connecting arm 323, the first transmission arm 324 and the first linkage arm 325 form a first connection chain
  • second transmission arm 327, the second connection arm 326 and the second linkage arm 328 form a second connection chain.
  • Chains, the first connecting frame 321 and the second connecting frame 322 form an interlocking structure through the first connecting chain and the second connecting chain.
  • the first connecting frame 321 and the second connecting frame 322 linkage.
  • the first connecting chain and the second connecting chain may be center-symmetric structures.
  • the first damping member 329 is mounted on the first link arm 325 for providing a damping force when the first link arm 325 and the second connecting frame 322 slide relative to each other.
  • the second connecting frame 322 is provided with a first sliding slot 322a, a first bayonet opening 322b and a second bayonet opening 322c, and the first bayonet opening 322b and the second bayonet opening 322c are spaced from each other and communicate with the first sliding slot 322a.
  • the second connecting frame 322 includes a first protrusion 322d separating the first bayonet 322b and the second bayonet 322c.
  • the first end 325a of the first linkage arm 325 is provided with a first installation groove 325c, and the first damper 329 is installed in the first installation groove 325c.
  • the first end 325a of the first linkage arm 325 is mounted on the first sliding slot 322a to be slidably connected to the second connecting frame 322 , and the first damping member 329 is partially locked into the first bayonet 322b or the second bayonet 322c.
  • the first linkage arm 325 and the second connecting frame 322 slide relative to each other, and the first damping member 329 abuts against the first protrusion 322d to generate a damping force.
  • the first damping member 329 can also be mounted on the second connecting frame 322 to provide a damping force when the first linkage arm 325 and the second connecting frame 322 slide relative to each other.
  • the first linkage arm 325 may form a bump, and during the relative sliding process of the first linkage arm 325 and the second connecting frame 322 , the first damping member 329 abuts against the bump to generate a damping force.
  • the second damping member 3210 is mounted on the second link arm 328 for providing a damping force when the second link arm 328 slides relative to the first connecting frame 321 .
  • the first connecting frame 321 is provided with a second sliding slot 321a, a third bayonet opening 321b and a fourth bayonet opening 321c, and the third bayonet opening 321b and the fourth bayonet opening 321c are spaced from each other and communicate with the second sliding slot 321a.
  • the first connecting frame 321 includes a second protrusion 321d separating the third bayonet 321b and the fourth bayonet 321c.
  • the first end 328a of the second linkage arm 328 is provided with a second installation slot 328c, and the second damper 3210 is installed in the second installation slot 328c.
  • the first end 328a of the second linkage arm 328 is mounted on the second sliding slot 321a to be slidably connected to the first connecting frame 321 , and the second damping member 3210 is partially inserted into the third bayonet 321b or the fourth bayonet 321c.
  • the second linkage arm 328 slides relative to the first connecting frame 321 , and the second damping member 3210 abuts against the second protrusion 321d to generate a damping force.
  • the second damping member 3210 can also be installed on the first connecting frame 321 to provide a damping force when the second linkage arm 328 slides relative to the first connecting frame 321 .
  • the second linkage arm 328 may form a protrusion, and during the relative sliding process of the second linkage arm 328 and the first connecting frame 321 , the second damping member 3210 abuts against the protrusion to generate a damping force.
  • the synchronization assembly 3220 includes a first swing arm 3220a, a second swing arm 3220b, a plurality of synchronization gears 3220c and a damping component 3220d.
  • the first swing arm 3220a includes a first end and a second end, and the first end of the first swing arm 3220a is slidably connected to the first connecting frame 321 .
  • the second swing arm 3220b includes a first end and a second end, and the second end of the second swing arm 3220b is slidably connected to the second connecting frame 322 .
  • the number of synchronous gears 3220c may be two, four, or the like.
  • the plurality of synchronous gears 3220c mesh with each other, and the plurality of synchronous gears 3220c mesh with the second end of the first swing arm 3220a and the second end of the second swing arm 3220b.
  • the damping member 3220d is connected to the second end of the first swing arm 3220a, the plurality of synchronous gears 3220c and the second end of the second swing arm 3220b, and is used for the relative movement of the first swing arm 3220a, the synchronous gear 3220c and the second swing arm 3220b. Provides damping force during movement.
  • the damping component 3220d may include a plurality of rotating shafts 3220e, the second end of the first swing arm 3220a is installed on one of the rotating shafts 3220e, the second end of the second swing arm 3220b is installed on the other rotating shaft 3220e, and the plurality of synchronous gears 3220c are respectively Installed on other different rotating shafts 3220e, the first swing arm 3220a, the second swing arm 3220b and the plurality of synchronous gears 3220c are all rotatably connected to the damping component 3220d.
  • the first connecting frame 321 may include a first guide post 321e, and the first elastic member 3230 is sleeved on the first guide post 321e to extend along the extending direction of the first guide post 321e. produce deformation. That is, the first guide post 321e can guide the deformation direction of the first elastic member 3230 when the first elastic member 3230 is deformed under force, so as to reduce the risk of damage or failure of the first elastic member 3230 and improve reliability.
  • there are multiple first guide posts 321e and the plurality of first guide posts 321e are arranged at intervals with each other.
  • the number of the first elastic members 3230 may be multiple, and the plurality of first elastic members 3230 are respectively sleeved on different first guide posts 321e and spaced apart from each other.
  • the first limiting block 3250 is fixedly connected to the first connecting frame 321 .
  • the first limiting block 3250 can be fixed to the first connecting frame 321 through fasteners (not shown in the figure), and the fasteners can be but not limited to screws, rivets and the like.
  • the first limiting block 3250 may be arranged close to the first elastic member 3230 .
  • the number of the first limit block 3250 can be one or more.
  • the second connecting frame 322 may include a second guide post 322e, and the second elastic member 3240 is sleeved on the second guide post 322e to produce deformation along the extending direction of the second guide post 322e. That is, the second guide post 322e can guide the deformation direction of the second elastic member 3240 when the second elastic member 3240 is deformed under force, so as to reduce the risk of damage or failure of the second elastic member 3240 and improve reliability.
  • the number of the second guide posts 322e is multiple, and the plurality of second guide posts 322e are arranged at intervals with each other.
  • the number of the second elastic members 3240 may be multiple, and the plurality of second elastic members 3240 are respectively sleeved on different second guide posts 322e and spaced apart from each other.
  • the second limiting block 3260 is fixedly connected to the second connecting frame 322 .
  • the second limiting block 3260 can be fixed to the second connecting frame 322 through fasteners (not shown in the figure), and the fasteners can be but not limited to screws, rivets and the like.
  • the second limiting block 3260 may be arranged close to the second elastic member 3240 .
  • the second limiting block 3260 may be arranged close to the second elastic member 3240 .
  • the number of the second limit block 3260 can be one or more.
  • Figure 12 is a schematic structural view of the folding assembly 3 shown in Figure 5
  • Figure 13 is a partial schematic view of the folding assembly 3 shown in Figure 12
  • Figure 14 is a schematic view of the folding assembly 3 shown in Figure 12 Schematic diagram of the structure of the angle
  • FIG. 15 is a schematic diagram of a part of the structure of the folding assembly 3 shown in FIG. 14 .
  • the first connecting component 32 is connected to the central shaft 31 .
  • the central axis 31 includes an outer shell 311 and an inner shell 312.
  • the outer shell 311 cooperates with the inner shell 312 to form a plurality of installation spaces.
  • the first connecting chain, the second connecting chain and the synchronization assembly 3220 can be installed in different installation spaces to connect the central axis 31 .
  • the outer shell 311 and the inner shell 312 can be fixedly connected by fasteners or the like, and the two cooperate to prevent the first connecting component 32 from falling off.
  • the second end 323b of the first connecting arm 323, the second end 325b of the first transmission arm 324 and the first linkage arm 325 are installed on the central axis 31, the second end 326b of the second connecting arm 326, the second transmission arm 327 and the second end 328b of the second linkage arm 328 are mounted on the central shaft 31 .
  • the damping part 3220d of the synchronization assembly 3220, the second end of the first swing arm 3220a and the second end of the second swing arm 3220b are installed on the central axis 31, and the first swing arm 3220a and the second swing arm 3220b are both rotatably connected to the central axis 31 .
  • the synchronization assembly 3220 is installed on the central axis 31 , and the two ends of the synchronization assembly 3220 are respectively connected to the first connecting frame 321 and the second connecting frame 322 .
  • FIG. 16 is a schematic cross-sectional view of the folding assembly 3 shown in FIG. 12 along A-A
  • FIG. 17 is a schematic structural view of the structure shown in FIG. 16 in a closed state.
  • the second end 323b of the first connecting arm 323 is slidably connected to the central shaft 31
  • the second end 325b of the first linkage arm 325 is rotationally connected to the central shaft 31
  • the first connecting arm 323 is rotatably connected to the first connecting frame 321 and slidingly connected to the central axis 31
  • the first linkage arm 325 is rotatably connected to the central axis 31 and slidably connected to the second connecting frame 322
  • the first transmission arm 324 is installed
  • the first connecting arm 323 and the first linkage arm 325 are connected to the central axis 31 .
  • the first connecting frame 321 and the second connecting frame 322 rotate relative to the central axis 31 , and they can be relatively unfolded to an open state or relatively folded to a closed state.
  • the central shaft 31 and the first linkage arm 325 may be rotationally connected through a virtual shaft structure.
  • the two parts are rotationally connected through a virtual shaft structure, which means that the two parts do not rotate with each other through the physical shaft, but realize the relative rotation around the rotation center through the structure of the arc-shaped arm and the arc-shaped groove.
  • the sliding track of the second end 323b of the first connecting arm 323 in the central shaft 31 is arc-shaped.
  • the central axis 31 can form an arc-shaped groove through the arc-shaped surface of its outer shell 311 and the arc-shaped surface of the inner shell 312, and the rotating shaft (not shown) connected to the second end 323b of the first connecting arm 323
  • the sliding track of the second end 323b of the first connecting arm 323 is arc-shaped by sliding in the arc-shaped slot.
  • the sliding track of the second end 323b of the first connecting arm 323 in the central axis 31 may also be a straight line or a spline curve, which is not strictly limited in this embodiment.
  • the rotation center of the second end 323b of the first connecting arm 323 is different from the rotation center of the first transmission arm 324 when it rotates relative to the central axis 31 .
  • the rotation center of the second end 323b of the first connecting arm 323 relative to the first transmission arm 324 may be located at or close to the end of the second end 323b of the first connecting arm 323 .
  • FIG. 18 is a schematic cross-sectional view of the folding assembly 3 shown in FIG. 12 along B-B
  • FIG. 19 is a schematic structural view of the structure shown in FIG. 18 in a closed state.
  • the second end 326b of the second connecting arm 326 is slidably connected to the central shaft 31
  • the second end 328b of the second linkage arm 328 is rotationally connected to the central shaft 31
  • the second connecting arm 326 is rotatably connected to the second connecting frame 322 and slidably connected to the central axis
  • the second linkage arm 328 is rotatably connected to the central axis 31 and slidably connected to the first connecting frame 321, and the second transmission arm 327 is installed
  • the second connecting arm 326 and the second linkage arm 328 are connected to the central axis 31 .
  • the first connecting frame 321 and the second connecting frame 322 rotate relative to the central axis 31 , and they can be relatively unfolded to an open state or relatively folded to a closed state.
  • the central shaft 31 and the second linkage arm 328 may be rotationally connected through a virtual shaft structure.
  • the sliding track of the second end 326b of the second connecting arm 326 in the central shaft 31 is arc-shaped.
  • the central shaft 31 can form an arc groove by matching the arc surface of its outer shell 311 with the arc surface of the inner shell 312, and the rotating shaft (not shown) connected to the second end 326b of the second connecting arm 326 is
  • the sliding track of the second end 326 b of the second connecting arm 326 is arc-shaped by sliding in the arc-shaped slot.
  • the sliding track of the second end 326b of the second connecting arm 326 in the central axis 31 may also be a straight line or a spline curve, which is not strictly limited in this embodiment.
  • the rotation center of the second end 326b of the second connecting arm 326 is different from the rotation center of the second transmission arm 327 when it rotates relative to the central axis 31 .
  • the rotation center of the second end 326b of the second connecting arm 326 relative to the second transmission arm 327 may be located at or close to the end of the second end 326b of the second connecting arm 326 .
  • the first connecting arm 323 , the first transmission arm 324 and the first linkage arm 325 are connected to the second connection arm 326 , the second transmission arm 327 and the second linkage arm.
  • 328 forms an interlocking structure, so that the first connecting frame 321 and the second connecting frame 322 can rotate relative to the central axis 31 to be relatively unfolded to an open state or relatively folded to a closed state, while the folding assembly 3 has better mechanical tensile capacity And institutional anti-extrusion ability.
  • the first connecting frame 321 and the second connecting frame 322 move toward the direction close to the central axis 31;
  • the first connecting frame 321 and the second connecting frame 322 move away from the central axis 31 .
  • the length dimension of the folding assembly 3 can be kept consistent or relatively close during the movement, so as to better support the bending portion 202 of the flexible display 20, reduce the risk of pulling or squeezing the flexible display 20, and improve flexibility. The reliability and service life of the display screen 20 and the electronic device 100 .
  • the length dimension of the folding assembly 3 refers to the dimension extending from the end of the first connecting frame 321 facing away from the central axis 31, through the central axis 31, to the end of the second connecting frame 322 facing away from the central axis 31, This size is a dynamic size that changes with the movement of the folding assembly 3 .
  • first link arm 325 and the center shaft 31 are rotationally connected through a virtual shaft structure, and between the first link arm 323 and the first transmission arm 324 , and between the first transmission arm 324 and the first link arm 325 are connected by physical
  • the shaft structure is rotated and connected, and by ingeniously setting the rotating structure between different parts, the space occupied by the first connecting chain and the central shaft 31 is small, and the thickness is small, which is conducive to reducing the thickness of the folding assembly 3, so that the folding device 10 and The electronic device 100 is easier to achieve thinner and lighter.
  • the synchronization component 3220 is installed on the central axis 31 , and the two ends are respectively connected to the first connecting frame 321 and the second connecting frame 322 . , so that the rotation angles of the first connecting frame 321 and the second connecting frame 322 are synchronized.
  • the second end of the first swing arm 3220a is meshed with the second end of the second swing arm 3220b through a plurality of synchronous gears 3220c, the second end of the first swing arm 3220a is rotationally connected to the second end of the second swing arm 3220b
  • the central axis 31, the first end of the first swing arm 3220a is slidably connected to the first connecting frame 321, and the first end of the second swing arm 3220b is slidably connected to the second connecting frame 322.
  • the connection between the first connecting frame 321 and the second connecting frame 322 in the process of relatively unfolding or relative folding, the first swing arm 3220a and the second swing arm 3220b can control the rotation angles of the first connecting frame 321 and the second connecting frame 322 relative to the central axis 31 to be consistent, so that the first connecting frame 321 and the second connecting frame 322
  • the rotation action of the second connecting frame 322 is synchronous and consistent, and the folding action and unfolding action of the folding assembly 3 are more symmetrical, which is beneficial to improve the user experience.
  • FIG. 20 is a schematic structural view of the folding assembly 3 shown in FIG. 5 when it is in a closed state.
  • the folding device 10 when the folding device 10 is in an open state, part of the central axis 31 is exposed through the gap between the first support plate 34 and the second support plate 35 .
  • the supporting surface 341 of the first supporting plate 34 may be flush with the supporting surface 351 of the second supporting plate 35 .
  • the first support plate 34 , the central axis 31 and the second support plate 35 are used to jointly support the bending portion 202 of the flexible display 20 to improve the flatness and reliability of the bending portion 202 of the flexible display 20 .
  • the central axis 31 is exposed between the first support plate 34 and the second support plate 35 .
  • the supporting surface 341 of the first supporting plate 34 is opposite to the supporting surface 351 of the second supporting plate 35 , and the two can be parallel to each other.
  • the first support plate 34, the central axis 31 and the second support plate 35 jointly support the bending portion 202 of the flexible display 20, so that the flexible display 20 is not easy to sag when the user holds or presses the action, so as to improve the flexibility of the flexible display. 20 reliability.
  • the first support plate 34 may be fixedly connected to the second linkage arm 328
  • the second support plate 35 may be fixedly connected to the first linkage arm 325 .
  • the first support plate 34 moves with the first link arm 325
  • the second support plate 35 moves with the second link arm 328 .
  • the first support plate 34 includes a first plate body 342 and a first fixing block 343 fixed to the first plate body 342 , and the support surface 341 of the first support plate 34 is formed on the first plate body 342 The side facing away from the first fixing block 343 .
  • the second support plate 35 includes a second plate body 352 and a second fixing block 353 fixed on the second plate body 352, and the supporting surface 351 of the second support plate 35 is formed on the side of the second plate body 352 facing away from the second fixing block 353. side.
  • the first linkage arm 325 of the first connection assembly 32 has a first fixing portion 325d
  • the second linkage arm 328 has a second fixing portion 328d.
  • the first fixing block 343 can be fixed to the second fixing part 328d by fasteners or adhesives. The fastening holes are used to lock the first fixing block 343 and the second fixing portion 328d.
  • Fastening holes may be provided at both the second fixing block 353 and the first fixing portion 325d, and the second fixing block 353 may be fixed to the first fixing portion 325d by fasteners or adhesives.
  • the connection manner of the first support plate 34 and the second support plate 35 with the second connection assembly 33 can refer to the connection manner with the first connection assembly 32 .
  • first support plate 34 and the second link arm 328 are fixed to each other, and the second support plate 35 and the first link arm 325 are fixed to each other, so the second link arm 328 can directly control the movement of the first support plate 34 trajectory, the first linkage arm 325 can directly control the movement trajectory of the second support plate 35, so that the control precision of the first support plate 34 and the second support plate 35 during the movement of the folding device 10 is high, and the hysteresis is small, thereby accurately
  • the expansion and contraction can be realized during the rotation process of the folding device 10 to meet the supporting requirements of the flexible display screen 20 .
  • FIG. 21 is a structural schematic view of the folding device 10 shown in FIG. 4 at another angle
  • FIG. 22 is a partial exploded structural schematic view of the folding device 10 shown in FIG.
  • the first connecting frame 321 is slidably connected to the first housing 1 without detaching from the first housing 1
  • the second connecting frame 322 is slidably connected to the second housing 2 without detaching from the second housing 2 .
  • the sliding connection between the first connecting frame 321 and the first casing 1 and between the second connecting frame 322 and the second casing 2 can be realized through a sliding rail structure, such as a matching structure of a sliding block and a sliding groove.
  • a slide block and/or a slide groove may be provided on the first connecting frame 321, and a slide groove and/or a slide block may be provided on the first housing 1, and the cooperation between the slide block and the slide groove realizes the connection between the first connecting frame 321 and the second slide groove.
  • a slide block and/or a slide groove may be provided on the second connecting frame 322, a slide groove and/or a slide block may be provided on the second housing 2, and the cooperation between the slide block and the slide groove realizes that the second connecting frame 322 and the second housing Sliding connection between body 2.
  • the sliding connection between the first connecting frame 321 and the first casing 1 and between the second connecting frame 322 and the second casing 2 can also be realized through other structures, which are not strictly limited in this application.
  • the cooperation structure between the above-mentioned slider and the chute can be implemented in various structures and positional relationships, which are not strictly limited in this embodiment of the present application.
  • the first connecting frame 321 can be realized not to disengage from the first housing 1 through a limiting structure, for example, through a matching structure between a limiting groove and a limiting block, or two fastener structures that can move with each other but not disengage; It is also possible to realize that the first connecting frame 321 does not break away from the first housing 1 through a connecting piece, such as a deformable elastic connecting piece (such as a spring, etc.), or a bendable, inextensible connecting piece (such as a rope, a chain, etc.) and the like. .
  • the present application does not strictly limit the specific realization structure that the first connecting frame 321 does not break away from the first housing 1.
  • the second connecting frame 322 can also be prevented from detaching from the second casing 2 through a limiting structure or a connecting piece, which is not strictly limited in the present application.
  • the first connecting frame 321 is rotatably connected to the central shaft 31
  • the second connecting frame 322 is rotatably connected to the central shaft 31
  • the first connecting frame 321 and the second connecting frame 322 Can be relatively unfolded or relatively folded. Since the first connecting frame 321 is connected to the first casing 1 without detaching from the first casing 1, and the second connecting frame 322 is connected to the second casing 2 without detaching from the second casing 2, the first connecting frame 321 can drive the second casing 2.
  • the second connecting frame 322 can drive the second housing 2 to move, so that the first housing 1 and the second housing 2 are relatively unfolded to an open state or relatively folded to a closed state through the folding assembly 3 .
  • the folding device 10 can realize the pull-in movement of the connection frame during the change from the open state to the closed state, and the push-out movement of the connection frame during the change from the closed state to the open state of the folding device 10, the folding device 10 It is possible to realize the pulling movement of the housing in the process of changing from the open state to the closed state, and the outward pushing movement of the housing in the process of changing the closed state of the folding device 10 to the open state, so that the folding device 10 can be unfolded or folded.
  • the first connecting frame 321 is slidably connected to the first casing 1, there is a sliding gap between the two, and the second connecting frame 322 is slidably connected to the second casing 2, and there is also a sliding gap between the two, the above-mentioned sliding gap can be
  • first connection frame 321 does not separate from the first casing 1 and the second connection frame 322 does not separate from the second casing 2, which means that during the normal use of the electronic device 100, the two
  • first connecting frame 321 is allowed to separate from the first housing 1 and the second connecting frame 322 is allowed to separate from the second housing 2 .
  • the first damping member 329 is used to provide a Damping force
  • the second damping member 3210 is used to provide a damping force during the relative sliding process of the second linkage arm 328 and the first connecting frame 321, that is, when the first connecting frame 321 drives the first housing 1 to rotate relative to the central axis 31 1.
  • the first damping member 329 and the second damping member 3210 provide a certain damping force, so that the user can experience a better mechanism operation feeling.
  • the folding device 10 is provided with a synchronization component 3220, the synchronization component 3220 is used to keep the rotation angles of the first connecting frame 321 and the second connecting frame 322 synchronized during the movement of the folding device 10, and the first connecting frame 321 drives The first casing 1 rotates, and the second connecting frame 322 drives the second casing 2, so the synchronization component 3220 can keep the first casing 1 and the second casing 2 in sync during the movement of the folding device 10, so as to improve user use experience.
  • FIG. 23 is a schematic cross-sectional view of the partial structure of the folding device 10 shown in FIG. 4 along C-C
  • FIG. 24 is a partial structure of the folding device 10 shown in FIG. 4 along D-D. Schematic diagram of the cross-sectional structure. Wherein, the first support plate 34 and the second support plate 35 of the folding assembly 3 are not shown in FIG. 23 and FIG. 24 .
  • the two ends of the first elastic member 3230 of the folding assembly 3 contact the first connecting frame 321 and the first shell 1 respectively, and the two ends of the second elastic member 3240 contact the second connecting frame 322 and the second shell respectively.
  • Body 2 When the folding device 10 is in an open state, the first connecting frame 321 and the second connecting frame 322 are located on both sides of the central axis 31 , and the first elastic member 3230 and the second elastic member 3240 are in a compressed state.
  • the elastic force generated by the first elastic member 3230 pushes the first casing 1 away from the first connecting frame 321, absorbing the first casing 1 and the first connecting frame 321.
  • the sliding gap between the second elastic member 3240 pushes the second casing 2 away from the second connecting frame 322, absorbing the sliding gap between the second casing 2 and the second connecting frame 322, thus folding
  • the component 3 can realize the outward pushing action of the first shell 1 and the second shell 2, and the folding device 10 can flatten the flexible display 20 (see FIG. 1 ), avoiding the middle arch of the flexible display 20 due to long-term bending. to improve the flatness and reliability of the flexible display 20.
  • the first elastic member 3230 and the second elastic member 3240 may also be in a compressed state.
  • the elastic force generated by the first elastic member 3230 and the second elastic member 3240 can also achieve the purpose of absorbing the sliding gap, so that the flexible display screen 20 is stretched by the folding device 10, and it is not easy to produce wrinkles or arches, so as to have a higher reliability.
  • the states of the first elastic member 3230 and the second elastic member 3240 may change, for example, between the compressed state and the natural state, or the degree of compression changes. This example is not strictly limited.
  • the compression degrees of the first elastic member 3230 and the second elastic member 3240 in the open state and the closed state may be the same or different, which is not strictly limited in this embodiment of the present application.
  • FIG. 25 is a schematic cross-sectional view of the partial structure of the folding device 10 shown in FIG. 4 along E-E
  • FIG. 26 is a partial structure of the folding device 10 shown in FIG. Schematic diagram of the cross-sectional structure. Wherein, the first support plate 34 and the second support plate 35 of the folding assembly 3 are not shown in FIG. 23 and FIG. 24 .
  • the first housing 1 has a first limiting groove 12, the first limiting groove 12 includes a first side wall 121 and a second side wall 122 oppositely arranged, the first side wall 121 is located on the second side wall 122 and the central axis 31.
  • the second housing 2 has a second limiting groove 22, the second limiting groove 22 includes a third side wall 221 and a fourth side wall 222 oppositely arranged, the third side wall 221 is located between the fourth side wall 222 and the central axis 31 between.
  • the folding assembly 3 also includes a first limiting block 3250 and a second limiting block 3260 .
  • the first limiting block 3250 is fixedly connected to the first connecting frame 321 and located in the first limiting groove 12. Under the elastic force of the first elastic member 3230, the first limiting block 3250 abuts against the first side wall 121 and is in contact with the second side wall 121. A gap is formed between the side walls 122 .
  • the second limiting block 3260 is fixedly connected to the second connecting frame 322 and is located in the second limiting groove 22. A gap is formed between the side walls 222 .
  • the first limiting block 3250 slides in the first limiting groove 12 of the first housing 1 and is limited between the first side wall 121 and the second side wall 122 , the first The limiting block 3250 is fixedly connected to the first connecting frame 321 so that the first connecting frame 321 does not separate from the first housing 1; the second limiting block 3260 slides in the second limiting groove 22 of the second housing 2, and Positioned between the third sidewall 221 and the fourth sidewall 222 , the second limiting block 3260 is fixedly connected to the second connecting frame 322 so that the second connecting frame 322 does not separate from the second casing 2 .
  • the connection structure between the first connecting frame 321 and the first casing 1 and the connecting structure between the second connecting frame 322 and the second casing 2 are simple and easy to implement, which is beneficial to reduce the difficulty and cost of manufacturing the folding device 10 .
  • the first connecting frame 321 has a first fastening hole 321f
  • the first limiting block 3250 has a second fastening hole 3250a
  • the second fastening hole 3250a is facing the first fastening hole 3250a.
  • the first housing 1 further includes a first through hole 13 , the first through hole 13 communicates with the first limiting groove 12 and covers the second fastening hole 3250a.
  • the folding assembly 3 also includes a first fastener 36, which can extend into the second fastening hole 3250a and the first fastening hole 321f through the first through hole 13, so as to lock the first stopper 3250 and the first connecting frame 321.
  • the first limiting block 3250 and the first connecting frame 321 adopt a separate design structure, so that the first limiting block 3250 can be installed in the first limiting groove 12 first, and then the first connecting frame 321 is slid into the first housing 1, the first fastening hole 321f is opposite to the second fastening hole 3250a, and then the first fastening member 36 is inserted into the second fastening hole 3250a and the first fastening hole 3250a through the first through hole 13 hole 321f, so as to lock the first limiting block 3250 and the first connecting frame 321.
  • This assembly method is simple and easy to realize.
  • the first limiting block 3250 is fixedly connected to the first connecting frame 321 , and the first limiting block 3250 is defined in the first limiting slot 12 , so the first connecting frame 321 and the first casing 1 are not detached.
  • the first limiting block 3250 is located between the first connecting frame 321 and the first casing 1, and the stacking direction of the three can be perpendicular to the sliding direction of the first connecting frame 321 and the first casing 1, so that the first When the limiting block 3250 is fixed to the first connecting frame 321 , it prevents the first connecting frame 321 from detaching from the first housing 1 .
  • the second connecting frame 322 has a third fastening hole 322f
  • the second limiting block 3260 has a fourth fastening hole 3260a
  • the third fastening hole 322f is facing the fourth fastening hole 322f. hole 3260a.
  • the second housing 2 further includes a second through hole 23 , the second through hole 23 communicates with the second limiting groove 22 and covers the fourth fastening hole 3260a.
  • the folding assembly 3 also includes a second fastener 37, which can extend into the fourth fastening hole 3260a and the third fastening hole 322f through the second through hole 23, so as to lock the second stopper 3260 and the second connecting frame 322 .
  • the second limiting block 3260 and the second connecting frame 322 adopt a separate design structure, so that the second limiting block 3260 can be installed in the second limiting groove 22 first, and then the second connecting frame 322 can be slid into the second housing 2, the fourth fastening hole 3260a is facing the third fastening hole 322f, and then the second fastening member 37 is inserted into the fourth fastening hole 3260a and the third fastening hole 322f through the second through hole 23. hole 322f, thereby locking the second limiting block 3260 and the second connecting frame 322, the assembly method is simple and easy to realize.
  • the second limiting block 3260 is fixedly connected to the second connecting frame 322 , and the second limiting block 3260 is defined in the second limiting slot 22 , so the second connecting frame 322 and the second casing 2 are not detached.
  • the second limiting block 3260 is located between the second connecting frame 322 and the second casing 2, and the stacking direction of the three can be perpendicular to the sliding direction of the second connecting frame 322 and the second casing 2, so that When the limiting block 3260 is fixed to the second connecting frame 322 , it prevents the second connecting frame 322 from detaching from the second casing 2 .
  • connection structure between the first connecting frame 321 and the first casing 1 and the connection structure between the second connecting frame 322 and the second casing 2 are exemplary structures, and the first connection can also be realized through other structures.
  • the frame 321 is not detached from the first housing 1
  • the second connecting frame 322 is not detached from the second housing 2 , which is not strictly limited in this embodiment of the present application.

Abstract

一种折叠装置及电子设备。折叠装置(10)用于承载电子设备(100)的柔性显示屏(20)。折叠装置(10)包括第一壳体(1)、第二壳体(2)及折叠组件(3)，折叠组件(3)连接第一壳体(1)与第二壳体(2)，且能够使第一壳体(1)与第二壳体(2)相对展开至打开状态或相对折叠至闭合状态。折叠组件(3)包括中轴(31)、第一连接架(321)、第二连接架(322)、第一弹性件(3230)和第二弹性件(3240)。折叠装置(10)处于打开状态时，第一弹性件(3230)和第二弹性件(3240)处于压缩状态，以撑开柔性显示屏(20)的折弯部(202)，使得折弯部(202)的平整度较佳，使用寿命较长。

Description

折叠装置及电子设备
本申请要求于2021年06月17日提交中国专利局、申请号为202110673122.7、申请名称为“折叠装置及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及可折叠电子产品技术领域，尤其涉及一种折叠装置及电子设备。
背景技术
近年来，柔性显示屏由于其具有轻薄、不易碎等特点，被广泛应用于各种可折叠的电子设备中。其中，可折叠的电子设备还包括用于承载柔性显示屏的折叠装置，折叠装置能够展开至打开状态或折叠至闭合状态，柔性显示屏随折叠装置展开或折叠。然而，柔性显示屏的折弯部容易在电子设备处于打开状态时拱起而发生损坏，导致柔性显示屏的使用寿命变短。
发明内容
本申请的目的在于提供了一种折叠装置及电子设备。折叠装置用于承载柔性显示屏，折叠装置处于打开状态时，柔性显示屏的折弯部的平整度较佳，柔性显示屏不易损坏，可靠性较高，使用寿命较长。
第一方面，本申请提供一种折叠装置，可以应用于具有柔性显示屏的电子设备，折叠装置用于承载柔性显示屏。折叠装置包括第一壳体、第二壳体及折叠组件，折叠组件连接第一壳体与第二壳体，且能够使第一壳体与第二壳体相对展开至打开状态或相对折叠至闭合状态。折叠组件包括中轴、第一连接架以及第二连接架，第一连接架转动连接中轴，第二连接架转动连接中轴，第一连接架和第二连接架能够相对展开或相对折叠。折叠组件还包括第一弹性件和第二弹性件，第一连接架滑动连接第一壳体且不脱离第一壳体，第一弹性件的两端分别接触第一连接架和第一壳体。第二连接架滑动连接第二壳体且不脱离第二壳体，第二弹性件的两端分别接触第二连接架和第二壳体。折叠装置处于打开状态时，第一弹性件和第二弹性件处于压缩状态。
在本申请中，由于第一连接架和第二连接架能够相对展开或相对折叠，第一连接架连接第一壳体且不脱离第一壳体，第二连接架连接第二壳体且不脱离第二壳体，因此第一连接架能够带动第一壳体运动，第二连接架能够带动第二壳体运动，使得第一壳体和第二壳体通过折叠组件相对展开至打开状态或相对折叠至闭合状态。
折叠装置处于打开状态时，第一弹性件产生的弹性力将第一壳体推离第一连接架，吸收了第一壳体与第一连接架之间的滑动间隙，第二弹性件产生的弹性力将第二壳体推离第二连接架，吸收了第二壳体与第二连接架之间的滑动间隙，因此折叠装置能够实现第一壳体和第二壳体的外推动作，折叠装置能够撑平柔性显示屏，避免柔性显示屏由于长期的弯折而导致中间拱起的问题，以提高柔性显示屏的平整度和可靠性，使得柔性显示屏的使用寿命较长。
其中，由于折叠装置能够实现在打开状态向闭合状态变化的过程中的连接架内拉运 动、和折叠装置在闭合状态向打开状态变化的过程中的连接架外推运动，因此折叠装置能够实现在打开状态向闭合状态变化的过程中的壳体内拉运动、和折叠装置在闭合状态向打开状态变化的过程中的壳体外推运动，使得折叠装置在展开或折叠的过程中，能够实现以柔性显示屏为中性面或靠近柔性显示屏的位置为中性面的变形运动，从而降低拉扯或挤压柔性显示屏的风险，以保护柔性显示屏，提高柔性显示屏的可靠性，使得柔性显示屏和电子设备具有较长的使用寿命。
此外，由于第一连接架滑动连接第一壳体，两者之间存在滑动间隙，第二连接架滑动连接第二壳体，两者之间亦存在滑动间隙，上述滑动间隙可以在电子设备的运动过程中，使得折叠装置的长度与柔性显示屏的长度更易适配，从而提高折叠装置运动的顺畅度，且降低拉扯或挤压柔性显示屏的风险，提高折叠装置和柔性显示屏的可靠性，使得电子设备具有较长的使用寿命。
一些可能的实现方式中，折叠装置处于闭合状态时，第一弹性件和第二弹性件处于压缩状态。此时，第一弹性件和第二弹性件产生的弹性力同样可以实现吸收滑动间隙的目的，使得柔性显示屏被折叠装置撑开，不易产生褶皱或拱起，以具有较高的可靠性。
一些可能的实现方式中，第一壳体具有第一限位槽，第一限位槽包括相对设置的第一侧壁和第二侧壁，第一侧壁位于第二侧壁与中轴之间；第二壳体具有第二限位槽，第二限位槽包括相对设置的第三侧壁和第四侧壁，第三侧壁位于第四侧壁与中轴之间。
折叠组件还包括第一限位块和第二限位块；第一限位块固定连接第一连接架且位于第一限位槽，在第一弹性件的弹性力下，第一限位块抵持第一侧壁且与第二侧壁之间形成间隙；第二限位块固定连接第二连接架且位于第二限位槽，在第二弹性件的弹性力下，第二限位块抵持第三侧壁且与第四侧壁之间形成间隙。
在本实现方式中，通过第一限位块于第一壳体的第一限位槽中滑动，且被限位在第一侧壁与第二侧壁之间，第一限位块固定连接第一连接架，使得第一连接架不脱离第一壳体；通过第二限位块于第二壳体的第二限位槽中滑动，且被限位在第三侧壁与第四侧壁之间，第二限位块固定连接第二连接架，使得第二连接架不脱离第二壳体。第一连接架与第一壳体的连接结构及第二连接架与第二壳体的连接结构简单、易实现，有利于降低折叠装置的制备难度和成本。
一些可能的实现方式中，第一连接架具有第一紧固孔，第一限位块具有第二紧固孔，第二紧固孔正对第一紧固孔，第一壳体还包括第一通孔，第一通孔连通第一限位槽，且覆盖第二紧固孔。折叠组件还包括第一紧固件，第一紧固件能够经第一通孔伸入第二紧固孔和第一紧固孔，以锁紧第一限位块与第一连接架。
在本实现方式中，第一限位块与第一连接架采用分体设计结构，使得第一限位块可以先装入第一限位槽，然后将第一连接架滑入第一壳体，第一紧固孔与第二紧固孔正对，接着将第一紧固件经第一通孔伸入第二紧固孔和第一紧固孔，从而锁紧第一限位块与第一连接架，该组装方式简单、易实现。此时，第一限位块固定连接第一连接架，且第一限位块被限定于第一限位槽中，因此第一连接架与第一壳体不脱离。
一些可能的实现方式中，第一连接架包括第一导向柱，第一弹性件套设于第一导向柱，以沿第一导向柱的延伸方向产生形变。在本实现方式中，第一导向柱可以在第一弹性件受力发生形变时，引导第一弹性件的形变方向，以降低第一弹性件发生损坏或失效的风险，提高可靠性。
其中，第二连接架可以包括第二导向柱，第二弹性件套设于第二导向柱，以沿第二 导向柱的延伸方向产生形变。在本实现方式中，第二导向柱可以在第二弹性件受力发生形变时，引导第二弹性件的形变方向，以降低第二弹性件发生损坏或失效的风险，提高可靠性。
一些可能的实现方式中，折叠组件还包括第一连接臂、第一传动臂以及第一联动臂，第一连接臂转动连接第一连接架、滑动连接中轴，第一联动臂转动连接中轴、滑动连接第二连接架，第一传动臂安装于中轴且连接第一连接臂与第一联动臂。
折叠组件还包括第二连接臂、第二传动臂以及第二联动臂，第二连接臂转动连接第二连接架、滑动连接中轴，第二联动臂转动连接中轴、滑动连接第一连接架，第二传动臂安装于中轴且连接第二连接臂与第二联动臂。
在本实现方式中，第一连接臂、第一传动臂以及第一联动臂与第二连接臂、第二传动臂以及第二联动臂形成互锁结构，使得第一连接架和第二连接架能够相对中轴转动，以相对展开至打开状态或者相对折叠至闭合状态，同时折叠组件具有较佳的机构抗拉能力和机构抗挤压能力。
一些可能的实现方式中，中轴与第一联动臂之间通过虚拟轴结构转动连接，第一传动臂与第一连接臂及第一联动臂之间通过实体轴结构转动连接。
在本实现方式中，通过巧妙设置不同部件之间的转动结构，使得第一连接链条和中轴的占用空间较小、厚度较小，有利于减小折叠组件的厚度，使得折叠装置及电子设备更易实现轻薄化。
一些可能的实现方式中，折叠装置还包括第一阻尼件，第一阻尼件安装于第一联动臂或第二连接架，用于在第一联动臂与第二连接架相对滑动的过程中提供阻尼力。其中，折叠装置还包括第二阻尼件，第二阻尼件安装于第二联动臂或第一连接架，用于在第二联动臂与第一连接架相对滑动的过程中提供阻尼力。
在本实现方式中，由于折叠装置设有第一阻尼件和第二阻尼件，第一阻尼件用于在第一联动臂与第二连接架相对滑动的过程中提供阻尼力，第二阻尼件用于在第二联动臂与第一连接架相对滑动的过程中提供阻尼力，也即在第一连接架带动第一壳体相对中轴转动、第二连接架带动第二壳体相对中轴转动的过程中，第一阻尼件和第二阻尼件提供一定的阻尼力，使得用户能够体验到较佳的机构操作感。
一些可能的实现方式中，折叠装置还包括同步组件，同步组件安装于中轴，且两端分别连接第一连接架和第二连接架，同步组件用于在折叠装置的运动过程中，使第一连接架和第二连接架的转动角度保持同步。
在本实现方式中，由于折叠装置设置有同步组件，同步组件用于在折叠装置的运动过程中，使第一连接架和第二连接架的转动角度保持同步，第一连接架带动第一壳体转动，第二连接架带动第二壳体，因此同步组件能够使第一壳体和第二壳体在折叠装置的运动过程中保持同步，以提高用户的使用体验。
一些可能的实现方式中，折叠装置还包括第一支撑板和第二支撑板，第一支撑板固定连接第二联动臂，第二支撑板固定连接第一联动臂。在折叠装置的运动过程中，第一支撑板随第一联动臂运动，第二支撑板随第二联动臂运动，因此第一联动臂能够直接控制第二支撑板的运动轨迹，第二联动臂能够直接控制第一支撑板的运动轨迹，使得第一支撑板和第二支撑板在折叠装置的运动过程中的控制精度高、回差小，从而准确地在折叠装置的转动过程中实现伸缩，以满足柔性显示屏的支撑需求。
其中，折叠装置处于打开状态时，部分中轴经第一支撑板与第二支撑板之间的间隙 露出。第一支撑板、中轴及第二支撑板用于共同支撑柔性显示屏的折弯部，以提高柔性显示屏的折弯部的平整度和可靠性。第一支撑板的支撑面可以与第二支撑板的支撑面齐平。
其中，折叠装置处于闭合状态时，中轴露出于第一支撑板与第二支撑板之间。第一支撑板的支撑面与第二支撑板的支撑面相背设置，两者可以相互平行。第一支撑板、中轴及第二支撑板共同支撑柔性显示屏的折弯部，使得柔性显示屏不易在用户的握持或按压动作中下凹，以提高柔性显示屏的可靠性。
第二方面，本申请还提供一种电子设备，包括柔性显示屏和上述任一项的折叠装置，柔性显示屏包括依次排列的第一非折弯部、折弯部以及第二非折弯部，第一非折弯部固定于第一壳体，第二非折弯部固定于第二壳体，在第一壳体与第二壳体相对展开或相对折叠的过程中，折弯部发生形变。
在本申请中，柔性显示屏能够随折叠装置展开或折叠。当电子设备处于打开状态时，柔性显示屏处于展平形态，能够全屏进行显示，使得电子设备具有较大的显示面积，以提高用户的观看体验。当电子设备处于闭合状态时，电子设备的平面尺寸较小，便于用户携带和收纳。
附图说明
图1是本申请实施例提供的一种电子设备处于打开状态时的结构示意图；
图2是图1所示电子设备处于中间状态时的结构示意图；
图3是图1所示电子设备处于闭合状态时的结构示意图；
图4是图1所示折叠装置的结构示意图；
图5是图4所示折叠组件的部分分解结构示意图；
图6是图5所示折叠组件的部分分解结构示意图；
图7是图6所示折叠组件在另一角度的结构示意图；
图8是图6所示第一连接组件的结构示意图；
图9是图8所示第一连接组件的分解结构示意图；
图10是图8所示第一连接组件在另一角度的结构示意图；
图11是图10所示第一连接组件的分解结构示意图；
图12是图5所示折叠组件的结构示意图；
图13是图12所示折叠组件的部分示意图；
图14是图12所示折叠组件在另一角度的结构示意图；
图15是图14所示折叠组件的部分结构示意图；
图16是图12所示折叠组件沿A-A处剖开的截面结构示意图；
图17是图16所示结构处于闭合状态的结构示意图；
图18是图12所示折叠组件沿B-B处剖开的截面结构示意图；
图19是图18所示结构处于闭合状态的结构示意图；
图20是图5所示折叠组件处于闭合状态时的结构示意图；
图21是图4所示折叠装置在另一角度的结构示意图；
图22是图21所示折叠装置的部分分解结构示意图；
图23是图4所示折叠装置的部分结构沿C-C处剖开的截面结构示意图；
图24是图4所示折叠装置的部分结构沿D-D处剖开的截面结构示意图；
图25是图4所示折叠装置的部分结构沿E-E处剖开的截面结构示意图；
图26是图4所示折叠装置的部分结构沿F-F处剖开的截面结构示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请以下各个实施例进行描述。
本申请实施例提供一种折叠装置及电子设备，电子设备包括折叠装置及固定于折叠装置的柔性显示屏。折叠装置可以展开至打开状态，也可以折叠至闭合状态，也可以处于打开状态与闭合状态之间的中间状态。柔性显示屏随折叠装置展开或折叠。电子设备通过优化折叠装置，使得柔性显示屏的折弯部在打开状态中能够保持较佳的平整度，避免发生拱起等问题，以提高提高柔性显示屏的可靠性，使得柔性显示屏和电子设备具有较长的使用寿命。
请结合参阅图1至图3，图1是本申请实施例提供的一种电子设备100处于打开状态时的结构示意图，图2是图1所示电子设备100处于中间状态时的结构示意图，图3是图1所示电子设备100处于闭合状态时的结构示意图。电子设备100可以是手机、平板电脑、笔记本电脑、可穿戴设备等电子产品。本实施例以电子设备100是手机为例进行说明。
电子设备100包括折叠装置10和柔性显示屏20。折叠装置10包括第一壳体1、第二壳体2及折叠组件3，折叠组件3连接第一壳体1与第二壳体2，且能够使第一壳体1与第二壳体2相对展开至打开状态或相对折叠至闭合状态。也即，第一壳体1、折叠组件3及第二壳体2依次连接，通过折叠组件3的运动，第一壳体1与第二壳体2能够相对转动以展开或折叠。
如图1所示，第一壳体1与第二壳体2能够相对展开至打开状态，以使电子设备100处于打开状态。示例性的，第一壳体1与第二壳体2处于打开状态时，两者可以大致呈180°(也允许存在少许偏差，例如165°、177°或者185°)。如图2所示，第一壳体1与第二壳体2能够相对转动(展开或折叠)至中间状态，以使电子设备100处于中间状态。如图3所示，第一壳体1与第二壳体2能够相对折叠至闭合状态，以使电子设备100处于闭合状态。示例性的，第一壳体1与第二壳体2处于闭合状态时，两者能够完全合拢至相互平行(也允许存在少许偏差)。其中，图2所示中间状态，可以为打开状态与闭合状态之间的任意状态。故而，电子设备100可以通过折叠组件3的运动，在打开状态与闭合状态之间相互切换。
一些实施例中，柔性显示屏20用于显示图像。示例性的，柔性显示屏20可以为有机发光二极管(organic light-emitting diode，OLED)显示屏，有源矩阵有机发光二极体或主动矩阵有机发光二极体(active-matrix organic light-emitting diode，AMOLED)显示屏，迷你发光二极管(mini organic light-emitting diode)显示屏，微型发光二极管(micro organic light-emitting diode)显示屏，微型有机发光二极管(micro organic light-emitting diode)显示屏，量子点发光二极管(quantum dot light emitting diodes，QLED)显示屏等。
柔性显示屏20包括依次排列的第一非折弯部201、折弯部202以及第二非折弯部203。柔性显示屏20固定于折叠装置10。例如，柔性显示屏20可以通过胶层粘接于折叠装置10。柔性显示屏20的第一非折弯部201固定于第一壳体1，第二非折弯部203固定于第二壳体2，在第一壳体1与第二壳体2相对展开或相对折叠的过程中，折弯部202发生形变。如图1所示，第一壳体1与第二壳体2处于打开状态时，柔性显示屏20处于展平形态；如图2所示，第一壳体1与第二壳体2处于中间状态时，柔性显示屏20处于展平形态与闭合形态之间的中间形态；如图3所示，第一壳体1与第二壳体2处于闭合状态时，柔性显示屏20处于闭合形态。其中，电子设备100处于闭合状态时，柔性显示屏20可以位于折叠装置10的外侧，柔 性显示屏20可以大致呈U型。
在本实施例中，柔性显示屏20能够随折叠装置10展开或折叠。当电子设备100处于打开状态时，柔性显示屏20处于展平形态，能够全屏进行显示，使得电子设备100具有较大的显示面积，以提高用户的观看体验。当电子设备100处于闭合状态时，电子设备100的平面尺寸较小(具有较小的宽度尺寸)，便于用户携带和收纳。
可以理解的是，本实施例是以“电子设备100的转动中心平行于电子设备100的宽度方向”为例进行说明的，此时，电子设备100能够实现左右转动，电子设备100的展开或折叠影响到电子设备100的宽度尺寸。在其他一些实施例中，电子设备100的转动中心也可以平行于电子设备100的长度方向，此时，电子设备100能够实现上下转动，电子设备100的展开或折叠影响到电子设备100的长度尺寸。
请结合参阅图4至图7，图4是图1所示折叠装置10的结构示意图，图5是图4所示折叠组件3的部分分解结构示意图，图6是图5所示折叠组件3的部分分解结构示意图，图7是图6所示折叠组件3在另一角度的结构示意图。其中，本申请附图均未示意出第一壳体1和第二壳体2的部分结构，以简化图档，更清楚地示意出折叠装置10的主要结构。
一些实施例中，折叠组件3包括中轴31、第一连接组件32、第二连接组件33、第一支撑板34及第二支撑板35。
示例性的，中轴31位于第一壳体1与第二壳体2之间。第一连接组件32和第二连接组件33均连接第一壳体1、中轴31及第二壳体2，通过第一连接组件32和第二连接组件33的运动，第一壳体1和第二壳体2能够相对中轴31转动。其中，第一连接组件32和第二连接组件33在中轴31的轴向方向上间隔排列，可以作为端部连接组件，例如可以分别连接于中轴31的顶部和底部。在本实施例中，通过第一连接组件32和第二连接组件33的协同运动，使得第一壳体1和第二壳体2相对中轴31转动时的运动更为平稳、可靠。
其中，第一连接组件32与第二连接组件33可以为相同结构、镜面对称结构、中心对称结构或其他不同结构，本申请实施例以第一连接组件32和第二连接组件33为例进行说明，后文主要对第一连接组件32进行描述。在其他一些实施例中，折叠组件3还可以包括中部连接组件，中部连接组件可以连接于中轴31的中部、并连接第一壳体1和第二壳体2，以增加折叠装置10的可靠性。中部连接组件的结构可以与第一连接组件32的结构相同、部分相同或完全不同，本申请实施例对此不作严格限定。
示例性的，第一支撑板34位于中轴31朝向第一壳体1的一侧，第二支撑板35位于中轴31朝向第二壳体2的一侧。第一支撑板34和第二支撑板35连接第一连接组件32和第二连接组件33，以在折叠装置10的运动过程中随第一连接组件32和第二连接组件33运动。第一支撑板34、中轴31及第二支撑板35能够共同支撑柔性显示屏20的折弯部202，以提高柔性显示屏20的折弯部202的可靠性。
示例性的，第一壳体1具有第一支撑面11，第一支撑面11用于支撑柔性显示屏20。第二壳体2具有第二支撑面21，第二支撑面21用于支撑柔性显示屏20。第一壳体1与第二壳体2相对展开至打开状态时，第一支撑面11可以与第二支撑面21齐平，以更好地支撑柔性显示屏20，使得柔性显示屏20更为平整，有利于提高用户的使用体验。其中，第一壳体1及第二壳体2可以为一体成型结构件，也可以为多个结构件组装而成的复合结构件。第一支撑面11及第二支撑面21可以为较为完整、连续的平面，也可以具有缺口、通孔等结构。
请结合参阅图8至图11，图8是图6所示第一连接组件32的结构示意图，图9是图8所示第一连接组件32的分解结构示意图，图10是图8所示第一连接组件32在另一角度的结 构示意图，图11是图10所示第一连接组件32的分解结构示意图。
一些实施例中，第一连接组件32包括第一连接架321、第二连接架322、第一连接臂323、第一传动臂324、第一联动臂325、第二连接臂326、第二传动臂327、第二联动臂328、第一阻尼件329、第二阻尼件3210、同步组件3220、第一弹性件3230、第二弹性件3240、第一限位块3250及第二限位块3260。
示例性的，第一连接臂323包括第一端323a和第二端323b，第一连接臂323的第一端323a转动连接第一连接架321，两者之间可以通过实体轴结构转动连接。其中，两个部件通过实体轴结构转动连接，是指两个部件通过实体的转轴实现相互转动，转轴具有转动中心，两个部件绕该转动中心相对转动，该转轴可以是独立于两个部件之外的结构件，也可以固定连接其中一个结构件。其中，本申请附图中省略了部分转轴。第一联动臂325包括第一端325a和第二端325b，第一联动臂325的第一端325a滑动连接第二连接架322。第一传动臂324包括第一端324a和第二端324b，第一传动臂324的第一端324a连接第一连接臂323的第二端323b，第一传动臂324的第二端324b连接第一联动臂325的第二端325b，也即第一传动臂324连接第一连接臂323与第一联动臂325。其中，第一传动臂324可以为连杆结构，第一传动臂324的第一端324a转动连接第一连接臂323的第二端323b，第一传动臂324的第二端324b转动连接第一联动臂325的第二端325b。其中，第一传动臂324与第一连接臂323及第一联动臂325之间可以通过实体轴结构转动连接。在其他一些实施例中，第一传动臂324也可以为链条、连接带等结构。
第二连接臂326包括第一端326a和第二端326b，第二连接臂326的第一端326a转动连接第二连接架322，两者之间可以通过实体轴结构转动连接。第二联动臂328包括第一端328a和第二端328b，第二联动臂328的第一端328a滑动连接第一连接架321。第二传动臂327包括第一端327a和第二端327b，第二传动臂327的第一端327a连接第二连接臂326的第二端326b，第二传动臂327的第二端327b连接第二联动臂328的第二端328b，也即第二传动臂327连接第二连接臂326与第二联动臂328。其中，第二传动臂327可以为连杆结构，第二传动臂327的第一端327a转动连接第二连接臂326的第二端326b，第二传动臂327的第二端327b转动连接第二联动臂328的第二端328b。其中，第二传动臂327与第二连接臂326及第二联动臂328之间可以通过实体轴结构转动连接。在其他一些实施例中，第一传动臂324也可以为链条、连接带等结构。
在本实施例中，第一连接臂323、第一传动臂324及第一联动臂325形成第一连接链条，第二传动臂327、第二连接臂326及第二联动臂328形成第二连接链条，第一连接架321与第二连接架322之间通过第一连接链条和第二连接链条形成互锁结构，在折叠组件3的运动过程中，第一连接架321与第二连接架322联动。其中，第一连接链条与第二连接链条可以为中心对称结构。
示例性的，如图8和图9所示，第一阻尼件329安装于第一联动臂325，用于在第一联动臂325与第二连接架322相对滑动的过程中提供阻尼力。例如，第二连接架322设有第一滑槽322a、第一卡口322b和第二卡口322c，第一卡口322b和第二卡口322c彼此间隔设置且连通第一滑槽322a。第二连接架322包括分隔第一卡口322b与第二卡口322c的第一凸块322d。第一联动臂325的第一端325a设有第一安装槽325c，第一阻尼件329安装于第一安装槽325c。第一联动臂325的第一端325a安装于第一滑槽322a，以滑动连接第二连接架322，第一阻尼件329部分卡入第一卡口322b或第二卡口322c。
在本实施例中，在折叠装置10的运动过程中，第一联动臂325与第二连接架322相对滑 动，第一阻尼件329抵持第一凸块322d，产生阻尼力。在其他一些实施例中，第一阻尼件329也可以安装于第二连接架322，用于在第一联动臂325与第二连接架322相对滑动的过程中提供阻尼力。此时，第一联动臂325可以形成凸块，在第一联动臂325与第二连接架322相对滑动的过程中，第一阻尼件329抵持凸块，产生阻尼力。
示例性的，如图8和图9所示，第二阻尼件3210安装于第二联动臂328，用于在第二联动臂328与第一连接架321相对滑动的过程中提供阻尼力。例如，第一连接架321设有第二滑槽321a、第三卡口321b和第四卡口321c，第三卡口321b和第四卡口321c彼此间隔设置且连通第二滑槽321a。第一连接架321包括分隔第三卡口321b与第四卡口321c的第二凸块321d。第二联动臂328的第一端328a设有第二安装槽328c，第二阻尼件3210安装于第二安装槽328c。第二联动臂328的第一端328a安装于第二滑槽321a，以滑动连接第一连接架321，第二阻尼件3210部分卡入第三卡口321b或第四卡口321c。
在本实施例中，在折叠装置10的运动过程中，第二联动臂328与第一连接架321相对滑动，第二阻尼件3210抵持第二凸块321d，产生阻尼力。在其他一些实施例中，第二阻尼件3210也可以安装于第一连接架321，用于在第二联动臂328与第一连接架321相对滑动的过程中提供阻尼力。此时，第二联动臂328可以形成凸块，在第二联动臂328与第一连接架321相对滑动的过程中，第二阻尼件3210抵持凸块，产生阻尼力。
示例性的，如图8和图9所示，同步组件3220包括第一摆臂3220a、第二摆臂3220b、多个同步齿轮3220c及阻尼部件3220d。第一摆臂3220a包括第一端和第二端，第一摆臂3220a的第一端滑动连接第一连接架321。第二摆臂3220b包括第一端和第二端，第二摆臂3220b的第二端滑动连接第二连接架322。同步齿轮3220c的数量可以为两个、四个等。多个同步齿轮3220c彼此啮合，多个同步齿轮3220c啮合第一摆臂3220a的第二端和第二摆臂3220b的第二端。阻尼部件3220d连接第一摆臂3220a的第二端、多个同步齿轮3220c及第二摆臂3220b的第二端，用于在第一摆臂3220a、同步齿轮3220c及第二摆臂3220b的相对运动过程中提供阻尼力。
其中，阻尼部件3220d可以包括多个转轴3220e，第一摆臂3220a的第二端安装于其中一个转轴3220e，第二摆臂3220b的第二端安装于另一个转轴3220e，多个同步齿轮3220c分别安装于其他的不同转轴3220e，第一摆臂3220a、第二摆臂3220b及多个同步齿轮3220c均转动连接阻尼部件3220d。
示例性的，如图10和图11所示，第一连接架321可以包括第一导向柱321e，第一弹性件3230套设于第一导向柱321e，以沿第一导向柱321e的延伸方向产生形变。也即，第一导向柱321e可以在第一弹性件3230受力发生形变时，引导第一弹性件3230的形变方向，以降低第一弹性件3230发生损坏或失效的风险，提高可靠性。其中，第一导向柱321e的数量为多个，多个第一导向柱321e彼此间隔排布。第一弹性件3230的数量可以为多个，多个第一弹性件3230分别套设于不同的第一导向柱321e且彼此间隔设置。
其中，第一限位块3250固定连接第一连接架321。例如，第一限位块3250可以通过紧固件(图中未示出)固定于第一连接架321，紧固件可以是但不限于是螺钉、铆钉等。其中，第一限位块3250可以靠近第一弹性件3230排布。第一限位块3250的数量可以为一个或多个。
示例性的，第二连接架322可以包括第二导向柱322e，第二弹性件3240套设于第二导向柱322e，以沿第二导向柱322e的延伸方向产生形变。也即，第二导向柱322e可以在第二弹性件3240受力发生形变时，引导第二弹性件3240的形变方向，以降低第二弹性件3240发生损坏或失效的风险，提高可靠性。其中，第二导向柱322e的数量为多个，多个第二导向柱 322e彼此间隔排布。第二弹性件3240的数量可以为多个，多个第二弹性件3240分别套设于不同的第二导向柱322e且彼此间隔设置。
其中，第二限位块3260固定连接第二连接架322。例如，第二限位块3260可以通过紧固件(图中未示出)固定于第二连接架322，紧固件可以是但不限于是螺钉、铆钉等。其中，第二限位块3260可以靠近第二弹性件3240排布。其中，第二限位块3260可以靠近第二弹性件3240排布。第二限位块3260的数量可以为一个或多个。
请结合参阅图12至图15，图12是图5所示折叠组件3的结构示意图，图13是图12所示折叠组件3的部分示意图，图14是图12所示折叠组件3在另一角度的结构示意图，图15是图14所示折叠组件3的部分结构示意图。
一些实施例中，第一连接组件32连接中轴31。中轴31包括外壳311和内壳312，外壳311与内壳312配合形成多个安装空间，第一连接链条、第二连接链条及同步组件3220可以安装于不同的安装空间，以连接中轴31。外壳311与内壳312可以通过紧固件等固定连接，两者配合以避免第一连接组件32脱落。
其中，第一连接臂323的第二端323b、第一传动臂324及第一联动臂325的第二端325b安装于中轴31，第二连接臂326的第二端326b、第二传动臂327及第二联动臂328的第二端328b安装于中轴31。同步组件3220的阻尼部件3220d、第一摆臂3220a的第二端及第二摆臂3220b的第二端安装于中轴31，第一摆臂3220a和第二摆臂3220b均转动连接中轴31。在本实施例中，同步组件3220安装于中轴31，同步组件3220的两端分别连接第一连接架321和第二连接架322。
请结合参阅图16和图17，图16是图12所示折叠组件3沿A-A处剖开的截面结构示意图，图17是图16所示结构处于闭合状态的结构示意图。
一些实施例中，第一连接臂323的第二端323b滑动连接中轴31，第一联动臂325的第二端325b转动连接中轴31。在本实施例中，第一连接臂323转动连接第一连接架321、滑动连接中轴31，第一联动臂325转动连接中轴31、滑动连接第二连接架322，第一传动臂324安装于中轴31且连接第一连接臂323与第一联动臂325。在折叠装置10的运动过程中，第一连接架321和第二连接架322相对中轴31转动，两者可以相对展开至打开状态或者相对折叠至闭合状态。
示例性的，中轴31与第一联动臂325之间可以通过虚拟轴结构转动连接。其中，两个部件通过虚拟轴结构转动连接，是指两个部件不通过实体的转轴实现相互转动，而是通过弧形臂与弧形槽的结构实现绕转动中心的相对转动动作。
示例性的，第一连接臂323的第二端323b在中轴31中的滑动轨迹为弧形。例如，中轴31可以通过其外壳311的弧形面与内壳312的弧形面配合形成弧形槽，连接于第一连接臂323的第二端323b的转轴(图中未示出)在该弧形槽中滑动，以限定第一连接臂323的第二端323b的滑动轨迹为弧形。在其他一些实施例中，第一连接臂323的第二端323b在中轴31中的滑动轨迹也可以为直线形或样条曲线形，本实施例对此不作严格限定。
其中，第一连接臂323的第二端323b相对中轴31转动时的转动中心，与相对第一传动臂324转动时的转动中心位置不同。其中，第一连接臂323的第二端323b相对第一传动臂324转动时的转动中心可以位于或者靠近第一连接臂323的第二端323b的端部。
请结合参阅图18和图19，图18是图12所示折叠组件3沿B-B处剖开的截面结构示意图，图19是图18所示结构处于闭合状态的结构示意图。
一些实施例中，第二连接臂326的第二端326b滑动连接中轴31，第二联动臂328的第 二端328b转动连接中轴31。在本实施例中，第二连接臂326转动连接第二连接架322、滑动连接中轴31，第二联动臂328转动连接中轴31、滑动连接第一连接架321，第二传动臂327安装于中轴31且连接第二连接臂326与第二联动臂328。在折叠装置10的运动过程中，第一连接架321和第二连接架322相对中轴31转动，两者可以相对展开至打开状态或者相对折叠至闭合状态。
示例性的，中轴31与第二联动臂328之间可以通过虚拟轴结构转动连接。示例性的，第二连接臂326的第二端326b在中轴31中的滑动轨迹为弧形。例如，中轴31可以通过其外壳311的弧形面与内壳312的弧形面配合形成弧形槽，连接于第二连接臂326的第二端326b的转轴(图中未示出)在该弧形槽中滑动，以限定第二连接臂326的第二端326b的滑动轨迹为弧形。在其他一些实施例中，第二连接臂326的第二端326b在中轴31中的滑动轨迹也可以为直线形或样条曲线形，本实施例对此不作严格限定。
其中，第二连接臂326的第二端326b相对中轴31转动时的转动中心，与相对第二传动臂327转动时的转动中心位置不同。其中，第二连接臂326的第二端326b相对第二传动臂327转动时的转动中心可以位于或者靠近第二连接臂326的第二端326b的端部。
在本申请实施例中，如图16至图19所示，第一连接臂323、第一传动臂324以及第一联动臂325与第二连接臂326、第二传动臂327以及第二联动臂328形成互锁结构，使得第一连接架321和第二连接架322能够相对中轴31转动，以相对展开至打开状态或者相对折叠至闭合状态，同时折叠组件3具有较佳的机构抗拉能力和机构抗挤压能力。
此外，在第一连接架321与第二连接架322相对折叠的过程中，第一连接架321和第二连接架322向靠近中轴31的方向移动；在第一连接架321与第二连接架322的相对展开的过程中，在第一连接架321与第二连接架322向远离中轴31的方向移动。此时，折叠组件3的长度尺寸在运动过程中能够保持一致或较为接近，从而能够更好地支撑柔性显示屏20的折弯部202，降低拉扯或挤压柔性显示屏20的风险，提高柔性显示屏20和电子设备100的可靠性和使用寿命。其中，折叠组件3的长度尺寸是指自第一连接架321的背向中轴31的端部、经中轴31、延伸至第二连接架322的背向中轴31的端部的尺寸，该尺寸为动态尺寸，随折叠组件3的运动发生变化。
此外，第一联动臂325与中轴31之间通过虚拟轴结构转动连接，且第一连接臂323与第一传动臂324之间、第一传动臂324与第一联动臂325之间通过实体轴结构转动连接，通过巧妙设置不同部件之间的转动结构，使得第一连接链条和中轴31的占用空间较小、厚度较小，有利于减小折叠组件3的厚度，使得折叠装置10及电子设备100更易实现轻薄化。
其中，如图12至图15所示，同步组件3220安装于中轴31，且两端分别连接第一连接架321和第二连接架322，同步组件3220用于在折叠装置10的运动过程中，使第一连接架321和第二连接架322的转动角度保持同步。由于第一摆臂3220a的第二端与第二摆臂3220b的第二端通过多个同步齿轮3220c啮合，第一摆臂3220a的第二端与第二摆臂3220b的第二端均转动连接中轴31，第一摆臂3220a的第一端滑动连接第一连接架321，第二摆臂3220b的第一端滑动连接第二连接架322，因此在第一连接架321与第二连接架322相对展开或相对折叠的过程中，第一摆臂3220a和第二摆臂3220b能够控制第一连接架321和第二连接架322相对中轴31的转动角度一致，使得第一连接架321和第二连接架322的转动动作具有同步性和一致性，折叠组件3的折叠动作和展开动作对称性较佳，有利于提高用户的使用体验。
请结合参阅图5、图7以及图20，图20是图5所示折叠组件3处于闭合状态时的结构示意图。
一些实施例中，如图5所示，折叠装置10处于打开状态时，部分中轴31经第一支撑板34和第二支撑板35之间的间隙露出。第一支撑板34的支撑面341可以与第二支撑板35的支撑面351齐平。第一支撑板34、中轴31及第二支撑板35用于共同支撑柔性显示屏20的折弯部202，以提高柔性显示屏20的折弯部202的平整度和可靠性。
如图20所示，折叠装置10处于闭合状态时，中轴31露出于第一支撑板34与第二支撑板35之间。第一支撑板34的支撑面341与第二支撑板35的支撑面351相背设置，两者可以相互平行。第一支撑板34、中轴31及第二支撑板35共同支撑柔性显示屏20的折弯部202，使得柔性显示屏20不易在用户的握持或按压动作中下凹，以提高柔性显示屏20的可靠性。
示例性的，第一支撑板34可以固定连接第二联动臂328，第二支撑板35可以固定连接第一联动臂325。在折叠装置10的运动过程中，第一支撑板34随第一联动臂325运动，第二支撑板35随第二联动臂328运动。其中，如图7所示，第一支撑板34包括第一板体342和固定于第一板体342的第一固定块343，第一支撑板34的支撑面341形成于第一板体342背向第一固定块343的一侧。第二支撑板35包括第二板体352和固定于第二板体352的第二固定块353，第二支撑板35的支撑面351形成于第二板体352背向第二固定块353的一侧。第一连接组件32的第一联动臂325设有第一固定部325d，第二联动臂328设有第二固定部328d。第一固定块343可以通过紧固件或粘接件固定于第二固定部328d，例如，可以在第一固定块343和第二固定部328d处均开设紧固孔，通过紧固件穿过紧固孔以锁紧第一固定块343与第二固定部328d。可以在第二固定块353和第一固定部325d处均开设紧固孔，第二固定块353可以通过紧固件或粘接件固定于第一固定部325d。其中，第一支撑板34和第二支撑板35与第二连接组件33的连接方式可以参考与第一连接组件32的连接方式。
在本实施例中，第一支撑板34与第二联动臂328彼此固定，第二支撑板35与第一联动臂325彼此固定，因此第二联动臂328能够直接控制第一支撑板34的运动轨迹，第一联动臂325能够直接控制第二支撑板35的运动轨迹，使得第一支撑板34和第二支撑板35在折叠装置10的运动过程中的控制精度高、回差小，从而准确地在折叠装置10的转动过程中实现伸缩，以满足柔性显示屏20的支撑需求。
请结合参阅图4、图5、图21及图22，图21是图4所示折叠装置10在另一角度的结构示意图，图22是图21所示折叠装置10的部分分解结构示意图。
一些实施例中，第一连接架321滑动连接第一壳体1且不脱离第一壳体1，第二连接架322滑动连接第二壳体2且不脱离第二壳体2。其中，第一连接架321与第一壳体1之间以及第二连接架322与第二壳体2之间可以通过滑轨结构实现滑动连接，例如滑块与滑槽的配合结构。例如，第一连接架321上可以设置滑块和/或滑槽，第一壳体1可以设置滑槽和/或滑块，滑块与滑槽之间的配合实现第一连接架321与第一壳体1之间的滑动连接。第二连接架322上可以设置滑块和/或滑槽，第二壳体2可以设置滑槽和/或滑块，滑块与滑槽之间的配合实现第二连接架322与第二壳体2之间的滑动连接。在其他一些实施例中，第一连接架321与第一壳体1之间以及第二连接架322与第二壳体2之间也可以通过其他结构实现滑动连接，本申请对此不作严格限定。其中，上述滑块与滑槽的配合结构可以由多种实现结构和位置关系，本申请实施例对此不作严格限定。
其中，可以通过限位结构实现第一连接架321不脱离第一壳体1，例如通过限位槽与限位块的配合结构，或者，两个可以相互活动但不脱离的扣合件结构；也可以通过连接件实现第一连接架321不脱离第一壳体1，例如可发生形变的弹性连接件(例如弹簧等)，或者可弯曲、不可延伸的连接件(例如绳子、链条等)等。本申请不对第一连接架321不脱离第一壳 体1的具体实现结构作严格限定。同样的，也可以通过限位结构或连接件实现第二连接架322不脱离第二壳体2，本申请对此不作严格限定。
在本实施例中，通过第一连接链条与第二连接链条，第一连接架321转动连接中轴31，第二连接架322转动连接中轴31，第一连接架321和第二连接架322能够相对展开或相对折叠。由于第一连接架321连接第一壳体1且不脱离第一壳体1，第二连接架322连接第二壳体2且不脱离第二壳体2，因此第一连接架321能够带动第一壳体1运动，第二连接架322能够带动第二壳体2运动，使得第一壳体1和第二壳体2通过折叠组件3相对展开至打开状态或相对折叠至闭合状态。
其中，由于折叠装置10能够实现在打开状态向闭合状态变化的过程中的连接架内拉运动、和折叠装置10在闭合状态向打开状态变化的过程中的连接架外推运动，因此折叠装置10能够实现在打开状态向闭合状态变化的过程中的壳体内拉运动、和折叠装置10在闭合状态向打开状态变化的过程中的壳体外推运动，使得折叠装置10在展开或折叠的过程中，能够实现以柔性显示屏20为中性面或靠近柔性显示屏20的位置为中性面的变形运动，从而降低拉扯或挤压柔性显示屏20的风险，以保护柔性显示屏20，提高柔性显示屏20的可靠性，使得柔性显示屏20和电子设备100具有较长的使用寿命。
此外，由于第一连接架321滑动连接第一壳体1，两者之间存在滑动间隙，第二连接架322滑动连接第二壳体2，两者之间亦存在滑动间隙，上述滑动间隙可以在电子设备100的运动过程中，使得折叠装置10的长度与柔性显示屏20的长度更易适配，从而提高折叠装置10运动的顺畅度，且降低拉扯或挤压柔性显示屏20的风险，提高折叠装置10和柔性显示屏20的可靠性，使得电子设备100具有较长的使用寿命。
可以理解的是，在本申请中，第一连接架321不脱离第一壳体1、第二连接架322不脱离第二壳体2，是指在电子设备100的正常使用过程中，保持两者不脱离的连接关系，在其他一些使用场景中，例如维修、拆装等过程中，允许第一连接架321脱离第一壳体1、第二连接架322脱离第二壳体2。
在本申请实施例中，由于折叠装置10设有第一阻尼件329和第二阻尼件3210，第一阻尼件329用于在第一联动臂325与第二连接架322相对滑动的过程中提供阻尼力，第二阻尼件3210用于在第二联动臂328与第一连接架321相对滑动的过程中提供阻尼力，也即在第一连接架321带动第一壳体1相对中轴31转动、第二连接架322带动第二壳体2相对中轴31转动的过程中，第一阻尼件329和第二阻尼件3210提供一定的阻尼力，使得用户能够体验到较佳的机构操作感。
此外，由于折叠装置10设置有同步组件3220，同步组件3220用于在折叠装置10的运动过程中，使第一连接架321和第二连接架322的转动角度保持同步，第一连接架321带动第一壳体1转动，第二连接架322带动第二壳体2，因此同步组件3220能够使第一壳体1和第二壳体2在折叠装置10的运动过程中保持同步，以提高用户的使用体验。
请结合参阅图23和图24，图23是图4所示折叠装置10的部分结构沿C-C处剖开的截面结构示意图，图24是图4所示折叠装置10的部分结构沿D-D处剖开的截面结构示意图。其中，图23和图24中未示出折叠组件3的第一支撑板34和第二支撑板35。
一些实施例中，折叠组件3的第一弹性件3230的两端分别接触第一连接架321和第一壳体1，第二弹性件3240的两端分别接触第二连接架322和第二壳体2。折叠装置10处于打开状态时，第一连接架321和第二连接架322位于中轴31的两侧，第一弹性件3230和第二弹性件3240处于压缩状态。
在本实施例中，折叠装置10处于打开状态时，第一弹性件3230产生的弹性力将第一壳体1推离第一连接架321，吸收了第一壳体1与第一连接架321之间的滑动间隙，第二弹性件3240产生的弹性力将第二壳体2推离第二连接架322，吸收了第二壳体2与第二连接架322之间的滑动间隙，因此折叠组件3能够实现第一壳体1和第二壳体2的外推动作，折叠装置10能够撑平柔性显示屏20(参阅图1)，避免柔性显示屏20由于长期的弯折而导致中间拱起的问题，以提高柔性显示屏20的平整度和可靠性。
一些实施例中，折叠装置10处于闭合状态时，第一弹性件3230和第二弹性件3240也可以处于压缩状态。此时，第一弹性件3230和第二弹性件3240产生的弹性力同样可以实现吸收滑动间隙的目的，使得柔性显示屏20被折叠装置10撑开，不易产生褶皱或拱起，以具有较高的可靠性。
可以理解的是，在折叠装置10的运动过程中，第一弹性件3230和第二弹性件3240的状态可以发生变化，例如在压缩状态与自然状态之间变化，或者压缩程度变化，本申请实施例对此不作严格限定。第一弹性件3230和第二弹性件3240在打开状态和闭合状态中的压缩程度可以相同，也可以不同，本申请实施例对此不作严格限定。
请结合参阅图25和图26，图25是图4所示折叠装置10的部分结构沿E-E处剖开的截面结构示意图，图26是图4所示折叠装置10的部分结构沿F-F处剖开的截面结构示意图。其中，图23和图24中未示出折叠组件3的第一支撑板34和第二支撑板35。
一些实施例中，第一壳体1具有第一限位槽12，第一限位槽12包括相对设置的第一侧壁121和第二侧壁122，第一侧壁121位于第二侧壁122与中轴31之间。第二壳体2具有第二限位槽22，第二限位槽22包括相对设置的第三侧壁221和第四侧壁222，第三侧壁221位于第四侧壁222与中轴31之间。
折叠组件3还包括第一限位块3250和第二限位块3260。第一限位块3250固定连接第一连接架321且位于第一限位槽12，在第一弹性件3230的弹性力下，第一限位块3250抵持第一侧壁121且与第二侧壁122之间形成间隙。第二限位块3260固定连接第二连接架322且位于第二限位槽22，在第二弹性件3240的弹性力下，第二限位块3260抵持第三侧壁221且与第四侧壁222之间形成间隙。
在本实施例中，通过第一限位块3250于第一壳体1的第一限位槽12中滑动，且被限位在第一侧壁121与第二侧壁122之间，第一限位块3250固定连接第一连接架321，使得第一连接架321不脱离第一壳体1；通过第二限位块3260于第二壳体2的第二限位槽22中滑动，且被限位在第三侧壁221与第四侧壁222之间，第二限位块3260固定连接第二连接架322，使得第二连接架322不脱离第二壳体2。本实施例中，第一连接架321与第一壳体1的连接结构及第二连接架322与第二壳体2的连接结构简单、易实现，有利于降低折叠装置10的制备难度和成本。
可以理解的是，在本申请实施例中，当第一限位块3250抵持第一侧壁121，两者之间无间隙时，即认为第一连接架321与第一壳体1之间的间隙被吸收；当第二限位块3260抵持第三侧壁221，两者之间无间隙时，即认为第二连接架322与第二壳体2之间的间隙被吸收。
一些实施例中，如图25所示，第一连接架321具有第一紧固孔321f，第一限位块3250具有第二紧固孔3250a，第二紧固孔3250a正对第一紧固孔321f。第一壳体1还包括第一通孔13，第一通孔13连通第一限位槽12，且覆盖第二紧固孔3250a。折叠组件3还包括第一紧固件36，第一紧固件36能够经第一通孔13伸入第二紧固孔3250a和第一紧固孔321f，以锁紧第一限位块3250与第一连接架321。
在本实施例中，第一限位块3250与第一连接架321采用分体设计结构，使得第一限位块3250可以先装入第一限位槽12，然后将第一连接架321滑入第一壳体1，第一紧固孔321f与第二紧固孔3250a正对，接着将第一紧固件36经第一通孔13伸入第二紧固孔3250a和第一紧固孔321f，从而锁紧第一限位块3250与第一连接架321，该组装方式简单、易实现。此时，第一限位块3250固定连接第一连接架321，且第一限位块3250被限定于第一限位槽12中，因此第一连接架321与第一壳体1不脱离。
其中，第一限位块3250位于第一连接架321与第一壳体1之间，三者的堆叠方向可以垂直于第一连接架321与第一壳体1的滑动方向，以在第一限位块3250与第一连接架321固定时，避免第一连接架321脱离第一壳体1。
一些实施例中，如图26所示，第二连接架322具有第三紧固孔322f，第二限位块3260具有第四紧固孔3260a，第三紧固孔322f正对第四紧固孔3260a。第二壳体2还包括第二通孔23，第二通孔23连通第二限位槽22，且覆盖第四紧固孔3260a。折叠组件3还包括第二紧固件37，第二紧固件37能够经第二通孔23伸入第四紧固孔3260a和第三紧固孔322f，以锁紧第二限位块3260与第二连接架322。
在本实施例中，第二限位块3260与第二连接架322采用分体设计结构，使得第二限位块3260可以先装入第二限位槽22，然后将第二连接架322滑入第二壳体2，第四紧固孔3260a与第三紧固孔322f正对，接着将第二紧固件37经第二通孔23伸入第四紧固孔3260a和第三紧固孔322f，从而锁紧第二限位块3260与第二连接架322，该组装方式简单、易实现。此时，第二限位块3260固定连接第二连接架322，且第二限位块3260被限定于第二限位槽22中，因此第二连接架322与第二壳体2不脱离。
其中，第二限位块3260位于第二连接架322与第二壳体2之间，三者的堆叠方向可以垂直于第二连接架322与第二壳体2的滑动方向，以在第二限位块3260与第二连接架322固定时，避免第二连接架322脱离第二壳体2。
可以理解的是，上述第一连接架321与第一壳体1的连接结构及第二连接架322与第二壳体2的连接结构均为示例性结构，也可以通过其他结构实现第一连接架321与第一壳体1不脱离、第二连接架322与第二壳体2不脱离，本申请实施例对此不作严格限定。
以上描述，仅为本申请的具体实施例，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，例如减少或添加结构件，改变结构件的形状等，都应涵盖在本申请的保护范围之内；在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (11)

  1. 一种折叠装置(10)，其特征在于，包括第一壳体(1)、第二壳体(2)及折叠组件(3)，所述折叠组件(3)连接所述第一壳体(1)与所述第二壳体(2)，且能够使所述第一壳体(1)与所述第二壳体(2)相对展开至打开状态或相对折叠至闭合状态；
    所述折叠组件(3)包括中轴(31)、第一连接架(321)以及第二连接架(322)，所述第一连接架(321)转动连接所述中轴(31)，所述第二连接架(322)转动连接所述中轴(31)，所述第一连接架(321)和所述第二连接架(322)能够相对展开或相对折叠；
    所述折叠组件(3)还包括第一弹性件(3230)和第二弹性件(3240)，所述第一连接架(321)滑动连接所述第一壳体(1)且不脱离所述第一壳体(1)，所述第一弹性件(3230)的两端分别接触所述第一连接架(321)和所述第一壳体(1)，所述第二连接架(322)滑动连接所述第二壳体(2)且不脱离所述第二壳体(2)，所述第二弹性件(3240)的两端分别接触所述第二连接架(322)和所述第二壳体(2)；
    所述折叠装置(10)处于打开状态时，所述第一弹性件(3230)和所述第二弹性件(3240)处于压缩状态。
  2. 根据权利要求1所述的折叠装置(10)，其特征在于，所述折叠装置(10)处于闭合状态时，所述第一弹性件(3230)和所述第二弹性件(3240)处于压缩状态。
  3. 根据权利要求1所述的折叠装置(10)，其特征在于，所述第一壳体(1)具有第一限位槽(12)，所述第一限位槽(12)包括相对设置的第一侧壁(121)和第二侧壁(122)，所述第一侧壁(121)位于所述第二侧壁(122)与所述中轴(31)之间；
    所述第二壳体(2)具有第二限位槽(22)，所述第二限位槽(22)包括相对设置的第三侧壁(221)和第四侧壁(222)，所述第三侧壁(221)位于所述第四侧壁(222)与所述中轴(31)之间；
    所述折叠组件(3)还包括第一限位块(3250)和第二限位块(3260)；
    所述第一限位块(3250)固定连接所述第一连接架(321)且位于所述第一限位槽(12)，在所述第一弹性件(3230)的弹性力下，所述第一限位块(3250)抵持所述第一侧壁(121)且与所述第二侧壁(122)之间形成间隙；
    所述第二限位块(3260)固定连接所述第二连接架(322)且位于所述第二限位槽(22)，在所述第二弹性件(3240)的弹性力下，所述第二限位块(3260)抵持所述第三侧壁(221)且与所述第四侧壁(222)之间形成间隙。
  4. 根据权利要求3所述的折叠装置(10)，其特征在于，所述第一连接架(321)具有第一紧固孔(321 f)，所述第一限位块(3250)具有第二紧固孔(3250a)，所述第二紧固孔(3250a)正对所述第一紧固孔(321 f)，所述第一壳体(1)还包括第一通孔(13)，所述第一通孔(13)连通所述第一限位槽(12)，且覆盖所述第二紧固孔(3250a)；
    所述折叠组件(3)还包括第一紧固件(36)，所述第一紧固件(36)能够经所述第一通孔(13)伸入所述第二紧固孔(3250a)和所述第一紧固孔(321 f)，以锁紧所述第一限位块(3250)与所述第一连接架(321)。
  5. 根据权利要求1至4中任一项所述的折叠装置(10)，其特征在于，所述第一连接架(321)包括第一导向柱(321e)，所述第一弹性件(3230)套设于所述第一导向柱(321e)，以沿所述第一导向柱(321e)的延伸方向产生形变。
  6. 根据权利要求1至5中任一项所述的折叠装置(10)，其特征在于，所述折叠组件(3)还包括第一连接臂(323)、第一传动臂(324)以及第一联动臂(325)，所述第一连接臂(323) 转动连接所述第一连接架(321)、滑动连接所述中轴(31)，所述第一联动臂(325)转动连接所述中轴(31)、滑动连接所述第二连接架(322)，所述第一传动臂(324)安装于所述中轴(31)且连接所述第一连接臂(323)与所述第一联动臂(325)；
    所述折叠组件(3)还包括第二连接臂(326)、第二传动臂(327)以及第二联动臂(328)，所述第二连接臂(326)转动连接所述第二连接架(322)、滑动连接所述中轴(31)，所述第二联动臂(328)转动连接所述中轴(31)、滑动连接所述第一连接架(321)，所述第二传动臂(327)安装于所述中轴(31)且连接所述第二连接臂(326)与所述第二联动臂(328)。
  7. 根据权利要求6所述的折叠装置(10)，其特征在于，所述中轴(31)与所述第一联动臂(325)之间通过虚拟轴结构转动连接，所述第一传动臂(324)与所述第一连接臂(323)及所述第一联动臂(325)之间通过实体轴结构转动连接。
  8. 根据权利要求7所述的折叠装置(10)，其特征在于，所述折叠装置(10)还包括第一阻尼件(329)，所述第一阻尼件(329)安装于所述第一联动臂(325)或所述第二连接架(322)，用于在所述第一联动臂(325)与所述第二连接架(322)相对滑动的过程中提供阻尼力。
  9. 根据权利要求1至8中任一项所述的折叠装置(10)，其特征在于，所述折叠装置(10)还包括同步组件(3220)，所述同步组件(3220)安装于所述中轴(31)，且两端分别连接所述第一连接架(321)和所述第二连接架(322)，所述同步组件(3220)用于在所述折叠装置(10)的运动过程中，使所述第一连接架(321)和所述第二连接架(322)的转动角度保持同步。
  10. 根据权利要求1至9中任一项所述的折叠装置(10)，其特征在于，所述折叠装置(10)还包括第一支撑板(34)和第二支撑板(35)，所述第一支撑板(34)固定连接所述第二联动臂(328)，所述第二支撑板(35)固定连接所述第一联动臂(325)；所述折叠装置(10)处于打开状态时，部分所述中轴(31)经所述第一支撑板(34)与所述第二支撑板(35)之间的间隙露出。
  11. 一种电子设备(100)，其特征在于，包括柔性显示屏(20)和权利要求1至10中任一项所述的折叠装置(10)，所述柔性显示屏(20)包括依次排列的第一非折弯部(201)、折弯部(202)以及第二非折弯部(203)，所述第一非折弯部(201)固定于所述第一壳体(1)，所述第二非折弯部(203)固定于所述第二壳体(2)，在所述第一壳体(1)与所述第二壳体(2)相对展开或相对折叠的过程中，所述折弯部(202)发生形变。
PCT/CN2022/098991 2021-06-17 2022-06-15 折叠装置及电子设备 WO2022262781A1 (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117145856A (zh) * 2023-01-05 2023-12-01 荣耀终端有限公司 转轴机构及可折叠电子设备
CN117167396A (zh) * 2023-11-03 2023-12-05 荣耀终端有限公司 一种转轴机构、支撑装置以及折叠屏终端
CN117685288A (zh) * 2023-10-31 2024-03-12 广东小天才科技有限公司 一种阻尼结构及扫描笔
CN117685288B (zh) * 2023-10-31 2024-05-10 广东小天才科技有限公司 一种阻尼结构及扫描笔

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116696928B (zh) * 2022-12-29 2024-04-12 荣耀终端有限公司 一种阻尼机构、折叠铰链及电子设备
CN116069130B (zh) * 2023-04-06 2023-09-08 荣耀终端有限公司 张紧结构、转轴机构及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013080191A2 (en) * 2013-02-22 2013-06-06 Wasfi Alshdaifat Foldable flexible display (tri-phone)
CN111614806A (zh) * 2020-04-15 2020-09-01 华为技术有限公司 折叠装置及电子设备
KR20200122479A (ko) * 2019-04-18 2020-10-28 박철 접을 수 있는 폴더블 스마트폰
CN112019664A (zh) * 2020-08-10 2020-12-01 Oppo广东移动通信有限公司 转轴模组、折叠组件和电子装置
CN112562504A (zh) * 2019-09-10 2021-03-26 三星显示有限公司 可折叠显示装置
CN112901643A (zh) * 2020-09-14 2021-06-04 华为技术有限公司 折叠装置及电子设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013080191A2 (en) * 2013-02-22 2013-06-06 Wasfi Alshdaifat Foldable flexible display (tri-phone)
KR20200122479A (ko) * 2019-04-18 2020-10-28 박철 접을 수 있는 폴더블 스마트폰
CN112562504A (zh) * 2019-09-10 2021-03-26 三星显示有限公司 可折叠显示装置
CN111614806A (zh) * 2020-04-15 2020-09-01 华为技术有限公司 折叠装置及电子设备
CN112019664A (zh) * 2020-08-10 2020-12-01 Oppo广东移动通信有限公司 转轴模组、折叠组件和电子装置
CN112901643A (zh) * 2020-09-14 2021-06-04 华为技术有限公司 折叠装置及电子设备

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117145856A (zh) * 2023-01-05 2023-12-01 荣耀终端有限公司 转轴机构及可折叠电子设备
CN117685288A (zh) * 2023-10-31 2024-03-12 广东小天才科技有限公司 一种阻尼结构及扫描笔
CN117685288B (zh) * 2023-10-31 2024-05-10 广东小天才科技有限公司 一种阻尼结构及扫描笔
CN117167396A (zh) * 2023-11-03 2023-12-05 荣耀终端有限公司 一种转轴机构、支撑装置以及折叠屏终端

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