WO2023066220A1 - Dispositif électronique pliable, ensemble arbre rotatif et appareil de boîtier - Google Patents

Dispositif électronique pliable, ensemble arbre rotatif et appareil de boîtier Download PDF

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Publication number
WO2023066220A1
WO2023066220A1 PCT/CN2022/125818 CN2022125818W WO2023066220A1 WO 2023066220 A1 WO2023066220 A1 WO 2023066220A1 CN 2022125818 W CN2022125818 W CN 2022125818W WO 2023066220 A1 WO2023066220 A1 WO 2023066220A1
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WO
WIPO (PCT)
Prior art keywords
arm
arc
support
swing arm
rotating
Prior art date
Application number
PCT/CN2022/125818
Other languages
English (en)
Chinese (zh)
Inventor
李云勇
姜文杰
马春军
王岗超
徐正一
杨海舰
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023066220A1 publication Critical patent/WO2023066220A1/fr

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Classifications

    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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 electronic products, in particular to a foldable electronic device, a hinge assembly and a housing device.
  • Flexible display screens are soft and easy to bend.
  • Existing foldable electronic devices provide a support environment with better flatness for the flexible display screen by setting support members to avoid bending of the flexible display screen and ensure the display effect of the flexible display screen.
  • the existing electronic equipment has low precision in controlling the movement of the support, resulting in unstable movement of the support, and when the electronic equipment is folded, it is difficult for the support to effectively avoid the bending portion of the flexible display, thus affecting the flexibility of the flexible display.
  • the bending portion causes extrusion, resulting in poor reliability of the flexible display and shortening the service life of the electronic device. Damage occurs due to excessive extrusion by the housing device, resulting in poor reliability of the flexible display and short service life of the electronic equipment.
  • the present application provides a foldable electronic device, a hinge assembly and a housing device.
  • the electronic device provided by the present application includes a first housing, a second housing and a shaft assembly connected between the first housing and the second housing, and the first housing and the second housing can be relatively expanded through the shaft assembly or relatively folded.
  • the rotating shaft assembly includes a first support piece, a first connection piece, a second support piece and a second connection piece, and the first support piece and the second support piece are used to support the screen.
  • the hinge assembly drives the first support and the second support to move through the first link and the second link, and can precisely control the movement trajectories of the first support and the second support, thereby avoiding the flexible display screen when the electronic device is folded to improve the reliability and service life of flexible displays and electronic devices.
  • the present application provides a foldable electronic device, and the electronic device has an open state and a closed state.
  • the electronic equipment includes a shell device and a screen, and the screen is installed on the shell device.
  • the housing device includes a first housing, a second housing and a shaft assembly, the shaft assembly is connected between the first housing and the second housing, and the first housing and the second housing can be relatively expanded or opposite to each other through the shaft assembly. fold.
  • the rotating shaft assembly includes a main shaft, a first fixing frame, a second fixing frame, a first connecting arm and a second connecting arm; the first fixing frame is fixedly connected to the first casing, and the second fixing frame is fixedly connected to the second casing.
  • the first connecting arm includes a first end and a second end, the first end of the first connecting arm is rotatably connected to the main shaft, and the second end of the first connecting arm is rotatably connected to the first fixed frame.
  • the second connecting arm includes a first end and a second end, the first end of the second connecting arm is rotatably connected to the main shaft, and the second end of the second connecting arm is rotatably connected to the first fixed frame.
  • the rotating shaft assembly also includes a first supporting part, a first connecting part, a second supporting part and a second connecting part.
  • the first supporting part is rotatably connected with the first fixed frame, and the two ends of the first connecting part are respectively rotatably connected with the first supporting part and the first connecting arm;
  • the second supporting part is rotatably connected with the second fixed frame, and the two ends of the second connecting part Both ends are rotatably connected with the second support member and the second connecting arm respectively.
  • the first housing, the first support, the main shaft, the second support and the second housing jointly carry the screen.
  • the first connecting piece can move to make the first supporting piece rotate relative to the first connecting arm, and the four mechanisms of the first supporting piece, the first fixing frame, the first connecting arm and the first connecting piece are respectively connected with Adjacent mechanisms are rotatably connected to form a four-bar linkage structure, so that the first fixed frame, the first connecting arm and the first connecting piece jointly limit the movement of the first support, so that the movement trajectory of the first support can be precisely controlled .
  • the second connecting part can move so that the second supporting part rotates relative to the second connecting arm, and the four mechanisms of the second supporting part, the second fixing frame, the second connecting arm and the second connecting part respectively rotate with the adjacent mechanisms
  • the connections together form a four-link structure, so that the second fixed frame, the second connecting arm and the second connecting piece jointly limit the movement of the second support, so that the movement trajectory of the second support can be precisely controlled. Therefore, the shaft assembly drives the first support and the second support to move through the first connection and the second connection, and can precisely control the movement trajectories of the first support and the second support, thereby avoiding flexibility when the electronic device is folded.
  • the bend of the display to improve the reliability and lifespan of flexible displays and electronic devices.
  • the rotating shaft assembly further includes a first swing arm and a second swing arm.
  • the first swing arm includes a rotating end and a sliding end, the rotating end of the first swinging arm is rotationally connected to the main shaft, and the sliding end of the first swinging arm is slidingly connected to the first fixed frame;
  • the second swinging arm includes a rotating end and a sliding end, The rotating end of the second swing arm is rotatably connected to the main shaft, and the sliding end of the second swing arm is slidably connected to the second fixed frame.
  • the rotating end of the first swing arm is rotatably connected to the main shaft, and the sliding end is slidably connected to the first fixed frame, forming a link slider structure;
  • the rotating end of the second oscillating arm is rotatably connected to the main shaft, and the sliding end is slidably connected to the second
  • the second fixed frame forms a connecting rod slider structure, so the rotating shaft assembly realizes the connection between the fixed frame and the second fixed frame and the main shaft through the connecting rod slider structure.
  • the number of components is small, and the matching relationship and matching position are simple.
  • the component parts are easy to manufacture and assemble, which is conducive to realizing mass production.
  • the relative rotation center of the first connecting member and the first supporting member is the first rotating center
  • the relative rotating center of the first connecting member and the first connecting arm is the second rotating center
  • the first rotating The center and the second rotation center are staggered and set.
  • the first rotation center and the second rotation center are staggered, so that the first connecting arm and the first support can rotate and move relative to each other, so that the first support, the first fixing frame,
  • the first connecting arm and the first connecting part jointly form a four-bar linkage structure, and through the cooperation of the four-bar linkage mechanism, the movement trajectory of the first supporting part is precisely controlled.
  • the first connecting arm and the first connecting piece rotate relatively around the first center of rotation
  • the first support piece and the first connecting piece rotate relatively around the second center of rotation.
  • the application can design the first center of rotation of the first connecting piece
  • the relative position of the first support member and the second rotation center is adjusted to change the shape of the screen space.
  • the first connecting arm is provided with a first arc-shaped arm
  • the first support member is provided with a second arc-shaped arm
  • the two ends of the first connecting member are respectively provided with a first arc-shaped groove and a second arc-shaped groove.
  • the center line of the first arc-shaped slot is parallel to the center line of the second arc-shaped slot and arranged at intervals
  • the first arc-shaped arm is rotationally connected with the first arc-shaped slot
  • the second arc-shaped arm is connected with the second arc-shaped slot Turn to connect.
  • the centerline of the first arc-shaped groove and the centerline of the second arc-shaped groove are parallel and spaced apart, and the centerline of the first arc-shaped groove and the centerline of the second arc-shaped groove may not be on the same straight line , so that the first rotation center and the second rotation center are staggered.
  • the first connecting member can rotate relative to the first arc arm of the first connecting arm through the first arc slot, so as to rotate relative to the first connecting arm.
  • the second connecting piece can rotate relative to the first arc arm of the second connecting arm through the first arc slot so as to rotate relative to the second connecting arm.
  • the first support member further includes a first support plate, the connecting end of the second arc-shaped arm is connected to the first support plate, and the rotating end of the second arc-shaped arm is rotatably connected to the second arc-shaped groove.
  • the rotating end of the second arc-shaped arm is suspended in the air and extends away from the main shaft, so that during the folding process of the rotating shaft assembly, the rotating end of the second arc-shaped arm extends into the second arc-shaped slot to increase Connection stability between the first connector and the first support.
  • the number of the first connecting parts is two, and the two first connecting parts are arranged opposite to each other.
  • the first connecting arm may be connected to the first supporting member through two first connecting members, so as to increase the connection strength with the first supporting member.
  • the first fixing frame is provided with a third arc-shaped slot
  • the first support member is further provided with a third arc-shaped arm
  • the third arc-shaped arm is installed in the third arc-shaped slot.
  • the third arc-shaped arm of the first support is installed in the third arc-shaped groove of the first fixed frame, so that the first support is rotatably connected to the first fixed frame through a virtual shaft connection.
  • the sliding end of the first swing arm is slidably connected to the first support member.
  • the sliding end of the first swing arm is slidably connected to the first support member, so that the first support member can slide relative to the first swing arm.
  • the first support member further includes a first guide arm
  • the first guide arm is provided with a first guide chute
  • the shaft assembly further includes a bottom shaft connected to the sliding end of the first swing arm, and Installed on the first guide chute.
  • the sliding end of the first swing arm can slide along the extension direction of the first guide chute, so that the first support can be controlled by the first guide chute when the first support slides relative to the first swing arm motion track.
  • the first support has a first end away from the main shaft and a second end close to the main shaft, and the second support has a first end far away from the main shaft and a second end close to the main shaft;
  • the first support and the second support are respectively located on both sides of the main shaft, and the first support and the second support are flush;
  • the first support member and the second support member are folded relative to the main shaft, and the distance between the first end of the first support member and the first end of the second support member is smaller than the second support member of the first support member. end and the second end of the second support.
  • the first support member, the second support member, the main shaft and other structures of the rotating shaft assembly jointly form a drop-shaped containment space.
  • the drop-shaped screen space fits the bending shape of the screen, which can prevent the screen from being damaged due to the extrusion of the hinge assembly, making the screen and electronic equipment more reliable and have a longer service life.
  • the present application also provides a hinge assembly, which is applied to a foldable electronic device.
  • the rotating shaft assembly includes a main shaft, a first fixing frame, a second fixing frame, a first connecting arm and a second connecting arm; the first fixing frame is fixedly connected to the first casing, and the second fixing frame is fixedly connected to the second casing.
  • the first connecting arm includes a first end and a second end, the first end of the first connecting arm is rotatably connected to the main shaft, and the second end of the first connecting arm is rotatably connected to the first fixed frame.
  • the second connecting arm includes a first end and a second end, the first end of the second connecting arm is rotatably connected to the main shaft, and the second end of the second connecting arm is rotatably connected to the first fixed frame.
  • the rotating shaft assembly also includes a first supporting part, a first connecting part, a second supporting part and a second connecting part.
  • the first supporting part is rotatably connected with the first fixed frame, and the two ends of the first connecting part are respectively rotatably connected with the first supporting part and the first connecting arm;
  • the second supporting part is rotatably connected with the second fixed frame, and the two ends of the second connecting part Both ends are rotatably connected with the second support member and the second connecting arm respectively.
  • the first housing, the first support, the main shaft, the second support and the second housing jointly carry the screen.
  • the first connecting piece can move to make the first supporting piece rotate relative to the first connecting arm, and the four mechanisms of the first supporting piece, the first fixing frame, the first connecting arm and the first connecting piece are respectively connected with Adjacent mechanisms are rotatably connected to form a four-bar linkage structure, so that the first fixed frame, the first connecting arm and the first connecting piece jointly limit the movement of the first support, so that the movement trajectory of the first support can be precisely controlled .
  • the second connecting part can move so that the second supporting part rotates relative to the second connecting arm, and the four mechanisms of the second supporting part, the second fixing frame, the second connecting arm and the second connecting part respectively rotate with the adjacent mechanisms
  • the connections together form a four-link structure, so that the second fixed frame, the second connecting arm and the second connecting piece jointly limit the movement of the second support, so that the movement trajectory of the second support can be precisely controlled. Therefore, the shaft assembly drives the first support and the second support to move through the first connection and the second connection, and can precisely control the movement trajectories of the first support and the second support, thereby avoiding flexibility when the electronic device is folded.
  • the bend of the display to improve the reliability and lifespan of flexible displays and electronic devices.
  • the rotating shaft assembly further includes a first swing arm and a second swing arm.
  • the first swing arm includes a rotating end and a sliding end, the rotating end of the first swinging arm is rotationally connected to the main shaft, and the sliding end of the first swinging arm is slidingly connected to the first fixed frame;
  • the second swinging arm includes a rotating end and a sliding end, The rotating end of the second swing arm is rotatably connected to the main shaft, and the sliding end of the second swing arm is slidably connected to the second fixed frame.
  • the rotating end of the first swing arm is rotatably connected to the main shaft, and the sliding end is slidably connected to the first fixed frame, forming a link slider structure;
  • the rotating end of the second oscillating arm is rotatably connected to the main shaft, and the sliding end is slidably connected to the second
  • the second fixed frame forms a connecting rod slider structure, so the rotating shaft assembly realizes the connection between the fixed frame and the second fixed frame and the main shaft through the connecting rod slider structure.
  • the number of components is small, and the matching relationship and matching position are simple.
  • the component parts are easy to manufacture and assemble, which is conducive to realizing mass production.
  • the relative rotation center of the first connecting member and the first supporting member is the first rotating center
  • the relative rotating center of the first connecting member and the first connecting arm is the second rotating center
  • the first rotating The center and the second rotation center are staggered and set.
  • the first rotation center and the second rotation center are staggered, so that the first connecting arm and the first support can rotate and move relative to each other, so that the first support, the first fixing frame,
  • the first connecting arm and the first connecting part jointly form a four-bar linkage structure, and through the cooperation of the four-bar linkage mechanism, the movement trajectory of the first supporting part is precisely controlled.
  • the first connecting arm and the first connecting piece rotate relatively around the first center of rotation
  • the first support piece and the first connecting piece rotate relatively around the second center of rotation.
  • the application can design the first center of rotation of the first connecting piece
  • the relative position of the first support member and the second rotation center is adjusted to change the shape of the screen space.
  • the first connecting arm is provided with a first arc-shaped arm
  • the first support member is provided with a second arc-shaped arm
  • the two ends of the first connecting member are respectively provided with a first arc-shaped groove and a second arc-shaped groove.
  • the center line of the first arc-shaped slot is parallel to the center line of the second arc-shaped slot and arranged at intervals
  • the first arc-shaped arm is rotationally connected with the first arc-shaped slot
  • the second arc-shaped arm is connected with the second arc-shaped slot Turn to connect.
  • the centerline of the first arc-shaped groove is parallel to and spaced apart from the centerline of the second arc-shaped groove, so that the first rotation center and the second rotation center are staggered.
  • the first connecting member can rotate relative to the first arc arm of the first connecting arm through the first arc slot, so as to rotate relative to the first connecting arm.
  • the second connecting piece can rotate relative to the first arc arm of the second connecting arm through the first arc slot so as to rotate relative to the second connecting arm.
  • the first support member further includes a first support plate, the connecting end of the second arc-shaped arm is connected to the first support plate, and the rotating end of the second arc-shaped arm is rotatably connected to the second arc-shaped groove.
  • the rotating end of the second arc-shaped arm is suspended in the air and extends away from the main shaft, so that during the folding process of the rotating shaft assembly, the rotating end of the second arc-shaped arm extends into the second arc-shaped slot to increase Connection stability between the first connector and the first support.
  • the number of the first connecting parts is two, and the two first connecting parts are arranged opposite to each other.
  • the first connecting arm may be connected to the first supporting member through two first connecting members, so as to increase the connection strength with the first supporting member.
  • the first fixing frame is provided with a third arc-shaped slot
  • the first support member is further provided with a third arc-shaped arm
  • the third arc-shaped arm is installed in the third arc-shaped slot.
  • the third arc-shaped arm of the first support is installed in the third arc-shaped groove of the first fixed frame, so that the first support is rotatably connected to the first fixed frame through a virtual shaft connection.
  • the sliding end of the first swing arm is slidably connected to the first support member.
  • the sliding end of the first swing arm is slidably connected to the first support member, so that the first support member can slide relative to the first swing arm.
  • the first support member further includes a first guide arm
  • the first guide arm is provided with a first guide chute
  • the shaft assembly further includes a bottom shaft connected to the sliding end of the first swing arm, and Installed on the first guide chute.
  • the sliding end of the first swing arm can slide along the extension direction of the first guide chute, so that the first support can be controlled by the first guide chute when the first support slides relative to the first swing arm motion track.
  • the present application further provides a casing device, which includes a first casing, a second casing, and a rotating shaft assembly.
  • the first fixing frame of the rotating shaft assembly is fixedly connected to the first casing, and the second fixing frame is fixedly connected to the second casing; the first casing and the second casing can be relatively unfolded or relatively folded through the rotating shaft assembly.
  • the housing device can be applied to foldable electronic equipment.
  • the screen of the electronic device moves with the first casing, the rotating shaft assembly and the second casing.
  • the shaft assembly includes a first support, a first connection, a second support and a second connection.
  • the hinge assembly drives the first support and the second support to move through the first connection and the second connection, and can precisely control the movement trajectories of the first support and the second support, thereby automatically avoiding the screen when the electronic device is folded. Flexures to improve the reliability and lifespan of screens and electronics.
  • 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 a closed state;
  • Fig. 3 is a schematic diagram of a partial exploded structure of the electronic device shown in Fig. 1;
  • Fig. 4 is a structural schematic diagram of the shaft assembly shown in Fig. 3 in an open state
  • Fig. 5 is a schematic structural view of the shaft assembly shown in Fig. 4 in a closed state
  • Fig. 6 is a schematic diagram of a partial exploded structure of the shaft assembly shown in Fig. 4;
  • Fig. 7A is a schematic diagram of an exploded structure of the spindle shown in Fig. 6;
  • Fig. 7B is a structural schematic diagram of the main shaft shown in Fig. 7A at another angle;
  • Fig. 8 is a schematic structural view of a plurality of connecting components shown in Fig. 6;
  • Fig. 9 is a schematic diagram of a partially exploded structure of a plurality of connecting components shown in Fig. 8;
  • Fig. 10A is a structural schematic diagram of the first fixing frame shown in Fig. 9 at another angle;
  • Fig. 10B is a structural schematic diagram of the first fixing frame shown in Fig. 10A at another angle;
  • Fig. 11A is a structural schematic diagram of the second fixing frame shown in Fig. 9 at another angle;
  • Fig. 11B is a structural schematic diagram of the first fixing frame shown in Fig. 11A at another angle;
  • Fig. 12 is a structural schematic diagram of the first connecting arm shown in Fig. 9 at another angle;
  • Fig. 13 is a structural schematic diagram of the second connecting arm shown in Fig. 9 at another angle;
  • Fig. 14 is a structural schematic diagram of the first swing arm shown in Fig. 9 at another angle;
  • Fig. 15 is a structural schematic diagram of the second swing arm shown in Fig. 9 at another angle;
  • Fig. 16 is a structural schematic diagram of the first damping assembly shown in Fig. 9 at another angle;
  • Fig. 17 is an exploded schematic diagram of the structure of the first damping member shown in Fig. 16;
  • Fig. 18 is a partial structural schematic diagram of the bottom connection assembly shown in Fig. 8;
  • Fig. 19 is a schematic diagram of the assembly structure of the bottom connection assembly shown in Fig. 8 and the bottom cover of the main shaft shown in Fig. 7A;
  • Fig. 20A is a schematic cross-sectional structure cut along A1-A1 of the assembly structure of the bottom connection assembly and the main shaft shown in Fig. 6;
  • Fig. 20B is a schematic structural view of the structure shown in Fig. 20A when it is in a closed state;
  • Fig. 21A is a schematic cross-sectional view of the assembly structure of the bottom connection assembly and the main shaft shown in Fig. 6 cut along A2-A2;
  • Figure 21B is a schematic structural view of the structure shown in Figure 21A when it is in a closed state;
  • Fig. 22A is a schematic cross-sectional view of the assembly structure of the bottom connection assembly and the main shaft shown in Fig. 6 cut along A3-A3;
  • Fig. 22B is a schematic structural view of the structure shown in Fig. 22A when it is in a closed state;
  • Fig. 23A is a structural schematic diagram of the third fixing bracket shown in Fig. 9 at another angle;
  • Fig. 23B is a structural schematic diagram of the third fixing bracket shown in Fig. 23A at another angle;
  • Fig. 24A is a structural schematic diagram of the fourth fixing frame shown in Fig. 9 at another angle;
  • Fig. 24B is a structural schematic diagram of the fourth fixing frame shown in Fig. 24A at another angle;
  • Fig. 25 is a structural schematic diagram of the third connecting arm shown in Fig. 9 at another angle;
  • Fig. 26 is a structural schematic diagram of the fourth connecting arm shown in Fig. 9 at another angle;
  • Fig. 27 is a schematic diagram of the assembly structure of the middle connection assembly shown in Fig. 8 and the middle cover of the main shaft shown in Fig. 7A;
  • Fig. 28 is a schematic diagram of the assembly structure of the top connection assembly shown in Fig. 8 and the top cover of the main shaft shown in Fig. 7A;
  • Fig. 29A is a schematic structural view of the first connector shown in Fig. 6;
  • Fig. 29B is a structural schematic diagram of the first connecting member shown in Fig. 29A at another angle;
  • Fig. 30A is a schematic structural view of the second connector shown in Fig. 6;
  • Fig. 30B is a structural schematic diagram of the second connecting member shown in Fig. 30A at another angle;
  • Fig. 31 is a structural schematic diagram of the first support shown in Fig. 6 at another angle;
  • Fig. 32 is a structural schematic diagram of the second support shown in Fig. 6 at another angle;
  • Fig. 33 is a structural schematic diagram of the bottom structure of the shaft assembly shown in Fig. 4 at another angle;
  • Fig. 34A is a schematic cross-sectional structure diagram of the shaft assembly shown in Fig. 33 cut along A4-A4;
  • Figure 34B is a schematic structural view of the structure shown in Figure 34A when it is in a closed state;
  • Fig. 35A is a schematic cross-sectional view of the shaft assembly shown in Fig. 33 cut along A5-A5;
  • Figure 35B is a schematic structural view of the structure shown in Figure 35A when it is in a closed state;
  • Fig. 36A is a schematic cross-sectional view of the shaft assembly shown in Fig. 33 cut along A6-A6;
  • Figure 36B is a schematic structural view of the structure shown in Figure 36A when it is in a closed state;
  • Fig. 37 is a schematic diagram of the connection relationship of the partial structure shown in Fig. 5;
  • Fig. 38A is a schematic cross-sectional structure diagram of the shaft assembly shown in Fig. 33 cut along A7-A7;
  • Figure 38B is a schematic structural view of the structure shown in Figure 38A when it is in a closed state
  • FIG. 39 is a partial structural diagram of the electronic device shown in FIG. 2 .
  • the term “plurality” means at least two.
  • the term “above” includes prime numbers.
  • the term “and/or” is an association relationship describing associated objects, which means that there can be three kinds of relationships, for example, A and/or B, which can mean: A exists alone, A and B exist at the same time, and B exists alone.
  • Terms such as “first” and “second” are used for descriptive purposes only, and should not be understood as implying or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • FIG. 1 is a schematic structural diagram of an electronic device 1000 provided in an embodiment of the present application when it is in an open state
  • FIG. 2 is a schematic structural diagram of the electronic device 1000 shown in FIG. 1 when it is in a closed state.
  • the electronic device 1000 includes a casing device 100 and a screen 200 , and the screen 200 is installed on the casing device 100 .
  • the casing device 100 can be unfolded to an open state; as shown in FIG. 2 , the casing device 100 can also be folded to a closed state.
  • the casing device 100 can also be unfolded or folded to an intermediate state, and the intermediate state can be any state between the open state and the closed state.
  • the screen 200 moves with the casing device 100 , and the casing device 100 can drive the screen 200 to unfold or fold, so that the electronic device 1000 can be unfolded to an open state, or folded to a closed state.
  • the screen 200 is located inside the casing device 100 .
  • the screen 200 when the electronic device 1000 is opened, the screen 200 is flattened, and the screen 200 can be displayed in full screen, so that the electronic device 1000 has a larger display area, so as to improve the user's viewing experience and operating experience.
  • the planar size of the electronic device 1000 is small, which is convenient for the user to carry and store.
  • the screen 200 can be integrated with a display function and a touch sensing function.
  • the display function of the screen 200 is used to display images, videos, etc.
  • the touch sensing function of the screen 200 is used to sense a user's touch action to realize human-computer interaction.
  • the screen 200 includes a flexible display screen that can be bent.
  • the flexible display can be a liquid crystal display (liquid crystal display, LCD), an organic light-emitting diode (organic light-emitting diode, OLED) display, an active matrix organic light-emitting diode or an active matrix organic light-emitting diode ( active-matrix organic light emitting diode (AMOLED) display, flexible light-emitting diode (flex light-emitting diode, FLED) display, MiniLED display, MicroLED display, Micro-OLED display, quantum dot light emitting diode (quantum dot light emitting diodes, QLED) display, etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • AMOLED active matrix organic light-emitting diode
  • FLED active-matrix organic light emitting diode
  • MiniLED display MicroLED display
  • Micro-OLED display quantum dot light emitting diode (quantum dot light emitting diodes, QLED) display, etc.
  • the electronic device 1000 is described as an example of a two-fold structure, that is, the electronic device 1000 includes two flat parts and a bending part connected between the two flat parts; the two flat parts The parts can be rotated toward each other to stack each other (corresponding to the closed state mentioned above), so that the electronic device 1000 presents a form of two layers; the two flat parts can also be rotated opposite to each other to be flattened (corresponding to the open state mentioned above).
  • the electronic device 1000 can also have a structure of more than three folds, etc., that is, the electronic device 1000 includes more than three flat parts, two adjacent flat parts are connected by a bending part, and adjacent The two plates can be rotated relative to each other to be stacked or rotated against each other to be flattened.
  • the structure of the electronic device 1000 can be designed adaptively by referring to the description of the two-fold structure in this embodiment, which will not be repeated in this application.
  • FIG. 3 is a schematic diagram of a partially exploded structure of the electronic device 1000 shown in FIG. 1 .
  • the housing device 100 includes a first housing 11 , a second housing 12 , a shaft assembly 2 and a back cover 3 .
  • the shaft assembly 2 can be connected between the first casing 11 and the second casing 12 .
  • the hinge assembly 2 can be deformed so that the first shell 11 and the second shell 12 can be relatively unfolded to an open state, and relatively folded to a closed state.
  • the screen 200 can follow the movement of the first housing 11 , the hinge assembly 2 and the second housing 12 , so as to realize unfolding and folding. It should be understood that when the electronic device 1000 is in the open state, the screen 200, the housing device 100 and the components of the housing device 100 are correspondingly in the open state; when the electronic device 1000 is in the closed state, the screen 200, the housing device 100 and the housing device The components of the device 100 are correspondingly in a closed state.
  • the angle between the first casing 11 and the second casing 12 may be approximately 180°, the first casing 11 and the second casing 12 are flattened, and the screen 200 presents a flattened shape. flat form.
  • the angle between the first housing 11 and the second housing 12 may also have a slight deviation from 180°, such as 165°, 177° or 185°, etc. In this case, the first housing 11 and the second housing 12 are considered to be flattened.
  • the angle between the first housing 11 and the second housing 12 is defined as the angle between the upper side of the first housing 11 and the upper side of the second housing 12 .
  • the direction that is the same as the light emitting direction of the screen 200 is defined as "up"
  • the direction opposite to the light emitting direction of the screen 200 is defined as "down".
  • the angle between the first housing 11 and the second housing 12 may be approximately 0°, the first housing 11 and the second housing 12 are folded, and the screen 200 is in a folded state.
  • the lower surface of the first casing 11 may contact the lower surface of the second casing 12 to achieve positioning.
  • the lower surface of the first shell 11 may also be close to the lower surface of the second shell 12, and there is a small gap between them, This application does not strictly limit it.
  • the back cover 3 is located under the rotating shaft assembly 2 and is fixedly connected to the rotating shaft assembly 2 .
  • the first casing 11 and the second casing 12 jointly cover the back cover 3 , and the back cover 3 is hidden between the shaft assembly 2 and the first casing 11 and the second casing 12 .
  • the back cover 3 is exposed relative to the first casing 11 and the second casing 12, and the back cover 3 forms a part of the appearance of the electronic device 1000, and the back cover 3 can cover the shaft assembly 2, so as to improve the electronic
  • the appearance consistency and aesthetics of the device 1000 are also convenient for the user to hold the electronic device 1000 .
  • first housing 11 and the second housing 12 are housing parts, which are used to install and fix other components of the electronic device 1000, and have various structures.
  • the embodiments of the present application only briefly describe the first housing 11 and the partial structure of the second housing 12 are given as examples, and simplified diagrams are also shown in the drawings. The embodiment of the present application does not strictly limit the specific structures of the first housing 11 and the second housing 12 .
  • the side of the first housing 11 and the second housing 12 close to the shaft assembly 2 may be provided with a plurality of mounting structures such as protrusions and grooves for compatibility with the shaft assembly 2 and other components of the electronic device 1000 Cooperate so that the shaft assembly 2 is connected to the first housing 11 and the second housing 12 , and other components are installed on the first housing 11 and/or the second housing 12 .
  • the shaft assembly 2 connects the first housing 11 and the second housing 12, and through the structural design of the shaft assembly 2, the first housing 11 and the second housing 12 can be opened when the electronic device 1000 is opened. It can be flattened and together with the hinge assembly 2 to provide a flat supporting environment for the screen 200, it can also be folded when the electronic device 1000 is in a closed state, and together with the hinge assembly 2 can provide a good screen space for the screen 200, so that the electronic device
  • the screen 200 of 1000 can not only meet the needs of large-screen display, but also meet the needs of folding and storage, and the risk of damage to the screen 200 is relatively small, and the reliability is high.
  • the implementation structure of the rotating shaft assembly 2 is illustrated below with an example.
  • Fig. 4 is a schematic structural view of the shaft assembly 2 shown in Fig. 3 in an open state
  • Fig. 5 is a schematic structural view of the shaft assembly 2 shown in Fig. 4 in a closed state
  • Fig. 4 is a schematic diagram of a partial exploded structure of the shaft assembly 2.
  • the shaft assembly 2 includes a main shaft 21, a first support 22, a second support 23, a bottom connection assembly 24, a middle connection assembly 25, a top connection assembly 26, a first connection 27, and a second connection 28 , the third connecting piece 29 and the fourth connecting piece 30 .
  • the main shaft 21 and a plurality of connecting assemblies ( 24 , 25 , 26 ) jointly form the main motion mechanism of the rotating shaft assembly 2 .
  • the two ends close to the main shaft 21 are defined as the top and the bottom respectively, and the direction from the top of the main shaft 21 to the bottom is the extension direction of the main shaft 21; the orientation near the top of the main shaft 21 is defined as "top", close to The orientation of the bottom end of the main shaft 21 is "bottom".
  • connection components 24 , 25 , 26
  • the multiple connection components 24 , 25 , 26
  • a plurality of connecting assemblies are also connected between the first housing 11 and the second housing 12 (see FIG. During deformation, the first housing 11 and the second housing 12 are deformed relative to the main shaft 21 to be relatively unfolded or relatively folded.
  • first support member 22 can be connected to the bottom connection assembly 24 through the first connection member 27, and connected to the top connection assembly 26 through the third connection member 29;
  • second support member 23 can be connected to the bottom connection assembly 24 through the second connection member 28 , and connected to the top connection assembly 26 through the fourth connection piece 30 .
  • a plurality of connecting parts (27, 28, 29, 30) can move, so that the first supporting part 22 and the second supporting part 23 move with a plurality of connecting components (24, 25, 26) to realize relative unfolding and relative folding action.
  • the first support member 22 and the second support member 23 are relatively expanded, and the first support member 22 and the second support member 23 are respectively located on both sides of the main shaft 21, and the first support member 22 and the second support member 23 are respectively located on both sides of the main shaft 21.
  • the member 22, the main shaft 21 and the second supporting member 23 are used to jointly provide a flat supporting environment. As shown in Fig.
  • the first support member 22 and the second support member 23 are relatively folded, and the first support member 22 and the second support member 23 are located on the same side of the main shaft 21, and the first support member
  • the distance between the second support 22 and the second support 23 gradually increases in the direction close to the main shaft 21 , and the first support 22 , the second support 23 and the main shaft 21 together form a screen space 210 .
  • the shape of the screen space 210 may be in the shape of a water drop or a shape similar to a water drop.
  • the embodiment of the present application takes the rotating shaft assembly 2 as an example with three connecting assemblies for illustration. It should be understood that in some other embodiments, the rotating shaft assembly 2 may also have more or less connecting assemblies, and the connecting assemblies may be disassembled.
  • the structures of the multiple connecting components (24, 25, 26) may be the same or different, which is not strictly limited in this embodiment of the present application.
  • FIG. 7A is a schematic exploded view of the main shaft 21 shown in FIG. 6
  • FIG. 7B is a schematic structural view of the main shaft 21 shown in FIG. 7A at another angle.
  • the viewing angle in FIG. 7B is reversed left and right relative to the viewing angle in FIG. 7A .
  • the main shaft 21 includes a main support plate 211 and a plurality of covers ( 212 , 213 , 214 ), the plurality of covers include a bottom cover 212 , a middle cover 213 and a top cover 214 .
  • the bottom cover 212, the middle cover 213 and the top cover 214 are all located below the main support plate 211; the bottom cover 212 is fixed on the bottom of the main support plate 211, and forms a connection between the main support plate 211 for installing the bottom
  • the bottom space of the assembly 24; the middle cover body 213 is fixed on the middle part of the main support plate 211, and forms a middle space for installing the middle connection assembly 25 between the main support plate 211;
  • the top cover body 214 is fixed on the main support plate 211
  • the top, and a head space for installing the top connection assembly 26 is formed between the main support plate 211 .
  • the number, structure, position, etc. of the multiple covers (212, 213, 214) are set corresponding to the multiple connection components (24, 25, 26).
  • the main support plate 211 is provided with a plurality of matching structures towards the lower side of the plurality of covers (212, 213, 214), and the plurality of matching structures are used to cooperate with the plurality of covers (212, 214). 213, 214) to form a plurality of spaces for mounting a plurality of connection assemblies (24, 25, 26).
  • the plurality of mating structures may include grooves, openings, protrusions, and the like.
  • the main support plate 211 may include a first arc surface 2115 and a first wave surface 2116 . Wherein, the first arc surface 2115 and the first wave surface 2116 are located at the bottom of the main support plate 211 .
  • the first arc surface 2115 may be a concave arc surface.
  • the first wavy surface 2116 may include a plurality of areas arranged along the extension direction of the main shaft 21 , each area includes a plurality of concave arc surfaces, and the arrangement direction of the plurality of arc surfaces is perpendicular to the extension direction of the main shaft 21 .
  • the main support plate 211 may be provided with a plurality of limiting holes 2112 , a plurality of escape notches 2113 and a plurality of fastening holes 2114 .
  • a plurality of limit holes 2112 are located at both ends of the main support plate 211, and are used to cooperate with the limit structures of the bottom cover 212 and the top cover 214, so as to limit the relative position of the bottom cover 212 and the top cover 214 to the main support plate 211.
  • a plurality of avoidance notches 2113 are located on both sides of the main support plate 211, and the plurality of avoidance notches 2113 are used to avoid structural members of a plurality of connection assemblies (24, 25, 26) during the movement of the rotating shaft assembly 2.
  • a plurality of fastening holes 2114 are used to allow fasteners to pass through.
  • a plurality of escape notches 2113 and a plurality of fastening holes 2114 are distributed on the bottom, middle and top of the main support plate 211 .
  • the bottom cover 212 may generally have a cover structure with a concave middle part and raised sides. Two sides of the bottom cover 212 may be provided with a plurality of escape notches 2121 .
  • the bottom cover 212 is provided with a plurality of matching structures facing the upper side of the main support plate 211 , and the plurality of matching structures are used to cooperate with the main support plate 211 to form a bottom space for installing the bottom connection assembly 24 .
  • the plurality of mating structures may include grooves, openings, protrusions, and the like.
  • the bottom shell 212 may include a second arc surface 2122 and a second wave surface 2123 .
  • the second arc surface 2122 is a concave arc surface; the second wave surface 2123 includes a plurality of regions, and each region includes a plurality of concave arc surfaces.
  • the second arc surface 2122 can cooperate with the first arc surface 2115 of the main support plate 211, and the second wave surface 2123 can cooperate with the first wave surface 2116 of the main support plate 211 to form a bottom space.
  • the bottom cover body 212 can be fixedly connected to the main support plate 211 through a plurality of fasteners.
  • the bottom cover 212 may also be provided with a plurality of fastening holes 2125 .
  • the plurality of fastening holes 2125 of the bottom cover 212 are aligned with part of the fastening holes 2114 of the main support plate 211, and a plurality of fasteners extend into the fastening holes 2125 of the bottom cover 212 and the fastening holes 2114 of the main support plate 211, To lock the bottom cover 212 and the main support plate 211 .
  • the bottom cover body 212 can also be provided with a limit post 2126, the limit post 2126 is aligned with a part of the limit hole 2112 of the main support plate 211, and the limit post 2126 goes deep into the limit hole at the bottom of the bottom cover body 212 2112 to define the installation position of the bottom cover 212 relative to the main support plate 211.
  • the structure of the middle cover 213 and the top cover 214 can refer to the design of the bottom cover 212
  • the connection structure between the middle cover 213 and the top cover 214 and the main support plate 211 can refer to the bottom cover 212 and the main support plate
  • the connection structure design of 211 will not be repeated here. It should be understood that, in the embodiment of the present application, when a component is designed with reference to another component, the structures of the two components may be completely consistent, or the core structures of the two components may be the same, and some structures may be different. Applications are not strictly limited to this.
  • Fig. 8 is a schematic structural view of a plurality of connection assemblies (24, 25, 26) shown in Fig. 6, and Fig. 9 is a plurality of connection assemblies (24, 25, 26) shown in Fig. 8 26) Schematic diagram of the partial decomposition structure.
  • the bottom connection assembly 24 includes a first fixing frame 241, a second fixing frame 242, a first connecting arm 243, a second connecting arm 244, a first swing arm 245, a second swing arm 246 and a first damping component 247.
  • Both ends of the first connecting arm 243 are respectively connected to the main shaft 21 and the first fixing frame 241 .
  • Two ends of the first swing arm 245 are respectively connected to the main shaft 21 and the first fixing frame 241 .
  • Two ends of the second connecting arm 244 are respectively connected to the main shaft 21 and the second fixing frame 242 .
  • Two ends of the second swing arm 246 are respectively connected to the main shaft 21 and the second fixing frame 242 .
  • the first damping component 247 is mounted on the main shaft 21 and connected to the first swing arm 245 and the second swing arm 246 .
  • the bottom connecting assembly 24 can also include a plurality of bottom rotating shafts (2481, 2482, 2483, 2484), and a plurality of bottom rotating shafts (2481, 2482, 2483, 2484) are used to connect other parts of the bottom connecting assembly 24, the specific connection structure Described later.
  • the middle connecting assembly 25 includes a third fixing frame 251, a fourth fixing frame 252, a third connecting arm 253, a fourth connecting arm 254, a third swing arm 255, a fourth swing arm 256 and a second damping member. 257.
  • Two ends of the third connecting arm 253 are respectively connected to the main shaft 21 and the third fixing frame 251 .
  • Two ends of the third swing arm 255 are respectively connected to the main shaft 21 and the third fixing frame 251 .
  • Two ends of the fourth connecting arm 254 are respectively connected to the main shaft 21 and the fourth fixing frame 252 .
  • Two ends of the fourth swing arm 256 are respectively connected to the main shaft 21 and the fourth fixing frame 252 .
  • the second damper 257 is mounted on the main shaft 21 and connected to the third swing arm 255 and the fourth swing arm 256 .
  • the middle connecting assembly 25 may also include a plurality of middle rotating shafts (2581, 2582, 2583, 2584), and a plurality of middle rotating shafts (2581, 2582, 2583, 2584) are used for inserting other parts of the middle connecting assembly 25, specifically connecting The structure is described later.
  • the top connecting assembly 26 includes a fifth fixing frame 261, a sixth fixing frame 262, a fifth connecting arm 263, a sixth connecting arm 264, a fifth swing arm 265, a sixth swing arm 266 and a third damping component 267.
  • Two ends of the fifth connecting arm 263 are respectively connected to the main shaft 21 and the fifth fixing frame 261 .
  • Two ends of the fifth swing arm 265 are respectively connected to the main shaft 21 and the fifth fixing frame 261 .
  • Both ends of the sixth connecting arm 264 are respectively connected to the main shaft 21 and the sixth fixing frame 262 .
  • Both ends of the sixth swing arm 266 are respectively connected to the main shaft 21 and the sixth fixing frame 262 .
  • the third damping assembly 267 is mounted on the main shaft 21 and connected to the fifth swing arm 265 and the sixth swing arm 266.
  • the top connection assembly 26 can also include a plurality of top shafts (2681, 2682, 2683, 2684), and a plurality of top shafts (2681, 2682, 2683, 2684) are used to insert other parts of the top connection part, the specific connection structure Described later.
  • FIG. 10A is a structural diagram of the first fixing frame 241 shown in FIG. 9 at another angle
  • FIG. 10B is a structural schematic diagram of the first fixing bracket 241 shown in FIG. 10A at another angle.
  • the viewing angle shown in FIG. 10B is flipped left and right relative to the viewing angle shown in FIG. 10A .
  • the first fixing frame 241 has a first rotating shaft hole 2411 , a first escape notch 2412 , a first sliding groove 2413 , a third arc-shaped groove 2414 and a plurality of fastening holes 2415 .
  • the first fixed frame 241 includes a first rotating connection part 2416 and an installation space, and the installation space extends from the side of the first rotating connecting part 2416 to the end surface of the first fixed frame 241 for installation and connection to the first rotating The mechanism of the connection part 2416.
  • the first rotating shaft hole 2411 is formed in the first rotating connecting portion 2416 .
  • the first fixing frame 241 can also include a first matching block 2418, the first matching block 2418 is arranged in the installation space and is fixedly connected with the first rotating connection part 2416, and is used for the matching structure of the mechanism connected to the first rotating connecting part 2416 To cooperate.
  • the first mating block 2418 is wedge-shaped.
  • the first fitting block 2418 has a first upper surface 24181 and a first lower surface 24182 , and the first lower surface 24182 of the first fitting block 2418 constitutes the lower surface 2410 of the first fixing frame 241 .
  • the first upper surface 24181 is inclined relative to the first lower surface 24182 with an angle between them.
  • the first avoidance notch 2412 can be located on the top side or the bottom side of the first matching block 2418 , and is used for avoiding part of the structure of the mechanism connected to the first rotating connection part 2416 .
  • the number of the first escape notches 2412 can also be two, which are respectively located on the top side and the bottom side of the first matching block 2418 .
  • the first sliding groove 2413 has two opposite side walls, and the two opposite side walls are recessed to jointly form a guiding space of the first sliding groove 2413 . That is to say, the side wall of the first sliding groove 2413 may have a concave guide space for guiding the sliding direction of the structural components installed in the first sliding groove 2413, so that the relative relationship between the first fixing bracket 241 and the corresponding structural components The sliding action is easier to realize and the control precision is higher.
  • the number of the third arc-shaped slots 2414 is two, and the two third arc-shaped slots 2414 are respectively formed at the bottom end and the top end of the first fixing frame 241 .
  • one side of the third arc-shaped groove 2414 at the bottom of the first fixing frame 241 can extend to the bottom surface of the first fixing frame 241
  • one side of the third arc-shaped groove 2414 at the top of the first fixing frame 241 can be extending to the top surface of the first fixing frame 241 .
  • the number of the third arc-shaped slot 2414 can also be one, and it is formed at the bottom end or the top end of the first fixing frame 241 .
  • the plurality of fastening holes 2415 are used to allow fasteners to pass through and be fixedly connected to the first housing 11 through the fasteners (see FIG. 3 ).
  • a plurality of fastening holes 2415 are distributed on the bottom, middle and top of the first fixing frame 241 .
  • the first fixing frame 241 includes a first locking block 2417 , and the first locking block 2417 protrudes and is used for locking into the first casing 11 .
  • Fastening holes 24171 may be provided on the first locking block 2417 .
  • the first fixing frame 241 can be fixed to the first casing 11 through a plurality of fasteners passing through the plurality of fastening holes 24171 (refer to FIG. 3 ).
  • the first fixing frame 241 has a first mating surface 2419, the first mating surface 2419 can be a plane, and one end opening of the third arc-shaped groove 2414 is located on the first mating surface 2419, and the first mating surface 2419 is opposite to the first locking block
  • the upper surface 24172 of 2417 is inclined.
  • FIG. 11A is a schematic structural view of the second fixing frame 242 shown in FIG. 9 at another angle
  • FIG. 11B is a structural schematic view of the first fixing frame 241 shown in FIG. 11A at another angle.
  • the angle of view shown in Figure 11B is flipped left and right relative to the angle of view shown in Figure 11A.
  • the second fixing bracket 242 has a second rotating shaft hole 2421 , a second escape notch 2422 , a second sliding groove 2423 , a fourth arc-shaped groove 2424 and a plurality of fastening holes 2425 .
  • the second fixed frame 242 includes a second rotating connection part 2426 and an installation space, and the installation space extends from the side of the second rotating connecting part 2426 to the end surface of the second fixed frame 242 for installation and connection to the second rotating The mechanism of the connection part 2426.
  • the second rotating shaft hole 2421 is formed in the second rotating connection portion 2426 .
  • the second fixing frame 242 can also include a second matching block 2428, which is arranged in the installation space and fixedly connected with the second rotating connection part 2426, and is used for the matching structure of the mechanism connected to the second rotating connecting part 2426 To cooperate.
  • the second matching block 2428 is wedge-shaped.
  • the second matching block 2428 has a second upper surface 24281 and a second lower surface 24282 , and the second lower surface 24282 of the second matching block 2428 forms the lower surface 2420 of the second fixing frame 242 .
  • the second upper surface 24281 is inclined relative to the second lower surface 24282 with an angle between them.
  • the second avoidance notch 2422 can be located on the top side or the bottom side of the second matching block 2428 for avoiding part of the structure of the mechanism connected to the second rotating connection part 2426 .
  • the number of the second escape notches 2422 can also be two, which are respectively located on the top side and the bottom side of the second matching block 2428 .
  • the second sliding groove 2423 has two opposite side walls, and the two opposite side walls are recessed to jointly form a guiding space of the second sliding groove 2423 . That is, the side wall of the second sliding groove 2423 may have a recessed guide space for guiding the sliding direction of the structural components installed in the second sliding groove 2423, so that the relative relationship between the second fixing frame 242 and the corresponding structural components The sliding action is easier to realize and the control precision is higher.
  • the number of the fourth arc-shaped slots 2424 is two, and the two fourth arc-shaped slots 2424 are respectively formed at the bottom end and the top end of the second fixing bracket 242 .
  • one side of the fourth arc-shaped groove 2424 at the bottom of the second fixing frame 242 can extend to the bottom surface of the second fixing frame 242, and one side of the fourth arc-shaped groove 2424 at the top of the second fixing frame 242 can be Extend to the top surface of the second fixing frame 242 .
  • the number of the fourth arc-shaped groove 2424 can also be one, and it is formed at the bottom end or the top end of the second fixing bracket 242 .
  • the plurality of fastening holes 2415 are used to allow fasteners to pass through, and to be fixedly connected to the second housing 12 through the fasteners (refer to FIG. 3 ).
  • a plurality of fastening holes 2425 are distributed in the bottom, middle and top of the second fixing frame 242 .
  • the second fixing frame 242 includes a second locking block 2427 , and the second locking block 2427 protrudes and is used for locking into the second housing 12 .
  • Fastening holes 24271 may be provided on the second locking block 2427 .
  • the second fixing frame 242 can be fixed to the second housing 12 through a plurality of fasteners through the plurality of fastening holes 24271 (refer to FIG. 3 ).
  • the second fixing frame 242 has a second mating surface 2429, the second mating surface 2429 can be a plane, and one end opening of the fourth arc-shaped groove 2424 is located on the second mating surface 2429, and the second mating surface 2429 is opposite to the second locking block
  • the upper surface 24272 of 2427 is inclined.
  • FIG. 12 is a structural diagram of the first connecting arm 243 shown in FIG. 9 at another angle.
  • the first connecting arm 243 includes a first end 2431 and a second end 2432, and both the first end 2431 and the second end 2432 are rotating ends.
  • the first end 2431 of the first connecting arm 243 is an arc-shaped arm; the second end 2432 of the first connecting arm 243 is provided with a shaft hole 24321 .
  • the first connecting arm 243 further includes a connecting section 2433 connected between the first end 2431 and the second end 2432 .
  • the upper surface of the connecting section 2433 may be bent relative to the upper surface of the second end 2432 of the first connecting arm 243 .
  • a matching space 24331 is provided on the lower side of the connecting section 2433 , which can cooperate with the matching structure of the first fixing frame 241 to meet the structural matching requirements of the first fixing frame 241 and the first connecting arm 243 .
  • the arrangement of the connecting section 2433 makes the structural design of the first connecting arm 243 more flexible, which can better meet the connection requirements and shape requirements of the bottom connection assembly 24 and the rotating shaft assembly 2 .
  • the first connecting arm 243 may be an integrally formed structural member to have higher structural strength.
  • the first connecting arm 243 can be formed by computer numerical control (computer numerical control, CNC) milling process.
  • CNC computer numerical control
  • the first connecting arm 243 may also be formed by metal injection molding process, which is not strictly limited in this embodiment of the present application.
  • FIG. 13 is a structural diagram of the second connecting arm 244 shown in FIG. 9 at another angle.
  • the second connecting arm 244 includes a first end 2441 and a second end 2442, and both the first end 2441 and the second end 2442 are rotating ends.
  • the first end 2441 of the second connecting arm 244 is an arc-shaped arm; the second end 2442 of the second connecting arm 244 is provided with a shaft hole 24421 .
  • the second connecting arm 244 further includes a connecting section 2443 connected between the first end 2441 and the second end 2442 .
  • the upper surface of the connecting section 2443 may be bent relative to the upper surface of the second end 2442 of the second connecting arm 244 .
  • a matching space 24431 is provided on the lower side of the connecting section 2443 , which can cooperate with the matching structure of the second fixing frame 242 to meet the structural matching requirements of the second fixing frame 242 and the second connecting arm 244 .
  • the arrangement of the connecting section 2443 makes the structural design of the second connecting arm 244 more flexible, which can better meet the connection requirements and shape requirements of the bottom connection assembly 24 and the rotating shaft assembly 2 .
  • the second connecting arm 244 may be an integrally formed structural member to have higher structural strength.
  • the second connecting arm 244 can be formed by computer numerical control milling process.
  • the second connecting arm 244 may also be formed by a metal injection molding process, which is not strictly limited in this embodiment of the present application.
  • the shape of the first connecting arm 243 can be the same as that of the second connecting arm 244 , so as to use the same material, save the material type of the rotating shaft assembly 2 , and reduce the cost of the rotating shaft assembly 2 . In some other embodiments, the shape of the first connecting arm 243 may be different from that of the second connecting arm 244 , which is not strictly limited in this embodiment of the present application.
  • FIG. 14 is a structural diagram of the first swing arm 245 shown in FIG. 9 at another angle.
  • the first swing arm 245 includes a rotating end 2451 and a sliding end 2452 .
  • the rotating end 2451 of the first swing arm 245 is provided with a rotating shaft hole 24511 , and the rotating shaft hole 24511 passes through the rotating end 2451 of the first swinging arm 245 .
  • the rotating end 2451 of the first swing arm 245 may be provided with a structure for matching with the first damping assembly 247 .
  • the rotating end 2451 of the first swing arm 245 may include a plurality of engaging teeth 24512, a plurality of first protrusions 24513 and a plurality of second protrusions 24514; the plurality of engaging teeth 24512 may be located at the rotating end of the first swing arm 245 2451, and is located on the side facing away from the sliding end 2452 of the first swing arm 245; a plurality of first protrusions 24513 and a plurality of second protrusions 24514 are oppositely located at the rotating end 2451 of the first swing arm 245 At both ends of the first swing arm 245, a plurality of first protrusions 24513 are arranged in a ring and spaced apart from each other.
  • the plurality of first protrusions 24513 are arranged around the shaft hole 24511 of the rotating end 2451 of the first swing arm 245, and the plurality of second protrusions 24514 Arranged in a ring shape and spaced apart from each other, a plurality of second protrusions 24514 are disposed around the shaft hole 24511 of the rotating end 2451 of the first swing arm 245 .
  • the sliding end 2452 of the first swing arm 245 includes a sliding block 24521 and a rotating connecting block 24522 , the rotating connecting block 24522 is located above the sliding block 24521 and is fixedly connected to the sliding block 24521 .
  • the sliding end 2452 of the first swing arm 245 is provided with a first shaft insertion hole 24523 .
  • the first shaft insertion hole 24523 is located on the rotating connection block 24522 .
  • the first shaft insertion hole 24523 may be partly located on the rotating connecting block 24522 and partly located on the sliding block 24521, so as to fully utilize the thickness of the sliding end 2452 of the first swing arm 245, which is beneficial to the first swing arm 245. Thinning of the sliding end 2452.
  • the sliding end 2452 of the first swing arm 245 is also provided with a first avoidance area 24524, the first avoidance area 24524 runs through the sliding block 24521 and the rotating connecting block 24522, and the first avoiding area 24524 also extends to the end of the sliding end 2452 away from the rotation On the end face of 2451, the first avoidance area 24524 divides the first shaft insertion hole 24523 into two parts.
  • the first swing arm 245 further includes a connecting section 2453 connected between the rotating end 2451 and the sliding end 2452 .
  • the connecting section 2453 of the first swing arm 245 can be bent relative to the sliding end 2452 of the first swing arm 245, so that the structural design of the first swing arm 245 is more flexible, and can better meet the needs of the bottom connection assembly 24. and the connection requirements and shape requirements of the shaft assembly 2.
  • connection section 2453 of the first swing arm 245 may include two extension blocks 24531, which are respectively located on both sides of the connection section 2453 of the first swing arm 245, and the two extension blocks 24531 can increase the Structural strength of a swing arm 245.
  • the first swing arm 245 may be an integrally formed structural member to have higher structural strength.
  • the first swing arm 245 can be formed by metal injection molding process, or by other processes, which is not strictly limited in this embodiment of the present application.
  • FIG. 15 is a structural schematic diagram of the second swing arm 246 shown in FIG. 9 at another angle.
  • the second swing arm 246 includes a rotating end 2461 and a sliding end 2462 .
  • the rotating end 2461 of the second swing arm 246 is provided with a rotating shaft hole 24611 , and the rotating shaft hole 24611 passes through the rotating end 2461 of the second swinging arm 246 .
  • the rotating end 2461 of the second swing arm 246 may be provided with a structure for matching with the first damping assembly 247 .
  • the rotating end 2461 of the second swing arm 246 may include a plurality of engaging teeth 24612, a plurality of first protrusions 24613 and a plurality of second protrusions 24614; the plurality of engaging teeth 24612 may be located at the rotating end of the second swing arm 246 2461, and is located on the side of the sliding end 2462 facing away from the second swing arm 246; a plurality of first protrusions 24613 and a plurality of second protrusions 24614 are oppositely located at the rotating end 2461 of the second swing arm 246 A plurality of first protrusions 24613 are arranged in a ring and spaced apart from each other, a plurality of first protrusions 24613 are arranged around the shaft hole 24611 of the rotating end 2461 of the second swing arm 246, and a plurality of second protrusions The 24614 are arranged in a ring shape and spaced apart from each other, and a plurality of second protrusions 2
  • the sliding end 2462 of the second swing arm 246 includes a sliding block 24621 and a rotating connecting block 24622 , the rotating connecting block 24622 is located above the sliding block 24621 and is fixedly connected to the sliding block 24621 .
  • the sliding end 2462 of the second swing arm 246 is provided with a second shaft insertion hole 24623 .
  • the second shaft insertion hole 24623 is located on the rotating connection block 24622 .
  • the second shaft insertion hole 24623 can be partly located on the rotating connecting block 24622 and partly located on the sliding block 24621, so as to make full use of the thickness of the sliding end 2462 of the second swing arm 246 and facilitate the movement of the second swing arm 246.
  • the sliding end 2462 of the second swing arm 246 is also provided with a second avoidance area 24624, the second avoidance area 24624 runs through the sliding block 24621 and the rotating connection block 24622, and the second avoiding area 24624 also extends to the end of the sliding end 2462 away from the rotation On the end face of 2461, the second avoidance area 24624 divides the second shaft insertion hole 24623 into two parts.
  • the second swing arm 246 may be an integrally formed structural member to have higher structural strength.
  • the second swing arm 246 can be formed by metal injection molding process, or by other processes, which is not strictly limited in this embodiment of the present application.
  • the shape of the first swing arm 245 can be the same as that of the second swing arm 246 to use the same material, saving the material type of the shaft assembly 2 and reducing the cost of the shaft assembly 2 . In some other embodiments, the shape of the first swing arm 245 may also be different from that of the second swing arm 246 , which is not strictly limited in this embodiment of the present application.
  • FIG. 16 is a structural diagram of the first damping assembly 247 shown in FIG. 9 at another angle
  • FIG. 17 is an exploded schematic diagram of the structure of the first damping member 247 shown in FIG. 16 .
  • the first damping assembly 247 includes a first locking member 2471, a second locking member 2472, a plurality of synchronous gears 2473, a first fixing plate 2474, an elastic member 2475, a second fixing plate 2476, a first rotation A connecting shaft 2477 , a second connecting shaft 2478 and a plurality of third connecting shafts 2479 .
  • “the number of synchronous gears 2473 is two, and the number of third transfer shafts 2479 is two" is taken as an example for illustration.
  • the first locking member 2471 includes a first locking plate 24711 and a plurality of first protrusion sets 24712 , and the plurality of first protrusion sets 24712 are fixed on the same side surface of the first locking plate 24711 .
  • the first locking plate 24711 includes a plurality of first through holes 24713, and the plurality of first through holes 24713 are spaced apart from each other.
  • the plurality of first through holes 24713 may be arranged in a straight line, an arc, or a wave.
  • the plurality of first bump groups 24712 are arranged in one-to-one correspondence with the plurality of first through holes 24713 .
  • each first bump group 24712 may include a plurality of first bumps 24714, the plurality of first bumps 24714 are arranged in a ring shape and spaced apart from each other, and the plurality of first bumps 24714 are arranged around the first through hole 24713, A first locking groove 24715 is formed between two adjacent first protrusions 24714 .
  • the first locking member 2471 can be an integrally formed structural member to have higher structural strength.
  • the second locking member 2472 includes a second locking plate 24721 and a plurality of second protrusion sets 24722 , and the multiple second protrusion sets 24722 are fixed on the same side surface of the second locking plate 24721 .
  • the second locking plate 24721 includes a plurality of second through holes 24723, and the plurality of second through holes 24723 are spaced apart from each other.
  • the plurality of second bump groups 24722 are arranged in one-to-one correspondence with the plurality of second through holes 24723 . Wherein, the number of the second through holes 24723 and the number of the second bump groups 24722 can be four.
  • Each second bump group 24722 may include a plurality of second bumps 24724, the plurality of second bumps 24724 are arranged in a ring and spaced apart from each other, and the plurality of second bumps 24724 are arranged around the second through hole 24723, A second locking groove 24725 is formed between two adjacent second protrusions 24724 .
  • the second locking member 2472 can be an integrally formed structural member to have higher structural strength.
  • the structure of the second locking member 2472 can be the same as that of the first locking member 2471, so as to use the same material, reduce the material types of the rotating shaft assembly 2 and reduce the cost of the rotating shaft assembly 2 .
  • the structure of the second locking member 2472 may also be different from that of the first locking member 2471, which is not strictly limited in this application.
  • the plurality of first protrusion groups 24712 of the first locking member 2471 are arranged opposite to the plurality of second protrusion groups 24722 of the second locking member 2472, and the plurality of first protrusion groups 24712 and the plurality of second protrusion groups
  • the two bump groups 24722 there is a one-to-one correspondence between the two bump groups 24722 .
  • the position of the first protrusion 24714 is directly opposite to the position of the second protrusion 24724, and the position of the first locking groove 24715 is opposite to that of the second protrusion.
  • the position of the two card slots 24725 is opposite.
  • the position of the first protrusion 24714 and the position of the second protrusion 24724 can also be staggered, or have other positional relationships, and the position of the first locking groove 24715 and the position of the second locking groove 24725 can also be staggered. They may be staggered or present other positional relationships, which are not strictly limited in this application.
  • a plurality of synchronous gears 2473 are located between the first locking member 2471 and the second locking member 2472, and the plurality of synchronous gears 2473 mesh with each other.
  • the synchronous gears 2473 are all provided with shaft holes 24731 .
  • Each synchronous gear 2473 may include a plurality of meshing teeth 24732 , a plurality of first protrusions 24733 and a plurality of second protrusions 24734 .
  • a plurality of meshing teeth 24732 may be located in the middle of the synchronous gear 2473, and the plurality of meshing teeth 24732 of two adjacent synchronous gears 2473 mesh with each other.
  • a plurality of first protrusions 24733 and a plurality of second protrusions 24734 are oppositely located at both ends of the synchronous gear 2473, the plurality of first protrusions 24733 are arranged in a ring and spaced apart from each other, the plurality of first protrusions 24733
  • the plurality of second protrusions 24734 are arranged around the shaft hole 24731 of the synchronous gear 2473 and arranged in a ring shape and spaced apart from each other.
  • the plurality of second protrusions 24734 are disposed around the shaft hole 24731 of the synchronous gear 2473 .
  • the plurality of first protrusions 24733 of the synchronous gear 2473 and the plurality of first protrusions 24714 of one of the first protrusion groups 24712 are staggered to form a snap-fit structure, and the plurality of first protrusions 24733 correspond to Snap into a plurality of first locking slots 24715; the plurality of second protrusions 24734 of the synchronous gear 2473 and the plurality of second protrusions 24724 of one of the second protrusion groups 24722 are arranged in a staggered manner to form a locking structure, and the plurality of The second protrusions 24734 are correspondingly snapped into a plurality of second locking slots 24725 .
  • the shapes and positions of the multiple first protrusions 24733 of the synchronous gear 2473 are adapted to the shapes and positions of the corresponding multiple first locking grooves 24715 .
  • the shapes and positions of the plurality of second protrusions 24734 of the synchronous gear 2473 are adapted to the shapes and positions of the corresponding plurality of second locking slots 24725 .
  • the synchronous gear 2473 can be an integrally formed structural member to have higher structural strength.
  • the structures of the plurality of synchronous gears 2473 can be the same, so as to use the same material, reduce the material types of the rotating shaft assembly 2 , and reduce the cost of the rotating shaft assembly 2 .
  • the structures of the multiple synchronous gears 2473 may also be different, which is not strictly limited in this application.
  • the first fixing plate 2474 is located on the side of the first locking part 2471 facing away from the second locking part 2472 .
  • the first fixing plate 2474 includes a plurality of slots 24741 spaced apart from each other.
  • the slots 24741 extend to the side of the first fixing plate 2474, so that the transfer shafts (2477, 2478, 2479) can be connected from the side of the first fixing plate 2474. snap into the slot 24741 to snap onto the first fixing plate 2474 .
  • the first fixing plate 2474 may be substantially flat.
  • the elastic member 2475 is located on the side of the second locking member 2472 facing away from the first locking member 2471 .
  • the elastic member 2475 includes a plurality of springs 24751 .
  • the number of springs 24751 is the same as the number of first through holes 24713 .
  • the quantity of spring 24751 can be four.
  • the elastic member 2475 may also use elastic materials such as elastic rubber, which is not strictly limited in this application.
  • the second fixing plate 2476 is located on the side of the elastic member 2475 facing away from the second locking member 2472 .
  • the second fixing plate 2476 may be in a plate structure.
  • the second fixing plate 2476 includes a plurality of third through holes 24761, and the plurality of third through holes 24761 are spaced apart from each other.
  • the number, arrangement shape and arrangement pitch of the plurality of first through holes 24713 , the plurality of second through holes 24723 and the plurality of third through holes 24761 may be the same.
  • the number of the third through holes 24761 may be four.
  • the top end of the first conversion shaft 2477 is provided with a limiting flange 24771 , and the outer diameter of the limiting flange 24771 is larger than the outer diameter of the main body of the first conversion shaft 2477 .
  • the bottom end of the first adapter shaft 2477 is provided with a limit card groove 24772, and the limit card groove 24772 is retracted relative to the outer surface of the main part of the first adapter shaft 2477, and the diameter of the bottom wall of the limit card groove 24772 is smaller than that of the first adapter shaft 2477.
  • the outer diameter of the main body portion of an adapter shaft 2477 is provided with a limiting flange 24771 , and the outer diameter of the limiting flange 24771 is larger than the outer diameter of the main body of the first conversion shaft 2477 .
  • the bottom end of the first adapter shaft 2477 is provided with a limit card groove 24772, and the limit card groove 24772 is retracted relative to the outer surface of the main part of the first adapt
  • the first connecting shaft 2477 is inserted into the second fixing plate 2476 , one of the springs 24751 , the second locking member 2472 , the first locking member 2471 and the first fixing plate 2474 .
  • the first adapter shaft 2477 passes through one of the third through holes 24761 of the second fixing plate 2476, the inner space of one of the springs 24751, one of the second through holes 24723 of the second locking member 2472, the first card One of the first through holes 24713 of the position member 2471 and one of the engaging slots 24741 of the first fixing plate 2474 .
  • the limiting flange 24771 of the first adapter shaft 2477 is located on the side of the second fixing plate 2476 facing away from the second locking member 2472 and abuts against the second fixing plate 2476, and the first fixing plate 2474 is snapped into the first rotation
  • the limit card slot 24772 of the connecting shaft 2477 so that the first connecting shaft 2477, the second fixing plate 2476, one of the springs 24751, the second locking part 2472, the first locking part 2471 and the first fixing plate 2474 can hold Relative to the fixed positional relationship, the spring 24751 is in a compressed state.
  • the bottom end of the first adapter shaft 2477 can also be fixedly connected between the first fixing plates 2474 by means of welding or bonding.
  • the top end of the second transfer shaft 2478 is provided with a limiting flange 24781 , and the outer diameter of the limiting flange 24781 is larger than the outer diameter of the main body of the second transferring shaft 2478 .
  • the bottom end of the second adapter shaft 2478 is provided with a limit card groove 24782, the limit card groove 24782 shrinks inward relative to the outer surface of the main body part of the second adapter shaft 2478, and the diameter of the groove bottom wall of the limit card groove 24782 is smaller than the first The outer diameter of the main part of the second adapter shaft 2478.
  • the structure of the second adapter shaft 2478 can be the same as that of the first adapter shaft 2477, so as to use the same material, reduce the material types of the shaft assembly 2, and reduce the cost of the shaft assembly 2.
  • the structure of the second transfer shaft 2478 may also be different from that of the first transfer shaft 2477, which is not strictly limited in the present application.
  • the second connecting shaft 2478 is inserted into the second fixing plate 2476 , another spring 24751 , the second locking member 2472 , the first locking member 2471 and the first fixing plate 2474 .
  • the second adapter shaft 2478 passes through another third through hole 24761 of the second fixing plate 2476, the inner space of another spring 24751, another second through hole 24723 of the second locking member 2472, the first card Another first through hole 24713 of the position member 2471 and another engaging slot 24741 of the first fixing plate 2474 .
  • the limiting flange 24781 of the second adapter shaft 2478 is located on the side of the second fixing plate 2476 facing away from the second locking member 2472 and is against the second fixing plate 2476, and the first fixing plate 2474 is snapped into the second rotating shaft.
  • the limit card slot 24782 of the connecting shaft 2478 so that the second connecting shaft 2478, the second fixing plate 2476, another spring 24751, the second locking part 2472, the first locking part 2471 and the first fixing plate 2474 can hold Relative to the fixed positional relationship, the spring 24751 is in a compressed state.
  • the bottom end of the second adapter shaft 2478 can also be fixedly connected between the first fixing plates 2474 by means of welding or bonding.
  • the top end of the third transfer shaft 2479 is provided with a limit flange 24791, and the outer diameter of the limit flange 24791 is larger than the outer diameter of the main body of the third transfer shaft 2479.
  • the bottom end of the third adapter shaft 2479 is provided with a limit card groove 24792, and the limit card groove 24772 shrinks inward relative to the outer surface of the main part of the third adapter shaft 2479, and the diameter of the groove bottom wall of the limit card groove 24792 is smaller than that of the first The outer diameter of the main body portion of the three adapter shafts 2479.
  • the structure of the third connecting shaft 2479 can be the same as that of the first connecting shaft 2477, so as to use the same material, reduce the material types of the rotating shaft assembly 2, and reduce the cost of the rotating shaft assembly 2.
  • the structure of the third transfer shaft 2479 may also be different from that of the first transfer shaft 2477, which is not strictly limited in the present application.
  • the number of the third transfer shaft 2479 is the same as the number of the synchronous gear 2473 , and the third transfer shaft 2479 , the synchronous gear 2473 and the partial springs 24751 in the elastic member 2475 are arranged in one-to-one correspondence.
  • the third connecting shaft 2479 is inserted into the second fixing plate 2476 , another spring 24751 , the second locking member 2472 , the synchronous gear 2473 , the first locking member 2471 and the first fixing plate 2474 .
  • the third adapter shaft 2479 passes through another third through hole 24761 of the second fixing plate 2476, the inner space of another spring 24751, another second through hole 24723 of the second locking member 2472, and the synchronous gear 2473
  • the limiting flange 24791 of the third adapter shaft 2479 is located on the side of the second fixing plate 2476 facing away from the second locking member 2472 and abuts against the second fixing plate 2476, and the first fixing plate 2474 is snapped into the third rotation.
  • the limit card slot 24792 of the connecting shaft 2479 so that the third connecting shaft 2479, the second fixing plate 2476, another spring 24751, the second locking part 2472, the first locking part 2471 and the first fixing plate 2474 can hold Relative to the fixed positional relationship, the spring 24751 is in a compressed state.
  • the bottom end of the third adapter shaft 2479 can also be fixedly connected between the first fixing plates 2474 by means of welding or bonding.
  • FIG. 18 is a partial structural diagram of the bottom connection assembly 24 shown in FIG. 8, and refer to the structure of the first swing arm 245 shown in FIG. The structure of the first damper assembly 247 is shown.
  • the rotating end 2451 of the first swing arm 245 and the rotating end 2461 of the second swing arm 246 are located between the first locking member 2471 and the second locking member 2472 .
  • the first transfer shaft 2477 also passes through the shaft hole 24511 of the rotating end 2451 of the first swing arm 245 to be inserted into the rotating end 2451 of the first swing arm 245
  • the second transfer shaft 2478 also passes through the second swing arm 246
  • the rotating shaft hole 24611 of the rotating end 2461 of the second swing arm 246 is inserted into the rotating end 2461 .
  • the plurality of first protrusions 24513 of the first swing arm 245 and the plurality of first protrusions 24714 of a first protrusion group 24712 are arranged in a staggered manner to form a locking structure, and the plurality of first protrusions 24513 correspond to The plurality of second protrusions of the first swing arm 245 and the plurality of second protrusions 24714 of a second protrusion group 24722 are staggered to form a locking structure.
  • a second protrusion 24514 is correspondingly snapped into a plurality of second locking slots 24715 .
  • the plurality of first protrusions 24613 of the second swing arm 246 and the plurality of first protrusions 24714 of the other first protrusion group 24712 are arranged in a staggered manner to form a locking structure, and the plurality of first protrusions 24613 are correspondingly engaged in multiple In the first locking groove 24715; the plurality of second protrusions 24614 of the second swing arm 246 and the plurality of second protrusions 24724 of another second protrusion group 24722 are arranged in a staggered manner to form a locking structure.
  • the two protrusions 24614 are correspondingly snapped into a plurality of second locking slots 24725 .
  • the shapes and positions of the plurality of first protrusions ( 24513 , 24613 ) of the first swing arm 245 and the second swing arm 246 are adapted to the shapes and positions of the corresponding plurality of first locking slots 24715 .
  • the shapes and positions of the plurality of second protrusions ( 24514 , 24614 ) of the first swing arm 245 and the second swing arm 246 are adapted to the shapes and positions of the corresponding plurality of second locking slots 24725 .
  • the rotating end 2451 of the first swing arm 245 is engaged with the rotating end 2461 of the second swing arm 246 through a plurality of synchronous gears 2473 .
  • a plurality of synchronous gears 2473 can be arranged in a series, and two adjacent synchronous gears 2473 mesh with each other, and the two synchronous gears 2473 at the ends mesh with the rotating end 2451 of the first swing arm 245 and the second swing respectively.
  • the plurality of meshing teeth 24512 of the rotating end 2451 of the first swing arm 245 meshes with the plurality of meshing teeth 24732 of the adjacent synchronous gear 2473, and the plurality of meshing teeth 24612 of the rotating end 2461 of the second swing arm 246 meshes with the adjacent synchronous gear.
  • a plurality of meshing teeth 24732 of the gear 2473 mesh.
  • the rotating end 2451 of the first swing arm 245, the rotating end 2461 of the second swing arm 246, and the synchronous gear 2473 are all engaged with the first locking member 2471 and the second locking member 2472 to form a locking structure. , so that the first swing arm 245 and the second swing arm 246 can stay in certain positions.
  • the elastic member 2475 is in a compressed state, and the elastic force generated by the elastic member 2475 drives the first locking member 2471 to cooperate with the second locking member 2472 to compress the first pendulum.
  • the locking structure between the piece 2471 and the second locking piece 2472 is stable.
  • the rotating end 2451 of the first swing arm 245, the rotating end 2461 of the second swing arm 246 and the synchronous gear 2473 form a first engaging structure with respect to the first locking member 2471 and the second locking member 2472
  • the rotating end 2451 of the first swing arm 245 , the rotating end 2461 of the second swing arm 246 and the synchronous gear 2473 form a second locking structure relative to the first locking member 2471 and the second locking member 2472 .
  • the rotation end 2451 of the first swing arm 245, the synchronous gear 2473, and the rotation end 2461 of the second swing arm 246 are in contact with the first locking member 2471 and the second swing arm 246.
  • the first protrusion (24513, 24613, 24733) needs to break away from one of the first clamping slots 24715 and straddle one of the first clamping slots.
  • One protrusion 24714 is snapped into the other first locking slot 24715, and the second protrusion (24514, 24614, 24734) needs to break away from one of the second locking slots 24725, straddle one second protrusion 24724, and snap into the other A second card slot 24725.
  • the first locking member 2471 is far away from the second locking member 2472, the elastic member 2475 is further compressed, and the elastic force generated by the elastic member 2475 forms a motion damping force, so that the first swing arm 245 and the second locking member 245
  • the relative movement of the two swing arms 246 requires a certain driving force.
  • the first damping assembly 247 can provide motion damping force to the relative motion of the first swing arm 245 and the second swing arm 246 .
  • FIG. 19 is a schematic diagram of the assembled structure of the bottom connection assembly 24 shown in FIG. 8 and the bottom cover body 212 of the main shaft 21 shown in FIG. 7A .
  • 24 and the assembly structure of the main shaft 21 is a schematic cross-sectional structural diagram cut along A1-A1
  • FIG. 20B is a schematic structural diagram when the structure shown in FIG. 20A is in a closed state.
  • the section along A1 - A1 passes through the first fixing frame 241 , the first swing arm 245 , the main shaft 21 , the second swing arm 246 and the second fixing frame 242 .
  • the rotating end 2451 of the first swing arm 245 , the rotating end 2461 of the second swing arm 246 and the first damping component 247 are all installed on the main shaft 21 .
  • the first locking member 2471 and the second locking member 2472 of the first damping assembly 247 are fixed relative to the main shaft 21 .
  • the rotating end 2451 of the first swing arm 245 is rotatably connected to the first locking member 2471 and the second locking member 2472 through the first connecting shaft 2477 , so as to be rotatably connected to the main shaft 21 .
  • the rotating end 2461 of the second swing arm 246 is rotatably connected to the first locking member 2471 and the second locking member 2472 through the second connecting shaft 2478 , so as to be rotatably connected to the main shaft 21 .
  • Each synchronous gear 2473 is rotatably connected to the first locking member 2471 and the second locking member 2472 through the third connecting shaft 2479 , so as to be rotatably connected to the main shaft 21 .
  • the rotation end 2451 of the first swing arm 245 is connected to the rotation end 2461 of the second swing arm 246 through a plurality of synchronous gears 2473, so the rotation angle of the rotation end 2451 of the first swing arm 245 is the same as the rotation angle of the second swing arm 245.
  • the rotation angles of the rotating ends 2461 of the arms 246 are the same in magnitude and opposite in direction, so that the rotations of the first swing arm 245 and the second swing arm 246 relative to the main shaft 21 are kept synchronous, that is, they approach or move away from each other synchronously.
  • the bottom rotating shaft 2483 can pass through the first shaft hole 24523 of the sliding end 2452 of the first swing arm 245 to be inserted into the sliding end 2452 of the first swing arm 245 so as to move with the sliding end 2452 of the first swing arm 245 .
  • the bottom shaft 2484 can pass through the second shaft hole 24623 of the sliding end 2462 of the second swing arm 246 to be inserted into the sliding end 2462 of the second swing arm 246 , so as to move with the sliding end 2462 of the second swing arm 246 .
  • the bottom rotating shaft 2483 may also be connected to the sliding end 2452 of the first swing arm 245 in other ways, which is not limited in this application.
  • FIG. 21A is a schematic cross-sectional view of the assembled structure of the bottom connection assembly 24 and the main shaft 21 shown in FIG. Schematic diagram of the structure in the closed state.
  • the section along A2-A2 passes through the first fixing frame 241 , the first swing arm 245 , the main shaft 21 , the second swing arm 246 and the second fixing frame 242 .
  • the sliding end 2452 of the first swing arm 245 is slidably installed in the first sliding groove 2413 of the first fixing frame 241 to be slidably connected to the first fixing frame 241 .
  • the sliding block 24521 of the sliding end 2452 of the first swing arm 245 is partially located in the guiding space of the first sliding slot 2413 , and the two cooperate to guide the sliding direction of the sliding end 2452 of the first swing arm 245 relative to the first fixing frame 241 .
  • the sliding end 2462 of the second swing arm 246 is slidably installed in the second sliding slot 2423 of the second fixing frame 242 to be slidably connected to the second fixing frame 242 .
  • the sliding block 24621 of the sliding end 2462 of the second swing arm 246 is located in the guiding space of the second sliding groove 2423 , and both cooperate to guide the sliding direction of the sliding end 2462 of the second swing arm 246 relative to the second fixing frame 242 .
  • FIG. 22A is a schematic cross-sectional structure diagram of the assembly structure of the bottom connection assembly 24 and the main shaft 21 shown in FIG. Schematic diagram of the structure in the closed state.
  • the section along A3-A3 passes through the first fixing frame 241 , the first connecting arm 243 , the main shaft 21 , the second connecting arm 244 and the second fixing frame 242 .
  • the first end 2431 of the first connecting arm 243 is rotatably connected to the spindle 21
  • the second end 2432 of the first connecting arm 243 is rotatably connected to the first fixing frame 241
  • the first end 2441 of the second connecting arm 244 is rotatably connected to the spindle 21
  • the second end 2442 of the second connecting arm 244 is rotatably connected to the second fixing frame 242 .
  • the first end 2431 of the first connecting arm 243 is rotatably connected to the main shaft 21 through a virtual shaft connection.
  • the bottom rotating shaft 2481 passes through the rotating shaft hole 24321 of the second end 2432 of the first connecting arm 243 and passes through the first rotating shaft hole 2411 of the first fixing frame 241 (see FIG. 14 ), so as to be inserted into the first connecting arm 243.
  • the second end 2432 is connected to the first fixing frame 241 , so that the second end 2432 of the first connecting arm 243 is rotatably connected to the first fixing frame 241 through a solid shaft connection.
  • the first end 2441 of the second connecting arm 244 is rotatably connected to the main shaft 21 through a virtual shaft connection.
  • the bottom rotating shaft 2482 passes through the rotating shaft hole 24421 of the second end 2442 of the second connecting arm 244 and passes through the second rotating shaft hole 2421 of the second fixing frame 242 (see FIG. 15 ), so as to be inserted into the second connecting arm 244.
  • the second end 2442 and the second fixing frame 242 so that the second end 2442 of the second connecting arm 244 is rotatably connected to the second fixing frame 242 through a solid shaft connection.
  • first end 2431 of the first connecting arm 243 and/or the first end 2441 of the second connecting arm 244 may also be connected to the main shaft 21 through a connection of a solid shaft for rotation, This application does not strictly limit it.
  • the second end 2432 of the first connecting arm 243 can also be rotatably connected to the first fixing frame 241 through a virtual shaft connection; and/or, the second end 2442 of the second connecting arm 244 can also be connected through The connection method of the virtual axis is rotationally connected to the second fixing frame 242 , which is not strictly limited in the present application.
  • the first matching block 2418 of the first fixing frame 241 is located in the matching space 24331 below the connecting section 2433 in the middle of the first connecting arm 243
  • the second matching block 2428 of the second fixing frame 242 is located in the middle of the second connecting arm 244
  • the fitting space 24431 on the lower side of the connecting section 2443. In the open state, there is a gap between the upper surface 24181 of the first fitting block 2418 and the lower surface of the connecting section 2433 of the first connecting arm 243 , and the upper surface 24281 of the second fitting block 2428 and the connecting section of the second connecting arm 244 There is a gap between the lower surfaces of 2443.
  • the upper surface 24181 of the first fitting block 2418 contacts or approaches the lower surface of the connecting section 2433 of the first connecting arm 243
  • the upper surface 24281 of the second fitting block 2428 contacts or approaches the connecting section of the second connecting arm 244 The lower surface of 2443.
  • the first matching block 2418 of the first fixing frame 241 cooperates with the matching space 24331 of the first connecting arm 243 to limit the rotation angle of the first fixing frame 241 relative to the first connecting arm 243
  • the second matching block of the second fixing frame 242 2428 cooperates with the matching space 24431 of the second connecting arm 244 to limit the rotation angle of the second fixing frame 242 relative to the second connecting arm 244, so that in the closed state, the fixing frame (241, 242) and the connecting arm (243, 244 ) with a small gap and a tight fit, so that the structural integrity of the rotating shaft assembly 2 is high.
  • the first connecting arm 243 and the first swing arm 245 have different axes of rotation relative to the main shaft 21 .
  • the axis 24310 of the first connecting arm 243 rotating relative to the main shaft 21 is located above the upper surface of the main shaft 21, and the axis 2450 of the first swing arm 245 rotating relative to the main shaft 21 is located below the upper surface of the main shaft 21, so that the first connection
  • the arm 243 and the first swing arm 245 rotate relative to the main shaft 21 , relative sliding and relative rotation occur between the second end 2432 of the first connecting arm 243 and the sliding end 2452 of the first swing arm 245 .
  • the first fixed frame 241 is rotatably connected to the second end 2432 of the first connecting arm 243, and is slidably connected to the sliding end 2452 of the first swing arm 245. Therefore, the first connecting arm 243 and the first swing arm 245 are opposite to each other.
  • the first fixing frame 241 rotates relative to the second end 2432 of the first connecting arm 243 , and slides relative to the sliding end 2452 of the first swing arm 245 . That is, in the process of relative folding and unfolding of the hinge assembly 2 , the first fixing frame 241 rotates relative to the first connecting arm 243 and slides relative to the first swing arm 245 .
  • the axes of rotation of the second connecting arm 244 and the second swing arm 246 relative to the main shaft 21 are different.
  • the axis 24430 of the second connecting arm 244 rotating relative to the main shaft 21 is located above the upper surface of the main shaft 21, and the axis 2460 of the second swing arm 246 rotating relative to the main shaft 21 is located below the upper surface of the main shaft 21, so that the second connection When the arm 244 and the second swing arm 246 rotate relative to the main shaft 21 , relative sliding and relative rotation occur between the second end 2442 of the second connecting arm 244 and the sliding end 2462 of the second swing arm 246 .
  • the second fixed frame 242 is rotatably connected to the second end 2442 of the second connecting arm 244 and is slidably connected to the sliding end 2462 of the second swing arm 246. Therefore, the second connecting arm 244 and the second swing arm 246 are opposite to each other.
  • the second fixing frame 242 rotates relative to the second end 2442 of the second connecting arm 244 and slides relative to the sliding end 2462 of the second swing arm 246 . That is, in the process of relative folding and unfolding of the hinge assembly 2 , the second fixing frame 242 rotates relative to the second connecting arm 244 and slides relative to the second swing arm 246 .
  • the two ends (2431, 2432) of the first connecting arm 243 of the bottom connecting assembly 24 are respectively rotatably connected to the main shaft 21 and the first fixed frame 241 to form a link structure.
  • the rotating end 2451 of the first swing arm 245 Rotate and connect the main shaft 21 and the sliding end 2452 to slidably connect the first fixed frame 241 to form a link slider structure;
  • the two ends (2441, 2442) of the second connecting arm 244 are respectively rotatably connected to the main shaft 21 and the second fixed frame 242 to form
  • the connecting rod structure is formed, the rotating end 2461 of the second swing arm 246 is rotatably connected to the main shaft 21, and the sliding end 2462 is slidably connected to the second fixed frame 242, forming a connecting rod slider structure.
  • the first fixing bracket 241 is used to connect the first housing 11, and the second fixing bracket 242 is used to connect the second housing 12. Therefore, the bottom connecting component 24 of the rotating shaft assembly 2 realizes the second through the connecting rod structure and the connecting rod slider structure.
  • the connection between the first housing 11 and the second housing 12 and the main shaft 21 has a small number of components, simple matching relationship and matching position, and easy fabrication and assembly of the components, which is conducive to mass production.
  • the main shaft 21 is linked to the first fixed frame 241 through the first connecting arm 243 and the first swing arm 245, and is linked to the second fixed frame 242 through the second connecting arm 244 and the second swing arm 246, the movement of the shaft assembly 2
  • the trajectory is accurate, and the rotating shaft assembly 2 has better mechanical tensile resistance and mechanical extrusion resistance.
  • the rotating end 2451 of the first swing arm 245 turns into the main shaft 21
  • the rotating end 2461 of the second swing arm 246 turns into the main shaft 21
  • the turning end 2461 of the first swing arm 245 turns into the main shaft 21.
  • the sliding end 2452 slides into the first fixing frame 241
  • the sliding end 2462 of the second swing arm 246 slides into the second fixing frame 242
  • the distance between the first fixing frame 241 and the second fixing frame 242 and the spindle 21 is small.
  • the rotating end 2451 of the first swing arm 245 partially rotates out of the main shaft 21
  • the rotating end 2461 of the second swing arm 246 partially rotates out of the main shaft 21, and the first swing arm 245
  • the sliding end 2452 partially slides out of the first fixing frame 241, and the sliding end 2462 of the second swing arm 246 partially slides out of the second fixing frame 242.
  • the distance between the first fixing frame 241, the second fixing frame 242 and the main shaft 21 is relatively large. .
  • the shaft assembly 2 can draw the first casing 11 and the second casing 12 closer together through the first fixing bracket 241 and the second fixing bracket 242 in the open state, so that the first casing 11 and the second casing 12 Close to the main shaft 21; in the closed state, the first housing 11 and the second housing 12 are pushed away by the first fixing bracket 241 and the second fixing bracket 242, so that the first housing 11 and the second housing 12 are away from the main shaft 21, so that the structure of the hinge assembly 2 can better adapt to the deformation structure of the screen 200, so as to reduce the risk of pulling or squeezing the screen 200, and improve the reliability of the screen 200 and the electronic device 1000.
  • FIG. 23A is a schematic structural diagram of the third fixing bracket 251 shown in FIG. 9 at another angle
  • FIG. 23B is a schematic structural diagram of the third fixing bracket 251 shown in FIG. 23A at another angle.
  • the viewing angle shown in FIG. 23B is flipped left and right relative to the viewing angle shown in FIG. 23A .
  • the third fixing bracket 251 has a third shaft hole 2511 , a third slide slot 2512 , a fourth arc slot 2513 and a plurality of fastening holes 2514 .
  • the third fixing frame 251 includes at least one third rotating connection part 2515 , and the third rotating shaft hole 2511 is formed in the third rotating connecting part 2515 .
  • the third fixed frame 251 also includes a limiting groove 2516, which is arranged on both sides of the third rotating connection part 2515, and is used to cooperate with the limiting structure of the mechanism connected to the third rotating connecting part 2515 to limit the connection. The relative position between the mechanism of the third rotating connection part 2515 and the third fixing frame 251 .
  • the third sliding groove 2512 has two opposite sidewalls, and the two opposite sidewalls are recessed to jointly form a guiding space of the third sliding groove 2512 . That is to say, the side wall of the third sliding groove 2512 may have a concave guide space for guiding the sliding direction of the structural components installed in the third sliding groove 2512, so that the relative relationship between the third fixing frame 251 and the corresponding structural components The sliding action is easier to realize and the control precision is higher.
  • the number of the fourth arc-shaped slots 2513 is two, and the two fourth arc-shaped slots 2513 are respectively formed at the bottom end and the top end of the third fixing bracket 251 .
  • one side of the fourth arc-shaped groove 2513 at the bottom of the third fixing frame 251 can extend to the bottom surface of the third fixing frame 251, and one side of the fourth arc-shaped groove 2513 at the top of the third fixing frame 251 can be Extend to the top surface of the third fixing frame 251 .
  • the number of the fourth arc-shaped groove 2513 can also be one, and it is formed at the bottom end or the top end of the third fixing bracket 251 .
  • the plurality of fastening holes 2514 are used to allow fasteners to pass through and be fixedly connected to the first housing 11 through the fasteners (see FIG. 3 ).
  • a plurality of fastening holes 2514 are distributed on the bottom, middle and top of the third fixing frame 251 .
  • FIG. 24A is a schematic structural view of the fourth fixing frame 252 shown in FIG. 9 at another angle
  • FIG. 24B is a structural schematic view of the fourth fixing frame 252 shown in FIG. 24A at another angle.
  • the viewing angle shown in FIG. 24B is flipped left and right relative to the viewing angle shown in FIG. 24A .
  • the fourth fixing frame 252 has a fourth shaft hole 2521 , a fourth slide slot 2522 , a fifth arc slot 2523 and a plurality of fastening holes 2524 .
  • the fourth fixing frame 252 includes at least one fourth rotating connection part 2525 , and the fourth rotating shaft hole 2521 is formed in the fourth rotating connecting part 2525 .
  • the fourth fixed frame 252 also includes a limiting groove 2516, which is arranged on both sides of the fourth rotating connection part 2525, and is used to cooperate with the limiting structure of the mechanism connected to the fourth rotating connecting part 2525 to limit the connection. The relative position between the mechanism of the fourth rotating connection part 2525 and the fourth fixing frame 252 .
  • the fourth sliding groove 2522 has two opposite side walls, and the two opposite side walls are recessed to jointly form a guiding space of the fourth sliding groove 2522 . That is, the side wall of the fourth sliding groove 2522 may have a concave guide space for guiding the sliding direction of the structural components installed in the fourth sliding groove 2522, so that the relative relationship between the fourth fixing frame 252 and the corresponding structural components The sliding action is easier to realize and the control precision is higher.
  • the two fifth arc-shaped slots 2523 are respectively formed at the bottom end and the top end of the fourth fixing frame 252 .
  • one side of the fifth arc-shaped groove 2523 at the bottom of the fourth fixing frame 252 can extend to the bottom surface of the fourth fixing frame 252, and one side of the fifth arc-shaped groove 2523 at the top of the fourth fixing frame 252 can be Extend to the top surface of the fourth fixing frame 252 .
  • the number of the fifth arc-shaped groove 2523 can also be one, and it is formed at the bottom end or the top end of the fourth fixing frame 252 .
  • the plurality of fastening holes 2524 are used to allow fasteners to pass through and be fixedly connected to the second housing 12 through the fasteners (see FIG. 3 ).
  • a plurality of fastening holes 2524 are distributed on the bottom, middle and top of the fourth fixing frame 252 .
  • FIG. 25 is a structural diagram of the third connecting arm 253 shown in FIG. 9 at another angle.
  • the third connecting arm 253 includes a first end 2531 and a second end 2532, and both the first end 2531 and the second end 2532 are rotating ends.
  • the first end 2531 of the third connecting arm 253 is an arc-shaped arm; the second end 2532 of the third connecting arm 253 is provided with a shaft hole 25321 .
  • the third connecting arm 253 further includes a connecting section 2533 connected between the first end 2531 and the second end 2532 .
  • the arrangement of the connecting section 2533 makes the structural design of the third connecting arm 253 more flexible, and can better meet the connection requirements and shape requirements of the middle connection assembly 25 and the rotating shaft assembly 2 .
  • the third connecting arm 253 may further include two limiting blocks 25331 , and the two limiting blocks 25331 are respectively located on two sides of the connecting section 2533 for cooperating with the limiting groove 2516 of the third fixing bracket 251 .
  • the number of the limiting block 25331 can also be one, and it is located on one side of the connecting section 2533, which is not limited in this application.
  • the third connecting arm 253 may be an integrally formed structural member to have higher structural strength.
  • the third connecting arm 253 can be formed by computer numerical control milling process.
  • the third connecting arm 253 may also be formed by a metal injection molding process, which is not strictly limited in this embodiment of the present application.
  • FIG. 26 is a structural diagram of the fourth connecting arm 254 shown in FIG. 9 at another angle.
  • the fourth connecting arm 254 includes a first end 2541 and a second end 2542, and both the first end 2541 and the second end 2542 are rotating ends.
  • the first end 2541 of the fourth connecting arm 254 is an arc-shaped arm; the second end 2542 of the fourth connecting arm 254 is provided with a shaft hole 25421 .
  • the fourth connecting arm 254 further includes a connecting section 2543 connected between the first end 2541 and the second end 2542 .
  • the arrangement of the connecting section 2543 makes the structural design of the fourth connecting arm 254 more flexible, and can better meet the connection requirements and shape requirements of the middle connecting assembly 25 and the rotating shaft assembly 2 .
  • the fourth connecting arm 254 may further include two limiting blocks 25431 , and the two limiting blocks 25431 are respectively located on two sides of the connecting section 2543 for cooperating with the limiting groove 2526 of the fourth fixing bracket 252 .
  • the number of the limiting block 25431 can also be one, and it is located on one side of the connecting section 2543, which is not limited in this application.
  • the fourth connecting arm 254 may be an integrally formed structural member to have higher structural strength.
  • the fourth connecting arm 254 can be formed by computer numerical control milling process.
  • the fourth connecting arm 254 may also be formed by metal injection molding process, which is not strictly limited in this embodiment of the present application.
  • FIG. 27 is a schematic diagram of the assembled structure of the middle connecting assembly 25 shown in FIG. 8 and the middle cover 213 of the main shaft 21 shown in FIG. 7A .
  • the first end 2531 of the third connecting arm 253 is rotatably connected to the main shaft 21 through a virtual shaft connection; the middle rotating shaft 2583 can be inserted into the second end 2532 of the third connecting arm 253 and the third fixing frame 251, The second end 2532 of the third connecting arm 253 is rotatably connected to the third fixing frame 251 .
  • the limiting block 25331 of the third connecting arm 253 cooperates with the limiting groove 2516 of the third fixing frame 251 to limit the relative position between the third connecting arm 253 and the third fixing frame 251 .
  • the first end 2541 of the fourth connecting arm 254 is rotatably connected to the main shaft 21 through the connection mode of the virtual axis; the middle rotating shaft 2584 can be plugged into the second end 2542 of the fourth connecting arm 254 and the fourth fixed frame 252, so that the fourth connection
  • the second end 2542 of the arm 254 is rotatably connected to the fourth fixing frame 252 .
  • the limiting block 25431 of the fourth connecting arm 254 cooperates with the limiting slot 2526 of the fourth fixing frame 252 to limit the relative position between the fourth connecting arm 254 and the fourth fixing frame 252 .
  • the third swing arm 255 includes a rotating end 2551 and a sliding end 2552
  • the fourth swing arm 256 includes a rotating end 2561 and a sliding end 2562 .
  • the rotating end 2551 of the third swing arm 255, the second damping assembly 257 and the rotating end 2561 of the fourth swing arm 256 are mounted on the main shaft 21; the rotating end 2551 of the third swing arm 255 and the rotating end 2561 of the fourth swing arm 256 are The main shaft 21 is rotatably connected through the connection of a solid shaft; the second damping assembly 267 connects the rotating end 2551 of the third swinging arm 255 and the rotating end 2561 of the fourth swinging arm 256 for 256 provides motion damping force during motion.
  • the sliding end 2552 of the third swinging arm 255 is slidably connected to the third fixed frame 251, and the middle rotating shaft 2581 can be inserted into the sliding end 2552 of the third swinging arm 255 to move with the sliding end 2552 of the third swinging arm 255;
  • the sliding end 2562 of 256 is slidably connected to the fourth fixing frame 252 , and the middle rotating shaft 2582 can be inserted into the sliding end 2562 of the fourth swing arm 256 to move with the sliding end 2562 of the fourth swing arm 256 .
  • the structure design of the third fixing frame 251 can refer to the structure design of the first fixing frame 241 .
  • the structure for connecting the third connecting arm 253 and the third swing arm 255 of the third fixing frame 251 may be the same as that of the first fixing frame 241, and the relative position of the structures at these two places may be the same as that of the first fixing frame 241 or Different; the arc groove of the third fixing bracket 251 can be designed with reference to the first fixing bracket 241 .
  • the structure design of the fourth fixing frame 252 can refer to the structure design of the second fixing frame 242 .
  • the structure of the third swing arm 255 and the structure of the fourth swing arm 256 can be the same as that of the first swing arm 245, so as to use the same material, save the material type of the rotating shaft assembly 2, and reduce the cost.
  • the structure of the third swing arm 255 and the structure of the fourth swing arm 256 may be different from the structure of the first swing arm 245 , which is not limited in this application.
  • the structure of the second damping assembly 257 can be the same as that of the first damping assembly 247, and the structure of a plurality of middle shafts (2581, 2582, 2583, 2584) can be the same as that of a plurality of bottom shafts (2481, 2482, 2483, 2484). Same, in order to save the material type of the rotating shaft assembly 2 and reduce the cost.
  • the arrangement positions of the third connecting arm 253 , the fourth connecting arm 254 , the third swinging arm 255 , the fourth swinging arm 256 and the second damping assembly 257 are similar to those of the first connecting arm 243 and the second connecting arm 244 , the arrangement positions of the first swing arm 245 , the second swing arm 246 and the first damping assembly 247 present a symmetrical relationship.
  • the above two arrangement positions may also be the same, or exhibit other arrangement relationships, which is not strictly limited in the present application.
  • the two ends (2531, 2532) of the third connecting arm 253 of the middle connecting assembly 25 are respectively rotatably connected to the main shaft 21 and the third fixed frame 251 to form a link structure.
  • the rotating end 2551 of the third swing arm 255 Rotate and connect the main shaft 21 and the sliding end 2552 to slidably connect the third fixed frame 251 to form a link slider structure;
  • the two ends (2541, 2542) of the fourth connecting arm 254 are respectively rotated and connected to the main shaft 21 and the fourth fixed frame 252 to form A link structure is formed, the rotating end 2561 of the fourth swing arm 256 is rotatably connected to the main shaft 21, and the sliding end 2562 is slidably connected to the fourth fixed frame 252, forming a link slider structure.
  • the action of the third fixed mount 251 can be synchronized with that of the first fixed mount 241, and the action of the fourth fixed mount 252 can be synchronized with that of the second fixed mount 242, so that the third fixed mount can be connected simultaneously.
  • 251 and the first housing 11 of the first fixed frame 241 are stable in motion, and at the same time the motion of the second housing 12 connected to the fourth fixed frame 252 and the second fixed frame 242 is stable, and the housing device 100 of the electronic device 1000 high reliability.
  • the component structure of the middle connecting assembly 25 and the connection structure between the middle connecting assembly 25 and the main shaft 21 can also be implemented in other manners, which can satisfy "the action of the third fixing frame 251 and the first The action of the fixed frame 241 is kept synchronous, and the action of the fourth fixed frame 252 is kept synchronized with the action of the second fixed frame 242".
  • top connection assembly 26 The structure of each component of the top connection assembly 26 and the connection structure between the top connection assembly 26 and the main shaft 21 will be described below with reference to the accompanying drawings. It can be understood that the top connection assembly 26 of the present application can be designed with reference to the bottom connection assembly 24, so a brief description will be given below, and most of the same content will not be repeated.
  • FIG. 28 is a schematic view of the assembly structure of the top connection assembly 26 shown in FIG. 8 and the top cover 214 of the main shaft 21 shown in FIG. 7A .
  • the fifth connecting arm 263 includes a first end 2631 and a second end 2632; the first end 2631 of the fifth connecting arm 263 can be an arc-shaped arm, and is connected to the main shaft 21 in rotation through a virtual axis; the top
  • the rotating shaft 2683 can be inserted into the second end 2632 of the fifth connecting arm 263 and the fifth fixing frame 261 , so that the second end 2632 of the fifth connecting arm 263 is rotatably connected to the fifth fixing frame 261 .
  • the sixth connecting arm 264 includes a first end 2641 and a second end 2642; the first end 2641 of the sixth connecting arm 264 can be an arc-shaped arm, and is rotatably connected to the main shaft 21 through a virtual shaft connection; the top rotating shaft 2684 can be inserted
  • the second end 2642 of the sixth connecting arm 264 is connected to the sixth fixing frame 262 so that the second end 2642 of the sixth connecting arm 264 is rotatably connected to the sixth fixing frame 262 .
  • the fifth swing arm 265 includes a rotating end 2651 and a sliding end 2652
  • the sixth swing arm 266 includes a rotating end 2661 and a sliding end 2662 .
  • the rotating end 2651 of the fifth swing arm 265, the third damping assembly 267 and the rotating end 2661 of the sixth swing arm 266 are mounted on the main shaft 21; the rotating end 2651 of the fifth swing arm 265 and the rotating end 2661 of the sixth swing arm 266 are The main shaft 21 is rotatably connected through the connection of a solid shaft; the third damping assembly 267 connects the rotating end 2651 of the fifth swing arm 265 and the rotating end 2661 of the sixth swing arm 266, and is used for connecting the fifth swing arm 265 and the sixth swing arm 266 provides motion damping force during motion.
  • the sliding end 2652 of the fifth swinging arm 265 is slidably connected to the fifth fixed frame 261, and the top rotating shaft 2683 can be inserted into the sliding end 2652 of the fifth swinging arm 265 to move with the sliding end 2652 of the fifth swinging arm 265;
  • the sliding end 2662 of 266 is slidably connected to the sixth fixing frame 262 , and the top rotating shaft 2684 can be inserted into the sliding end 2662 of the sixth swing arm 266 to move with the sliding end 2662 of the sixth swing arm 266 .
  • the structure design of the fifth fixing frame 261 can refer to the structure design of the first fixing frame 241 .
  • the structure of the fifth fixed frame 261 for connecting the fifth connecting arm 263 and the fifth swing arm 265 may be the same as that of the first fixed frame 241, and the relative position of the structures at these two places may be the same as that of the first fixed frame 241 or Different; the two arc-shaped grooves of the fifth fixed frame 261 can be designed with reference to the first fixed frame 241;
  • the first fixing frames 241 are the same or different.
  • the structure of the sixth fixing frame 262 can refer to the structural design of the second fixing frame 242 , and the sixth fixing frame 262 includes a fourth locking block 2627 for snapping into the second housing 12 .
  • the structure of the fifth connecting arm 263 and the structure of the sixth connecting arm 264 can be the same as that of the first connecting arm 243, so as to use the same material, save the material type of the rotating shaft assembly 2, and reduce the cost.
  • the structure of the fifth swing arm 265 and the structure of the sixth swing arm 266 can be the same as that of the first swing arm 245, so as to use the same material, save the material type of the rotating shaft assembly 2, and reduce the cost.
  • the structure of the third damping assembly 267 can be the same as that of the first damping assembly 247, and the structure of a plurality of top shafts (2681, 2682, 2683, 2684) can be the same as that of a plurality of bottom shafts (2481, 2482, 2483, 2484). Same, in order to save the material type of the rotating shaft assembly 2 and reduce the cost.
  • the arrangement positions of the fifth connecting arm 263 , the sixth connecting arm 264 , the fifth swing arm 265 , the sixth swing arm 266 and the third damping assembly 267 are similar to those of the first connecting arm 243 and the second connecting arm 244 , the arrangement positions of the first swing arm 245 , the second swing arm 246 and the first damping assembly 247 present a symmetrical relationship.
  • the above two arrangement positions may also be the same, or exhibit other arrangement relationships, which is not strictly limited in the present application.
  • the two ends (2631, 2632) of the fifth connecting arm 263 of the top connecting assembly 26 are respectively rotatably connected to the main shaft 21 and the fifth fixed frame 261 to form a link structure.
  • the rotating end 2651 of the fifth swing arm 265 Rotate and connect the main shaft 21 and the sliding end 2652 to slidably connect the fifth fixed mount 261 to form a link slider structure; the two ends (2641, 2642) of the sixth connecting arm 264 are respectively rotated to connect the main shaft 21 and the sixth fixed mount 262 to form The connecting rod structure is formed.
  • the rotating end 2661 of the sixth swing arm 266 is rotatably connected to the main shaft 21, and the sliding end 2662 is slidably connected to the sixth fixing frame 262, forming a connecting rod slider structure.
  • the action of the fifth fixed mount 261 can be synchronized with that of the first fixed mount 241, and the action of the sixth fixed mount 262 can be synchronized with that of the second fixed mount 242, so that the fifth fixed mount can be connected simultaneously.
  • 261 and the first housing 11 of the first fixing frame 241 are stable in movement, and at the same time, the movement of the second housing 12 connecting the sixth fixing bracket 262 and the second fixing bracket 242 is stable, and the housing device 100 of the electronic device 1000 high reliability.
  • the component structure of the top connection assembly 26 and the connection structure between the top connection assembly 26 and the main shaft 21 can also be implemented in other manners, which can satisfy "the action of the fifth fixing frame 261 and the first The action of the fixing frame 241 is kept synchronous, and the action of the sixth fixing frame 262 is kept synchronous with the action of the second fixing frame 242”.
  • the above mainly introduces the main motion mechanism of the rotating shaft assembly 2.
  • the rotating shaft assembly 2 includes a first support member 22 and a second support member 23, and connects the support members (22, 23) through a plurality of connecting members (27, 28, 29, 30). ) and the main kinematic mechanism, so that the support members (22, 23) move relatively with the movement of the main kinematic mechanism.
  • the first support member 22 is connected to the bottom connection assembly 24 through the first connection member 27
  • the second support member 23 is connected to the bottom connection assembly 24 through the second connection member 28 .
  • the first connecting arm 243 may be provided with a first arc-shaped arm 2434 .
  • One side of the first arc-shaped arm 2434 is connected to the connecting section 2433 in the middle of the first connecting arm 243 , and the other side is suspended.
  • the first arc-shaped arm 2434 is used to cooperate with the structure of the first connecting member 27 , so that the first connecting arm 243 is rotatably connected to the first connecting member 27 and connected to the first supporting member 22 through the first connecting member 27 .
  • the number of the first connecting pieces 27 may be two, and the two first connecting pieces 27 are arranged opposite to each other.
  • the number of the first arc-shaped arms 2434 may be two, and the two first arc-shaped arms (2434, 2435) are respectively located on two sides of the connecting section 2433 and oppositely arranged.
  • the two first arc arms (2434, 2435) can correspond to the two first connecting pieces 27 respectively, and the first connecting arm 243 can be connected to the first supporting piece 22 through the two first connecting pieces 27 to increase the connection with the first supporting piece. 22 connection strength.
  • the second connecting arm 244 may be provided with a second arc-shaped arm 2444 .
  • One side of the second arc-shaped arm 2444 is connected to the connecting section 2443 in the middle of the second connecting arm 244 , and the other side is suspended.
  • the second arc-shaped arm 2444 is used to cooperate with the structure of the second connecting member 28 , so that the second connecting arm 244 is rotatably connected to the second connecting member 28 and connected to the second supporting member 23 through the second connecting member 28 .
  • the number of the second arc-shaped arms 2444 may be two, and the two second arc-shaped arms (2444, 2445) are respectively located on two sides of the connecting section 2443 and oppositely arranged.
  • the two second arc arms (2444, 2445) can respectively correspond to the two second connecting pieces 28, and the second connecting arm 244 can be connected to the second supporting piece 23 through the two second connecting pieces 28 to increase the connection with the second supporting piece. 23 connection strength.
  • FIG. 29A is a schematic structural view of the first connecting member 27 shown in FIG. 6
  • FIG. 29B is a schematic structural view of the first connecting member 27 shown in FIG. 29A at another angle.
  • FIG. 29B The viewing angle shown is rotated 180° counterclockwise relative to the viewing angle shown in FIG. 29A.
  • both ends of the first connecting member 27 are respectively provided with a first arc-shaped groove 271 and a second arc-shaped groove 272 .
  • One side of the first arc-shaped groove 271 may extend to the end surface of the first connecting member 27 , and both ends of the first arc-shaped groove 271 may be located on the lower surface of the first connecting member 27 .
  • the first arc-shaped groove 271 is used to cooperate with the structure of the first connecting arm 243 , so that the first connecting member 27 is connected to the first connecting arm 243 in rotation.
  • One side of the second arc-shaped groove 272 may extend to the end surface of the first connecting member 27 , and one end opening of the second arc-shaped groove 272 may be located on the upper surface of the first connecting member 27 .
  • the second arc-shaped groove 272 is used to cooperate with the structure of the first support member 22 , so that the first connecting member 27 is connected to the first support member 22 in rotation.
  • the relative rotation center of the first connecting member 27 and the first connecting arm 243 is the first rotating center 273
  • the relative rotating center of the first connecting member 27 and the first supporting member 22 is the second rotating center 274
  • the centerline of the first arc-shaped groove 271 and the centerline of the second arc-shaped groove 272 are parallel and spaced apart, and the centerline of the first arc-shaped groove 271 and the centerline of the second arc-shaped groove 272 may not be at the same
  • the first rotation center 273 and the second rotation center 274 are staggered, and the first connecting arm 243 and the first support member 22 can rotate and move relative to each other.
  • the centerline of the first arc-shaped groove 271 coincides with the first rotation center 273 of the first connecting member 27, and the centerline of the second arc-shaped groove 272 coincides with the second rotation center 274 of the first connecting member 27.
  • the first connecting member 27 may also have a first limiting surface 275 and a second limiting surface 276 . There may be an included angle between the first limiting surface 275 and the second limiting surface 276 . During the movement of the first connecting member 27 relative to the first supporting member 22, the first limiting surface 275 and the second limiting surface 276 cooperate with the lower surface of the first supporting member 22 to limit the movement of the first connecting member 27 track.
  • the first connecting member 27 may also be provided with an avoidance notch 277, which extends to the upper surface of the first connecting member 27, and is used to avoid a mechanism that moves relative to the first connecting arm 243, for example: the first support The component 22 and the first fixing frame 241 avoid interference with the movement of the mechanism, so that the movement of the shaft assembly 2 is smooth and stable.
  • first connecting member 27 mainly serves to provide a rotational connection structure between the first connecting arm 243 and the first supporting member 22 , and the first connecting member 27 may also have other implementation structures, which are not strictly limited in this application.
  • FIG. 30A is a schematic structural view of the second connector 28 shown in FIG. 6
  • FIG. 30B is a schematic structural diagram of the second connector 28 shown in FIG. 30A at another angle. The viewing angle shown is rotated 180° counterclockwise relative to the viewing angle shown in FIG. 30A.
  • a first arc-shaped groove 281 and a second arc-shaped groove 282 are respectively provided at two ends of the second connecting member 28 .
  • One side of the first arc-shaped groove 281 may extend to the end surface of the second connecting member 28 , and both ends of the first arc-shaped groove 281 may be located on the lower surface of the second connecting member 28 .
  • the first arc-shaped slot 281 is used to cooperate with the structure of the second connecting arm 244 so that the second connecting member 28 is connected to the second connecting arm 244 in rotation.
  • One side of the second arc-shaped groove 282 may extend to the end surface of the second connecting member 28 , and one end of the second arc-shaped groove 282 may be located on the upper surface of the second connecting member 28 .
  • the second arc-shaped groove 282 is used to cooperate with the structure of the second support member 23 , so that the second connecting member 28 and the second support member 23 are rotatably connected.
  • the relative rotation center of the second connecting member 28 and the second connecting arm 244 is the first rotating center 283
  • the relative rotating center of the second connecting member 28 and the second supporting member 23 is the second rotating center 284 .
  • the first rotation center 283 and the second rotation center 284 are staggered, so that the second connecting arm 244 and the second support member 23 can rotate and move relative to each other.
  • the second connecting member 28 may also have a first limiting surface 245 and a second limiting surface 246 . There may be an included angle between the first limiting surface 245 and the second limiting surface 246 . During the movement of the second connecting member 28 relative to the second supporting member 23, the first limiting surface 245 and the second limiting surface 246 cooperate with the lower surface of the second supporting member 23 to limit the movement of the second connecting member 28 track.
  • the second connecting member 28 can also be provided with an avoidance notch 247, which extends to the upper surface of the second connecting member 28, and is used to avoid a mechanism that moves relative to the second connecting arm 244, such as: the second support The member 23 and the second fixing frame 242 avoid interference with the movement of the mechanism, so that the movement of the shaft assembly 2 is smooth and stable.
  • an avoidance notch 247 which extends to the upper surface of the second connecting member 28, and is used to avoid a mechanism that moves relative to the second connecting arm 244, such as: the second support The member 23 and the second fixing frame 242 avoid interference with the movement of the mechanism, so that the movement of the shaft assembly 2 is smooth and stable.
  • the second connecting member 28 mainly serves to provide a rotational connection structure between the second connecting arm 244 and the second supporting member 23 , and the second connecting member 28 may also have other implementation structures, which are not strictly limited in this application.
  • the shape of the first connecting part 27 and the shape of the second connecting part 28 can be the same, so as to use the same material, saving the material type of the rotating shaft assembly 2 and reducing the cost of the rotating shaft assembly 2 .
  • the shape of the first connecting arm 243 may be different from that of the second connecting member 28 , which is not strictly limited in this embodiment of the present application.
  • FIG. 31 is a structural schematic diagram of the first supporting member 22 shown in FIG. 6 at another angle.
  • the first support member 22 includes a first support plate 221 , bottom connection structures ( 222 , 223 , 224 ), middle connection structures ( 225 , 226 ), and top connection structures ( 227 , 228 , 229 ).
  • the bottom connection structure (222, 223, 224) is fixed on the bottom of the first support plate 221
  • the middle connection structure (225, 226) is fixed on the middle part of the first support plate 221
  • the top connection structure (227, 228, 229) is fixed on the the top of the first support plate 221 .
  • the first support plate 221 may be made of a material with low density and certain rigidity, such as carbon fiber material.
  • the structural parts in the bottom connection structure (222, 223, 224), the middle connection structure (225, 226) and the top connection structure (227, 228, 229) can adopt the metal injection molding process, and the integral molding structure has a higher structural strength.
  • the bottom connecting structure ( 222 , 223 , 224 ) may include a first rotating block 222 , a second rotating block 223 and a first guiding arm 224 .
  • the first rotating block 222 may include a baffle 2221 and a second arc-shaped arm 2222, one side of the second arc-shaped arm 2222 is connected to the baffle 2221, and the other side is suspended.
  • the baffle 2222 is used to support the second arc-shaped arm 2222 to increase the structural strength of the first rotating block 222 .
  • One end of the second arc-shaped arm 2222 is connected to the first support plate 221, and the other end is suspended.
  • the first supporting member 22 may further include a notch 2223 .
  • the notch 2223 is located on the side of the second arc-shaped arm 2222 facing away from the baffle plate 2221, and is used to avoid the first connecting piece 27 and avoid hindering the rotation of the first connecting piece 27 relative to the first supporting piece 22, so that the first connecting piece 27 Movement is smooth and steady.
  • the second rotating block 223 may include a baffle 2231 and a third arc-shaped arm 2232, one side of the third arc-shaped arm 2232 is connected to the baffle 2231, and the other side is suspended.
  • the baffle 2231 is used to support the third arc-shaped arm 2232 to increase the structural strength of the second rotating block 223 .
  • the fixed end 2241 of the first guiding arm 224 is fixed to the first support plate 221 , and the rotating end is suspended.
  • the end surface of the fixed end 2241 of the first guiding arm 224 is a curved surface.
  • the lower surface of the first support plate 221 is provided with a mounting groove 2242, and the fixed end 2241 of the first guide arm 224 can be installed in the mounting groove 2242, so as to reuse the thickness of the first support plate 221 and reduce the occupation of the first guide arm 224. space, so that the structure of the shaft assembly 2 is compact.
  • the groove wall of the mounting groove 2242 is a curved surface to fit the end surface of the fixed end 2241 of the first guiding arm 224 to increase the connection strength between the first guiding arm 224 and the first support plate 221 .
  • the first guiding arm 224 is provided with a first guiding sliding groove 2243 .
  • the first guide chute 2243 can form a closed structure, so that the structural parts installed on the first guide chute 2243 can slide back and forth along the extension direction of the first guide chute 2243 in the limited activity space, so as to limit position, thereby preventing the structural member from accidentally breaking away from the first guide chute 2243.
  • the extension direction of the first guide chute 2243 may be arc-shaped.
  • the extension direction of the first guide chute 2243 can also be designed as a combination of one or more of curves, straight lines, and broken lines.
  • first rotating block 222 and the second rotating block 223 are mainly to provide a rotating connection structure, and the first rotating block 222 and the second rotating block 223 may also have other realization structures, and the structures of the two may be the same or different.
  • the first guide arm 224 is mainly to provide a guide chute to guide the movement direction of other structural parts.
  • the present application may not be provided with the first guide arm 224, or other structures may be used to guide the movement direction of the structural parts. Applications are not strictly limited to this.
  • the middle connecting structure (225, 226) can be designed with reference to the bottom connecting structure (222, 223, 224), and the middle connecting structure (225, 226) can include a third rotating block 225 for providing a rotating connecting structure.
  • a guide arm 226 may be included for providing a guide chute.
  • the structure of the third rotating block 225 can be designed with reference to the structure of the second rotating block 223; the structure of the guide arm 226 can be designed with reference to the structure of the first guide arm 224, which will not be repeated here.
  • the top connection structure (227, 228, 229) can be designed with reference to the bottom connection structure (222, 223, 224), and the top connection structure (227, 228, 229) can include two first
  • the fourth rotating block 227 and the fifth rotating block 228 may also include a guiding arm 229 for providing a guiding slide.
  • the structure of the fourth rotating block 227 can refer to the structural design of the first rotating block 222
  • the structure of the fifth rotating block 228 can refer to the structural design of the second rotating block 223, and the structures of the two rotating blocks (227, 228) can be the same or Different, reference can be made to other rotating block structure designs
  • the structure of the guide arm 229 can be designed with reference to the structure of the first guide arm 224, and will not be repeated here.
  • FIG. 32 is a structural schematic view of the second supporting member 23 shown in FIG. 6 at another angle.
  • the second support member 23 includes a second support plate 231 , bottom connection structures ( 232 , 233 , 234 ), middle connection structures ( 235 , 236 ) and top connection structures ( 237 , 238 , 239 ).
  • the bottom connection structure (232, 233, 234) is fixed on the bottom of the second support plate 231
  • the middle connection structure (235, 236) is fixed on the middle part of the second support plate 231
  • the top connection structure (237, 238, 239) is fixed on the the top of the second support plate 231 .
  • the second support plate 231 may be made of a material with low density and certain rigidity, such as carbon fiber material.
  • the structural parts in the bottom connection structure (232, 233, 234), the middle connection structure (235, 236) and the top connection structure (237, 238, 239) can adopt the metal injection molding process, and the integral molding structure has a higher structural strength.
  • the bottom connecting structure ( 232 , 233 , 234 ) may include a first rotating block 232 , a second rotating block 233 and a guide arm 234 .
  • the first rotating block 232 may include a baffle 2321 and a second arc-shaped arm 2322, one side of the second arc-shaped arm 2322 is connected to the baffle 2321, and the other side is suspended.
  • the baffle 2322 is used to support the second arc-shaped arm 2322 to increase the structural strength of the first rotating block 232 .
  • the first end 23221 of the second arc arm 2322 is connected to the second support plate 231, and the second end 23222 is suspended.
  • the second supporting member 23 may further include a notch 2323 .
  • the notch 2323 is located on the side of the second arc-shaped arm 2322 facing away from the baffle plate 2321, and is used to avoid the second connecting piece 28 and avoid hindering the rotation of the second connecting piece 28 relative to the second supporting piece 23, so that the first connecting piece 27 Movement is smooth and steady.
  • the second rotating block 233 may include a baffle 2331 and a third arc-shaped arm 2332, one side of the third arc-shaped arm 2332 is connected to the baffle 2331, and the other side is suspended.
  • the baffle 2331 is used to support the third arc-shaped arm 2332 to increase the structural strength of the second rotating block 233 .
  • the fixed end 2341 of the guide arm 234 is fixed to the second support plate 231 , and the rotating end is suspended.
  • the end surface of the fixed end 2341 of the guide arm 234 is a curved surface.
  • the lower surface of the second support plate 231 is provided with an installation groove 2342, and the fixed end 2341 of the guide arm 234 can be installed in the installation groove 2342, so as to reuse the thickness of the second support plate 231, reduce the space occupied by the guide arm 234, and make the rotating shaft Assembly 2 has a compact structure.
  • the groove wall of the installation groove 2342 is a curved surface to fit the end surface of the fixed end 2341 of the guide arm 234 to increase the connection strength between the guide arm 234 and the second support plate 231 .
  • the guide arm 234 is provided with a guide sliding groove 2343 .
  • the guide chute 2343 can form a closed structure, so that the structural parts installed on the guide chute 2343 can slide back and forth along the extension direction of the guide chute 2343 in the limited activity space, and play a position-limiting role, thereby preventing the structural Parts accidentally break away from the guide chute 2343.
  • the extending direction of the guide chute 2343 may be arc-shaped.
  • the extending direction of the guide chute 2343 can also be designed as a combination of one or more of curves, straight lines, and broken lines.
  • first rotating block 232 and the second rotating block 233 are mainly to provide a rotating connection structure, and the first rotating block 232 and the second rotating block 233 may also have other realization structures, and the structures of the two may be the same or different. This is not strictly limited.
  • the guide arm 234 mainly serves to provide a guide chute to guide the movement direction of other structural components.
  • the application may also use other structures to guide the movement direction of the structural components, which is not strictly limited in the application.
  • the middle connecting structure (235, 236) can be designed with reference to the bottom connecting structure (232, 233, 234), and the middle connecting structure (235, 236) can include a third rotating block 235 for providing a rotating connecting structure, and A guide arm 236 may be included for providing a guide chute.
  • the structure of the third rotating block 235 can be designed with reference to the structure of the second rotating block 233; the structure of the guide arm 236 can be designed with reference to the structure of the guide arm 234, and will not be repeated here.
  • the top connection structure (237, 238, 239) can be designed with reference to the bottom connection structure (232, 233, 234), and the top connection structure (237, 238, 239) can include two first
  • the fourth rotating block 237 and the fifth rotating block 238 may also include a guiding arm 239 for providing a guiding slide.
  • the structure of the fourth rotating block 237 can refer to the structural design of the first rotating block 232
  • the structure of the fifth rotating block 238 can refer to the structural design of the second rotating block 233
  • the structures of the two rotating blocks (237, 238) can be the same or Different, reference can be made to the design of other rotating block structures;
  • the structure of the guide arm 230 can be designed with reference to the structure of the guide arm 234, and will not be repeated here.
  • FIG. 33 is a structural schematic view of the bottom structure of the shaft assembly 2 shown in FIG. 4 at another angle.
  • the viewing angle of FIG. 33 is reversed left and right relative to the viewing angle of FIG. 4 .
  • FIG. 33 shows the assembly structure of the first supporting member 22 , the first connecting member 27 , the bottom connecting component 24 , the bottom structure of the main shaft 21 , the second connecting member 28 and the second supporting member 23 .
  • the two ends of the first connecting member 27 are respectively connected to the first supporting member 22 and the first connecting arm 243 in rotation, and the two ends of the second connecting member 28 are respectively connected to the second supporting member 23 and the second connecting arm 244. Turn to connect.
  • the quantity of the first connecting piece 27 can be two, to increase the connection strength of the first support piece 22 and the first connecting arm 243
  • the quantity of the second connecting piece 28 can also be two, to increase the second support piece 23 and the connection strength of the second connecting arm 244.
  • the third arc-shaped arm 2232 of the first support member 22 is installed in the third arc-shaped groove 2414 of the first fixing bracket 241, so that the first support member 22 is connected to the first fixing bracket 22 in rotation through a virtual axis connection.
  • the third arc-shaped arm 2332 of the second support member 23 is installed in the third arc-shaped slot 2424 of the second fixing frame 242 , so that the second support member 23 is rotatably connected to the second fixing frame 242 through a virtual shaft connection.
  • the connection structure between the two connecting arms 244 is described below.
  • FIG. 34A is a schematic cross-sectional structure diagram of the shaft assembly 2 shown in FIG. 33 along A4-A4, and FIG. 34B is a schematic structural diagram of the structure shown in FIG. 34A when it is in a closed state.
  • the section cut along A4-A4 passes through the first support member 22, the first fixing frame 241, the first connecting member 27, the first connecting arm 243, the main shaft 21, the second connecting arm 244, the second connecting member 28, the first Two fixing frames 242 and the second supporting member 23 .
  • the first connecting member 27 can rotate relative to the first arc-shaped arm 2434 of the first connecting arm 243 through the first arc-shaped slot 271 , so as to rotate relative to the first connecting arm 243 .
  • the second connecting member 28 can rotate relative to the first arc arm 2434 of the second connecting arm 244 through the first arc slot 281 to rotate relative to the second connecting arm 244 .
  • first connecting arm 243 can also be rotatably connected to the first connecting member 27 through a connection with a physical shaft, and/or the second connecting arm 244 can also be connected with a physical shaft,
  • the second connecting member 28 is rotationally connected, which is not strictly limited in the present application.
  • the upper end of the first connecting member 27 is located at the notch 2223 of the first supporting member 22 to avoid collision with the first supporting member 22 during the rotation; the upper end of the second connecting member 28 is located at the notch 2323 of the second supporting member 23 , to avoid collision with the second support member 23 during the rotation.
  • FIG. 35A is a schematic cross-sectional structure diagram of the shaft assembly 2 shown in FIG. 33 along A5-A5
  • FIG. 35B is a schematic structural diagram of the structure shown in FIG. 35A when it is in a closed state.
  • the section along A5-A5 passes through the first support member 22 , the first fixing frame 241 , the first connecting member 27 , the main shaft 21 , the second connecting member 28 , the second fixing frame 242 and the second supporting member 23 .
  • the second arc-shaped arm 2222 of the first support member 22 can be installed in the second arc-shaped groove 272 of the first connecting member 27, and the first connecting member 27 is rotatably connected to the first supporting member 27 in a connection manner of a virtual axis.
  • the second arc-shaped arm 2322 of the second support member 23 can be installed in the second arc-shaped groove 282 of the second connecting member 28, and the second connecting member 28 is rotatably connected to the second supporting member 23 in a connection manner of a virtual axis; that is The second connecting member 28 is rotatably connected to the second supporting member 23 .
  • first support member 22 can also be rotatably connected to the first connecting member 27 through a connection of a physical shaft, and/or the second support 23 can also be connected with a physical shaft,
  • the second connecting member 28 is rotationally connected, which is not strictly limited in the present application.
  • the first connecting member 27 can rotate relative to the second arc arm 2222 of the first support member 22 through the second arc groove 272, so as to rotate relative to the first support member 22, that is, The first connecting member 27 is rotatably connected to the first supporting member 22 .
  • the second link 28 can rotate relative to the second arc arm 2322 of the second support 23 through the second arc slot 282 to rotate relative to the second support 23 , that is, the second link 28 and the second support 23 Turn to connect.
  • the first connecting member 27 rotates by a first angle relative to the first support member 22; the second connecting member 28 also rotates by a first angle relative to the second support member 23 .
  • connection end 22221 of the second arc-shaped arm 2222 of the first support member 22 is connected to the first support plate 221 of the first support member 22, and the rotating end 22222 of the second arc-shaped arm 2222 is rotationally connected with the second arc-shaped groove 272 , the rotating end 22222 of the second arc-shaped arm 2222 is suspended in the air and extends away from the main shaft 21, so that during the folding process of the rotating shaft assembly 2, the rotating end 22222 of the second arc-shaped arm 2222 extends into the second arc-shaped groove 272, In order to increase the connection stability between the first connecting part 27 and the first supporting part 22 .
  • connection end 23221 of the second arc arm 2322 of the second support member 23 is connected to the second support plate 231 of the second support member 23, and the rotating end 23222 of the second arc arm 2322 is rotationally connected with the second arc groove 282 , the rotating end 23222 of the second arc-shaped arm 2322 is suspended in the air and extends away from the main shaft 21, so that during the folding process of the rotating shaft assembly 2, the rotating end 23222 of the second arc-shaped arm 2322 extends into the second arc-shaped groove 282, In order to increase the connection stability between the second connecting member 28 and the second supporting member 23 .
  • first limiting surface 275 there may be a second included angle between the first limiting surface 275 and the second limiting surface 276 of the first connecting member 27, and the second included angle is related to the first angle at which the first supporting member 22 rotates relative to the first connecting member 27.
  • second included angle is related to the first angle at which the first supporting member 22 rotates relative to the first connecting member 27.
  • the first limiting surface 275 is parallel to the lower surface of the first support plate 221 of the first support member 22; in the closed state of the shaft assembly 2, the first connecting member 27 is opposite to the first support
  • the member 22 rotates the first angle
  • the second limiting surface 276 is parallel to the lower surface of the first supporting plate 221 of the first supporting member 22, the first limiting surface 275 and the second limiting surface 276 can play a role in defining the first connection
  • the first limiting surface 275 in the open state of the rotating shaft assembly 2, may also contact the lower surface of the first support plate 221 of the first support member 22, or may be in contact with the lower surface of the first support plate 221. There is a slight gap on the surface; in the closed state of the rotating shaft assembly 2, the second limiting surface 276 can also contact the lower surface of the first support plate 221 of the first support member 22, and can also exist with the lower surface of the first support plate 221.
  • the tiny gap is not limited in this embodiment of the present application.
  • first limiting surface 285 and the second limiting surface 286 of the second connecting member 28 there may be a second included angle between the first limiting surface 285 and the second limiting surface 286 of the second connecting member 28, and the second included angle is related to the first angle at which the second supporting member 23 rotates relative to the second connecting member 28. Complementary angles.
  • the first limiting surface 285 is parallel to the lower surface of the second support plate 231 of the second support member 23; in the closed state of the shaft assembly 2, the second connecting member 28 is opposite to the second support 23 rotates the first angle, the second limit surface 286 is parallel to the lower surface of the second support plate 231 of the second support member 23, the first limit surface 285 and the second limit surface 286 can play a role in limiting the second connection The effect of the rotation angle of the member 28 relative to the second support member 23.
  • the first limiting surface 285 may also contact the lower surface of the second supporting plate 231 of the second supporting member 23, or may be in contact with the lower surface of the second supporting plate 231.
  • the second limiting surface 286 can also contact the lower surface of the second support plate 231 of the second support member 23, and can also exist with the lower surface of the second support plate 231.
  • the tiny gap is not limited in this embodiment of the present application.
  • FIG. 36A is a schematic cross-sectional view of the shaft assembly 2 shown in FIG. 33 along A6-A6
  • FIG. 36B is a schematic structural view of the structure shown in FIG. 36A in a closed state.
  • the section along A6-A6 passes through the first support member 22 , the first fixing frame 241 , the main shaft 21 , the second fixing frame 242 and the second supporting member 23 .
  • the third arc-shaped arm 2232 of the first support member 22 is installed in the third arc-shaped groove 2414 of the first fixed frame 241, and the first support member 22 is rotatably connected to the first fixed frame in a virtual shaft connection manner. 241 ; that is, the first support member 22 is rotatably connected to the first fixing frame 241 .
  • the third arc-shaped arm 2332 of the second support member 23 is installed in the third arc-shaped groove 2424 of the second fixed frame 242, and the second support member 23 is rotatably connected to the second fixed frame 242 in a connection manner of a virtual axis;
  • the two support members 23 are rotatably connected to the second fixing frame 242 .
  • connection end 22321 of the third arc arm 2232 of the first support member 22 is connected to the first support plate 221, the rotating end 22322 of the third arc arm 2232 is rotationally connected to the third arc groove 2414, and the third arc
  • the rotating end 22322 of the shaped arm 2232 extends in a direction away from the main shaft 21 relative to the connecting end 22321, so that during the folding process of the rotating shaft assembly 2, the rotating end 22322 of the third arc-shaped arm 2232 extends into the third arc-shaped groove 2414 to increase The connection stability between the first fixing frame 241 and the first supporting member 22 .
  • the connecting end 23321 of the third arc-shaped arm 2332 of the second support member 23 is connected to the second support plate 231, the rotating end 23322 of the third arc-shaped arm 2332 is rotationally connected with the third arc-shaped slot 2424, and the third arc-shaped
  • the rotating end 23322 of the shaped arm 2332 extends in a direction away from the main shaft 21 relative to the connecting end 23321, so that during the folding process of the rotating shaft assembly 2, the rotating end 23322 of the third arc-shaped arm 2332 extends into the third arc-shaped groove 2424 to increase
  • the connection stability between the second fixing frame 242 and the second supporting member 23 is connected to the second support plate 231, the rotating end 23322 of the third arc-shaped arm 2332 is rotationally connected with the third arc-shaped slot 2424, and the third arc-shaped
  • the rotating end 23322 of the shaped arm 2332 extends in a direction away from the main shaft 21 relative to the connecting end 23321, so that during the folding process
  • the two ends of the first connecting member 27 are respectively rotatably connected to the first connecting arm 243 and the first supporting member 22, and the two ends of the second connecting member 28 are respectively rotatably connected to the second connecting arm 244 and the second supporting member 23.
  • the first connecting arm 243 and the first supporting member 22 rotate relatively through the first connecting member 27, and the second connecting arm 244 and the second supporting member 23 relatively rotate through the second connecting member 28. turn.
  • the third arc-shaped arm 2232 of the first support member 22 partly turns out of the third arc-shaped slot 2414 of the first fixing bracket 241, and the first fixing bracket 241 first A gap is formed between the mating surface 2419 and the first support member 22, a gap is formed between the connecting section 2433 of the first connecting arm 243 and the first support member 22, and the first support member 22 is flattened relative to the main shaft 21; the second support member 23
  • the third arc-shaped arm 2332 partly turns out of the third arc-shaped slot 2424 of the second fixing bracket 242, and a gap is formed between the second mating surface 2429 of the second fixing bracket 242 and the second supporting member 23, and the second connecting arm 244 A gap is formed between the connecting section 2443 of the second support member 23 and the second support member 23 is flattened relative to the main shaft 21 .
  • the third arc-shaped arm 2232 of the first support member 22 turns into the third arc-shaped groove 2414 of the first fixing bracket 241, and the first fitting of the first fixing bracket 241
  • the surface 2419 is close to the first support 22, the connecting section 2433 of the first connecting arm 243 is close to the first support 22, and the first support 22 is bent relative to the main shaft 21; the third arc arm 2332 of the second support 23 turns into The third arc-shaped groove 2424 of the second fixing bracket 242, the second mating surface 2429 of the second fixing bracket 242 is close to the second support member 23, the connecting section 2443 of the second connecting arm 244 is close to the second support component 23, the second support The piece 23 is bent relative to the main shaft 21 .
  • the third arc-shaped arm 2232 of the first support 22 is located at the end of the first support 22 away from the main shaft 21, and the third arc-shaped arm 2332 of the second support 23 is located at the end of the first support 22.
  • the end of the second supporting member 23 is away from the main shaft 21 .
  • a first distance is formed between the rotation center of the third arc-shaped arm 2232 of the first support member 22 and the rotation center of the third arc-shaped arm 2332 of the second support member 23 .
  • the second arc-shaped arm 2222 of the first support 22 is located in the middle of the first support 22, that is, on the side of the third arc-shaped arm 2232 close to the main shaft 21; the second support The second arc-shaped arm 2322 of 23 is located at the middle of the second support member 23 , that is, at the side of the third arc-shaped arm 2332 close to the main shaft 21 .
  • a second distance is formed between the rotation center of the second arc-shaped arm 2222 of the first support member 22 and the rotation center of the second arc-shaped arm 2322 of the second support member 23 .
  • the second distance is smaller than the first distance, so the distance between the side of the first support 22 away from the main shaft 21 and the side of the second support 23 away from the main shaft 21 is smaller than the first support.
  • the distance between the side of the component 22 close to the main shaft 21 and the side of the second support 23 close to the main shaft 21 means that the first support 22 and the second support 23 are away from each other in the direction close to the main shaft 21 .
  • the first support member 22 and the second support member 23 are relatively flat; Together, a drop-like holding screen space 210 is formed.
  • the structural members of the multiple connection assemblies (24, 25, 26) of the shaft assembly 2 can also cooperate with the first support 22, the main shaft 21 and the second support 23 to jointly surround A more complete droplet-shaped screen space 210 is produced.
  • FIG. 37 is a schematic diagram of the connection relationship of the partial structure shown in FIG. 241 , a schematic diagram of the connection relationship between the first connecting arm 243 and the first connecting member 27 , and a schematic diagram of the connection relationship between the second support member 23 , the second fixing frame 242 , the second connecting arm 244 and the second connecting member 28 .
  • the first fixed frame 241 is rotatably connected to the first connecting arm 243; as shown in Figure 36A, the first support member 22 is rotatably connected to the first fixed frame 241; as shown in Figure 34A and Figure 35A, the first Two ends of a connecting piece 27 are respectively rotatably connected to the first connecting arm 243 and the first supporting piece 22 . Therefore, as shown in FIG. 37 , the four mechanisms of the first supporting member 22 , the first fixing frame 241 , the first connecting arm 243 and the first connecting member 27 are respectively rotatably connected with adjacent mechanisms to form a four-bar linkage.
  • the structure is such that the first fixing frame 241 , the first connecting arm 243 and the first connecting member 27 jointly define the movement of the first supporting member 22 , so that the movement track of the first supporting member 22 can be precisely controlled.
  • the first connecting arm 243 and the first connecting member 27 rotate relatively around the first rotation center 273, and the first support member 22 and the first connecting member 27 relatively rotate around the second rotating center 274.
  • the present application can design the first connection
  • the relative positions of the first rotation center 273 and the second rotation center 274 of the member 27 can adjust the movement track of the first support member 22 to change the shape of the screen space 210 .
  • the two ends of the first connecting member 27 are respectively connected to the first connecting arm 243 and the first support member 22 through a virtual axis
  • the two ends of the second connecting member 28 are respectively connected to the second connecting arm 244 through a virtual axis. and the second support member 23, so as to accurately control the movement tracks of the first support member 22 and the second support member 23 through the four-bar linkage structure.
  • first connecting member 27 can also be connected to the first connecting arm 243 and/or the first support member 22 through a physical shaft
  • the second connecting member 28 can also be rotatably connected to the second connecting arm 24 through a physical shaft.
  • the connecting arm 244 and/or the second support member 23 are not limited in this application.
  • the second fixed frame 242 is rotatably connected to the second connecting arm 244; as shown in FIG. 36A, the second support member 23 is rotatably connected to the second fixed frame 242; as shown in FIG. 34A and FIG. 35A , the two ends of the second connecting member 28 are respectively rotatably connected to the second connecting arm 244 and the second supporting member 23 . Therefore, as shown in FIG. 37 , the four mechanisms of the second supporting member 23 , the second fixing frame 242 , the second connecting arm 244 and the second connecting member 28 are respectively rotatably connected with adjacent mechanisms to form a four-bar linkage.
  • the structure is such that the second fixing frame 242 , the second connecting arm 244 and the second connecting member 28 jointly define the movement of the second supporting member 23 , so that the movement track of the second supporting member 23 can be accurately controlled.
  • the second connecting arm 244 and the second connecting member 28 rotate relatively around the second rotation center 283, and the second support member 23 and the second connecting member 28 relatively rotate around the second rotating center 284.
  • the present application can design the second connection
  • the relative positions of the first rotation center 283 and the second rotation center 284 of the member 28 can adjust the movement trajectory of the second support member 23 to change the shape of the screen space 210 .
  • Fig. 34A to Fig. 36B mainly show the connection structure between the first support member 22 and the second support member 23 and the first connecting arm 243 and the second connecting arm 244, and the first support member 22 and the second connecting arm 244 will be briefly described below in conjunction with the accompanying drawings.
  • FIG. 38A is a schematic cross-sectional structure diagram of the shaft assembly 2 shown in FIG. 33 along A7-A7
  • FIG. 38B is a schematic structural diagram of the structure shown in FIG. 38A when it is in a closed state.
  • the section cut along A7-A7 passes through the first fixed frame 241, the first swing arm 245, the first guide arm 224 of the first support member 22, the main shaft 21, the second guide arm 234 of the second support member 23, the first Two swing arms 246 and a second fixing frame 242 .
  • the sliding end 2452 of the first swing arm 245 is slidably connected to the first supporting member 22 .
  • the first guide arm 224 of the first support member 22 can be installed on the first avoidance area 24524 of the sliding end 2452 of the first swing arm 245, and the bottom rotating shaft 2483 is installed on the first guide chute 2243 of the first guide arm 224.
  • the sliding end 2452 of the guide arm 224 is slidably connected with the first guide chute 2243, the first guide arm 224 can slide relative to the sliding end 2452 of the first swing arm 245 through the first avoidance area 24524, and the bottom rotating shaft 2483 can slide in the first guide slide.
  • the first avoidance area 24524 can provide a movable space for the first guide arm 224, thereby providing convenience for the connection structure between the first guide arm 224 and the sliding end 2452 of the first swing arm 245, saving the space occupied by the rotating shaft assembly 2.
  • the size of the space is conducive to the thinning and thinning of the rotating shaft assembly 2 .
  • the sliding end 2452 of the first swing arm 245 may also be slidably connected to the first guide arm 224 in other ways, which is not limited in this application.
  • the second guide arm 234 of the second support member 23 can be installed on the second avoidance area 24624 of the sliding end 2462 of the second swing arm 246, and the bottom rotating shaft 2484 is installed on the second guide chute 2343 of the second guide arm 234.
  • the guide arm 234 can pass through the second avoidance area 24624 relative to the sliding end 2462 of the second swing arm 246, and the bottom rotating shaft 2484 can slide in the second guide chute 2343 along the extension direction of the second guide chute 2343, so that the second The support member 23 is slidably connected to the sliding end 2462 of the second swing arm 246 .
  • the second avoidance area 24624 can provide a movable space for the second guide arm 234, thereby providing convenience for the connection structure between the second guide arm 234 and the sliding end 2462 of the second swing arm 246, saving the space occupied by the rotating shaft assembly 2.
  • the size of the space is conducive to the thinning and thinning of the rotating shaft assembly 2 .
  • the first support member 22 is slidably connected to the sliding end 2452 of the first swing arm 245 and rotatably connected to the first fixing frame 241, the sliding end 2452 of the first swing arm 245 and the first fixing frame 241 jointly define a first The movement trajectory of the support member 22;
  • the second support member 23 is slidably connected to the sliding end 2462 of the second swing arm 246 and rotationally connected to the second fixed frame 242, and the sliding end 2462 of the second swing arm 246 and the second fixed frame 242 jointly define the first The trajectory of the two supports 23.
  • the first support member 22 moves relative to the main shaft 21 along with the sliding end 2452 of the first swing arm 245 and the first fixed frame 241, and the first support member 22 also swings relative to the first The sliding end 2452 of the arm 245 and the first fixed frame 241 move;
  • the second support member 23 moves relative to the main shaft 21 with the sliding end 2462 of the second swing arm 246 and the second fixed frame 242, and the second support member 23 also swings relative to the second The sliding end 2462 of the arm 246 and the second holder 242 move.
  • the first guide chute 2243 includes a proximal end 2243a and a distal end 2243b, and the proximal end 2243a is closer to the main shaft 21 and closer to the first support plate 221 than the distal end 2243b.
  • the second guide chute 2343 has a proximal end 2343 a and a distal end 2343 b, and the proximal end 2343 a is closer to the main shaft 21 than the distal end 2343 b and is closer to the second support plate 231 .
  • the third arc-shaped arm 2232 of the first support member 22 partly turns out of the third arc-shaped slot 2414 of the first fixing bracket 241 , and the first fixing bracket 241 first
  • a gap is formed between the mating surface 2419 and the first support member 22, the bottom shaft 2483 slides to the distal end 2243b of the first guide chute 2243 of the first support member 22, the connecting section of the first swing arm 245 and the first support member A gap is formed between 22, and the first support member 22 is flattened relative to the main shaft 21;
  • the third arc-shaped arm 2332 of the second support member 23 is partially turned out of the third arc-shaped groove 2424 of the second fixed frame 242, and the second fixed frame 242
  • a gap is formed between the second mating surface 2429 of the second support member 23 and the bottom shaft 2484 slides to the distal end 2343b of the second guide chute 2343 of the second support member 23, and the connecting section 2463 of the second swing arm 246 and A gap is formed between the
  • the third arc-shaped arm 2232 of the first support member 22 turns into the third arc-shaped groove 2414 of the first fixing bracket 241, and the first fitting of the first fixing bracket 241
  • the surface 2419 is close to the first support 22, the bottom shaft 2483 slides to the proximal end 2243a of the first guide chute 2243 of the first support 22, the connecting section of the first swing arm 245 is close to the first support 22, the first support
  • the member 22 is bent relative to the main shaft 21;
  • the third arc-shaped arm 2332 of the second support member 23 is turned into the third arc-shaped groove 2424 of the second fixed frame 242, and the second mating surface 2429 of the second fixed frame 242 is close to the second support 23,
  • the bottom shaft 2484 slides to the proximal end 2343a of the second guide chute 2343 of the second support 23
  • the connecting section 2463 of the second swing arm 246 is close to the second support 23, and the second support 23 is opposite to the main shaft 21 bent.
  • the third arc-shaped arm 2232 is located on the side of the first support plate 221 away from the main shaft 21, the third arc-shaped arm 2332 is located on the side of the second support plate 231 away from the main shaft 21, and the proximal end of the first guide chute 2243 2243a is located in the middle of the first support plate 221 or on the side close to the main shaft 21 , and the proximal end 2343a of the second guide chute 2343 is located in the middle of the second support plate 231 or on the side close to the main shaft 21 .
  • a third distance is formed; between the bottom rotating shaft 2483 and the bottom rotating shaft 2484 , forming the fourth interval.
  • the third distance is smaller than the fourth distance, so the distance between the side of the first support plate 221 away from the main shaft 21 and the side of the second support plate 231 away from the main shaft 21 is smaller than that of the first support plate 221 close to the main shaft.
  • 21 and the side of the second support plate 231 close to the main shaft 21 that is, the first support plate 221 and the second support plate 231 are away from each other in the direction close to the main shaft 21 . Therefore, the first support member 22 and the second support member 23 are away from each other in a direction close to the main shaft 21 .
  • the first supporting member 22 , the main shaft 21 and the second supporting member 23 of the rotating shaft assembly 2 jointly enclose a water drop-like containment space 210 .
  • the structural members of the plurality of connection assemblies (24, 25, 26) of the shaft assembly 2 can also cooperate with the first support 22, the main shaft 21 and the second support 23 to jointly surround A more complete droplet-shaped screen space 210 is created.
  • the shaft assembly 2 forms a four-bar linkage with the first support member 22 , the first fixing frame 241 and the first connecting arm 243 through the first connecting member 27 . structure, and define the trajectory of the first support 22 through the four-link structure, so that the first support 22 can move with the rotation of the first connecting arm 243 relative to the main shaft 21; and through the first swing arm 245 and the first fixed
  • the frames 241 jointly define the movement track of the first support member 22 , so that the first support member 22 can move along the first guide slot 2243 as the first swing arm 245 rotates relative to the main shaft 21 .
  • the shape of the first guide chute 2243 and/or the structure of the first connecting member 27 can be designed so that the trajectory of the movement of the first support member 22 as the first swing arm 245 rotates relative to the main shaft 21, It coincides with the trajectory of the movement of the first support member 22 as the first connecting arm 243 rotates relative to the main shaft 21 .
  • the rotating shaft assembly 2 not only forms a four-bar linkage structure with the second support piece 23 , the second fixing frame 242 and the second connecting arm 244 through the second connecting piece 28, but also defines the position of the second support piece 23 through the four-link structure.
  • the trajectory of the second support member 23 can move with the rotation of the second connecting arm 244 relative to the main shaft 21; the trajectory of the second support member 23 is jointly defined by the second swing arm 246 and the second fixed frame 242, so that the second support member 23
  • the two support members 23 can move along the guide slot 2343 as the second swing arm 246 rotates relative to the main shaft 21 .
  • the shape of the guide chute 2343 and/or the structure of the second connecting member 28 can be designed so that the trajectory of the movement of the second support member 23 with the rotation of the second swing arm 246 relative to the main shaft 21 is the same as that of the second support member 23 .
  • the trajectories of the movement of the two support members 23 coincide with the rotation of the second connecting arm 244 relative to the main shaft 21 .
  • the present application may only define the movement track of the first support member 22 through the four-bar linkage structure, and/or limit the movement track of the second support member 23 only through the four-bar linkage structure.
  • the first connecting arm 243 is rotationally connected to the rotating shaft 21 by means of a virtual axis, so the movement of the first connecting arm 243 relative to the main shaft 21 is stable, so that the first supporting member 22 and/or the second supporting member attached to the first connecting arm 243 The movement of the 23 is smooth and smooth.
  • connection structure between the first support member 22 and the second support member 23 and the bottom connection assembly 24 has been mainly introduced above, and the second support member 23 is connected to the bottom connection assembly 24 through the second connection member 28 .
  • the first support member 22 is connected to the bottom connection assembly 24 through the first connection member 27
  • the second support member 23 is connected to the bottom connection assembly 24 through the second connection member 28 .
  • connection structure between the first support 22 and the second support 23 and the middle connection assembly 25 can refer to the connection structure between the first support 22 and the second support 23 and the bottom connection assembly 24, for example, the first
  • the third rotating block 225 in the middle connection structure (225, 226) of a support member 22 is rotatably connected to the third fixed frame 251
  • the guide arm 226 is slidably connected to the sliding end 2552 of the third swing arm 255
  • the third rotating block 235 in the connection structure ( 235 , 236 ) is rotatably connected to the fourth fixed frame 252
  • the guide arm 236 is slidably connected to the sliding end 2562 of the fourth swing arm 256 . Details will not be repeated here.
  • connection structure between the first support 22 and the second support 23 and the top connection assembly 26 can refer to the connection structure between the first support 22 and the second support 23 and the bottom connection assembly 24, for example, the first The structure of the third connecting member 29 can refer to the first connecting member 27, and the two ends of the third connecting member 29 are respectively connected to the first support member 22 and the fifth connecting arm 263; the structure of the fourth connecting member 30 can refer to the second connecting member 28 , both ends of the fourth connecting member 30 are respectively connected to the second supporting member 23 and the sixth connecting arm 264 .
  • the fourth rotating block 227 in the top connection structure (227, 228, 229) of the first support member 22 is rotatably connected to the third connecting member 29
  • the fifth rotating block 228 is rotatably connected to the fifth fixed frame 261
  • the guide arm 229 is slidably connected to the fifth fixed frame 261.
  • the sliding end 2652 of the five swing arm 265, the fourth rotating block 237 in the top connection structure (237, 238, 239) of the second support member 23 is rotatably connected to the fourth connecting member 30, and the fifth rotating block 238 is rotatably connected to the sixth fixed member 30.
  • the frame 262 and the guide arm 239 are slidably connected to the sliding end 2662 of the sixth swing arm 266, and the details will not be repeated here.
  • FIG. 39 is a partial structural diagram of the electronic device 1000 shown in FIG. 2 .
  • each component shown in FIG. 39 is presented in a schematic diagram, and does not limit the specific structure of the component.
  • the first support member 22 when the electronic device 1000 is in a closed state, the first support member 22 has a first end 22a away from the main shaft 21 and a second end 22b close to the main shaft 21, and the second support member 23 has a first end far away from the main shaft 21 23a and the second end 23b close to the main shaft 21, the distance between the first end 22a of the first support 22 and the first end 23a of the second support 23 is smaller than the second end 22b of the first support 22 and the second end 22b of the first support 22
  • the distance between the second ends 23 b of the two support members 23 , the first support member 22 , the second support member 23 , the main shaft 21 and other structures of the rotating shaft assembly 2 jointly form a drop-shaped containment space 210 .
  • the screen 200 moves with the first casing 11 , the rotating shaft assembly 2 and the second casing 12 , and the central area of the screen 200 presents a drop shape and is located in the screen containing space 210 .
  • the first supporting member 22 and the second supporting member 23 automatically avoid under the control of the movement mechanism of the rotating shaft assembly 2, and the formed screen space 210 fits the bending shape of the screen 200, which can prevent the screen 200 from being squeezed by the rotating shaft assembly 2
  • damage occurs, so that the reliability of the screen 200 and the electronic device 1000 is higher, and the service life is longer.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un dispositif électronique pliable (1000), un ensemble arbre rotatif (2) et un appareil de boîtier (100). Le dispositif électronique (1000) comprend un premier boîtier (11), un second boîtier (12), et l'ensemble arbre rotatif (2) relié entre le premier boîtier (11) et le second boîtier (12), le premier boîtier (11) et le second boîtier (12) étant aptes à être pliés ou dépliés l'un par rapport à l'autre au moyen de l'ensemble arbre rotatif (2). L'ensemble arbre rotatif (2) comprend un premier élément de support (22), un premier élément de liaison (27), un second élément de support (23), et un second élément de liaison (28), le premier élément de support (22) et le second élément de support (23) étant utilisés pour supporter un écran (200). L'ensemble arbre rotatif (2) entraîne, au moyen du premier élément de liaison (27) et du second élément de liaison (28), le mouvement du premier élément de support (22) et du second élément de support (23), et peut commander avec précision les trajectoires de mouvement du premier élément de support (22) et du second élément de support (23), de sorte à éviter une partie de courbure d'un écran d'affichage souple lorsque le dispositif électronique (1000) est plié, améliorant ainsi la fiabilité et la durée de vie de l'écran d'affichage souple et du dispositif électronique (1000).
PCT/CN2022/125818 2021-10-19 2022-10-18 Dispositif électronique pliable, ensemble arbre rotatif et appareil de boîtier WO2023066220A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111217371.1A CN115995181A (zh) 2021-10-19 2021-10-19 可折叠的电子设备、转轴组件以及壳体装置
CN202111217371.1 2021-10-19

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WO2023066220A1 true WO2023066220A1 (fr) 2023-04-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469680A (zh) * 2018-09-27 2019-03-15 兆利科技工业股份有限公司 折叠式装置的转轴模块
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
JP2021038774A (ja) * 2019-09-02 2021-03-11 レノボ・シンガポール・プライベート・リミテッド ヒンジ装置及び電子機器
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
WO2021115462A1 (fr) * 2019-12-13 2021-06-17 华为技术有限公司 Mécanisme d'arbre rotatif et dispositif électronique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469680A (zh) * 2018-09-27 2019-03-15 兆利科技工业股份有限公司 折叠式装置的转轴模块
JP2021038774A (ja) * 2019-09-02 2021-03-11 レノボ・シンガポール・プライベート・リミテッド ヒンジ装置及び電子機器
WO2021115462A1 (fr) * 2019-12-13 2021-06-17 华为技术有限公司 Mécanisme d'arbre rotatif et dispositif électronique
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
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

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