WO2024078285A1 - Ensemble charnière et dispositif électronique pliable - Google Patents

Ensemble charnière et dispositif électronique pliable Download PDF

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Publication number
WO2024078285A1
WO2024078285A1 PCT/CN2023/120097 CN2023120097W WO2024078285A1 WO 2024078285 A1 WO2024078285 A1 WO 2024078285A1 CN 2023120097 W CN2023120097 W CN 2023120097W WO 2024078285 A1 WO2024078285 A1 WO 2024078285A1
Authority
WO
WIPO (PCT)
Prior art keywords
swinging member
hinge assembly
swinging
swing
spindle mechanism
Prior art date
Application number
PCT/CN2023/120097
Other languages
English (en)
Chinese (zh)
Inventor
唐泽成
徐正一
李云勇
闫辉垠
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2024078285A1 publication Critical patent/WO2024078285A1/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
    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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 field of terminal technology, and in particular to a hinge assembly and a foldable electronic device.
  • a foldable electronic device generally includes at least two structural members, and the two structural members are connected by a hinge assembly, so that the two structural members connected by the hinge assembly can rotate relative to each other, thereby enabling the foldable electronic device to be folded and unfolded.
  • the hinge assembly may include a main shaft mechanism and a rotating mechanism located on both sides of the main shaft mechanism, and the rotating mechanism may include a supporting member, a connecting member and a swinging member, the swinging member is connected to the main shaft mechanism and the connecting member, the connecting member is connected to the structural member and the supporting member, and the supporting member and the swinging member can be rotated and matched through a cylindrical pin and an arc track groove.
  • the embodiments of the present application provide a hinge assembly and a foldable electronic device, wherein a support member of the hinge assembly is connected to a main axis mechanism through a first swinging member and a second swinging member that are rotatably connected, the first swinging member is rotatably connected to the main axis mechanism, the second swinging member is slidably connected to the support member, and the first limiting structure and the second limiting structure enable the main axis mechanism to support the support member through the first swinging member and the second swinging member when the foldable electronic device is in a folded state and an unfolded state.
  • the support member When the foldable electronic device is in an intermediate state between the folded state and the unfolded state, the support member is in an under-constrained state, which can reduce the pulling stress generated by the support member on the flexible screen, and can reduce the risk of the flexible screen falling off due to being pulled.
  • an embodiment of the present application provides a hinge assembly, which includes: a main shaft mechanism and two rotating mechanisms located on both sides of the main shaft mechanism and rotatably connected to the main shaft mechanism.
  • Each rotating mechanism includes: a support member, a connecting member, a first swinging member and a second swinging member.
  • the connecting member is rotatably connected to the main shaft mechanism, and the connecting member can move toward or away from the main shaft mechanism during the rotation relative to the main shaft mechanism, and one end of the support member away from the main shaft mechanism is rotatably connected to the connecting member.
  • One end of the first swinging member is rotatably connected to the main shaft mechanism, the other end of the first swinging member is rotatably connected to one end of the second swinging member, and the other end of the second swinging member is slidably connected to the supporting member, so that the supporting member can move toward or away from the main shaft mechanism under the drive of the connecting member.
  • a first limiting structure is provided at the rotation connection between the first swinging member and the main shaft mechanism, so that the first swinging member can rotate between a first limiting position and a second limiting position relative to the main shaft mechanism.
  • a second limiting structure is provided at the rotation connection between the first swinging member and the second swinging member, so that the second swinging member can rotate between a third limiting position and a fourth limiting position relative to the first swinging member.
  • the first swing member rotates to the second limit position relative to the main shaft mechanism
  • the second swing member rotates to the fourth limit position relative to the first swing member, so that the main shaft mechanism supports the support member in the folded position through the first swing member and the second swing member.
  • the hinge assembly provided in the embodiment of the present application has a support member of the hinge assembly connected to the main shaft mechanism through a first swing member and a second swing member, the support member can slide relative to the second swing member, the second swing member can rotate relative to the first swing member, the first swing member can rotate relative to the main shaft mechanism, and the main shaft mechanism can support the support member through the first swing member and the second swing member when the foldable electronic device is in the folded state and the unfolded state through the first limiting structure and the second limiting structure.
  • the hinge assembly is in the middle between the folded state and the unfolded state.
  • the main shaft mechanism of the first swinging member can rotate forward and backward
  • the second swinging member and the first swinging member can rotate forward and backward
  • the support member connected to the main shaft mechanism through the first swinging member and the second swinging member is in an under-constrained state
  • the support member is pressed by the deformed flexible screen and moves
  • the support member moves with the deformation of the flexible screen.
  • the main shaft mechanism can support the support member through the first swinging member and the second swinging member, and the position of the support member when the foldable electronic device is in the folded state and the unfolded state can be limited, which is conducive to controlling the position of the plane used to support the first display screen when the hinge assembly is in the unfolded state, so as to control the form of the screen space formed by the main shaft mechanism and the support members on both sides of the hinge assembly when the hinge assembly is in the folded state, and the foldable electronic device has better support for the first display screen when it is in the folded state and the unfolded state, and the display effect of the first display screen is better.
  • the first limit structure includes a first limit block provided on the first swing member and a second limit block provided on the spindle mechanism, and the second limit block is located on the rotation path of the first limit block.
  • the first limit block and the second limit block are both fan-shaped structures whose axes coincide with the rotation axis of the first swinging member relative to the spindle mechanism, the rotation axis of the first swinging member relative to the spindle mechanism is located on the plane where the end face of the first limit block that is used to abut against the second limit block is located, and the rotation axis of the first swinging member relative to the spindle mechanism is located on the plane where the end face of the second limit block that is used to abut against the first limit block is located.
  • a first sleeve is provided on the first swinging member, a first notch corresponding to the first sleeve is provided on the spindle mechanism, a first connecting shaft parallel to the axial direction of the spindle mechanism is provided in the first notch, the first sleeve is sleeved on the first connecting shaft in the corresponding first notch, and is rotatably connected to the first connecting shaft in the corresponding first notch, so that the first swinging member is rotatably connected to the spindle mechanism.
  • a first limit block is provided on the end surface of the first sleeve, and a second limit block is provided on the inner wall of the first notch.
  • the first swinging member is provided with two coaxial first sleeves spaced apart along the axial direction of the spindle mechanism, each first sleeve has a first stop block on its end surface, and each first notch has a second stop block on its inner wall.
  • the second limiting structure includes a third limiting block provided on the first swinging member and a fourth limiting block provided on the second swinging member, and the fourth limiting block is located on the rotation path of the third limiting block.
  • the third limit block and the fourth limit block are both fan-shaped structures whose axes coincide with the rotation axis of the second swinging member relative to the first swinging member, the rotation axis of the second swinging member relative to the first swinging member is located on the plane where the end face of the third limit block that is used to abut against the fourth limit block is located, and the rotation axis of the second swinging member relative to the first swinging member is located on the plane where the end face of the fourth limit block that is used to abut against the third limit block is located.
  • a second sleeve is provided on one of the first swing member and the second swing member, a second notch corresponding to the second sleeve is provided on the other of the first swing member and the second swing member, a second connecting shaft parallel to the axial direction of the spindle mechanism is provided in the second notch, the second sleeve is sleeved on the second connecting shaft in the corresponding second notch, and is rotatably connected to the second connecting shaft in the corresponding second notch, so that the second swing member is rotatably connected to the first swing member.
  • One of the third limit block and the fourth limit block is provided on the end surface of the second sleeve, and the other of the third limit block and the fourth limit block is provided on the inner wall of the second notch.
  • one of the third limit block and the fourth limit block is provided at both opposite ends of the second sleeve, and the other of the third limit block and the fourth limit block is provided on both opposite inner walls of the second notch.
  • a side surface of the support member is provided with a clearance groove for the second swinging member to swing.
  • the first swinging member is a bent member with an obtuse angle, and the distance from the end of the first swinging member connected to the spindle mechanism to the first swinging member is greater than the distance from the end of the first swinging member connected to the second swinging member to the first swinging member.
  • a linear slide groove is provided on one of the second swing member and the support member, a sliding portion that slides with the linear slide groove is provided on the other of the second swing member and the support member, and the second swing member is slidably connected to the support member via the linear slide groove and the sliding portion.
  • the linear slide groove includes a first planar groove wall and a second planar groove wall that are opposite, the sliding portion includes a first sliding plane and a second sliding plane that are opposite, the first planar groove wall is in surface contact with the first sliding plane, and the second planar groove wall is in surface contact with the second sliding plane.
  • first planar groove wall of the linear groove is parallel to the second planar groove wall
  • first sliding plane of the sliding portion is parallel to the second sliding plane
  • the sliding portion is a cubic structure.
  • At least two opposite linear slide grooves are provided on the support member, at least a portion of the second swing member is located between the two opposite linear slide grooves, and sliding portions that slidably cooperate with the adjacent linear slide grooves are respectively provided on both sides of the second swing member.
  • At least two opposing protrusions are provided on one side surface of the support member, and a linear slide groove is formed on the protrusions.
  • both ends of the linear slide groove penetrate through the protrusion where the linear slide groove is located.
  • each rotating mechanism further includes a third swinging member.
  • One end of the third swinging member is rotationally connected to the main shaft mechanism, and the other end of the third swinging member is slidably connected to the connecting member, so that the connecting member is rotationally connected to the main shaft mechanism, and the connecting member can move toward or away from the main shaft mechanism during the process of rotating relative to the main shaft mechanism.
  • the third swinging members located on both sides of the main shaft mechanism are connected through a gear set.
  • the second aspect of the embodiment of the present application provides a foldable electronic device, comprising: a first structural member, a second structural member, and a hinge assembly in any of the above embodiments.
  • the first structural member and the second structural member are respectively located on both sides of the hinge assembly, the first structural member is fastened to a connecting member adjacent to the first structural member in the hinge assembly, and the second structural member is fastened to a connecting member adjacent to the second structural member in the hinge assembly.
  • the support member in the hinge assembly of the electronic device is connected to the main shaft mechanism through the first swing member and the second swing member, the support member can slide relative to the second swing member, the second swing member can rotate relative to the first swing member, the first swing member can rotate relative to the main shaft mechanism, and the main shaft mechanism can support the support member through the first swing member and the second swing member when the foldable electronic device is in the folded state and the unfolded state through the first limiting structure and the second limiting structure.
  • the hinge assembly is in the intermediate state between the folded state and the unfolded state, the first swing member and the main shaft mechanism can rotate forward and backward, and the second swing member and the first swing member can rotate forward and backward.
  • the support member connected to the main shaft mechanism through the first swing member and the second swing member is in an under-constrained state, and the support member moves under the pressure of the deformed flexible screen, and the support member moves with the deformation of the flexible screen.
  • the main axis mechanism can support the support member through the first swing member and the second swing member, and can limit the position of the support member when the foldable electronic device is in a folded state and an unfolded state, which is beneficial to control the position of the plane used to support the first display screen when the hinge assembly is in the unfolded state, so as to facilitate control of the shape of the screen-holding space formed by the main axis mechanism and the support members on both sides thereof when the hinge assembly is in the folded state.
  • the foldable electronic device has better support for the first display screen when it is in a folded state and an unfolded state, and the display effect of the first display screen is better.
  • FIG1 is a schematic diagram of a foldable electronic device in a folded state provided by an embodiment of the present application
  • FIG2 is a schematic diagram of another foldable electronic device provided in an embodiment of the present application in an unfolded state
  • FIG3 is an exploded view of another foldable electronic device provided in an embodiment of the present application.
  • FIG4 is a schematic diagram of another foldable electronic device provided by an embodiment of the present application in an intermediate state
  • FIG5 is a schematic diagram of a hinge assembly provided in an embodiment of the present application switching between an unfolded state and a folded state;
  • FIG6 is a schematic diagram of a first display screen and a hinge assembly when another foldable electronic device provided by an embodiment of the present application is in a folded state;
  • FIG7 is a partial schematic diagram of another hinge assembly provided by an embodiment of the present application in a folded state
  • FIG. 8 is a schematic diagram of the assembly of the first swing member and the second swing member with the main shaft mechanism and the support member when another hinge assembly provided by an embodiment of the present application is in an unfolded state;
  • FIG. 9 is a schematic diagram of the assembly of the first swing member and the second swing member with the main shaft mechanism and the support member when another hinge assembly provided by an embodiment of the present application is in a folded state;
  • FIG10 is a schematic diagram of the assembly of a first swinging member and a main shaft mechanism of another hinge assembly provided in an embodiment of the present application;
  • FIG11 is a schematic diagram of assembling a second swinging member and a first swinging member of another hinge assembly provided in an embodiment of the present application;
  • FIG12 is a schematic diagram of a second swinging member and a first swinging member of another hinge assembly provided by an embodiment of the present application after assembly is completed;
  • FIG13 is a schematic diagram of assembling a second swinging member and a supporting member of another hinge assembly provided in an embodiment of the present application;
  • FIG14 is a schematic diagram of assembling a support member and a connecting member of another hinge assembly provided in an embodiment of the present application.
  • FIG15 is a schematic diagram of a connection between a support member and a connecting member of another hinge assembly provided in an embodiment of the present application, wherein the connection is switched between an unfolded state and a folded state;
  • FIG16 is a schematic diagram of assembling a third swinging member and a connecting member of another hinge assembly provided in an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a third swinging member and a main shaft mechanism of another hinge assembly provided in an embodiment of the present application after being assembled.
  • first structural member 110, first structural member; 111, first middle frame; 1111, first frame body; 1112, first middle plate; 112, first back cover; 120, second structural member; 121, second middle frame; 1211, second frame body; 1212, second middle plate; 122, second back cover; 200, hinge assembly; 210, main shaft mechanism; 211, first connecting shaft; 212, first notch; 220, rotating mechanism; 310, first display screen; 311, first display area; 312, second display area; 313, third display area; 3131, first bending sub-area; 3132, supporting sub-area; 3133, second bending sub-area; 320, second display screen; 400, support member; 410, convex block; 420, first linear slide groove; 430, air avoidance groove; 440, adhesive; 450, first arc-shaped slide arm; 500, connecting member; 510, second linear slide; 520, first arc-shaped slide; 600, first swinging member; 610, second connecting shaft; 620, first slee
  • the embodiment of the present application provides a foldable electronic device that can change its form by folding and unfolding to meet the needs of users in different scenarios. For example, when carrying, it can be folded to reduce the size of the electronic device; when in use, it can be unfolded to increase the size of the screen for display or operation. It is understandable that the foldable electronic device can also be called user equipment (UE) or terminal, etc.
  • UE user equipment
  • the foldable electronic device provided in the embodiment of the present application may include but is not limited to a portable android device (PAD), a laptop computer, a personal digital assistant (PDA), a handheld device with a wireless communication function, a computing device, a vehicle-mounted device, a wearable device, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, and other mobile terminals or fixed terminals.
  • the foldable electronic device is described as a handheld device with a wireless communication function as an example, and the handheld device with a wireless communication function can be a foldable screen mobile phone.
  • FIG1 is a schematic diagram of a foldable electronic device in a folded state provided by an embodiment of the present application.
  • the foldable electronic device may include: a first structural member 110, a second structural member 120, and a hinge assembly 200, wherein the first structural member 110 and the second structural member 120 are respectively located on both sides of the hinge assembly 200, and the first structural member 110 and the second structural member 120 are respectively fastened to one side adjacent to the hinge assembly 200.
  • the first structural member 110 and the second structural member 120 may be fastened to one side adjacent to the hinge assembly 200 by welding, bonding, fastener connection, etc.
  • the axis of the hinge assembly 200 may extend along the width direction of the foldable electronic device.
  • the foldable electronic device may be switched between an unfolded state and a folded state, and when the foldable electronic device is in the unfolded state, the first structural member 110 and the second structural member 120 may be arranged along the length direction of the foldable electronic device.
  • the first structural member 110 and the second structural member 120 connected by the hinge assembly 200 can rotate toward each other to overlap each other.
  • the foldable electronic device is in a folded state, and the first structural member 110 and the second structural member 120 located on both sides of the hinge assembly 200 can be parallel to each other.
  • the parallelism between the two structural members may not be absolutely parallel, and a slight deviation is allowed.
  • FIG2 is a schematic diagram of a foldable electronic device in an unfolded state provided in an embodiment of the present application.
  • the first structural member 110 and the second structural member 120 connected by the hinge assembly 200 can also be rotated from the mutually stacked state to the angle between the first structural member 110 and the second structural member 120 is approximately 180°, at which time, the foldable electronic device is in the unfolded state.
  • the angle between the two structural members may be The included angle is approximately 180°, but it may not be absolutely 180°, and a slight deviation is allowed, such as 165°, 177° or 185°.
  • the foldable electronic device also has an intermediate state when switching between the folded state and the unfolded state.
  • the number of the first structural member 110 and the number of the second structural member 120 can both be one.
  • the foldable electronic device can include only one first structural member 110, one second structural member 120, and a hinge assembly 200 for connecting the first structural member 110 and the second structural member 120.
  • the first structural member 110 and the second structural member 120 can be rotated to overlap each other, so that the foldable electronic device is in the form of two layers.
  • the number of the first structural member 110 and the second structural member 120 may also be multiple, and a hinge assembly 200 (not shown) for connecting the first structural member 110 and the second structural member 120 is provided between adjacent first structural members 110 and second structural members 120.
  • the foldable electronic device may include two second structural members 120, one first structural member 110 and two hinge assemblies 200 for connecting the first structural member 110 and the second structural member 120, the two second structural members 120 are located on both sides of the first structural member 110, and are respectively rotatably connected to the first structural member 110 through a hinge assembly 200, one of the second structural members 120 can be rotated with the first structural member 110 to be stacked, and the other second structural member 120 can also be rotated relative to the first structural member 110 to be stacked, so that the foldable electronic device presents a three-layer folded form, or a two-layer folded form in which the two second structural members 120 are stacked on the same side of the first structural member 110 and are in the same layer.
  • the foldable electronic device can be partially unfolded by rotating one of the second structural members 120 to form an angle of approximately 180° with the first structural member 110, or the foldable electronic device can be fully unfolded by rotating all of the second structural members 120 to form an angle of approximately 180° with the first structural member 110.
  • the foldable electronic device further includes a first display screen 310, which is a flexible screen.
  • the first display screen 310 can be arranged on the surface of the first structural member 110, the second structural member 120 and the hinge assembly 200.
  • a screen-accommodating space can be formed between the first structural member 110, the second structural member 120 and the hinge assembly 200, and the first display screen 310 is bent and attached between the first structural member 110, the second structural member 120 and the hinge assembly 200.
  • the first display screen 310 is also unfolded.
  • first display screen 310 is mounted on the surface of the same side of the first structural member 110, the second structural member 120 and the hinge assembly 200.
  • the first structural member 110 and the second structural member 120 can be fastened to the first display screen 310, and the hinge assembly 200 can be used to support the first display screen 310.
  • the first structural member 110 and the second structural member 120 can be bonded and fixed to the first display screen 310.
  • the first display screen 310 can be used for image display, and can also be used as a virtual keyboard for inputting information.
  • the function of the first display screen 310 can be determined according to a specific application scenario.
  • the first display screen 310 can be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED) display screen, a mini organic light-emitting diode (mini organic light-emitting diode) display screen, a micro light-emitting diode (micro light-emitting diode) display screen, a micro organic light-emitting diode (micro organic light-emitting diode) display screen, a quantum dot light-emitting diode (quantum dot light-emitting diode) display screen, etc.
  • OLED organic light-emitting diode
  • AMOLED active-matrix organic light-emitting diode
  • mini organic light-emitting diode mini organic light-emitting diode
  • micro light-emitting diode micro light-emitting diode
  • the first display screen 310 includes a first display area 311 corresponding to the first structural member 110, a second display area 312 corresponding to the second structural member 120, and a third display area 313 corresponding to the hinge assembly 200.
  • the first display area 311 is arranged opposite to the corresponding first structural member 110 and is fastened to the corresponding first structural member 110
  • the second display area 312 is arranged opposite to the corresponding second structural member 120 and is fastened to the corresponding second structural member 120
  • the third display area 313 is arranged opposite to the corresponding hinge assembly 200
  • the hinge assembly 200 is used to support the corresponding third display area 313.
  • first structural member 110 can be bonded and fixed to the corresponding first display area 311
  • second structural member 120 can be bonded and fixed to the corresponding second display area 312
  • first display area 311 and the second display area 312 are connected via a third display area 313 located therebetween.
  • the first display area 311 and the second display area 312 rotate respectively with the first structural member 110 and the second structural member 120 to which the two are fastened, the third display area 313 bends, and the third display area 313 switches from the flat state to the bent state.
  • the first display area 311 and the second display area 312 rotate respectively with the first structural member 110 and the second structural member 120 to which the two are fastened, the third display area 313 flattens, and the third display area 313 switches from the bent state to the flat state.
  • the first display area 311 and the second display area 312 connected on both sides thereof may be parallel to each other (a slight deviation is allowed), and the third display area 313 may be in a teardrop-shaped structure.
  • the third display area 313 When the third display area 313 is in the flat state, the third display area 313 may be coplanar with the first display area 311 and the second display area 312 connected on both sides thereof (a slight deviation is allowed).
  • FIG3 is an exploded view of another foldable electronic device provided in an embodiment of the present application.
  • the first structural member 110 includes a first middle frame 111 and a first back cover 112
  • the second structural member 120 includes a second middle frame 121 and a second back cover 122.
  • the first middle frame 111 and the second middle frame 121 are respectively fastened to one side adjacent to the hinge assembly 200.
  • the first back cover 112 is fastened to one side of the first middle frame 111 in the thickness direction, and the other side of the first middle frame 111 in the thickness direction is fastened to the first display area 311 of the first display screen 310.
  • the second back cover 122 is fastened to one side of the second middle frame 121 in the thickness direction, and the other side of the second middle frame 121 in the thickness direction is fastened to the second display area 312 of the first display screen 310.
  • the angle between the first middle frame 111 and the second middle frame 121 located on both sides of the hinge assembly 200 is approximately 180° (a slight deviation is allowed, such as 165°, 177° or 185°), and the angle between the first back cover 112 and the second back cover 122 located on both sides of the hinge assembly 200 is approximately 180° (a slight deviation is allowed, such as 165°, 177° or 185°);
  • the first middle frame 111 and the second middle frame 121 located on both sides of the hinge assembly 200 can be parallel to each other (a slight deviation is allowed)
  • the first back cover 112 and the second back cover 122 located on both sides of the hinge assembly 200 can be parallel to each other (a slight deviation is allowed)
  • the first middle frame 111 and the second middle frame 121 located on both sides of the hinge assembly 200 are sandwiched between the first back cover 112 and the second back cover 122.
  • the first middle frame 111 may include a first middle plate 1112 and a first frame body 1111 surrounding the outer edge of the first middle plate 1112
  • the second middle frame 121 may include a second middle plate 1212 and a second frame body 1211 surrounding the outer edge of the second middle plate 1212.
  • the first middle frame 111 may be fastened to the hinge assembly 200 through the first middle plate 1112 or the first frame body 1111
  • the second middle frame 121 may be fastened to the hinge assembly 200 through the second middle plate 1212 or the second frame body 1211.
  • FIG. 4 is a schematic diagram of another foldable electronic device provided in an embodiment of the present application when it is in an intermediate state.
  • the foldable electronic device may further include a second display screen 320.
  • the second display screen 320 may be mounted on at least one of the first structural member 110 and the second structural member 120.
  • the second display screen 320 and the first display screen 310 are respectively located on both sides of the first structural member 110 in the thickness direction or on both sides of the second structural member 120 in the thickness direction.
  • the second display screen 320 is mounted on the first structural member 110 and is opposite to the first display area 311 of the first display screen 310.
  • the second display screen 320 and the first display area 311 of the first display screen 310 are respectively located on both sides of the first structural member 110.
  • the second display screen 320 may be used as an external screen.
  • the second display screen 320 may be a liquid crystal display screen.
  • the second display screen 320 may not be provided.
  • FIG. 5 is a schematic diagram of a hinge assembly provided in an embodiment of the present application switching between an unfolded state and a folded state.
  • the hinge assembly 200 includes: a main shaft mechanism 210 and two rotating mechanisms 220 located on both sides of the main shaft mechanism 210 and rotatably connected to the main shaft mechanism 210 .
  • first structural member 110 and the second structural member 120 are respectively fastened to the rotating mechanism 220 adjacent to the hinge assembly 200, and the first structural member 110 and the second structural member 120 can be rotatably connected to the main shaft mechanism 210 through the rotating mechanism 220 connecting the two to realize the toward and away rotation of the first structural member 110 and the second structural member 120.
  • the hinge assembly 200 can switch between an unfolded state and a folded state. When the foldable electronic device is in an unfolded state, the hinge assembly 200 is in an unfolded state; when the foldable electronic device is in a folded state, the hinge assembly 200 is in a folded state.
  • the axis of the main shaft mechanism 210 may extend along the width direction of the foldable electronic device.
  • the two rotating mechanisms 220 rotatably connected on both sides of the main shaft mechanism 210 can be symmetrically arranged relative to the main shaft mechanism 210.
  • the rotating mechanisms 220 on both sides of the main shaft mechanism 210 are located on the same side of the main shaft mechanism 210 in the thickness direction.
  • each rotating mechanism 220 may include a connecting member 500, which is rotatably connected to the spindle mechanism 210, and the connecting member 500 may move toward or away from the spindle mechanism 210 during the rotation relative to the spindle mechanism 210.
  • the first structural member 110 is fastened to the connecting member 500 adjacent to the first structural member 110 in the hinge assembly 200
  • the second structural member 120 is fastened to the connecting member 500 adjacent to the second structural member 120 in the hinge assembly 200.
  • first structural member 110 can be fastened to its adjacent connecting member 500 by welding, bonding, fastener connection, etc.
  • second structural member 120 can be fastened to its adjacent connecting member 500 by welding, bonding, fastener connection, etc.
  • the connecting member 500 connected thereto can be driven to rotate relative to the spindle mechanism 210.
  • the connecting member 500 connected thereto can be driven to rotate relative to the spindle mechanism 210.
  • the connecting member 500 may be a connecting frame, a connecting plate, a connecting block, etc.
  • FIG6 is a schematic diagram of a first display screen and a hinge assembly when another foldable electronic device provided in an embodiment of the present application is in a folded state.
  • each rotating mechanism 220 may further include a supporting member 400 , the supporting member 400 being used to support the third display area 313 of the first display screen 310 , and the connecting member 500 is connected to the supporting member 400 .
  • the support member 400 may be a support plate, which may also be called a door plate.
  • the support member 400 may also be a support block, a support grille, or the like.
  • Each support member 400 may be connected to one or more connecting members 500 , and the multiple connecting members 500 connected to the same support member 400 may be arranged at intervals along the axial direction of the spindle mechanism 210 .
  • the third display area 313 may include a first bending sub-area 3131, a supporting sub-area 3132, and a second bending sub-area 3133.
  • the supporting sub-area 3132 corresponds to the supporting member 400 one by one, and can be used to interfere with the corresponding supporting member 400.
  • the first display area 311 and the second display area 312 rotate relative to the main shaft mechanism 210 driven by the corresponding first structural member 110 and the second structural member 120, and the second bending sub-area 3133 and the first bending sub-area 3131 are bent or flattened.
  • the supporting sub-area 3132 may not be bent.
  • the support sub-region 3132 may be fastened to the corresponding support member 400 by a fastening structure such as adhesive 440 .
  • a fastening structure such as the adhesive 440 may not be provided between the support member 400 and the corresponding support sub-region 3132 .
  • the rotating mechanism also includes a swinging member, one end of the swinging member is rotationally connected to the main shaft mechanism, the other end of the swinging member is rotationally connected to the connecting member, a constraint is formed between the supporting member and the swinging member, and a constraint is formed between the supporting member and the connecting member, so that in the process of the connecting member driving the swinging member to rotate relative to the main shaft mechanism, the supporting member can move with the swinging member under the constraint of the swinging member.
  • a cylindrical pin can be provided on the swinging member, and an arc track groove can be provided on the supporting member. The cylindrical pin is slidably assembled in the arc track groove, and the cylindrical pin can slide along the arc track groove.
  • the swinging member In the process of the cylindrical pin sliding in the arc track groove, the swinging member can rotate around the cylindrical pin.
  • the supporting member and the connecting member can be rotationally connected through a physical axis or an arc arm for defining a virtual axis and a corresponding slide groove.
  • the swinging member In the process of switching between the unfolded state and the folded state of the hinge assembly, the swinging member can drive the supporting member to move through the interaction between the cylindrical pin and the groove wall of the arc track groove.
  • the third display area of the first display screen is bent or flattened under the pressure of the support member driven by the swing member.
  • the support member applies a force to the third display area to bend or flatten the third display area.
  • the foldable electronic device is in an intermediate state between the folded state and the unfolded state, there is a deviation between the position where the support member contacts the third display area and the position where the third display area that is bent under the drive of the first display area and the second display area contacts the support member.
  • the support member is prone to generate pulling stress on the first display screen, and the first display screen is at a greater risk of falling off due to being pulled.
  • FIG. 7 is a partial schematic diagram of another hinge assembly provided in an embodiment of the present application in a folded state.
  • each rotating mechanism 220 further includes a first swinging member 600 and a second swinging member 700.
  • One end of the supporting member 400 away from the main shaft mechanism 210 is rotatably connected to the connecting member 500.
  • One end of the first swinging member 600 is rotatably connected to the main shaft mechanism 210, the other end of the first swinging member 600 is rotatably connected to one end of the second swinging member 700, and the other end of the second swinging member 700 is slidably connected to the supporting member 400, so that the supporting member 400 can move toward or away from the main shaft mechanism 210 under the drive of the connecting member 500.
  • the support member 400 and the connecting member 500 can be rotatably connected via a physical axis, and the support member 400 can rotate relative to the connecting member 500 around the physical axis.
  • the support member 400 and the connecting member 500 can also be rotatably connected via an arc arm and a corresponding slide groove for defining a virtual axis, and the support member 400 can rotate relative to the connecting member 500 around the virtual axis.
  • one of the support member 400 and the connecting member 500 is provided with a third connecting axis, and the other of the support member 400 and the connecting member 500 is provided with a mounting hole corresponding to the third connecting axis.
  • the support member 400 and the connecting member 500 are rotatably connected via the third connecting axis and the mounting hole, and the support member 400 can rotate relative to the connecting member 500 around the third connecting axis (not shown).
  • the first swing member 600 and the spindle mechanism 210 can be connected to each other through a physical axis, and the first swing member 600 can rotate around the physical axis relative to the spindle mechanism 210.
  • the first swing member 600 and the spindle mechanism 210 can also be connected to each other through an arc arm for defining a virtual axis and a corresponding
  • the first swing member 600 is rotatably connected with the slide groove, and the first swing member 600 can rotate relative to the spindle mechanism 210 around the virtual axis.
  • a second arc-shaped slide arm is provided on one of the first swing member 600 and the spindle mechanism 210, and a second arc-shaped slide groove corresponding to the second arc-shaped slide arm is provided on the other of the first swing member 600 and the spindle mechanism 210.
  • the second arc-shaped slide arm is slidably assembled in the second arc-shaped slide groove, so that the first swing member 600 is rotatably connected with the spindle mechanism 210, and the first swing member 600 can rotate relative to the spindle mechanism 210 around the virtual axis defined by the second arc-shaped slide groove and the second arc-shaped slide arm (not shown).
  • the second arc-shaped slide groove can be a quarter arc groove, a third arc groove, a half arc groove, etc.
  • the second arc-shaped slide arm can be a quarter arc arm, a third arc arm, a half arc arm, etc.
  • the first swing member 600 and the second swing member 700 can be rotatably connected via a physical axis, and the second swing member 700 can rotate relative to the first swing member 600 around the physical axis.
  • the first swing member 600 and the second swing member 700 can also be rotatably connected via an arc arm and a corresponding slide groove for defining a virtual axis, and the second swing member 700 can rotate relative to the first swing member 600 around the virtual axis.
  • one of the first swing member 600 and the second swing member 700 is provided with a third arc slide arm
  • the other of the first swing member 600 and the second swing member 700 is provided with a third arc slide groove corresponding to the third arc slide arm
  • the third arc slide arm is slidably assembled in the third arc slide groove, so that the first swing member 600 and the second swing member 700 are rotatably connected, and the second swing member 700 can rotate relative to the first swing member 600 around the virtual axis defined by the third arc slide groove and the third arc slide arm (not shown).
  • the third arc-shaped sliding groove can be a quarter arc groove, a third arc groove, a half arc groove, etc.
  • the third arc-shaped sliding arm can be a quarter arc arm, a third arc arm, a half arc arm, etc.
  • a sliding rod may be provided on the second swinging member 700, and the supporting member 400 may have a sliding hole corresponding to the sliding rod, and the sliding rod is slidably assembled in the sliding hole, so that the second swinging member 700 is slidably connected to the supporting member 400 (not shown).
  • Fig. 8 is a schematic diagram of the assembly of the first swing member and the second swing member with the main shaft mechanism and the support member in the unfolded state of another hinge assembly provided by an embodiment of the present application.
  • Fig. 9 is a schematic diagram of the assembly of the first swing member and the second swing member with the main shaft mechanism and the support member in the folded state of another hinge assembly provided by an embodiment of the present application.
  • a first limiting structure 910 is provided at the rotational connection between the first swing member 600 and the main shaft mechanism 210, so that the first swing member 600 can rotate between the first limiting position and the second limiting position relative to the main shaft mechanism 210.
  • a second limiting structure 920 is provided at the rotational connection between the first swing member 600 and the second swing member 700, so that the second swing member 700 can rotate between the third limiting position and the fourth limiting position relative to the first swing member 600.
  • the hinge assembly 200 switches to the unfolded state
  • the first swing member 600 rotates to the first limiting position relative to the main shaft mechanism 210
  • the second swing member 700 rotates to the third limiting position relative to the first swing member 600, so that the main shaft mechanism 210 supports the support member 400 in the unfolded position through the first swing member 600 and the second swing member 700.
  • the first swing member 600 rotates to the second limit position relative to the main shaft mechanism 210
  • the second swing member 700 rotates to the fourth limit position relative to the first swing member 600, so that the main shaft mechanism 210 supports the support member 400 in the folding position through the first swing member 600 and the second swing member 700.
  • the hinge assembly 200 when the hinge assembly 200 is in an intermediate state between the folded state and the unfolded state, the first swinging member 600 and the main shaft mechanism 210 can rotate forward and backward, and the second swinging member 700 and the first swinging member 600 can rotate forward and backward.
  • the support member 400 connected to the main shaft mechanism 210 through the first swinging member 600 and the second swinging member 700 is in an under-constrained state, and the support member 400 is pressed by the third display area 313 that is bent under the drive of the first display area 311 and the second display area 312 and moves.
  • the position of the support member 400 is controlled by the third display area 313 that is bent under the drive of the first display area 311 and the second display area 312.
  • the support member 400 moves with the deformation of the third display area 313.
  • the pulling stress generated by the support member 400 on the first display screen 310 can be reduced, and the risk of the first display screen 310 falling off due to being pulled can be reduced.
  • the main shaft mechanism 210 can support the support member 400 through the first swing member 600 and the second swing member 700, and the position of the support member 400 when the foldable electronic device is in the folded state and the unfolded state can be limited, which is conducive to controlling the position of the plane used to support the first display screen 310 when the hinge assembly 200 is in the unfolded state, so as to control the form of the screen space formed by the main shaft mechanism 210 and the support members 400 on both sides thereof when the hinge assembly 200 is in the folded state, and the foldable electronic device has better support for the first display screen 310 when it is in the folded state and the unfolded state, and the display effect of the first display screen 310 is better.
  • the unfolded position of the support member 400 refers to the position of the support member 400 when the foldable electronic device is in the unfolded state.
  • the folded position of the support member 400 refers to the position of the support member 400 when the foldable electronic device is in the folded state.
  • the support member 400 is in an under-constrained state, which means that the support member 400 can rotate freely relative to the spindle mechanism 210.
  • the support member 400 can be freely rotated relative to the spindle mechanism 210 due to the deformation of the third display area 313.
  • the structure 210 rotates.
  • the direction in which the first swing member 600 rotates relative to the spindle mechanism 210 is called the third direction
  • the direction in which the second swing member 700 rotates relative to the first swing member 600 is called the fourth direction.
  • the first swing member 600 After the first swing member 600 rotates to the first limit position relative to the spindle mechanism 210, the first swing member 600 can no longer rotate in the first direction relative to the spindle mechanism 210, and the first swing member 600 can rotate in the third direction relative to the spindle mechanism 210. After the first swing member 600 rotates to the second limit position relative to the spindle mechanism 210, the first swing member 600 can no longer rotate in the third direction relative to the spindle mechanism 210, and the first swing member 600 can rotate in the first direction relative to the spindle mechanism 210.
  • the second swing member 700 After the second swing member 700 rotates to the third limit position relative to the first swing member 600, the second swing member 700 can no longer rotate in the second direction relative to the first swing member 600, and the second swing member 700 can rotate in the fourth direction relative to the first swing member 600. After the second swing member 700 rotates to the fourth limit position relative to the first swing member 600, the second swing member 700 can no longer rotate in the fourth direction relative to the first swing member 600, and the second swing member 700 can rotate in the second direction relative to the first swing member 600.
  • the first direction is opposite to the third direction
  • the second direction is opposite to the fourth direction.
  • the first limiting structure 910 may include a first arc-shaped slider provided on the first swinging member 600 and a first limiting slot provided on the spindle mechanism 210, wherein the first limiting slot is an arc-shaped slot, the first arc-shaped slider is slidably assembled in the first limiting slot, the virtual axis defined by the first arc-shaped slider and the first limiting slot is coaxial with the rotation axis of the first swinging member 600 relative to the spindle mechanism 210, the arc length of the first limiting slot is greater than the arc length of the first arc-shaped slider, both ends of the first limiting slot are sealing structures, and when the first swinging member 600 rotates to the first limiting position relative to the spindle mechanism 210, one end of the first arc-shaped slider abuts against one end of the first limiting slot. When the first swinging member 600 rotates to the second limiting position relative to the spindle mechanism 210, the other end of the first arc-shaped slider abuts against
  • the second limiting structure 920 may include a second arc-shaped slider provided on one of the first swing member 600 and the second swing member 700 and a second limiting slot provided on the other of the first swing member 600 and the second swing member 700.
  • the second limiting slot is an arc-shaped slot.
  • the second arc-shaped slider is slidably assembled in the second limiting slot.
  • the virtual axis defined by the second arc-shaped slider and the second limiting slot is coaxial with the rotation axis of the second swing member 700 relative to the first swing member 600.
  • the arc length of the second limiting slot is greater than the arc length of the second arc-shaped slider. Both ends of the second limiting slot are sealing structures.
  • FIG. 10 is a schematic diagram of the assembly of a first swinging member and a main shaft mechanism of another hinge assembly provided in an embodiment of the present application.
  • the first limiting structure 910 includes a first limiting block 911 provided on the first swinging member 600 and a second limiting block 912 provided on the spindle mechanism 210, and the second limiting block 912 is located on the rotation path of the first limiting block 911.
  • the first swinging member 600 rotates to the first limiting position relative to the spindle mechanism 210
  • one end of the first limiting block 911 abuts against one end of the second limiting block 912.
  • the other end of the first limiting block 911 abuts against the other end of the second limiting block 912.
  • the first swing member 600 is easier to assemble with the spindle mechanism 210, and the first limiting structure 910 is simple to cooperate with, which can conveniently limit the rotation of the first swing member 600 relative to the spindle mechanism 210 between the first limiting position and the second limiting position.
  • first limit block 911 there is a space between at least one end of the first limit block 911 and the end corresponding to the second limit block 912 for the first limit block 911 to rotate.
  • first limit block 911 when the foldable electronic device is in the folded state and the unfolded state, there is a space between one end of the first limit block 911 and the end corresponding to the second limit block 912 for the first limit block 911 to rotate, and the other end of the first limit block 911 abuts against the end corresponding to the second limit block 912.
  • the foldable electronic device is in an intermediate state between the folded state and the unfolded state, there is a space between both ends of the first limit block 911 and the end corresponding to the second limit block 912 for the first limit block 911 to rotate.
  • the first limiting block 911 and the second limiting block 912 may be a cubic structure, a columnar structure, a terrace structure or other irregular structures.
  • the first limit block 911 and the second limit block 912 are both fan-shaped structures whose axes coincide with the rotation axis of the first swing member 600 rotating relative to the spindle mechanism 210.
  • the rotation axis of the first swing member 600 rotating relative to the spindle mechanism 210 is located on the plane where the end face of the first limit block 911 that is used to abut against the second limit block 912 is located, and the rotation axis of the first swing member 600 rotating relative to the spindle mechanism 210 is located on the plane where the end face of the second limit block 912 that is used to abut against the first limit block 911 is located.
  • first limit block 911 and the second limit block 912 are in contact with each other more firmly, and the first swing member 600 rotates relative to the main shaft mechanism 210.
  • the spindle mechanism 210 can provide relatively stable support for the first swing member 600.
  • the first limit block 911 and the second limit block 912 of the fan ring structure have high structural strength and are not easily damaged when pressed against each other.
  • the first swing member 600 is provided with a first sleeve 620
  • the spindle mechanism 210 is provided with a first notch 212 corresponding to the first sleeve 620
  • a first connecting shaft 211 parallel to the axial direction of the spindle mechanism 210 is provided in the first notch 212
  • the first sleeve 620 is sleeved on the first connecting shaft 211 in the corresponding first notch 212, and is rotatably connected with the first connecting shaft 211 in the corresponding first notch 212, so that the first swing member 600 is rotatably connected with the spindle mechanism 210.
  • the first limit block 911 is provided on the end surface of the first sleeve 620
  • the second limit block 912 is provided on the inner wall of the first notch 212.
  • the first swinging member 600 is easier to assemble with the spindle mechanism 210 , and the first limit block 911 and the second limit block 912 are easier to dispose.
  • the first stopper 911 may be an integral structure with the first sleeve 620 .
  • the second stopper 912 may be an integral structure with the inner wall of the first notch 212 .
  • the second stopper 912 may be an integral structure with the first connecting shaft 211, and the second stopper 912 protrudes from the outer wall of the first connecting shaft 211. In this way, the size of the first notch 212 is reduced to improve the strength of the spindle mechanism 210.
  • the first swinging member 600 is provided with two coaxial first sleeves 620 spaced apart along the axial direction of the spindle mechanism 210.
  • a first stop block 911 is provided on the end surface of each first sleeve 620, and a second stop block 912 is provided on the inner wall of each first notch 212.
  • the spindle mechanism 210 supports the first swing member 600 more stably.
  • the rotation of the first swing member 600 relative to the spindle mechanism 210 is also more stable.
  • Figure 11 is a schematic diagram of the assembly of the second swing member and the first swing member of another hinge assembly provided in an embodiment of the present application.
  • Figure 12 is a schematic diagram of the assembly of the second swing member and the first swing member of another hinge assembly provided in an embodiment of the present application.
  • the second limiting structure 920 includes a third limiting block 921 provided on the first swinging member 600 and a fourth limiting block 922 provided on the second swinging member 700, and the fourth limiting block 922 is located on the rotation path of the third limiting block 921.
  • the second swinging member 700 rotates to the third limiting position relative to the first swinging member 600
  • one end of the third limiting block 921 abuts against one end of the fourth limiting block 922.
  • the other end of the third limiting block 921 abuts against the other end of the fourth limiting block 922.
  • the second swing member 700 and the first swing member 600 are easier to assemble, and the limiting cooperation of the second limiting structure 920 is simple, which can conveniently achieve the limitation of the rotation of the second swing member 700 relative to the first swing member 600 between the third limiting position and the fourth limiting position.
  • the third limiting block 921 and the fourth limiting block 922 may be a cubic structure, a columnar structure, a terrace structure or other irregular structures.
  • the third limit block 921 and the fourth limit block 922 can both be fan-shaped structures whose axes coincide with the rotation axis of the second swing member 700 relative to the first swing member 600.
  • the rotation axis of the second swing member 700 relative to the first swing member 600 can be located on the plane where the end face of the third limit block 921 that is used to abut against the fourth limit block 922 is located, and the rotation axis of the second swing member 700 relative to the first swing member 600 can also be located on the plane where the end face of the fourth limit block 922 that is used to abut against the third limit block 921 is located.
  • the third limit block 921 and the fourth limit block 922 are in a relatively stable abutment, and when the second swing member 700 rotates to the third limit position and the fourth limit position relative to the first swing member 600, the first swing member 600 can provide relatively stable support for the second swing member 700.
  • the third limit block 921 and the fourth limit block 922 of the fan ring structure have high structural strength, and the third limit block 921 and the fourth limit block 922 are not easily damaged when they are pressed against each other.
  • a second sleeve 720 may be provided on one of the first swinging member 600 and the second swinging member 700, and a second notch 630 corresponding to the second sleeve 720 is provided on the other of the first swinging member 600 and the second swinging member 700, and a second connecting shaft 610 parallel to the axial direction of the spindle mechanism 210 is provided in the second notch 630, and the second sleeve 720 is sleeved on the second connecting shaft 610 in the corresponding second notch 630 and is rotatably connected with the second connecting shaft 610 in the corresponding second notch 630, so that the second swinging member 700 and the first swinging member 700 can be connected.
  • the swing member 600 is rotatably connected.
  • One of the third limiting block 921 and the fourth limiting block 922 is disposed on the end surface of the second sleeve 720 , and the other of the third limiting block 921 and the fourth limiting block 922 is disposed on the inner wall of the second notch 630 .
  • the second swing member 700 and the first swing member 600 are easier to assemble, and the third limiting block 921 and the fourth limiting block 922 are easier to dispose.
  • the second sleeve 720 can be provided on the first swing member 600, and in this case, the second swing member 700 is provided with a second notch 630 corresponding to the second sleeve 720.
  • the second sleeve 720 can also be provided on the second swing member 700, and in this case, the first swing member 600 is provided with a second notch 630 corresponding to the second sleeve 720.
  • the second sleeve 720 is disposed on the second swinging member 700 , and a second notch 630 corresponding to the second sleeve 720 is formed on the first swinging member 600 .
  • the third limit block 921 or the fourth limit block 922 provided on the second sleeve 720 is an integral structure with the second sleeve 720
  • the third limit block 921 or the fourth limit block 922 provided on the inner wall of the second notch 630 is an integral structure with the inner wall of the second notch 630 .
  • the third limit block 921 or the fourth limit block 922 provided on the inner wall of the second notch 630 may be an integral structure with the second connecting shaft 610, and the third limit block 921 or the fourth limit block 922 provided on the inner wall of the second notch 630 protrudes from the outer wall of the second connecting shaft 610. In this way, the size of the second notch 630 is reduced.
  • one of the third limit block 921 and the fourth limit block 922 is provided at both opposite ends of the second sleeve 720, and the other of the third limit block 921 and the fourth limit block 922 is provided on the inner walls on both opposite sides of the second notch 630.
  • a side surface of the support member 400 is provided with a clearance groove 430 for the second swing member 700 to swing.
  • the first swinging member 600 is a bending member with an obtuse angle, and the distance from the end of the first swinging member 600 connected to the spindle mechanism 210 to the angle of the first swinging member 600 is greater than the distance from the end of the first swinging member 600 connected to the second swinging member 700 to the angle of the first swinging member 600.
  • FIG. 13 is a schematic diagram of the assembly of a second swinging member and a supporting member of another hinge assembly provided in an embodiment of the present application.
  • a first linear slide groove 420 is provided on one of the second swinging member 700 and the supporting member 400, and a first sliding portion 710 that slidably cooperates with the first linear slide groove 420 is provided on the other of the second swinging member 700 and the supporting member 400.
  • the second swinging member 700 is slidably connected to the supporting member 400 through the first linear slide groove 420 and the first sliding portion 710.
  • the first linear slide groove 420 includes a first planar groove wall and a second planar groove wall that are opposite to each other, and the first sliding portion 710 includes a first sliding plane and a second sliding plane that are opposite to each other, the first planar groove wall is in surface contact with the first sliding plane, and the second planar groove wall is in surface contact with the second sliding plane.
  • a low-side constraint is formed between the second swinging member 700 and the supporting member 400, and there is only one degree of freedom between the two, which is sliding along the first linear slide groove 420, which is conducive to the supporting member 400 driving the second swinging member 700 to rotate, so that when the foldable electronic device is in the folded state and the unfolded state, the first limiting structure 910 and the second limiting structure 920 are in the limiting state, so that the main shaft mechanism 210 can support the supporting member 400 through the first swinging member 600 and the second swinging member 700.
  • the support for the supporting member 400 is stable, which is conducive to the protection of the first display screen 310.
  • first linear slide 420 can be provided on the second swing member 700, in which case the corresponding first sliding portion 710 is provided on the support member 400.
  • the first linear slide 420 can also be provided on the support member 400, in which case the corresponding first sliding portion 710 is provided on the second swing member 700.
  • the first sliding part 710 can be an integral structure with the second swinging member 700 or the supporting member 400 where it is located. In this way, the connection strength between the first sliding part 710 and the second swinging member 700 or the supporting member 400 where it is located is high, and the first sliding part 710 is not easy to fall off.
  • the first sliding portion 710 may be in a prismatic or block-shaped structure, and the cross-section of the first sliding portion 710 may be in a triangular, trapezoidal, rectangular, etc.
  • the inner cavity shape of the first linear slide groove 420 corresponds to the first sliding portion 710 .
  • first planar groove wall of the first linear groove 420 is parallel to the second planar groove wall
  • first sliding plane of the first sliding portion 710 is parallel to the second sliding plane
  • the first sliding portion 710 slides stably in the first linear slide groove 420, and the second swinging member 700 and the supporting member 400 are
  • the connection strength is high and the two are not easy to fall off.
  • the first sliding portion 710 is a cubic structure.
  • At least two opposite first linear slide grooves 420 may be provided on the support member 400, at least a portion of the second swing member 700 is located between the two opposite first linear slide grooves 420, and first sliding portions 710 that slidably cooperate with the adjacent first linear slide grooves 420 are respectively provided on both sides of the second swing member 700.
  • At least two opposing protrusions 410 may be provided on one side surface of the support member 400 , and a first linear sliding groove 420 is formed on the protrusion 410 .
  • the first linear slide 420 is convenient to be opened, and the setting position of the first linear slide 420 is also more flexible. In addition, it is also more convenient to assemble the first sliding part 710 into the first linear slide 420.
  • both ends of the first linear slide groove 420 pass through the protrusion 410 where the first linear slide groove 420 is located.
  • the first sliding part 710 is convenient to assemble.
  • the first sliding part 710 can be partially located outside the first linear slide groove 420, which is conducive to shortening the length of the first linear slide groove 420 and reducing the size of the protrusion 410.
  • the sliding parts on both sides of the second swing member 700 and the part between the sliding parts on both sides are in a cubic structure as a whole. In this way, the size and weight of the second swing member 700 are small.
  • Figure 14 is a schematic diagram of the assembly of a support member and a connecting member of another hinge assembly provided in an embodiment of the present application.
  • Figure 15 is a schematic diagram of the connection between a support member and a connecting member of another hinge assembly provided in an embodiment of the present application switching between an unfolded state and a folded state.
  • one of the support member 400 and the connecting member 500 is provided with a first arc-shaped sliding arm 450
  • the other of the support member 400 and the connecting member 500 is provided with a first arc-shaped sliding groove 520 corresponding to the first arc-shaped sliding arm 450
  • the first arc-shaped sliding arm 450 is slidably assembled in the corresponding first arc-shaped sliding groove 520, so that the support member 400 and the connecting member 500 are rotatably connected, and the support member 400 can rotate relative to the connecting member 500 around the virtual axis defined by the first arc-shaped sliding arm 450 and the first arc-shaped sliding groove 520. In this way, the assembly of the support member 400 and the connecting member 500 is facilitated.
  • first arc-shaped slide groove 520 can be a quarter arc groove, a third arc groove, a half arc groove, etc.
  • first arc-shaped slide arm 450 can be a quarter arc arm, a third arc arm, a half arc arm, etc.
  • the first arc-shaped sliding arm 450 is in surface contact with the groove wall of the first arc-shaped sliding groove 520. In this way, the rotation of the supporting member 400 and the connecting member 500 is relatively stable.
  • the end surfaces of both ends of the connecting member 500 may be provided with a first arc-shaped sliding groove 520. In this way, the support member 400 and the connecting member 500 are more convenient to assemble, and the rotation connection between the support member 400 and the connecting member 500 is more stable.
  • At least one end of the first arc-shaped slide groove 520 passes through the connecting member 500. In this way, it is convenient to assemble the first arc-shaped slide arm 450 into the corresponding first arc-shaped slide groove 520. In addition, when the first arc-shaped slide arm 450 slides in the first arc-shaped slide groove 520, the first arc-shaped slide arm 450 can be partially located outside the first arc-shaped slide groove 520, which is conducive to shortening the length of the first arc-shaped slide groove 520.
  • Figure 16 is a schematic diagram of the assembly of a third swinging member and a connecting member of another hinge assembly provided in an embodiment of the present application.
  • Figure 17 is a schematic diagram of the assembly of a third swinging member and a main shaft mechanism of another hinge assembly provided in an embodiment of the present application.
  • each rotating mechanism 220 further includes a third swinging member 800.
  • One end of the third swinging member 800 is rotationally connected to the spindle mechanism 210, and the other end of the third swinging member 800 is slidably connected to the connecting member 500, so that the connecting member 500 is rotationally connected to the spindle mechanism 210, and the connecting member 500 can move toward or away from the spindle mechanism 210 during the process of rotating relative to the spindle mechanism 210.
  • connection between the connecting member 500 and the main shaft mechanism 210 can be easily realized, and the connecting member 500 can move toward or away from the main shaft mechanism 210 during the rotation relative to the main shaft mechanism 210 .
  • the third swing member 800 and the spindle mechanism 210 can be rotationally connected via a physical axis, and the third swing member 800 can rotate around the physical axis relative to the spindle mechanism 210.
  • the third swing member 800 and the spindle mechanism 210 can also be rotationally connected via an arc arm and a corresponding slide groove for defining a virtual axis, and the third swing member 800 can rotate around the virtual axis relative to the spindle mechanism 210.
  • one of the third swing member 800 and the spindle mechanism 210 is provided with a fourth arc slide arm
  • the other of the third swing member 800 and the spindle mechanism 210 is provided with a fourth arc slide groove corresponding to the fourth arc slide arm
  • the fourth arc slide arm is slidably assembled in the fourth arc slide groove, so as to
  • the third swing member 800 is rotatably connected to the spindle mechanism 210, and the third swing member 800 can rotate relative to the spindle mechanism 210 around a virtual axis defined by the fourth arc-shaped slide groove and the fourth arc-shaped slide arm (not shown).
  • the fourth arc-shaped slide groove can be a quarter arc groove, a third arc groove, a half arc groove, etc.
  • the fourth arc-shaped slide arm can be a quarter arc arm, a third arc arm, a half arc arm, etc.
  • the third swinging members 800 located on both sides of the main shaft mechanism 210 can be connected by transmission via a gear set 830 .
  • the two rotating mechanisms 220 on both sides of the main shaft mechanism 210 can rotate synchronously, which is beneficial to the switching of the hinge assembly 200 between the unfolded state and the folded state, and the foldable electronic device can be unfolded and folded more conveniently.
  • the third swing member 800 is rotationally connected to the spindle mechanism 210 via a fourth connecting shaft (not shown), and the third swing member 800 can rotate around the fourth connecting shaft relative to the spindle mechanism 210 .
  • the gear group 830 may include an even number of transmission gears 831, each transmission gear 831 is rotatably connected to the main shaft mechanism 210, and two adjacent transmission gears 831 are meshed.
  • the third swinging member 800 of the rotating mechanism 220 on both sides of the main shaft mechanism 210 is respectively located on both sides of the gear group 830, and one end of the third swinging member 800 has a meshing tooth 820, and the third swinging member 800 is meshed with its adjacent transmission gear 831 through the meshing tooth 820 at its end.
  • the connecting member 500 located on one side of the main shaft mechanism 210 can drive the third swinging member 800 on that side to swing, thereby driving the third swinging member 800 and the connecting member 500 located on the other side of the main shaft mechanism 210 to swing, thereby facilitating the unfolding and folding of the foldable electronic device.
  • the axis of the transmission gear 831 extends along the axial direction of the main shaft mechanism 210 .
  • a second linear slide groove 510 is provided on one of the third swinging member 800 and the connecting member 500, and a second sliding portion 810 is provided on the other of the third swinging member 800 and the connecting member 500.
  • the second sliding portion 810 is slidably assembled in the second linear slide groove 510, and the third swinging member 800 and the connecting member 500 are slidably connected via the second linear slide groove 510 and the second sliding portion 810.
  • the third swing member 800 and the connecting member 500 can be conveniently connected by sliding.
  • the second linear slide 510 can be provided on the third swing member 800, in which case the corresponding second sliding portion 810 is provided on the connecting member 500.
  • the second linear slide 510 can also be provided on the connecting member 500, in which case the corresponding second sliding portion 810 is provided on the third swing member 800.
  • the second sliding part 810 can be an integral structure with the third swinging member 800 or the connecting member 500 where it is located. In this way, the connection strength between the second sliding part 810 and the third swinging member 800 or the connecting member 500 where it is located is high, and the second sliding part 810 is not easy to fall off.
  • the second sliding portion 810 may be in a prismatic or block-shaped structure, and the cross-section of the second sliding portion 810 may be in a triangular, trapezoidal, rectangular, etc.
  • the inner cavity shape of the second linear slide groove 510 corresponds to the second sliding portion 810 .
  • At least two opposite second linear grooves 510 are provided on the connecting member 500, at least a portion of the third swinging member 800 is located between the two opposite second linear grooves 510, and second sliding portions 810 that slidably cooperate with the second linear grooves 510 adjacent to the third swinging member 800 are respectively provided on both sides.
  • both ends of the second linear slide groove 510 pass through the connecting member 500 .
  • part of the second sliding part 810 can extend out of the second linear slide 510, which is conducive to shortening the length of the second linear slide 510.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
  • installed should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.

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

Abstract

L'invention concerne un ensemble charnière (200) et un dispositif électronique pliable. Un élément de support (400) de l'ensemble charnière (200) est relié à un mécanisme d'arbre principal (210) au moyen d'un premier élément oscillant (600) et d'un second élément oscillant (700) qui sont en liaison rotative ; le premier élément oscillant (600) est en liaison rotative avec le mécanisme d'arbre principal (210) ; et le second élément oscillant (700) est en liaison coulissante avec l'élément de support (400). L'ensemble charnière (200) comprend en outre une première structure de limitation (910) et une seconde structure de limitation (920), et la première structure de limitation (910) et la seconde structure de limitation (920) permettent au mécanisme d'arbre principal (210) de l'ensemble charnière (200) de supporter l'élément de support (400) au moyen du premier élément oscillant (600) et du second élément oscillant (700) lorsque le dispositif électronique pliable est dans un état plié et un état déplié.
PCT/CN2023/120097 2022-10-09 2023-09-20 Ensemble charnière et dispositif électronique pliable WO2024078285A1 (fr)

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Application Number Priority Date Filing Date Title
CN202211226313.XA CN117889139A (zh) 2022-10-09 2022-10-09 铰链组件及可折叠的电子设备
CN202211226313.X 2022-10-09

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WO2024078285A1 true WO2024078285A1 (fr) 2024-04-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021143674A (ja) * 2020-03-10 2021-09-24 スタッフ株式会社 電子機器の二軸式ヒンジ機構
CN113719525A (zh) * 2021-07-16 2021-11-30 昆山玮硕恒基智能科技股份有限公司 一种旋转铰链、折叠机壳和电子设备
CN114338865A (zh) * 2020-09-30 2022-04-12 华为技术有限公司 一种折叠装置及可折叠电子设备
CN216951254U (zh) * 2022-03-16 2022-07-12 北京小米移动软件有限公司 铰链组件和折叠式电子设备
CN218934999U (zh) * 2022-10-09 2023-04-28 华为技术有限公司 铰链组件及可折叠的电子设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021143674A (ja) * 2020-03-10 2021-09-24 スタッフ株式会社 電子機器の二軸式ヒンジ機構
CN114338865A (zh) * 2020-09-30 2022-04-12 华为技术有限公司 一种折叠装置及可折叠电子设备
CN113719525A (zh) * 2021-07-16 2021-11-30 昆山玮硕恒基智能科技股份有限公司 一种旋转铰链、折叠机壳和电子设备
CN216951254U (zh) * 2022-03-16 2022-07-12 北京小米移动软件有限公司 铰链组件和折叠式电子设备
CN218934999U (zh) * 2022-10-09 2023-04-28 华为技术有限公司 铰链组件及可折叠的电子设备

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