WO2023279504A1 - 铰链、柔性显示面板及电子装置 - Google Patents

铰链、柔性显示面板及电子装置 Download PDF

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Publication number
WO2023279504A1
WO2023279504A1 PCT/CN2021/116016 CN2021116016W WO2023279504A1 WO 2023279504 A1 WO2023279504 A1 WO 2023279504A1 CN 2021116016 W CN2021116016 W CN 2021116016W WO 2023279504 A1 WO2023279504 A1 WO 2023279504A1
Authority
WO
WIPO (PCT)
Prior art keywords
support plate
rotating
flexible
display panel
fixing
Prior art date
Application number
PCT/CN2021/116016
Other languages
English (en)
French (fr)
Inventor
江国宝
Original Assignee
武汉华星光电半导体显示技术有限公司
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 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/605,247 priority Critical patent/US20230007797A1/en
Publication of WO2023279504A1 publication Critical patent/WO2023279504A1/zh

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • 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
    • F16C2229/00—Setting preload
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • 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
    • F16C2380/00—Electrical apparatus

Definitions

  • the invention relates to the field of display technology, in particular to a hinge, a flexible display panel and an electronic device.
  • the flexible display panels used in foldable electronic devices are relatively light and thin, and their bending resistance and impact resistance are poor, and they lack support for the flexible part of the flexible display panel, which is prone to cracking in the process of repeated bending and flattening. Irreversible creases will not only affect the flatness of the flexible display panel, but also greatly reduce the display effect of the flexible display panel.
  • Embodiments of the present application provide a hinge, a flexible display panel and an electronic device, which are used to solve the problem of creases in the flexible part of the existing flexible display panel.
  • An embodiment of the present application provides a flexible display panel, including:
  • a flexible display panel body including a flexible portion
  • hinges including:
  • the support member includes a first support plate, the first support plate is located between the flexible part and the movement mechanism, and the first support plate is connected to the movement mechanism so as to be driven by the movement mechanism to approach or away from the fixed bracket;
  • the first support plate when the flexible part is in a flat state, the first support plate is away from the fixed bracket and supports the flexible part; when the flexible part is in a bent state, the first support plate is close to the fixed bracket stand.
  • the movement mechanism includes:
  • a moving block the moving block is movably connected to the rotating mechanism, and the first support plate is connected to the moving block.
  • the rotating mechanism includes:
  • the second rotating mechanism is rotatably connected to the fixed bracket and arranged opposite to the first rotating mechanism
  • the moving block is movably connected to the first rotating mechanism and the second rotating mechanism.
  • the fixed bracket is provided with a first chute, and the moving block is slidably installed in the first chute;
  • a protrusion is provided on the wall surface of the first chute, a groove is provided on the moving block, and the protrusion is slidably accommodated in the groove.
  • the first rotating mechanism includes a first rotating member and a first transmission member
  • the second rotating mechanism includes a second rotating member and a second transmission member
  • the first rotating member is rotatably connected to the fixed bracket, the first transmission member is fixedly connected to the first rotating member, and the first transmission member is movably connected to the moving block;
  • the second rotating member is rotatably connected to the fixed bracket, the second transmission member is fixedly connected to the second rotating member, and the second transmission member is movably connected to the moving block.
  • the first transmission member includes a first gear
  • the second transmission member includes a second gear
  • the moving block includes a rack
  • the first gear is sleeved on the first rotating member
  • the second gear is sleeved on the second rotating member
  • both the first gear and the second gear are meshed with the rack .
  • the moving block includes a base portion, the rack is disposed outside the base portion, and the base portion and the rack are integrally formed.
  • the first transmission member includes a first connecting rod
  • the second transmission member includes a second connecting rod
  • one end of the first connecting rod is fixedly connected to the first rotating member, the other end of the first connecting rod is rotatably connected to the moving block, and one end of the second connecting rod is fixedly connected to the The other end of the second rotating member and the second link is rotatably connected to the moving block.
  • the hinge further includes a fixing mechanism, and the fixing mechanism includes a first fixing member and a first elastic member;
  • the first fixing member passes through the fixing bracket and is fixedly connected to the first support plate, one end of the first elastic member is connected to the fixing bracket, and the other end of the first elastic member is connected to on the first fixing member;
  • the first elastic member When the flexible portion is in the flat state or the curved state, the first elastic member is in an elastically deformed state.
  • the fixing bracket includes a fixing block, and the fixing block includes a body part and a first connecting part and a second connecting part extending from opposite sides of the body part, and the body part is provided with There are vias;
  • the first rotating part passes through the first connecting part
  • the second rotating part passes through the second connecting part
  • the first fixing part passes through the through hole and is fixedly connected to the The first support plate
  • the one end of the first elastic member is connected to the inner wall of the body part surrounding the via hole.
  • the hinge further includes a holding mechanism, and the holding mechanism includes a first holding arm, a second holding arm, and a first holding piece, and the first holding piece is provided with a first protrusion and a second holding piece.
  • the first holding arm is provided with a first groove
  • the second holding arm is provided with a second groove;
  • the first holding arm is connected to the first rotating member
  • the second holding arm is connected to the second rotating member
  • the first rotating member and the second rotating member are rotatably connected to the first holder
  • the first groove accommodates the first protrusion
  • the second groove accommodates the second protrusion
  • the holding mechanism further includes a second holding member, the second holding member is provided with a third protrusion and a fourth protrusion, the first holding arm is provided with a third groove, The second holding arm is provided with a fourth groove;
  • the third groove accommodates the third protrusion
  • the fourth groove accommodates the fourth protrusion
  • the holding mechanism further includes a second elastic member, a third elastic member, a fourth elastic member, a fifth elastic member and a first limiting member;
  • the second elastic member and the third elastic member are sleeved on the first rotating member, and the second elastic member is clamped between the first holding member and the first connecting part, The third elastic member is clamped between the second holding member and the first limiting member; the fourth elastic member and the fifth elastic member are sleeved on the second rotating member, so The fourth elastic member is clamped between the first retainer and the first connecting portion, and the fifth elastic member is clamped between the second retainer and the first limiting member.
  • the support member further includes a second support plate and a third support plate
  • the flexible display panel main body includes a first portion and a second portion located on opposite sides of the flexible portion
  • the second support plate is connected to the first holding arm to move under the driving of the first holding arm
  • the third support plate is connected to the second holding arm to move in the second holding arm. Driven by the arm to move, the second support plate supports the first part, and the third support plate supports the second part.
  • the hinge further includes a second fixing member and a third fixing member, the second support plate is provided with a second slide groove, the third support plate is provided with a third slide groove, the The second fixing piece passes through the second chute and is fixedly connected to the first holding arm, and the third fixing piece passes through the third chute and is fixedly connected to the second holding arm;
  • the position of the second fixing part in the second chute is the same as when the flexible part is in the bending state, the position of the second fixing part in the The position in the second chute is different; when the flexible part is in the flat state, the position of the third fixing member in the third chute is different from that when the flexible part is in a bent state.
  • the positions of the third fixing parts in the third slide grooves are different.
  • An embodiment of the present application provides an electronic device, including a flexible display panel, where the flexible display panel includes:
  • a flexible display panel body including a flexible portion
  • hinges including:
  • the support member includes a first support plate, the first support plate is located between the flexible part and the movement mechanism, and the first support plate is connected to the movement mechanism so as to be driven by the movement mechanism to approach or away from the fixed bracket;
  • the first support plate when the flexible part is in a flat state, the first support plate is away from the fixed bracket and supports the flexible part; when the flexible part is in a bent state, the first support plate is close to the fixed bracket stand.
  • the embodiment of the present application also provides a hinge, including:
  • the supporting member includes a first supporting plate connected to the moving mechanism so as to approach or move away from the fixed bracket driven by the moving mechanism.
  • the movement mechanism includes a rotation mechanism and a movement block
  • a moving block the moving block is movably connected to the rotating mechanism, and the first support plate is connected to the moving block.
  • the rotating mechanism includes:
  • the first rotating mechanism includes a first rotating member and a first transmission member
  • the second rotating mechanism includes a second rotating member and a second transmission member
  • the first rotating member is rotatably connected to the fixed bracket
  • the first transmission member is fixedly connected to the first rotating member
  • the second rotating member is rotatably connected to the fixed bracket
  • the second transmission member is fixedly connected to the second rotating member
  • the moving block is movably connected to the first transmission member and the second transmission member.
  • the embodiments of the present application provide a hinge, a flexible display panel, and an electronic device.
  • the electronic device includes a flexible display panel.
  • the flexible display panel includes a flexible display panel body and a hinge.
  • the flexible display panel body includes a flexible part.
  • the hinge includes a fixed bracket, a rotating mechanism, and a support member.
  • the kinematic mechanism is movably connected to the fixed bracket.
  • FIG. 1 is a schematic diagram of the structure of the front and back of an electronic device provided in an embodiment of the present application in a flat state;
  • FIG. 2 is a schematic structural diagram of an electronic device provided in an embodiment of the present application in a folded state
  • FIG. 3 is an exploded schematic diagram of an electronic device provided in an embodiment of the present application.
  • Fig. 4 is a schematic structural diagram of the first hinge provided in the embodiment of the present application.
  • Fig. 5 is an exploded schematic view of the first hinge provided in the embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of the first moving block and the first fixed bracket provided by the embodiment of the present application;
  • Fig. 7 is a schematic diagram of the unfolding process of the first hinge provided by the embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a fixing mechanism provided in an embodiment of the present application.
  • Fig. 9 is an exploded schematic view of the first holding mechanism provided in the embodiment of the present application.
  • Fig. 10 is a schematic structural diagram of the second support plate and the third support plate provided by the embodiment of the present application.
  • Fig. 11 is a schematic diagram of the movement of the second support plate and the third support plate provided by the embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of a second hinge provided in the embodiment of the present application.
  • Fig. 13 is an exploded schematic diagram of the second hinge provided by the embodiment of the present application.
  • Fig. 14 is a schematic structural diagram of the second type of moving block and the first fixed bracket provided by the embodiment of the present application;
  • Fig. 15 is a schematic structural diagram of the first rotating member and the second rotating member in the second type of hinge provided by the embodiment of the present application;
  • Fig. 16 is a schematic diagram of the unfolding process of the second type of hinge provided by the embodiment of the present application.
  • the embodiment of the present application provides a hinge 2 , a flexible display panel 100 and an electronic device 1000 , the electronic device 1000 includes the flexible display panel 100 , and the flexible display panel 100 includes the hinge 2 .
  • the electronic device 1000 may be a mobile terminal, such as a smart phone, a tablet computer, a notebook computer, etc., and the electronic device 1000 may also be a wearable terminal, such as a smart watch, a smart bracelet, smart glasses, an augmented reality equipment, etc., the electronic device 1000 may also be a fixed terminal, such as a desktop computer, a television, and the like.
  • a mobile terminal such as a smart phone, a tablet computer, a notebook computer, etc.
  • the electronic device 1000 may also be a wearable terminal, such as a smart watch, a smart bracelet, smart glasses, an augmented reality equipment, etc.
  • the electronic device 1000 may also be a fixed terminal, such as a desktop computer, a television, and the like.
  • FIG. 1 is a schematic structural view of the front and back of the electronic device provided by the embodiment of the present application in a flat state
  • Figure 2 is a schematic structural view of the electronic device provided by the embodiment of the present application in a folded state
  • FIG. 3 is an exploded schematic diagram of an electronic device provided by an embodiment of the present application
  • the electronic device 1000 includes a flexible display panel 100, a first housing 200, a second housing 300, a first backplane 400, and a second backplane 500 and the third housing 600 .
  • the flexible display panel 100 includes a flexible display panel body 1, the flexible display panel body 1 includes a flexible portion 101 and a first portion 102 and a second portion 103 located on opposite sides of the flexible portion 101, the flexible portion 101 is a flexible display panel body 1 can The part that is folded.
  • the first part 102 may be disposed on at least a portion of the front side of the first case 200
  • the second part 103 may be disposed on at least a portion of the front side of the second case 300 .
  • the first backplane 400 is arranged on the side of the first casing 200 away from the flexible display panel 100
  • the second backplane 500 is arranged on the side of the second casing 300 away from the flexible display panel 100
  • the first casing 200 and the second There may be a separate space in the housing 300 , and the space may accommodate electronic components in the electronic device, such as a motherboard, a printed circuit board, and a battery, etc., which are required to drive the flexible display panel 100 .
  • the electronic device 1000 may have at least one rotation axis for folding the electronic device 1000.
  • the first direction x represents a direction perpendicular to the rotation axis
  • the second direction y represents a direction parallel to the rotation axis.
  • the three directions z represent a thickness direction of the electronic device 1000, and a display surface of the electronic device may be defined by a first direction x and a second direction y.
  • the flexible display panel 100 further includes a hinge 2 , the hinge 2 includes a first hinge 2 a and a second hinge 2 b, and the first hinge 2 a and the second hinge 2 b are respectively disposed at opposite ends of the third casing 600 .
  • Both the first hinge 2a and the second hinge 2b include a fixed bracket 10 and a moving mechanism 20, the moving mechanism 20 is movably connected to the fixed bracket 10, the first hinge 2a and the second hinge 2b can be arranged on the first housing 200 and the second hinge Between the two casings 300 .
  • the kinematic mechanism 20 in the first hinge 2a and the second hinge 2b is respectively connected with the first casing 200 and the second casing 300, and the kinematic mechanism 20 can be configured so that the first casing 200 and the second casing 300 are connected to each other.
  • the second direction y is parallel and the two axes of rotation spaced apart in the first direction x rotate.
  • first hinge 2a and the second hinge 2b have the same structure and the same movement process.
  • each schematic diagram only takes the structure of the first hinge 2a as an example for illustration, and details will not be repeated here.
  • the structures of the first hinge 2 a and the second hinge 2 b may also be different, but it is necessary that the first hinge 2 a and the second hinge 2 b can make the first housing 200 and the second housing 300 rotate synchronously.
  • the flat state may mean that the electronic device 1000 is fully unfolded, and the front side of the first casing 200 and the front side of the second casing 300 may form a plane, so that the front side of the first casing 200 and the front side of the second casing 300 may form a plane.
  • a state where an angle of about 180 degrees is formed between the front sides of the second housing 300 .
  • the folded state includes a fully folded state and a transitional folded state.
  • the fully folded state may refer to that the electronic device 1000 is completely folded, and the front side of the first housing 200 and the front side of the second housing 300 may face each other, so that the front side of the first housing 200
  • the state where an angle of about 0 degrees is formed between the front side and the front side of the second housing 300, the transitional folded state may refer to any transitional state between the flat state and the fully folded state of the electronic device 1000, the first housing 200 An included angle is formed between the front side and the front side of the second housing 300 approximately greater than 0 degrees and less than 180 degrees.
  • the third case 600 may be disposed between the first case 200 and the second case 300 , and the third case 600 may cover the outside of the hinge 2 and protect the hinge 2 .
  • the space between the side of the first housing 200 and the side of the second housing 300 can be gradually narrowed, and the opposite side of the third housing 600 can be inserted.
  • the third case 600 may be covered by the first backplane 400 and the second backplane 500 and not exposed to the outside.
  • the space between the sides of the first housing 200 and the sides of the second housing 300 can gradually become wider, and the third housing 600 can be covered by the first housing 600 .
  • the body 200 and the second case 300 are gradually exposed.
  • at least a part of the third housing 600 may be exposed to the outside from between the side of the first housing 200 and the side of the second housing 300, and the first back plate 400 and the second housing 300 may be exposed to the outside.
  • the second back plate 500 can still cover some remaining parts of the third housing 600 .
  • the hinge 2 also includes a support member 30, the support member 30 includes a first support plate 31, the first support plate 31 is located between the flexible part 101 and the movement mechanism, the first support plate 31 is connected to the movement mechanism, so as to be driven by the movement mechanism Close to or away from the fixed bracket 10.
  • the flexible portion 101 When the electronic device 1000 is in a flat state, the flexible portion 101 is also in a flat state, and the first support plate 31 is away from the fixed bracket 10 and supports the flexible portion 101. At this time, the flexible portion 101 is supported by the first support plate 31, and the first portion 102 and the second part 103 are respectively supported by the front sides of the first housing 200 and the second housing 300, and the first support plate 31 can reduce the step difference between the flexible part 101 and the first part 102 and the second part 103, Therefore, the flatness of the flexible display panel 100 can be improved, and the creases of the flexible part 101 can be reduced.
  • the flexible portion 101 When the electronic device 1000 is in the folded state, the flexible portion 101 is in a bent state, and the first support plate 31 is close to the fixing bracket 10, so as to allow space for accommodating the flexible portion 101, and avoid the flexible portion 101 being subjected to the second shock during the bending process. Extrusion of a support plate 31.
  • the flexible portion 101 when the electronic device 1000 is in the folded state, the flexible portion 101 is in a bent state, and there is a gap between the first support plate 31 and the flexible portion 101, so as to ensure that the first support plate 31 is used to accommodate the flexible portion 101
  • the space is larger than the deformation amount of the flexible part 101, so as to prevent the flexible part 101 from being squeezed by the first support plate 31 when it is in the folded state.
  • Figure 4 is a schematic structural view of the first hinge provided by the embodiment of the present application
  • Figure 12 is a schematic structural view of the second hinge provided by the embodiment of the present application
  • the motion mechanism 20 includes The rotating mechanism and the moving block 23 , the rotating mechanism is rotatably connected to the fixed bracket 10 , the moving block 23 is movably connected to the rotating mechanism, and the first support plate 31 is connected to the moving block 23 .
  • the rotating mechanism includes a first rotating mechanism 21 and a second rotating mechanism 22 , the first rotating mechanism 21 and the second rotating mechanism 22 are respectively movably connected to the fixed bracket 10 , and the first rotating mechanism 21 and the second rotating mechanism 22 are oppositely arranged.
  • the rotation axis includes a first axis L1 and a second axis L2, the first axis L1 and the second axis L2 are parallel to the second direction y and spaced apart in the first direction x, and the first rotating mechanism 21 can rotate around the first axis L1 , the second rotating mechanism 22 can rotate around the second axis L2.
  • the first rotating mechanism 21 and the second rotating mechanism 22 have the same structure. In practical applications, the structures of the first rotating mechanism 21 and the second rotating mechanism 22 may be the same or different, which is not limited here.
  • the moving block 23 is movably connected to the first rotating mechanism 21 and the second rotating mechanism 22. During the folding or unfolding process of the electronic device 1000, the moving block 23 is only along the third direction z or the direction opposite to the third direction z. Movement, so that the first rotating mechanism 21 and the second rotating mechanism 22 can keep moving synchronously.
  • the first rotating mechanism 21 includes a first rotating member 211 and a first transmission member 212, the first rotating member 211 is rotatably connected to the fixed bracket 10, the first transmission member 212 is fixedly connected to the first rotating member 211, and the first transmission member 212 is movably connected to the moving block 23 .
  • the second rotating mechanism 22 includes a second rotating member 221 and a second transmission member 222, the second rotating member 221 is rotatably connected to the fixed bracket 10, the second transmission member 222 is fixedly connected to the second rotating member 221, and the second transmission member 222 is movably connected to the moving block 23 .
  • Figure 5 is an exploded schematic diagram of the first hinge provided in the embodiment of the present application
  • Figure 6 is the first moving block and the first fixed hinge provided in the embodiment of the present application.
  • Schematic diagram of the structure of the bracket the first transmission member 212 includes a first gear 213, the first gear 213 is sleeved on the first rotation member 211, the second transmission member 222 includes a second gear 223, and the second gear 223 is sleeved on the second rotation Part 221.
  • the fixing bracket 10 includes a first fixing bracket 11 , and the first fixing bracket 11 is provided with a first shaft hole 111 and a second shaft hole 112 spaced apart in a first direction x.
  • the first rotating member 211 includes a first rotating shaft 214 .
  • the axis of the first rotating shaft 214 coincides with the first axis L1 .
  • the first rotating shaft 214 passes through the first shaft hole 111 and can rotate relative to the first fixing bracket 11 .
  • the first gear 213 is sheathed on the first rotating shaft 214 along the first axis L1 and is fixedly connected with the first rotating shaft 214 .
  • the second rotating member 221 includes a second rotating shaft 224 , the axis of the second rotating shaft 224 coincides with the second axis L2 , the second rotating shaft 224 passes through the second shaft hole 112 , and can rotate relative to the first fixing bracket 11 .
  • the second gear 223 is sheathed on the second shaft 224 along the second axis L2 and is fixedly connected with the second shaft 224 .
  • connection manners of the first gear 213 and the first shaft 214 and the connection manners of the second gear 223 and the second shaft 224 include but not limited to key connection or interference fit connection.
  • the moving block 23 includes a base portion 231 and a rack 232 disposed outside the base portion 231 .
  • the rack 232 includes a first rack 232a and a second rack 232b, the first rack 232a and the second rack 232b are located on opposite sides of the base portion 231, the first gear 213 meshes with the first rack 232a, and the second gear 223 meshes with the second rack 232b.
  • the base part 231 and the rack 232 are integrally formed, so that the number of components in the hinge 2 can be reduced, thereby reducing the difficulty of assembling the hinge 2 .
  • the base part 231 and the rack 232 can also be two independent components, and the rack 232 can be fixedly connected to the base part 231 by means including but not limited to gluing, snapping or screwing.
  • Fig. 9 is an exploded schematic diagram of the first type of holding structure provided by the embodiment of the present application.
  • the first type of hinge 2 provided by the embodiment of the present application also includes a holding mechanism 24, and the holding mechanism 24 It includes a first holding arm 241 and a second holding arm 242.
  • the first holding arm 241 includes a first body part 2410 and a fifth cam C5 protruding from the same side of the first body part 2410 in the first direction x and arranged at intervals.
  • the seventh cam C7, the fifth cam C5 and the seventh cam C7 are all provided with shaft holes, the fifth cam C5 and the seventh cam C7 are sleeved on the first rotating shaft 214, and are fixedly connected with the first rotating shaft 214, the first The holding arm 241 can rotate around the first axis L1 and drive the first rotating shaft 214 to rotate synchronously.
  • the second holding arm 242 includes a second body portion 2420 and a sixth cam C6 and an eighth cam C8 protruding from the same side of the second body portion 2420 in a direction opposite to the first direction x and spaced apart.
  • the sixth cam C6 The sixth cam C6 and the eighth cam C8 are sleeved on the second rotating shaft 224 and are fixedly connected with the second rotating shaft 224.
  • the second holding arm 242 can rotate around the second axis L2 Rotate and drive the second rotating shaft 224 to rotate synchronously.
  • Figure 7 is a schematic diagram of the unfolding process of the first hinge provided by the embodiment of the present application, from left to right, the hinge is unfolded from a fully folded state to a flat state, and the folding or unfolding process of the hinge is reversible, From right to left, it can be seen that the hinge is folded from a flat state to a fully folded state.
  • the first holding arm 241 drives the first rotating shaft 214 to rotate around the first axis L1 in the direction indicated by the arrow, the first gear 213 rotates in the same direction as the first rotating shaft 214, and the second holding arm 242 drives the first rotating shaft 214 to rotate in the direction indicated by the arrow.
  • the second rotating shaft 224 rotates around the second axis L2 in the direction indicated by the arrow, and the second gear 223 rotates in the same direction as the second rotating shaft 224 .
  • the moving block 23 moves linearly along the third direction z under the meshing action of the gear and the rack.
  • the moving block 23 During the movement of the moving block 23 along the third direction z, the moving block 23 is in contact with the first support plate 31, and applies a force parallel to the third direction z to the first support plate 31, driving the first support plate 31 and The moving block 23 moves in the same direction.
  • the first holding arm 241 drives the first rotating shaft 214 to rotate around the first axis L1 in the direction opposite to that indicated by the arrow, the first gear 213 rotates in the same direction as the first rotating shaft 214, and the second holding arm 242
  • the second rotating shaft 224 is driven to rotate around the second axis L2 in a direction opposite to that indicated by the arrow, and the second gear 223 follows the second rotating shaft 224 to rotate in the same direction.
  • the moving block 23 moves in the direction opposite to the third direction z
  • the first support plate 31 also moves in the direction opposite to the third direction z.
  • the moving block 23 always moves linearly along the third direction z or the direction opposite to the third direction z, and the meshing speed of the first gear 213 and the first rack 232a is the same as that of the second gear 223 and the second gear 232a.
  • the meshing speeds of the two racks 232b are the same, so that the rotation speeds of the first gear 213 and the second gear 223 are the same, so that the first rotating mechanism 21 and the second rotating mechanism 22 rotate synchronously.
  • the first transmission member 212 includes a first connecting rod 215, the first connecting rod 215 One end is fixedly connected to the first rotating member 211 , and the other end of the first connecting rod 215 is movably connected to the moving block 23 .
  • the second transmission member 222 includes a second connecting rod 225 , one end of the second connecting rod 225 is fixedly connected to the second rotating member 221 , and the other end of the second connecting rod 225 is rotatably connected to the moving block 23 .
  • FIG. 14 is a schematic structural diagram of the second type of moving block and the first fixed bracket provided by the embodiment of the present application.
  • the fixed bracket 10 includes a first fixed bracket 11, and the first fixed bracket 11 includes a bracket main body. 110 and the first bracket connecting portion 113 and the third bracket connecting portion 115 protruding from the bracket main body 110 in a direction opposite to the first direction x and spaced apart along the second direction y, and from the bracket main body 110 along the first
  • the second bracket connecting portion 114 and the fourth bracket connecting portion 116 protrude in the direction x and are arranged at intervals along the second direction y.
  • the first bracket connecting portion 113 is provided with a first shaft hole 111
  • the second bracket connecting portion 114 is provided with a second shaft hole 112
  • the third bracket connecting portion 115 and the fourth bracket connecting portion 116 are also provided with shaft holes.
  • the second type of hinge 2 provided by the embodiment of the present application also includes a holding mechanism 24 .
  • the holding mechanism 24 includes a first holding arm 241 and a second holding arm 242 .
  • the first holding arm 241 includes a first body part 2410
  • the seventh connecting portion 2412 of the fifth cam C5 protrudes from the same side of the first body portion 2410 in the first direction x and is spaced apart.
  • the fifth cam C5 is sleeved on the first rotating shaft 214 and can be relatively When a rotating shaft 214 rotates, the seventh connecting portion 2412 defines a first escape groove 2413 , and shaft holes are formed on both side walls of the first escape groove 2413 .
  • the second holding arm 242 includes a second body part 2420 and a sixth cam C6 and an eighth connecting part 2422 protruding from the same side of the second body part 2420 in a direction opposite to the first direction x and spaced apart.
  • the sixth cam C6 Sleeved on the second shaft 224 and can rotate relative to the second shaft 224 , the eighth connecting portion 2422 defines a second escape groove 2423 , and shaft holes are provided on both side walls of the second escape groove 2423 .
  • the moving block 23 includes a base portion 231 and a first extension portion 235 and a second extension portion 236 connected to opposite sides of the base portion 231.
  • the first extension portion 235 and the second extension portion 236 each include a Two opposite extension plates extending in the direction x or in a direction opposite to the first direction x.
  • first connecting rod 215 is fixedly connected to the first rotating member 211, and the other end of the first connecting rod 215 is rotatably connected between the two extension plates of the first extension part 235 of the moving block 23, and the second connecting rod 225
  • One end of the second connecting rod 225 is fixedly connected to the second rotating member 221 , and the other end of the second connecting rod 225 is rotatably connected between two extension plates of the second extension part 236 of the moving block 23 .
  • the first extension part 235 includes two opposite and spaced first extension plates 235a and second extension plates 235b, the first extension plate 235a and the second extension plate 235b are provided with coaxial shaft holes, the second extension The portion 236 includes two third extension plates 236a and fourth extension plates 236b that are opposite and spaced apart. The third extension plates 236a and the fourth extension plates 236b are both provided with coaxial shaft holes.
  • FIG. 15 is a structural schematic diagram of the first rotating member and the second rotating member in the second type of hinge provided by the embodiment of the present application.
  • the first rotating member 211 includes a first rotating shaft 214, a third rotating shaft 216, and a fifth rotating shaft 217.
  • the axis of the first rotating shaft 214 coincides with the first axis L1.
  • the first rotating shaft 214 passes through the first bracket connecting portion 113, the second Three bracket connecting parts 115 and the fifth cam C5; both ends of the first connecting rod 215 are provided with shaft holes, and the first end of the first connecting rod 215 extends into the first end of the seventh connecting part 2412 of the first holding arm 241.
  • the third rotating shaft 216 passes through the first end of the first connecting rod 215 and the seventh connecting portion 2412 of the first holding arm 241, the first holding arm 241 can rotate relative to the third rotating shaft 216, the first The connecting rod 215 is fixedly connected with the third rotating shaft 216 .
  • the second end of the first link 215 extends between the first extension plate 235a and the second extension plate 235b of the first extension portion 235 of the moving block 23, and the fifth rotating shaft 217 passes through the second end of the first link 215. and the first extension part 235 , the first connecting rod 215 can rotate relative to the fifth rotating shaft 217 , and the moving block 23 is fixedly connected with the fifth rotating shaft 217 .
  • the second rotating member 221 includes a second rotating shaft 224, a fourth rotating shaft 226, and a sixth rotating shaft 227.
  • the axis of the second rotating shaft 224 coincides with the second axis L2.
  • the second end of the second link 225 extends between the third extension plate 236a and the fourth extension plate 236b of the second extension portion 236 of the moving block 23, and the sixth rotating shaft 227 passes through the second end of the second link 225. and the second extension part 236 , the second connecting rod 225 can rotate relative to the sixth rotating shaft 227 , and the moving block 23 is fixedly connected with the sixth rotating shaft 227 .
  • FIG. 16 is a schematic diagram of the unfolding process of the second hinge provided by the embodiment of the present application.
  • the first holding arm 241 drives the third rotating shaft 216 around the first axis L1 Rotate in the direction of the arrow shown in the figure, the third rotating shaft 216 drives the first connecting rod 215 to rotate around the fifth rotating shaft 217 in the direction of the arrow shown in the figure;
  • the second holding arm 242 drives the fourth rotating shaft 226 around the second axis L2 as shown in the figure
  • the fourth rotating shaft 226 drives the second connecting rod 225 to rotate around the sixth rotating shaft 227 in the direction of the arrow shown in the figure, and the moving block 23 is driven by the first connecting rod 215 and the second connecting rod 225 along the direction of the arrow shown in the figure.
  • the direction (that is, the third direction z) linear motion.
  • the moving block 23 contacts the first supporting plate 31 and applies a force in the same direction as the arrow in the figure to the first supporting plate 31 to drive the first supporting plate 31 and the moving block 23 Movement in the same direction.
  • the first holding arm 241 drives the third rotating shaft 216 to rotate around the first axis L1 in the direction opposite to the arrow shown in the figure, and the third rotating shaft 216 drives the first connecting rod 215 to rotate around the fifth rotating shaft 217 as shown in the figure.
  • the direction of the arrow shown in the figure rotates in the opposite direction; the second holding arm 242 drives the fourth rotating shaft 226 to rotate around the second axis L2 in the direction opposite to the direction of the arrow shown in the figure, and the fourth rotating shaft 226 drives the second connecting rod 225 to rotate around the sixth
  • the rotating shaft 227 rotates in the direction opposite to the arrow shown in the figure, and the moving block 23 is driven by the first connecting rod 215 and the second connecting rod 225 in the direction opposite to the direction of the arrow shown in the figure (that is, opposite to the third direction z). direction), the first support plate 31 and the moving block 23 move in the same direction.
  • the moving block 23 During the unfolding or folding process of the hinge, the moving block 23 always moves linearly along the third direction z or the direction opposite to the third direction z, so that the relative rotation angles of the first link 215 and the second link 225 can be kept consistent , so as to achieve the effect that the first rotating mechanism 21 and the second rotating mechanism 22 rotate synchronously.
  • the hinge 2 also includes a fixing mechanism 40.
  • the fixing mechanism 40 includes a first fixing member 41 and a first elastic member 42.
  • the first fixing member 41 passes through the fixing bracket 10 and is fixedly connected to the first support plate 31.
  • the first elastic member 42 One end is connected to the fixing bracket 10 , and the other end of the first elastic member 42 is connected to the first fixing member 41 .
  • the flexible portion 101 is in a flat state or a bent state
  • the first elastic member 42 is in an elastically deformed state.
  • FIG. 8 is a schematic structural diagram of the fixing mechanism provided in the embodiment of the present application.
  • the fixing bracket 10 in the first hinge provided in the embodiment of the present application also includes The fixed block 12, the fixed block 12 includes a body portion 120 and a first connecting portion 121 and a second connecting portion 122 extending from opposite sides of the body portion 120, the first rotating member 211 passes through the first connecting portion 121, the second The rotating member 221 passes through the second connecting portion 122 .
  • the body part 120 is provided with a via hole 123, the via hole 123 runs through the body part 120 in the third direction z, the first fixing part 41 passes through the via hole 123 and is fixedly connected to the first support plate 31, the first elastic part 42 One end of is connected to the inner wall of the body portion 120 surrounding the via hole 123 .
  • Both the first connecting part 121 and the second connecting part 122 are provided with a shaft hole, the first rotating shaft 214 passes through the shaft hole of the first connecting part 121, and can rotate relative to the fixed block 12, and the second rotating shaft 224 passes through the second connecting part 121.
  • the shaft hole of the part 122 can rotate relative to the fixed block 12 .
  • the fixing bracket 10 in the second type of hinge provided in the embodiment of the present application may not include the fixing block 12 , but the fixing mechanism 40 is directly connected to the first fixing bracket 11 .
  • Fig. 14 is a schematic structural diagram of the second type of moving block and the first fixed bracket provided by the embodiment of the present application.
  • the bracket main body 110 of the first fixing bracket 11 is provided with two spaced through holes 123 , and the two through holes 123 pass through the bracket main body 110 in the third direction z.
  • the fixing mechanism 40 includes two first fixing parts 41 and two first elastic parts 42.
  • the first fixing parts 41 pass through the first fixing bracket 11 through the holes 123 and are fixedly connected to the first support plate 31.
  • the first elastic parts One end of 42 is connected to the inner wall of the first fixing bracket 11 surrounding the through hole 123 .
  • the number of the first fixing member 41 and the first elastic member 42 included in the fixing mechanism 40 is not limited to 1 or 2 in the above-mentioned embodiment, but may also be 3 or more.
  • the first fixing member 41 can be a fixing screw, and the side of the first support plate 31 close to the fixing block 12 is provided with a protrusion protruding from the bottom surface of the first support plate 31 .
  • the column body 311 is provided with a threaded hole, and the column body 311 passes through the through hole 123 and is fixedly connected with the fixing screw by screwing.
  • the first elastic member 42 is a spring.
  • the first elastic member 42 is not limited to the above-mentioned spring, and may also be a steel plate, a rubber-plastic block or a plastic block with elastic deformation recovery capability.
  • the first elastic member 42 When the electronic device 1000 is in a fully folded state, the first elastic member 42 is in an elastically deformed state, that is, the spring is compressed, and a certain preload is applied to the first support plate 31 through the first elastic member 42 to prevent the electronic device 1000 from being fully folded.
  • the first support plate 31 and the fixing mechanism 40 shake.
  • the first rotating mechanism 21 and the second rotating mechanism 22 drive the moving block 23 to move along the third direction z, and the moving block 23 contacts the first support plate 31 during the movement, and
  • the support plate 31 exerts a thrust parallel to the third direction z, driving the first support plate 31 to move in the same direction as the moving block 23 , so that the first support plate 31 gradually moves away from the fixed bracket 10 .
  • the first fixing member 41 moves in the same direction as the first support plate 31, and the first elastic member 42 is squeezed by the first fixing member 41 and the fixing bracket 10, so that the elastic deformation of the first elastic member 42 is intensified, that is, the compression amount of the spring gradually increases. increase until the electronic device 1000 unfolds to a flat state.
  • the elastic deformation of the first elastic member 42 is greater than that in the folded state, that is, the compression amount of the spring in the flat state is greater than that in the folded state.
  • the first elastic member 42 exerts a pushing force opposite to the third direction z to the first fixing member 41, so that the first support plate 31 moves in the direction opposite to the third direction z and gradually approaches Fixed bracket 10.
  • a plurality of guide posts 312 are provided on the bottom surface of the first support plate 31, and a first guide groove G1 is provided on the first stopper 249 of the holding mechanism 24.
  • a guide groove G1 runs through the first limiting member 249 in the third direction z.
  • the second limiting member 13 is provided with a second guide groove G2, and the second guiding groove G2 penetrates the second limiting member 13 in the third direction z.
  • the guide posts 312 are slidably installed in the first guide groove G1 and the second guide groove G2 respectively.
  • the first support plate 31 can be restricted to move linearly only in the third direction z or in the direction opposite to the third direction z, preventing the first support The plate 31 shakes during the movement.
  • the number of guide posts 312 includes but is not limited to 1, 2 or 3 or more, and the position of the guide groove is not limited to the first limiter 249 and the second limiter 13, the guide groove can also be set on the first fixed bracket 11.
  • the moving block 23 is provided with a limiting slot 234
  • the end of the first support plate 31 close to the moving block 23 is provided with a limiting portion 313 corresponding to the limiting slot 234 .
  • the limiting part 313 can be engaged in the limiting groove 234, so as to prevent the first support plate 31 from rising too high due to the excessive travel of the moving block 23 and causing the flexible part 101 to protrude.
  • the plane on which the first part 102 and the second part 103 are located ensures the flatness of the flexible display panel 100 .
  • the position limiting slot 234 can also be used to fix the position of the first support plate 31 to prevent the first support plate 31 from shaking when the electronic device 1000 is in a flat state.
  • the fixed bracket 10 is provided with a first chute 14, and the moving block 23 is slidably installed in the first chute 14.
  • the wall surface of the first chute 14 is provided with a protrusion 141, and the moving block 23 is provided with a groove 233.
  • the lifter 141 is slidably received in the groove 233 .
  • the fixed bracket 10 in the first type of hinge provided by the embodiment of the present application includes a second stopper 13 , and the second stopper 13 has a direction along the first direction.
  • x protrudes from the two connecting parts of the body of the second limiting member 13, and shaft holes are provided on the two connecting parts, and the first rotating shaft 214 and the second rotating shaft 224 pass through the shaft holes respectively, and can be relatively
  • the two limiters 13 rotate.
  • the second limiting member 13 is engaged with the first fixing bracket 11 and forms a first sliding slot 14 with the first fixing bracket 11 .
  • the moving block 23 is slidably installed in the first chute 14, and can only move linearly in the first chute 14 along the third direction z or the direction opposite to the third direction z, thereby ensuring that the first rotating mechanism 21 and the second The rotating mechanism 22 can rotate synchronously, and avoids the jamming of the moving block 23 during the sliding process.
  • a protrusion 141 is provided on the side close to each other of the first fixing bracket 11 and the second limiting member 13, and a groove 233 is provided on the opposite sides of the base part 231 of the moving block 23, and the protrusion 141 141 is slidably received in the groove 233 .
  • the movement direction of the moving block 23 is further limited by the protrusion 141 to prevent the moving block 23 from deflecting left and right, thereby reducing the virtual position of the moving block 23 and the first chute 14, and increasing the movement of the moving block 23 during the movement. stability.
  • the first sliding slot 14 in the second type of hinge provided by the embodiment of the present application is formed on the bracket main body 110 of the first fixing bracket 11 , and the first sliding slot 14 is on the second hinge.
  • Three directions z pass through the bracket main body 110 , and the moving block 23 is slidably installed in the first slide slot 14 .
  • the opposite sides of the base part 231 of the moving block 23 are provided with two grooves 233 arranged at intervals, and the wall surfaces of the opposite sides of the first chute 14 are provided with two protrusions 141, and the protrusions 141 are accommodated in the recesses. Inside the groove 233.
  • the number of grooves 233 provided on the moving block 23 and the number of protrusions 141 on the wall surface of the first chute 14 can be set according to the size of the moving block 23 and the size of the first chute 14, The larger the size of the moving block 23 and the first chute 14 , the more grooves 233 and protrusions 141 are required, so as to improve the stability of the moving block 23 moving in the first chute 14 .
  • the number of grooves 233 provided on the moving block 23 and the number of protrusions 141 on the wall surface of the first chute 14 can be set according to actual conditions, and are not limited here.
  • the retaining mechanism 24 also includes a first retainer 243, the first retainer 243 is provided with a first protrusion C11 and a second protrusion C21, the first retainer arm 241 is provided with a first groove C52, and the second retainer arm 242 There is a second groove C62 on it, the first holding arm 241 is connected to the first rotating member 211, the second holding arm 242 is connected to the second rotating member 221, and the first rotating member 211 and the second rotating member 221 are rotatably connected. on the first holder 243 .
  • the first groove C52 accommodates the first protrusion C11
  • the second groove C62 accommodates the second protrusion C21.
  • the flexible portion 101 is in the In the other state of the flat state and the bent state, the first protrusion C11 is separated from the first groove C52, and the second protrusion C21 is separated from the second groove C62.
  • FIG. 9 is an exploded schematic view of the first holding mechanism provided in the embodiment of the present application.
  • the first holding member 243 is provided with a The first cam C1 and the second cam C2 on the opposite side of the main body.
  • the first cam C1 may include a plurality of first protrusions C11 protruding from the edge of the first cam C1 in a direction opposite to the second direction y, between adjacent first protrusions C11 A fifth groove C12 is provided, and the first rotating shaft 214 passes through the first cam C1 and can rotate relative to the first cam C1.
  • the second cam C2 may include a plurality of second protrusions C21, and the plurality of second protrusions C21 protrude from the edge of the second cam C2 in a direction opposite to the second direction y, and a plurality of second protrusions C21 are provided between adjacent second protrusions C21.
  • the fifth cam C5 of the first holding arm 241 may include a plurality of fifth protrusions C51 protruding from the edge of the fifth cam C5 in the second direction y, and first recesses are provided between adjacent fifth protrusions C51.
  • Slot C52, the first rotating shaft 214 passes through the fifth cam C5.
  • the sixth cam C6 of the second holding arm 242 may include a plurality of sixth protrusions C61 protruding from the edge of the sixth cam C6 in the second direction y, and a second recess is provided between adjacent sixth protrusions C61.
  • Slot C62, the second rotating shaft 224 passes through the sixth cam C6.
  • the holding mechanism 24 also includes a second holding piece 244, the second holding piece 244 is provided with a third protrusion C31 and a fourth protrusion C41, the first holding arm 241 is provided with a third groove C72, and the second holding arm 242 is provided with a third groove C72.
  • a fourth groove C82 is provided.
  • the third groove C72 accommodates the third protrusion C31
  • the fourth The groove C82 accommodates the fourth protrusion C41.
  • the fourth earthy C31 escapes from the third groove C72
  • the fourth protrusion C41 escapes from the fourth Groove C82.
  • the second holder 244 is provided with a third cam C3 and a fourth cam C4 protruding from the main body of the second holder 244 .
  • the third cam C3 may include a plurality of third protrusions C31 protruding from the edge of the third cam C3 in a direction opposite to the second direction y, and a seventh groove C32 is provided between adjacent third protrusions C31 , the first rotating shaft 214 passes through the third cam C3 and can rotate relative to the third cam C3.
  • the fourth cam C4 may include a plurality of fourth protrusions C41 protruding from the edge of the fourth cam C4 in a direction opposite to the second direction y, and an eighth groove C42 is provided between adjacent fourth protrusions C41 , the first rotating shaft 214 passes through the fourth cam C4 and can rotate relative to the fourth cam C4.
  • the seventh cam C7 of the first holding arm 241 may include a plurality of seventh protrusions C71 protruding from the edge of the seventh cam C7 in the second direction y, and a third recess is provided between adjacent seventh protrusions C71.
  • Slot C72, the first rotating shaft 214 passes through the seventh cam C7.
  • the eighth cam C8 of the second holding arm 242 may include a plurality of eighth protrusions C81 protruding from the edge of the eighth cam C8 in the second direction y, and a fourth recess is provided between adjacent eighth protrusions C81.
  • the slot C82, the second rotating shaft 224 passes through the eighth cam C8.
  • Each of the first protrusion C11 to the eighth protrusion C81 has a flat end, and the flat end has a sliding surface, which is an abutment surface of two inclined sides of each protrusion.
  • the holding mechanism 24 further includes a second elastic piece 245 , a third elastic piece 246 , a fourth elastic piece 247 , a fifth elastic piece 248 and a first limiting piece 249 .
  • the second elastic member 245 , the third elastic member 246 , the fourth elastic member 247 and the fifth elastic member 248 are all springs.
  • the first limiting member 249 includes a third connecting portion and a fourth connecting portion protruding from both sides of the main body of the first limiting member 249 in the first direction x, and the third connecting portion and the fourth connecting portion are both provided with shafts.
  • the first rotating shaft 214 passes through the third connecting portion, and the second rotating shaft 224 passes through the fourth connecting portion.
  • the second elastic member 245 and the third elastic member 246 are sleeved on the first rotating member 211, the second elastic member 245 is clamped between the first holder 243 and the first connecting part 121, and the third elastic member 246 is clamped on Between the second holding member 244 and the third connecting portion of the first limiting member 249; the fourth elastic member 247 and the fifth elastic member 248 are sleeved on the second rotating member 221, and the fourth elastic member 247 is clamped on the first Between the holding member 243 and the second connecting portion 122 , the fifth elastic member 248 is clamped between the second holding member 244 and the fourth connecting portion of the first limiting member 249 .
  • the flexible portion 101 When the electronic device 1000 is in a flat state or a fully folded state, the flexible portion 101 is in a flat state or a fully folded state, the first cam C1 is normally engaged with the fifth cam C5, the second cam C2 is normally engaged with the sixth cam C6, and the third cam C2 is normally engaged with the sixth cam C6.
  • the cam C3 is normally engaged with the seventh cam C7, and the fourth cam C4 is normally engaged with the eighth cam C8.
  • Ordinary engagement refers to, for example: the first protrusion C11 of the first cam C1 is accommodated in the first groove C52 of the fifth cam C5, and the fifth groove C12 accommodates the fifth protrusion C51; the second protrusion C51 of the second cam C2
  • the protrusion C21 is accommodated in the second groove C62 of the sixth cam C6, and the sixth groove C22 is accommodated in the sixth protrusion C61;
  • the third protrusion C31 of the third cam C3 is accommodated in the third groove of the seventh cam C7 C72, the seventh groove C32 accommodates the seventh protrusion C71;
  • the fourth protrusion C41 of the fourth cam C4 is accommodated in the fourth groove C82 of the eighth cam C8, and the eighth groove C42 accommodates the eighth protrusion C81.
  • the flexible portion 101 When the electronic device 1000 is in the transitional folded state, the flexible portion 101 is in a bent state, the first cam C1 is openly engaged with the fifth cam C5, the second cam C2 is openly engaged with the sixth cam C6, and the third cam C3 is openly engaged with the cam C7. , the fourth cam C4 is openly engaged with the eighth cam C8.
  • Open engagement means for example, that the first protrusion C11 of the first cam C1 breaks away from the first groove C52 of the fifth cam C5, and the sliding surface of the first protrusion C11 is in contact with the sliding surface of the fifth protrusion C51;
  • the second protrusion C21 of the cam C2 disengages from the second groove C62 of the sixth cam C6, and the sliding surface of the second protrusion C21 is in contact with the sliding surface of the sixth protrusion C61;
  • the third protrusion C31 of the third cam C3 disengages The third groove C72 of the seventh cam C7, the sliding surface of the third protrusion C31 is in contact with the sliding surface of the seventh protrusion C71;
  • the fourth protrusion C41 of the fourth cam C4 breaks away from the fourth groove of the eighth cam C8 C82, the sliding surface of the fourth protrusion C41 is in contact with the sliding surface of the eighth protrusion C81.
  • the first holding arm 241 rotates clockwise around the first axis L1
  • the second holding arm 242 rotates counterclockwise around the second axis L2
  • the cams engaged with each other are formed by Ordinary engagement gradually changes to open engagement
  • the first protrusion C11 gradually disengages from the first groove C52
  • the second protrusion C21 gradually disengages from the second groove C62
  • the third protrusion C31 gradually disengages from the third groove C72
  • the fourth protrusion C72 gradually disengages.
  • the lifting C41 gradually breaks away from the fourth groove C82.
  • the second elastic member 245 to the fifth elastic member 248 are all compressed, causing the elastic deformation of each elastic member to gradually increase.
  • the electronic device 1000 When the angle between the first part 102 and the second part 103 of the flexible display panel body is 0 degrees to 30 degrees, under the action of the extrusion force of each elastic member and the pressure angle of the cam, the electronic device 1000 will It can return to a flat state under the condition of external force.
  • the cams engaged with each other are turned into open engagement, the pressure angle of each cam is 0, and the angle between the first part 102 and the second part 103 of the flexible display panel body can be kept at 30° From 150 degrees to 150 degrees, the elastic deformation of each elastic member remains unchanged, and the electronic device 1000 can remain in the transitional folded state without external force.
  • the electronic device 1000 When the electronic device 1000 is folded from the transitional folded state to the fully folded state, the mutually engaged cams gradually change from open engagement to normal engagement, the first protrusion C11 is gradually accommodated in the first groove C52, and the second protrusion C21 Gradually accommodated in the second groove C62, the third protrusion C31 gradually accommodated in the third groove C72, the fourth protrusion C41 gradually accommodated in the fourth groove C82, the elastic deformation of each elastic member gradually decreases, when the flexible When the angle between the first part 102 and the second part 103 of the display panel body is 150 degrees to 180 degrees, under the action of the extrusion force of each elastic member and the pressure angle of the cam, the electronic device 1000 will Under certain circumstances, it can be automatically folded from a transitional folded state to a fully folded state.
  • the holding mechanism 24 may only include one holding piece and a pair of elastic pieces.
  • the holding mechanism 24 in the second type of hinge provided by the embodiment of the present application may include a first holding piece 243, a second elastic piece 245 and a fourth elastic piece 247, the first holding piece 243
  • the structure is the same as that of the first holding member 243 in FIG. 4 , and will not be repeated here.
  • the bottom surface of the bracket main body 110 of the first fixed bracket 11 is provided with a slot, the main body of the first holder 243 is engaged in the slot, and the first cam C1 and the second cam C2 of the first holder 243 protrude from the bracket.
  • the first cam C1 is located between the first bracket connecting portion 113 and the third bracket connecting portion 115
  • the second cam C2 is located between the second bracket connecting portion 114 and the fourth bracket connecting portion 116 .
  • the second elastic member 245 is clamped between the first cam C1 and the third bracket connecting portion 115
  • the fourth elastic member 247 is clamped between the second cam C2 and the fourth bracket connecting portion 116 .
  • the fifth cam C5 of the first holding arm 241 engages with the first cam C1 of the first holding member 243
  • the sixth cam C6 of the second holding arm 242 engages with the first cam C1 of the first holding member 243.
  • Two cams C2 are engaged.
  • the working principle of the holding mechanism 24 composed of the first holding arm 241 and the second holding arm 242, the first holding member 243, the second elastic member 245 and the fourth elastic member 247 is the same as that of the first hinge shown in FIG.
  • the working principle of the holding mechanism is the same, and can achieve similar technical effects to the holding mechanism in the first type of hinge shown in FIG. 4 , which will not be repeated here.
  • the number of retainers in the retaining mechanism 24 is not limited to 1 or 2 in the above-mentioned embodiments, and may also be 3 or 4 or more, and the number of elastic members needs to match the number of retainers. Quantity, for electronic devices with a larger size, the number of holders required is also greater.
  • the first type of hinge provided by the embodiment of the present application also includes a first limiting piece 251, a second limiting piece 252, a first fixing clip 253 and a second fixing clip 254, the first rotating shaft 214 passes through the first limiting member 249 at one end and is sequentially sleeved with a first limiting piece 251 and a first fixing clip 253, and one end of the second rotating shaft 224 passing through the first limiting member 249 is successively sleeved with a second limiting member.
  • the sheet 252 and the second fixing clip 254 are used to fix the first limiting member 249 and prevent the first rotating shaft 214 and the second rotating shaft 224 from detaching from the hinge.
  • Figure 10 is a schematic structural view of the second support plate and the third support plate provided by the embodiment of the present application
  • the support member 30 also includes a second support plate 32 and a third support plate 33, the second support plate 32
  • the third support plate 33 is connected to the second holding arm 242 to move under the driving of the second holding arm 242 .
  • the second support plate 32 is fixedly connected to the front side of the first housing 200 by screws, the second support plate 32 can be used to support the first part 102, and the third support plate 33 is fixed to the front side of the second housing 300 by screws In connection, the third support plate 33 can be used to support the second part 103 .
  • the second support plate 32 is provided with a second chute 321
  • the third support plate 33 is provided with a third chute 331
  • both of the second chute 321 and the third chute 331 are linear chute.
  • the first holding arm 241 includes a fifth connecting portion 2411 protruding from the first body portion 2410 in the direction opposite to the first direction x
  • the second holding arm 242 includes a fifth connecting portion 2411 protruding from the second body portion 2420 along the first direction x.
  • the sixth connecting portion 2421 , the fifth connecting portion 2411 and the sixth connecting portion 2421 are all provided with shaft holes.
  • the hinge 2 further includes a second fixing part 322 , a third fixing part 332 , a third fixing clip 323 and a fourth fixing clip 333 , and both the second fixing part 322 and the third fixing part 332 are pin shafts.
  • the second fixing member 322 passes through the second slide groove 321 and the shaft hole of the fifth connecting portion 2411, and is fixedly connected with the first holding arm 241.
  • One end of the second fixing member 322 passing through the fifth connecting portion 2411 is sleeved
  • Three fixing clips 323 the second fixing member 322 can slide and rotate relative to the second slide slot 321 .
  • the third fixing member 332 passes through the third sliding groove 331 and the shaft hole of the sixth connecting portion 2421 , and is fixedly connected with the second holding arm 242 , and one end of the third fixing member 332 passing through the sixth connecting portion 2421 is sleeved Four fixing clips 333 , the third fixing member 332 can slide and rotate relative to the third sliding groove 331 .
  • the hinge 2 also includes a first sliding block 36 and a second sliding block 37, the second fixed bracket 15 is provided with a fourth sliding slot 151 and a fifth sliding slot 152, and the first sliding block 36 can be slidably installed in the fourth sliding slot 151 Inside, the second sliding block 37 can be slidably installed in the fifth sliding groove 152 .
  • the first sliding block 36 is integrally formed with the second support plate 32
  • the second sliding block 37 is integrally formed with the third support plate 33 forming.
  • the first sliding block 36 and the second support plate 32 can be two independent parts, the first sliding The block 36 and the second support plate 32 can be fixedly connected by screw connection or clamping.
  • the second sliding block 37 and the third supporting plate 33 can be two independent components, and the second sliding block 37 and the third supporting plate 33 can be fixedly connected by screw connection or snap-fitting.
  • the position of the second fixing part 322 in the second chute 321 is different from that of the second fixing part 322 in the second chute 321 when the flexible part 101 is in a bent state;
  • the position of the third fixing part 332 in the third slide groove 331 is different from that when the flexible part 101 is in a bent state.
  • Figure 11 is a schematic diagram of the movement of the second support plate and the third support plate provided by the embodiment of the present application.
  • the third fixing member 332 is located at the end of the third sliding slot 331 close to the second fixing bracket 15 .
  • the second support plate 32 and the third support plate 33 respectively rotate in opposite directions in the directions of the arrows shown in the figure.
  • the second fixing member 322 drives the first holding arm 241 to rotate in the same direction. slide, and gradually move away from the second fixing bracket 15 .
  • the third fixing member 33 in the direction of the arrow shown in the figure the second holding arm 242 is driven to rotate in the same direction by the third fixing member 332, and the third fixing member 332 is in the third sliding groove 331 in the direction of the arrow shown in the drawing. slide, and gradually move away from the second fixing bracket 15 .
  • the flexible portion 101 When the electronic device 1000 is in a flat state, the flexible portion 101 is in a flat state, the second fixing member 322 is located at the end of the second chute 321 away from the second fixing bracket 15 , and the third fixing member 332 is located at the end of the third chute 331 away from the second One end of the fixed bracket 15.
  • the support member 30 also includes a fourth support plate 34 and a fifth support plate 35, the fourth support plate 34 is fixedly connected to the front side of the first housing 200 by screws, the fourth support plate 34 is connected to the second
  • the support plate 32 is on the same plane for supporting the first part 102;
  • the fifth support plate 35 is fixedly connected with the second housing 300 by screws, and the fifth support plate 35 is on the same plane as the third support plate 33 for supporting the second housing 300; Part II 103.
  • the embodiments of the present application provide a hinge, a flexible display panel, and an electronic device.
  • the electronic device includes a flexible display panel.
  • the flexible display panel includes a flexible display panel body and a hinge.
  • the flexible display panel body includes a flexible part.
  • the hinge includes a fixed bracket, a rotating mechanism, and a support member.
  • the kinematic mechanism is movably connected to the fixed bracket.

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Abstract

一种铰链（2）、柔性显示面板（100）及电子装置（1000），该电子装置（1000）包括柔性显示面板（100），柔性显示面板（100）包括柔性部（101）和铰链（2），铰链（2）包括固定支架（10）、转动机构和第一支撑板（31），当柔性部（101）处于平坦状态，第一支撑板（31）支撑柔性部（101），减轻柔性部（101）的折痕，当柔性部（101）处于弯曲状态，第一支撑板（31）远离柔性部（101），避免柔性显示面板（100）受到挤压。

Description

铰链、柔性显示面板及电子装置 技术领域
本发明涉及显示技术领域，尤其涉及一种铰链、柔性显示面板及电子装置。
 背景技术
随着显示技术的不断发展，为了满足不同的使用需求，各种具有不同特性的显示也应运而生。智能化、便携化、柔性化的发展趋势是当前电子装置的主要发展方向之一。柔性显示技术相对于传统的平板显示技术最突出的优势在于，突破了原有的二维显示的固有理念，将显示技术的应用领域拓展到更多的便携式的电子装置中。用户可以根据需要将具有柔性显示面板的电子装置进行折叠或者卷曲，以减小电子装置的尺寸，提高电子装置的便携性。
 技术问题
目前可折叠的电子设备采用的柔性显示面板相对轻薄，其耐弯折性能和抗冲击性能较差，并且缺少对柔性显示面板的柔性部的支撑，在反复弯折、展平的过程中容易产生不可逆转的折痕，不仅会影响柔性显示面板的平整性，还会导致柔性显示面板的显示效果大打折扣。
综上所述，现有柔性显示面板的柔性部存在折痕的问题。故，有必要提供一种显示面板及显示装置来改善这一缺陷。
 技术解决方案
本申请实施例提供一种铰链、柔性显示面板及电子装置，用于解决现有柔性显示面板的柔性部存在折痕的问题。
本申请实施例提供一种柔性显示面板，包括：
柔性显示面板主体，包括柔性部；以及
铰链，包括：
固定支架；
运动机构，所述运动机构可运动地连接于所述固定支架；以及
支撑件，包括第一支撑板，所述第一支撑板位于所述柔性部与所述运动机构之间，所述第一支撑板连接于所述运动机构以在所述运动机构的驱动下靠近或远离所述固定支架；
其中，当所述柔性部处于平坦状态时，所述第一支撑板远离所述固定支架并支撑所述柔性部；当所述柔性部处于弯曲状态时，所述第一支撑板靠近所述固定支架。
根据本申请一实施例，当所述柔性部处于所述弯曲状态时，所述第一支撑板与所述柔性部之间具有间隙。
根据本申请一实施例，所述运动机构包括：
转动机构，所述转动机构可转动地连接于所述固定支架；以及
运动块，所述运动块可运动地连接于所述转动机构，所述第一支撑板连接于所述运动块。
根据本申请一实施例，所述转动机构包括：
第一转动机构，可转动地连接于所述固定支架；以及
第二转动机构，可转动地连接于所述固定支架，与所述第一转动机构相对设置；
其中，所述运动块可运动地连接于所述第一转动机构和所述第二转动机构。
根据本申请一实施例，所述固定支架设有第一滑槽，所述运动块可滑动地安装于所述第一滑槽内；
其中，所述第一滑槽的壁面上设有凸起，所述运动块设有凹槽，所述凸起可滑动地收容于所述凹槽内。
根据本申请一实施例，所述第一转动机构包括第一转动件和第一传动件，所述第二转动机构包括第二转动件和第二传动件；
其中，所述第一转动件可转动地连接于所述固定支架，所述第一传动件固定连接于所述第一转动件，所述第一传动件可运动地连接于所述运动块；所述第二转动件可转动地连接于所述固定支架，所述第二传动件固定连接于所述第二转动件，所述第二传动件可运动地连接于所述运动块。
根据本申请一实施例，所述第一传动件包括第一齿轮，所述第二传动件包括第二齿轮，所述运动块包括齿条；
其中，所述第一齿轮套设于所述第一转动件，所述第二齿轮套设于所述第二转动件，所述第一齿轮和所述第二齿轮均啮合于所述齿条。
根据本申请一实施例，所述运动块包括基体部，所述齿条设置于所述基体部的外侧，所述基体部与所述齿条一体成型。
根据本申请一实施例，所述第一传动件包括第一连杆，所述第二传动件包括第二连杆；
其中，所述第一连杆的一端固定连接于所述第一转动件，所述第一连杆的另一端可转动地连接于所述运动块，所述第二连杆的一端固定连接于所述第二转动件，所述第二连杆的另一端可转动地连接于所述运动块。
根据本申请一实施例，所述铰链还包括固定机构，所述固定机构包括第一固定件和第一弹性件；
其中，所述第一固定件穿过所述固定支架并固定连接于所述第一支撑板，所述第一弹性件的一端连接于所述固定支架，所述第一弹性件的另一端连接于所述第一固定件；
当所述柔性部处于所述平坦状态或所述弯曲状态时，所述第一弹性件处于弹性变形状态。
根据本申请一实施例，所述固定支架包括固定块，所述固定块包括本体部及自所述本体部的相对两侧延伸出的第一连接部和第二连接部，所述本体部设有过孔；
其中，所述第一转动件穿过所述第一连接部，所述第二转动件穿过所述第二连接部，所述第一固定件穿过所述过孔并固定连接于所述第一支撑板，所述第一弹性件的所述一端连接于所述本体部的围绕所述过孔的内壁。
根据本申请一实施例，所述铰链还包括保持机构，所述保持机构包括第一保持臂、第二保持臂以及第一保持件，所述第一保持件上设有第一凸起和第二凸起，所述第一保持臂上设有第一凹槽，所述第二保持臂上设有第二凹槽；
其中，所述第一保持臂连接于所述第一转动件，所述第二保持臂连接于所述第二转动件，所述第一转动件和所述第二转动件可转动地连接于所述第一保持件；
其中，当所述柔性部处于所述平坦状态和所述弯曲状态中的一种状态时，所述第一凹槽***述第一凸起，所述第二凹槽***述第二凸起；当所述柔性部处于所述弯曲状态和所述平坦状态中的另一种状态时，所述第一凸起脱离所述第一凹槽，所述第二凸起脱离所述第二凹槽。
根据本申请一实施例，所述保持机构还包括第二保持件，所述第二保持件设有第三凸起和第四凸起，所述第一保持臂上设有第三凹槽，所述第二保持臂上设有第四凹槽；
其中，当所述柔性部处于所述平坦状态和所述弯曲状态中的一种状态时，所述第三凹槽***述第三凸起，所述第四凹槽***述第四凸起；当所述柔性部处于所述弯曲状态和所述平坦状态中的另一种时，所述第三凸起脱离所述第三凹槽，所述第四凸起脱离所述第四凹槽。
根据本申请一实施例，所述保持机构还包括第二弹性件、第三弹性件、第四弹性件、第五弹性件和第一限位件；
其中，所述第二弹性件和所述第三弹性件套设于所述第一转动件，所述第二弹性件夹持于所述第一保持件与所述第一连接部之间，所述第三弹性件夹持于所述第二保持件与所述第一限位件之间；所述第四弹性件和所述第五弹性件套设于所述第二转动件，所述第四弹性件夹持于所述第一保持件与所述第一连接部之间，所述第五弹性件夹持于所述第二保持件与所述第一限位件之间。
根据本申请一实施例，所述支撑件还包括第二支撑板和第三支撑板，所述柔性显示面板主体包括位于所述柔性部的相对两侧的第一部和第二部；
其中，所述第二支撑板连接于所述第一保持臂以在所述第一保持臂的驱动下运动，所述第三支撑板连接于所述第二保持臂以在所述第二保持臂的驱动下运动，所述第二支撑板支撑所述第一部，所述第三支撑板支撑所述第二部。
根据本申请一实施例，所述铰链还包括第二固定件和第三固定件，所述第二支撑板设有第二滑槽，所述第三支撑板设有第三滑槽，所述第二固定件穿过所述第二滑槽并固定连接于所述第一保持臂，所述第三固定件穿过所述第三滑槽并固定连接于所述第二保持臂；
其中，所述柔性部处于所述平坦状态时，所述第二固定件在所述第二滑槽中的位置，与所述柔性部处于所述弯曲状态时，所述第二固定件在所述第二滑槽中的位置不同；所述柔性部处于所述平坦状态时，所述第三固定件在所述第三滑槽中的位置，与所述柔性部处于弯曲状态时，所述第三固定件在所述第三滑槽中的位置不同。
本申请实施例提供一种电子装置，包括如柔性显示面板，所述柔性显示面板包括：
柔性显示面板主体，包括柔性部；以及
铰链，包括：
固定支架；
运动机构，所述运动机构可运动地连接于所述固定支架；以及
支撑件，包括第一支撑板，所述第一支撑板位于所述柔性部与所述运动机构之间，所述第一支撑板连接于所述运动机构以在所述运动机构的驱动下靠近或远离所述固定支架；
其中，当所述柔性部处于平坦状态时，所述第一支撑板远离所述固定支架并支撑所述柔性部；当所述柔性部处于弯曲状态时，所述第一支撑板靠近所述固定支架。
本申请实施例还提供一种铰链，包括：
固定支架；
运动机构，可运动地连接于所述固定支架；以及
支撑件，包括第一支撑板，所述第一支撑板连接于所述运动机构以在所述运动机构的驱动下靠近或远离所述固定支架。
根据本申请一实施例，所述运动机构包括转动机构和运动块；
转动机构，所述转动机构可转动地连接于所述固定支架；以及
运动块，所述运动块可运动地连接于所述转动机构，所述第一支撑板连接于所述运动块。
根据本申请一实施例，所述转动机构包括：
第一转动机构，所述第一转动机构包括第一转动件和第一传动件；以及
第二转动机构，所述第二转动机构包括第二转动件和第二传动件；
其中，所述第一转动件可转动地连接于所述固定支架，所述第一传动件固定连接于所述第一转动件，所述第二转动件可转动地连接于所述固定支架，所述第二传动件固定连接于所述第二转动件，所述运动块可运动地连接于所述第一传动件和所述第二传动件。
 有益效果
本揭示实施例的有益效果：本申请实施例提供一种铰链、柔性显示面板及电子装置，该电子装置包括柔性显示面板，柔性显示面板包括柔性显示面板主体和铰链，柔性显示面板主体包括柔性部，铰链包括固定支架、转动机构和支撑件，运动机构可运动地连接于固定支架，当柔性部处于平坦状态时，第一支撑板远离固定支架并支撑柔性部，以此减少柔性部与柔性显示面板主体的其他部分之间的段差，从而提高柔性显示面板的平整度，并减轻柔性部的折痕，当柔性部处于弯曲状态时，第一支撑板远离柔性部，以此让出用于收容柔性显示面板的空间，避免柔性显示面板在弯折过程中受到挤压。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是揭示的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的电子装置在平坦状态下的正面和背面的结构示意图；
图2为本申请实施例提供的电子装置在折叠状态下的结构示意图；
图3为本申请实施例提供的电子装置的分解示意图；
图4为本申请实施例提供的第一种铰链的结构示意图；
图5为本申请实施例提供的第一种铰链的分解示意图；
图6为本申请实施例提供的第一种运动块和第一固定支架的结构示意图；
图7为本申请实施例提供的第一种铰链的展开过程的示意图；
图8为本申请实施例提供的固定机构的结构示意图；
图9为本申请实施例提供的第一种保持机构的分解示意图；
图10为本申请实施例提供的第二支撑板和第三支撑板的结构示意图；
图11为本申请实施例提供的第二支撑板和第三支撑板的运动示意图；
图12为本申请实施例提供的第二种铰链的结构示意图；
图13为本申请实施例提供的第二种铰链的分解示意图；
图14为本申请实施例提供的第二种运动块和第一固定支架的结构示意图；
图15为本申请实施例提供的第二种铰链中的第一转动件和第二转动件的结构示意图；
图16为本申请实施例提供的第二种铰链的展开过程的示意图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本揭示可用以实施的特定实施例。本揭示所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本揭示，而非用以限制本揭示。在图中，结构相似的单元是用以相同标号表示。
下面结合附图和具体实施例对本揭示做进一步的说明：
本申请实施例提供一种铰链2、柔性显示面板100及电子装置1000，所述电子装置1000包括所述柔性显示面板100，所述柔性显示面板100包括所述铰链2。
在本申请实施例中，电子装置1000可以是移动终端，例如智能手机、平板电脑、笔记本电脑等，电子装置1000也可以是可穿戴式终端，例如智能手表、智能手环、智能眼镜、增强现实设备等，电子装置1000还可以是固定终端，例如台式电脑、电视等。
如图1至图3所示，图1为本申请实施例提供的电子装置在平坦状态下的正面和背面的结构示意图，图2为本申请实施例提供的电子装置在折叠状态下的结构示意图，图3为本申请实施例提供的电子装置的分解示意图，所述电子装置1000包括柔性显示面板100、第一壳体200、第二壳体300、第一背板400、第二背板500和第三壳体600。
柔性显示面板100包括柔性显示面板主体1，柔性显示面板主体1包括柔性部101和位于柔性部101的相对两侧的第一部102和第二部103，柔性部101是柔性显示面板主体1可以被折叠的部分。第一部102可以设置在第一壳体200的前侧的至少一部分上，第二部103可以设置在第二壳体300的前侧的至少一部分上。
第一背板400设置于第一壳体200背离柔性显示面板100的一侧，第二背板500设置于第二壳体300背离柔性显示面板100的一侧，第一壳体200和第二壳体300中可以具有单独的空间，该空间可以容纳电子装置中的电子元件，例如主板、印刷电路板和电池等，这些电子元件是驱动柔性显示面板100所需要的。
需要说明的是，电子装置1000可以具有至少一条用于折叠电子装置1000的旋转轴线，下文中，第一方向x表示与旋转轴线垂直的方向，第二方向y表示与旋转轴线平行的方向，第三方向z表示电子装置1000的厚度方向，电子装置的显示表面可以由第一方向x和第二方向y限定。
柔性显示面板100还包括铰链2，铰链2包括第一铰链2a和第二铰链2b，第一铰链2a和第二铰链2b分别设置于第三壳体600上的相对端。第一铰链2a和第二铰链2b均包括固定支架10和运动机构20，运动机构20可运动地连接于固定支架10，第一铰链2a和第二铰链2b可以设置于第一壳体200和第二壳体300之间。第一铰链2a和第二铰链2b中的运动机构20均分别与第一壳体200和第二壳体300连接，运动机构20可以配置成使第一壳体200和第二壳体300绕与第二方向y平行且在第一方向x上间隔开的两条旋转轴线旋转。
在本申请实施例中，第一铰链2a和第二铰链2b的结构相同，运动过程也相同。下文中，各示意图仅以第一铰链2a的结构为例进行说明，此处不再赘述。在实际应用中，第一铰链2a和第二铰链2b的结构也可以不同，但需满足第一铰链2a和第二铰链2b能够使第一壳体200和第二壳体300同步旋转。
需要说明的是，下文中，平坦状态可以指电子装置1000完全展开，第一壳体200的前侧和第二壳体300的前侧可以形成一个平面，使得第一壳体200的前侧和第二壳体300的前侧之间形成约180度角的状态。折叠状态包括完全折叠状态和过渡折叠状态，完全折叠状态可以指电子装置1000完全折叠，第一壳体200的前侧和第二壳体300的前侧可以面向彼此，使得第一壳体200的前侧和第二壳体300的前侧之间形成约0度角的状态，过渡折叠状态可以指电子装置1000处于平坦状态至完全折叠状态之间的任一过渡状态，第一壳体200的前侧和第二壳体300的前侧之间形成约大于0度角且小于180度角的夹角。
第三壳体600可以设置在第一壳体200和第二壳体300之间，第三壳体600可以覆盖铰链2的外部，并且可以保护铰链2。
随着电子装置1000由折叠状态被展开到平坦状态，第一壳体200的侧部和第二壳体300的侧部之间的空间可以逐渐边窄，第三壳体600的相对侧可以***第一壳体200和第二壳体300中。当电子装置1000处于平坦状态时，第三壳体600可以被第一背板400和第二背板500覆盖，并且不会暴露在外部。
随着电子装置1000由平坦状态弯折至折叠状态，第一壳体200的侧部和第二壳体300的侧部之间的空间可以逐渐变宽，第三壳体600可以被第一壳体200和第二壳体300逐渐暴露。当电子装置1000处于完全折叠状态时，第三壳体600的至少一部分可以从第一壳体200的侧部和第二壳体300的侧部之间暴露在外部，第一背板400和第二背板500仍然可以覆盖第三壳体600的一些剩余部分。
铰链2还包括支撑件30，支撑件30包括第一支撑板31，第一支撑板31位于柔性部101与运动机构之间，第一支撑板31连接于运动机构，以在运动机构的驱动下靠近或远离固定支架10。
当电子装置1000处于平坦状态时，柔性部101也处于平坦状态，第一支撑板31远离固定支架10并支撑柔性部101，此时柔性部101有第一支撑板31进行支撑，第一部102和第二部103分别有第一壳体200和第二壳体300的前侧进行支撑，第一支撑板31可以减小柔性部101与第一部102和第二部103之间的段差，从而可以提高柔性显示面板100的平整度，并减轻柔性部101的折痕。
当电子装置1000处于折叠状态时，柔性部101处于弯曲状态，第一支撑板31靠近固定支架10，以此让出用于收容柔性部101的空间，避免柔性部101在弯折过程中受到第一支撑板31的挤压。
进一步的，当电子装置1000处于折叠状态时，柔性部101处于弯曲状态，第一支撑板31与柔性部101之间具有间隙，以此保证第一支撑板31让出的用于收容柔性部101的空间大于柔性部101的形变量，从而避免柔性部101处于折叠状态时受到第一支撑板31的挤压。
如图3、图4和图12所示，图4为本申请实施例提供的第一种铰链的结构示意图，图12为本申请实施例提供的第二种铰链的结构示意图，运动机构20包括转动机构和运动块23，转动机构可转动的连接于固定支架10，运动块23可运动地连接于转动机构，第一支撑板31连接于运动块23。
转动机构包括第一转动机构21和第二转动机构22，第一转动机构21和第二转动机构22分别可运动地连接于固定支架10，第一转动机构21和第二转动机构22相对设置。旋转轴线包括第一轴线L1和第二轴线L2，第一轴线L1和第二轴线L2平行于第二方向y并且在第一方向x上间隔开，第一转动机构21可绕第一轴线L1旋转，第二转动机构22可绕第二轴线L2旋转。在本申请实施例中，第一转动机构21和第二转动机构22的结构相同。在实际应用中，第一转动机构21和第二转动机构22的结构可以相同，也可以不同，此处不做限制。
运动块23可运动地连接于第一转动机构21和第二转动机构22，在电子装置1000折叠或展开的过程中，运动块23仅沿第三方向z或与第三方向z相反的反向运动，以使第一转动机构21和第二转动机构22能够保持同步运动。
第一转动机构21包括第一转动件211和第一传动件212，第一转动件211可转动地连接于固定支架10，第一传动件212固定连接于第一转动件211，第一传动件212可运动地连接于运动块23。第二转动机构22包括第二转动件221和第二传动件222，第二转动件221可转动地连接于固定支架10，第二传动件222固定连接于第二转动件221，第二传动件222可运动地连接于运动块23。
在一实施例中，如图4至图6所示，图5为本申请实施例提供的第一种铰链的分解示意图，图6为本申请实施例提供的第一种运动块和第一固定支架的结构示意图，第一传动件212包括第一齿轮213，第一齿轮213套设于第一转动件211，第二传动件222包括第二齿轮223，第二齿轮223套设于第二转动件221。
固定支架10包括第一固定支架11，第一固定支架11上设有在第一方向x上间隔开的第一轴孔111和第二轴孔112。第一转动件211包括第一转轴214，第一转轴214的轴心线与第一轴线L1重合，第一转轴214穿过第一轴孔111，并且可以相对于第一固定支架11转动。第一齿轮213沿第一轴线L1套设于第一转轴214上，并且与第一转轴214固定连接。
第二转动件221包括第二转轴224，第二转轴224的轴心线与第二轴线L2重合，第二转轴224穿过第二轴孔112，并且可以相对于第一固定支架11转动。第二齿轮223沿第二轴线L2套设于第二转轴224上，并且与第二转轴224固定连接。
第一齿轮213与第一转轴214的连接方式以及第二齿轮223与第二转轴224的连接方式包括但不限于键连接或过盈配合连接。
运动块23包括基体部231和设置于基体部231外侧的齿条232。齿条232包括第一齿条232a和第二齿条232b，第一齿条232a和第二齿条232b位于基体部231的相对侧，第一齿轮213与第一齿条232a啮合，第二齿轮223与第二齿条232b啮合。
优选的，基体部231和齿条232一体成型，如此可以减少铰链2中零部件的数量，从而降低铰链2的装配难度。在实际应用中，基体部231与齿条232也可以为两个独立的零部件，齿条232可以通过包括但不限于胶粘、卡合或螺纹连接的方式与基体部231固定连接。
结合图4、图5以及图9所示，图9为本申请实施例提供的第一种保持结构的分解示意图，本申请实施例提供的第一种铰链2还包括保持机构24，保持机构24包括第一保持臂241和第二保持臂242，第一保持臂241包括第一本体部2410和在第一方向x上凸出于第一本体部2410同一侧并间隔设置的第五凸轮C5和第七凸轮C7，第五凸轮C5和第七凸轮C7上均设有轴孔，第五凸轮C5和第七凸轮C7套设于第一转轴214上，并与第一转轴214固定连接，第一保持臂241可绕第一轴线L1旋转并带动第一转轴214同步转动。
第二保持臂242包括第二本体部2420和在与第一方向x相反的方向上凸出于第二本体部2420同一侧并间隔设置的第六凸轮C6和第八凸轮C8，第六凸轮C6和第八凸轮C8上均设有轴孔，第六凸轮C6和第八凸轮C8套设于第二转轴224上，并与第二转轴224固定连接，第二保持臂242可绕第二轴线L2旋转并带动第二转轴224同步转动。
如图7所示，图7为本申请实施例提供的第一种铰链的展开过程的示意图，从左至右为铰链由完全折叠状态展开至平坦状态，铰链的折叠或展开过程是可逆的，从右至左可以看作是铰链由平坦状态折叠至完全折叠状态。
在铰链展开的过程中，第一保持臂241带动第一转轴214绕第一轴线L1按箭头所示的方向旋转，第一齿轮213跟随第一转轴214同向旋转，第二保持臂242带动第二转轴224绕第二轴线L2按箭头所示的方向旋转，第二齿轮223跟随第二转轴224同向旋转。运动块23在齿轮和齿条的啮合作用下，沿第三方向z直线运动。运动块23在沿第三方向z运动的过程中，运动块23与第一支撑板31接触，并向第一支撑板31施加与第三方向z平行方向的力，驱动第一支撑板31与运动块23同向运动。
在铰链折叠的过程中，第一保持臂241带动第一转轴214绕第一轴线L1按与箭头所示相反的方向旋转，第一齿轮213跟随第一转轴214同向旋转，第二保持臂242带动第二转轴224绕第二轴线L2按与箭头所示相反的方向旋转，第二齿轮223跟随第二转轴224同向旋转。运动块23在齿轮和齿条的啮合作用下，沿与第三方向z相反的方向运动，第一支撑板31也沿与第三反向z相反的方向运动。
在铰链折叠或展开的过程中，运动块23始终沿第三方向z或者与第三方向z相反的方向直线运动，第一齿轮213和第一齿条232a的啮合速度与第二齿轮223和第二齿条232b的啮合速度相同，使得第一齿轮213和第二齿轮223的转动速度相同，从而实现第一转动机构21和第二转动机构22同步转动的效果。
在一实施例中，如图12和图13所示，图13为本申请实施例提供的第二种铰链的分解示意图，第一传动件212包括第一连杆215，第一连杆215的一端固定连接于第一转动件211，第一连杆215的另一端可运动地连接于运动块23。第二传动件222包括第二连杆225，第二连杆225的一端固定连接于第二转动件221，第二连杆225的另一端可转动地连接于运动块23。
结合图12至14所示，图14为本申请实施例提供的第二种运动块和第一固定支架的结构示意图，固定支架10包括第一固定支架11，第一固定支架11包括支架主体部110和自支架主体部110沿与第一方向x相反的方向凸出并沿第二方向y间隔设置的第一支架连接部113和第三支架连接部115、以及自支架主体部110沿第一方向x凸出并沿第二方向y间隔设置的第二支架连接部114和第四支架连接部116。第一支架连接部113上设有第一轴孔111，第二支架连接部114上设有第二轴孔112，第三支架连接部115和第四支架连接部116上同样设有轴孔。
如图12所示，本申请实施例提供的第二种铰链2也包括保持机构24，保持机构24包括第一保持臂241、第二保持臂242，第一保持臂241包括第一本体部2410和在第一方向x上凸出于第一本体部2410同一侧并间隔设置的第五凸轮C5的第七连接部2412，第五凸轮C5套设于第一转轴214上，并且可以相对于第一转轴214转动，第七连接部2412开设有第一避位槽2413，第一避位槽2413的两侧壁上均设有轴孔。
第二保持臂242包括第二本体部2420和在于第一方向x相反的方向上凸出于第二本体部2420同一侧并间隔设置的第六凸轮C6和第八连接部2422，第六凸轮C6套设于第二转轴224上，并且可以相对于第二转轴224转动，第八连接部2422开设有第二避位槽2423，第二避位槽2423的两侧壁上均设有轴孔。
运动块23包括基体部231和连接于基体部231的相对两侧的第一延伸部235和第二延伸部236，第一延伸部235和第二延伸部236均包括自基体部231沿第一方向x或与第一方向x相反的方向延伸出的相对的两延伸板。第一连杆215的一端固定连接于第一转动件211，第一连杆215的另一端可转动地连接于运动块23的第一延伸部235的两延伸板之间，第二连杆225的一端固定连接于第二转动件221，第二连杆225的另一端可转动地连接于运动块23的第二延伸部236的两延伸板之间。
具体的，第一延伸部235包括两相对并间隔设置的第一延伸板235a和第二延伸板235b，第一延伸板235a和第二延伸板235b设有同轴心的轴孔，第二延伸部236包括两相对并间隔设置的第三延伸板236a和第四延伸板236b，第三延伸板236a和第四延伸板236b均设有同轴心的轴孔。
结合图12至图15所示，图15为本申请实施例提供的第二种铰链中的第一转动件和第二转动件的结构示意图。第一转动件211包括第一转轴214、第三转轴216和第五转轴217，第一转轴214的轴心线与第一轴线L1重合，第一转轴214穿过第一支架连接部113、第三支架连接部115和第五凸轮C5；第一连杆215的两端均设有轴孔，第一连杆215的第一端伸入第一保持臂241的第七连接部2412的第一避位槽2413中，第三转轴216穿过第一连杆215的第一端和第一保持臂241的第七连接部2412，第一保持臂241可相对于第三转轴216转动，第一连杆215与第三转轴216固定连接。第一连杆215的第二端伸入运动块23的第一延伸部235的第一延伸板235a和第二延伸板235b之间，第五转轴217穿过第一连杆215的第二端和第一延伸部235，第一连杆215可相对于第五转轴217转动，运动块23与第五转轴217固定连接。
第二转动件221包括第二转轴224、第四转轴226和第六转轴227，第二转轴224的轴心线与第二轴线L2重合，第二转轴224穿过第二支架连接部114和第四支架连接部116；第二连杆225的两端均设有轴孔，第二连杆225的第一端伸入第二保持臂242的第二避位槽2423中，第四转轴226穿过第二连杆225的第一端和第二保持臂242的第八连接部2422，第八连接部2422可相对于第四转轴226转动，第二连杆225与第四转轴226固定连接。第二连杆225的第二端伸入运动块23的第二延伸部236的第三延伸板236a和第四延伸板236b之间，第六转轴227穿过第二连杆225的第二端和第二延伸部236，第二连杆225可相对于第六转轴227转动，运动块23与第六转轴227固定连接。
结合图12和图16所示，图16为本申请实施例提供的第二种铰链的展开过程的示意图，在铰链展开的过程中，第一保持臂241带动第三转轴216绕第一轴线L1按图示箭头的方向旋转，第三转轴216带动第一连杆215绕第五转轴217按图示的箭头的方向旋转；第二保持臂242带动第四转轴226绕第二轴线L2按图示的箭头方向旋转，第四转轴226带动第二连杆225绕第六转轴227按图示的箭头方向旋转，运动块23在第一连杆215和第二连杆225的带动下沿图示箭头的方向（即第三方向z）直线运动。运动块23在沿第三方向z运动的过程中，与第一支撑板31接触，并向第一支撑板31施加与图示箭头方向同向的力，驱动第一支撑板31与运动块23同向运动。
在铰链折叠的过程中，第一保持臂241带动第三转轴216绕第一轴线L1按与图示箭头相反的方向旋转，第三转轴216带动第一连杆215绕第五转轴217按与图示的箭头的方向相反的方向旋转；第二保持臂242带动第四转轴226绕第二轴线L2按与图示的箭头方向相反的方向旋转，第四转轴226带动第二连杆225绕第六转轴227按与图示的箭头相反的方向旋转，运动块23在第一连杆215和第二连杆225的带动下沿与图示箭头的方向相反的方向（即与第三方向z相反的方向）运动，第一支撑板31与运动块23同向运动。
在铰链展开或折叠的过程中，运动块23始终沿第三方向z或者与第三方向z相反的方向直线运动，如此可以使第一连杆215和第二连杆225相对转动的角度保持一致，从而达到第一转动机构21和第二转动机构22同步转动的效果。
铰链2还包括固定机构40，固定机构40包括第一固定件41和第一弹性件42，第一固定件41穿过固定支架10并固定连接于第一支撑板31，第一弹性件42的一端连接于固定支架10，第一弹性件42的另一端连接于第一固定件41。当柔性部101处于平坦状态或弯折状态时，第一弹性件42处于弹性变形状态。
在一实施例中，结合图4、图5和图8所示，图8为本申请实施例提供的固定机构的结构示意图，本申请实施例提供的第一种铰链中的固定支架10还包括固定块12，固定块12包括本体部120及自本体部120的相对两侧延伸出的第一连接部121和第二连接部122，第一转动件211穿过第一连接部121，第二转动件221穿过第二连接部122。本体部120设有一个过孔123，过孔123在第三方向z上贯穿本体部120，第一固定件41穿过该过孔123并固定连接于第一支撑板31，第一弹性件42的一端连接于本体部120的围绕过孔123的内壁。
第一连接部121和第二连接部122均设有轴孔，第一转轴214穿过第一连接部121的轴孔，并且可以相对于固定块12转动，第二转轴224穿过第二连接部122的轴孔，并且可以相对于固定块12转动。
在一实施例中，本申请实施例提供的第二种铰链中的固定支架10可以不包括固定块12，而是将固定机构40直接与第一固定支架11连接。结合图12至图14所示，图14为本申请实施例提供的第二种运动块和第一固定支架的结构示意图。第一固定支架11的支架主体部110上设有间隔开的两个过孔123，该两个过孔123在第三方向z上贯穿支架主体部110。固定机构40包括两个第一固定件41和两个第一弹性件42，第一固定件41通过过孔123穿过第一固定支架11并固定连接于第一支撑板31，第一弹性件42的一端连接于第一固定支架11的围绕过孔123的内壁。
在实际应用中，固定机构40中包含的第一固定件41和第一弹性件42的数量不仅限于上述实施例中的1或2个，也可以为3个及以上。
在一实施例中，如图8和图12所示，第一固定件41可以为固定螺钉，第一支撑板31靠近固定块12的一侧设有凸出于第一支撑板31的底面的柱体311，柱体311上设有螺纹孔，柱体311穿过该过孔123与固定螺钉通过螺纹连接的方式固定连接。
在一实施例中，如图8和图12所示，第一弹性件42为弹簧。在实际应用中，第一弹性件42不仅限于上述的弹簧，也可以是具有弹性形变恢复能力的钢板、橡塑块或塑料块等。
当电子装置1000处于完全折叠状态时，第一弹性件42处于弹性变形状态，即弹簧被压缩，通过第一弹性件42给第一支撑板31施加一定的预紧力，防止在完全折叠状态时第一支撑板31和固定机构40发生晃动。
在电子装置1000展开的过程中，第一转动机构21和第二转动机构22驱动运动块23沿第三方向z运动，运动块23在运动过程中与第一支撑板31接触，并向第一支撑板31施加平行于第三方向z的推力，驱动第一支撑板31与运动块23同向运动，使得第一支撑板31逐渐远离固定支架10。第一固定件41与第一支撑板31同向运动，第一弹性件42被第一固定件41和固定支架10挤压，使得第一弹性件42的弹性变形加剧，即弹簧的压缩量逐渐增大，直至电子装置1000展开至平坦状态。
当电子装置1000处于平坦状态时，第一弹性件42的弹性变形量大于折叠状态下的弹性变形量，即弹簧在平坦状态下的压缩量大于在折叠状态下的压缩量。在电子装置1000折叠的过程中，第一弹性件42向第一固定件41施加与第三方向z相反的推力，使得第一支撑板31沿与第三方向z相反的方向运动，并逐渐靠近固定支架10。
在一实施例中，如图5和图8所示，第一支撑板31的底面设有多个导向柱312，保持机构24的第一限位件249上设有第一导向槽G1，第一导向槽G1在第三方向z上贯穿第一限位件249。第二限位件13上设有第二导向槽G2，第二导向槽G2在第三方向z上贯穿第二限位件13。导向柱312分别滑动安装于第一导向槽G1和第二导向槽G2中。通过设置多个导向柱312和第一导向槽G1、第二导向槽G2，可以限定第一支撑板31仅能在第三方向z或与第三方向z相反的方向直线运动，防止第一支撑板31在运动过程中发生晃动。
在实际应用中，导向柱312的数量包括但不限于1、2或3及以上等，导向槽设置的位置也不仅限于第一限位件249和第二限位件13，导向槽也可以设置在第一固定支架11上。
在一实施例中，结合图4至图8所示，运动块23上设有限位槽234，第一支撑板31靠近运动块23的一端设置有与限位槽234对应的限位部313。当电子装置1000处于展平状态时，限位部313可以卡合进限位槽234内，以此避免运动块23的行程过大导致第一支撑板31上升的高度过高导致柔性部101凸出第一部102和第二部103所在的平面，从而保证柔性显示面板100的平整度。同时，还可以利用限位槽234对第一支撑板31起到固定限位的作用，避免在电子装置1000处于平坦状态时，第一支撑板31发生晃动。
固定支架10设有第一滑槽14，运动块23可滑动地安装于第一滑槽14内，第一滑槽14的壁面上设有凸起141，运动块23设有凹槽233，凸起141可滑动地收容于凹槽233内。
在一实施例中，如图5和图6所示，本申请实施例提供的第一种铰链中的固定支架10包括还第二限位件13，第二限位件13具有沿第一方向x凸出于第二限位件13的本体的两个连接部，两个连接部上均设有轴孔，第一转轴214和第二转轴224分别穿过轴孔，并且可以相对于的第二限位件13转动。第二限位件13卡合在第一固定支架11上，并与第一固定支架11围成第一滑槽14。运动块23滑动安装于第一滑槽14内，并且只能在第一滑槽14内沿第三方向z或者与第三方向z相反的方向直线运动，从而保证第一转动机构21和第二转动机构22能够同步转动，并且避免运动块23在滑动过程中发生卡顿的情况。
进一步的，第一固定支架11和第二限位件13靠近彼此的一侧上均设有一个凸起141，运动块23的基体部231的相对两侧均设有一个凹槽233，凸起141可滑动地收容于凹槽233内。如此通过凸起141来进一步限定运动块23的运动方向，防止运动块23发生左右偏斜，从而减小运动块23与第一滑槽14配合的虚位，增加运动块23在运动过程中的稳定性。
在一实施例中，如图14所示，本申请实施例提供的第二种铰链中的第一滑槽14形成于第一固定支架11的支架主体部110上，第一滑槽14在第三方向z上贯穿支架主体部110，运动块23可滑动地安装于第一滑槽14内。运动块23的基体部231的相对两侧均设置有2个间隔设置的凹槽233，第一滑槽14的相对两侧的壁面上均设置有两个凸起141，凸起141收容于凹槽233内。
在实际应用中，运动块23上设置的凹槽233的数量以及第一滑槽14的壁面上的凸起141的数量可以根据运动块23的尺寸和第一滑槽14的尺寸来设定，尺寸越大的运动块23和第一滑槽14，所需要的凹槽233和凸起141的数量也就越多，以此提高运动块23在第一滑槽14中运动的稳定性。运动块23上设置的凹槽233的数量以及第一滑槽14的壁面上凸起141的数量可以根据实际情况设定，此处不做限制。
保持机构24还包括第一保持件243，第一保持件243上设有第一凸起C11和第二凸起C21，第一保持臂241上设有第一凹槽C52，第二保持臂242上设有第二凹槽C62，第一保持臂241连接于第一转动件211，第二保持臂242连接于第二转动件221，第一转动件211和第二转动件221可转动地连接于第一保持件243。当所述柔性部101处于平坦状态和弯曲状态中的一种状态时，第一凹槽C52收容第一凸起C11，第二凹槽C62***述第二凸起C21，当柔性部101处于平坦状态和弯曲状态中的另一种状态时，第一凸起C11脱离第一凹槽C52，第二凸起C21脱离第二凹槽C62。
在一实施例中，结合图4、图5和图9，图9为本申请实施例提供的第一种保持机构的分解示意图，第一保持件243上设有凸出于第一保持件243的主体相对侧的第一凸轮C1和第二凸轮C2。
第一凸轮C1可以包括多个第一凸起C11，多个第一凸起C11在与第二方向y相反的方向上凸出于第一凸轮C1的边缘，相邻第一凸起C11之间设有第五凹槽C12，第一转轴214穿过第一凸轮C1，并且可以相对于第一凸轮C1转动。
第二凸轮C2可以包括多个第二凸起C21，多个第二凸起C21在第二方向y相反的方向上凸出于第二凸轮C2的边缘，相邻第二凸起C21之间设有第六凹槽C22，第一转轴214穿过第二凸轮C2，并且可以相对于第二凸轮C2转动。
第一保持臂241的第五凸轮C5可以包括多个在第二方向y上凸出于第五凸轮C5的边缘的第五凸起C51，相邻第五凸起C51之间设有第一凹槽C52，第一转轴214穿过第五凸轮C5。第二保持臂242的第六凸轮C6可以包括多个在第二方向y上凸出于第六凸轮C6的边缘的第六凸起C61，相邻第六凸起C61之间设有第二凹槽C62，第二转轴224穿过第六凸轮C6。
保持机构24还包括第二保持件244，第二保持件244设有第三凸起C31和第四凸起C41，第一保持臂241上设有第三凹槽C72，第二保持臂242上设有第四凹槽C82，当所述柔性部处于所述平坦状态和所述弯曲状态中的一种状态时，所述第三凹槽C72***述第三凸起C31，所述第四凹槽C82***述第四凸起C41，当柔性部101处于平坦状态和弯曲状态中的另一种状态时，第四泥土气C31脱离第三凹槽C72，第四凸起C41脱离第四凹槽C82。
如图5和图9所示，第二保持件244上设有凸出于第二保持件244的主体的第三凸轮C3和第四凸轮C4。
第三凸轮C3可以包括多个在与第二方向y相反的方向上凸出于第三凸轮C3的边缘的第三凸起C31，相邻第三凸起C31之间设有第七凹槽C32，第一转轴214穿过第三凸轮C3，并且可以相对于第三凸轮C3转动。
第四凸轮C4可以包括多个在与第二方向y相反的方向上凸出于第四凸轮C4的边缘的第四凸起C41，相邻第四凸起C41之间设有第八凹槽C42，第一转轴214穿过第四凸轮C4，并且可以相对于第四凸轮C4转动。
第一保持臂241的第七凸轮C7可以包括多个在第二方向y上凸出于第七凸轮C7的边缘的第七凸起C71，相邻第七凸起C71之间设有第三凹槽C72，第一转轴214穿过第七凸轮C7。第二保持臂242的第八凸轮C8可以包括多个在第二方向y上凸出于第八凸轮C8的边缘的第八凸起C81，相邻第八凸起C81之间设有第四凹槽C82，第二转轴224穿过第八凸轮C8。
第一凸起C11至第八凸起C81中的每一个都有具有平坦末端，平坦末端具有一滑动表面，该滑动表面为各凸起的两个倾斜侧面的衔接面。
保持机构24还包括第二弹性件245、第三弹性件246、第四弹性件247、第五弹性件248和第一限位件249。第二弹性件245、第三弹性件246、第四弹性件247、第五弹性件248均为弹簧。第一限位件249包括在第一方向x上凸出于第一限位件249的主体两侧的第三连接部和第四连接部，第三连接部和第四连接部均设有轴孔，第一转轴214穿过第三连接部，第二转轴224穿过第四连接部。
第二弹性件245和第三弹性件246套设于第一转动件211，第二弹性件245夹持于第一保持件243与第一连接部121之间，第三弹性件246夹持于第二保持件244与第一限位件249的第三连接部之间；第四弹性件247和第五弹性件248套设于第二转动件221，第四弹性件247夹持于第一保持件243与第二连接部122之间，第五弹性件248夹持于第二保持件244与第一限位件249的第四连接部之间。
当电子装置1000处于平坦状态或完全折叠状态时，柔性部101处于平坦状态或完全折叠状态，第一凸轮C1与第五凸轮C5普通接合，第二凸轮C2与第六凸轮C6普通接合，第三凸轮C3与第七凸轮C7普通接合，第四凸轮C4与第八凸轮C8普通接合。
普通接合指的是，例如：第一凸轮C1的第一凸起C11收容于第五凸轮C5的第一凹槽C52，第五凹槽C12收容第五凸起C51；第二凸轮C2的第二凸起C21收容于第六凸轮C6的第二凹槽C62，第六凹槽C22收容于第六凸起C61；第三凸轮C3的第三凸起C31收容于第七凸轮C7的第三凹槽C72，第七凹槽C32收容第七凸起C71；第四凸轮C4的第四凸起C41收容于第八凸轮C8的第四凹槽C82，第八凹槽C42收容第八凸起C81。
当电子装置1000处于过渡折叠状态时，柔性部101处于弯曲状态，第一凸轮C1与第五凸轮C5开放接合，第二凸轮C2与第六凸轮C6开放接合，第三凸轮C3与凸轮C7开放接合，第四凸轮C4与第八凸轮C8开放接合。
开放接合指的是例如：第一凸轮C1的第一凸起C11脱离第五凸轮C5的第一凹槽C52，第一凸起C11的滑动表面与第五凸起C51的滑动表面接触；第二凸轮C2的第二凸起C21脱离第六凸轮C6的第二凹槽C62，第二凸起C21的滑动表面与第六凸起C61的滑动表面接触；第三凸轮C3的第三凸起C31脱离第七凸轮C7的第三凹槽C72，第三凸起C31的滑动表面与第七凸起C71的滑动表面接触；第四凸轮C4的第四凸起C41脱离第八凸轮C8的第四凹槽C82，第四凸起C41的滑动表面与第八凸起C81的滑动表面接触。
在电子装置1000由平坦状态折叠至过渡折叠状态的过程中，第一保持臂241绕第一轴线L1顺时针旋转，第二保持臂242绕第二轴线L2逆时针旋转，各相互接合的凸轮由普通接合逐渐向开放接合转变，第一凸起C11逐渐脱离第一凹槽C52，第二凸起C21逐渐脱离第二凹槽C62，第三凸起C31逐渐脱离第三凹槽C72，第四凸起C41逐渐脱离第四凹槽C82。第二弹性件245至第五弹性件248均被压缩，导致各弹性件的弹性变形量逐渐增大。当柔性显示面板护体的第一部102与第二部103之间的角度为0度至30度时，在各弹性件的挤压力以及凸轮的压力角的作用下，电子装置1000在不受外力的情况下可以恢复至平坦状态。
当电子装置1000处于过渡折叠状态时，各相互接合的凸轮转变为开放接合，各凸轮的压力角为0，柔性显示面板主体的第一部102和第二部103之间的角度可以保持在30度至150度，各弹性件的弹性变形量保持不变，电子装置1000在不受外力的情况下，可以保持在过渡折叠状态。
当电子装置1000由过渡折叠状态折叠至完全折叠状态的过程中，各相互接合的凸轮由开放接合逐渐向普通接合转变，第一凸起C11逐渐收容于第一凹槽C52，第二凸起C21逐渐收容于第二凹槽C62，第三凸起C31逐渐收容于第三凹槽C72，第四凸起C41逐渐收容于第四凹槽C82，各弹性件的弹性变形量逐渐减小，当柔性显示面板主体的第一部102与第二部103之间的角度为150度至180度时，在各弹性件的挤压力以及凸轮的压力角的作用下，电子装置1000在不受外力的情况下，可以自动由过渡折叠状态折叠至完全折叠状态。
在一实施例中，保持机构24可以仅包括一个保持件以及一对弹性件。如图12至图14所示，本申请实施例提供的第二种铰链中的保持机构24可以包括第一保持件243、第二弹性件245和第四弹性件247，第一保持件243的结构与图4中第一保持件243的结构相同，此处不再赘述。
第一固定支架11的支架主体部110的底面设有卡槽，第一保持件243的主体卡合进卡槽内，第一保持件243的第一凸轮C1和第二凸轮C2凸出于支架主体部110的相对侧，第一凸轮C1位于第一支架连接部113和第三支架连接部115之间，第二凸轮C2位于第二支架连接部114和第四支架连接部116之间。第二弹性件245夹持于第一凸轮C1和第三支架连接部115之间，第四弹性件247夹持于第二凸轮C2和第四支架连接部116之间。
如图13和图15所示，第一保持臂241的第五凸轮C5与第一保持件243的第一凸轮C1接合，第二保持臂242的第六凸轮C6与第一保持件243的第二凸轮C2接合。由第一保持臂241与第二保持臂242、第一保持件243、第二弹性件245以及第四弹性件247构成的保持机构24的工作原理与图4所示的第一种铰链中的保持机构的工作原理相同，且能够实现与图4所示的第一种铰链中的保持机构相似的技术效果，此处不再赘述。
在实际应用中，保持机构24中保持件的数量不仅限与上述实施例中的1个或2个，也可以为3个或4个及以上等，弹性件的数量则需要适配保持件的数量，对于尺寸越大的电子装置而言，所需要的保持件的数量也就越多。
如图4和图5所示，本申请实施例提供的第一种铰链还包括第一限位片251、第二限位片252、第一固定夹253和第二固定夹254，第一转轴214穿过第一限位件249的一端依次套设有第一限位片251和第一固定夹253，第二转轴224穿过第一限位件249的一端依次套设有第二限位片252和第二固定夹254，以此对第一限位件249进行固定，并防止第一转轴214和第二转轴224脱离铰链。
如图10所示，图10为本申请实施例提供的第二支撑板和第三支撑板的结构示意图，支撑件30还包括第二支撑板32和第三支撑板33，第二支撑板32连接于第一保持臂241以在第一保持臂241的驱动下运动，第三支撑板33连接于第二保持臂242以在第二保持臂242的驱动下运动。第二支撑板32与第一壳体200的前侧通过螺钉固定连接，第二支撑板32可以用于支撑第一部102，第三支撑板33与第二壳体300的前侧通过螺钉固定连接，第三支撑板33可以用于支撑第二部103。
第二支撑板32设有第二滑槽321，第三支撑板33设有第三滑槽331，第二滑槽321和第三滑槽331均为直线型滑槽。第一保持臂241包括沿与第一方向x相反的方向凸出于第一本体部2410的第五连接部2411，第二保持臂242包括沿第一方向x凸出于第二本体部2420的第六连接部2421，第五连接部2411和第六连接部2421均设有轴孔。
铰链2还包括第二固定件322、第三固定件332、第三固定夹323和第四固定夹333，第二固定件322和第三固定件332均为销轴。第二固定件322穿过第二滑槽321以及第五连接部2411的轴孔，并且与第一保持臂241固定连接，第二固定件322穿过第五连接部2411的一端套设有第三固定夹323，第二固定件322可以相对于第二滑槽321滑动和转动。第三固定件332穿过第三滑槽331和第六连接部2421的轴孔，并且与第二保持臂242固定连接，第三固定件332穿过第六连接部2421的一端套设有第四固定夹333，第三固定件332可以相对于第三滑槽331滑动和转动。
铰链2还包括第一滑动块36和第二滑动块37，第二固定支架15上设有第四滑槽151和第五滑槽152，第一滑动块36可以滑动安装于第四滑槽151内，第二滑动块37可以滑动安装于第五滑槽152内。
在一实施例中，如图10所示，本申请实施例提供的第一种铰链中，第一滑动块36与第二支撑板32一体成型，第二滑动块37与第三支撑板33一体成型。
在一实施例中，如图12和图13所示，本申请实施例提供的第二种铰链中，第一滑动块36与第二支撑板32可以为两个独立的零部件，第一滑动块36与第二支撑板32可以通过螺纹连接或者卡合的方式固定连接。第二滑动块37与第三支撑板33可以为两个独立的零部件，第二滑动块37与第三支撑板33可以通过螺纹连接或者卡合的方式固定连接。
柔性部101所述平坦状态时，第二固定件322在第二滑槽321中的位置，与柔性部101处于弯曲状态时，第二固定件322在第二滑槽321中的位置不同；柔性部101处于平坦状态时，第三固定件332在第三滑槽331中的位置，与柔性部101处于弯曲状态时，第三固定件332在第三滑槽331中的位置不同。
如图11所示，图11为本申请实施例提供的第二支撑板和第三支撑板的运动示意图，当电子装置1000处于完全折叠状态时，第二固定件322处于第二滑槽321靠近第二固定支架15的一端，第三固定件332处于第三滑槽331靠近第二固定支架15的一端。
在电子装置1000由完全折叠状态展开至平坦状态的过程中，第二支撑板32和第三支撑板33分别按图示箭头的方向相背转动。第二支撑板32按图示箭头的方向转动的过程中，通过第二固定件322带动第一保持臂241同向转动，第二固定件322在第二滑槽321中按照图示的箭头方向滑动，并逐渐远离第二固定支架15。第三支撑板33按照图示箭头的方向转动的过程中，通过第三固定件332带动第二保持臂242同向转动，第三固定件332在第三滑槽331中按照图示的箭头方向滑动，并逐渐远离第二固定支架15。
当电子装置1000处于平坦状态时，柔性部101处于平坦状态，第二固定件322处于第二滑槽321远离第二固定支架15的一端，第三固定件332处于第三滑槽331远离第二固定支架15的一端。
如图3所示，支撑件30还包括第四支撑板34和第五支撑板35，第四支撑板34与第一壳体200的前侧通过螺钉固定连接，第四支撑板34与第二支撑板32处于同一平面，用于支撑第一部102；第五支撑板35与第二壳体300通过螺钉固定连接，第五支撑板35与第三支撑板33处于同一平面，用于支撑第二部103。
本申请实施例的有益效果：本申请实施例提供一种铰链、柔性显示面板及电子装置，该电子装置包括柔性显示面板，柔性显示面板包括柔性显示面板主体和铰链，柔性显示面板主体包括柔性部，铰链包括固定支架、转动机构和支撑件，运动机构可运动地连接于固定支架，当柔性部处于平坦状态时，第一支撑板远离固定支架并支撑柔性部，以此减少柔性部与柔性显示面板主体的其他部分之间的段差，从而提高柔性显示面板的平整度，并减轻柔性部的折痕，当柔性部处于弯曲状态时，第一支撑板远离柔性部，以此让出用于收容柔性显示面板的空间，避免柔性显示面板在弯折过程中受到挤压。
综上所述，虽然本申请以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为基准。

Claims (20)

  1. 一种柔性显示面板，包括：
    柔性显示面板主体，包括柔性部；以及
    铰链，包括：
    固定支架；
    运动机构，所述运动机构可运动地连接于所述固定支架；以及
    支撑件，包括第一支撑板，所述第一支撑板位于所述柔性部与所述运动机构之间，所述第一支撑板连接于所述运动机构以在所述运动机构的驱动下靠近或远离所述固定支架；
    其中，当所述柔性部处于平坦状态时，所述第一支撑板远离所述固定支架并支撑所述柔性部；当所述柔性部处于弯曲状态时，所述第一支撑板靠近所述固定支架。
  2. 如权利要求1所述的柔性显示面板，其中，当所述柔性部处于所述弯曲状态时，所述第一支撑板与所述柔性部之间具有间隙。
  3. 如权利要求1所述的柔性显示面板，其中，所述运动机构包括：
    转动机构，所述转动机构可转动地连接于所述固定支架；以及
    运动块，所述运动块可运动地连接于所述转动机构，所述第一支撑板连接于所述运动块。
  4. 如权利要求3所述的柔性显示面板，其中，所述转动机构包括：
    第一转动机构，可转动地连接于所述固定支架；以及
    第二转动机构，可转动地连接于所述固定支架，与所述第一转动机构相对设置；
    其中，所述运动块可运动地连接于所述第一转动机构和所述第二转动机构。
  5. 如权利要求4所述的柔性显示面板，其中，所述固定支架设有第一滑槽，所述运动块可滑动地安装于所述第一滑槽内；
    其中，所述第一滑槽的壁面上设有凸起，所述运动块设有凹槽，所述凸起可滑动地收容于所述凹槽内。
  6. 如权利要求4所述的柔性显示面板，其中，所述第一转动机构包括第一转动件和第一传动件，所述第二转动机构包括第二转动件和第二传动件；
    其中，所述第一转动件可转动地连接于所述固定支架，所述第一传动件固定连接于所述第一转动件，所述第一传动件可运动地连接于所述运动块；所述第二转动件可转动地连接于所述固定支架，所述第二传动件固定连接于所述第二转动件，所述第二传动件可运动地连接于所述运动块。
  7. 如权利要求6所述的柔性显示面板，其中，所述第一传动件包括第一齿轮，所述第二传动件包括第二齿轮，所述运动块包括齿条；
    其中，所述第一齿轮套设于所述第一转动件，所述第二齿轮套设于所述第二转动件，所述第一齿轮和所述第二齿轮均啮合于所述齿条。
  8. 如权利要求7所述的柔性显示面板，其中，所述运动块包括基体部，所述齿条设置于所述基体部的外侧，所述基体部与所述齿条一体成型。
  9. 如权利要求6所述的柔性显示面板，其中，所述第一传动件包括第一连杆，所述第二传动件包括第二连杆；
    其中，所述第一连杆的一端固定连接于所述第一转动件，所述第一连杆的另一端可转动地连接于所述运动块，所述第二连杆的一端固定连接于所述第二转动件，所述第二连杆的另一端可转动地连接于所述运动块。
  10. 如权利要求6所述的柔性显示面板，其中，所述铰链还包括固定机构，所述固定机构包括第一固定件和第一弹性件；
    其中，所述第一固定件穿过所述固定支架并固定连接于所述第一支撑板，所述第一弹性件的一端连接于所述固定支架，所述第一弹性件的另一端连接于所述第一固定件；
    当所述柔性部处于所述平坦状态或所述弯曲状态时，所述第一弹性件处于弹性变形状态。
  11. 如权利要求10所述的柔性显示面板，其中，所述固定支架包括固定块，所述固定块包括本体部及自所述本体部的相对两侧延伸出的第一连接部和第二连接部，所述本体部设有过孔；
    其中，所述第一转动件穿过所述第一连接部，所述第二转动件穿过所述第二连接部，所述第一固定件穿过所述过孔并固定连接于所述第一支撑板，所述第一弹性件的所述一端连接于所述本体部的围绕所述过孔的内壁。
  12. 如权利要求11所述的柔性显示面板，其中，所述铰链还包括保持机构，所述保持机构包括第一保持臂、第二保持臂以及第一保持件，所述第一保持件上设有第一凸起和第二凸起，所述第一保持臂上设有第一凹槽，所述第二保持臂上设有第二凹槽；
    其中，所述第一保持臂连接于所述第一转动件，所述第二保持臂连接于所述第二转动件，所述第一转动件和所述第二转动件可转动地连接于所述第一保持件；
    其中，当所述柔性部处于所述平坦状态和所述弯曲状态中的一种状态时，所述第一凹槽***述第一凸起，所述第二凹槽***述第二凸起；当所述柔性部处于所述弯曲状态和所述平坦状态中的另一种状态时，所述第一凸起脱离所述第一凹槽，所述第二凸起脱离所述第二凹槽。
  13. 如权利要求12所述的柔性显示面板，其中，所述保持机构还包括第二保持件，所述第二保持件设有第三凸起和第四凸起，所述第一保持臂上设有第三凹槽，所述第二保持臂上设有第四凹槽；
    其中，当所述柔性部处于所述平坦状态和所述弯曲状态中的一种状态时，所述第三凹槽***述第三凸起，所述第四凹槽***述第四凸起；当所述柔性部处于所述弯曲状态和所述平坦状态中的另一种状态时，所述第三凸起脱离所述第三凹槽，所述第四凸起脱离所述第四凹槽。
  14. 如权利要求13所述的柔性显示面板，其中，所述保持机构还包括第二弹性件、第三弹性件、第四弹性件、第五弹性件和第一限位件；
    其中，所述第二弹性件和所述第三弹性件套设于所述第一转动件，所述第二弹性件夹持于所述第一保持件与所述第一连接部之间，所述第三弹性件夹持于所述第二保持件与所述第一限位件之间；所述第四弹性件和所述第五弹性件套设于所述第二转动件，所述第四弹性件夹持于所述第一保持件与所述第二连接部之间，所述第五弹性件夹持于所述第二保持件与所述第一限位件之间。
  15. 如权利要求12所述的柔性显示面板，其中，所述支撑件还包括第二支撑板和第三支撑板，所述柔性显示面板主体包括位于所述柔性部的相对两侧的第一部和第二部；
    其中，所述第二支撑板连接于所述第一保持臂以在所述第一保持臂的驱动下运动，所述第三支撑板连接于所述第二保持臂以在所述第二保持臂的驱动下运动，所述第二支撑板支撑所述第一部，所述第三支撑板支撑所述第二部。
  16. 如权利要求15所述的柔性显示面板，其中，所述铰链还包括第二固定件和第三固定件，所述第二支撑板设有第二滑槽，所述第三支撑板设有第三滑槽，所述第二固定件穿过所述第二滑槽并固定连接于所述第一保持臂，所述第三固定件穿过所述第三滑槽并固定连接于所述第二保持臂；
    其中，所述柔性部处于所述平坦状态时，所述第二固定件在所述第二滑槽中的位置，与所述柔性部处于所述弯曲状态时，所述第二固定件在所述第二滑槽中的位置不同；所述柔性部处于所述平坦状态时，所述第三固定件在所述第三滑槽中的位置，与所述柔性部处于弯曲状态时，所述第三固定件在所述第三滑槽中的位置不同。
  17. 一种电子装置，包括柔性显示面板，所述柔性显示面板包括：
    柔性显示面板主体，包括柔性部；以及
    铰链，包括：
    固定支架；
    运动机构，所述运动机构可运动地连接于所述固定支架；以及
    支撑件，包括第一支撑板，所述第一支撑板位于所述柔性部与所述运动机构之间，所述第一支撑板连接于所述运动机构以在所述运动机构的驱动下靠近或远离所述固定支架；
    其中，当所述柔性部处于平坦状态时，所述第一支撑板远离所述固定支架并支撑所述柔性部；当所述柔性部处于弯曲状态时，所述第一支撑板靠近所述固定支架。
  18. 一种铰链，包括：
    固定支架；
    运动机构，可运动地连接于所述固定支架；以及
    支撑件，包括第一支撑板，所述第一支撑板连接于所述运动机构以在所述运动机构的驱动下靠近或远离所述固定支架。
  19. 如权利要求18所述的铰链，其中，所述运动机构包括转动机构和运动块；
    转动机构，所述转动机构可转动地连接于所述固定支架；以及
    运动块，所述运动块可运动地连接于所述转动机构，所述第一支撑板连接于所述运动块。
  20. 如权利要求19所述的铰链，其中，所述转动机构包括：
    第一转动机构，所述第一转动机构包括第一转动件和第一传动件；以及
    第二转动机构，所述第二转动机构包括第二转动件和第二传动件；
    其中，所述第一转动件可转动地连接于所述固定支架，所述第一传动件固定连接于所述第一转动件，所述第二转动件可转动地连接于所述固定支架，所述第二传动件固定连接于所述第二转动件，所述运动块可运动地连接于所述第一传动件和所述第二传动件。
PCT/CN2021/116016 2021-07-05 2021-09-01 铰链、柔性显示面板及电子装置 WO2023279504A1 (zh)

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