WO2023279471A1 - 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
WO2023279471A1
WO2023279471A1 PCT/CN2021/111875 CN2021111875W WO2023279471A1 WO 2023279471 A1 WO2023279471 A1 WO 2023279471A1 CN 2021111875 W CN2021111875 W CN 2021111875W WO 2023279471 A1 WO2023279471 A1 WO 2023279471A1
Authority
WO
WIPO (PCT)
Prior art keywords
protrusion
groove
hinge
holding
moving block
Prior art date
Application number
PCT/CN2021/111875
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 US17/438,959 priority Critical patent/US20240032226A1/en
Publication of WO2023279471A1 publication Critical patent/WO2023279471A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • 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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

Definitions

  • the present application relates to the field of display technology, in particular to a hinge, a flexible display panel and an electronic device.
  • foldable electronic devices realize the effect of unfolding and closing through two rotating mechanisms disposed opposite to each other in the hinge.
  • the rotation speeds of the two rotating mechanisms in the hinge cannot always be kept the same, the electronic device cannot achieve bilateral synchronous rotation, resulting in the flexible display panel body of the electronic device being squeezed or pulled by the hinge, The service life of the electronic device is reduced.
  • Embodiments of the present application provide a hinge, a flexible display panel, and an electronic device, which are used to solve the problem that the hinges in the existing foldable electronic device cannot realize bilateral synchronous rotation.
  • An embodiment of the present application provides a hinge, including:
  • the first rotating mechanism includes a first transmission member, and the first transmission member is rotatably connected to the fixed bracket;
  • the second rotating mechanism which is arranged opposite to the first rotating mechanism, includes a second transmission member, and the second transmission member is rotatably connected to the fixed bracket;
  • the first transmission part and the second transmission part are movably connected to the moving block, so as to convert the rotation of the first transmission part and the second transmission part into the movement of the moving block Linear motion, and drive the moving block away from or close to the fixed bracket, the moving block is integrally formed.
  • the first transmission member includes a first gear
  • the second transmission member includes a second gear
  • the moving block includes a rack
  • 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 rack is integrally formed with the base portion.
  • the hinge further includes a first limiter, the first limiter is installed on the fixed bracket and forms a first sliding groove with the fixed bracket, and the moving block can slide installed in the first chute;
  • a protrusion is provided on the wall surface of the first chute, a groove is provided on the base portion of the moving block, and the protrusion is slidably accommodated in the groove.
  • the first rotating mechanism includes a first rotating member
  • the second rotating mechanism includes a second rotating member
  • first rotating member and the second rotating member are respectively rotatably connected to the fixed bracket, the first gear is sleeved on the first rotating member, and the second gear is sleeved on the Describe the second rotating member.
  • 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 fixedly connected to the first rotating member
  • the second holding arm is fixedly 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 first elastic member, a second elastic member, a third elastic member, a fourth elastic member and a first limiting member;
  • first elastic member and the second elastic member are sleeved on the first rotating member, and the first elastic member is clamped between the first holding member and the first holding arm, The second elastic member is clamped between the second holder and the first limiting member; the third elastic member and the fourth elastic member are sleeved on the second rotating member, so The third elastic piece is clamped between the first holding piece and the second holding arm, and the fourth elastic piece is clamped between the second holding piece and the first limiting piece.
  • the embodiment of the present application also provides a flexible display panel, including:
  • a flexible display panel body including a flexible part and first and second parts connected to opposite ends of the flexible part;
  • a hinge comprising:
  • the first rotating mechanism includes a first transmission member, and the first transmission member is rotatably connected to the fixed bracket;
  • the second rotating mechanism which is arranged opposite to the first rotating mechanism, includes a second transmission member, and the second transmission member is rotatably connected to the fixed bracket;
  • the first transmission part and the second transmission part are movably connected to the moving block, so as to convert the rotation of the first transmission part and the second transmission part into the movement of the moving block linear motion, and drive the moving block away from or close to the fixed bracket;
  • the first part is fixedly connected to the first rotating part
  • the second part is fixedly connected to the second rotating part
  • the moving block is located under the flexible part
  • the first transmission member includes a first gear
  • the second transmission member includes a second gear
  • the moving block includes a rack
  • 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 rack is integrally formed with the base portion.
  • the hinge further includes a first limiter, the first limiter is installed on the fixed bracket and forms a first sliding groove with the fixed bracket, and the moving block can slide installed in the first chute;
  • a protrusion is provided on the wall surface of the first chute, a groove is provided on the base portion of the moving block, and the protrusion is slidably accommodated in the groove.
  • the first rotating mechanism includes a first rotating member
  • the second rotating mechanism includes a second rotating member
  • first rotating member and the second rotating member are respectively rotatably connected to the fixed bracket, the first gear is sleeved on the first rotating member, and the second gear is sleeved on the Describe the second rotating member.
  • 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 fixedly connected to the first rotating member
  • the second holding arm is fixedly 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 first elastic member, a second elastic member, a third elastic member, a fourth elastic member and a second limiting member;
  • first elastic member and the second elastic member are sleeved on the first rotating member, and the first elastic member is clamped between the first holding member and the first holding arm, The second elastic member is clamped between the second holding member and the second limiting member; the third elastic member and the fourth elastic member are sleeved on the second rotating member, so The third elastic piece is clamped between the first holding piece and the second holding arm, and the fourth elastic piece is clamped between the second holding piece and the second limiting piece.
  • the embodiment of the present application also provides an electronic device, including a flexible display panel, and the flexible display panel includes:
  • a flexible display panel body including a flexible part and first and second parts connected to opposite ends of the flexible part;
  • a hinge comprising:
  • the first rotating mechanism includes a first transmission member, and the first transmission member is rotatably connected to the fixed bracket;
  • the second rotating mechanism which is arranged opposite to the first rotating mechanism, includes a second transmission member, and the second transmission member is rotatably connected to the fixed bracket;
  • the first transmission part and the second transmission part are movably connected to the moving block, so as to convert the rotation of the first transmission part and the second transmission part into the movement of the moving block linear motion, and drive the moving block away from or close to the fixed bracket;
  • the first part is fixedly connected to the first rotating mechanism
  • the second part is fixedly connected to the second rotating mechanism
  • the moving block is located under the flexible part
  • the first transmission member includes a first gear
  • the second transmission member includes a second gear
  • the moving block includes a rack
  • 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 rack is integrally formed with the base portion.
  • the hinge further includes a first limiter, the first limiter is installed on the fixed bracket and forms a first sliding groove with the fixed bracket, and the moving block can slide installed in the first chute;
  • a protrusion is provided on the wall surface of the first chute, a groove is provided on the base portion of the moving block, and the protrusion is slidably accommodated in the groove.
  • 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 first rotating mechanism, a second rotating mechanism and a moving block
  • the first rotating mechanism includes a first transmission part
  • the first transmission part is rotatably connected to The fixed bracket
  • the second rotating mechanism is arranged opposite to the first rotating mechanism
  • the second rotating mechanism includes a second transmission member
  • the second transmission member is rotatably connected to the fixed bracket
  • the first part is fixedly connected to the first rotating mechanism
  • the second part Fixedly connected to the second rotating mechanism
  • the moving block is located under the flexible part
  • the moving block is integrally formed
  • the first transmission part and the second transmission part are movably connected to the moving block, so as to connect the first transmission part and the second transmission part
  • the rotation of the second transmission member is converted into the linear motion of the moving block, and the moving block is driven away from or close to the fixed bracket, and the first rotating mechanism and the second rotating mechanism are linked by using the moving block, so that the first rotating mechanism and the second rotating mechanism
  • the rotation speed of the rotation mechanism is always kept the same
  • 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 a hinge provided in an embodiment of the present application.
  • Fig. 5 is an exploded schematic view of the hinge provided by the embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of the moving block and the fixed bracket provided by the embodiment of the present application.
  • Fig. 7 is a schematic diagram of the unfolding process of the hinge provided by the embodiment of the present application.
  • Fig. 8 is an exploded schematic view of the holding mechanism provided by the embodiment of the present application.
  • Fig. 9 is a schematic structural diagram of the first support plate and the second support plate provided by the embodiment of the present application.
  • Fig. 10 is a schematic diagram of the movement of the first support board and the second support board 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 casing 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 .
  • the first hinge 2a and the second hinge 2b may be arranged between the first housing 200 and the second housing 300, the first hinge 2a and the second hinge 2b are both connected to the first housing 200 and the second housing 300,
  • the first hinge 2a and the second hinge 2b may be configured to rotate the first housing 200 and the second housing 300 about two rotation axes parallel to the second direction y and spaced apart in the first direction x.
  • 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 the first hinge 2 a and the second hinge 2 b must be able to 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 .
  • Figure 4 is a schematic structural diagram of the hinge provided by the embodiment of the present application, it should be noted that, in the embodiment of the present application, the structure of the first hinge 2a and the second hinge 2b are the same, as shown in Figure 4 Only the first hinge 2a is taken as an example for illustration. Both the first hinge 2 a and the second hinge 2 b include a fixed bracket 10 , a first rotating mechanism 21 , a second rotating mechanism 22 and a moving block 23 .
  • the first rotating mechanism 21 and the second rotating mechanism 22 are respectively movably connected to the fixed bracket 10, the first rotating mechanism 21 and the second rotating mechanism 22 are oppositely arranged, and the first part 102 of the flexible display panel main body 1 is fixedly connected to the first In the rotating mechanism 21 , the second part 103 is fixedly connected to the second rotating mechanism 22 .
  • 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, and is located under the flexible part 101 of the flexible display panel main body 1.
  • the moving block 23 only moves along the The third direction z or the reverse movement opposite to the third direction z enables the first rotating mechanism 21 and the second rotating mechanism 22 to keep moving synchronously.
  • the first rotation mechanism 21 includes a first rotation member 211 and a first transmission member 212
  • the first transmission member 212 is rotatably connected to the fixed bracket 10
  • the second rotation mechanism 22 includes a second transmission member 222
  • the second transmission member 222 can Rotately connected to the fixed bracket 10
  • the first transmission member 212 and the second transmission member 222 are movably connected to the moving block 23, so as to convert the rotation of the first transmission member 212 and the second transmission member 222 into a straight line of the moving block 23 move, and drive the moving block 23 away from or close to the fixed bracket 10, the moving block 23 is integrally formed.
  • the first transmission member 212 and the second transmission member 222 rotate in opposite directions around the first axis L1 and the second axis L2 respectively, and the moving block 23 rotates between the first transmission member 212 and the second transmission member 222 Driven to move along a straight line, the moving block 23 moves along a straight line in a direction parallel to the third direction z.
  • FIG. 5 is an exploded schematic view of the hinge provided by the embodiment of the present application
  • FIG. 6 is a schematic structural view of the moving block and the fixed bracket provided by the embodiment of the present application.
  • the first rotating mechanism 21 includes a first rotating 211
  • the second rotating mechanism 22 includes a second rotating member 221
  • the first rotating member 211 and the second rotating member 221 are respectively rotatably connected to the fixed bracket 10
  • the first transmission member 212 includes a first
  • the gear 213 is sleeved on the first rotating member 211
  • the second transmission member 222 includes a second gear 223 sleeved on the second rotating member 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 .
  • the fixed connection between the first gear 213 and the first shaft 214 and the fixed connection between 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 may also be two independent parts, and the rack 232 may be fixedly connected to the base part 231 by means including but not limited to gluing, snap-fitting or threaded connection.
  • both the first hinge 2a and the second hinge 2b include 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 is sleeved on the first
  • the rotating shaft 214 is fixedly connected to the first rotating shaft 214
  • the second holding arm 242 is sheathed on the second rotating shaft 224 and is fixedly connected to the second rotating shaft 224 .
  • Figure 7 is a schematic diagram of the unfolding process of the 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. The closing or unfolding process of the hinge is reversible, from right to The left can be seen as 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 along the third direction z under the meshing action of the gear and the rack, and gradually moves away from the fixed bracket 10 .
  • 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 a direction opposite to the third direction z, and gradually approaches the fixed bracket 10 .
  • the moving block 23 In the process of opening or closing the hinge, the moving block 23 always moves 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 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 fixed bracket 10 also includes a 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. part 121
  • the second rotating part 221 passes through the second connecting part 122 .
  • the body portion 120 is provided with a through hole 123 , which passes through the body portion 120 in the third direction z, and the through hole 123 is used for fixing the fixing block 12 to the third housing 600 through screws.
  • 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 hinge also includes a first limiting member 13 , which is mounted on the fixed bracket 10 and forms a first sliding slot 14 with the fixing bracket 10 , and the moving block 23 is slidably installed in the first sliding slot 14 .
  • the first limiting member 13 has two connecting parts protruding from the body of the first limiting member 13 along the first direction x, and the two connecting parts are provided with shaft holes.
  • the first rotating shaft 214 and the second rotating shaft 224 pass through the shaft holes respectively, and can rotate relative to the first limiting member 13 .
  • the first 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 in the first chute 14 along the third direction z or the direction opposite to the third direction z, thereby ensuring that the first gear 213 and the second gear 223 Being able to rotate synchronously at the same rotation speed can also avoid jamming during the sliding process of the moving block 23 in the first chute 14 .
  • a protrusion 141 is provided on the wall surface of the first chute 14 , a groove 233 is formed on the base portion 231 of the moving block 23 , and the protrusion 141 is slidably accommodated in the groove 233 .
  • a protrusion 141 is provided on the sides facing each other of the first fixing bracket 11 and the first limiting member 13 , and a groove 233 is provided on opposite sides of the base portion 231 of the moving block 23 , The protrusion 141 is slidably received in the corresponding groove 233 .
  • the movement direction of the moving block 23 is further limited by the cooperation of the protrusion 141 and the groove 233, and the left and right deflection of the moving block 23 is prevented, thereby reducing the virtual position of the moving block 23 and the first chute 14, and increasing the movement of the moving block. 23 for stability during exercise.
  • 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 sliding groove 14, the more the number of grooves 233 and protrusions 141 required.
  • 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 actual situation, and can be 1, 2 or 3 or more, etc., which will not be done here. limit.
  • 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 part 101 is in the closed state and unfolded In the other 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. 8 is an exploded schematic diagram of the holding mechanism provided by the embodiment of the present application.
  • the first holding member 243 is provided with a The first cam C1 and the second cam C2, the first cam C1 may include a plurality of first protrusions C11, the plurality of first protrusions C11 protrude from the edge of the first cam C1 in the second direction y, adjacent to the second cam C1 A fifth groove C12 is formed between the protrusions C11 , 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, the plurality of second protrusions C21 protrude from the edge of the second cam C2 in the second direction y, and a sixth protrusion C21 is provided between adjacent second protrusions C21.
  • the first rotating shaft 214 passes through the second cam C2 and can rotate relative to the second cam C2.
  • the first holding arm 241 includes a fifth cam C5 protruding from the body of the first holding arm 241 in the first direction x, and the fifth cam C5 may include a plurality of cams C5 protruding from the fifth cam C5 in the second direction y.
  • the fifth protrusion C51 on the edge has a first groove C52 between adjacent fifth protrusions C51, and the first rotating shaft 214 passes through the fifth cam C5.
  • the second holding arm 242 includes a sixth cam C6 protruding from the body of the second holding arm 242 in the first direction x, and the sixth cam C6 may include a plurality of cams C6 protruding from the sixth cam C6 in the second direction y.
  • the sixth protrusion C61 on the edge has a second groove C62 between adjacent sixth protrusions C61, and 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 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, and the third cam C3 may include a plurality of third cams C3 protruding from the second direction y.
  • the third protrusion C31 on the edge of the third protrusion C31, the seventh groove C32 is provided between the adjacent third protrusion 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 the second direction y, and an eighth groove C42 is provided between adjacent fourth protrusions C41, through which the first shaft 214 passes.
  • the first holding arm 241 includes a seventh cam C7 protruding from the body of the first holding arm 241 in the first direction x, and the seventh cam C7 may include a plurality of cams C7 protruding from the seventh cam C7 in the second direction y.
  • the seventh protrusion C71 on the edge, a third groove C72 is provided between adjacent seventh protrusions C71, the first rotating shaft 214 passes through the seventh cam C7;
  • the second holding arm 242 includes a protrusion protruding in the first direction x
  • the eighth cam C8 may include a plurality of eighth protrusions C81 protruding from the edge of the eighth cam C8 in the second direction y, adjacent to the eighth protrusion
  • a fourth groove C82 is provided between the C81, and 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 also includes a first elastic piece 245, a second elastic piece 246, a third elastic piece 247, a fourth elastic piece 248 and a second stopper 249, the first elastic piece 245, the second elastic piece 246, the third elastic piece Both the elastic member 247 and the fourth elastic member 248 are springs.
  • the second limiting member 249 includes a third connecting portion and a fourth connecting portion protruding from both sides of the main body of the second limiting member 249 in the first direction x, and both the third connecting portion and the fourth connecting portion are provided with shafts.
  • the first rotating shaft 214 passes through the third connecting portion
  • the second rotating shaft 224 passes through the fourth connecting portion.
  • the first elastic member 245 and the second elastic member 246 are sheathed on the first rotating member 211, the first elastic member 245 is clamped between the first holding member 243 and the first holding arm 241, and the first connecting portion of the fixed block 12 Located between the fifth cam C5 of the first holding arm 241 and the first elastic piece 245, the second elastic piece 246 is clamped between the second holding piece 244 and the third connecting portion of the second limiting piece 249; the third The elastic member 247 and the fourth elastic member 248 are sheathed on the second rotating member 221, the third elastic member 247 is clamped between the first holding member 243 and the second holding arm 242, and the second connecting part of the fixed block 12 is located at the second Between the sixth cam C6 of the second holding arm 242 and the second elastic piece 246 , the fourth elastic piece 248 is clamped between the second holding piece 244 and the fourth connecting portion of the second limiting piece 249 .
  • the hinge When the electronic device 1000 is in a flat state or a fully folded state, the hinge is in an unfolded state or a fully closed state, the flexible part 101 is in a flat state or a fully folded state, and the first cam C1 of the first holding member 243 and the first holding arm 241
  • the fifth cam C5 is generally engaged
  • the second cam C2 of the first holder 243 is generally engaged with the sixth cam C6 of the second holder arm 242
  • the cam C7 is normally engaged
  • the fourth cam C4 of the second holder 244 is normally engaged with the eighth cam C8 of the second holder arm 242 .
  • 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 C72 of the seventh cam C7 , 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 hinge When the electronic device 1000 is in the transitional folded state, the hinge is in the transitional closed state, the flexible part 101 is in the bent state, the first cam C1 of the first holding member 243 is openly engaged with the fifth cam C5 of the first holding arm 241, and the first holding The second cam C2 of the piece 243 is openly engaged with the sixth cam C6 of the second holding arm 242; the third cam C3 of the second holding piece 244 is openly engaged with the seventh cam C7 of the first holding arm 241, and the second holding piece 244 The fourth cam C4 of the second retaining arm 242 is in open engagement with the eighth cam C8 of the second retaining arm 242 .
  • 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 protrusion C41 is gradually separated from the fourth groove C82
  • the first elastic member 245 to the fourth elastic member 248 are all compressed by each holding member, resulting in a gradual increase in elastic deformation.
  • the cams engaged with each other are open engagements, the pressure angle of each cam is 0, and the angle between the first part 102 and the second part 103 can be maintained at 30 degrees to 150 degrees, each The elastic deformation of the 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 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 holder 243 has a first fixed support plate 2431 and a second fixed support plate 2432, the first fixed support plate 2431 is located on the first cam C1, and the second fixed support plate 2432 is located on the second cam C2 , the first fixed support plate 2431 is integrally formed with the second fixed support plate 2432 , the first cam C1 and the second cam C2 and the main part of the first holder 243 .
  • the first fixed support plate 2431 and the second fixed support plate 2432 can be used to support the flexible part 101 of the flexible display panel main body 1 , thereby reducing creases at the flexible part 101 .
  • the first hinge 2a and the second hinge 2b further include a first limiting piece 251, a second limiting piece 252, a first fixing clip 253 and a second fixing clip 254, one end of the first rotating shaft 214 passing through the second limiting member 249 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 second limiting member 249 is sleeved sequentially There are a second limiting piece 252 and a second fixing clip 254 .
  • Figure 9 is a schematic structural view of the first support plate and the second support plate provided by the embodiment of the present application
  • the first hinge 2a and the second hinge 2b both include a first support plate 26 and a second support plate 27
  • the first support plate 26 is connected to the first holding arm 241 to move under the driving of the first holding arm 241
  • the second support plate 27 is connected to the second holding arm 242 to move under the driving of the second holding arm 242 .
  • the first support plate 26 is fixedly connected to the front side of the first housing 200 by screws, the first support plate 26 can be used to support the first part 102, and the second support plate 27 is fixed to the front side of the second housing 300 by screws In connection, the second support plate 27 can be used to support the second part 103 .
  • the first support plate 26 is provided with a second chute 261
  • the second support plate 27 is provided with a third chute 271
  • both of the second chute 261 and the third chute 271 are linear chute.
  • the first holding arm 241 includes a fifth connecting portion 2411
  • the second holding arm 242 includes a sixth connecting portion 2421
  • both the fifth connecting portion 2411 and the sixth connecting portion 2421 are provided with shaft holes.
  • the hinge further includes a first fixing part 262 , a second fixing part 272 , a third fixing clip 263 and a fourth fixing clip 273 , and both the first fixing part 262 and the second fixing part 272 are pin shafts.
  • the first fixing member 262 passes through the second sliding groove 261 and the shaft hole of the fifth connecting portion 2411, and is fixedly connected with the first holding arm 241.
  • One end of the first fixing member 262 passing through the fifth connecting portion 2411 is sleeved with a second Three fixing clips 263 , the first fixing member 262 can slide and rotate relative to the second slide slot 261 .
  • the second fixing piece 272 passes through the third sliding groove 271 and the shaft hole of the sixth connecting portion 2421, and is fixedly connected with the second holding arm 242.
  • One end of the second fixing piece 272 passing through the sixth connecting portion 2421 is sleeved Four fixing clips 273 , the second fixing member 272 can slide and rotate relative to the third slide slot 271 .
  • the first support plate 26 is provided with a first sliding block 264
  • the second support plate 27 is provided with a second sliding block 274
  • the fixed bracket 10 includes a second fixed bracket 15, and the second fixed bracket 15 is fixed to the first fixed bracket 11. connect.
  • the second fixed bracket 15 is provided with a fourth chute 151 and a fifth chute 152
  • the first sliding block 264 is slidably installed in the fourth chute 151
  • the second sliding block 274 is slidably installed in the fifth chute Within 152.
  • the first sliding block 264 is integrally formed with the main body of the first supporting plate 26
  • the second sliding block 274 is integrally formed with the main body of the second supporting plate 27 .
  • first sliding block 264 and the first support plate 26 can be two independent components, and the first sliding block 264 and the first support plate 26 can be fixedly connected by screw connection or snap-fitting.
  • the second sliding block 274 and the second supporting plate 27 can be two independent parts, and the second sliding block 274 and the second supporting plate 27 can be fixedly connected by screw connection or snap-fitting.
  • the hinge When the hinge is in the unfolded state, the position of the first fixing member 262 in the second chute 261 is different from that of the first fixing member 262 in the second chute 261 when the hinge is in the closed state; the hinge is in the unfolded state When the hinge is closed, the position of the second fixing member 272 in the third sliding slot 271 is different from that of the second fixing member 272 in the third sliding slot 271 when the hinge is in a closed state.
  • Figure 10 is a schematic diagram of the movement of the first support plate and the second support plate provided by the embodiment of the present application.
  • the second fixing member 272 is located at the end of the third sliding slot 271 close to the second fixing bracket 15 .
  • the first support plate 26 and the second support plate 27 rotate oppositely in the direction of the arrow shown in the figure, and the first support plate 26 rotates in the direction of the arrow in the figure.
  • the first fixing member 262 drives the first holding arm 241 to rotate in the same direction, and the first fixing member 262 slides in the second chute 261 in the direction of the arrow shown in the figure, and gradually moves away from the second fixing bracket 15;
  • the second fixing member 272 drives the second holding arm 242 to rotate in the same direction, and the second fixing member 272 slides in the third slide groove 271 in the direction of the arrow shown in the figure. And gradually move away from the second fixing bracket 15 .
  • the flexible part 101 When the electronic device 1000 is in a flat state, the flexible part 101 is in a flat state, the first fixing member 262 is located at the end of the second sliding slot 261 away from the second fixing bracket 15 , and the second fixing member 272 is located at the end of the third sliding slot 271 away from the second One end of the fixed bracket 15.
  • the first support plate 26 is provided with a first escape opening 265 and the second escape opening 266
  • the second support plate 27 is provided with a third escape opening 275 and a fourth escape opening 276 .
  • the first avoidance opening 265 exposes the main body portion of the first holding arm 241 and the first fixed support plate 2431 of the first holder 243
  • the second avoidance opening 266 exposes the moving block 23 A part of
  • the third escape opening 275 exposes the main body portion of the second holding arm 242 and the second fixed support plate 2432 of the first retainer 243
  • the fourth escape opening 276 exposes the rest of the moving block 23, thereby Prevent the first support plate 26 and the second support plate 27 from blocking the movement of the first holding arm 241 , the second holding arm 242 and the moving block 23 .
  • the hinge further includes a third support plate 28 and a fourth support plate 29, the third support plate 28 is fixedly connected to the front side of the first housing 200 by screws, and the third support plate 28 is on the same plane as the first support plate 26, and is used to support the first part 102; the fourth support plate 29 is fixedly connected to the second housing 300 by screws, and the fourth support plate 29 is on the same plane as the second support plate 27. Used to support the second part 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 first rotating mechanism, a second rotating mechanism and a moving block
  • the first rotating mechanism includes a first transmission part
  • the first transmission part is rotatably connected to The fixed bracket
  • the second rotating mechanism is arranged opposite to the first rotating mechanism
  • the second rotating mechanism includes a second transmission member
  • the second transmission member is rotatably connected to the fixed bracket
  • the first part is fixedly connected to the first rotating mechanism
  • the second The part is fixedly connected to the second rotating mechanism
  • the moving block is located under the flexible part
  • the moving block is integrally formed
  • the first transmission part and the second transmission part are movably connected to the moving block, so that the first transmission part and the second transmission part can be movably connected.
  • the rotation of the second transmission member is converted into the linear motion of the moving block, and drives the moving block away from or close to the fixed bracket, and uses the moving block to link the first rotating mechanism and the second rotating mechanism, so that the first rotating mechanism and the second rotating mechanism
  • the rotation speeds of the two rotating mechanisms are always kept the same, so that the electronic device can achieve the effect of bilateral synchronous movement, avoiding the main body of the flexible display panel from being squeezed or pulled when the electronic device is folded or unfolded, thereby improving the service life of the electronic device.

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Abstract

一种铰链（2）、柔性显示面板（100）及电子装置（1000），电子装置（1000）包括柔性显示面板（100），柔性显示面板（100）包括柔性显示面板主体（1）和铰链（2），铰链（2）包括第一转动机构（21）、第二转动机构（22）和运动块（23），利用运动块（23）将第一转动机构（21）和第二转动机构（22）联动，使电子装置（1000）能够实现双边同步运动的效果，避免柔性显示面板主体（1）在折叠或展开的过程中被挤压或拉扯。

Description

铰链、柔性显示面板及电子装置 技术领域
本申请涉及显示技术领域，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
目前可折叠的电子装置通过铰链中相对设置的两个转动机构实现展开和闭合的效果。在电子装置折叠或展开的过程中，由于铰链中的两个转动机构的转动速度不能始终保持相同，使得电子装置无法实现双边同步旋转，导致电子装置的柔性显示面板主体被铰链挤压或拉扯，降低了电子装置的使用寿命。
综上所述，现有可折叠的电子装置中的铰链存在无法实现双边同步旋转的问题。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，用于解决现有可折叠的电子装置中的铰链存在的无法实现双边同步旋转的问题。
本申请实施例提供一种铰链，包括：
固定支架；
第一转动机构，包括第一传动件，所述第一传动件可转动地连接于所述固定支架；
第二转动机构，与所述第一转动机构相对设置，包括第二传动件，所述第二传动件可转动地连接于所述固定支架；以及
运动块，所述第一传动件和所述第二传动件可活动地连接于所述运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动所述运动块远离或靠近所述固定支架，所述运动块为一体成型结构。
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，所述齿条与所述基体部一体成型。
根据本申请一实施例，所述铰链还包括第一限位件，所述第一限位件安装于所述固定支架并与所述固定支架围成第一滑槽，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，所述运动块的所述基体部设有凹槽，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，所述第二转动机构包括第二转动件；
其中，所述第一转动件和所述第二转动件分别可转动地连接于所述固定支架，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。
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，所述第一保持臂固定连接于所述第一转动件，所述第二保持臂固定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，当所述铰链处于展开状态或闭合状态中的一种状态时，所述第一凹槽收容所述第一凸起，所述第二凹槽收容所述第二凸起；当所述铰链处于所述展开状态或所述闭合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，当所述铰链处于所述展开状态或所述闭合状态中的一种状态时，所述第三凹槽收容所述第三凸起，所述第四凹槽收容所述第四凸起；当所述铰链处于所述展开状态或所述闭合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。
根据本申请一实施例，所述保持机构还包括第一弹性件、第二弹性件、第三弹性件、第四弹性件和第一限位件；
其中，所述第一弹性件和所述第二弹性件套设于所述第一转动件，所述第一弹性件夹持于所述第一保持件与所述第一保持臂之间，所述第二弹性件夹持于所述第二保持件与所述第一限位件之间；所述第三弹性件和所述第四弹性件套设于所述第二转动件，所述第三弹性件夹持于所述第一保持件与所述第二保持臂之间，所述第四弹性件夹持于所述第二保持件与所述第一限位件之间。
本申请实施例还提供一种柔性显示面板，包括：
柔性显示面板主体，包括柔性部和连接于所述柔性部的相对两端的第一部和第二部；以及
铰链，所述铰链包括：
固定支架；
第一转动机构，包括第一传动件，所述第一传动件可转动地连接于所述固定支架；
第二转动机构，与所述第一转动机构相对设置，包括第二传动件，所述第二传动件可转动地连接于所述固定支架；以及
运动块，所述第一传动件和所述第二传动件可活动地连接于所述运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动所述运动块远离或靠近所述固定支架；
其中，所述第一部固定连接于所述第一转动件，所述第二部固定连接于所述第二转动件，所述运动块位于所述柔性部之下。
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，所述齿条与所述基体部一体成型。
根据本申请一实施例，所述铰链还包括第一限位件，所述第一限位件安装于所述固定支架并与所述固定支架围成第一滑槽，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，所述运动块的所述基体部设有凹槽，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，所述第二转动机构包括第二转动件；
其中，所述第一转动件和所述第二转动件分别可转动地连接于所述固定支架，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。
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，所述第一保持臂固定连接于所述第一转动件，所述第二保持臂固定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，当所述铰链处于展开状态或闭合状态中的一种状态时，所述第一凹槽收容所述第一凸起，所述第二凹槽收容所述第二凸起；当所述铰链处于所述展开状态或所述闭合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，当所述铰链处于所述展开状态或所述闭合状态中的一种状态时，所述第三凹槽收容所述第三凸起，所述第四凹槽收容所述第四凸起；当所述铰链处于所述展开状态或所述闭合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。
根据本申请一实施例，所述保持机构还包括第一弹性件、第二弹性件、第三弹性件、第四弹性件和第二限位件；
其中，所述第一弹性件和所述第二弹性件套设于所述第一转动件，所述第一弹性件夹持于所述第一保持件与所述第一保持臂之间，所述第二弹性件夹持于所述第二保持件与所述第二限位件之间；所述第三弹性件和所述第四弹性件套设于所述第二转动件，所述第三弹性件夹持于所述第一保持件与所述第二保持臂之间，所述第四弹性件夹持于所述第二保持件与所述第二限位件之间。
本申请实施例还提供一种电子装置，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，包括柔性部和连接于所述柔性部的相对两端的第一部和第二部；以及
铰链，所述铰链包括：
固定支架；
第一转动机构，包括第一传动件，所述第一传动件可转动地连接于所述固定支架；
第二转动机构，与所述第一转动机构相对设置，包括第二传动件，所述第二传动件可转动地连接于所述固定支架；以及
运动块，所述第一传动件和所述第二传动件可活动地连接于所述运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动所述运动块远离或靠近所述固定支架；
其中，所述第一部固定连接于所述第一转动机构，所述第二部固定连接于所述第二转动机构，所述运动块位于所述柔性部之下。
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，所述齿条与所述基体部一体成型。
根据本申请一实施例，所述铰链还包括第一限位件，所述第一限位件安装于所述固定支架并与所述固定支架围成第一滑槽，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，所述运动块的所述基体部设有凹槽，所述凸起可滑动地收容于所述凹槽内。
 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和连接于柔性部的相对端的第一部和第二部，铰链包括第一转动机构、第二转动机构和运动块，第一转动机构包括第一传动件，第一传动件可转动地连接于固定支架，第二转动机构与第一转动机构相对设置，第二转动机构包括第二传动件，第二传动件可转动地连接于固定支架第一部固定连接于第一转动机构，第二部固定连接于第二转动机构，运动块位于柔性部之下，运动块为一体成型结构，第一传动件和第二传动件可活动地连接于运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动运动块远离或靠近固定支架，利用运动块将第一转动机构和第二转动机构联动，使得第一转动机构和第二转动机构的转动速度始终保持相同，从而使电子装置能够实现双边同步运动的效果，避免柔性显示面板主体在电子装置折叠或展开的过程中被挤压或拉扯。
 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铰链的结构示意图；
图5为本申请实施例提供的铰链的分解示意图；
图6为本申请实施例提供的运动块和固定支架的结构示意图；
图7为本申请实施例提供的铰链的展开过程的示意图；
图8为本申请实施例提供的保持机构的分解示意图；
图9为本申请实施例提供的第一支撑板和第二支撑板的结构示意图；
图10为本申请实施例提供的第一支撑板和第二支撑板的运动示意图。
 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均与第一壳体200和第二壳体300连接，第一铰链2a和第二铰链2b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，但必须满足第一铰链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的相对侧可以插入第一壳体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。
如图3和图4所示，图4为本申请实施例提供的铰链的结构示意图，需要说明的是，在本申请实施例中，第一铰链2a和第二铰链2b的结构相同，图4仅以第一铰链2a为例进行说明。第一铰链2a和第二铰链2b均包括固定支架10、第一转动机构21、第二转动机构22以及运动块23。
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，柔性显示面板主体1的第一部102固定连接于第一转动机构21，第二部103固定连接于第二转动机构22。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，并且位于柔性显示面板主体1的柔性部101之下，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，第一传动件212可转动地连接于固定支架10，第二转动机构22包括第二传动件222，第二传动件222可转动地连接于固定支架10，第一传动件212和第二传动件222可活动地连接于运动块23，以将第一传动件212和第二传动件222的转动转化为运动块23的直线运动，并驱动运动块23远离或靠近固定支架10，运动块23为一体成型结构。
在本申请实施例中，第一传动件212和第二传动件222分别绕第一轴线L1和第二轴线L2以相反的方向旋转，运动块23在第一传动件212和第二传动件222的驱动下沿直线运动，运动块23沿直线运动的方向与第三方向z平行。
结合图4至图6所示，图5为本申请实施例提供的铰链的分解示意图，图6为本申请实施例提供的运动块和固定支架的结构示意图，第一转动机构21包括第一转动件211，所述第二转动机构22包括第二转动件221，第一转动件211和所述第二转动件221分别可转动地连接于所述固定支架10，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的固定连接方式以及第二齿轮223与第二转轴224的固定连接方式包括但不限于键连接或过盈配合连接。
如图6所示，运动块23包括基体部231和设置于基体部231的外侧的齿条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。
如图4和图5所示，第一铰链2a和第二铰链2b均包括保持机构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套设于第一转轴214，并与第一转轴214固定连接，第二保持臂242套设于第二转轴224，并与第二转轴224固定连接。
如图7所示，图7为本申请实施例提供的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，铰链的闭合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运动，并逐渐远离固定支架10。
在铰链闭合的过程中，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，并逐渐靠近固定支架10。
在铰链展开或闭合的过程中，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。
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，过孔123用于将固定块12通过螺钉固定连接于第三壳体600上。
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。
铰链还包括第一限位件13，第一限位件13安装于固定支架10并与固定支架10围成第一滑槽14，运动块23可滑动地安装于第一滑槽14内。
如图6所示，第一限位件13具有沿第一方向x凸出于第一限位件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，并且可以相对于第一限位件13转动。
第一限位件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相反的方向运动，从而保证第一齿轮213和第二齿轮223能够以相同的转动速度同步转动，还可以避免运动块23在第一滑槽14内滑动的过程中发生卡顿。
进一步的，第一滑槽14的壁面上设有凸起141，运动块23的基体部231设有凹槽233，凸起141可滑动地收容于凹槽233内。
如图6所示，第一固定支架11和第一限位件13面向彼此的一侧均设有一个凸起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可滑动地收容于对应的凹槽233内。如此通过凸起141和凹槽233的配合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。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，可以为1个、2个或3个及以上等，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。当铰链处于闭合状态或展开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收容所述第二凸起C21，当柔性部101处于闭合状态和展开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8，图8为本申请实施例提供的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在第二方向y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包括在第一方向x上凸出于第一保持臂241的本体的第五凸轮C5，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包括在第一方向x上凸出于第二保持臂242的本体的第六凸轮C6，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收容所述第三凸起C31，所述第四凹槽C82收容所述第四凸起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，第三凸起C31脱离第三凹槽C72，第四凸起C41脱离第四凹槽C82。
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可以包括多个在第二方向y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可以包括多个在第二方向y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包括在第一方向x上凸出于第一保持臂241的本体的第七凸轮C7，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包括在第一方向x上凸出于第二保持臂242的本体的第八凸轮C8，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还包括第一弹性件245、第二弹性件246、第三弹性件247、第四弹性件248和第二限位件249，第一弹性件245、第二弹性件246、第三弹性件247、第四弹性件248均为弹簧。第二限位件249包括在第一方向x上凸出于第二限位件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。
第一弹性件245和第二弹性件246套设于第一转动件211，第一弹性件245夹持于第一保持件243与第一保持臂241之间，固定块12的第一连接部位于第一保持臂241的第五凸轮C5与第一弹性件245之间，第二弹性件246夹持于第二保持件244与第二限位件249的第三连接部之间；第三弹性件247和第四弹性件248套设于第二转动件221，第三弹性件247夹持于第一保持件243与第二保持臂242之间，固定块12的第二连接部位于第二保持臂242的第六凸轮C6与第二弹性件246之间，第四弹性件248夹持于第二保持件244与第二限位件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，铰链处于展开状态或完全闭合状态，柔性部101处于平坦状态或完全折叠状态，第一保持件243的第一凸轮C1与第一保持臂241的第五凸轮C5普通接合，第一保持件243的第二凸轮C2与第二保持臂242的第六凸轮C6普通接合；第二保持件244的第三凸轮C3与第一保持臂241的第七凸轮C7普通接合，第二保持件244的第四凸轮C4与第二保持臂242的第八凸轮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，铰链处于过渡闭合状态，柔性部101处于弯曲状态，第一保持件243的第一凸轮C1与第一保持臂241的第五凸轮C5开放接合，第一保持件243的第二凸轮C2与第二保持臂242的第六凸轮C6开放接合；第二保持件244的第三凸轮C3与第一保持臂241的第七凸轮C7开放接合，第二保持件244的第四凸轮C4与第二保持臂242的第八凸轮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，第一弹性件245至第四弹性件248均被各保持件压缩，导致弹性变形量逐渐增大。当第一部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，各相互接合的凸轮为开放接合，各凸轮的压力角为0，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。
进一步的，第一保持件243具有第一固定支撑板2431和第二固定支撑板2432，第一固定支撑板2431位于第一凸轮C1之上，第二固定支撑板2432位于第二凸轮C2之上，第一固定支撑板2431与第二固定支撑板2432、第一凸轮C1和第二凸轮C2以及第一保持件243的主体部分一体成型。当铰链处于展开状态时，第一固定支撑板2431和第二固定支撑板2432可以用于支撑柔性显示面板主体1的柔性部101，以此减轻柔性部101处的折痕。
在一实施例中，如图4和图5所示，第一铰链2a和第二铰链2b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穿过第二限位件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穿过第二限位件249的一端依次套设有第二限位片252和第二固定夹254。
如图9所示，图9为本申请实施例提供的第一支撑板和第二支撑板的结构示意图，第一铰链2a和第二铰链2b均包括第一支撑板26和第二支撑板27，第一支撑板26连接于第一保持臂241以在第一保持臂241的驱动下运动，第二支撑板27连接于第二保持臂242以在第二保持臂242的驱动下运动。第一支撑板26与第一壳体200的前侧通过螺钉固定连接，第一支撑板26可以用于支撑第一部102，第二支撑板27与第二壳体300的前侧通过螺钉固定连接，第二支撑板27可以用于支撑第二部103。
第一支撑板26设有第二滑槽261，第二支撑板27设有第三滑槽271，第二滑槽261和第三滑槽271均为直线型滑槽。第一保持臂241包括第五连接部2411，第二保持臂242包括第六连接部2421，第五连接部2411和第六连接部2421均设有轴孔。
铰链还包括第一固定件262、第二固定件272、第三固定夹263和第四固定夹273，第一固定件262和第二固定件272均为销轴。第一固定件262穿过第二滑槽261以及第五连接部2411的轴孔，并且与第一保持臂241固定连接，第一固定件262穿过第五连接部2411的一端套设有第三固定夹263，第一固定件262可以相对于第二滑槽261滑动和转动。第二固定件272穿过第三滑槽271和第六连接部2421的轴孔，并且与第二保持臂242固定连接，第二固定件272穿过第六连接部2421的一端套设有第四固定夹273，第二固定件272可以相对于第三滑槽271滑动和转动。
第一支撑板26上设有第一滑动块264，第二支撑板27上设有第二滑动块274，固定支架10包括第二固定支架15，第二固定支架15与第一固定支架11固定连接。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264可滑动地安装于第四滑槽151内，第二滑动块274滑动地安装于第五滑槽152内。第一滑动块264与第一支撑板26的本体部一体成型，第二滑动块274与第二支撑板27的本体部一体成型。在实际应用中，第一滑动块264与第一支撑板26可以为两个独立的零部件，第一滑动块264与第一支撑板26可以通过螺纹连接或者卡合的方式固定连接。第二滑动块274与第二支撑板27可以为两个独立的零部件，第二滑动块274与第二支撑板27可以通过螺纹连接或者卡合的方式固定连接。
铰链处于所述展开状态时，第一固定件262在第二滑槽261中的位置，与铰链处于闭合状态时，第一固定件262在第二滑槽261中的位置不同；铰链处于展开状态时，第二固定件272在第三滑槽271中的位置，与铰链处于闭合状态时，第二固定件272在第三滑槽271中的位置不同。
如图10所示，图10为本申请实施例提供的第一支撑板和第二支撑板的运动示意图，当电子装置1000处于完全折叠状态时，第一固定件262处于第二滑槽261靠近第二固定支架15的一端，第二固定件272处于第三滑槽271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，第一支撑板26和第二支撑板27按图示箭头的方向相背转动，第一支撑板26按图示箭头的方向转动的过程中，通过第一固定件262带动第一保持臂241同向转动，第一固定件262在第二滑槽261中按照图示的箭头方向滑动，并逐渐远离第二固定支架15；第二支撑板27按照图示箭头的方向转动的过程中，通过第二固定件272带动第二保持臂242同向转动，第二固定件272在第三滑槽271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，第一固定件262处于第二滑槽261远离第二固定支架15的一端，第二固定件272处于第三滑槽271远离第二固定支架15的一端。
第一支撑板26上设有第一避位开口265和第二避位开口266，第二支撑板27上设有第三避位开口275和第四避位开口276。当电子装置1000处于平坦状态时，第一避位开口265暴露出第一保持臂241的主体部分以及第一保持件243的第一固定支撑板2431，第二避位开口266暴露出运动块23的一部分；第三避位开口275暴露出第二保持臂242的主体部分以及第一保持件243的第二固定支撑板2432，第四避位开口276暴露出运动块23的剩余部分，以此避免第一支撑板26和第二支撑板27阻挡第一保持臂241、第二保持臂242以及运动块23的运动。
在一实施例中，如图3所示，铰链还包括第三支撑板28和第四支撑板29，第三支撑板28与第一壳体200的前侧通过螺钉固定连接，第三支撑板28与第一支撑板26处于同一平面，用于支撑第一部102；第四支撑板29与第二壳体300通过螺钉固定连接，第四支撑板29与第二支撑板27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和连接于柔性部的相对端的第一部和第二部，铰链包括第一转动机构、第二转动机构和运动块，第一转动机构包括第一传动件，第一传动件可转动地连接于固定支架，第二转动机构与第一转动机构相对设置，第二转动机构包括第二传动件，第二传动件可转动地连接于固定支架，第一部固定连接于第一转动机构，第二部固定连接于第二转动机构，运动块位于柔性部之下，运动块为一体成型结构，第一传动件和第二传动件可活动地连接于运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动运动块远离或靠近固定支架，利用运动块将第一转动机构和第二转动机构联动，使得第一转动机构和第二转动机构的转动速度始终保持相同，从而使电子装置能够实现双边同步运动的效果，避免柔性显示面板主体在电子装置折叠或展开的过程中被挤压或拉扯，从而提高电子装置的使用寿命。
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. 一种铰链，包括：
    固定支架；
    第一转动机构，包括第一传动件，所述第一传动件可转动地连接于所述固定支架；
    第二转动机构，与所述第一转动机构相对设置，包括第二传动件，所述第二传动件可转动地连接于所述固定支架；以及
    运动块，所述第一传动件和所述第二传动件可活动地连接于所述运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动所述运动块远离或靠近所述固定支架。
  2. 如权利要求1所述的铰链，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，所述第一齿轮和所述第二齿轮均啮合于所述齿条。
  3. 如权利要求2所述的铰链，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，所述齿条与所述基体部一体成型。
  4. 如权利要求3所述的铰链，其中，所述铰链还包括第一限位件，所述第一限位件安装于所述固定支架并与所述固定支架围成第一滑槽，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，所述运动块的所述基体部设有凹槽，所述凸起可滑动地收容于所述凹槽内。
  5. 如权利要求2所述的铰链，其中，所述第一转动机构包括第一转动件，所述第二转动机构包括第二转动件；
    其中，所述第一转动件和所述第二转动件分别可转动地连接于所述固定支架，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。
  6. 如权利要求5所述的铰链，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，所述第一保持臂固定连接于所述第一转动件，所述第二保持臂固定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，当所述铰链处于展开状态或闭合状态中的一种状态时，所述第一凹槽收容所述第一凸起，所述第二凹槽收容所述第二凸起；当所述铰链处于所述展开状态或所述闭合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。
  7. 如权利要求6所述的铰链，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，当所述铰链处于所述展开状态或所述闭合状态中的一种状态时，所述第三凹槽收容所述第三凸起，所述第四凹槽收容所述第四凸起；当所述铰链处于所述展开状态或所述闭合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。
  8. 如权利要求7所述的铰链，其中，所述保持机构还包括第一弹性件、第二弹性件、第三弹性件、第四弹性件和第二限位件；
    其中，所述第一弹性件和所述第二弹性件套设于所述第一转动件，所述第一弹性件夹持于所述第一保持件与所述第一保持臂之间，所述第二弹性件夹持于所述第二保持件与所述第二限位件之间；所述第三弹性件和所述第四弹性件套设于所述第二转动件，所述第三弹性件夹持于所述第一保持件与所述第二保持臂之间，所述第四弹性件夹持于所述第二保持件与所述第二限位件之间。
  9. 一种柔性显示面板，包括：
    柔性显示面板主体，包括柔性部和连接于所述柔性部的相对两端的第一部和第二部；以及
    铰链，所述铰链包括：
    固定支架；
    第一转动机构，包括第一传动件，所述第一传动件可转动地连接于所述固定支架；
    第二转动机构，与所述第一转动机构相对设置，包括第二传动件，所述第二传动件可转动地连接于所述固定支架；以及
    运动块，所述第一传动件和所述第二传动件可活动地连接于所述运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动所述运动块远离或靠近所述固定支架；
    其中，所述第一部固定连接于所述第一转动机构，所述第二部固定连接于所述第二转动机构，所述运动块位于所述柔性部之下。
  10. 如权利要求9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，所述第一齿轮和所述第二齿轮均啮合于所述齿条。
  11. 如权利要求10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，所述齿条与所述基体部一体成型。
  12. 如权利要求11所述的柔性显示面板，其中，所述铰链还包括第一限位件，所述第一限位件安装于所述固定支架并与所述固定支架围成第一滑槽，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，所述运动块的所述基体部设有凹槽，所述凸起可滑动地收容于所述凹槽内。
  13. 如权利要求10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，所述第二转动机构包括第二转动件；
    其中，所述第一转动件和所述第二转动件分别可转动地连接于所述固定支架，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。
  14. 如权利要求13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，所述第一保持臂固定连接于所述第一转动件，所述第二保持臂固定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，当所述铰链处于展开状态或闭合状态中的一种状态时，所述第一凹槽收容所述第一凸起，所述第二凹槽收容所述第二凸起；当所述铰链处于所述展开状态或所述闭合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。
  15. 如权利要求14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，当所述铰链处于所述展开状态或所述闭合状态中的一种状态时，所述第三凹槽收容所述第三凸起，所述第四凹槽收容所述第四凸起；当所述铰链处于所述展开状态或所述闭合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。
  16. 如权利要求15所述的柔性显示面板，其中，所述保持机构还包括第一弹性件、第二弹性件、第三弹性件、第四弹性件和第二限位件；
    其中，所述第一弹性件和所述第二弹性件套设于所述第一转动件，所述第一弹性件夹持于所述第一保持件与所述第一保持臂之间，所述第二弹性件夹持于所述第二保持件与所述第二限位件之间；所述第三弹性件和所述第四弹性件套设于所述第二转动件，所述第三弹性件夹持于所述第一保持件与所述第二保持臂之间，所述第四弹性件夹持于所述第二保持件与所述第二限位件之间。
  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，包括柔性部和连接于所述柔性部的相对两端的第一部和第二部；以及
    铰链，所述铰链包括：
    固定支架；
    第一转动机构，包括第一传动件，所述第一传动件可转动地连接于所述固定支架；
    第二转动机构，与所述第一转动机构相对设置，包括第二传动件，所述第二传动件可转动地连接于所述固定支架；以及
    运动块，所述第一传动件和所述第二传动件可活动地连接于所述运动块，以将所述第一传动件和所述第二传动件的转动转化为所述运动块的直线运动，并驱动所述运动块远离或靠近所述固定支架；
    其中，所述第一部固定连接于所述第一转动机构，所述第二部固定连接于所述第二转动机构，所述运动块位于所述柔性部之下。
  18. 如权利要求17所述的电子装置，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，所述第一齿轮和所述第二齿轮均啮合于所述齿条。
  19. 如权利要求18所述的电子装置，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，所述齿条与所述基体部一体成型。
  20. 如权利要求19所述的电子装置，其中，所述铰链还包括第一限位件，所述第一限位件安装于所述固定支架并与所述固定支架围成第一滑槽，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，所述运动块的所述基体部设有凹槽，所述凸起可滑动地收容于所述凹槽内。
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