WO2022228394A1 - 支撑结构及电子设备 - Google Patents

支撑结构及电子设备 Download PDF

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Publication number
WO2022228394A1
WO2022228394A1 PCT/CN2022/089018 CN2022089018W WO2022228394A1 WO 2022228394 A1 WO2022228394 A1 WO 2022228394A1 CN 2022089018 W CN2022089018 W CN 2022089018W WO 2022228394 A1 WO2022228394 A1 WO 2022228394A1
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WO
WIPO (PCT)
Prior art keywords
support plate
support
rocker
screen
plate
Prior art date
Application number
PCT/CN2022/089018
Other languages
English (en)
French (fr)
Inventor
冯翔
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to KR1020237037888A priority Critical patent/KR20230164175A/ko
Priority to EP22794864.3A priority patent/EP4319107A1/en
Publication of WO2022228394A1 publication Critical patent/WO2022228394A1/zh
Priority to US18/485,491 priority patent/US20240036606A1/en

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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
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • 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
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • 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
    • 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
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • 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
    • H05K5/0086—Casings, cabinets or drawers for electric apparatus portable, e.g. battery operated apparatus
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a support structure and an electronic device.
  • the size of the support structure used to support the screen is determined by the above method, which cannot adapt to the change in the size of the screen itself, resulting in a certain limitation of the support area provided by the support structure, and thus cannot meet the support requirements of the display areas of different sizes of the screen.
  • the purpose of the embodiments of the present application is to provide a support structure and an electronic device, which can solve the problem that the support area provided by the support structure has certain limitations.
  • an embodiment of the present application provides a support structure for supporting a screen, including a first support plate, a second support plate, a third support plate and a transmission mechanism;
  • the first support plate and the second support plate are arranged side by side, the transmission mechanism is arranged on the side of the first support plate and the second support plate away from the screen, the third support plate and the the transmission mechanism is connected, and the transmission mechanism is rotatably connected with the first support plate and the second support plate;
  • the first support plate and the second support plate drive the third support plate in a direction away from the screen through the transmission mechanism move;
  • the transmission mechanism includes a first rocker, a second rocker and a transmission gear
  • the first end of the first rocker is hinged with the side wall of the first support plate
  • the first end of the second rocker is hinged with the side wall of the second support plate
  • the first rocker is hinged with the side wall of the second support plate.
  • the second end of the first rocker and the second end of the second rocker are respectively hinged on the third support plate, and the second end of the first rocker and the second end of the second rocker pass through the the transmission gear is connected;
  • the length of the first rocker is equal to the length of the second rocker, and the length of the first rocker is greater than the length of the third support plate in a first direction, wherein the first direction is vertical in the direction of the support surface of the third support plate.
  • the transmission gear includes a first gear and a second gear
  • the second end of the first rocker and the second end of the second rocker are both arc-shaped tooth surfaces, the second end of the first rocker is engaged with the first gear, and the first The gear meshes with the second gear, and the second end of the second rocker is meshed with the second gear.
  • a limit slot is provided on the side wall of the support plate
  • the second end of the first rocker, the second end of the second rocker and the transmission gear are all installed in the limit groove, and the limit groove is close to the groove of the first rocker
  • Both the wall and the groove wall of the limiting groove close to the second rocker are arc-shaped groove walls, and the arc surface of the arc-shaped groove wall is curved in a direction away from the first rocker, wherein,
  • the side wall of the third support plate is a surface perpendicular to the support surface of the third support plate.
  • the end of the first support plate close to the second support plate, both ends of the third support plate, and the end of the second support plate close to the first support plate are all provided There are multiple limit protrusions;
  • the limiting protrusions provided at the end of the first support plate are clamped to the two end portions of the second support plate between the limit protrusions;
  • the limiting protrusions provided at the end of the first support plate are clamped to two Between the limit protrusions, the limit protrusions provided at the end of the second support plate are clamped between the two limit protrusions provided at the other end of the third support plate.
  • the end of the first support plate that is close to the third support plate and the second support plate are close to each other.
  • An installation groove is formed between the ends of the third support plate, the third support plate is located in the installation groove, and the size of the notch of the installation groove is smaller than the size of the bottom of the groove, wherein the size of the installation groove is The notch and the supporting surface of the first supporting plate are on the same plane.
  • the limit protrusions provided at the end of the first support plate and the end of the second support plate are provided. clearance fit between the two limit protrusions.
  • the third support plate includes a support portion and a limit portion
  • the limiting portion is located on one side of the supporting portion, and the limiting portion protrudes from the supporting portion to form a limiting boss, where the first support plate and the second support plate are far away from each other In this case, the end of the first support plate is overlapped on the limiting boss.
  • an embodiment of the present application provides an electronic device, the electronic device includes a winding assembly, a housing, a screen, and the support structure described in the first aspect;
  • the winding assembly is arranged in the inner cavity of the housing, the screen is wound around the winding assembly, and when the first support plate and the second support plate are close to each other, the The winding assembly rotates along the first rotation direction, one end of the screen is retracted into the inner cavity of the housing, and the screen covers the support surface of the first support plate and the support surface of the second support plate superior;
  • the winding assembly rotates in the second rotation direction, one end of the screen protrudes from the inner cavity of the housing, the The screen is covered on the support surface of the first support plate, the support surface of the second support plate and the support surface of the third support plate, wherein the first rotation direction and the second rotation direction are opposite directions of rotation.
  • the electronic device includes one or more of the support structures.
  • the transmission mechanism is arranged on the side of the first support plate and the second support plate away from the screen, and the third support plate is arranged on the side away from the screen.
  • the plate is connected to the transmission mechanism, and the transmission mechanism is rotatably connected to the first support plate and the second support plate.
  • the first support plate and the second support plate can be kept away from each other, and the first support plate and the second supporting plate through the transmission mechanism to drive the third supporting plate to move in the direction close to the screen, so that the supporting surface of the third supporting plate and the supporting surface of the first supporting plate are located on the same plane, thus forming the supporting area of the supporting structure. That is, the sum of the supporting area of the first supporting plate, the supporting area of the second supporting plate and the supporting area of the third supporting plate. In this way, a larger support area can be provided by the third support plate to adapt to changes in the size of the screen itself, thereby meeting the support requirements of display areas of different sizes of the screen.
  • FIG. 1 is a schematic structural diagram of a support structure provided by an embodiment of the present application.
  • FIG. 2 is a schematic cross-sectional view of a support structure provided in an embodiment of the present application in a retracted state
  • FIG. 3 is a schematic diagram of the movement direction of the support structure provided by the embodiment of the present application during the unfolding process
  • FIG. 4 is a schematic cross-sectional view of the support structure provided in an embodiment of the present application in an unfolded state
  • FIG. 5 is a schematic structural diagram of a screen in a retracted state when an electronic device includes a plurality of support structures provided by an embodiment of the present application;
  • FIG. 6 is a schematic structural diagram of a screen in an unfolded state when an electronic device includes a plurality of support structures provided by an embodiment of the present application;
  • FIG. 7 is a schematic structural diagram of an electronic device with a screen in a retracted state provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an electronic device with a screen in an unfolded state provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of the cooperation between the third support plate and the transmission structure provided by the embodiment of the present application.
  • FIG. 10 is a partial structural schematic diagram of the first support plate and the second support plate provided by the embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between “first”, “second”, etc.
  • the objects are usually of one type, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • FIG. 1 is a schematic structural diagram of a support structure provided by an embodiment of the present application.
  • the support structure includes a first support plate 1 , a second support plate 2 , a third support plate 3 and a transmission mechanism 4 .
  • the plate 1 and the second supporting plate 2 are arranged side by side, the transmission mechanism 4 is arranged on the side of the first supporting plate 1 and the second supporting plate 2 away from the screen, the third supporting plate 3 is connected with the transmission mechanism 4, and the transmission mechanism 4 is connected with the first supporting plate 1 and the second supporting plate 2 away from the screen.
  • the support plate 1 and the second support plate 2 are connected in rotation; when the first support plate 1 and the second support plate 2 are close to each other, the first support plate 1 and the second support plate 2 drive the third support plate 3 along the Move in the direction away from the screen; when the first support plate 1 and the second support plate 2 are far away from each other, the first support plate 1 and the second support plate 2 drive the third support plate 3 to move in the direction close to the screen through the transmission mechanism 4, So that the support surface of the third support plate 3 and the support surface of the first support plate 1 are located on the same plane.
  • the first support plate 1, the second support plate 2, and the third support plate 3 are the basic structures that provide support for the screen.
  • the first support plate 1, the second support plate 2, and the third support plate 3 all have support surfaces for supporting the screen, in order to lower the support surface of the first support plate 1, the support surface of the second support plate 2, the third support plate.
  • the friction between the support surface of the plate 3 and the screen, the surface roughness of the support surface of the first support plate 1, the support surface of the second support plate 2, and the support surface of the third support plate 3 should be controlled at a certain value, such as the first
  • the surface roughness of the support surface of the first support plate 1, the support surface of the second support plate 2, and the support surface of the third support plate 3 is less than or equal to 6.3 ⁇ m, which is beneficial to reduce the difference between the first support plate 1 and the third support plate.
  • the material of the first support plate 1, the second support plate 2 and the third support plate 3 can be any of aluminum alloy, stainless steel, steel-aluminum composite, titanium alloy and other materials, the first support plate 1, the second support plate
  • the processing technology and manufacturing requirements of the plate 2 and the third support plate 3 are determined, and the materials of the first support plate 1 , the second support plate 2 and the third support plate 3 are not limited in this embodiment of the present application.
  • the materials of the first support plate 1, the second support plate 2 and the third support plate 3 can be: Aluminum alloy material; if it is necessary to reduce the overall manufacturing cost of the first support plate 1, the second support plate 2 and the third support plate 3, the materials of the first support plate 1, the second support plate 2 and the third support plate 3 can be It is a titanium alloy material; if it is necessary to improve the overall fatigue strength of the first support plate 1, the second support plate 2 and the third support plate 3, the first support plate 1, the second support plate 2 and the third support plate 3
  • the material may be a titanium alloy material.
  • first support plate 1, the second support plate 2 and the third support plate 3 are all elongated plates.
  • the side walls of the first support plate 1 and the second support plate 2 pass through the transmission mechanism 4 and the first support plate.
  • the side walls of the three support plates 3 are connected, that is, the motion transmission mechanism 4 of the first support plate 1 and the second support plate 2 moves, thereby driving the third support plate 3 to move, so as to realize the expansion and reduction of the overall support surface of the support structure.
  • the first support plate 1 and the second support plate 2 are arranged side by side, and the first support plate 1 and the second support plate 2 slide in a direction away from each other or approaching each other.
  • sliding rails can be provided along the supporting surface of the first supporting plate 1 and the sliding direction of the second supporting plate 2, and the non-supporting surface of the first supporting plate 1 and the non-supporting surface of the second supporting plate 2
  • a sliding block is provided on the supporting surface, and the sliding block slides on the sliding rail, so that the first supporting plate 1 and the second supporting plate 2 slide in a direction away from each other or approaching each other.
  • a motor lead screw module is arranged on the non-supporting surface of the first supporting plate 1 and the non-supporting surface of the second supporting plate 2 .
  • the non-supporting surface of the first supporting plate 1 is installed.
  • a nut seat is fixed on the support surface and the non-support surface of the second support plate 2, and one end of the ball screw is connected with the drive shaft of the drive motor through a coupling, so that the ball screw and the drive shaft rotate coaxially, and the ball screw
  • the other end of the rod is matched and connected with the nut seat, the nut seat includes an inner thread, and the inner thread of the nut seat and the outer thread of the ball screw are matched and connected.
  • the transmission mechanism 4 is used to synchronously drive the third support located between the two first support plates 1 and the second support plate 2 when the first support plate 1 and the second support plate 2 move in a direction away from each other or approaching each other
  • the plate 3 moves up and down.
  • the transmission mechanism 4 can be a rocker gear structure, a driving rod gear group structure, or other structures that can drive the third support plate 3 to move up and down synchronously, which is not limited in the embodiment of the present application.
  • the formed support The support area of the structure is the sum of the support area of the first support plate 1 and the support area of the second support plate 2 . It should be noted that after the first support plate 1 and the second support plate 2 are close to each other, the end of the first support plate 1 and the end of the second support plate 2 may be in contact with each other, or may be separated by a certain distance. The embodiment does not limit this.
  • the first support plate 1 and the second support plate 2 are kept away from each other, and the first support plate 1 and the second support The plate 2 drives the third support plate 3 to move in the direction close to the screen through the transmission mechanism 4, so that the support surface of the third support plate 3 and the support surface of the first support plate 1 are located on the same plane.
  • the support area of the formed support structure is the sum of the support area of the first support plate 1 , the support area of the second support plate 2 and the support area of the third support plate 3 . It can be seen that, when the first support plate 1 and the second support plate 2 are far away from each other, the support area of the support structure can be increased.
  • the transmission mechanism 4 is arranged at a part of the first support plate 1 and the second support plate 2 away from the screen.
  • the third support plate 3 is connected with the transmission mechanism 4, and the transmission mechanism 4 is rotatably connected with the first support plate 1 and the second support plate 2, so when the support area of the screen needs to be increased, the first support plate 1 and The second support plate 2 is far away from each other, and the first support plate 1 and the second support plate 2 drive the third support plate 3 to move in the direction close to the screen through the transmission mechanism 4, so that the support surface of the third support plate 3 and the first support plate
  • the supporting surfaces of the plate 1 are on the same plane, so the supporting area of the formed supporting structure is the sum of the supporting area of the first supporting plate 1 , the supporting area of the second supporting plate 2 and the supporting area of the third supporting plate 3 . In this way, a larger support area can be provided by the third support plate 3 to adapt to changes in the size of the screen itself, thereby meeting the support requirements of display areas of different sizes of the screen.
  • the transmission mechanism 4 includes a first rocker 41 , a second rocker 42 and a transmission gear 43 ; the first end of the first rocker 41 and the side of the first support plate 1
  • the wall is hinged, the first end of the second rocker 42 is hinged with the side wall of the second support plate 2 , the second end of the first rocker 41 and the second end of the second rocker 42 are hinged on the third support plate 3 respectively.
  • the length of the rod 41 is greater than the length of the third support plate 3 in the first direction, wherein the first direction is a direction perpendicular to the support surface of the third support plate 3 .
  • first rocker 41 and the second rocker 42 are the main transmission parts for realizing the synchronous movement of the first support plate 1 , the second support plate 2 and the third support plate 3 , and the first end of the first rocker 41 can be
  • the first fixing pins are connected to the side walls of the two first support plates 1, so that the first end of the first rocker 41 rotates with the first fixing pins as the rotation axis.
  • the first end of the second rocker 42 can be connected to the side wall of the second support plate 2 through the second fixing pin, so that the first end of the second rocker 42 can rotate with the second fixing pin as the rotation axis.
  • the second end of the first rocker 41 and the second end of the second rocker 42 are respectively connected to the third support plate 3 through the third fixing pin and the fourth fixing pin, so that the second end of the first rocker 41
  • the third fixing pin is used as the axis to rotate, so that the second end of the second rocker 42 is rotated around the fourth fixing pin.
  • the transmission gear 43 is installed between the second end of the first rocker 41 and the second end of the second rocker 42, and the transmission gear 43 is used to drive the first rocker 41 and the second rocker 42 to rotate synchronously.
  • the transmission gear 43 may be a synchronized gear set.
  • first rocker 41 is hinged with the side wall of the first support plate 1
  • first end of the second rocker 42 is hinged with the side wall of the second support plate 2
  • first rocker The second end of 41 and the second end of the second rocker 42 are respectively hinged on the third support plate 3, so that, as shown in FIG.
  • the second end Under the pulling of the second end, it gradually approaches the screen until the support surface of the third support plate 3 and the support surface of the first support plate 1 are on the same plane, thereby expanding the support area of the support structure.
  • the side wall and the support surface are two surfaces that are perpendicular to each other, the direction of movement of the first support plate 1 and the second support plate 2 is consistent with the direction shown by A in FIG. 3 , the first rocker 41 and the second rocker
  • the rotation direction of the lever 42 is the same as the direction shown by B in FIG. 3
  • the first direction is the same as the direction shown by C in FIG. 3 .
  • the first rotation direction and the second rotation direction are two opposite rotation directions.
  • the transmission gear 43 includes a first gear 431 and a second gear 432; the second end of the first rocker 41 and the second end of the second rocker 42 are arc tooth surfaces, and the first rocker 41 has an arc tooth surface.
  • the second end meshes with the first gear 431
  • the first gear 431 meshes with the second gear 432
  • the second end of the second rocker 42 meshes with the second gear 432 .
  • the first rocker 41 and the second rocker 42 can be rotated synchronously, thereby ensuring that when the first support plate 1 and the second support plate 2 are far away from each other, the The support surface of the third support plate 3 and the support surface of the first support plate 1 are located on the same plane.
  • a limiting groove 33 is set on the side wall of the third support plate 3 ; the second end of the first rocker 41 , the second end of the second rocker 42 and the transmission gear 43 are installed in the limit groove 33, the groove wall of the limit groove 33 close to the first rocker 41 and the groove wall of the limit groove 33 close to the second rocker 42 are arc-shaped groove walls, and the arc-shaped groove walls
  • the arc surface of the third support plate 3 is curved in the direction away from the first rocker 41 , wherein the side wall of the third support plate 3 is a surface perpendicular to the support surface of the third support plate 3 .
  • the limit slot 33 is opened in a direction perpendicular to the side wall of the third support plate 3 , so that there are pits on the side wall of the third support plate 3 , and then the first rocker can be supplied to the first rocker through the limit slot 33 41.
  • the sufficient installation space of the second rocker 42 and the transmission gear 43 makes the whole structure more compact, and the above-mentioned transmission mode can make the second end of the first rocker 41, the second end of the second rocker 42, the first
  • the first gear 431 and the second gear 432 are located on the same plane, which makes the structure of the entire transmission mechanism 4 more compact, thereby making the overall size of the support structure smaller, which is beneficial to the subsequent installation of the support structure and other equipment.
  • the wall of the limit slot 33 close to the first rocker 41 and the wall of the limit slot 33 close to the second rocker 42 are arc-shaped slot walls, and the arc surface of the arc-shaped slot wall It is bent in the direction away from the first rocker 41, so the contour of the arc-shaped groove wall can be consistent with the rotation trajectory of the first rocker 41 and the rotation trajectory of the first rocker 42, and then the arc-shaped groove wall can give The second end of the first rocker 41 and the second end of the second rocker 42 provide a certain limit when rotating, so as to avoid the deviation of the first rocker 41 and the second rocker 42 when rotating, which is beneficial to the whole
  • the transmission mechanism 4 remains stable during transmission.
  • the end of the first support plate 1 close to the second support plate 2 , both ends of the third support plate 3 , and the end of the second support plate 2 close to the first support plate 1 are provided with multiple limit stops.
  • Protrusions when the first support plate 1 and the second support plate 2 are close to each other, the limit protrusions provided at the end of the first support plate 1 are clamped to the two limit positions provided at the end of the second support plate 2 Between the protrusions; when the first support plate 1 and the second support plate 2 are far away from each other, the limit protrusions provided at the end of the first support plate 1 are clamped to the two limiters provided at one end of the third support plate Between the positioning protrusions, the limiting protrusions provided at the end of the second support plate 2 are clamped between the two limiting protrusions provided at the other end of the third support plate 3 .
  • first support plate 1 and the second support plate 2 are close to each other, and after the ends of the two first support plates 1 and the ends of the second support plate 2 are in contact, the first support plate The limit protrusions provided at the end of the plate 1 are clamped between the two limit protrusions provided at the end of the second support plate 2, and then the first support plate 1 and the second support plate 2 are in the process of approaching each other.
  • the length direction of the first support plate 1 and the length direction of the second support plate 2 are supported by the third support plate 3, which is beneficial to provide stable support for the screen.
  • the first support plate 1 and the second support plate 2 are far away from each other, and the support surface of the third support plate 3 and the support surface of the first support plate 1 are on the same plane, the first support plate 1
  • the limit protrusion provided at the end is clamped between the two limit protrusions provided at one end of the third support plate 3
  • the limit protrusion provided at the end of the second support plate 2 is clamped to the other side of the third support plate 3 .
  • the length direction of the first support plate 1 and the length direction of the second support plate 2 have The third support plate 3 supports, which is beneficial to provide stable support for the screen.
  • the distance between two adjacent limiting protrusions is equal.
  • the end of the first support plate 1 close to the third support plate 3 and the second An installation groove 101 is formed between the ends of the support plate 2 close to the third support plate 3, the third support plate 3 is located in the installation groove 101, and the size of the notch of the installation groove 101 is smaller than the size of the groove bottom, wherein the installation groove 101
  • the notch and the supporting surface of the first supporting plate 1 are on the same plane.
  • a mounting groove 101 is formed between the end of the second support plate 2 close to the third support plate 3 and the end of the second support plate 2 close to the third support plate 3, which is conducive to the stable position of the third support plate 3 and the maintenance of the support structure. structural stability.
  • the limit protrusions provided at the end of the first support plate 1 and the two limit protrusions provided at the end of the second support plate 2 clearance fit.
  • the limit protrusion provided at the end of the first support plate 1 and the two limit positions provided at the end of the second support plate 2 There is a clearance fit between the protrusions, so during the process of the first support plate 1 and the second support plate 2 approaching each other, the limit protrusions provided at the end of the first support plate 1 will not The groove walls formed between the two limit protrusions are in contact, so as to avoid friction between the limit protrusions and the groove walls and damage to the structure of the first support plate 1 or the second support plate 2 .
  • the third support plate 3 includes a support portion 31 and a limit portion 32 ; the limit portion 32 is located on one side of the support portion 31 , and the limit portion 32 protrudes from the support portion 31 . , to form a limit boss, and when the first support plate 1 and the second support plate 2 are far away from each other, the first support plate 1 overlaps on the limit boss.
  • limiting portion 32 protrudes from the supporting portion 31 to form a limiting boss, a larger area can be provided for the first support plate 1 and the second support plate 2 through the limiting surface of the limiting boss. It is more conducive to maintain relative stability among the first support plate 1 , the second support plate 2 and the third support plate 3 .
  • the transmission mechanism 4 is arranged at a part of the first support plate 1 and the second support plate 2 away from the screen.
  • the third support plate 3 is connected with the transmission mechanism 4, and the transmission mechanism 4 is rotatably connected with the first support plate 1 and the second support plate 2, so when the support area of the screen needs to be increased, the first support plate 1 and The second support plate 2 is far away from each other, and the first support plate 1 and the second support plate 2 drive the third support plate 3 to move in the direction close to the screen through the transmission mechanism 4, so that the support surface of the third support plate 3 and the first support plate
  • the supporting surfaces of the plate 1 are on the same plane, so the supporting area of the formed supporting structure is the sum of the supporting area of the first supporting plate 1 , the supporting area of the second supporting plate 2 and the supporting area of the third supporting plate 3 . In this way, a larger support area can be provided by the third support plate 3 to adapt to changes in the size of the screen itself, thereby meeting the support requirements of display areas of different sizes of the screen.
  • the second embodiment of the present application further provides an electronic device.
  • the electronic device includes a winding assembly, a casing, a screen, and the support structure of the first embodiment of the present application.
  • the winding assembly is arranged in the inner cavity of the housing, and the screen is wound on the winding assembly.
  • the winding assembly rotates along the first rotation direction Rotate, one end of the screen is retracted into the inner cavity of the casing, and the screen is covered on the support surface of the first support plate 1 and the support surface of the second support plate 2;
  • the winding assembly rotates in the second rotation direction, one end of the screen protrudes from the inner cavity of the casing, and the screen covers the first support plate
  • the electronic device in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus may be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
  • UMPC ultra-mobile personal computer
  • assistant, PDA personal digital assistant
  • the non-mobile electronic device may be a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the electronic device in this embodiment of the present application may be an apparatus having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the screen 2 can be extended and retracted by the winding assembly in cooperation with the support structure 1, thereby meeting the requirements of different display areas of the electronic device.
  • the electronic device includes one or more of the supporting structures.
  • the electronic device may include one support structure, or may include multiple support structures, and the specific number of the support structures is determined according to the size of the support surface required by the screen, which is not limited in the embodiment of the present application.
  • the electronic device may include one support structure, and if h is exactly the width of two third support plates 3 , the electronic device may include two support structures.
  • the third supporting plate 3 in each supporting structure can be located on the first supporting plate 1 and the first supporting plate 1 and the third supporting plate 3 in each supporting structure.
  • the third support plate 3 in one support structure of the multiple support structures may be located between the first support plate 1 and the second support plate 2, or several of the multiple support structures.
  • the third support plates 3 in each support structure are located between the first support plate 1 and the second support plate 2, and the number of support structures to be expanded is determined according to the support area required by the screen, which is not done in this embodiment of the application limited.
  • the electronic device since the electronic device includes a winding assembly, a casing, a screen, and the supporting structure of the first embodiment of the present application, when the supporting area of the screen needs to be increased, the first supporting plate 1 and the second supporting plate 1 can be made to support The plates 2 are far away from each other, and the first support plate 1 and the second support plate 2 drive the third support plate 3 to move in the direction close to the screen through the transmission mechanism 4, so that the support surface of the third support plate 3 and the first support plate 1 can be moved.
  • the supporting surfaces are located on the same plane, so the supporting area of the formed supporting structure is the sum of the supporting area of the first supporting plate 1 , the supporting area of the second supporting plate 2 and the supporting area of the third supporting plate 3 .
  • a larger support area can be provided by the third support plate 3 to adapt to changes in the size of the screen itself, thereby meeting the support requirements of display areas of different sizes of the screen.
  • a larger support area can be provided by the third support plate 3 to adapt to changes in the size of the screen 2 itself, thereby reducing the limitation of the display area of the raised screen, and meeting the requirements of electronic devices for display areas of different sizes.
  • the disclosed apparatus may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • modules, units and sub-units can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSP Device, DSPD) ), Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller, microprocessor, in other electronic units or combinations thereof.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processor
  • DSP Device Digital Signal Processing Device
  • DSPD Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the technologies described in the embodiments of the present disclosure may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • Software codes may be stored in memory and executed by a processor.
  • the memory can be implemented in the processor or external to the processor.

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Abstract

一种支撑结构，包括第一支撑板（1）、第二支撑板（2）、第三支撑板（3）和传动机构（4）；第一支撑板（1）和第二支撑板（2）并列设置，传动机构（4）设置于第一支撑板（1）和第二支撑板（2）远离屏幕的一侧，第三支撑板（3）和传动机构（4）连接，传动机构（4）与第一支撑板（1）和第二支撑板（2）转动连接；在第一支撑板（1）和第二支撑板（2）相互靠近时，第一支撑板（1）和第二支撑板（2）通过传动机构（4）带动第三支撑板（3）沿远离屏幕的方向移动；在第一支撑板（1）和第二支撑板（2）相互远离时，第一支撑板（1）和第二支撑板（2）通过传动机构（4）带动第三支撑板（3）沿靠近屏幕的方向移动，以使第三支撑板（3）的支撑面和第一支撑板（1）的支撑面位于同一平面上。一种电子设备，具有一个或多个该种支撑结构。如此设置能够解决电子设备及支撑结构提供的支撑面积具有一定的局限性的问题，进而满足不同屏幕大小的显示区域的支撑需求。

Description

支撑结构及电子设备
相关申请的交叉引用：
本申请要求在2021年4月27日提交中国专利局、申请号为202110462579.3、名称为“支撑结构及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请属于通信技术领域，具体涉及一种支撑结构及电子设备。
背景技术
随着电子的不断发展，电子设备的性能也越来越强大，为使用户具有更佳的视觉体验，电子设备包括的屏幕的显示区域正在逐步提高。
相关技术中，为提高屏幕的显示区域，通常采用窄变框、全面屏、折叠屏等提升屏幕屏占比的设计。
然而，上述方式用于支撑屏幕的支撑结构的尺寸确定，无法适应屏幕本身尺寸的变化，导致支撑结构提供的支撑面积具有一定的局限性，进而不能满足屏幕不同大小的显示区域的支撑需求
发明内容
本申请实施例的目的是提供一种支撑结构及电子设备，能够解决支撑结构提供的支撑面积具有一定的局限性的问题。
第一方面，本申请实施例提供了一种支撑结构，用于支撑屏幕，包括第一支撑板、第二支撑板、第三支撑板和传动机构；
所述第一支撑板和所述第二支撑板并列设置，所述传动机构设置于所述第一支撑板和所述第二支撑板远离所述屏幕的一侧，所述第三支撑板和所述传动机构连接，所述传动机构与所述第一支撑板和所述第二支撑板转动连接；
在所述第一支撑板和所述第二支撑板相互靠近时，所述第一支撑板和所述第二支撑板通过所述传动机构带动所述第三支撑板沿远离所述屏幕的方向移动；
在所述第一支撑板和所述第二支撑板相互远离时，所述第一支撑 板和所述第二支撑板通过所述传动机构带动所述第三支撑板沿靠近所述屏幕的方向移动，以使所述第三支撑板的支撑面和所述第一支撑板的支撑面位于同一平面上。所述传动机构包括第一摇杆、第二摇杆和传动齿轮；
所述第一摇杆的第一端与所述第一支撑板的侧壁铰接，所述第二摇杆的第一端与所述第二支撑板的侧壁铰接，所述第一摇杆的第二端和所述第二摇杆的第二端分别铰接在所述第三支撑板上，且所述第一摇杆的第二端和所述第二摇杆的第二端分别通过所述传动齿轮连接；
所述第一摇杆的长度和第二摇杆的长度相等，且所述第一摇杆的长度大于所述第三支撑板在第一方向上的长度，其中，所述第一方向为垂直于所述第三支撑板的支撑面的方向。
可选的，所述传动齿轮包括第一齿轮和第二齿轮；
所述第一摇杆的第二端和所述第二摇杆的第二端均为弧形齿面，所述第一摇杆的第二端和所述第一齿轮啮合，所述第一齿轮和所述第二齿轮啮合，所述第二摇杆的第二端和所述第二齿轮啮合。
可选的，所述支撑板的侧壁上开设有限位槽；
所述第一摇杆的第二端、所述第二摇杆的第二端和所述传动齿轮均安装在所述限位槽中，所述限位槽靠近所述第一摇杆的槽壁和所述限位槽靠近所述第二摇杆的槽壁均为圆弧形槽壁，且所述圆弧形槽壁的弧面沿背离所述第一摇杆的方向弯曲，其中，所述第三支撑板的侧壁为和所述第三支撑板的支撑面垂直的面。
可选的，所述第一支撑板的靠近所述第二支撑板的端部、所述第三支撑板的两端、所述第二支撑板靠近所述第一支撑板的端部均设置有多个限位凸起；
在所述第一支撑板和所述第二支撑板相互靠近的情况下，所述第一支撑板端部设置的所述限位凸起卡接在所述第二支撑板端部设置的两个所述限位凸起之间；
在所述第一支撑板和所述第二支撑板相互远离的情况下，所述第一支撑板端部设置的所述限位凸起卡接在所述第三支撑板一端设置的两个所述限位凸起之间，所述第二支撑板端部设置的所述限位凸起卡接在所述第三支撑板另一端设置的两个所述限位凸起之间。
可选的，在所述第一支撑板和所述第二支撑板相互远离的情况下， 所述第一支撑板的靠近所述第三支撑板的端部和所述第二支撑板靠近所述第三支撑板的端部之间形成安装槽，所述第三支撑板位于所述安装槽内，且所述安装槽的槽口的尺寸小于槽底的尺寸，其中，所述安装槽的槽口和所述第一支撑板的支撑面为同一平面。
可选的，在所述第一支撑板和所述第二支撑板相互靠近的情况下，所述第一支撑板端部设置的所述限位凸起和所述第二支撑板端部设置的两个所述限位凸起之间间隙配合。
可选的，所述第三支撑板包括支撑部和限位部；
所述限位部位于所述支撑部一侧，且所述限位部凸出于所述支撑部，形成限位凸台，在所述第一支撑板和所述第二支撑板相互远离的情况下，所述第一支撑板的端部搭接在所述限位凸台上。
第二方面，本申请实施例提供了一种电子设备，所述电子设备包括卷绕组件、外壳、屏幕和第一方面所述的支撑结构；
所述卷绕组件设置在所述外壳的内腔中，所述屏幕绕设在所述卷绕组件上，在所述第一支撑板和所述第二支撑板相互靠近的情况下，所述卷绕组件沿第一转动方向转动，所述屏幕的一端缩回到所述外壳的内腔中，所述屏幕覆盖在所述第一支撑板的支撑面和所述第二支撑板的支撑面上；
在所述第一支撑板和所述第二支撑板相互远离的情况下，所述卷绕组件沿第二转动方向转动，所述屏幕的一端从所述外壳的内腔中伸出，所述屏幕覆盖在所述第一支撑板的支撑面、所述第二支撑板的支撑面和所述第三支撑板的支撑面上，其中，所述第一转动方向和所述第二转动方向为相反的两个转动方向。
可选的，所述电子设备包括一个或者多个所述支撑结构。
从上述实施例可以看出，在本申请实施例中，由于第一支撑板和第二支撑板并列设置，传动机构设置于第一支撑板和第二支撑板远离屏幕的一侧，第三支撑板和传动机构连接，传动机构与第一支撑板和第二支撑板转动连接，因此当需要增大屏幕的支撑面积时，可以使得第一支撑板和第二支撑板相互远离，第一支撑板和第二支撑板通过传动机构带动第三支撑板沿靠近屏幕的方向移动，以使第三支撑板的支撑面和第一支撑板的支撑面位于同一平面上，因此形成的支撑结构的支撑面积即为第一支撑板的支撑面积、第二支撑板的支撑面积和第三 支撑板的支撑面积之和。这样，可以通过第三支撑板提供更大的支撑面积，以适应屏幕本身尺寸的变化，进而满足屏幕不同大小的显示区域的支撑需求。
附图说明
为了更清楚地说明本申请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地介绍，显而易见地，下面描述中的附图仅仅是申请的一些实施例，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是本申请实施例提供的支撑结构的结构示意图；
图2是本申请实施例提供的支撑结构在收缩状态下的截面示意图；
图3是本申请实施例提供的支撑结构在展开过程中的运动方向示意图；
图4是本申请实施例提供的支撑结构在展开状态下的截面示意图；
图5是本申请实施例提供电子设备在包括多个支撑结构的情况下，屏幕在收缩状态下多个支撑结构的结构示意图；
图6是本申请实施例提供电子设备在包括多个支撑结构的情况下，屏幕在展开状态下多个支撑结构的结构示意图；
图7是本申请实施例提供的屏幕在收缩状态下的电子设备的结构示意图；
图8是本申请实施例提供的屏幕在展开状态下的电子设备的结构示意图；
图9是本申请实施例提供的第三支撑板和传动结构的配合示意图；
图10是本申请实施例提供的第一支撑板和第二支撑板的局部结构示意图。
附图标记：
1-第一支撑板；2-第二支撑板；3-第三支撑板；4-传动机构；31-支撑部；32-限位部；33-限位槽；41-第一摇杆；42-第二摇杆；43-传动齿轮；101-安装槽；431-第一齿轮；432-第二齿轮。
具体实施例
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”等所区分的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面将结合附图对本申请实施例一的支撑结构进行详细说明。图1是本申请实施例提供的支撑结构的结构示意图，如图1所示，该支撑结构包括第一支撑板1、第二支撑板2、第三支撑板3和传动机构4，第一支撑板1和第二支撑板2并列设置，传动机构4设置于第一支撑板1和第二支撑板2远离屏幕的一侧，第三支撑板3和传动机构4连接，传动机构4与第一支撑板1和第二支撑板2转动连接；在第一支撑板1和第二支撑板2相互靠近时，第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿远离屏幕的方向移动；在第一支撑板1和第二支撑板2相互远离时，第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿靠近屏幕的方向移动，以使第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上。
其中，第一支撑板1、第二支撑板2、第三支撑板3是给屏幕提供支撑的基本结构。第一支撑板1、第二支撑板2、第三支撑板3均具有用于支撑屏幕的支撑面，为降低第一支撑板1的支撑面、第二支撑板2的支撑面、第三支撑板3的支撑面和屏幕之间的摩擦，第一支撑板1的支撑面、第二支撑板2的支撑面、第三支撑板3的支撑面的表面粗糙度应控制在一定数值，如第一支撑板1的支撑面、第二支撑板2的支撑面、第三支撑板3的支撑面的表面粗糙度支撑板组11小于等于6.3μm，进而有利于降低在第一支撑板1和第二支撑板2滑动时对屏幕的损伤。第一支撑板1、第二支撑板2和第三支撑板3的材料可以采用 铝合金、不锈钢、钢铝复合、钛合金性等材料中的任一种，第一支撑板1、第二支撑板2和第三支撑板3的加工工艺以及制造需求确定，本申请实施例对于第一支撑板1、第二支撑板2和第三支撑板3的材料不做限定。示例性的，若需要降低第一支撑板1、第二支撑板2和第三支撑板3整体的重量，则第一支撑板1、第二支撑板2和第三支撑板3的材料可以为铝合金材料；若需要降低第一支撑板1、第二支撑板2和第三支撑板3整体的制造成本，则第一支撑板1、第二支撑板2和第三支撑板3的材料可以为钛合金材料；若需要提高第一支撑板1、第二支撑板2和第三支撑板3整体的耐疲劳强度，则第一支撑板1、第二支撑板2和第三支撑板3的材料可以为钛合金材料。
此外，第一支撑板1、第二支撑板2和第三支撑板3均为长条形板，在安装时，第一支撑板1、第二支撑板2的侧壁通过传动机构4和第三支撑板3的侧壁连接，即通过第一支撑板1和第二支撑板2的运动传动机构4运动，进而带动第三支撑板3运动，以实现支撑结构整体支撑面的扩大和缩小。
第一支撑板1和第二支撑板2并列设置，第一支撑板1和第二支撑板2沿彼此远离或者彼此靠近的方向滑动。在一种可能实现的方式中，可以沿第一支撑板1的支撑面和第二支撑板2的滑动方向设置滑轨，在第一支撑板1的非支撑面和第二支撑板2的非支撑面上设置滑块，滑块在滑轨上滑动，使得第一支撑板1和第二支撑板2沿彼此背离或者彼此靠近的方向滑动。在另一种可能实现的方式中，在第一支撑板1的非支撑面和第二支撑板2的非支撑面上设置电机丝杠模组，在装配时，在第一支撑板1的非支撑面和第二支撑板2的非支撑面上上固定螺母座，滚珠丝杠的一端通过联轴器和驱动电机的驱动轴配合连接，以使滚珠丝杠和驱动轴同轴转动，滚珠丝杠的另一端和螺母座配合连接，螺母座包括内螺纹，螺母座的内螺纹和滚珠丝杠的外螺纹配合连接。这样，当驱动电机的驱动轴转动时，带动滚珠丝杠转动，使得螺母座沿着动滚珠丝杠的长度方向运动，使得第一支撑板1和第二支撑板2沿彼此背离或者彼此靠近的方向滑动。
传动机构4用于在第一支撑板1和第二支撑板2沿彼此背离或者彼此靠近的方向运动时，同步带动位于两个第一支撑板1和第二支撑板2之间的第三支撑板3作升降运动。传动机构4可以为摇杆齿轮结 构，也可以为驱动杆齿轮组结构，或者其它可以带动第三支撑板3同步升降运动的结构，本申请实施例对此不做限定。
具体的，在屏幕不需要较大的支撑面积时，即支撑结构需要降低支撑面积时，如图2所示，可以使第一支撑板1和第二支撑板2相互靠近，进而带动传动机构4运动，使得第三支撑板3在传动机构4的带动下，使得第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿远离屏幕的方向移动，这样，形成的支撑结构的支撑面积即为第一支撑板1的支撑面积和第二支撑板2的支撑面积之和。需要说明的是，在第一支撑板1和第二支撑板2相互靠近后，第一支撑板1的端部和第二支撑板2的端部可以接触，也可以间隔一定的距离，本申请实施例对此不做限定。
在屏幕需要较大的支撑面积时，即支撑结构需要增大支撑面积时，如图4所示，使得第一支撑板1和第二支撑板2相互远离，第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿靠近屏幕的方向移动，以使第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上。这样，形成的支撑结构的支撑面积即为第一支撑板1的支撑面积、第二支撑板2的支撑面积和第三支撑板3的支撑面积之和。由此可见，在第一支撑板1和第二支撑板2相互远离的情况下，可以增加支撑结构的支撑面积。
从上述实施例可以看出，在本申请实施例中，由于第一支撑板1和第二支撑板2并列设置，传动机构4设置于第一支撑板1和第二支撑板2远离屏幕的一侧，第三支撑板3和传动机构4连接，传动机构4与第一支撑板1和第二支撑板2转动连接，因此当需要增大屏幕的支撑面积时，可以使得第一支撑板1和第二支撑板2相互远离，第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿靠近屏幕的方向移动，以使第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上，因此形成的支撑结构的支撑面积即为第一支撑板1的支撑面积、第二支撑板2的支撑面积和第三支撑板3的支撑面积之和。这样，可以通过第三支撑板3提供更大的支撑面积，以适应屏幕本身尺寸的变化，进而满足屏幕不同大小的显示区域的支撑需求。
可选的，如图2至图4所示，传动机构4包括第一摇杆41、第二摇杆42和传动齿轮43；第一摇杆41的第一端与第一支撑板1的侧壁 铰接，第二摇杆42的第一端与第二支撑板2的侧壁铰接，第一摇杆41的第二端和第二摇杆42的第二端分别铰接在第三支撑板3上，且第一摇杆41的第二端和第二摇杆42的第二端分别通过传动齿轮43连接；第一摇杆41的长度和第二摇杆42的长度相等，且第一摇杆41的长度大于第三支撑板3在第一方向上的长度，其中，第一方向为垂直于第三支撑板3的支撑面的方向。
具体的，第一摇杆41和第二摇杆42为实现第一支撑板1、第二支撑板2和第三支撑板3同步运动的主要传动件，第一摇杆41的第一端可以通过第一固定销连接在两个第一支撑板1的侧壁上，以使第一摇杆41的第一端以第一固定销为转动轴进行转动。第二摇杆42的第一端可以通过第二固定销连接在第二支撑板2的侧壁上，以使第二摇杆42的第一端以第二固定销为转动轴进行转动。第一摇杆41的第二端和第二摇杆42的第二端分别通过第三固定销和第四固定销连接在第三支撑板3上，以使第一摇杆41的第二端以第三固定销为轴转动，以使第二摇杆42的第二端以第四固定销为轴转动。传动齿轮43安装在第一摇杆41的第二端和第二摇杆42的第二端之间，且传动齿轮43用于带动第一摇杆41和第二摇杆42同步转动，传动齿轮43可以为同步齿轮组。
需要说明的是，由于第一摇杆41的第一端与第一支撑板1的侧壁铰接，第二摇杆42的第一端与第二支撑板2的侧壁铰接，第一摇杆41的第二端和第二摇杆42的第二端分别铰接在第三支撑板3上，这样，如图4所示，当第一支撑板1和第二支撑板2相互远离时，使得第一摇杆41的第一端和第二摇杆42的第一端随着第一支撑板1和第二支撑板2的运动而发生沿第一转动方向转动，进而带动第一摇杆41的第二端和第二摇杆42的第二端也随之沿第一转动方向转动，由于在转动的过程中第一摇杆的长度和第二摇杆的长度不变，且第一摇杆41的长度和第二摇杆42的长度均大于第三支撑板3在第一方向上的长度，因此使得第三支撑板3在第一摇杆41第二端和第二摇杆42的第二端的拉动下，逐渐靠近屏幕，直至第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上，进而扩大支撑结构的支撑面积。其中，侧壁和支撑面为互相垂直的两个面，第一支撑板1和第二支撑板2的运动的方向和图3中A所示的方向一致，第一摇杆41和第二摇杆42的 转动方向和图3中B所示的方向一致，第一方向和图3中C所示的方向一致。
相反的，如图2所示，当第一支撑板1和第二支撑板2相互靠近时，使得第一摇杆41的第一端和第二摇杆42的第一端随着第一支撑板1和第二支撑板2的运动而发生沿第二转动方向的转动，进而带动第一摇杆41的第二端和第二摇杆42的第二端也随之沿第二转动方向转动，由于在转动的过程中第一摇杆41的长度和第二摇杆42的长度不变，且第一摇杆41的长度和第二摇杆42的长度均大于第三支撑板3在第一方向上的长度，因此使得第三支撑板3在第一摇杆41的第二端和第二摇杆42的第二端的带动下，逐渐远离屏幕，直至位于两个第一支撑板1和第二支撑板的底部，进而缩小支撑结构的支撑面积。其中，第一转动方向和第二转动方向为相反的两个转动方向。
可选的，传动齿轮43包括第一齿轮431和第二齿轮432；第一摇杆41的第二端和第二摇杆42的第二端均为弧形齿面，第一摇杆41的第二端和第一齿轮431啮合，第一齿轮431和第二齿轮432啮合，第二摇杆42的第二端和第二齿轮432啮合。
具体的，由于第一摇杆41的第二端和第一齿轮431啮合，第一齿轮431和第二齿轮432啮合，第二摇杆42的第二端和第二齿轮432啮合，因此当第一摇杆的第二端转动时，带动第一齿轮431进行转动，第一齿轮431转动带动第二齿轮432转动，第二齿轮432转动带动第二摇杆42转动，在第一齿轮431和第二齿轮432之间的传动比为1的情况下，可以使得第一摇杆41和第二摇杆42同步转动，进而保证在第一支撑板1和第二支撑板2相互远离的情况下，第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上。
可选的，如图3和图9所示，第三支撑板3的侧壁上开设有限位槽33；第一摇杆41的第二端、第二摇杆42的第二端和传动齿轮43均安装在限位槽33中，限位槽33靠近第一摇杆41的槽壁和限位槽33靠近第二摇杆42的槽壁为圆弧形槽壁，且圆弧形槽壁的弧面沿背离第一摇杆41的方向弯曲，其中，第三支撑板3的侧壁为和第三支撑板3的支撑面垂直的面。
需要说明的是，限位槽33沿垂直于第三支撑板3的侧壁的方向开设，使得第三支撑板3的侧壁上存在凹坑，进而可以通过限位槽33给 第一摇杆41、第二摇杆42和传动齿轮43充足的安装空间，使得整个结构更为紧凑，且上述传动方式可以使得第一摇杆41的第二端、第二摇杆42的第二端、第一齿轮431和第二齿轮432位于同一平面，使得整个传动机构4的结构更为紧凑，进而使得支撑结构的整体的尺寸较小，有利于后续支撑结构和其它设备的安装。
还需要说明的是，由于限位槽33靠近第一摇杆41的槽壁和限位槽33靠近第二摇杆42的槽壁为圆弧形槽壁，且圆弧形槽壁的弧面沿背离第一摇杆41的方向弯曲，因此可以通过圆弧形槽壁的轮廓和第一摇杆41的转动轨迹、第一摇杆42的转动轨迹一致，进而通过圆弧形槽壁可以给第一摇杆41的第二端和第二摇杆42的第二端在转动时提供一定的限位，避免第一摇杆41和第二摇杆42在转动时发生跑偏，有利于整个传动机构4在传动时保持稳定。
可选的，第一支撑板1的靠近第二支撑板2的端部、第三支撑板3的两端、第二支撑板2靠近第一支撑板1的端部均设置有多个限位凸起；在第一支撑板1和第二支撑板2相互靠近的情况下，第一支撑板1端部设置的限位凸起卡接在第二支撑板2端部设置的两个限位凸起之间；在第一支撑板1和第二支撑板2相互远离的情况下，第一支撑板1端部设置的限位凸起卡接在第三支撑板3一端设置的两个限位凸起之间，第二支撑板2端部设置的限位凸起卡接在第三支撑板3另一端设置的两个限位凸起之间。
需要说明的是，在第一支撑板1和第二支撑板2相互靠近的情况下，且在两个第一支撑板1的端部和第二支撑板2的端部接触后，第一支撑板1端部设置的限位凸起卡接在第二支撑板2端部设置的两个限位凸起之间，进而在一支撑板1和第二支撑板2相互靠近的过程中，第一支撑板1的长度方向和第二支撑板2的长度方向均有第三支撑板3进行支撑，有利于给屏幕提供稳固的支撑。
同样的，在第一支撑板1和第二支撑板2相互远离的情况下，且第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上后，第一支撑板1端部设置的限位凸起卡接在第三支撑板3一端设置的两个限位凸起之间，第二支撑板2端部设置的限位凸起卡接在第三支撑板3另一端设置的两个限位凸起之间，进而在第一支撑板1和第二支撑板2相互远离的过程中，第一支撑板1的长度方向和第二支撑板2 的长度方向均有第三支撑板3进行支撑，有利于给屏幕提供稳固的支撑。
可选的，相邻两个限位凸起之间的间距相等。
需要说明的是，由于相邻两个限位凸起之间的间距相等，则在第一支撑板1和第二支撑板相互远离和相互靠近的过程中，限位凸起提供的卡接点的分布较为均匀，使得屏幕表面受到的支撑力的分布也较为均匀，进而更加有利于给屏幕提供稳固的支撑。
可选的，如图10所示，在第一支撑板1和第二支撑板2沿彼此背离的方向滑动的情况下，第一支撑板1的靠近第三支撑板3的端部和第二支撑板2靠近第三支撑板3的端部之间形成安装槽101，第三支撑板3位于安装槽101内，且安装槽101的槽口的尺寸小于槽底的尺寸，其中，安装槽101的槽口和第一支撑板1的支撑面为同一平面。
需要说明的是，由于在第一支撑板1和第二支撑板2沿彼此背离的方向滑动的情况下，第一支撑板1的靠近第三支撑板3的端部和第二支撑板2靠近第三支撑板3的端部之间形成安装槽101，第三支撑板3位于安装槽101内，且安装槽101的槽口的尺寸小于槽底的尺寸，因此使得第三支撑板3的支撑面的面积小于第三支撑板3非支撑面的面积，进而使得第三支撑板3整体为楔形，当第三支撑板3在抬升时，第三支撑板3先达到安装槽101的槽底，由于安装槽101的槽口的尺寸小于槽底的尺寸，因此有利于避免第三支撑板3在抬升的过程中和安装槽101的槽壁发生接触。且随着第三支撑板3的逐步抬升，第三支撑板3和第一支撑板1、第二支撑板2之间的间隙逐步减小，进而使得第三支撑板3嵌入第一支撑板1的靠近第三支撑板3的端部和第二支撑板2靠近第三支撑板3的端部之间形成安装槽101内，有利于第三支撑板3的位置保持稳定，有利于支撑结构保持结构的稳定性。
可选的，在第一支撑板1和第二支撑板2相互靠近的情况下，第一支撑板1端部设置的限位凸起和第二支撑板2端部设置的两个限位凸起之间间隙配合。
需要说明的是，由于第一支撑板1和第二支撑板2相互靠近的情况下，第一支撑板1端部设置的限位凸起和第二支撑板2端部设置的两个限位凸起之间间隙配合，因此第一支撑板1和第二支撑板2相互靠近的过程中，第一支撑板1端部设置的限位凸起不会和第二支撑板2 端部设置的两个限位凸起之间形成的槽壁进行接触，避免限位凸起和的槽壁之间发生摩擦而损坏第一支撑板1或者第二支撑板2的结构。
可选的，如图2至图4所示，第三支撑板3包括支撑部31和限位部32；限位部32位于支撑部31一侧，且限位部32凸出于支撑部31，形成限位凸台，在第一支撑板1和第二支撑板2相互远离的情况下，第一支撑板1搭接在限位凸台上。
需要说明的是，由于限位部32凸出于支撑部31，形成限位凸台，因此可以通过限位凸台的限位面为第一支撑板1和第二支撑板2提供更大面积的支撑，更有利于第一支撑板1、第二支撑板2和第三支撑板3之间保持相对稳定。
从上述实施例可以看出，在本申请实施例中，由于第一支撑板1和第二支撑板2并列设置，传动机构4设置于第一支撑板1和第二支撑板2远离屏幕的一侧，第三支撑板3和传动机构4连接，传动机构4与第一支撑板1和第二支撑板2转动连接，因此当需要增大屏幕的支撑面积时，可以使得第一支撑板1和第二支撑板2相互远离，第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿靠近屏幕的方向移动，以使第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上，因此形成的支撑结构的支撑面积即为第一支撑板1的支撑面积、第二支撑板2的支撑面积和第三支撑板3的支撑面积之和。这样，可以通过第三支撑板3提供更大的支撑面积，以适应屏幕本身尺寸的变化，进而满足屏幕不同大小的显示区域的支撑需求。
本申请实施例二还提供了一种电子设备，如图7和图8所示，电子设备包括卷绕组件、外壳、屏幕和本申请实施例一的支撑结构。卷绕组件设置在外壳的内腔中，屏幕绕设在卷绕组件上，在第一支撑板1和第二支撑板2沿彼此靠近的方向滑动的情况下，卷绕组件沿第一转动方向转动，屏幕的一端缩回到外壳的内腔中，屏幕覆盖在第一支撑板1的支撑面和第二支撑板2的支撑面上；
在第一支撑板1和第二支撑板2沿彼此靠近的方向滑动的情况下，卷绕组件沿第二转动方向转动，屏幕的一端外壳的内腔中伸出，屏幕覆盖在第一支撑板1的支撑面、第二支撑板2的支撑面和第三支撑板3的支撑面上，其中，第一转动方向和第二转动方向为相反的两个转动 方向。
本申请实施例中的电子设备可以是装置，也可以是终端中的部件、集成电路、或芯片。该装置可以是移动电子设备，也可以为非移动电子设备。示例性的，移动电子设备可以为手机、平板电脑、笔记本电脑、掌上电脑、车载电子设备、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer，UMPC)、上网本或者个人数字助理(personal digital assistant，PDA)等，非移动电子设备可以为个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例中的电子设备可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统，可以为ios操作系统，还可以为其他可能的操作系统，本申请实施例不作具体限定。
需要说明的是，通过卷绕组件配合支撑结构1可以实现屏幕2的伸展和缩回，进而满足电子设备不同显示区域的要求。
可选的，如图5或者图6所示，电子设备包括一个或者多个所述支撑结构。
在本申请实施例中，电子设备可以包括一个支撑结构，也可以包括多个支撑结构，支撑结构的具体数量依据屏幕所需要支撑面的尺寸的确定，本申请实施例对此不做限定。示例性的，如图5和图6所示，若支撑结构在收缩状态下的宽度为L，当屏幕所需要支撑面的宽度需要扩大h，且h正好为一个第三支撑板3的宽度时，则电子设备可以包括一个支撑结构，若h正好为两个个第三支撑板3的宽度时，则电子设备可以包括两个支撑结构。
需要说明的是，在支撑结构包括至少两个支撑结构的情况下，当需要增大屏幕的支撑面积时，可以使得每个支撑结构中的第三支撑板3均位于第一支撑板1和第二支撑板2支撑板2之间，也可以为多个支撑结构中一个支撑结构中的第三支撑板3位于第一支撑板1和第二支撑板2之间，或者多个支撑结构中几个支撑结构中的第三支撑板3均位于第一支撑板1和第二支撑板2之间，需要扩展的支撑结构的个数依据屏幕需要的支撑面积确定，本申请实施例对此不做限定。
在本申请实施例中，由于电子设备包括卷绕组件、外壳、屏幕和本申请实施例一的支撑结构，因此当需要增大屏幕的支撑面积时，可 以使得第一支撑板1和第二支撑板2相互远离，第一支撑板1和第二支撑板2通过传动机构4带动第三支撑板3沿靠近屏幕的方向移动，以使第三支撑板3的支撑面和第一支撑板1的支撑面位于同一平面上，因此形成的支撑结构的支撑面积即为第一支撑板1的支撑面积、第二支撑板2的支撑面积和第三支撑板3的支撑面积之和。这样，可以通过第三支撑板3提供更大的支撑面积，以适应屏幕本身尺寸的变化，进而满足屏幕不同大小的显示区域的支撑需求。这样，可以通过第三支撑板3提供更大的支撑面积，以适应屏幕2本身尺寸的变化，进而使得提升屏幕的显示区域的局限性降低，可以满足电子设备对不同尺寸的显示区域的需求。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同结构来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述实施例中的对应过程，在此不再赘述。
在本申请所提供的实施例中，应该理解到，所揭露的装置，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽咯，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理 单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质如只读存储器(read-only memory，ROM)、相联存储器、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的支撑结构及电子设备。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，模块、单元、子单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processor,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。

Claims (10)

  1. 一种支撑结构，用于支撑屏幕，所述支撑结构包括第一支撑板、第二支撑板、第三支撑板和传动机构；
    所述第一支撑板和所述第二支撑板并列设置，所述传动机构设置于所述第一支撑板和所述第二支撑板远离所述屏幕的一侧，所述第三支撑板和所述传动机构连接，所述传动机构与所述第一支撑板和所述第二支撑板转动连接；
    在所述第一支撑板和所述第二支撑板相互靠近时，所述第一支撑板和所述第二支撑板通过所述传动机构带动所述第三支撑板沿远离所述屏幕的方向移动；
    在所述第一支撑板和所述第二支撑板相互远离时，所述第一支撑板和所述第二支撑板通过所述传动机构带动所述第三支撑板沿靠近所述屏幕的方向移动，以使所述第三支撑板的支撑面和所述第一支撑板的支撑面位于同一平面上。
  2. 根据权利要求1所述的支撑结构，其中，所述传动机构包括第一摇杆、第二摇杆和传动齿轮；
    所述第一摇杆的第一端与所述第一支撑板的侧壁铰接，所述第二摇杆的第一端与所述第二支撑板的侧壁铰接，所述第一摇杆的第二端和所述第二摇杆的第二端分别铰接在所述第三支撑板上，且所述第一摇杆的第二端和所述第二摇杆的第二端分别通过所述传动齿轮连接；
    所述第一摇杆的长度和第二摇杆的长度相等，且所述第一摇杆的长度大于所述第三支撑板在第一方向上的长度，其中，所述第一方向为垂直于所述第三支撑板的支撑面的方向。
  3. 根据权利要求2所述的电子设备，其中，所述传动齿轮包括第一齿轮和第二齿轮；
    所述第一摇杆的第二端和所述第二摇杆的第二端均为弧形齿面，所述第一摇杆的第二端和所述第一齿轮啮合，所述第一齿轮和所述第二齿轮啮合，所述第二摇杆的第二端和所述第二齿轮啮合。
  4. 根据权利要求2所述的支撑结构，其中，所述支撑板的侧壁上开设有限位槽；
    所述第一摇杆的第二端、所述第二摇杆的第二端和所述传动齿轮均安装在所述限位槽中，所述限位槽靠近所述第一摇杆的槽壁和所述 限位槽靠近所述第二摇杆的槽壁均为圆弧形槽壁，且所述圆弧形槽壁的弧面沿背离所述第一摇杆的方向弯曲，其中，所述第三支撑板的侧壁为和所述第三支撑板的支撑面垂直的面。
  5. 根据权利要求1所述的支撑结构，其中，所述第一支撑板的靠近所述第二支撑板的端部、所述第三支撑板的两端、所述第二支撑板靠近所述第一支撑板的端部均设置有多个限位凸起；
    在所述第一支撑板和所述第二支撑板相互靠近的情况下，所述第一支撑板端部设置的所述限位凸起卡接在所述第二支撑板端部设置的两个所述限位凸起之间；
    在所述第一支撑板和所述第二支撑板相互远离的情况下，所述第一支撑板端部设置的所述限位凸起卡接在所述第三支撑板一端设置的两个所述限位凸起之间，所述第二支撑板端部设置的所述限位凸起卡接在所述第三支撑板另一端设置的两个所述限位凸起之间。
  6. 根据权利要求5所述的支撑结构，其中，在所述第一支撑板和所述第二支撑板相互远离的情况下，所述第一支撑板的靠近所述第三支撑板的端部和所述第二支撑板靠近所述第三支撑板的端部之间形成安装槽，所述第三支撑板位于所述安装槽内，且所述安装槽的槽口的尺寸小于槽底的尺寸，其中，所述安装槽的槽口和所述第一支撑板的支撑面为同一平面。
  7. 根据权利要求5所述的支撑结构，其中，在所述第一支撑板和所述第二支撑板相互靠近的情况下，所述第一支撑板端部设置的所述限位凸起和所述第二支撑板端部设置的两个所述限位凸起之间间隙配合。
  8. 根据权利要求1所述的支撑结构，其特征在于，所述第三支撑板包括支撑部和限位部；
    所述限位部位于所述支撑部一侧，且所述限位部凸出于所述支撑部，形成限位凸台，在所述第一支撑板和所述第二支撑板相互远离的情况下，所述第一支撑板的端部搭接在所述限位凸台上。
  9. 一种电子设备，所述电子设备包括卷绕组件、外壳、屏幕和权利要求1-8任一项所述的支撑结构；
    所述卷绕组件设置在所述外壳的内腔中，所述屏幕绕设在所述卷绕组件上，在所述第一支撑板和所述第二支撑板相互靠近的情况下，所述卷绕组件沿第一转动方向转动，所述屏幕的一端缩回到所述外壳 的内腔中，所述屏幕覆盖在所述第一支撑板的支撑面和所述第二支撑板的支撑面上；
    在所述第一支撑板和所述第二支撑板相互远离的情况下，所述卷绕组件沿第二转动方向转动，所述屏幕的一端从所述外壳的内腔中伸出，所述屏幕覆盖在所述第一支撑板的支撑面、所述第二支撑板的支撑面和所述第三支撑板的支撑面上，其中，所述第一转动方向和所述第二转动方向为相反的两个转动方向。
  10. 根据权利要求9所述的电子设备，其中，所述电子设备包括一个或者多个所述支撑结构。
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