WO2023202168A1 - 一种电子设备及电子设备的触控板 - Google Patents

一种电子设备及电子设备的触控板 Download PDF

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Publication number
WO2023202168A1
WO2023202168A1 PCT/CN2023/070880 CN2023070880W WO2023202168A1 WO 2023202168 A1 WO2023202168 A1 WO 2023202168A1 CN 2023070880 W CN2023070880 W CN 2023070880W WO 2023202168 A1 WO2023202168 A1 WO 2023202168A1
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WIPO (PCT)
Prior art keywords
elastic
touch panel
frame
layer
electronic device
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PCT/CN2023/070880
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English (en)
French (fr)
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WO2023202168A9 (zh
Inventor
邓皓婷
李海涛
高漫
杨德森
吴崚
Original Assignee
荣耀终端有限公司
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Application filed by 荣耀终端有限公司 filed Critical 荣耀终端有限公司
Publication of WO2023202168A1 publication Critical patent/WO2023202168A1/zh
Publication of WO2023202168A9 publication Critical patent/WO2023202168A9/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present application relates to the technical field of electronic equipment, and in particular, to an electronic equipment and a touch panel of the electronic equipment.
  • the touchpads are mainly semi-domain touch.
  • Half-domain touch means that the touchpad can only achieve partial Zone trigger and press feel. If the touch panel can achieve full-area touch, that is, it can achieve triggering and pressing feel when pressing any area on the touch panel, it can greatly improve the user experience.
  • pressure sensors can be installed to achieve full-range touch control of the touch panel, but this method makes the pressing feel unrealistic, the experience is poor, and the energy consumption is high, and there are feedback delays and high failure rates. question.
  • Embodiments of the present application provide an electronic device and a touch panel for the electronic device, which can realize full-area touch control of the touch panel while improving user experience, ensuring stable performance, and reducing the occurrence rate of failures.
  • the first aspect of the embodiment of the present application provides a touch panel for an electronic device, which includes a bottom plate, an elastic layer, a circuit board and a decorative layer that are stacked in sequence.
  • a trigger is also provided on the side of the circuit board facing the elastic layer;
  • the elastic layer includes a frame and an action piece, a connecting part and a supporting part connected to the frame.
  • the supporting part is elastically bent to form a supporting point protruding toward one side of the base plate, and the supporting point can be supported on the base plate;
  • the connecting part is arranged along the circumferential direction of the action part.
  • Elastic arms are respectively connected between the connecting part and the frame, between the connecting part and the action part, and between the connecting part and the supporting part.
  • the supporting part and each elastic arm can be pressed when pressed. Afterwards, elastic deformation occurs and resilience occurs.
  • the elastic layer After being pressed, the elastic layer can move to one side of the bottom plate under the pressure. Due to the supporting effect of the bottom plate on the support point, the elastic bending will elastically deform and generate a rebound force. This rebound force can prevent the elastic layer from continuing to move toward the bottom plate.
  • One side of the bottom plate moves, and as the pressing effect continues, the movement displacement of the elastic layer along the pressing direction (that is, the direction from the elastic layer to one side of the bottom plate) is smaller than the movement displacement of the trigger piece, and the action piece can squeeze the trigger piece in the opposite direction. , causing the trigger to be triggered to generate signal transmission.
  • the frame includes a frame arranged along the circumferential direction, and a connecting part is connected between the operating part and the frame of the frame along its circumferential direction.
  • the connecting part is connected to the frame, the connecting part and the operating part, and the connecting part and the supporting part.
  • There is an elastic arm which is prone to elastic deformation. When pressed, the elastic arm can elastically deform and generate rebound force.
  • the frame, the connecting part and the action piece are integrated through an elastic arm that is prone to elastic deformation, so as to achieve the linkage effect of the entire elastic layer.
  • the pressing force can be transmitted to the position of the action part through the linkage between the components of the elastic layer, and the support part and the elastic arm of the elastic layer are elastically deformed and energy is stored. Resilient force is generated, and the action piece can act on the trigger piece, so that the trigger piece is triggered, thereby achieving full-area touch control.
  • the elastic layer only tilts toward the base plate on one side corresponding to the pressed position, and the stroke of the action member pressing the trigger member is not enough, causing the trigger member to fail. conditions that can be triggered.
  • the pressing force is transmitted to the elastic layer, elastic deformation occurs at both the support part and the elastic arm, and is transmitted to the action part through the linkage of the frame and the connecting part, causing the action
  • the component can react on the trigger component to trigger it, thereby realizing full-area touch control of the touch panel.
  • the rebound force generated by the elastic arm and the supporting part can drive each component of the elastic layer to achieve rapid reset after the external pressing effect is removed.
  • this embodiment achieves global touch control of the touch panel through a mechanical structure, compared with the solution of implementing global touch control of the touch panel by arranging electronic components, it can effectively improve the user experience and improve the user's ability to press the touch panel. It has a smooth pressing feel, ensures stable performance and reduces the probability of failure.
  • the embodiments of the present application also provide a first implementation manner of the first aspect:
  • the thickness of the elastic arm is smaller than the thickness of the connecting part.
  • the thickness of the elastic arm is set to be small to achieve easy elastic deformation and generate rebound force, the overall structure of the elastic layer can be simplified and the processing technology can be simplified.
  • embodiments of the present application also provide a second implementation manner of the first aspect:
  • the elastic layer includes a flexible layer and a reinforcement layer.
  • the flexible layer is provided with elastic arms and flexible connection parts.
  • the reinforcement layer is provided with a connection reinforcement structure.
  • the connection reinforcement structure and the flexible connection part are correspondingly fitted and fixed to form a connection part.
  • the embodiments of this application also provide a third implementation manner of the first aspect:
  • the flexible connection part and the connection part reinforcement structure have the same shape and are completely overlapped and fixed to ensure the overall linkage performance of the elastic layer.
  • the flexible connecting portion and the reinforcing structure of the connecting portion are partially overlapped and fixed to ensure the overall flexibility of the elastic layer.
  • the embodiments of the present application also provide a fourth implementation manner of the first aspect:
  • the flexible layer is provided with a frame, or the reinforcing layer is provided with a frame, or the flexible layer is provided with a flexible frame, and the reinforcing layer is provided with a frame reinforcement structure, and the frame reinforcement structure is attached and fixed to the flexible frame to form a frame.
  • the framework setting is relatively flexible and can be set according to actual needs.
  • embodiments of the present application also provide a fifth implementation manner of the first aspect:
  • the action part is arranged on the flexible layer, and the reinforcement layer also includes a reinforcement frame.
  • the reinforcement frame can be attached and fixed to the flexible layer along the circumferential direction of the action part.
  • the arrangement of the reinforcing frame can increase the structural strength here and facilitate the transmission of the pressing force to the action part through the connecting part and the elastic arm.
  • embodiments of the present application also provide a sixth implementation manner of the first aspect:
  • connections are arranged symmetrically about the center of the frame. This setting can make the global linkage of the touch panel more uniform.
  • embodiments of the present application also provide a seventh implementation manner of the first aspect:
  • the frame is formed by two parallel first frames and two parallel second frames; the connecting part is provided with a hollow structure and includes a first connecting piece and a second connecting piece.
  • the first connecting piece and the first frame Connect, the second connecting piece is connected to the second frame.
  • embodiments of the present application also provide an eighth implementation manner of the first aspect:
  • the connecting part also includes a third connecting piece located at each corner of the frame. This further enables the connecting portion to be arranged within the entire frame while improving the overall linkage effect between the connecting portion and the frame.
  • embodiments of the present application also provide a ninth implementation manner of the first aspect:
  • the third connecting piece includes a first connecting end and a second connecting end.
  • the first connecting end is connected to the first connecting piece, or the first connecting end is connected to the action piece through an elastic arm, and the second connecting end is connected to the second connecting piece, At least one of the first frame and the second frame is connected.
  • Such an arrangement can strengthen the linkage effect of the frame at each corner, ensure the touch effect at the corners, and further ensure the overall linkage effect of various locations within the frame.
  • the third connector is connected to the first connector or the second connector, the overall force transmission effect of the connector can be improved, thereby improving the overall linkage performance.
  • the third connector is connected to the frame but not to the second connector
  • the overall flexibility of the connecting part can be improved, and the specific design can be based on actual needs.
  • embodiments of the present application also provide a tenth implementation manner of the first aspect:
  • the supporting part includes a first supporting member connected to the second connecting member and a second supporting member correspondingly connected to each third connecting member.
  • the arrangement of two sets of support members can increase the number of support points and generate greater resilience after being pressed.
  • Each support member is equipped with elastic bends and is supported on the bottom plate, thereby improving the rapid rebound of the elastic layer. ability.
  • the embodiments of the present application also provide an eleventh implementation manner of the first aspect:
  • the second support member has a V-shaped structure, and the bend of the V-shaped structure forms a support point. On the open side of the V-shaped structure, one side end is connected to the third connecting member, and the other side end is connected to the third connecting member. Or the first connector connection.
  • the second support member is configured as a structure in which both ends are tilted and connected to the connectors respectively, and the middle part is supported by the bottom plate, when the connector at one end is forced to move to one side of the bottom plate, the second support member can drive the other support member.
  • the connecting piece at one end moves to the side away from the bottom plate to ensure the overall linkage performance of the elastic layer.
  • the embodiments of the present application also provide a twelfth implementation manner of the first aspect:
  • the number of the first supporting members is four, and the four first supporting members are arranged along the circumferential direction of the action member; the number of the second supporting members is four and each corresponds to the four third connecting members in a one-to-one manner.
  • the four first support members and the four second support members form a total of eight support points, which can provide sufficient elastic support while simplifying the overall structure.
  • embodiments of the present application also provide a thirteenth implementation manner of the first aspect:
  • the third connecting piece is provided with a relief structure corresponding to the first supporting piece.
  • the setting of the giving structure can provide a giving space for the setting of the first supporting member.
  • embodiments of the present application also provide a fourteenth implementation manner of the first aspect:
  • the third connecting member is spaced apart from the first supporting member. With this arrangement, the arrangement of the third connecting member and the first supporting member do not interfere with each other.
  • embodiments of the present application also provide a fifteenth implementation manner of the first aspect:
  • the support points of the first support member and the second support member one is a fixed point, and the other is a fixed point or abutment point.
  • the fixed point is provided with a fixing hole and is fixedly connected to the base plate through screws and nuts.
  • the contact point is in contact with the bottom plate.
  • at least one set of support points is a fixed point and is fixed to the base plate. In this way, there is no need to fix the elastic layer to the base plate in other ways, which can simplify the overall structure and installation process.
  • the embodiments of this application also provide a sixteenth implementation manner of the first aspect:
  • the nut is fixed on the side of the elastic layer away from the bottom plate and communicates with the fixing hole.
  • the fixing nut can increase the structural strength of the fixing point.
  • the screws pass through the bottom plate and fixing holes in sequence and are fixed with the reinforcing nut to facilitate installation operations.
  • the embodiments of the present application also provide a seventeenth implementation manner of the first aspect:
  • the fixed point is also provided with an elastic piece.
  • the elastic piece can be sandwiched between the elastic layer and the bottom plate.
  • Elastic gaskets can further increase the elastic support between the support point and the bottom plate, and improve the resilience of the support point.
  • the embodiments of the present application also provide an eighteenth implementation manner of the first aspect:
  • the elastic member is an elastic gasket, or the edge of the fixing hole is provided with an elastic flange along the circumferential direction, and the elastic flange forms the elastic member.
  • Different forms of elastic parts are given, and the setting flexibility is good, and the specific settings can be made according to the actual situation.
  • embodiments of the present application also provide a nineteenth implementation manner of the first aspect:
  • the nut has a T-shaped structure.
  • the nut includes a limiting end and an insertion section.
  • the insertion section passes through the fixing hole.
  • the limiting end and the insertion section are provided with threaded holes along the axial direction, and the threaded holes are adapted to the screws.
  • Such an arrangement can increase the axial length of the threaded hole, increase the mating area between the nut and the screw, and ensure stable thread mating between the two.
  • the embodiments of the present application also provide a twentieth implementation manner of the first aspect:
  • the elastic bending also has a hollow structure. Such an arrangement can reduce the stiffness of the elastic bending and improve its deformation and rebound capabilities. Moreover, it can also facilitate the elastic bending to extend in the direction perpendicular to the thickness direction when elastic deformation occurs due to force, and thus can Prevent damage or plastic deformation due to excessive elastic bending rigidity.
  • the embodiments of the present application also provide a twenty-first implementation manner of the first aspect:
  • At least part of the elastic arm is also provided with a hollow structure.
  • the structural strength of the elastic arm here can be reduced, thereby improving its elastic deformation ability, which is beneficial to storing energy during the deformation process of the elastic layer due to pressing, and improving the overall resilience of the elastic layer.
  • any one of the first to the twenty-first implementation manners of the first aspect also provide a twenty-second implementation manner of the first aspect:
  • the surface of the elastic layer forms the action part, or the elastic layer is provided with protrusions on the side facing away from the point, and the protrusions form the action part, which can simplify the overall structure.
  • the elastic layer is provided with an action hole corresponding to the triggering piece.
  • the action hole is provided with a flexible piece and forms the action piece.
  • the hardness of the flexible piece is smaller than the hardness of the elastic layer. This allows the flexible part to reduce noise and the probability of collision damage to the trigger part when it interacts with the trigger part, and at the same time improves the user's feel when pressing.
  • the embodiments of this application also provide a twenty-third implementation manner of the first aspect:
  • the flexible part is also provided with a boss that overlaps the edge of the action hole. This setting can improve the user's pressing feel.
  • the embodiments of the present application also provide the twenty-fourth implementation manner of the first aspect:
  • a second aspect of the embodiments of the present application provides an electronic device, including the touch panel of any one of the first aspect, the first to the twenty-fourth embodiment of the first aspect.
  • the technical effect of this electronic device is similar to the technical effect of the touch panel of the electronic device provided in the first aspect, and will not be described in detail here to save space.
  • Figure 1 is an exploded view of a touch panel provided by an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of the elastic layer in Figure 1;
  • Figure 3 is a partial enlarged view of Figure 2;
  • Figure 4 is an exploded view of Figure 2;
  • Figure 5 is a top view of the flexible layer in Figure 4.
  • Figure 6 is a layout diagram of the partial position elastic arm in Figure 2;
  • Figures 7-8 are schematic diagrams of the motion principle of the first path according to an embodiment of the present application.
  • Figures 9-10 are schematic diagrams of the movement principle of the second path according to an embodiment of the present application.
  • Figure 11 is an exploded view of the touch panel provided by the second embodiment of the present application.
  • Figure 12 is a schematic structural diagram of the elastic layer in Figure 11;
  • Figure 13 is a partial enlarged view of Figure 12;
  • Figure 14 is another structural schematic diagram of the action member in Figure 13;
  • Figure 15 is an exploded view of Figure 12;
  • Figure 16 is a layout diagram of the partial position elastic arm in Figure 2;
  • Figures 17-18 are schematic diagrams of the motion principle of the first path in the second embodiment of the present application.
  • Figures 19-20 are schematic diagrams of the motion principle of the second path in the second embodiment of the present application.
  • Figure 21 is a partial cross-sectional view of the first support member in Figure 13;
  • Figure 22 is a partial cross-sectional view of the second support member in Figure 13;
  • Figure 23 is a schematic structural diagram of the elastic layer of the touch panel provided by the third embodiment of the present application.
  • Figures 24-30 are schematic structural views of the second support member in a flat state.
  • Embodiments of the present application provide an electronic device and a touch panel for the electronic device.
  • the electronic device includes, but is not limited to, a laptop keyboard, a tablet external keyboard, a leather case keyboard, a personal digital assistant, a game operating platform device, etc. Mobile or stationary terminal with touchpad.
  • a touchpad taking a laptop keyboard as an example, can be regarded as a substitute for a mouse.
  • the touchpad includes a circuit board and a trigger. By pressing the touchpad, the trigger of the touchpad is triggered, enabling signal transmission. It is more convenient to use.
  • most of the touch panels of existing electronic devices are half-area touch.
  • Half-area touch means that the touch panel can only achieve the triggering and pressing feel in some areas. When the user needs to trigger the touch control, it can only The experience is poor when operating it in the corresponding area.
  • the touch panel of the electronic device provided in this embodiment can realize full-area touch, so that the trigger can be triggered when the user presses any area on the touch panel, thereby greatly improving the user experience.
  • Figures 1 to 10 are relevant drawings of the touch panel provided by one embodiment of the present application.
  • Figures 11 to 20 are related drawings of the touch panel provided by the second embodiment of the present application.
  • Figure 23 is a related drawing of the touch panel provided by the third embodiment of the present application.
  • the touch panel of the electronic device includes a base plate 200, an elastic layer 100, a circuit board 300 and a decorative layer 400 that are stacked in sequence.
  • the decorative layer 400 is located at the outermost layer of the touch panel.
  • the decorative layer 400 can be a glass layer or a Mylar layer, etc.
  • the outside of the decorative layer 400 can also be provided with a coating and form a part that the user can manually touch; the bottom plate 200 can provide support for the elastic layer 100, and the elastic layer 100 can be pressed when pressed.
  • the trigger 500 is provided on the side of the circuit board 300 facing the elastic layer 100, and is connected to the circuit board 300 to trigger
  • the component 500 is capable of signal transmission after being triggered.
  • the trigger 500 includes but is not limited to Metal Dome (metal reed, commonly known as "dome piece"), and how the trigger 500 is connected to the circuit board 300 and realizes signal transmission after triggering is a matter for technology in this field. It is a well-known prior art to the general public, so to save space, it will not be described in detail here.
  • a first adhesive layer 600 is disposed between the circuit board 300 and the decorative layer 400.
  • the circuit board 300 is bonded and fixed to the decorative layer 400 through the first adhesive layer 600.
  • the circuit board 300 and the elastic A second adhesive layer 700 is provided between the layers 100.
  • the circuit board 300 and the elastic layer 100 are bonded and fixed through the second adhesive layer 700.
  • the fixed connection between the layers through bonding can simplify the installation process.
  • the first adhesive layer 600 can cover the entire surface of the circuit board 300.
  • the first adhesive layer can be set according to actual needs.
  • 600 is provided with escape holes corresponding to individual circuit components on the surface of the circuit board 300
  • the second adhesive layer 700 is a frame structure provided along the circumferential direction of the circuit board 300 .
  • the adhesive layer can be formed by applying liquid glue and then solidifying, or it can be formed directly by attaching double-sided adhesive tape. There is no specific limitation here.
  • the elastic layer 100 includes a frame 1 and an operating member 2 and a connecting part 3 connected in the frame 1 (the first connecting member 31 , the second connecting member 32 and the third connecting member 32 as shown in the figure).
  • the connecting part 33) and the supporting part (including the first supporting part 41 and the second supporting part 42), wherein the supporting part is connected to the connecting part 3, and the supporting part is formed by providing an elastic bend 43 to protrude toward one side of the bottom plate 200.
  • the supporting points can be supported on the bottom plate 200.
  • the elastic layer 100 can move to one side of the bottom plate 200 under the pressure. Due to the supporting effect of the bottom plate 200 on the support point, the elastic bend 43 undergoes elastic deformation and generates a rebound force.
  • the rebound force can prevent The elastic layer 100 continues to move toward one side of the bottom plate 200.
  • the movement displacement of the elastic layer 100 along the pressing direction that is, the direction from the elastic layer 100 to one side of the bottom plate 200
  • the action member 2 can press the trigger member 500 in the opposite direction, so that the trigger member 500 is triggered to generate signal transmission.
  • the frame 1 includes a frame arranged along the circumferential direction.
  • the operating member 2 is connected with a connecting portion 3 along its circumferential direction and the frame of the frame 1.
  • the frame 1, the connecting part 3 and the operating part 2 are integrated through elastic arms that are prone to elastic deformation, so as to achieve the overall linkage effect of the elastic layer 100.
  • the pressing force can be transmitted to the position of the action part 2 through the linkage between the components of the elastic layer 100, and the support part and the elastic arm of the elastic layer 100 are elastically deformed and The energy is stored to generate a rebound force and enable the action member 2 to act on the trigger member 500 so that the trigger member 500 is triggered, thereby achieving full-area touch control.
  • the elastic layer 100 only tilts toward the base plate 200 on one side corresponding to the pressed position, and the stroke of the action member 2 to squeeze the trigger member 500 is not enough. A situation that causes the trigger 500 to fail to be triggered.
  • the pressing force is transmitted to the elastic layer 100 , elastic deformation occurs at both the support part and the elastic arm, and is transmitted to the action part through the linkage of the frame 1 and the connecting part 3 2, so that the action member 2 can reversely act on the trigger member 500 to be triggered, thereby realizing full-area touch control of the touch panel.
  • the rebound force generated by the elastic arm and the supporting part can drive each component of the elastic layer 100 to achieve rapid reset after the external pressing effect is removed.
  • this embodiment achieves global touch control of the touch panel through a mechanical structure, compared with the solution of implementing global touch control of the touch panel by arranging electronic components, it can effectively improve the user experience and improve the user's ability to press the touch panel. It has a smooth pressing feel, ensures stable performance and reduces the probability of failure.
  • the thickness of the elastic arm is smaller than the thickness of the connecting part 3.
  • the elastic arm with a smaller thickness is smaller than the elastic arm with a larger thickness.
  • Large connecting parts are more likely to undergo elastic deformation, thereby achieving a linkage effect between the connecting part and the frame, as well as the supporting part and the action piece.
  • the elastic layer 100 includes a two-layer structure of a flexible layer 110 and a reinforcement layer 120.
  • the elastic arms are formed on the flexible layer 110.
  • the flexible layer 110 also includes a flexible connection part 111
  • the reinforcement layer 120 includes a connection part.
  • the reinforcing structure 121 and the connecting portion reinforcing structure 121 can be attached and fixed to the flexible connecting portion 111 to form the above-mentioned thick connecting portion 3 .
  • the thickness of the flexible connecting part 111 is the same as the thickness of the elastic arm, and the thickness of the connecting part 3 is the sum of the thickness of the flexible connecting part 111 and the thickness of the connecting part reinforcement structure 121 , so that the thickness of the connecting part 3 is greater than the thickness of the elastic arm.
  • the elastic arm can also be prepared by a whole plate structure.
  • the position of the elastic arm can be thinned through machining, and the elastic layer 100 is formed by a two-layer structure design of the flexible layer 110 and the reinforcing layer 120. time, it can simplify the processing technology.
  • the flexible layer 110 may be provided with the above-mentioned frame 1, or only the reinforcement layer 120 may be provided with the above-mentioned frame 1 (as shown in Figure 15).
  • the flexible connection portion 111 of the flexible layer 110 can be fixed to the frame 1 provided on the reinforcing layer 120 through welding or other methods.
  • the flexible layer 110 can be provided with a flexible frame 111.
  • the thickness of the frame 111 is the same as the thickness of the flexible connecting portion 111 and the elastic arm.
  • the reinforcing layer 120 is provided with a frame reinforcing structure 122 corresponding to the frame reinforcing structure 122 and the flexible frame 111.
  • the frame 111 is fixed and fixed to form the frame 1 as a whole.
  • the setting of frame 1 is relatively flexible and can be set according to actual needs.
  • the connecting portion reinforcement structure 121 and the flexible connecting portion 111 can have exactly the same shape, and they can be completely overlapped and fixed together to ensure the overall linkage performance of the elastic layer 100 .
  • the shapes of the connecting portion reinforcement structure 121 and the flexible connecting portion 111 may not be exactly the same, and they may only partially overlap and be fixed together to ensure the overall flexibility of the elastic layer 100 and facilitate elastic deformation.
  • the overall thickness of the connecting part 3 is greater than the thickness of the elastic arm.
  • the shape of the frame reinforcement structure 122 and the flexible frame 112 may be exactly the same and completely overlap, or they may not have exactly the same shape and only partially overlap.
  • the elastic layer 100 is also provided with a reinforcement frame 140 along the circumferential direction of the action member 2.
  • the flexible layer 110 is provided with the action member 2
  • the reinforcement layer 120 is provided with a reinforcement frame. 140.
  • the reinforcing frame 140 is arranged along the circumferential direction of the action member 2 and is attached and fixed to the flexible layer 110. The arrangement of the reinforcing frame 140 can increase the structural strength here and facilitate the transmission of the pressing force to the action member 2 through the connecting portion 3 and the elastic arm.
  • each reinforcing structure is independent of each other, and after the reinforcing structure and the flexible layer 110 are adhered and fixed, they can be formed between two adjacent reinforcing structures.
  • the above-mentioned elastic arms are formed at the gaps.
  • each reinforcing structure can be fixed one by one to the corresponding position of the flexible layer 110, or when preparing the reinforcing layer 120, one of the reinforcing structures can be There are connecting structures left in between. After the entire reinforcing layer 120 is attached and fixed to the flexible layer 110, the connecting structures between the reinforcing structures can be removed through machining. This can improve the overall production efficiency of the elastic layer 100. .
  • elastic components such as spring pieces can also be provided between the connecting part 3 and the frame 1, between the connecting part 3 and the operating part 2, and between the connecting part 3 and the supporting part.
  • the elastic parts are prone to elasticity. Deforms and forms elastic arms.
  • the thickness of the elastic arm is set to be small to achieve easy elastic deformation and generate rebound force, the overall structure of the elastic layer 100 can be simplified, and the processing technology can be simplified.
  • the connecting portion 3 is arranged symmetrically about the center of the frame 1. This arrangement can make the entire linkage of the touch panel more uniform. When any area of the touch panel is pressed, the connecting portion 3 can be used.
  • the linkage between the action member 2 and the frame 1 causes the action member 2 to act on the trigger member 500 to trigger it.
  • the frame 1 includes two parallel first frames 11 and two parallel second frames 12.
  • the first frames 11 and the second frames 12 enclose to form a square frame 1, wherein, The length of the first frame 11 is greater than the length of the second frame 12, or the length of the first frame 11 is less than the length of the second frame 12, that is, the frame 1 has a rectangular structure; it can also be the first frame 11 and the second frame 12.
  • the length of the frame 12 may be the same and may enclose a square frame 1 .
  • there is no restriction on the specific structure of the frame 1 that is to say, there is no restriction on the shape of the touch panel.
  • it can also be set to a circle, an ellipse or a polygon, etc., and Setting it into a square structure is more suitable for existing touch pads on the market and has good versatility.
  • the connecting part 3 does not completely fill the entire frame 1, but is provided with a hollow structure to divide the connecting part 3 in the frame 1 into multiple areas, specifically including the first connecting piece 31, the second Connecting member 32 and third connecting member 33 , wherein the first connecting member 31 is connected to the first frame 11 , the second connecting member 32 is connected to the second frame 12 , and the third connecting member 33 is provided at each corner of the frame 1 .
  • Such an arrangement allows the connecting portion 3 to be arranged within the entire frame 1 and at the same time improve the overall linkage effect between the connecting portion 3 and the frame 1 .
  • the square frame 1 is provided with four corners, and the number of the third connecting members 33 is four groups.
  • the four groups of third connecting members 33 are independent of each other and are respectively provided at the four corners.
  • the third connecting member 33 has two connecting ends, one of which may be connected to the first connecting member 31 or connected to the first connecting member 31 through an elastic arm.
  • the elastic arm can be the same elastic arm as the elastic arm provided between the first connecting member 31 and the operating member 2 to simplify the overall structure; the other connecting end of the third connecting member 33 can be connected with the third connecting member 31.
  • At least one of the two connecting members 32 , the first frame 11 or the second frame 12 may be connected.
  • Such an arrangement can strengthen the linkage effect of the frame 140 at each corner, ensure the touch effect at the corners, and further ensure the overall linkage effect of each position within the frame 1 .
  • the third connecting member 33 may or may not be provided with an elastic arm when connected to the first connecting member 31 or the second connecting member 32.
  • the third connecting member 33 may be connected to the action member 2, the first frame 11 and An elastic arm needs to be provided when connecting the second frame 12 .
  • the third connecting piece 33 is connected between the first connecting piece 31 and the second frame 12; as shown in Figure 12, the third connecting piece 33 is connected to the first connecting piece 31 and the second connecting piece 32 respectively. Connected to the first frame 11.
  • the third connecting part 33 When the third connecting part 33 is connected to the first connecting part 31 or the second connecting part 32, the overall force transmission effect of the connecting part 3 can be improved, thereby improving the overall linkage performance.
  • the third connecting part 33 When the third connecting part 33 is connected to the frame without When connected to the second connecting member 32, the overall flexibility of the connecting part 3 can be improved, and the specific design can be based on actual needs.
  • each connector there is no restriction on the shape of each connector.
  • bending, hollowing, and other structures can be provided.
  • Elastic arms are provided between each connector and the frame.
  • the first connecting member 31 includes two parts, which are respectively connected between the first frame 11 and the action member 2.
  • an elastic arm is also connected between the two parts, or as shown in FIG. 23 , the first connecting member 31 may be a whole body and may be connected between the first frame 11 and the operating member 2 .
  • one end of the second connecting member 32 is connected to the operating member 2 , and the end of the second connecting member 32 away from the operating member 2 forms a bifurcated structure so that the second connecting member 32 forms a similar V-shaped structure.
  • the two side ends of the opening side of the V-shaped structure are respectively connected to the second frame 12, as shown in Figures 2 and 12, the two side ends of the opening side of the V-shaped structure are separated from each other to improve the overall flexibility, or, As shown in Figure 23, a connection structure 34 may also be provided between the two side ends of the opening side of the V-shaped structure to improve the overall linkage effect.
  • the supporting part includes a first supporting member 41 and a second supporting member 42, wherein the first supporting member 41 is connected to the second connecting member 32, the second supporting member 42 is connected to the third connecting member 33, and each third supporting member 41 is connected to the second connecting member 32.
  • One support member 41 is arranged along the circumferential direction of the action member 2
  • each second support member 42 is arranged along the circumferential direction of the action member 2.
  • the arrangement of the two sets of support members can increase the number of support points and generate greater pressure after being pressed.
  • Each support member is provided with an elastic bend 43 and is supported on the bottom plate 200, thereby improving the rapid rebound ability of the elastic layer 100.
  • the second supporting member 42 is generally in a V-shaped structure. It should be noted here that the shape of the second supporting member 42 is not necessarily a V-shaped structure in the strict sense. It may also be a U-shaped structure. The second supporting member 42 may be a U-shaped structure. The two side ends of the opening side of the support member 42 are tilted toward one side of the circuit board 300 , and the middle bend forms a support point and is supported on the base plate 200 . The portions of the second support member 42 on both sides of the support point may be configured to have a symmetrical structure with respect to the support point.
  • the second support member 42 When the second support member 42 is configured as a structure in which both ends are tilted and connected to connectors respectively, and the middle is supported by the base plate 200 , when the connector at one end is forced to move to one side of the base plate 200 , the second support member 42 can be supported by the second support member 42 .
  • the member 42 drives the connecting member at the other end to move to the side away from the bottom plate 200 to ensure the overall linkage performance of the elastic layer 100 .
  • the second supporting member 42 may be disposed between the first connecting member 31 and the third connecting member 33 as shown in FIG. 6 .
  • the third connecting member 33 has a two-section structure, and the second supporting member 42 is connected to both sides.
  • the two raised side ends of the second connecting member 42 are respectively between the two sections of the third connecting member 33.
  • one of the support points of the first support member 41 and the second support member 42 is a fixed point, and the other may be a fixed point or a contact point.
  • the fixed point refers to a structure that can be fixedly connected to the bottom plate 200
  • the contact point refers to a structure that is not fixed to the bottom plate 200 but only contacts the bottom plate 200 . That is to say, among the support points of the two sets of support members, at least one set of support points is a fixed point and is fixed to the base plate 200. In this way, there is no need to fix the elastic layer 100 to the base plate 200 in other ways, which can simplify the overall structure and installation. Craftsmanship.
  • the support point of the first support member 41 may be a fixed point as shown in Figures 7-10, and the support point of the second support member 42 may be a contact point, or it may be as shown in Figures 17-20
  • the support point of the first support member 41 and the support point of the second support member 42 are both fixed points, or the support point of the first support member 41 can be a contact point and the support point of the second support member 42 can be both fixed points.
  • the support part when the support point is a fixed point, the support part has a fixing hole at the fixed point, and is fixed to the bottom plate 200 through screws 46 and nuts, where the nut is located on the side of the elastic layer 100 away from the bottom plate 200, and the screws 46 can pass through the bottom plate 200 and the fixing hole in sequence and cooperate with the nut to fix the elastic layer 100 and the bottom plate 200 .
  • the nut is the reinforcing nut 44. Before installation, the reinforcing nut 44 is first It is fixed to a fixed point by welding or other methods, specifically located on the side of the elastic layer 100 away from the base plate 200. The reinforcing nut 44 is connected with the fixing hole and can increase the structural strength of the fixed point. During installation, the screws 46 pass through the base plate 200 in turn.
  • the fixing hole is matched with the reinforcing nut 44 to facilitate the installation operation; another setting situation is as shown in Figure 19 and Figure 20, the nut is the connecting nut 45, the connecting nut 45 is not fixed with the fixed point first, and the installation After the screws 46 pass through the bottom plate 200 and the fixing holes in sequence, they are fixed with the connecting nuts 45 .
  • an elastic member 47 is also provided at the fixed point.
  • the fixed point is fixed to the base plate 200 through the screw 46 and the connecting nut 45, the elastic member 47 can be sandwiched between the elastic layer 100 and the base plate 200. Between the bottom plates 200, the fixed point directly interacts with the elastic member 47. In this way, the elastic support effect between the fixed point and the bottom plate 200 can be further increased, and the rebound capability of the fixed point can be improved.
  • FIG. 21 is a partial cross-sectional view of the first support member 41 in FIG. 13, which shows that when the nut is a reinforcing nut 44, the fixed point is fixed by the reinforcing nut 44 and the screw 46 to achieve fixation with the base plate 200.
  • Figure 22 is a partial cross-sectional view of the second support member 42 in Figure 13, showing that when the nut is a connecting nut 45, the fixed point is fixed by the connecting nut 45 and the screw 46 to achieve fixation with the base plate 200.
  • the nut provided at the first support point 41 may be a reinforcing nut 44 or a connecting nut 45.
  • the nut provided at the second supporting point 42 may be a connecting nut 45 or a reinforcing nut 45.
  • Nut 44 is available.
  • the specific structure of the elastic member 47 is not limited.
  • the elastic member 47 can be configured as an elastic gasket sandwiched between the elastic layer 100 and the bottom plate 200 , or it can also be the edge of the fixing hole.
  • Elastic flanges are provided along the circumferential direction, and the elastic member 47 can be formed by elastic flanges.
  • the shape and structure of the elastic member 47 are relatively flexible and can be set according to actual conditions.
  • the elastic flange may be a plurality of flange structures arranged at intervals along the circumferential direction of the fixing hole, or the elastic flange may be arranged continuously along the circumferential direction of the fixing hole.
  • the overall flanging structure can be used.
  • the nut (including the reinforcing nut 44 and the connecting nut 45) has a T-shaped structure.
  • the nut includes a limiting end 48 and an insertion section 49.
  • the insertion section 49 can pass through the fixed hole, the limiting end 48 is located on the side of the elastic layer 100 away from the bottom plate 200 and cannot pass through the fixing hole.
  • the limiting end 48 and the insertion section 49 are provided with threaded holes through the axial direction, and the screws 46 can cooperate with the threaded holes to fix the holes.
  • the elastic layer 100 and the bottom plate 200 are fixed at the supporting points.
  • the nut can also be configured to include only the limiting end 48. When the nut is configured to include the limiting end 48 and the insertion section 49, the axial length of the threaded hole can be increased.
  • the mating area between the nut and the screw 46 ensures a stable thread mating of the two.
  • a gasket 410 can also be provided between the elastic layer 100 and the bottom plate 200, and the insertion section 49 passes through the gasket 410.
  • the length of the insertion section 49 can be further increased by the arrangement of the gasket 410, thereby Increase the axial length of the threaded hole to ensure the stability of the fit between the screw 46 and the nut.
  • the support point When the support point is a contact point, as shown in Figures 9 and 10, the support point can be directly in contact with the surface of the bottom plate 200, and provide support through the surface of the bottom plate 200 to generate rebound force, or it can also be A support platform 210 is provided on the surface of the base plate 200 and protrudes toward one side of the elastic layer 100. The support points can be in contact with the surface of the support platform 210, and there is no specific limitation here.
  • the elastic bend 43 of the support part is also provided with a hollow structure. This arrangement can reduce the stiffness of the elastic bend 43 and improve its deformation ability and rebound ability.
  • the hollow structure of the elastic bend 43 can also facilitate the elastic bend 43 to extend in the direction perpendicular to the thickness direction when the elastic bend 43 is elastically deformed by force, thereby preventing damage caused by the elastic bend 43 being too rigid. Or plastic deformation occurs.
  • FIGs 24 to 30 are schematic structural diagrams of the second support member 42 in a flattened state.
  • the second support member 42 is 42 is provided with O-shaped hollow holes.
  • the second support member 42 is provided with diamond-shaped hollow holes.
  • the second support member 42 is provided with irregular hollow holes.
  • the second support member 42 is provided with hollow grooves to form a similar continuous V-shaped structure.
  • the second support member 42 is provided with hollow grooves to form a similar continuous U-shaped structure.
  • the hollow structure provided on the support member can also be any combination of the above-mentioned hollow holes and hollow grooves.
  • the number of the first supporting members 41 and the number of the second supporting members 42 is not limited.
  • the number of the first supporting members 41 and the number of the second supporting members 42 may be the same or different.
  • the operating member 2 is located in the middle of the frame 1 (specifically, the center of the frame 1 or a position close to the center).
  • the number of the first supporting members 41 There are four second support members 42 arranged around the circumference of the action member 2.
  • the number of the second support members 42 is also four, and they are respectively connected to the four third connecting members 33.
  • the second support members 42 are arranged around the circumference of the action member 2. .
  • the four first support members 41 and the four second support members 42 form a total of eight support points, which can provide sufficient elastic support while simplifying the overall structure.
  • the first support member 41 and the second support member 42 may be arranged at similar positions.
  • the third connecting member 33 passes through the position of the first support member 41, and there is overlap between the two in the thickness direction.
  • a relief structure 331 (such as a relief hole or a relief groove) can be provided on the third connecting member 33 to provide a relief space for the placement of the first support member 41, or it can also be as shown in Figure 12 and Figure 13
  • the third connecting member 33 and the first supporting member 41 are spaced apart from each other, there is no overlap between them in the thickness direction, and the third connecting member 33 and the first supporting member 41 are arranged without interfering with each other.
  • the action member 2 can contact the trigger member 500 and act on the trigger member 500 to trigger it.
  • the specific structure of the action member 2 is not limited. As shown in FIGS. 4 and 5 , the surface of the elastic layer 100 directly forms the action member 2 , and the center area of the surface of the elastic layer 100 directly contacts the trigger member 500 and acts on the trigger member 500 .
  • the action part 2 is formed on the side surface facing the circuit board 300 to reduce the stiffness of the action part 2, reduce the noise when the action part 2 interacts with the trigger part 500, and reduce the probability of collision damage to the trigger part 500.
  • a protrusion may also be provided in the center area of the surface of the elastic layer 100, and the protrusion abuts the triggering member 500 and acts on the triggering member 500 to trigger the triggering member 500.
  • an action hole 130 may be provided in the central area of the elastic layer 100 , and a flexible member may be provided in the action hole 130 . The above-mentioned action member 2 is formed through the flexible member and acts in contact with it.
  • the hardness of the flexible piece is smaller than the hardness of the elastic layer 100, so that when the flexible piece interacts with the trigger piece 500, it can reduce the noise and the probability of collision damage to the trigger piece 500, and at the same time improve the user's feel when pressing. .
  • the flexible member may be a Mylar sheet disposed at the action hole 130 , or the flexible member may also be a Mylar sheet disposed at the action hole 130
  • the plastic parts can be fixed to the elastic layer 100 through in-mold injection molding, hot melting, bonding, etc.
  • the plastic part can also be provided with an extension boss 21.
  • the extension boss 21 can interact with the trigger 500.
  • There is no limit on the size of the extension boss 21. for example, the extension boss 21 may overlap with the edge of the action hole 130 as shown in Figure 13, or it may also overlap with the edge of the action hole 130 as shown in Figure 14.
  • the extension boss 21 may not overlap with the edge of the action hole 130. , which can be designed according to actual needs, such as the user's pressing feel requirements.
  • a1, b1, c1, d1, e1 and f1 are all elastic arms.
  • the elastic layer 100 can elastically deform under the pressing force.
  • the pressing force can be transmitted through the second connecting member 32 to the action part 2 to form a first transmission path, and to the action part 2 through the third connection part 33 and the second connection part 32 to form a second transmission path.
  • FIG. 7 shows the state of each component of the elastic layer 100 that transmits the pressing force through the first transmission path before pressing
  • FIG. 8 shows each component of the elastic layer 100 that transmits the pressing force through the first transmission path.
  • the state of the component after pressing After being pressed, the circuit board 300 and the elastic layer 100 all approach one side of the bottom plate 200 as a whole.
  • the pressing force can be transmitted from the elastic arm a1 to the elastic layer through the second connector 32.
  • the arm b1 reaches the first support member 41.
  • the elastic bend 43 (elastic arm b1) of the first support member 41 elastically deforms and stores energy to provide a supporting force for the second connecting member 32 to move away from the bottom plate 200.
  • the second connecting member 32 forms a rocker-like structure with the support point of the first supporting member 41 as the fulcrum, the second connecting member 32 moves toward one end of the elastic arm a1 toward one side of the base plate 200 , then the second connecting member 32 The end of the connecting member 32 facing the elastic arm c1 will move to the side away from the base plate 200, and drive the action member 2 to move to one side of the triggering member 500 through the elastic arm c1, so as to act on the triggering member 500 so that the triggering member 500 is triggered. .
  • Figure 9 shows the state of each component of the elastic layer 100 that transmits the pressing force through the second transmission path before pressing.
  • Figure 10 shows the state of each component of the elastic layer 100 that transmits the pressing force through the second transmission path before pressing. the final state.
  • the circuit board 300 and the elastic layer 100 all approach one side of the bottom plate 200 as a whole.
  • the pressing force can be transmitted from the elastic arm d1 to the elastic layer through the third connector 33.
  • the arm e1 reaches the second support member 42.
  • the two side ends of the opening side of the V-shaped structure of the second support member 42 are connected to the third connecting member 33 and the other side end is connected to the first connecting member 31.
  • the first connecting member 31 can be driven to move to the side away from the base plate 200 through the deformation support function of the second supporting member 42, and then through The elastic arm f1 drives the action member 2 to move to one side of the trigger member 500 to act on the trigger member 500 so that the trigger member 500 is triggered.
  • the elastic layer 100 when the elastic layer 100 is pressed by the area shown by the dotted line in Figure 6, it can be deformed through the linkage between the frame, each connector and the elastic arm, and the pressing force is transmitted to the action piece 2.
  • the movement displacement of the action member 2 along the pressing direction is smaller than the movement displacement of the trigger member 500, and the action member 2 acts on the trigger member 500 to trigger it.
  • the pressing force is withdrawn, the rebound force of the support part and each elastic arm It can drive the elastic layer 100 and other layers back to their original positions.
  • a2, b2, c2, d2, e2 and f2 are all elastic arms.
  • the elastic layer 100 can elastically deform under the pressing force.
  • the pressing force can be transmitted through the second connector 32 to the action part 2 to form a first transmission path, and to the action part 2 through the third connection part 33 and the second connection part 32 to form a second transmission path.
  • FIG. 17 shows the state of each component of the elastic layer 100 that transmits the pressing force through the first transmission path before pressing
  • FIG. 18 shows each component of the elastic layer 100 that transmits the pressing force through the first transmission path.
  • the state of the component after pressing After being pressed, the circuit board 300 and the elastic layer 100 all approach one side of the bottom plate 200 as a whole.
  • the pressing force can be transmitted from the elastic arm a2 to the elastic layer through the second connector 32.
  • the arm b2 reaches the first support member 41.
  • the elastic bend 43 (elastic arm b2) of the first support member 41 elastically deforms and stores energy to provide a supporting force for the second connecting member 32 to move away from the bottom plate 200.
  • the second connecting member 32 forms a rocker-like structure with the supporting point of the first supporting member 41 as the fulcrum, the second connecting member 32 moves toward one end of the elastic arm a2 toward one side of the base plate 200 , then the second connecting member 32 The end of the connecting piece 32 facing the elastic arm c2 will move to the side away from the base plate 200, and drive the action piece 2 to move to one side of the triggering piece 500 through the elastic arm c2, so as to act on the triggering piece 500 so that the triggering piece 500 is triggered. .
  • Figure 19 shows the state of each component of the elastic layer 100 that transmits the pressing force through the second transmission path before pressing.
  • Figure 20 shows the state of each component of the elastic layer 100 that transmits the pressing force through the second transmission path before pressing. the final state.
  • the circuit board 300 and the elastic layer 100 all approach one side of the bottom plate 200 as a whole.
  • the pressing force can be transmitted from the elastic arm d2 to the elastic layer through the third connector 33.
  • the arm e2 reaches the second support member 42.
  • the two side ends of the opening side of the V-shaped structure of the second support member 42 are connected to the third connecting member 33 and the other side end is connected to the first connecting member 31.
  • the first connecting member 31 can be driven to move to the side away from the base plate 200 through the deformation support function of the second supporting member 42, and then through The elastic arm f2 drives the action member 2 to move to one side of the trigger member 500 to act on the trigger member 500 so that the trigger member 500 is triggered.
  • the elastic layer 100 when the elastic layer 100 is pressed by the area shown by the dotted line in Figure 16, it can deform through the linkage between the frame, each connector and the elastic arm, and transmit the pressing force to the action piece 2,
  • the movement displacement of the action member 2 along the pressing direction is smaller than the movement displacement of the trigger member 500, and the action member 2 acts on the trigger member 500 to trigger it.
  • the rebound force of the support part and each elastic arm It can drive the elastic layer 100 and other layers back to their original positions.
  • the elastic arm f2 located between the first connecting member 31 and the action member 2 can reduce the elasticity here by being provided with a hollow hole.
  • the structural strength of the arm thereby improving its elastic deformation ability, is conducive to energy storage during the deformation process of the elastic layer 100 due to pressing, and improves the overall rebound ability of the elastic layer 100 .

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Abstract

一种电子设备的触控板，包括依次层叠设置的底板、弹性层、电路板和装饰层，电路板朝向弹性层的一侧还设有触发件；弹性层包括框架以及连接于框架内的动作件、连接部和支撑部，支撑部通过弹性折弯形成向底板的一侧凸出的支撑点，支撑点能够支撑于底板；连接部沿动作件的周向布置，连接部与框架之间、连接部与动作件之间以及连接部与支撑部之间分别连接有弹性臂，支撑部以及各弹性臂均能够在受到按压作用后发生弹性变形并产生回弹力。弹性臂保证弹性层的整体联动性能，使得触控板的任意位置被按压后，均能够将按压作用力传递至动作件，并作用于触发件使得触发件被触发，从而通过机械结构的设置实现触控板的全域触控，有效提升用户体验，并可保证性能稳定、降低故障发生概率。还公开一种电子设备。

Description

一种电子设备及电子设备的触控板
本申请要求于2022年04月18日提交中国国家知识产权局、申请号为202210407123.1、发明名称为“一种电子设备及电子设备的触控板”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
本申请涉及电子设备技术领域，尤其涉及一种电子设备及电子设备的触控板。
背景技术
目前，以笔记本电脑键盘和平板电脑外置键盘为例，包括带有触控板的键盘的电子设备，触控板主要为半域触控，半域触控是指触控板只能实现部分区域的触发和按压手感。而触控板若能实现全域触控，即在触控板上任一区域按压时都能够实现触发和按压手感，则能够大大提升用户体验。
现有技术中，可通过设置压力传感器以实现触控板的全域触控，但此种方式使得按压手感不够真实，体验较差，并且能耗较高，存在反馈延迟、故障发生率较高的问题。
而如何在实现电子设备的触控板的全域触控的同时，能够提升用户体验，并保证性能稳定、降低故障发生率，是本领域技术人员所需要解决的技术问题。
发明内容
本申请实施例提供了一种电子设备及电子设备的触控板，能够在实现触控板的全域触控的同时，提升用户体验，并保证性能稳定，降低故障发生率。
本申请实施例第一方面提供了一种电子设备的触控板，包括依次层叠设置的底板、弹性层、电路板和装饰层，电路板朝向弹性层的一侧还设有触发件；
弹性层包括框架以及连接于框架内的动作件、连接部和支撑部，支撑部通过弹性折弯形成向底板的一侧凸出的支撑点，支撑点能够支撑于底板；
连接部沿动作件的周向布置，连接部与框架之间、连接部与动作件之间以及连接部与支撑部之间分别连接有弹性臂，支撑部以及各弹性臂均能够在受到按压作用后发生弹性变形并产生回弹力。
在受到按压作用后，弹性层能够在按压作用下向底板的一侧移动，由于底板对支撑点的支撑作用，使得弹性折弯发生弹性变形并产生回弹力，该回弹力能够阻碍弹性层继续向底板的一侧移动，随着按压作用的继续，弹性层沿按压方向(即由弹性层向底板的一侧的方向)的移动位移小于触发件的移动位移，动作件能够反向挤压触发件，使得触发件被触发而产生信号传输。
框架包括沿周向布置的边框，动作件沿其周向与框架的边框之间连接有连接部，连接部与框架之间、连接部与动作件之间以及连接部与支撑部之间分别连接有弹性臂，该弹性臂容易发生弹性变形，当受到按压作用后，弹性臂能够发生弹性变形并产生回弹力。
通过容易发生弹性变形的弹性臂，将框架、连接部和动作件连接成一体，以实现弹性层整体的联动效果。使得触控板的任意位置被按压后都能够通过弹性层的各部件之间的联动作用将按压作用力传递至动作件所在位置，弹性层的支撑部和弹性臂均发生弹性变形并 蓄能以产生回弹力，并使得动作件能够作用于触发件，以使触发件被触发，进而实现全域触控。如此一来，能够有效避免发生触控板的某一位置被按压后，弹性层仅有与该按压位置对应的一侧向底板的倾斜，动作件挤压触发件的行程不够而导致触发件未能被触发的情况。
也就是说，当触控板的任意位置被按压后，按压作用力传递至弹性层，支撑部和弹性臂处均发生弹性变形，并通过框架、连接部的联动作用传递至动作件，使得动作件能够反向作用于触发件使其被触发，从而实现该触控板的全域触控。而按压过程中，弹性臂和支撑部所产生的回弹力，能够在外部按压作用撤除后，带动弹性层的各部件实现快速复位。
由于本实施例是通过机械结构实现触控板的全域触控，相较于通过设置电子元件实现触控板的全域触控的方案来说，能够有效提升用户体验，提升用户在按压触控板时的按压手感，并可保证性能稳定、降低故障发生概率。
基于第一方面，本申请实施例还提供了第一方面的第一种实施方式：
弹性臂的厚度小于连接部的厚度。将弹性臂的厚度设置较小以实现容易发生弹性变形并产生回弹力时，能够简化弹性层的整体结构，并简化加工工艺。
基于第一方面的第一种实施方式，本申请实施例还提供了第一方面的第二种实施方式：
弹性层包括柔性层和加强层，柔性层设有弹性臂和柔性连接部，加强层设有连接部加强结构，连接部加强结构与柔性连接部对应贴合固定并形成连接部。通过柔性层和加强层两层结构设计形成弹性层时，能够简化加工工艺。
基于第一方面的第二种实施方式，本申请实施例还提供了第一方面的第三种实施方式：
柔性连接部和连接部加强结构的形状相同，并完全重叠固定，以保证弹性层的整体联动性能。或者，柔性连接部和连接部加强结构部分重叠固定，以保证弹性层的整体柔性。
基于第一方面的第二种实施方式，本申请实施例还提供了第一方面的第四种实施方式：
柔性层设有框架，或者加强层设有框架，或者，柔性层设有柔性框架，加强层设有框架加强结构，框架加强结构与柔性框架贴合固定，并形成框架。框架设置较为灵活，可根据实际需要设置即可。
基于第一方面的第二种实施方式，本申请实施例还提供了第一方面的第五种实施方式：
动作件设于柔性层，加强层还包括加强框，加强框能够沿动作件的周向与柔性层贴合固定。该加强框的设置能够增加此处的结构强度，便于通过该连接部和弹性臂将按压作用力传递至动作件。
基于第一方面、第一方面的第一种至的第五种实施方式中的任一种，本申请实施例还提供了第一方面的第六种实施方式：
连接部关于框架的中心对称布置。如此设置，能够使得该触控板全域联动情况更均匀
基于第一方面、第一方面的第一种至的第六种实施方式中的任一种，本申请实施例还提供了第一方面的第七种实施方式：
框架由两条平行设置的第一边框和两条平行设置的第二边框围合形成；连接部设有镂空结构，并包括第一连接件和第二连接件，第一连接件与第一边框连接，第二连接件与第二边框连接。使得连接部能够在布置于整个框架内的同时，提高连接部和框架之间的整体联动效果。
基于第一方面的第七种实施方式，本申请实施例还提供了第一方面的第八种实施方式：
连接部还包括设于框架的各拐角处的第三连接件。进一步使得连接部能够在布置于整个框架内的同时，提高连接部和框架之间的整体联动效果。
基于第一方面的第八种实施方式，本申请实施例还提供了第一方面的第九种实施方式：
第三连接件包括第一连接端和第二连接端，第一连接端与第一连接件连接，或者，第一连接端通过弹性臂与动作件连接，第二连接端与第二连接件、第一边框及第二边框中的至少一者连接。如此设置，能够加强框架在各拐角处的联动作用，保证拐角处的触控效果，进一步保证框架内的各处位置整体联动效果。当第三连接件与第一连接件或第二连接件连接时，能够提高该连接部的整体传力效果，进而提升整体联动性能，当第三连接件与边框连接而未与第二连接件连接时，能够提高该连接部的整体柔性，具体可根据实际需求设计即可。
基于第一方面的第八种实施方式，本申请实施例还提供了第一方面的第十种实施方式：
支撑部包括与第二连接件连接的第一支撑件以及与各第三连接件对应连接的第二支撑件。两组支撑件的设置，能够增加支撑点的数量并在受到按压作用后产生更大的回弹力，每个支撑件都设有弹性折弯并支撑于底板，进而能够提高弹性层的快速回弹能力。
基于第一方面的第十种实施方式，本申请实施例还提供了第一方面的第十一种实施方式：
第二支撑件呈V字型结构，且V字型结构的折弯处形成支撑点，V字型结构的开口侧，一个侧端与第三连接件连接，另一个侧端与第三连接件或第一连接件连接。将第二支撑件设置为两端翘起并分别与连接件连接、中间抵接底板支撑的结构时，一端的连接件受力向底板的一侧移动时，能够通过该第二支撑件带动另一端的连接件向远离底板的一侧移动，保证该弹性层的整体联动性能。
基于第一方面的第十种实施方式，本申请实施例还提供了第一方面的第十二种实施方式：
第一支撑件的数量为四个，四个第一支撑件沿动作件的周向布置；第二支撑件的数量为四个并分别与四个第三连接件一一对应。四个第一支撑件和四个第二支撑件共形成八个支撑点，可在足够的弹性支撑作用的同时，简化整体结构。
基于第一方面的第十种至第十二种实施方式中的任一种，本申请实施例还提供了第一方面的第十三种实施方式：
第三连接件设有与第一支撑件对应的让位结构。让位结构的设置能够为第一支撑件的设置提供让位空间。
基于第一方面的第十种至第十二种实施方式中的任一种，本申请实施例还提供了第一方面的第十四种实施方式：
第三连接件与第一支撑件间隔设置。如此设置，第三连接件的设置与第一支撑件互不干涉。
基于第一方面的第十种至第十四种实施方式中的任一种，本申请实施例还提供了第一方面的第十五种实施方式：
第一支撑件的支撑点和第二支撑件的支撑点中，一者为固定点，另一者为固定点或抵 接点，固定点设有固定孔，并通过螺钉和螺母与底板固定连接，抵接点与底板抵接。两组支撑件的支撑点中，至少一组支撑点是固定点并与底板固定，如此一来，无需通过其它方式将弹性层与底板固定，可简化整体结构和安装工艺。
基于第一方面的第十五种实施方式，本申请实施例还提供了第一方面的第十六种实施方式：
螺母固定于弹性层远离底板的一侧，并与固定孔连通。固定螺母够增加固定点处的结构强度，安装时，螺钉依次穿过底板和固定孔并与加强螺母配合固定，便于安装操作
基于第一方面的第十五种实施方式，本申请实施例还提供了第一方面的第十七种实施方式：
固定点还设有弹性件，固定点通过螺钉和螺母与底板固定状态下，弹性件能够夹设于弹性层和底板之间。弹性垫片能够进一步增加支撑点与底板之间的弹性支撑作用，提升该支撑点的回弹能力。
基于第一方面的第十七种实施方式，本申请实施例还提供了第一方面的第十八种实施方式：
弹性件为弹性垫片，或者，固定孔的边缘沿周向设有弹性翻边，弹性翻边形成弹性件。给出了弹性件的不同形式，设置灵活性好，具体可根据实际情况设置。
基于第一方面的第十五种至的第十八种实施方式中的任一种，本申请实施例还提供了第一方面的第十九种实施方式：
螺母为T型结构，螺母包括限位端和***段，***段穿过固定孔，限位端和***段沿轴向贯穿设有螺纹孔，螺纹孔与螺钉相适配。如此设置，能够增加螺纹孔的轴向长度，增加螺母和螺钉之间的配合面积，保证二者螺纹配合稳定。
基于第一方面、第一方面的第一种至的第十九种实施方式中的任一种，本申请实施例还提供了第一方面的第二十种实施方式：
弹性折弯还设有镂空结构。如此设置，能够减小弹性折弯的刚度，提高其变形能力和回弹能力，并且，还能够便于该弹性折弯在受力产生弹性变形时，能够向与厚度方向垂直的方向延伸，进而能够防止由于弹性折弯刚性过强而出现损坏或产生塑性变形的情况。
基于第一方面、第一方面的第一种至的第二十种实施方式中的任一种，本申请实施例还提供了第一方面的第二十一种实施方式：
至少部分弹性臂还设有镂空结构。通过设置有镂空孔能够减小此处弹性臂的结构强度，进而提高其弹性变形能力，利于在弹性层由于按压发生变形的过程中蓄能，提高弹性层的整体回弹能力。
基于第一方面、第一方面的第一种至的第二十一种实施方式中的任一种，本申请实施例还提供了第一方面的第二十二种实施方式：
弹性层的表面形成动作件，或者，弹性层朝向点乱的一侧设置有凸起，凸起形成动作件，能够简化整体结构。或者，弹性层设有与触发件相对应的动作孔，动作孔设置有柔性件并形成动作件，柔性件的硬度小于弹性层的硬度。使得柔性件在与触发件作用时，能够降低噪音并降低对触发件的碰撞损坏的概率，同时提升用户按压时的手感。
基于第一方面的第二十二种实施方式，本申请实施例还提供了第一方面的第二十三种实施方式：
柔性件还设有搭接于动作孔边缘的凸台。如此设置，能够提升用户的按压手感。
基于第一方面、第一方面的第一种至的第二十三种实施方式中的任一种，本申请实施例还提供了第一方面的第二十四种实施方式：
电路板和装饰层之间还设有第一胶黏层，电路板和弹性层之间还设有第二胶黏层。可简化该触控板的整体组装工艺。
本申请实施例第二方面提供了一种电子，包括第一方面、第一方面的第一种至的第二十四种实施方式中的任一种的触控板。
该电子设备的技术效果与上述第一方面所提供的电子设备的触控板的技术效果类似，为节约篇幅，在此不再赘述。
附图说明
图1是本申请一实施例所提供的触控板的***图；
图2是图1中的弹性层的结构示意图；
图3是图2的局部放大图；
图4是图2的***图；
图5是图4中柔性层的俯视图；
图6是图2中局部位置弹性臂的布置图；
图7-图8是本申请一实施例第一条路径的运动原理示意图；
图9-图10是本申请一实施例第二条路径的运动原理示意图；
图11是本申请二实施例所提供的触控板的***图；
图12是图11中的弹性层的结构示意图；
图13是图12的局部放大图；
图14是图13中动作件的另一种结构示意图；
图15是图12的***图；
图16是图2中局部位置弹性臂的布置图；
图17-图18是本申请二实施例第一条路径的运动原理示意图；
图19-图20是本申请二实施例第二条路径的运动原理示意图；
图21是图13中第一支撑件处的局部剖视图；
图22是图13中第二支撑件处的局部剖视图；
图23是本申请三实施例所提供的触控板的弹性层的结构示意图；
图24-图30为第二支撑件在展平状态下的结构示意图。
附图1-图30中，附图标记说明如下：
100-弹性层，110-柔性层，111-柔性连接部，112-柔性框架，120-加强层，121-连接部加强结构，122-框架加强结构，130-动作孔，140-加强框；200-底板，210-支撑台；300-电路板；400-装饰层；500-触发件；600-第一胶黏层，700-第二胶黏层；
1-框架，11-第一边框，12-第二边框；
2-动作件，21-凸台；
3-连接部，31-第一连接件，32-第二连接件，33-第三连接件，331-让位结构，34-连接结构；
41-第一支撑件，42-第二支撑件，43-弹性折弯，44-加强螺母，45-连接螺母，46-螺钉，47-弹性件，48-限位端，49-***段，410-垫片。
具体实施方式
本申请实施例提供一种电子设备及电子设备的触控板，其中，电子设备为包括但不限于笔记本电脑键盘、平板电脑外置键盘、皮套键盘、个人数码助理以及游戏操作平台设备等具有触控板的移动或固定终端。
以笔记本电脑键盘为例的触控板可被视作鼠标的替代物，触控板包括电路板和触发件，通过按压触控板，使得触控板的触发件被触发，能够进行信号传输，使用较为方便。但现有的电子设备的触控板，多为半域触控，其中，半域触控是指触控板只能实现部分区域的触发和按压手感，当用户需要触发触控件时，只能在对应的区域内对其进行操作，体验较差。本实施例提供的电子设备的触控板，能够实现全域触控，使得用户在触控板上任一区域实施按压时都能够实现触发件的触发，进而能够大大提升用户体验。
图1-图10是本申请一实施例所提供的触控板的相关附图，图11-图20是本申请二实施例所提供的触控板的相关附图，图23是本申请三实施例所提供的触控板的弹性层的结构示意图。
如图1和图11所示，电子设备的触控板包括依次层叠设置的底板200、弹性层100、电路板300和装饰层400，其中，装饰层400位于该触控板的最外层，装饰层400可以是玻璃层或麦拉层等，装饰层400的外侧还可设置有涂层，并形成用户手动触摸的部分；底板200能够对弹性层100提供支撑，弹性层100在受到按压作用后，能够产生弹性变形，并在按压作用撤出后能够恢复原状并调动该触控板恢复原状；触发件500设于电路板300朝向弹性层100的一侧，并与电路板300连接，触发件500在被触发后能够进行信号传输。具体的，触发件500包括但不限于Metal Dome(金属簧片，俗称"锅仔片")，而具体触发件500是如何与电路板300连接并在触发后实现信号传输的，对于本领域技术人员来说，已是熟知的现有技术，为节约篇幅，在此不再赘述。
如图1和图11所示，电路板300和装饰层400之间设置有第一胶黏层600，电路板300通过第一胶黏层600与装饰层400粘接固定，电路板300和弹性层100之间设置有第二胶黏层700，电路板300和弹性层100之间通过该第二胶黏层700粘接固定，通过粘接实现各层之间的固定连接能够简化安装工艺。
具体的，对于胶黏层的具体形状并不做限制，可根据实际情况设置即可，如第一胶黏层600能够覆盖整个电路板300的表面，具体可根据实际需要，第一胶黏层600设置有与电路板300表面个别电路元件对应的避让孔，第二胶黏层700沿电路板300的周向设置的框型结构。胶黏层可以是通过涂覆液态胶固化后形成的，也可以是直接通过贴附双面背胶形成的均可，在此不做具体限制。
如图2和图12所示，弹性层100包括框架1以及连接于框架1内的动作件2、连接部3(如图中所示的第一连接件31、第二连接件32和第三连接件33)和支撑部(包括第一支 撑件41和第二支撑件42)，其中，支撑部与连接部3连接，并且该支撑部通过设置弹性折弯43形成向底板200的一侧凸出的支撑点，支撑点能够支撑于底板200。在受到按压作用后，弹性层100能够在按压作用下向底板200的一侧移动，由于底板200对支撑点的支撑作用，使得弹性折弯43发生弹性变形并产生回弹力，该回弹力能够阻碍弹性层100继续向底板200的一侧移动，随着按压作用的继续，弹性层100沿按压方向(即由弹性层100向底板200的一侧的方向)的移动位移小于触发件500的移动位移，动作件2能够反向挤压触发件500，使得触发件500被触发而产生信号传输。
框架1包括沿周向布置的边框，动作件2沿其周向与框架1的边框之间连接有连接部3，连接部3与框架1之间、连接部3与动作件2之间以及连接部3与支撑部之间分别连接有弹性臂，该弹性臂容易发生弹性变形，当受到按压作用后，弹性臂能够发生弹性变形并产生回弹力。
通过容易发生弹性变形的弹性臂，将框架1、连接部3和动作件2连接成一体，以实现弹性层100整体的联动效果。使得触控板的任意位置被按压后都能够通过弹性层100的各部件之间的联动作用将按压作用力传递至动作件2所在位置，弹性层100的支撑部和弹性臂均发生弹性变形并蓄能以产生回弹力，并使得动作件2能够作用于触发件500，以使触发件500被触发，进而实现全域触控。如此一来，能够有效避免发生触控板的某一位置被按压后，弹性层100仅有与该按压位置对应的一侧向底板200的倾斜，动作件2挤压触发件500的行程不够而导致触发件500未能被触发的情况。
也就是说，当触控板的任意位置被按压后，按压作用力传递至弹性层100，支撑部和弹性臂处均发生弹性变形，并通过框架1、连接部3的联动作用传递至动作件2，使得动作件2能够反向作用于触发件500使其被触发，从而实现该触控板的全域触控。而按压过程中，弹性臂和支撑部所产生的回弹力，能够在外部按压作用撤除后，带动弹性层100的各部件实现快速复位。
由于本实施例是通过机械结构实现触控板的全域触控，相较于通过设置电子元件实现触控板的全域触控的方案来说，能够有效提升用户体验，提升用户在按压触控板时的按压手感，并可保证性能稳定、降低故障发生概率。
本实施例中，如图3和图13所示，弹性臂的厚度要小于连接部3的厚度，在材质相同的情况下，当受到按压作用力时，厚度较小的弹性臂相对于厚度较大的连接部更容易发生弹性变形，从而在连接部和框架以及支撑部和动作件之间实现联动效果。
如图4和图15所示，弹性层100包括柔性层110和加强层120两层结构，其中，弹性臂形成于柔性层110，柔性层110还包括柔性连接部111，加强层120包括连接部加强结构121，连接部加强结构121能够与柔性连接部111贴合固定，以形成上述厚度较厚的连接部3。柔性连接部111的厚度与弹性臂的厚度相同，连接部3的厚度为柔性连接部111的厚度与连接部加强结构121的厚度之和，以使得连接部3的厚度大于弹性臂的厚度。当然，本实施例中，还可以是通过一整块板型结构制备，具体通过机加工将弹性臂所在位置减薄即可，而通过柔性层110和加强层120两层结构设计形成弹性层100时，能够简化加工工艺。
本实施例中，对于框架1的设置并不做限制，如可以是仅有柔性层110设置有上述框架1，也可以是仅有加强层120设置有上述框架1(如图15所示)，此时，柔性层110的柔 性连接部111可通过焊接等方式与设于加强层120的框架1固定，或者，还可以是如图4所示的，柔性层110设置有柔性框架111，该柔性框架111的厚度与柔性连接部111以及弹性臂的厚度相同，同时，加强层120对应设有框架加强结构122，框架加强结构122与柔性框架111贴合固定，以形成框架1整体即可。本实施例中，框架1的设置较为灵活，具体可根据实际需求设置即可。
具体的，连接部加强结构121和柔性连接部111可以是完全一样的形状，二者能够完全重叠并贴合固定，以保证该弹性层100的整体联动性能。或者，还可以是连接部加强结构121与柔性连接部111的形状不是完全一样的，二者仅部分重叠并贴合固定，以保证该弹性层100的整体柔性，利于发生弹性变形。连接部3的整体厚度要大于弹性臂的厚度。同样的，框架加强结构122和柔性框架112的形状可以完全一样并完全重叠，也可以是二者形状不完全一样，仅部分重叠均可。
本实施例中，弹性层100沿动作件2的周向还设有加强框140，具体的，如图4和图15所示，柔性层110设有动作件2，加强层120设置有加强框140，加强框140沿动作件2的周向布置并与柔性层110贴合固定即可。该加强框140的设置能够增加此处的结构强度，便于通过该连接部3和弹性臂将按压作用力传递至动作件2。
另外，本实施例中，对于加强层120的加工工艺不做限制，各加强结构彼此之间相互独立，并在加强结构与柔性层110贴合固定后，能够在相邻两个加强结构之间的缝隙处形成上述弹性臂，具体的，在制备弹性层100时，可将各加强结构逐一与柔性层110对应的位置贴合固定，也可以是在制备加强层120时，将各加强结构之间留有连接结构，在将加强层120整体与柔性层110贴合固定后，再将各加强结构之间的连接结构通过机加工等方式去掉即可，如此可提高弹性层100的整体制作效率。
当然，本实施例中，还可以在连接部3和框架1之间、连接部3和动作件2之间以及连接部3和支撑部之间设置如弹片等弹性部件，该弹性部件容易发生弹性变形并形成弹性臂。而将弹性臂的厚度设置较小以实现容易发生弹性变形并产生回弹力时，能够简化弹性层100的整体结构，并简化加工工艺。
如图2和图12所示，连接部3关于框架1的中心对称布置，如此设置，能够使得该触控板全域联动情况更均匀，当按压触控板的任意区域时均可通过连接部3和框架1之间的联动作用，使得动作件2作用于触发件500以使其触发。
如图2和图12所示，框架1包括两条平行设置的第一边框11以及两条平行设置的第二边框12，第一边框11和第二边框12围合形成方形框架1，其中，第一边框11的长度大于第二边框12的长度，或者还可以是第一边框11的长度小于第二边框12的长度，即该框架1为长方形结构；也可以是第一边框11和第二边框12的长度相同并围合形成正方形的框架1均可。当然，本实施例中，对于框架1的具体结构并不作限制，也就是说，对于触控板的形状不做限制，如还可将其设置为圆形、椭圆形或多边形等均可，而将其设置为方形结构，更适用于目前市面上已有的触控板，通用性好。
本实施例中，连接部3并没有完全填满整个框架1内，而是通过设置有镂空结构，以将框架1内的连接部3分成多块区域，具体包括第一连接件31、第二连接件32和第三连接件33，其中，第一连接件31与第一边框11连接，第二连接件32与第二边框12连接， 第三连接件33设置在框架1的各拐角处。如此设置，使得连接部3能够在布置于整个框架1内的同时，提高连接部3和框架1之间的整体联动效果。
方形框架1设置有四个拐角处，第三连接件33的数量为四组，四组第三连接件33相互独立并分别设置于四个拐角处。本实施例中，对于第三连接件33的具体连接方式不做限制，第三连接件33有两个连接端，其中，一个连接端可以是与第一连接件31连接，或者通过弹性臂与动作件2连接，该弹性臂可以与设于第一连接件31和动作件2之间的弹性臂为同一个弹性臂，以简化整体结构；第三连接件33的另一个连接端可以与第二连接件32、第一边框11或第二边框12中的任意至少一者连接均可。如此设置，能够加强框140架在各拐角处的联动作用，保证拐角处的触控效果，进一步保证框架1内的各处位置整体联动效果。
具体的，第三连接件33在与第一连接件31或第二连接件32连接时可以设置弹性臂也可以不设置弹性臂，第三连接件33在与动作件2、第一边框11和第二边框12连接时需要设置弹性臂。如图2所示，第三连接件33连接于第一连接件31和第二边框12之间；如图12所示，第三连接件33分别与第一连接件31、第二连接件32和第一边框11连接。
当第三连接件33与第一连接件31或第二连接件32连接时，能够提高该连接部3的整体传力效果，进而提升整体联动性能，当第三连接件33与边框连接而未与第二连接件32连接时，能够提高该连接部3的整体柔性，具体可根据实际需求设计即可。
本实施例中，对于各连接件的形状均不作限制，如可设置折弯、镂空等结构，每个连接件与边框之间都设置有弹性臂，对于弹性臂的长短、数量均不作限制。如图2和图12所示，第一连接件31包括两部分，这两部分分别连接于第一边框11和动作件2之间，同时，这两部分之间也连接有弹性臂，或者如图23所示，第一连接件31为一个整体并连接于第一边框11和动作件2之间均可。如图2和图12所示，第二连接件32的一端与动作件2连接，第二连接件32远离动作件2的一端形成分叉结构以使得该第二连接件32形成类似V型结构，V型结构的开口侧的两个侧端分别与第二边框12连接，如图2和图12所示，V型结构的开口侧的两个侧端彼此分离，以提升整体柔性，或者，还可以是如图23所示的，V型结构的开口侧的两个侧端之间还设置有连接结构34，以提升整体联动效果。
本实施例中，支撑部包括第一支撑件41和第二支撑件42，其中，第一支撑件41与第二连接件32连接，第二支撑件42与第三连接件33连接，各第一支撑件41沿动作件2的周向布置，各第二支撑件42沿动作件2的周向布置，两组支撑件的设置，能够增加支撑点的数量并在受到按压作用后产生更大的回弹力，每个支撑件都设有弹性折弯43并支撑于底板200，进而能够提高弹性层100的快速回弹能力。
第二支撑件42大致呈V字型结构，此处需要说明的，第二支撑件42的形状并不一定是严格意义上V字型结构，也可以U字型结构等均可，该第二支撑件42的开口侧的两个侧端向电路板300的一侧翘起，中部折弯处形成支撑点并支撑于底板200。该第二支撑件42在支撑点两侧的部分可以设置为关于支撑点对称的结构。
将第二支撑件42设置为两端翘起并分别与连接件连接、中间抵接底板200支撑的结构时，一端的连接件受力向底板200的一侧移动时，能够通过该第二支撑件42带动另一端的连接件向远离底板200的一侧移动，保证该弹性层100的整体联动性能。
具体的，第二支撑件42可以是如图6所示的设置在第一连接件31和第三连接件33之间，此时，第二连接件42的两个翘起的侧端中，一个侧端与第三连接件33连接，另一个侧端与第一连接件31连接，或者，如图23所示，第三连接件33为两段式结构，第二支撑件42连接于两段式结构之间，此时，第二连接件42的两个翘起的侧端分别与第三连接件33的两段之间。
本实施例中，第一支撑件41的支撑点和第二支撑件42的支撑点中，一者是固定点，另一者可以是固定点也可以是抵接点。其中，固定点是指能够与底板200固定连接的结构，抵接点是指并未与底板200固定，而仅是与底板200抵接的结构。也就是说，两组支撑件的支撑点中，至少一组支撑点是固定点并与底板200固定，如此一来，无需通过其它方式将弹性层100与底板200固定，可简化整体结构和安装工艺。
具体的，可以是如图7-图10所示的第一支撑件41的支撑点是固定点，第二支撑件42的支撑点为抵接点，也可以是如图17-图20所示的第一支撑件41的支撑点和第二支撑件42的支撑点均为固定点，或者还可以是第一支撑件41的支撑点为抵接点，第二支撑件42的支撑点为固定点均可。
详细的讲，当支撑点是固定点时，支撑部在固定点处开设有固定孔，并通过螺钉46和螺母配合与底板200固定，其中，螺母位于弹性层100远离底板200的一侧，螺钉46能够依次穿过底板200和固定孔并与螺母配合，以将弹性层100和底板200固定。
并且，当支撑点是固定点时，有两种设置情况，一种设置情况是如图7-图10以及图17和图18所示的，螺母是加强螺母44，安装前，加强螺母44先通过焊接等方式固定于固定点，具***于弹性层100远离底板200的一侧，该加强螺母44与固定孔连通，并能够增加固定点处的结构强度，安装时，螺钉46依次穿过底板200和固定孔并与加强螺母44配合固定，便于安装操作；另一种设置情况是如图19和图20所示的，螺母是连接螺母45，该连接螺母45并未先与固定点固定，安装时螺钉46依次穿过底板200和固定孔后，与连接螺母45配合固定。并且，当螺母是连接螺母45时，固定点处还设有弹性件47，当固定点通过螺钉46和连接螺母45与底板200处于固定状态时，该弹性件47能够夹设于弹性层100和底板200之间，使得固定点直接与弹性件47作用，如此一来，能够进一步增加固定点与底板200之间的弹性支撑作用，提升该固定点处的回弹能力。
具体的，图21是图13中，第一支撑件41处的局部剖视图，示出了螺母是加强螺母44时，固定点通过加强螺母44和螺钉46配合固定，以实现与底板200固定的示意图；图22是图13中，第二支撑件42处的局部剖视图，示出了螺母为连接螺母45时，固定点通过连接螺母45和螺钉46配合固定，以实现与底板200固定的示意图。当然，本实施例中，设于第一支撑点41处的螺母可以是加强螺母44也可以是连接螺母45，同时，设于第二支撑点42处的螺母可以是连接螺母45也可以是加强螺母44均可。
本实施例中，对于弹性件47的具体结构并不做限制，如可将弹性件47设置为夹设于弹性层100和底板200之间的弹性垫片，或者，还可以是固定孔的边缘沿周向设有弹性翻边，通过弹性翻边形成上述弹性件47均可。该弹性件47的形状和结构设置较为灵活，具体可根据实际情况设置即可。并且，当弹性件47为弹性翻边时，该弹性翻边是可以是沿固定孔的周向间隔布置的多个翻边结构，还可以将弹性翻边设置为沿固定孔的周向连续设置 的整体的翻边结构均可。
如图21和图22所示，本实施例中，螺母(包括加强螺母44和连接螺母45)呈T型结构，螺母包括限位端48和***段49，其中，***段49能够穿过固定孔，限位端48位于弹性层100远离底板200的一侧，无法穿过固定孔，限位端48和***段49沿轴向贯穿设置有螺纹孔，螺钉46能够与螺纹孔配合，以在支撑点处将弹性层100和底板200固定。当然，本实施例中，也可以仅将螺母设置为包括限位端48的结构，而将螺母设置为包括限位端48和***段49的结构时，能够增加螺纹孔的轴向长度，增加螺母和螺钉46之间的配合面积，保证二者螺纹配合稳定。
进一步的，如图21所示，还可以在弹性层100和底板200之间设置垫片410，***段49穿过垫片410，通过垫片410的设置可进一步增加***段49的长度，从而增加螺纹孔的轴向长度，以保证螺钉46和螺母之间的配合稳定性。
当支撑点是抵接点时，如图9和图10所示，支撑点可以是直接抵接于底板200的表面，并通过底板200的表面提供支撑作用，以产生回弹力，或者，还可以是在底板200的表面设置有向弹性层100的一侧凸出设置的支撑台210，支撑点抵接于支撑台210的表面均可，在此不做具体限制。
支撑部的弹性折弯43还设有镂空结构，如此设置，能够减小弹性折弯43的刚度，提高其变形能力和回弹能力。并且，弹性折弯43设有镂空结构还能够便于该弹性折弯43在受力产生弹性变形时，能够向与厚度方向垂直的方向延伸，进而能够防止由于弹性折弯43刚性过强而出现损坏或产生塑性变形的情况。
具体的，对于各支撑件的具体形状和结构并不做限制，图24-图30为第二支撑件42在展平状态下的结构示意图，其中，图24和图25中，第二支撑件42设置有类似O型的镂空孔，图26和图27中，第二支撑件42设置有类似菱形的镂空孔，图28中，第二支撑件42设置有不规则的镂空孔，图29中，第二支撑件42通过设置有镂空槽形成类似连续的V型结构，图30中，第二支撑件42通过设置有镂空槽形成类似连续的U型结构。当然，本实施例中，对于设于支撑件的镂空结构还可以是上述各镂空孔和镂空槽之间的随意组合均可。
并且，对于第一支撑件41的数量以及第二支撑件42的数量均不作限制，第一支撑件41的数量和第二支撑件42的数量可以相同也可以不同。本实施例中，如图2和图12所示，动作件2设于框架1的中部位置(具体是框架1的中心位置也可以是靠近中心的位置均可)，第一支撑件41的数量为四个并绕动作件2的周向布置，第二支撑件42的数量也是四个，并分别与四个第三连接件33对应连接，第二支撑件42绕动作件2的周向布置。四个第一支撑件41和四个第二支撑件42共形成八个支撑点，可在足够的弹性支撑作用的同时，简化整体结构。
第一支撑件41和第二支撑件42的设置位置可能是相近的，如图3所示，第三连接件33经过第一支撑件41所在位置，二者之间在厚度方向上存在重叠，此时，可在第三连接件33设置让位结构331(如让位孔或让位槽)，以为第一支撑件41的设置提供让位空间，或者，还可以是如图12和图13所示的，第三连接件33与第一支撑件41彼此间隔设置，二者在厚度方向上不存在重叠，第三连接件33的设置与第一支撑件41互不干涉。
本实施例中，动作件2是能够与触发件500抵接，并作用于触发件500使其触发的，对于动作件2的具体结构并不做限制。如图4和图5所示，弹性层100的表面直接形成动作件2，及弹性层100的表面中心区域直接与触发件500抵接，并作用于触发件500，具体的，通过柔性层110朝向电路板300的一侧表面形成动作件2，减小该动作件2的刚度，降低动作件2在与触发件500作用时的噪音，并降低对触发件500的碰撞损坏的概率。或者，还可以是在弹性层100的表面中心区域设置有凸起，通过凸起抵接于触发件500并作用于触发件500使其触发。或者，还可以是如图13-图15所示的，在弹性层100的中心区域设置有动作孔130，并在动作孔130设置有柔性件，通过柔性件形成上述动作件2并抵接作用于触发件500，柔性件的硬度要小于弹性层100的硬度，使得柔性件在与触发件500作用时，能够降低噪音并降低对触发件500的碰撞损坏的概率，同时提升用户按压时的手感。
具体的，本实施例中，对于柔性件的具体形状和结构并不做限制，如该柔性件可以是设置在动作孔130处的麦拉片，或者，柔性件还可以是设置在动作孔130处的塑料件，塑料件可以通过模内注塑、热熔、粘接等方式固定于弹性层100即可。本实施例中，对于该塑料件的具体结构也不做限制，塑料件还可设置有延伸凸台21，延伸凸台21能够与触发件500作用，对于延伸凸台21的大小也不做限制，如延伸凸台21可以是如图13所示的，与动作孔130的边缘搭接，也可以是如图14所示的，延伸凸台21并未与动作孔130的边缘搭接均可，具体可根据实际需要如用户按压手感需求等设计即可。
以下结合图6-图10，对本申请一实施例的弹性层100的各部件之间的联动作用做详细举例说明，其中，a1、b1、c1、d1、e1和f1均为弹性臂，当用户对触控板进行按压，并且按压位置与图6中虚线所示区域对应时，弹性层100在按压作用力下能够发生弹性变形，在变形过程中，按压作用力能够通过第二连接件32传递至动作件2以形成第一条传递路径，并通过第三连接件33和第二连接件32传递至动作件2以形成第二条传递路径。
具体的，图7示出了弹性层100通过第一条传递路径传递按压作用力的各部件在按压前的状态，图8示出了弹性层100通过第一条传递路径传递按压作用力的各部件在按压后的状态。电路板300、弹性层100受到按压作用后均整体向底板200的一侧靠近，在此过程中，对于弹性层100来说，按压作用力能够由弹性臂a1通过第二连接件32传递至弹性臂b1至第一支撑件41，第一支撑件41的弹性折弯43(弹性臂b1)发生弹性变形并蓄能，以对第二连接件32提供一个向远离底板200移动的支撑力，此时，该第二连接件32形成一个类似以第一支撑件41的支撑点为支点的翘板的结构，第二连接件32朝向弹性臂a1的一端向底板200的一侧移动，那么第二连接件32朝向弹性臂c1的一端将会向远离底板200的一侧移动，并通过弹性臂c1带动动作件2向触发件500的一侧移动，以作用于触发件500使得触发件500被触发。
图9示出了弹性层100通过第二条传递路径传递按压作用力的各部件在按压前的状态，图10示出了弹性层100通过第二条传递路径传递按压作用力的各部件在按压后的状态。电路板300、弹性层100受到按压作用后均整体向底板200的一侧靠近，在此过程中，对于弹性层100来说，按压作用力能够由弹性臂d1通过第三连接件33传递至弹性臂e1至第二支撑件42，该第二支撑件42的V字型结构的开口侧的两个侧端，一个侧端与第三连接件33连接，另一个侧端与第一连接件31连接，因此，第三连接件33受按压力作用向底板200 的一侧移动时，能够通过第二支撑件42的变形支撑作用带动第一连接件31向远离底板200的一侧移动，进而通过弹性臂f1带动动作件2向触发件500的一侧移动，以作用于触发件500使得触发件500被触发。
经过上述分析，弹性层100如图6中虚线所示区域受到按压作用力时，能够通过边框、各连接件以及弹性臂之间的联动作用发生变形，并将按压作用力传递至动作件2，使得动作件2沿按压方向的移动位移小于触发件500的移动位移，并通过动作件2作用于触发件500使其触发，而当按压作用力撤出后，支撑部和各弹性臂的回弹力能够带动弹性层100及其余各层回位。
以下结合图16-图20，对本申请二实施例的弹性层100的各部件之间的联动作用做详细举例说明，其中，a2、b2、c2、d2、e2和f2均为弹性臂，当用户对触控板进行按压，并且按压位置与图16中虚线所示区域对应时，弹性层100在按压作用力下能够发生弹性变形，在变形过程中，按压作用力能够通过第二连接件32传递至动作件2以形成第一条传递路径，并通过第三连接件33和第二连接件32传递至动作件2以形成第二条传递路径。
具体的，图17示出了弹性层100通过第一条传递路径传递按压作用力的各部件在按压前的状态，图18示出了弹性层100通过第一条传递路径传递按压作用力的各部件在按压后的状态。电路板300、弹性层100受到按压作用后均整体向底板200的一侧靠近，在此过程中，对于弹性层100来说，按压作用力能够由弹性臂a2通过第二连接件32传递至弹性臂b2至第一支撑件41，第一支撑件41的弹性折弯43(弹性臂b2)发生弹性变形并蓄能，以对第二连接件32提供一个向远离底板200移动的支撑力，此时，该第二连接件32形成一个类似以第一支撑件41的支撑点为支点的翘板的结构，第二连接件32朝向弹性臂a2的一端向底板200的一侧移动，那么第二连接件32朝向弹性臂c2的一端将会向远离底板200的一侧移动，并通过弹性臂c2带动动作件2向触发件500的一侧移动，以作用于触发件500使得触发件500被触发。
图19示出了弹性层100通过第二条传递路径传递按压作用力的各部件在按压前的状态，图20示出了弹性层100通过第二条传递路径传递按压作用力的各部件在按压后的状态。电路板300、弹性层100受到按压作用后均整体向底板200的一侧靠近，在此过程中，对于弹性层100来说，按压作用力能够由弹性臂d2通过第三连接件33传递至弹性臂e2至第二支撑件42，该第二支撑件42的V字型结构的开口侧的两个侧端，一个侧端与第三连接件33连接，另一个侧端与第一连接件31连接，因此，第三连接件33受按压力作用向底板200的一侧移动时，能够通过第二支撑件42的变形支撑作用带动第一连接件31向远离底板200的一侧移动，进而通过弹性臂f2带动动作件2向触发件500的一侧移动，以作用于触发件500使得触发件500被触发。
经过上述分析，弹性层100如图16中虚线所示区域受到按压作用力时，能够通过边框、各连接件以及弹性臂之间的联动作用发生变形，并将按压作用力传递至动作件2，使得动作件2沿按压方向的移动位移小于触发件500的移动位移，并通过动作件2作用于触发件500使其触发，而当按压作用力撤出后，支撑部和各弹性臂的回弹力能够带动弹性层100及其余各层回位。
另外，本实施例中，至少部分弹性臂还设有镂空结构，如图16中，位于第一连接件 31和动作件2之间的弹性臂f2，通过设置有镂空孔能够减小此处弹性臂的结构强度，进而提高其弹性变形能力，利于在弹性层100由于按压发生变形的过程中蓄能，提高弹性层100的整体回弹能力。
本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以对本申请进行若干改进和修饰，这些改进和修饰也落入本申请权利要求的保护范围内。

Claims (26)

  1. 一种电子设备的触控板，其特征在于，包括依次层叠设置的底板、弹性层、电路板和装饰层，所述电路板朝向所述弹性层的一侧还设有触发件；
    所述弹性层包括框架以及连接于所述框架内的动作件、连接部和支撑部，所述支撑部通过弹性折弯形成向所述底板的一侧凸出的支撑点，所述支撑点能够支撑于所述底板；
    所述连接部沿所述动作件的周向布置，所述连接部与所述框架之间、所述连接部与所述动作件之间以及所述连接部与所述支撑部之间分别连接有弹性臂，所述支撑部以及各所述弹性臂均能够在受到按压作用后发生弹性变形并产生回弹力。
  2. 根据权利要求1所述的电子设备的触控板，其特征在于，所述弹性臂的厚度小于所述连接部的厚度。
  3. 根据权利要求2所述的电子设备的触控板，其特征在于，所述弹性层包括柔性层和加强层，所述柔性层设有所述弹性臂和柔性连接部，所述加强层设有连接部加强结构，所述连接部加强结构与所述柔性连接部对应贴合固定并形成所述连接部。
  4. 根据权利要求3所述的电子设备的触控板，其特征在于，所述柔性连接部和所述连接部加强结构的形状相同，并完全重叠固定；或者，所述柔性连接部和所述连接部加强结构部分重叠固定。
  5. 根据权利要求3所述的电子设备的触控板，其特征在于，所述柔性层设有所述框架，或者所述加强层设有所述框架，或者，所述柔性层设有柔性框架，所述加强层设有框架加强结构，所述框架加强结构与所述柔性框架贴合固定，并形成所述框架。
  6. 根据权利要求3所述的电子设备的触控板，其特征在于，所述动作件设于所述柔性层，所述加强层还包括加强框，所述加强框能够沿所述动作件的周向与所述柔性层贴合固定。
  7. 根据权利要求1-6任一项所述的电子设备的触控板，其特征在于，所述连接部关于所述框架的中心对称布置。
  8. 根据权利要求1-7任一项所述的电子设备的触控板，其特征在于，所述框架由两条平行设置的第一边框和两条平行设置的第二边框围合形成；
    所述连接部设有镂空结构，并包括第一连接件和第二连接件，所述第一连接件与所述第一边框连接，所述第二连接件与所述第二边框连接。
  9. 根据权利要求8所述的电子设备的触控板，其特征在于，所述连接部还包括设于所述框架的各拐角处的第三连接件。
  10. 根据权利要求9所述的电子设备的触控板，其特征在于，所述第三连接件包括第一连接端和第二连接端，所述第一连接端与所述第一连接件连接，或者，所述第一连接端通过所述弹性臂与所述动作件连接，所述第二连接端与所述第二连接件、所述第一边框及所述第二边框中的至少一者连接。
  11. 根据权利要求9所述的电子设备的触控板，其特征在于，所述支撑部包括与所述第二连接件连接的第一支撑件以及与各所述第三连接件对应连接的第二支撑件。
  12. 根据权利要求11所述的电子设备的触控板，其特征在于，所述第二支撑件呈V字型结构，且所述V字型结构的折弯处形成所述支撑点，所述V字型结构的开口侧，一个侧 端与所述第三连接件连接，另一个侧端与所述第三连接件或所述第一连接件连接。
  13. 根据权利要求11所述的电子设备的触控板，其特征在于，所述第一支撑件的数量为四个，四个所述第一支撑件沿所述动作件的周向布置；
    所述第二支撑件的数量为四个并分别与四个所述第三连接件一一对应。
  14. 根据权利要求11-13任一项所述的电子设备的触控板，其特征在于，所述第三连接件设有与所述第一支撑件对应的让位结构。
  15. 根据权利要求11-13任一项所述的电子设备的触控板，其特征在于，所述第三连接件与所述第一支撑件间隔设置。
  16. 根据权利要求11-15任一项所述的电子设备的触控板，其特征在于，所述第一支撑件的支撑点和所述第二支撑件的支撑点中，一者为固定点，另一者为固定点或抵接点，所述固定点设有固定孔，并通过螺钉和螺母与所述底板固定连接，所述抵接点与所述底板抵接。
  17. 根据权利要求16所述的电子设备的触控板，其特征在于，所述螺母固定于所述弹性层远离所述底板的一侧，并与所述固定孔连通。
  18. 根据权利要求16所述的电子设备的触控板，其特征在于，所述固定点还设有弹性件，所述固定点通过螺钉和螺母与所述底板固定状态下，所述弹性件能够夹设于所述弹性层和所述底板之间。
  19. 根据权利要求18所述的电子设备的触控板，其特征在于，所述弹性件为弹性垫片，或者，所述固定孔的边缘沿周向设有弹性翻边，所述弹性翻边形成所述弹性件。
  20. 根据权利要求16-19任一项所述的电子设备的触控板，其特征在于，所述螺母为T型结构，所述螺母包括限位端和***段，所述***段穿过所述固定孔，所述限位端和所述***段沿轴向贯穿设有螺纹孔，所述螺纹孔与所述螺钉相适配。
  21. 根据权利要求1-20任一项所述的电子设备的触控板，其特征在于，所述弹性折弯还设有镂空结构。
  22. 根据权利要求1-21任一项所述的电子设备的触控板，其特征在于，至少部分所述弹性臂还设有镂空结构。
  23. 根据权利要求1-22任一项所述的电子设备的触控板，其特征在于，所述弹性层的表面形成所述动作件，或者，所述弹性层朝向所述点乱的一侧设置有凸起，所述凸起形成所述动作件，或者，所述弹性层设有与所述触发件相对应的动作孔，所述动作孔设置有柔性件并形成所述动作件，所述柔性件的硬度小于所述弹性层的硬度。
  24. 根据权利要求23所述的电子设备的触控板，其特征在于，所述柔性件还设有搭接于所述动作孔边缘的凸台。
  25. 根据权利要求1-24任一项所述的电子设备的触控板，其特征在于，所述电路板和所述装饰层之间还设有第一胶黏层，所述电路板和所述弹性层之间还设有第二胶黏层。
  26. 一种电子设备，其特征在于，包括如权利要求1-25任一项所述的触控板。
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