CN213934841U

CN213934841U - Touch key structure and interactive flat plate

Info

Publication number: CN213934841U
Application number: CN202022935537.0U
Authority: CN
Inventors: 谭景焕
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-10
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a touch key structure and an interactive flat plate, wherein the touch key structure comprises a touch key board, an electric driver fixed on the back of the touch key board, a first limit pad provided with a first clamping groove, a second limit pad provided with a second clamping groove and a damping buffer piece; one end of the touch key board is clamped into the first clamping groove, and the other end of the touch key board is clamped into the second clamping groove; the electric driver and the damping buffer piece are clamped into the second clamping groove, and the damping buffer piece is clamped between the groove walls of the electric driver and the second clamping groove; the interactive flat plate comprises the touch key structure. The touch key structure is simple in structure, the damping buffer piece is clamped in the limiting pad clamping groove provided with the electric driver, the energy loss of the electric driver can be reduced, the size is small, and the touch key structure is suitable for narrow black-edge interactive equipment; the interactive flat plate adopts a touch key structure with simple structure and small volume, and can realize the touch key function of the interactive flat plate with narrow black edges.

Description

Touch key structure and interactive flat plate

Technical Field

The utility model relates to a display device technical field especially relates to a touch button structure and mutual flat board.

Background

In the intelligent interaction device with the touch interaction function, in order to improve the interaction experience, vibration feedback needs to be provided when a user touches a key, so that the user can perceive the touch interaction function. In a touch key structure with a touch feedback function, vibration feedback is generally provided by a driver such as a motor.

However, the existing touch key structure is generally large and complex in structure, and is not suitable for being installed in an interactive flat plate with narrow and black edges; and when the touch key structure is installed in the interactive device for application, the loss of the motor energy is easily caused due to the unreasonable installation structure, and the feedback effect cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: a touch key structure is provided, which has a simple structure, can reduce the energy loss of a motor, and is suitable for interactive equipment with narrow black edges.

The embodiment of the utility model provides a another aim at: an interactive tablet is provided which can implement the touch key function of an interactive tablet with narrow black borders.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a touch key structure comprises a touch key board, an electric driver fixed on the back of the touch key board, a first limiting pad provided with a first clamping groove, a second limiting pad provided with a second clamping groove and a damping buffer piece;

one end of the touch key board is clamped into the first clamping groove, and the other end of the touch key board is clamped into the second clamping groove; the electric driver and the damping buffer piece are clamped into the second clamping groove, and the damping buffer piece is clamped between the electric driver and the groove wall of the second clamping groove.

Preferably, the first limit pad and the second limit pad are both shock-absorbing cushions.

Preferably, the first limiting pad and the second limiting pad are silica gel pads, and the damping buffer piece is damping foam.

Preferably, the second card slot comprises a board slot and an accessory slot which are mutually communicated, the touch key board is clamped in the board slot, and a combined structure formed by combining the electric driver and the damping buffer piece is clamped in the accessory slot;

the shape of the board groove is matched with that of the touch key board, and the shape of the accessory groove is matched with that of the combined structure.

Preferably, the first adhesive member is foam cotton.

Preferably, the front surfaces of the first limiting pad and the second limiting pad are provided with adhesive layers, and the adhesive layers are used for fixing the first limiting pad and the second limiting pad to an external structure.

An interactive tablet comprising a touch key structure as described above.

Preferably, a touch panel is included; the touch panel comprises a touch pad and a cover plate covering the touch pad; the touch control board is provided with a position avoiding notch, and the touch key structure is arranged on the position avoiding notch and fixed on the cover plate.

Preferably, the touch screen comprises a touch panel and a middle frame; the touch key structure is fixed on the touch panel; the middle frame is arranged on one side, far away from the touch panel, of the touch key structure, and the middle frame presses the first limiting pad and the second limiting pad on the touch panel.

The utility model has the advantages that: the touch key structure is simple in structure, the damping buffer piece is clamped in the limiting pad clamping groove provided with the electric driver, the energy loss of the electric driver can be reduced, the size is small, and the touch key structure is suitable for narrow black-edge interactive equipment; the interactive flat plate adopts a touch key structure with simple structure and small volume, and can realize the touch key function of the interactive flat plate with narrow black edges.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is an exploded schematic view of a touch key structure according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an angle of a touch key structure according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of another angle of the touch key structure according to the embodiment of the present invention;

fig. 4 is a cross-sectional view of a touch key structure according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the first and second position-limiting pads according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram (with a part of the structure removed) of the interactive flat plate according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a touch panel of an interactive flat panel according to an embodiment of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 7;

fig. 9 is a schematic structural diagram of a middle frame of the interactive tablet according to an embodiment of the present invention;

fig. 10 is a schematic view illustrating the cooperation between the middle frame and the touch key structure of the interactive tablet according to the embodiment of the present invention;

in the figure: 10. a touch key structure; 11. a touch key pad; 12. an electric drive; 131. a first limit pad; 132. a second limiting pad; 1321. a second card slot; 1301. a plate groove; 1302. a fitting groove; 14. a shock absorbing buffer; 15. a first adhesive member; 16. a bonding layer; 20. a touch panel; 21. a touch pad; 211. avoiding gaps; 22. a cover plate; 221. attaching a mark to the key; 30. a middle frame; 31. a limiting groove; 311. a tank bottom wall; 312. a trench sidewall; 40. a back plate.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" are to be understood broadly, e.g. as a fixed connection, a detachable connection or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a touch button structure 10, its simple structure, accessible shock attenuation bolster 14 reduces the loss of the energy of electric actuator 12, and the vibration transmission of avoiding electric actuator 12 during operation to produce is regional to non-touch feedback.

As shown in fig. 1-10, in an embodiment of the touch key structure 10 of the present invention, the touch key structure 10 includes a touch key board 11, an electric actuator 12 fixed on the back of the touch key board 11, a first limiting pad 131 provided with a first card slot, a second limiting pad 132 provided with a second card slot 1321, and a shock absorbing buffer 14;

one end of the touch key board 11 is clamped in the first clamping groove, and the other end of the touch key board 11 is clamped in the second clamping groove 1321, at this time, the touch key board 11 is fixed between the first limiting pad 131 and the second limiting pad 132; at least one part of the electric driver 12 is clamped in the second clamping slot 1321 so as to limit the electric driver 12 through the second limit pad 132; the shock absorbing buffers 14 are caught in the second catching grooves 1321, and the shock absorbing buffers 14 are interposed between the electric actuator 12 and the groove walls of the second catching grooves 1321.

In the present embodiment, the electric driver 12 is an electric motor. It should be noted that the electric motor is not limited to the electric driver 12, and in other embodiments, other vibration drivers may be used.

In the touch key structure 10, when the touch key panel 11 senses the touch information of the user, the electric driver 12 works to give vibration feedback, so that the user can sense the touch interaction function. The utility model discloses a touch button structure 10 is applicable to mutual equipment, and electric driver 12 during operation, shock attenuation bolster 14 plays the cushioning effect, reduces electric driver 12's energy loss, guarantees that the vibration can transmit to touch-control keypad 11 effectively to effectively transmit to mutual equipment's touch panel 20's touch-control region, guarantee the touch-control feedback effect. And, the utility model discloses a touch button structure 10, two spacing pads are located touch key board 11's the ascending both ends of length direction, and touch button structure 10 is less at the ascending size of width direction, when installing in mutual equipment, can realize mutual equipment's display panel's narrow black border design. In addition, the utility model discloses a touch button structure 10's simple structure is convenient for manufacture, dismouting maintenance.

Preferably, in order to further reduce the energy loss of the electric driver 12, the first position-limiting pad 131 and the second position-limiting pad 132 are both shock-absorbing cushions, that is, position-limiting pads made of shock-absorbing cushion material; the shock absorption limiting piece clamped in the second limiting pad 132 plays a primary shock absorption buffering role, and the first limiting pad 131 and the second limiting pad 132 play a secondary shock absorption buffering role; so set up, prevent through touch key board 11, spacing pad with the energy transmission of electric driver 12 to the framework of mutual equipment, the non-touch-control induction zone of this kind of support, prevent the invalid loss of electric driver 12's energy, guarantee touch-control feedback effect.

In this embodiment, the first and second position-limiting

pads

131 and 132 are silica gel pads, and the silica gel pads have a shock-absorbing and buffering function, and can ensure reliable fixation of the touch key board 11.

It should be noted that the silica gel pad does not serve as the limitation of the limiting pad of the present invention, and in other embodiments, a rubber pad, a plastic pad, etc. may be used as the limiting pad.

In the embodiment, the damping cushion 14 is a damping foam, which is a material foamed by plastic particles and has elasticity, so that the energy loss of the electric actuator 12 can be effectively prevented; and it is light in weight and reliable in performance.

It should be noted that the damping foam is not limited to the damping buffer 14 of the present invention, and in other embodiments, materials such as silica gel, modified nylon elastomer, and rubber may be used as the damping buffer 14.

Preferably, in order to ensure reliable connection between the components, a plate groove 1301 is arranged in the first clamping groove and the second clamping groove 1321, and the shape of the plate groove 1301 is matched with the shape of the touch key board 11, so that the touch key board 11 is reliably limited by the groove walls of the plate groove 1301.

Preferably, in order to ensure reliable connection between the components and ensure a buffering effect, a fitting groove 1302 communicated with a plate groove 1301 is arranged in the second clamping groove 1321, and a combined structure formed by combining the electric driver 12 and the shock absorption buffer 14 is clamped in the fitting groove 1302; the shape of the fitting groove 1302 is matched with that of the combined structure, so that the electric driver 12 and the shock-absorbing buffer 14 are reliably limited by the groove walls of the fitting groove 1302, the shock-absorbing buffer 14 is ensured to be in contact with the electric driver 12, and the energy loss of the electric driver 12 is reduced.

Preferably, in order to facilitate the installation of the touch key structure 10 on an interactive flat panel, a first adhesive member 15 is disposed on the front surface of the touch key board 11, and the first adhesive member 15 is used to fix the touch key board 11 to the touch panel 20, so that the touch key structure 10 can be fixed by an adhesive operation, which is simple and convenient.

Preferably, foam adhesive is used as the first adhesive member 15, the foam adhesive includes a foam base tape and adhesive layers attached to two side surfaces of the foam base tape, one surface of the foam adhesive is adhered to the touch key board 11, and the other surface is used for being adhered to the touch panel 20 of the interactive flat panel; the foam rubber plays a role in connection and fixation and also plays a role in buffering, and the touch key board 11 is prevented from being damaged by pressure.

Preferably, in order to enable the touch key structure 10 to be more simply and reliably mounted on an interactive flat plate, the front surfaces of the first limiting pad 131 and the second limiting pad 132 are provided with an adhesive layer 16, and the adhesive layer 16 is used for fixing the first limiting pad 131 and the second limiting pad 132 to an external structure; when the touch key structure 10 is installed, the first position-limiting pad 131 and the second position-limiting pad 132 are fixed to the touch panel 20 of the interactive flat panel by the adhesive layer 16, so that the relative position between the first position-limiting pad 131 and the second position-limiting pad 132 can be fixed, and the position of the touch key panel 11 can be reliably fixed.

The utility model discloses it is mutual dull and stereotyped still to provide, and can realize the mutual dull and stereotyped touch button function of narrow black border.

As shown in fig. 1-10, in an embodiment of the interactive flat plate of the present invention, the interactive flat plate adopts the touch key structure 10, the touch key structure 10 adopted by the interactive flat plate structure, two spacing pads are disposed at two ends of the touch key plate 11 in the length direction, the size of the touch key structure 10 in the width direction is smaller, and the narrow black edge design of the display panel of the interactive device can be realized.

The interactive flat panel is an intelligent display terminal applied to the fields of education industry, meetings, media, industry display, medical treatment, police affairs and the like. The interactive tablet can be, but is not limited to, a touch query kiosk, an information display tablet, a conference tablet, and a teaching tablet.

The interactive flat panel further comprises a Touch panel 20(TP, Touch panel), a backlight module and a frame assembly; the backlight module comprises a back plate 40, a middle frame 30, an optical structure, and the like, and the frame assembly comprises an upper frame, a lower frame, a left frame, a right frame, a glass bracket, and the like.

Specifically, the touch key structure 10 is fixed to the touch panel 20.

Preferably, in order to realize the touch key function of the narrow black edge of the interactive tablet, the following steps are carried out:

the touch panel 20 includes a touch pad 21 and a cover plate 22 covering the front surface of the touch pad 21, wherein the cover plate 22 is used for protecting the internal interactive flat panel internal structure; the touch pad 21 is provided with a position-avoiding gap 211, an area of the cover plate 22 corresponding to the position-avoiding gap 211 is an installation area, the cover plate 22 is silk-screened with a key attachment mark 221 in the installation area, and the touch key structure 10 is arranged at the position-avoiding gap 211 and fixed on the cover plate 22 according to the key attachment mark 221 on the cover plate 22. The avoiding gap 211 is located at an edge of the touch pad 21.

The avoidance gap 211 is arranged on the touch pad 21, so that an area is provided for the touch key pad 11 in the front control area of the touch panel 20, and the touch key function of an interactive flat panel can be realized; when the user touches a position on the cover 22 corresponding to the touch key sheet 11, the touch key sheet 11 senses a key operation.

Through the position silk screen printing key attaching mark 221 at the cover plate 22 and the avoidance gap 211, the installation and the positioning of the touch key structure can be rapidly and accurately realized.

In this embodiment, the touch key board 11 is fixed to the cover plate 22 by foam adhesive, and the first limiting pad 131 and the second limiting pad 132 are fixed to the cover plate 22 by the adhesive layer 16, so that the touch key structure 10 is fast and reliable to install.

Preferably, in order to avoid the two ends of the touch key sheet 11 from warping and ensure reliable fixing of the touch key structure 10, the middle frame 30 presses the first limiting pad 131 and the second limiting pad 132 against the touch panel 20, so as to prevent the two ends of the touch key sheet 11 from warping.

Specifically, the middle frame 30 is a structure in the backlight module, and one side of the middle frame 30 away from the touch key structure 10 abuts against the back plate 40.

Preferably, the middle frame 30 is provided with a limiting groove 31, and the groove bottom wall 311 of the limiting groove 31 presses the first limiting pad 131 and the second limiting pad 132 to the touch panel 20; in the length direction of the touch key sheet 11, the two opposite groove side walls 312 of the limiting groove 31 limit the first limiting pad 131 and the second limiting pad 132, so as to prevent the first limiting pad 131 from moving in the direction away from the second limiting pad 132, and prevent the second limiting pad 132 from moving in the direction away from the first limiting pad 131. A secure fastening of the touch key structure 10 is achieved by the middle frame 30.

In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in a descriptive sense and with reference to the illustrated orientation or positional relationship, and are used for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A touch key structure is characterized by comprising a touch key board (11), an electric driver (12) fixed on the back of the touch key board (11), a first limit pad (131) provided with a first clamping groove, a second limit pad (132) provided with a second clamping groove (1321) and a shock absorption buffer piece (14);

one end of the touch key board (11) is clamped into the first clamping groove, and the other end of the touch key board is clamped into the second clamping groove (1321); the electric driver (12) and the damping buffer piece (14) are clamped into the second clamping groove (1321), and the damping buffer piece (14) is clamped between the groove walls of the electric driver (12) and the second clamping groove (1321).

2. The touch key structure of claim 1, wherein the first and second position limiting pads (131, 132) are shock absorbing cushions.

3. The touch key structure of claim 2, wherein the first and second position-limiting pads (131, 132) are silicone pads and the shock-absorbing cushion (14) is a shock-absorbing foam.

4. The touch key structure of claim 1, wherein the second card slot (1321) comprises a board slot (1301) and a fitting slot (1302) which are communicated with each other, the touch key board (11) is clamped in the board slot (1301), and a combined structure formed by combining the electric driver (12) and the shock absorption buffer (14) is clamped in the fitting slot (1302);

the shape of the board groove (1301) is matched with that of the touch key board (11), and the shape of the accessory groove (1302) is matched with that of the combined structure.

5. The touch key structure according to any one of claims 1-4, further comprising a first adhesive member (15) disposed on the front surface of the touch key sheet (11), wherein the first adhesive member (15) is used for fixing the touch key sheet (11) to an external structure.

6. Touch key structure according to claim 5, characterised in that said first adhesive means (15) is foam glue.

7. The touch key structure according to any one of claims 1-4, wherein the front surfaces of the first position limiting pad (131) and the second position limiting pad (132) are provided with an adhesive layer (16), and the adhesive layer (16) is used for fixing the first position limiting pad (131) and the second position limiting pad (132) to an external structure.

8. An interactive tablet comprising a touch key structure as claimed in any one of claims 1 to 7.

9. The interactive tablet of claim 8, comprising a touch panel (20); the touch panel (20) comprises a touch pad (21) and a cover plate (22) covering the touch pad (21); the touch control panel (21) is provided with a position avoiding notch (211), and the touch key structure is arranged in the position avoiding notch (211) and fixed on the cover plate (22).

10. The interactive tablet of claim 8, comprising a touch panel (20) and a middle frame (30); the touch key structure is fixed on the touch panel (20); the middle frame (30) is arranged on one side, far away from the touch panel (20), of the touch key structure, and the middle frame (30) presses the first limiting pad (131) and the second limiting pad (132) onto the touch panel (20).