CN115877922A

CN115877922A - Pressing support, touch control panel device and electronic input device

Info

Publication number: CN115877922A
Application number: CN202211558161.3A
Authority: CN
Inventors: 李晓光
Original assignee: Shenzhen Lanhaixing Technology Co ltd
Current assignee: Shenzhen Lanhaixing Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-31

Abstract

The invention discloses a pressing support, a touch pad device and an electronic input device, wherein the pressing support comprises a pressing plate, a triggering block and an elastic sheet; the middle position of the pressing plate is provided with an interval, the elastic piece comprises an elastic part and two fixing plate parts which are integrally connected, the elastic part is arranged in the interval and comprises a bottom plate part and two vertical plate parts, the fixing plate parts are connected to the vertical plate parts and welded on the pressing plate, and the trigger block is arranged on the bottom plate part and is positioned at the central position of the pressing plate; the position that the pressing plate with trigger block corresponds is provided with trompil portion, trigger block accept in trompil portion. This application has promoted the sensitivity that the touch pad was pressed.

Description

Pressing support, touch control panel device and electronic input device

Technical Field

The invention relates to the technical field of touch pad pressing, in particular to a pressing support, a touch pad device and an electronic input device.

Background

The input interface of the existing notebook computer is generally provided with a touch pad, and the touch pad is provided with a touch module which is used for replacing a left key, a right key and a middle key of a mouse besides a touch area capable of generating a cursor moving effect. Because the touch pad is square, and the touch module on the circuit board is arranged at the middle position of the touch pad, the sensitivity of triggering the touch module is different when the touch pad is pressed at different positions, and even the touch module can not be triggered, a device which can trigger the touch module sensitively when the touch pad is pressed at different positions is needed, and the touch pad can be effectively pressed even when the touch pad is at the farthest position from the touch module (four corner positions of the touch pad are the farthest positions from the touch module on the touch pad).

CN214474918U, the patent name of which is an all-directional touch pad pressing device, includes a link unit, but the link unit is integrally structured, and the edge portion of the link unit is pressed to move the pressing plate 44 at the middle portion thereof upward to trigger the trigger switch 33, and the trigger switch is triggered by the elasticity of the link unit, but the link unit of the integral structure has a small deformation amount, and therefore, the sensitivity is not high.

Disclosure of Invention

The invention provides a pressing bracket, which aims to solve the problems.

According to a first aspect of embodiments of the present application, there is provided a pressing bracket, including a pressing plate, a trigger block, and an elastic sheet; the middle position of the pressing plate is provided with an interval, the elastic piece comprises an elastic part and two fixing plate parts which are integrally connected, the elastic part is arranged in the interval and comprises a bottom plate part and two vertical plate parts, the fixing plate parts are connected to the vertical plate parts and welded on the pressing plate, and the trigger block is arranged on the bottom plate part and is positioned at the central position of the pressing plate; the pressing plate is provided with a hole opening part at a position corresponding to the trigger block, and the trigger block is accommodated in the hole opening part.

In the pressing bracket of the present invention, the pressing plate includes a frame portion, two connecting plate portions, and two fixing strip portions; the frame part comprises two long plate parts and two short plate parts which are oppositely arranged, the fixing strip parts and the long plate parts are arranged in parallel at intervals, and the two fixing strip parts are respectively arranged close to the middle position of one long plate part; two the connection plate portion about frame length direction's center pin symmetry sets up, the connection plate portion set up in frame portion with between the fixed strip portion, the fixed strip with two connect through first elasticity rib board portion between the connection plate portion, the connection plate portion with connect through two second elasticity rib board portions between the short plate portion, two second elasticity rib boards about the center pin symmetry of the width direction of frame portion sets up.

In the pressing bracket according to the present invention, the frame portion, the connecting plate portion, the fixing strip portion, the first elastic rib plate portion, and the second elastic rib plate portion are integrally provided.

In the pressing bracket of the present invention, the linking plate portion includes a linking plate portion and a triggering portion that are integrally provided, the linking plate portion is provided between the fixed strip portions and the short plate portion, and the triggering portion is provided between the two fixed strip portions; the linkage plate portion and the short plate portion form a first hollow portion and a second hollow portion, and the fixing strip portion and the trigger portion form a third hollow portion and a fourth hollow portion.

In the pressing bracket of the present invention, the connecting plate portion, the fixed bar portion, and the first elastic rib plate portion are integrally provided; the second elasticity rib board portion be used for connecting the quarter butt portion with the link plate portion, first elasticity rib board portion including set up in the link plate portion with deformation portion between the quarter butt portion, deformation portion is used for increasing the deformation volume of frame portion.

In the pressing bracket of the present invention, the first elastic rib plate portion and the second elastic rib plate portion are integrally provided to form a rib, and the short plate portion, the connecting plate portion, and the fixed bar portion are connected by the rib.

In the pressing bracket of the present invention, a gap is provided between the vertical plate portion and an end surface of the trigger portion.

In the pressing bracket of the present invention, the trigger block is cylindrical in shape.

In the pressing bracket of the present invention, the fixing plate portion has a semicircular annular shape.

According to a second aspect of the embodiments of the present application, there is provided a touch panel device, including a touch panel, a touch circuit board, and a mounting base frame, which are sequentially arranged from top to bottom, and further including the above-mentioned pressing bracket, the pressing bracket is arranged between the mounting base frame and the touch circuit board, and the pressing bracket is fixedly arranged on the mounting base frame.

According to a third aspect of the embodiments of the present application, there is provided an electronic input device, including the above-mentioned touch pad device.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a press down support, and its middle part position according to the clamp plate is provided with the interval, and this interval has increased the elasticity deformation volume according to the clamp plate to the sensitivity that the touch pad was pressed has been promoted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is an exploded view of a touch pad device in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of a pressing frame according to an embodiment of the present invention;

FIG. 3 is an exploded view of a press mount according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a pressing plate according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of an elastic sheet according to an embodiment of the present invention;

FIG. 6 is a schematic view of a pressing frame according to another embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a schematic view of a pressing frame according to yet another embodiment of the present invention;

FIG. 9 is a schematic view of a pressing frame according to yet another embodiment of the present invention;

fig. 10 is a schematic structural diagram of an electronic input device according to an embodiment of the invention.

Description of reference numerals:

100. a touch pad device; 10. a touch panel; 20. a touch circuit board; 21. a strike module; 30. pressing the bracket; 31. a pressing plate; 311. spacing; 312. an opening part; 313. a frame portion; 3131. a long plate portion; 3132. a short plate portion; 314. a connecting plate portion; 3141. a linking plate portion; 3142. a trigger section; 315. a fixing strip portion; 316. a first elastic rib plate portion; 317. a second elastic rib plate portion; 3171. a deformation section; 3172. a first plate; 3173. a second plate; 317. a connecting strip; 318. a stopper part; 319. a rib; 32. a trigger block; 33. an elastic sheet; 331. an elastic portion; 3311. a bottom plate portion; 3312. a vertical plate portion; 332. a fixed plate portion; 40. installing a base frame; 41. a through hole portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a touch panel device 100 includes a touch panel 10, a touch circuit board 20, a pressing bracket 30, and a mounting base frame 40, wherein the pressing bracket 30 is mounted on the mounting base frame 40. The side surface of the touch circuit board 20 facing the pressing support 30 is provided with a touch module 21, the touch module 21 is arranged in the middle of the touch circuit board 20, and the touch module 21 may be a snap dome or other touch modules.

The pressing bracket 30 includes a pressing plate 31, a trigger block 32, and an elastic piece 33. The middle position of pressing the board 31 is provided with interval 311, and the elastic sheet 33 includes the elastic part 331 and two fixed board portions 332 of integral connection, and elastic part 331 sets up in interval 311, and elastic part 331 includes bottom plate portion 3311 and two riser portions 3312, and fixed board portion 332 connects in riser portion 3312 to fixed board portion 332 welds on pressing the board 31. The trigger block 32 is disposed above the bottom plate portion 3311, and the trigger block 32 is located at a central position of the pressing plate 31, which position corresponds to the striking module 21. The pressing plate 31 has an opening 312 at a position corresponding to the trigger block 32, the trigger block 32 is accommodated in the opening 312, and the pressing block is disposed in the opening 312. The pressing plate 31 on the market is of an integrated structure, and the middle part does not have an interval space to place the elastic sheet 33, so when the user presses the touch panel 10, the middle part of the pressing plate 31 per se can deform to push upwards to trigger the touch module 21, but the elastic deformation amount of the pressing plate 31 per se is small, so the scheme on the market presses the touch panel with low sensitivity, and the middle part of the pressing block of the application is provided with the interval 311 with elastic deformation, and is connected through the elastic sheet 33, the deformation amount of the middle position of the pressing block is increased, and the sensitivity of the touch module 21 is triggered. The elastic part may be U-shaped.

In the present embodiment, the pressing plate 31 includes a frame portion 313, two web portions 314, and two fixing strip portions 315. The frame portion 313 includes two long plate portions 3131 and two short plate portions 3132 which are oppositely disposed, the fixing strip portions 315 are disposed in parallel with the long plate portions 3131 at intervals, and the fixing strips are disposed near a middle position of one long plate portion 3131, respectively. That is, one fixing strip portion 315 is disposed adjacent to one of the long-plate portions 3131, and the other fixing strip portion 315 is disposed adjacent to the other long-plate portion 3131. Two web portions 314 are provided symmetrically about the center axis in the longitudinal direction of the rectangular frame, web portion 314 is provided between frame portion 313 and fixing strip portion 315, fixing strip portion 315 and two web portions 314 are connected by first elastic rib plate portion 316, web portion 314 and short plate portion 3132 are connected by two second elastic rib plate portions 317 provided symmetrically about the center axis in the width direction of frame portion 313. The structure of the application is symmetrical about the central axis of the square frame in the length direction and the width direction, so that the stress on the two sides of the length of the pressing touch panel 10 is uniform, and the stress on the two sides of the width of the pressing touch panel 10 is uniform.

In the present embodiment, the frame portion 313 has a square shape.

The connecting plate portion 314 includes an interlocking plate portion 3141 and a trigger portion 3142 that are integrally provided. The interlocking plate portion 3141 is provided between the fixed strip portion 315 and the short plate portion 3132, and the trigger portion 3142 is provided between the two fixed strip portions 315. A first hollowed-out portion a and a second hollowed-out portion b are formed between the interlocking plate portion 3141 and the short plate portion 3132, and a third hollowed-out portion c and a fourth hollowed-out portion d are formed between the fixing strip portion 315 and the trigger portion 3142. The linkage plate part can be U-shaped, and the trigger part is trapezoidal.

In the application, the position on the touch panel 10 farthest from the touch module 21 is pressed as an example, in the application, during the application, an angular position of the touch panel 10 is pressed, at this time, the touch panel 10 drives the angular positions of the touch circuit board 20 and the pressing bracket 30 to move downward, since the fixing strip portion 315 is fixed, the fixing strip portion 315 can serve as a fulcrum, at this time, the triggering portion 3142 of the connecting plate portion 314 moves upward, so as to drive the elastic sheet 33 to move upward, and since the triggering block 32 is placed on the bottom plate of the elastic sheet 33, the triggering block 32 can move upward and further trigger the touch module 21.

In this embodiment, a gap is provided between the riser portion 3312 of the elastic piece 33 and the end surface of the trigger portion 3142, and the amount of deformation of the elastic piece 33 is further increased by providing the gap.

As shown in fig. 4, in an alternative embodiment, the frame portion 313, the connecting plate portion 314, the fixing bar, the first elastic rib plate portion 316 and the second elastic rib plate portion 317 are integrally provided, that is, the pressing plate 31 is integrally formed, for example, by machining a whole plate into the structure of the pressing plate 31 of the present application. Wherein the thickness of the first elastic rib plate portion and the second elastic rib plate portion is smaller than the thickness of the frame portion. Through the verification, the pressing effect is better for the first elastic rib plate part and the second elastic rib plate part with low thickness.

In this embodiment, two stopper portions 318 are provided on the short plate portion 3132, a through hole portion 41 is provided at a position of the mounting base frame 40 corresponding to the stopper portions 318, and the stopper portions 318 are inserted into the through hole portion 41 to limit the rebound of the pressing plate 31 by the stopper portions 318.

In an alternative embodiment the trigger block 32 is cylindrical in shape. The fixing plate portion 332 has a semicircular ring shape.

As shown in fig. 6 and 7, in another embodiment, web portion 314, fixing strip portion 315, and first elastic rib plate portion 316 are integrally provided, that is, web portion 314, fixing strip portion 315, and first elastic rib plate portion 316 are integrally formed, and one plate is machined, for example, by machining, to have the structure of the present application. Second elastic rib plate portion 317 is used for connecting short plate portions and connecting plate portion 314, second elastic rib plate portion 317 includes deformation portion 3171 provided between connecting plate portion 314 and the short plate portions, deformation portion 3171 is used for increasing the deformation amount of the frame portion, and the cross section of deformation portion 3171 may be arc-shaped or U-shaped. The second elastic rib plate portion 317 includes a first flat plate 3172, a second flat plate 3173, and a deformation portion 3171, the deformation portion 3171 is used to connect the first flat plate 3172 and the second flat plate 3173, the first flat plate 3172 is welded to the short plate portion 3132, the second flat plate 3173 is welded to the connecting plate portion 314, the deformation portion 3171 is disposed between the first flat plate 3172 and the second flat plate 3173, and the deformation portion 3171 extends between the short plate portion 3132 and the connecting plate portion 314. As shown in fig. 8, the number of second elastic-rib plate portions 317 may be two, and two second elastic-rib plate portions 317 are provided on both sides of the short plate portion, respectively. The second elastic rib plate part can also be provided with two second elastic rib plate parts in an integral structure, the two second elastic rib plate parts 317 are connected into a whole through the connecting strip 3174, and the two second elastic rib plate parts 317 are connected into a whole, so that the number of components is reduced, and the assembly is convenient.

In an alternative embodiment, as shown in fig. 9, the first elastic rib plate portion 316 and the second elastic rib plate portion 317 are formed as a single body, and the first elastic rib plate portion 316 and the second elastic rib plate portion 317 are integrally connected to form a rib 319, and the fixed strip portion 315 and the connecting plate portion 314 are connected by the rib 319. The two web portions 314 are symmetrical about the center of the long web portion 3131, the ribs 319 extend from the short web portion 3132 to the fixing strips 315, the short web portion 3132, the web portions 314 and the fixing strips 315 are connected by welding, and the number of the fixing strips 315 is four. In the present embodiment, fixing strip portion 315, web portion 314, and frame portion 313 are disposed on the same plane, and rib 319 is disposed on the side of frame portion 313 facing mounting base frame 40.

Referring to fig. 10, the present application further relates to an electronic input device including the above-mentioned touch pad device. The electronic input device can be an electronic device with a touch function, such as a notebook computer.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pressing bracket, comprising: the pressing plate, the trigger block and the elastic sheet are arranged on the base; the middle position of the pressing plate is provided with an interval, the elastic piece comprises an elastic part and two fixing plate parts which are integrally connected, the elastic part is arranged in the interval and comprises a bottom plate part and two vertical plate parts, the fixing plate parts are connected to the vertical plate parts and welded on the pressing plate, and the trigger block is arranged on the bottom plate part and is positioned at the center position of the pressing plate; the position that the pressing plate with trigger block corresponds is provided with trompil portion, trigger block accept in trompil portion.

2. The pressing bracket according to claim 1, wherein the pressing plate includes a frame portion, two web portions, and two fixing strip portions; the frame part comprises two long plate parts and two short plate parts which are oppositely arranged, the fixing strip parts and the long plate parts are arranged in parallel at intervals, and the two fixing strip parts are respectively arranged close to the middle position of one long plate part; the two connecting plate portions are symmetrically arranged about a central axis in the length direction of the frame portion, the connecting plate portions are arranged between the frame portion and the fixing strip portions, the fixing strips are connected with the two connecting plate portions through first elastic rib plate portions, the connecting plate portions are connected with the short plate portions through two second elastic rib plate portions, and the two second elastic rib plates are symmetrically arranged about the central axis in the width direction of the frame portion.

3. The pressing bracket according to claim 2, wherein the linking plate portion includes an interlocking plate portion and a trigger portion that are integrally provided, the interlocking plate portion is provided between the fixing strip portions and the short plate portion, and the trigger portion is provided between the two fixing strip portions; the linkage plate portion and the short plate portion form a first hollow portion and a second hollow portion, and the fixing strip portion and the trigger portion form a third hollow portion and a fourth hollow portion.

4. A push bracket according to claim 3, wherein the frame portion, the web portion, the fixing strip portion, the first elastic rib plate portion, and the second elastic rib plate portion are integrally provided.

5. The pressing bracket according to claim 3, wherein the web portion, the fixing strip portion, and the first elastic rib web portion are integrally provided; the second elasticity rib board portion be used for connecting the quarter butt portion with the link plate portion, first elasticity rib board portion including set up in the link plate portion with deformation portion between the quarter butt portion, deformation portion is used for increasing the deformation volume of frame portion.

6. The pressing bracket according to claim 3, wherein the first elastic rib plate portion and the second elastic rib plate portion are integrally provided to form a rib by which the short plate portion, the connecting plate portion, and the fixed strip portion are connected.

7. The pressing bracket according to claim 4, wherein a gap is provided between the vertical plate portion and an end surface of the trigger portion.

8. The pressing bracket of claim 1 wherein said trigger block is cylindrical in shape.

9. The utility model provides a touch-control board device, includes from the top down and has set gradually touch panel, touch-sensitive circuit board and installation base frame, its characterized in that: further comprising a push bracket according to any of claims 1-8, the push bracket being disposed between the mounting base frame and the touch circuit board, and the push bracket being fixedly mounted to the mounting base frame.

10. An electronic input device comprising the touch pad device of claim 9.