CN218765961U

CN218765961U - Silica gel button pressing performance test fixture

Info

Publication number: CN218765961U
Application number: CN202223035085.6U
Authority: CN
Inventors: 丁志华; 李仟; 李柏翰; 张佩韵
Original assignee: Injection Precision Rubber Suzhou Co ltd
Current assignee: Injection Precision Rubber Suzhou Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-28
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a silica gel button pressing performance test fixture, which comprises a vertically arranged support plate, a mechanical micrometer which is arranged vertically and is arranged on one side of the support plate through a bearing seat, an upper pressing plate which is horizontally arranged and is fixedly connected to the lower end of the mechanical micrometer, and a lower swinging plate which is horizontally arranged below the upper pressing plate; still including setting up and installing through the mounting panel the digital display gauge outfit of backup pad one side, digital display gauge outfit downside is provided with the flexible probe that corresponds below top board perpendicularly to be used for surveying the stroke of pushing down of top board passes through the accurate demonstration of digital display gauge outfit. The utility model discloses fine solution among the prior art measurement process press the pressure say with the not good control problem of stroke, provide the guarantee to measurement accuracy, once put the silica gel button after can be through the different stroke of pressing of mechanical type micrometer accurate control, promoted the measurement ageing, saved the human cost.

Description

Silica gel button pressing performance test fixture

Technical Field

The utility model relates to a silica gel button production technical field, in particular to silica gel button pressing performance test fixture.

Background

The silica gel button plays the elastic support and presses the core component who switches on the effect in the membrane keyboard, and its theory of operation is: when the keycap is pressed, the silica gel key is pressed by the keycap to deform so as to apply pressure to the thin film circuit layer to drive the electrode contact points in the thin film circuit layer to be in mutual contact to realize conduction, and the keycap is reset under the elastic action of the silica gel key after pressing is finished.

After the production of the silica gel key is completed, in order to compare and observe the pressed states and the breakdown structures in the limit state under different strokes when the silica gel key is pressed, a jig for pressing the silica gel key needs to be manufactured for batch simulation test. Referring to fig. 1, the present press fixture that generally uses two parallel type, to dissect back silica gel button 30 and paste on the lower balance plate 10 of below, and use another top board 20 to aim at the silica gel button 30 of putting on the balance plate 10 and carry out manual pressing, but this kind of prior art's manual pressure mode's pressure is said and is difficult to control, the accurate simulation is difficult to the point of collapse of pressing of different strokes, the point of collapse of pressing of different strokes needs two people to cooperate each other just can accomplish the screenshot through OMM equipment, to the power of pressing say and press the control depth requirement than higher, measure the ageing low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a silica gel button pressing performance test fixture, which comprises a vertically arranged support plate, a mechanical micrometer which is arranged vertically and is arranged on one side of the support plate through a bearing seat, an upper pressure plate which is horizontally arranged and is fixedly connected to the lower end of the mechanical micrometer, and a lower swing plate which is horizontally arranged below the upper pressure plate;

still including setting up and installing through the mounting panel the digital display gauge outfit of backup pad one side, digital display gauge outfit downside is provided with the flexible probe that corresponds below top board perpendicularly to be used for surveying the stroke of pushing down of top board passes through the accurate demonstration of digital display gauge outfit.

Furthermore, a sliding plate is arranged on the side portion of the supporting plate in a vertically sliding mode, the upper pressing plate is installed on the side portion of the lower end of the supporting plate, and the lower end of the mechanical micrometer is connected to the upper end of the sliding plate so as to drive the sliding plate to slide up and down along the supporting plate through the rotation and twisting of the mechanical micrometer, and further drive the upper pressing plate to lift up and down.

Furthermore, a horizontally arranged displacement plate is further installed on the side portion of the upper end of the sliding plate, and the lower end of the telescopic probe corresponds to the upper surface of the displacement plate so as to be used for detecting the descending stroke of the displacement plate and further detecting the synchronous stroke of the upper pressure plate.

Furthermore, the lateral part of backup pad is provided with perpendicularly the slide rail that corresponds the slide, the lateral part of slide is installed and is corresponded the slider of slide rail.

Furthermore, the side part of the supporting plate is provided with a linear guide post which is horizontally arranged and corresponds to the lower swing plate, and the side part of the lower swing plate is provided with a linear guide sleeve which corresponds to the linear guide post.

Through the technical scheme, the utility model discloses fine solution prior art measurement process press down the pressure way and the good control problem of stroke, provide the guarantee to measurement accuracy, once put can pass through the different stroke of pressing of mechanical type micrometer accurate control after the silica gel button, promoted the measurement ageing, saved the human cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic diagram of a silicone key pressing test fixture in the prior art;

FIG. 2 is a schematic view of the three-dimensional structure of the silica gel key pressing performance testing jig of the present invention;

fig. 3 is a schematic view of the structure of the silicone key pressing performance testing fixture of the present invention;

fig. 4 is the utility model discloses a silica gel button pressing performance test fixture looks sideways at the structure schematic diagram.

In the figure: 10. a lower swing plate; 11. a linear guide sleeve; 20. an upper pressure plate; 30. a silica gel key; 40. a support plate; 41. a slide plate; 42. a mechanical micrometer; 43. a displacement plate; 44. mounting a plate; 45. a digital display meter head; 451. a retractable probe; 46. a bearing seat; 47. and (6) linear guide pillars.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 2-4, the utility model provides a silica gel button pressing performance test fixture, including the backup pad 40 that sets up perpendicularly, install in one side of backup pad 40 through the bearing frame 46 and the mechanical micrometer 42 that sets up perpendicularly, slide 41 that sets up in the lateral part of backup pad 40 that slides from top to bottom, install in the top board 20 of the lateral part of backup pad 40 lower extreme, and the lower wobble plate 10 that sets up below top board 20 horizontally, the lower extreme of mechanical micrometer 42 is connected to the upper end of slide 41; the device also comprises a digital display meter head 45 arranged on one side of the supporting plate 40 through a mounting plate 44, wherein a telescopic probe 451 vertically corresponding to the lower upper pressure plate 20 is arranged on the lower side of the digital display meter head 45, so as to be used for detecting the downward pressing stroke of the upper pressure plate 20 and accurately displaying the downward pressing stroke through the digital display meter head 45; wherein, the side of the supporting plate 40 is installed with a linear guide post 47 which is horizontally arranged and corresponds to the lower swing plate 10, and the side of the lower swing plate 10 is provided with a linear guide sleeve 11 which corresponds to the linear guide post 47, so as to ensure the horizontal alignment movement of the lower swing plate 10 and the accurate correspondence of the upper pressing plate 20 on the upper side.

Specifically, a horizontally disposed displacement plate 43 is further installed on the upper end side of the sliding plate 41, and the lower end of the retractable probe 451 corresponds to the upper surface of the displacement plate 43, so as to detect the descending stroke of the displacement plate 43, and further detect the synchronous stroke of the upper platen 20.

Specifically, the side of the supporting plate 40 is vertically provided with a slide rail corresponding to the slide plate 41, and the side of the slide plate 41 is provided with a slide block corresponding to the slide rail.

The utility model discloses during the application, at first put the silica gel button down on the balance board 20, move down in order to drive slide 41 and top board 20 through rotatory wrench movement mechanical type micrometer 42, contact the top of silica gel button 30 with digital display gauge outfit 45 after top board 20 bottom surface returns to zero, continue rotatory wrench movement mechanical type micrometer 42, flexible probe 451 can be through the descending stroke with measuring displacement board 43 and then show digital display gauge outfit 45 with the decurrent stroke of top board 20 decurrent with displacement board 43 telescopic contact, can carry out the accuracy of various strokes with silica gel button 30 through top board 45 and press down, and then can accurately simulate the structure is pressed to the silica gel button 30 under the different strokes, satisfy and verify the test demand.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The jig for testing the pressing performance of the silica gel key is characterized by comprising a vertically arranged supporting plate (40), a mechanical micrometer (42) which is arranged on one side of the supporting plate (40) through a bearing seat (46) and is vertically arranged, an upper pressing plate (20) which is horizontally arranged and is fixedly connected to the lower end of the mechanical micrometer (42), and a lower swinging plate (10) which is horizontally arranged below the upper pressing plate (20) and is used for placing the silica gel key (30);

still including setting up and installing through mounting panel (44) digital display gauge outfit (45) of backup pad (40) one side, digital display gauge outfit (45) downside is provided with the telescopic probe (451) of perpendicular corresponding below top board (20), in order to be used for surveying the stroke of pushing down of top board (20) passes through digital display gauge outfit (45) accurate demonstration.

2. The jig for testing the pressing performance of the silica gel key according to claim 1, wherein a sliding plate (41) is arranged on the side portion of the supporting plate (40) in a vertically sliding manner, the upper pressing plate (20) is installed on the side portion of the lower end of the supporting plate (40), and the lower end of the mechanical micrometer (42) is connected to the upper end of the sliding plate (41), so that the sliding plate (41) is driven by the rotation and twisting of the mechanical micrometer (42) to vertically lift and slide along the supporting plate (40), and further the upper pressing plate (20) is driven to vertically lift.

3. The jig for testing the pressing performance of the silicone rubber key according to claim 2, wherein a horizontally arranged displacement plate (43) is further mounted on the upper end side of the sliding plate (41), and the lower end of the retractable probe (451) corresponds to the upper surface of the displacement plate (43) so as to detect the descending stroke of the displacement plate (43) and further detect the synchronous stroke of the upper press plate (20).

4. The jig for testing the pressing performance of the silica gel key according to claim 2 or 3, wherein a slide rail corresponding to the slide plate (41) is vertically arranged at the side of the support plate (40), and a slide block corresponding to the slide rail is mounted at the side of the slide plate (41).

5. The jig for testing the pressing performance of the silicone key according to claim 1, wherein a linear guide post (47) horizontally arranged and corresponding to the lower swing plate (10) is installed on the side of the supporting plate (40), and a linear guide sleeve (11) corresponding to the linear guide post (47) is installed on the side of the lower swing plate (10).