CN218411627U

CN218411627U - Display key tester

Info

Publication number: CN218411627U
Application number: CN202222378268.1U
Authority: CN
Inventors: 黄红军; 刘以兵; 覃三成; 龚宇宙; 韩起行
Original assignee: Hubei Century Joint Innovation Technology Co ltd
Current assignee: Hubei Century Joint Innovation Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-31
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a display key tester, which comprises a test board, wherein the upper surface of the test board is connected with a steel plate; the upper surface of the test board is provided with a plurality of fixing mechanisms which are matched and fixed with the display; one side of the fixing mechanism is provided with a key mechanism, the key mechanism comprises a fixing support, a first chute of a vertical T-shaped structure is formed in the surface of the fixing support and is in sliding connection with a key device, and the key device is in contact fit with a key of the display. The device solves prior art's key tester and need fix the display in specific test position, and is comparatively loaded down with trivial details, and degree of flexibility is relatively poor, and need debug fixed position in advance when facing the display of different models, and the problem that efficiency is lower has and can provide fixedly fast to the nimble adjustment in display position of being convenient for has improved the characteristics of operating efficiency.

Description

Display key tester

Technical Field

The utility model belongs to the technical field of the display production, in particular to display button tester.

Background

In the using process of the display, the keys are the components which are most easily damaged and used for the most times, so manufacturers must strictly check the components to leave the factory; in the prior art, the display is often fixed on a specific station and then repeatedly pressed by an electric device at a fixed position, the fixing process is complicated, and the fixed position is often debugged in the face of displays of different sizes and models, which wastes time and labor; for example, the patent with the publication number of 'CN 207866466U' discloses 'a display key test workbench', which comprises an installation box, wherein a push rod motor arranged along the vertical direction is installed at the middle position of the inner wall of the bottom of the installation box, a movable plate in sliding connection with the inner wall of the installation box is fixedly connected with a push rod end of the push rod motor, an operation platform is installed at the middle position of the top of the movable plate, telescopic rods symmetrically arranged along the push rod motor are welded on the inner wall of the bottom of the installation box, the top end of each telescopic rod is rotatably connected with a balance rod, one end, far away from the push rod motor, of the balance rod is hinged with a connecting rod fixedly connected with the bottom of the movable plate, and the bottom, near one end of the push rod motor, of the balance rod is hinged with a pressure rod; however, the device still cannot solve the problems that the display key is fixed more complexly during testing, and steps are complicated when the position of the key is aligned in the face of displays of different models; therefore, a need exists to design a display key tester to solve the above problems.

Disclosure of Invention

The utility model aims to solve the technical problem that a display key tester is provided, the device solve prior art's key tester need fix the display at specific test position, comparatively loaded down with trivial details, and nimble degree is relatively poor, and need debug fixed position in advance when facing the display of different models, the lower problem of efficiency has and can provide fast fixedly to the nimble adjustment of display position of being convenient for has improved the characteristics of operating efficiency.

In order to achieve the purpose, the technical scheme adopted by the patent is as follows:

a display key tester comprises a test board, wherein the upper surface of the test board is connected with a steel plate; the upper surface of the test board is provided with a plurality of fixing mechanisms which are matched and fixed with the display; one side of the fixing mechanism is provided with a key mechanism, the key mechanism comprises a fixing support, a first chute of a vertical T-shaped structure is formed in the surface of the fixing support and is in sliding connection with a key device, and the key device is in contact fit with a key of the display.

Preferably, the fixing mechanism comprises a connecting block, and an L-shaped fixing plate is connected to the surface of one side of the connecting block and is clamped with the edge of the display.

Preferably, the bottoms of the fixed support and the connecting block are connected with electromagnets and are connected with the steel plate on the upper surface of the test board in a magnetic mode.

Furthermore, the electromagnet is electrically connected with an external power supply through an electric wire to supply power, and a key switch is arranged for power off and power supply.

Preferably, the button device comprises a connecting plate, a second chute of a T-shaped structure is formed in the upper surface of the connecting plate, an air cylinder is connected to the lower surface of the connecting plate, and the telescopic end of the air cylinder is connected with the baffle.

Further, the cylinder is connected with the air compressor through the trachea, thereby is provided with the dynamics of choke valve adjustment button feeler lever on the trachea.

Preferably, the fixed support is connected with the connecting plate through angle steel, two sides of the angle steel are connected with a T-shaped sliding block, the T-shaped sliding block is connected with the first sliding groove and the second sliding groove in a sliding mode, and a locking bolt is arranged in the T-shaped sliding block to lock.

Preferably, the surface of the baffle is provided with a waist-shaped hole, a plurality of screw rods penetrate through the waist-shaped hole, and two ends of each screw rod are locked through nuts; the end part of the screw rod is connected with a flexible pressing head which is in contact fit with a key of a display; when the test device is used, the position and the extending length of the screw rod can be moved in the waist-shaped hole, so that the test device is adaptive to displays with different key intervals, and a plurality of keys are simultaneously pressed and tested.

Furthermore, the throttle valve of cylinder is the solenoid valve, and power and the PLC controller electric connection together of electro-magnet carry out automatic test through the touch screen setting parameter.

The utility model has the advantages that:

in the device, the electromagnet is matched with the test board made of the steel plate, so that the display and the key mechanism can be conveniently fixed at any position on the test table board, a complex fixing process is omitted, the display is not limited to a specific working position, and the device is convenient to adapt to displays of different models; the key mechanism is driven by the air cylinder and can slide on the fixed support for adjusting the position, and the pressing heads formed by a plurality of screw rods can also adjust the distance between the pressing heads, so that the key mechanism is suitable for displays with different key distances; the fixed mode of electro-magnet is convenient for fix the display with various gestures, to the display of part rocker-type button, can also put the display on all directions and put down, promotes the rocker toward all directions through the press head to realize the purpose of button test.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic structural view of the key mechanism of the present invention;

the reference numbers in the figures are: the device comprises a test board 1, a steel plate 11, a fixing mechanism 2, a display 21, a fixing plate 22, a connecting block 23, a key mechanism 3, a fixing support 31, a first sliding groove 32, angle steel 33, a locking bolt 34, a key device 4, a connecting plate 41, a second sliding groove 42, an air cylinder 43, a baffle 44, a kidney-shaped hole 5 and a screw rod 6.

Detailed Description

As shown in fig. 1 to 4, a display 21 key tester includes a testing table 1, wherein a steel plate 11 is connected to the upper surface of the testing table 1; the upper surface of the test board 1 is provided with a plurality of fixing mechanisms 2 which are matched and fixed with the display 21; one side of the fixing mechanism 2 is provided with a key mechanism 3, the key mechanism 3 comprises a fixing support 31, a first chute 32 of a vertical T-shaped structure is arranged on the surface of the fixing support 31 and is in sliding connection with a key device 4, and the key device 4 is in contact fit with a key of the display 21.

Preferably, the fixing mechanism 2 includes a connecting block 23, and an L-shaped fixing plate 22 connected to one side surface of the connecting block 23 is engaged with an edge of the display 21.

Preferably, the bottom of the fixed support 31 and the bottom of the connecting block 23 are both connected with an electromagnet which is in magnetic connection with the steel plate 11 on the upper surface of the test bench 1.

Preferably, the key device 4 includes a connecting plate 41, a second sliding slot 42 with a T-shaped structure is formed on the upper surface of the connecting plate 41, an air cylinder 43 is connected to the lower surface of the connecting plate 41, and the telescopic end of the air cylinder 43 is connected to a baffle 44.

Further, the air cylinder 43 is connected with the air compressor through an air pipe, and a throttle valve is arranged on the air pipe so as to adjust the force of the key touch rod.

Preferably, the fixed support 31 is connected with the connecting plate 41 through an angle steel 33, two sides of the angle steel 33 are connected with a T-shaped sliding block which is slidably connected with the first sliding chute 32 and the second sliding chute 42, and a locking bolt 34 is arranged in the T-shaped sliding block for locking.

Preferably, the surface of the baffle 44 is provided with a kidney-shaped hole 5, a plurality of screw rods 6 penetrate through the kidney-shaped hole 5, and two ends of each screw rod 6 are locked by nuts; the end of the screw rod 6 is connected with a flexible pressing head which is in contact fit with a key of the display 21; when the device is used, the position and the extending length of the screw rod 6 can be moved in the waist-shaped hole 5, so that the device is matched with the displays 21 with different key intervals, and a plurality of keys are simultaneously pressed and tested.

Further, the throttle valve of the air cylinder 43 is an electromagnetic valve, is electrically connected with the PLC together with the power supply of the electromagnet, and is automatically tested by setting parameters through the touch screen.

The utility model discloses a theory of operation does:

when the device is used, the electromagnet of the fixing mechanism 2 is electrified, the display 21 is fixed on the surface of the test board 1, then the position of the fixed support 31 is moved to enable the distance to be proper, then the position of the connecting block 23 and the distance between the screw rods 6 are adjusted in a sliding mode, and the keystroke device 4 can contact the keystroke of the display 21 after being prolonged; then, the screw rod 6 and the connecting block 23 are fixed; then, the pressing times, force and frequency are set through the touch screen, and the air cylinder 43 is started to perform key test.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. A display key tester is characterized in that: the device comprises a test board (1), wherein the upper surface of the test board (1) is connected with a steel plate (11); the upper surface of the test board (1) is provided with a plurality of fixing mechanisms (2) which are matched and fixed with the display (21); one side of the fixing mechanism (2) is provided with a key mechanism (3), the key mechanism (3) comprises a fixing support (31), a first chute (32) of a vertical T-shaped structure is formed in the surface of the fixing support (31) and is in sliding connection with a key device (4), and the key device (4) is in contact fit with a key of the display (21).

2. The display key tester of claim 1, wherein: the fixing mechanism (2) comprises a connecting block (23), and an L-shaped fixing plate (22) is connected to the surface of one side of the connecting block (23) and is clamped with the edge of the display (21).

3. The display key tester of claim 1, wherein: the bottoms of the fixed support (31) and the connecting block (23) are connected with an electromagnet which is in magnetic connection with a steel plate (11) on the upper surface of the test bench (1).

4. The display key tester of claim 1, wherein: the key device (4) comprises a connecting plate (41), a second sliding groove (42) of a T-shaped structure is formed in the upper surface of the connecting plate (41), an air cylinder (43) is connected to the lower surface of the connecting plate (41), and the telescopic end of the air cylinder (43) is connected with a baffle (44).

5. The display key tester of claim 1, wherein: fixing support (31) are connected through angle steel (33) with connecting plate (41), and angle steel (33) both sides are connected with T type slider and first spout (32) and second spout (42) sliding connection, are provided with locking bolt (34) in the T type slider and lock.

6. The display key tester as claimed in claim 4, wherein: the surface of the baffle (44) is provided with a waist-shaped hole (5), a plurality of screw rods (6) penetrate through the waist-shaped hole (5), and two ends of each screw rod (6) are locked through nuts; the end of the screw rod (6) is connected with a flexible pressing head which is in contact fit with a key of the display (21).