CN218728444U

CN218728444U - General test jig of desk-top LCD screen

Info

Publication number: CN218728444U
Application number: CN202223013578.XU
Authority: CN
Inventors: 廖晓琴
Original assignee: Bkc Testing Co ltd
Current assignee: Bkc Testing Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-24
Anticipated expiration: 2032-11-14

Abstract

The utility model provides a general test jig for a desk type LCD screen, which comprises a fixed component, wherein the fixed component comprises a test board, a second motor, a screw rod, a guide rail, a chute, a first clamping block, a pulley, a fixed plate, an electric telescopic rod and a second clamping block; and the two second motors are symmetrically arranged on the rear surface of the test board. The utility model discloses a second motor drives the lead screw and rotates, make two second clamp splices be close to, until cliping the LCD screen, rethread electric telescopic handle drives the motion of second clamp splice, promote LCD screen and first clamp splice and slide together, until fixed with the LCD screen, all can fix to not unidimensional LCD screen, need not to change the test jig, the commonality is stronger, and convenient operation is simple, save time, effect through the pulley, make first clamp splice can horizontal migration, can be fixed in operation panel central authorities with the LCD screen, the time of location LCD screen cost has been saved, convenient subsequent test.

Description

General test jig of desk-top LCD screen

Technical Field

The utility model relates to a test jig, in particular to general test jig of desk-top LCD screen belongs to LCD screen test technical field.

Background

The LCD is constructed by placing a liquid crystal cell between two parallel glass substrates, arranging TFT (thin film transistor) on the lower substrate glass, arranging color filter on the upper substrate glass, and controlling the rotation direction of liquid crystal molecules by changing the signal and voltage on the TFT, so as to achieve the purpose of controlling whether polarized light of each pixel point is emitted or not to achieve the purpose of displaying.

LCD need be through the range estimation in the LCD screen production process, multichannel measuring processes such as electricity survey, in order to improve detection efficiency, generally use the test jig to fix the LCD screen, however current test jig is in the use, because the different LCD screen size of model is different, consequently need to change different test jigs to the LCD screen of different models and fix, for this reason, provides the general test jig of a desk-top LCD screen.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is to provide a universal testing jig for a desktop LCD screen, which solves or alleviates the technical problems in the prior art and provides at least one useful choice.

The embodiment of the utility model provides a technical scheme is so realized: a universal test rack for a desk type LCD (liquid crystal display) screen comprises a fixing assembly, wherein the fixing assembly comprises a test board, a second motor, a screw rod, a guide rail, a sliding chute, a first clamping block, a pulley, a fixing plate, an electric telescopic rod and a second clamping block;

two the second motor symmetry install in the rear surface of testboard, the output shaft of second motor with the one end fixed connection of lead screw, guide rail sliding connection in the lateral wall of lead screw, the spout is seted up in one side of guide rail, first clamp splice sliding connection in the inside wall of spout, two the pulley symmetry install in one side of first clamp splice, the pulley roll connection in the inside wall of spout, two fixed plate symmetry fixed connection in the upper surface of testboard, electric telescopic handle install in one side of fixed plate, second clamp splice fixed connection in electric telescopic handle's one end.

Further preferred is: the testing device comprises a testing table, a testing table and a control system, wherein a main body component is arranged at the bottom of the testing table and comprises a base, a support, a groove, a supporting plate, a supporting column, a first tester, a first motor, a threaded rod and a second tester;

the support is fixedly connected to the upper surface of the base.

Further preferred is: the groove is formed in the front surface of the support.

Further preferred is: the support plate is fixedly connected to the front surface of the bracket.

Further preferred is: the four support columns are symmetrically and fixedly connected to the upper surface of the support plate.

Further preferred is: the test bench is fixedly connected to the upper surface of the support column.

Further preferred is: the first tester is mounted on an upper surface of the support plate.

Further preferred is: the first motor is installed in the top of support, the output shaft of first motor with the top fixed connection of threaded rod, the threaded rod rotate connect in the inside wall of recess, second tester sliding connection in the lateral wall of threaded rod.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

1. the utility model discloses a second motor drives the lead screw and rotates, makes two second clamp splices be close to, until cliping the LCD liquid crystal screen, rethread electric telescopic handle drives the second clamp splice motion, promotes LCD screen and first clamp splice and slides together, until fixed with the LCD screen, all can fix to not unidimensional LCD liquid crystal screen, need not to change the test jig, and the commonality is stronger, and convenient operation is simple, saves time.

2. The utility model discloses an effect of pulley makes first clamp splice can horizontal migration, can be fixed in operation panel central authorities with the LCD screen, has saved the time of location LCD screen cost, convenient subsequent test.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a view-angle structure of the present invention;

FIG. 2 is another view-angle structure diagram of the present invention;

FIG. 3 is a structural diagram of a test board of the present invention;

fig. 4 is a diagram of the structure of the guide rail of the present invention.

Reference numerals: 10. a body assembly; 11. a base; 12. a support; 13. a groove; 14. a support plate; 15. a support column; 16. a first tester; 17. a first motor; 18. a threaded rod; 19. a second tester; 20. a fixing assembly; 21. a test bench; 22. a second motor; 23. a screw rod; 24. a guide rail; 25. a chute; 26. a first clamping block; 27. a pulley; 28. a fixing plate; 29. an electric telescopic rod; 210. and a second clamping block.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present invention provides a universal testing jig for a desktop LCD screen, which includes a fixing component 20, where the fixing component 20 includes a testing table 21, a second motor 22, a screw 23, a guide rail 24, a sliding groove 25, a first clamping block 26, a pulley 27, a fixing plate 28, an electric telescopic rod 29, and a second clamping block 210;

two second motor 22 symmetry are installed in the rear surface of testboard 21, the output shaft of second motor 22 and the one end fixed connection of lead screw 23, guide rail 24 sliding connection is in the lateral wall of lead screw 23, one side of guide rail 24 is seted up to spout 25, first clamp splice 26 sliding connection is in the inside wall of spout 25, two pulley 27 symmetries are installed in one side of first clamp splice 26, pulley 27 rolling connection is in the inside wall of spout 25, two fixed plate 28 symmetry fixed connection are in the upper surface of testboard 21, electric telescopic handle 29 is installed in one side of fixed plate 28, second clamp splice 210 fixed connection is in electric telescopic handle 29's one end.

In this embodiment, specifically: the bottom of the test bench 21 is provided with a main body component 10, and the main body component 10 comprises a base 11, a bracket 12, a groove 13, a supporting plate 14, a supporting column 15, a first tester 16, a first motor 17, a threaded rod 18 and a second tester 19;

the bracket 12 is fixedly connected to the upper surface of the base 11, and the bracket 12 plays a role in supporting and fixing.

In this embodiment, specifically: the recess 13 opens at the front surface of the holder 12.

In this embodiment, specifically: a support plate 14 is fixedly attached to the front surface of the rack 12, the support plate 14 being used to mount a first tester 16.

In this embodiment, specifically: four support columns 15 are symmetrically and fixedly connected to the upper surface of the support plate 14.

In this embodiment, specifically: the test table 21 is fixedly attached to the upper surface of the support column 15.

In this embodiment, specifically: first tester 16 installs in the upper surface of backup pad 14, and first tester 16 includes equipment such as mainboard, singlechip and power cord, plays power supply, effect such as light.

In this embodiment, specifically: first motor 17 installs in the top of support 12, the output shaft of first motor 17 and the top fixed connection of threaded rod 18, and threaded rod 18 rotates to be connected in the inside wall of recess 13, and second tester 19 sliding connection is in the lateral wall of threaded rod 18, and first motor 17 provides power for the rotation of threaded rod 18 to change second tester 19's height, so that second tester 19 is close to the LCD screen and detects.

The utility model discloses at the during operation: place the LCD screen on testboard 21, open second motor 22, drive lead screw 23 and rotate, make two guide rails 24 and first clamp splice 26 relative motion, the LCD screen is cliied until first clamp splice 26, open electric telescopic handle 29 again, make two second clamp splice 210 relative motion, promote the LCD screen, after the LCD screen atress, under pulley 27's effect, first clamp splice 26 moves along with the LCD screen, until fixing the LCD screen on testboard 21's central point puts, all can carry out fixed centre gripping to the LCD screen of size difference, and easy operation is convenient, save time, simultaneously can automatic positioning in the clamping process, make things convenient for subsequent test work.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a general test jig of desk-top LCD screen, includes fixed subassembly (20), its characterized in that: the fixed assembly (20) comprises a test bench (21), a second motor (22), a screw rod (23), a guide rail (24), a sliding groove (25), a first clamping block (26), a pulley (27), a fixed plate (28), an electric telescopic rod (29) and a second clamping block (210);

two second motor (22) symmetry install in the rear surface of testboard (21), the output shaft of second motor (22) with the one end fixed connection of lead screw (23), guide rail (24) sliding connection in the lateral wall of lead screw (23), spout (25) are seted up in one side of guide rail (24), first clamp splice (26) sliding connection in the inside wall of spout (25), two pulley (27) symmetry install in one side of first clamp splice (26), pulley (27) rolling connection in the inside wall of spout (25), two fixed plate (28) symmetry fixed connection in the upper surface of testboard (21), electric telescopic handle (29) install in one side of fixed plate (28), second clamp splice (210) fixed connection in the one end of electric telescopic handle (29).

2. The universal test rack for the desktop LCD liquid crystal screen according to claim 1, characterized in that: the testing device comprises a testing table (21), wherein a main body component (10) is installed at the bottom of the testing table (21), and the main body component (10) comprises a base (11), a support (12), a groove (13), a supporting plate (14), a supporting column (15), a first tester (16), a first motor (17), a threaded rod (18) and a second tester (19);

the support (12) is fixedly connected to the upper surface of the base (11).

3. The universal test rack for the desktop LCD liquid crystal screen according to claim 2, characterized in that: the groove (13) is arranged on the front surface of the bracket (12).

4. The universal test rack for the desktop LCD liquid crystal screen according to claim 3, characterized in that: the support plate (14) is fixedly connected to the front surface of the bracket (12).

5. The universal test rack for desktop LCD liquid crystal screens of claim 4, characterized in that: the four support columns (15) are symmetrically and fixedly connected to the upper surface of the support plate (14).

6. The universal test rack for desktop LCD liquid crystal screens of claim 5, wherein: the test bench (21) is fixedly connected to the upper surface of the support column (15).

7. The universal test rack for desktop LCD liquid crystal screens of claim 5, wherein: the first tester (16) is mounted to an upper surface of the support plate (14).

8. The universal test rack for desktop LCD liquid crystal screens of claim 4, characterized in that: first motor (17) install in the top of support (12), the output shaft of first motor (17) with the top fixed connection of threaded rod (18), threaded rod (18) rotate connect in the inside wall of recess (13), second tester (19) sliding connection in the outside wall of threaded rod (18).