Liquid crystal screen test fixture

Abstract

The utility model discloses a liquid crystal screen test fixture which comprises a supporting bottom plate, a fixed supporting column is arranged on the top of the supporting bottom plate, an upper supporting clamping frame is fixedly arranged on the front side of the top of the fixed supporting column, a sliding block is arranged on the front side of the fixed supporting column, and the sliding block extends to the outside to be provided with a lower supporting clamping frame. A first sliding groove and a second sliding groove are formed in the lower portion of the upper supporting clamping frame and the upper portion of the lower supporting clamping frame correspondingly, elastic blocks are arranged on the two sides in the first sliding groove and the two sides in the second sliding groove correspondingly, and rubber wheels are rotationally arranged in the elastic blocks. Compared with the prior art, the fixture has the advantages that the fixedly-arranged upper supporting and clamping frame is matched with the lower supporting and clamping frame capable of being adjusted in a lifting mode, and the fixture can be matched with liquid crystal screens of different sizes to conduct fixture positioning operation; and the liquid crystal display can be safely and conveniently clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal screen test auxiliary equipment, in particular to a liquid crystal screen test fixture. Background Art

[0002] The LCD screen uses liquid crystal material as its basic component. The liquid crystal material is filled between two parallel plates. Voltage is used to change the arrangement of the molecules inside the liquid crystal material to achieve the purpose of shading and transmitting light to display images of varying depths and staggered arrangements. Moreover, as long as a three-primary color filter layer is added between the two flat plates, color images can be displayed.

[0003] During the production process of LCD screens, it is often necessary to inspect the LCD screens. The tests in the prior art are all carried out by placing them flat and then conducting light transmission tests. However, such flat placement is not convenient for testers to observe with the naked eye, and vertical placement is not convenient for clamping and fixing, which is prone to accidents and damage. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a liquid crystal screen test fixture which is convenient for vertically clamping a liquid crystal screen in view of the deficiencies in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a liquid crystal screen test fixture, comprising a support base plate, the top of the support base plate is connected with a fixed support column, the top front side of the fixed support column is fixedly connected with an upper support clamping frame, the front side of the fixed support column is provided with an adjustment slot, the adjustment slot is rotatably connected with an electric-driven adjustment screw, the adjustment slot is limited in position and slidably connected with a sliding block that rotates with the adjustment screw thread, and the sliding block extends to the outside and is connected with a lower support clamping frame that cooperates with the upper support clamping frame;

[0006] A first sliding groove and a second sliding groove are respectively provided below the upper supporting clamping frame and above the lower supporting clamping frame. Both sides of the first sliding groove and the second sliding groove are connected with elastic blocks, and rubber wheels are rotatably connected in the elastic blocks.

[0007] Furthermore, a motor for driving an adjusting screw is connected to the top of the fixed support column, and an electric control box is connected to one side of the top of the support base plate to facilitate the control of the rotation of the driving adjusting screw.

[0008] Furthermore, an elastic cavity cooperating with the elastic block is provided below the upper support clamping frame and inside the lower support clamping frame, and a spring is connected inside the elastic cavity to facilitate the operation of providing elastic force to the elastic block.

[0009] Furthermore, a limit block is connected to the outer side of the lower support clamping frame, and a limit rod penetrating the limit block is connected to the support bottom plate, so as to facilitate the stable lifting and lowering operation of the lower support clamping frame.

[0010] Furthermore, positioning blocks are connected to the rear ends of the lower portion of the upper support clamping frame and the upper portion of the lower support clamping frame, positioning grooves are provided in the positioning blocks, and rubber protective pads are connected to the inner sides of the positioning grooves to facilitate end positioning of the laterally pushed LCD screen.

[0011] The advantages of the LCD screen test fixture of the utility model compared with the prior art are: the utility model can cooperate with LCD screens of different sizes to perform positioning fixture operations through the fixed upper support clamping frame and the lower support clamping frame that can be raised and lowered, and at the same time, the LCD screen can be clamped safely and conveniently through the elastic blocks and rubber wheels arranged inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a first structural schematic diagram of a liquid crystal screen testing fixture of the utility model.

[0013] Figure 2 This is a second structural schematic diagram of a liquid crystal screen testing fixture of the utility model.

[0014] Figure 3 The utility model is a front cross-sectional structural schematic diagram of a liquid crystal screen testing fixture.

[0015] Figure 4 The utility model is a side sectional structural schematic diagram of a liquid crystal screen testing fixture.

[0016] As shown in the figure: 1. Support base plate; 2. Fixed support column; 3. Upper support clamping frame; 4. Adjustment slot; 5. Adjustment screw; 6. Sliding block; 7. Motor; 8. Electric control box; 9. Lower support clamping frame; 10. First sliding slot; 11. Second sliding slot; 12. Elastic block; 13. Rubber wheel; 14. Elastic cavity; 15. Spring; 16. Limit block; 17. Limit rod; 18. Positioning block; 19. Positioning slot; 20. Rubber protective pad. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] Combined with Figure 1-4, a liquid crystal screen test fixture, comprising a supporting base plate 1, a fixed supporting column 2 is connected to the top of the supporting base plate 1, an upper supporting clamping frame 3 is fixedly connected to the front side of the top of the fixed supporting column 2, an adjusting slot 4 is provided on the front side of the fixed supporting column 2, an adjusting screw 5 driven by an electric drive is rotatably connected in the adjusting slot 4, a motor 7 for driving the adjusting screw 5 is connected to the top of the fixed supporting column 2, an electric control box 8 is connected to one side of the top of the supporting base plate 1, a sliding block 6 which is threadedly rotated with the adjusting screw 5 is provided in the limiting sliding connection in the adjusting slot 4, that is, the adjusting screw 5 is driven to rotate by the motor 7, so as to drive the lifting operation of the sliding block 6, so as to drive the external structure to perform the lifting operation, the sliding block 6 extends to the outside and is connected to a lower supporting clamping frame 9 which cooperates with the upper supporting clamping frame 3, and the upper supporting clamping frame 3 is arranged in cooperation with the lower supporting clamping frame 9 to ensure that the horizontality of the same vertical plane is the same, that is, it is necessary to ensure that the LCD screen will not be damaged due to displacement when it is pushed horizontally.

[0019] A first sliding groove 10 and a second sliding groove 11 are respectively provided below the upper support clamping frame 3 and above the lower support clamping frame 9, and elastic blocks 12 are connected on both sides of the first sliding groove 10 and the second sliding groove 11, and a rubber wheel 13 is rotatably connected in the elastic block 12, and an elastic cavity 14 matching the elastic block 12 is provided below the upper support clamping frame 3 and the lower support clamping frame 9, and a spring 15 is connected in the elastic cavity 14, that is, according to the size of the LCD screen, the height of the lower support clamping frame 9 is adjusted through the above structure, that is, the distance between the upper support clamping frame 3 and the lower support clamping frame 9 is adjusted, and then the LCD screen is horizontally inserted into the first sliding groove 10 and the second sliding groove 11 from top to bottom, and the elastic block 12 and the rubber wheel 13 can ensure that the LCD screen can be clamped while being pushed stably inward, so that the LCD screen can be clamped vertically for testing, which is convenient for light transmission testing and naked eye observation by the inspector.

[0020] A limit block 16 is connected to the outer side of the lower support clamping frame 9, and a limit rod 17 is connected to the support base plate 1 which passes through the limit block 16. The limit block 16 cooperates with the limit rod 17 to ensure the stability of the lower support clamping frame 9 during lifting and lowering. A positioning block 18 is connected to the lower side of the upper support clamping frame 3 and the upper rear end of the lower support clamping frame 9. A positioning groove 19 is provided in the positioning block 18. A rubber protective pad 20 is connected to the inner side of the positioning groove 19. When pushing the LCD screen, the LCD screen can be prevented from being damaged due to excessive pushing. Therefore, the positioning block 18 and the rubber protective pad 20 are added to ensure that no damage will occur when it is pushed to the bottom.

[0021] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A liquid crystal screen test fixture, comprising a supporting base plate (1), characterized in that: The top of the support base plate (1) is connected with a fixed support column (2), the top front side of the fixed support column (2) is fixedly connected with an upper support clamping frame (3), the front side of the fixed support column (2) is provided with an adjustment slot (4), the adjustment slot (4) is rotatably connected with an electrically driven adjustment screw (5), the adjustment slot (4) is limited in position and slidably connected with a sliding block (6) that is threadedly rotated with the adjustment screw (5), and the sliding block (6) is extended to the outside and connected with a lower support clamping frame (9) that cooperates with the upper support clamping frame (3); A first sliding groove (10) and a second sliding groove (11) are respectively provided below the upper supporting clamping frame (3) and above the lower supporting clamping frame (9); elastic blocks (12) are connected to both sides of the first sliding groove (10) and the second sliding groove (11); and a rubber wheel (13) is rotatably connected inside the elastic block (12).

2. The LCD test fixture according to claim 1, characterized in that: A motor (7) for driving the adjusting screw (5) is connected to the top of the fixed support column (2), and an electric control box (8) is connected to one side of the top of the support base plate (1).

3. The LCD test fixture according to claim 1, characterized in that: An elastic cavity (14) cooperating with the elastic block (12) is provided below the upper support clamping frame (3) and in the lower support clamping frame (9), and a spring (15) is connected to the elastic cavity (14).

4. The LCD test fixture according to claim 1, characterized in that: The lower support clamping frame (9) is connected to the outer side thereof with a limit block (16), and the support bottom plate (1) is connected to a limit rod (17) penetrating the limit block (16).

5. The LCD test fixture according to claim 1, characterized in that: A positioning block (18) is connected to the lower end of the upper support clamping frame (3) and the upper end of the lower support clamping frame (9), a positioning groove (19) is provided in the positioning block (18), and a rubber protective pad (20) is connected to the inner side of the positioning groove (19).

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