Rotary clamp for detecting liquid crystal display

Abstract

The utility model discloses a rotary fixture for liquid crystal screen detection, which comprises a clamping groove, balls are embedded in one side of the lower end of a support base in a rolling manner, rollers are embedded in the other side of the lower end of the support base in a rolling manner, a second locking knob is inserted in the lower end of one side of the support base, and a lifting groove is formed in the edge of the lower end of a support frame. And an insertion block is inserted into the inner wall of the lifting groove. According to the rotary clamp for detecting the liquid crystal screen, the clamping groove can be driven by the rotating ring and the third locking knob to overturn and fix front and back, the clamping groove can be driven by the rotating shaft and the insertion block to rotate left and right, adjustment is more flexible, the clamping groove can be driven by the vertical extension pipe, the vertical sleeve, the transverse sleeve and the transverse extension pipe to conduct transverse and vertical telescopic adjustment, and the clamping effect is better. And in addition, the vertical extension pipe, the vertical sleeve, the transverse sleeve and the transverse extension pipe can be rapidly disassembled and assembled through the threaded splicing blocks and the clamping grooves, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display screen detection jigs, in particular to a rotary jig for liquid crystal display screen detection. Background Technique

[0002] A liquid crystal display screen uses liquid crystal materials as basic components. Liquid crystal materials are filled between two parallel plates. By applying voltage, the arrangement of internal molecules of the liquid crystal materials is changed to achieve the purpose of blocking light and transmitting light, so as to display images with different shades and in an orderly manner. Moreover, as long as a color filter layer of three primary colors is added between the two flat plates, a color image can be displayed.

[0003] The detection of liquid crystal display screens includes power capacity experiments, performance tests, brightness detection, color detection, power consumption detection, interface detection, anti-interference detection, impact detection, collision detection, etc. When detecting a liquid crystal display screen, a jig is needed to fix the liquid crystal display screen, and then it is detected by a special inspection tool.

[0004] The clamping device adopted by the existing flip jig for liquid crystal display screen detection in CN114227581A can reduce the clamping area of the liquid crystal display screen, and the clamping position can be moved when clamping the liquid crystal display screen jig, avoiding the phenomenon of incomplete detection when detecting the liquid crystal display screen and improving the effect of the liquid crystal display screen jig. However, there are deficiencies. The existing equipment has a single flip structure, poor adjustment flexibility, poor adaptability, and cannot be quickly disassembled, replaced and used, which is inconvenient. Therefore, a rotary jig for liquid crystal display screen detection is needed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a rotary jig for liquid crystal display screen detection to solve the problems of the flip jig for liquid crystal display screen detection in the above background technique, such as a single flip structure, poor adjustment flexibility, poor adaptability, inability to be quickly disassembled, replaced and used, and inconvenience.

[0006] To achieve the above object, the present utility model provides the following technical solution: A rotary fixture for liquid crystal screen detection, including a clamping groove, the inner wall of the clamping groove is inserted and installed with a liquid crystal screen, the upper end of the clamping groove is inserted and installed with a screw rod, and the lower end of the screw rod is fixedly connected with a clamping block. Threaded splicing blocks are spirally inserted and installed on both sides of the clamping groove, and one end of each threaded splicing block is fixedly connected with a vertical extension tube and a horizontal extension tube respectively. The outer wall of the vertical extension tube is sleeved and installed with a vertical sleeve tube, and the outer wall of the horizontal extension tube is sleeved and installed with a horizontal sleeve tube. A first locking knob is inserted and installed on one side of both the horizontal sleeve tube and the vertical sleeve tube. A rotary ring is installed on one side of the vertical sleeve tube, and one end of the rotary ring is rotatably connected with a rotary seat. A third locking knob is inserted and installed on the inner wall of the rotary seat, and a support frame is installed at the lower end of the rotary seat. A rotating shaft is installed at the center position of the lower end of the support frame, and a support base is installed at the lower end of the rotating shaft. A ball is rollingly inlaid and installed on one side of the lower end of the support base, and a roller is rollingly inlaid and installed on the other side of the lower end of the support base. A second locking knob is inserted and installed on one side of the lower end of the support base. A lifting groove is opened at the edge of the lower end of the support frame, and a plug block is inserted and installed on the inner wall of the lifting groove. The lower end of the plug block is inserted and installed with the upper edge of the support base.

[0007] Preferably, the clamping grooves are distributed in a rectangular position, and the clamping grooves are horizontally telescopically connected through the vertical extension tubes in the vertical sleeve tubes and the horizontal extension tubes in the horizontal sleeve tubes. The vertical extension tubes and the horizontal extension tubes are fixedly connected with the vertical sleeve tubes and the horizontal sleeve tubes through the first locking knobs. The vertical extension tubes and the horizontal extension tubes are spirally spliced and installed with the clamping grooves through the threaded splicing blocks.

[0008] Preferably, the clamping groove is connected to the support frame in a front-back flipping manner through the rotary ring on the rotary seat, and the clamping groove is fixedly connected to the rotary seat through the third locking knob.

[0009] Preferably, the liquid crystal screen is inserted and clamped with the clamping groove through the clamping block on the screw rod, and the lower end of the clamping block is made of soft rubber material.

[0010] Preferably, the support frame is rotatably connected to the support base through the rotating shaft, and the support frame is inserted and fixedly installed with the support base through the plug block.

[0011] Preferably, the support base is of a disc structure, the balls and the rollers are distributed in a rectangular position at the lower end of the support base, and the rollers are fixedly connected to the support base through the rollers.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The rotary fixture for liquid crystal screen detection can drive the clamping groove to flip and fix back and forth through the rotary ring and the third locking knob, and can drive the clamping groove to rotate left and right through the rotating shaft and the insertion block, with more flexible adjustment. Moreover, it can drive the clamping groove to perform vertical and horizontal telescopic adjustment through the vertical extension pipe, the vertical sleeve, the horizontal sleeve and the horizontal extension pipe, which is convenient for quick adaptation and clamping. In addition, the vertical extension pipe, the vertical sleeve, the horizontal sleeve and the horizontal extension pipe can be quickly disassembled and assembled with the clamping groove through the threaded splicing block, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view of a rotary fixture for liquid crystal screen detection of the present utility model;

[0014] Figure 2 is the schematic diagram of the internal structure of a rotary fixture for liquid crystal screen detection of the present utility model;

[0015] Figure 3 is the schematic diagram of the inner wall structure of the clamping groove of a rotary fixture for liquid crystal screen detection of the present utility model;

[0016] Figure 4 is a rotary fixture for liquid crystal screen detection of the present utility model Figure 2 The enlarged view at A in;

[0017] Figure 5 is a rotary fixture for liquid crystal screen detection of the present utility model Figure 2 The enlarged view at B in;

[0018] Figure 6 is a rotary fixture for liquid crystal screen detection of the present utility model Figure 2 The enlarged view at C in;

[0019] Figure 7 is a rotary fixture for liquid crystal screen detection of the present utility model Figure 2 The enlarged view at D in.

[0020] In the figure: 1, clamping groove; 2, liquid crystal screen; 3, support frame; 4, support base; 5, horizontal sleeve; 6, ball; 7, rotating shaft; 8, vertical extension pipe; 9, vertical sleeve; 10, rotating seat; 11, roller; 12, screw; 13, clamping block; 14, threaded splicing block; 15, horizontal extension pipe; 16, first locking knob; 17, lifting groove; 18, insertion block; 19, second locking knob; 20, rotary ring; 21, third locking knob. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figure 1-7 , the present invention provides a technical solution: a rotary fixture for liquid crystal screen detection, including a clamping groove 1, a liquid crystal screen 2, a support frame 3, a support base 4, a horizontal sleeve 5, a ball 6, a rotating shaft 7, a vertical extension pipe 8, a vertical sleeve 9, a rotating seat 10, a roller 11, a screw 12, a clamping block 13, a threaded splicing block 14, a horizontal extension pipe 15, a first locking knob 16, a lifting groove 17, an insertion block 18, a second locking knob 19, a rotating ring 20 and a third locking knob 21. The inner wall of the clamping groove 1 is inserted and installed with the liquid crystal screen 2. The clamping grooves 1 are distributed in a rectangular position, and the clamping grooves 1 are horizontally telescopically connected through the vertical extension pipe 8 in the vertical sleeve 9 and the horizontal extension pipe 15 in the horizontal sleeve 5. The vertical extension pipe 8 and the horizontal extension pipe 15 are fixedly connected to the vertical sleeve 9 and the horizontal sleeve 5 through the first locking knob 16. The vertical extension pipe 8 and the horizontal extension pipe 15 are spirally spliced and installed with the clamping groove 1 through the threaded splicing block 14. In this way, the clamping groove 1 is convenient for horizontal and vertical adjustment, quick adaptation adjustment, and quick spiral disassembly and assembly of the clamping groove 1, facilitating replacement.

[0023] The clamping groove 1 is connected to the support frame 3 through the rotating ring 20 on the rotating seat 10 for front and back flipping, and the clamping groove 1 is fixedly connected to the rotating seat 10 through the third locking knob 21. In this way, the clamping groove 1 can be flipped back and forth and can be locked and positioned. The liquid crystal screen 2 is inserted and clamped with the clamping groove 1 through the clamping block 13 on the screw 12, and the lower end of the clamping block 13 is made of soft rubber material. In this way, the liquid crystal screen 2 is convenient for clamping installation, convenient for adapting to the installation of liquid crystal screens 2 with different thicknesses, and the installation is stable.

[0024] A screw rod 12 is inserted and installed at the upper end of the clamping groove 1, and a clamping block 13 is fixedly connected to the lower end of the screw rod 12. Threaded splicing blocks 14 are spirally inserted and installed on both sides of the clamping groove 1, and a vertical extension pipe 8 and a horizontal extension pipe 15 are respectively fixedly connected to one end of the threaded splicing blocks 14. A vertical sleeve 9 is sleeved on the outer wall of the vertical extension pipe 8, and a horizontal sleeve 5 is sleeved on the outer wall of the horizontal extension pipe 15. A first locking knob 16 is inserted and installed on one side of both the horizontal sleeve 5 and the vertical sleeve 9. A rotating ring 20 is installed on one side of the vertical sleeve 9, and a rotating seat 10 is rotatably connected to one end of the rotating ring 20. A third locking knob 21 is inserted and installed in the inner wall of the rotating seat 10, and a support frame 3 is installed at the lower end of the rotating seat 10. The support frame 3 is rotatably connected to the support base 4 through a rotating shaft 7, and the support frame 3 is inserted and fixedly installed with the support base 4 through an insertion block 18, so that the support frame 3 can be conveniently rotated left and right, conveniently inserted and positioned, and conveniently adjusted.

[0025] A rotating shaft 7 is installed at the central position of the lower end of the support frame 3, and a support base 4 is installed at the lower end of the rotating shaft 7. The support base 4 is of a disc structure. The ball bearings 6 and the rollers 11 are distributed at rectangular positions at the lower end of the support base 4, and the rollers 11 are fixedly connected to the support base 4 through the rollers 11, so that the support base 4 can be conveniently pushed, pulled and moved, and can be conveniently locked and fixed, and is convenient to use. A ball bearing 6 is rollingly embedded and installed on one side of the lower end of the support base 4, and a roller 11 is rollingly embedded and installed on the other side of the lower end of the support base 4. A second locking knob 19 is inserted and installed on one side of the lower end of the support base 4. A lifting groove 17 is opened at the edge of the lower end of the support frame 3, and an insertion block 18 is inserted and installed in the inner wall of the lifting groove 17. The lower end of the insertion block 18 is inserted and installed with the upper end edge of the support base 4.

[0026] Working principle: When using the rotary fixture for LCD screen detection, first insert the LCD screen 2 of the device into the clamping groove 1, and then adjust the vertical and horizontal expansion of the clamping groove 1 through the vertical extension pipe 8, the vertical sleeve 9, the horizontal sleeve 5 and the horizontal extension pipe 15 to adapt to the shape of the LCD screen 2. Then, it is clamped and fixed through the screw rod 12 and the clamping block 13. When flipping adjustment is required, it can be flipped and adjusted back and forth, left and right through the rotating shaft 7 and the rotating ring 20, and can be fixed through the insertion block 18 and the third locking knob 21. When movement is required, it can be pushed and pulled through the ball bearings 6 and the rollers 11. When fixation is required, the roller 11 can be locked and fixed through the second locking knob 19. This is the use process of the rotary fixture for LCD screen detection.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary fixture for liquid crystal display screen detection, including a clamping groove (1), and a liquid crystal display screen (2) is inserted and installed on the inner wall of the clamping groove (1), and it is characterized in that: A screw rod (12) is inserted and installed at the upper end of the clamping groove (1), and a clamping block (13) is fixedly connected to the lower end of the screw rod (12). Threaded splicing blocks (14) are spirally inserted and installed on both sides of the clamping groove (1), and a vertical extension pipe (8) and a horizontal extension pipe (15) are respectively fixedly connected to one end of the threaded splicing blocks (14). A vertical sleeve (9) is sleeved on the outer wall of the vertical extension pipe (8). A horizontal sleeve (5) is sleeved on the outer wall of the horizontal extension pipe (15), and a first locking knob (16) is inserted and installed on one side of both the horizontal sleeve (5) and the vertical sleeve (9). A rotating ring (20) is installed on one side of the vertical sleeve (9), and a rotating seat (10) is rotatably connected to one end of the rotating ring (20). A third locking knob (21) is inserted and installed in the inner wall of the rotating seat (10), and a support frame (3) is installed at the lower end of the rotating seat (10). A rotating shaft (7) is installed at the center position of the lower end of the support frame (3), and a support base (4) is installed at the lower end of the rotating shaft (7). A ball (6) is rollingly embedded and installed on one side of the lower end of the support base (4), and a roller (11) is rollingly embedded and installed on the other side of the lower end of the support base (4). A second locking knob (19) is inserted and installed at one side of the lower end of the support base (4). A lifting groove (17) is formed at the edge of the lower end of the support frame (3), and a plug block (18) is inserted and installed in the inner wall of the lifting groove (17). The lower end of the plug block (18) is inserted and installed with the upper edge of the support base (4).

2. The rotary fixture for liquid crystal display screen detection according to claim 1, wherein: The clamping grooves (1) are distributed in a rectangular position, and the clamping grooves (1) are horizontally telescopically connected through the vertical extension pipes (8) in the vertical sleeves (9) and the horizontal extension pipes (15) in the horizontal sleeves (5). The vertical extension pipes (8) and the horizontal extension pipes (15) are fixedly connected to the vertical sleeves (9) and the horizontal sleeves (5) through the first locking knobs (16). The vertical extension pipes (8) and the horizontal extension pipes (15) are spirally spliced and installed with the clamping grooves (1) through the threaded splicing blocks (14).

3. The rotary fixture for liquid crystal display screen detection according to claim 2, wherein: The clamping groove (1) is connected to the support frame (3) through the rotating ring (20) on the rotating seat (10) for front-back flipping, and the clamping groove (1) is fixedly connected to the rotating seat (10) through the third locking knob (21).

4. A rotary fixture for liquid crystal display screen detection according to claim 3, characterized in that: The liquid crystal screen (2) is inserted and clamped with the clamping groove (1) through the clamping block (13) on the screw rod (12), and the lower end of the clamping block (13) is made of soft rubber material.

5. The rotary fixture for liquid crystal display screen detection according to claim 4, wherein: The support frame (3) is rotatably connected to the support base (4) through the rotating shaft (7), and the support frame (3) is inserted and fixedly installed with the support base (4) through the plug block (18).

6. The rotary fixture for liquid crystal screen detection according to claim 5, characterized in that: The support base (4) is of a disc structure. The balls (6) and the rollers (11) are distributed in a rectangular position at the lower end of the support base (4), and the rollers (11) are fixedly connected to the support base (4) through the rollers (11).

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