Display screen fixing clamp

By designing fixtures that can accommodate different sizes of displays, the problem of frequent fixture changes in LCD display production has been solved, resulting in cost reduction and improved testing efficiency.

CN224587876UActive Publication Date: 2026-08-04SHANGHAI NEW TECH IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI NEW TECH IND CO LTD
Filing Date
2025-08-15
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the current LCD screen production process, different fixtures need to be changed according to different screen sizes, which makes production troublesome and costly.

Method used

A display screen fixing fixture including a base plate, a cover plate, a first clamping component and a test component is designed. It can adapt to screens of different sizes through a movable first abutment part and a cylinder-driven roller structure. Combined with lifting and side-pushing modules, the screen position can be adjusted to achieve multi-size adaptation.

Benefits of technology

This reduces the need for fixture production and purchasing, lowers production costs for businesses, and improves the flexibility and efficiency of screen inspection.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224587876U_ABST
    Figure CN224587876U_ABST
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Abstract

This utility model discloses a display screen fixing fixture, including a base plate (3), a cover plate (1), a first clamping assembly (5), and a testing assembly (4); the cover plate (1) is fixed above the base plate (3) by screws (6); the first clamping assembly (5) includes a movable first abutment part; the screen to be tested (7) is placed on the cover plate (1); the first abutment part is used to abut the test screen (7). The display screen fixing fixture disclosed in this utility model has a testing assembly (4) used for circuit testing of the screen (7), and the movable first abutment part can be adapted to screens (7) of different sizes, thereby reducing the production or purchase of fixtures and reducing the production cost of enterprises.
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Description

Technical Field

[0001] This utility model relates to the field of clamping technology, and in particular to a display screen fixing clamp. Background Technology

[0002] An LCD screen is a flat, thin display device composed of a certain number of color or monochrome pixels, placed in front of a light source or reflector. LCD screens have low power consumption, making them popular with consumers and suitable for battery-powered electronic devices. During the production process, LCD screens undergo multiple tests using testing machines, including checks on brightness, the presence of blemishes, signs of aging, and heat dissipation performance, among other things.

[0003] However, the screen sizes vary, requiring the replacement of different sized clamps, which is very troublesome and increases production costs. Utility Model Content

[0004] This utility model specifically provides a display screen fixing clamp.

[0005] The display screen fixing fixture provided by this utility model includes a base plate (3), a cover plate (1), a first clamping assembly (5) and a test assembly (4); the cover plate (1) is fixed above the base plate (3) by screws (6); the first clamping assembly (5) includes a movable first abutment part; the screen to be tested (7) is placed on the cover plate (1); the first abutment part is used to abut the test screen (7).

[0006] Preferably, the first clamping assembly (5) further includes a first base (57) and a first connecting plate (58); the first connecting plate (58) has a U-shaped structure; a strip-shaped first through hole (56) is provided on both sides of the first connecting plate (58); a second through hole is provided on both sides of the first base (57); the first connecting plate (58) and the first base (57) are fixed together by inserting screws (6) into the first through hole (56) and the second through hole in sequence; the first base (57) is fixed to one end of the base plate (3).

[0007] Preferably, the first clamping assembly (5) further includes a first cylinder (55); the first abutting part includes a first movable block (51), a first cantilever (53), a second cantilever (54), a first roller (52), and a second roller (59); the cover plate (1) is provided with two strip-shaped third through holes (11), and the cover plate (1) is also fixed with a limiting block (13); the first clamping assembly (5) and the limiting block (13) are arranged opposite to each other; the output shaft of the first movable block (51) and the first cylinder (55) are fixed together; the first cantilever (53) and the second cantilever (54) are respectively fixed at both ends of the first movable block (51), and the three form a U-shaped structure; the first roller (52) and the second roller (59) are respectively fixed at the ends near the first cantilever (53) and the second cantilever (54); the first roller (52) and the second roller (59) extend outward from the two third through holes (11).

[0008] Preferably, the display screen fixing clamp provided by this utility model further includes a second clamping component (2); two sets of strip-shaped fourth through holes (12) are also provided on the cover plate (1); the structure of the second clamping component (2) is the same as that of the first clamping component (5); the second clamping component (2) is fixed on the base plate (3); the second clamping component (2) is arranged perpendicularly to the first clamping component (5); the first roller (52) and the second roller (59) on the second clamping component (2) extend outward from the two fourth through holes (12) respectively.

[0009] Preferably, the test assembly (4) further includes two sets of lifting modules (41), a first fixed plate (45), and a test module (44); the lifting module (41) includes a second cylinder (412) and a second movable block (411); the output shafts of the second movable block (411) and the second cylinder (412) are fixed together; the two second movable blocks (411) are respectively fixed to both ends of the first fixed plate (45); the test module (44) is fixed on the top of the first fixed plate (45).

[0010] Preferably, the test assembly (4) further includes a baffle (43) and two sets of side-push modules (42); the side-push module (42) includes a third cylinder (421) and a third movable block (422); the output shafts of the third movable block (422) and the third cylinder (421) are fixed together; both third movable blocks (422) are fixed together with the baffle (43); the baffle (43) is located above the cover plate (1) and cooperates with the test module (44); the third cylinder (421) is fixed on the base plate (3) and is arranged opposite to the second clamping assembly (2).

[0011] The display screen fixing fixture provided by this utility model has a test component (4) for performing circuit tests on the screen (7). The movable first abutment part can be adapted to screens (7) of different sizes, thereby reducing the production or purchase of fixtures and lowering the production cost of enterprises. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the display screen fixing clamp provided by this utility model; Figure 2 A first-view structural diagram of the display screen fixing clamp provided by this utility model without the cover plate installed; Figure 3 for Figure 2 A partially enlarged structural diagram; Figure 4 This is a schematic diagram of the structure of the first clamping assembly provided in an embodiment of the present utility model; Figure 5 A second-view structural diagram of the display screen fixing clamp provided by this utility model without the cover plate installed; Figure 6 for Figure 5 A partially enlarged structural diagram; Figure 7 A schematic diagram of the structure of the lifting module and the side pushing module in cooperation provided in an embodiment of this utility model; Figure 8 A schematic diagram of the assembly of the lifting module and the first fixing plate provided in an embodiment of this utility model; Figure 9 This is a schematic diagram of the side-push module structure provided in an embodiment of the present utility model; Figure 10 This is a schematic diagram of the structure of the baffle provided in an embodiment of the present utility model; Figure 11 This is a schematic diagram of the assembly of the cover plate and the first fixing plate provided in an embodiment of the present utility model. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0014] like Figures 1-11As shown, the display screen fixing fixture provided in this embodiment includes a base plate 3, a cover plate 1, a first clamping assembly 5, and a testing assembly 4. The cover plate 1 is fixed above the base plate 3 by screws 6. The first clamping assembly 5 includes a movable first abutment portion. The screen to be tested 7 is placed on the cover plate 1. The first abutment portion is used to abut the screen 7. Those skilled in the art will understand that the testing assembly 4 is used to perform circuit testing on the screen 7, and the movable first abutment portion can be adapted to screens 7 of different sizes, thereby reducing the production or purchase of fixtures and lowering the production costs for enterprises.

[0015] Furthermore, the first clamping assembly 5 also includes a first base 57 and a first connecting plate 58; the first connecting plate 58 has a U-shaped structure; each of the two side wings of the first connecting plate 58 has a strip-shaped first through hole 56; each of the two side walls of the first base 57 has a second through hole; the first connecting plate 58 and the first base 57 are fixed together by inserting screws 6 into the first through hole 56 and the second through hole in sequence; the first base 57 is fixed to one end of the base plate 3. Those skilled in the art will understand that when the size of the screen 7 being tested varies greatly, the position between the first connecting plate 58 and the first base 57 can be manually adjusted to adapt the screen 7 being tested.

[0016] Furthermore, the first clamping assembly 5 also includes a first cylinder 55; the first abutting part includes a first movable block 51, a first cantilever 53, a second cantilever 54, a first roller 52, and a second roller 59; the cover plate 1 is provided with two strip-shaped third through holes 11, and a limiting block 13 is also fixed on the cover plate 1; the first clamping assembly 5 and the limiting block 13 are arranged opposite to each other; the output shaft of the first movable block 51 and the first cylinder 55 are fixed together; the first cantilever 53 and the second cantilever 54 are respectively fixed at both ends of the first movable block 51, and the three together form a U-shaped structure; the first roller 52 and the second roller 59 are respectively fixed at the ends near the first cantilever 53 and the second cantilever 54; the first roller 52 and the second roller 59 extend outward from the two third through holes 11 respectively. Those skilled in the art will understand that the limiting block 13 is used to limit the screen 7. When the size range of the screen 7 being tested is not large, the first abutting part can be moved by the extension and retraction of the first cylinder 55, and the screen 7 can be clamped by the cooperation of the limiting block 13 and the first abutting part.

[0017] Furthermore, the display screen fixing fixture provided in this embodiment also includes a second clamping component 2; two sets of strip-shaped fourth through holes 12 are also provided on the cover plate 1; the structure of the second clamping component 2 is the same as the structure of the first clamping component 5; the second clamping component 2 is fixed on the base plate 3; the second clamping component 2 is arranged perpendicularly to the first clamping component 5; the first roller 52 and the second roller 59 on the second clamping component 2 extend outward from the two fourth through holes 12 respectively. Those skilled in the art will understand that by adding the second clamping component 2, the other side of the screen 7 can be clamped.

[0018] Furthermore, the test assembly 4 also includes two lifting modules 41, a first fixing plate 45, and a test module 44. Each lifting module 41 includes a second cylinder 412 and a second movable block 411. The output shafts of the second movable block 411 and the second cylinder 412 are fixed together. The two second movable blocks 411 are respectively fixed to both ends of the first fixing plate 45. The test module 44 is fixed to the top of the first fixing plate 45. Those skilled in the art will understand that the test module 44 is prior art and will not be described in detail here. The lifting modules 41 allow for vertical adjustment of the test module 44, thus adapting to tests on screens 7 of different thicknesses.

[0019] Furthermore, the test assembly 4 also includes a baffle 43 and two sets of side-push modules 42; each side-push module 42 includes a third cylinder 421 and a third movable block 422; the output shafts of the third movable block 422 and the third cylinder 421 are fixed together; both third movable blocks 422 are fixed to the baffle 43; the baffle 43 is located above the cover plate 1 and cooperates with the test module 44; the third cylinder 421 is fixed on the base plate 3 and is disposed opposite to the second clamping assembly 2. Those skilled in the art will understand that the side-push module 42 allows for fine-tuning of the movement direction of the baffle 43 at the ground contact of the second clamping assembly 2, thus facilitating adaptation to screens 7 of different sizes.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A display screen fixing clamp, characterized in that, The assembly includes a base plate (3), a cover plate (1), a first clamping assembly (5), and a test assembly (4); the cover plate (1) is fixed above the base plate (3) by screws (6); the first clamping assembly (5) includes a movable first abutment; the screen to be tested (7) is placed on the cover plate (1); the first abutment is used to abut the test screen (7); the first clamping assembly (5) also includes a first cylinder (55); the first abutment includes a first movable block (51), a first cantilever (53), a second cantilever (54), a first roller (52), and a second roller (59); the cover plate (1) is provided with two strip-shaped third passages. Hole (11), and a limiting block (13) is also fixed on the cover plate (1); the first clamping assembly (5) and the limiting block (13) are arranged opposite to each other; the first movable block (51) and the output shaft of the first cylinder (55) are fixed together; the first cantilever (53) and the second cantilever (54) are respectively fixed at both ends of the first movable block (51), and the three form a U-shaped structure; the first roller (52) and the second roller (59) are respectively fixed at the ends near the first cantilever (53) and the second cantilever (54); the first roller (52) and the second roller (59) extend outward from the two third through holes (11).

2. The display screen fixing clamp as described in claim 1, characterized in that, The first clamping assembly (5) further includes a first base (57) and a first connecting plate (58); the first connecting plate (58) has a U-shaped structure; a strip-shaped first through hole (56) is provided on both sides of the first connecting plate (58); a second through hole is provided on both sides of the first base (57); the first connecting plate (58) and the first base (57) are fixed together by inserting screws (6) into the first through hole (56) and the second through hole in sequence; the first base (57) is fixed to one end of the base plate (3).

3. The display screen fixing clamp as described in claim 2, characterized in that, It also includes a second clamping assembly (2); two sets of strip-shaped fourth through holes (12) are also provided on the cover plate (1); the structure of the second clamping assembly (2) is the same as that of the first clamping assembly (5); the second clamping assembly (2) is fixed on the base plate (3); the second clamping assembly (2) is arranged perpendicularly to the first clamping assembly (5); the first roller (52) and the second roller (59) on the second clamping assembly (2) extend outward from the two fourth through holes (12) respectively.

4. The display screen fixing clamp as described in claim 3, characterized in that, The test assembly (4) further includes two lifting modules (41), a first fixed plate (45), and a test module (44); the lifting module (41) includes a second cylinder (412) and a second movable block (411); the output shafts of the second movable block (411) and the second cylinder (412) are fixed together; the two second movable blocks (411) are respectively fixed to both ends of the first fixed plate (45); the test module (44) is fixed on the top of the first fixed plate (45).

5. The display screen fixing clamp as described in claim 4, characterized in that, The test assembly (4) also includes a baffle (43) and two sets of side-push modules (42); the side-push module (42) includes a third cylinder (421) and a third movable block (422); the output shafts of the third movable block (422) and the third cylinder (421) are fixed together; both third movable blocks (422) are fixed together with the baffle (43); the baffle (43) is located above the cover plate (1) and cooperates with the test module (44); the third cylinder (421) is fixed on the base plate (3) and is arranged opposite to the second clamping assembly (2).