CN218313429U

CN218313429U - Test fixture for display screen detection

Info

Publication number: CN218313429U
Application number: CN202222710277.6U
Authority: CN
Inventors: 童俊方
Original assignee: Yueyang Crystal Display Technology Co ltd
Current assignee: Yueyang Crystal Display Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-17
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to the technical field of LCD black and white screen detection equipment, in particular to a test fixture for detecting a display screen, which comprises a bottom frame, wherein the upper end of the bottom frame is fixedly connected with two vertical frames, the side end of the vertical frame positioned on the right side is fixedly connected with a fixed block, the approaching ends of the two vertical frames are rotatably connected with a connecting plate, the approaching ends of the two fixed blocks are fixedly connected with a connecting plate, one side of the fixed block positioned on the right side is provided with a rotary adjusting mechanism, the upper side of the connecting plate is provided with four groups of clamping mechanisms, and the upper end of the connecting plate is fixedly connected with a fixed plate; when the device works, the angle of the connecting plate is adjusted to the optimal working angle by using the rotary adjusting mechanism, then the four groups of clamping mechanisms are unlocked, the display screen to be detected is placed in the fixing plate to be prevented from falling off, and then the display screen is clamped by using the clamping mechanisms and can be detected immediately.

Description

Test fixture for display screen detection

Technical Field

The utility model relates to a LCD black and white screen check out test set technical field especially relates to the test fixture that the display screen detected usefulness.

Background

An LED display screen (LEDdisplay) is a flat panel display, which is composed of small LED module panels, is used for displaying various information such as characters, images, videos and the like, integrates microelectronic technology, computer technology and information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like.

The LED display screen testing device comprises a clamp, a display screen, a buffer mechanism, a detection platform, a buffer mechanism, a power supply and a power supply, wherein the clamp is used for fixing the LED display screen when the LED display screen is tested, then the display screen is electrified, and the LED display screen is directly observed whether to have problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the display screen that proposes detects the test fixture of usefulness.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the test fixture for detecting the display screen comprises an underframe, wherein the upper end of the underframe is fixedly connected with two vertical frames, the side end of the vertical frame positioned on the right side is fixedly connected with a fixed block, the approaching ends of the two vertical frames are rotatably connected with a connecting plate, the approaching ends of the two fixed blocks are fixedly connected with a connecting plate, one side of the fixed block positioned on the right side is provided with a rotary adjusting mechanism, the upper side of the connecting plate is provided with four groups of clamping mechanisms, and the upper end of the connecting plate is fixedly connected with a fixed plate; during operation, the angle adjustment of the connecting plate is adjusted to the optimal working angle by the aid of the rotary adjusting mechanism, then the four groups of clamping mechanisms are unlocked, a display screen to be detected is placed in the fixing plate and prevented from falling, then the display screen is clamped by the clamping mechanisms, and detection can be performed immediately.

Preferably, the four groups of clamping mechanisms are all arranged on the upper side of the connecting plate and symmetrically distributed at four corners, each group of clamping mechanism comprises a fixed frame, the fixed frame is fixedly connected to the upper end of the connecting plate, the inner wall of the fixed frame is rotatably connected with a second pressure rod, the inner wall of the fixed frame is rotatably connected with a first pressure rod, and the first pressure rod is matched with the second pressure rod; when the lifting mechanism works, the second pressing rod and the first pressing rod are separated after the second pressing rod is pulled outwards, and the lifting action can be completed by the first pressing rod at the moment.

Preferably, the side end of the first pressure lever is rotatably connected with a connecting rod, the side end of the connecting rod is rotatably connected with a clamping rod, the side end of the fixed frame is fixedly connected with a limiting rod, and the clamping rod is matched with the limiting rod; during operation, promote the second depression bar and push down first depression bar for the buffer block oppresses the display screen, detains the kelly again in the gag lever post mutually at last, compresses tightly first depression bar through the connecting rod this moment.

Preferably, a bolt is fixedly connected to the side end of the first pressure lever, a buffer block is connected to the surface of the bolt in a threaded manner, a first extension rod is fixedly connected to the upper end of the second pressure lever, and a second extension rod is fixedly connected to the side end of the clamping rod; during operation, the distance between the buffer block and the fixed plate is adjusted by rotating the buffer block so as to adapt to different thicknesses of the display screen.

Preferably, the rotary adjusting mechanism comprises a rotating rod, the rotating rod rotatably penetrates through the side end of the fixing block and is fixedly connected with the connecting plate, a hand wheel is fixedly connected with the side end of the rotating rod, and a handle is fixedly connected with the side end of the hand wheel; during operation, the rotating rod can be rotated after the hand wheel is rotated, and the rotating rod drives the connecting plate to adjust the angle.

Preferably, two sliding rods are fixedly connected to the side ends of the fixed block, clamping blocks are slidably connected to the surfaces of the two sliding rods, gears are fixedly sleeved on the surfaces of the rotating rods, and the clamping blocks are in meshed connection with the gears; when the gear locking device works, the clamping block is pushed outwards or inwards, and then the gear and the clamping block are unlocked.

Preferably, two springs are fixedly connected to the clamping block and the fixing block at positions close to each other, and the two springs are respectively sleeved on the surfaces of the two sliding rods; when the gear locking mechanism works, the clamping blocks are locked with the gear again under the action of elastic restoring forces of the two springs.

Compared with the prior art, the utility model discloses following beneficial effect has:

utilize rotation regulation mechanism to carry out the angular adjustment of connecting plate to best work angle earlier, loosen the lock with four fixture of group afterwards, will wait to detect the display screen and place and prevent to drop in the fixed plate, utilize fixture to carry the display screen afterwards, can detect immediately, the buffer block that sets up among the fixture makes and is difficult for colliding with the display screen after the display screen contact, and the testing personnel can carry out angular adjustment to testing platform, reach best work angle.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of the rotation adjusting mechanism of the present invention.

Fig. 3 is a schematic view of the clamping mechanism of the present invention.

Fig. 4 is a sectional view of the clamping mechanism of the present invention.

In the figure: 1. a chassis; 2. erecting a frame; 3. a fixed block; 4. a rotating rod; 5. a hand wheel; 6. a handle; 7. a slide bar; 8. a clamping block; 9. a spring; 10. a gear; 11. a fixing plate; 12. a fixing frame; 13. a first pressure lever; 14. a second pressure lever; 15. a first extension bar; 16. a clamping rod; 17. a second extension bar; 18. a limiting rod; 19. a bolt; 20. a buffer block; 21. a connecting plate; 22. a connecting rod.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.

The test fixture for detecting the display screen shown in fig. 1-4 comprises an underframe 1, wherein the upper end of the underframe 1 is fixedly connected with two vertical frames 2, the side end of the vertical frame 2 on the right side is fixedly connected with a fixed block 3, the adjacent ends of the two vertical frames 2 are rotatably connected with a connecting plate 21, the adjacent ends of the two fixed blocks 3 are fixedly connected with a connecting plate 21, one side of the fixed block 3 on the right side is provided with a rotary adjusting mechanism, the upper side of the connecting plate 21 is provided with four groups of clamping mechanisms, and the upper end of the connecting plate 21 is fixedly connected with a fixed plate 11; during operation, the angle of the connecting plate 21 is adjusted to the optimal working angle by the aid of the rotary adjusting mechanism, then the four groups of clamping mechanisms are unlocked, a display screen to be detected is placed in the fixing plate 11 and prevented from falling, then the display screen is clamped by the clamping mechanisms, and detection can be performed immediately.

The four groups of clamping mechanisms are all arranged on the upper side of the connecting plate 21 and symmetrically distributed at four corners, each group of clamping mechanisms comprises a fixing frame 12, the fixing frame 12 is fixedly connected to the upper end of the connecting plate 21, the inner wall of the fixing frame 12 is rotatably connected with a second pressure rod 14, the inner wall of the fixing frame 12 is rotatably connected with a first pressure rod 13, and the first pressure rod 13 is matched with the second pressure rod 14; when the lifting device works, after the second pressing rod 14 is pulled outwards, the second pressing rod 14 and the first pressing rod 13 are separated, and at the moment, the first pressing rod 13 can finish the lifting action.

The side end of the first pressure lever 13 is rotatably connected with a connecting rod 22, the side end of the connecting rod 22 is rotatably connected with a clamping rod 16, the side end of the fixed frame 12 is fixedly connected with a limiting rod 18, and the clamping rod 16 is matched with the limiting rod 18; during operation, the second pressing rod 14 is pushed to press the first pressing rod 13 downwards, so that the buffer block 20 presses the display screen, and finally the clamping rod 16 is buckled with the limiting rod 18 again, and at the moment, the first pressing rod 13 is pressed tightly through the connecting rod 22.

A bolt 19 is fixedly connected to the side end of the first pressure lever 13, a buffer block 20 is connected to the surface of the bolt 19 in a threaded manner, a first extension rod 15 is fixedly connected to the upper end of the second pressure lever 14, and a second extension rod 17 is fixedly connected to the side end of the clamping rod 16; during operation, the distance between the buffer block 20 and the fixing plate 11 is adjusted by rotating the buffer block 20 to adapt to different thicknesses of the display screen.

The rotary adjusting mechanism comprises a rotating rod 4, the rotating rod 4 penetrates through the side end of the fixing block 3 in a rotating mode and is fixedly connected with the connecting plate 21, the side end of the rotating rod 4 is fixedly connected with a hand wheel 5, and the side end of the hand wheel 5 is fixedly connected with a handle 6; during operation, the rotating rod 4 can be rotated after the hand wheel 5 is rotated, and the rotating rod 4 drives the connecting plate 21 to adjust the angle.

The side end of the fixed block 3 is fixedly connected with two slide bars 7, the surfaces of the two slide bars 7 are connected with a fixture block 8 in a sliding manner, the surface of the rotating rod 4 is fixedly sleeved with a gear 10, and the fixture block 8 is meshed with the gear 10; when the gear locking mechanism works, the clamping block 8 is pushed outwards or inwards, and then the gear 10 and the clamping block 8 are unlocked.

Two springs 9 are fixedly connected with the close ends of the clamping block 8 and the fixing block 3, and the two springs 9 are respectively sleeved on the surfaces of the two sliding rods 7; in operation, the latch 8 is locked with the gear 10 again under the elastic restoring force of the two springs 9.

The utility model discloses the theory of operation:

firstly, the angle of the connecting plate 21 is adjusted to adapt to the working habit of a tester, at this time, the fixture block 8 is pushed outwards or inwards, the gear 10 and the fixture block 8 are unlocked immediately, at this time, the rotating rod 4 can be rotated after the hand wheel 5 is rotated, the rotating rod 4 drives the connecting plate 21 to adjust the angle, the fixture block 8 is loosened after the adjustment is finished, the fixture block 8 is locked with the gear 10 again under the action of the elastic restoring force of the two springs 9, the clamping rod 16 is moved upwards to separate the clamping rod 16 from the limiting rod 18, at this time, the second pressure rod 14 is pulled outwards to drop the second pressure rod 14 and the first pressure rod 13, at this time, the first pressure rod 13 can complete the lifting action, at the time, the distance between the buffer block 20 and the fixing plate 11 is adjusted by rotating the buffer block 20, then, after the display screen is placed in the fixing plate 11, the first pressure rod 13 is pressed downwards by pushing the second pressure rod 14 to enable the display block 20 to compress the display screen, at last, the clamping rod 16 is buckled with the limiting rod 18 again, at this time, and at this time, the first pressure rod 13 is pressed by the connecting rod 22 to complete the function of fixing the display screen.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. Test fixture that display screen detected usefulness, including chassis (1), its characterized in that, two grudging posts (2) of upper end fixedly connected with of chassis (1) are located the right side end fixedly connected with fixed block (3) of grudging post (2), two the end rotation that is close to mutually of grudging post (2) is connected with connecting plate (21), two the end fixedly connected with connecting plate (21) that is close to mutually of fixed block (3) is located the right side one side of fixed block (3) is provided with rotation regulation mechanism, the upside of connecting plate (21) is provided with four sets of fixture, the upper end fixedly connected with fixed plate (11) of connecting plate (21).

2. The test fixture for detecting the display screen according to claim 1, wherein four sets of clamping mechanisms are installed on the upper side of the connecting plate (21) and symmetrically distributed at four corners, each clamping mechanism comprises a fixed frame (12), the fixed frame (12) is fixedly connected to the upper end of the connecting plate (21), the inner wall of the fixed frame (12) is rotatably connected with a second pressure lever (14), the inner wall of the fixed frame (12) is rotatably connected with a first pressure lever (13), and the first pressure lever (13) is matched with the second pressure lever (14).

3. The test fixture for detecting the display screen according to claim 2, wherein a connecting rod (22) is rotatably connected to a side end of the first pressure rod (13), a clamping rod (16) is rotatably connected to a side end of the connecting rod (22), a limiting rod (18) is fixedly connected to a side end of the fixing frame (12), and the clamping rod (16) is matched with the limiting rod (18).

4. The test fixture for detecting the display screen according to claim 3, wherein a bolt (19) is fixedly connected to a side end of the first compression bar (13), a buffer block (20) is connected to a surface of the bolt (19) in a threaded manner, a first extension rod (15) is fixedly connected to an upper end of the second compression bar (14), and a second extension rod (17) is fixedly connected to a side end of the clamping rod (16).

5. The test fixture for detecting the display screen according to claim 4, wherein the rotation adjusting mechanism comprises a rotating rod (4), the rotating rod (4) is rotatably penetrated through the side end of the fixed block (3) and fixedly connected with the connecting plate (21), a hand wheel (5) is fixedly connected with the side end of the rotating rod (4), and a handle (6) is fixedly connected with the side end of the hand wheel (5).

6. The test fixture for detecting the display screen according to claim 5, wherein two sliding rods (7) are fixedly connected to side ends of the fixing block (3), clamping blocks (8) are slidably connected to surfaces of the two sliding rods (7), a gear (10) is fixedly sleeved on the surface of the rotating rod (4), and the clamping blocks (8) are meshed with the gear (10).

7. The test fixture for detecting the display screen according to claim 6, wherein two springs (9) are fixedly connected to the adjacent ends of the fixture block (8) and the fixed block (3), and the two springs (9) are respectively sleeved on the surfaces of the two sliding rods (7).