CN216645801U - An LED display brightness test device - Google Patents

Abstract

The utility model discloses a device for testing the brightness of an LED display screen, which specifically relates to the technical field of the LED display screen. When testing the LED display screen, it is inconvenient to adjust the LED display screen and perform multi-directional testing. When testing, it is mostly placed on the storage board, which is not stable enough, including the bottom plate and the support plate. The upper surface of the bottom plate and the inside of the support plate are provided with adjustment components. The utility model drives the screw to rotate by turning on the motor, and the screw rotation drives The sleeve plate moves upward, and finally drives the support plate to move upward. By rotating the first rotating rod, it drives the disc to rotate along the ring groove. After adjusting to a suitable position, insert the insertion rod into the corresponding socket for fixing, so as to The angle of the display screen is adjusted to facilitate the detection of different positions. The utility model places the display screen on the disc, and finally rotates the second rotating rod to make the double-headed screw rotate to drive the clamping plate to the middle to hold the display. screen to improve its stability.

Description

An LED display brightness test device

technical field

The utility model relates to the technical field of LED display screens, in particular to an LED display screen brightness testing device.

Background technique

LED display (LED display) is a kind of flat panel display, which is composed of small LED module panels. It is a device used to display various information such as text, images, videos, video signals, etc. The brightness of LED display needs to be used in the production process of LED display. test device.

The existing devices still have some problems in use:

1. When testing the LED display, it is inconvenient to adjust the LED display and perform multi-directional testing.

2. When testing the LED display, it is mostly placed on the shelf, which is not stable enough. For this reason, we propose an LED display brightness test device to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device for testing the brightness of an LED display screen to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an LED display screen brightness testing device, comprising a bottom plate and a support plate, the upper surface of the bottom plate and the interior of the support plate are provided with adjustment components;

The adjustment assembly includes a motor and a circular groove, the motor is fixedly connected to the upper surface of the bottom plate, the output end of the motor is provided with a screw, and the outer surface of the screw is threadedly sleeved with a sleeve plate, and the sleeve plate is far from the bottom of the bottom plate. A support rod is fixed on one side, the side of the support rod away from the sleeve plate is fixedly connected with the lower surface of the support plate, the circular groove is opened on the upper surface of the support plate, and the inner wall of the circular groove is provided with a ring groove, so A disc is slidably arranged in the ring groove, the disc is rotatably fitted with the circular groove, the side of the disc close to the bottom plate is fixed with a first rotating rod, and the upper surface of the support plate is connected to the upper surface of the disc. A jack is provided, and a plug rod is movably inserted in the jack;

A clamping component is slidably arranged in the disc.

As a preferred technical solution of the present invention, the clamping assembly includes a rectangular groove and a fixing groove, the rectangular groove is opened on the upper surface of the disc, and the inner wall of the rectangular groove is rotated with a double-ended screw. A clamping plate is threadedly sleeved on the outer surface of the head screw, the clamping plate is slidably fitted with the rectangular groove, the fixing groove is opened inside the disc, and the side of the double-ended screw close to the fixing groove is fixed with a connection The connecting rod penetrates through the fixing groove, and a first bevel gear is fixed on the side of the connecting rod away from the double-ended screw, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is mounted on the second bevel gear. A second rotating rod is fixed on the surface, and the second rotating rod penetrates the disc.

As a preferred technical solution of the present invention, one end of the screw rod away from the motor is fixed with a limit block.

As a preferred technical solution of the present invention, there are four support rods, and the support rod arrays are distributed on the outer surface of the sleeve plate.

As a preferred technical solution of the present invention, there are several sockets, and the circular array of sockets is distributed on the upper surface of the disc.

As a preferred technical solution of the present invention, a fixing block is fixed in the middle of the rectangular groove, and the double-ended screw penetrates the fixing block.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model drives the screw to rotate by turning on the motor, and the rotation of the screw drives the sleeve plate to move upward, and finally drives the support plate to move upward. By rotating the first rotating rod, it drives the disc to rotate along the ring groove, and adjusts to a suitable position. After the position, insert the rod into the corresponding jack for fixing, so as to adjust the angle of the display screen and facilitate the detection of different positions;

2. The utility model places the display screen on the disc, and then rotates the second lever to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, and finally the double-ended screw rotates to drive the clamp. The holding plate moves to the middle to hold the display screen and improve its stability.

Description of drawings

Fig. 1 is the structural representation of the utility model,

Fig. 2 is the structural schematic diagram of the adjusting assembly of the present invention,

FIG. 3 is a schematic structural diagram of the clamping assembly of the present invention.

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 of the present utility model.

In the figure: 1. Bottom plate; 2. Supporting plate; 3. Adjusting assembly; 31. Motor; 32. Screw rod; 321. Limit block; 33. Sleeve plate; 34. Support rod; ;37, disc; 371, first rotating rod; 38, jack; 39, insert rod; 4, clamping assembly; 41, rectangular slot; 411, fixing block; 42, double-ended screw; 43, clamping plate 44, fixed groove; 45, connecting rod; 46, the first bevel gear; 47, the second bevel gear; 48, the second lever.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment: As shown in Figures 1-4, the present utility model provides a device for testing the brightness of an LED display screen, comprising a base plate 1 and a support plate 2, and adjustment components are provided on the upper surface of the base plate 1 and the interior of the support plate 2. 3;

The adjustment assembly 3 includes a motor 31 and a circular groove 35. The motor 31 is fixedly connected to the upper surface of the base plate 1. The output end of the motor 31 is provided with a screw 32, and the end of the screw 32 away from the motor 31 is fixed with a limiter. The position block 321 is to prevent separation, the outer surface of the screw 32 is threadedly sleeved with a sleeve plate 33, and the side of the sleeve plate 33 away from the bottom plate 1 is fixedly provided with support rods 34, and the support rods 34 are provided with four, and The support rods 34 are arranged in an array on the outer surface of the sleeve plate 33, and the side of the support rods 34 away from the sleeve plate 33 is fixedly connected with the lower surface of the support plate 2. The circular grooves 35 are opened on the upper surface of the support plate 2, so The inner wall of the circular groove 35 is provided with a ring groove 36, and a circular disc 37 is slidably arranged in the circular groove 36. The circular disc 37 is rotatably fitted with the circular groove 35. There is a first rotating rod 371 , the upper surface of the support plate 2 and the upper surface of the disc 37 are provided with insertion holes 38 , the insertion holes 38 are provided with several, and the insertion holes 38 are distributed in a circular array on the upper surface of the disc 37 The surface is easy to be rotated and then fixed. The insertion rod 39 is movably inserted in the jack 38. By turning on the motor 31, it drives the screw 32 to rotate. The rotation of the screw 32 drives the sleeve plate 33 to move upward, and finally drives the support plate 2 to move upward. By rotating the first rotating rod 371 to drive the disc 37 to rotate along the ring groove 36, after adjusting to a suitable position, insert the rod 39 into the corresponding socket 38 for fixing, thereby adjusting the angle of the display screen, which is convenient for Detect different positions;

A clamping assembly 4 is slidably arranged in the disc 37 .

Further, the clamping assembly 4 includes a rectangular groove 41 and a fixing groove 44, the rectangular groove 41 is opened on the upper surface of the disc 37, a fixing block 411 is fixed in the middle of the rectangular groove 41, and the double-ended screw 42 penetrates through the fixing block 411 , the inner wall of the rectangular groove 41 is rotated with a double-ended screw 42 , and the outer surface of the double-ended screw 42 is threadedly sleeved with a clamping plate 43 , and the clamping plate 43 is slidingly attached to the rectangular groove 41 , the fixing slot 44 is opened inside the disc 37, the side of the double-ended screw 42 close to the fixing slot 44 is fixed with a connecting rod 45, the connecting rod 45 penetrates the fixing slot 44, and the connecting rod 45 is far away from the fixing slot 44. One side of the double-ended screw 42 is fixedly provided with a first bevel gear 46, the first bevel gear 46 is meshed with a second bevel gear 47, and the upper surface of the second bevel gear 47 is fixedly provided with a second rotating rod 48, The second rotating rod 48 penetrates the disc 37, first place the display screen on the disc 37, and then rotate the second rotating rod 48 to drive the second bevel gear 47 to rotate, and the second bevel gear 47 rotates to drive the first bevel gear 47 to rotate. The bevel gear 46 rotates, and finally the double-ended screw 42 rotates to drive the clamping plate 43 to move to the middle to clamp the display screen.

Working principle: When the utility model is in use, the display screen is first placed on the disc 37, and then the second bevel gear 47 is rotated by rotating the second rotating rod 48, and the second bevel gear 47 is rotated to drive the first bevel gear. 46 is rotated, and finally the double-headed screw 42 is rotated to drive the clamping plate 43 to move to the middle to clamp the display screen. Then, place the brightness tester in a suitable position and test it at the display screen. Turn on the motor 31 to drive it. The screw 32 rotates, the rotation of the screw 32 drives the sleeve plate 33 to move upward, and finally drives the support plate 2 to move upward. By rotating the first rotating rod 371, it drives the disk 37 to rotate along the ring groove 36, and after adjusting to a suitable position, the The insertion rod 39 is inserted into the corresponding jack 38 for fixing, so as to adjust the angle of the display screen and facilitate the detection of different positions.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A device for testing the brightness of an LED display screen, comprising a base plate (1) and a support plate (2), characterized in that an adjustment assembly (3) is provided on the upper surface of the base plate (1) and the interior of the support plate (2). ); The adjustment assembly (3) includes a motor (31) and a circular groove (35), the motor (31) is fixedly connected to the upper surface of the bottom plate (1), and a screw (32) is provided at the output end of the motor (31). ), the outer surface of the screw (32) is threadedly sleeved with a sleeve plate (33), and a support rod (34) is fixed on the side of the sleeve plate (33) away from the bottom plate (1), and the support rod (34) ) The side away from the sleeve plate (33) is fixedly connected with the lower surface of the supporting plate (2), the circular groove (35) is opened on the upper surface of the supporting plate (2), and the inner wall of the circular groove (35) is provided with A ring groove (36), a disc (37) is slidably arranged in the ring groove (36), the disc (37) is rotatably fitted with the circular groove (35), and the disc (37) is close to the bottom plate ( One side of 1) is fixedly provided with a first rotating rod (371), an insertion hole (38) is formed on the upper surface of the support plate (2) and the upper surface of the disc (37), and the insertion hole (38) is inserted in the insertion hole (38). The movable insert is provided with a plunger (39); A clamping assembly (4) is slidably arranged in the disc (37). 2 . The device for testing the brightness of an LED display screen according to claim 1 , wherein the clamping assembly ( 4 ) comprises a rectangular groove ( 41 ) and a fixing groove ( 44 ), and the rectangular groove ( 41 ) Opened on the upper surface of the disc (37), the inner wall of the rectangular groove (41) is rotatably provided with a double-ended screw (42), and the outer surface of the double-ended screw (42) is threadedly sleeved with a clamping plate (43), The clamping plate (43) is slidably fitted with the rectangular groove (41), the fixing groove (44) is opened inside the disc (37), and the double-ended screw (42) is close to the end of the fixing groove (44). A connecting rod (45) is fixed on one side, the connecting rod (45) penetrates the fixing groove (44), and a first bevel gear (45) is fixed on the side away from the double-ended screw (42). 46), the first bevel gear (46) is meshed with a second bevel gear (47), and a second rotating rod (48) is fixed on the upper surface of the second bevel gear (47). The rod (48) penetrates the disc (37). 3 . The device for testing the brightness of an LED display screen according to claim 1 , wherein a limit block ( 321 ) is fixedly provided at one end of the screw ( 32 ) away from the motor ( 31 ). 4 . 4 . The device for testing the brightness of an LED display screen according to claim 1 , wherein four support rods ( 34 ) are provided, and the support rod ( 34 ) array is distributed on the outer side of the sleeve plate ( 33 ). 5 . surface. 5. The device for testing the brightness of an LED display screen according to claim 1, characterized in that: the jacks (38) are provided with a plurality of jacks (38), and the jacks (38) are arranged in an annular array on the edge of the disk (37). upper surface. 6 . The device for testing the brightness of an LED display screen according to claim 2 , wherein a fixing block ( 411 ) is fixed in the middle of the rectangular slot ( 41 ), and the double-ended screw ( 42 ) penetrates the fixing block 6 . (411).

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