CN216645801U

CN216645801U - LED display screen brightness testing device

Info

Publication number: CN216645801U
Application number: CN202122954654.6U
Authority: CN
Inventors: 刘辉
Original assignee: Henan Hongbao Photoelectric Technology Co ltd
Current assignee: Henan Hongbao Photoelectric Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-31
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a device for testing the brightness of an LED display screen, in particular to the technical field of LED display screens, which is inconvenient to adjust and test in multiple directions when testing the LED display screen, is mostly placed on a placing plate and is not stable enough when testing the LED display screen, and comprises a bottom plate and a supporting plate, wherein the upper surface of the bottom plate and the inner part of the supporting plate are both provided with adjusting components, the utility model drives a screw rod to rotate by turning on a motor, the screw rod rotates to drive a sleeve plate to move upwards, finally the supporting plate is driven to move upwards, the first rotating rod is rotated to drive a disc to rotate along an annular groove, after being adjusted to a proper position, an inserting rod is inserted into a corresponding inserting hole to be fixed, thereby adjusting the angle of the display screen and being convenient to detect different positions, the utility model places the display screen on the disc, finally drives a clamping plate to move towards the middle by rotating a second rotating rod, the display screen is clamped, and the stability of the display screen is improved.

Description

LED display screen brightness testing device

Technical Field

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

Background

An LED display screen (LEDdisplay) is a flat panel display, consists of small LED module panels, is used for displaying equipment of various information such as characters, images, videos, video signals and the like, and needs a brightness testing device in the production process of the LED display screen.

The prior device has some problems when in use:

1. when testing the LED display screen, it is inconvenient to adjust the LED display screen, carries out diversified test.

2. When testing LED display screen, mostly place on putting the thing board, it is unstable inadequately, for this reason we propose a LED display screen brightness test device and be used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a device for testing the brightness of an LED display screen, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the LED display screen brightness testing device comprises a bottom plate and a supporting plate, wherein adjusting components are arranged on the upper surface of the bottom plate and inside the supporting plate;

the adjusting assembly comprises a motor and a circular groove, the motor is fixedly connected to the upper surface of the bottom plate, a screw rod is arranged at the output end of the motor, a sleeve plate is sleeved on the outer side surface of the screw rod in a threaded manner, a supporting rod is fixedly arranged on one side, away from the bottom plate, of the sleeve plate, one side, away from the sleeve plate, of the supporting rod is fixedly connected with the lower surface of the supporting plate, the circular groove is formed in the upper surface of the supporting plate, an annular groove is formed in the inner wall of the circular groove, a disc is arranged in the annular groove in a sliding manner, the disc is rotationally attached to the circular groove, a first rotating rod is fixedly arranged on one side, close to the bottom plate, of the disc, jacks are formed in the upper surface of the supporting plate and the upper surface of the disc, and inserting rods are movably inserted in the jacks;

and a clamping assembly is arranged in the disc in a sliding manner.

According to a preferable technical scheme, the clamping assembly comprises a rectangular groove and a fixing groove, the rectangular groove is formed in the upper surface of the disc, a double-headed screw is rotatably arranged on the inner wall of the rectangular groove, a clamping plate is sleeved on the outer side surface of the double-headed screw in a threaded manner, the clamping plate is in sliding fit with the rectangular groove, the fixing groove is formed in the disc, a connecting rod is fixedly arranged on one side, close to the fixing groove, of the double-headed screw, the connecting rod penetrates through the fixing groove, a first bevel gear is fixedly arranged on one side, far away from the double-headed screw, of the connecting rod, the first bevel gear is meshed with a second bevel gear, a second rotating rod is fixedly arranged on the upper surface of the second bevel gear, and the second rotating rod penetrates through the disc.

As a preferable technical scheme of the utility model, one end of the screw rod, which is far away from the motor, is fixedly provided with a limiting block.

As a preferable technical scheme of the utility model, the number of the supporting rods is four, and the supporting rods are distributed on the outer side surface of the sleeve plate in an array manner.

As a preferable technical scheme of the utility model, the jacks are arranged in a plurality, and the jacks are distributed on the upper surface of the disc in an annular array.

As a preferred technical scheme of the utility model, the middle part of the rectangular groove is fixedly provided with a fixed block, and the double-threaded screw penetrates through the fixed block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the motor is turned on to drive the screw rod to rotate, the screw rod rotates to drive the sleeve plate to move upwards, and finally the support plate is driven to move upwards, the first rotating rod is rotated to drive the disc to rotate along the annular groove, and after the disc is adjusted to a proper position, the inserting rod is inserted into the corresponding inserting hole to be fixed, so that the angle of the display screen is adjusted, and different positions can be conveniently detected;

2. according to the utility model, the display screen is placed on the disc, then the second rotating rod is rotated 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-head screw rotates to drive the clamping plate to move towards the middle, so that the display screen is clamped, and the stability of the display screen is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention,

figure 2 is a schematic view of the adjusting assembly of the present invention,

FIG. 3 is a schematic view of a clamping assembly according to the present invention.

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. an adjustment assembly; 31. a motor; 32. a screw; 321. a limiting block; 33. sheathing; 34. a support bar; 35. a circular groove; 36. a ring groove; 37. a disc; 371. a first rotating lever; 38. a jack; 39. inserting a rod; 4. a clamping assembly; 41. a rectangular groove; 411. a fixed block; 42. a double-ended screw; 43. a clamping plate; 44. fixing grooves; 45. a connecting rod; 46. a first bevel gear; 47. a second bevel gear; 48. a second rotating rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a device for testing the brightness of an LED display screen, which comprises a bottom plate 1 and a supporting plate 2, wherein adjusting assemblies 3 are arranged on the upper surface of the bottom plate 1 and inside the supporting plate 2;

the adjusting component 3 comprises a motor 31 and a circular groove 35, the motor 31 is fixedly connected to the upper surface of the bottom plate 1, the output end of the motor 31 is provided with a screw rod 32, one end of the screw rod 32 away from the motor 31 is fixedly provided with a limiting block 321 to prevent separation, the outer side surface of the screw rod 32 is sleeved with a thread to form a sleeve plate 33, one side of the sleeve plate 33 away from the bottom plate 1 is fixedly provided with a supporting rod 34, the supporting rod 34 is provided with four supporting rods 34, the array of the supporting rods 34 is distributed on the outer side surface of the sleeve plate 33, one side of the supporting rod 34 away from the sleeve plate 33 is fixedly connected with the lower surface of the supporting plate 2, the circular groove 35 is arranged on the upper surface of the supporting plate 2, the inner wall of the circular groove 35 is provided with a circular groove 36, a circular disc 37 is slidably arranged in the circular groove 36, the circular disc 37 is rotationally attached to the circular groove 35, and a first rotating rod 371 is fixedly arranged on one side of the disc 37 close to the bottom plate 1, the upper surface of the supporting plate 2 and the upper surface of the disc 37 are provided with a plurality of insertion holes 38, the insertion holes 38 are distributed on the upper surface of the disc 37 in an annular array mode and are convenient to rotate and fix, the insertion rods 39 are movably inserted in the insertion holes 38, the insertion rods 32 are driven to rotate by turning on the motor 31, the screw 32 drives the sleeve plate 33 to move upwards and finally drives the supporting plate 2 to move upwards, the disc 37 is driven to rotate along the annular groove 36 by rotating the first rotating rod 371, and the insertion rods 39 are inserted into the corresponding insertion holes 38 to be fixed after being adjusted to a proper position, so that the angle of the display screen is adjusted, and different positions are convenient to detect;

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

Further, the clamping assembly 4 comprises a rectangular groove 41 and a fixing groove 44, the rectangular groove 41 is formed in the upper surface of the disc 37, a fixing block 411 is fixedly arranged in the middle of the rectangular groove 41, the double-headed screw 42 penetrates through the fixing block 411, a double-headed screw 42 is rotatably arranged on the inner wall of the rectangular groove 41, a clamping plate 43 is sleeved on the outer side surface of the double-headed screw 42 in a threaded manner, the clamping plate 43 is in sliding fit with the rectangular groove 41, the fixing groove 44 is formed in the disc 37, a connecting rod 45 is fixedly arranged on one side of the double-headed screw 42 close to the fixing groove 44, the connecting rod 45 penetrates through the fixing groove 44, a first bevel gear 46 is fixedly arranged on one side of the connecting rod 45 away from the double-headed screw 42, a second bevel gear 47 is meshed with the first bevel gear 46, a second rotating rod 48 is fixedly arranged on the upper surface of the second bevel gear 47, and the second rotating rod 48 penetrates through the disc 37, the display screen is firstly placed on the disc 37, and then the second rotating rod 48 is rotated to drive the second bevel gear 47 to rotate, the second bevel gear 47 rotates to drive the first bevel gear 46 to rotate, and finally the double-threaded screw 42 rotates to drive the clamping plate 43 to move towards the middle, so as to clamp the display screen.

The working principle is as follows: when the device is used, a display screen is firstly placed on the disc 37, then the second rotating rod 48 is rotated to drive the second bevel gear 47 to rotate, the second bevel gear 47 rotates to drive the first bevel gear 46 to rotate, finally the double-head screw 42 rotates to drive the clamping plate 43 to move towards the middle to clamp the display screen, then the brightness tester is placed at a proper position to be tested, the motor 31 is started to drive the screw 32 to rotate, the screw 32 rotates to drive the sleeve plate 33 to move upwards, finally the supporting plate 2 is driven to move upwards, the first rotating rod 371 rotates to drive the disc 37 to rotate along the annular groove 36, and after the proper position is adjusted, the inserting rod 39 is inserted into the corresponding inserting hole 38 to be fixed, so that the angle of the display screen is adjusted, and different positions are convenient to detect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LED display screen brightness test device, includes bottom plate (1) and backup pad (2), its characterized in that: the upper surface of the bottom plate (1) and the interior of the supporting plate (2) are both provided with adjusting components (3);

adjusting part (3) includes motor (31) and circular slot (35), motor (31) fixed connection is at the upper surface of bottom plate (1), the output of motor (31) is equipped with screw rod (32), lagging (33) is established to the outside surface screw thread cover of screw rod (32), one side that bottom plate (1) was kept away from in lagging (33) is fixed and is equipped with bracing piece (34), the lower fixed surface of being connected of one side and backup pad (2) of lagging (33) is kept away from in bracing piece (34), circular slot (35) is seted up at the upper surface of backup pad (2), annular (36) have been seted up to circular slot (35) inner wall, it is equipped with disc (37) to slide in annular (36), disc (37) rotate with circular slot (35) and laminate, disc (37) are close to one side fixed first bull stick (371) that is equipped with of bottom plate (1), backup pad (2) upper surface and the upper surface of disc jack (37) have seted up annular (38), an insertion rod (39) is movably inserted into the insertion hole (38);

and a clamping component (4) is arranged in the disc (37) in a sliding manner.

2. The LED display screen brightness testing device according to claim 1, characterized in that: the clamping assembly (4) comprises a rectangular groove (41) and a fixing groove (44), the upper surface of a disc (37) is arranged on the rectangular groove (41), a double-head screw (42) is arranged on the inner wall of the rectangular groove (41) in a rotating mode, a clamping plate (43) is sleeved on the outer side surface of the double-head screw (42) in a threaded mode, the clamping plate (43) is in sliding fit with the rectangular groove (41), the fixing groove (44) is arranged inside the disc (37), a connecting rod (45) is fixedly arranged on one side, close to the fixing groove (44), of the double-head screw (42), the connecting rod (45) penetrates through the fixing groove (44), a first bevel gear (46) is fixedly arranged on one side, far away from the double-head screw (42), of the connecting rod (45), a second bevel gear (47) is meshed with the first bevel gear (46), and a second rotating rod (48) is fixedly arranged on the upper surface of the second bevel gear (47), the second rotating rod (48) penetrates through the disc (37).

3. The LED display screen brightness testing device according to claim 1, characterized in that: and a limiting block (321) is fixedly arranged at one end of the screw rod (32) far away from the motor (31).

4. The LED display screen brightness testing device according to claim 1, characterized in that: the number of the supporting rods (34) is four, and the supporting rods (34) are distributed on the outer side surface of the sleeve plate (33) in an array mode.

5. The LED display screen brightness testing device according to claim 1, characterized in that: the jacks (38) are arranged in a plurality, and the jacks (38) are distributed on the upper surface of the disc (37) in an annular array.

6. The LED display screen brightness testing device according to claim 2, characterized in that: the fixed block (411) that is equipped with in rectangular channel (41) middle part, double-end screw (42) run through fixed block (411).