CN218719948U - LED display screen assembly testing device - Google Patents
LED display screen assembly testing device Download PDFInfo
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- CN218719948U CN218719948U CN202222853727.7U CN202222853727U CN218719948U CN 218719948 U CN218719948 U CN 218719948U CN 202222853727 U CN202222853727 U CN 202222853727U CN 218719948 U CN218719948 U CN 218719948U
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Abstract
The utility model provides a LED display screen subassembly testing arrangement, include: the movable plate comprises a base, a rotary disk and a first movable plate, wherein the middle part of the upper surface of the base is fixedly connected with a first fixed column, the edge of the upper surface of the base is symmetrically connected with the first fixed column, the upper end of one side surface of the first fixed column is fixedly connected with the upper end of a rotary shaft, the lower end of the rotary shaft is movably connected with the middle part of the upper surface of the second fixed column through a bearing, the edge of the lower surface of the rotary disk is slidably connected with the upper surface of the first fixed plate, the middle part of the lower surface of the first movable plate is fixedly connected with a first sliding block, the first sliding block is slidably connected into a first sliding groove through a first screw rod in a threaded manner, a second sliding groove is formed in the first movable plate, the second screw rod is movably connected into the second sliding groove through a second screw rod in a threaded manner. The utility model provides a testing arrangement, lack positioning mechanism's problem when fixed display screen subassembly to improve the accuracy that detects.
Description
Technical Field
The utility model relates to a LED display screen technical field, concretely relates to LED display screen subassembly testing arrangement.
Background
The LED display screen module is one of main components forming a finished LED display screen, and mainly comprises an LED lamp, a PCB (printed Circuit Board), a driving IC (integrated Circuit), a resistor, a capacitor and a plastic sleeve, and the important technical parameter of the luminous angle of the LED display screen module is more and more emphasized, and a testing device is required to be used when the luminous angle of the LED display screen module is tested.
Through retrieval, the prior art discloses a device for testing the luminous angle of an LED display screen module (application number: CN 201720469970.5), which states that the angle rotary disc is arranged above the supporting plate and is arranged in a rotating way relative to the supporting plate; the angle pointer is fixedly arranged on the supporting plate and is arranged close to one side of the angle turntable; the module fastening mechanism is fixedly arranged on the angle turntable, and the LED display screen module to be tested fixed on the module fastening mechanism is enabled to be over against a reference scale mark in the scale mark of the angle turntable; although this testing arrangement has realized the fixed of LED display screen module, but not set up positioning mechanism, can't be in the same place the installation of the central axis of LED display screen module and the mutual coincidence of the central department axis of angle carousel, only can rely on installer's experience to remove the installation, thereby luminous angle measurement's accuracy has been reduced, and then the data that leads to obtaining often have the error, the edge of angle carousel lacks corresponding supporting mechanism simultaneously, make the display screen module install when the position of skew axis, corresponding slope can appear in the angle carousel, thereby further increase the error of detecting data.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a testing device for an LED display screen assembly is provided to solve the problems in the background art.
In order to achieve the above object, a testing device for an LED display screen assembly is provided, which comprises: the middle of the upper surface of the base is fixedly connected with a second fixing column, the edge of the upper surface of the base is symmetrically connected with the first fixing column, the upper end of one side surface of the first fixing column is fixedly connected with a first fixing plate, the middle of the upper surface of the first fixing column is fixedly connected with a pointer, the middle of the lower surface of the rotary disk is fixedly connected with the upper end of a rotary shaft, the lower end of the rotary shaft is movably connected with the middle of the upper surface of the second fixing column through a bearing, the edge of the lower surface of the rotary disk is slidably connected with the upper surface of the first fixing plate, the middle of the upper surface of the rotary disk is symmetrically provided with a first sliding groove, the first screw rod is movably connected into the first sliding groove through a bearing, one end of the first screw rod is connected with a first hand wheel through a helical gear, the first hand wheel is movably connected onto the surface of the rotary disk through a bearing, the first sliding block is slidably connected into the first sliding groove through the first screw rod which is movably connected into the second sliding groove, the second screw rod through which is movably connected into the sliding groove, one end of the second sliding block is fixedly connected with a positioning plate, one end of the second positioning plate, one end of the first positioning plate is fixedly connected with one positioning plate, and one end of the first moving plate, the moving plate is fixedly connected with an insulating layer.
Preferably, the base is of a circular structure, the second fixing column fixedly connected to the middle of the upper surface of the base is of a cylindrical structure, the shaft section formed by combining the base and the second fixing column is of a T-shaped structure, and meanwhile the height of the second fixing column is smaller than that of the first fixing column.
Preferably, the four groups of the first fixing columns are fixedly connected to the edge of the upper surface of the base, the four groups of the first fixing columns are combined together to be distributed in a cross shape, and meanwhile, the horizontal sections of the first fixing columns are of fan-shaped structures.
Preferably, one side of the first fixing column, which is close to the rotating disk, is fixedly connected with the first fixing plate, the first fixing plate is of a fan-shaped annular structure, the first fixing column and the first pointer are combined together to form a T-shaped distribution, and meanwhile, the height of the upper surface of the first fixing column is higher than that of the upper surface of the rotating disk.
Preferably, the rotating disc is of a circular structure, the cross sections of two sets of sliding chutes symmetrically formed in the middle of the upper surface of the rotating disc are of dovetail structures, and the two sets of sliding chutes are communicated through screw rods to form a string-shaped structure.
Preferably, the first movable plate is of a rectangular structure, the first sliding block fixedly connected to the middle of the lower surface of the first movable plate is of a dovetail structure, the first sliding block is matched with the first sliding groove in size, and the first movable plate and the first sliding block are combined together to form a T-shaped structure.
Preferably, the cross section of a sliding groove II formed in the first moving plate is of a convex structure, the second sliding block is matched with the second sliding groove in size, a first positioning plate fixedly connected with the first moving plate is of a rectangular structure, and the first moving plate, the first positioning plate and the positioning plate are combined together to form a [ structure ].
The beneficial effects of the utility model reside in that, the utility model discloses a LED display screen subassembly testing arrangement utilizes the cooperation of fixed column one and fixed plate one, make the edge of rotary disk can obtain corresponding support, thereby avoid the problem that the rotary disk appears the slope behind fixed display screen, reduce the error of this testing arrangement detected data then, and simultaneously, through lead screw one, slider one, the cooperation of movable plate one and insulating layer one, can be in fixed display screen subassembly, make the installation that the central axis of LED display screen subassembly and the central department axis of rotary disk coincide each other be in the same place, further reduce the error of detected data, through locating plate one, locating plate two, the cooperation of lead screw two and slider two, carry out the secondary to the display screen subassembly and fix.
Drawings
Fig. 1 is a schematic top view of an embodiment of the present invention.
Fig. 2 is a schematic side view of an embodiment of the present invention.
Fig. 3 is a schematic front view of a first moving plate and a first slider according to an embodiment of the present invention.
Fig. 4 is an enlarged schematic view of a point a in fig. 1 according to an embodiment of the present invention.
In the figure: 1. a base; 2. fixing a first column; 3. a pointer; 4. a first fixing plate; 5. rotating the disc; 6. a first positioning plate; 7. a first hand wheel; 8. moving a first plate; 9. a second positioning plate; 10. a first sliding chute; 11. a first screw rod; 12. a second sliding block; 13. fixing a second column; 14. a first insulating layer; 15. and a first sliding block.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Referring to fig. 1 to 4, the utility model provides a LED display screen subassembly testing arrangement, include: the movable plate comprises a base 1, a rotating disk 5 and a movable plate I8, wherein the middle of the upper surface of the base 1 is fixedly connected with a second fixed column 13, the edge of the upper surface of the base 1 is symmetrically connected with a first fixed column 2, the upper end of the side surface of the first fixed column 2 is fixedly connected with a first fixed plate 4, the middle of the upper surface of the first fixed column 2 is fixedly connected with a pointer 3, the middle of the lower surface of the rotating disk 5 is fixedly connected with the upper end of a rotating shaft, the lower end of the rotating shaft is movably connected with the middle of the upper surface of the second fixed column 13 through a bearing, the edge of the lower surface of the rotating disk 5 is slidably connected with the upper surface of a first fixed plate 4, the middle of the upper surface of the rotating disk 5 is symmetrically provided with a first sliding chute 10, a first screw rod 11 is movably connected into the first sliding chute 10 through a bearing, one end of the first screw rod 11 is connected with a first hand wheel 7 through a helical gear, the first hand wheel 7 is movably connected onto the surface of the rotating disk 5 through a bearing, the middle of the lower surface of the first movable plate 8 is fixedly connected with a first sliding block 15, the first screw rod 11 is slidably connected into the first sliding groove 10, the movable plate I8 is opened into the movable plate 8, a second sliding groove, a second sliding block is connected into the sliding plate, the sliding block 12 is fixedly connected into the second sliding plate, one end of the first sliding plate 9, one sliding plate 8 is fixedly connected with a first sliding plate 9, and one positioning plate 14, and one end of the first sliding plate 8 is connected with an insulation plate 8.
In the embodiment, firstly, the LED display screen assembly is placed in the middle of the upper surface of the rotating disk 5, the first hand wheel 7 is rotated, the first hand wheel 7 drives the first screw rod 11 to rotate through the helical gear, the first screw rod 11 pushes the two sets of screwed first sliders 15 to move relatively, then the first sliders 15 drive the first fixedly connected moving plate 8 to move synchronously, so that the first moving plate 8 contacts the side surface of the LED display screen assembly through the first insulating layer 14, the first moving plate 8 pushes the deviated LED display screen assembly to move correspondingly while the LED display screen assembly is fixed through the first moving plate 8 and the first insulating layer 14, so that the central axis of the LED display screen assembly and the central axis of the rotating disk 5 are installed together in a mutual coincidence mode, then, the second hand wheel is rotated to drive the second fixedly connected screw rod to rotate, and the screw rod II pushes the screwed slide block II 12 to move, so that the slide block II 12 drives the fixedly connected positioning plate II 9 to synchronously move, the insulating layer II fixedly connected with the surfaces of the positioning plate I6 and the positioning plate II 9 contacts the LED display screen assembly, then the LED display screen assembly is secondarily fixed through the matching of the positioning plate I6 and the positioning plate II 9, then a brightness tester is placed in front of the LED display screen assembly, the brightness tester is used under the authorization notice number CN106441814B, therefore, detailed description is not needed, then the rotary disk 5 is rotated, the luminous intensity is measured through the brightness tester, the rotary disk 5 stops rotating until the measured luminous intensity is greatly attenuated, and the scale mark angle aligned with the pointer 3 is the maximum luminous angle of the LED display screen assembly.
As a preferred embodiment, the base 1 is in a circular structure, the second fixing column 13 fixedly connected to the middle portion of the upper surface of the base 1 is in a cylindrical structure, the shaft section formed by combining the base 1 and the second fixing column 13 is in a T-shaped structure, and the height of the second fixing column 13 is smaller than that of the first fixing column 2.
In the embodiment, as shown in fig. 2, the height of the second fixing column 13 is smaller than that of the first fixing column 2, so that the height of the upper surface of the rotating disk 5 can be ensured to be smaller than that of the upper surface of the first fixing column 2, the pointer 3 can be slidably connected to the upper surface of the rotating disk 5, and the scale mark reading is facilitated.
As a preferred embodiment, the number of the first fixing columns 2 is four, four groups of the first fixing columns 2 are fixedly connected to the edge of the upper surface of the base 1, the four groups of the first fixing columns 2 are combined together to form a cross, and the horizontal section of the first fixing columns 2 is in a fan-shaped structure.
In this embodiment, as shown in fig. 1, one side of each of the four first fixing columns 2, which is close to the rotating disk 5, is of an arc-shaped structure, and the arc surface is matched with the size of the outer arc surface of the rotating disk 5, so that the stability of the rotating disk 5 during rotation can be improved.
In a preferred embodiment, the fixing column one 2 is fixedly connected with the fixing plate one 4 at a side close to the rotating disc 5, the fixing plate one 4 is in a fan-ring structure, the pointers 3 are grouped together, the pointers 3 and the screw rods one 11 are combined together to form a T-shaped distribution, and the height of the upper surface of the fixing column one 2 is higher than that of the upper surface of the rotating disc 5.
In this embodiment, as shown in fig. 1 and 2, the upper surface of the first fixing plate 4 is fixedly connected with a friction layer, so that the rotating disk 5 is slidably connected on the surface of the friction layer, and the friction layer can increase the friction resistance when the rotating disk 5 rotates, reduce the probability of accidental rotation of the rotating disk 5, and ensure the accuracy of the scale mark reading.
As a preferred embodiment, the rotating disc 5 is of a circular structure, the cross sections of two sets of sliding chutes 10 symmetrically formed in the middle of the upper surface of the rotating disc 5 are both of a dovetail structure, and the two sets of sliding chutes 10 are communicated through the first screw rod 11 to form a serial structure.
In the embodiment, as shown in fig. 1 and 2, the edge of the upper surface of the rotating disc 5, which is close to one side of the pointer 3, is uniformly provided with scale marks, so that the rotation angle of the rotating disc 5 can be obtained in a straight pipe, and meanwhile, the first screw rod 11 adopts a positive and negative tooth bidirectional screw rod.
As a preferred embodiment, the moving plate I8 is rectangular, the slide block I15 fixedly connected to the middle of the lower surface of the moving plate I8 is dovetail-shaped, the size of the slide block I15 is matched with that of the slide groove I10, and the moving plate I8 and the slide block I15 are combined together to form a T-shaped structure.
In the embodiment, as shown in fig. 1 and 3, the sliding slot i 10 formed in the first moving plate 8 is matched with the first sliding block i 15, so that the second positioning plate 9 can stably move, and meanwhile, the dovetail-shaped structure of the first sliding block i 15 can enhance the stability of the first sliding block i 15 during movement.
As a better implementation mode, the section of a sliding groove II formed in the first moving plate 8 is in a convex structure, the second sliding block 12 is matched with the size of the sliding groove II, the first positioning plate 6 fixedly connected with the first moving plate 8 is in a rectangular structure, and meanwhile, the first moving plate 8, the first positioning plate 6 and the second positioning plate 9 are combined together to form a [ shape structure ].
In this embodiment, as shown in fig. 3 and 4, the first insulating layer 14 is fixedly connected to the surface of the first moving plate 8, and the second insulating layer is fixedly connected to both sides of the first positioning plate 6 and the second positioning plate 9, so as to prevent the LED display panel assembly from being damaged when being fixed.
The utility model discloses a LED display screen subassembly testing arrangement can be when fixing LED display screen subassembly for the central axis of LED display screen subassembly and the installation that the center department axis of rotary disk 5 coincides each other are in the same place, and also can strengthen 5 pivoted stabilities of rotary disk.
Claims (7)
1. An LED display screen assembly testing device, comprising: base (1), rotary disk (5) and movable plate (8), its characterized in that: the middle of the upper surface of the base (1) is fixedly connected with a second fixing column (13), the edge of the upper surface of the base (1) is symmetrically connected with the first fixing column (2), the upper end of the side surface of the first fixing column (2) is fixedly connected with a first fixing plate (4), the middle of the upper surface of the first fixing column (2) is fixedly connected with a pointer (3), the middle of the lower surface of the rotating disc (5) is fixedly connected with the upper end of a rotating shaft, the lower end of the rotating shaft is movably connected with the middle of the upper surface of the second fixing column (13) through a bearing, the edge of the lower surface of the rotating disc (5) is slidably connected with the upper surface of the first fixing plate (4), the middle of the upper surface of the rotating disc (5) is symmetrically provided with a first sliding chute (10), the first screw rod (11) is movably connected into the first sliding chute (10) through a bearing, one end of the first screw rod (11) is connected with a first hand wheel (7) through a helical gear, the first hand wheel (7) is movably connected onto the surface of the rotating disc (5) through a bearing, the middle of the lower surface of the first moving plate (8) is fixedly connected with a first sliding block (15), the first sliding block (15) is fixedly connected into the sliding chute (10) through a sliding chute (12), the sliding chute (9) through a sliding plate through a sliding chute (12) through a sliding screw rod, and a sliding plate (9) through a sliding chute (12) through a sliding chute (9), one end of the first moving plate (8), which is far away from the second positioning plate (9), is fixedly connected with the first positioning plate (6), and the surface of the first moving plate (8) is fixedly connected with the first insulating layer (14).
2. The LED display screen assembly testing device according to claim 1, wherein the base (1) is of a circular structure, the second fixing column (13) fixedly connected to the middle portion of the upper surface of the base (1) is of a cylindrical structure, the axial section formed by combining the base (1) and the second fixing column (13) is of a T-shaped structure, and the height of the second fixing column (13) is smaller than that of the first fixing column (2).
3. The LED display screen assembly testing device as claimed in claim 1, wherein the number of the first fixing posts (2) is four, the four first fixing posts (2) are all fixedly connected at the edge of the upper surface of the base (1), the four first fixing posts (2) are combined together to form a cross distribution, and the horizontal section of the first fixing posts (2) is a fan-shaped structure.
4. The LED display screen assembly testing device as claimed in claim 1, wherein one side of the first fixing column (2) close to the rotating disk (5) is fixedly connected with the first fixing plate (4), the first fixing plate (4) is in a fan-shaped annular structure, the pointers (3) are in a group, the pointers (3) and the first screw rods (11) are combined together to form a T-shaped distribution, and the height of the upper surface of the first fixing column (2) is higher than that of the upper surface of the rotating disk (5).
5. The LED display screen assembly testing device as claimed in claim 1, wherein the rotary plate (5) is of a circular structure, the cross sections of two sets of first sliding grooves (10) symmetrically formed in the middle of the upper surface of the rotary plate (5) are of a dovetail structure, and the two sets of first sliding grooves (10) are communicated through a first screw rod (11) to form a serial structure.
6. The LED display screen assembly testing device as claimed in claim 1, wherein the first moving plate (8) is of a rectangular structure, the first sliding block (15) fixedly connected to the middle portion of the lower surface of the first moving plate (8) is of a dovetail structure, the first sliding block (15) and the first sliding groove (10) are matched in size, and the first moving plate (8) and the first sliding block (15) are combined together to form a T-shaped structure.
7. The LED display screen assembly testing device of claim 1, wherein a second sliding groove formed in the first moving plate (8) is of a convex structure in cross section, the second sliding block (12) is matched with the second sliding groove in size, the first positioning plate (6) fixedly connected with the first moving plate (8) is of a rectangular structure, and the first moving plate (8), the first positioning plate (6) and the second positioning plate (9) are combined together to form a [ shaped structure ].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853727.7U CN218719948U (en) | 2022-10-28 | 2022-10-28 | LED display screen assembly testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853727.7U CN218719948U (en) | 2022-10-28 | 2022-10-28 | LED display screen assembly testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218719948U true CN218719948U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222853727.7U Active CN218719948U (en) | 2022-10-28 | 2022-10-28 | LED display screen assembly testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218719948U (en) |
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2022
- 2022-10-28 CN CN202222853727.7U patent/CN218719948U/en active Active
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