LED grating screen

Abstract

The utility model belongs to the technical field of grating screens, particularly relates to an LED grating screen, and aims to solve the problems that an existing spring pin is arranged on the back face and needs to be pulled to move during disassembly, when the density of light bars is large, the distance is reduced, the spring pin is inconvenient to pull, a power source is connected with the light bars through wires, the installation difficulty is increased, and use is inconvenient. According to the technical scheme, the LED lamp comprises a plurality of LED lamp strips, two first aluminum back strips are fixedly arranged on one sides of the LED lamp strips, two second aluminum back strips used for being fixed to a wall are arranged on one sides of the two LED lamp strips, and a # shape is formed between the two second aluminum back strips and the two first aluminum back strips; according to the LED lamp strip, the first aluminum back strip and the second aluminum back strip are fixed together through the first clamping block and the second clamping block, the position is convenient to adjust, meanwhile, a plurality of LED lamp strips can be electrically connected through a plurality of three-way wire rows and flat cables, so that the LED lamp strips are convenient to connect and do not need to be connected through additional wires, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grille screens, in particular to an LED grille screen. Background Art

[0002] LED display is an electronic device that displays each pixel through the cooperation of LED lamp beads and electronic components.

[0003] After searching, the utility model with announcement number CN 16596782U discloses a simple installation outdoor grille screen, including side cover plates, a power box is installed between the side cover plates, and a box cover is installed on the lower surface of the power box. The utility model, by setting a spring latch, a lower clamping strip profile, a sheet metal lower buckle and a grille screen light strip profile, can realize the preliminary fixing function of the grille screen light strip profile position through the cooperation of the sheet metal lower hook and the sheet metal lower buckle assembled on the grille screen light strip profile, and realize the position fixing function of the grille screen light strip profile through the cooperation of the spring latch and the grille screen light strip profile. Through this assembly method, the combination, assembly and maintenance of the grille screen light strip profile are more convenient, and the grille screen light strip profile can also be applied to more scenes for assembly, thereby improving the versatility of the grille screen.

[0004] The grille screen also has the following disadvantages during use: it is fixed by scraper hooks, buckles and spring pins during use. Since the spring pins are on the back, they need to be pulled to move when disassembling. When the density of the light strips is large, the spacing is reduced, making it inconvenient to pull the spring pins. In addition, the power supply is connected to the light strips through wires, which increases the difficulty of installation and is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the spring pin is on the back side, and the spring pin needs to be pulled to move when disassembling. When the density of the light strip is large, the spacing is reduced, which makes it inconvenient to pull the spring pin, and the power supply is connected to the light strip through a wire, which increases the difficulty of installation and inconvenience in use. A LED grille screen is proposed to solve the shortcomings of the prior art that the spring pin is on the back side, and the spring pin needs to be pulled to move when disassembling. When the density of the light strip is large, the spacing is reduced, which makes it inconvenient to pull the spring pin, and the power supply is connected to the light strip through a wire, which increases the difficulty of installation and inconvenience in use.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An LED grille screen comprises a plurality of LED light bars, two first aluminum back bars are fixedly arranged on one side of the plurality of LED light bars, two second aluminum back bars for fixing on a wall are arranged on one side of two of the LED light bars, and a tic-tac-toe shape is formed between the two second aluminum back bars and the two first aluminum back bars;

[0008] The LED light strip is provided with a pin row inside, and a first rectangular hole corresponding to the pin row is opened at the bottom of the LED light strip, and a three-way wire row is provided in the first rectangular hole, and the three-way wire row is plugged with the pin row. The same wire row is provided in multiple three-way wire rows, and a plug plugged with a power source is fixed at one end of the wire row for supplying power to the LED light strip;

[0009] The fixing mechanism is arranged on the second aluminum back bar and is used for fixing the first aluminum back bar.

[0010] In a possible design, the fixing mechanism includes two first clamping blocks arranged in the second aluminum back strip, a second clamping block corresponding to the first clamping block is arranged inside the first aluminum back strip, a bolt is passed through the top of the second clamping block, the bolt is threadedly connected to the first clamping block, and a plurality of through holes are opened on the top of the first aluminum back strip for inserting a wrench to turn the bolt.

[0011] In a possible design, the first aluminum back bar and the second aluminum back bar are both provided with flanges on their sides close to each other, and the first clamping block and the second clamping block are respectively slidably disposed in the second aluminum back bar and the first aluminum back bar.

[0012] In a possible design, a guide column is slidably provided through the top of the second card block, and the bottom of the guide column is fixedly connected to the first card block. A placement hole corresponding to the guide column is provided at the bottom of the second card block, and a spring is sleeved on the outer wall of the guide column. The two ends of the spring are respectively fixedly connected to the first card block and the side of the placement hole close to each other. There are at least two guide columns for limiting the direction of the first card block and the second card block.

[0013] In a possible design, connecting ears compatible with the LED light strip are fixed on both sides of the three-way wire row, a first mounting hole is opened on the top of the connecting ear, a first screw is arranged in the first mounting hole, and a first threaded hole corresponding to the first mounting hole is opened at the bottom of the LED light strip, and one end of the first screw is threadedly connected in the first threaded hole.

[0014] In a possible design, two groups of second rectangular holes corresponding to the two first aluminum back strips are opened at the bottom of the LED light strip, a second threaded hole is opened at the bottom of the LED light strip, a second screw is threaded through the top of the first aluminum back strip, and one end of the second screw is threadedly connected to the second threaded hole.

[0015] In the present application, during installation, first fix the two second aluminum back strips on the wall, then fix the multiple LED light strips on the two first aluminum back strips by the second screws, insert the three-way wire row on the corresponding pin row, and fix the three-way wire row on the LED light strip by the first screw, then insert the first card block into the second card block, and adjust the spacing between the two first card blocks so that they correspond to the first aluminum back strip, then insert the first aluminum back strip into the second card block, adjust the position so that the through hole corresponds to the bolt, and then insert the wrench into the through hole to tighten the bolt, so as to drive the first card block and the second card block to approach each other, so as to fix the first aluminum back strip and the second aluminum back strip together;

[0016] When disassembly and maintenance are required, a wrench is inserted into the through hole and the bolt is turned in the opposite direction. At this time, the second clamping block and the first clamping block will move away from each other under the action of the spring, thereby releasing the fixation between the first aluminum back bar and the second aluminum back bar. At this time, the first aluminum back bar can be removed from the second aluminum back bar for maintenance.

[0017] In the utility model, the LED grille screen can connect multiple LED light bars into a whole through the setting of the first aluminum back bar and the second aluminum back bar, and will not move during use, so it is more stable to use, and is easy to install, thereby improving the efficiency of disassembly and maintenance;

[0018] In the utility model, the LED grille screen is composed of a screen body through LED light bars, a three-way wire row and a first aluminum back bar, so that its structure is simple, the weight of the LED display screen can be reduced, the permeability is improved, and the wind resistance coefficient is reduced;

[0019] In the utility model, the first aluminum back strip and the second aluminum back strip are fixed together by the first clamp block and the second clamp block, so that the installation is convenient and the position can be adjusted conveniently. At the same time, multiple LED light strips can be electrically connected through multiple three-way wire rows and wiring, so that the connection is convenient and no additional wire connection is required, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of an LED grille screen proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the exploded structure of an LED grille screen proposed by the utility model;

[0022] Figure 3 for Figure 2 Another perspective structural diagram;

[0023] Figure 4 This is a schematic diagram of a three-way line arrangement structure of an LED grille screen proposed by the utility model;

[0024] Figure 5This is a schematic diagram of the enlarged structure of part A of an LED grille screen proposed by the utility model;

[0025] Figure 6 This is a schematic diagram of the aluminum back bar connection structure of an LED grille screen proposed by the utility model;

[0026] Figure 7 This is a schematic diagram of a card block structure of an LED grille screen proposed by the utility model.

[0027] In the figure: 1. LED light strip; 2. Three-way wire row; 3. Cable row; 4. Plug; 5. First aluminum back strip; 6. First screw; 7. Second screw; 8. Connecting ear; 9. First mounting hole; 10. Pin row; 11. First rectangular hole; 12. First threaded hole; 13. Second rectangular hole; 14. Second threaded hole; 16. Through hole; 17. Second aluminum back strip; 18. Flanged edge; 19. First clamp; 20. Second clamp; 21. Guide column; 22. Placement hole; 23. Spring; 24. Bolt. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Example 1

[0030] Reference Figure 1-Figure 7 , an LED grille screen, which is used in the grille screen field, including: Figure 1 As shown, the LED grille screen of this embodiment includes a plurality of LED light bars 1, two first aluminum back bars 5 are fixedly arranged on one side of the plurality of LED light bars 1, two second aluminum back bars 17 for fixing on the wall are arranged on one side of the two LED light bars 1, and a tic-tac-toe shape is formed between the two second aluminum back bars 17 and the two first aluminum back bars 5;

[0031] A pin header 10 is provided inside the LED light strip 1, a first rectangular hole 11 corresponding to the pin header 10 is provided at the bottom of the LED light strip 1, a three-way wire row 2 is provided inside the first rectangular hole 11, the three-way wire row 2 is plugged with the pin header 10, a plurality of three-way wire rows 2 are provided with the same flat cable 3, one end of the flat cable 3 is fixedly provided with a plug 4 plugged with a power source, and is used to supply power to the LED light strip 1;

[0032] A fixing mechanism is provided on the second aluminum back bar 17 for fixing the first aluminum back bar 5. The two first aluminum back bars 5 are fixed to the two second aluminum back bars 17 through the fixing mechanism, making it easy to disassemble and assemble, and more stable during use. A plurality of LED light strips 1 are connected through the three-way wire row 2 and the wiring row 3, so that it does not require additional wire connection and is easy to use.

[0033] The fixing mechanism includes two first clamping blocks 19 arranged in the second aluminum back strip 17, and a second clamping block 20 corresponding to the first clamping block 19 is arranged inside the first aluminum back strip 5. A bolt 24 is penetrated through the top of the second clamping block 20, and the bolt 24 is threadedly connected to the first clamping block 19. A plurality of through holes 16 are opened on the top of the first aluminum back strip 5 for inserting a wrench to rotate the bolt 24. The second clamping block 20 and the first clamping block 19 are fixed together by the bolt 24, so that the first aluminum back strip 5 and the second aluminum back strip 17 can be fixed together, and it is more firm and easy to install. In addition, the setting of the through hole 16 can facilitate the insertion of the wrench into the bolt 24 and drive the bolt 24 to rotate.

[0034] The first aluminum back strip 5 and the second aluminum back strip 17 are both provided with a flange 18 on their mutually adjacent sides, and the first clamping block 19 and the second clamping block 20 are respectively slidably arranged in the second aluminum back strip 17 and the first aluminum back strip 5. By setting the flange 18, the first clamping block 19 and the second clamping block 20 can slide in the second aluminum back strip 17 and the first aluminum back strip 5 without detaching, so that it is convenient to adjust the position according to the actual installation situation.

[0035] A guide column 21 is slidably provided on the top of the second block 20, and the bottom of the guide column 21 is fixedly connected to the first block 19. A placement hole 22 corresponding to the guide column 21 is provided at the bottom of the second block 20, and a spring 23 is sleeved on the outer wall of the guide column 21. The two ends of the spring 23 are respectively fixedly connected to the first block 19 and the placement hole 22 on the side close to each other. There are at least two guide columns 21, which are used to limit the direction of the first block 19 and the second block 20. The second block 20 can be guided by the setting of the two guide columns 21. At the same time, when the bolt 24 is turned, the second block 20 and the first block 19 can automatically move away from each other under the action of the spring 23, and the second block 20 will not be separated from the first block 19.

[0036] Example 2

[0037] refer to Figure 3 and Figure 5 , an improvement on the basis of Example 1: connecting ears 8 compatible with the LED light strip 1 are fixed on both sides of the three-way wire row 2, a first mounting hole 9 is opened on the top of the connecting ear 8, a first screw 6 is arranged in the first mounting hole 9, and a first threaded hole 12 corresponding to the first mounting hole 9 is opened at the bottom of the LED light strip 1, one end of the first screw 6 is threadedly connected in the first threaded hole 12, and the contact area between the connecting ear 8 and the LED light strip 1 can be increased by setting the connecting ear 8, and the connecting ear 8 is fixed to the LED light strip 1 by the first screw 6, so that it is fixed more firmly, which can effectively prevent the three-way wire row 2 from being separated from the pin row 10.

[0038] Two groups of second rectangular holes 13 corresponding to the two first aluminum back strips 5 are provided at the bottom of the LED light strip 1, a second threaded hole 14 is provided at the bottom, a second screw 7 is threadedly provided through the top of the first aluminum back strip 5, one end of the second screw 7 is threadedly connected to the second threaded hole 14, the second rectangular holes 13 are provided to position the LED light strip 1, and the first aluminum back strip 5 and the LED light strip 1 are connected together by the second screw 7, which can improve the connection strength and will not deviate during use.

[0039] However, as is well known to those skilled in the art, the working principle and wiring method of the LED light strip 1 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An LED grille screen, comprising a plurality of LED light strips (1), characterized in that: Two first aluminum back strips (5) are fixedly provided on one side of the plurality of LED light strips (1); two second aluminum back strips (17) for fixing on a wall are provided on one side of two of the LED light strips (1); a tic-tac-toe shape is formed between the two second aluminum back strips (17) and the two first aluminum back strips (5); The LED light bar (1) is provided with a row of pins (10) inside, and a first rectangular hole (11) corresponding to the row of pins (10) is provided at the bottom of the LED light bar (1), and a three-way wire row (2) is provided inside the first rectangular hole (11), and the three-way wire row (2) is plugged into the row of pins (10), and a plurality of the three-way wire rows (2) are provided with the same flat wire (3), and a plug (4) plugged into a power source is fixed at one end of the flat wire (3) for supplying power to the LED light bar (1); The fixing mechanism is arranged on the second aluminum back strip (17) and is used to fix the first aluminum back strip (5).

2. The LED grid screen according to claim 1, characterized in that: The fixing mechanism comprises two first clamping blocks (19) arranged in the second aluminum back strip (17); a second clamping block (20) corresponding to the first clamping block (19) is arranged inside the first aluminum back strip (5); a bolt (24) is passed through the top of the second clamping block (20); the bolt (24) is threadedly connected to the first clamping block (19); and a plurality of through holes (16) are opened on the top of the first aluminum back strip (5) for inserting a wrench to rotate the bolt (24).

3. The LED grid screen according to claim 2, characterized in that: The first aluminum back strip (5) and the second aluminum back strip (17) are both provided with flanges (18) on their mutually adjacent sides, and the first clamping block (19) and the second clamping block (20) are respectively slidably arranged in the second aluminum back strip (17) and the first aluminum back strip (5).

4. The LED grid screen according to claim 3, characterized in that: A guide column (21) is slidably provided on the top of the second clamping block (20), and the bottom of the guide column (21) is fixedly connected to the first clamping block (19). A placement hole (22) corresponding to the guide column (21) is provided on the bottom of the second clamping block (20), and a spring (23) is sleeved on the outer wall of the guide column (21). The two ends of the spring (23) are respectively fixedly connected to the first clamping block (19) and the placement hole (22) on the side close to each other. There are at least two guide columns (21) for limiting the directions of the first clamping block (19) and the second clamping block (20).

5. The LED grid screen according to claim 1, characterized in that: Connecting ears (8) adapted to the LED light bar (1) are fixedly provided on both sides of the three-way wire bar (2); a first mounting hole (9) is provided on the top of the connecting ear (8); a first screw (6) is provided in the first mounting hole (9); a first threaded hole (12) corresponding to the first mounting hole (9) is provided at the bottom of the LED light bar (1); one end of the first screw (6) is threadedly connected in the first threaded hole (12).

6. The LED grid screen according to any one of claims 1 to 5, characterized in that: The bottom of the LED light strip (1) is provided with two groups of second rectangular holes (13) corresponding to the two first aluminum back strips (5), the bottom of the LED light strip (1) is provided with a second threaded hole (14), a second screw (7) is threadedly provided through the top of the first aluminum back strip (5), and one end of the second screw (7) is threadedly connected to the second threaded hole (14).

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