LED module and LED display screen

Abstract

The utility model relates to the technical field of LED display screens, and discloses an LED module and an LED display screen, the LED module comprises a mounting plate, a back plate and LED lamp beads, the mounting plate is provided with a plurality of mounting grooves arranged in a matrix mode, the back plate is arranged on the inner walls of the mounting grooves, the LED lamp beads are arranged in a matrix mode and fixedly connected to the outer wall of the back plate, and the LED lamp beads are arranged in the mounting grooves. Positioning grooves for positioning are formed in the inner walls of the four sides of the mounting groove, positioning blocks matched with the positioning grooves are fixedly connected to the outer walls of the four sides of the back plate, connecting parts are arranged at the four corners of the inner wall of the mounting groove, and inserting grooves and inserting cavities are formed in the connecting parts. According to the utility model, through the arrangement of the connecting part and the mounting part, the back plate can be conveniently mounted and dismounted, the back plate can be conveniently overhauled, stress can be borne in multiple directions through the design of a plurality of fixing rods, and the situation that the connection stability is affected due to looseness caused by stress on the connection part is avoided.

Description

Technical Field

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

[0002] LED display module (hereinafter referred to as module) is the main component of LED display screen. Traditional LED display module is generally composed of LED lamp, PCB board, constant current drive circuit, power connector and signal connector. It is mainly connected to LED display screen cabinet through signal connector and power connector.

[0003] The existing LED display screen is too complicated to install, and the installation efficiency is low, which is not conducive to later maintenance. In addition, the existing installation structure is prone to shaking and falling off during use, affecting the stability of the installation.

[0004] To this end, we propose an LED module and an LED display screen. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an LED module and an LED display screen.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme, an LED module and an LED display screen, including a mounting plate, a back plate and LED lamp beads, the mounting plate is provided with a plurality of mounting grooves arranged in a matrix, the back plate is arranged on the inner wall of the mounting groove, the LED lamp beads are arranged in a matrix and fixedly connected to the outer wall of the back plate, and the inner walls on the four sides of the mounting groove are provided with positioning grooves for positioning, the outer walls on the four sides of the back plate are fixedly connected with positioning blocks adapted to the positioning grooves, the four corners of the inner wall of the mounting groove are provided with connecting parts, the connecting parts are provided with plug-in grooves and plug-in cavities, the four corners of the outer wall of one side of the back plate are provided with mounting parts adapted to the connecting parts, the mounting part includes a plug-in rod and a fixing rod, the plug-in rod is provided with a driving part for driving the fixing rod to move, and the driving part includes an air box, a piston plate and a screw.

[0007] Furthermore, the plug-in rod is fixedly connected to the four corners of the outer wall of the back plate away from the LED lamp beads, and a plurality of first sliding holes arranged in a circle are opened on the vertical axial inner wall of the plug-in rod. The fixed rod is slidably connected to the inner wall of the first sliding hole, and the plug-in cavity is arranged in a circle on the vertical axial inner wall of the plug-in slot. The plug-in rod and the fixed rod are respectively adapted to the plug-in slot and the plug-in cavity.

[0008] Furthermore, the air box is fixedly connected to the inner wall of the plug-in rod, the bottom and top of the air box are cylindrical, a plurality of second sliding holes arranged in a circle and located on the same axis as the first sliding hole are opened at the bottom of the outer wall of the air box, the fixed rod is slidably connected to the inner wall of the second sliding hole, and a third sliding hole is opened at the top of the outer wall of the air box, the piston plate is slidably connected to the inner wall of the third sliding hole, the air box is a hollow structure and is filled with inert gas between the fixed rod and the piston plate.

[0009] Furthermore, a rotating hole is opened in the axial position of one end of the connecting rod away from the back plate, the screw rod is rotatably connected to the inner wall of the rotating hole, a fixed plate is fixedly connected to the axial position of one end of the screw rod, both ends of the outer wall of the fixed plate are fixedly connected to limiting columns, and a threaded hole is opened in the piston plate, and the screw rod is threadedly connected to the inner wall of the threaded hole.

[0010] Furthermore, a rotating groove is formed at one end of the plug-in slot, a connecting disk is rotatably connected to the inner wall of the rotating groove, a transmission rod is axially fixedly connected to one end of the connecting disk, and a knob is axially fixedly connected to one end of the transmission rod away from the connecting disk.

[0011] Furthermore, both ends of the inner walls of the second sliding hole and the third sliding hole are provided with limit grooves for limiting, both ends of the outer wall of the piston plate are fixedly connected with second guide rails adapted to the limit grooves, and the outer wall of the fixing rod close to one end of the air box is fixedly connected with a first guide rail adapted to the limit grooves.

[0012] Furthermore, a plurality of guide grooves arranged in a circumference are provided at one end of the connection disk close to the fixed disk, the guide grooves are concave, and a limiting hole is provided at the axial position of the guide groove, and the limiting hole is adapted to the limiting column.

[0013] Beneficial Effects

[0014] The utility model provides an LED module and an LED display screen, which have the following beneficial effects:

[0015] (1) The LED module and LED display screen can conveniently install and disassemble the back panel through the provided connection part and installation part, which is convenient for the maintenance of the back panel. The design of multiple fixing rods can bear stress in multiple directions to avoid loosening of the connection due to stress, which affects the stability of the connection.

[0016] (2) This LED module and LED display screen can limit the rotation of the fixed rod and the piston plate by setting a limit groove, a first guide rail and a second guide rail, thereby preventing the fixed rod and the piston plate from deflecting when sliding, causing the inert gas in the air box to leak through the gaps caused by the deflection, thereby affecting the normal operation of the equipment.

[0017] (3) This LED module and LED display screen, through the provided guide groove and limit hole, when the limit post and the limit hole are misaligned, the limit post can squeeze the connecting disk through the concave surface of the guide groove, causing the connecting disk to deflect, and turn the limit post and the limit hole to be located on the same axis. The limit post is inserted into the limit hole to avoid misalignment between the limit post and the limit hole, which affects the connection between the two and further affects the adjustment of the position of the fixing rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the front view of the utility model;

[0019] Figure 2 This is a cross-sectional view of the utility model;

[0020] Figure 3 For this utility model Figure 2 A magnified view of part A;

[0021] Figure 4 It is a detailed view of the air box, fixed rod and piston plate of the utility model;

[0022] Figure 5 This is a detailed view of the connection disk of the utility model.

[0023] Legend: 1. Mounting plate; 2. Back plate; 3. LED lamp beads; 4. Positioning block; 5. Plug-in rod; 6. Air box; 7. Fixing rod; 8. Piston plate; 9. Screw rod; 10. Fixing plate; 11. Connecting plate; 12. Transmission rod; 13. Knob; 14. Limiting column; 15. Limiting slot; 16. First guide rail; 17. Second guide rail; 18. Guide slot; 19. Limiting hole. DETAILED DESCRIPTION

[0024] Embodiment 1: An LED module and an LED display screen, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes a mounting plate 1, a back plate 2 and LED lamp beads 3, the mounting plate 1 is provided with a plurality of mounting grooves arranged in a matrix, the back plate 2 is arranged on the inner wall of the mounting groove, the LED lamp beads 3 are arranged in a matrix and fixedly connected to the outer wall of the back plate 2, and the inner walls on four sides of the mounting groove are provided with positioning grooves for positioning, the outer walls on four sides of the back plate 2 are fixedly connected with positioning blocks 4 adapted to the positioning grooves, the inner wall of the mounting groove is provided with connecting parts at four corners, the connecting parts are provided with plug-in grooves and plug-in cavities, the outer wall on one side of the back plate 2 is provided with mounting parts adapted to the connecting parts at four corners, the mounting part includes a plug-in rod 5 and a fixing rod 7, the plug-in rod 5 is provided with a driving part for driving the fixing rod 7 to move, and the driving part includes an air box 6, a piston plate 8 and a screw 9.

[0025] The plug-in rod 5 is fixedly connected to the four corners of the outer wall of the back plate 2 away from the LED lamp bead 3. The vertical axial inner wall of the plug-in rod 5 is provided with a plurality of first sliding holes arranged in a circle. The fixing rod 7 is slidably connected to the inner wall of the first sliding hole. The plug-in cavity is arranged in a circle on the vertical axial inner wall of the plug-in slot. The plug-in rod 5 and the fixing rod 7 are respectively adapted to the plug-in slot and the plug-in cavity.

[0026] The air box 6 is fixedly connected to the inner wall of the plug-in rod 5, and the bottom and top of the air box 6 are both cylindrical. A plurality of second sliding holes arranged in a circle and located on the same axis as the first sliding hole are opened at the bottom of the outer wall of the air box 6. The fixed rod 7 is slidably connected to the inner wall of the second sliding hole, and a third sliding hole is opened at the top of the outer wall of the air box 6. The piston plate 8 is slidably connected to the inner wall of the third sliding hole. The air box 6 is a hollow structure and is filled with inert gas between the fixed rod 7 and the piston plate 8.

[0027] A rotating hole is opened at the axial position of one end of the plug-in rod 5 away from the back plate 2, and the screw rod 9 is rotatably connected to the inner wall of the rotating hole. A fixed disk 10 is fixedly connected to the axial position of one end of the screw rod 9, and both ends of the outer wall of the fixed disk 10 are fixedly connected to the limiting columns 14, and a threaded hole is opened in the piston plate 8, and the screw rod 9 is threadedly connected to the inner wall of the threaded hole.

[0028] A rotating groove is provided at one end of the plug slot, a connecting disc 11 is rotatably connected to the inner wall of the rotating groove, a transmission rod 12 is axially fixedly connected to one end of the connecting disc 11, and a knob 13 is axially fixedly connected to the end of the transmission rod 12 away from the connecting disc 11.

[0029] like Figure 4 As shown, both ends of the inner walls of the second sliding hole and the third sliding hole are provided with limit grooves 15 for limiting, both ends of the outer wall of the piston plate 8 are fixedly connected with second guide rails 17 adapted to the limit grooves 15, and the outer wall of the fixing rod 7 close to one end of the air box 6 is fixedly connected with a first guide rail 16 adapted to the limit grooves 15.

[0030] By setting the limiting groove 15, the first guide rail 16 and the second guide rail 17, the rotation of the fixed rod 7 and the piston plate 8 can be limited to prevent the fixed rod 7 and the piston plate 8 from deflecting when sliding, causing the inert gas in the air box 6 to leak through the gaps caused by the deflection, thereby affecting the normal operation of the equipment.

[0031] like Figure 5 As shown, a plurality of guide grooves 18 arranged in a circumference are formed on one end of the connection plate 11 close to the fixed plate 10 . The guide grooves 18 are concave in shape, and a limiting hole 19 is formed in the axial position of the guide groove 18 . The limiting hole 19 is matched with the limiting column 14 .

[0032] By setting the guide groove 18 and the limiting hole 19, when the limiting column 14 and the limiting hole 19 are misaligned, the limiting column 14 can squeeze the connecting disk 11 through the concave surface of the guide groove 18, causing the connecting disk 11 to deflect until the limiting column 14 and the limiting hole 19 are located on the same axis. The limiting column 14 is inserted into the limiting hole 19 to avoid misalignment between the limiting column 14 and the limiting hole 19, which affects the connection between the two and further affects the adjustment of the position of the fixing rod 7.

[0033] In summary, through the provided connecting part and installing part, the back panel 2 can be easily installed and disassembled, which facilitates the maintenance of the back panel 2, and the design of multiple fixing rods 7 can bear stress in multiple directions, avoiding looseness caused by stress at the connection and affecting the stability of the connection.

[0034] The working principle of the utility model is as follows: when it is necessary to install the mounting plate 1 and the back plate 2, the positioning block on the back plate 2 is aligned with the positioning slot on the mounting plate 1 and inserted, at this time, the plug-in rod 5 can be inserted into the plug-in slot on the mounting plate 1, and the limiting column 14 on the fixing disk 10 at one end of the plug-in rod 5 can be inserted into the limiting hole 19 on the connecting disk 11 and connected with the connecting disk 11. Next, the knob 13 is turned, and the rotation of the knob 13 can drive the fixing disk 10 to rotate through the transmission rod 12 and the connecting disk 11 and the limiting column 14 inserted therein, and then drive the screw rod 9 to rotate, and the screw rod 9 can drive the piston plate 8 threadedly connected thereon to slide in the third sliding hole of the screw rod 9, so as to squeeze the inert gas in the air box 6, and the fixing rod 7 can be squeezed by air pressure. The fixing rod 7 is squeezed and can slide in the first sliding hole and the second sliding hole and be inserted into the plug-in cavity in the plug-in slot for fixing. When disassembly is required, only the knob 13 needs to be rotated in the opposite direction.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An LED module, comprising a mounting plate (1), a back plate (2) and LED lamp beads (3), characterized in that: The mounting plate (1) is provided with a plurality of mounting grooves arranged in a matrix, the back plate (2) is arranged on the inner wall of the mounting groove, the LED lamp beads (3) are arranged in a matrix and fixedly connected to the outer wall of the back plate (2), and the inner walls on four sides of the mounting groove are provided with positioning grooves for positioning, and the outer walls on four sides of the back plate (2) are fixedly connected with positioning blocks (4) adapted to the positioning grooves, and the inner wall of the mounting groove is provided with connecting parts at four corners, and the connecting parts are provided with plug-in grooves and plug-in cavities, and the outer wall of one side of the back plate (2) is provided with mounting parts adapted to the connecting parts at four corners, and the mounting parts include plug-in rods (5) and fixed rods (7), and the plug-in rods (5) are provided with a driving part for driving the fixed rods (7) to move, and the driving part includes an air box (6), a piston plate (8) and a screw rod (9).

2. The LED module according to claim 1, characterized in that: The plug-in rod (5) is fixedly connected to the four corners of the outer wall of the back plate (2) away from the LED lamp bead (3); a plurality of first sliding holes arranged in a circumferential manner are opened on the vertical axial inner wall of the plug-in rod (5); the fixing rod (7) is slidably connected to the inner wall of the first sliding hole; the plug-in cavity is arranged in a circumferential manner on the vertical axial inner wall of the plug-in slot; the plug-in rod (5) and the fixing rod (7) are respectively adapted to the plug-in slot and the plug-in cavity.

3. The LED module according to claim 1, characterized in that: The air box (6) is fixedly connected to the inner wall of the plug-in rod (5), the bottom and top of the air box (6) are both cylindrical, a plurality of second sliding holes arranged in a circle and located on the same axis as the first sliding hole are opened at the bottom of the outer wall of the air box (6), the fixed rod (7) is slidably connected to the inner wall of the second sliding hole, and a third sliding hole is opened at the top of the outer wall of the air box (6), the piston plate (8) is slidably connected to the inner wall of the third sliding hole, the air box (6) is a hollow structure and is filled with inert gas between the fixed rod (7) and the piston plate (8).

4. The LED module according to claim 3, characterized in that: A rotating hole is provided at an axial position of one end of the plug rod (5) away from the back plate (2), the screw rod (9) is rotatably connected to the inner wall of the rotating hole, a fixed plate (10) is fixedly connected to the axial position of one end of the screw rod (9), both ends of the outer wall of the fixed plate (10) are fixedly connected to limiting columns (14), and a threaded hole is provided in the piston plate (8), and the screw rod (9) is threadedly connected to the inner wall of the threaded hole.

5. The LED module according to claim 4, characterized in that: A rotating groove is provided at one end of the plug-in slot, a connecting disc (11) is rotatably connected to the inner wall of the rotating groove, a transmission rod (12) is fixedly connected to one end of the connecting disc (11) in an axial position, and a knob (13) is fixedly connected to one end of the transmission rod (12) away from the connecting disc (11) in an axial position.

6. The LED module according to claim 5, characterized in that: Both ends of the inner walls of the second sliding hole and the third sliding hole are provided with limiting grooves (15) for limiting, and both ends of the outer wall of the piston plate (8) are fixedly connected with second guide rails (17) adapted to the limiting grooves (15), and the outer wall of one end of the fixing rod (7) close to the air box (6) is fixedly connected with a first guide rail (16) adapted to the limiting grooves (15).

7. The LED module according to claim 5, characterized in that: The connecting disk (11) is provided with a plurality of guide grooves (18) arranged in a circumferential manner at one end close to the fixed disk (10); the guide grooves (18) are concave in shape, and a limiting hole (19) is provided at an axial position of the guide groove (18); the limiting hole (19) is adapted to the limiting column (14).

8. An LED display screen, characterized in that: The LED module comprises the LED module according to any one of claims 1 to 7.

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