Large LED screen easy to assemble

Abstract

The utility model discloses an LED large screen easy to assemble, which comprises a frame body, moving grooves are formed in the inner walls of the two sides of the frame body, two symmetrically arranged connecting rods are arranged between the two moving grooves, limiting blocks are arranged on the outer walls of the two connecting rods and between the two ends of the two connecting rods, clamping grooves are formed in the opposite surfaces of the multiple limiting blocks, and the clamping grooves are matched with the clamping grooves. And moving mechanisms used for moving the two connecting rods are arranged in the two moving grooves correspondingly, and pushing mechanisms used for pushing the limiting blocks are arranged between the two moving grooves and the left limiting block and the right limiting block correspondingly. The two connecting rods drive the upper limiting block and the lower limiting block to move, the upper limiting block and the lower limiting block make contact with the upper end and the lower end of the large screen, the two rotating plates push the two limiting blocks to make contact with the two sides of the large screen respectively, and therefore the large screen can be rapidly assembled, operation is easy, convenience is brought to people, and meanwhile the assembling speed is increased.

Description

Technical Field

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

[0002] Light-emitting diodes are referred to as LEDs. Made of compounds containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc., they can radiate visible light when electrons and holes recombine, so they can be used to make light-emitting diodes. They are used as indicator lights in circuits and instruments, or to form text or digital displays. Gallium arsenide diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and gallium nitride diodes emit blue light. Due to their chemical properties, they are divided into organic light-emitting diodes OLED and inorganic light-emitting diodes LED.

[0003] Currently, large LED display screens are composed of multiple small LED modules of different sizes and shapes. However, during installation, only display screens of a specific size can be installed, and screens of different sizes cannot be installed, which reduces the adaptability of the device. In addition, the installation process is relatively complicated and requires multiple operations, which not only brings trouble to people but also reduces the assembly rate. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. By making two connecting rods drive the upper and lower limit blocks to move, the upper and lower limit blocks are made to contact the upper and lower ends of the large screen, and then by making a plurality of rotating plates respectively push the two limit blocks to contact the two sides of the large screen, thereby realizing the rapid assembly of the large screen, the operation is simple, and the assembly rate is improved. An easy-to-assemble LED large screen is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An easy-to-assemble LED large screen comprises a frame, movable grooves are provided on the inner walls on both sides of the frame, two symmetrically arranged connecting rods are provided between the two movable grooves, limit blocks are provided on the outer walls of the two connecting rods and between the two ends of the two connecting rods, and the opposite surfaces of the plurality of limit blocks are provided with card grooves, a movable mechanism for moving the two connecting rods is provided in the two movable grooves, and a pushing mechanism for pushing the limit blocks is provided between the two movable grooves and the left and right limit blocks.

[0007] Preferably, the moving mechanism comprises moving blocks symmetrically arranged at both ends of the moving groove, a plurality of the moving blocks are slidably connected to the moving groove, and both ends of the two connecting rods are respectively arranged on the side walls of the plurality of moving blocks.

[0008] Preferably, the pushing mechanism comprises two symmetrically arranged matching blocks arranged in two movable grooves, and a plurality of matching block side walls and left and right limit block side walls are provided with rotating seats, and the two rotating seats are rotatably connected relative to each other via a rotating plate.

[0009] Preferably, a groove is provided at the lower end of the frame, and a rotating rod is rotatably connected through the groove and the two movable grooves.

[0010] Preferably, a first threaded area and a second threaded area are provided on the outer walls at both ends of the two rotating rods, and the multiple moving blocks are respectively arranged in the multiple first threaded areas and the multiple second threaded areas and threadedly connected thereto, and the thread rotation directions between the two first threaded areas and the second threaded areas are opposite.

[0011] Preferably, pulleys are provided on the outer walls of the two rotating rods located in the groove, and the two pulleys are connected by belt transmission, and a knob is provided at the end of one of the rotating rods.

[0012] Beneficial effects of the utility model:

[0013] 1. The upper and lower limit blocks are driven to move by two connecting rods so as to contact the upper and lower ends of the large screen. Then, the two limit blocks are pushed to contact the two sides of the large screen by multiple rotating plates, thereby realizing the rapid assembly of the large screen. The operation is simple, which brings convenience to people and improves the assembly speed.

[0014] 2. By setting a plurality of first threaded areas and a plurality of second threaded areas, and by making the thread rotation directions of the two first threaded areas and the second threaded areas opposite to each other, when the rotating rod is rotated, a plurality of limit blocks move simultaneously, thereby improving the overall linkage of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a right side schematic diagram of the overall structure of the utility model.

[0018] In the figure: 1 frame, 2 connecting rod, 3 limit block, 4 rotating seat, 5 rotating plate, 6 slot, 7 groove, 8 pulley, 9 rotating rod, 10 knob, 11 moving slot, 12 first threaded area, 13 moving block, 14 matching block, 15 second threaded area. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Reference Figure 1-3 , an easy-to-assemble LED large screen, including a frame 1, a moving groove 11 is opened on the inner walls of both sides of the frame 1, two symmetrically arranged connecting rods 2 are arranged between the two moving grooves 11, and limit blocks 3 are arranged on the outer walls of the two connecting rods 2 and between the two ends of the two connecting rods 2, and a plurality of opposite surfaces of the limit blocks 3 are provided with card slots 6, and a moving mechanism for moving the two connecting rods 2 is provided in the two moving grooves 11. The moving mechanism includes moving blocks 13 symmetrically arranged at both ends of the moving groove 11, and a plurality of moving blocks 13 are slidably connected to the moving groove 11, and the two ends of the two connecting rods 2 are respectively arranged on the side walls of the plurality of moving blocks 13. By making the two connecting rods 2 drive the upper and lower limit blocks 3 to move, the upper and lower limit blocks 3 are contacted with the upper and lower ends of the large screen, and then by making the plurality of rotating plates 5 respectively push the two limit blocks 3 to contact with the two sides of the large screen, thereby realizing the rapid assembly of the large screen, simple operation, bringing convenience to people and improving the assembly rate.

[0022] A pushing mechanism for pushing the limit blocks 3 is provided between the two movable grooves 11 and the left and right limit blocks 3. The pushing mechanism includes two symmetrically arranged matching blocks 14 arranged in the two movable grooves 11. The side walls of the multiple matching blocks 14 and the side walls of the left and right limit blocks 3 are provided with rotating seats 4. The two rotating seats 4 are rotatably connected via a rotating plate 5.

[0023] A groove 7 is formed at the lower end of the frame 1 , and a rotating rod 9 is rotatably connected between the groove 7 and the two movable grooves 11 .

[0024] A first threaded area 12 and a second threaded area 15 are provided on the outer walls at both ends of the two rotating rods 9. Multiple moving blocks 13 are respectively arranged in the multiple first threaded areas 12 and the multiple second threaded areas 15 and are threadedly connected thereto. The thread rotation directions of the two first threaded areas 12 and the second threaded areas 15 are opposite. By setting multiple first threaded areas 12 and multiple second threaded areas 15, and then by having the thread rotation directions of the two first threaded areas 12 and the second threaded areas 15 opposite, when the rotating rod 9 is rotated, multiple limit blocks 3 move simultaneously, thereby improving the overall linkage of the device.

[0025] Pulleys 8 are provided on the outer walls of the two rotating rods 9 located in the groove 7 . The two pulleys 8 are connected via a belt transmission. A knob 10 is provided at the end of one of the rotating rods 9 .

[0026] When the utility model is used, when assembling a large screen, multiple large screens are placed between multiple limit blocks 3, and one of the rotating rods 9 is rotated. The two rotating rods 9 are rotated by the transmission action of the pulley 8 and the belt between the two rotating rods 9, so that the first threaded area 12 and the second threaded area 15 on the outer wall of the two rotating rods 9 are rotated, and then the threads of the two first threaded areas 12 and the second threaded areas 15 are opposite in direction, and the threaded connection between the multiple moving blocks 13 and the matching blocks 14 and the first threaded area 12 and the second threaded area 15 is used to make the two moving blocks 13 rotate. And the matching block 14 moves relatively in the moving groove 11, and the movement of multiple moving blocks 13 drives the two connecting rods 2 to move, so that the two connecting rods 2 drive the upper and lower limit blocks 3 to move, so that the upper and lower limit blocks 3 contact the upper and lower ends of the large screen. At the same time, through the movement of multiple matching blocks 14, and the rotation connection between multiple rotating seats 4 and rotating plates 5 between multiple matching blocks 14 and the left and right limit blocks 3, the multiple rotating plates 5 respectively push the two limit blocks 3 to contact the two sides of the large screen, thereby realizing the rapid assembly of the large screen, simple operation, bringing convenience to people, and improving the assembly rate.

[0027] 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 easy-to-assemble LED large screen, comprising a frame (1), characterized in that: The frame (1) is provided with movable grooves (11) on both inner walls of the two sides, two symmetrically arranged connecting rods (2) are provided between the two movable grooves (11), and limit blocks (3) are provided between the outer walls of the two connecting rods (2) and the two ends of the two connecting rods (2), and the opposite surfaces of the plurality of limit blocks (3) are provided with clamping grooves (6), and the two movable grooves (11) are provided with movable mechanisms for moving the two connecting rods (2), and a pushing mechanism for pushing the limit blocks (3) is provided between the two movable grooves (11) and the left and right limit blocks (3).

2. The easy-to-assemble LED large screen according to claim 1, characterized in that: The moving mechanism comprises moving blocks (13) symmetrically arranged at both ends of the moving groove (11); a plurality of the moving blocks (13) are all slidably connected to the moving groove (11); and both ends of the two connecting rods (2) are respectively arranged on the side walls of the plurality of moving blocks (13).

3. The easy-to-assemble LED large screen according to claim 2, characterized in that: The pushing mechanism comprises two symmetrically arranged matching blocks (14) arranged in two movable grooves (11); a plurality of side walls of the matching blocks (14) and side walls of the left and right limit blocks (3) are provided with rotating seats (4); and the two rotating seats (4) are rotatably connected relative to each other via a rotating plate (5).

4. The easy-to-assemble LED large screen according to claim 3, characterized in that: A groove (7) is provided at the lower end of the frame (1), and a rotating rod (9) is rotatably connected through the groove (7) and the two movable grooves (11).

5. The easy-to-assemble LED large screen according to claim 4, characterized in that: A first threaded area (12) and a second threaded area (15) are provided on the outer walls at both ends of the two rotating rods (9); the plurality of moving blocks (13) are respectively arranged in the plurality of first threaded areas (12) and the plurality of second threaded areas (15) and are threadedly connected thereto; the thread rotation directions of the first threaded areas (12) and the second threaded areas (15) are opposite to each other.

6. The easy-to-assemble LED large screen according to claim 5, characterized in that: The outer walls of the two rotating rods (9) located in the groove (7) are both provided with pulleys (8), and the two pulleys (8) are connected via a belt transmission, and a knob (10) is provided at the end of one of the rotating rods (9).

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