COB display screen with anti-seismic effect

Abstract

The utility model relates to the technical field of COB display screens, in particular to a COB display screen with an anti-seismic effect, and aims to solve the problem that the anti-seismic effect of the display screen is reduced due to the fact that an energy-absorbing hose is deformed after being impacted for many times, the COB display screen comprises a machine shell and a damping mechanism, and the damping mechanism is arranged in the machine shell. Through cooperation of the T-shaped rod, the barrel, the first permanent magnet and the second permanent magnet, impact force borne by the display screen body is preliminarily absorbed through repulsive force of the first permanent magnet and the second permanent magnet, air on the inner wall of a sliding barrel can be compressed through cooperation of a first sliding plate and a second sliding plate when a sliding column moves, the air pressure in the sliding barrel is increased, and the display screen body is prevented from being damaged. Meanwhile, a second sliding plate can compress a spring under the action of air pressure, so that the spring shrinks, the second sliding plate is far away from a sliding barrel, then the impact force is absorbed again, mutual collision between the damping mechanisms is not needed when the impact force is absorbed, deformation of the damping mechanisms is effectively avoided, and the damping effect on the display screen body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to COB display screen technical field, concretely relates to a COB display screen with shock resistance effect. BACKGROUND

[0002] COB display screen is a kind of display technology, is widely used in LED display screen field, its characteristics are in LED chip is directly installed on the circuit board, and is not installed by traditional packaging mode (such as SMD).This way makes COB display screen possess some unique advantages.

[0003] With reference to patent literature publication No. CN211858001U, a COB display screen with shock resistance effect, comprising: display screen body, the top opening protection frame equipped with, heat dissipation part and two groups of shock resistance components, the display screen body is embedded in the protection frame inside, the heat dissipation part is installed at the protection frame bottom end center, two groups of the shock resistance components are matched and installed in the protection frame inside top end, bottom end.The utility model utilizes the action of buffer spring, can stably slide absorption to the impact force received by display screen body, improves the overall good shock resistance effect of device, and in the process of display screen body movement, linkage guide rod slides in the buffer frame inside, simultaneously under the energy absorption effect of energy absorption hose, can further absorb the impact force of outside, simultaneously under the interaction of buffer spring, guarantees the overall energy absorption of device comprehensiveness, simultaneously guarantees the overall buffer intensity, avoids the secondary damage to display screen body.

[0004] The above scheme can buffer display screen when in use, but there are still some deficiencies in the actual use process, for example, only rely on spring and energy absorption hose to absorb impact force when in use, but energy absorption hose will deform after being impacted for many times, resulting in the decline of the shock resistance effect of display screen, causing display screen damage. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a COB display screen with shock resistance effect to solve the problem that energy absorption hose will deform after being impacted for many times in the background technology, resulting in the decline of the shock resistance effect of display screen.

[0006] To achieve the above object, the utility model provides the following technical scheme: A COB display screen with anti shock effect, including the shell and damping mechanism, the damping mechanism sets up in the inside of shell, the damping mechanism includes two groups of cylinder body installed in the inner wall of shell, the front surface of each cylinder body is equipped with slide hole, the inner wall of each slide hole is connected with T type rod, the rear end of each T type rod is fixedly installed with first permanent magnet block, the inner wall of each cylinder body is fixedly installed with second permanent magnet block, the front surface of two groups of T type rods is fixedly installed with display screen body in common, each first permanent magnet block is repelled with second permanent magnet block, the inner wall of shell is fixedly installed with slide cylinder, the inner wall of each slide cylinder is connected with first slide plate, the front surface of each first slide plate is fixedly installed with slide post, the front end of each slide post is fixedly installed with the back of display screen body, the side of two groups of slide cylinders far from each other is fixedly connected with sealed pipe, the inner wall of each sealed pipe is fixedly installed with spring, the end of two groups of springs close to each other is fixedly installed with second slide plate, two groups of second slide plates are connected with two groups of sealed pipes in sliding mode respectively.

[0007] Further, the inside of each slide cylinder is provided with a top block, the rear end of two groups of top blocks is fixedly installed with the inner wall of two groups of slide cylinders respectively.

[0008] Further, the side of two groups of second slide plates close to each other is fixedly installed with first sealing pad, the back of each first slide plate is fixedly installed with second sealing pad.

[0009] Further, the side of two groups of slide cylinders close to each other is fixedly installed with arc plate, the back of each arc plate is fixedly installed with the inner wall of shell.

[0010] Further, the inner wall of each cylinder body is fixedly installed with fixed ring, the back of each fixed ring is fixedly installed with the inner wall of shell.

[0011] Further, the inner wall of shell is fixedly installed with two slide pipes, the inner wall of each slide pipe is connected with slide rod in sliding mode, the front end of each slide rod is fixedly installed with the back of display screen body.

[0012] Further, the outer surface of display screen body is sleeved with limiting frame, the back of limiting frame is fixedly installed with the front surface of shell.

[0013] Further, the back of shell is fixedly installed with two groups of mounting plates, the front surface of each mounting plate is fixedly installed with limiting hole.

[0014] Compared with the prior art, the display screen body is subjected to the impact force, the repulsive force of the first permanent magnet block and the second permanent magnet block is utilized to preliminarily absorb the impact force, the first sliding plate and the second sliding plate are matched, the air in the inner wall of the sliding cylinder is compressed when the sliding column moves, the air pressure in the sliding cylinder is increased, the spring is compressed under the action of the air pressure, the spring is contracted, the second sliding plate is away from the sliding cylinder, and the impact force is further absorbed, so that the shock-absorbing mechanisms do not need to collide with each other when absorbing the impact force, the deformation of the shock-absorbing mechanisms is effectively avoided, and the shock-absorbing effect on the display screen body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a inner wall structure schematic view of the utility model;

[0017] Figure 3 It is a cylinder side sectional view three-dimensional structure schematic view of the utility model;

[0018] Figure 4 It is a sliding cylinder side sectional view three-dimensional structure schematic view of the utility model.

[0019] Wherein, the reference sign is: 1, the casing;101, the limit frame;102, the mounting plate;2, the display screen body;3, the shock-absorbing mechanism;301, the cylinder;302, T-shaped rod;303, sliding column;304, sealing tube;305, sliding cylinder;306, second permanent magnet block;307, sliding hole;308, spring;309, second sliding plate;310, first sliding plate;311, first permanent magnet block;4, arc plate;5, fixed ring;6, sliding pipe;601, sliding rod;7, first sealing pad;701, second sealing pad;8, top block.

[0020] The realization, functional characteristics and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0021] It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0022] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0023] In the description of the utility model, it should be explained that, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0025] Please refer to Figures 1 to 4The utility model provides a technical scheme: a COB display screen with anti shock effect, including casing 1 and damping mechanism 3, damping mechanism 3 sets up in the inside of casing 1, damping mechanism 3 includes two groups of cylinder body 301 installed in the inner wall of casing 1, the front surface of each cylinder body 301 is all seted up with slide hole 307, the inner wall of each slide hole 307 is all connected with T type rod 302, the rear end of each T type rod 302 is all fixedly installed with first permanent magnet block 311, the inner wall of each cylinder body 301 is all fixedly installed with second permanent magnet block 306, the front surface of two groups of T type rod 302 is commonly fixedly installed with display screen body 2, each first permanent magnet block 311 is all repelled with second permanent magnet block 306, the inner wall of casing 1 is fixedly installed with slide cylinder 305, the inner wall of each slide cylinder 305 is all connected with first sliding plate 310, the front surface of each first sliding plate 310 is all fixedly installed with slide post 303, the front end of each slide post 303 is all fixedly installed with the back of display screen body 2, the side of two groups of slide cylinder 305 away from each other is all fixedly communicated with sealed tube 304, the inner wall of each sealed tube 304 is all fixedly installed with spring 308, the end of two groups of spring 308 close to each other is all fixedly installed with second sliding plate 309, and two groups of second sliding plate 309 are connected with two groups of sealed tube 304 slidingly respectively.

[0026] In the above embodiment, the casing 1 is installed through the mounting plate 102 during use, and the repulsion force between the first permanent magnet block 311 and the second permanent magnet block 306 can make the first permanent magnet block 311 and the second permanent magnet block 306 move away from each other during use. When subjected to vibration, the repulsion force between the first permanent magnet block 311 and the second permanent magnet block 306 can preliminarily absorb the impact force during vibration, and the slide post 303 can make the first sliding plate 310 press the slide cylinder 305 when subjected to vibration, so that the air pressure of the slide cylinder 305 increases. With the increase of the air pressure inside the slide cylinder 305, the second sliding plate 309 can compress the spring 308 to release the pressure inside the slide cylinder 305, thereby secondarily absorbing the impact force during vibration and ensuring the damping effect on the display screen body 2.

[0027] It is worth noting that a certain gap is reserved between the back of the display screen body 2 and the inner wall of the casing 1 during installation, so that the display screen body 2 has a certain activity space when subjected to vibration, further improving the damping effect. The connection between the slide cylinder 305 and the sealed tube 304 is designed with a sealing structure to prevent gas leakage and ensure the stability of the air pressure inside the slide cylinder 305, thereby ensuring the normal work of the damping mechanism.

[0028] In an embodiment, please refer to Figure 4The inner part of each sliding cylinder 305 is provided with a top block 8, the rear ends of the two groups of top blocks 8 are fixedly installed on the inner walls of the two groups of sliding cylinders 305, the first sliding plate 310 can be limited through the top block 8, the first sliding plate 310 is prevented from moving to the middle part of the sealing pipe 304, and gas leakage is avoided.

[0029] In an embodiment, please refer to Figure 4 The side face of each of the two groups of second sliding plates 309 close to each other is fixedly installed with a first sealing gasket 7, and the back face of each first sliding plate 310 is fixedly installed with a second sealing gasket 701, the sealing performance of the sliding cylinder 305 and the sealing pipe 304 can be increased through the first sealing gasket 7 and the second sealing gasket 701, and gas leakage is effectively prevented.

[0030] In an embodiment, please refer to Figure 2 The side face of each of the two groups of sliding cylinders 305 close to each other is fixedly installed with an arc-shaped plate 4, and the back face of each arc-shaped plate 4 is fixedly installed on the inner wall of the shell 1, the sliding cylinder 305 can be reinforced through the arc-shaped plate 4, and loosening of the sliding cylinder 305 is avoided.

[0031] In an embodiment, please refer to Figure 2 The inner wall of each cylinder body 301 is fixedly installed with a fixed ring 5, and the back face of each fixed ring 5 is fixedly installed on the inner wall of the shell 1, the cylinder body 301 can be reinforced through the fixed ring 5, and loosening of the cylinder body 301 is prevented.

[0032] In an embodiment, please refer to Figure 2 The inner wall of each sliding pipe 6 is slidably connected with a sliding rod 601, and the front end of each sliding rod 601 is fixedly installed on the back face of the display screen body 2, the display screen body 2 can be guided through the cooperation of the sliding rod 601 and the sliding pipe 6, and tilting of the display screen body 2 in the moving process is prevented.

[0033] In an embodiment, please refer to Figure 1 The outer surface of the display screen body 2 is sleeved with a limiting frame 101, and the back face of the limiting frame 101 is fixedly installed on the front face of the shell 1, the display screen body 2 can be protected through the limiting frame 101, and the risk of collision of the display screen body 2 is reduced.

[0034] In an embodiment, please refer to Figure 1 The back face of the shell 1 is fixedly installed with two groups of mounting plates 102, and the front face of each mounting plate 102 is fixedly installed with a limiting hole, the device can be conveniently installed through the mounting plate 102, and the time required for installation is reduced.

[0035] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A COB display screen with an anti-shock effect, characterized in that, Include: The shell (1); Damping mechanism (3), set in the inside of the shell (1), the damping mechanism (3) includes the cylinder (301) installed in the inner wall of the shell (1), the inner wall of the cylinder (301) is slidably connected with T type rod (302), the rear end of the T type rod (302) is fixedly installed with the first permanent magnet block (311), the inner wall of the cylinder (301) is fixedly installed with the second permanent magnet block (306); Display screen body (2), set in the front of the T type rod (302); Slide cylinder (305), set in the inner wall of the shell (1), the inner wall of the slide cylinder (305) is slidably connected with the first slide plate (310), the front of the first slide plate (310) is fixedly installed with the slide column (303), two groups of the slide cylinder (305) are fixedly connected with the sealing tube (304) on the side away from each other, the inner wall of the sealing tube (304) is fixedly installed with the spring (308) and the second slide plate (309), the second slide plate (309) is slidably connected with the sealing tube (304).

2. The COB display screen with anti-shock effect according to claim 1, characterized in that, The inside of each slide cylinder (305) is provided with a top block (8), the rear end of two groups of top blocks (8) is fixedly installed with the inner wall of two groups of slide cylinders (305) respectively.

3. The COB display screen with anti-shock effect according to claim 1, characterized in that, The side of two groups of second slide plates (309) close to each other is fixedly installed with the first sealing gasket (7), the back of each first slide plate (310) is fixedly installed with the second sealing gasket (701).

4. The COB display screen with anti-shock effect according to claim 1, characterized in that, The side of two groups of slide cylinders (305) close to each other is fixedly installed with the arc plate (4), the back of each arc plate (4) is fixedly installed with the inner wall of the shell (1).

5. The COB display screen with anti-shock effect according to claim 1, characterized in that, The inner wall of each cylinder (301) is fixedly installed with the fixed ring (5), the back of each fixed ring (5) is fixedly installed with the inner wall of the shell (1).

6. The COB display screen with anti-shock effect according to claim 1, characterized in that, The inner wall of the shell (1) is fixedly installed with two slide pipes (6), the inner wall of each slide pipe (6) is slidably connected with the slide rod (601), the front end of each slide rod (601) is fixedly installed with the back of the display screen body (2).

7. The COB display screen with anti-shock effect according to claim 1, characterized in that, The outer surface of the display screen body (2) is sleeved with the limiting frame (101), the back of the limiting frame (101) is fixedly installed with the front of the shell (1). 8.The COB display screen with anti-shock effect according to claim 1, wherein, The back of the shell (1) is fixedly installed with two groups of mounting plates (102), the front of each mounting plate (102) is fixedly installed with the limiting hole. 9.The COB display screen with anti-shock effect according to claim 1, wherein, The front of the cylinder (301) is provided with a slide hole (307), the inner wall of the slide hole (307) is slidably connected with the T type rod (302).

10. The COB display screen with anti-shock effect according to claim 1, characterized in that, The inner wall of the sealing tube (304) is fixedly installed with the spring (308), the end of two groups of springs (308) close to each other is fixedly connected with the second slide plate (309).

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