Drop-resistant movable LED (light-emitting diode) display screen

Abstract

The utility model relates to the technical field of electronic display screens, in particular to an anti-falling movable LED display screen. A rectangular hole is formed in the front end of the mounting shell; the rectangular frame is arranged on the inner side of the mounting shell, and a plurality of buffer assemblies A are mounted between the rectangular frame and the inner wall of the mounting shell; the display screen main body is arranged on the inner side of the rectangular frame, and buffer assemblies B are installed between the periphery of the display screen main body and the rectangular frame; and the multiple sets of anti-toppling assemblies are all mounted on the mounting shell. According to the display screen, all-directional damping and buffering of the display screen body can be achieved, damage to the display screen body caused by vibration can be reduced, meanwhile, the mounting shell can be prevented from further inclining through the multiple anti-toppling assemblies, and the display screen is simple in structure and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic display screens, in particular to a drop-proof mobile LED display screen. Background Art

[0002] LED display is a flat panel display, generally used to display text, images, videos, video signals and other information. Since the area of ​​LED display can be extended arbitrarily and seamless splicing can be achieved, coupled with its high brightness, low operating voltage, low power consumption, large size, long life, impact resistance and stable performance, it has been widely used in advertising.

[0003] A Chinese patent with authorization announcement number CN206271353U discloses a mobile LED display screen, including an LED display screen and a rain cover. The rain cover is located above the LED display screen and fixed by a support rod. The support rod is hinged on the rain cover. A solar panel is also arranged above the rain cover. A rotatable hinge is installed in the middle and lower part of the LED display screen, and one end of the rotatable hinge is hinged to the LED display screen. A platform bracket is connected to the other end of the rotatable hinge.

[0004] The above-mentioned disclosed patent still has the following technical defects: when the display screen is tilted, it is easy to cause it to fall over; secondly, when moving over a bumpy road section, the severe vibration is easy to accelerate the damage of the display screen and reduce its service life. Utility Model Content

[0005] The utility model aims to provide a drop-proof mobile LED display screen in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is a drop-proof mobile LED display screen, comprising:

[0007] A mounting housing having a rectangular hole at the front end;

[0008] A rectangular frame, the rectangular frame is arranged on the inner side of the mounting shell, and a plurality of buffer components A are installed between the rectangular frame and the inner wall of the mounting shell;

[0009] The display screen body is arranged inside the rectangular frame, and a buffer assembly B is installed around the display screen body and between the rectangular frame;

[0010] A transparent plate, which is fixed on the inner wall of the mounting shell and covers the entire rectangular hole;

[0011] A plurality of anti-dumping components are mounted on the mounting shell.

[0012] Preferably, the anti-dump assembly includes a support rod, a mounting shaft, a limit ring, a ball bearing and two limit blocks, wherein the mounting shaft is fixed to the outside of the mounting shell, the ball bearing sleeve is installed on the mounting shaft, the limit ring is fixed on the mounting shaft, the support rod is fixedly connected to the ball bearing, the two limit blocks are arranged side by side on the mounting shell, and the two limit blocks are respectively located on both sides of the support rod.

[0013] Preferably, a moving rod is provided on the inner side of the rectangular hole, and a cleaning cotton in contact with the transparent plate is installed on the moving rod, a sliding rod is fixed to the inner bottom end of the rectangular hole, and the moving rod is slidably arranged on the sliding rod, and a power component for driving the moving rod to move is installed on the mounting shell, and the power component includes a servo motor and a screw rod, which is rotatably installed on the inner upper end of the rectangular hole, the moving rod is threadedly connected to the screw rod, and the servo motor is installed on the side of the mounting shell and its output shaft is connected to the screw rod.

[0014] Preferably, a rectangular baffle is provided at the inner front end of the rectangular hole, and the front side of the rectangular baffle is flush with the front side of the mounting shell.

[0015] Preferably, the buffer assembly A includes a fixed block, a guide rod B and two springs B. The fixed block is fixed on the rectangular frame, the guide rod B is fixed on the inner side of the mounting shell, the fixed block is slidably arranged on the guide rod B, and the two springs B are respectively sleeved and installed on both ends of the guide rod B; the buffer assembly B includes the guide rod A, the spring A, a ring and a damping rubber sleeve. The guide rod A is fixedly connected to the display screen body, sliding holes are opened around the rectangular frame, the guide rod A movably passes through the sliding holes on the corresponding sides, and the ring and the damping rubber sleeve are both sleeved and installed on the guide rod A.

[0016] Preferably, a plurality of support plates are fixed to the bottom end of the mounting shell, and a plurality of universal wheels are mounted on the bottom ends of the plurality of support plates.

[0017] Preferably, a plurality of support plates are each installed with a stable support assembly, the stable support assembly comprising a threaded rod, a turntable and a pressure plate, the threaded rod is threadedly connected to the support plate, and the turntable and the pressure plate are respectively fixed to the upper and lower ends of the threaded rod.

[0018] Preferably, a heat dissipation hole communicating with the inner cavity of the installation shell is formed at the bottom end of the installation shell, and a dustproof net is installed inside the heat dissipation hole.

[0019] Compared with the prior art, the utility model has the following beneficial technical effects: with the cooperation of the rectangular frame, the buffer component A and the buffer component B, all-round shock absorption and buffering of the display screen body can be achieved to reduce the damage to the display screen body caused by vibration. At the same time, the multiple anti-dumping components set up can prevent the installation shell from further tilting. The structure is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 and Figure 2 All of them are structural schematic diagrams of the present utility model.

[0021] Figure 3 It is a schematic diagram of the structure of installing the shell, rectangular frame, display screen body and transparent plate in the utility model.

[0022] Figure 4 for Figure 2 Schematic diagram of the local enlarged structure at A.

[0023] Figure 5 for Figure 3 Schematic diagram of the local enlarged structure at point B.

[0024] Figure 6 for Figure 3 Schematic diagram of the local enlarged structure at C

[0025] 1. Mounting shell; 101. Rectangular hole; 102. Heat dissipation hole; 2. Rectangular frame; 201. Sliding hole; 3. Display screen body; 4. Transparent plate; 5. Servo motor; 6. Screw rod; 7. Sliding rod; 8. Rectangular baffle frame; 9. Moving rod; 10. Cleaning cotton; 11. Dust net; 12. Support rod; 13. Support plate; 14. Universal wheel; 151. Threaded rod; 152. Turntable; 153. Pressure plate; 16. Limit block; 17. Mounting shaft; 18. Limit ring; 19. Ball bearing; 20. Guide rod A; 21. Spring A; 22. Ring; 23. Damping rubber sleeve; 24. Fixed block; 25. Guide rod B; 26. Spring B. DETAILED DESCRIPTION

[0026] Embodiment 1

[0027] like Figure 1-Figure 6 As shown, the present embodiment provides a drop-proof mobile LED display screen, comprising a mounting shell 1, a rectangular frame 2, a display screen body 3, a transparent plate, and a plurality of anti-dumping components.

[0028] The front end of the mounting shell 1 has a rectangular hole 101; the rectangular frame 2 is arranged on the inner side of the mounting shell 1, and multiple groups of buffer components A are installed between the rectangular frame 2 and the inner wall of the mounting shell 1. The buffer component A includes a fixed block 24, a guide rod B25 and two springs B26. The fixed block 24 is fixed on the rectangular frame 2, and the guide rod B25 is fixed on the inner side of the mounting shell 1. The fixed block 24 is slidably arranged on the guide rod B25, and the two springs B26 are respectively sleeved and installed on the two ends of the guide rod B25; the buffer component B includes a guide rod A20, a spring A21, a ring 22 and a damping rubber sleeve 23. The guide rod A20 is fixedly connected to the display screen body 3, and sliding holes 201 are opened around the rectangular frame 2. The guide rod A20 movably passes through the sliding holes 201 on the corresponding side, and the ring 22 and the damping rubber sleeve 23 are both sleeved and installed on the guide rod A20; the display screen body 3 is arranged on the inner side of the rectangular frame 2, and the buffer component B is installed around the display screen body 3 and between the rectangular frame 2.

[0029] The transparent plate 4 is fixed on the inner wall of the mounting housing 1 and covers the entire rectangular hole 101 .

[0030] Multiple groups of anti-dumping components are installed on the installation shell 1, and the anti-dumping components include a support rod 12, a mounting shaft 17, a limit ring 18, a ball bearing 19 and two limit blocks 16, wherein the mounting shaft 17 is fixed to the outside of the installation shell 1, the ball bearing 19 is sleeved and installed on the mounting shaft 17, the limit ring 18 is fixed on the mounting shaft 17, the support rod 12 is fixedly connected to the ball bearing 19, and the two limit blocks 16 are arranged side by side on the installation shell 1, and the two limit blocks 16 are respectively located on both sides of the support rod 12.

[0031] A plurality of support plates 13 are fixed to the bottom end of the mounting shell 1, and a plurality of universal wheels 14 are installed at the bottom ends of the plurality of support plates 13; a stable support assembly is installed on the plurality of support plates 13, and the stable support assembly includes a threaded rod 151, a turntable 152 and a pressure plate 153, the threaded rod 151 is threadedly connected to the support plate 13, the turntable 152 and the pressure plate 153 are respectively fixed to the upper and lower ends of the threaded rod 151, and when the display screen moves to the set position, the pressure plate 153 is driven to move downward until it is pressed against the ground, thereby improving the stability of the display screen.

[0032] A heat dissipation hole 102 communicating with the inner cavity of the installation shell 1 is formed at the bottom end of the installation shell 1 , and a dustproof net 11 is installed inside the heat dissipation hole 102 .

[0033] In this embodiment, by setting up multiple groups of buffer components B, the display screen main body 3 can perform up and down buffering and left and right buffering on the inner side of the rectangular frame 2, and by setting up the buffer component A, the rectangular frame 2 can perform longitudinal buffering on the inner side of the mounting shell 1, thereby realizing buffering and shock absorption in multiple directions of the display screen main body 3; when the mounting shell 1 is tilted, the support rod 12 is always in a vertical downward state through the set ball bearing 19, thereby preventing the mounting shell 1 from further tilting; in summary, the utility model can perform all-round shock absorption and buffering on the display screen main body 3, reduce the damage to the display screen main body 3 caused by vibration, and at the same time, the multiple anti-dumping components can prevent the mounting shell 1 from further tilting, and its structure is simple and practical.

[0034] Embodiment 2

[0035] like Figure 1 and Figure 3 As shown, the present embodiment proposes a drop-proof mobile LED display screen. Compared with the first embodiment, in the present embodiment, a moving rod 9 is arranged on the inner side of the rectangular hole 101, and a cleaning cotton 10 in contact with the transparent plate 4 is installed on the moving rod 9. A sliding rod 7 is fixed to the inner bottom end of the rectangular hole 101, and the moving rod 9 is slidably arranged on the sliding rod 7. A power component for driving the moving rod 9 to move is installed on the mounting shell 1, and the power component includes a servo motor 5 and a screw rod 6. The screw rod 6 is rotatably installed on the inner upper end of the rectangular hole 101, the moving rod 9 is threadedly connected to the screw rod 6, and the servo motor 5 is installed on the side of the mounting shell 1 and its output shaft is connected to the screw rod 6.

[0036] A rectangular baffle 8 is provided at the inner front end of the rectangular hole 101, and the front side of the rectangular baffle 8 is flush with the front side of the mounting shell 1. The rectangular baffle 8 can block the screw rod 6 and the slide rod 7, making the display screen more beautiful.

[0037] In this embodiment, a power assembly is provided to drive the moving rod 9 to move, thereby driving the cleaning cotton 10 to move. The cleaning cotton 10 can wipe off the dust on the surface of the transparent plate 4 during the movement.

[0038] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A drop-proof mobile LED display, characterized in that: include: A mounting housing (1) having a rectangular hole (101) at the front end; A rectangular frame (2), the rectangular frame (2) being arranged on the inner side of the mounting shell (1), and a plurality of buffer components A being installed between the rectangular frame (2) and the inner wall of the mounting shell (1); A display screen body (3), the display screen body (3) is arranged on the inner side of the rectangular frame (2), and a buffer assembly B is installed around the display screen body (3) and between the rectangular frame (2); A transparent plate (4), the transparent plate (4) being fixed on the inner wall of the mounting housing (1) and covering the entire rectangular hole (101); A plurality of anti-dumping components are provided, and the plurality of anti-dumping components are all mounted on the mounting housing (1).

2. The drop-proof mobile LED display according to claim 1, characterized in that: The anti-dumping assembly comprises a support rod (12), a mounting shaft (17), a limiting ring (18), a ball bearing (19) and two limiting blocks (16), wherein the mounting shaft (17) is fixed on the outside of a mounting shell (1), the ball bearing (19) is sleeved and mounted on the mounting shaft (17), the limiting ring (18) is fixed on the mounting shaft (17), the support rod (12) is fixedly connected to the ball bearing (19), and the two limiting blocks (16) are arranged side by side on the mounting shell (1), and the two limiting blocks (16) are respectively located on both sides of the support rod (12).

3. The drop-proof mobile LED display according to claim 1, characterized in that: A moving rod (9) is arranged on the inner side of the rectangular hole (101), and a cleaning cotton (10) in contact with the transparent plate (4) is installed on the moving rod (9). A sliding rod (7) is fixed on the inner bottom end of the rectangular hole (101), and the moving rod (9) is slidably arranged on the sliding rod (7). A power assembly for driving the moving rod (9) to move is installed on the mounting shell (1), and the power assembly comprises a servo motor (5) and a screw rod (6). The screw rod (6) is rotatably mounted on the inner upper end of the rectangular hole (101), the moving rod (9) is threadedly connected to the screw rod (6), and the servo motor (5) is mounted on the side of the mounting shell (1) and its output shaft is connected to the screw rod (6).

4. The drop-proof mobile LED display according to claim 3, characterized in that: A rectangular blocking frame (8) is provided at the inner front end of the rectangular hole (101), and the front side surface of the rectangular blocking frame (8) is flush with the front side surface of the mounting shell (1).

5. The drop-proof mobile LED display according to claim 1, characterized in that: The buffer assembly A comprises a fixed block (24), a guide rod B (25) and two springs B (26); the fixed block (24) is fixed on a rectangular frame (2); the guide rod B (25) is fixed on the inner side of a mounting shell (1); the fixed block (24) is slidably arranged on the guide rod B (25); and the two springs B (26) are respectively sleeved and installed on the two ends of the guide rod B (25); the buffer assembly B comprises a guide rod A (20), a spring A (21), a ring (22) and a damping rubber sleeve (23); the guide rod A (20) is fixedly connected to a display screen body (3); sliding holes (201) are provided on all sides of the rectangular frame (2); the guide rod A (20) movably passes through the sliding holes (201) on the corresponding side; and the ring (22) and the damping rubber sleeve (23) are sleeved and installed on the guide rod A (20).

6. The drop-proof mobile LED display according to claim 1, characterized in that: A plurality of support plates (13) are fixed to the bottom end of the mounting shell (1), and a plurality of universal wheels (14) are mounted on the bottom ends of the plurality of support plates (13).

7. The drop-proof mobile LED display according to claim 6, characterized in that: A plurality of support plates (13) are each mounted with a stable support assembly, the stable support assembly comprising a threaded rod (151), a rotating disk (152) and a pressing plate (153), the threaded rod (151) being threadedly connected to the support plate (13), and the rotating disk (152) and the pressing plate (153) being fixed to the upper and lower ends of the threaded rod (151), respectively.

8. The drop-proof mobile LED display according to claim 1, characterized in that: A heat dissipation hole (102) communicating with the inner cavity of the installation shell (1) is provided at the bottom end of the installation shell (1), and a dustproof net (11) is installed inside the heat dissipation hole (102).

Images