Movable LED display screen

Abstract

The utility model discloses a movable LED display screen, and relates to the technical field of display screens. The LED display screen comprises a box body, two LED display screen bodies are arranged in the box body, a bottom plate is arranged at the lower end of the box body, self-locking universal wheels are fixedly connected to the four corners of the bottom plate, and a user can move the display screen conveniently. According to the LED display screen, the arranged second bevel gear drives the first bevel gear to rotate so that the lead screw can rotate, the LED display screen body can be lifted up and retracted through the supporting plate arranged in a threaded and sleeved mode, the LED display screen body can be prevented from being collided when retracted, and the service life of the LED display screen body can be prolonged; meanwhile, equipment can be effectively protected from being damaged by dust, moisture, collision and the like, the LED display screen can be conveniently moved by arranging self-locking universal wheels, the flexibility of the LED display screen is improved, and the LED display screen can meet the requirements of various activities and activity sites.

Description

Technical Field

[0001] The utility model belongs to the technical field of display screens, and particularly relates to a mobile LED display screen. Background Art

[0002] LED display screens are generally widely used in various indoor and outdoor occasions, such as billboards, stage backgrounds, stadiums, traffic signs, etc. When using LED display screens, they are generally fixed on the bracket by bolts, and the scope of use is relatively fixed. Therefore, there are the following shortcomings when using them:

[0003] 1. Some existing LED display screens are not easy to store, so they may be squeezed or collided during transportation, which may cause damage to the LED module, thus affecting the display effect and service life of the LED display screen.

[0004] 2. At the same time, some LED screens are not easy to move and need to be moved manually, which may increase extra manpower and time. In addition, the LED screens may be damaged during the transportation process, which is not conducive to improving the flexibility of the use of LED screens.

[0005] For this reason, we proposed a mobile LED display screen. Utility Model Content

[0006] The purpose of the utility model is to solve the problem in the prior art that some LED display screens are not convenient to store, so that they may be squeezed or collided during the transportation of the LED display screens, which may cause damage to the LED modules, thereby affecting the display effect and service life of the LED display screens. At the same time, some LED display screens are not convenient to move and need to be transported manually, which may increase additional manpower and time, and the LED display screens may be damaged during the transportation process, which is not conducive to improving the flexibility of the use of the LED display screens. A mobile LED display screen is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A mobile LED display screen, comprising:

[0009] A box body, wherein two LED display screen bodies are arranged inside the box body, a bottom plate is arranged at the lower end of the box body, and self-locking universal wheels are fixedly connected to the four corners of the bottom plate to facilitate users to move the display screens;

[0010] A lifting and lowering adjustment mechanism is located inside the box body, and includes a positioning frame installed inside the box body, a first bevel gear installed on the upper end of the positioning frame, and second bevel gears installed on both sides of the positioning frame. Both sides of the first bevel gear are meshed and connected with the second bevel gears. The upper end of the first bevel gear passes through the positioning frame and is fixedly connected with a screw rod. The upper end of the screw rod is rotatably connected to the top of the box body. The second bevel gears on both sides of the positioning frame pass through the positioning frame and are fixedly connected with a connecting rod, so that users can lift the LED display screen body.

[0011] A rotating mechanism, the rotating mechanism includes a turntable installed between the box body and the bottom plate, which is convenient for the user to rotate the box body;

[0012] The limiting mechanism includes slide bars installed on both sides of the box body and a limiting plate installed on the bottom plate, which is used to limit the box body after rotation.

[0013] In a possible design, a support plate is provided on the threaded sleeve on the outer wall of the screw rod, and the support plate is fixedly connected to the LED display screen body by bolts for supporting the LED display screen body. Both sides of the bottom surface of the box body are fixedly connected to support seats by bolts, and the connecting rod passes through the support seat and is rotatably connected to the support seat. The two connecting rods pass through the box body and are fixedly connected with a rotating handle for adjusting the height of the LED display screen body. Limiting holes are provided at the four corners of the bottom plate.

[0014] In a possible design, two sliding rods are fixedly connected to the two sides of the bottom surface of the box body on both sides of the support seat and are slidably connected to the box body, the sliding rods are slidably connected to the limiting holes, the outer walls of the sliding rods are slidably sleeved with a second spring, and the upper ends of the sliding rods are provided with partitions for limiting the sliding rods, the sliding rods pass through the box body and are fixedly connected with a pressure plate, and end covers are hingedly connected on both sides of the upper part of the box body to press the pressure plates.

[0015] In a possible design, two guide rods are fixedly connected to the front ends of the support seats on both sides of the bottom surface of the box body, and the outer wall sliding sleeves of the guide rods are provided with guide plates, and the guide plates are fixedly connected to the LED display screen body by bolts.

[0016] In a possible design, the limiting plate is located on the upper surface of the bottom plate, the bottom plate is rotatably connected to the limiting plate, and a first spring is provided between one end of the limiting plate and the bottom plate for limiting the box body.

[0017] In a possible design, the lower end of the turntable is fixedly connected to the bottom plate, and the upper end of the turntable is fixedly connected to the box body, and the turntable can be used to rotate the box body.

[0018] In a possible design, both ends of the upper surface of the end cover are fixedly connected with handrails to facilitate the user to push the box.

[0019] In the present application, when in use, first open the end cover, the end cover opens and the pressure plate pops out, and at the same time, the slide rod will be lifted up due to the elastic force of the second spring, and the slide rod will pop out of the limit hole, and the box body can be rotated to a horizontal state through the installed turntable, and the limit plate will be popped up due to the elastic force of the first spring to limit the box body, and then the connecting rod is driven to rotate by rotating the rotating handle, and the first bevel gear is driven to rotate by the second bevel gear to make the screw rod rotate, and the LED display screen body can be lifted up through the support plate provided by the threaded sleeve, so as to achieve the purpose of facilitating the use of the LED display screen.

[0020] In the utility model, the mobile LED display screen can rotate the screw rod by driving the first bevel gear to rotate through the second bevel gear, and the LED display screen body can be lifted and retracted through the support plate sleeved by the thread, so that the LED display screen body can be free from collision when being retracted, which is beneficial to improving the service life of the LED display screen body, and can effectively protect the equipment from damage such as dust, moisture, collision, etc.

[0021] In the utility model, the mobile LED display screen can facilitate the movement of the LED display screen by setting self-locking universal wheels, thereby improving the flexibility of the LED display screen, so that the LED display screen can adapt to the needs of various activities and activity venues. The stability during movement can be improved by setting sliding rods and limiting holes, so that the LED display screen can be stably pushed, and the box body can be prevented from slipping, thereby improving practicality.

[0022] In the utility model, the stability of the LED display screen body when being lifted and lowered can be improved by providing the guide rod and the guide plate, and the box body can be limited after being rotated by providing the limit plate and the first spring, thereby improving the stability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the internal three-dimensional structure of an embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram of the explosion three-dimensional structure of an embodiment of the utility model;

[0027] Figure 4 This is a bottom-up three-dimensional structural schematic diagram of an embodiment of the utility model;

[0028] Figure 5 A schematic diagram showing a three-dimensional structure for use of an embodiment of the utility model;

[0029] Figure 6 The figure is a schematic diagram of the three-dimensional structure of the appearance of one embodiment of the utility model.

[0030] In the figure: 1. box body; 2. positioning frame; 3. screw rod; 4. connecting rod; 5. first bevel gear; 6. second bevel gear; 7. support plate; 8. LED display screen body; 9. guide rod; 10. guide plate; 11. support seat; 12. turning handle; 13. bottom plate; 14. turntable; 15. limit plate; 16. first spring; 17. slide rod; 18. second spring; 19. partition; 20. pressure plate; 21. limit hole; 22. end cover; 23. handrail; 24. self-locking universal wheel. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0034] Example 1

[0035] Reference Figure 1-Figure 6 , a mobile LED display screen, which is used in the field of LED display screens, including:

[0036] A box body 1, two LED display screen bodies 8 are arranged inside the box body 1, a bottom plate 13 is arranged at the lower end of the box body 1, and self-locking universal wheels 24 are fixedly connected to the four corners of the bottom plate 13 to facilitate users to move the display screen;

[0037] The lifting and lowering adjustment mechanism is located inside the box body 1, and includes a positioning frame 2 installed inside the box body 1, a first bevel gear 5 installed on the upper end of the positioning frame 2, and second bevel gears 6 installed on both sides of the positioning frame 2. Both sides of the first bevel gear 5 are meshed and connected with the second bevel gear 6. The upper end of the first bevel gear 5 penetrates the positioning frame 2 and is fixedly connected with a screw rod 3. The upper end of the screw rod 3 is rotatably connected to the top of the box body 1. The second bevel gears 6 on both sides of the positioning frame 2 penetrate the positioning frame 2 and are fixedly connected with a connecting rod 4, so that the user can lift the LED display screen body 8;

[0038] The rotating mechanism includes a rotating disk 14 installed between the box body 1 and the bottom plate 13, so that the user can rotate the box body 1;

[0039] The limiting mechanism includes slide bars 17 installed on both sides of the box body 1 and limiting plates 15 installed on the bottom plate 13, and is used to limit the box body 1 after rotation.

[0040] In the above technical solution, the self-locking universal wheel 24 is provided to facilitate the movement of the LED display screen, thereby improving the flexibility of the LED display screen so that the LED display screen can adapt to the needs of various activities and activity venues. The second bevel gear 6 is provided to drive the first bevel gear 5 to rotate so that the screw rod 3 can be rotated, thereby realizing the function of lifting and lowering the LED display screen body 8.

[0041] In one aspect of this embodiment, Figure 3 As shown, a support plate 7 is provided on the threaded sleeve on the outer wall of the screw rod 3, and the support plate 7 is fixedly connected to the LED display screen body 8 by bolts, and is used to support the LED display screen body 8. Both sides of the inner bottom surface of the box body 1 are fixedly connected to the support seat 11 by bolts, and the connecting rod 4 passes through the support seat 11 and is rotatably connected to the support seat 11. The two connecting rods 4 pass through the box body 1 and are fixedly connected with a rotating handle 12, which is used to adjust the height of the LED display screen body 8. Limiting holes 21 are provided at the four corners of the bottom plate 13.

[0042] In the above technical solution, the LED display screen body 8 can be lifted and retracted by rotating the screw rod 3 through the threaded support plate 7, so that the LED display screen body 8 can be prevented from being bumped when being retracted, which is beneficial to improving the service life of the LED display screen body 8.

[0043] In one aspect of this embodiment, Figure 2As shown, two sliding rods 17 are fixedly connected to both sides of the inner bottom surface of the box body 1 and are slidably connected to the box body 1. The sliding rods 17 are slidably connected to the limiting holes 21. The outer walls of the sliding rods 17 are slidably sleeved with second springs 18. The upper ends of the sliding rods 17 are provided with partitions 19 for limiting the sliding rods 17. The sliding rods 17 pass through the box body 1 and are fixedly connected with a pressure plate 20. Both sides of the upper part of the box body 1 are hinged with end covers 22 for pressing the pressure plate 20.

[0044] In the above technical solution, the sliding rod 17 and the limiting hole 21 are provided to improve the stability during movement, so that the LED display screen can be pushed stably, and the box body 1 can be prevented from slipping, thereby improving the practicality.

[0045] This application can be used in the field of LED display screens, and can also be used in other fields applicable to this application

[0046] Example 2

[0047] Improved on the basis of Example 1:

[0048] In one aspect of this embodiment, Figure 4 As shown, two guide rods 9 are fixedly connected to the front ends of the support seats 11 on both sides of the bottom surface of the box body 1, and the outer wall of the guide rods 9 is slidably sleeved with guide plates 10, which are fixedly connected to the LED display screen body 8 by bolts.

[0049] In the above technical solution, the stability of the LED display screen body 8 during lifting and lowering can be improved by providing the guide rod 9 .

[0050] In one aspect of this embodiment, Figure 5 As shown, the limiting plate 15 is located on the upper surface of the bottom plate 13 , the bottom plate 13 is rotatably connected to the limiting plate 15 , and a first spring 16 is provided between one end of the limiting plate 15 and the bottom plate 13 for limiting the box body 1 .

[0051] In the above technical solution, the limiting plate 15 is provided to limit the box 1, thereby improving the stability of the display screen.

[0052] In one aspect of this embodiment, Figure 3 As shown, the lower end of the turntable 14 is fixedly connected to the bottom plate 13 , and the upper end of the turntable 14 is fixedly connected to the box body 1 . The turntable 14 can be used to rotate the box body 1 .

[0053] In the above technical solution, the turntable 14 is provided so that the box 1 can rotate, thereby improving the stability of the display screen during use.

[0054] In another aspect of this embodiment, Figure 6 As shown, both ends of the upper surface of the end cover 22 are fixedly connected with handrails 23 to facilitate the user to push the box body 1.

[0055] In the above technical solution, the armrest 23 is provided to facilitate the carrying of the display screen.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A mobile LED display screen, It is characterized in that include: A box (1), wherein two LED display screen bodies (8) are arranged inside the box (1), a bottom plate (13) is arranged at the lower end of the box (1), and self-locking universal wheels (24) are fixedly connected at four corners of the bottom plate (13) to facilitate users to move the display screens; A lifting and lowering adjustment mechanism, the lifting and lowering adjustment mechanism is located inside the box (1), comprising a positioning frame (2) installed inside the box (1), a first bevel gear (5) installed on the upper end of the positioning frame (2), and second bevel gears (6) installed on both sides of the positioning frame (2), both sides of the first bevel gear (5) are meshed and connected with the second bevel gear (6), the upper end of the first bevel gear (5) passes through the positioning frame (2) and is fixedly connected to a screw rod (3), the upper end of the screw rod (3) is rotatably connected to the top of the box (1), and the second bevel gears (6) on both sides of the positioning frame (2) pass through the positioning frame (2) and are fixedly connected to a connecting rod (4), so that the user can lift the LED display screen body (8); A rotating mechanism, the rotating mechanism comprising a rotating disk (14) installed between the box body (1) and the bottom plate (13), so as to facilitate a user to rotate the box body (1); The limiting mechanism comprises sliding rods (17) installed on both sides of the box body (1) and limiting plates (15) installed on the bottom plate (13), and is used to limit the box body (1) after rotation.

2. A mobile LED display screen as claimed in claim 1, It is characterized in that The outer wall thread sleeve of the screw rod (3) is provided with a support plate (7), and the support plate (7) is fixedly connected to the LED display screen body (8) by bolts, and is used to support the LED display screen body (8). Both sides of the inner bottom surface of the box body (1) are fixedly connected to support seats (11) by bolts, and the connecting rod (4) passes through the support seat (11) and is rotatably connected to the support seat (11). The two connecting rods (4) pass through the box body (1) and are fixedly connected to a rotating handle (12) for adjusting the height of the LED display screen body (8). The four corners of the bottom plate (13) are provided with limit holes (21).

3. A mobile LED display screen as claimed in claim 2, It is characterized in that Two sliding rods (17) are fixedly connected to the two sides of the inner bottom surface of the box body (1) and are slidably connected to the box body (1). The sliding rods (17) are slidably connected to the limiting holes (21). The outer walls of the sliding rods (17) are slidably sleeved with second springs (18). The upper ends of the sliding rods (17) are provided with partitions (19) for limiting the position of the sliding rods (17). The sliding rods (17) pass through the box body (1) and are fixedly connected to a pressure plate (20). Both sides of the upper part of the box body (1) are hingedly connected to end covers (22) for pressing the pressure plate (20).

4. A mobile LED display screen as claimed in claim 2, It is characterized in that Two guide rods (9) are fixedly connected to the front ends of the support seats (11) on both sides of the inner bottom surface of the box body (1), and the outer walls of the guide rods (9) are slidably sleeved with guide plates (10), and the guide plates (10) are fixedly connected to the LED display screen body (8) by bolts.

5. A mobile LED display screen as claimed in claim 1, It is characterized in that The limiting plate (15) is located on the upper surface of the bottom plate (13), the bottom plate (13) is rotatably connected to the limiting plate (15), and a first spring (16) is provided between one end of the limiting plate (15) and the bottom plate (13) for limiting the box body (1).

6. A mobile LED display screen as claimed in claim 1, It is characterized in that The lower end of the turntable (14) is fixedly connected to the bottom plate (13), and the upper end of the turntable (14) is fixedly connected to the box body (1). The turntable (14) can be used to rotate the box body (1).

7. A mobile LED display screen as claimed in claim 3, It is characterized in that Both ends of the upper surface of the end cover (22) are fixedly connected with handrails (23), so as to facilitate the user to push the box body (1).

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