A multi-purpose LED display screen with a detachable structure

Abstract

The present invention provides a multi-purpose LED display screen with a detachable structure in the field of LED display screens. The multi-purpose LED display screen has three groups of display screen components, and the three groups of display screen components include display screens distributed in a stepped shape. A lifting block and a screw rod are installed on the rear side of each group of display screens, so that the display screens can move up and down when displaying. The display matrix composed of the three groups of display screens moves up and down in a wave-like shape, thereby improving the viewing and attractiveness. At the same time, the middle position of the screw rod can be spliced ​​into a rectangular screen with a larger display area to increase the display content. A folding structure is installed on the rear side of a mounting plate, and the three groups of display screens distributed in a plane are folded into a three-dimensional display state of triangular circular distribution to achieve circular display and meet different display requirements.

Description

Technical Field

[0001] The invention relates to the field of LED display screens, and in particular to a multi-purpose LED display screen with a detachable structure. Background Art

[0002] LED display is a flat panel display, composed of small LED module panels, used to display text, images, videos and other information. The large-screen splicing system is a high-brightness, high-resolution, and accurate color-reproduction TV wall composed of a single set of projection / LED display units. The core components include P optical engine, image processor, etc., and the display screen is controlled by image control software.

[0003] The existing LED splicing screen is a flat splicing screen. After the screen is spliced, the position is fixed, the viewing experience is low, and the attraction to the audience is insufficient.

[0004] The present application provides a spliced ​​screen with dynamic display of display screen entity movement, which increases the display form. Summary of the invention

[0005] The purpose of the present application is to realize the movement of the display screen entity during display; compared with the prior art, a multi-purpose LED display screen with a detachable structure is provided, which can realize the up and down movement and coordination of multiple groups of display screens, realize dynamic display under the physical state of the display screen, and meet various display needs.

[0006] A multi-purpose LED display screen with a detachable structure comprises a base; three groups of horizontally spliced ​​display screen components are mounted on the base, the display screen components comprise a mounting plate, a display screen is mounted on the front side of the mounting plate, the three groups of display screens are initially distributed in a stepped manner, and the display screens are fixedly connected to a lifting block vertically slidably connected to the mounting plate; a screw rod threadedly connected to the lifting block is arranged in the mounting plate, a passive gear is fixedly connected to the lower end of the screw rod, a group of centrally symmetrical half-width gears are arranged below the passive gear, the half-width gears are fixedly connected to a horizontal shaft, and the horizontal shaft is connected to a vertical shaft rotatably connected to the mounting plate through a first transmission gear set; a vertical shaft located in the middle extends to the bottom of the mounting plate and is connected to a power shaft, the power shaft extends into the base and is connected to a first motor; adjacent vertical shafts are connected for transmission through a transmission shaft.

[0007] Furthermore, it also includes a folding mechanism installed on the mounting plate located in the middle position; the folding mechanism includes a group of swing rods that are symmetrically arranged and fixedly connected to the mounting plates located on both sides, the swing rods are hinged with a hinge seat fixedly connected to the mounting plate located in the center, the swing rods are fixedly connected with a rotating shaft rotatably connected to the hinge seat, the rotating shaft is connected to the driving shaft through a fourth transmission gear set, a worm gear is sleeved in the middle position of the driving shaft, the worm gear is meshed with a worm, and the worm gear is connected to a second motor.

[0008] Preferably, the mounting plate is a rectangular plate, and a vertical slide groove is provided in the mounting plate. The lifting block is nested in the vertical slide groove and is slidably connected to the inner wall of the vertical slide groove.

[0009] Preferably, the screw rod is installed in the vertical slide groove, the upper end of the screw rod is rotatably connected to the top wall of the vertical slide groove through a bearing seat, and the lifting block is provided with a threaded hole that cooperates with the screw rod.

[0010] Preferably, a receiving cavity for receiving a half-width gear is provided at the lower portion of the mounting plate. The half-width gear is arranged parallel to the mounting plate. Both ends of the horizontal axis are rotatably connected to the inner wall of the receiving cavity through a bearing seat. The screw rod extends into the receiving cavity, and the passive gear is installed in the receiving cavity. The upper portion of the vertical axis is nested in the receiving cavity and is rotatably connected to the bottom plate of the receiving cavity through a bearing.

[0011] Preferably, the half-width gears are fixedly connected with latch teeth on half of their circumferences, and the driven gear is disengaged from the other half-width gear when it is engaged with one of the half-width gears.

[0012] Preferably, the mounting plate in the middle is fixedly connected to the base, and the mounting plates on both sides are hinged to the mounting plate in the middle.

[0013] Preferably, the transmission shaft between adjacent vertical shafts is a sleeve-type telescopic rod, and the transmission shaft includes a prismatic shaft connected to the vertical shaft located in the center through a second transmission gear set, a prismatic sleeve sleeved on the outside of the prismatic shaft and slidably connected to the prismatic shaft, and the prismatic sleeve is connected for transmission to the vertical shafts located on both sides through a third transmission gear set.

[0014] Preferably, the prism shaft is a strip-shaped rod with a regular polygonal cross section, and a prism groove for the prism shaft to slide is provided in the prism sleeve.

[0015] Preferably, one end of the prism axis close to the central vertical axis is sleeved with a sliding mounting frame, the sliding mounting frame is slidably connected to a sliding column, the sliding column is slidably connected to a mounting cylinder fixedly connected to the mounting plate, and the mounting cylinder is provided with an annular groove for circumferential sliding of the sliding column; one end of the prism sleeve close to the vertical axes on both sides is sleeved with a fixed mounting frame, and the fixed mounting frame is fixedly connected to a mounting cylinder fixedly connected to the mounting plate.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) The present invention is provided with three groups of display screen assemblies, which include display screens distributed in a stepped manner, and a lifting block and a screw rod are installed on the rear side of each group of display screens, so that the display screens can move up and down during display. The display matrix composed of the three groups of display screens moves up and down in a wave-like manner, thereby improving the viewing experience and attractiveness; at the same time, the middle position of the screw rod can be spliced ​​into a rectangular screen with a larger display area to increase the display content.

[0018] (2) The present invention realizes periodic forward and reverse rotation of the screw rod, periodic lifting and lowering of the display screen, and dynamic display by providing a vertical shaft, a transmission shaft located between the connected vertical shafts, a passive gear, and a half-width gear that is centrally symmetrical.

[0019] (3) The present invention provides a folding structure installed on the rear side of the mounting plate, which folds the three groups of display screens distributed in a plane into a three-dimensional display state with a triangular circular distribution, thereby realizing circular display and meeting different display requirements.

[0020] (4) The present invention is provided with a transmission shaft in the form of a telescopic sleeve, a sliding mounting frame, a fixed mounting frame, a sliding column, and a mounting tube, so that the screw rods can be synchronously transmitted even when they are distributed in a triangular shape, thereby realizing the lifting and lowering movement of each group of display screens distributed in the triangular shape. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the front structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the rear structure of the present invention;

[0023] Figure 3 It is a longitudinal cross-sectional structural schematic diagram of the present invention;

[0024] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the mounting plate in the present invention;

[0026] Figure 6 It is a schematic diagram of the assembly structure of the lifting block and the display screen in the present invention;

[0027] Figure 7 It is a schematic diagram of the assembly structure of the half-width gear in the present invention;

[0028] Figure 8 It is a schematic diagram of the transverse cross-sectional structure of the present invention;

[0029] Fig. 9 for Figure 8 A schematic diagram of the enlarged structure at B in the middle;

[0030] Fig.10 for Figure 8 Schematic diagram of the enlarged structure at C in the middle;

[0031] Fig.11 It is a schematic diagram of the assembly structure of the sliding column and the mounting cylinder in the present invention;

[0032] Fig.12 It is a three-dimensional structural schematic diagram of the folding structure in the present invention;

[0033] Fig.13 It is a schematic diagram of the folded state of the present invention.

[0034] Explanation of the numbers in the figure: 1. base; 2. display screen assembly; 3. folding mechanism; 4. mounting plate; 401. vertical slide groove; 402. accommodating chamber; 5. display screen; 6. lifting block; 7. screw rod; 8. passive gear; 9. half-width gear; 10. horizontal axis; 11. first transmission gear set; 12. vertical axis; 13. power shaft; 14. first motor; 15. second transmission gear set; 16. prismatic axis; 17. prismatic sleeve; 18. third transmission gear set; 19. sliding mounting frame; 20. sliding column; 21. mounting cylinder; 2101. annular groove; 22. swing rod; 23. hinge seat; 24. rotating shaft; 25. fourth transmission gear set; 26. driving shaft; 27. worm gear; 28. worm; 29. ​​second motor; 30. mounting box; 31. fixed mounting frame. DETAILED DESCRIPTION

[0035] The embodiments will be combined with the drawings in the specification to clearly and completely describe the technical solution of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making any creative work shall fall within the scope of protection of the present application.

[0036] Embodiment 1:

[0037] The present invention provides a multi-purpose LED display screen with a detachable structure, see Figure 1-10 , including a base 1; three groups of horizontally spliced ​​display screen assemblies 2 are installed on the base 1, and the display screen assembly 2 includes a mounting plate 4, and a display screen 5 is installed on the front side of the mounting plate 4. The three groups of display screens 5 are initially distributed in a stepped manner, and the display screen 5 is fixedly connected to a lifting block 6 that is vertically slidably connected to the mounting plate 4; a screw rod 7 that is threadedly connected to the lifting block 6 is provided in the mounting plate 4, and a passive gear 8 is fixedly connected to the lower end of the screw rod 7, and a group of centrally symmetrical half-width gears 9 are provided below the passive gear 8, and the half-width gears 9 are fixedly connected to a horizontal shaft 10, and the horizontal shaft 10 is connected to a vertical shaft 12 that is rotatably connected to the mounting plate 4 through a first transmission gear set 11; the vertical shaft 12 located in the middle position extends to the bottom of the mounting plate 4 and is connected to a power shaft 13, and the power shaft 13 extends into the base 1 and is connected to a first motor 14; adjacent vertical shafts 12 are connected and transmitted through a transmission shaft.

[0038] Specifically, when the multi-purpose LED display screen with a detachable structure is displayed, the first motor 14 is started, and the first motor 14 drives the vertical shaft 12 to rotate through the power shaft 13, and the vertical shaft 12 located in the center drives the vertical shafts 12 located on both sides to rotate through the transmission shaft, and the vertical shaft 12 drives the horizontal shaft 10 to rotate through the first transmission gear set 11, and the horizontal shaft 10 drives the passive gear 8 to periodically rotate forward and reverse through the half-width gear 9 that is symmetrical to the center, and the passive gear 8 drives the screw rod 7 in the three-group display screen assembly 2 to rotate periodically, and the three groups of screw rods 7 drive the lifting blocks 6 to drive the display screen 5 to move up and down periodically, thereby driving the display screen 5 to perform dynamic display, thereby improving the display effect and viewing experience; because the three groups of display screens 5 are distributed in a stepped manner in the initial state, when the three groups of display screens 5 all move to the middle position of the screw rod 7, at this time, the three groups of display screens 5 are spliced ​​to form a rectangular display large screen, so as to achieve a larger spliced ​​display area, and the dynamic display and the spliced ​​large screen display can be switched as needed.

[0039] In this embodiment, the mounting plate 4 is a rectangular plate, and a vertical slide groove 401 is provided in the mounting plate 4 . The lifting block 6 is nested in the vertical slide groove 401 and is slidably connected to the inner wall of the vertical slide groove 401 .

[0040] In this embodiment, the screw rod 7 is installed in the vertical slide groove 401 , the upper end of the screw rod 7 is rotatably connected to the top wall of the vertical slide groove 401 through a bearing seat, and the lifting block 6 is provided with a threaded hole that cooperates with the screw rod 7 .

[0041] Specifically, the stability of the lifting and lowering movement of the lifting block 6 and the display screen 5 mounted thereon is achieved.

[0042] In this embodiment, a receiving cavity 402 for receiving the half-width gear 9 is provided at the lower portion of the mounting plate 4. The half-width gear 9 is arranged parallel to the mounting plate 4. Both ends of the horizontal shaft 10 are rotatably connected to the inner wall of the receiving cavity 402 through a bearing seat.

[0043] In this embodiment, the screw rod 7 extends into the accommodating cavity 402, and the driven gear 8 is installed in the accommodating cavity 402; the upper portion of the vertical shaft 12 is nested in the accommodating cavity 402 and is rotatably connected to the bottom plate of the accommodating cavity 402 through a bearing.

[0044] Specifically, the storage of the half-width gear 9, the driven gear 8 and the first transmission gear set 11 is achieved.

[0045] In this embodiment, half of the circumference of the half-gear 9 is fixedly connected with a latching tooth, and when the driven gear 8 is engaged with one of the half-gears 9 , it is disengaged from the other half-gear 9 .

[0046] Specifically, the periodic forward and reverse rotation of the driven gear 8 and the lead screw 7 is achieved through a group of half-width gears 9 that are centrally symmetrical.

[0047] In this embodiment, the mounting plate 4 located in the middle is fixedly connected to the base 1 , and the mounting plates 4 located on both sides are hinged to the mounting plate 4 located in the middle.

[0048] Embodiment 2:

[0049] The present invention provides a multi-purpose LED display screen with a detachable structure, see Figure 2 , Figure 3 , Figure 8-13 The difference between this embodiment and embodiment 1 is that: it also includes a folding mechanism 3 installed on the mounting plate 4 located in the middle position; the folding mechanism 3 includes a group of swing rods 22 symmetrically arranged and fixedly connected to the mounting plates 4 located on both sides, the swing rod 22 is hinged with a hinge seat 23 fixedly connected to the mounting plate 4 located in the center, the swing rod 22 is fixedly connected to a rotating shaft 24 rotatably connected to the hinge seat 23, the rotating shaft 24 is connected to a driving shaft 26 through a fourth transmission gear set 25, a worm gear 27 is sleeved at the middle position of the driving shaft 26, the worm gear 27 is meshed with a worm 28, and the worm 28 is connected to a second motor 29.

[0050] Specifically, through the folding mechanism 3, the second motor 29 is started, the second motor 29 drives the driving shaft 26 to rotate through the worm 28 and the worm wheel 27, the driving shaft 26 drives the rotating shaft 24 to rotate through the fourth transmission gear set 25, the rotating shaft 24 drives the swing rod 22 to rotate, and the swing rod 22 drives the mounting plates 4 on both sides to move toward each other, so that the three groups of mounting plates 4 arranged in a horizontal state are folded into a triangle, so that each display screen 5 is located on one side of the triangle, thereby realizing a ring display.

[0051] In this embodiment, the transmission shaft between adjacent vertical shafts 12 is a sleeve-type telescopic rod, which includes a prismatic shaft 16 connected to the vertical shaft 12 located in the center through a second transmission gear set 15, and a prismatic sleeve 17 sleeved on the outside of the prismatic shaft 16 and slidably connected to the prismatic shaft 16. The prismatic sleeve 17 is connected to the vertical shafts 12 located on both sides for transmission through a third transmission gear set 18.

[0052] In this embodiment, the prism shaft 16 is a strip-shaped rod with a regular polygonal cross section, and a prism groove is provided in the prism sleeve 17 for the prism shaft 16 to slide.

[0053] Specifically, when the mounting plates 4 on both sides are folded, the transmission between the connected vertical shafts 12 is ensured by the telescopic sleeve-type telescopic rod.

[0054] In this embodiment, a sliding mounting frame 19 is sleeved on one end of the prism shaft 16 close to the central vertical axis 12, and the sliding mounting frame 19 is slidably connected to a sliding column 20, and the sliding column 20 is slidably connected to a mounting cylinder 21 fixedly connected to the mounting plate 4, and the mounting cylinder 21 is provided with an annular groove 2101 for the sliding column 20 to slide in a circle; a fixed mounting frame 31 is sleeved on one end of the prism sleeve 17 close to the vertical axes 12 on both sides, and the fixed mounting frame 31 is fixedly connected to the mounting cylinder 21 fixedly connected to the mounting plate 4.

[0055] In this embodiment, the prism shaft 16 passes through the sliding mounting frame 19 and is rotatably connected to the sliding mounting frame 19 ; the prism sleeve 17 passes through the fixed mounting frame 31 and is rotatably connected to the fixed mounting frame 31 .

[0056] Specifically, when the transmission shaft rotates, the transmission of the adjacent vertical shafts 12 is ensured.

[0057] In this embodiment, the driving shaft 26 passes through a mounting box 30 fixedly connected to the mounting plate 4 , and the second motor 29 is mounted in the mounting box 30 .

[0058] The above description is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto.

Claims

1. A multi-purpose LED display screen with a detachable structure, characterized in that: The invention comprises a base (1); three groups of horizontally spliced ​​display screen assemblies (2) are mounted on the base (1); the display screen assembly (2) comprises a mounting plate (4); a display screen (5) is mounted on the front side of the mounting plate (4); the three groups of display screens (5) are initially distributed in a stepped manner; the display screens (5) are fixedly connected to a lifting block (6) vertically slidably connected to the mounting plate (4); a screw rod (7) threadedly connected to the lifting block (6) is arranged inside the mounting plate (4); a passive gear (8) is fixedly connected to the lower end of the screw rod (7); the passive gear (8) A group of half-width gears (9) in central symmetry are provided below the wheel (8); the half-width gears (9) are fixedly connected to a horizontal shaft (10); the horizontal shaft (10) is connected to a vertical shaft (12) rotatably connected to the mounting plate (4) through a first transmission gear group (11); the vertical shaft (12) located in the middle extends to below the mounting plate (4) and is connected to a power shaft (13); the power shaft (13) extends into the base (1) and is connected to a first motor (14); adjacent vertical shafts (12) are connected for transmission via a transmission shaft.

2. A multi-purpose LED display screen with a detachable structure according to claim 1, characterized in that: The invention also comprises a folding mechanism (3) mounted on a mounting plate (4) located in the middle; the folding mechanism (3) comprises a group of swinging rods (22) symmetrically arranged and respectively fixedly connected to the mounting plates (4) located on both sides; the swinging rods (22) are hingedly connected to an articulated seat (23) fixedly connected to the mounting plate (4) located in the center; the swinging rods (22) are fixedly connected to a rotating shaft (24) rotatably connected to the articulated seat (23); the rotating shaft (24) is connected to a driving shaft (26) through a fourth transmission gear set (25); a worm gear (27) is sleeved at the middle position of the driving shaft (26); the worm gear (27) is meshed with a worm (28); and the worm (28) is connected to a second motor (29).

3. The multi-purpose LED display screen with a detachable structure according to claim 1, characterized in that: The mounting plate (4) is a rectangular plate. The mounting plate (4) is provided with a vertically arranged vertical slide groove (401). The lifting block (6) is nested in the vertical slide groove (401) and is slidably connected to the inner wall of the vertical slide groove (401).

4. The multi-purpose LED display screen with a detachable structure according to claim 1, characterized in that: The screw rod (7) is installed in the vertical slide groove (401), and the upper end of the screw rod (7) is rotatably connected to the top wall of the vertical slide groove (401) through a bearing seat. The lifting block (6) is provided with a threaded hole that matches the screw rod (7).

5. The multi-purpose LED display screen with a detachable structure according to claim 1, characterized in that: The lower part of the mounting plate (4) is provided with a receiving cavity (402) for receiving a half-width gear (9); the half-width gear (9) is arranged parallel to the mounting plate (4); both ends of the horizontal shaft (10) are rotatably connected to the inner wall of the receiving cavity (402) through a bearing seat; the screw rod (7) extends into the receiving cavity (402); the passive gear (8) is installed in the receiving cavity (402); the upper part of the vertical shaft (12) is nested in the receiving cavity (402) and is rotatably connected to the bottom plate of the receiving cavity (402) through a bearing.

6. The multi-purpose LED display screen with a detachable structure according to claim 1, characterized in that: The half-width gear (9) is fixedly connected with a latching tooth on half of the circumference, and when the passive gear (8) is engaged with one of the half-width gears (9), it is disengaged from the other half-width gear (9).

7. The multi-purpose LED display screen with a detachable structure according to claim 2, characterized in that: The mounting plate (4) located in the middle is fixedly connected to the base (1), and the mounting plates (4) located on both sides are hinged to the mounting plate (4) located in the middle.

8. The multi-purpose LED display screen with a detachable structure according to claim 2, characterized in that: The transmission shaft between adjacent vertical shafts (12) is a sleeve-type telescopic rod, and the transmission shaft comprises a prismatic shaft (16) connected to the vertical shaft (12) located at the center through a second transmission gear set (15), a prismatic sleeve (17) sleeved on the outside of the prismatic shaft (16) and slidably connected to the prismatic shaft (16), and the prismatic sleeve (17) is connected to the vertical shafts (12) located on both sides for transmission through a third transmission gear set (18).

9. The multi-purpose LED display screen with a detachable structure according to claim 8, characterized in that: The prism shaft (16) is a strip-shaped rod with a regular polygonal cross section, and a prism groove for the prism shaft (16) to slide is provided in the prism sleeve (17).

10. The multi-purpose LED display screen with a detachable structure according to claim 9, characterized in that: One end of the prism shaft (16) close to the central vertical axis (12) is sleeved with a sliding mounting frame (19), the sliding mounting frame (19) is slidably connected to a sliding column (20), the sliding column (20) is slidably connected to a mounting cylinder (21) fixedly connected to the mounting plate (4), the mounting cylinder (21) is provided with an annular groove (2101) for the sliding column (20) to slide in a circle; one end of the prism sleeve (17) close to the vertical axes (12) on both sides is sleeved with a fixed mounting frame (31), the fixed mounting frame (31) is fixedly connected to the mounting cylinder (21) fixedly connected to the mounting plate (4).

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