Link folding mechanism of LED screen

Abstract

The utility model discloses an LED screen chaining folding mechanism which comprises a bottom plate, the right side of the top of the bottom plate is fixedly connected with a box body, the top of the box body is movably connected with a motor through a first bearing, the output end of the motor is fixedly connected with a threaded rod, and the top of the surface of the threaded rod is sleeved with a threaded sleeve. The left side of the threaded sleeve is fixedly connected with a movable block, and the left side of the movable block penetrates to the left side of the box and is fixedly connected with a first adjusting box. The air cylinder works to drive the toothed plate to move downwards, the gear and the rotating rod drive the LED display screen to rotate till the LED display screen rotates to be in a horizontal state, the motor works to drive the threaded rod to rotate, and the threaded sleeve and the movable block drive the first adjusting box and all structures on the first adjusting box to move downwards as a whole. The rotary folding and storage device for the LED display screen is convenient to use, does not need to be installed, is convenient to carry, and is convenient for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of LED screens, in particular to a linking and folding mechanism of an LED screen. Background Art

[0002] The LED display screen is an electronic display screen composed of LED dot matrices. The screen display content is changed by turning on and off red and green light beads. The forms such as text, animation, pictures and videos are converted in a timely manner. The component display control is carried out through a modular structure. The display screen used in stage performances requires a link mechanism for installation.

[0003] The existing linking mechanism takes a lot of time to install and use the LED screen. Since it does not have a folding function, it will be disassembled after the performance to protect the LED screen. Both installation and disassembly are time-consuming and laborious, which brings inconvenience to people. A linking and folding mechanism for LED screens is introduced in a targeted manner. Utility Model Content

[0004] The purpose of the utility model is to provide a linking and folding mechanism for an LED screen, which has the advantages of folding, storage and protection, and solves the problem that the existing linking mechanism takes a lot of time when installing and using the LED screen. Since it does not have a folding function, it will be disassembled after the performance to protect the LED screen. Both installation and disassembly are time-consuming and labor-intensive, which brings inconvenience to people's use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a linking and folding mechanism of an LED screen, comprising a bottom plate, a box body is fixedly connected to the right side of the top of the bottom plate, a motor is movably connected to the top of the box body through a first bearing, a threaded rod is fixedly connected to the output end of the motor, a threaded sleeve is sleeved on the top of the surface of the threaded rod, a movable block is fixedly connected to the left side of the threaded sleeve, the left side of the movable block passes through the left side of the box body and is fixedly connected to a first adjustment box, a rotating rod is movably connected to the front side of the bottom of the right side of the inner cavity of the first adjustment box through a second bearing, a gear is sleeved on the surface of the rotating rod, and a gear is sleeved on the surface of the rotating rod. A cylinder is fixedly connected to the rear side of the top of the cavity, a tooth plate is fixedly connected to the bottom of the cylinder, the left side of the rotating rod penetrates to the left side of the first adjusting box and is fixedly connected to the LED display screen, a second adjusting box is arranged on the left side of the LED display screen, a movable rod is movably connected to the bottom of the left side of the inner cavity of the second adjusting box through a third bearing, the right side of the movable rod penetrates to the right side of the second adjusting box and is fixedly connected to the LED display screen, a vertical plate is fixedly connected to the left side of the top of the bottom plate, a storage plate is fixedly connected to the bottom between the vertical plate and the box body, a storage groove is provided on the top of the storage plate, and through grooves are provided on both sides of the top of the storage plate.

[0006] Preferably, a groove is opened at the axis center of the bottom of the base plate, and electric telescopic rods are fixedly connected to both sides of the bottom of the storage plate. The bottom of the electric telescopic rods penetrates into the inner cavity of the groove and is fixedly connected to a connecting plate, and universal wheels are fixedly connected around the bottom of the connecting plate.

[0007] Preferably, a protective shell is provided on the surface of the motor, and the protective shell is fixedly connected to the box body.

[0008] Preferably, a first sliding block is fixedly connected to the right side of the threaded sleeve, and a first sliding groove matched with the first sliding block is provided on the right side of the inner cavity of the box body.

[0009] Preferably, the bottom of the threaded rod is movably connected to the bottom of the inner cavity of the box body through a fourth bearing, and a movable groove adapted to the movable block is provided on the left side of the box body.

[0010] Preferably, a second sliding block is fixedly connected to the bottom of the left side of the second adjustment box, a second sliding groove matched with the second sliding block is provided on the right side of the vertical plate, and the gear is meshed with the toothed plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model drives the toothed plate downward through the cylinder, drives the LED display screen to rotate through the gear and the rotating rod until it rotates to a horizontal state, and drives the threaded rod to rotate through the motor, drives the first adjustment box and all the structures on the first adjustment box to move downward as a whole through the threaded sleeve and the movable block until the LED display screen completely enters the storage groove, that is, the rotation, folding and storage processing of the LED display screen is completed, which is convenient to use, does not need to be installed, and is easy to carry, which is convenient for people to use.

[0013] 2. The utility model can facilitate users to move the entire mechanism by providing grooves, electric telescopic rods, connecting plates and universal wheels. The protective shell can protect the motor. The first slider and the first slide groove can limit the threaded sleeve. The movable groove can ensure the normal operation of the movable block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 It is the front view of the structure of the utility model.

[0017] In the figure: 1. bottom plate; 2. box body; 3. motor; 4. threaded rod; 5. threaded sleeve; 6. movable block; 7. first adjustment box; 8. rotating rod; 9. gear; 10. cylinder; 11. tooth plate; 12. LED display screen; 13. second adjustment box; 14. movable rod; 15. vertical plate; 16. storage plate; 17. storage slot; 18. through slot; 19. movable slot. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] See also Figure 1-3A link folding mechanism for an LED screen comprises a bottom plate 1, a box body 2 is fixedly connected to the right side of the top of the bottom plate 1, a motor 3 is movably connected to the top of the box body 2 through a first bearing, a protective shell is sleeved on the surface of the motor 3, the protective shell is fixedly connected to the box body 2, and the motor 3 can be protected by setting the protective shell, a threaded rod 4 is fixedly connected to the output end of the motor 3, a threaded sleeve 5 is sleeved on the top of the surface of the threaded rod 4, a first slider is fixedly connected to the right side of the threaded sleeve 5, a first slide groove adapted to the first slider is opened on the right side of the inner cavity of the box body 2, and the threaded sleeve 5 can be limited by setting the first slider and the first slide groove, a movable block 6 is fixedly connected to the left side of the threaded sleeve 5, and the left side of the movable block 6 penetrates to the left side of the box body 2 The first adjusting box 7 is fixedly connected to the side, the bottom of the threaded rod 4 is movably connected to the bottom of the inner cavity of the box body 2 through the fourth bearing, and a movable groove 19 adapted to the movable block 6 is provided on the left side of the box body 2. By setting the movable groove 19, the normal operation of the movable block 6 can be guaranteed. The front side of the bottom of the right side of the inner cavity of the first adjusting box 7 is movably connected with a rotating rod 8 through a second bearing, and a gear 9 is sleeved on the surface of the rotating rod 8. The rear side of the top of the inner cavity of the first adjusting box 7 is fixedly connected with a cylinder 10, and the bottom of the cylinder 10 is fixedly connected with a toothed plate 11. The left side of the rotating rod 8 passes through the left side of the first adjusting box 7 and is fixedly connected with an LED display screen 12. A second adjusting box 13 is provided on the left side of the LED display screen 12. The bottom of the left side of the inner cavity of the second adjusting box 13 A movable rod 14 is movably connected through the third bearing, the right side of the movable rod 14 penetrates to the right side of the second adjustment box 13 and is fixedly connected to the LED display screen 12, a vertical plate 15 is fixedly connected to the left side of the top of the bottom plate 1, a second slider is fixedly connected to the bottom of the left side of the second adjustment box 13, a second slide groove matched with the second slider is provided on the right side of the vertical plate 15, the gear 9 is meshed with the toothed plate 11, a storage plate 16 is fixedly connected to the bottom between the vertical plate 15 and the box body 2, a groove is provided at the axis center of the bottom of the bottom of the bottom plate 1, both sides of the bottom of the storage plate 16 are fixedly connected to electric telescopic rods, the bottom of the electric telescopic rod penetrates to the inner cavity of the groove and is fixedly connected to a connecting plate, and universal wheels are fixedly connected to the bottom of the connecting plate around the bottom, by setting the groove The slot, electric telescopic rod, connecting plate and universal wheel can facilitate users to move the entire mechanism. A storage slot 17 is provided on the top of the storage plate 16, and through slots 18 are provided on both sides of the top of the storage plate 16. The cylinder 10 drives the toothed plate 11 to move downward, and the gear 9 and the rotating rod 8 drive the LED display screen 12 to rotate until it rotates to a horizontal state, so that the motor 3 drives the threaded rod 4 to rotate, and the threaded sleeve 5 and the movable block 6 drive the first adjustment box 7 and all structures on the first adjustment box 7 to move downward as a whole until the LED display screen 12 completely enters the storage slot 17, that is, the rotation, folding and storage processing of the LED display screen 12 is completed. It is easy to use, does not need to be installed, and is easy to carry, which is convenient for people to use.

[0020] When in use, the cylinder 10 drives the toothed plate 11 to move downward, and the gear 9 and the rotating rod 8 drive the LED display screen 12 to rotate until it rotates to a horizontal state, so that the motor 3 drives the threaded rod 4 to rotate, and the threaded sleeve 5 and the movable block 6 drive the first adjustment box 7 and all structures on the first adjustment box 7 to move downward as a whole until the LED display screen 12 completely enters the storage groove 17, that is, the rotation, folding and storage processing of the LED display screen 12 is completed. It is easy to use, does not need to be installed, and is easy to carry, which is convenient for people to use.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A linking and folding mechanism for an LED screen, comprising a bottom plate (1), characterized in that: The right side of the top of the bottom plate (1) is fixedly connected to a box body (2), the top of the box body (2) is movably connected to a motor (3) via a first bearing, the output end of the motor (3) is fixedly connected to a threaded rod (4), the top of the surface of the threaded rod (4) is sleeved with a threaded sleeve (5), the left side of the threaded sleeve (5) is fixedly connected to a movable block (6), the left side of the movable block (6) penetrates to the left side of the box body (2) and is fixedly connected to a first adjustment box (7), the front side of the bottom of the right side of the inner cavity of the first adjustment box (7) is movably connected to a rotating rod (8) via a second bearing, the surface of the rotating rod (8) is sleeved with a gear (9), the rear side of the top of the inner cavity of the first adjustment box (7) is fixedly connected to a cylinder (10), the bottom of the cylinder (10) is fixedly connected to a toothed plate (11), the left side of the rotating rod (8) passes through the left side of the first adjustment box (7) and is fixedly connected to the LED display screen (12), the left side of the LED display screen (12) is provided with a second adjustment box (13), the bottom of the left side of the inner cavity of the second adjustment box (13) is movably connected to a movable rod (14) through a third bearing, the right side of the movable rod (14) passes through the right side of the second adjustment box (13) and is fixedly connected to the LED display screen (12), the left side of the top of the bottom plate (1) is fixedly connected to a vertical plate (15), the bottom between the vertical plate (15) and the box body (2) is fixedly connected to a storage plate (16), the top of the storage plate (16) is provided with a storage groove (17), and both sides of the top of the storage plate (16) are provided with through grooves (18).

2. The linking and folding mechanism of the LED screen according to claim 1, characterized in that: A groove is provided at the axis center of the bottom of the base plate (1), and both sides of the bottom of the storage plate (16) are fixedly connected to electric telescopic rods, the bottom of the electric telescopic rods penetrates into the inner cavity of the groove and is fixedly connected to a connecting plate, and universal wheels are fixedly connected around the bottom of the connecting plate.

3. The linking and folding mechanism of the LED screen according to claim 1, characterized in that: The surface of the motor (3) is covered with a protective shell, and the protective shell is fixedly connected to the box body (2).

4. The linking and folding mechanism of the LED screen according to claim 1, characterized in that: A first sliding block is fixedly connected to the right side of the threaded sleeve (5), and a first sliding groove matched with the first sliding block is provided on the right side of the inner cavity of the box body (2).

5. The linking and folding mechanism of the LED screen according to claim 1, characterized in that: The bottom of the threaded rod (4) is movably connected to the bottom of the inner cavity of the box body (2) via a fourth bearing, and a movable groove (19) adapted to the movable block (6) is provided on the left side of the box body (2).

6. The linking and folding mechanism of the LED screen according to claim 1, characterized in that: A second sliding block is fixedly connected to the bottom of the left side of the second adjustment box (13), a second sliding groove matched with the second sliding block is opened on the right side of the vertical plate (15), and the gear (9) is meshed with the toothed plate (11).

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