Gear structure device for arc-shaped rental LED display screen

Abstract

The utility model relates to the technical field of LED display screens, and discloses a gear structure device for an arc-shaped rental LED display screen, which comprises an aluminum circular tube, a gear barrel shaft is fixedly connected to the inner wall of the aluminum circular tube, a gear fixing frame is fixedly arranged at the output end of the gear barrel shaft, a first sliding plate is arranged on the upper surface of the gear fixing frame, and a second sliding plate is arranged on the upper surface of the first sliding plate. The outer wall of the gear fixing frame is fixedly connected with a first gear, the tooth end of the first gear is connected with a first rack guide block in a meshed mode, the lower surface of the first sliding plate is fixedly connected with a second rack guide block, and the tooth end of the second rack guide block is connected with a second gear in a meshed mode. According to the utility model, the gear barrel shaft is started to drive the gear fixing frame and the first gear, the first rack guide block and the first sliding plate are driven to move leftwards, the second rack guide block drives the second gear to rotate leftwards, and under the action of the second gear, the first sliding plate and the toothed plate enable the display screen to smoothly stretch out and draw back in the radian adjusting process; and the stability and the consistency of radian adjustment of the display screen at different angles are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen technical field especially relates to a gear structure device for arc leasing LED display screen. BACKGROUND

[0002] LED display screen is a kind of screen using light emitting diode (LED) technology to carry out image and character display.It has the characteristics of high brightness, low energy consumption, long service life and fast response, and is widely used in advertising, public information display, television, stage performance, traffic indication and other fields.In the use of LED display screen, in order to realize accurate installation in the application of arc or curved display screen, a gear structure device needs to be used.

[0003] Gear structure angle adjusting device for arc leasing LED display screen is a specially designed mechanical system for adjusting and fixing the arc of display screen, and in the prior art, a plurality of gears are usually used for installing LED display screen, which is too cumbersome and inconvenient to keep stable during installation, affecting the use of the device. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a gear structure device for arc leasing LED display screen, aiming at improving the problem that the gear structure device is inconvenient to keep the display screen installation stable during use.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A gear structure device for arc leasing LED display screen, comprising an aluminum round pipe, the inner wall of the aluminum round pipe is fixedly connected with a gear barrel shaft, the output end of the gear barrel shaft is fixedly provided with a gear fixing frame, the upper surface of the gear fixing frame is provided with a sliding plate one, the outer wall of the gear fixing frame is fixedly connected with a gear one, the gear end of the gear one is engagedly connected with a rack guide block one, the outer wall of the rack guide block one is fixedly connected to the inner wall of the sliding plate one, the lower surface of the sliding plate one is fixedly connected with a rack guide block two, the gear end of the rack guide block two is engagedly connected with a gear two, the inside of the gear two is rotatably connected with a fixed rod, the gear end of the gear two is engagedly connected with a toothed plate, the outer walls of the sliding plate one and the toothed plate are both slidably connected with an angle lock outer shell, both ends of the fixed rod are fixedly connected in the inside of the angle lock outer shell, the lower surface of the angle lock outer shell is provided with a limiting assembly, and the limiting assembly is used to limit the rotation of the gear fixing frame.

[0007] Preferably, the limiting component comprises a gear, the upper surface of the gear is arranged on the lower surface of the angle lock shell, the inner part of the gear is fixedly connected to the outer wall of the gear fixing frame, the tooth end of the gear is meshingly connected with a tooth-shaped pull piece, the inner part of the tooth-shaped pull piece is fixedly connected with an elastic spring on the right side, and the outer wall of the elastic spring on the right side is fixedly connected with a pull piece adjusting cover.

[0008] Preferably, the inner part of the tooth-shaped pull piece is rotatably connected to the middle outer wall of the pull piece adjusting cover, and the upper surface of the pull piece adjusting cover is fixedly connected to the lower surface of the angle lock shell.

[0009] Preferably, the inner part of the tooth-shaped pull piece is rotatably connected to the middle outer wall of the pull piece adjusting cover, and the upper surface of the pull piece adjusting cover is fixedly connected to the lower surface of the angle lock shell.

[0010] Preferably, the inner part of the tooth-shaped pull piece is rotatably connected to the middle outer wall of the pull piece adjusting cover, and the upper surface of the pull piece adjusting cover is fixedly connected to the lower surface of the angle lock shell.

[0011] Preferably, the inner part of the tooth-shaped pull piece is rotatably connected to the middle outer wall of the pull piece adjusting cover, and the upper surface of the pull piece adjusting cover is fixedly connected to the lower surface of the angle lock shell.

[0012] Preferably, the inner part of the tooth-shaped pull piece is rotatably connected to the middle outer wall of the pull piece adjusting cover, and the upper surface of the pull piece adjusting cover is fixedly connected to the lower surface of the angle lock shell.

[0013] Preferably, the inner part of the tooth-shaped pull piece is rotatably connected to the middle outer wall of the pull piece adjusting cover, and the upper surface of the pull piece adjusting cover is fixedly connected to the lower surface of the angle lock shell.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the gear barrel shaft is started to drive the gear fixing frame and the gear one, the rack guide block one and the sliding plate one are driven to move left, the rack guide block two drives the gear two to rotate left, under the action of the gear two, the sliding plate one and the toothed plate make the display screen realize smooth expansion in the installation process, and the stability and consistency of the display screen under different angles are ensured.

[0016] 2. In the utility model, the gear two and the rack guide block two are matched, the expansion of the sliding plate one and the toothed plate reaches the accuracy and flexibility of the display screen in the installation process. DRAWINGS

[0017] Fig. 1 A perspective view of a gear structure device for an arc-shaped rental LED display screen is provided for the utility model;

[0018] Fig. 2 A fixed rod partial structure schematic view of the gear structure device for the arc-shaped rental LED display screen is provided for the utility model;

[0019] Fig. 3 A gear fixing frame partial structure schematic view of the gear structure device for the arc-shaped rental LED display screen is provided for the utility model.

[0020] Legend:

[0021] 1, aluminum pipe; 2, gear barrel shaft; 3, gear fixed frame; 4, gear one; 5, rack guide block one; 6, slide plate one; 7, rack guide block two; 8, gear two; 9, fixed rod; 10, toothed plate; 11, angle lock shell; 12, pull piece adjusting cover; 13, toothed pull piece; 14, tension spring; 15, gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Reference Figs. 1-3 An embodiment provided by the present application: a gear structure device for arc-shaped rental LED display screens, comprising an aluminum pipe 1, the inner wall of the aluminum pipe 1 is fixedly connected with a gear barrel shaft 2, the output end of the gear barrel shaft 2 is fixedly provided with a gear fixed frame 3, the upper surface of the gear fixed frame 3 is provided with a slide plate one 6, the outer wall of the gear fixed frame 3 is fixedly connected with a gear one 4, the tooth end of the gear one 4 is meshingly connected with a rack guide block one 5, the outer wall of the rack guide block one 5 is fixedly connected to the inner wall of the slide plate one 6, the lower surface of the slide plate one 6 is fixedly connected with a rack guide block two 7, the tooth end of the rack guide block two 7 is meshingly connected with a gear two 8, the inside of the gear two 8 is rotatably connected with a fixed rod 9, the tooth end of the gear two 8 is meshingly connected with a toothed plate 10, the outer walls of the slide plate one 6 and the toothed plate 10 are both slidingly connected with an angle lock shell 11, both ends of the fixed rod 9 are fixedly connected inside the angle lock shell 11, the lower surface of the angle lock shell 11 is provided with a limiting assembly, the limiting assembly is used for limiting the rotation of the gear fixed frame 3; the limiting assembly comprises a gear 15, the upper surface of the gear 15 is arranged on the lower surface of the angle lock shell 11, the inside of the gear 15 is fixedly connected to the outer wall of the gear fixed frame 3, the tooth end of the gear 15 is meshingly connected with a toothed pull piece 13, the right side inside of the toothed pull piece 13 is fixedly connected with a tension spring 14, the right side outer wall of the tension spring 14 is fixedly connected with a pull piece adjusting cover 12.

[0024] Specifically, the inner wall of the aluminum round pipe 1 is fixed with the gear barrel shaft 2, the gear fixed frame 3 is driven, the gear one 4 drives the rack guide block one 5 through the gear fixed frame 3, and then the sliding plate one 6 is driven, the rack guide block two 7 drives the gear two 8 through the sliding plate one 6, the angle lock shell 11 fixes the fixed rod 9, the fixed rod 9 supports the rotation of the gear two 8, the left and right sides of the angle lock shell 11 are consistent, the sliding plate one 6 and the gear plate 10 are telescopic under the action of the gear two 8, the tooth-shaped pull-out piece 13 limits the gear 15 under the action of the tension spring 14 when the gear barrel shaft 2 is not used, and then the sliding plate one 6 is limited, the upper surface of the gear fixed frame 3 is movable in the inner wall of the sliding plate one 6, and then the sliding plate one 6 is supported.

[0025] With reference to Figs. 1-3 , the inside of the tooth-shaped pull-out piece 13 is rotatably connected to the middle outer wall of the pull-out piece adjusting cover 12, and the upper surface of the pull-out piece adjusting cover 12 is fixedly connected to the lower surface of the angle lock shell 11.

[0026] Specifically, the middle outer wall of the pull-out piece adjusting cover 12 supports the rotation of the tooth-shaped pull-out piece 13, and the angle lock shell 11 fixes the pull-out piece adjusting cover 12.

[0027] With reference to Fig. 1 and Fig. 2 , the inside of the angle lock shell 11 is hollow, and the inner wall of the sliding plate one 6 is provided with an opening; the sliding plate one 6 is located on the upper side of the gear two 8, and the gear plate 10 is located on the lower side of the gear two 8.

[0028] Specifically, the inside of the angle lock shell 11 is hollow, which is used for the sliding of the sliding plate one 6 and the gear plate 10, and also achieves the effect of offset limiting the adjustment angle of the sliding of the sliding plate one 6 and the gear plate 10. The inner wall of the sliding plate one 6 is provided with an opening, which facilitates the movement of the sliding plate one 6.

[0029] With reference to Fig. 3 , the gear one 4 is located on the upper side of the gear fixed frame 3; the gear 15 is located on the lower side of the gear fixed frame 3; and the lower surface of the gear 15 is arranged on the upper surface of the aluminum round pipe 1.

[0030] Specifically, the gear one 4 and the gear 15 arranged on the upper and lower sides of the gear fixed frame 3 reserve enough space for the rotation of the gear one 4.

[0031] Working principle: when using the device, by starting gear barrel shaft 2 drive gear fixed frame 3, gear one 4 and gear 15 are driven to rotate at the same time, under the action of elastic spring 14, gear-shaped pull piece 13 swing, through gear one 4 drive rack guide block one 5 to the right, under the action of rack guide block two 7, drive gear two 8 in the outer wall of fixed rod 9 rotation, angle lock shell 11 through fixed rod 9 to the rotation of gear two 8 reach the support effect, through gear two 8 drive slide plate one 6 and toothed plate 10 to the center of angle lock shell 11 movement, further reach the effect of telescopic angle adjustment, when not using the device, through gear 15 and gear-shaped pull piece 13, under the action of elastic force of elastic spring 14, prevent gear fixed frame 3 due to the outside of the shaking, make slide plate one 6 move effect, the device in the process of using not only makes slide plate one 6 and toothed plate 10 telescopic, reach the effect of adapting to the size and round semicircular shape of display screen, also has the effect of realizing to improve the stability of the device after telescopic.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application have been described, and is not intended to limit the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A gear structure device for arc-shaped rental LED display screen, comprising an aluminum round pipe (1), characterized in that: The inner wall of the aluminum round pipe (1) is fixedly connected with a gear barrel shaft (2), the output end of the gear barrel shaft (2) is fixedly provided with a gear fixed frame (3), the upper surface of the gear fixed frame (3) is provided with a sliding plate one (6), the outer wall of the gear fixed frame (3) is fixedly connected with a gear one (4), the tooth end of the gear one (4) is engagedly connected with a rack guide block one (5), the outer wall of the rack guide block one (5) is fixedly connected to the inner wall of the sliding plate one (6), the lower surface of the sliding plate one (6) is fixedly connected with a rack guide block two (7), the tooth end of the rack guide block two (7) is engagedly connected with a gear two (8), the inside of the gear two (8) is rotatably connected with a fixed rod (9), the tooth end of the gear two (8) is engagedly connected with a toothed plate (10), the outer walls of the sliding plate one (6) and the toothed plate (10) are both slidably connected with an angle lock shell (11), both ends of the fixed rod (9) are fixedly connected inside the angle lock shell (11), the lower surface of the angle lock shell (11) is provided with a limiting component, and the limiting component is used to limit the rotation of the gear fixed frame (3).

2. The gear structure device for the arc-shaped rental LED display screen according to claim 1, wherein: The limiting component comprises a gear (15), the upper surface of the gear (15) is arranged on the lower surface of the angle lock shell (11), the inside of the gear (15) is fixedly connected to the outer wall of the gear fixed frame (3), the tooth end of the gear (15) is engagedly connected with a toothed pull piece (13), the right side inside of the toothed pull piece (13) is fixedly connected with a tension spring (14), and the right side outer wall of the tension spring (14) is fixedly connected with a pull piece adjusting cover (12).

3. The gear structure device for the arc-shaped rental LED display screen according to claim 2, characterized in that: The inside of the toothed pull piece (13) is rotatably connected to the middle outer wall of the pull piece adjusting cover (12), and the upper surface of the pull piece adjusting cover (12) is fixedly connected to the lower surface of the angle lock shell (11).

4. The gear structure device for the arc-shaped rental LED display screen according to claim 1, wherein: The inside of the angle lock shell (11) is hollow, and the inner wall of the sliding plate one (6) is provided with an opening.

5. The gear structure device for the arc-shaped rental LED display screen according to claim 1, wherein: The sliding plate one (6) is located on the upper side of the gear two (8), and the toothed plate (10) is located on the lower side of the gear two (8).

6. The gear structure device for the arc-shaped rental LED display screen according to claim 1, wherein: The gear one (4) is located on the upper side of the gear fixed frame (3).

7. The gear structure device for the arc-shaped rental LED display screen according to claim 2, characterized in that: The gear (15) is located on the lower side of the gear fixed frame (3). 8.The gear structure device for arc-shaped rental LED display screen according to claim 2, wherein: The lower surface of the gear (15) is arranged on the upper surface of the aluminum round pipe (1).

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