Video projection device for dance teaching

Abstract

The utility model discloses a video projection device for dance teaching, which comprises a transverse plate, the left side of the bottom of the transverse plate is fixedly connected with a vertical plate, an electric telescopic rod is arranged on the surface of the vertical plate in a penetrating manner, the output end of the electric telescopic rod is fixedly connected with a shell, and the top of the inner cavity of the shell is fixedly connected with a motor. The output end of the motor is fixedly connected with a threaded rod, and the surface of the threaded rod is in threaded connection with a threaded sleeve. Through cooperation of the transverse plate, the vertical plate, the electric telescopic rod, the shell, the motor, the threaded rod, the threaded sleeve, the connecting block, the projector body and the baffle, the advantage of a position adjusting function is achieved, some defects existing in use of an existing video projection device for dance teaching are overcome, and if the existing video projection device does not have the position adjusting function, the projector can be conveniently used. The problems that the projection position of the video projection device for dance teaching cannot be adjusted according to use requirements, so that a user cannot watch conveniently, and the current market requirements cannot be met are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dance teaching, in particular to a video projection device for dance teaching. Background Art

[0002] Dance teaching is the behavior and process of enabling the educated to master dance knowledge, learn dance techniques, and improve dance ability through various methods. There are three mainstream forms of dance teaching, namely traditional on-site teaching, distance learning, and dance teaching video teaching. Video projection devices are used for projection teaching in dance teaching.

[0003] However, the previous video projection devices for dance teaching have some defects in use, such as the lack of a position adjustment function, and the inability to adjust the projection position of the video projection device for dance teaching according to usage requirements, which is inconvenient for users to watch and cannot meet the needs of the current market. Due to the above problems, the practicality and usability of the video projection device for dance teaching are reduced, and a video projection device for dance teaching is specifically introduced. Utility Model Content

[0004] The purpose of the utility model is to provide a video projection device for dance teaching, which has the advantage of a position adjustment function and solves some defects in the use of previous video projection devices for dance teaching, such as the lack of a position adjustment function and the inability to adjust the projection position of the video projection device for dance teaching according to the use requirements, which is inconvenient for users to watch and cannot meet the current market demand.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a video projection device for dance teaching, comprising a horizontal board, a vertical board is fixedly connected to the left side of the bottom of the horizontal board, an electric telescopic rod is penetrated through the surface of the vertical board, the output end of the electric telescopic rod is fixedly connected to a shell, a motor is fixedly connected to the top of the inner cavity of the shell, a threaded rod is fixedly connected to the output end of the motor, a threaded sleeve is threadedly connected to the surface of the threaded rod, a connecting block is fixedly connected to the right side of the threaded sleeve, a projector body is fixedly connected to the right side of the connecting block, and a baffle is fixedly connected to the top of the right side of the shell.

[0006] Preferably, a limiting hole is opened on the left side of the vertical plate, a limiting rod is arranged in the inner cavity of the limiting hole, and the right end of the limiting rod is fixedly connected to the left side of the shell.

[0007] Preferably, a slide groove is provided on the left side of the inner cavity of the shell, a slider is slidably connected to the inner wall of the slide groove, and the right side of the slider is fixedly connected to the left side of the threaded sleeve.

[0008] Preferably, a wireless controller is fixedly connected to the bottom of the left side of the shell, and a junction box is fixedly connected to the bottom of the left side of the wireless controller.

[0009] Preferably, a groove is provided at the bottom of the transverse plate, a sliding rod is fixedly connected to the inner wall of the groove, a sliding sleeve is sleeved on the surface of the sliding rod, and the bottom of the sliding sleeve is fixedly connected to the top of the shell.

[0010] Preferably, mounting plates are fixedly connected to both sides of the top of the transverse plate, and mounting holes are provided on the surfaces of the mounting plates.

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

[0012] 1. The utility model achieves the advantage of having a position adjustment function through the coordination of a horizontal plate, a vertical plate, an electric telescopic rod, a shell, a motor, a threaded rod, a threaded sleeve, a connecting block, a projector body and a baffle, and solves some defects in the use of previous video projection devices for dance teaching, such as the lack of a position adjustment function, the inability to adjust the projection position of the video projection device for dance teaching according to the use requirements, which is inconvenient for users to watch and cannot meet the current market demand.

[0013] 2. The utility model sets a limit hole and a limit rod to limit the shell, thereby improving the stability of the shell when it moves left and right; sets a slide groove and a slider to limit the threaded sleeve, thereby improving the stability of the threaded sleeve when it moves up and down; sets a wireless controller for wireless control; sets a junction box for connecting and transmitting electric energy; sets a groove, a slide rod and a slide sleeve to further improve the stability of the shell when it moves left and right; sets a mounting plate and a mounting hole to cooperate with bolts to install the video projection device for dance teaching at a specified position. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an isometric view of the structure of the utility model;

[0015] Figure 2 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 3 It is a cross-sectional view of the structure of the utility model.

[0017] In the figure: 1. horizontal plate; 2. vertical plate; 3. electric telescopic rod; 4. shell; 5. motor; 6. threaded rod; 7. threaded sleeve; 8. connecting block; 9. projector body; 10. baffle; 11. limit hole; 12. limit rod; 13. slide groove; 14. slider; 15. wireless controller; 16. junction box; 17. groove; 18. slide rod; 19. slide sleeve; 20. mounting plate; 21. mounting hole. 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 1-3 A video projection device for dance teaching comprises a horizontal board 1, a vertical board 2 is fixedly connected to the left side of the bottom of the horizontal board 1, an electric telescopic rod 3 is penetrated on the surface of the vertical board 2, an output end of the electric telescopic rod 3 is fixedly connected to a shell 4, a motor 5 is fixedly connected to the top of the inner cavity of the shell 4, a threaded rod 6 is fixedly connected to the output end of the motor 5, a threaded sleeve 7 is threadedly connected to the surface of the threaded rod 6, a connecting block 8 is fixedly connected to the right side of the threaded sleeve 7, a projector body 9 is fixedly connected to the right side of the connecting block 8, and a baffle 10 is fixedly connected to the top of the right side of the shell 4. Through the cooperation of the horizontal board 1, the vertical board 2, the electric telescopic rod 3, the shell 4, the motor 5, the threaded rod 6, the threaded sleeve 7, the connecting block 8, the projector body 9 and the baffle 10, the advantage of having a position adjustment function is achieved, and some defects of the previous video projection device for dance teaching in use are solved, such as not having a position adjustment function, and the projection position of the video projection device for dance teaching cannot be adjusted according to the use requirements, which is inconvenient for users to watch and cannot meet the current market demand.

[0020] A limiting hole 11 is provided on the left side of the vertical plate 2 . A limiting rod 12 is disposed in the inner cavity of the limiting hole 11 . The right end of the limiting rod 12 is fixedly connected to the left side of the housing 4 .

[0021] Through the above technical solution, by providing the limiting hole 11 and the limiting rod 12, the housing 4 is limited to improve the stability of the housing 4 when it moves left and right.

[0022] A slide groove 13 is provided on the left side of the inner cavity of the housing 4 , and a slider 14 is slidably connected to the inner wall of the slide groove 13 , and the right side of the slider 14 is fixedly connected to the left side of the threaded sleeve 7 .

[0023] Through the above technical solution, the slide groove 13 and the slider 14 are provided to limit the threaded sleeve 7 and improve the stability of the threaded sleeve 7 when it moves up and down.

[0024] A wireless controller 15 is fixedly connected to the bottom of the left side of the housing 4 , and a junction box 16 is fixedly connected to the bottom of the left side of the wireless controller 15 .

[0025] Through the above technical solution, a wireless controller 15 is provided for wireless control, and a junction box 16 is provided for connection and transmission of electric energy.

[0026] A groove 17 is formed at the bottom of the transverse plate 1 , a slide bar 18 is fixedly connected to the inner wall of the groove 17 , a slide sleeve 19 is sleeved on the surface of the slide bar 18 , and the bottom of the slide sleeve 19 is fixedly connected to the top of the housing 4 .

[0027] Through the above technical solution, by providing the groove 17, the slide rod 18 and the slide sleeve 19, the stability of the housing 4 when moving left and right is further improved.

[0028] Both sides of the top of the transverse plate 1 are fixedly connected with mounting plates 20 , and mounting holes 21 are formed on the surface of the mounting plates 20 .

[0029] Through the above technical solution, by providing the mounting plate 20 and the mounting hole 21, the dance teaching video projection device can be mounted at a designated position in cooperation with the bolts.

[0030] When in use, the dance teaching video projection device is installed at a designated position through the mounting plate 20 and the mounting hole 21 with bolts. The user controls the electric telescopic rod 3 and the motor 5 to work through the wireless controller 15. The electric telescopic rod 3 drives the shell 4 to move left and right, and the shell 4 drives the projector body 9 to move left and right to adjust the horizontal position of the projector body 9. The output end of the motor 5 drives the threaded rod 6 to rotate, and the threaded rod 6 drives the threaded sleeve 7 to move up and down, and the threaded sleeve 7 drives the projector body 9 to move up and down to adjust the vertical position of the projector body 9.

[0031] 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 video projection device for dance teaching, comprising a horizontal board (1), characterized in that: The left side of the bottom of the horizontal plate (1) is fixedly connected to a vertical plate (2); the surface of the vertical plate (2) is penetrated by an electric telescopic rod (3); the output end of the electric telescopic rod (3) is fixedly connected to a housing (4); the top of the inner cavity of the housing (4) is fixedly connected to a motor (5); the output end of the motor (5) is fixedly connected to a threaded rod (6); the surface of the threaded rod (6) is threadedly connected to a threaded sleeve (7); the right side of the threaded sleeve (7) is fixedly connected to a connecting block (8); the right side of the connecting block (8) is fixedly connected to a projector body (9); and the top of the right side of the housing (4) is fixedly connected to a baffle (10).

2. A video projection device for dance teaching according to claim 1, characterized in that: A limiting hole (11) is provided on the left side of the vertical plate (2), a limiting rod (12) is provided in the inner cavity of the limiting hole (11), and the right end of the limiting rod (12) is fixedly connected to the left side of the shell (4).

3. A video projection device for dance teaching according to claim 1, characterized in that: A slide groove (13) is provided on the left side of the inner cavity of the housing (4), a slider (14) is slidably connected to the inner wall of the slide groove (13), and the right side of the slider (14) is fixedly connected to the left side of the threaded sleeve (7).

4. A video projection device for dance teaching according to claim 1, characterized in that: A wireless controller (15) is fixedly connected to the bottom of the left side of the housing (4), and a junction box (16) is fixedly connected to the bottom of the left side of the wireless controller (15).

5. A video projection device for dance teaching according to claim 1, characterized in that: The bottom of the horizontal plate (1) is provided with a groove (17), the inner wall of the groove (17) is fixedly connected with a slide rod (18), the surface of the slide rod (18) is sleeved with a slide sleeve (19), and the bottom of the slide sleeve (19) is fixedly connected to the top of the shell (4).

6. A video projection device for dance teaching according to claim 1, characterized in that: Both sides of the top of the transverse plate (1) are fixedly connected with mounting plates (20), and mounting holes (21) are provided on the surface of the mounting plates (20).

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