Demonstration equipment

Abstract

The utility model relates to the technical field of demonstration equipment, and discloses demonstration equipment which comprises a bottom plate, a storage box is fixedly mounted on the upper surface of the bottom plate, a motor is fixedly mounted at the bottom of the bottom plate, a first transmission rod is in spline connection with the output end of the motor, and a rotating plate is fixedly mounted at one end of the first transmission rod. An electric push rod is fixedly installed on the upper surface of the rotating plate, and a push plate is fixedly installed on the upper surface of the electric push rod. Through cooperative arrangement of the rotating handle, the connecting rod, the two-way threaded conveying rod, the threaded block and the clamping plate, during use, a person rotates the rotating handle to drive the connecting rod to rotate, then the two-way threaded conveying rod is driven to rotate through the connecting rod, and then the two-way threaded conveying rod rotates to drive the threaded block and the clamping plate to move; therefore, the effect of clamping and fixing the demonstration bodies of different models by conveniently adjusting the distance between the clamping plates is achieved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of demonstration equipment, in particular to a demonstration equipment. Background Art

[0002] A device for popularizing ideological and political education with the publication number CN210925317U comprises a base, a pillar is fixedly connected to the top of the base, a solar panel is fixedly connected to the top of the bracket, a lightning rod is fixedly connected to the top of the protective plate, a signal receiver is fixedly connected to the top of the protective plate, a power supply is fixedly connected to the inside of the box, a remote transmission device is fixedly connected to the inside of the box, a signal processing device is fixedly connected to the inside of the box, a motor is fixedly connected to the inside of the box, a through hole is opened on the outer wall of the box, a monitoring device is fixedly connected to the bottom of the protective plate, an LED screen is fixedly connected to the inside of the box, and a protective glass is fixedly connected to the front of the box. The device for popularizing ideological and political education has the advantages of good energy-saving effect, good protection measures, good safety performance, good heat dissipation, increased update speed, and enhanced aesthetics.

[0003] The above patent states that the existing demonstration equipment usually has good protective measures and safety performance, but it is not convenient to adjust the spacing between the splints to tighten and fix demonstration bodies of different models, which reduces the practicality of the device and is not convenient for cleaning the demonstration screen. Therefore, the utility model provides a demonstration device. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a demonstration device to solve the problems raised in the above background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention provides the following technical solutions:

[0008] A demonstration device comprises a base plate, a storage box is fixedly installed on the upper surface of the base plate, a motor is fixedly installed on the bottom of the base plate, a first transmission rod is splinedly connected to the output end of the motor, a rotating plate is fixedly installed on one end of the first transmission rod, an electric push rod is fixedly installed on the upper surface of the rotating plate, a push plate is fixedly installed on the upper surface of the electric push rod, a placement frame is fixedly installed on the upper surface of the push plate, a turning handle is rotatably connected to the front of the placement frame, a connecting rod is fixedly installed on the back of the turning handle, a bidirectional threaded conveying rod is fixedly installed on one end of the connecting rod, a first limiting rod is fixedly installed on one side of the bidirectional threaded conveying rod, a threaded block is threadedly connected to the surface of the bidirectional threaded conveying rod through a first threaded hole, a clamping plate is fixedly installed on the upper surface of the threaded block, and a groove is provided on the inner bottom of the placement frame.

[0009] Preferably, a demonstration display screen is placed inside the placement frame, and a loudspeaker is fixedly installed on the front of the demonstration display screen.

[0010] Preferably, an adjustment button is fixedly mounted on one side of the loudspeaker, and a placement plate is fixedly mounted on the other side of the loudspeaker.

[0011] Preferably, a servo motor is fixedly mounted on one side of the placement plate, and an output end of the servo motor is spline-connected to a second transmission rod.

[0012] Preferably, a threaded rod is fixedly mounted on one end of the second transmission rod, and a second limiting rod is fixedly mounted on one side of the threaded rod.

[0013] Preferably, a threaded plate is threadedly connected to the surface of the threaded rod through a second threaded hole, and a connecting frame is fixedly mounted on the upper surface of the threaded plate.

[0014] Preferably, a cleaning brush is fixedly mounted on the back side of the connecting frame, and a water inlet is fixedly mounted on the upper surface of the connecting frame.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a demonstration device with the following beneficial effects:

[0017] The utility model is provided with a turning handle, a connecting rod, a two-way threaded conveying rod, a threaded block and a clamping plate. When in use, a person turns the turning handle to drive the connecting rod to rotate, and then drives the two-way threaded conveying rod to rotate through the connecting rod, and then drives the threaded block and the clamping plate to move through the rotation of the two-way threaded conveying rod, thereby facilitating the adjustment of the clamping plate spacing to tighten and fix demonstration bodies of different models, thereby improving the practicality of the device. The servo motor, the second transmission rod, the threaded rod, the threaded plate, the connecting frame and the cleaning brush are provided with a servo motor, an external power supply is used to drive the second transmission rod and the threaded rod to rotate when in use, and then drives the threaded plate and the connecting frame to move through the rotation of the threaded rod, and then drives the cleaning brush to move through the connecting frame, thereby cleaning the demonstration screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0020] Figure 3 For this utility model Figure 1 A magnified cross-sectional view of the structure at center A;

[0021] Figure 4 For this utility model Figure 2 Enlarged view of the structure at point B in the middle.

[0022] In the figure: 1. bottom plate; 2. storage box; 3. motor; 4. first transmission rod; 5. rotating plate; 6. electric push rod; 7. push plate; 8. placement frame; 9. turning handle; 10. connecting rod; 11. two-way threaded conveying rod; 12. first limiting rod; 13. first threaded hole; 14. threaded block; 15. clamping plate; 16. groove; 17. demonstration display screen; 18. loudspeaker; 19. adjustment button; 20. placement plate; 21. servo motor; 22. second transmission rod; 23. threaded rod; 24. second limiting rod; 25. second threaded hole; 26. threaded plate; 27. connecting frame; 28. cleaning brush; 29. ​​water inlet. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-2The utility model provides a technical solution: a demonstration device, including a base plate 1, a storage box 2 is fixedly installed on the upper surface of the base plate 1, and a motor 3 is fixedly installed at the bottom of the base plate 1. Through the cooperation of the motor 3, the first transmission rod 4 and the rotating plate 5, when in use, the first transmission rod 4 is driven to rotate by the external power supply of the motor 3, and then the rotating plate 5 is driven to rotate by the first transmission rod 4, so as to facilitate the adjustment of the demonstration angle. The output end of the motor 3 is splined with the first transmission rod 4, and one end of the first transmission rod 4 is fixedly installed with the rotating plate 5. An electric push rod 6 is fixedly installed on the upper surface of the rotating plate 5. Through the cooperation of the electric push rod 6 and the pushing plate 7, the pushing plate 7 is moved by the extension of the electric push rod 6 when in use, so as to facilitate the adjustment of the demonstration height. A pushing plate 7 is fixedly installed on the upper surface of the electric push rod 6, and a placing frame 8 is fixedly installed on the upper surface of the pushing plate 7. The front of the placing frame 8 is rotatably connected with a turning handle 9. , connecting rod 10, two-way threaded conveying rod 11, threaded block 14 and clamping plate 15 are arranged in coordination. When in use, a person rotates the turning handle 9 to drive the connecting rod 10 to rotate, and then the two-way threaded conveying rod 11 is driven to rotate by the connecting rod 10, and then the threaded block 14 and the clamping plate 15 are moved by rotating the two-way threaded conveying rod 11, thereby facilitating the adjustment of the spacing between the clamping plates 15 to tighten and fix demonstration bodies of different models, thereby improving the practicality of the device. A connecting rod 10 is fixedly installed on the back of the turning handle 9, a two-way threaded conveying rod 11 is fixedly installed on one end of the connecting rod 10, a first limiting rod 12 is fixedly installed on one side of the two-way threaded conveying rod 11, a threaded block 14 is threadedly connected to the surface of the two-way threaded conveying rod 11 through a first threaded hole 13, a clamping plate 15 is fixedly installed on the upper surface of the threaded block 14, a groove 16 is provided on the inner bottom of the placement frame 8, and a demonstration display screen 17 is placed inside the placement frame 8.

[0025] like Figure 3-4As shown, a loudspeaker 18 is fixedly installed on the front of the demonstration display screen 17, an adjustment button 19 is fixedly installed on one side of the loudspeaker 18, a placement plate 20 is fixedly installed on the other side of the loudspeaker 18, and a servo motor 21 is fixedly installed on one side of the placement plate 20. Through the coordinated arrangement of the servo motor 21, the second transmission rod 22, the threaded rod 23, the threaded plate 26, the connecting frame 27 and the cleaning brush 28, when in use, the servo motor 21 is connected to an external power source to drive the second transmission rod 22 and the threaded rod 23 to rotate, and then the threaded plate 26 and the connecting frame 27 are driven to move through the rotation of the threaded rod 23, and then the cleaning brush is driven through the connecting frame 27 28 is moved, thereby playing a role in cleaning the demonstration screen, the output end of the servo motor 21 is splinedly connected with the second transmission rod 22, one end of the second transmission rod 22 is fixedly installed with a threaded rod 23, one side of the threaded rod 23 is fixedly installed with a second limiting rod 24, the surface of the threaded rod 23 is threadedly connected with a threaded plate 26 through a second threaded hole 25, the upper surface of the threaded plate 26 is fixedly installed with a connecting frame 27, the back of the connecting frame 27 is fixedly installed with a cleaning brush 28, and the upper surface of the connecting frame 27 is fixedly installed with a water inlet 29. Through the setting of the water inlet 29, the cleaning device is humidified to facilitate cleaning.

[0026] To sum up, when the demonstration equipment is in use, a person turns the handle 9 to drive the connecting rod 10 to rotate, and then drives the bidirectional threaded conveying rod 11 to rotate through the connecting rod 10, and then drives the threaded block 14 and the clamping plate 15 to move through the rotation of the bidirectional threaded conveying rod 11, and adjusts the spacing between the clamping plates 15 to tighten and fix demonstration bodies of different models, and drives the second transmission rod 22 and the threaded rod 23 to rotate through the external power supply of the servo motor 21, and then drives the threaded plate 26 and the connecting frame 27 to move through the rotation of the threaded rod 23, and then drives the cleaning brush 28 to move through the connecting frame 27 to clean the demonstration screen.

[0027] 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 demonstration device, comprising a base plate (1), characterized in that: A storage box (2) is fixedly mounted on the upper surface of the base plate (1), a motor (3) is fixedly mounted on the bottom of the base plate (1), an output end of the motor (3) is spline-connected to a first transmission rod (4), one end of the first transmission rod (4) is fixedly mounted to a rotating plate (5), an electric push rod (6) is fixedly mounted on the upper surface of the rotating plate (5), a push plate (7) is fixedly mounted on the upper surface of the electric push rod (6), a placement frame (8) is fixedly mounted on the upper surface of the push plate (7), and a front rotation connection of the placement frame (8) is provided. A turning handle (9) is connected, a connecting rod (10) is fixedly installed on the back of the turning handle (9), a bidirectional threaded conveying rod (11) is fixedly installed on one end of the connecting rod (10), a first limiting rod (12) is fixedly installed on one side of the bidirectional threaded conveying rod (11), a thread block (14) is threadedly connected to the surface of the bidirectional threaded conveying rod (11) through a first threaded hole (13), a clamping plate (15) is fixedly installed on the upper surface of the thread block (14), and a groove (16) is provided on the inner bottom of the placement frame (8).

2. A demonstration device according to claim 1, characterized in that: A demonstration display screen (17) is placed inside the placement frame (8), and a loudspeaker (18) is fixedly installed on the front of the demonstration display screen (17).

3. A demonstration device according to claim 2, characterized in that: An adjustment button (19) is fixedly mounted on one side of the loudspeaker (18), and a placement plate (20) is fixedly mounted on the other side of the loudspeaker (18).

4. A demonstration device according to claim 3, characterized in that: A servo motor (21) is fixedly mounted on one side of the placement plate (20), and a second transmission rod (22) is spline-connected to an output end of the servo motor (21).

5. A demonstration device according to claim 4, characterized in that: A threaded rod (23) is fixedly mounted on one end of the second transmission rod (22), and a second limiting rod (24) is fixedly mounted on one side of the threaded rod (23).

6. A demonstration device according to claim 5, characterized in that: The surface of the threaded rod (23) is threadedly connected to a threaded plate (26) via a second threaded hole (25), and a connection frame (27) is fixedly mounted on the upper surface of the threaded plate (26).

7. A demonstration device according to claim 6, characterized in that: A cleaning brush (28) is fixedly mounted on the back of the connection frame (27), and a water inlet (29) is fixedly mounted on the upper surface of the connection frame (27).

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