Circular drum science popularization device

Abstract

The utility model discloses a circular rotary drum science popularization device, and relates to the field of science popularization devices.The circular rotary drum science popularization device comprises a concentric-square-shaped frame and a plurality of rotary drum bodies, the concentric-square-shaped frame is provided with a rotating assembly used for driving the rotary drum bodies to rotate, the rotating assembly comprises a plurality of fixing rods vertically and fixedly connected to the interior of the concentric-square-shaped frame, and the rotary drum bodies are rotationally connected to the fixing rods correspondingly; through cooperative arrangement of structures such as an L-shaped plate, a limiting hole and a limiting bead, during use, through the L-shaped plate hinged to a fixing rod, the limiting bead is pressed at the top end of the rotary drum body under the action of gravity, when the rotary drum body is rotated, the limiting bead can move on the rotary drum body, and when the limiting bead makes contact with the limiting hole, the limiting bead can move on the rotary drum body under the action of gravity; when the rotary drum body rotates, the rotary drum body can be sunk into the limiting holes, so that the rotary drum body stops rotating, and the problem that the convenience is reduced due to the fact that pictures, texts or real objects on a plurality of rotary drums are difficult to align quickly and need to be finely adjusted by personnel is solved as much as possible.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of popular science devices, in particular to a circular drum popular science device. BACKGROUND

[0002] The drum is a device that produces a specific effect by rotating, and is widely used in different fields and scenes, such as placing multiple pictures, texts or real objects on multiple drums, combining the pictures, texts or real objects by rotating the drums, and displaying the picture-text popular science content.

[0003] The existing drum popular science device has the problem of reducing convenience because it is difficult to quickly align the pictures, texts or real objects on multiple drums when rotating the drums, and personnel need to fine-tune. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above problems, the present application provides a circular drum popular science device.

[0005] The circular drum popular science device provided by the present application adopts the following technical solution:

[0006] A circular drum popular science device, comprising a back-shaped frame and a plurality of drum bodies, the back-shaped frame is provided with a rotating assembly for driving the drum bodies to rotate, the rotating assembly comprises a plurality of fixed rods vertically fixedly connected inside the back-shaped frame, the drum bodies are respectively rotationally connected to the fixed rods, the side wall of the fixed rod is located above the drum body and is hingedly connected with an L-shaped plate, the top end of the drum body is provided with a plurality of annularly arranged limiting holes, and the end of the L-shaped plate away from the fixed rod is rotationally connected with a limiting bead matched with the limiting hole.

[0007] By adopting the above technical solution, when in use, the L-shaped plate hingedly connected to the fixed rod is pressed against the top end of the drum body under the action of gravity, and when the drum body is rotated, the limiting bead moves on the drum body, and when it contacts the limiting hole, the limiting bead is sunk into the limiting hole under the action of gravity, so that the rotation of the drum body is stopped, thereby avoiding the problem of reducing convenience caused by the difficulty in quickly aligning the pictures, texts or real objects on multiple drums and the need for personnel to fine-tune.

[0008] Preferably, the side wall of the fixed rod is fixedly connected with a connecting plate directly above the L-shaped plate, the lower surface of the end of the connecting plate away from the fixed rod is fixedly connected with a spring, and the end of the spring away from the connecting plate is fixedly connected with the L-shaped plate.

[0009] By adopting the above technical solution, the limiting bead is abutted against the drum body by the spring pressing down the L-shaped plate, which prevents the limiting bead from sliding out of the limiting hole directly when the drum body is rotated, and improves the positioning effect.

[0010] Preferably, a U-shaped support frame is arranged below the return-shaped frame, a sliding groove is arranged on one side of the inner side wall of the U-shaped support frame, a threaded rod is rotatably connected in the sliding groove, a forward-reverse motor is arranged at the top end of the U-shaped support frame and used to drive the rotation of the threaded rod, and a sliding block is fixedly connected to one side wall of the return-shaped frame and slidably arranged in the sliding groove and threadedly connected with the threaded rod.

[0011] By adopting the above technical scheme, the height of the return-shaped frame can be adjusted by starting the forward-reverse motor to drive the threaded rod to rotate and make the sliding block ascend and descend in the sliding groove, and different height people can conveniently rotate the drum body.

[0012] Preferably, a guide groove is arranged on the other side of the inner side wall of the U-shaped support frame, a guide rod is fixedly connected in the guide groove, and a guide block is fixedly connected to the other side wall of the return-shaped frame and slidably arranged in the guide groove and sleeved on the guide rod.

[0013] By adopting the above technical scheme, the stability of the return-shaped frame during lifting can be improved by the guide groove and the guide rod, and the return-shaped frame is prevented from shaking.

[0014] Preferably, a plurality of support plates for improving the support stability of the U-shaped support frame are fixedly connected to the side walls at the bottom end of the U-shaped support frame.

[0015] By adopting the above technical scheme, the area of the U-shaped support frame in contact with the ground can be improved by the support plates, and the support stability of the U-shaped support frame is improved.

[0016] Preferably, universal wheels are arranged on the lower surface of the support plate.

[0017] By adopting the above technical scheme, the U-shaped support frame is conveniently pushed to move by the universal wheels, and the device is conveniently carried.

[0018] Preferably, mounting holes are arranged on the upper surface of the support plate.

[0019] By adopting the above technical scheme, the device can be fixed by connecting external bolts with the ground through the mounting holes, and is prevented from shaking and falling during use.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1. This application utilizes the interlocking structure of L-shaped plate, limiting hole, and limiting bead. During use, the L-shaped plate, hinged to the fixed rod, causes the limiting bead to press against the top of the rotating cylinder body under gravity. As the rotating cylinder body rotates, the limiting bead moves along the rotating cylinder body. When it contacts the limiting hole, the limiting bead will sink into the limiting hole under gravity, causing the rotating cylinder body to stop rotating. This minimizes the difficulty in quickly aligning the graphics, text, or objects on multiple rotating cylinders, which requires fine-tuning by personnel and reduces convenience.

[0022] 2. By starting the forward and reverse motors to drive the threaded rod to rotate, the slider can be raised and lowered in the slide groove, which can adjust the height of the return frame, making it convenient for people of different heights to rotate the rotating drum body. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a circular rotating drum science popularization device according to an embodiment of this application;

[0024] Figure 2 The embodiments of this application mainly embody Figure 1 A schematic diagram of the enlarged structure of region A in the middle;

[0025] Figure 3 The embodiments of this application mainly embody Figure 1 A schematic diagram of the enlarged structure of region B in the middle;

[0026] Figure 4 This is a schematic diagram illustrating the main structures of the chute and guide groove in the embodiments of this application.

[0027] Reference numerals in the attached drawings: 1. Rotary frame; 2. Rotary drum body; 3. Fixing rod; 4. L-shaped plate; 5. Limiting hole; 6. Limiting bead; 7. Connecting plate; 8. Spring; 9. U-shaped support frame; 10. Slide groove; 11. Threaded rod; 12. Forward and reverse motor; 13. Slider; 14. Guide groove; 15. Guide rod; 16. Guide block; 17. Support plate; 18. Caster wheel; 19. Mounting hole. Detailed Implementation

[0028] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0029] This application discloses a circular rotating drum science popularization device.

[0030] Reference Figure 1 , Figure 2 and Figure 3 A circular rotating drum science popularization device includes a return frame 1 and multiple rotating drum bodies 2. The return frame 1 is provided with a rotating assembly for driving the rotating drum bodies 2 to rotate. The rotating assembly includes a fixing rod 3, an L-shaped plate 4, a limiting hole 5 and a limiting bead 6.

[0031] The plurality of fixed rods 3 are vertically arranged and fixedly connected to the inside of the back-shaped frame 1, the rotating drum bodies 2 are respectively rotatably connected to the fixed rods 3, the plurality of L-shaped plates 4 are hingedly connected to the side walls of the fixed rods 3 and are respectively located above the rotating drum bodies 2, the plurality of limiting holes 5 are respectively arranged in the top ends of the rotating drum bodies 2, the plurality of limiting holes 5 in each of the top ends of the rotating drum bodies 2 are arranged in an annular array, and the plurality of limiting beads 6 are respectively rotatably connected to one ends of the L-shaped plates 4 away from the fixed rods 3 and are matched with the limiting holes 5.

[0032] With reference to Figure 1 and Figure 2 , the connecting plates 7 are fixedly connected to the side walls of the fixed rods 3 above the L-shaped plates 4, the springs 8 are fixedly connected to the lower surfaces of one ends of the connecting plates 7 away from the fixed rods 3, one ends of the springs 8 away from the connecting plates 7 are fixedly connected to the L-shaped plates 4, the L-shaped plates 4 can be pressed downward by the springs 8, the limiting beads 6 can be abutted on the rotating drum bodies 2, the limiting beads 6 are prevented from sliding out of the limiting holes 5 when the rotating drum bodies 2 are rotated, and the positioning effect is improved.

[0033] With reference to Figure 1 and Figure 4 , the U-shaped support frame 9 is arranged below the back-shaped frame 1, the sliding groove 10 is arranged in one side wall of the inner side of the U-shaped support frame 9, the threaded rod 11 is rotatably connected in the sliding groove 10, the forward-reverse motor 12 is arranged on the top end of the U-shaped support frame 9 and is used to drive the threaded rod 11 to rotate, the sliding block 13 is fixedly connected to one side wall of the back-shaped frame 1 and is slidably arranged in the sliding groove 10 and is threadedly connected to the threaded rod 11, the threaded rod 11 is driven to rotate by starting the forward-reverse motor 12, the sliding block 13 is lifted up and down in the sliding groove 10, the height of the back-shaped frame 1 can be adjusted, and people with different heights can rotate the rotating drum bodies 2.

[0034] With reference to Figure 1 and Figure 4 , the guide groove 14 is arranged in the other side wall of the inner side of the U-shaped support frame 9, the guide rod 15 is fixedly connected in the guide groove 14, the guide block 16 is fixedly connected to the other side wall of the back-shaped frame 1 and is slidably arranged in the guide groove 14 and is sleeved on the guide rod 15, the back-shaped frame 1 is guided to slide in the guide groove 14 by the guide groove 14 and the guide rod 15 during lifting, the stability of the back-shaped frame 1 during lifting is improved, and the back-shaped frame 1 is prevented from shaking.

[0035] With reference to Figure 1 , the plurality of support plates 17 are fixedly connected to the side walls of the bottom end of the U-shaped support frame 9 and are used to improve the support stability of the U-shaped support frame 9, the area of the U-shaped support frame 9 in contact with the ground is increased by the support plates 17, and the support stability of the U-shaped support frame 9 is improved.

[0036] With reference to Figure 1 andFigure 3 The lower surface of the support plate 17 is provided with universal wheels 18, which facilitate the movement of the U-shaped support frame 9 and the carrying of the device.

[0037] With reference to Figure 1 and Figure 3 The upper surface of the support plate 17 is provided with mounting holes 19. By connecting external bolts through the mounting holes 19 and the ground, the device can be fixed to prevent shaking and falling during use.

[0038] The implementation principle of the circular drum popular science device is as follows: during use, first, the threaded rod 11 is driven to rotate by starting the forward and reverse motor 12, so that the sliding block 13 is lifted up and down in the sliding groove 10 to adjust the height of the back-shaped frame 1, facilitating the rotation of the drum body 2 by people of different heights, then the L-shaped plate 4 hinged on the fixed rod 3 is pressed against the top end of the drum body 2 by the limiting bead 6 under the action of gravity, when the drum body 2 is rotated, the limiting bead 6 will move on the drum body 2, when it contacts the limiting hole 5, the limiting bead 6 will sink into the limiting hole 5 under the action of gravity, so that the drum body 2 stops rotating, at the same time, the L-shaped plate 4 is pressed down by the spring 8, so that the limiting bead 6 abuts against the drum body 2, preventing the limiting bead 6 from sliding out of the limiting hole 5 when the drum body 2 is rotated, and avoiding the problem that it is difficult to quickly align the figures, texts or real objects on multiple drums, which requires personnel to fine-tune, thereby reducing the convenience.

[0039] The above are preferred embodiments of the present application, but do not limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A circular drum science and technology device, comprising a back frame (1) and a plurality of drum bodies (2), the back frame (1) is provided with a rotating assembly for driving the drum bodies (2) to rotate, characterized in that: The rotating assembly comprises a plurality of fixed rods (3) fixedly connected inside the back-shaped frame (1), the rotating drum bodies (2) are respectively rotationally connected to the fixed rods (3), the side walls of the fixed rods (3) are hingedly connected with L-shaped plates (4) above the rotating drum bodies (2), a plurality of annularly arranged limiting holes (5) are formed in the top ends of the rotating drum bodies (2), and the ends, away from the fixed rods (3), of the L-shaped plates (4) are rotationally connected with limiting beads (6) matched with the limiting holes (5).

2. A circular drum science device according to claim 1, wherein: The side wall of the fixed rod (3) is fixedly connected with a connecting plate (7) above the L-shaped plate (4), the end, away from the fixed rod (3), of the connecting plate (7) is fixedly connected with a spring (8) on the lower surface, and the end, away from the connecting plate (7), of the spring (8) is fixedly connected with the L-shaped plate (4).

3. A circular drum science device according to claim 2, wherein: A U-shaped support frame (9) is arranged below the back-shaped frame (1), a sliding groove (10) is formed in the side wall of the inner side of the U-shaped support frame (9), a threaded rod (11) is rotationally connected in the sliding groove (10), and a forward-reverse motor (12) for driving the threaded rod (11) to rotate is arranged at the top end of the U-shaped support frame (9).

4. A circular drum science device according to claim 3, wherein: A sliding block (13) is fixedly connected to the side wall of the back-shaped frame (1), the sliding block (13) is slidingly arranged in the sliding groove (10) and is threadedly connected with the threaded rod (11).

5. A circular drum cop device according to claim 4, wherein: A guide groove (14) is formed in the side wall of the other side of the inner side of the U-shaped support frame (9), a guide rod (15) is fixedly connected in the guide groove (14), a guide block (16) is fixedly connected to the side wall of the other side of the back-shaped frame (1), and the guide block (16) is slidingly arranged in the guide groove (14) and is sleeved on the guide rod (15).

6. A circular drum cop device according to claim 5, wherein: A plurality of support plates (17) for improving the support stability of the U-shaped support frame (9) are fixedly connected to the side walls of the bottom end of the U-shaped support frame (9).

7. A circular drum cop device according to claim 6, wherein: Universal wheels (18) are arranged on the lower surfaces of the support plates (17).

8. A circular drum cop device according to claim 7, wherein: Mounting holes (19) are formed in the upper surfaces of the support plates (17).

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