A popular science demonstration instrument for mechanical transmission

Abstract

The utility model discloses a popular science demonstration instrument of mechanical transmission, including a base, an operating table is arranged on the base, a vertical plate is arranged on one side of the upper end of the base, a rotating shaft 1 is rotatably arranged on the upper part of the vertical plate, a sliding docking device is arranged in the base, a slide seat slides in the base and is connected to the sliding docking device by power, a lifting docking device is arranged in the slide seat, a disassembly assembly is arranged on the rotating shaft 1 and the lifting docking device, and a recording device is arranged on the vertical plate and the rotating shaft 1. The utility model belongs to the technical field of mechanical transmission demonstration equipment, and specifically refers to a popular science demonstration instrument of mechanical transmission that solves the problem in the prior art that it is not convenient to replace gears of different moduli for transmission demonstration when demonstrating mechanical transmission of gears, resulting in great limitations.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical transmission demonstration equipment, in particular to a popular science demonstration instrument of mechanical transmission. Background Art

[0002] In teaching practice, the explanation of mechanical transmission knowledge is usually done by drawing on the blackboard or using a projection screen, or by using scattered parts. Students cannot directly and comprehensively understand the different mechanical transmission structures, let alone effectively understand the transmission quantity relationship between the different mechanical transmission parts, which affects the teaching effect.

[0003] For example, the publication (announcement) number: CN205158783U discloses a popular science demonstration instrument for mechanical transmission. Although it can vividly demonstrate gear transmission and chain transmission, it is not convenient to replace gears of different modules for transmission demonstration during the demonstration. There are certain limitations, so improvements are needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that in the prior art, when demonstrating the transmission of a gear machine, it is inconvenient to replace gears with different modules for transmission demonstration, which leads to great limitations.

[0005] In order to realize the above functions, the technical scheme adopted by the utility model is as follows: a kind of popular science demonstration instrument of mechanical transmission, comprising a base, an operating table is arranged on the base, a vertical plate is arranged on one side of the upper end of the base, a rotating shaft 1 is rotated on the upper part of the vertical plate, a sliding docking device is arranged in the base, a slide seat is slid in the base and is connected to the sliding docking device by power, a lifting docking device is arranged in the slide seat, a dismantling assembly is arranged on the rotating shaft 1 and the lifting docking device, and a recording device is arranged on the vertical plate and the rotating shaft 1; the dismantling assembly comprises a rotating shaft 2, the rotating shaft 2 rotates in the lifting docking device, the rotating shaft 2 and the rotating shaft 1 are both provided with a limit plate, the ends of the rotating shaft 1 and the rotating shaft 2 are both arranged in a threaded shape, the rotating shaft 1 is sleeved with a gear 1, the rotating shaft 2 is sleeved with a gear 2, the rotating shaft 1 and the rotating shaft 2 are both provided with a locking nut, and the gear 1 and the gear 2 can be fastened to the rotating shaft 1 and the rotating shaft 2 respectively through the locking nut, so as to facilitate the dismantling and replacement of the gear 1 and the gear 2.

[0006] Furthermore, the sliding docking device includes a groove, which is located in the base. A screw is rotated in the base, and the screw is threadedly connected to the slide. A handwheel is provided at the end of the screw. By rotating the handwheel, the slide drives gear 2 to approach gear 1, so that gear 2 and gear 1 are on the same vertical plane.

[0007] Furthermore, the lifting and docking device includes an electric telescopic rod, which is located in a sliding seat. The sliding seat is provided with a slider and is connected to the output end of the electric telescopic rod. The rotating shaft 2 rotates in the slider. A crank is provided at the end of the rotating shaft 2. The lifting and docking device can be used to raise the gear 2 until it engages with the gear 1, so as to facilitate the gear transmission demonstration.

[0008] Furthermore, the recording device includes a dial, which is arranged on the vertical plate and located around the rotating shaft. A pointer is provided on the rotating shaft. The rotating shaft rotates, driving the pointer to rotate. The number of revolutions of the gear one can be known by the pointer pointing to the dial.

[0009] Preferably, limit bars are provided on both sides of the slider, and the limit bars are provided to ensure that the slider will not detach from the slide seat.

[0010] Preferably, the operating platform is connected to the electric telescopic rod via an electrical signal.

[0011] The utility model adopts the above structure to achieve the following beneficial effects:

[0012] 1. The utility model realizes the rapid replacement of gears with different diameters and modules by providing a replacement component, thereby realizing different gear mechanical transmission demonstrations and having a wider range of applications.

[0013] 2. The utility model can quickly mesh the gear 1 and the gear 2 by arranging the sliding docking device and the lifting docking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall stereogram of a mechanically driven popular science demonstration instrument of the utility model;

[0015] Figure 2 It is a partial stereogram of a lifting and docking device of a mechanically driven popular science demonstration instrument of the utility model;

[0016] Figure 3 for Figure 1 A partial enlarged view of point A in the middle.

[0017] Among them, 1. base, 2. operating table, 3. vertical plate, 4. rotating shaft 1, 5. sliding seat, 6. sliding docking device, 7. lifting docking device, 8. disassembly and replacement assembly, 9. recording device, 10. rotating shaft 2, 11. limit plate, 12. gear 1, 13. gear 2, 14. locking nut, 15. slot, 16. screw, 17. handwheel, 18. electric telescopic rod, 19. slider, 20. crank, 21. dial, 22. pointer, 23. limit strip. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0020] like Figure 1-3 The utility model is a kind of popular science demonstration instrument with mechanical transmission, including a base 1, an operating table 2 is arranged on the base 1, the operating table 2 is connected with an electric telescopic rod 18 by electrical signals, a vertical plate 3 is arranged on one side of the upper end of the base 1, a rotating shaft 4 is rotated on the upper part of the vertical plate 3, a sliding docking device 6 is arranged in the base 1, a slide seat 5 is slidable in the base 1 and is connected with the sliding docking device 6 by power, a lifting docking device 7 is arranged in the slide seat 5, a disassembly component 8 is arranged on the rotating shaft 4 and the lifting docking device 7, and a recording device 9 is arranged on the vertical plate 3 and the rotating shaft 4;

[0021] like Figure 1-2 The disassembly and replacement component 8 includes a rotating shaft 2 10, and the rotating shaft 2 10 rotates in the lifting docking device 7. The rotating shaft 2 10 and the rotating shaft 1 4 are both provided with a limit plate 11. The ends of the rotating shaft 1 4 and the rotating shaft 2 10 are both threaded. The rotating shaft 1 4 is sleeved with a gear 12, and the rotating shaft 2 10 is sleeved with a gear 2 13. The rotating shaft 1 4 and the rotating shaft 2 10 are both provided with a locking nut 14. The locking nut 14 can be used to fasten the gear 12 and the gear 2 13 to the rotating shaft 1 4 and the rotating shaft 2 10 respectively, so as to facilitate the disassembly and replacement of the gear 12 and the gear 2 13.

[0022] like Figure 1 The sliding docking device 6 includes a slot 15, which is located in the base 1. A screw rod 16 is rotated in the base 1. The screw rod 16 is threadedly connected to the slide 5. A hand wheel 17 is provided at the end of the screw rod 16. By rotating the hand wheel 17, the slide 5 drives the gear 2 13 to approach the gear 1 12, so that the gear 2 13 and the gear 1 12 are on the same vertical plane.

[0023] like Figure 1-2The lifting and docking device 7 includes an electric telescopic rod 18, which is located in the slide 5. The slide 5 is slid with a slider 19 and is connected to the output end of the electric telescopic rod 18. Limit bars 23 are provided on both sides of the slider 19. The limit bars 23 are provided to ensure that the slider 19 will not be separated from the slide 5. The rotating shaft 10 rotates in the slider 19. The end of the rotating shaft 10 is provided with a crank 20. The lifting and docking device 7 can be used to lift the gear 2 13 until it is meshed with the gear 1 12, so as to facilitate the gear transmission demonstration.

[0024] like Figure 1 and 3 The recording device 9 includes a dial 21, which is arranged on the vertical plate 3 and located on the circumference of the rotating shaft 4. A pointer 22 is arranged on the rotating shaft 4. The rotating shaft 4 rotates, driving the pointer 22 to rotate. The number of revolutions of the gear 12 can be known by the pointer 22 pointing to the dial 21.

[0025] During specific use, when installing gear 12, first put gear 12 on shaft 1 4 and block it with limit plate 11, then screw locking nut 14 into shaft 1 4. Locking nut 14 can squeeze and fix gear 12. Similarly, fix gear 2 13 on shaft 2 10.

[0026] Turn the hand wheel 17, the screw rod 16 rotates and drives the slide 5 to slide in the slot 15 until the gear 2 13 and the gear 1 12 are aligned up and down and located on the same vertical plane, and then the electric telescopic rod 18 is controlled to start through the operating table 2. The electric telescopic rod 18 pushes the slider 19 to slide up and down in the slide 5 until the gear 2 13 and the gear 1 12 are fully meshed, so that the mechanical transmission demonstration can be carried out.

[0027] Before the demonstration, first record the position of the pointer 22 pointing to the dial 21, then turn the crank 20, the shaft 2 10 rotates in the slider 19, driving the gear 2 13 to mesh with the gear 1 12 to rotate, and when the shaft 2 10 rotates one circle, record the number of circles of the gear 1 12. The present application solution can meet the transmission demonstration of the gear 1 12 and gears of different diameters and different modules, and has a wide range of applications.

[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A mechanically driven popular science demonstration instrument, comprising a base, on which an operating table is provided, characterized in that: A vertical plate is provided on one side of the upper end of the base, a rotating shaft 1 is rotatable on the upper part of the vertical plate, a sliding docking device is provided in the base, a sliding seat slides in the base and is dynamically connected to the sliding docking device, a lifting docking device is provided in the sliding seat, a disassembly and replacement assembly is provided on the rotating shaft 1 and the lifting docking device, and a recording device is provided on the vertical plate and the rotating shaft 1.

2. A mechanically driven science demonstration instrument according to claim 1, characterized in that: The disassembly and replacement assembly includes a second rotating shaft, which rotates in the lifting and docking device. Both the second rotating shaft and the first rotating shaft are provided with limit plates. The ends of the first rotating shaft and the second rotating shaft are both threaded. The first rotating shaft is sleeved with a gear, and the second rotating shaft is sleeved with a gear. Both the first rotating shaft and the second rotating shaft are provided with locking nuts.

3. A mechanically driven science popularization demonstration instrument according to claim 2, characterized in that: The sliding docking device comprises a slot, which is located in the base. A screw is rotated in the base, the screw is threadedly connected to the sliding seat, and a hand wheel is provided at the end of the screw.

4. A mechanically driven science popularization demonstration instrument according to claim 3, characterized in that: The lifting and docking device includes an electric telescopic rod, which is located in a sliding seat. The sliding seat is provided with a sliding block and is connected to the output end of the electric telescopic rod. The second rotating shaft rotates in the sliding block, and a crank is provided at the end of the second rotating shaft.

5. A mechanically driven science popularization demonstration instrument according to claim 4, characterized in that: The recording device comprises a scale plate, which is arranged on the vertical plate and located around the first rotating shaft, and a pointer is arranged on the first rotating shaft.

6. A mechanically driven science popularization demonstration instrument according to claim 5, characterized in that: Limiting strips are arranged on both sides of the sliding block.

7. A mechanically driven popular science demonstration instrument according to claim 6, characterized in that: The operating platform is connected with the electric telescopic rod by electrical signals.

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