RV speed reducer

Abstract

The utility model discloses an RV speed reducer, which relates to the technical field of speed reducers and comprises a box body, a cover plate is clamped on the box body, a speed reducer body is arranged in the box body, a protection mechanism is arranged in the box body, and a limiting mechanism is arranged in the box body. The protection mechanism and the limiting mechanism are mutually independent; the protection mechanism comprises three first air bags. The speed reducer body is sleeved with the three first air bags, the first air pump inflates the first air bags through the first air pipe, the connecting hose can stretch out and draw back according to different speed reducers, and after the first air bags are filled with air, the outer side of the speed reducer body can be protected; a second air pump inflates a second air bag through a second air pipe, after the second air bag is full of air, the upper end and the lower end of the speed reducer body can be protected, when the speed reducer is collided or extruded, the first air bag and the second air bag can fully protect the speed reducer body, and it is guaranteed that the speed reducer is not damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to an RV reducer. Background Art

[0002] RV reducers, also known as spiral bevel gear reducers, are common mechanical transmission devices used to reduce torque and increase linear speed. In industrial robots, particularly articulated robots, RV reducers are often used in wrist joints or for transmission of robot axes to achieve high precision, high loads, and high rigidity.

[0003] RV reducer is an important component of industrial robots and has high processing precision. Traditional RV reducers are easily damaged during transportation, causing large economic losses, which puts forward higher protection requirements for RV reducers. Utility Model Content

[0004] The purpose of the utility model is to provide an RV reducer, in which three first airbags are sheathed on the outside of the reducer body, a first air pump inflates the first airbags through a first air pipe, and a connecting hose can be extended and retracted according to different reducers. After the first airbags are inflated, they can protect the outside of the reducer body, and a pair of second airbags are respectively placed at the upper and lower ends of the reducer body, a second air pump inflates the second airbags through a second air pipe. After the second airbags are inflated, they can protect the upper and lower ends of the reducer body. When the reducer is collided or squeezed, the first airbag and the second airbag can fully protect the reducer body to ensure that the reducer is not damaged.

[0005] The utility model adopts the following technical solutions:

[0006] An RV reducer comprises a housing, a cover plate is clamped on the housing, a reducer body is arranged in the housing, a protection mechanism is arranged in the housing, and a limit mechanism is arranged in the housing; the protection mechanism and the limit mechanism are independent of each other;

[0007] The protection mechanism includes three first airbags, each of which is located outside the reducer body. Three connecting hoses are fixedly provided between the three first airbags, and the three connecting hoses are connected to the three first airbags. A first air pump is fixedly provided in the box body, and a first air pipe is fixedly provided on the first air pump. The first air pipe is fixedly connected to a first airbag. A pair of second airbags is provided in the box body, and the pair of second airbags is located above and below the reducer body. A second air pump is fixedly provided in the box body, and a pair of second air pipes is fixedly provided on the second air pump. The pair of second air pipes are respectively fixedly connected to a pair of second airbags.

[0008] The limiting mechanism includes a pair of cylinders, one of which is fixedly connected to the bottom of the box body, and the other is fixedly connected to the lower surface of the cover plate. Springs are fixedly provided in the cylinders, and sliders are fixedly provided at the ends of the springs. The sliders are slidably connected to the cylinders, and fixed grooves are provided on the sliders. The upper and lower ends of the reducer body are respectively engaged with a pair of fixed grooves.

[0009] Preferably, a fixed plate is fixedly provided on one side of the cover plate, and a rotating plate is rotatably provided on one side of the box body.

[0010] Preferably, two pairs of circular grooves are formed on the cover plate, and two pairs of support rods are fixedly provided at the lower end of the box body, and the two pairs of support rods correspond to the two pairs of circular grooves in a one-to-one manner.

[0011] Preferably, a pair of notches are opened on the side of the box body.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] In the present utility model, three first airbags are put on the outside of the reducer body, and the first air pump inflates the first airbags through the first air pipe. The connecting hose can be extended and retracted according to different reducers. After the first airbags are filled with air, they can protect the outside of the reducer body. A pair of second airbags are respectively placed at the upper and lower ends of the reducer body, and the second air pump inflates the second airbags through the second air pipe. After the second airbags are filled with air, they can protect the upper and lower ends of the reducer body. When the reducer is collided or squeezed, the first airbag and the second airbag can fully protect the reducer body to ensure that the reducer is not damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the box in the present utility model;

[0017] Figure 3 It is a structural diagram of the protection mechanism in the utility model;

[0018] Figure 4 It is a structural diagram of the limiting mechanism in the utility model.

[0019] Serial numbers in the figure: 1. Box body; 11. Cover plate; 12. Reducer body; 2. First airbag; 21. Connecting hose; 22. First air pump; 23. First air pipe; 24. Second airbag; 25. Second air pump; 26. Second air pipe; 3. Cylinder; 31. Spring; 32. Slider; 33. Fixing groove; 4. Fixing plate; 41. Rotating plate; 5. Circular groove; 51. Support rod; 6. Notch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Example 1: This example provides an RV reducer, see Figure 1-4 Specifically, it includes a box body 1, a cover plate 11 is clamped on the box body 1, a reducer body 12 is arranged in the box body 1, a protective mechanism is provided in the box body 1, a limiting mechanism is provided in the box body 1, the protective mechanism and the limiting mechanism are independent of each other, the protective mechanism includes three first air bags 2, the first air bags 2 are all located outside the reducer body 12, three connecting hoses 21 are fixedly provided between the three first air bags 2, the three connecting hoses 21 are connected to the three first air bags 2, a first air pump 22 is fixedly provided in the box body 1, a first air pipe 23 is fixedly provided on the first air pump 22, the first air pipe 23 is fixedly connected to a first air bag 2, a pair of second air bags 24 are provided in the box body 1, the pair of second air bags 24 are located above and below the reducer body 12, a second air pump 25 is fixed in the box body 1, a pair of second air pipes 26 are fixedly provided on the second air pump 25, and the pair of second air pipes 26 are fixedly connected to the pair of second air bags 24 respectively;

[0022] The three first airbags 2 are placed on the outside of the reducer body 12, and the first air pump 22 inflates the first airbags 2 through the first air pipe 23. The connecting hose 21 can be extended and retracted according to different reducers. After the first airbags 2 are inflated, they can protect the outside of the reducer body 12. A pair of second airbags 24 are respectively placed at the upper and lower ends of the reducer body 12. The second air pump 25 inflates the second airbags 24 through the second air pipe 26. After the second airbags 24 are inflated, they can protect the upper and lower ends of the reducer body 12. When the device is subjected to external collision or extrusion, the first airbags 2 and the second airbags 24 can fully protect the reducer body 12 to ensure the integrity of the reducer body 12;

[0023] The limiting mechanism includes a pair of cylinders 3, one cylinder 3 is fixedly connected to the bottom of the box body 1, and the other cylinder 3 is fixedly connected to the lower surface of the cover plate 11. A spring 31 is fixedly installed in each cylinder 3, and a slider 32 is fixedly installed at the end of each spring 31. The sliders 32 are slidably connected to the cylinder 3, and a fixing groove 33 is opened on the sliders 32. The upper and lower ends of the reducer body 12 are respectively engaged with the pair of fixing grooves 33;

[0024] Place the reducer body 12 in the box body 1, insert the reducer body 12 into the fixing groove 33, and after the first airbag 2 and the second airbag 24 are filled with air, cover the cover 11. The fixing groove 33 on the cover 11 is also engaged with the lower end of the reducer body 12. The limiting mechanism limits the reducer body 12 to prevent displacement when shaking.

[0025] A fixed plate 4 is fixed on one side of the cover plate 11, and a rotating plate 41 is rotatably provided on one side of the box body 1;

[0026] The cover 11 is opened and closed by rotating the rotating plate 41 and whether the rotating plate 41 and the fixed plate 4 are engaged or not;

[0027] Two pairs of circular grooves 5 are formed on the cover plate 11, and two pairs of support rods 51 are fixed to the lower end of the box body 1. The two pairs of support rods 51 correspond to the two pairs of circular grooves 5 one by one.

[0028] When multiple boxes 1 are put together, the support rod 51 on one box 1 can be inserted into the circular groove 5 on the upper cover plate 11 of another box 1, and the boxes 1 can be stacked together to save space;

[0029] A pair of notches 6 are provided on the side of the box body 1;

[0030] The notch 6 facilitates the transportation of the box 1 .

[0031] Specifically, the working principle and operation method of the utility model are as follows:

[0032] Place the reducer body 12 in the box body 1, insert the reducer body 12 into the fixing groove 33, and after the first airbag 2 and the second airbag 24 are filled with air, cover the cover 11. The fixing groove 33 on the cover 11 is also engaged with the lower end of the reducer body 12. The limiting mechanism limits the reducer body 12 to prevent displacement when shaking.

[0033] The three first airbags 2 are sleeved on the outside of the reducer body 12, and the first air pump 22 inflates the first airbags 2 through the first air pipe 23. The connecting hose 21 can be extended and retracted according to different reducers. After the first airbags 2 are inflated, they can protect the outside of the reducer body 12. A pair of second airbags 24 are respectively placed at the upper and lower ends of the reducer body 12. The second air pump 25 inflates the second airbags 24 through the second air pipe 26. After the second airbags 24 are inflated, they can protect the upper and lower ends of the reducer body 12. When the device is subjected to external collision or extrusion, the first airbag 2 and the second airbag 24 can fully protect the reducer body 12 to ensure that the reducer body 12 is not damaged;

[0034] The cover 11 is opened and closed by rotating the rotating plate 41 and whether the rotating plate 41 and the fixed plate 4 are engaged or not;

[0035] Two pairs of circular grooves 5 are formed on the cover plate 11, and two pairs of support rods 51 are fixed to the lower end of the box body 1. The two pairs of support rods 51 correspond to the two pairs of circular grooves 5 in a one-to-one manner.

[0036] When multiple boxes 1 are put together, the support rod 51 on one box 1 can be inserted into the circular groove 5 on the upper cover plate 11 of another box 1, and the boxes 1 can be stacked together to save space;

[0037] The notch 6 facilitates the transportation of the box 1 .

[0038] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An RV reducer, comprising a housing (1), characterized in that: A cover plate (11) is clamped on the box body (1), a reducer body (12) is provided in the box body (1), a protection mechanism is provided in the box body (1), and a limiting mechanism is provided in the box body (1); the protection mechanism and the limiting mechanism are independent of each other; The protection mechanism comprises three first airbags (2), each of the first airbags (2) being located outside the reducer body (12), three connecting hoses (21) being fixedly provided between the three first airbags (2), the three connecting hoses (21) being connected to the three first airbags (2), a first air pump (22) being fixedly provided in the box (1), a first air pipe (23) being fixedly provided on the first air pump (22), the first air pipe (23) being fixedly connected to one first airbag (2), a pair of second airbags (24) being provided in the box (1), the pair of second airbags (24) being located above and below the reducer body (12), a second air pump (25) being fixedly provided in the box (1), a pair of second air pipes (26) being fixedly provided on the second air pump (25), the pair of second air pipes (26) being fixedly connected to the pair of second airbags (24) respectively; The limiting mechanism comprises a pair of cylinders (3), one of the cylinders (3) is fixedly connected to the bottom of the box body (1), and the other of the cylinders (3) is fixedly connected to the lower surface of the cover plate (11). A spring (31) is fixedly provided in each of the cylinders (3), and a slider (32) is fixedly provided at the end of each of the springs (31). The sliders (32) are slidably connected to the cylinders (3), and a fixing groove (33) is provided on each of the sliders (32). The upper and lower ends of the reducer body (12) are respectively engaged with the pair of fixing grooves (33).

2. The RV reducer according to claim 1, characterized in that: A fixed plate (4) is fixedly provided on one side of the cover plate (11), and a rotating plate (41) is rotatably provided on one side of the box body (1).

3. The RV reducer according to claim 1, characterized in that: Two pairs of circular grooves (5) are provided on the cover plate (11), and two pairs of support rods (51) are fixedly provided at the lower end of the box body (1), and the two pairs of support rods (51) correspond to the two pairs of circular grooves (5) in a one-to-one manner.

4. The RV reducer according to claim 1, characterized in that: A pair of notches (6) are provided on the side of the box body (1).

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