Dustproof device for speed reducer

By designing the reciprocating exhaust duct and magnetic plate fixed sealing plate in the reducer dustproof device, the problem of insufficient heat dissipation of the reducer in the prior art is solved, and more efficient heat dissipation and ventilation duct cleanliness are achieved.

CN222633797UActive Publication Date: 2025-03-18JIANGSU QIANGMAO REDUCER CO LTD
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Patent Information

Application Number
CN202421370587.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-03-18
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing noise reduction and dust protection devices for reducers have insufficient heat dissipation, which may cause the reducers to be overloaded due to overheating.

Method used

A dust-proof device for reducer is designed. By setting up a reciprocating exhaust duct on the inside of the dust-proof box, air is driven to be discharged into different areas and the heat dissipation effect is improved. At the same time, the magnetic plate is used to fix the sealing plate to ensure the sealing of the dust pipe and improve the cleanliness of the ventilation pipe.

Benefits of technology

It effectively improves the heat dissipation effect of different heating areas of the reducer, avoids overload due to overheating, and improves the cleanliness of the ventilation duct.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222633797U_ABST
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Abstract

The utility model belongs to the technical field of speed reducers, and particularly relates to a dustproof device for a speed reducer, which comprises a dustproof box. A speed reducer body is mounted on the inner side of the dustproof box; the top of the dustproof box is fixedly connected with an output motor; a ventilation pipe is fixedly connected to the top of the inner side of the dustproof box; a communicating pipe is arranged on one side of the ventilating pipe in a communicating manner; the inner side wall of the dustproof box is fixedly connected with a limiting column; an exhaust pipe is arranged on the outer side of the limiting column in a sleeving manner; during working, in the rotating process of a second rotating column, an exhaust pipe can be driven to reciprocate on the inner side of the dustproof box through mutual cooperation of a first rotating plate, a second rotating plate and a limiting column; air can be exhausted into different areas of the dustproof box through the exhaust pipe moving in a reciprocating mode, and therefore the situation that the dustproof box is difficult to dissipate heat in different heating areas, and the speed reducer body is overloaded due to overheating is reduced; and the whole device improves the heat dissipation effect on different heating areas of the speed reducer body.
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Description

Technical Field

[0001] The utility model belongs to the technical field of reducers, in particular to a dustproof device for reducers. Background Art

[0002] A reducer is a deceleration device composed of gears, worms and other transmission components. Due to its special use, it is often installed in different application scenarios. In order to make the reducer more stable, a dust-proof device is often used in conjunction with the reducer.

[0003] The Chinese patent authorization announcement number CN211852741U discloses a noise reduction and dustproof protective device for a reducer, including a base plate, a protective shell and a reducer, the protective shell is installed at the upper end of the base plate, the reducer is installed in the protective shell, a shock absorbing device is installed in the protective shell between the reducer and the base plate, a noise reduction device is installed on the inner wall of the protective shell, and heat dissipation holes are provided at the right ends of the protective shell and the noise reduction device, and a fan and a dustproof device are installed in the heat dissipation holes from left to right in sequence; the shock absorbing device can be used to reduce the vibration of the reducer; the noise reduction device can be used to reduce the noise generated by the reducer; the dustproof device is used to perform multi-stage series filtering on the air from the ventilation cavity, so that the sound wave transmission in the protective shell is weakened to achieve the purpose of noise reduction; due to the use of a dustproof plate with multiple layers of ventilation holes, the dust outside the protective shell is effectively blocked outside the protective shell, and the dustproof function is achieved.

[0004] The above-mentioned noise reduction and dust prevention protection device for the reducer has different heating areas during operation. It is difficult to dissipate heat to different heating areas only through ventilation holes, which may easily lead to overheating and overloading of the reducer. Therefore, a dust prevention device for the reducer is proposed to address the above-mentioned problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a dust prevention device for a reducer.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a dust-proof device for a reducer, comprising a dust-proof box; a reducer body is installed on the inner side of the dust-proof box; an output motor is fixedly connected to the top of the dust-proof box; a ventilation pipe is fixedly connected to the inner top of the dust-proof box; a connecting pipe is provided on one side of the ventilation pipe; a limiting column is fixedly connected to the inner wall of the dust-proof box; an exhaust pipe is sleeved on the outer side of the limiting column; the exhaust pipe and the ventilation pipe are connected to each other; a first rotating column is rotatably connected to the bottom of the output motor; the first rotating column is arranged on the inner side of the ventilation pipe; a second rotating column is rotatably connected to the top of the inner side of the dust-proof box; the outer side wall of the second rotating column is rotatably connected to a transmission belt; the inner side wall of the transmission belt and the outer side wall of the first rotating column are in contact with each other; a first rotating plate is fixedly connected to the bottom of the second rotating plate; the bottom of the first rotating plate is rotatably connected to the second rotating plate; the second rotating plate is rotatably connected to the exhaust pipe.

[0007] Preferably, a dust guide pipe is provided at the bottom of the ventilation pipe; the bottom end of the dust guide pipe is connected to the outside; a first magnetic plate is fixedly connected to a side wall of one side of the dustproof box; a closing plate is provided on one side of the dustproof box; a second magnetic plate is fixedly connected to one end of the closing plate close to the first magnetic plate.

[0008] Preferably, the inner bottom of the dust guide tube is rotatably connected to a conveyor belt; the inner bottom of the dust guide tube is rotatably connected to a third rotating column; the third rotating column and the inner wall of the conveyor belt are in contact with each other; a friction sleeve is fixedly connected to the top of the third rotating column; the friction sleeve and the outer wall of the transmission belt are in contact with each other.

[0009] Preferably, a supporting wheel is rotatably connected to the inner top of the dustproof box; and the outer side wall of the supporting wheel is in contact with the inner side wall of the transmission belt.

[0010] Preferably, a friction soft plate is fixedly connected to the outer side wall of the friction sleeve.

[0011] Preferably, the exhaust duct side wall is rotatably connected with a fitting wheel; the outer side wall of the fitting wheel and the outer side wall of the limiting column fit each other.

[0012] Preferably, a dust blocking plate is fixedly connected to the bottom end of the dust guiding pipe.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a dustproof device for a reducer, which can drive the exhaust pipe to reciprocate inside the dustproof box through the cooperation of the first rotating plate, the second rotating plate and the limit column; and the reciprocating exhaust pipe can discharge air into different areas of the dustproof box, thereby reducing the difficulty of the dustproof box in dissipating heat to different heating areas, which can easily cause the reducer body to be overloaded due to overheating; the overall device improves the effect of heat dissipation work on different heating areas of the reducer body.

[0015] 2. The utility model provides a dustproof device for a reducer. The second magnetic plate and the first magnetic plate are attracted to each other due to the magnetic force, and the closing plate can be fixed on the side wall of the dustproof box, thereby achieving the effect of sealing the inside of the dust guide pipe; and when the ventilation pipe works normally, some impurities will be discharged laterally through the inner side of the dust guide pipe, thereby improving the cleanliness of the bottom inner side of the ventilation pipe and reducing the accumulation of impurities at the bottom inner side of the ventilation pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present 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 on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the dustproof box of the utility model;

[0018] Figure 2 yes Figure 1 A magnified image of point A;

[0019] Figure 3 It is a three-dimensional diagram of the reducer body in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the supporting wheel in the utility model.

[0021] Legend:

[0022] 1. Dustproof box; 11. Reducer body; 12. Output motor; 13. Ventilation duct; 14. Connecting pipe; 15. Exhaust duct; 16. First rotating column; 17. Second rotating column; 18. Transmission belt; 19. First rotating plate; 110. Second rotating plate; 111. Limiting column; 2. Dust guide tube; 21. First magnetic plate; 22. Closing plate; 23. Second magnetic plate; 3. Conveyor belt; 31. Third rotating column; 32. Friction sleeve column; 4. Supporting wheel; 5. Friction soft plate; 6. Fitting wheel; 7. Dust blocking plate. 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 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.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 4The utility model provides a dustproof device for a reducer, comprising a dustproof box 1; a reducer body 11 is installed inside the dustproof box 1; an output motor 12 is fixedly connected to the top of the dustproof box 1; a ventilation pipe 13 is fixedly connected to the top of the inner side of the dustproof box 1; a connecting pipe 14 is connected to one side of the ventilation pipe 13; a limiting column 111 is fixedly connected to the inner wall of the dustproof box 1; an exhaust pipe 15 is sleeved on the outer side of the limiting column 111; the exhaust pipe 15 and the ventilation pipe 13 are connected to each other; a first rotating column 16 is rotatably connected to the bottom of the output motor 12; the first rotating column 16 is arranged on the inner side of the ventilation pipe 13; the inner top of the dustproof box 1 is rotatably connected to the second rotating column 17; the outer side wall of the second rotating column 17 is rotatably connected to the transmission belt 18; the inner side wall of the transmission belt 18 is in contact with the outer side wall of the first rotating column 16; the bottom of the second rotating column 17 is fixedly connected to the first rotating plate 19; the bottom of the first rotating plate 19 is rotatable A second rotating plate 110 is connected; the second rotating plate 110 is rotatably connected to the exhaust pipe 15; when working, the output motor 12 is started, and the output motor 12 can drive the first rotating column 16 to rotate, and during the rotation of the first rotating column 16, cooler air can be discharged to the inside of the dustproof box 1 through the connecting pipe 14 and the exhaust pipe 15; and the first rotating column 16 can drive the second rotating column 17 to rotate through the transmission belt 18, and during the rotation of the second rotating column 17, the first rotating plate 19, the second rotating plate 110 and the limiting column 111 cooperate with each other, which can drive the exhaust pipe 15 to reciprocate inside the dustproof box 1; and the reciprocating exhaust pipe 15 can discharge air into different areas of the dustproof box 1, thereby reducing the difficulty of the dustproof box 1 to dissipate heat to different heating areas, which may easily cause the reducer body 11 to be overloaded due to overheating; the overall device improves the effect of heat dissipation work on different heating areas of the reducer body 11.

[0026] Further, such as Figure 2 and Figure 3 As shown, a dust guide pipe 2 is provided at the bottom of the ventilation pipe 13; the bottom end of the dust guide pipe 2 is connected to the outside; a first magnetic plate 21 is fixedly connected to the side wall of one side of the dustproof box 1; a closing plate 22 is provided on one side of the dustproof box 1; a second magnetic plate 23 is fixedly connected to the closing plate 22 at one end close to the first magnetic plate 21; when working, the second magnetic plate 23 and the first magnetic plate 21 are attracted to each other due to magnetic force, and the closing plate 22 can be fixed to the side wall of the dustproof box 1, thereby achieving the effect of sealing the inside of the dust guide pipe 2; and when the ventilation pipe 13 is working normally, some impurities will be discharged laterally through the inner side of the dust guide pipe 2, thereby improving the cleanliness of the inner bottom of the ventilation pipe 13 and reducing the accumulation of impurities at the inner bottom of the ventilation pipe 13.

[0027] Further, such as Figure 4As shown, the inner bottom of the dust guide tube 2 is rotatably connected to the conveyor belt 3; the inner bottom of the dust guide tube 2 is rotatably connected to the third rotating column 31; the third rotating column 31 and the inner wall of the conveyor belt 3 are in contact with each other; the top of the third rotating column 31 is fixedly connected to a friction sleeve column 32; the friction sleeve column 32 and the outer wall of the transmission belt 18 are in contact with each other; during operation, during the rotation of the transmission belt 18, the conveyor belt 3 can be driven to rotate by the friction sleeve column 32 and the third rotating column 31, and during the rotation of the conveyor belt 3, the impurities accumulated on the inner bottom of the dust guide tube 2 can be transported away from the ventilation tube 13 through the conveyor belt 3, thereby improving the cleanliness of the inner bottom of the dust guide tube 2 and reducing the occurrence of impurities accumulating at the inner bottom of the dust guide tube 2.

[0028] Further, such as Figure 4 As shown, the top inner side of the dustproof box 1 is rotatably connected to a support wheel 4; the outer wall of the support wheel 4 fits with the inner wall of the transmission belt 18; when working, the support wheel 4 can support the middle part of the transmission belt 18, thereby reducing the situation where the middle part of the transmission belt 18 droops downward due to the long-term operation of the transmission belt 18; the overall device improves the stability of the transmission belt 18 when it works for a long time.

[0029] Further, such as Figure 4 As shown, the outer wall of the friction sleeve 32 is fixedly connected with a friction soft plate 5; when working, the friction soft plate 5 fits with the outer wall of the transmission belt 18 together with the friction sleeve 32, and because the friction soft plate 5 itself is made of elastic material, the friction soft plate 5 can effectively reduce the friction between the friction sleeve 32 and the transmission belt 18, thereby improving the stability of the friction sleeve 32 when working for a long time.

[0030] Further, such as Figure 4 As shown, the side wall of the exhaust duct 15 is rotatably connected to a fitting wheel 6; the outer wall of the fitting wheel 6 fits with the outer wall of the limiting column 111; during operation, when the exhaust duct 15 moves through the limiting column 111, the fitting wheel 6 rotates together, thereby reducing the friction between the contact surfaces of the exhaust duct 15 and the limiting column 111, and improving the stability of the exhaust duct 15 and the limiting column 111 when working for a long time.

[0031] Further, such as Figure 2 As shown, a dust blocking plate 7 is fixedly connected to the bottom end of the dust guiding pipe 2; when working, the dust blocking plate 7 can block external impurities, thereby reducing the occurrence of external impurities directly entering the inside of the dust guiding pipe 2 through the bottom end of the dust guiding pipe 2; the overall device improves the cleanliness of the inside of the dust guiding pipe 2.

[0032] Working principle: When working, the output motor 12 is started, and the output motor 12 can drive the first rotating column 16 to rotate, and during the rotation of the first rotating column 16, cooler air can be discharged to the inside of the dustproof box 1 through the connecting pipe 14 and the exhaust pipe 15; and the first rotating column 16 can drive the second rotating column 17 to rotate through the transmission belt 18, and during the rotation of the second rotating column 17, the first rotating plate 19, the second rotating plate 110 and the limiting column 111 cooperate with each other, which can drive the exhaust pipe 15 to reciprocate inside the dustproof box 1; and the reciprocating exhaust pipe 15 can discharge air into different areas of the dustproof box 1, thereby reducing the difficulty of the dustproof box 1 in heating different areas. The heat dissipation may easily cause the reducer body 11 to be overloaded due to overheating; the overall device improves the effect of heat dissipation work on different heating areas of the reducer body 11; the second magnetic plate 23 and the first magnetic plate 21 are attracted to each other by magnetic force, and the closing plate 22 can be fixed to the side wall of the dustproof box 1, thereby achieving the effect of sealing the inside of the dust guide pipe 2; and when the ventilation pipe 13 works normally, some impurities will be discharged laterally through the inner side of the dust guide pipe 2, thereby improving the cleanliness of the bottom of the inner side of the ventilation pipe 13 and reducing the accumulation of impurities at the bottom of the inner side of the ventilation pipe 13; during the rotation of the transmission belt 18, the friction sleeve 32 can be used to The conveyor belt 3 is driven to rotate with the third rotating column 31, and during the rotation of the conveyor belt 3, the impurities accumulated at the inner bottom of the dust guide tube 2 can be transported away from the ventilation tube 13 through the conveyor belt 3, thereby improving the cleanliness of the inner bottom of the dust guide tube 2 and reducing the accumulation of impurities at the inner bottom of the dust guide tube 2; the supporting wheel 4 can support the middle part of the transmission belt 18, thereby reducing the situation where the middle part of the transmission belt 18 droops downward due to the long-term operation of the transmission belt 18; the overall device improves the stability of the transmission belt 18 when it works for a long time; the friction soft plate 5 fits with the outer wall of the transmission belt 18 together with the friction sleeve column 32, and Because the friction soft plate 5 itself is made of elastic material, the friction soft plate 5 can effectively reduce the friction between the friction sleeve 32 and the transmission belt 18, thereby improving the stability of the friction sleeve 32 when working for a long time; in the process of the exhaust pipe 15 moving through the limiting column 111, the fitting wheel 6 rotates together, thereby reducing the friction between the contact surface of the exhaust pipe 15 and the limiting column 111, and improving the stability of the exhaust pipe 15 and the limiting column 111 when working for a long time; the dust blocking plate 7 can block external impurities, thereby reducing the possibility that external impurities can directly enter the dust guide pipe 2 through the bottom end of the dust guide pipe 2; the overall device improves the cleanliness of the inner side of the dust guide pipe 2.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A dustproof device for a speed reducer, comprising a dustproof box (1); characterized in that: A reducer body (11) is installed inside the dustproof box (1); an output motor (12) is fixedly connected to the top of the dustproof box (1); a ventilation pipe (13) is fixedly connected to the top of the inside of the dustproof box (1); a connecting pipe (14) is provided on one side of the ventilation pipe (13); a limiting column (111) is fixedly connected to the inner wall of the dustproof box (1); an exhaust pipe (15) is sleeved on the outer side of the limiting column (111); the exhaust pipe (15) and the ventilation pipe (13) are connected to each other; the bottom of the output motor (12) is rotatably connected to a first rotating column (14) 6); the first rotating column (16) is arranged on the inner side of the ventilation pipe (13); the second rotating column (17) is rotatably connected to the top of the inner side of the dustproof box (1); the outer wall of the second rotating column (17) is rotatably connected to the transmission belt (18); the inner wall of the transmission belt (18) and the outer wall of the first rotating column (16) are in contact with each other; the bottom of the second rotating column (17) is fixedly connected to the first rotating plate (19); the bottom of the first rotating plate (19) is rotatably connected to the second rotating plate (110); the second rotating plate (110) is rotatably connected to the exhaust pipe (15).

2. A dust-proof device for a reducer according to claim 1, characterized in that: The bottom of the ventilation pipe (13) is connected to a dust guide pipe (2); the bottom end of the dust guide pipe (2) is connected to the outside; a first magnetic plate (21) is fixedly connected to a side wall of one side of the dustproof box (1); a closing plate (22) is provided on one side of the dustproof box (1); and a second magnetic plate (23) is fixedly connected to one end of the closing plate (22) close to the first magnetic plate (21).

3. A dust-proof device for a reducer according to claim 2, characterized in that: The inner bottom of the dust guide tube (2) is rotatably connected to a conveyor belt (3); the inner bottom of the dust guide tube (2) is rotatably connected to a third rotating column (31); the third rotating column (31) and the inner wall of the conveyor belt (3) are in contact with each other; a friction sleeve column (32) is fixedly connected to the top of the third rotating column (31); the friction sleeve column (32) and the outer wall of the transmission belt (18) are in contact with each other.

4. A dust-proof device for a reducer according to claim 1, characterized in that: The inner top of the dustproof box (1) is rotatably connected to a supporting wheel (4); the outer wall of the supporting wheel (4) and the inner wall of the transmission belt (18) are in contact with each other.

5. A dust-proof device for a reducer according to claim 3, characterized in that: A friction soft plate (5) is fixedly connected to the outer side wall of the friction sleeve column (32).

6. A dust-proof device for a reducer according to claim 1, characterized in that: The side wall of the exhaust pipe (15) is rotatably connected to a fitting wheel (6); the outer side wall of the fitting wheel (6) fits with the outer side wall of the limiting column (111).

7. A dust-proof device for a reducer according to claim 2, characterized in that: A dust blocking plate (7) is fixedly connected to the bottom end of the dust guide pipe (2).

Citation Information

Patent Citations

  • Noise-reduction dustproof protection device for speed reducer

    CN211852741U