Coaxial speed reducing motor with low-noise speed reducer

By designing noise reduction components and shock-absorbing structures in coaxial reducer motors, the problems of high noise and lubrication are solved, and the effects of low noise, good sealing and shock-absorbing protection are achieved, which improves the working environment and equipment performance.

CN222464331UActive Publication Date: 2025-02-11DONGGUAN HUAJINCHENG MOTOR PARTS MANUFACTURING CO LTD
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Patent Information

Application Number
CN202420857089.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-02-11
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The coaxial reducer motor will generate a lot of noise when used, affecting the comfort of the working environment, and the bearing lubrication is difficult, and the load-bearing capacity of high-speed gears cannot be fully utilized.

Method used

A coaxial reduction motor with a low noise reducer is designed, using noise reduction components and shock absorption structures, including noise reduction plates, noise reduction sleeves, limit baffles, damping rods and sealing sleeve rings, etc., to absorb sound Holes, breathable holes and sealing designs to achieve noise absorption, shock absorption and sealing effects.

Benefits of technology

It realizes noise reduction, enhances sealing effect, and provides convenient shock-absorbing protection, improving the comfort of the working environment and the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coaxial speed reducing motor with a low-noise speed reducer, which comprises a motor base, a shock absorber is arranged at the top end of the motor base, a motor main body is arranged on one side of the shock absorber, a main shaft is arranged on the other side of the shock absorber, a sealing lantern ring is arranged outside the main shaft, and the sealing lantern ring is connected with the motor main body. The top end of the motor base is fixedly connected with a damping seat, damping rods are installed on the two sides of the interior of the damping seat, a connecting plate is installed at the bottom end of a damper, and installation bolts are arranged on the two sides of the bottom end of the connecting plate. According to the coaxial gear motor with the low-noise speed reducer, noise can be adsorbed through the sound absorption holes in the noise reduction sleeve, lubricating oil can be conveniently guided through the sound absorption holes, the noise reduction sleeve can keep an oily environment in a shock absorber, normal heat dissipation of the shock absorber cannot be affected by the air holes in the noise reduction plate, and the service life of the shock absorber is prolonged. The noise reduction sleeve can be detached from the noise reduction plate, and the problem that noise is large is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a coaxial reduction motor with a low-noise reducer. Background Art

[0002] A reduction motor refers to an integration of a reducer and a motor. There are many types of reduction motors, among which coaxial reduction motors have the advantages of being compact, small in size and beautiful in appearance. Reduction motors are widely used in the steel industry, machinery industry, etc.

[0003] After searching, it was found that the coaxial reduction motor has the disadvantages that the load-bearing capacity of the high-speed gears is difficult to fully utilize, and the lubrication of the bearings located in the middle part of the reduction motor is also difficult. In addition, the coaxial motor will generate loud noise when in use, and the continuous noise will affect the comfort of the working environment.

[0004] There is an urgent need for a coaxial reduction motor with a low-noise reducer to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The utility model aims to provide a coaxial reduction motor with a low-noise reducer to solve the problem of high noise in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coaxial reduction motor with a low-noise reducer, comprising a motor base, a shock absorber is arranged at the top of the motor base, a motor body is installed on one side of the shock absorber, a main shaft is installed on the other side of the shock absorber, a sealing collar is installed on the outside of the main shaft, a shock absorber seat is fixedly connected to the top of the motor base, damping rods are installed on both sides of the inside of the shock absorber seat, a connecting plate is installed at the bottom end of the shock absorber, mounting bolts are arranged on both sides of the bottom end of the connecting plate, fixing bolts are arranged inside the motor base, and a noise reduction component is arranged inside the shock absorber;

[0007] The noise reduction component includes a noise reduction plate, which is installed inside the shock absorber. A noise reduction sleeve is installed at the bottom end of the noise reduction plate, a splicing slot is arranged outside the noise reduction sleeve, a splicing block is fixedly connected inside the noise reduction plate, limited baffles are movably connected to both ends of the noise reduction plate, and a mounting slot is arranged outside the noise reduction plate.

[0008] Preferably, the noise reduction sleeve is embedded in the noise reduction plate, the splicing card block is embedded in the splicing card slot, and the limit baffles are arranged at both ends of the splicing card block.

[0009] Preferably, the noise reduction plate is evenly provided with air holes inside, and the noise reduction sleeve is evenly provided with sound-absorbing holes inside.

[0010] Preferably, a shock-absorbing pad is fixedly connected between the shock-absorbing seat and the connecting plate, and the top end of the damping rod is fixedly connected to the bottom end of the connecting plate.

[0011] Preferably, both sides of the bottom end of the shock absorber are fixedly connected to limit rods, and both sides of the shock absorber seat are fixedly connected to limit sleeves.

[0012] Preferably, the limiting sleeve is in the shape of a Chinese character "U", and the bottom end of the limiting rod is embedded in the limiting sleeve.

[0013] Preferably, a sealing ring is fixedly connected to one side of the sealing ring, a sealing gasket is installed on the other side of the sealing ring, a connecting block is fixedly connected to one side of the sealing gasket, a connecting slot is provided on one side of the shock absorber, and locking bolts are provided at the top and bottom ends of the shock absorber.

[0014] Preferably, the sealing ring is sleeved on the outside of the main shaft, and the connecting block is embedded in the inside of the connecting slot and fixedly installed by locking bolts.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the coaxial reduction motor with a low-noise reducer not only realizes the function of reducing noise, realizing the function of facilitating shock absorption and protection, but also realizes the function of enhancing the sealing effect;

[0016] (1) A noise reduction plate, a noise reduction sleeve, an installation slot, a splicing block, a limit baffle, a sound-absorbing hole and a splicing slot are provided. The noise reduction plate and the noise reduction sleeve are installed inside the shock absorber. The sound-absorbing hole inside the noise reduction sleeve can absorb noise, and the sound-absorbing hole is also convenient for diverting lubricating oil. The noise reduction sleeve can maintain an oily environment inside the shock absorber. The air vents inside the noise reduction plate will not affect the normal heat dissipation of the shock absorber. The noise reduction sleeve can be removed from the noise reduction plate. When removing, it is necessary to remove the limit baffle and then remove the splicing block from the splicing slot. This structure realizes the function of facilitating noise reduction.

[0017] (2) By providing a shock-absorbing seat, a limiting rod, a limiting sleeve, a shock-absorbing pad, a damping rod and a connecting plate, the shock-absorbing seat can provide shock-absorbing protection for the shock absorber. During the use of the shock absorber, the shock-absorbing pad and the damping rod can protect the shock absorber during the vibration. During the up and down vibration of the shock absorber, the limiting rod can stably move inside the limiting sleeve. This structure realizes the function of facilitating shock-absorbing protection.

[0018] (3) By providing a sealing ring, a sealing collar, a connecting block, a connecting groove, a sealing gasket and a locking bolt, when the main shaft is in use, the sealing collar and the sealing ring can seal and protect the main shaft. The connecting block on one side of the sealing collar is inserted into the interior of the connecting groove and fixed by the locking bolt. The sealing collar and the sealing gasket can prevent the lubricating oil inside the reduction motor from being exposed. This structure realizes the function of facilitating the enhancement of the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the side structure of the noise reduction sleeve of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a front view structural schematic diagram of the shock absorbing seat of the utility model.

[0023] In the figure: 1. Motor base; 2. Shock absorber seat; 3. Shock absorber; 4. Main shaft; 5. Sealing ring; 6. Sealing collar; 7. Noise reduction plate; 8. Noise reduction sleeve; 9. Motor body; 10. Limit rod; 11. Limit sleeve; 12. Fixing bolt; 13. Mounting slot; 14. Splicing block; 15. Limit baffle; 16. Sound-absorbing hole; 17. Splicing slot; 18. Connecting block; 19. Connecting slot; 20. Sealing pad; 21. Locking bolt; 22. Shock absorber pad; 23. Damping rod; 24. Connecting plate; 25. Mounting bolt. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4A coaxial reduction motor with a low-noise reducer comprises a motor base 1, a shock absorber 3 is arranged at the top of the motor base 1, a motor body 9 is installed on one side of the shock absorber 3, a main shaft 4 is installed on the other side of the shock absorber 3, a sealing collar 6 is installed on the outside of the main shaft 4, a shock absorber seat 2 is fixedly connected to the top of the motor base 1, damping rods 23 are installed on both sides of the inside of the shock absorber seat 2, a connecting plate 24 is installed at the bottom end of the shock absorber 3, mounting bolts 25 are arranged on both sides of the bottom end of the connecting plate 24, fixing bolts 12 are arranged inside the motor base 1, and a noise reduction component is arranged inside the shock absorber 3;

[0026] The noise reduction assembly includes a noise reduction plate 7, which is installed inside the shock absorber 3, a noise reduction sleeve 8 is installed at the bottom end of the noise reduction plate 7, a splicing card slot 17 is arranged outside the noise reduction sleeve 8, a splicing card block 14 is fixedly connected inside the noise reduction plate 7, and limited baffles 15 are movably connected at both ends of the noise reduction plate 7, and a mounting card slot 13 is arranged outside the noise reduction plate 7;

[0027] The noise reduction sleeve 8 is embedded in the noise reduction board 7, the splicing block 14 is embedded in the splicing slot 17, the limit baffles 15 are arranged at both ends of the splicing block 14, the noise reduction board 7 is evenly provided with air holes, and the noise reduction sleeve 8 is evenly provided with sound absorbing holes 16;

[0028] Specifically, Figure 1 and Figure 2 As shown, the sound-absorbing holes 16 inside the noise reduction sleeve 8 can absorb noise, and the sound-absorbing holes 16 are also convenient for diverting lubricating oil. The noise reduction sleeve 8 can maintain an oily environment inside the shock absorber 3. The air holes inside the noise reduction plate 7 will not affect the normal heat dissipation of the shock absorber 3. The noise reduction sleeve 8 can be removed from the noise reduction plate 7. When disassembling, it is necessary to remove the limit baffle 15 and then move the splicing block 14 out of the splicing slot 17.

[0029] Embodiment 2: A shock absorbing pad 22 is fixedly connected between the shock absorbing seat 2 and the connecting plate 24, the top of the damping rod 23 is fixedly connected to the bottom of the connecting plate 24, the two sides of the bottom of the shock absorber 3 are fixedly connected to the limiting rod 10, the two sides of the shock absorbing seat 2 are fixedly connected to the limiting sleeve 11, the limiting sleeve 11 is in the shape of a "U", and the bottom end of the limiting rod 10 is embedded in the inside of the limiting sleeve 11;

[0030] Specifically, Figure 1 and Figure 4 As shown, during the use of the shock absorber 3, the shock absorbing pad 22 and the damping rod 23 can protect the shock absorber 3 during its shaking. During the up and down shaking of the shock absorber 3, the limit rod 10 can move stably inside the limit sleeve 11. This structure realizes the function of facilitating shock absorption and protection.

[0031] Embodiment 3: A sealing ring 5 is fixedly connected to one side of the sealing ring 6, a sealing gasket 20 is installed on the other side of the sealing ring 6, a connecting block 18 is fixedly connected to one side of the sealing gasket 20, a connecting groove 19 is provided on one side of the shock absorber 3, locking bolts 21 are provided at the top and bottom ends of the shock absorber 3, the sealing ring 5 is sleeved on the outside of the main shaft 4, the connecting block 18 is embedded in the inside of the connecting groove 19 and is fixedly installed by the locking bolts 21;

[0032] Specifically, Figure 1 and Figure 3 As shown, the sealing collar 6 and the sealing ring 5 can provide sealing protection for the main shaft 4. The connecting block 18 on one side of the sealing collar 6 is inserted into the inside of the connecting groove 19 and fixed by the locking bolt 21. The sealing collar 6 and the sealing gasket 20 can prevent the lubricating oil inside the reduction motor from being exposed, thereby enhancing the sealing effect.

[0033] Working principle: When the utility model is in use, the noise reduction plate 7 and the noise reduction sleeve 8 inside the shock absorber 3 can perform noise reduction treatment on it, the sound absorption hole 16 inside the noise reduction sleeve 8 can absorb the noise, and the sound absorption hole 16 is also convenient for diverting the lubricating oil, the noise reduction sleeve 8 can maintain the oily environment inside the shock absorber 3, and the air vents inside the noise reduction plate 7 will not affect the normal heat dissipation of the shock absorber 3. The noise reduction sleeve 8 can be removed from the noise reduction plate 7. When disassembling, it is necessary to remove the limit baffle 15 and then remove the splicing card block 14 from the splicing card slot 17. The sealing ring 6 and the sealing ring 5 The main shaft 4 can be sealed and protected. The connecting block 18 on one side of the sealing ring 6 can be inserted into the inside of the connecting slot 19 and fixed by the locking bolt 21. The sealing ring 6 and the sealing gasket 20 can prevent the lubricating oil inside the reduction motor from being exposed. The shock-absorbing seat 2 can provide shock-absorbing protection for the shock absorber 3. During the use of the shock absorber 3, the shock-absorbing pad 22 and the damping rod 23 can protect the shock absorber 3 during the shaking process. During the up and down shaking of the shock absorber 3, the limit rod 10 can move stably inside the limit sleeve 11. This structure realizes the function of facilitating shock absorption protection.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A coaxial reduction motor with a low-noise reducer, comprising a motor base (1), characterized in that: At the top of the motor base (1), a shock absorber (3) is provided. On one side of the shock absorber (3), a motor body (9) is installed. On the other side of the shock absorber (3), a main shaft (4) is installed. An outer part of the main shaft (4) is provided with a sealing collar (6). At the top of the motor base (1), a shock-absorbing seat (2) is fixedly connected. On both sides inside the shock-absorbing seat (2), damping rods (23) are installed. At the bottom of the shock absorber (3), a connecting plate (24) is installed. On both sides at the bottom of the connecting plate (24), mounting bolts (25) are provided. Inside the motor base (1), fixing bolts (12) are provided. Inside the shock absorber (3), a noise reduction component is provided; The noise reduction component includes a noise reduction plate (7). The noise reduction plate (7) is installed inside the shock absorber (3). At the bottom of the noise reduction plate (7), a noise reduction sleeve (8) is installed. On the outer part of the noise reduction sleeve (8), a splicing card slot (17) is provided. Inside the noise reduction plate (7), a splicing card block (14) is fixedly connected. At both ends of the noise reduction plate (7), limiting baffles (15) are movably connected. On the outer part of the noise reduction plate (7), a mounting card slot (13) is provided.

2. The coaxial reduction motor with a low-noise reducer according to claim 1, characterized in that: The noise reduction sleeve (8) is embedded inside the noise reduction plate (7). The splicing card block (14) is embedded inside the splicing card slot (17). The limiting baffles (15) are provided at both ends of the splicing card block (14).

3. The coaxial reduction motor with a low-noise reducer according to claim 1, characterized in that: Inside the noise reduction plate (7), ventilation holes are evenly provided. Inside the noise reduction sleeve (8), sound absorption holes (16) are evenly opened.

4. The coaxial reduction motor with a low-noise reducer according to claim 1, characterized in that: Between the shock-absorbing seat (2) and the connecting plate (24), a shock-absorbing cushion block (22) is fixedly connected. The top end of the damping rod (23) is fixedly connected to the bottom end of the connecting plate (24).

5. The coaxial reduction motor with a low-noise reducer according to claim 1, characterized in that: On both sides at the bottom of the shock absorber (3), limiting rods (10) are fixedly connected. On both sides of the shock-absorbing seat (2), limiting sleeves (11) are fixedly connected.

6. The coaxial reduction motor with a low-noise reducer according to claim 5, characterized in that: The limiting sleeve (11) is in a "return" shape. The bottom end of the limiting rod (10) is embedded inside the limiting sleeve (11).

7. The coaxial reduction motor with a low-noise reducer according to claim 1, characterized in that: On one side of the sealing collar (6), a sealing ring (5) is fixedly connected. On the other side of the sealing collar (6), a gasket (20) is installed. On one side of the gasket (20), a connecting card block (18) is fixedly connected. On one side of the shock absorber (3), a connecting card slot (19) is provided. At the top and bottom of the shock absorber (3), locking bolts (21) are provided.

8. The coaxial reduction motor with a low-noise reducer according to claim 7, characterized in that: The sealing ring (5) is sleeved on the outer part of the main shaft (4). The connecting card block (18) is embedded inside the connecting card slot (19) and fixedly installed through the locking bolt (21).