Low-noise speed reducer

Abstract

The utility model provides a low-noise speed reducer, which belongs to the technical field of speed reducers and comprises a speed reducer body. The multiple mounting bottom plates are arranged, and the multiple mounting bottom plates are all arranged on the lower side of the speed reducer body; each noise reduction mechanism comprises a mounting base, a mounting groove, an insertion block, a noise reduction groove and a layering plate, the mounting base is fixedly connected to the upper end of the mounting bottom plate, the mounting groove is formed in the upper end of the mounting base, and the insertion block is fixedly connected to the lower end of the speed reducer body and slides in the mounting groove; sound waves and vibration are weakened through the multiple layers of cotton materials, when the vibration is transmitted to the mounting bottom plate, the vibration is greatly reduced, and then noise generated when the speed reducer body operates is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of speed reducers, and in particular relates to a low-noise speed reducer. Background Art

[0002] A reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is commonly used as a reduction gear between a prime mover and a working machine. It matches speeds and transmits torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.

[0003] Publication No. CN219242607U discloses a reducer noise reduction mechanism and a reducer incorporating the mechanism, belonging to the field of reducer technology. The mechanism comprises a plurality of spaced-apart arcuate noise reduction plates disposed on the bottom surface of the housing cavity, with the arc openings of the plates oriented toward the central axis of the housing. This application utilizes the arcuate noise reduction plates to reduce the noise inside the reducer by bouncing between the plates, thereby reducing the impact of gear meshing noise on personnel.

[0004] The noise inside the above-mentioned new reducer rebounds and weakens between the arc-shaped noise reduction plates, thereby reducing the impact of the noise generated by gear meshing on the staff. However, the above-mentioned new type can only reduce the noise generated inside the reducer. However, when the reducer is running, a large part of the noise is the noise generated when the reducer body vibrates and contacts the ground on which the reducer is installed. The noise caused by the vibration of the reducer and the ground cannot be reduced by the internal structure of the reducer. Utility Model Content

[0005] The purpose of the utility model is to provide a low-noise reducer, aiming to solve the problem in the prior art that a large part of the noise is the noise generated when the reducer body vibrates and contacts the ground on which the reducer is installed, and the noise caused by the vibration of the reducer and the ground cannot be reduced by the internal structure of the reducer.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A low-noise reducer, comprising:

[0008] Reducer body;

[0009] A mounting base plate, wherein a plurality of mounting base plates are provided, and the plurality of mounting base plates are all arranged on the lower side of the reducer body;

[0010] The noise reduction mechanism is provided with multiple groups, each group of the noise reduction mechanism includes a mounting seat, a mounting groove, an insertion block, a noise reduction groove and a layered plate, the mounting seat is fixedly connected to the upper end of the mounting base, the mounting groove is opened at the upper end of the mounting seat, the insertion block is fixedly connected to the lower end of the reducer body and slides in the mounting groove, the noise reduction groove is opened in the mounting seat, and the layered plate is fixedly connected to the side inner wall of the noise reduction groove.

[0011] As a preferred solution of the present invention, one side end of the mounting seat is fixedly connected to a fixing cylinder, a threaded groove is provided in the fixing cylinder, and a screw is threadedly connected in the threaded groove.

[0012] As a preferred solution of the present invention, a rotation groove is opened at one side end of the screw, and the openings of multiple groups of the rotation grooves are opposite to each other.

[0013] As a preferred solution of the present invention, two contact pads are fixedly connected to the upper end of the mounting seat, and both of the contact pads are in contact with the insertion block.

[0014] As a preferred solution of the present invention, a ferrule is provided on one side end of the reducer body, the ferrule is sleeved on the outside of the output end of the reducer body, and a friction ring is opened in the ferrule.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. In this solution, through this device, when the reducer body vibrates slightly during operation, the cotton material in the block at the connection point between the reducer body and the mounting base is inserted to reduce noise. The vibration generated by the reducer body is transmitted into the mounting groove through the insertion block. When the vibration and sound waves continue to be transmitted, the sound waves and vibrations are weakened by multiple layers of cotton material. When the vibration is transmitted to the mounting base, it has been greatly reduced, thereby greatly reducing the noise generated by the reducer body during operation.

[0017] 2. In this scheme, through this device, the ring is arranged outside the output shaft of the reducer body, but does not contact the output shaft. Cotton material is provided in the noise ring. The noise emitted when the output shaft rotates passes through the ring when it diffuses outward, and the noise is reduced by the cotton material in the noise ring, thereby further reducing the noise emitted by the reducer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a structural stereogram of the utility model;

[0020] Figure 2 It is an exploded view of the structure in this utility model;

[0021] Figure 3 This is an exploded cross-sectional view of the structure in the present utility model;

[0022] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0023] In the figure: 1. Reducer body; 2. Mounting seat; 3. Mounting groove; 4. Insert block; 5. Noise reduction groove; 6. Layered plate; 7. Mounting base plate; 8. Fixed cylinder; 9. Threaded groove; 10. Screw; 11. Rotating groove; 12. Contact pad; 13. Ring; 14. Anxiety ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example

[0026] See also Figure 1-Figure 4 , the utility model provides the following technical solutions:

[0027] A low-noise reducer, comprising:

[0028] Reducer body 1;

[0029] A mounting base plate 7 is provided, and multiple mounting base plates 7 are provided on the lower side of the reducer body 1;

[0030] Noise reduction mechanism, the noise reduction mechanism is provided with multiple groups, each group of noise reduction mechanism includes a mounting seat 2, a mounting groove 3, an insertion block 4, a noise reduction groove 5 and a layered plate 6, the mounting seat 2 is fixedly connected to the upper end of the mounting base 7, the mounting groove 3 is opened at the upper end of the mounting seat 2, the insertion block 4 is fixedly connected to the lower end of the reducer body 1 and slides in the mounting groove 3, the noise reduction groove 5 is opened in the mounting seat 2, and the layered plate 6 is fixedly connected to the side inner wall of the noise reduction groove 5.

[0031] In a specific embodiment of the present utility model, the mounting base plate 7 is a base for installing the reducer body 1. The mounting base plate 7 is arranged at the bottom edge and the mounting base plate 7 is fixed by welding. The insertion block 4 is arranged at the lower end of the reducer body 1 and matches the mounting groove 3. When the reducer body 1 is installed, multiple insertion blocks 4 are aligned with the upper end of the mounting groove 3, and then the insertion block 4 is inserted to fix the reducer body 1. Cotton material is provided in the noise reduction groove 5, and the multi-component layer plate 6 divides the cotton material into multiple layers. When the reducer body 1 vibrates slightly during operation, the cotton material in the insertion block 4 at the connection point between the reducer body 1 and the mounting base plate 7 is used to reduce noise. The vibration generated by the reducer body 1 is transmitted into the mounting groove 3 through the insertion block 4. When the vibration and sound waves continue to be transmitted, the sound waves and vibrations are weakened by the multiple layers of cotton material. When the vibration is transmitted to the mounting base plate 7, it has been greatly reduced, thereby greatly reducing the noise generated by the reducer body 1 during operation.

[0032] For details, please refer to Figure 1-Figure 4 One side end of the mounting base 2 is fixedly connected with a fixing cylinder 8, a threaded groove 9 is opened in the fixing cylinder 8, and a screw 10 is threadedly connected in the threaded groove 9.

[0033] In this embodiment: the thread groove 9 is respectively opened on the inner wall of the installation groove 3 and the side end of the insertion block 4. When the insertion block 4 is inserted into the bottom of the installation groove 3, the thread groove 9 on the side end of the insertion block 4 fits with the thread groove 9 in the installation groove 3. At this time, the fixing cylinder 8 is screwed into the thread groove 9 from one side end to fix the insertion block 4 in the installation groove 3 and complete the installation of the reducer body 1.

[0034] For details, please refer to Figure 1-Figure 4 A rotation groove 11 is opened at one side end of the screw 10, and the openings of the multiple groups of rotation grooves 11 are opposite to each other.

[0035] In this embodiment: the thread grooves 9 installed at the front and rear ends of the reducer body 1 have different opening directions, and the pentagonal groove of the rotating groove 11 facilitates the insertion of the rotating handle. After being inserted into the thread groove 9, the direction of the rotating groove 11 is respectively toward the front and rear ends of the reducer body 1, which is convenient for the operator to insert the rotating handle.

[0036] For details, please refer to Figure 1-Figure 4 The upper end of the mounting seat 2 is fixedly connected to two contact pads 12 , and both contact pads 12 are in contact with the insertion block 4 .

[0037] In this embodiment: the contact pad 12 is arranged at the upper end of the mounting seat 2, and the contact pad 12 is also made of cotton material. After the insertion block 4 is inserted into the mounting groove 3, the lower end of the reducer body 1 contacts the contact pad 12. When the reducer body 1 vibrates during operation, the contact pad 12 is used to reduce the noise generated by the contact between the reducer body 1 and the mounting seat 2.

[0038] For details, please refer to Figure 1-Figure 4 A ferrule 13 is provided at one side end of the reducer body 1. The ferrule 13 is sleeved on the outside of the output end of the reducer body 1, and an anxiety ring 14 is opened in the ferrule 13.

[0039] In this embodiment: the ring 13 is sleeved on the outside of the output shaft of the reducer body 1, but does not contact the output shaft. Cotton material is provided in the anxiety ring 14. The noise emitted when the output shaft rotates passes through the ring 13 when it diffuses outward, and is reduced by the cotton material in the anxiety ring 14, thereby further reducing the noise emitted by the reducer body 1.

[0040] The working principle and usage process of the present invention: the mounting base plate 7 is a base for installing the reducer body 1. The mounting base plate 7 is arranged on the bottom edge and fixed to the mounting base plate 7 by welding. The insertion block 4 is arranged at the lower end of the reducer body 1 and matches the mounting groove 3. When the reducer body 1 is installed, multiple insertion blocks 4 are aligned with the upper end of the mounting groove 3, and then the insertion block 4 is inserted to fix the reducer body 1. Cotton material is provided in the noise reduction groove 5, and the multi-component layer plate 6 divides the cotton material into multiple layers. When the reducer body 1 vibrates slightly during operation, the cotton material in the insertion block 4 at the connection point between the reducer body 1 and the mounting base plate 7 is used to reduce noise. The vibration generated by the reducer body 1 is transmitted into the mounting groove 3 through the insertion block 4. When the vibration and sound waves continue to be transmitted, the sound waves and vibrations are weakened by the multiple layers of cotton material. When the vibration is transmitted to the mounting base plate 7, it has been greatly reduced, thereby greatly reducing the noise generated by the reducer body 1 during operation.

[0041] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A low-noise reducer, characterized by: include: Reducer body (1); A mounting base plate (7), wherein a plurality of mounting base plates (7) are provided, and the plurality of mounting base plates (7) are all arranged on the lower side of the reducer body (1); A noise reduction mechanism is provided, wherein the noise reduction mechanism is provided in multiple groups, and each group of the noise reduction mechanism comprises a mounting seat (2), a mounting groove (3), an insert block (4), a noise reduction groove (5) and a layered plate (6); the mounting seat (2) is fixedly connected to the upper end of the mounting base plate (7); the mounting groove (3) is opened at the upper end of the mounting seat (2); the insert block (4) is fixedly connected to the lower end of the reducer body (1) and slides in the mounting groove (3); the noise reduction groove (5) is opened in the mounting seat (2); and the layered plate (6) is fixedly connected to the side inner wall of the noise reduction groove (5).

2. A low-noise reducer according to claim 1, characterized in that: A fixing cylinder (8) is fixedly connected to one side end of the mounting seat (2), a threaded groove (9) is provided in the fixing cylinder (8), and a screw rod (10) is threadedly connected to the threaded groove (9).

3. A low-noise reducer according to claim 2, characterized in that: A rotation groove (11) is provided at one end of the screw rod (10), and the openings of the plurality of groups of the rotation grooves (11) are opposite to each other.

4. A low-noise reducer according to claim 3, characterized in that: Two contact pads (12) are fixedly connected to the upper end of the mounting seat (2), and both of the contact pads (12) are in contact with the insertion block (4).

5. The low-noise reducer according to claim 4, characterized in that: A ferrule (13) is provided at one side end of the reducer body (1), the ferrule (13) is sleeved on the outside of the output end of the reducer body (1), and a friction ring (14) is provided in the ferrule (13).

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