CN219866172U - Sound reducing mechanism of speed reducer - Google Patents
Sound reducing mechanism of speed reducer Download PDFInfo
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- CN219866172U CN219866172U CN202320897369.1U CN202320897369U CN219866172U CN 219866172 U CN219866172 U CN 219866172U CN 202320897369 U CN202320897369 U CN 202320897369U CN 219866172 U CN219866172 U CN 219866172U
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- gear
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a sound reducing mechanism of a speed reducer, which comprises: the output end plug-in card of the motor is connected with the input gear, the motor is fixedly provided with a shell by a side, the inner wall of the shell is fixedly provided with a first bearing and two second bearings, the first bearing is internally provided with a fixedly connected gear, the fixedly connected gear is integrally formed by an inner gear and an outer gear, the inner gear of the fixedly connected gear is eccentrically meshed with the input gear, the second bearing is internally provided with an output gear, and the inner gear of the output gear is eccentrically meshed with the outer gear of the fixedly connected gear. According to the utility model, the motor drives the input gear to rotate, and the input gear is eccentrically meshed with the fixedly connected gear, so that the input gear and the fixedly connected gear generate rotation difference, one-stage speed reduction is realized, the outer gear of the fixedly connected gear is eccentrically meshed with the inner gear of the output gear, the fixedly connected gear and the output gear also generate rotation difference, two-stage speed reduction is realized, the output shaft of the output gear outputs the speed reduction, the input rotation speed generated by the motor is reduced, and the noise of the speed reducer is further reduced.
Description
Technical Field
The utility model relates to the technical field of speed changers, in particular to a sound reducing mechanism of a speed reducer.
Background
The speed reducer is used as an important part in industrial automation manufacturing, and besides the operation noise of the speed reducer is reduced by improving the precision of parts, using special materials, lubricating and other methods, the operation noise is quite difficult to further reduce under the existing production process conditions.
Too fast an input speed is one of the main causes of noise generation by the decelerator.
Therefore, we propose a sound reducing mechanism of a speed reducer so as to solve the above-mentioned problems.
Disclosure of Invention
The present utility model is directed to a sound reducing mechanism of a speed reducer, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a sound reduction mechanism of a speed reducer, comprising: the output end of the motor is connected with the input gear through a plug-in card, the motor is fixedly provided with a shell by a side, the inner wall of the shell is fixedly provided with a first bearing and two second bearings, and the first bearing is internally provided with a fixedly connected gear;
the fixed connection gear is integrally formed by an internal gear and an external gear, wherein the internal gear of the fixed connection gear is eccentrically meshed with the input gear;
an output gear is arranged in the second bearing and is integrally formed by an inner gear and an output shaft, and the inner gear of the output gear is eccentrically meshed with an outer gear of the fixedly connected gear.
Preferably, the fixed connection gear is rotationally connected with the housing through a first bearing, and the output gear is rotationally connected with the housing through a second bearing.
Preferably, an output end cover is arranged on the right side of the output gear, and the output end cover is fixedly connected with the shell.
Preferably, the output shaft of the output gear is movably penetrated through the output end cover.
Preferably, the shell is fixedly arranged on the right surface of the motor through a motor fixing screw.
Compared with the prior art, the utility model has the beneficial effects that:
1. the motor drives the input gear to rotate, the input gear is eccentrically meshed with the fixedly connected gear, so that the input gear and the fixedly connected gear generate rotation difference, primary speed reduction is realized, the outer gear of the fixedly connected gear is eccentrically meshed with the inner gear of the output gear, the fixedly connected gear and the output gear also generate rotation difference, secondary speed reduction is realized, the output shaft of the output gear outputs the rotation speed, the input rotation speed generated by the motor is reduced, and further the noise of the speed reducer is reduced;
2. the smaller the external diameter and the tooth thickness of the internal gear of the fixedly connected gear and the output gear are under the condition of ensuring the strength, the lower the linear speed and the vibration frequency of the gear operation are, the smaller the noise is, the simple structure is, the original is small, the cost is low, and the device can be used as an important part for improving the noise in some required fields.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the housing according to the present utility model;
fig. 3 is a side cross-sectional view of the present utility model.
In the figure: 1. a motor; 2. the motor is connected with the cover; 3. an input gear; 4. fixedly connecting a gear; 5. a first bearing; 6. a second bearing; 7. an output gear; 8. a housing; 9. an output end cap; 10. and (5) fixing screws for the motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a sound reduction mechanism of a speed reducer, comprising: the motor 1, the output end of the said motor 1 inserts and clamps and connects the input gear 3, the motor 1 is fixedly mounted the outer cover 8 by the side, the inner wall of the outer cover 8 fixedly installs a first bearing 5 and two second bearings 6, set up the fixedly connected gear 4 in the first bearing 5;
the fixed connection gear 4 is integrally formed by an inner gear and an outer gear, wherein the inner gear of the fixed connection gear 4 is eccentrically meshed with the input gear 3;
an output gear 7 is arranged in the second bearing 6, the output gear 7 is integrally formed by an internal gear and an output shaft, and the internal gear of the output gear 7 is eccentrically meshed with the external gear of the fixedly connected gear 4;
the fixed connection gear 4 is rotationally connected with the shell 8 through a first bearing 5, and the output gear 7 is rotationally connected with the shell 8 through a second bearing 6;
an output end cover 9 is arranged on the right side of the output gear 7, and the output end cover 9 is fixedly connected with the shell 8;
the output shaft of the output gear 7 movably penetrates through the output end cover 9;
the housing 8 is fixedly mounted with the right surface of the motor 1 by a motor fixing screw 10.
Working principle: the motor 1 drives the input gear 3 to rotate, the input gear 3 is eccentrically meshed with the fixedly connected gear 4, so that the input gear 3 and the fixedly connected gear 4 generate rotation difference, primary reduction is realized, the outer gear of the fixedly connected gear 4 is eccentrically meshed with the inner gear of the output gear 7, the fixedly connected gear 4 and the output gear 7 generate rotation difference as well, secondary reduction is realized, output is realized through the output shaft of the output gear 7, and the input rotation speed generated by the motor 1 is reduced;
the smaller the internal gear outer diameter and tooth thickness of the fixedly connected gear 4 and the output gear 7 are under the condition of ensuring strength, the lower the linear speed and vibration frequency of the gear operation are, thereby reducing the noise of the operation of the sound reduction mechanism.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A sound reduction mechanism of a speed reducer, comprising: the motor (1), input gear (3) are connected to the output plug-in card of motor (1), motor (1) right side fixed mounting shell (8), its characterized in that: a first bearing (5) and two second bearings (6) are fixedly arranged on the inner wall of the shell (8), and a fixedly connected gear (4) is arranged in the first bearing (5);
the fixed connection gear (4) is integrally formed by an inner gear and an outer gear, wherein the inner gear of the fixed connection gear (4) is eccentrically meshed with the input gear (3);
an output gear (7) is arranged in the second bearing (6), the output gear (7) is integrally formed by an inner gear and an output shaft, and the inner gear of the output gear (7) is eccentrically meshed with the outer gear of the fixedly connected gear (4).
2. A sound reducing mechanism of a speed reducer according to claim 1, characterized in that the fixedly connected gear (4) is rotatably connected with the housing (8) via a first bearing (5), and the output gear (7) is rotatably connected with the housing (8) via a second bearing (6).
3. The sound reduction mechanism of a speed reducer according to claim 1, wherein an output end cover (9) is arranged on the right side of the output gear (7), and the output end cover (9) is fixedly connected with the housing (8).
4. A sound reduction mechanism of a decelerator according to claim 3, wherein the output shaft of the output gear (7) is movably penetrating the output end cap (9).
5. A sound reducing mechanism of a decelerator according to claim 4, wherein the housing (8) is fixedly mounted to the right surface of the motor (1) by means of a motor fixing screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897369.1U CN219866172U (en) | 2023-04-20 | 2023-04-20 | Sound reducing mechanism of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897369.1U CN219866172U (en) | 2023-04-20 | 2023-04-20 | Sound reducing mechanism of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866172U true CN219866172U (en) | 2023-10-20 |
Family
ID=88336599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320897369.1U Active CN219866172U (en) | 2023-04-20 | 2023-04-20 | Sound reducing mechanism of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866172U (en) |
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2023
- 2023-04-20 CN CN202320897369.1U patent/CN219866172U/en active Active
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