CN213361031U - Reducer output shaft sealing device - Google Patents
Reducer output shaft sealing device Download PDFInfo
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- CN213361031U CN213361031U CN202022009251.XU CN202022009251U CN213361031U CN 213361031 U CN213361031 U CN 213361031U CN 202022009251 U CN202022009251 U CN 202022009251U CN 213361031 U CN213361031 U CN 213361031U
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- speed reducer
- sealing
- output shaft
- groove
- sealing device
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- 238000007789 sealing Methods 0.000 title claims abstract description 135
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a speed reducer technical field just discloses a speed reducer output shaft sealing device, including the speed reducer shell, the locking hole has been seted up to the avris of speed reducer shell left end, the avris fixedly connected with external seal cover of speed reducer shell right-hand member, the internally mounted of connection bearing has the speed reducer output shaft, the surface of speed reducer output shaft is located the first sealed piece of right side fixedly connected with of connection bearing, the surface of speed reducer output shaft is located the first sealing ring of right side fixedly connected with of first sealed piece, the surface of speed reducer output shaft is located the left side fixedly connected with second sealing ring of connection bearing, the surface of speed reducer output shaft is located the left side fixedly connected with second sealed piece of second sealing ring. This speed reducer output shaft sealing device, the effectual sealed effect that improves sealing device has guaranteed sealing device's practicality to improve sealing device's life, reduced sealing device's use cost.
Description
Technical Field
The utility model relates to a speed reducer technical field specifically is a speed reducer output shaft sealing device.
Background
The speed reducer, also called as reducer, is an independent part composed of gear drive, worm drive and gear-worm drive enclosed in a rigid casing, and is commonly used as a speed reduction transmission device between a prime mover and a working machine, and plays the roles of matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, so that the speed reducer is widely applied to modern machinery.
However, the existing speed reducer output shaft sealing device basically adopts an oil seal or a rubber sealing ring for sealing, the overall sealing performance is poor, the service life is short, and the use cost is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a speed reducer output shaft sealing device to current speed reducer output shaft sealing device who proposes in solving above-mentioned background art adopts oil blanket or rubber seal to seal basically, and holistic leakproofness is relatively poor, and life is shorter simultaneously, has improved use cost's problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a sealing device for an output shaft of a speed reducer comprises a speed reducer shell, wherein a locking hole is formed in the side of the left end of the speed reducer shell, an outer sealing sleeve is fixedly connected to the side of the right end of the speed reducer shell, a first sealing groove is formed in the inner wall of the speed reducer shell, a second sealing groove is formed in the right side of the first sealing groove in the inner wall of the speed reducer shell, a third sealing groove is formed in the left side of the first sealing groove in the inner wall of the speed reducer shell, a fourth sealing groove is formed in the left end of the speed reducer shell, a connecting bearing is installed inside the speed reducer shell, a speed reducer output shaft is installed inside the connecting bearing, a first sealing block is fixedly connected to the right side of the connecting bearing in the surface of the speed reducer output shaft, a first sealing ring is fixedly connected, the surface of the output shaft of the speed reducer is positioned on the left side of the connecting bearing and fixedly connected with a second sealing ring, and the surface of the output shaft of the speed reducer is positioned on the left side of the second sealing ring and fixedly connected with a second sealing block.
Preferably, the outer sealing sleeve is a wear-resistant rubber sleeve, and the inner side of the outer sealing sleeve is attached to the surface of the output shaft of the speed reducer.
Preferably, the first seal groove, the second seal groove, the third seal groove and the fourth seal groove are respectively matched with the first seal block, the first seal ring, the second seal ring and the second seal block.
Preferably, the first sealing ring and the second sealing ring are both wear-resistant rubber rings, and the first sealing block and the second sealing block are both made of high-strength steel.
Preferably, the first sealing block and the second sealing block are designed in a disc-shaped structure, and the sides of the right ends of the first sealing block and the second sealing block are located inside the first sealing groove and the fourth sealing groove.
Compared with the prior art, the utility model provides a speed reducer output shaft sealing device possesses following beneficial effect:
1. according to the sealing device for the output shaft of the speed reducer, the outer sealing sleeve, the first sealing groove, the second sealing groove, the third sealing groove, the fourth sealing groove, the first sealing block, the first sealing ring, the second sealing ring and the second sealing block are arranged, and the first sealing block and the second sealing block are designed in a disc-shaped structure, so that the sealing effect of the sealing device is effectively improved, and the practicability of the sealing device is ensured;
2. this speed reducer output shaft sealing device, first sealed piece adopt high strength steel with the sealed piece of second, and the external seal cover, first sealing ring adopt wear-resisting rubber cover and wear-resisting rubber ring with the second sealing ring, have improved the intensity of the sealed piece of first sealed piece and second greatly to and the wearability of first sealing ring and second sealing ring, and then improved sealing device's life, reduced sealing device's use cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of the first sealing block of the present invention.
Wherein: 1. a reducer housing; 2. a locking hole; 3. an outer sealing sleeve; 4. a first seal groove; 5. a second seal groove; 6. a third seal groove; 7. a fourth seal groove; 8. connecting a bearing; 9. an output shaft of the reducer; 10. a first seal block; 11. a first seal ring; 12. a second seal ring; 13. and a second seal block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a sealing device for an output shaft of a speed reducer comprises a speed reducer shell 1, wherein a locking hole 2 is formed in the side of the left end of the speed reducer shell 1, an outer sealing sleeve 3 is fixedly connected to the side of the right end of the speed reducer shell 1, a first sealing groove 4 is formed in the inner wall of the speed reducer shell 1, a second sealing groove 5 is formed in the inner wall of the speed reducer shell 1, which is positioned on the right side of the first sealing groove 4, a third sealing groove 6 is formed in the inner wall of the speed reducer shell 1, a fourth sealing groove 7 is formed in the left end of the speed reducer shell 1, a connecting bearing 8 is arranged in the speed reducer shell 1, a speed reducer output shaft 9 is arranged in the connecting bearing 8, a first sealing block 10 is fixedly connected to the right side of the connecting bearing 8 on the surface of the speed reducer output shaft 9, a first sealing ring 11 is, the surface of the reducer output shaft 9 is positioned on the left side of the connecting bearing 8 and is fixedly connected with a second sealing ring 12, and the surface of the reducer output shaft 9 is positioned on the left side of the second sealing ring 12 and is fixedly connected with a second sealing block 13.
Furthermore, the outer sealing sleeve 3 is a wear-resistant rubber sleeve, the inner side of the outer sealing sleeve 3 is attached to the surface of the output shaft 9 of the speed reducer, the outer sealing sleeve 3 is ensured to be attached to the output shaft 9 of the speed reducer, the sealing performance is further ensured, and the service life of the outer sealing sleeve 3 is prolonged.
Further, the first seal groove 4, the second seal groove 5, the third seal groove 6 and the fourth seal groove 7 are respectively matched with the first seal block 10, the first seal ring 11, the second seal ring 12 and the second seal block 13, so that the installation of the first seal block 10, the first seal ring 11, the second seal ring 12 and the second seal block 13 is ensured, and the multiple sealing of the sealing device is realized.
Further, first sealing ring 11 all adopts wear-resisting rubber ring with second sealing ring 12, and first sealed piece 10 all adopts high strength steel with second sealed piece 13, has improved the life of first sealing ring 11 with second sealing ring 12.
Furthermore, the first sealing block 10 and the second sealing block 13 are designed in a disc-shaped structure, and the sides of the right ends of the first sealing block 10 and the second sealing block 13 are located inside the first sealing groove 4 and the fourth sealing groove 7, so that the sealing performance of the sealing device is ensured.
When in use, firstly, the connecting bearing 8 is embedded into the speed reducer shell 1, the first seal block 10, the first seal ring 11, the second seal ring 12 and the second seal block 13 are respectively arranged in the first seal groove 4, the second seal groove 5, the third seal groove 6 and the fourth seal groove 7, one end of the output shaft 9 of the speed reducer extends out of the outer seal sleeve 3, the speed reducer shell 1 is arranged through the locking hole 2 on the speed reducer shell 1, the first seal block 10, the first seal ring 11, the second seal ring 12 and the second seal block 13 realize multiple sealing of the sealing device, the first seal block 10 and the second seal block 13 are all designed by adopting a disc-shaped structure, the sealing performance of the first seal block 10 and the second seal block 13 is enhanced, the first seal block 10 and the second seal block 13 adopt high-strength steel materials, and the first seal ring 11 and the second seal ring 12 adopt wear-resistant rubber rings, the service life of the sealing device is greatly prolonged.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a speed reducer output shaft sealing device, includes speed reducer shell (1), its characterized in that: the locking hole (2) is formed in the side of the left end of the speed reducer shell (1), the outer sealing sleeve (3) is fixedly connected to the side of the right end of the speed reducer shell (1), a first sealing groove (4) is formed in the inner wall of the speed reducer shell (1), a second sealing groove (5) is formed in the right side, located in the first sealing groove (4), of the inner wall of the speed reducer shell (1), a third sealing groove (6) is formed in the left side, located in the first sealing groove (4), of the inner wall of the speed reducer shell (1), a fourth sealing groove (7) is formed in the left end of the speed reducer shell (1), a connecting bearing (8) is installed inside the speed reducer shell (1), a speed reducer output shaft (9) is installed inside the connecting bearing (8), and a first sealing block (10) is fixedly connected to the right side, located on the connecting bearing (8), of, the surface of the speed reducer output shaft (9) is located on the right side of the first sealing block (10) and is fixedly connected with a first sealing ring (11), the surface of the speed reducer output shaft (9) is located on the left side of the connecting bearing (8) and is fixedly connected with a second sealing ring (12), and the surface of the speed reducer output shaft (9) is located on the left side of the second sealing ring (12) and is fixedly connected with a second sealing block (13).
2. The sealing device for the output shaft of the speed reducer according to claim 1, wherein: the outer sealing sleeve (3) is a wear-resistant rubber sleeve, and the inner side of the outer sealing sleeve (3) is attached to the surface of the output shaft (9) of the speed reducer.
3. The sealing device for the output shaft of the speed reducer according to claim 1, wherein: the first sealing groove (4), the second sealing groove (5), the third sealing groove (6) and the fourth sealing groove (7) are matched with the first sealing block (10), the first sealing ring (11), the second sealing ring (12) and the second sealing block (13) respectively.
4. The sealing device for the output shaft of the speed reducer according to claim 1, wherein: the first sealing ring (11) and the second sealing ring (12) are both wear-resistant rubber rings, and the first sealing block (10) and the second sealing block (13) are both made of high-strength steel.
5. The sealing device for the output shaft of the speed reducer according to claim 1, wherein: first sealed piece (10) all adopt the disc structure design with second sealed piece (13), the avris of first sealed piece (10) and second sealed piece (13) right-hand member is located the inside of first seal groove (4) and fourth seal groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009251.XU CN213361031U (en) | 2020-09-14 | 2020-09-14 | Reducer output shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009251.XU CN213361031U (en) | 2020-09-14 | 2020-09-14 | Reducer output shaft sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213361031U true CN213361031U (en) | 2021-06-04 |
Family
ID=76151798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022009251.XU Active CN213361031U (en) | 2020-09-14 | 2020-09-14 | Reducer output shaft sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213361031U (en) |
-
2020
- 2020-09-14 CN CN202022009251.XU patent/CN213361031U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou TaiFu Heavy Industry Equipment Co.,Ltd. Assignor: Yangzhou Taifu Zhizao transmission equipment Co.,Ltd. Contract record no.: X2024980012753 Denomination of utility model: A sealing device for the output shaft of a reducer Granted publication date: 20210604 License type: Common License Record date: 20240822 |