CN214274484U - Muddy water-proof oil seal for axle - Google Patents
Muddy water-proof oil seal for axle Download PDFInfo
- Publication number
- CN214274484U CN214274484U CN202120245726.7U CN202120245726U CN214274484U CN 214274484 U CN214274484 U CN 214274484U CN 202120245726 U CN202120245726 U CN 202120245726U CN 214274484 U CN214274484 U CN 214274484U
- Authority
- CN
- China
- Prior art keywords
- sealing
- muddy water
- framework
- sealing lip
- oil seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 139
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000004519 grease Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 5
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 9
- 230000002265 prevention Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Landscapes
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model provides an axle muddy water-proof oil seal, including outer oil blanket, interior oil blanket and axle sleeve, outer oil blanket includes exoskeleton, exoskeleton seal, multistage muddy water-proof seal lip and external seal lip, and the cross-section of exoskeleton is L type structure, and the outside of the L type vertical wall of exoskeleton is provided with exoskeleton seal, and the outside of the L type horizontal wall of exoskeleton is provided with multistage muddy water-proof seal lip, and the opposite side of the L type vertical wall of exoskeleton and the department of connecting L type horizontal wall are provided with the external seal lip; the outer sealing lip is provided with an outer sealing spring; the outer skeleton sealing body is connected with the outer sealing lip through the multistage muddy water-proof sealing lip. The utility model discloses a muddy water oil blanket is prevented to axle has solved the problem that it is difficult to guarantee the sealed effect of product under abominable operating mode condition that present combination oil blanket exists, has overcome the relatively poor defect of muddy water resistance ability of product, and it is good to have sealed effect, guarantees that the product has good sealing performance under abominable operating mode; the service life is long.
Description
Technical Field
The utility model relates to an oil blanket technical field especially relates to a muddy water oil blanket is prevented to axle.
Background
The oil blanket that present axle used adopts conventional structure more, or combines two oil blanket simplifications together, has the muddy water effect of preventing not good enough, and life is short, and sealing performance is relatively poor shortcoming, can't satisfy the sealed problem of axle under abominable muddy water environment.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect, the utility model aims to provide an axle muddy water prevention oil seal, solve the problem that the existing combined oil seal is difficult to guarantee the sealing effect of the product under the severe working condition, overcome the defect that the muddy water prevention performance of the product is poor, have the advantages of good sealing effect and guarantee that the product has good sealing performance under the severe working condition; the service life is long.
In order to achieve the purpose, the utility model provides an axle muddy water prevention oil seal, including outer oil blanket, interior oil blanket and axle sleeve, outer oil blanket includes exoskeleton, exoskeleton seal, multistage muddy water seal lip and external seal lip, the cross-section of exoskeleton is L type structure, the outside of the L type vertical wall of exoskeleton is provided with exoskeleton seal, the outside of the L type horizontal wall of exoskeleton is provided with multistage muddy water seal lip, the opposite side of the L type vertical wall of exoskeleton and the department of connecting L type horizontal wall are provided with external seal lip; an outer sealing spring is arranged on the outer sealing lip; the outer skeleton sealing body is connected with the outer sealing lip through the multistage muddy water-proof sealing lip.
Preferably, the inner oil seal comprises an inner framework, an inner framework sealing body, an inner sealing spring and an inner sealing lip, the cross section of the inner framework is of an inverted L-shaped structure, the outer side of an inverted L-shaped vertical wall of the inner framework is provided with the inner framework sealing body, the end part of an inverted L-shaped transverse wall of the inner framework is provided with the inner sealing lip, and the inner sealing lip is provided with the inner sealing spring; the inner framework sealing body is connected with the inner sealing lip.
Further, the axle sleeve includes axle sleeve skeleton and axle sleeve seal, the cross-section of axle sleeve skeleton is mirror image L type structure, the parcel of axle sleeve seal sets up the outside at the axle sleeve skeleton.
Furthermore, a lubricating grease layer is arranged at a gap between the outer sealing lip of the outer oil seal and the shaft sleeve framework, a gap between the inner sealing lip of the inner oil seal and the shaft sleeve framework, and a gap between the multistage muddy water sealing lip and the shaft sleeve framework.
Furthermore, the outer sealing lip, the inner sealing lip and the multistage muddy water-proof sealing lip form an interference fit structure with the shaft sleeve framework.
Furthermore, the inner skeleton sealing body, the outer skeleton sealing body, the inner sealing lip, the outer sealing lip, the multistage waterproof sealing lip and the shaft sleeve sealing body are made of rubber.
Furthermore, the axle muddy water-proof oil seal is arranged on the rotating shaft, a shell is sleeved outside the rotating shaft, and an interference fit is formed between the outer framework sealing body and the inner diameter of the shell to play a role in sealing; the inner framework sealing body and the outer framework form interference fit to play a sealing role; and interference fit is formed between the shaft sleeve sealing body and the rotating shaft to play a role in sealing.
The utility model provides an axle muddy water prevention oil seal, which solves the problem that the sealing effect of the product under the severe working condition is difficult to ensure in the existing combined oil seal, overcomes the defect of poor muddy water prevention performance of the product, has good sealing effect, and ensures that the product has the advantage of good sealing performance under the severe working condition; the service life is long.
Drawings
FIG. 1 is a schematic structural view of the axle muddy water-proof oil seal of the present invention;
FIG. 2 is a schematic view of the installation of the axle muddy water-proof oil seal of the utility model;
1-inner sealing lip, 2-inner sealing spring, 3-inner framework, 4-inner framework sealing body, 5-outer framework, 6-outer framework sealing body, 7-multistage muddy water sealing lip, 8-shaft sleeve framework, 9-outer sealing spring, 10-outer sealing lip, 11-shaft sleeve sealing body, 12-lubricating grease layer, 13-shell and 14-rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the utility model provides an axle prevents muddy water oil blanket, including outer oil blanket, interior oil blanket and axle sleeve.
Outer oil blanket includes exoskeleton 5, exoskeleton seal 6, multistage muddy water seal lip 7 and external seal lip 10, the cross-section of exoskeleton 5 is L type structure, the outside that the L type of exoskeleton 5 erected the wall is provided with exoskeleton seal 6, the outside of the L type horizontal wall of exoskeleton 5 is provided with multistage muddy water seal lip 7, the opposite side that the L type of exoskeleton 5 erected the wall just connects L type horizontal wall department and is provided with external seal lip 10. An outer sealing spring 9 is arranged on the outer sealing lip 10. The outer skeleton sealing body 6 is connected with an outer sealing lip 10 through an outer skeleton 5.
The inner oil seal comprises an inner framework 3, an inner framework sealing body 4, an inner sealing spring 2 and an inner sealing lip 1, wherein the cross section of the inner framework 3 is of an inverted L-shaped structure, the outer side of the inverted L-shaped vertical wall of the inner framework 3 is provided with the inner framework sealing body 4, the end part of the inverted L-shaped transverse wall of the inner framework 3 is provided with the inner sealing lip 1, and the inner sealing spring 2 is arranged on the inner sealing lip 1. The inner framework sealing body 4 is connected with the inner sealing lip 1 through the inner framework 3. The axle sleeve includes axle sleeve skeleton 8 and axle sleeve seal 11, the cross-section of axle sleeve skeleton 8 is mirror image L type structure, axle sleeve seal 11 parcel sets up in the outside of axle sleeve skeleton 8.
And lubricating grease layers 12 are arranged at the gap between the outer sealing lip 10 of the outer oil seal and the shaft sleeve framework 8, the gap between the inner sealing lip 1 of the inner oil seal and the shaft sleeve framework 8 and the gap between the multistage muddy water-proof sealing lip 7 and the shaft sleeve framework 8.
The outer sealing lip 10, the inner sealing lip 1 and the multistage muddy water-proof sealing lip 7 form an interference fit structure with the shaft sleeve framework 8.
The axle muddy water prevention oil seal is arranged on a rotating shaft 14, a shell 13 is sleeved outside the rotating shaft 14, and an interference fit is formed between an outer framework sealing body 6 and the inner diameter of the shell 13 to play a role in sealing; the inner framework sealing body 4 and the outer framework 5 form interference fit to play a sealing role; the shaft sleeve sealing body 11 and the rotating shaft 14 form an interference fit to play a sealing role.
The inner skeleton sealing body 4, the outer skeleton sealing body 6, the inner sealing lip 1, the outer sealing lip 10, the multistage waterproof sealing lip 7 and the shaft sleeve sealing body 11 are made of rubber.
During working, the inner sealing lip 1 of the axle muddy water-proof oil seal mainly seals the inner sealing medium, the outer sealing lip 10 plays a second sealing role on the inner sealing medium, and the multistage muddy water-proof sealing lip 7 is in interference fit with the shaft sleeve framework 8 to perform multiple sealing on external muddy water and impurities; lubricating grease layers are arranged at the gap between the outer sealing lip 10 of the outer oil seal and the shaft sleeve framework 8, the gap between the inner sealing lip 1 of the inner oil seal and the shaft sleeve framework 8 and the gap between the multistage muddy water proof sealing lip 7 and the shaft sleeve framework 8, so that dry friction of products is avoided; the whole body performs multi-stage sealing on external impurities, so that the sealing performance of the product under severe working conditions such as paddy field slurry and the like is ensured.
The utility model provides an axle muddy water prevention oil seal, which solves the problem that the sealing effect of the product under the severe working condition is difficult to ensure in the existing combined oil seal, overcomes the defect of poor muddy water prevention performance of the product, has good sealing effect, and ensures that the product has the advantage of good sealing performance under the severe working condition; the service life is long.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (7)
1. The axle muddy water-proof oil seal is characterized by comprising an outer oil seal, an inner oil seal and a shaft sleeve, wherein the outer oil seal comprises an outer framework (5), an outer framework sealing body (6), a multi-stage muddy water-proof sealing lip (7) and an outer sealing lip (10), the cross section of the outer framework (5) is of an L-shaped structure, the outer framework sealing body (6) is arranged on the outer side of an L-shaped vertical wall of the outer framework (5), the multi-stage muddy water-proof sealing lip (7) is arranged on the outer side of an L-shaped transverse wall of the outer framework (5), and the outer sealing lip (10) is arranged on the opposite side of the L-shaped vertical wall of the outer framework (5) and connected with the L-shaped transverse wall; an outer sealing spring (9) is arranged on the outer sealing lip (10); the outer skeleton sealing body (6) is connected with the outer sealing lip (10) through the multistage muddy water sealing lip (7).
2. The axle muddy water-proof oil seal according to claim 1, characterized in that the inner oil seal comprises an inner frame (3), an inner frame sealing body (4), an inner sealing spring (2) and an inner sealing lip (1), the cross section of the inner frame (3) is of an inverted L-shaped structure, the inner frame sealing body (4) is arranged on the outer side of the inverted L-shaped vertical wall of the inner frame (3), the inner sealing lip (1) is arranged at the end part of the inverted L-shaped transverse wall of the inner frame (3), and the inner sealing spring (2) is arranged on the inner sealing lip (1); the inner framework sealing body (4) is connected with the inner sealing lip (1).
3. The axle muddy water-proof oil seal is characterized in that the shaft sleeve comprises a shaft sleeve framework (8) and a shaft sleeve sealing body (11), the cross section of the shaft sleeve framework (8) is of a mirror image L-shaped structure, and the shaft sleeve sealing body (11) is wrapped on the outer side of the shaft sleeve framework (8).
4. The axle muddy water-proof oil seal is characterized in that a lubricating grease layer (12) is arranged in a gap between an outer sealing lip (10) of the outer oil seal and a shaft sleeve framework (8), a gap between an inner sealing lip (1) of the inner oil seal and the shaft sleeve framework (8) and a gap between a multi-stage muddy water-proof sealing lip (7) and the shaft sleeve framework (8).
5. The axle muddy water-proof oil seal is characterized in that the outer sealing lip (10), the inner sealing lip (1) and the multistage muddy water-proof sealing lip (7) form an interference fit structure with the shaft sleeve framework (8).
6. The axle muddy water-proof oil seal is characterized in that the inner framework sealing body (4), the outer framework sealing body (6), the inner sealing lip (1), the outer sealing lip (10), the multistage muddy water-proof sealing lip (7) and the shaft sleeve sealing body (11) are made of rubber.
7. The axle muddy water-proof oil seal is characterized in that the axle muddy water-proof oil seal is arranged on a rotating shaft (14), a shell (13) is sleeved outside the rotating shaft (14), and an interference fit is formed between the outer framework sealing body (6) and the inner diameter of the shell (13) to achieve a sealing effect; the inner framework sealing body (4) and the outer framework (5) form interference fit to play a sealing role; the shaft sleeve sealing body (11) and the rotating shaft (14) form interference fit to play a sealing role.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120245726.7U CN214274484U (en) | 2021-01-28 | 2021-01-28 | Muddy water-proof oil seal for axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120245726.7U CN214274484U (en) | 2021-01-28 | 2021-01-28 | Muddy water-proof oil seal for axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274484U true CN214274484U (en) | 2021-09-24 |
Family
ID=77769198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120245726.7U Expired - Fee Related CN214274484U (en) | 2021-01-28 | 2021-01-28 | Muddy water-proof oil seal for axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274484U (en) |
-
2021
- 2021-01-28 CN CN202120245726.7U patent/CN214274484U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |