CN213322517U - Sealing structure for rear-drive axle - Google Patents
Sealing structure for rear-drive axle Download PDFInfo
- Publication number
- CN213322517U CN213322517U CN202022220463.2U CN202022220463U CN213322517U CN 213322517 U CN213322517 U CN 213322517U CN 202022220463 U CN202022220463 U CN 202022220463U CN 213322517 U CN213322517 U CN 213322517U
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- China
- Prior art keywords
- sealing element
- rear axle
- axle
- oil
- casing
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- Expired - Fee Related
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Abstract
The utility model provides a seal structure for in rear-guard axle belongs to automobile manufacturing technical field. It has solved the problem of oil leak on the current rear axle. This a seal structure for in rear-drive axle, this axle include rear axle casing, rear axle pipe, motor and wheel hub, its characterized in that, rear axle casing and rear axle pipe cooperate through the joint to be connected, rear axle pipe and rear axle casing between binding face department install the sealing element one that is used for preventing the oil drip, the rear axle casing in offer the labyrinth groove that is used for preventing the infiltration of oil stain, the rear axle casing in be provided with double-deck sealed sealing element two and sealing element three, sealing element two and sealing element three between install the oil absorption paper that can absorb the oil stain. The utility model has the advantages of simple structure and multiple oil leakage prevention structure.
Description
Technical Field
The utility model belongs to the technical field of the automobile manufacturing, a seal structure for in rear drive axle is related to.
Background
With the improvement of living standard of people, the requirements of people on living quality are higher and higher, the automobile is the most common transportation means developed in modern society, the rear axle is the most important transmission structure in the automobile, and the rear axle is the rear driving shaft component for transmitting the power of the automobile. The half-bridge differential motion device comprises two half-bridges, can implement half-bridge differential motion, and is also a device for supporting wheels and connecting rear wheels, if the vehicle is driven by a front axle, the rear axle is just a follower axle and only plays a role of bearing, if the front axle is not a drive axle, the rear axle is a drive axle, and the vehicle plays a role of driving, reducing and differentiating besides the bearing function.
Therefore, the problem of oil seal between the rear axle housing and the rear axle tube is solved in the technical field of automobile manufacturing at present.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a strengthen rear axle casing and rear axle between the bridge pipe oil blanket intensity, improve automobile rear axle life's rear axle seal structure.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a seal structure for in rear-guard axle, this axle include rear axle casing, rear axle pipe, motor and wheel hub, its characterized in that, rear axle casing and rear axle pipe cooperate through the joint and be connected, rear axle pipe and rear axle casing between binding face department install the sealing element one that is used for preventing oil drip, the rear axle casing in offer the labyrinth groove that is used for preventing the infiltration of oil stain, the rear axle casing in be provided with double-deck sealed sealing element two and sealing element three, sealing element two and sealing element three between install the oil absorption paper that can absorb the oil stain.
In the above sealing structure for a rear-drive axle, the rear axle pipe orifice is provided with a boss for abutting and fixing the sealing element.
In the sealing structure for the rear-drive axle, a clamping ring part for fixing the second sealing element, the oil absorption paper and the third sealing element is arranged in the rear-drive axle housing.
In the sealing structure for the rear-drive axle, the first sealing element, the second sealing element and the third sealing element are oil seals.
Compared with the prior art, the sealing structure for the rear-drive axle has the advantages of multiple anti-leakage setting, simple structure and good sealing performance.
Drawings
Fig. 1 is a schematic perspective view of a rear drive axle sealing structure.
Fig. 2 is a partial sectional structural schematic diagram of the rear drive axle sealing structure.
In the figure, 1, a rear axle housing; 2. a rear axle tube; 3. a hub; 4. clamping; 5. a first sealing element; 6. a labyrinth groove; 7. a second sealing element; 8. a third sealing element; 9. oil absorbing paper; 10. a boss portion; 11. the clamping ring part.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, this a seal structure for in rear-drive axle, this axle include rear-axle housing 1, rear axle pipe 2, motor and wheel hub 3, its characterized in that, rear-axle housing 1 and rear-axle pipe 2 cooperate through joint 4 and be connected, rear-axle pipe 2 and rear-axle housing 1 between binding face department install be used for preventing the sealing element 5 of oil drip leakage, rear-axle housing 1 in seted up and be used for preventing the infiltration of oil stain maze groove 6, rear-axle housing 1 in be provided with two 7 of double-deck sealed sealing element and three 8 of sealing element, two 7 of sealing element and three 8 of sealing element between install the oil absorption paper 9 that can absorb the oil stain.
In the above-described seal structure for a rear-drive axle, the rear axle tube 2 port is provided with a boss 10 against which the seal member one 5 is fixed.
In the sealing structure for the rear-drive axle, a clamping ring part 11 for fixing the second sealing element 7, the oil absorption paper 9 and the third sealing element 8 is arranged in the rear axle housing 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides a seal structure for in rear-guard axle, this axle include rear axle casing (1), rear axle pipe (2) and wheel hub (3), its characterized in that, rear axle casing (1) and rear axle pipe (2) cooperate through joint (4) and be connected, rear axle pipe (2) and rear axle casing (1) between binding face department install be used for preventing sealing element (5) of oil drip, rear axle casing (1) in seted up be used for preventing labyrinth groove (6) of oil stain infiltration, rear axle casing (1) in be provided with two (7) of double-deck sealed sealing element and three (8) of sealing element, two (7) of sealing element and three (8) between install oil absorption paper (9) that can absorb oil stain.
2. A sealing arrangement in a rear-drive axle according to claim 1, characterised in that the rear axle tube (2) opening is provided with a projection (10) against which a first sealing element (5) is secured.
3. A sealing structure for a rear drive axle according to claim 1, wherein a snap ring portion (11) for fixing a second sealing element (7), an oil absorption paper (9) and a third sealing element (8) is arranged in the rear axle housing (1).
4. A sealing structure for a rear-drive axle according to claim 1, wherein the first sealing element (5), the second sealing element (7) and the third sealing element (8) are oil seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220463.2U CN213322517U (en) | 2020-09-30 | 2020-09-30 | Sealing structure for rear-drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220463.2U CN213322517U (en) | 2020-09-30 | 2020-09-30 | Sealing structure for rear-drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213322517U true CN213322517U (en) | 2021-06-01 |
Family
ID=76070191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022220463.2U Expired - Fee Related CN213322517U (en) | 2020-09-30 | 2020-09-30 | Sealing structure for rear-drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213322517U (en) |
-
2020
- 2020-09-30 CN CN202022220463.2U patent/CN213322517U/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 |
Granted publication date: 20210601 Termination date: 20210930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |