CN2675967Y - End surface labyrinth type oil seal - Google Patents
End surface labyrinth type oil seal Download PDFInfo
- Publication number
- CN2675967Y CN2675967Y CN 200420003549 CN200420003549U CN2675967Y CN 2675967 Y CN2675967 Y CN 2675967Y CN 200420003549 CN200420003549 CN 200420003549 CN 200420003549 U CN200420003549 U CN 200420003549U CN 2675967 Y CN2675967 Y CN 2675967Y
- Authority
- CN
- China
- Prior art keywords
- lip
- sealing
- face
- oil seal
- oil
- 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
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model principally relates to a sealing device, in particular to a sealing device for sealing the axle gear oil. The utility model provides an oil seal with comparative good end face sealing effect and the self-lubrication function. The utility model comprises a primary lip and a secondary lip; one side end face of the primary lip is equipped with a long seal lip that is at least one. Using the oil seal of the utility model, the reliability of the gear oil sealing in the axle is very good, the gear oil is not leaked, and the outside dust can not enter; the oil seal has the function of self-lubrication, and the durability of the oil seal is lengthened.
Description
Technical field
The utility model relates generally to a kind of seal arrangement, more specifically to a kind of seal arrangement that is used to seal the vehicle bridge gear oil.
Background technique
Have only two seal lips as the vehicle bridge gear oil front cover of the prior art: main lip and secondary lip, the dust of end face ratio is easier to enter into sealing area like this, so the reliability of its sealing is lower; And in use, there is relative movement to cause the wearing and tearing of oil sealing and semiaxis relatively more severe between oil sealing and the semiaxis, causes shorten the working life of oil sealing and semiaxis.
Summary of the invention
It is relatively good that the utility model aims to provide a kind of end face seal effect, and have the oil sealing of self-lubricating function.
The technical solution of the utility model is such: it comprises main lip and secondary lip, the end face of its main lip one side is provided with long sealing lip, long sealing lip is set at least one, the lip of long sealing lip is set to the mazy type lip, long sealing lip and seal lip parallel with main lip is higher than main lip, the periphery of the end face of oil sealing also is provided with the end face seal lip, and the end face seal lip is set at least two, the structure that secondary lip is set to upwarp.
Use oil sealing of the present utility model, not only the oil-tightening reliability of gear in the vehicle bridge is fine, and gear oil can not spill, and the dust of outside can not enter, and oil sealing self has self-lubricating function, has prolonged the working life of oil sealing.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Embodiment
It comprises main lip and secondary lip 5 end face labyrinth oil seal of the present utility model, the end face of its main lip one side is provided with long sealing lip 3, long sealing lip 3 is set at least two, the lip of long sealing lip 3 is set to the mazy type lip, long sealing lip 3 and seal lip parallel with main lip is higher than main lip, the periphery of oil sealing end face also is provided with end face seal lip 2, and end face seal lip 2 is set at least one, the structure that secondary lip 5 is set to upwarp.
As shown in Figure 1, oil sealing of the present utility model comprises the long sealing lip 3 of main lip, secondary lip 5 and end face part, long sealing lip 3 is set to one or more, and the lip of long sealing lip 3 is arranged to the mazy type lip, this structure has been avoided the leakage of gear oil and entering of external dust effectively, has improved the sealing reliability of oil sealing; The periphery of end face also is provided with end face seal lip 2, and end face seal lip 2 is set at least one, and present embodiment is provided with twice, has avoided the possibility of spindle nose 4 and dust intake duct, wheel hub 1 junction gear oil the inside so effectively; The structure that the secondary lip 5 of oil sealing is set to upwarp, just can upwarp partly and between the semiaxis 6 of car so when mounted and put some lubricating grease at secondary lip, in use, can make the major and minor lip of semiaxis 6 and oil sealing keep lubricated, reduced friction, prolonged the working life of oil sealing and semiaxis 6 effectively, made oil sealing and the semiaxis 6 can be synchronous, reduced the trouble of renewal part and oil sealing in the automobile using process with the life-span of whole vehicle bridge; The back side of oil sealing master lip is provided with spring groove, and the banding spring is set in the spring groove, has strengthened the sealing of oil sealing, has prevented the phenomenon that gear oil is revealed along semiaxis.
As shown in Figure 1, all the interference fit that adopts between oil sealing and semiaxis 6 and the spindle nose 4, the joint between oil sealing and semiaxis 6 and the spindle nose 4 is all very tight like this, improves the sealing reliability of oil sealing.
The sealing of the utility model oil sealing and self lubricity are all very good, can be widely used in the field of sealing technology of automotive axle.
Claims (7)
1, a kind of end face labyrinth oil seal, it comprises main lip and secondary lip, it is characterized in that: the end face of its main lip one side is provided with long sealing lip.
2, end face labyrinth oil seal according to claim 1, it is characterized in that: long sealing lip is set at least one.
3, end face labyrinth oil seal according to claim 2, it is characterized in that: the lip of long sealing lip is set to the mazy type lip.
4, end face labyrinth oil seal according to claim 3 is characterized in that: long sealing lip and seal lip parallel with main lip is higher than main lip.
5, end face labyrinth oil seal according to claim 4 is characterized in that: the periphery of its main lip one side end face is provided with the end face seal lip.
6, end face labyrinth oil seal according to claim 5, it is characterized in that: the end face seal lip is set at least two.
7, end face labyrinth oil seal according to claim 6 is characterized in that: the structure that secondary lip is set to upwarp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003549 CN2675967Y (en) | 2004-02-16 | 2004-02-16 | End surface labyrinth type oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003549 CN2675967Y (en) | 2004-02-16 | 2004-02-16 | End surface labyrinth type oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2675967Y true CN2675967Y (en) | 2005-02-02 |
Family
ID=34482404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420003549 Expired - Fee Related CN2675967Y (en) | 2004-02-16 | 2004-02-16 | End surface labyrinth type oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2675967Y (en) |
-
2004
- 2004-02-16 CN CN 200420003549 patent/CN2675967Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050202 Termination date: 20120216 |