JPS62124370U - - Google Patents
Info
- Publication number
- JPS62124370U JPS62124370U JP1986012079U JP1207986U JPS62124370U JP S62124370 U JPS62124370 U JP S62124370U JP 1986012079 U JP1986012079 U JP 1986012079U JP 1207986 U JP1207986 U JP 1207986U JP S62124370 U JPS62124370 U JP S62124370U
- Authority
- JP
- Japan
- Prior art keywords
- lip
- circumferential surface
- sub
- protrusions
- entire circumference
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案に係る一実施例であるオイルシ
ールを用いたオイルシール構造を示す縦断面図、
第２図は同構造の要部を拡大して示す縦断面図、
第３図は同構造のオイルシールの要部を示す縦断
面図、第４図は同オイルシールの副リツプの内周
面部分を示す第３図の―線に沿つた断面図で
ある。
２……軸、３……オイルシール、６……シール
リツプ、７……副リツプ、７ａ……副リツプの内
周面、１０……空間、１１……突起部、１２……
空気通路、１３，１４……突起部の側面。
FIG. 1 is a longitudinal sectional view showing an oil seal structure using an oil seal according to an embodiment of the present invention;
Figure 2 is a longitudinal sectional view showing an enlarged view of the main parts of the same structure;
FIG. 3 is a longitudinal cross-sectional view showing a main part of an oil seal having the same structure, and FIG. 4 is a cross-sectional view taken along the line ``--'' in FIG. 2...Shaft, 3...Oil seal, 6...Seal lip, 7...Sub-lip, 7a...Inner peripheral surface of sub-lip, 10...Space, 11...Protrusion, 12...
Air passages, 13, 14... side surfaces of the protrusions.
Claims (1)
有する断面くさび形状の環状シールリツプを備え
、該シールリツプの空気側に副リツプが全周にわ
たつて設けられ、該副リツプの内周面に、軸の外
周面に摺接する突起部が全周にわたり等間隔をも
つて多数設けられ、該突起部の両側面が油側へ向
けて互いに収束状に形成されていることを特徴と
するオイルシール。 An annular seal lip having a wedge-shaped cross-section and having inclined surfaces inclined in opposite directions is provided on the inner circumferential surface, and a sub-lip is provided on the air side of the seal lip over the entire circumference, and on the inner circumferential surface of the sub-lip, An oil seal characterized in that a large number of protrusions that come into sliding contact with the outer circumferential surface of a shaft are provided at equal intervals over the entire circumference, and both side surfaces of the protrusions are formed so as to converge toward the oil side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986012079U JPS62124370U (en) | 1986-01-30 | 1986-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986012079U JPS62124370U (en) | 1986-01-30 | 1986-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62124370U true JPS62124370U (en) | 1987-08-07 |
Family
ID=30799877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986012079U Pending JPS62124370U (en) | 1986-01-30 | 1986-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62124370U (en) |
-
1986
- 1986-01-30 JP JP1986012079U patent/JPS62124370U/ja active Pending