JPH0319170U - - Google Patents
Info
- Publication number
- JPH0319170U JPH0319170U JP1989080586U JP8058689U JPH0319170U JP H0319170 U JPH0319170 U JP H0319170U JP 1989080586 U JP1989080586 U JP 1989080586U JP 8058689 U JP8058689 U JP 8058689U JP H0319170 U JPH0319170 U JP H0319170U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- fitting
- sub
- chamfer
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第1図はこの考案の実施例を示す要部の縦断正
面図、第2図はこの考案のサブシールの要部の縦
断正面図、第3図はメインのオイルシールの要部
の縦断正面図、第4図は従来の複合往復動用オイ
ルシールを示す要部の縦断正面図である。
1……オイルシール、2……サブシール、2a
……底面、3……補強環、3a……外周部、3b
……内周フランジ部、4……主リツプ、5……外
周嵌合部、6……嵌合面、7……面取、8……補
強環、8a……外周部、8b……内周フランジ部
、8c……外周フランジ部、9……リツプ、10
……係止部、11……嵌合面、12……面取。
Fig. 1 is a longitudinal sectional front view of the main parts showing an embodiment of this invention, Fig. 2 is a longitudinal sectional front view of the main parts of the sub-seal of this invention, Fig. 3 is a longitudinal sectional front view of the main parts of the main oil seal, FIG. 4 is a longitudinal sectional front view of the main parts of a conventional compound reciprocating oil seal. 1...Oil seal, 2...Sub seal, 2a
... Bottom surface, 3 ... Reinforcement ring, 3a ... Outer periphery, 3b
...Inner flange portion, 4...Main lip, 5...Outer fitting portion, 6...Fitting surface, 7...Chamfer, 8...Reinforcement ring, 8a...Outer periphery, 8b...Inner Peripheral flange portion, 8c...Outer flange portion, 9...Rip, 10
... Locking portion, 11 ... Fitting surface, 12 ... Chamfer.
Claims (1)
部の内周面に焼付けたゴム層に嵌合面及びその上
端部に面取を形成し、サブシールの補強環の外周
部の外周面に焼付けたゴム層に嵌合面及びその下
端部に面取を形成し、前記サブシールの嵌合面を
オイルシールの嵌合面に密着嵌合してなり、両嵌
合面は前記サブシールの圧入方向に徐々に径が増
大するようにテーパー面に形成され、前記両面取
は前記サブシールの圧入方向に徐々に径が縮小す
るようにテーパー面に形成されてなることを特徴
とする複合往復動用オイルシール。 A chamfer is formed on the fitting surface and the upper end of the rubber layer baked on the inner circumferential surface of the upper end of the outer circumference of the reinforcing ring of the main oil seal, and a chamfer is formed on the outer circumferential surface of the outer circumference of the reinforcing ring of the sub seal. A chamfer is formed on the fitting surface and the lower end of the rubber layer, and the fitting surface of the sub-seal is closely fitted to the fitting surface of the oil seal, and both fitting surfaces are gradually chamfered in the press-fitting direction of the sub-seal. A compound reciprocating oil seal characterized in that the double-sided chamfer is formed on a tapered surface so that the diameter thereof gradually decreases in the press-fitting direction of the sub-seal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989080586U JPH0647179Y2 (en) | 1989-07-06 | 1989-07-06 | Compound reciprocating oil seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989080586U JPH0647179Y2 (en) | 1989-07-06 | 1989-07-06 | Compound reciprocating oil seal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0319170U true JPH0319170U (en) | 1991-02-25 |
JPH0647179Y2 JPH0647179Y2 (en) | 1994-11-30 |
Family
ID=31625781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989080586U Expired - Lifetime JPH0647179Y2 (en) | 1989-07-06 | 1989-07-06 | Compound reciprocating oil seal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0647179Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002364757A (en) * | 2001-06-08 | 2002-12-18 | Koyo Sealing Techno Co Ltd | Sealing device |
JP2003106455A (en) * | 2001-09-28 | 2003-04-09 | Nok Corp | Injection pipe seal |
-
1989
- 1989-07-06 JP JP1989080586U patent/JPH0647179Y2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002364757A (en) * | 2001-06-08 | 2002-12-18 | Koyo Sealing Techno Co Ltd | Sealing device |
JP2003106455A (en) * | 2001-09-28 | 2003-04-09 | Nok Corp | Injection pipe seal |
Also Published As
Publication number | Publication date |
---|---|
JPH0647179Y2 (en) | 1994-11-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |