JPH0452663U - - Google Patents
Info
- Publication number
- JPH0452663U JPH0452663U JP1990094492U JP9449290U JPH0452663U JP H0452663 U JPH0452663 U JP H0452663U JP 1990094492 U JP1990094492 U JP 1990094492U JP 9449290 U JP9449290 U JP 9449290U JP H0452663 U JPH0452663 U JP H0452663U
- Authority
- JP
- Japan
- Prior art keywords
- metal ring
- fixed
- lip portion
- seal lip
- sealing
- 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
- 239000002184 metal Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000002788 crimping Methods 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例にかかる密封装置の
要部縦断面図、第２図は従来の密封装置が適用さ
れるシヨツクアブソーバの一部破断正面図、第３
図は第２図の要部断面図である。
符号の説明、１……密封装置、２……金属環、
２１……内側端面、２２……外側端面、３……ゴ
ム状弾性体、４……シールリツプ部、４１……メ
インリツプ、４２……補助リツプ、５……固定シ
ール部、６……外周シール部、７……テーパー面
、８……応力緩和溝、１０……ハウジング、１１
……外筒、１２……ロツドガイド、１３……軸孔
、１４……ロツド、１５……圧着段部、１６……
圧着端部。
FIG. 1 is a vertical cross-sectional view of a main part of a sealing device according to an embodiment of the present invention, FIG. 2 is a partially cutaway front view of a shock absorber to which a conventional sealing device is applied, and FIG.
The figure is a sectional view of the main part of FIG. 2. Explanation of symbols, 1...Sealing device, 2...Metal ring,
21...Inner end face, 22...Outer end face, 3...Rubber-like elastic body, 4...Seal lip portion, 41...Main lip, 42...Auxiliary lip, 5...Fixed seal portion, 6...Outer periphery seal portion , 7... Tapered surface, 8... Stress relaxation groove, 10... Housing, 11
... Outer cylinder, 12 ... Rod guide, 13 ... Shaft hole, 14 ... Rod, 15 ... Crimp step, 16 ...
Crimp ends.
Claims (1)
入される可動軸間の隙間を密封するもので、前記
ハウジングに設けられた一対の圧着部材によつて
軸方向に圧着固定される金属環と、該金属環に一
体的に接着固定されたゴム状弾性体とからなり、
該ゴム状弾性体が、金属環の内径端部に設けられ
可動軸に摺動自在に密封接触するシールリツプ部
と、該シールリツプ部と一体的に設けられ前記圧
着部材と金属環との間に介在される固定シール部
とを備える密封装置において、 前記金属環の固定シール部の接着面に応力緩和
用の溝を設けたことを特徴とする密封装置。[Claims for Utility Model Registration] A device for sealing a gap between a shaft hole of a housing and a movable shaft slidably inserted into the shaft hole, by a pair of crimping members provided in the housing. Consisting of a metal ring that is crimped and fixed in the axial direction, and a rubber-like elastic body that is integrally adhesively fixed to the metal ring,
The rubber-like elastic body includes a seal lip portion provided at the inner diameter end of the metal ring and slidably and in sealing contact with the movable shaft, and a seal lip portion provided integrally with the seal lip portion and interposed between the crimp member and the metal ring. What is claimed is: 1. A sealing device comprising: a fixed seal portion of the metal ring, wherein a groove for stress relaxation is provided on an adhesive surface of the fixed seal portion of the metal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990094492U JPH0810710Y2 (en) | 1990-09-07 | 1990-09-07 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990094492U JPH0810710Y2 (en) | 1990-09-07 | 1990-09-07 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0452663U true JPH0452663U (en) | 1992-05-06 |
| JPH0810710Y2 JPH0810710Y2 (en) | 1996-03-29 |
Family
ID=31832487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990094492U Expired - Lifetime JPH0810710Y2 (en) | 1990-09-07 | 1990-09-07 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810710Y2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188730A (en) * | 2000-12-25 | 2002-07-05 | Showa Corp | Dust lip structure of oil seal for reciprocating motion |
| JP2004278696A (en) * | 2003-03-17 | 2004-10-07 | Nok Corp | Sealing device |
| WO2005026588A1 (en) * | 2003-09-16 | 2005-03-24 | Nok Corporation | Sealing device for reciprocating shaft |
| JP2005155739A (en) * | 2003-11-25 | 2005-06-16 | Kayaba Ind Co Ltd | Seal |
| JP2005273692A (en) * | 2004-03-23 | 2005-10-06 | Nok Corp | Sealing device for reciprocation spindle |
| JP2007092969A (en) * | 2005-09-30 | 2007-04-12 | Nok Corp | Oil seal |
| WO2017030060A1 (en) * | 2015-08-20 | 2017-02-23 | Nok株式会社 | Valve stem seal and sealing structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186749U (en) * | 1981-05-21 | 1982-11-26 | ||
| JPH0240137U (en) * | 1988-09-12 | 1990-03-19 |
-
1990
- 1990-09-07 JP JP1990094492U patent/JPH0810710Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186749U (en) * | 1981-05-21 | 1982-11-26 | ||
| JPH0240137U (en) * | 1988-09-12 | 1990-03-19 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188730A (en) * | 2000-12-25 | 2002-07-05 | Showa Corp | Dust lip structure of oil seal for reciprocating motion |
| JP2004278696A (en) * | 2003-03-17 | 2004-10-07 | Nok Corp | Sealing device |
| WO2005026588A1 (en) * | 2003-09-16 | 2005-03-24 | Nok Corporation | Sealing device for reciprocating shaft |
| JP2005155739A (en) * | 2003-11-25 | 2005-06-16 | Kayaba Ind Co Ltd | Seal |
| JP2005273692A (en) * | 2004-03-23 | 2005-10-06 | Nok Corp | Sealing device for reciprocation spindle |
| JP4639619B2 (en) * | 2004-03-23 | 2011-02-23 | Ｎｏｋ株式会社 | Sealing device for reciprocating shaft |
| JP2007092969A (en) * | 2005-09-30 | 2007-04-12 | Nok Corp | Oil seal |
| JP4735825B2 (en) * | 2005-09-30 | 2011-07-27 | Ｎｏｋ株式会社 | Oil seal |
| WO2017030060A1 (en) * | 2015-08-20 | 2017-02-23 | Nok株式会社 | Valve stem seal and sealing structure |
| JPWO2017030060A1 (en) * | 2015-08-20 | 2018-06-14 | Nok株式会社 | Valve stem seal and sealing structure |
| US10767519B2 (en) | 2015-08-20 | 2020-09-08 | Nok Corporation | Valve stem seal and hermetic sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810710Y2 (en) | 1996-03-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |