JPH0276267U - - Google Patents
Info
- Publication number
- JPH0276267U JPH0276267U JP1988156230U JP15623088U JPH0276267U JP H0276267 U JPH0276267 U JP H0276267U JP 1988156230 U JP1988156230 U JP 1988156230U JP 15623088 U JP15623088 U JP 15623088U JP H0276267 U JPH0276267 U JP H0276267U
- Authority
- JP
- Japan
- Prior art keywords
- seal lip
- seal
- shaft
- applying means
- tensioning force
- 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
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例に係るオイルシール
のシールリツプの一部を断面にして示した部分斜
視図、第２図は第１図のシールリツプを備えたオ
イルシールの一例を示す要部縦断面図、第３図は
本考案の他の実施例に係るオイルシールのシール
リツプの部分断面斜視図、第４図は第３図のチユ
ーブの規制リングの斜視図、第５図は第４図の規
制リングの部分拡大断面図、第６図は従来のオイ
ルシールのシールリツプの一部を断面にして示し
た部分斜視図である。
符号の説明、１……オイルシール、３……ハウ
ジング、４……シールリツプ、５……リツプ先端
部、６……軸、７……溝、８……チユーブ（緊迫
力付与手段）、９……圧力供給口、１０……圧力
制御手段、１１……規制リング。
FIG. 1 is a partial perspective view showing a part of a seal lip of an oil seal according to an embodiment of the present invention in cross section, and FIG. 3 is a partial cross-sectional perspective view of the seal lip of an oil seal according to another embodiment of the present invention, FIG. 4 is a perspective view of the regulating ring of the tube shown in FIG. 3, and FIG. FIG. 6 is a partially enlarged cross-sectional view of the regulating ring, and is a partial perspective view showing a part of the seal lip of a conventional oil seal in cross section. Explanation of symbols, 1... Oil seal, 3... Housing, 4... Seal lip, 5... Lip tip, 6... Shaft, 7... Groove, 8... Tube (tension force applying means), 9... ...Pressure supply port, 10...Pressure control means, 11...Restriction ring.
Claims (1)
プを備え、該シールリツプに装着されてシールリ
ツプと軸間に緊迫力を付与する緊迫力付与手段を
備えたオイルシールにおいて、 前記緊迫力付与手段を、シールリツプ外周に装
着される環状に成形された内部中空の可撓性のチ
ユーブにより構成し、該チユーブ内の流体圧を変
化させることによりシールリツプの緊迫力を可変
とする圧力制御手段を設けて成ることを特徴とす
るオイルシール。[Claims for Utility Model Registration] An oil seal comprising a seal lip that is in slidable and sealing contact with the surface of a shaft, and a tension applying means attached to the seal lip to apply tension between the seal lip and the shaft, The tensioning force applying means is constituted by an annularly formed, hollow, flexible tube attached to the outer periphery of the seal lip, and the tensioning force of the seal lip is made variable by changing the fluid pressure within the tube. An oil seal characterized by comprising a control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988156230U JPH067218Y2 (en) | 1988-11-30 | 1988-11-30 | Oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988156230U JPH067218Y2 (en) | 1988-11-30 | 1988-11-30 | Oil seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0276267U true JPH0276267U (en) | 1990-06-12 |
| JPH067218Y2 JPH067218Y2 (en) | 1994-02-23 |
Family
ID=31434585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988156230U Expired - Lifetime JPH067218Y2 (en) | 1988-11-30 | 1988-11-30 | Oil seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067218Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05180348A (en) * | 1991-06-18 | 1993-07-20 | Klueber Lubrication Muenchen Kg | Sealing device |
| WO2012081630A1 (en) | 2010-12-16 | 2012-06-21 | バルチラジャパン株式会社 | Lip seal |
| WO2012098989A1 (en) | 2011-01-21 | 2012-07-26 | バルチラジャパン株式会社 | Seal device |
-
1988
- 1988-11-30 JP JP1988156230U patent/JPH067218Y2/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05180348A (en) * | 1991-06-18 | 1993-07-20 | Klueber Lubrication Muenchen Kg | Sealing device |
| WO2012081630A1 (en) | 2010-12-16 | 2012-06-21 | バルチラジャパン株式会社 | Lip seal |
| JP2012127447A (en) * | 2010-12-16 | 2012-07-05 | Wartsila Japan Ltd | Lip seal |
| KR20130141574A (en) | 2010-12-16 | 2013-12-26 | 바르질라 재팬 가부시키가이샤 | Lip seal |
| US9599227B2 (en) | 2010-12-16 | 2017-03-21 | Wartsila Japan Ltd. | Lip seal |
| WO2012098989A1 (en) | 2011-01-21 | 2012-07-26 | バルチラジャパン株式会社 | Seal device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067218Y2 (en) | 1994-02-23 |