JPH0253570U - - Google Patents
Info
- Publication number
- JPH0253570U JPH0253570U JP1988131826U JP13182688U JPH0253570U JP H0253570 U JPH0253570 U JP H0253570U JP 1988131826 U JP1988131826 U JP 1988131826U JP 13182688 U JP13182688 U JP 13182688U JP H0253570 U JPH0253570 U JP H0253570U
- Authority
- JP
- Japan
- Prior art keywords
- elastic ring
- radially outward
- bearing portion
- sealing device
- piston
- 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
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案に係る密封装置の一実施例を示
す半断面図、第２図および第３図はそれぞれの他
の実施例を示す部分断面図、第４図は従来の密封
装置の一例を示す半断面図である。
１……樹脂リング、２……軸受部、２ａ……密
接部、３……リツプ部、４……凸条、５……弾性
リング、６……他の弾性リング、７……ピストン
、８……環状凹凸、８ａ……環状凹部、９……弾
性リング嵌着用溝、１０……シリンダ、１１……
油溜りとなる部分。
Fig. 1 is a half sectional view showing one embodiment of the sealing device according to the present invention, Figs. 2 and 3 are partial sectional views showing other embodiments, and Fig. 4 is an example of a conventional sealing device. FIG. DESCRIPTION OF SYMBOLS 1... Resin ring, 2... Bearing part, 2a... Close contact part, 3... Lip part, 4... Convex strip, 5... Elastic ring, 6... Other elastic ring, 7... Piston, 8 ... Annular unevenness, 8a ... Annular recess, 9 ... Elastic ring fitting groove, 10 ... Cylinder, 11 ...
The part that becomes an oil reservoir.
Claims (1)
数条の環状凹凸８と圧着係合する軸受部２と、該
軸受部２の一端に形成されたリツプ部３とからな
る樹脂リング１を有し、リツプ部３が弾性リング
５により径方向外側へ向けて押圧された密封装置
において、前記軸受部２の軸方向１箇所または複
数箇所を径方向外側へ向けて押圧する他の弾性リ
ング６を備えてなることを特徴とする密封装置。 ２ 前記他の弾性リング６が、ピストン７外周面
の環状凹部８ａと係合する軸受部２内周面の凸条
４を径方向外側へ向けて押圧していることを特徴
とする請求項１に記載の密封装置。[Claims for Utility Model Registration] 1. A bearing portion 2 whose inner circumferential surface presses into engagement with a plurality of annular irregularities 8 formed on the outer circumferential surface of the piston 7, and a lip portion formed at one end of the bearing portion 2. 3, the lip portion 3 is pressed radially outward by an elastic ring 5, and one or more axial locations of the bearing portion 2 are directed radially outward. A sealing device characterized in that it is provided with another elastic ring 6 that is pressed by the user. 2. Claim 1, wherein the other elastic ring 6 presses the protrusion 4 on the inner peripheral surface of the bearing part 2, which engages with the annular recess 8a on the outer peripheral surface of the piston 7, radially outward. The sealing device described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131826U JPH0614133Y2 (en) | 1988-10-11 | 1988-10-11 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131826U JPH0614133Y2 (en) | 1988-10-11 | 1988-10-11 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0253570U true JPH0253570U (en) | 1990-04-18 |
| JPH0614133Y2 JPH0614133Y2 (en) | 1994-04-13 |
Family
ID=31388247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988131826U Expired - Lifetime JPH0614133Y2 (en) | 1988-10-11 | 1988-10-11 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614133Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039382A (en) * | 2000-07-26 | 2002-02-06 | Masahiro Furusawa | Piston cylinder device |
| JP2002295678A (en) * | 2001-03-30 | 2002-10-09 | Kayaba Ind Co Ltd | Structure of piston part |
| JP2013174360A (en) * | 2013-05-27 | 2013-09-05 | Hamilton Bonaduz Ag | Radial sliding seal element for metering device and metering device having such radial sliding seal element |
| WO2018155380A1 (en) * | 2017-02-24 | 2018-08-30 | Ｋｙｂ株式会社 | Piston and damper |
-
1988
- 1988-10-11 JP JP1988131826U patent/JPH0614133Y2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039382A (en) * | 2000-07-26 | 2002-02-06 | Masahiro Furusawa | Piston cylinder device |
| JP2002295678A (en) * | 2001-03-30 | 2002-10-09 | Kayaba Ind Co Ltd | Structure of piston part |
| JP2013174360A (en) * | 2013-05-27 | 2013-09-05 | Hamilton Bonaduz Ag | Radial sliding seal element for metering device and metering device having such radial sliding seal element |
| WO2018155380A1 (en) * | 2017-02-24 | 2018-08-30 | Ｋｙｂ株式会社 | Piston and damper |
| JP2018138789A (en) * | 2017-02-24 | 2018-09-06 | Ｋｙｂ株式会社 | piston |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614133Y2 (en) | 1994-04-13 |
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