JPH0225746U - - Google Patents
Info
- Publication number
- JPH0225746U JPH0225746U JP1988103983U JP10398388U JPH0225746U JP H0225746 U JPH0225746 U JP H0225746U JP 1988103983 U JP1988103983 U JP 1988103983U JP 10398388 U JP10398388 U JP 10398388U JP H0225746 U JPH0225746 U JP H0225746U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- seal
- rod
- pressure
- annular groove
- 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
- 239000000725 suspension Substances 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 6
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/365—Special sealings, including sealings or guides for piston-rods the sealing arrangement having a pressurised chamber separated from the damping medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Description
第1図は本考案の一実施例を示す懸架装置の縦
断面図、第2図は第1図中のシールリングの断面
と圧力の関係を示す図、第3図は第2図中の―
線に沿う断面と圧力との関係を示す図、第4図
は第1図中の低圧用シール材の断面図、第5図と
第6図はそれぞれシールリングの変形例を示すそ
れぞれ断面図、第7図はシールリングの摺接幅と
摺動抵抗の関係を示す図、第8図はシールリング
の肉厚と摺動抵抗の関係を示す図、第9図ないし
第11図はそれぞれ従来のシール構造を示す断面
図である。 1…気液圧式懸架装置、2…シリンダ、3…ロ
ツド、11…気室、12a,12b…液室、17
…シール手段、41…高圧シール部、42…低圧
シール部、44…シールリング、45…Oリング
、46…シールハウジング部、47…環状溝、5
0…切欠き部、55…低圧用シール材、70…ド
レン回収用流通部。
断面図、第2図は第1図中のシールリングの断面
と圧力の関係を示す図、第3図は第2図中の―
線に沿う断面と圧力との関係を示す図、第4図
は第1図中の低圧用シール材の断面図、第5図と
第6図はそれぞれシールリングの変形例を示すそ
れぞれ断面図、第7図はシールリングの摺接幅と
摺動抵抗の関係を示す図、第8図はシールリング
の肉厚と摺動抵抗の関係を示す図、第9図ないし
第11図はそれぞれ従来のシール構造を示す断面
図である。 1…気液圧式懸架装置、2…シリンダ、3…ロ
ツド、11…気室、12a,12b…液室、17
…シール手段、41…高圧シール部、42…低圧
シール部、44…シールリング、45…Oリング
、46…シールハウジング部、47…環状溝、5
0…切欠き部、55…低圧用シール材、70…ド
レン回収用流通部。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 内部に作動液が満たされる液室を備えたシ
リンダと、このシリンダの軸方向に移動自在に挿
入され一端側が上記シリンダ内に位置し他端側が
シリンダ外に位置するロツドと、上記ロツドが挿
通するシリンダの開口端付近に設けられてシリン
ダの内部と外部をシールするシール手段とを備え
た車両用懸架装置のシール構造において、 上記シール手段は、上記シリンダの開口端付近
の内周側に形成された周方向に沿う環状溝と、こ
の環状溝に収容され内周面高圧側に周方向に連続
する切欠き部を有し内周面低圧側がロツドの周面
と接するようにした断面L状のシールリングと、
上記環状溝内における上記シールリングの外周側
に密接させられることによりシールリングを上記
ロツドに押圧するとともに上記環状溝の溝壁とシ
ールリングとの間をシールするOリングとを備え
て構成されることを特徴とする車両用懸架装置の
シール構造。 (2) 上記環状溝とシールリングとOリングとか
らなる高圧シール部よりも低圧側に、上記ロツド
の周面に密接する低圧用シール材を備えた低圧シ
ール部を設けるとともに、これら高圧シール部と
低圧シール部との間をドレン回収用流通部を介し
て液圧ユニツトのタンクに連通させた請求項1記
載の車両用懸架装置のシール構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988103983U JPH0225746U (ja) | 1988-08-05 | 1988-08-05 | |
US07/386,567 US4995485A (en) | 1988-08-05 | 1989-07-27 | Sealing structure of an accumulator |
EP89114167A EP0353703B1 (en) | 1988-08-05 | 1989-08-01 | Sealing structure of an accumulator |
DE8989114167T DE68904497T2 (de) | 1988-08-05 | 1989-08-01 | Dichtungsstruktur fuer einen akkumulator. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988103983U JPH0225746U (ja) | 1988-08-05 | 1988-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0225746U true JPH0225746U (ja) | 1990-02-20 |
Family
ID=14368549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988103983U Pending JPH0225746U (ja) | 1988-08-05 | 1988-08-05 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4995485A (ja) |
EP (1) | EP0353703B1 (ja) |
JP (1) | JPH0225746U (ja) |
DE (1) | DE68904497T2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0538431U (ja) * | 1991-10-23 | 1993-05-25 | カヤバ工業株式会社 | シリンダ装置の軸封構造 |
JP2005155739A (ja) * | 2003-11-25 | 2005-06-16 | Kayaba Ind Co Ltd | シール |
JP2010223349A (ja) * | 2009-03-24 | 2010-10-07 | Kayaba Ind Co Ltd | 緩衝装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5107970A (en) * | 1991-04-17 | 1992-04-28 | Monroe Auto Equipment Company | High pressure sealing system and method |
CA2083552C (en) * | 1992-04-09 | 2003-02-11 | Jonathan P. Cotter | Gas spring |
JP2001020987A (ja) * | 1999-07-08 | 2001-01-23 | Nhk Spring Co Ltd | ガススプリング |
EP2290267B1 (en) | 2001-06-04 | 2018-04-11 | NOK Corporation | Sealing device |
US7013923B2 (en) * | 2003-08-06 | 2006-03-21 | Advics Co., Ltd. | Metal bellows hydraulic accumulator |
US20060219506A1 (en) * | 2005-03-31 | 2006-10-05 | Zdeb David T | Shock absorber including supplemental friction generating device |
US7703587B2 (en) * | 2007-01-30 | 2010-04-27 | Zf Friedrichshafen Ag | Rod guide for monotube shock absorbers |
EP2827029B1 (en) | 2012-03-12 | 2018-05-09 | Nok Corporation | Sealing device and sealing structure |
JP2017180534A (ja) * | 2016-03-28 | 2017-10-05 | イーグル工業株式会社 | リップシール及び密封構造 |
DE102019104714A1 (de) * | 2019-02-25 | 2020-08-27 | Vibracoustic Ag | Luftfedermodul |
CN110360260B (zh) | 2019-06-20 | 2021-08-31 | 中车青岛四方机车车辆股份有限公司 | 一种主动控制抗蛇形减振器及减振***、车辆 |
FR3121490B1 (fr) * | 2021-03-31 | 2023-02-24 | Renault Sas | Amortisseur hydraulique de suspension de vehicule automobile a fonction de verin pneumatique |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2182034A (en) * | 1936-12-22 | 1939-12-05 | Oberstadt Peter Bopp | Shock absorber |
US2660458A (en) * | 1949-02-15 | 1953-11-24 | Lawrence B Collins | Shaft or rod packing |
FR1098669A (fr) * | 1954-01-23 | 1955-08-17 | Perfectionnements aux joints pour amortisseurs télescopiques ou analogues | |
US3323806A (en) * | 1962-12-14 | 1967-06-06 | H W Loud Machine Works Inc | Fluid seal |
US3195421A (en) * | 1963-02-04 | 1965-07-20 | Houdaille Industries Inc | Rotary hydraulic actuator and sealing means therefor |
FR1520440A (fr) * | 1966-12-20 | 1968-04-12 | Renault | Dispositif pour maintenir à hauteur constante, à l'arrêt, un véhicule automobileéquipé d'une suspension oléopneumatique |
US3592164A (en) * | 1969-04-01 | 1971-07-13 | Gen Motors Corp | Shock absorber piston rod seal assembly with belleville washer |
US3621952A (en) * | 1969-11-05 | 1971-11-23 | Gen Motors Corp | Spring loaded piston rod seal |
GB1448864A (en) * | 1973-03-21 | 1976-09-08 | Automotive Prod Co Ltd | Vehicle suspension struts |
US3942806A (en) * | 1973-05-17 | 1976-03-09 | Firma Busak & Luyken Kg, | Sealing ring structure |
FR2238389A5 (en) * | 1973-07-19 | 1975-02-14 | Chromex Sa | Plastic end piece for hydraulic shock absorber - has sealing rings and scraper lip running against central shaft |
JPS5154170A (ja) * | 1974-11-07 | 1976-05-13 | Showa Mfg | |
GB1581971A (en) * | 1977-02-22 | 1980-12-31 | Honda Motor Co Ltd | Shock absorbers |
DE2928296A1 (de) * | 1979-07-13 | 1981-01-29 | Hermann Bansbach | Vorrichtung zum dichten eines spaltes zwischen einem zylinderkoerper und einem ringkoerper |
DE2938722A1 (de) * | 1979-09-25 | 1981-05-07 | August Bilstein GmbH & Co KG, 5828 Ennepetal | Hydropneumatischer schwingungsdaempfer, insbesondere fuer kraftfahrzeug-vorderachsbeine |
JPS56102847U (ja) * | 1980-01-08 | 1981-08-12 | ||
DE3103039A1 (de) * | 1981-01-30 | 1982-08-26 | August Bilstein GmbH & Co KG, 5828 Ennepetal | Hydropneumatischer zweirohr-schwingungsdaempfer, insbesondere als vorderachsbein fuer kraftfahrzeuge |
DE3210518C2 (de) * | 1982-03-23 | 1986-01-02 | August Bilstein GmbH & Co KG, 5828 Ennepetal | Hydropneumatischer Zweirohr-Schwingungsdämpfer, insbesondere als Vorderachsbein für Kraftfahrzeuge |
DE3225906C2 (de) * | 1982-07-10 | 1984-04-26 | Busak + Luyken GmbH & Co, 7000 Stuttgart | Dichtung für hydraulische Kolben oder Kolbenstangen |
DE3414821C2 (de) * | 1983-05-05 | 1986-01-23 | Boge Gmbh, 5208 Eitorf | Dichtungsanordnung |
GB2149055B (en) * | 1983-09-26 | 1987-11-04 | Nhk Spring Co Ltd | Vehicle suspension unit with damping & spring rate adjustable |
US4735402A (en) * | 1983-11-09 | 1988-04-05 | Liquid Spring Investors, Ltd. | Fluid suspension spring and dampener for vehicle suspension system |
CA1239659A (en) * | 1983-11-09 | 1988-07-26 | Leo W. Davis | Fluid suspension spring and dampener for a vehicle suspension system |
GB2186050B (en) * | 1986-01-30 | 1989-10-25 | Nhk Spring Co Ltd | Car suspension system |
US4813519A (en) * | 1986-06-23 | 1989-03-21 | Nhk Spring Co., Ltd. | Cylinder piston apparatus for a suspension system |
US4746106A (en) * | 1986-08-15 | 1988-05-24 | Nhk Spring Co., Ltd. | Car suspension system |
JPH0820894B2 (ja) * | 1987-07-01 | 1996-03-04 | 株式会社日立製作所 | 産業用ロボツトの動作制御方法 |
JPS6436765A (en) * | 1987-07-31 | 1989-02-07 | Matsushita Electric Ind Co Ltd | In-line type sputtering device |
-
1988
- 1988-08-05 JP JP1988103983U patent/JPH0225746U/ja active Pending
-
1989
- 1989-07-27 US US07/386,567 patent/US4995485A/en not_active Expired - Fee Related
- 1989-08-01 DE DE8989114167T patent/DE68904497T2/de not_active Expired - Fee Related
- 1989-08-01 EP EP89114167A patent/EP0353703B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0538431U (ja) * | 1991-10-23 | 1993-05-25 | カヤバ工業株式会社 | シリンダ装置の軸封構造 |
JP2005155739A (ja) * | 2003-11-25 | 2005-06-16 | Kayaba Ind Co Ltd | シール |
JP2010223349A (ja) * | 2009-03-24 | 2010-10-07 | Kayaba Ind Co Ltd | 緩衝装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0353703A2 (en) | 1990-02-07 |
DE68904497T2 (de) | 1993-06-03 |
EP0353703A3 (en) | 1990-09-05 |
EP0353703B1 (en) | 1993-01-20 |
US4995485A (en) | 1991-02-26 |
DE68904497D1 (de) | 1993-03-04 |