JPH0178744U - - Google Patents
Info
- Publication number
- JPH0178744U JPH0178744U JP1987175191U JP17519187U JPH0178744U JP H0178744 U JPH0178744 U JP H0178744U JP 1987175191 U JP1987175191 U JP 1987175191U JP 17519187 U JP17519187 U JP 17519187U JP H0178744 U JPH0178744 U JP H0178744U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- piston rod
- shock absorber
- rod guide
- hydraulic shock
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
Description
第１図は本考案にかかる油圧緩衝器を示す断面
図、第２図は同緩衝器の要部拡大断面図、第３図
は本考案にかかる油圧緩衝器の他の例を示す要部
断面図、第４図は従来の油圧緩衝器の要部断面図
である。
尚、図面中、１は油圧緩衝器、２はアウタチユ
ーブ、３はインナチユーブ、４はピストンロツド
、６はピストン、８はロツドガイド、９はブツシ
ユ、１０はオイルケース、１１はオイルシール、
１２はルーブリケータ、１３はコンスタントオリ
フイス、１４は戻し油路、１５は一方向弁、Ｓ１
は上部油室、ＳＲはリザーバ室である。
Fig. 1 is a cross-sectional view showing a hydraulic shock absorber according to the present invention, Fig. 2 is an enlarged cross-sectional view of a main part of the same shock absorber, and Fig. 3 is a cross-sectional view of a main part showing another example of a hydraulic shock absorber according to the present invention. 4 are sectional views of essential parts of a conventional hydraulic shock absorber. In the drawings, 1 is a hydraulic shock absorber, 2 is an outer tube, 3 is an inner tube, 4 is a piston rod, 6 is a piston, 8 is a rod guide, 9 is a bush, 10 is an oil case, 11 is an oil seal,
12 is a lubricator, 13 is a constant orifice, 14 is a return oil path, 15 is a one-way valve, S1
is the upper oil chamber, and SR is the reservoir chamber.
Claims (1)
面に摺接するピストンを先端部に装着したピスト
ンロツドを挿通し、アウタチユーブの上端部には
ピストンロツドを案内するロツドガイドを嵌着し
て、伸び行程で上部油室の作動油をロツドガイド
とピストンロツドとの間の隙間からロツドガイド
に形成した戻し油路を通じてリザーバ室内に戻す
油圧緩衝器において、前記戻し油路内には一方向
弁を介装し、この一方向弁は可動外周端がオイル
シールケース内周面に当接していることを特徴と
する油圧緩衝器の弁構造。 A piston rod with a piston attached to its tip that slides against the inner circumferential surface of the inner tube is inserted from above the outer tube, and a rod guide that guides the piston rod is fitted to the upper end of the outer tube to drain the hydraulic oil in the upper oil chamber during the extension stroke. In a hydraulic shock absorber that returns oil from the gap between the rod guide and the piston rod into the reservoir chamber through a return oil passage formed in the rod guide, a one-way valve is interposed in the return oil passage, and the one-way valve has a movable outer peripheral end. A valve structure of a hydraulic shock absorber characterized by being in contact with the inner peripheral surface of an oil seal case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175191U JPH0178744U (en) | 1987-11-17 | 1987-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175191U JPH0178744U (en) | 1987-11-17 | 1987-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0178744U true JPH0178744U (en) | 1989-05-26 |
Family
ID=31466999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175191U Pending JPH0178744U (en) | 1987-11-17 | 1987-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0178744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012072900A (en) * | 2010-08-31 | 2012-04-12 | Tokai Rubber Ind Ltd | Fluid-filled vibration damping device |
-
1987
- 1987-11-17 JP JP1987175191U patent/JPH0178744U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012072900A (en) * | 2010-08-31 | 2012-04-12 | Tokai Rubber Ind Ltd | Fluid-filled vibration damping device |