JPH03110233U - - Google Patents
Info
- Publication number
- JPH03110233U JPH03110233U JP2000590U JP2000590U JPH03110233U JP H03110233 U JPH03110233 U JP H03110233U JP 2000590 U JP2000590 U JP 2000590U JP 2000590 U JP2000590 U JP 2000590U JP H03110233 U JPH03110233 U JP H03110233U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- insertion hole
- cover
- guide
- rod insertion
- 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
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第1図は本考案一実施例のロツドガイド部シー
ル構造を適用した液圧緩衝器の要部を示す断面図
、第2図は第1図部分の拡大断面図、第3図は
カバーの底面図、第4図は従来のロツドガイド部
シール構造の要部を示す断面図、第5図は従来構
造の作用説明図で、第5図イは伸側行程時を示し
、第5図ロは伸側行程から圧側行程にストローク
方向が切り替わつた時点を示す。
1……シリンダチユーブ、2……ロツドガイド
、2a……ロツド挿通穴、3……オイルシール、
6……ピストンロツド、9……ガイドブツシユ、
10……シールリング、11……カバー、11b
……連通溝、11c……リブ、D……シールハウ
ジング、t……エア抜き用間隙。
Fig. 1 is a cross-sectional view showing the main parts of a hydraulic shock absorber to which the rod guide seal structure of an embodiment of the present invention is applied, Fig. 2 is an enlarged sectional view of the portion shown in Fig. 1, and Fig. 3 is a bottom view of the cover. , Fig. 4 is a sectional view showing the main parts of the conventional rod guide seal structure, Fig. 5 is an explanatory diagram of the operation of the conventional structure, Fig. 5 A shows the extension side stroke, and Fig. 5 B shows the extension side stroke. This shows the point in time when the stroke direction switches from stroke to compression stroke. 1... Cylinder tube, 2... Rod guide, 2a... Rod insertion hole, 3... Oil seal,
6...Piston rod, 9...Guide bush,
10... Seal ring, 11... Cover, 11b
...Communication groove, 11c...Rib, D...Seal housing, t...Air vent gap.
Claims (1)
央部にロツド挿通穴を有したロツドガイドと、 前記ロツド挿通穴内に設けられ、ピストンロツ
ドを微小間隙をもつて摺動案内するガイドブツシ
ユと、 前記ロツドガイドの上端面側に形成されたシー
ルハウジングと、 前記ロツド挿通穴に配置された状態でピストン
ロツド外周に装着され、ロツド挿通穴内周との間
にエア抜き用間隙を有する外径に形成されると共
に、ガイドブツシユの下端面に密着可能に形成さ
れたシールリングと、 該シールリングを、軸方向への移動を僅かに許
容しつつロツド挿通穴内からの抜けを防止すべく
ロツドガイドの下端面を覆つて設けられ、シール
リングの下端面との接触面に、前記エア抜き用間
隙とシリンダチユーブ内とを常時連通する連通溝
が形成されたカバーと、 を備えていることを特徴とする液圧緩衝器のロツ
ドガイド部シール構造。 2 前記連通溝が、カバーの下面側にリブを突出
させて形成され、 該リブが、カバーの内周端からロツド挿通穴端
縁よりも外側位置まで形成されていることを特徴
とする請求項1記載の液圧緩衝器のロツドガイド
部シール構造。[Claims for Utility Model Registration] 1. A rod guide provided at the open end of the cylinder tube and having a rod insertion hole in the center; and a rod guide provided in the rod insertion hole for slidingly guiding the piston rod with a small gap. A guide bushing, a seal housing formed on the upper end surface side of the rod guide, and an outer diameter that is attached to the outer periphery of the piston rod while being disposed in the rod insertion hole, and has an air release gap between it and the inner periphery of the rod insertion hole. A seal ring is formed so as to be able to tightly fit onto the lower end surface of the guide bush; a cover provided to cover the seal ring and having a communication groove formed in the contact surface with the lower end surface of the seal ring to constantly communicate the air vent gap and the inside of the cylinder tube; Seal structure of rod guide part of pressure buffer. 2. The communication groove is formed with a rib protruding from the lower surface of the cover, and the rib is formed from the inner peripheral end of the cover to a position outside the edge of the rod insertion hole. The rod guide portion seal structure of the hydraulic shock absorber according to 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000590U JPH03110233U (en) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000590U JPH03110233U (en) | 1990-02-28 | 1990-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03110233U true JPH03110233U (en) | 1991-11-12 |
Family
ID=31523101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000590U Pending JPH03110233U (en) | 1990-02-28 | 1990-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03110233U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101337584B1 (en) * | 2011-12-15 | 2013-12-06 | 주식회사 만도 | Rod guide of a shock absorber |
-
1990
- 1990-02-28 JP JP2000590U patent/JPH03110233U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101337584B1 (en) * | 2011-12-15 | 2013-12-06 | 주식회사 만도 | Rod guide of a shock absorber |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH03110233U (en) | ||
JPH0471835U (en) | ||
JPH02143538U (en) | ||
JPH0368650U (en) | ||
JPH03123984U (en) | ||
JPH0177152U (en) | ||
JPH0475250U (en) | ||
JPS6045195U (en) | Rod type hydraulic shock absorber | |
JPS631943U (en) | ||
JPH0335343U (en) | ||
JPS63121865U (en) | ||
JPS58158839U (en) | Outer bushing of hydraulic shock absorber | |
JPH0287147U (en) | ||
JPH03121247U (en) | ||
JPH0344240U (en) | ||
JPS6356338U (en) | ||
JPH0312032U (en) | ||
JPH0267134U (en) | ||
JPH03117144U (en) | ||
JPS6244150U (en) | ||
JPH03104541U (en) | ||
JPH0456954U (en) | ||
JPS58101006U (en) | Cylinder cushioning device | |
JPS59112044U (en) | Shock absorber | |
JPS6093033U (en) | hydraulic shock absorber piston |