JPS62122943U - - Google Patents
Info
- Publication number
- JPS62122943U JPS62122943U JP1023686U JP1023686U JPS62122943U JP S62122943 U JPS62122943 U JP S62122943U JP 1023686 U JP1023686 U JP 1023686U JP 1023686 U JP1023686 U JP 1023686U JP S62122943 U JPS62122943 U JP S62122943U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- damping force
- shock absorber
- hydraulic shock
- piston rod
- 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 6
- 230000035939 shock Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims 5
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の一実施例に係る油圧緩衝器を
部分的に示す縦断面図、第２図および第３図はそ
れぞれ他の実施例を第１図と同様に示す縦断面図
、第４図は従来例としての油圧緩衝器を第１図と
同様に示す縦断面図である。
１……シリンダ、２……ピストン部、３……ピ
ストンロツド、４……コントロールバルブ、６，
７……チエツク弁、８……アクチユエータ、Ａ…
…伸側室、Ｂ……圧側室、Ｌ……側路、Ｌ′……
通路。
FIG. 1 is a longitudinal sectional view partially showing a hydraulic shock absorber according to an embodiment of the present invention, and FIGS. 2 and 3 are longitudinal sectional views showing other embodiments similarly to FIG. FIG. 4 is a longitudinal sectional view of a conventional hydraulic shock absorber similar to FIG. 1. 1...Cylinder, 2...Piston part, 3...Piston rod, 4...Control valve, 6,
7... Check valve, 8... Actuator, A...
... extension side chamber, B... pressure side chamber, L... side channel, L'...
aisle.
Claims (1)
された伸側室と圧側室との連通を可とする側路を
ピストンロツド内に形成してなると共に、当該側
路中にピストン部の摺動時に発生する減衰力を調
整し得るコントロールバルブを回動可能に有して
なり、かつ、当該コントロールバルブ内には伸側
あるいは圧側のチエツク弁を配設してなることを
特徴とする油圧緩衝器の減衰力調整部。 (2) チエツク弁がコントロールバルブ内通路の
開口を閉塞するように配設されたリーフバルブと
、当該リーフバルブを附勢するスプリングとから
なる実用新案登録請求の範囲第１項記載の油圧緩
衝器の減衰力調整部。 (3) コントロールバルブが径の異なるオリフイ
スを上下二段に有してなると共に、当該各段のオ
リフイスがコントロールバルブの回動時にピスト
ンロツドの半径方向に穿設された上下二段の連通
孔に選択的に対向し得るように形成されてなる実
用新案登録請求の範囲第１項記載の油圧緩衝器の
減衰力調整部。 (4) コントロールバルブがピストンロツド内に
収装されたアクチユエータによつて回動されるよ
うに形成されてなる実用新案登録請求の範囲第１
項記載の油圧緩衝器の減衰力調整部。[Claims for Utility Model Registration] (1) A side passage is formed in the piston rod to enable communication between the expansion side chamber and the compression side chamber defined in the cylinder by the piston portion, and the side passage A rotatable control valve capable of adjusting the damping force generated when the piston part slides is rotatably provided therein, and a check valve on the expansion side or compression side is disposed within the control valve. A damping force adjustment section for a hydraulic shock absorber featuring: (2) The hydraulic shock absorber according to claim 1, which is comprised of a leaf valve arranged such that the check valve closes the opening of a passage in the control valve, and a spring that energizes the leaf valve. damping force adjustment section. (3) The control valve has orifices with different diameters in two stages, upper and lower, and the orifices in each stage are selected by the upper and lower two stages of communication holes drilled in the radial direction of the piston rod when the control valve is rotated. The damping force adjusting section of a hydraulic shock absorber according to claim 1, which is formed so as to be able to face each other. (4) Utility model registration claim 1, in which the control valve is formed to be rotated by an actuator housed in a piston rod.
The damping force adjustment part of the hydraulic shock absorber described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1023686U JPS62122943U (en) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1023686U JPS62122943U (en) | 1986-01-27 | 1986-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62122943U true JPS62122943U (en) | 1987-08-04 |
Family
ID=30796346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1023686U Pending JPS62122943U (en) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62122943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330639U (en) * | 1986-08-13 | 1988-02-29 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60104822A (en) * | 1983-11-14 | 1985-06-10 | Showa Mfg Co Ltd | Attenuating force regulating type buffer |
| JPS60139937A (en) * | 1983-12-28 | 1985-07-24 | Showa Mfg Co Ltd | Variable damping force damper |
-
1986
- 1986-01-27 JP JP1023686U patent/JPS62122943U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60104822A (en) * | 1983-11-14 | 1985-06-10 | Showa Mfg Co Ltd | Attenuating force regulating type buffer |
| JPS60139937A (en) * | 1983-12-28 | 1985-07-24 | Showa Mfg Co Ltd | Variable damping force damper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330639U (en) * | 1986-08-13 | 1988-02-29 |
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