JPS63104746U - - Google Patents
Info
- Publication number
- JPS63104746U JPS63104746U JP20351186U JP20351186U JPS63104746U JP S63104746 U JPS63104746 U JP S63104746U JP 20351186 U JP20351186 U JP 20351186U JP 20351186 U JP20351186 U JP 20351186U JP S63104746 U JPS63104746 U JP S63104746U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- ports
- attachment
- flange
- end surface
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図ないし第４図はこの考案の実施例を示し
、第１図は要部縦断面図、第２図はピストン・ア
タツチメントの端面図、第３図は同じく斜視図、
第４図は３種類のオリフイスに対応する減衰力特
性図である。第５図は第１図に相当する従来の油
圧緩衝器の縦断面図を示す。
１……シリンダー外筒、２……シリンダー内筒
、４……ピストン、５……ピストン・ロツド、９
……ピストン・ポート、１３……リーフ・バルブ
、２１……ピストン・アタツチメント、２１ｂ…
…フランジ、２２……第１オリフイス、２３……
第２オリフイス、２４……第３オリフイス。
Figures 1 to 4 show an embodiment of this invention, with Figure 1 being a vertical sectional view of the main parts, Figure 2 being an end view of the piston attachment, and Figure 3 being a perspective view.
FIG. 4 is a damping force characteristic diagram corresponding to three types of orifices. FIG. 5 shows a longitudinal sectional view of a conventional hydraulic shock absorber corresponding to FIG. 1. 1...Cylinder outer cylinder, 2...Cylinder inner cylinder, 4...Piston, 5...Piston rod, 9
...Piston port, 13...Leaf valve, 21...Piston attachment, 21b...
...Flange, 22...First orifice, 23...
2nd orifice, 24...3rd orifice.
Claims (1)
よつて締め付け固定され、オイルを収容したシリ
ンダー内に油密にかつ摺動可能に挿入されたピス
トンと、前記ピストンの円周上の位置で軸方向に
貫設された複数のピストン・ポートと、前記ピス
トン・ポートの下部開口において前記ピストン・
ポート側の油圧により下方にのみ開くように設け
られたリーフ・バルブとを有する油圧緩衝器であ
つて、 前記ピストンの下部端面と前記リーフ・バルブ
との間に変形しにくい材質で作られたピストン・
アタツチメントが取り付けられ、前記ピストン・
アタツチメントは前記ピストン端面に当接された
フランジを有し、前記フランジには穴径の異なる
少なくとも２種類のオリフイスが各種類毎に前記
ピストン・ポートに対応する位置に設けられたこ
とを特徴とする油圧緩衝器。[Claims for Utility Model Registration] A piston that is tightened and fixed to the lower end of a piston rod by a piston nut and is slidably and oil-tightly inserted into a cylinder containing oil, and the circumference of the piston. a plurality of piston ports extending axially through the piston ports at upper positions;
A hydraulic shock absorber having a leaf valve provided to open only downward by hydraulic pressure on the port side, the piston being made of a material that is difficult to deform between the lower end surface of the piston and the leaf valve.・
The attachment is attached and the piston
The attachment has a flange that abuts the end surface of the piston, and the flange is provided with at least two types of orifices having different hole diameters at positions corresponding to the piston ports for each type. Hydraulic buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20351186U JPH056429Y2 (en) | 1986-12-25 | 1986-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20351186U JPH056429Y2 (en) | 1986-12-25 | 1986-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63104746U true JPS63104746U (en) | 1988-07-07 |
| JPH056429Y2 JPH056429Y2 (en) | 1993-02-18 |
Family
ID=31168912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20351186U Expired - Lifetime JPH056429Y2 (en) | 1986-12-25 | 1986-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH056429Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013190960A1 (en) * | 2012-06-21 | 2013-12-27 | Smc株式会社 | Bi-directional shock absorbing device |
-
1986
- 1986-12-25 JP JP20351186U patent/JPH056429Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013190960A1 (en) * | 2012-06-21 | 2013-12-27 | Smc株式会社 | Bi-directional shock absorbing device |
| TWI512213B (en) * | 2012-06-21 | 2015-12-11 | Smc Corp | Bidirectional shock absorber |
| US9677639B2 (en) | 2012-06-21 | 2017-06-13 | Smc Corporation | Bi-directional shock absorbing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH056429Y2 (en) | 1993-02-18 |
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