JPS591950U - Temperature compensated fluid type shock absorber - Google Patents
Temperature compensated fluid type shock absorberInfo
- Publication number
- JPS591950U JPS591950U JP9681082U JP9681082U JPS591950U JP S591950 U JPS591950 U JP S591950U JP 9681082 U JP9681082 U JP 9681082U JP 9681082 U JP9681082 U JP 9681082U JP S591950 U JPS591950 U JP S591950U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- temperature
- valve element
- shock absorber
- sealed chamber
- 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
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はツインチューブ式のショックアブソーバとして
構成された本考案による温度補償型流体式ショックアブ
ソーバの一つの実施例を示す部分縦断面図、第２図は第
１図に示された実施例に於けるスプール弁をその閉弁位
置にて示す部分図、第３図は第１図に示された実施例の
ピストンの移動速度と伸び行程及び縮み行程に於ける減
衰力との関係を示すグラフである。
１・・・ベースシェル、２・・・ロアキャップ、３・・
・軸線、４・・・プレッシャチューブ、５・・・ロアキ
ャップ、６・・・リザーバ室、７・・・ピストンリング
、８・・・シリンダ壁、９・・・ピストン、１０・・・
オイル、１１・・・ピストン上室、１２・・・ピストン
下室、１３・・・ピスト ′ンロツド、１４・・・絞
り通路、１５・・・逆止弁、１６・・・環状ポート、１
７・・・弁要素、１８．１９・・・圧縮コイルばね、２
０−０ツクナツト、２１・・・弁座、２２・・・カラー
、２３・・・オリフィス、２４・・・ボア、２５・・・
通路、２６・・・絞り通路、２７・・・スプール弁、２
８・・・ポート、２９・・・弁要素、３０・・・スリー
ブ、３１・・・圧縮コイルばね、３２・・・底壁、３３
・・・圧縮コイルばね、３４・・・通路、３５・・・逆
止弁、３６・・・環状ポート、３７・・・弁要素、３８
・・・ばね座板、３９・・・圧縮コイルばね、４０・・
・逆止弁組立体、４１・・・弁室、４２・・・連通孔、
４３・・・空気、４４．４５・・・弁座要素、４６・・
・絞り通路、４７・・・通路、４８・・・逆止弁、４９
・・・ポート、５０・・・弁要素、５１．５２・・・圧
縮コイルばね、５３・・・ガイドロッド、５４・・・弁
座、５５・・・溝、５５Ａ・・・オリフィス、５６・・
・逆止弁、５７・・・環状ポート、５８・・・弁要素、
５９・・・ばね座、６０・・・圧縮コイルばね。FIG. 1 is a partial vertical cross-sectional view showing one embodiment of the temperature-compensated fluid shock absorber according to the present invention configured as a twin-tube type shock absorber, and FIG. 2 shows the embodiment shown in FIG. 1. FIG. 3 is a graph showing the relationship between the moving speed of the piston and the damping force in the extension stroke and contraction stroke of the embodiment shown in FIG. 1. It is. 1...Base shell, 2...Lower cap, 3...
・Axis line, 4...Pressure tube, 5...Lower cap, 6...Reservoir chamber, 7...Piston ring, 8...Cylinder wall, 9...Piston, 10...
Oil, 11... Piston upper chamber, 12... Piston lower chamber, 13... Piston rod, 14... Throttle passage, 15... Check valve, 16... Annular port, 1
7...Valve element, 18.19...Compression coil spring, 2
0-0 nut, 21... Valve seat, 22... Collar, 23... Orifice, 24... Bore, 25...
Passage, 26... Throttle passage, 27... Spool valve, 2
8... Port, 29... Valve element, 30... Sleeve, 31... Compression coil spring, 32... Bottom wall, 33
... Compression coil spring, 34 ... Passage, 35 ... Check valve, 36 ... Annular port, 37 ... Valve element, 38
...Spring seat plate, 39...Compression coil spring, 40...
・Check valve assembly, 41...valve chamber, 42...communication hole,
43...Air, 44.45...Valve seat element, 46...
- Throttle passage, 47... Passage, 48... Check valve, 49
... Port, 50 ... Valve element, 51.52 ... Compression coil spring, 53 ... Guide rod, 54 ... Valve seat, 55 ... Groove, 55A ... Orifice, 56 ...・
- Check valve, 57... annular port, 58... valve element,
59... Spring seat, 60... Compression coil spring.
Claims (1)
する第−及び第二の密閉室と、前記第一の密閉室と前記
第二の密閉室とを連通接続する第一、第二、及び第三の
絞り通路と、前記第一の密閉室より前記第一の絞り通路
を経て前記第二の密閉室へ向かう前記作動流体の流れの
みを許す逆止弁と、前記第二の絞り通路を選択的に開閉
する開閉弁とを有し、前記逆止弁は弁要素と、前記弁要
素を閉弁位置へ付勢するばねであって形状記憶合金にて
構成され第一の所定温度以上のときには該第−の所定温
度以下の場合に比して前記弁要素を閉弁位置へ付勢する
力を増大するよう構成されたばねとを有しており、前記
開閉弁は前記第二の絞り通路の連通を遮断する閉弁位置
と前記第二の絞り通路の連通を許す開弁位置との間にて
移動可能に設けられた弁要素と、形状記憶合金にて構成
され第二の所定温度以下のときには前記開閉弁の前記弁
要素を前記開弁位置へ駆動し前記第二の所定温度以上の
ときには前記開閉弁の前記弁要素を前記閉弁位置へ駆動
する感温駆動要素とを有する温度補償型流体式ショック
アブソーバ。first and second sealed chambers separated by partition means and each storing a working fluid therein; first, second and third sealed chambers communicating and connecting said first sealed chamber and said second sealed chamber; a check valve that only allows the working fluid to flow from the first sealed chamber to the second sealed chamber via the first throttle passage; The check valve has a valve element and a spring that biases the valve element to a closed position, and is made of a shape memory alloy, and when the temperature is higher than or equal to a first predetermined temperature, the check valve is made of a shape memory alloy. a spring configured to increase the force urging the valve element toward the valve-closing position compared to when the temperature is below a second predetermined temperature; a valve element configured to be movable between a closed position where the valve is shut off and a valve open position where the second throttle passage is allowed to communicate; and a temperature-sensitive driving element that drives the valve element of the on-off valve to the valve-open position and drives the valve element of the on-off valve to the closed position when the temperature is equal to or higher than the second predetermined temperature. type shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9681082U JPS591950U (en) | 1982-06-28 | 1982-06-28 | Temperature compensated fluid type shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9681082U JPS591950U (en) | 1982-06-28 | 1982-06-28 | Temperature compensated fluid type shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS591950U true JPS591950U (en) | 1984-01-07 |
Family
ID=30230551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9681082U Pending JPS591950U (en) | 1982-06-28 | 1982-06-28 | Temperature compensated fluid type shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228861A (en) * | 2008-03-25 | 2009-10-08 | Kayaba Ind Co Ltd | Shock absorber |
| JP2009268517A (en) * | 2008-04-30 | 2009-11-19 | Oiles Ind Co Ltd | Damper and vehicle seat equipped with the damper |
-
1982
- 1982-06-28 JP JP9681082U patent/JPS591950U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228861A (en) * | 2008-03-25 | 2009-10-08 | Kayaba Ind Co Ltd | Shock absorber |
| JP2009268517A (en) * | 2008-04-30 | 2009-11-19 | Oiles Ind Co Ltd | Damper and vehicle seat equipped with the damper |
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