JPH0298201U - - Google Patents
Info
- Publication number
- JPH0298201U JPH0298201U JP669489U JP669489U JPH0298201U JP H0298201 U JPH0298201 U JP H0298201U JP 669489 U JP669489 U JP 669489U JP 669489 U JP669489 U JP 669489U JP H0298201 U JPH0298201 U JP H0298201U
- Authority
- JP
- Japan
- Prior art keywords
- piston rod
- diameter portion
- spring
- narrow diameter
- hydraulic
- 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
- 230000007935 neutral effect Effects 0.000 claims description 2
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Actuator (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は従来例を示す断面図である。
１…油圧アクチユエータ、２，３…油圧室、４
…ピストンロツド、８…シリンダスリーブ、１０
，１１…反力支持部材、１４…細径部、１５，１
６…スプリングシート、１７…中立スプリング、
１８，１９，２０，２１…嵌合部。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view showing a conventional example. 1...Hydraulic actuator, 2, 3...Hydraulic chamber, 4
...Piston rod, 8...Cylinder sleeve, 10
, 11... Reaction force support member, 14... Small diameter portion, 15, 1
6...spring seat, 17...neutral spring,
18, 19, 20, 21... Fitting portion.
Claims (1)
れる油圧により軸線方向にスライド変位するピス
トンロツドと、同ピストンロツドを収容するスリ
ーブとを有する油圧アクチユエータにおいて、上
記ピストンロツドに設けられた細径部と、同細径
部に摺動自在に設けられた一対のスプリングシー
トと、上記スリーブ内周に形成された一対の反力
支持部と、上記両スプリングシートを介して上記
両反力支持部材間に設けられた中立スプリングと
を有し、上記細径部の端部外周と上記両スプリン
グシートの外端内周とには相互に対応するテーパ
状の嵌合部がそれぞれ設けられていることを特徴
とする油圧アクチユエータ。 In a hydraulic actuator having two systems of hydraulic chambers, a piston rod that slides in the axial direction by hydraulic pressure selectively supplied to the hydraulic chambers, and a sleeve that accommodates the piston rod, a narrow diameter portion provided in the piston rod is provided. , a pair of spring seats slidably provided in the same narrow diameter portion, a pair of reaction force support parts formed on the inner periphery of the sleeve, and a connection between the two reaction force support members via the spring seats. and a neutral spring provided at the spring seat, and tapered fitting portions that correspond to each other are provided on the outer periphery of the end of the narrow diameter portion and the inner periphery of the outer end of both of the spring seats. Features hydraulic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP669489U JPH0298201U (en) | 1989-01-24 | 1989-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP669489U JPH0298201U (en) | 1989-01-24 | 1989-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298201U true JPH0298201U (en) | 1990-08-06 |
Family
ID=31211075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP669489U Pending JPH0298201U (en) | 1989-01-24 | 1989-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298201U (en) |
-
1989
- 1989-01-24 JP JP669489U patent/JPH0298201U/ja active Pending