JPH0384449U - - Google Patents
Info
- Publication number
- JPH0384449U JPH0384449U JP14694289U JP14694289U JPH0384449U JP H0384449 U JPH0384449 U JP H0384449U JP 14694289 U JP14694289 U JP 14694289U JP 14694289 U JP14694289 U JP 14694289U JP H0384449 U JPH0384449 U JP H0384449U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- cylinder
- piston rod
- piston
- passage
- 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
- Chairs Characterized By Structure (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図および第２図は本考案の第１の実施例を
示し、第１図はガススプリングの縦断面図、第２
図は第１図中の要部拡大図、第３図および第４図
は第２の実施例を示し、第３図はガススプリング
の縦断面図、第４図はガススプリングの要部を拡
大して示す縦断面図、第５図は従来技術を示す椅
子装置の縦断面図である。
２１……チユーブ、２２……内筒、２３，４３
……ロツドガイド、２４……環状通路、２７……
閉塞部材、２８，４５……ピストン、２９，４４
……ピストンロツド、３４，５０……プツシユロ
ツド、３５，５１……プラグ、３７，５２……弁
座部材、３８，５３……チエツク弁、３８Ａ，５
３Ａ……弁ばね、３９，５４……絞り通路、４１
……シリンダ、Ａ，Ｂ……ガス室。
1 and 2 show a first embodiment of the present invention, FIG. 1 is a longitudinal sectional view of a gas spring, and FIG.
The figure is an enlarged view of the main parts in Fig. 1, Figs. 3 and 4 show the second embodiment, Fig. 3 is a longitudinal sectional view of the gas spring, and Fig. 4 is an enlarged view of the main parts of the gas spring. FIG. 5 is a longitudinal sectional view of a chair device showing the prior art. 21...tube, 22...inner cylinder, 23,43
... Rod guide, 24 ... Circular passage, 27 ...
Closing member, 28, 45...Piston, 29, 44
...Piston rod, 34,50...Push rod, 35,51...Plug, 37,52...Valve seat member, 38,53...Check valve, 38A,5
3A... Valve spring, 39, 54... Throttle passage, 41
...Cylinder, A, B...Gas chamber.
Claims (1)
れ、該シリンダ内を２つのガス室に画成したピス
トンと、一端側が該ピストンに固着され、他端側
が前記シリンダ外に突出したピストンロツドと、
前記シリンダ内の２つのガス室間を連通させるガ
ス通路と、該ガス通路の途中に設けられ、常時は
前記各ガス室間を遮断し、外部からプラグを押圧
操作したときに前記各ガス室間を連通させるロツ
ク機構とからなるロツク機構付ガススプリングに
おいて、前記ガス通路の途中に前記ピストンロツ
ドの伸長時に開弁し、縮小時に閉弁するチエツク
弁を設け、該チエツク弁にその前、後を常時連通
させる絞り通路を設けたことを特徴とするロツク
機構付ガススプリング。 a cylinder, a piston that is slidably inserted into the cylinder and defines two gas chambers within the cylinder, and a piston rod that has one end fixed to the piston and the other end that protrudes outside the cylinder;
A gas passage that communicates between the two gas chambers in the cylinder, and a gas passage provided in the middle of the gas passage, which normally shuts off the communication between the gas chambers, and when a plug is pressed from the outside, connects the gas chambers. In a gas spring with a lock mechanism, a check valve that opens when the piston rod is extended and closes when the piston rod is retracted is provided in the middle of the gas passage, and the check valve is provided with a locking mechanism in front of and behind the piston rod at all times. A gas spring with a locking mechanism characterized by having a throttle passage for communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14694289U JPH0384449U (en) | 1989-12-20 | 1989-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14694289U JPH0384449U (en) | 1989-12-20 | 1989-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0384449U true JPH0384449U (en) | 1991-08-27 |
Family
ID=31693477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14694289U Pending JPH0384449U (en) | 1989-12-20 | 1989-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0384449U (en) |
-
1989
- 1989-12-20 JP JP14694289U patent/JPH0384449U/ja active Pending