JPS6158379U - - Google Patents
Info
- Publication number
- JPS6158379U JPS6158379U JP14314284U JP14314284U JPS6158379U JP S6158379 U JPS6158379 U JP S6158379U JP 14314284 U JP14314284 U JP 14314284U JP 14314284 U JP14314284 U JP 14314284U JP S6158379 U JPS6158379 U JP S6158379U
- Authority
- JP
- Japan
- Prior art keywords
- door opening
- compressed air
- closing drive
- valve
- 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.)
- Granted
Links
- 238000007599 discharging Methods 0.000 claims 1
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Description
図は本考案の実施例による扉開閉装置を配管系
統と共に示す側断面図である。
なお図において、３……安全弁、３０……絞り
弁装置、３１……ボルト、３２……絞り形成部材
。
The figure is a side sectional view showing a door opening/closing device according to an embodiment of the present invention together with a piping system. In the drawings, 3... Safety valve, 30... Throttle valve device, 31... Bolt, 32... Throttle forming member.
Claims (1)
開閉駆動装置との間に操作者からの指令に応答し
て作動し扉の運動方向を制御する扉開閉切換弁を
設け、この扉開閉切換え弁と前記圧縮空気源との
間に前記扉開閉駆動装置側圧縮空気を外気に放出
する位置と前記扉開閉駆動装置側に圧縮空気を供
給する位置とに切換え可能な給排切換え弁及び始
動時に前記扉開閉駆動装置側への圧縮空気の供給
を制御する安全弁を設け、この安全弁が、前記扉
開閉駆動装置側圧力が所定の圧力に達するまで閉
弁している遮断弁と、該遮断弁の両側を常時連通
する絞りと、前記扉開閉駆動装置側から前記給排
切換え弁側への逆流を許容する逆止弁とを備えた
扉開閉装置において、前記絞りを、調整可能な可
動部材とこの可動部材の移動方向に対向して設け
た通路壁との間の隙間によつて形成するとともに
、この隙間をバイパスする通路を前記可動部材に
設け、当該通路に前記逆止弁を配設した扉開閉装
置。 A door opening/closing switching valve that operates in response to an operator's command and controlling the direction of movement of the door is provided between a compressed air source that stores compressed air and a door opening/closing drive device that opens and closes the door. and the compressed air source, a supply/discharge switching valve that can be switched between a position for discharging compressed air to the outside air on the door opening/closing drive side and a position for supplying compressed air to the door opening/closing drive side; A safety valve that controls the supply of compressed air to the door opening/closing drive device side is provided, and this safety valve includes a shutoff valve that is closed until the pressure on the door opening/closing drive device side reaches a predetermined pressure, and both sides of the shutoff valve. In a door opening/closing device comprising a throttle that constantly communicates with the flow, and a check valve that allows backflow from the door opening/closing drive device side to the supply/discharge switching valve side, the throttle is connected to an adjustable movable member and the movable The movable member is provided with a passage that is formed by a gap between the passage wall and a passage wall provided opposite to the moving direction of the member, and the passage bypasses this gap, and the check valve is disposed in the passage. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14314284U JPH0540216Y2 (en) | 1984-09-21 | 1984-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14314284U JPH0540216Y2 (en) | 1984-09-21 | 1984-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6158379U true JPS6158379U (en) | 1986-04-19 |
| JPH0540216Y2 JPH0540216Y2 (en) | 1993-10-13 |
Family
ID=30701449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14314284U Expired - Lifetime JPH0540216Y2 (en) | 1984-09-21 | 1984-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540216Y2 (en) |
-
1984
- 1984-09-21 JP JP14314284U patent/JPH0540216Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540216Y2 (en) | 1993-10-13 |