JPH0165403U - - Google Patents
Info
- Publication number
- JPH0165403U JPH0165403U JP1987158511U JP15851187U JPH0165403U JP H0165403 U JPH0165403 U JP H0165403U JP 1987158511 U JP1987158511 U JP 1987158511U JP 15851187 U JP15851187 U JP 15851187U JP H0165403 U JPH0165403 U JP H0165403U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- passage
- switching
- air
- switching valve
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Reciprocating Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は、本考案の実施例を示した制御空気回
路図である。第２図は、従来の切替装置の制御空
気回路図を示す。
１……ピストン、２……シリンダー、３……ポ
ンプ、４，５……開閉弁、１０……切替弁。
FIG. 1 is a control air circuit diagram showing an embodiment of the present invention. FIG. 2 shows a control air circuit diagram of a conventional switching device. 1...Piston, 2...Cylinder, 3...Pump, 4, 5...Opening/closing valve, 10...Switching valve.
Claims (1)
空気を供給、排気して往復駆動するポンプにおい
て、作動体の両端切替位置に作動片により開放し
、ばねにより閉塞する開閉弁をそれぞれ配設し、
一方の開閉弁入口通路はエアー源と接続、他方の
開閉弁の入口通路は大気開放とすると共に、前記
作動体の両側に形成されたそれぞれの駆動室に、
圧縮空気を導入する切替弁を設け、該切替弁はば
ね付の４ポート２位置切替弁でパイロツトエアー
作動式とし、該パイロツトエアー通路と、前記開
閉弁の出口側通路と接続したことを特徴とする往
復動ポンプの切替装置。 In a pump that reciprocates by alternately supplying and exhausting compressed air from both sides of a reciprocating actuating body, on-off valves that are opened by actuating pieces and closed by springs are installed at both end switching positions of the actuating body. ,
One on-off valve inlet passage is connected to an air source, the other on-off valve inlet passage is open to the atmosphere, and each drive chamber formed on both sides of the operating body has
A switching valve for introducing compressed air is provided, the switching valve is a spring-loaded 4-port 2-position switching valve operated by pilot air, and the pilot air passage is connected to the outlet side passage of the on-off valve. A switching device for reciprocating pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158511U JPH0165403U (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158511U JPH0165403U (en) | 1987-10-16 | 1987-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165403U true JPH0165403U (en) | 1989-04-26 |
Family
ID=31438906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158511U Pending JPH0165403U (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165403U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337902A (en) * | 1976-09-20 | 1978-04-07 | Oil Drive Kogyo Ltd | Method of switching over suctionndelivery cylinders |
| JPS6016063B2 (en) * | 1982-12-08 | 1985-04-23 | エムデイ−エス・ヘルス・グル−プ・リミテツド | Plasma sampling device and method |
-
1987
- 1987-10-16 JP JP1987158511U patent/JPH0165403U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337902A (en) * | 1976-09-20 | 1978-04-07 | Oil Drive Kogyo Ltd | Method of switching over suctionndelivery cylinders |
| JPS6016063B2 (en) * | 1982-12-08 | 1985-04-23 | エムデイ−エス・ヘルス・グル−プ・リミテツド | Plasma sampling device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0165403U (en) | ||
| US2237013A (en) | Valve assembly | |
| JPH0743447Y2 (en) | Valve operating speed controller | |
| CN216741865U (en) | Double-speed pneumatic hydraulic pump | |
| JPS638234U (en) | ||
| JPS5910505U (en) | Variable cushion stroke mechanism in pneumatic cylinder | |
| JPS63128275U (en) | ||
| JPH0425046U (en) | ||
| JP2561362Y2 (en) | Equipment drive | |
| JPS6240008U (en) | ||
| JPH0476374U (en) | ||
| JPH01130081U (en) | ||
| JPS6213273U (en) | ||
| JPH0351145U (en) | ||
| JPS61186804U (en) | ||
| JPH043104U (en) | ||
| JPS5983201U (en) | Actuator operating circuit | |
| JPH01165377U (en) | ||
| JPH0125903B2 (en) | ||
| JPS6334368U (en) | ||
| JPH0227142Y2 (en) | ||
| JPH0342075U (en) | ||
| JPS61107989U (en) | ||
| JPS6218713Y2 (en) | ||
| JPS60176970U (en) | Buffer drive device for reciprocating objects |