JPH0176579U - - Google Patents
Info
- Publication number
- JPH0176579U JPH0176579U JP1987172587U JP17258787U JPH0176579U JP H0176579 U JPH0176579 U JP H0176579U JP 1987172587 U JP1987172587 U JP 1987172587U JP 17258787 U JP17258787 U JP 17258787U JP H0176579 U JPH0176579 U JP H0176579U
- Authority
- JP
- Japan
- Prior art keywords
- air
- pump
- compressed air
- chamber
- working
- 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
- 238000007599 discharging Methods 0.000 claims 2
Landscapes
- Reciprocating Pumps (AREA)
Description
図面は本考案の要部縦断面図である。
１……ダイアフラム式ポンプ、３……作動軸、
４……ダイアフラム、５……ダイアフラム式ポン
プ、６……ポンプ室、７……作動空気室、１０…
…スプール弁、１２……スプール、１２ａ，１２
ｂ……ピストン、１３……シリンダー部、１４，
１４……抜気孔。
The drawing is a longitudinal sectional view of the main part of the present invention. 1...Diaphragm pump, 3...Operating shaft,
4...Diaphragm, 5...Diaphragm pump, 6...Pump chamber, 7...Working air chamber, 10...
...Spool valve, 12...Spool, 12a, 12
b... Piston, 13... Cylinder part, 14,
14...Vent hole.
Claims (1)
形成し、該ポンプ室は作動軸の両端に固定された
ダイヤフラムによつて区画された作動空気室を有
し、該作動空気室に交互に圧縮空気を導入排出す
ることによつて吸込、吐出作用を交互に繰返すダ
イアフラムポンプにおいて、前記圧縮空気の導入
排出にダブルパイロツト式５ポートスプール弁を
用い、該スプール弁のパイロツトエアー導入によ
りピストン作動後、該パイロツトエアーが抜気さ
れるようシリンダーの側面に抜気孔を設けてなる
往復動ポンプのエアー切替装置。 A pump chamber is formed with a suction valve and a discharge valve on both sides, and the pump chamber has a working air chamber partitioned by a diaphragm fixed to both ends of the working shaft, and compressed air is alternately supplied to the working air chamber. In a diaphragm pump that alternately repeats suction and discharge by introducing and discharging compressed air, a double pilot type 5-port spool valve is used for introducing and discharging the compressed air. An air switching device for a reciprocating pump that has a vent hole on the side of the cylinder to vent pilot air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172587U JPH0176579U (en) | 1987-11-11 | 1987-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172587U JPH0176579U (en) | 1987-11-11 | 1987-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176579U true JPH0176579U (en) | 1989-05-24 |
Family
ID=31464552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987172587U Pending JPH0176579U (en) | 1987-11-11 | 1987-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176579U (en) |
-
1987
- 1987-11-11 JP JP1987172587U patent/JPH0176579U/ja active Pending