JPH0345488U - - Google Patents
Info
- Publication number
- JPH0345488U JPH0345488U JP10546489U JP10546489U JPH0345488U JP H0345488 U JPH0345488 U JP H0345488U JP 10546489 U JP10546489 U JP 10546489U JP 10546489 U JP10546489 U JP 10546489U JP H0345488 U JPH0345488 U JP H0345488U
- Authority
- JP
- Japan
- Prior art keywords
- pressurizing
- chambers
- pair
- pump
- air
- 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 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
Description
第１図ないし第３図は本考案の実施例を示し、
第１図はその側断面図、第２図は第１図における
Ａ−Ａ線での断面図、第３図は同Ｂ−Ｂ線での断
面図、第４図Ａ〜Ｃは本考案のエア駆動ポンプに
おける方向切換弁の動作説明図、第５図Ａ〜Ｅは
同パイロツト弁（上半のみを示す。）の動作説明
図である。
１……ポンプ本体、４ａ，４ｂ……ポンプ室、
５ａ，５ｂ……ダイヤフラム、７ａ，７ｂ……加
圧室、８ａ，８ｂ……駆動室、２３……方向切換
弁、３０……弁体、３２……流路。
1 to 3 show embodiments of the present invention,
Fig. 1 is a side sectional view of the device, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is a sectional view taken along line B-B in Fig. 1, and Fig. 4 A to C are cross-sectional views of the present invention. FIGS. 5A to 5E are explanatory views of the operation of the directional control valve in the air-driven pump, and FIGS. 5A to 5E are explanatory views of the operation of the pilot valve (only the upper half is shown). 1...Pump body, 4a, 4b...Pump chamber,
5a, 5b... diaphragm, 7a, 7b... pressurizing chamber, 8a, 8b... drive chamber, 23... directional switching valve, 30... valve body, 32... flow path.
Claims (1)
のポンプ室内を駆動室と加圧室とに区画する各加
圧壁を相互に連結し、一対の駆動室に方向切換弁
を介して交互に加圧エアを給排することにより、
両加圧壁を交互にストロークさせて、一対の加圧
室において加圧した流体を吐出するようにしたエ
ア駆動ポンプにおいて、 上記方向切換弁の弁体に、一対の加圧室に給排
するエアを切換える際に中立位置において両加圧
室を連通させる流路を設けた、 ことを特徴とするエア駆動ポンプ。[Scope of Claim for Utility Model Registration] A pump body is provided with a pair of pump chambers, and each pressurizing wall that divides these pump chambers into a drive chamber and a pressurizing chamber is connected to each other, and a direction is provided between the pair of drive chambers. By supplying and discharging pressurized air alternately through the switching valve,
In an air-driven pump that discharges pressurized fluid from a pair of pressurizing chambers by alternately stroking both pressurizing walls, the valve body of the directional control valve is supplied to and discharged from the pair of pressurizing chambers. An air-driven pump characterized by having a flow path that communicates both pressurizing chambers at a neutral position when switching air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10546489U JPH0345488U (en) | 1989-09-09 | 1989-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10546489U JPH0345488U (en) | 1989-09-09 | 1989-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0345488U true JPH0345488U (en) | 1991-04-26 |
Family
ID=31654227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10546489U Pending JPH0345488U (en) | 1989-09-09 | 1989-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0345488U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188788A (en) * | 1981-03-28 | 1982-11-19 | Depa Gmbh | Compressed air drive two-throw diaphragm pump |
-
1989
- 1989-09-09 JP JP10546489U patent/JPH0345488U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188788A (en) * | 1981-03-28 | 1982-11-19 | Depa Gmbh | Compressed air drive two-throw diaphragm pump |