JPH03117169U - - Google Patents
Info
- Publication number
- JPH03117169U JPH03117169U JP2631890U JP2631890U JPH03117169U JP H03117169 U JPH03117169 U JP H03117169U JP 2631890 U JP2631890 U JP 2631890U JP 2631890 U JP2631890 U JP 2631890U JP H03117169 U JPH03117169 U JP H03117169U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- valve
- diaphragm
- channel
- branch
- 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
- 239000012530 fluid Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
Description
第１図は本考案の実施例に係る流路切換装置の
配管説明図、第２図は従来技術に係る流路切換装
置の配管説明図である。
１……二方振り分け流路、２……流路、３，４
，３１，３２，３３……分岐流路、３′……下流
側部分、５……電磁弁、６，１８……弁座、７，
１６……ダイアフラム、８……センタープレート
、９……プランジヤ、１０，２１……スプリング
、１１……ガイド、１２……ソレノイド、１３…
…パイロツト孔、１４……ブリード孔、１５……
ダイアフラム弁、１７……流体入口、１９……流
体出口、２０……背圧室、２２……ピストン、２
３……連通孔。
FIG. 1 is an explanatory diagram of piping of a flow path switching device according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram of piping of a flow path switching device according to the prior art. 1... Two-way distribution channel, 2... Channel, 3, 4
, 31, 32, 33... Branch flow path, 3'... Downstream portion, 5... Solenoid valve, 6, 18... Valve seat, 7,
16...Diaphragm, 8...Center plate, 9...Plunger, 10, 21...Spring, 11...Guide, 12...Solenoid, 13...
...Pilot hole, 14...Bleed hole, 15...
Diaphragm valve, 17...Fluid inlet, 19...Fluid outlet, 20...Back pressure chamber, 22...Piston, 2
3...Communication hole.
Claims (1)
４に分岐した二方振り分け流路１と、前記一方の
分岐流路３を開閉する電磁弁５と、前記他方の分
岐流路４を開閉すダイアフラム弁１５とを有し、
前記ダイアフラム弁１５、内部空間をダイアフラ
ム１６により２室に仕切り、一方の室に流体入口
１７、弁座１８および流体出口１９を設け、他方
の室に背圧室２０を設け、前記ダイアフラム１６
をスプリング２１により閉弁方向に弾性付勢した
ものであり、前記背圧室２０と前記一方の分岐流
路３における電磁弁５の下流側部分３′を連通さ
せた流路切換装置。 ２ 第１項記載の流路切換装置を複数直列に接続
した流路切換装置。[Claims for Utility Model Registration] 1. One channel 2 has two branch channels 3 on the downstream side,
It has a two-way distribution channel 1 branched into 4, a solenoid valve 5 that opens and closes the one branch channel 3, and a diaphragm valve 15 that opens and closes the other branch channel 4,
The diaphragm valve 15 has an internal space partitioned into two chambers by a diaphragm 16, one chamber is provided with a fluid inlet 17, a valve seat 18, and a fluid outlet 19, the other chamber is provided with a back pressure chamber 20, and the diaphragm 16 is provided with a back pressure chamber 20.
is elastically biased in the valve closing direction by a spring 21, and the flow path switching device communicates the back pressure chamber 20 with the downstream portion 3' of the electromagnetic valve 5 in the one branch flow path 3. 2. A flow path switching device in which a plurality of the flow path switching devices described in item 1 are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2631890U JPH03117169U (en) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2631890U JPH03117169U (en) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117169U true JPH03117169U (en) | 1991-12-04 |
Family
ID=31529220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2631890U Pending JPH03117169U (en) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117169U (en) |
-
1990
- 1990-03-15 JP JP2631890U patent/JPH03117169U/ja active Pending
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