JPS6120975U - Pilot operated diaphragm valve - Google Patents

Pilot operated diaphragm valve

Info

Publication number
JPS6120975U
JPS6120975U JP10549184U JP10549184U JPS6120975U JP S6120975 U JPS6120975 U JP S6120975U JP 10549184 U JP10549184 U JP 10549184U JP 10549184 U JP10549184 U JP 10549184U JP S6120975 U JPS6120975 U JP S6120975U
Authority
JP
Japan
Prior art keywords
diaphragm
valve hole
main valve
pilot
hole
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
Application number
JP10549184U
Other languages
Japanese (ja)
Inventor
勝正 志村
利行 岩瀬
Original Assignee
シ−ケ−デイコントロ−ルズ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by シ−ケ−デイコントロ−ルズ株式会社 filed Critical シ−ケ−デイコントロ−ルズ株式会社
Priority to JP10549184U priority Critical patent/JPS6120975U/en
Publication of JPS6120975U publication Critical patent/JPS6120975U/en
Pending legal-status Critical Current

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  • Fluid-Driven Valves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図と第２図は本考案によるパイロツ上式ダイヤフラ
ム弁の実施例を示す縦断面図で、第１図は主弁孔の閉止
状態、第２図は主弁孔の開弁状態をそれぞれ示す。 第３図は本考案の別の実施例を示す要部断面図、第４図
と第５図は従来のパイロット式ダイヤフラム弁の要部断
面図、第６図は本考案による装置と従来の装置との流量
特性を示す図である。 図において、１はダイヤフラム、２はディスク、３はパ
イロット弁孔、４，４ｔはフランジ、５は弁座、７はダ
イヤフラム背室、１１は筒部、１５は主弁孔をそれそれ
示す。Figures 1 and 2 are longitudinal sectional views showing an embodiment of the pilot-type diaphragm valve according to the present invention. Figure 1 shows the main valve hole in the closed state, and Figure 2 shows the main valve hole in the open state, respectively. show. Fig. 3 is a sectional view of the main part showing another embodiment of the present invention, Figs. 4 and 5 are sectional views of the main part of a conventional pilot type diaphragm valve, and Fig. 6 is a sectional view of the main part of a conventional pilot type diaphragm valve. It is a figure which shows the flow characteristic with. In the figure, 1 is a diaphragm, 2 is a disk, 3 is a pilot valve hole, 4 and 4t are flanges, 5 is a valve seat, 7 is a diaphragm back chamber, 11 is a cylindrical portion, and 15 is a main valve hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ダイヤフラム背室と主弁孔の入口側とを連通す，るブリ
ード孔を有し、かつ主弁孔を開閉するダイヤフラムの中
央に、ダイヤフラム背室と出口側を連通ずるパイロット
弁孔を有し、該パイワット弁孔を開閉することでダイヤ
フラムの、動作を制御し、主弁孔を開閉するパイロット
式ダイヤフラム弁であって、ダイヤフラム中夫のパイロ
ット弁孔．を主弁孔中に延長し主弁孔内壁と平行の筒部
をダイヤフラム側に設け、かつこの筒部め弁シ一ト部か
ら筒部先端までの長さが、主弁孔内壁と筒部外壁との間
隔の２倍より大きく形成されていやことを特徴とするパ
イロット式ダイヤフラム弁。It has a bleed hole that communicates between the diaphragm back chamber and the inlet side of the main valve hole, and has a pilot valve hole that communicates the diaphragm back chamber and the outlet side in the center of the diaphragm that opens and closes the main valve hole. A pilot type diaphragm valve that controls the operation of a diaphragm by opening and closing the piwatt valve hole, and opens and closes a main valve hole. A cylinder part extending into the main valve hole and parallel to the inner wall of the main valve hole is provided on the diaphragm side, and the length from the valve seat part to the tip of the cylinder part is the same as the inner wall of the main valve hole and the cylinder part. A pilot-operated diaphragm valve characterized by a diameter larger than twice the distance from the outer wall.
JP10549184U 1984-07-12 1984-07-12 Pilot operated diaphragm valve Pending JPS6120975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10549184U JPS6120975U (en) 1984-07-12 1984-07-12 Pilot operated diaphragm valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10549184U JPS6120975U (en) 1984-07-12 1984-07-12 Pilot operated diaphragm valve

Publications (1)

Publication Number Publication Date
JPS6120975U true JPS6120975U (en) 1986-02-06

Family

ID=30664811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10549184U Pending JPS6120975U (en) 1984-07-12 1984-07-12 Pilot operated diaphragm valve

Country Status (1)

Country Link
JP (1) JPS6120975U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006264004A (en) * 2005-03-23 2006-10-05 Seiko Epson Corp Valve apparatus, recording apparatus, liquid jetting apparatus and method for manufacturing valve seat part in valve apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520613Y1 (en) * 1966-03-15 1970-08-18
JPS494423A (en) * 1972-04-24 1974-01-16
JPS5618181A (en) * 1979-07-23 1981-02-20 Hitachi Ltd Feed water valve
JPS5617480B2 (en) * 1972-02-04 1981-04-22
JPS59147177A (en) * 1983-02-07 1984-08-23 イ−トン　コ−ポレ−シヨン Pilot operation type pressure operating valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520613Y1 (en) * 1966-03-15 1970-08-18
JPS5617480B2 (en) * 1972-02-04 1981-04-22
JPS494423A (en) * 1972-04-24 1974-01-16
JPS5618181A (en) * 1979-07-23 1981-02-20 Hitachi Ltd Feed water valve
JPS59147177A (en) * 1983-02-07 1984-08-23 イ−トン　コ−ポレ−シヨン Pilot operation type pressure operating valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006264004A (en) * 2005-03-23 2006-10-05 Seiko Epson Corp Valve apparatus, recording apparatus, liquid jetting apparatus and method for manufacturing valve seat part in valve apparatus
JP4662032B2 (en) * 2005-03-23 2011-03-30 セイコーエプソン株式会社 Liquid ejector

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