JPS5820707U - Freeze prevention structure of air switching valve - Google Patents

Freeze prevention structure of air switching valve

Info

Publication number
JPS5820707U
JPS5820707U JP11601581U JP11601581U JPS5820707U JP S5820707 U JPS5820707 U JP S5820707U JP 11601581 U JP11601581 U JP 11601581U JP 11601581 U JP11601581 U JP 11601581U JP S5820707 U JPS5820707 U JP S5820707U
Authority
JP
Japan
Prior art keywords
switching valve
air switching
prevention structure
freeze prevention
valve seat
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
JP11601581U
Other languages
Japanese (ja)
Inventor
坂口　巌
Original Assignee
株式会社長野計器製作所
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 株式会社長野計器製作所 filed Critical 株式会社長野計器製作所
Priority to JP11601581U priority Critical patent/JPS5820707U/en
Publication of JPS5820707U publication Critical patent/JPS5820707U/en
Pending legal-status Critical Current

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Landscapes

  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (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) [Abstract] 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 the drawing]

図は本考案に係るエアー切換弁の凍結防止構造の一実施
例をプランジャポンプ駆動用エアーシリンダに組込んだ
状態を示す断面図である。 １４・・・・・・通路、１５・・・・・・切換弁、２２
・・・・・・弁シート、２３・・・・・・弁体、２６・
・・・・・弁座、２８・・・・・・開口、２９・・・・
・・小空洞部。The figure is a sectional view showing a state in which an embodiment of the antifreeze structure for an air switching valve according to the present invention is assembled into an air cylinder for driving a plunger pump. 14... Passage, 15... Switching valve, 22
... Valve seat, 23 ... Valve body, 26.
... Valve seat, 28 ... Opening, 29 ...
...Small cavity.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）エアー切換弁のエアー放出部において、弁座より
も放出端側に、弁座の口径より絞った開口を設けたこと
を特徴とするエアー切換弁の凍結防止構造。　゛(1) An antifreeze structure for an air switching valve, characterized in that an opening narrower than the diameter of the valve seat is provided in the air discharge portion of the air switching valve on the discharge end side of the valve seat.゛ （２）実用新案登録請求の範囲第１項において、前記弁
座から前記開口までの途中に弁座より大口、　　　径部
を有する小空洞部が形成されたことを特徴とするエアー
切換弁の凍結防止構造。(2) Freezing of the air switching valve according to claim 1 of the utility model registration claim, characterized in that a small cavity portion having a diameter larger than the valve seat is formed in the middle from the valve seat to the opening. Prevention structure.
JP11601581U 1981-08-04 1981-08-04 Freeze prevention structure of air switching valve Pending JPS5820707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11601581U JPS5820707U (en) 1981-08-04 1981-08-04 Freeze prevention structure of air switching valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11601581U JPS5820707U (en) 1981-08-04 1981-08-04 Freeze prevention structure of air switching valve

Publications (1)

Publication Number Publication Date
JPS5820707U true JPS5820707U (en) 1983-02-08

Family

ID=29910261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11601581U Pending JPS5820707U (en) 1981-08-04 1981-08-04 Freeze prevention structure of air switching valve

Country Status (1)

Country Link
JP (1) JPS5820707U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009440A1 (en) * 1987-05-28 1988-12-01 Yamada Yuki Seizo Co., Ltd. Reciprocation switching structure for pumps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009440A1 (en) * 1987-05-28 1988-12-01 Yamada Yuki Seizo Co., Ltd. Reciprocation switching structure for pumps

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