JPS6023370U - backflow prevention valve - Google Patents

backflow prevention valve

Info

Publication number
JPS6023370U
JPS6023370U JP11477883U JP11477883U JPS6023370U JP S6023370 U JPS6023370 U JP S6023370U JP 11477883 U JP11477883 U JP 11477883U JP 11477883 U JP11477883 U JP 11477883U JP S6023370 U JPS6023370 U JP S6023370U
Authority
JP
Japan
Prior art keywords
inner diameter
water pipe
valve
shape
cross
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
JP11477883U
Other languages
Japanese (ja)
Inventor
真野　秀雄
Original Assignee
北海道水道機材株式会社
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 北海道水道機材株式会社 filed Critical 北海道水道機材株式会社
Priority to JP11477883U priority Critical patent/JPS6023370U/en
Publication of JPS6023370U publication Critical patent/JPS6023370U/en
Pending legal-status Critical Current

Links

Landscapes

  • Domestic Plumbing Installations (AREA)
  • Check 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 the drawing]

第１図は本考案品の正断面図であって、通常の給水時の
態様を示す。第２図は本考案品の正断面図であって、通
常の断水時の態様を示す。第３図は止めピンの斜面図。 第４図は弁の斜面図。FIG. 1 is a front sectional view of the product of the present invention, showing the state during normal water supply. FIG. 2 is a front sectional view of the product of the present invention, showing the state during a normal water cutoff. Figure 3 is an oblique view of the retaining pin. Figure 4 is a perspective view of the valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外形か六角ナツト状であって内部は管体である左部１と
、管状であって内部の断面積が水道管の断面積のほぼ２
倍てあり、穿設した環状溝７に止めピン７を挿入した中
央部２と、管状であってその内径は水道管の内径と等し
い右部４より成り、中央部３と右部の境い目にシート面
１０を有する本体１の内部に、頭部１３は截頭円錐形で
中央部１４はその直径が水道管の内径よりもやや大きい
円筒形であり尾部１５は独楽の下部状であるものに、−
辺の長さが中央部２の内径よりもやや小さな十字体１６
を附設した弁１２を収容して成る逆゛流防止弁。The left part 1 has a hexagonal nut shape on the outside and a pipe on the inside, and the left part 1 is tubular and has an internal cross-sectional area that is approximately 2 times the cross-sectional area of a water pipe.
It consists of a central part 2 which is double-sided and has a fixing pin 7 inserted into a bored annular groove 7, and a right part 4 which is tubular and whose inner diameter is equal to the inner diameter of the water pipe. Inside the main body 1 having a seat surface 10, a head 13 has a truncated conical shape, a central portion 14 has a cylindrical shape whose diameter is slightly larger than the inner diameter of the water pipe, and a tail portion 15 has the shape of the lower part of a top. ,−
A cross 16 whose side length is slightly smaller than the inner diameter of the central part 2
A backflow prevention valve comprising a valve 12 equipped with a valve 12.
JP11477883U 1983-07-22 1983-07-22 backflow prevention valve Pending JPS6023370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11477883U JPS6023370U (en) 1983-07-22 1983-07-22 backflow prevention valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11477883U JPS6023370U (en) 1983-07-22 1983-07-22 backflow prevention valve

Publications (1)

Publication Number Publication Date
JPS6023370U true JPS6023370U (en) 1985-02-18

Family

ID=30265191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11477883U Pending JPS6023370U (en) 1983-07-22 1983-07-22 backflow prevention valve

Country Status (1)

Country Link
JP (1) JPS6023370U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60119365A (en) * 1983-11-25 1985-06-26 ウオルブロ　コーポレイシヨン Fuel outlet valve for pump
JPH0647782U (en) * 1992-12-07 1994-06-28 芳夫 田中 Check valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60119365A (en) * 1983-11-25 1985-06-26 ウオルブロ　コーポレイシヨン Fuel outlet valve for pump
JPH0647782U (en) * 1992-12-07 1994-06-28 芳夫 田中 Check valve

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