JPS6096480U - Backflow prevention valve for cold regions - Google Patents

Backflow prevention valve for cold regions

Info

Publication number
JPS6096480U
JPS6096480U JP18906183U JP18906183U JPS6096480U JP S6096480 U JPS6096480 U JP S6096480U JP 18906183 U JP18906183 U JP 18906183U JP 18906183 U JP18906183 U JP 18906183U JP S6096480 U JPS6096480 U JP S6096480U
Authority
JP
Japan
Prior art keywords
center
inner diameter
pipe
smaller
cylinder surface
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.)
Granted
Application number
JP18906183U
Other languages
Japanese (ja)
Other versions
JPS6220533Y2 (en
Inventor
阿蘇　芳美
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 JP18906183U priority Critical patent/JPS6096480U/en
Publication of JPS6096480U publication Critical patent/JPS6096480U/en
Application granted granted Critical
Publication of JPS6220533Y2 publication Critical patent/JPS6220533Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • 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 drawings]

第１図は水抜栓を示す略図。第２図は本考案品の正断面
図であって給水時の状態を示す。第３図は本考案の正断
面図であって、断水時の状態を示す。第４図は本考案品
の正断面図であって、ピストンを作動させた時の状態を
示す。第５図は弁の斜面図。第６図はカラーの斜面図。 第７図は止めピンの正面図。FIG. 1 is a schematic diagram showing a drain valve. FIG. 2 is a front sectional view of the product of the present invention, showing the state when water is being supplied. FIG. 3 is a front sectional view of the present invention, showing the state at the time of water cutoff. FIG. 4 is a front sectional view of the product of the present invention, showing the state when the piston is operated. Figure 5 is a perspective view of the valve. Figure 6 is a color perspective view. FIG. 7 is a front view of the retaining pin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央部１６の内径を流出側の内径よりも小とし、その間
にシート面１７を構成した管部１２と、中央１６におい
て突出し内面はシリンダー面１８とし、管部１２との連
通部１９の内径をシリンダー面１８の内径よりも小とし
た突出部１３より成る本体１１に、突出部１３の中に上
部２１と下部２３は棒状で、中央部２２はシリンダー面
１８に適合する軽量のピストン２０を収容したうえキャ
ップ２７を遊装し、管部１２の流出側に、先端３０は丸
く閉ぢられ、中央部には溝３１を設けてＯリング３２を
収容し、後半部３４の外径は中央部よりも小として段３
５を構成した弁２９を収容し、カラー３６と弁中央部間
にスプリング３９を配設し、管部１２の流出部１５に止
めピン３７を設けて成る寒冷地用逆流防止弁。The inner diameter of the center part 16 is made smaller than the inner diameter of the outflow side, and the pipe part 12 with a seat surface 17 formed therebetween, and the protruding inner surface of the center part 16 is a cylinder surface 18, and the inner diameter of the communicating part 19 with the pipe part 12 is made The main body 11 consists of a protrusion 13 that is smaller than the inner diameter of the cylinder surface 18. Inside the protrusion 13, an upper part 21 and a lower part 23 are rod-shaped, and a central part 22 accommodates a lightweight piston 20 that fits into the cylinder surface 18. In addition, the cap 27 is installed loosely, and the tip 30 is closed round on the outflow side of the pipe part 12, a groove 31 is provided in the center to accommodate the O-ring 32, and the outer diameter of the rear part 34 is the same as that in the center. Tier 3 as smaller than
5, a spring 39 is disposed between the collar 36 and the center of the valve, and a stop pin 37 is provided at the outflow portion 15 of the pipe portion 12.
JP18906183U 1983-12-06 1983-12-06 Backflow prevention valve for cold regions Granted JPS6096480U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18906183U JPS6096480U (en) 1983-12-06 1983-12-06 Backflow prevention valve for cold regions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18906183U JPS6096480U (en) 1983-12-06 1983-12-06 Backflow prevention valve for cold regions

Publications (2)

Publication Number Publication Date
JPS6096480U true JPS6096480U (en) 1985-07-01
JPS6220533Y2 JPS6220533Y2 (en) 1987-05-25

Family

ID=30407717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18906183U Granted JPS6096480U (en) 1983-12-06 1983-12-06 Backflow prevention valve for cold regions

Country Status (1)

Country Link
JP (1) JPS6096480U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012241866A (en) * 2011-05-23 2012-12-10 Panasonic Corp Check valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012241866A (en) * 2011-05-23 2012-12-10 Panasonic Corp Check valve

Also Published As

Publication number Publication date
JPS6220533Y2 (en) 1987-05-25

Similar Documents

Publication Publication Date Title
JPS6096480U (en) Backflow prevention valve for cold regions
JPS61161486U (en)
JPS62155269U (en)
JPS636081U (en)
JPS6349059U (en)
JPS5930970U (en) crank pipe
JPS5820768U (en) push valve
JPS5830001U (en) Valve adhesion prevention device in accumulator
JPS63110608U (en)
JPS5872544U (en) hydraulic shock absorber
JPH0172452U (en)
JPS61157703U (en)
JPH0482461U (en)
JPS5828175U (en) hydraulic valve body
JPS6380348U (en)
JPS59133877U (en) hydraulic solenoid valve
JPH0328372U (en)
JPS62137762U (en)
JPS6445094U (en)
JPS5826947U (en) Injection nozzle for descaling
JPH01143472U (en)
JPS60123469U (en) Water faucet
JPS61116288U (en)
JPH03118369U (en)
JPS6248869U (en)