JPS6099367U - Backflow prevention valve for cold regions - Google Patents
Backflow prevention valve for cold regionsInfo
- Publication number
- JPS6099367U JPS6099367U JP19202383U JP19202383U JPS6099367U JP S6099367 U JPS6099367 U JP S6099367U JP 19202383 U JP19202383 U JP 19202383U JP 19202383 U JP19202383 U JP 19202383U JP S6099367 U JPS6099367 U JP S6099367U
- Authority
- JP
- Japan
- Prior art keywords
- cold regions
- valve
- check
- backflow prevention
- operation chamber
- 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
Links
- 230000002265 prevention Effects 0.000 title claims 2
- 238000012856 packing Methods 0.000 claims description 2
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
第1図は本考案の一実施例を示す縦断面図であり、第2
図は他の実施例を示す要部縦断面図である。
1・・・・・・弁箱、2・・・・・・流入口、3・・・
・・・流出口、5・・・・・・逆止面、6・・・・・・
弁座、8・・・・・−・操作室、9・・・・・・上蓋、
10・・・・・・弁体、11・・・・・・逆止パツキン
、15・・・・・・バネ、16・・・・・・押圧枠、2
0.21・・・・・・パツキン、22・・・・・・連通
孔、23・・・・・・吸気弁座、26・・・・・・吸気
弁体。FIG. 1 is a vertical sectional view showing one embodiment of the present invention, and the second
The figure is a longitudinal sectional view of a main part showing another embodiment. 1...Valve box, 2...Inflow port, 3...
... Outlet, 5... Reverse stop, 6...
Valve seat, 8...--Control room, 9...Top lid,
10...Valve body, 11...Check gasket, 15...Spring, 16...Press frame, 2
0.21...Packing, 22...Communication hole, 23...Intake valve seat, 26...Intake valve body.
Claims (1)
うけ、側方に操作室を開口する弁箱と、上記弁箱内に収
容され、上記逆止面に密着する逆止パツキンを装着する
弁体と、上記弁体に流入口方向への押圧力を与えるバネ
と、上記操作室上端に接続する上蓋と、弁体を流出口方
向に押圧すべ、 く、一方を操作室内に、他方を大気
中に露出させ、上記上蓋内を摺動する押圧枠とを備え、
上記上蓋と押圧枠とを2個のパツキンにより密封すると
ともに、一端を大気中に、他端を2個のパツキン間に開
口する連通孔をもうけ、上記連通孔内には、内部に吸気
弁座を形成し、上記吸気弁座を閉塞する吸気弁体を収容
したことを特徴とする寒冷地用逆流防止弁。A valve box that has an inlet, an outlet, and a check surface between them on the same axis and opens an operation chamber on the side, and a check packing that is housed in the valve box and comes into close contact with the check surface. A spring to apply pressure to the valve body in the direction of the inlet, a top cover connected to the upper end of the operation chamber, and a spring to press the valve body in the direction of the outlet, one of which is placed in the operation chamber. , and a pressing frame that slides inside the upper lid, the other side of which is exposed to the atmosphere,
The upper cover and the pressing frame are sealed with two gaskets, and a communication hole is provided in which one end is opened to the atmosphere and the other end is opened between the two gaskets, and an intake valve seat is provided inside the communication hole. 1. A backflow prevention valve for use in cold regions, characterized in that a check valve for cold regions is provided with an intake valve body that blocks the intake valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19202383U JPS6099367U (en) | 1983-12-12 | 1983-12-12 | Backflow prevention valve for cold regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19202383U JPS6099367U (en) | 1983-12-12 | 1983-12-12 | Backflow prevention valve for cold regions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6099367U true JPS6099367U (en) | 1985-07-06 |
| JPH0111810Y2 JPH0111810Y2 (en) | 1989-04-06 |
Family
ID=30413356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19202383U Granted JPS6099367U (en) | 1983-12-12 | 1983-12-12 | Backflow prevention valve for cold regions |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6099367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0620962U (en) * | 1991-04-10 | 1994-03-18 | 株式会社光合金製作所 | Check valve with intake valve |
| JP2012241866A (en) * | 2011-05-23 | 2012-12-10 | Panasonic Corp | Check valve |
| JP2016080123A (en) * | 2014-10-21 | 2016-05-16 | 能美防災株式会社 | Relief valve and fire-extinguishing apparatus |
-
1983
- 1983-12-12 JP JP19202383U patent/JPS6099367U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0620962U (en) * | 1991-04-10 | 1994-03-18 | 株式会社光合金製作所 | Check valve with intake valve |
| JP2012241866A (en) * | 2011-05-23 | 2012-12-10 | Panasonic Corp | Check valve |
| JP2016080123A (en) * | 2014-10-21 | 2016-05-16 | 能美防災株式会社 | Relief valve and fire-extinguishing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0111810Y2 (en) | 1989-04-06 |
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