JPS62183178U - - Google Patents
Info
- Publication number
- JPS62183178U JPS62183178U JP7310386U JP7310386U JPS62183178U JP S62183178 U JPS62183178 U JP S62183178U JP 7310386 U JP7310386 U JP 7310386U JP 7310386 U JP7310386 U JP 7310386U JP S62183178 U JPS62183178 U JP S62183178U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- port
- valve port
- box
- valve body
- 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
Landscapes
- Check Valves (AREA)
Description
第１図は従来の逆流防止弁の縦断面図であり、
第２図、第３図、第４図は本考案を実施した逆流
防止弁の縦断面図をそれぞれ示すものである。
図中、１は流入口、２は弁口、３は流出口、４
は弁箱、５はばね、６は圧縮可動弁体、１０は空
室をそれぞれ示すものである。
FIG. 1 is a longitudinal cross-sectional view of a conventional check valve.
FIGS. 2, 3, and 4 are longitudinal cross-sectional views of a check valve according to the present invention. In the figure, 1 is an inlet, 2 is a valve port, 3 is an outlet, and 4
1 is a valve box, 5 is a spring, 6 is a compressible valve body, and 10 is a vacant chamber.
Claims (1)
記弁口に当接して逆流を防止する圧縮可動弁体を
設け、前記圧縮可動弁体は一端に前記弁口に対す
る弁口当接部を設け、他端方向部に密封された空
室を形成せしめ、弁箱内の圧力が大気圧より大き
いときに圧縮して弁口を開きその逆のとき弁口を
閉塞する逆流防止弁。 A compressible movable valve body is provided in a valve box having a valve port between an inflow port and an outflow port, and the compressible movable valve body contacts the valve port to prevent backflow, and the compressible movable valve body has a valve port for the valve port at one end. A non-return valve that has a connecting part and forms a sealed cavity at the other end, which compresses and opens the valve port when the pressure inside the valve box is higher than atmospheric pressure, and closes the valve port when the pressure inside the valve box is higher than atmospheric pressure. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986073103U JPH067235Y2 (en) | 1986-05-14 | 1986-05-14 | Check valve for water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986073103U JPH067235Y2 (en) | 1986-05-14 | 1986-05-14 | Check valve for water supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62183178U true JPS62183178U (en) | 1987-11-20 |
| JPH067235Y2 JPH067235Y2 (en) | 1994-02-23 |
Family
ID=30917134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986073103U Expired - Lifetime JPH067235Y2 (en) | 1986-05-14 | 1986-05-14 | Check valve for water supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067235Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09119882A (en) * | 1996-09-30 | 1997-05-06 | Yazaki Corp | Method and system for monitoring of very small gas leak |
-
1986
- 1986-05-14 JP JP1986073103U patent/JPH067235Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09119882A (en) * | 1996-09-30 | 1997-05-06 | Yazaki Corp | Method and system for monitoring of very small gas leak |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067235Y2 (en) | 1994-02-23 |