JPS6397766U - - Google Patents
Info
- Publication number
- JPS6397766U JPS6397766U JP19419586U JP19419586U JPS6397766U JP S6397766 U JPS6397766 U JP S6397766U JP 19419586 U JP19419586 U JP 19419586U JP 19419586 U JP19419586 U JP 19419586U JP S6397766 U JPS6397766 U JP S6397766U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- box
- secondary side
- diameter
- 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
Links
- 210000003746 feather Anatomy 0.000 description 1
Landscapes
- Check Valves (AREA)
Description
第１図は本考案実施例の弁閉止状態を示す縦断
面図、第２図は同じく弁開放状態を示す縦断面図
、第３図は従来の逆止弁を示す断面図である。
１……弁箱、２……弁体、３……コイルバネ、
１４……弁体ガイド部、１５……バネ係合段部、
２１……案内羽根。
FIG. 1 is a longitudinal cross-sectional view showing the valve in the closed state according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view showing the valve in the open state, and FIG. 3 is a cross-sectional view showing a conventional check valve. 1...Valve box, 2...Valve body, 3...Coil spring,
14... Valve body guide part, 15... Spring engagement step part,
21... Guide feather.
Claims (1)
体を装着し、該弁体は弁体の２次側背面に複数の
突内羽根を弁座との当接する径より大きく突出形
成し、前記弁箱内は前記弁座部の２次側流通路の
弁箱内壁に前記弁体を流路方向に摺動させる範囲
で且つ前記案内羽根の外径と略同内径の円筒内面
を有する弁体ガイド部と、これより２次側に弁体
ガイド部より小径のバネ係合段部を設け、前記案
内羽根の背面とバネ係合段部との間にコイルバネ
を介装したことを特徴とする逆止弁。 A valve seat is provided in the valve box, a valve body is mounted opposite to the valve seat, and the valve body has a plurality of protruding inner vanes on the back side of the secondary side of the valve body, with the diameter of the valve body being in contact with the valve seat. The inside of the valve box has an inner diameter that is approximately the same as the outer diameter of the guide vane, and the inside of the valve box is within a range where the valve body slides in the flow path direction on the inner wall of the valve box of the secondary side flow path of the valve seat portion. A valve body guide portion having a cylindrical inner surface is provided, and a spring engagement step portion having a smaller diameter than the valve body guide portion is provided on the secondary side thereof, and a coil spring is interposed between the back surface of the guide vane and the spring engagement step portion. A check valve characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19419586U JPS6397766U (en) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19419586U JPS6397766U (en) | 1986-12-17 | 1986-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397766U true JPS6397766U (en) | 1988-06-24 |
Family
ID=31150941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19419586U Pending JPS6397766U (en) | 1986-12-17 | 1986-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101203049B1 (en) * | 2010-02-05 | 2012-11-20 | 우명배 | Valve for preventing water flow backward |
-
1986
- 1986-12-17 JP JP19419586U patent/JPS6397766U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101203049B1 (en) * | 2010-02-05 | 2012-11-20 | 우명배 | Valve for preventing water flow backward |