JPS629762U - - Google Patents
Info
- Publication number
- JPS629762U JPS629762U JP10082985U JP10082985U JPS629762U JP S629762 U JPS629762 U JP S629762U JP 10082985 U JP10082985 U JP 10082985U JP 10082985 U JP10082985 U JP 10082985U JP S629762 U JPS629762 U JP S629762U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- curved plate
- upstream
- valve body
- downstream
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第１図及び第２図は本考案の実施例を示し、第
１図は一部省略縦断面図、第２図は横断面図であ
る。第３図は従来例の構断面図である。
２……弁棒、４……弁体、４ａ……筒状体、４
ｂ……上流側彎曲板状体、４ｃ……下流側彎曲板
状代体、４ｂ，４ｃ……弁体形成部材、６ａ，６
ｂ……弁体内空間、７ａ，７ｂ……貫通孔。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a partially omitted vertical sectional view and FIG. 2 being a horizontal sectional view. FIG. 3 is a cross-sectional view of a conventional example. 2... Valve stem, 4... Valve body, 4a... Cylindrical body, 4
b... Upstream side curved plate-like body, 4c... Downstream side curved plate-like substitute body, 4b, 4c... Valve body forming member, 6a, 6
b... Valve body space, 7a, 7b... Through holes.
Claims (1)
ある弁体形成部材４ｂ，４ｃを溶接して、周縁部
側ほど薄い中空状の弁体４を形成し、前記弁体形
成部材４ｂ，４ｃの一部に、弁体内空間６ａ，６
ｂを開放する貫通孔７ａ，７ｂを形成したバタフ
ライ弁であつて、前記弁体形成部材４ｂ，４ｃの
うち、閉弁状態で上流側流体圧を受ける上流側彎
曲板状体４ｂが盲板から成り、閉弁時に下流側流
体圧を受ける下流側彎曲板状体４ｃを、前記上流
側彎曲板状体４ｂに直接対向するように配置し、
前記貫通孔７ａ，７ｂを前記下流側彎曲板状体４
ｃにのみ形成してあるバタフライ弁。 Valve body forming members 4b and 4c, which are can-made products, are welded to the cylindrical body 4a into which the valve rod 2 is inserted and connected, to form a hollow valve body 4 that is thinner toward the peripheral edge. 4b, 4c, the valve body spaces 6a, 6
The butterfly valve is formed with through holes 7a and 7b for opening b, and of the valve body forming members 4b and 4c, the upstream curved plate-like body 4b, which receives upstream fluid pressure in the closed state, is separated from the blind plate. The downstream curved plate body 4c, which receives downstream fluid pressure when the valve is closed, is arranged so as to directly oppose the upstream curved plate body 4b,
The through holes 7a and 7b are connected to the downstream curved plate body 4.
Butterfly valve formed only in c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10082985U JPH031664Y2 (en) | 1985-07-02 | 1985-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10082985U JPH031664Y2 (en) | 1985-07-02 | 1985-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS629762U true JPS629762U (en) | 1987-01-21 |
| JPH031664Y2 JPH031664Y2 (en) | 1991-01-18 |
Family
ID=30971009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10082985U Expired JPH031664Y2 (en) | 1985-07-02 | 1985-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031664Y2 (en) |
-
1985
- 1985-07-02 JP JP10082985U patent/JPH031664Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031664Y2 (en) | 1991-01-18 |