JPH0254975U - - Google Patents
Info
- Publication number
- JPH0254975U JPH0254975U JP13450188U JP13450188U JPH0254975U JP H0254975 U JPH0254975 U JP H0254975U JP 13450188 U JP13450188 U JP 13450188U JP 13450188 U JP13450188 U JP 13450188U JP H0254975 U JPH0254975 U JP H0254975U
- Authority
- JP
- Japan
- Prior art keywords
- main valve
- valve
- small
- valve seat
- cage
- 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 1
Landscapes
- Sliding Valves (AREA)
Description
第１図ないし第４図は本考案に係る弁装置の実
施例を示し、第１図は全閉状態で示す弁装置の縦
断面図、第２図は小弁の開放状態で示す弁装置の
縦断面図、第３図は主弁の開放状態で示す弁装置
の縦断面図、第４図は本考案の他の実施例を第１
図に対応して全閉状態で示す弁装置の縦断面図、
第５図は従来の弁装置の縦断面図である。
２０……ケージ、２０ａ……孔、２０ｂ……主
弁座、２１ｂ，２１ｄ，２４ｅ，２４ｆ……通孔
、２１……主弁、２１ａ……小弁座、２２……バ
ツクシート、２３，２５，２７，２８……環状空
間部、２４……小弁、２４ａ……上側小径部、２
４ｂ……大径部、２４ｃ……下側小径部、２４ｄ
……貫通孔。
1 to 4 show an embodiment of the valve device according to the present invention, FIG. 1 is a vertical sectional view of the valve device shown in a fully closed state, and FIG. 2 is a longitudinal sectional view of the valve device shown in a small valve open state. 3 is a longitudinal sectional view of the valve device with the main valve in an open state, and FIG. 4 is a longitudinal sectional view of another embodiment of the present invention.
A longitudinal sectional view of the valve device shown in the fully closed state corresponding to the figure,
FIG. 5 is a longitudinal sectional view of a conventional valve device. 20... Cage, 20a... Hole, 20b... Main valve seat, 21b, 21d, 24e, 24f... Through hole, 21... Main valve, 21a... Small valve seat, 22... Back seat, 23, 25 , 27, 28... annular space part, 24... small valve, 24a... upper small diameter part, 2
4b...Large diameter part, 24c...Lower small diameter part, 24d
...through hole.
Claims (1)
主弁座に着座部を臨ませケージの内孔に進退自在
に嵌合された円筒状の主弁と、この主弁の内部に
形成された小弁座と、この小弁座に着座部を臨ま
せ前記主弁の内孔に進退自在に嵌合された小弁と
を備え、この小弁を開くことにより前記主弁の軸
方向両側の室を連通させるように構成した弁装置
において、前記小弁の前記主弁との嵌合部に反主
弁座側が大径の段差部を設け、この段差部で囲ま
れた環状空間部と、前記主弁、ケージ間に上流側
管路に連通させて設けた環状空間部とを通孔で連
通させたことを特徴とする弁装置。 A main valve seat formed at the end of the inner hole of the cage, a cylindrical main valve whose seating part faces the main valve seat and is fitted into the inner hole of the cage so that it can move forward and backward, and inside the main valve. A small valve seat is formed, and a small valve is fitted into the inner hole of the main valve so as to be able to move forward and backward, with the seating portion facing the small valve seat, and by opening the small valve, the shaft of the main valve In a valve device configured to communicate chambers on both sides in a direction, a step portion having a larger diameter on the side opposite to the main valve seat is provided at a fitting portion of the small valve with the main valve, and an annular space surrounded by the step portion. and an annular space provided between the main valve and the cage in communication with an upstream pipe line through a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134501U JPH0740776Y2 (en) | 1988-10-17 | 1988-10-17 | Valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134501U JPH0740776Y2 (en) | 1988-10-17 | 1988-10-17 | Valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0254975U true JPH0254975U (en) | 1990-04-20 |
| JPH0740776Y2 JPH0740776Y2 (en) | 1995-09-20 |
Family
ID=31393314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988134501U Expired - Fee Related JPH0740776Y2 (en) | 1988-10-17 | 1988-10-17 | Valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740776Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101513088B1 (en) * | 2014-04-15 | 2015-04-21 | 주식회사 코밸 | A control valve for cryogenic high pressure gas which having double plug structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101667593B1 (en) * | 2015-04-10 | 2016-10-20 | 주식회사 코밸 | A control valve for cryogenic high pressure gas which having reinforced sealing member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840177U (en) * | 1971-09-14 | 1973-05-21 | ||
| JPS62172864U (en) * | 1986-04-24 | 1987-11-02 |
-
1988
- 1988-10-17 JP JP1988134501U patent/JPH0740776Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840177U (en) * | 1971-09-14 | 1973-05-21 | ||
| JPS62172864U (en) * | 1986-04-24 | 1987-11-02 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101513088B1 (en) * | 2014-04-15 | 2015-04-21 | 주식회사 코밸 | A control valve for cryogenic high pressure gas which having double plug structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740776Y2 (en) | 1995-09-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |