JPS643170U - - Google Patents
Info
- Publication number
- JPS643170U JPS643170U JP9589287U JP9589287U JPS643170U JP S643170 U JPS643170 U JP S643170U JP 9589287 U JP9589287 U JP 9589287U JP 9589287 U JP9589287 U JP 9589287U JP S643170 U JPS643170 U JP S643170U
- Authority
- JP
- Japan
- Prior art keywords
- valve box
- valve
- bellows
- fluid
- inner valves
- 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
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Safety Valves (AREA)
- Valve Housings (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は同実施例の要部拡大断面図、第３図は従来の
パラレルスライド弁を示す断面図、第４図は従来
の一般的なパラレルスライド弁におけるシール部
の駆動構造を示す分解斜視図、第５図は同パラレ
ルスライド弁の開放状態を示す断面図である。
１ａ…弁箱、５…流体通路、６…内弁、１０…
クサビ機構を構成するクサビ、１１…クサビ機構
を構成する押し部材、１２…シート部材としての
シートリング、２０…ベローズ。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3 is a sectional view showing a conventional parallel slide valve, and FIG. 4 is an exploded perspective view showing a driving structure of a seal portion in a conventional general parallel slide valve. FIG. 5 is a sectional view showing the parallel slide valve in an open state. 1a...Valve box, 5...Fluid passage, 6...Inner valve, 10...
Wedge constituting the wedge mechanism, 11... Pushing member constituting the wedge mechanism, 12... Seat ring as a seat member, 20... Bellows.
Claims (1)
に設けられた一対の内弁とを具備し、駆動手段に
よつて前記内弁を移動させて弁箱の流体通路内に
設定させるように構成した弁において、前記弁箱
にベローズを設け、内弁によつて密封された弁箱
内の流体の圧力変動を該ベローズの伸縮によつて
吸収するようにしたことを特徴とする弁の圧力上
昇防止装置。 It comprises a valve box connected and communicated with piping and a pair of inner valves movably provided in the valve box, and the inner valves are moved by a driving means and set in the fluid passage of the valve box. In the valve configured as above, a bellows is provided in the valve box, and pressure fluctuations of the fluid in the valve box sealed by the inner valve are absorbed by expansion and contraction of the bellows. Pressure rise prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9589287U JPS643170U (en) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9589287U JPS643170U (en) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643170U true JPS643170U (en) | 1989-01-10 |
Family
ID=31320634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9589287U Pending JPS643170U (en) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643170U (en) |
-
1987
- 1987-06-24 JP JP9589287U patent/JPS643170U/ja active Pending