JPS6249078U - - Google Patents
Info
- Publication number
- JPS6249078U JPS6249078U JP13943485U JP13943485U JPS6249078U JP S6249078 U JPS6249078 U JP S6249078U JP 13943485 U JP13943485 U JP 13943485U JP 13943485 U JP13943485 U JP 13943485U JP S6249078 U JPS6249078 U JP S6249078U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- gas flow
- spring
- valve seat
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
Landscapes
- Temperature-Responsive Valves (AREA)
- Safety Valves (AREA)
- Regulation And Control Of Combustion (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図はガスメータの一部断面した正面図、第２図は
しや断装置とガス流入口との関係を示す縦断側面
図、第３図はしや断装置の縦断正面図である。
８……ガス流通路、９……しや断装置、１０…
…弁座、１２……弁体、１３……自己保持形ソレ
ノイド、１６……スプリング、１７……形状記憶
合金ばね。
The drawing shows one embodiment of this invention.
2 is a longitudinal sectional side view showing the relationship between the sheath cutting device and the gas inlet, and FIG. 3 is a longitudinal sectional front view of the sheath cutting device. 8...Gas flow path, 9...Shrinking device, 10...
... Valve seat, 12 ... Valve body, 13 ... Self-holding solenoid, 16 ... Spring, 17 ... Shape memory alloy spring.
Claims (1)
弁座に対して接離自在で上記ガス流通路を開閉す
る弁体と、この弁体を閉弁方向に付勢するスプリ
ングと、このスプリングの付勢力に抗して弁体を
開弁方向に保持するとともに地震発生時、ガス漏
れ発生時などの異常時にこれらの感知器から入力
される作動信号によつて保持力が解除される自己
保持形ソレノイドと、上記弁体に設けられ周囲の
温度やガス流通路を流通するガス温度が設定値以
上に上昇したとき伸長して上記弁体を自己保持形
ソレノイドから引き離す形状記憶合金ばねとを具
備したことを特徴とするしや断装置。 a valve seat provided in a gas flow passage; a valve body that faces the valve seat and is movable toward and away from the valve seat to open and close the gas flow passage; and a spring that biases the valve body in a valve closing direction; The valve body is held in the valve opening direction against the urging force of this spring, and the holding force is released by actuation signals input from these sensors in the event of an abnormality such as an earthquake or gas leak. a self-holding solenoid; and a shape memory alloy spring provided on the valve body that expands to separate the valve body from the self-holding solenoid when the ambient temperature or the temperature of the gas flowing through the gas flow path rises above a set value. A shredder cutting device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13943485U JPS6249078U (en) | 1985-09-13 | 1985-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13943485U JPS6249078U (en) | 1985-09-13 | 1985-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6249078U true JPS6249078U (en) | 1987-03-26 |
Family
ID=31045333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13943485U Pending JPS6249078U (en) | 1985-09-13 | 1985-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6249078U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5916667A (en) * | 1982-07-19 | 1984-01-27 | Toshiba Corp | Plasma arc welding method |
-
1985
- 1985-09-13 JP JP13943485U patent/JPS6249078U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5916667A (en) * | 1982-07-19 | 1984-01-27 | Toshiba Corp | Plasma arc welding method |