Earthquake induction automatic shut-off valve and gas system
An automatic closing and valve technology, applied to valve details, valve devices, engine components, etc., can solve problems such as power grid paralysis, control of oil or gas pipelines, and closure of oil or gas pipelines that are too late
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[0053] Please refer to figure 1 , the present embodiment provides an earthquake-sensing automatic closing valve 100 (hereinafter referred to as valve), which is in a normally open state and mainly includes a fixed frame 180, a valve body 110, a valve core 120, a pulling mechanism 140, a locking mechanism 150, an unlocking Mechanism 160 and Seismic Sensing Mechanism 170. Fixture 180 is used to fix other parts on the foundation, spool 120 is positioned at valve body 110, and pulling mechanism 140 is used for pulling spool 120 to close automatic closing valve; Locking mechanism 150 is used for locking pulling mechanism 140, makes earthquake When it does not happen, the pulling mechanism 140 cannot pull the spool 120; when an earthquake occurs, the earthquake sensing mechanism 170 unlocks the locking mechanism 150 through the unlocking mechanism 160. At this time, the pulling mechanism 140 pulls the spool 120 to automatically close the valve.
[0054] Specifically, please refer t...
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