Double -valve -base governing valve structure of anti -sticking plucked instrument

The utility model discloses a double -valve -base governing valve structure of anti -sticking plucked instrument, including valve body and valve rod, and install the disk seat on the valve body and beused for valve rod and valve body to seal and fixed position's uide bushing by supreme down, install the case that is used for mutually supporting with the disk seat, open or close the governing valve on the valve rod, still be equipped with the recess on the lower tip of valve rod, be equipped with the guide bearing in the recess, the bottom of valve body still is equipped with the bottom end cover, be equipped with the first guide way that matches each other with the valve rod on the bottom end cover, be equipped with the second guide way that matches each other with the guide bearing in the first guide way, this double -valve -base governing valve structure of anti -sticking plucked instrument has the advantage that simple structure is reasonable, can effectively prevent governing valve card plucked instrument