Two eccentric butterfly valves of soft seal that assembly structure simplifies

The utility model relates to a two eccentric butterfly valves of soft seal that assembly structure simplifies mainly includes the valve body, and the interior disk seat of installing of the eccentricside latus rectum of valve body with the soft sealing connection's of disk seat valve plate, runs through the valve shaft of valve body, valve plate installation and crouches and adorn the sealed clamping ring of compression valve seat in valve body off -centre side latus rectum, its characterized in that sealed clamping ring its side along setting up a pair of overhanging cylindric lock radiallyrelatively, correspond on the eccentric side latus rectum face of valve body and being equipped with the dress that crouches overhanging cylindric lock and rather than clearance fit's pin annular groove be equipped with the opening that inserts that extends to the eccentric side end face of valve body on the cell wall that pin annular groove and overhanging cylindric lock correspond, sealed clamping ring through by it is c