Novel butterfly valve is adjusted to handle

The utility model relates to an adjust the butterfly valve, relate to a novel butterfly valve is adjusted to handle, include disk seat, positioning seat, case, rotate cassette, loose axle, pull handleand spring, fixed mounting has the seal cover in the disk seat lower extreme centre bore, be equipped with valve core installation hole on the disk seat perpendicularly, valve core installation holeruns through disk seat centre bore and seal cover, disk seat upper end fixedly connected with positioning seat, the positioning seat center is equipped with the through -hole to the through -hole is corresponding with valve core installation hole, fixedly connected with ARC vertical plate on the positioning seat outer lane, the ARC vertical plate top is equipped with the draw -in groove, install the case in valve core installation hole and the seal cover centre bore, fixedly connected with rotation axis on the case, the through -hole is run through to the rotation axis upper end to the rotatory cassette of fixedly conn