Upper and lower end pin structure of hemisphere of upper assembling type ball valve

The utility model relates to an upper and lower end pin structure of hemisphere of upper assembling type ball valve. The case moves the complicated problem that does not just suit to be arranged in having the medium of magazine of structure on the whole down when mainly having solved present two board -like ball valve and opening and close. Include the spheroid structure that is become by the two halves ball set, the hemisphere upper end is equipped with the bellied first flange that makes progress around segment through -hole and the segment through -hole, plants in the segment through -hole in a conversion piece upper end, and the hemisphere lower extreme is equipped with convex second flange, respectively is equipped with one on two first flanges of hemisphere and goes up the round pin axle, respectively is equipped with a round pin axle down on the second flange, goes up the round pin axle and sells axle head portion under and all be equipped with the ring channel. This upper and lower end pin structure o