Ball valve fixed axle structure with adjustable antifriction

The utility model relates to a ball valve fixed axle structure with adjustable antifriction, spheroid lower extreme middle part vertical coaxial rotation install on the lower valve rod, and the lower valve rod is used for supporting the spheroid, and the vertical system in lower valve rod upper end middle part has a counter bore, and coaxial arrangement has a nail in this counter bore, and in a nail embedding counter bore and nail upper end is higher than the counter bore, and the nut of a nail is the bellied sphere structure that makes progress, radial system has a radial screw hole on the lower valve rod of nail one side, installs a holding screw at radial threaded hole, and this holding screw's one end is impressed and is compressed tightly a nail in the counter bore and prevent that the nail from rotating, and holding screw's the other end does not exceed the lower valve rod lateral wall. The utility model discloses compensate the axial error that the product Assembly in-process produced, improved assembly efficiency, improved product Assembly efficiency, improved the product percent of pass moreover.