Lining silicon nitride ceramic wear-resistant black water angle type regulating valve with labor-saving function

The utility model discloses a silicon nitride ceramic lining wear-resistant black water angle type regulating valve with a labor-saving function, which comprises a regulating valve body, a water inlet pipe is arranged on one side of the regulating valve body, a fixing seat is arranged on the adjacent side, close to the water inlet pipe, of the regulating valve body, and a handle is arranged on one side of the fixing seat; the connecting grooves are formed in the surface of the handle, the connecting grooves are symmetrically distributed about the center line of the handle, pull grooves are formed in the two sides of each connecting groove, a rotating rod is arranged in each connecting groove, and one end of each rotating rod is movably connected with the corresponding connecting groove; and the limiting block is fixed on the inner wall of the connecting groove. According to the wear-resisting black water angle type adjusting valve with the labor-saving function and the lining silicon nitride ceramic, the rota