Sealing and fixing tool for valve element of pressure reducing valve

The utility model relates to the technical field of fixing tools, and discloses a sealing and fixing tool for a valve element of a pressure reducing valve. The sealing and fixing tool for the valve element of the pressure reducing valve comprises a base, a supporting frame is arranged on the top wall of the base, a supporting pipe is arranged on the inner wall of the supporting frame, supporting rods are evenly arranged on the outer wall of the supporting pipe, and fixing blocks are arranged at the other ends of the supporting rods; according to the scheme, through cooperation of the base, the supporting frame, the supporting pipe and other devices, a valve element can be conveniently fixed and clamped through the device, the situation that the valve element is loosened and falls off due to sealing operation is avoided, and machining of the valve element is facilitated; and the limiting gear, the limiting tooth block, the supporting pipe and other devices are arranged and matched, so that the valve element ca