Valve seat detacher for plunger pumps

The utility model provides a valve seat detacher for plunger pumps, which belongs to a tool. The valve seat detacher is provided with a screw rod, wherein the upper part of the screw rod is screwed in a sleeve, which is provided with a handle; the screw rod is ringed by a steadier which is positioned under the sleeve; the lower end of the screw rod is screwed in a transverse plate; and bolts are respectively screwed in both ends of the transverse plate. The valve seat detacher is characterized by simple and reasonable structure and convenient use, a detached valve seat can be steadily stressed, the detaching efficiency and the operation safety can be greatly increased, and the damage of the valve seat and the injury of operators can be avoided.