Press-fit tool for valve body assembly

The utility model discloses a press-fit tool for a valve body assembly. The press-fit tool aims to solve the problems that an existing press-fit tool is complex in operation, large in assembly error and low in assembly yield. The tool comprises a tool body, a positioning mechanism installed on the tool body and a limiting mechanism. The tool body comprises a bottom plate, a limiting plate and a plurality of guide columns, the guide columns are evenly fixed in the circumferential direction of the bottom plate, the limiting plate is fixedly arranged on the guide columns and located at the upper end of the bottom plate, a first through hole is formed in the center of the limiting plate, and the limiting plate moves up and down relative to the bottom plate through the guide columns; the positioning mechanism is divided into a valve body positioning mechanism and a gear shaft positioning mechanism, the limiting mechanism comprises a height limiting column fixedly arranged on the upper surface of the bottom plate,