Water pump pressure device

The invention relates to the technical field of water pumps, in particular to a water pump pressure device. The water pump pressure device comprises a water pump body, the lower end of the water pumpbody is provided with a water suction connector, and the upper end of the water pump body is provided with a water drainage connector; the water drainage connector is internally provided with a vertically-through first channel, and the upper end of the water pump body is correspondingly provided with a water outlet matched with the first channel; a connection block is fixedly arranged at the upperend of the water drainage connector and internally provided with a transition cavity communicating with the first channel; the upper end of the connection block is fixedly provided with a drainage pipe of which the end is provided with a thread, and the upper end surface of the connection block is provided with a transverse plate; and a plurality of flow passing holes communicating with the interior of the drainage pipe a