Detachable sealing structure for self-priming pump

The utility model belongs to the technical field of self-priming pumps, and relates to a detachable sealing structure for a self-priming pump, which comprises a sealing gasket arranged between a water inlet joint and a pump body, the sealing gasket is of an annular structure, and the front side end face and the rear side end face of the sealing gasket are respectively connected with the rear end face of the water inlet joint and the front end face of the pump body in a sealing mode. An annular filter screen installation groove is formed in the inner ring wall of the sealing gasket, a filter screen is detachably installed in the filter screen installation groove, the filter screen is of a circular structure and is parallel to the rear end face of the water inlet connector and the front end face of the pump body, and an inner cavity of the water inlet connector and an inner cavity of the pump body are separated through the filter screen. According to the detachable sealing structure for the self-priming pump, t