Centrifugal pump with improved sealing structure

The utility model discloses a centrifugal pump with an improved sealing structure. Centrifugal pump, the centrifugal pump is composed of a pump body and a motor. A bearing is mounted at one end of themotor; wherein a bearing is arranged in the pump body, one end of the bearing extends into the pump body, an impeller is installed at one end of the bearing, a clamping groove is formed in one side of the pump body, a sealing gap is formed in the edge of the clamping groove, a sealing ring is arranged in the clamping groove, a blocking piece is arranged in the sealing gap, a bearing sleeve is arranged outside the bearing, and one end of the bearing sleeve is connected with a flange through a fastener. According to the utility model, the structure is simple, a clamping groove and a sealing gapare formed in one end of a pump body; and meanwhile, the sealing ring and the blocking piece are installed in the clamping groove and the sealing gap correspondingly, the two ends of the sealing ringand the two ends of the bl