Fire pump with good sealing performance

The fire pump with the good sealing performance comprises a pump body and a fire hose, a motor is installed at the outer end of the pump body, a water outlet pipe communicated with an inner cavity is fixedly connected to the outer end of the pump body, a connecting ring matched with the water outlet pipe is installed at one end of the fire hose, the outer side of the water outlet pipe is sleeved with an outer ring, and the outer ring is fixedly connected with the pump body; according to the scheme, the fire hose and the pump body can be rapidly connected through clamping connection of the positioning groove and the positioning block, compared with an existing threaded connection mode, the connection speed can be effectively increased, the connection success rate can be increased, precious rescue time can be saved, multi-layer protection can be formed through arrangement of the multiple sealing assemblies, and the service life of the fire hose is prolonged. The sealing performance of connection between the fir