Sealed marine effectual water pump

The utility model provides a sealed marine effectual water pump, including work motor, shaft coupling, motor cabinet, connecting rod, pump case, sealed retainer plate structure, seal flange plate structure, dampproofing seat structure, mount pad, rust -resistant cover, bearing, seal cover, connecting axle, pump leaf and water receiving box, work motor bolted connection at the upper end of motor cabinet intermediate position, the upper end of connecting rod weld the lower extreme left and right sides at the motor cabinet respectively. The utility model discloses arc -shaped seat, sponge ring and leakage -proof ring's setting, the junction that is favorable to preventing connecting axle and pump case leaks, mounting flange, the setting of peg graft pipe and sealing washer, the junction thatis favorable to preventing pump case outside pipeline leaks, the mount pad is corroded in the setting of fixing base and guard plate after being favorable to preventing to leak, fixing base and moisture -proof pad's setting i