Impeller abrasionproof on water pump decreases structure

The utility model discloses an impeller abrasionproof on water pump decreases structure, including motor, support and the pump body, be equipped with the shaft hole on the support, be equipped with the dead eye at the medial surface of support, the dead eye is concentric with the shaft hole, installs the bearing in the dead eye, and the inner circle through -hole of bearing and the shaft hole of support are passed to the pivot matching of motor, the internal diameter of dead eye is more than or equal to bearing inner race's external diameter, is equipped with the jump ring groove at the dead eye inner wall, a jump ring card is established at the jump ring inslot, and the effect pressure tightly that the jump ring received the inclined plane is at the outer lane of bearing top surface, be equipped with the gasket combination between the interior terminal surface of interior terminal surface of impeller and the flat axle of step, gasket combination highly be greater than the distance between terminal surface to