Sealing structure

The utility model relates to a sealing structure, and relates to the technical field of water pumps, the sealing structure comprises a sealing seat, a floating sealing ring is arranged in the sealing seat, the floating sealing ring comprises a ring body and a sealing pipe, the sealing pipe and the ring body are concentrically arranged and connected with each other, the sealing pipe and the ring body form an L-shaped structure, and the sealing seat and the sealing pipe are connected with each other. And the sealing pipe is sleeved on the impeller. The water pump has the advantages that the leakage amount between the floating sealing ring and the impeller is reduced, and the influence of large leakage amount on the efficiency of the water pump is reduced. 本申请涉及一种密封结构，涉及水泵的技术领域，包括密封座，所述的密封座内设有浮动密封圈，所述的浮动密封圈包括圈体和密封管，所述的密封管和所述的圈体同心设置且相连接，所述的密封管和所述的圈体形成L状结构，所述的密封管用以套设在叶轮上。本申请具有减低浮动密封圈和叶轮之间的泄漏量，减小因泄漏量较大对水泵效率的影响的优点。