Centrifugal pump rotor disk end seal structure

The utility model discloses a centrifugal pump rotor disk end seal structure, a serial communication port, include: the pump body, rotor, plane sealing ring and countersunk screw, rotor swing joint in the pump body, the rotor be equipped with impeller and threaded connection in the bearing end nut of rotor, the plane sealing ring by countersunk screw inlays and is fixed in the pump body and/or the impeller, the adjustment the bearing end nut can be adjusted the axial distance of rotor, and then it is sealed to obtain corresponding end clearance. The utility model provides a centrifugal pump rotor disk end seal structure, accessible adjusting block end nut adjust the axle clearance of rotor and then the clearance between adjustment impeller and the plane sealing ring to can obtain not have sealed, single sealing, three kinds of seal structure of double containment, satisfy the operating mode of centrifugal pump under different medium, guarantee that the high -efficient of pump moves. 本实用新型公开了种离心泵叶轮端面密封结构，其特征在于