Thin oil lubrication sealing mechanism

The utility model provides a thin oil lubrication sealing mechanism, belongs to non -contact labyrinth?seals technical field. This sealing mechanism includes bearing cover, bearing box, bearing, pump shaft and lag, and lag and bearing cover cooperate and constitute one and return oily structure and one and return the water structure. The lag adopts set screw to fix on the pump shaft, returns oily structure and contains to turn to with the pump shaft and opposite spirally return oil groove, oil trap, return the oilhole, returns the water structure and contains to turn to with the pump shaft and the same spirally return the basin, collect the chamber, return water hole, blade, and the blade setting is on returning oily structure and return the lag between the water structure, return the oil groove and return the basin setting on the lag, the oil trap with collect the chamber and set up on bearing cover. This sealing mechanism is close to bearing end processing spiral at the lag and returns the oil groove, is cl