Waterproof structure of bearing seat of rotating disc aerator

The utility model discloses a waterproof structure of a bearing seat of a rotating disc aerator. The waterproof structure comprises a bearing pedestal, a rotating shaft rotationally connected to the bearing pedestal, a rotating disc arranged on the rotating shaft and a waterproof cover with a shaft hole in the middle, the waterproof cover is arranged on the rotating shaft and located between the rotating disc and the bearing pedestal, and a plurality of flow guide grooves radiating outwards from the center of the waterproof cover are formed in the side, away from the bearing pedestal, of the waterproof cover. The bearing pedestal is simple in structure and good in waterproof effect, mixed liquid can be effectively prevented from entering the bearing pedestal along the rotating shaft, and lubricating grease deterioration and bearing corrosion damage are avoided. 本实用新型公开了一种转碟曝气机轴承座防水结构，包括轴承座、转动连接在轴承座上的转轴、设置在转轴上的转碟，还包括中间带有轴孔的防水罩，所述防水罩设置在转轴上并位于转碟与轴承座之间，所述防水罩远离轴承座的一侧设置有若干个从防水罩中心向外辐射的导流槽。本实用新型结构简单，防水效果好，能够有效阻止混合液沿转