Rain and sewage diversion device

The utility model relates to a rain and sewage diversion device based on meteorological condition driving. The device comprises a rain collecting field, an automatic water inlet and outlet system, a water collecting tank, a floating ball, a floating ball transmission system, a turning transmission system and a gate (valve) opening and closing system of a channel or a pipeline. A drain pipe is arranged at the bottom of the water collecting tank, an automatic water inlet and outlet system capable of opening and closing the drain pipe is arranged on the drain pipe, the rain collecting field is communicated with the water collecting tank and the automatic water inlet and outlet system through water conduits, and the floating ball is arranged in the water collecting tank and connected with thegate (valve) opening and closing system through a floating ball transmission system and a turning transmission system. The rainwater collecting device is wide in application range, and can solve the problems of automatic spli