Sewage diversion device capable of collecting rain and discharging sewage in sunny days

The utility model relates to the technical field of sewage diversion, in particular to a sewage diversion device capable of collecting sewage from sunny days and rain days, which improves the sewage treatment stability, reduces the operation work, lowers the cleaning and maintenance cost and increases the use convenience. Comprising a confluence channel, a blow-off pipe, a spring door shaft and a spring gate, and the spring gate is rotationally installed at a water outlet of the confluence channel through the spring door shaft; the bottom end of the supporting frame is installed at the top end of the confluence channel, the first bearing is installed in a shaft hole in the top end of the supporting frame, the crankshaft is coaxially connected with the first bearing in a matched mode, and the sliding rail is installed in a channel cavity of the confluence channel in a matched mode. The bottom end of the swing frame is installed at the top end of the scraper, the crankshaft is slidably connected with an inner g