Rainwater and sewage diversion well capable of preventing backflow

The utility model discloses an anti-backflow rain and sewage diversion well, and relates to the technical field of intercepting wells. According to the technical scheme, the rainwater intercepting well is characterized by comprising an intercepting well body and a rainwater pipe communicated with the intercepting well body, a containing box is fixedly connected to the side wall of the intercepting well body, a baffle used for sealing the rainwater pipe is rotationally connected into the rainwater pipe, and a connecting rod penetrating out of the rainwater pipe is fixedly connected to the peripheral wall of the baffle; a ratchet wheel fixedly connected with the connecting rod is rotationally connected into the containing box, a pawl detachably connected with the peripheral wall of the ratchet wheel is rotationally connected into the containing box, a driving part fixedly connected with the pawl is arranged in the containing box, and when rainwater flows backwards, the driving part drives the pawl to be connect