Modified-type silicon oil fan clutch

The utility model discloses a modified-type silicon oil fan clutch comprising a front cover and a rear shell, a pin shaft, a driving shaft, a driving plate, a baffle and a valve piece, wherein the front cover is provided with an oil-storing cavity and a work cavity, the pin shaft is arranged at the center of the front cover, the driving shaft is connected with the rear shell through a bearing, the driving plate is connected to the driving shaft, the baffle is provided with an oil outlet hole, and the valve piece controls opening and closing of the oil outlet hole. The front cover is provided with an oil-returning channel, two ends of the oil-returning channel are respectively communicated with the oil-storing cavity and the work cavity, and the rear shell and the driving plate are meshed with each other through a tooth groove structure. The baffle is arranged on the front cover, the valve piece is arranged on the rear end of the pin shaft, and the depth of the tooth groove of the tooth groove structure in the