Multispeed electric control silicone oil fan clutch

The utility model relates to a multispeed electric control silicone oil fan clutch and belongs to a cooling system component of an automobile engine. The clutch comprises a transmission shaft connected with a rotary output end of an engine, a coil mounted on the transmission shaft, a rear housing and a front housing that are mounted at the other end of the transmission shaft, and a driving disc fixedly connected with the transmission shaft, and is characterized in that an inner ring of the coil is provided with a magnetism isolating ring; an armature is arranged on the inner side of the magnetism isolating ring and mounted in an inner hole of the transmission shaft; a stop block for sealing and limiting is mounted at the outer end of the armature; one end of a push rod extends into a center hole of the armature and fixedly connected with the armature; the other end of the push rod penetrates through the inner hole of the transmission shaft; a spring is arranged between the inner hole of the transmission shaft and the push rod; the end part of the other end of the push rod is fixedly connected with a valve plate; the valve plate is contacted with the spring; and a plunger matched with a valve opening formed in the driving disc is arranged on the valve plate. The clutch can automatically control the rotating speed of a fan on the clutch to achieve automatic control on cooling medium temperature, enables the operating temperature of the engine to be appropriate, can prolong the service life of the engine, saves fuel and is environment-friendly.