Automatic clutch device

The utility model provides an automatic clutch device belongs to the electric automobile transmission technology field, including drive assembly and runner assembly, the runner assembly includes brake rim and cam, the cam links to each other with the transmission shaft, drive assembly includes clutch disc, clutch disc installs on the clutch disc fixed bolster, clutch disc is fixed, and support ring places around the cam, the clutch disc fixed bolster links to each other with the one end of spring, the other end of spring links to each other with spring fixing pin, spring fixing pin is located the fixed plate, the hookup location that the hookup location of the fixed sheath of spring and spring compares spring and clutch disc fixed bolster is close to the cam, the clutch disc fixed bolster is installed on the fixed plate, the fixed plate is installed on the transmission shaft. The utility model discloses a mechanical structure controls the clutch, and the cost of equipment is few, and maintenance cost is cheap