Actuating mechanism for automatically and accurately switching gears of transfer case

The utility model discloses an actuating mechanism capable of automatically and accurately switching gears of a transfer case. The utility model belongs to the technical field of accessories for vehicles, and relates to a motor casing, which comprises a casing and a motor mounted at one end of the casing, and is characterized in that a worm is arranged on a rotating shaft of the motor, a cavity isarranged in the casing, a mounting shaft is arranged in the cavity, and a worm gear is mounted on the mounting shaft and matched with the worm which is connected with a connecting end of a driving transfer case. The device further comprises a detector for detecting the rotation condition, the detector comprises a magnetic ring and a magnetic induction sensor for detecting signals of the magneticring, the magnetic ring is formed by alternately arranging N poles and S poles, and the magnetic induction sensor controls starting and stopping of the motor. The mechanism is in driving connection with the connecting end of t