Sleeve plate inductive structure of lock

The utility model discloses a sleeve plate inductive structure of a lock, which comprises a sleeve plate, a rotating assembly, a support plate and a microswitch, wherein the rotating assembly is provided with a first part and a second part and mounted on the sleeve plate; the support plate is mounted on the sleeve plate; and the microswitch is provided with a touch part and mounted on the support plate. When the rotating assembly is in a non-actuated position, the touch part of the microswitch is aligned with the first part of the rotating assembly; and when the rotating assembly is in an actuating position, the second part of the rotating assembly actuates the touch part of the microswitch, so as to detect that whether the handle is rotated or not.