Clutch device for intelligent lock

The clutch device comprises a shell, an inclined tongue, a main spring bolt, a driving gear, a square steel connecting seat and a motor are arranged in the shell, the square steel connecting seat is rotationally arranged in the shell, a square steel hole is formed in the square steel connecting seat, the driving gear is in transmission connection with the main spring bolt, the inclined tongue is arranged on the shell in a sliding mode, and the motor is arranged on the main spring bolt. The latch bolt is in transmission connection with the square steel connecting seat, a clutch shifting piece and a clutch sleeve piece are arranged between the square steel connecting seat and the motor, the clutch shifting piece is rotationally arranged on the shell, the motor is in transmission connection with the driving gear through a transmission gear, an output shaft of the motor is a square shaft, and the clutch sleeve piece is arranged on the output shaft of the motor in a sliding and sleeving mode. A positioning groove