Clutch for intelligent lock and clutch lock cylinder of clutch

The utility model provides a clutch for an intelligent lock and a clutch lock cylinder of the clutch. The clutch comprises a shell, a motor, a push block, a direction stop piece, a direction stop spring and a clutch shaft. The clutch shaft comprises a lock cylinder connecting column, a direction clutch platform, a clutch platform connecting column and a switch clutch platform. The shell comprises a base and an upper cover which are connected with each other in a covering mode. The motor, the push block, the direction stop piece and the direction stop spring are installed in the shell. The rear end of the shell is provided with a stop sheet mounting groove, and the stop sheet mounting groove is provided with an opening at the end surface of the rear end of the shell; the direction stop piece is connected into the stop piece installation groove through a direction stop spring and can elastically stretch out and draw back in the axial direction. The transmission structure of the clutch is greatly optimized, the