Mechanical coded lock with secondary management function

The utility model relates to a mechanical coded lock with a secondary management function. Wherein the hand torsion shaft is installed on a lock seat, the hand knob control assembly and the blade assembly are arranged on the two sides of the hand torsion shaft respectively, and the lock is characterized in that the hand knob control assembly comprises a hand knob, a password dial and a clutch structure arranged between the hand knob and the password dial, and the hand knob and the password dial are of independent structures; a key hole is formed in the end of the hand knob, and a lock cylinderdriven by an external key to twist is arranged in the hand knob. The clutch structure comprises a lock shifting block at the end of the lock cylinder and a coding switch driven and controlled by thelock shifting block. And the coding switch is provided with a slot matched with the lock shifting block and a clutch tooth part meshed with the inner gear ring of the password dial. The lock is reasonable and simple in structu