Novel anti-theft automobile lock cylinder with protection function

The utility model belongs to the technical field of automobile lock cylinders, and particularly relates to a novel anti-theft automobile lock cylinder with a protection function, which comprises a lock core and a lock shell, a surface cover is arranged above the lock core, a rear buckle pin is movably mounted on the upper side of an inner cavity of the lock core, a rear buckle is mounted on the outer side of the rear buckle pin in a sleeving manner, and the lock shell is fixedly connected with the lock core. A rear buckle spring is connected between the rear buckle and the inner cavity of the lock core; a square hole corresponding to the rear buckle is formed in the body of the surface cover; a locking groove is formed in the outer side of a body of the lock cylinder, a row piece is inserted into the inner side of the locking groove, and a row piece spring is connected between the row piece and the cavity wall of an inner cavity of the locking groove. According to the anti-theft lock, the lock core is protect