Multi-bead linkage pin tumbler lock cylinder and lock thereof

The multi-bead linkage pin tumbler lock cylinder comprises a key, a lock shell, an outer lock container, a double-opening pulling assembly and an inner lock container, a linkage sliding block is further arranged on the side face of a key hole, matched with the key, in the outer lock container or the inner lock container, and a protruding foot and a limiting block are arranged on the inner side of the linkage sliding block in a protruding mode. The linkage sliding block is further sleeved with a sliding block spring pushing the linkage sliding block to make contact with the side face of the key. A rectangular hole is formed in the position, corresponding to the protruding foot of the linkage sliding block on the outer lock container or the inner lock container, of the key, an eccentrically-swinging circular ring ball is installed in the rectangular hole, and a sliding block positioning pin is arranged on the outer lock container or the inner lock container corresponding to the protruding foot on the linkage sl