Lever type safety lock core

A lever type safety lock core is characterized in that a strip-shaped groove is formed in the inner ring of a lock core outer ring; a strip-shaped lock core outer ring clamping key is fixedly connected to the interior of the strip-shaped groove; a groove is formed in the strip-shaped lock core outer ring clamping key; a magnet is embedded in the groove; a slot is formed in a lock core inner ring and in the position corresponding to the groove of the strip-shaped lock core outer ring clamping key; a swing clamping key is hinged to the exterior of the slot; one end of the swing clamping key is matched with the magnet and is attracted by the magnetic force of the magnet to be in an inclined state; the other end of the swing clamping key is matched with a key; in a locking state, the edge of the groove formed in the inner ring of the lock core outer ring is propped against the edge of the swing clamping key which is attracted by the magnetic force of the magnet to be in an inclined state, and when the key pushes