Last adjustment mechanism of security door lock

The utility model discloses a last adjustment mechanism of security door lock, panel including two relative settings, be equipped with locking device between two panels, locking device is including locking board and sleeve, be equipped with the locking port who corresponds with sleeve on the locking board, sleeve inserts and establishes at the locking inboard, two panels are run through respectively at sleeve's both ends, it runs through the mouth to be equipped with on the locking board, it has the connecting rod to run through a mouthful interior through connection, the fixed spacing ring that has cup jointed on the connecting rod, be equipped with the spacing groove that corresponds with the spacing ring on the inside wall that runs through mouthful, the both ends of connecting rod are run through two panels respectively and are connected the handlebar hand, be equipped with the lock core in the sleeve, be fixed with first connecting seat on the lock core, sleeve is last to be equipped with smooth mouthful