Safe lock with logic function

The utility model discloses a safe lock with logic function, including interior handle, outer handle, breech lock and fixed block, install the shifter on the fixed block, the shifter passes through pull rod I, pull rod II and pull rod III and connects interior handle, outer handle and breech lock respectively, still install the motor drive ware on the fixed block, the motor drive ware sets up in the shifter below to make the push rod in the motor drive ware can support the shifter rotation when stretching out, the motor drive ware passes through the wire and connects the sensor. The utility model discloses novel structure, safe and reliable when high altitude construction, adopt this lock can make the hatch door locking, and inside and outside handle all can not be opened moreover, and when the lower was fallen to the hatch door, the hatch door can freely open the door through inside and outside handle, and passenger or the personal safety of operation personnel when high altitude construction have been ensured to this kind of lock, have satisfied advantages such as various high altitude construction fields vehicle -mounted lift driver's cabin or work platform guardrail security needs.