DOOR LOCK HAVING SEPARABLE STRUCTURE OF KEYBOARD INCLUDING MAIN CIRCUIT

摘要

PURPOSE: A door lock where a keyboard having a main circuit is capable of being separated from an outdoor unit by forming a separable structure of the keyboard and the outdoor unit. CONSTITUTION: A door lock includes a door frame, a keyboard(22) installed at one side of the door frame, an indoor unit(16), an outdoor unit(18), and an opening/shutting unit(20) having a first insertion holder element and a second insertion holder element. A keyboard is coupled to the outdoor unit or is decoupled from the outdoor unit. A first switch(34) is electrically connected between the outdoor unit and the keyboard. A locking member is installed at one of the keyboard and the outdoor unit in order to lock a coupling state between the keyboard and the outdoor unit.