DOOR-LOCK APPARATUS

摘要

Provided is a door-lock apparatus. In the door-lock apparatus which minimizes a loss of a driving force due to a lateral pressure of a thumb-turn gear and a thumb-turn rotating body or an assembling structure of the thumb-turn rotating body and also minimizes a load of a manual operation through the thumb-turn rotating body or the assembling structure of the thumb-turn rotating body, a groove serving as an idle section of a driving force is formed at the thumb-turn rotating body or the assembling structure of the thumb-turn rotating body, and when a lever (or knob) is manually rotated to lock or unlock a lockset of the door-lock apparatus, the manual rotation of the lever (or knob) for locking or unlocking of the lockset separately from a driving motor is smoothly realized with a small force, and also a load of the driving motor is minimized.

主权项

1. A door-lock apparatus comprising:
a thumb-turn gear comprising a gear part formed on a circumference thereof and configured to be rotated by a driving motor; and a thumb-turn rotating body configured to be rotated by the thumb-turn gear to lock and unlock a lockset, wherein the driving motor comprises a first driving motor and a second driving motor, and, wherein the first driving motor is provided on a first position and the second driving motor is provided on a second position opposite to the first position with respect to a center of the thumb-turn gear to increase a rotating force of the thumb-turn gear, and the first and second driving motors are gear-engaged with the gear part of the thumb-turn gear.