| 摘要 |
PURPOSE: A door lock device is provided to simplify an internal structure of the door lock device and to precisely transfer power by coupling a manual lever to one end of a rotating shaft. CONSTITUTION: A door lock device includes an external handling section(110), an internal handling section(150), and a latch assembly(170). A motor is fixedly accommodated in the internal handling section(150). A rotating movement of the motor is converted into a linear movement of a release driving section of the latch assembly(170) through a power transmission device, so that a door(200) is locked or unlocked. The power transmission device includes a first pinion, which is coupled to a driving shaft of the motor, and a second pinion integrally formed with a coupling section and coupled to a manual lever(151) of the internal handling section(150).
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