| 摘要 |
A door lock having a large handle is provided, in which the door lock includes an inner lock portion, an outer lock portion and a lock bolt. The outer lock portion includes a transmission case and a cover, which define a receiving space therein for receiving an inner actuating plate engaged with an inner transmission wheel, and an outer actuating plate engaged with an outer transmission wheel. When the inner actuating plate moves upward, the outer actuating plate is caused to move upward, driving the outer transmission wheel to rotate counterclockwise. When the inner transmission wheel rotates counterclockwise, the outer transmission wheel is caused to rotate counterclockwise. When the key button is pushed downward, the outer actuating plate is caused to move upward, driving the outer transmission wheel to rotate counterclockwise. When the outer transmission wheel rotates counterclockwise, the lock bolt is caused to retract to unlatch the door.
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