| 摘要 |
A door lock device is provided to prevent the door lock from being released or damaged when the door lock is forcedly opened. A door lock device includes a rectangular case(101), a front cover plate(103), inside and outside handles, a key assembly(130), and a slider locker(104). The rectangular case is installed on a front door. The front cover plate having an opening is installed on the front of the rectangular case. The inside and outside handles and the key assembly are operated to slide the slider locker to be locked by a locking groove of a door frame. The slider locker protrudes from and enters a locker guider(107).
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