| 摘要 |
PURPOSE: A door lock device is provided, which increases design transformation of a door lock body by integrating a mechanical mechanism of the door lock device into a case, and enables a reliable operation. CONSTITUTION: A guide axis(30) is embedded in a case and guides a straight round trip movement of a dead bolt(20). An operation axis is pivot-installed in the case adjacent to the dead bolt and also is connected to a spring, and makes a straight round trip movement of the dead bolt along a rotation operation direction of a key or a handle. A projection bundle(44) is supported by elastic force of the spring to the operation axis. An operation axis meeting lever is hinged to the operation axis and is combined or released with or from the projection bundle. A handle lever(60) is pivot-installed near to the operation axis, and is connected to the handle. An angle changing unit(70) is hinged to the operation axis meeting lever and controls the operation axis meeting lever, to transfer a meeting operation of the handle lever to the operation axis meeting lever. A dead bolt locking unit(80) is installed by being geared to a tooth shape part(43) of the operation axis and converts an unlock operation of the handle lever into an unlock rotation operation of the operation axis. And a projection bundle operation unit combines or releases the operation axis meeting lever and the projection bundle by operating the projection bundle.
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