| 摘要 |
A button type automatic locking device for a window is provided to operate smoothly and naturally by improving the working mechanism of an automatic locking device which locks or unlocks a window automatically, and to improve the function of crime prevention by forming locking units to two sides of a working unit. A button type automatic locking device(100) for a window is locked to a strike(2) automatically and unlocks a window automatically when pressing a button by holding a main body of the automatic locking device for opening a window. The automatic locking device comprises a working unit, and locking units formed on two sides of the working unit, wherein a working pin(220) is installed to the main body of the working unit to be drew out from the main body by pressing the button. The locking unit includes a first housing(310) of the center corresponding to the working unit and a second housing(340) installed at a certain distance from two sides of the first housing, wherein a sliding block(320) is installed to the inside of the first housing to be slid and attached with a roller(321) contacted with the working pin on one end adjacent to a guide pin to be rotative and a spring(322) installed between the sliding block and the housing to supply restoring force to the sliding block, a working bar(330) is installed to make one end connected to the sliding block and the other end moved in the second housing and attached with a moving pin(331) to move an unlocking block, and an unlocking block(350) is installed to the inside of the second housing to be movable, suspended on a hanging end of a locking cam(360) to keep the locking cam locked and separated from the hanging end to unlock the locking cam. |
