1results about How to "Simple and elegant structure" patented technology

The utility model discloses a kind of unlocking structure of door lock, including door lock panel and knob assembly, the knob assembly includes the knob seat fixed on door lock panel and the unlocking knob rotationally arranged on knob seat, the locking spring being provided on the knob seat, the lower end portion of the locking spring and knob seat abut, and its upper end portion and the lower end surface of unlocking knob abut;The lower end portion of the unlocking knob is connected with the linkage shaft connected with lock cylinder, the outer lateral wall of this linkage shaft is provided with limit lug, the door lock panel is provided with the limit slot compatible with limit lug, the locking spring drives limit lug and limit slot cooperation, linkage shaft is locked on door lock panel;So that people cannot be unlocked by rotating unlocking knob and driving lock cylinder;Prevent children in door from misopening door lock, eliminate security risk;Use unlocking knob to replace door handle, so that door lock structure is more simple and generous, so that door lock appearance is more beautiful.