US 11,873,663 B2
Door lock device and door lock having the same
Li Zheng, Kowloon (HK); and Daihua Zhou, Dongguan (CN)
Assigned to Smart Electronic Industrial (Dong Guan) Co., Ltd.
Filed by Smart Electronic Industrial (Dong Guan) Co., Ltd., Dongguan (CN)
Filed on Oct. 19, 2021, as Appl. No. 17/504,992.
Claims priority of application No. 202022866081.7 (CN), filed on Dec. 3, 2020.
Prior Publication US 2022/0178171 A1, Jun. 9, 2022
Int. Cl. E05B 63/14 (2006.01); E05B 47/00 (2006.01); E05C 9/04 (2006.01); E05B 59/00 (2006.01)
CPC E05B 63/146 (2013.01) [E05B 47/0012 (2013.01); E05B 59/00 (2013.01); E05C 9/041 (2013.01); E05B 2047/002 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A door lock device, comprising:
a switch mechanism capable of being operatively switched from a first position to a second position or a third position;
an oblique tongue mechanism, including an oblique tongue body and an oblique tongue drive assembly, the oblique tongue drive assembly being connected to the switch mechanism, wherein, when the switch mechanism is in the first position, the oblique tongue body is in an extended state, when the switch mechanism is switched from the first position to the second position, the switch mechanism drives the oblique tongue drive assembly to drive the oblique tongue body to be in a retracted state, and when the switch mechanism is switched from the first to the third position, the switch mechanism drives the oblique tongue drive assembly to drive the oblique tongue body to be in the retracted state;
a deadbolt mechanism, including a deadbolt body and a deadbolt drive assembly; and
a linkage mechanism connecting the switch mechanism and the deadbolt drive assembly,
wherein, when the switch mechanism is switched from the first position to the second position and the deadbolt body is in the retracted state, the linkage mechanism is adapted to cooperate with the deadbolt drive assembly to drive the deadbolt body to be in the extended state;
when the switch mechanism is switched from the first position to the third position and the deadbolt body is in the extended state, the linkage mechanism is adapted to cooperate with the deadbolt drive assembly to drive the deadbolt body to be in the retracted state; and
when the switch mechanism is switched from the second position or the third position to the first position, the linkage mechanism is disengaged from the deadbolt drive assembly.