公开(公告)号：US20200378169A1

公开(公告)日：2020-12-03

申请号：US16649364

申请日：2017-12-20

申请人： NANJING KANGNI MECHANICAL & ELECTRICAL CO., LTD.

发明人： Xiang SHI ,  Yuncheng WEI ,  Xianmin WANG ,  Songnan XU ,  Xudong SHI ,  Wenkai ZU ,  Menghua CHENG

IPC分类号： E05F15/619 ,  E05F15/614 ,  E05F15/40 ,  F16H1/16 ,  F16D11/14

摘要： An inward-swing door driving device, including a motor, a worm wheel and worm reducer driven by the motor, a positive clutch, an unlocking cylinder and an unlocking connecting mechanism. The positive clutch includes an inner tooth, an outer tooth and an elastic element. The inner tooth is in transmission connection with the worm wheel and worm reducer, and the outer tooth is in coaxial transmission with a door shaft of an inward-swing door. The unlocking cylinder includes a cylinder push rod. One end of the unlocking connecting mechanism is in contact with the end portion of the cylinder push rod, and the other end of the unlocking connecting mechanism is connected with the inner tooth.