Help me check this patent number: 20 1 19.80+0.

Application number: CN20 1 1938+0.

Date of application: 20 1 10823 (authorized by 20 120502)

Publication/AnnouncementNo.: CN202209089U

Date of publication/announcement: 20 120502

Applicant/patentee: He Jianhua.

Inventor/Designer: He Jianhua

Address: 5284 14 No.5 Hesheng Street, Gaosha Avenue, Dongsheng Town, Zhongshan City, Guangdong Province

abstract:

The utility model discloses a silent electric lock, which comprises a lock body seat, a lock face shell, an auxiliary lock body, a circuit board, a stepping motor, a bolt, a gear and a pair of positioning wheels. The circuit board is installed inside the lock body seat, and a knob is installed on the upper surface of the lock face shell. There are two positioning columns sleeved with positioning wheels in the middle of the lock body seat. The stepping motor is installed on the motor fixing column of the lock body seat through screws, and the output shaft of the stepping motor is rotationally matched with the gear. The front end of the lock tongue is provided with two positioning blocks, and the lower end of the positioning wheel is provided with a step platform for supporting the lock tongue.