Patent ID: 11965355
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 5:
6. The automatically resettable passive swing bolt lock as claimed in claim 1, wherein the key includes a key housing, a key head, a guide plate, two return pins, a grounding spring, a battery, a grounding elastic plate, an electrode elastic plate, and a key PCB; the key head is fixed at a front end of the key housing, a front end of the key head is formed with a steel ball groove for the steel ball in the lock body to be engaged therein, the guide plate is movably fitted in the key head, the return pins are movably inserted in guide holes of the key head, the grounding spring is sleeved on the corresponding return pin, two ends of the grounding spring are respectively pressed against a flange of the corresponding return pin and the key housing to provide a spring force to push the corresponding return pin outwardly, the battery is installed in the key housing, the grounding elastic plate and the electrode elastic plate are installed on an inner wall of the key housing, the grounding elastic plate and the electrode elastic plate are in contact with two electrodes of the battery respectively, and are electrically connected to the key PCB and the two return pins through wires.