| 摘要 |
A time programmable unlocking lock includes a tenon structure assembly, wherein the tenon structure assembly includes a front and a rear retaining plate, the front retaining plate connects to an inner side of a door and has a round hole for a tenon of the rear retaining plate to go through, the rear retaining plate has a slot disposed thereon and cooperates with a flange to slidingly connect to the inner side of the door, a front end of the rear retaining plate connects with the tenon, a rear end of the rear retaining plate connects with a metal plate, and the front retaining plate connects with the rear retaining plate through a compression spring. A timer device is disposed at the inner side of the door and controls the circuit operation, the timer setting and the counter setting of the time programmable unlocking lock.
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