ELEVATOR HALL DOOR UNLOCKING DEVICE OF ELEVATOR AND UNLOCKING KEY

摘要

PROBLEM TO BE SOLVED: To provide an elevator hall door unlocking device of an elevator and an unlocking key which can unlock an elevator hall door in a short time without impairing design properties when the height of the elevator hall door is high.

SOLUTION: A keyhole 6 into which an unlocking key 9 is inserted is provided in a bracket 5 fixed to a door rail 2 so as to be positioned at an upper closed end of an elevator hall door 1 and an unlocking lever 8 is connected to a locking hook 4 so as to be engaged with a detent part 7 to be positioned at the upper closed end of the elevator hall door 1. The unlocking device is configured to have a gap insertion part 11a which can be inserted into a gap 10 formed when an expansion force is applied to the elevator hall door 1 in a closed state of the elevator hall door 1 in which the locking hook 4 is engaged with the detent part 7 and has a hole 11c into which the unlocking key 9 can be inserted and an elevator hall face contact part 11b which is connected to the gap insertion part 11a so as to be adjacent to an elevator hall spot located at the elevator hall side of the elevator hall door 1. The unlocking device is also configured to include a guide member 11 for guiding the unlocking key 9 when the unlocking key 9 is inserted into the keyhole 6.

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