Departure prevention apparatus of an elevator landing door top

摘要

The present invention relates to an improved elevator door top departure preventing apparatus for preventing an elevator door upper edge portion from being separated from the elevator door when the elevator door is kept closed, thereby further securing elevator safety.Therefore, in the present invention, there is a switch bracket 3 fixed to the center of the inside of the header housing 2 provided on a pair of landing doors 1, 1 ', and the pair of landing doors 1, 1' And the head assembly brackets 5 and 5 'are fixedly connected to the upper portions of the head assembly brackets 5 and 5' so as to reciprocate in the left and right directions. In the door assembly panel portions 6 and 6 ' A door elevation control having a proximity drag wheel part 22 on one side of a fastening part 21 on a door assembly panel part 6,6 'or a part of the platform door 1, 1' which can be close to the bracket 3, The means 20 and 20 'are respectively fixed and the platform door 1 and 1' are connected to the lower part of the horizontal brackets 4 of the switch bracket 3,1 and 1 'are engaged with hook pieces 7 for locking hooks which are fixed to the lower horizontal bending portion 4 or the upper portion of the lower horizontal bending portion 4 so as to be movable close to each other, And the upward movement of the main body 10 can be blocked.;