Single-guide-rail double-folding-layer door device

Abstract

The invention relates to an opening or closing mechanism of an elevator door, in particular to a single-guide-rail double-folding-layer door device. The device comprises a door head plate and a fixedguide rail, wherein an inner hanging bracket and an outer hanging plate are arranged on the guide rail, and the device further comprises a traction mechanism, the traction mechanism comprises transmission rope wheels, a transmission belt, a transmission belt butt joint seat and a transmission belt pressing plate, wherein the transmission rope wheels are arranged at the two ends of the upper portion of the inner hanging bracket, the transmission rope wheel sleeves the transmission rope wheel, the transmission belt butt joint seat is used for fixedly connecting the two end heads of the transmission belt in a butt joint mode, and the transmission belt pressing plate is used for fixedly connecting the transmission belt with the door head plate; and the transmission belt butt joint seat is fixedly installed on the outer hanging plate, a slow door plate is fixedly connected below the inner hanging bracket, and a fast door plate is fixedly connected below the outer hanging plate. According tothe device, the inner hanging bracket adopts a framework structure, so that the structural stability of operation is realized; meanwhile, a steel wire rope transmission device is arranged at the position of a upper transverse beam of the inner hanging bracket, is arranged on the outer side so that the space can be effectively saved, the parallel arrangement of the steel wire rope transmission device and springs is realized in a limited thickness and height, and the purpose of reducing the height and degree is achieved; and meanwhile, the manufacturing standardization and material saving can be improved through a combined inner hanging bracket structure.

Description

Technical field [0001] The invention relates to an elevator door opening and closing mechanism, in particular to a single-rail double-folding landing door device. Background technique [0002] The double-folding door device in the elevator field is divided into double guide rail and single guide rail structure. [0003] Among them, the double guide rails of the landing door device door hanging panels are respectively fixed on its independent guide rails, and the independent arrangement makes the height of the door hanging panels smaller. Compared with the single guide rail, the lower door hanging panel is on the connecting layer. After the door panel, better impact resistance can be obtained, but the overall thickness of the landing door device is relatively thick. On the whole, the advantage of the dual-rail landing door device is that it can be equipped with a thicker landing door panel, and the height of the door hanger is low. The impact strength is good, the disadvantage is t...

AI Technical Summary

Problems solved by technology

[0004] The single guide rail landing door device is just the opposite. Its advantage is that it can be made thinner, but its disadvantage is that it has a higher height. In the current layout schemes on the market, the higher door hanging plate affects the rigidity of its linkage. When the landing door movement is blocked , the taller slow door hanging plates on the left and right sides are easily deformed after being pulled by the linkage steel wire rope, and the higher door hanging plates also reduce its impact resistance. If you want to obtain a higher strength single guide rail solution, but It inevitably increases the thickness of the landing door device. Due to these disadvantages, although the single-track double-folding door has the potential to be thinner, which is more conducive to occasions with higher requirements for horizontal space, it has not been widely used.

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