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Door construction for a lift

A technology for elevators and door leaves, which is applied to elevators, door/window accessories, building structures, etc. in buildings, and can solve the problems of high technology costs and very high requirements for guide rails

Active Publication Date: 2008-01-16
비투르홀딩게엠베하
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Apparently, for narrow door leaves, great leverage ratios arise, as a result of which very high demands are placed on the guide rails, and such demands can only be met at very high technical cost

Method used

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  • Door construction for a lift
  • Door construction for a lift

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Embodiment Construction

[0013] The invention is described in connection with elevator car doors, but the invention can also be used for elevator hoistway doors. Two groups of door leaves are provided, wherein one group includes two left door leaves 20, 21 (as shown in Figure 2), and the other group includes two right side door leaves 20', 21' (as shown in Figure 2). One group of door leaves 20,21 are opened towards the left (seeing figure 2), and the door leaves 20', 21' of another group are opened towards the right (seeing figure 2). Within a group, the two leaves 20, 21 or 20', 21' slide in a relatively telescopic manner when opened. The right leaf 20', 21' is narrower than the left leaf 20, 21.

[0014] On the door beam 1 mounted on the elevator car, not further shown, two guide rails 2, 2' are fixed. At this time, the two guide rails 2, 2' are parallel to each other and extend along the horizontal direction. The guide rails 2, 2' are held in place by the bolts 3, which here also define the dis...

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Abstract

The present invention provides two groups door leaves (20, 20', 21, 21'); each group door leaves is turned on with flex mode and move together in the same direction. The door leaves run on at least two guide-ways (2, 2') which parallel to each other with fixed distance and extend horizontally by means of an idler wheel (7). The door leaves can move within at least two planes and be supported on the guide-ways through hangers (6, 6', 8, 8') by means of idler wheel (7). The width of one group of the door leaves (20, 21 or 20', 21') is different to that of the other group. The central door leaves (21, 21') move within a plane and close with each other basically on the closed position. In order to burst through the two door leaves (21, 21') with small force or not, the present invention prescribes that the hanger (8') of the narrow central door leaf (21') is arranged with a protruding part (11), within which installing at least one idler wheel (7), the hanger (8) of the wide central door leaf (21) is arranged with basic equal gap (12).

Description

technical field [0001] The invention relates to an elevator door structure according to the preamble of claim 1, in particular to a door structure for an elevator car door or an elevator shaft door (hall door). Background technique [0002] Usually, two sets of leaves are provided, each of which opens telescopically and always moves together in the same direction. The leaves of one set move from the center to the left when opened, while the leaves of the other set move from the center to the right. Often, the door leaves of one group have to have a different width than the door leaves of the other group for reasons of space. [0003] Elevators must meet strict safety requirements. One of the requirements was that the central door leaf not visibly push open when a certain amount of force was applied. This is a problem for narrow door leaves, since the door leaf is only guided on the upper side, whereas this test must also be fulfilled if the force is applied on the lower s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B13/00B66B13/30
CPCE05F15/145B66B13/30E05Y2900/104E05F15/643
Inventor 弗朗茨·米特迈尔
Owner 비투르홀딩게엠베하
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