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Landing door with opening protection function

A protection function and landing door technology, which is applied to elevators, transportation and packaging in buildings, can solve the problems of relying on manual judgment, potential safety hazards, single unlocking method of landing doors, etc., and achieve the effect of preventing accidents from falling into wells

Active Publication Date: 2019-09-13
HITACHI ELEVATOR CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a landing door with an opening protection function to solve the problems of the prior art that the landing door unlocking method is single, the unlocking process relies on manual judgment whether it is suitable to open the landing door, and there are potential safety hazards

Method used

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  • Landing door with opening protection function
  • Landing door with opening protection function
  • Landing door with opening protection function

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, but are not intended to limit the present invention.

[0027] Such as Figure 1-7 As shown, a landing door with an opening protection function includes a landing door upper sill 4, a door hanging plate 8, a landing door lock 1, and a landing door 6. The landing door 6 is connected to the landing door through the door hanging plate 8. On the upper sill 4 of the landing door, the landing door lock 1 is arranged on the door hanging plate 8, the landing door lock 1 is provided with a lock body and a rotation center 17, and the landing door 6 close to the rotation center 17 is provided with The main unlocking device, the main unlocking device includes the main floor door triangular lock assembly 18, the main unlocking lever, one end of ...

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Abstract

The invention discloses a landing door with an opening protecting function. The landing door is connected to an upper bank of the landing door through a door hanging panel, a landing door lock is arranged on the door hanging panel, a lock body and a rotating center are arranged on the landing door lock, and a primary unlocking device and an auxiliary unlocking device are arranged on the landing door; a landing door opening protective device comprises a sensor, a flexible locking device and a limiting device; the flexible locking device is arranged on the landing door hanging panel, and the limiting device is arranged on the upper bank of the landing door. The landing door disclosed by the invention has the advantages that the primary unlocking device and the auxiliary unlocking device can diversify the unlocking modes of the landing door lock; an inching switch and an indicating lamp are arranged to master whether the primary unlocking device unlocks the landing door lock smoothly or not; the sensor and the unlocking protective device are arranged to guarantee that a car is in the floor, so that a well-falling accident is avoided.

Description

technical field [0001] The invention relates to the technical field of elevator hall door opening, in particular to an elevator hall door opening technology provided with a protection device. Background technique [0002] Existing landing door systems all have only one set of landing door lock opening devices, mainly the landing door triangular lock assembly, which is driven to open the landing door lock by the rotation of the triangular key trigger device. Each set of landing doors is equipped with a set of unlocking devices, but when the unlocking component paddle or unlocking lever falls off, or the unlocking lever is loose, or the floor door lock cannot be opened smoothly due to long-term non-use accumulation of rust, once the elevator fails and Passengers in the car need to be rescued, so they cannot be carried out on this floor. They need to go to other floors to open the landing door for rescue or turn the car to another landing door to carry out rescue, which will de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B13/30B66B13/14
Inventor 霍俊超邓浩斌吕智强于梅
Owner HITACHI ELEVATOR CHINA
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