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Hand-operating unlocking mechanism for sliding door

A technology of manual unlocking and sliding doors, which is applied to building locks, building structures, railway car body parts, etc., can solve the problems of inconvenient use, and achieve the effects of preventing others from opening by mistake, reducing weight and compact structure

Active Publication Date: 2007-08-22
FANGDA INTELLIGENT INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention aims to solve the technical problem of inconvenient use of the existing manual unlocking mechanism for subway movable doors, and provides a compact, safe and effective manual unlocking mechanism for sliding doors

Method used

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  • Hand-operating unlocking mechanism for sliding door
  • Hand-operating unlocking mechanism for sliding door
  • Hand-operating unlocking mechanism for sliding door

Examples

Experimental program
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Embodiment Construction

[0024] Fig. 1 shows the basic structure of a preferred embodiment of the present invention, the described sliding door manual unlocking mechanism includes an unlocking handle 1, a first crank arm 3, and a second crank arm 5 arranged on the side of the sliding door facing the track , and a steel cable 4 with a sheath 2 0. The lower end of the unlocking handle 1 is hinged on the sliding door through the rotating shaft 01. In this embodiment, the first crank arm 3 and the second crank arm 5 are both "V" shaped lever structures (also can be set to other shaped lever structures) , the "V"-shaped sharp corners of the first crank arm 3 and the second crank arm 5 are respectively hinged on the sliding door through the rotating shafts 03 and 05. The two ends of the steel cable 4 are hinged to one end of the first crank arm and one end of the second crank arm through the rotating shafts 04 and 041 respectively. The unlocking handle 1 can swing left and right around the rotating shaft 0...

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Abstract

The present invention discloses a manual unlocking mechanism for underground railway semi-height safety slide door. It includes an unlocking handle whose one end is hinged with one side of slide door, first turned arm and second turned arm which are hinged on the slide door and a steep rope whose two ends are respectively hinged with one end of first turned arm and one end of second turned arm. Said invention also provides the working principle of said manual unlocking mechanism for slide door and its concrete operation method.

Description

technical field [0001] The invention relates to an unlocking mechanism for a sliding door, in particular to a mechanism for manually unlocking the half-height safety sliding door of a subway. Background technique [0002] In order to ensure the safety of passengers, a half-height security door system will be installed next to the platform near the subway track to separate the waiting platform from the track. This safety door system adopts a kind of sliding door, when the vehicle arrives at the station and stops, the sliding door is automatically controlled by electricity to open, so that passengers can get on and off the vehicle. When the vehicle leaves the station, the sliding door will automatically close and lock again, so as to prevent unnecessary injuries caused by waiting passengers entering the track by mistake. In case of an emergency, the circuit of the half-height safety door system is cut off, and the sliding door cannot be opened automatically. Usually, a set of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B65/10B61B1/02
Inventor 杨军
Owner FANGDA INTELLIGENT INNOVATION TECH CO LTD
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