A rail transit emergency door lock based on shaft connection technology

Abstract

The invention discloses a rotating shaft connecting technology based lock for an emergency door of rail traffic. The rotating shaft connecting technology based lock for the emergency door of the railtraffic comprises a door board and a shield door, wherein a lock housing is fixedly connected to the surface of the door board; two first rolling bearings and two second rolling bearings are symmetrically distributed and embedded into the sidewalls of the opposite sides of the lock housing; a first rotating shaft is fixedly sleeved with the two first rolling bearings; a first gear which is engagedwith a second gear fixedly sleeves the wall of the first rotating shaft; a second rotating shaft is fixedly sleeved with the two second rolling bearings, and the wall of the second rotating shaft isfixedly sleeved with the inner wall of the second gear; a semicircular wheel fixedly sleeves the wall of the second rotating shaft; a spring sleeve is fixedly connected to the inner sidewall of the lock housing. According to the rotating shaft connecting technology based lock for the emergency door of the rail traffic, a passenger in a subway can manually rotate a rotating handle to quickly open the emergency door board and then quickly escape from the space between the shield door and the train in emergency.

Description

technical field [0001] The invention relates to the field of anti-flammation cloth buckle technology, in particular to a rail transit emergency door lock based on a rotating shaft connection technology. Background technique [0002] As a fast public transportation system in modern big cities, subway has been more and more used in various countries in the world. As a public transport system, safety is paramount. When the train stops at the station, due to various reasons, the situation that the train stops and the opening position of the platform screen door cannot be aligned, or the emergency situation that the passengers are caught between the train and the screen door due to their own reasons. [0003] Therefore, in order to protect the safety of passengers getting on and off the train and the safe operation of the train, the general platform screen door will be equipped with an emergency door unit system to solve this emergency situation. In the emergency door unit syst...

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