Bus passenger door safety device
A safety device, passenger door technology, applied in door/window fittings, wing leaf components, wing leaf operating mechanisms, etc., can solve the problems of fixed straight arms, passengers unable to respond in time, and doors unable to open, etc. The effect of simple transmission chain, practical value and high application value
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[0021] specific implementation plan
[0022] The structure and working principle of a bus passenger door safety device of the present invention will be further described below through embodiments and in conjunction with the accompanying drawings.
[0023] In this embodiment, the structure of the mechanism that makes the cylinder 2 and the rotating shaft 1 of the bus change from a fixed connection to a hinge is as follows: figure 1 , 2 , 3, mainly includes: rotating shaft 1, crank 2, long key 3, extension spring 4, casing 5, drive baffle 6, motor 7, bolt 8, long baffle 9, return spring 10 and shell 11.
[0024] The structure of shaft 1 is as follows Figure 4 As shown, it is divided into upper and lower parts, the lower part is fixed to the straight arm, and the upper part is a cylinder with a keyway and a threaded hole in the middle. The structure of crank 2 is as follows figure 1 As shown, it is divided into left and right parts, the left side is connected to the cylinder...
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