A multi-directional inspection door mechanism assembly at the front of a large passenger car

Abstract

The invention discloses a novel front multi-directional inspection door mechanism assembly of a large passenger car, comprising: an inspection door body; an integrated bracket, on which the upper inspection door of the inspection door body is movably mounted on the integrated bracket; a front wall frame, the inspection door The first connecting rod locking mechanism on the upper inspection door of the main body and the second connecting rod locking mechanism on the lower inspection door of the inspection door body are respectively connected with the first locking ring and the second locking ring on the front wall frame. . The upper inspection door, lower inspection door, left inspection door and right inspection door can all be opened for inspection. The integrated bracket is connected to the bracket on the front wall frame through the third hinge hinge. A first gas spring for support is installed between the integrated bracket and the bracket on the front wall frame, and a second gas spring for support is installed between the integrated bracket and the upper access door; the present invention can open all access doors. , forming an open, large-space maintenance area.

Description

technical field [0001] The invention relates to the technical field of large passenger cars, in particular to a multi-directional inspection door mechanism assembly at the front of a large passenger car. Background technique [0002] Chinese patent CN203920932U discloses a front wall inspection door of a bus, which includes an upper inspection door, a lower inspection door, a latch and a manual zipper; the lower part of the upper inspection door and the lower part of the lower inspection door are both hinged with the front wall frame, and the upper The access door is located above the lower access door; the latches and the manual zipper are fixed on the front wall frame, and are respectively matched with the upper part of the upper access door and the upper part of the lower access door. [0003] At present, large passenger cars are widely welcomed by first- and second-tier cities due to their large carrying capacity. With the rich configuration of passenger cars, additional...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a multi-directional access door mechanism assembly at the front of a large passenger car. Mechanism and latch mechanism, convenient to open the inspection door, effectively solve the problem of small inspection door and inconvenient opening

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