Trapdoor for drive station or steering station

Abstract

The invention provides a trapdoor for driving station or turning-over station, which comprises a door sheet (1) and a hinge (2), wherein the hinge (2) is equipped below the door sheet (1) in hidden way, the hinge (2) is a plane four bar mechanism hinged by four hinge rods (5, 6, 7, 8), the shortest hinge rod (5) is directly or indirectly fixedly connected with the door sheet (1), the hinge rod (7) opposite to the shortest hinge rod is directly or indirectly fixedly connected with a truss (4) or a door sheet frame (3), thus the door sheet (1) and the hinge rod (2) connected therewith form a trapdoor capable of being opened in folding way. The invention has unique design, and is easy to realize the opening of the trapdoor. The invention can be very conveniently used, does not affect esthetic appearance, and has good application prospects.

Description

Technical field [0001] The present invention relates to a trap door, in particular to a trap door arranged on an escalator or moving walkway driving station or steering station. Background technique [0002] In the prior art, trapdoors installed on escalators or moving walkways driving stations or steering stations usually have their door panels directly placed on the door panel frame without a hinge structure. When opening the door panels of the trapdoor, all the door panels need to be removed , More time-consuming and laborious, extremely inconvenient to use. [0003] Of course, even if some trapdoors use a hinge structure, their hinges are single-axis hinges. In order to prevent the trapdoor from interfering with the door frame when the trapdoor is opened, the hinge cannot be hidden and installed under the door panel so that passengers can see directly The hinge affects the aesthetics. [0004] Therefore, designing a new type of drive station or steering station upper trap doo...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the trapdoors installed on the driving station or turning station of the escalator or moving walk are usually placed directly on the frame of the door panel without a hinge structure. When opening the door panel of the trapdoor, all the door panels need to be removed , more time-consuming and laborious, and extremely inconvenient to use

[0003] Of course, even if some trapdoors use a hinge structure, the hinge is a single-axis hinge. In order to prevent the trapdoor from interfering with the frame of the door panel when the trapdoor is opened, the hinge cannot be hidden under the door panel, and passengers can directly see it. The hinge, which affects the aesthetic

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