Aircraft door pressure locking mechanism
A technology for locking mechanisms and hatches, which is applied to aircraft accessories, building structures, and building fastening devices. It can solve the problems of large space occupied by flight lock mechanisms, complicated pressure locks, and large occupied space, so as to save space and The effect of weight, simple structure, and improved utilization of parts
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[0016] Such as figure 1 As shown, a passenger aircraft cabin door pressure locking mechanism has a vent assembly 1 hinged with the cabin door structure, a connecting rod 2, a fork 7 hinged with the cabin door structure together with the cabin door structure to form a four-bar mechanism; The fork-shaped end of the fork 7 is provided with an upper roller 3 and a lower roller 8 respectively, and forms a cam-swing lever mechanism with the cam 4, and the cam 4 is coaxially connected with the hatch handle; 5 is provided with a torsion spring 6, one end of the torsion spring 6 acts on the air vent assembly 1, and the other end acts on the hatch structure, and its torsion spring force makes the air vent assembly 1 have a tendency to open.
[0017] Such as figure 2 As shown, when it is normally opened, the torsion spring 6 drives the vent assembly 1 to open, and the upper roller 3 is in contact with the cam 4 .
[0018] Such as image 3 As shown, when the pressure locking function ...
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