A porthole device for a flexible inflatable cabin of a spacecraft is provided with a baffle assembly, a control shaft assembly controlling a baffle and a rigid-flexible connection assembly connected with skin of the flexible inflatable cabin, and concretely comprises a main base, a porthole upper cover, porthole glass, a first seal ring, a second seal ring, a third seal ring, a fourth seal ring, the baffle assembly, the control shaft assembly, a pinion, a main gear, an airtight layer, a fifth seal ring, a sixth seal ring, a compression flange, reinforcement belts and a pin shaft. The baffle assembly, the control shaft assembly and the porthole device are of an integrated structure. A connector connected with the skin of the flexible inflatable cabin is reserved in the porthole device so as to ensure that the porthole is directly installed on the flexible inflatable cabin. The baffle assembly is of a rotating opening and closing structure and occupies a small space in the opening and closing process. The control structure is in a gear drive type, and a spacefarer can open and close the porthole device by hand operation.
Porthole device for flexible inflatable cabin of spacecraft
2015-11-18
Patent
Electronic Resource
English
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