Sliding Passenger Cubicle Door Assembly for Tool-Free Maintenance
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Solution Overview
Problem
Existing vehicle compartment doors, particularly in aircraft, require a design that allows easy access and maintenance without tools, while maintaining privacy and structural integrity, and preventing passenger tampering or obstruction in aisles.
Innovation Solution
A passenger cubicle assembly with a sliding door mechanism that includes a door support assembly with a sliding mechanism and a rotatable cap, allowing translation and rotation for easy removal and installation, and adjustable fixing members for alignment and support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sliding door mechanism is used to provide access while maintaining privacy, then passenger privacy and aisle clearance are improved, but device complexity increases due to the sliding mechanism and track system
Solution Approach 1:
The door support assembly is divided into separate components: the door itself, the sliding mechanism with rail and carriage, and the door support assembly that can be independently removed. This segmentation allows the door to be easily detached from the support assembly for maintenance without affecting the entire door system.
Solution Approach 2:
The sliding mechanism is extracted as a separate removable component from the door assembly. The rail and carriage can be removed from the door support assembly through a access port, allowing maintenance of the sliding mechanism without removing the entire door or requiring complex disassembly procedures.
2Ease of repair
If the door support assembly is made removable for maintenance, then ease of repair is improved, but device complexity increases due to additional removal and installation procedures
Solution Approach 1:
The door support assembly is designed to be dynamically removable and re installable. It can be moved into and out of the wall opening through a access port, and rotated between different positions. This dynamic design allows easy maintenance while the assembly remains functional during normal operation.
Solution Approach 2:
The door support assembly utilizes rotational movement about a rotation axis perpendicular to the sliding direction. This adds a rotational dimension to the removal process, allowing the assembly to be rotated into a removal position where it can be easily extracted through the access port, and rotated back into position for reinstallation.
3Strength
If access panels are made small to maintain structural strength, then structural strength is improved, but ease of operation deteriorates due to limited access space for maintenance
Solution Approach 1:
The access port is segmented into different functional zones: a small main opening that maintains structural strength, and an extended access pathway that allows maintenance personnel to reach the sliding mechanism. The door support assembly can be rotated and positioned to allow access through this segmented opening without requiring a large overall access port.
Solution Approach 2:
The access port utilizes the third dimension (depth/thickness of the wall) to provide an extended access pathway. By rotating the door support assembly and positioning it within the wall opening, maintenance personnel can reach the sliding mechanism through the small opening in the wall face, effectively using the wall's depth to extend the access space without increasing the visible opening size.
Data Source
Figure 1
Figure 2a~2b
Figure 3a
AI summary
A passenger cubical assembly comprising: a door; a door support assembly having a sliding mechanism, the sliding mechanism arranged to support the door such that the door is translatable relative to the door support assembly along a first axis; a wall containing the door support assembly, the wall having an opening sized to permit translation of the door through the opening; wherein the door support assembly is moveable into the opening and, while in the opening, the door support assembly is rotatable about a rotation axis perpendicular to the first axis.