Aircraft Ceiling Panel Fastening System with Dynamic Lever Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In modern commercial aircraft, ceiling panels must be easily removable for maintenance and repair, but their disassembly is complicated by adjacent fixtures, requiring a fastening system that allows for convenient access to the space behind the panels.
Innovation Solution
A fastening system with a structure holding element and a component holding element that can move between normal and access positions, utilizing rotatable lever elements and a connection element to facilitate movement and access, even in restricted spaces, while maintaining a compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ceiling panels are firmly fixed to ensure structural stability, then reliability is improved, but ease of operation deteriorates because removal for maintenance becomes difficult
Solution Approach 1:
The fastening system employs a dynamic lever mechanism that transitions between locked and unlocked states. The lever element can be rotated between a first position (locking the panel) and a second position (releasing the panel), enabling easy transition between stable fixation and maintenance access modes
Solution Approach 2:
The fastening system is divided into separate functional elements: a structure holding element attached to the aircraft structure, a component holding element attached to the panel, and a lever element that connects and controls both. This segmentation allows independent optimization of each component and simplifies the release mechanism
2Ease of operation
If ceiling panels are made easily removable for maintenance, then ease of operation is improved, but reliability deteriorates because secure fixation during operation is compromised
Solution Approach 1:
The system uses a dynamic locking mechanism where the lever element automatically maintains the panel in a secured position during normal operation through its geometric configuration and engagement with the holding elements, yet can be easily released when needed
Solution Approach 2:
The lever mechanism is designed to self-lock in the closed position through its geometric configuration, maintaining structural stability without requiring additional locking actions or complex control systems during normal operation
3Ease of operation
If fastening system uses complex mechanism to enable easy removal, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system uses a simple lever mechanism with rotational movement between two positions, avoiding complex multi-stage mechanisms while achieving reliable locking and easy release through geometric design
Solution Approach 2:
The lever element serves multiple functions: it locks the panel in position, maintains structural connection during operation, and enables easy release when actuated. The same components serve both structural and fastening functions
4Stability of the object's composition
If ceiling panels are fixed securely to maintain position, then stability is improved, but ease of repair deteriorates because access to space behind panels becomes difficult
Solution Approach 1:
The fastening system allows the panel to be quickly transitioned from a stable fixed position to an accessible position where the component installation space is exposed, enabling maintenance work while maintaining structural integrity when locked
Data Source
AI summary
A fastening system including a structure holding element fastenable to a structural component. The fastening system includes a component holding element fastenable to a component to be fastened and movable relative to the structure holding element between first and second operating positions. A first lever element is connected to the structure holding element to be rotatable about a first rotation axis and is connected to the component holding element to be rotatable about a second rotation axis. The fastening system includes a connection element, connected to the component holding element to be rotatable about a third rotation axis and connected to the structure holding element to be displaceable in translation relative to the structure holding element, such that the second rotation axis, when the component holding element is transferred from its first into its second operating position, is displaced in a plane extending perpendicularly to the second rotation axis.