Dual-Axis Seat Hinge Mounting for Stable Moving Panels
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Solution Overview
Problem
Conventional hinges, particularly double hinges, lack an improved mounting configuration that ensures stability and flexibility for applications like aircraft table hinges, where they need to securely attach to air passenger seats while allowing for relative movement of flaps or panels.
Innovation Solution
A double hinge design featuring a center element with two leaf elements, each articulated to rotate about separate axes, with bushings and shafts forming rotary joints, and a connecting member that reduces weight while maintaining stability, allowing for adjustable positioning and secure attachment to air passenger seats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a double hinge is used to connect multiple flaps or panels to an air passenger seat, then the stability and mounting flexibility are improved, but the device complexity increases
Solution Approach 1:
The hinge is divided into a center element and two separate leaf elements, each with its own mounting element. This segmentation allows independent mounting and adjustment of each leaf element while maintaining overall structural stability through the shared center element.
Solution Approach 2:
The center element serves multiple functions: it acts as the rotational center for both leaf elements, provides a mounting interface for the air passenger seat, and maintains the spatial relationship between the two rotational axes. This multi-functionality reduces the need for additional components.
2Adaptability or versatility
If two rotational axes are spaced apart on the hinge, then the flexibility for positioning flaps or panels is improved, but the manufacturing precision requirements increase
Solution Approach 1:
Each leaf element is designed with its own mounting element and rotational axis positioned optimally for its specific function. The first leaf element's mounting element is positioned for one type of flap attachment, while the second leaf element's mounting element is positioned for another type, allowing each to be optimized for its local requirements.
Solution Approach 2:
The hinge allows the leaf elements to rotate independently about their respective axes, providing dynamic positioning flexibility. The spaced rotational axes enable different angular ranges and orientations for each leaf element, adapting to various mounting configurations on the air passenger seat.
Data Source
AI summary
A hinge having a center element, a first leaf element articulated on the center element and rotatable about a first axis, and a second leaf element articulated on the center element and rotatable about a second axis. The leaf elements have mounting elements for a leaf. The hinge has a mounting member to fasten the center element to an air passenger seat. In the mounted state of the hinge on the air passenger seat and in the arranged state of the leaves, the leaves are present such that they can be moved relative to the remaining air passenger seat. The first and the second axes are present on the hinge so as to extend in a bearing plane and so as to be spaced apart from one another.