Articulating Wire Chase for Appliance Door Hinge Conduit Management
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Solution Overview
Problem
Existing appliance hinges face challenges in efficiently managing the operational path and positioning of door panels between open and closed positions, particularly in confined spaces, while ensuring secure and damage-free passage of flexible conduits for services like electricity and water.
Innovation Solution
An articulating hinge assembly with an integrated articulating wire chase that operates between a serpentine and elongated position, featuring a four-part linkage and a three-part linkage configuration, which includes a flexible conduit retention system using arcuate retainers to maintain consistent conduit positioning and prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an articulating hinge assembly is used to enable door panel operation in confined spaces, then the operational flexibility and space efficiency are improved, but the complexity of managing flexible conduits through the articulating path increases
Solution Approach 1:
The wire chase is integrated directly into the articulating hinge assembly, merging the conduit management function with the door articulation mechanism. This eliminates the need for separate conduit routing systems and simplifies the overall structure while maintaining operational flexibility.
Solution Approach 2:
The wire chase acts as an intermediary component that guides and protects the flexible conduit throughout the articulating motion. It mediates between the stationary cabinet and the moving door panel, ensuring the conduit follows a controlled path and avoids damage during door operation.
2Manufacturing precision
If the wire chase is integrated into the articulating mechanism, then the conduit positioning consistency is improved, but the device complexity increases
Solution Approach 1:
The wire chase is formed as an integral part of the hinge assembly components, combining what would otherwise be separate elements. This integration ensures consistent conduit positioning while avoiding the need for additional independent mechanisms.
Solution Approach 2:
The hinge assembly components serve multiple functions: they provide the articulating mechanism for door motion and simultaneously form the wire chase for conduit management. This multi-functionality reduces overall complexity while maintaining positioning consistency.
3Reliability
If arcuate retainers are used to secure the flexible conduit, then the protection against pinching and crimping is improved, but the manufacturing complexity increases
Solution Approach 1:
The arcuate retainers are formed as integral features of the wire chase structure, combining the retention function with the existing conduit housing. This eliminates the need for separate retainer components and reduces manufacturing steps.
Solution Approach 2:
The retainers utilize the natural arcuate geometry of the wire chase path to provide securing force. By changing the structural parameters of the wire chase to include built-in retention features, the design achieves reliable conduit protection through geometric constraints rather than additional mechanical elements.
Data Source
AI summary
A hinge assembly for a refrigerating appliance includes a door engaging member that is configured to attach to a door panel through an operational path of the door engaging member. A cabinet engaging member is configured to attach to a structural cabinet. An articulating mechanism extending between the door engaging member and the cabinet engaging member. The articulating mechanism partially defines the operational path of the door engaging member. An articulating wire chase that is coupled to the cabinet engaging member and slidably coupled to the articulating mechanism at a guide slot. The articulating mechanism is operable between a collapsed position and an extended position. Operation of the articulating mechanism operates the articulating wire chase between a serpentine position and an elongated position.