Vehicle Wire Harness Cover Structure for Waterproof Connectors
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Solution Overview
Problem
Existing vehicle wire installation structures face challenges in maintaining waterproofness of connectors while simplifying the structure and reducing component count, as they often require additional seals and components that increase complexity and cost.
Innovation Solution
An installation structure featuring an undercover and a cover member that fasten together to create a liquid-tight space around the connector, with integrated ribs to support the wire harness and connector, eliminating the need for additional seals and reducing the number of components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If protective covers are divided into multiple parts to fit in the recess, then the harnesses or tubes can be covered and protected, but moisture may intrude into the recess from the joints among the protective covers
Solution Approach 1:
The patent merges multiple divided protective covers into a single integrated protective cover that extends continuously along the recess. This eliminates the joints between separate covers that would allow moisture intrusion, while still providing comprehensive protection for the harnesses disposed in the recess.
2Reliability
If additional seals and components are added to maintain waterproofness, then connector waterproofness is improved, but structure complexity and component count increase
Solution Approach 1:
The patent combines the protective cover and undercover into an integrated structure that forms a complete enclosure for the connector. This merged structure provides waterproof protection through its continuous sealed design, eliminating the need for additional separate seals and components while maintaining connector waterproofness.
3Object-affected harmful factors
If a single integrated exterior member is used without joints or slits, then moisture intrusion is reduced, but the structure becomes more complex to manufacture
Solution Approach 1:
The patent segments the protective structure into two main components: the protective cover and the undercover. These segments are designed to fit together to form a complete enclosure, providing the benefits of a joint-free sealed structure while remaining manufacturable as separate pieces that are assembled together.
4Object-affected harmful factors
If the protective cover extends continuously along the recess, then moisture intrusion from joints is prevented, but the cover becomes longer and more material is required
Solution Approach 1:
The patent merges the protective cover with the undercover to form an integrated enclosure system. This combination allows the structure to provide continuous protection along the recess length while optimizing material usage through the collaborative design of both components working together as a unified protective system.
Data Source
AI summary
A floor panel constituting a floor surface in a room of a vehicle, an undercover arranged at a predetermined interval on a lower side in a vertical direction of the floor panel, a wire harness arranged with respect to the undercover and transporting electric power, and a connector attached to the wire harness and capable of electrical connection and disconnection, wherein a mounting structure of an electric wire includes a cover member arranged in a direction perpendicular to the undercover and provided so as to cover the connector, and the cover member is fastened so that an inside accommodating the connector is in a liquid-tight state with respect to the undercover.