Sliding Door Wiring Structure Reducing Routing Space
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Solution Overview
Problem
Conventional wiring structures for sliding doors require additional space to accommodate the extra portion of wire harnesses during door movement, leading to increased dedicated routing space.
Innovation Solution
A wiring structure that includes a flexible conductor connected to a vehicle body and sliding door via a guide portion, with a forming member, such as a plate-like elastic body, forming a curved portion within the trajectory space to accommodate the extra conductor length, reducing the need for additional dedicated space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated space is secured to accommodate the extra portion of wire harness during door movement, then the wire harness can be properly routed, but the dedicated space for routing is enlarged
Solution Approach 1:
The wire harness is nested within the trajectory space of the sliding door, utilizing the existing movement path as accommodation space. The conductor is routed through the trajectory space and folded back, nesting the extra portion within the door's movement envelope rather than requiring separate dedicated space.
Solution Approach 2:
The wire harness routing transitions from a linear path requiring dedicated space to a three-dimensional configuration that utilizes the trajectory space volume. The conductor is positioned to extend along the guide portion and fold back within the trajectory space, effectively using spatial dimensions to accommodate the extra length without enlarging the dedicated routing space.
2Adaptability or versatility
If the conductor is made flexible to accommodate door movement, then the wiring can adapt to motion, but the conductor may interfere with the slide portion movement
Solution Approach 1:
The conductor is configured with a curved shape that follows the trajectory of the sliding door movement. The curved portion is positioned within the trajectory space and guided along the guide portion, allowing the conductor to bend and flex with the door motion while maintaining a controlled path that prevents interference with the slide portion.
Solution Approach 2:
The guide portion acts as an intermediary structure that directs and constrains the conductor's movement. The guide portion mediates between the flexible conductor and the sliding door mechanism, ensuring the conductor follows the correct trajectory and does not interfere with the slide portion while still allowing necessary flexibility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively reduces the dedicated space required for routing by folding the wire harness within the trajectory space, minimizing interference and maintaining a stable electrical connection between the vehicle body and sliding door.
Implementation Method 1
the forming member is a plate-like elastic body disposed along the conductor so as to deform together with the conductor
Data Source
AI summary
A wiring structure for a sliding door includes a flexible conductor that connects a sliding door and a vehicle body across a trajectory space through which a slide portion of the sliding door passes, the slide portion being guided by a guide portion provided on a vehicle body side, and a forming member that forms a curved portion in a portion of the conductor traversing the trajectory space, and extends a portion of the conductor connected to the curved portion along the guide portion.