Resin Structure Multi-Layer Wall Water Blocking
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Solution Overview
Problem
Resin structures with multiple internal regions often exhibit reduced water blocking properties at boundaries between adjacent regions, which can lead to water ingress and compromise the integrity of the structure.
Innovation Solution
A resin structure design featuring a box-shaped main body with multiple regions, where each region is covered by a lid with a partition wall that overlaps another partition wall in the thickness direction, forming a multi-layer wall structure, thereby increasing the creepage distance and enhancing water blocking capabilities without the need for additional sealing components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a plurality of lids are assembled to cover each region of the main body, then the maintainability and functionality of the resin structure is improved, but the water blocking property at the boundary between adjacent regions is reduced
Solution Approach 1:
The partition walls are arranged in the thickness direction (vertical dimension) to overlap each other, creating a multi-layer wall structure. This dimensional arrangement increases the creepage distance between adjacent regions, effectively blocking water paths that would otherwise penetrate through single-layer boundaries between lids and main body.
Solution Approach 2:
The partition walls are nested within each other in the thickness direction, with the lid partition wall inserted into the main body partition wall structure. This nesting creates an interlocked multi-layer configuration that enhances water blocking while maintaining the modular lid assembly structure.
2Reliability
If partition walls are extended to separate adjacent regions, then the water blocking property is improved, but the structural complexity and number of components increase
Solution Approach 1:
The partition walls of the lid and main body are merged into a single multi-layer wall structure through overlapping arrangement. This integration achieves enhanced water blocking functionality without requiring separate sealing components or additional structural elements, as the existing partition walls serve dual purposes of region separation and water blocking.
Solution Approach 2:
The partition walls themselves provide the water blocking function through their overlapping configuration, eliminating the need for separate sealing components. The structural elements that define region boundaries automatically serve as water barriers through their multi-layer arrangement.
Data Source
AI summary
A resin structure includes: a box-shape main body having multiple regions; and multiple lids assembled to the main body. The main body has a first partition wall extending to separate between a pair of the regions. A first one of the multiple lids covers one of the pair of the regions and has a second partition wall provided at its edge portion. A second one of the multiple lids covers the other of the pair of the regions and has a third partition wall provided at its edge portion. The first partition wall and the second partition wall are located to overlap each other in a thickness direction of the first partition wall to form a multi-layer wall structure, and the first partition wall and the third partition wall are located to overlap each other in the thickness direction to form a multi-layer wall structure.


