Interlocking Panel Joint Profile for Stable Downward Joining
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Solution Overview
Problem
Existing panel coupling systems face issues with reliable long-term locking, as they tend to release over time due to slight rotations, and struggle to balance easy joining with secure attachment.
Innovation Solution
The panel design incorporates specific joint profiles with vertically active locking portions and inclined surfaces, featuring a distance between contact points that enhances resistance against material tearing and provides a stable locking mechanism, allowing for easy downward movement and angling joining techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing panel coupling systems use simple joint profiles, then the joining process is easy, but the locking reliability deteriorates over time due to slight rotations
Solution Approach 1:
The joint profile is segmented into multiple functional elements: a male part with a downward projecting locking portion, a female part with an upward projecting locking portion, and multiple vertically active locking portions (first and second locking portions on each side). This segmentation allows each element to perform a specific function while working together to provide both easy joining and reliable long-term locking.
Solution Approach 2:
The invention introduces vertically active locking portions that engage in the vertical dimension, in addition to the horizontal interlocking of the male and female parts. The first and second points of contact are positioned at different vertical levels, creating a multi-dimensional locking system that resists rotation and maintains reliability over time while still allowing easy downward movement for joining.
2Reliability
If the joint profile provides strong locking mechanism, then the locking reliability is improved, but the joining process becomes more difficult
Solution Approach 1:
The joint profile is designed with asymmetric geometry where the male part can freely move downward into the female part during installation, but once engaged, the upward locking portions and vertically active locking portions create a dynamic lock that prevents reverse movement. The inclined tangent lines at the contact points facilitate easy downward insertion while the hooked geometry provides strong resistance to upward or lateral forces.
3Ease of operation
If the distance between contact points is small, then the joining process is easier, but the resistance against material tearing deteriorates
Solution Approach 1:
The joint profile concentrates the locking function at specific locations through the first and second locking portions positioned at different vertical levels. The first point of contact and second point of contact are strategically positioned to create localized stress distribution that prevents material tearing while maintaining ease of joining. The hooked geometry at these contact points provides local reinforcement without increasing overall complexity.
Data Source
AI summary
A panel, which, at two opposite edges, includes coupling parts that allow joining by a downward movement, the coupling parts including a male part that fits in a female part, wherein the male part comprises a laterally protruding lip with at a lower side a downward facing support surface.