Profiled Panel Joint Assembly for Caravan Structural Rigidity
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Solution Overview
Problem
Existing construction techniques for mobile vehicles, such as caravans, face challenges in achieving consistent and aesthetically pleasing panel joints, are labor-intensive, and result in structural rigidity that is dependent on material consistency and operator skill, with inefficiencies in material usage and aerodynamic performance.
Innovation Solution
A method and assembly using a profiled section with edge receiving profiles and clamping brackets, where fasteners connect the panels at spaced intervals, allowing for clamping of panel edges between the profiled section and brackets, with flanges engaging panel pockets, providing improved structural integrity and aerodynamics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If panels are directly screwed together at their edges, then the assembly process is simple, but the structural rigidity is poor and the joint consistency is difficult to achieve
Solution Approach 1:
A profiled section is introduced as an intermediary component between the two panels. This profiled section includes edge receiving profiles that engage with the panel edges and provides a standardized interface for connection, thereby improving structural rigidity while maintaining assembly simplicity through the mediating structure.
Solution Approach 2:
The joint structure is segmented into distinct functional components: the profiled section with edge receiving profiles, clamping brackets, and fasteners. This segmentation allows each component to perform its specific function optimally, with the profiled section providing structural support and the clamping brackets ensuring consistent clamping force.
2Manufacturing precision
If narrow strips or extrusions are used to seal the joint area, then the panels can be connected, but achieving consistent cosmetic standard is difficult and material waste is high
Solution Approach 1:
The profiled section's edge receiving profiles are designed to automatically guide and position the panel edges during assembly. The geometry of the receiving profiles ensures proper alignment and consistent cosmetic appearance without requiring additional sealing strips or extrusions, thereby eliminating material waste while maintaining high manufacturing precision.
3Productivity
If panels are screwed together with reliance on operator skill, then the assembly can be completed, but the process is labor intensive and productivity is low
Solution Approach 1:
The profiled section serves as a standardized intermediary that simplifies the connection process. The edge receiving profiles and clamping bracket interface provide a repeatable, skill-independent assembly procedure that can be quickly installed by operators without requiring high levels of skill, thereby increasing productivity while reducing operational complexity.
4Object-affected harmful factors
If the joint area is sealed with extrusions, then the panels are connected, but the aerodynamic performance is reduced due to the non-smooth surface
Solution Approach 1:
The profiled section is designed with a smooth outer surface that acts as an aerodynamic fairing over the joint area. This intermediary structure eliminates the need for separate sealing extrusions that would disrupt airflow, while the integrated design maintains manufacturing simplicity through the unified profiled section component.
Data Source
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AI summary
An assembly comprising two panels, a profiled section, a clamping bracket and a fastener, wherein an edge of each panel is received in a respective edge receiving profile of the profiled section, the clamping bracket is engaged with the panels, and the fastener is connected between the clamping bracket and the profiled section so as to clamp the edges of the panels between the profiled section and the clamping bracket. Also, a method of joining two panels, the method comprising positioning an edge of each panel in a respective edge receiving profile of a profiled section, engaging a clamping bracket with the panels, and connecting the clamping bracket to the profiled section using a fastener so as to clamp the edges of the panels between the profiled section and the clamping bracket. The invention is particularly suitable for joining body shell panels of a mobile vehicle, such as a caravan or the like.