Segmented Spa Cover Panels for Compact Shipping
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Solution Overview
Problem
Conventional rigid spa covers are bulky and expensive to ship due to their large size, making them costly for manufacturers and consumers, and they often require custom molds for different spa models, limiting adaptability and increasing production costs.
Innovation Solution
The design features an outer layer forming pockets with multiple rigid panels and support structures, such as C-beams, I-beams, and L-beams, which provide overall rigidity and support, allowing for smaller packaging and adaptability to various spa sizes without the need for custom molds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional rigid spa covers use large single panels, then structural integrity and safety standards are met, but shipping costs increase and packaging space increases
Solution Approach 1:
The spa cover panels are divided into multiple smaller rigid panels that fit within pockets of the outer layer, replacing conventional large single panels. This segmentation allows the cover to be packaged in smaller containers while maintaining structural integrity through the combination of multiple panels and support structures.
Solution Approach 2:
The smaller rigid panels are nested within pockets formed by the outer layer material, with support structures positioned within the same pockets. This nesting arrangement compactly organizes multiple components within the available space, reducing overall packaging volume while preserving the structural functionality of the cover.
2Manufacturing precision
If conventional rigid spa covers are designed for specific spa models, then structural fit is optimized, but manufacturing costs increase due to custom molds
Solution Approach 1:
The outer layer with pockets and the smaller rigid panels are designed as universal components that can accommodate different spa models and sizes. Rather than creating custom molds for each spa model, the same basic components can be configured to fit various applications, significantly reducing manufacturing costs while maintaining adequate structural fit.
Solution Approach 2:
The dimensions and configurations of the smaller rigid panels and pocket structures can be adjusted through parameter changes to suit different spa models. This flexibility allows a single basic design to be adapted to various spa sizes and shapes without requiring entirely custom tooling, balancing manufacturing precision with cost efficiency.
3Stability of the object's composition
If multiple rigid panels are used in each pocket, then rigidity and support are improved, but device complexity increases
Solution Approach 1:
Multiple smaller rigid panels are combined within each pocket along with support structures, creating a unified structural assembly. This merging of multiple components within the confined space of each pocket achieves the desired rigidity and support while containing the complexity within modular units rather than distributing it across the entire cover structure.
Data Source
AI summary
A hard cover for spas, hot tubs and the like has an outer layer defining one or more cover portions that may be hinged together along a common top edge. Each cover portion internally includes a plurality of rigid panels, which may be made of expanded polystyrene or another rigid foam or the like. A support structure that mechanically couples and/or supports the panels is provided to improve the load-bearing capacity of the spa cover, optionally providing sufficient strength to conform to applicable safety standards. The support structure can include beams having various cross-sections, or combinations thereof, and may be provided in multiple segments that are shorter than the overall length of the cover. A vapor barrier film can be provided that encloses the panels and optionally some or all portions of the support structure to protect these components from degradation in the spa environment.