Collapsible Kayak Telescoping Hull Design
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Solution Overview
Problem
Transporting and storing personal water vessels like kayaks and canoes is challenging due to their substantial size, and existing collapsible designs have not provided satisfactory solutions for easier assembly and disassembly.
Innovation Solution
A collapsible kayak design featuring a multi-section hull with longitudinally slidable extensions that retract and extend, forming sealing contacts for structural integrity and ease of assembly, along with tension spars for securing the extended configuration, allowing for efficient transport and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the kayak is made collapsible to reduce size for transport and storage, then the volume and length are reduced, but the structural integrity and ease of assembly become compromised
Solution Approach 1:
The kayak hull is divided into multiple telescoping sections that nest within each other when collapsed. Each section contains an inner hull portion that slides within an outer hull portion, allowing the kayak to reduce to a compact size for transport while maintaining full size for use. The sealing elements ensure watertight connections between nested sections.
Solution Approach 2:
The kayak is segmented into multiple detachable hull sections that can be assembled and disassembled. Each section includes inner and outer hull portions with sealing elements, allowing the kayak to be broken down into manageable segments for easy transport and storage while reconstructing into a complete vessel for use.
2Volume of moving object
If the kayak is made collapsible to reduce size, then the volume is reduced, but the device complexity increases
Solution Approach 1:
The kayak employs dynamic telescoping sections that can smoothly extend and retract. The inner hull portions slide within outer hull portions along longitudinal axes, allowing dynamic transformation between collapsed and extended states. This dynamic mechanism simplifies the transition process compared to rigid assembly methods.
Solution Approach 2:
Sealing elements act as intermediaries between adjacent hull sections, providing both sealing functionality and structural connection. These sealing elements facilitate the joining of sections while maintaining watertight integrity, simplifying the assembly process by combining multiple functions into single components.
3Volume of moving object
If telescoping sections are used to reduce kayak size, then the volume is reduced, but the difficulty of detecting and measuring proper assembly increases
Solution Approach 1:
The sealing elements include visual indicators that change appearance or become visible when properly engaged. This allows users to easily detect whether the telescoping sections are correctly assembled and locked in place, solving the problem of verifying proper assembly in the collapsed configuration.
Data Source
AI summary
A collapsible water vessel has a center hull section, a first plurality of hull extensions longitudinally slidable through an opening at a first end of the center hull section between extended and collapsed positions, and a second plurality of hull extensions longitudinally slidable through an opening at a second end of the center hull section between extended and collapsed positions. When the first plurality of hull extensions are in the extended configuration, adjacent hull extensions thereof form a sealing contact therebetween and an inboard most hull extension thereof forms a sealing contact with the center hull section. And when the second plurality of hull extensions are in the extended configuration, adjacent hull extensions thereof form a sealing contact therebetween and an inboard most hull extension thereof forms a sealing contact with the center hull section.