Aerodynamic Bicycle Bottle With Recessed Fixing Elements
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Solution Overview
Problem
Aerodynamic inefficiencies in bicycle handlebar systems with integrated drinking bottles, particularly on time and triathlon bicycles, due to the presence of fixing elements that disrupt airflow and cause turbulence.
Innovation Solution
Designing a bicycle drinking bottle with recesses in its side walls to house the fixing elements, allowing them to be integrated within the bottle's contour, and an additional liquid container positioned below to maintain aerodynamics, along with adjustable and detachable connections for improved airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fixing elements are mounted on the handlebar separately from the drinking bottle, then the drinking bottle can be easily attached and removed, but the fixing elements disrupt airflow and cause turbulence worsening aerodynamics
Solution Approach 1:
The fixing elements are integrated into the drinking bottle by providing recesses in the bottle's side walls that accommodate the fixing elements. This merging of the bottle and fixing elements into a single integrated component eliminates the gap between them, preventing turbulence and improving aerodynamics while maintaining ease of attachment and removal.
Solution Approach 2:
The fixing elements are nested within the recesses of the drinking bottle's side walls. This nesting arrangement allows the fixing elements to be housed within the bottle's outer contour, creating a streamlined shape that reduces aerodynamic drag and eliminates turbulence-causing gaps.
2Adaptability or versatility
If fixing elements are positioned at a distance from the drinking bottle, then the bottle can be independently mounted, but turbulence occurs between the bottle and fixing elements significantly worsening aerodynamics
Solution Approach 1:
The fixing elements are merged with the drinking bottle through recesses in the bottle's side walls. This integration eliminates the distance gap between the bottle and fixing elements, preventing turbulence while the detachable connection via holding elements maintains independent mounting capability.
3Object-affected harmful factors
If the drinking bottle is designed with aerodynamic contours, then airflow is improved, but the presence of separate fixing elements disrupts the aerodynamic shape
Solution Approach 1:
The fixing elements are merged into the aerodynamic contour of the drinking bottle by providing recesses in the side walls. This integration ensures that the fixing elements are flush with the bottle's outer surface, maintaining smooth airflow and preserving the aerodynamic shape.
Solution Approach 2:
The recesses are strategically positioned in the side walls of the bottle to accommodate the fixing elements while maintaining the overall aerodynamic contour. This local modification allows the fixing elements to be integrated without disrupting the global aerodynamic shape, as the recesses are designed to be flush with the outer surface.
Data Source
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AI summary
A bicycle water bottle, particularly suitable for time trial bicycles, has side walls (16, 18). For aerodynamic integration, recesses (48) are provided in the side walls (16, 18) in which fixing elements (50) are arranged when the bottle is mounted. The fixing elements (50) are connected to a handlebar (40) of a bicycle handlebar. Furthermore, mounting elements (56, 58) for receiving forearm supports (60) and/or additional grip elements (62) are connected to the fixing elements (50).