Aerodynamic Handlebar with Integrated Detachable Liquid Storage
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Solution Overview
Problem
Racing bicycles are hindered by the aerodynamic inefficiencies caused by drinking bottles and holders on the down tube or seat tube, which compromise both weight and aerodynamic performance.
Innovation Solution
A detachable, aerodynamically designed liquid storage container is integrated into the bicycle handlebar, featuring a transverse element with gripping elements and a liquid receptacle that minimizes aerodynamic disruption, allowing for direct fluid intake via a drinking straw without the need for external holders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If drinking bottles and holders are provided on the down tube or seat tube, then liquid storage is enabled, but aerodynamic performance deteriorates
Solution Approach 1:
The liquid storage container is relocated from the vertical down tube or seat tube area to the horizontal handlebar region, changing the spatial dimension of liquid storage. This allows the container to be positioned in a location that does not interfere with the main aerodynamic flow path along the bike frame, thereby maintaining aerodynamic performance while still providing liquid storage capacity.
Solution Approach 2:
The handlebar area is specifically adapted to accommodate the liquid storage container by integrating it with the transverse element structure. This localized integration ensures that only the necessary portion of the bike is modified, and the container is positioned where it can be accessed without compromising overall aerodynamics.
2Object-affected harmful factors
If a one-piece handlebar with integrated liquid cavity is used, then aerodynamics are improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The liquid storage container is designed as a separate, detachable component rather than being integrated into the handlebar as a one-piece structure. This segmentation allows the container to be independently manufactured, tested, and replaced, simplifying the overall device complexity while maintaining the aerodynamic benefits of integration when the container is attached.
Solution Approach 2:
The liquid storage container is made detachable from the handlebar, allowing the system to dynamically change configuration. The container can be attached when liquid storage is needed and removed when not needed, providing flexibility and simplifying maintenance or replacement without requiring complex integrated structures.
3Quantity of substance
If drinking bottles are placed in holders on the down tube or seat tube, then liquid storage is provided, but the bicycle weight increases
Solution Approach 1:
The liquid storage container is merged with the handlebar structure by integrating it with the transverse element. This combination eliminates the need for separate bottle holders and mounting hardware on the frame, reducing overall system weight while providing equivalent liquid storage capacity. The integrated design consolidates multiple components into a unified structure.
Data Source
Figure 1~4
AI summary
A bicycle handlebar, in particular a racing handlebar, has a transverse element (12) that extends transversely to the direction of travel (16). The transverse element (12) is connected to two gripping elements (14, 21). To improve aerodynamics, an aerodynamically designed liquid storage container (10, 42) is detachably connected to the transverse element (12).