Bicycle Handlebar Stem Integrating Display Unit
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Solution Overview
Problem
Conventional methods for installing accessories like display units on bicycle handlebars result in a cluttered and heavy structure due to the use of multiple protruding components and complex mounting systems.
Innovation Solution
A bicycle handlebar stem with a hollow tube and a reinforcement slot that houses a display unit with a Liquid Crystal Display screen, operation buttons, and a power source, providing a streamlined and reinforced mounting solution that reduces complexity and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple accessories are directly secured to the handlebar by fastening members, then the display unit can be installed on the handlebar, but the handlebar becomes messy and cluttered
Solution Approach 1:
The patent integrates the display unit mounting function into the handlebar stem itself by creating a receiving space within the stem structure. The display unit is housed inside the hollow tube of the stem, merging the support function with the mounting function, thereby eliminating the need for separate fastening members and transverse tubes that would clutter the handlebar appearance.
Solution Approach 2:
The display unit is nested within the hollow tube of the handlebar stem. The receiving space is formed by the hollow tube structure, allowing the display unit to be contained within the stem's internal cavity. This nesting approach hides the display unit within the stem structure, maintaining a clean and streamlined handlebar appearance.
2Reliability
If a transverse tube with locking unit, ribs, rod and fastening member is installed to secure the display unit, then the display unit can be firmly mounted, but the structure becomes complicated and heavy
Solution Approach 1:
The patent combines multiple mounting components (transverse tube, locking unit, ribs, rod, and fastening member) into a single integrated handlebar stem structure. The hollow tube of the stem serves as both the structural support and the mounting mechanism, eliminating the need for separate components and significantly reducing structural complexity.
Solution Approach 2:
The handlebar stem is designed to perform multiple functions: it provides structural support for the handlebar, contains a hollow tube that forms a receiving space for the display unit, and incorporates reinforcement portions to ensure mounting stability. This multi-functional design eliminates the need for dedicated mounting components, simplifying the overall structure.
3Reliability
If a transverse tube with locking unit is used to mount the display unit, then the display unit can be securely fastened, but the overall weight of the handlebar assembly increases
Solution Approach 1:
The patent merges the mounting function into the existing handlebar stem structure, eliminating the need for additional heavy components such as transverse tubes, locking units, and fastening members. The hollow tube of the stem itself provides the mounting capability, significantly reducing the overall weight of the handlebar assembly.
Solution Approach 2:
The handlebar stem is designed as a multi-functional component that simultaneously provides structural support and display unit mounting capabilities. By making the stem itself the mounting mechanism, the design eliminates redundant components and reduces the total weight of the handlebar assembly while maintaining secure mounting reliability.
Data Source
AI summary
A bicycle handlebar stem is a hollow tube which has a slot defined therein. The hollow tube has a reinforcement portion to reinforce the structural strength of the hollow tube. A receiving space is defined between the reinforcement portion and the hollow tube. A display unit is located in the receiving space and has at least one Liquid Crystal Display screen, an operation button and an enter button. The display unit has a room to receive a power source therein. The display unit protrudes beyond the outer surface of the hollow tube.