Handlebar Stabilizer Assembly for Steering Vibration Damping
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Solution Overview
Problem
Non-motorized vehicles, such as bicycles, experience high-frequency vibration during steering, leading to poor stability and reduced user comfort due to the stem's rotation, especially when the bicycle body is heavy or the terrain is rugged.
Innovation Solution
A handlebar stabilizer is designed with a rotating member, a cover, and a shock absorbing assembly that includes alternating C-shaped elastic sheets, providing progressive resistance to reduce high-frequency wobbling and enhance stability by using a rotating member with different notch orientations and fixed sections to create frictional forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the stem is allowed to rotate freely for steering control, then the ease of operation is improved, but high-frequency vibration occurs during rotation resulting in poor stability
Solution Approach 1:
The patent introduces a shock absorbing assembly with elastic sheets that change the mechanical parameters of the steering system by adding progressive resistance. The elastic sheets deform under vibration loads, dynamically adjusting the damping characteristics to reduce high-frequency vibrations while preserving steering controllability
Solution Approach 2:
The shock absorbing assembly acts as an intermediary element between the rotating member and the head tube. This intermediate structure absorbs and dissipates vibration energy through the elastic deformation of the sheets, preventing direct transmission of high-frequency vibrations to the handlebars while allowing controlled rotation
2Device complexity
If a traditional shock absorbing structure is used, then the device complexity is reduced, but the ability to absorb high-frequency vibration is insufficient
Solution Approach 1:
The patent employs thin elastic sheets as the core shock absorbing element. These flexible films deform under vibration loads, providing effective damping of high-frequency oscillations. The thin-film structure maintains simplicity while achieving superior vibration absorption compared to traditional rigid shock absorbing structures
Solution Approach 2:
The shock absorbing assembly combines multiple elastic sheets with different orientations and configurations to create a composite damping structure. This composite approach enhances the vibration absorption capability across different vibration modes and directions while maintaining structural simplicity
3Manufacturing precision
If the elastic sheets are oriented in the same direction, then the manufacturing precision is improved, but the shock absorbing effectiveness in multiple directions is reduced
Solution Approach 1:
The patent introduces asymmetry in the orientation of notches across different elastic sheets. By varying the notch orientations in different sheets, the assembly achieves enhanced multi-directional shock absorption capability. This asymmetric configuration allows the structure to effectively damp vibrations from multiple directions while maintaining manufacturing feasibility
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The handlebar stabilizer effectively reduces high-frequency wobbling of the steerer tube, improving stability and user comfort by absorbing shocks and providing resistance during steering.
Implementation Method 1
the shock absorbing assembly includes at least one first elastic sheet and at least one second elastic sheet at least partially alternatively stacked
Implementation Method 2
providing progressive resistance to reduce high-frequency wobbling and enhance stability
Implementation Method 3
create frictional forces
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
A handlebar stabilizer (100) adapted to be disposed on a vehicle frame (200) is provided. The vehicle frame (200) includes a steerer tube (210) and a head tube (220). The steerer tube (210) and the head tube (220) are disposed coaxially. The head tube (220) is sleeved on the steerer tube (210). The handlebar stabilizer (100) includes a rotating member (110), a cover (120), and a shock absorbing assembly (130). The rotating member (110) is sleeved on and linked with the steerer tube (210). An outer edge (111) is formed on the circumference of the rotating member (110). The cover (120) is sleeved on the rotating member (110) and linked with the head tube (220). The shock absorbing assembly (130) is disposed around the rotating member (110) and includes at least one outwardly extending section (136) and at least one fixed section (135). The fixed section (135) is fixed to the cover (120). When the outer edge (111) abuts against the outwardly extending section (136), the outwardly extending section (136) extends outwardly in the radial direction (R).