Handlebar Foldable Mechanism Automatic Locking
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Solution Overview
Problem
Existing handlebar mechanisms for foldable scooters require manual locking and are prone to accidental loosening, complicating operations and compromising safety.
Innovation Solution
A handlebar foldable mechanism with a base, stem, first locking assembly, and second locking assembly, where the first locking assembly automatically engages with a snapping groove when the stem is pivoted from the folded to the unfolded position, and the second locking assembly prevents accidental separation by locking the lever, ensuring secure fixation without manual operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual locking is used for the handlebar, then the structure can be simple, but the safety is low and operations are complicated
Solution Approach 1:
The first locking assembly automatically locks the handlebar in the unfolded state through self-service mechanism. When the handlebar is unfolded, the first locking piece automatically engages with the first locking groove without requiring manual operation, thereby improving safety and reliability while avoiding complicated manual locking procedures
Solution Approach 2:
The locking mechanism is segmented into two independent assemblies: the first locking assembly for automatic locking in unfolded state, and the second locking assembly for manual locking in folded state. This segmentation allows each assembly to be optimized for its specific function, resolving the contradiction between safety and complexity
2Reliability
If manual locking is used for the handlebar, then the device complexity is low, but the handlebar is prone to accidental loosening
Solution Approach 1:
The first locking assembly performs self-service locking when the handlebar is unfolded. The first locking piece automatically engages with the first locking groove through the mechanical structure itself, eliminating the need for manual intervention and preventing accidental loosening while maintaining relatively simple device complexity
Solution Approach 2:
The locking mechanism is designed to perform preliminary locking action automatically when the handlebar transitions to the unfolded state. The first locking piece is positioned and engaged before any potential accidental forces can act on the handlebar, ensuring reliable locking without requiring complex additional structures
3Reliability
If automatic locking is implemented, then safety is enhanced, but the device complexity increases
Solution Approach 1:
The locking system is divided into two separate locking assemblies with distinct functions. The first locking assembly provides automatic locking for the unfolded state with simple structure, while the second locking assembly handles the folded state. This segmentation enables automatic locking functionality without requiring the entire system to be complex
Solution Approach 2:
The automatic locking function is extracted as a separate first locking assembly independent from the traditional manual locking mechanism. This extracted automatic locking mechanism has its own simple structure specialized for unfolded state locking, avoiding the need to complicate the overall locking system while enhancing safety
Data Source
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AI summary
A handlebar foldable mechanism (100) and a tool for riding instead of walk are provided. The handlebar foldable mechanism includes a base (1), a stem (2), a first locking assembly (5), a lever (4) and a second locking assembly (6). The base is provided with a first snapping groove (11), the stem is connected to the base and is pivotable between an unfolded position and a folded position, the first locking assembly is pivotably connected to the stem and is configured to be engaged with the first snapping groove when the stem is pivoted from the folded position to the unfolded position, the lever is pivotably connected with the base, the second locking assembly is mounted to the lever, and the second locking assembly is configured to be connected to at least one of the base and the stem when the stem is at the unfolded position.