Foldable Scooter Frame Segmentation for Compact Storage
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Solution Overview
Problem
Existing foldable electric scooters cannot fold their frames, resulting in unchanged overall length when folded, and occupy excessive horizontal space when lying on the ground, making storage and transportation inconvenient.
Innovation Solution
A foldable scooter design featuring a front frame and a rear frame with connecting frames that rotate to allow the frames to fold, reducing the overall length and horizontal space occupied, while maintaining stability and compactness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the handle assembly and seat assembly are folded, then the space occupied by the electric scooter is reduced, but the frame cannot be folded so the overall length remains the same and horizontal space cannot be reduced
Solution Approach 1:
The scooter frame is divided into multiple segments (first connecting frame, second connecting frame, third connecting frame, fourth connecting frame) that can be folded relative to each other. This segmentation allows the frame to collapse into a compact configuration, reducing both overall length and horizontal space when folded, while maintaining structural integrity during use.
Solution Approach 2:
The frame incorporates rotatable connections between different frame segments, enabling dynamic transformation between an extended operational state and a folded storage state. This dynamic structure allows the scooter to adapt its dimensions based on usage requirements, resolving the contradiction between maintaining length for stability and reducing length for compactness.
2Strength
If the frame is made rigid to maintain stability, then structural strength is improved, but the ability to fold and reduce space is lost
Solution Approach 1:
The frame is segmented into multiple rigid sections connected by rotatable joints. Each segment maintains structural rigidity for stability during use, while the joints enable folding when storage is needed. This segmentation allows the frame to exhibit both rigid and flexible characteristics depending on the operational state.
Solution Approach 2:
The frame transitions from a static rigid structure to a dynamic structure with rotatable connections. During normal use, the frame maintains rigidity for stability; during folding, the rotatable joints enable controlled movement while preserving structural integrity. This dynamic capability resolves the contradiction between structural strength and foldability.
Data Source
AI summary
The present invention relates to an electric scooter, and in particular to a foldable scooter. A foldable scooter is provided, comprising a front frame and a rear frame, wherein the front frame comprises a front fixation portion, and a first connecting frame and a second connecting frame which extend longitudinally; the front and rear ends of the first connecting frame are oppositely located above the front and rear ends of the second connecting frame; the rear frame comprises a rear fixation portion, and a third connecting frame and a fourth connecting frame which extend longitudinally; both the front end of the first connecting frame and the front end of the second connecting frame are fixed to the front fixation portion in a rotatable manner; the front end of the third connecting frame is fixed to the rear end of the first connecting frame in a rotatable manner, the third connecting frame deviating from its end is fixed to the rear end of the second connecting frame in a rotatable manner, and the rear end of the third connecting frame is connected to the rear fixation portion; and, the rear end of the fourth connecting frame is fixed to the third connecting frame or the rear fixation portion in a rotatable manner, while the rear end thereof is fixed to the first connecting frame in a rotatable manner. The present invention has the advantage that the folded scooter occupies less space and is more convenient for storage and transportation.