Foldable Electric Vehicle Frame Triangular Stability
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Solution Overview
Problem
Conventional foldable electric vehicles face challenges in achieving both a compact size when folded and stable support when unfolded, with complex and user-unfriendly folding mechanisms, leading to instability and damage during transport.
Innovation Solution
A foldable electric vehicle design featuring a vehicle frame with a back frame that folds into a receiving groove, forming a triangular structure for stability, combined with a draw cord quick unlocking and folding mechanism for simplified operation, and an arch-less bike saddle for reduced storage volume and enhanced comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the foldable cycle frame uses a complex folding mechanism to achieve foldability, then the cycle can be folded for transport, but the overall structure becomes unstable and the folding procedure becomes intricate and not user-friendly
Solution Approach 1:
The foldable cycle frame is divided into distinct segments: a front vehicle frame, a central body, a back vehicle frame, and foldable connecting rods. This segmentation allows each component to be independently designed and folded, simplifying the overall folding mechanism while maintaining structural integrity during transport
Solution Approach 2:
The foldable connecting rods are designed to be nested within the frame structure when folded, with the front and back vehicle frames folding toward the central body. This nesting approach minimizes the folded size and simplifies the folding procedure by eliminating the need for complex external folding mechanisms
2Adaptability or versatility
If the foldable cycle frame uses multiple pivot-points to achieve foldability, then the cycle can be folded, but the overall folding structure becomes unstable
Solution Approach 1:
The lifting handle is extracted as a separate functional component from the folding mechanism itself. This allows the folding action to be simplified while the lifting function is handled by a dedicated mechanism, improving overall structural stability during folding and transport
Solution Approach 2:
The lifting handle is designed to lift the central body before the folding action occurs. This preliminary lifting action positions the central body and connected frames in an optimal configuration for folding, ensuring stable and controlled folding motion while maintaining structural integrity
3Volume of moving object
If the foldable cycle frame is designed to fold into a compact size, then it is easy to carry and transport, but the folding mechanism becomes complex and the structure becomes unsafe
Solution Approach 1:
Instead of using complex external mechanisms to achieve folding, the design inverts the approach by allowing the frame segments to fold inward toward the central body under controlled motion. This inversion simplifies the folding mechanism while achieving compact folded dimensions suitable for transport
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 design allows for a compact, stable, and user-friendly folding mechanism that reduces the risk of damage during transport while providing improved comfort and ease of use.
Implementation Method 1
a draw cord quick unlocking and folding mechanism
Implementation Method 2
a draw cord quick unlocking and folding mechanism
Data Source
Figure 1
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AI summary
The present invention provides a foldable electric vehicle and a foldable vehicle frame thereof, wherein the foldable electric vehicle comprises a front frame adapted for being pivotally arranged on a vehicle body of a cycle, a back frame adapted for being pivotally arranged on a vehicle body of a cycle and an actuating arm arranged between the front frame and the back frame, wherein the actuating arm forms a front end and a rear end, wherein the front frame is pivotally arranged on the front end of the actuating arm, and the back frame is pivotally arranged on the rear end of the actuating arm.