Folding Pedal Assembly With Locking Linkage for Manned Electric Trailers
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Solution Overview
Problem
Existing outdoor trailers cannot carry people, require manual or electric power for movement, and are prone to collisions due to fast speeds, leading to user fatigue and poor experience.
Innovation Solution
A manned folding pedal assembly for an outdoor foldable electric trailer, comprising a folding frame with a power wheel, control rod, and a folding pedal assembly that includes a connecting rod locking mechanism and universal wheel assembly for movable connection, allowing for manned operation and collision avoidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the trailer is designed as a folding structure for convenient storage and transportation, then the storage space efficiency is improved, but the structural complexity increases
Solution Approach 1:
The trailer body is divided into multiple folding sections that can be collapsed into each other, allowing the structure to reduce its volume for storage while maintaining a large expanded volume for use. This segmentation enables the trailer to transition between compact and expanded states without requiring complete disassembly.
Solution Approach 2:
The trailer employs dynamic folding mechanisms with movable joints and locking systems that allow the structure to transition between fixed and collapsed states. The locking mechanism ensures structural stability when expanded, while enabling easy folding when needed, thus managing the complexity through controlled dynamic behavior.
2Ease of operation
If the trailer is designed to carry people, then the user experience and comfort are improved, but the safety risks and design complexity increase
Solution Approach 1:
The trailer is designed as a multi-functional platform that can accommodate both cargo transport and human passengers. The folding pedal assembly serves dual purposes: it provides structural support for the trailer body and creates a protected space for users. This universal design allows the same structure to serve multiple functions without requiring separate dedicated systems.
Solution Approach 2:
The folding pedal assembly is designed with inherent structural characteristics that provide passive safety protection for users. The folded state of the pedals creates a natural barrier and protected space, cushioning users from potential impacts during collisions. This beforehand cushioning approach builds safety into the structure itself rather than adding separate safety systems.
3Ease of operation
If the folding pedal assembly is made movable for flexible positioning, then the ease of operation is improved, but the structural stability and reliability worsen
Solution Approach 1:
The folding pedal assembly incorporates movable joints that allow flexible positioning and adjustment. These joints are designed with controlled degrees of freedom, enabling the pedals to move and fold while maintaining structural integrity. The dynamic design allows the assembly to adapt to different operational requirements while preserving reliability through proper joint design.
Solution Approach 2:
Connecting rods serve as intermediary elements between the movable pedal components and the fixed trailer frame. These connecting rods transmit forces and movements while maintaining structural stability, acting as mediators that allow flexibility in positioning without compromising the overall structural reliability of the assembly.
Data Source
AI summary
Disclosed is a manned folding pedal of an outdoor folding electric trailer, including a folding frame, where a power wheel is mounted at the bottom of one end of the folding frame, a control rod is mounted above one end of the frame far away from the power wheel, a folding pedal assembly is rotatably arranged below one end of the vehicle frame provided with the control rod, and the folding pedal assembly is movably connected with a universal wheel assembly. Manned use of the electric trailer is achieved through the folding pedal assembly, and the use experience of a user is improved. Fixing of the folding pedal assembly is achieved, and normal motion of the electric trailer is not affected due to the movable arrangement of the universal wheel assembly, thus improving the practicability and convenience of the electric trailer.