Foldable Children's Vehicle Frame with Linkage Steering
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Solution Overview
Problem
Existing children's vehicles are non-foldable, leading to large space occupation and inconvenience in storage, transportation, and daily use due to their bulky structure.
Innovation Solution
A foldable children's vehicle design featuring a main vehicle frame with rotatable and sliding components, including a joystick, connecting rods, and a steering mechanism that allows the vehicle to be compactly folded, reducing its overall height and width, and facilitating easy storage and carrying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the children's vehicle adopts a non-foldable structure to maintain structural stability and functionality, then the vehicle body remains rigid and functional, but the space occupation increases and storage convenience deteriorates
Solution Approach 1:
The vehicle body is divided into multiple foldable sections including the seat backrest, seat base, and steering column. Each section can be independently folded or adjusted, allowing the overall structure to be compacted for storage while maintaining structural integrity during use. The seat backrest can be folded against the seat base, and the steering column can be collapsed, significantly reducing the space occupation without compromising the vehicle's functionality when assembled.
Solution Approach 2:
The vehicle transitions from a static non-foldable structure to a dynamic foldable structure. The seat, steering column, and other components are designed with movable joints and hinges that allow them to change configuration between operational and storage states. This dynamic capability enables the vehicle to adapt its form factor, occupying large space during use for stability and functionality, but compacting to minimal space during storage.
2Stability of the object's composition
If the children's vehicle uses a non-foldable design to ensure structural integrity, then the vehicle maintains its shape and stability, but the convenience of storage and transportation deteriorates
Solution Approach 1:
The vehicle is segmented into modular components connected by joints and hinges. The seat assembly, steering column, and wheel assemblies can be independently folded or detached. This segmentation allows each component to maintain its structural integrity when assembled, while enabling compact folding when disassembled for storage or transportation.
Solution Approach 2:
The foldable design allows components to nest within each other during storage. The steering column can be collapsed and stored within the vehicle body, the seat backrest can be folded against the seat base, and the overall structure can be compacted to a fraction of its operational size, significantly improving storage convenience while maintaining structural integrity during use.
3Adaptability or versatility
If the children's vehicle maintains a fixed bulky structure to provide driving functionality, then the driving pleasure is ensured, but the portability and carrying convenience deteriorate
Solution Approach 1:
The vehicle incorporates dynamic folding mechanisms that allow it to transition between operational and portable states. The steering column features telescopic sections that can be extended for driving functionality and collapsed for portability. The seat assembly includes foldable backrest and base sections that maintain comfort during use but can be compacted for easy carrying.
Solution Approach 2:
The vehicle is divided into separable modules including the seat assembly, steering column, and wheel assemblies. These segmented components can be folded independently or detached from each other, allowing the vehicle to maintain full driving functionality when assembled while enabling compact storage and easy portability when disassembled. The modular design ensures that each component retains its functional integrity while contributing to overall portability.
Data Source
AI summary
Disclosed is a children's vehicle, which comprises a main vehicle frame extending in a front-rear direction, two front wheels disposed respectively on the left and right sides of the bottom-front portion of the main vehicle frame, a joystick extending upwardly inclined from front to rear, a sliding member slidingly disposed on the main vehicle frame, and a connecting bar rotatably connected between the joystick and the sliding member, wherein a lower portion of the joystick is connected to rotatably a front portion of the main vehicle frame. The children's vehicle further comprises first connecting rods, one end of each of which is rotatably connected on the main vehicle frame, and second connecting rods rotatably connected between the first connecting rods and the sliding member, the front wheels are mounted on the other ends of the first connecting rods. When the children's vehicle switches from an unfolded state to a folded state, the joystick is folded close to the main vehicle frame, the second connecting rods drive the first connecting rods to close to the main vehicle frame, and the two front wheels are folded close to the left and right sides of the main vehicle frame. When folded, the children's vehicle is very flat and compact, and the overall height and width thereof are greatly reduced.