Modular Wagon With Interchangeable Accessories and Folding Chassis
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Solution Overview
Problem
Conventional consumer-use wagons lack versatility and flexibility for multi-purpose use, such as accommodating seated children and various types of cargo, and often require improvements in handle positioning and storage configurations.
Innovation Solution
A modular wagon design featuring a collapsible footwell, position-locking handle, and interchangeable accessories that allow for customizable configurations to accommodate different loads and user needs, including removable sidewalls and adapters for child seats and other accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional wagon designs are used, then the structure is simple, but the versatility and adaptability for multi-purpose use is limited
Solution Approach 1:
The wagon is divided into modular components including a chassis, removable wagon bed, interchangeable accessories (child seats, coolers, storage bins), and adjustable handle assemblies. Each module can be independently configured or removed to adapt to different usage scenarios, enabling multi-purpose functionality without requiring a completely different wagon design for each application.
Solution Approach 2:
The wagon chassis serves as a universal base that can accommodate multiple types of wagon beds and accessories through standardized coupling mechanisms. The handle assembly can be repositioned and reconfigured for different pulling/pushing needs, and the wagon bed can be removed or replaced based on cargo requirements, making a single wagon system suitable for transporting children, cargo, coolers, or outdoor equipment.
2Ease of operation
If the handle is fixed in position, then the structure is simple, but the ease of operation for different user needs is reduced
Solution Approach 1:
The handle assembly is designed with dynamic positioning capabilities, allowing it to be repositioned along the chassis and adjusted to different angles. This enables the handle to adapt to different user heights, pulling preferences, and maneuvering requirements, improving ease of operation while maintaining a relatively simple mechanical adjustment mechanism.
3Ease of operation
If the footwell is fixed in extended position, then child comfort is improved, but the storage space and compactness are reduced
Solution Approach 1:
The footwell is designed as a collapsible or retractable component that can be extended to provide child comfort during operation, then collapsed or removed to maximize storage space when the wagon is not in use or when transporting cargo that requires additional space. This dynamic configuration allows the footwell to serve different functions based on operational needs.
4Adaptability or versatility
If the wagon bed is permanently attached, then the structural stability is improved, but the adaptability for different cargo types is reduced
Solution Approach 1:
The wagon bed is designed as a removable module that can be detached from the chassis and replaced with different bed configurations or accessories based on cargo requirements. The coupling mechanism provides stable attachment during transport, then allows easy removal when configuration changes are needed, balancing structural stability with adaptability.
Data Source
AI summary
A wagon assembly includes a wagon chassis having a frame with a first end, a second, a left side, and a right side, a handle coupled to the frame, a deck coupled to the frame, the deck having a population of openings arranged in a plurality of rows and columns, and a first pair of wheels coupled to the frame. The wagon chassis may also include a second pair of wheels coupled to the frame. At least one opening of the population of openings in the deck is configured to receive a peg of an additional component to couple the additional component to the wagon chassis. The wagon chassis may include first and second chassis portions rotatably connected to one another, wherein the wagon chassis is configured to fold and unfold along a fold axis extending from the left side to the right side of the wagon chassis.