Stroller Moving Structure for Bicycle Conversion and Compact Folding
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Solution Overview
Problem
Conventional strollers are limited in utility, occupy excessive space due to complex folding mechanisms, and contribute to resource waste and environmental pollution as they are often discarded when children outgrow them, rather than being repurposed.
Innovation Solution
A stroller design that incorporates a moving structure allowing conversion into a bicycle or kickboard, featuring a hinge-connected support frame, a guide frame for folding, and a drive frame with interchangeable wheel configurations, enabling easy folding and reuse as a three-wheeled bicycle or kickboard.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the stroller uses a fixed frame structure, then the structural stability is improved, but the adaptability deteriorates because it can only be used for stroller purposes
Solution Approach 1:
The frame structure is designed with movable and detachable connections that allow it to transition between different configurations. The lower support frame can be detached from the upper support frame, and the guide frame enables the lower support frame to fold and extend, transforming the static frame into a dynamic structure that adapts between stroller, bicycle, and kickboard modes
Solution Approach 2:
The frame structure is designed to serve multiple functions by incorporating detachable and reconfigurable components. The same frame components can be arranged differently to create a stroller, a three-wheeled bicycle, or a kickboard, making the structure universal across different usage scenarios
2Adaptability or versatility
If the stroller uses a foldable frame structure, then the adaptability is improved, but the device complexity increases leading to complicated folding mechanisms
Solution Approach 1:
The frame is divided into distinct modular segments: an upper support frame and a lower support frame connected by a detachable connection, and a guide frame that separates folding guidance from the support structure. This segmentation allows each component to have a simple, dedicated function rather than a complex integrated mechanism
Solution Approach 2:
The guide frame acts as an intermediary component that provides folding guidance without being part of the primary support structure. It includes guide grooves and rollers that enable smooth folding motion while maintaining structural integrity, simplifying the overall folding mechanism
3Adaptability or versatility
If the stroller uses a complex folding structure, then the adaptability is improved, but the volume increases occupying excessive space
Solution Approach 1:
When folded, the lower support frame nests within or alongside the upper support frame, with the guide frame enabling compact alignment. The modular design allows components to be stacked or nested together, minimizing the overall volume when folded for storage or transport
4Ease of manufacture
If the stroller is designed as a single-use product, then the ease of manufacture is improved, but the loss of substance increases due to discarding after use
Solution Approach 1:
The stroller is designed with universal components that can serve multiple functions across different product types. The frame, wheels, and seat can be reconfigured from a stroller into a three-wheeled bicycle or kickboard, allowing the same physical components to remain in use well beyond the original stroller function
Solution Approach 2:
The design enables recovery and reuse of the stroller components for other purposes. Instead of discarding the stroller when the child outgrows it, the components can be reconfigured into a bicycle or kickboard that can be used by older children or even adults, recovering the value of the original investment
Data Source
AI summary
The present disclosure relates to a stroller comprising: a sheet portion including a sheet; a support frame including an upper support frame supporting the sheet, a lower support frame rotatably connected to the upper support frame by a hinge portion, and a frame support that maintains a fixed state between the upper support frame and the lower support frame; and a moving structure to which the support frame is detachably connected, the moving structure including a guide frame that allows the lower support layer to fold and support and is extended in the length direction, a drive frame including a rear wheel coupling portion having a front wheel coupling portion connected in a ‘¬’ shape to the front part of the guide frame and a rear wheel coupling portion having coupling shaft portions formed on both sides of the rear end of the guide frame, a front wheel supported by a support fork to be installed on the front wheel coupling portion, and a rear wheel installed on the rear wheel coupling portion through a rear wheel connecting shaft.