Foldable Play Yard with Floor-Driven Corner Post Folding Mechanism
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Solution Overview
Problem
Conventional play yards are difficult for caregivers to fold and unfold, making them cumbersome for use and transportation.
Innovation Solution
A foldable play yard design featuring a floor assembly, top rail assembly, and corner post assembly, where the floor assembly drives the corner post assembly to pivot the top rail assembly for easy folding and unfolding, allowing the play yard to be compactly folded and unfolded with minimal effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional play yard design is used, then structural stability is maintained, but folding and unfolding becomes difficult and cumbersome
Solution Approach 1:
The play yard is divided into modular components including floor assembly, top rail assembly, and corner post assembly that can independently fold and unfold. Each corner post assembly includes first and second columns that can move relative to each other, allowing segmented folding action rather than requiring the entire structure to be manipulated at once.
Solution Approach 2:
The floor assembly is combined with corner post assemblies through pivotal connections, and top rail assemblies are combined with corner posts through movable connections. This merging creates a coordinated system where folding the floor assembly automatically triggers the folding of corner posts and top rails through shared mechanical connections, reducing the number of independent folding actions required.
2Ease of operation
If multiple steps are required for folding, then structural integrity is maintained, but user convenience deteriorates
Solution Approach 1:
The corner post assemblies are pre-configured with movable connections between first and second columns, and pivotal connections to both floor and top rail assemblies. This preliminary arrangement of components allows the folding action to propagate automatically through the structure when the floor assembly is folded, eliminating the need for users to perform multiple sequential folding steps.
Solution Approach 2:
The mechanical connections are designed so that folding the floor assembly automatically drives the corner post assemblies to fold, which in turn drives the top rail assemblies to fold. The system serves itself through coordinated mechanical action, with each component's movement triggering the next, reducing user intervention to a single initiating action.
3Ease of operation
If corner post assembly is movably coupled to upper beam, then folding ease is improved, but structural stability during operation may be compromised
Solution Approach 1:
The connection between corner post assemblies and top rail assemblies is designed to be dynamic rather than fixed. The movable coupling allows the structure to transition between folded and unfolded states smoothly, while maintaining stability in each state through the mechanical constraints of the pivotal and slidable connections.
Solution Approach 2:
The corner post assemblies serve as intermediary elements between the floor assembly and top rail assemblies. The movable connections at both ends of the corner posts allow them to mediate the folding motion, transmitting the folding action from the floor assembly to the top rails while maintaining structural coherence throughout the transition.
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
Enables caregivers to easily fold and unfold the play yard with one hand, providing compact storage and easy transportation while maintaining stability and symmetry during the folding and unfolding processes.
Implementation Method 1
The at least one corner post assembly is movably coupled to the at least one upper beam. The floor assembly drives the at least one corner post assembly to drive the at least one upper beam to pivot to drive the at least one top rail assembly to be folded
Implementation Method 2
The at least one floor beam drives the at least one corner post assembly to move relative to each other
Data Source
AI summary
A foldable play yard is disclosed and includes a floor assembly, at least one top rail assembly and at least one corner post assembly. The at least one top rail assembly includes at least one upper beam. The at least one corner post assembly is movably coupled to the at least one upper beam. The floor assembly drives the at least one corner post assembly to drive the at least one upper beam to pivot to drive the at least one top rail assembly to be folded when the floor assembly is folded, and the floor assembly drives the at least one corner post assembly to drive the at least one upper beam to pivot to drive the at least one top rail assembly to be unfolded when the floor assembly is unfolded.