Modular Plastic Playyard Base Unit with Tool-Free Connector Assembly
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Solution Overview
Problem
Existing playyard and barrier systems require complex assembly and tools for configuration, and lack the ability to easily convert between enclosure and barrier forms without compromising structural integrity or ease of use.
Innovation Solution
A plastic base unit system featuring a frame with pivoting connectors and H-channel structure, allowing for easy assembly and conversion between enclosure and barrier forms using a simple hand wheel mechanism, with connectors that engage and disengage quickly, enabling the formation of various configurations without the need for tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional playyard and barrier systems are used, then structural integrity is maintained, but assembly complexity increases and tool-free conversion between forms becomes difficult
Solution Approach 1:
The barrier system is divided into multiple identical base units, each comprising a frame with four frame members and a body. These modular segments can be independently assembled and connected through connectors, allowing complex barriers to be built from simple repeating units that require minimal assembly steps.
Solution Approach 2:
The base units are designed with universal connectors that enable the same modular component to function in multiple configurations - forming either enclosed playyards when connected on all sides or open barriers when connected on three sides. The obliquely positioned connectors allow alternating flip orientation to achieve different geometric arrangements without requiring different components.
2Adaptability or versatility
If traditional barrier systems are used, then structural stability is maintained, but conversion between enclosure and barrier forms requires tools and time
Solution Approach 1:
The connector design enables dynamic reconfiguration of the barrier system. The pivoting axis in the second plane and oblique positioning allow connectors to be quickly engaged and disengaged without tools, permitting the structure to transition between enclosed and open forms. The alternating flip orientation capability further enhances this dynamic adaptability.
Solution Approach 2:
The connectors serve as intermediary elements that facilitate quick form conversion. With the first and second connectors engaged to the first member and third and fourth connectors engaged to the second member, the system can be rapidly reconfigured by engaging or disengaging these intermediary connection points, eliminating the need for tools and reducing conversion time.
3Reliability
If complex assembly systems are used, then structural integrity is ensured, but ease of use and cost-effectiveness decrease
Solution Approach 1:
The frame members are merged with H-channel structures that run endlessly about the frame, providing inherent structural integrity through the continuous H-channel reinforcement. This integration eliminates the need for separate bracing components, simplifying manufacturing while maintaining strength.
Solution Approach 2:
The base units combine plastic frame members with H-channel structures and network bodies to create a composite structure that achieves high structural integrity through material combination rather than complex assembly. The H-channels provide rigid support while the plastic components offer flexibility and ease of manufacturing.
Data Source
AI summary
A base unit includes first and fourth connectors that are obliquely positioned relative to each other such that a first connector of a first base unit is engagable to a fourth connector of a second base unit. The present base unit further includes second and third connectors that are obliquely positioned relative to each other such that a second connector of the first base unit is engagable to a third connector of the second base unit. A set of base units may form a self-standing playyard enclosure or one or more of the base units may be clamped by the jaws of a bracket that in turn is pivotably engaged to a wall mount.