Playpen frame for easy-to-install enclosure
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Solution Overview
Problem
The existing playpen frame installation process is cumbersome and time-consuming due to the need for threading circular posts through second tube holes during manufacturing and assembly.
Innovation Solution
A playpen frame design featuring support assemblies with oval-shaped support posts and circular arc slats, eliminating the need for second tube holes by using hook-and-loop fasteners for easy assembly and disassembly, allowing the enclosure to be installed by inserting long and short handrail tubes into first tube holes and connecting through gaps between support posts and slats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If circular posts are inserted through second tube holes during manufacturing and assembly, then the enclosure can be assembled, but the manufacturing procedure becomes cumbersome and assembly becomes time-consuming
Solution Approach 1:
The patent removes the second tube holes and circular posts from the enclosure structure. Instead, the enclosure is directly inserted through gaps between the support posts and slats, eliminating the need for threading components and simplifying both manufacturing and assembly processes.
Solution Approach 2:
The support assembly is divided into distinct components: support posts, slats with gaps, and the enclosure. This segmentation allows the enclosure to be independently inserted through the gaps without requiring pre-drilled holes or additional fastening components.
2Reliability
If second tube holes are provided at four corners for circular posts, then the enclosure can be securely attached, but the assembly time increases
Solution Approach 1:
The gaps between the support posts and slats are pre-formed during manufacturing, allowing the enclosure to be directly inserted without requiring on-site drilling or alignment of tube holes. This preliminary preparation significantly reduces assembly time while maintaining secure attachment.
Solution Approach 2:
The gaps between support posts and slats serve as intermediaries that facilitate the insertion and attachment of the enclosure. These gaps act as pre-prepared receptacles that guide and secure the enclosure without requiring additional fastening components.
Data Source
AI summary
A playpen frame for an easy-to-install enclosure includes four support assemblies, two long handrail tubes, two short handrail tubes and a bottom frame. The four support assemblies are distributed at four corners, and each of the support assemblies includes a support base, a support post, a slat and a pivoting piece. A height of the support post is identical to a height of the slat. The slat is located outside the support post, and a gap is arranged between the support post and the slat. The support post and the slat are arranged between the support base and the pivoting piece. The two long handrail tubes are arranged opposite to each other, and the two short handrail tubes are arranged opposite to each other. The long handrail tube or the short handrail tube is arranged between two adjacent pivoting pieces of the four support assemblies.