Adjustable Playpen Bottom Support With Foldable Height Positioning
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Solution Overview
Problem
Conventional baby playpens lack the ability to adjust the height of the mattress from the ground, making them inconvenient for use with children of different ages and requiring additional, costly three-layer mattresses to provide adequate support.
Innovation Solution
A foldable skeleton with a height adjustment mechanism that includes hooks, guide slots, and adjustable stripes, allowing the seat fabric to be slidably positioned to alter the height of the bottom surface from the ground, enabling the playpen to accommodate various heights and facilitating folding for space-saving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional baby playpen with fixed skeleton height is used, then the structure is simple and manufacturing cost is low, but the height of the bottom surface cannot be adjusted making it inconvenient for different children
Solution Approach 1:
The skeleton structure is transformed from a fixed state to an adjustable state through the height adjustment mechanism. The seat fabric can be repositioned along the vertical poles at different heights, and the locking mechanism enables dynamic adaptation to various user needs while maintaining structural integrity.
Solution Approach 2:
The height adjustment mechanism serves multiple functions: it adjusts the bottom surface height for different children, provides stable support at each position through the locking mechanism, and maintains the foldable structure for portability. This single mechanism addresses adaptability, stability, and convenience requirements.
2Reliability
If a three-layer mattress is used to provide adequate support, then baby support is improved, but the volume of transported material and manufacturing cost increase
Solution Approach 1:
The support function is extracted from the mattress system and transferred to the skeleton structure. The rigid skeleton with its vertical poles and bottom frame provides the primary structural support, allowing the use of a thinner, lighter mattress that only needs to provide comfort rather than structural support.
Solution Approach 2:
The adjustable height mechanism allows the playpen to adapt to different children's needs, providing adequate support and comfort for each user without requiring multiple heavy mattresses. The single adjustable structure replaces what would otherwise require multiple fixed-height mattresses.
3Ease of operation
If the seat fabric is fixed on the skeleton at a certain height, then the structure is simple, but it is difficult for a baby sitter to hold a baby who cannot stand up
Solution Approach 1:
The seat fabric positioning is transformed from a fixed state to an adjustable state. The fabric can be repositioned to different heights on the vertical poles, allowing caregivers to adjust the bottom surface height to facilitate easy baby access and caregiver interaction while maintaining structural simplicity.
4Adaptability or versatility
If the playpen is designed with fixed dimensions, then manufacturing is simple, but it cannot accommodate children of different ages and heights
Solution Approach 1:
The playpen transitions from a fixed-dimension design to an adjustable-dimension design. The height adjustment mechanism allows the same structure to accommodate children of different ages and heights, extending the product's usable life and versatility without complicating the basic manufacturing process.
Solution Approach 2:
The adjustable height mechanism makes a single playpen structure universally applicable to multiple children of different ages and sizes. This multi-functional capability replaces what would otherwise require multiple fixed-size playpens, simplifying manufacturing while expanding adaptability.
Data Source
AI summary
An adjustment mechanism for altering a height of a baby playpen from the ground to a bottom of the baby playpen is disclosed. The adjustment mechanism includes a foldable skeleton, a seat fabric slideably put on the foldable skeleton to construct a plurality of side surface and a bottom surface for forming an accommodation space, and a height adjustment positioning mechanism disposed between the foldable skeleton and the seat fabric thereby altering the height of the bottom surface from the ground by adjusting the seat fabric.