Child Safety Seat Side Protection for Sideways Impact Absorption
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Solution Overview
Problem
Conventional child safety seats inadequately protect children during sideways collisions, relying solely on the sidewalls of the backrest and headrest for impact absorption, which is insufficient.
Innovation Solution
A child safety seat design featuring a side protection part with cushioning structures integrated into the sidewalls that extend from the seat portion to the backrest, providing additional elastic resilience and deformation to absorb and dissipate collision energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional child safety seats rely only on sidewalls of backrest and headrest for protection, then the structure remains simple, but the protection against sideways collision is insufficient
Solution Approach 1:
The side protection part is divided into multiple functional zones: a first side protection region with cushioning structures for impact absorption, and a second side protection region without cushioning structures for structural support. This segmentation allows the seat to provide enhanced sideways collision protection through targeted cushioning while maintaining structural integrity and avoiding excessive complexity throughout the entire side protection part.
2Area of stationary object
If side protection part extends from seat portion to top of backrest, then coverage area increases for better protection, but the amount of material and complexity increase
Solution Approach 1:
The side protection part features non-uniform distribution of cushioning structures: the first side protection region contains cushioning structures for enhanced protection, while the second side protection region lacks these structures. This local quality variation provides comprehensive coverage from seat portion to backrest top, optimizes material usage by concentrating cushioning elements where most needed, and reduces overall material quantity compared to uniform cushioning throughout.
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
The child safety seat effectively cushions and protects children during sideways collisions by dissipating impact energy, offering enhanced protection beyond conventional designs.
Implementation Method 1
the side protection part has one or more cushioning structure... providing additional elastic resilience and deformation to absorb and dissipate collision energy
Data Source
AI summary
A child safety seat includes a seat shell and a side protection part. The seat shell has a seat portion, a backrest portion and a sidewall, the sidewall protruding forward from the backrest portion and having a front edge. The side protection part is disposed adjacent to the sidewall at an inner side thereof and extends along the inner side of the sidewall from a location adjacent to the seat portion toward a top of the backrest portion, wherein the side protection part has a first and a second major surface opposite to each other, and an edge portion connected with the first and second major surface, the edge portion having a rib that protrudes from the second major surface and lies adjacent to the front edge of the sidewall of the seat shell.