Child Safety Seat Tether Buffering for Impact Load Protection
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Solution Overview
Problem
Existing child safety seats face safety hazards due to deformation or breakage of safety tethers and connections under large impact forces, compromising their ability to secure the seat during vehicle collisions.
Innovation Solution
A child safety seat design incorporating a buffering structure, such as elastic pressing blocks or connecting structures on the safety tether and seat body, to absorb and dissipate tensile forces, preventing deformation or breakage of the tether and its connection to the vehicle seat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a safety tether is used to fix the child safety seat to the vehicle seat, then the seat position stability is improved, but under large impact forces the tether may deform or break causing safety hazards
Solution Approach 1:
The patent incorporates buffering structures (elastic pressing blocks, foam layers, or telescopic mechanisms) into the safety tether system in advance. These buffering elements are pre-positioned to absorb and dissipate impact energy before it reaches critical components, preventing tether deformation or breakage during collisions while maintaining normal seat positioning during regular use.
2Strength
If the safety tether is made stronger to withstand large impact forces, then the tether strength is improved, but the device complexity increases due to additional buffering structures
Solution Approach 1:
The patent employs flexible buffering elements such as elastic pressing blocks and foam layers that can be integrated into the existing tether structure. These flexible components provide necessary cushioning and energy absorption without requiring complex rigid mechanisms, maintaining tether strength while minimizing structural complexity.
Solution Approach 2:
The patent utilizes materials with specific elastic moduli and damping characteristics to create buffering structures that automatically adjust their mechanical properties based on applied force. Under normal conditions, these materials remain flexible and compliant; under impact forces, they stiffen to absorb energy, providing both strength and simplicity through parameter-based adaptation.
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 buffering structure effectively reduces the risk of tether deformation or breakage, enhancing the safety and durability of the child safety seat by absorbing and dissipating impact forces, ensuring secure positioning during vehicle impacts.
Implementation Method 1
a buffering structure disposed on the safety tether or the seat body to reduce a tension force applied on the safety tether. In an embodiment, the buffering structure includes an elastic pressing block
Data Source
AI summary
The present disclosure discloses a child safety seat. The child safety seat includes a seat body, a safety tether, and a buffering structure. The safety tether includes a fixing part and a connecting part. The fixing part is fixed on the seat body. The connecting part is connected to a vehicle seat. The buffering structure is disposed on the safety tether or the seat body to reduce a tension force applied on the safety tether.