Child Safety Seat Tether Guide to Limit Seat-Base Movement
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Solution Overview
Problem
Child safety seats experience significant relative movement between the seat and base during impacts, leading to discomfort and safety risks due to the design of the top tether system.
Innovation Solution
The child safety seat incorporates an engaging member with a channel for the top tether, supported by a fixing rod and clamping sockets, which limits the tether's movement and provides a secure connection to the base, preventing forward tilting during vehicle deceleration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the top tether is connected only to the base and disposed from above the vehicle seat to a rear anchoring point, then the seat can be secured to prevent forward tilting, but large relative movement occurs between the seat and base during impact, causing discomfort and safety risks
Solution Approach 1:
The engaging member acts as an intermediary component between the top tether and the seat. It provides a dedicated engagement point on the seat that allows the tether to be properly connected, thereby reducing relative movement between the seat and base during impact while maintaining the safety function of preventing forward tilting
2Device complexity
If the top tether is connected only to the base without an engaging member on the seat, then the structure is simpler, but the tether cannot effectively limit movement and provide stable connection during vehicle deceleration
Solution Approach 1:
The connection system is segmented into distinct components: the top tether, the engaging member on the seat, and the anchoring point on the base. This segmentation allows each component to perform its specific function optimally, with the engaging member providing a dedicated connection point that enhances overall connection stability without requiring complete redesign of the entire system
Data Source
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AI summary
The present application relates to a child safety seat (1000) and a seat (100) thereof. The seat (100) of the child safety seat (1000) is configured to be mounted on a base (200) of the child safety seat (1000), an upper part of the seat (100) is provided with an engaging member (3), and the engaging member (3) is configured for a top tether (4) connected to the base (200) to extend through, and for supporting the top tether (4).