Pivoting Side-Impact Fender Locking for Child Car Seats
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Solution Overview
Problem
Conventional child car safety seats are ineffective in reducing side impacts during collisions, lacking a mechanism to absorb and dissipate lateral forces effectively, which poses a risk to the child's safety.
Innovation Solution
A lateral shock absorber with a protective fender and locking mechanism is integrated into the child car safety seat, allowing the fender to pivot between folded and unfolded states, where the locking mechanism engages or disengages to facilitate easy operation and effective side impact absorption by transferring forces to the seat base during collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional child car safety seat with only backrest and headrest is used, then the structure is simple, but it cannot effectively reduce side impact on the child during side impact collision
Solution Approach 1:
The protective fender is designed to be pivotally switchable between a folded state and an unfolded state, transforming from a static structure to a dynamic one. This allows the fender to be deployed when needed for side impact protection while maintaining simplicity when not in use, resolving the contradiction between reliability improvement and device complexity
Solution Approach 2:
The safety seat is divided into functional modules: the base, the pivotally connected protective fender, and the locking mechanism. This segmentation allows the side impact protection feature to be added as a separate, manageable component rather than redesigning the entire seat structure, thus improving side impact protection without proportionally increasing overall complexity
2Reliability
If a protective fender is added to reduce side impact, then side impact protection is improved, but the structure becomes more complex
Solution Approach 1:
The locking mechanism integrates multiple functions into a single assembly: it locks the protective fender in the unfolded state, enables pivotal movement to the folded state, and works with the abutting block for automatic engagement. This merging reduces the number of separate components needed, thereby improving side impact protection while minimizing the increase in structural complexity
3Reliability
If a locking mechanism is added to restrain the protective fender, then the protective fender can be reliably restrained, but the device complexity increases
Solution Approach 1:
The locking mechanism is designed to automatically engage with the protective fender when it is in the unfolded state without requiring manual intervention. The abutting block is pressed downward by the seat body to automatically drive the locking assembly to the locking state, making the system self-regulating and reducing the need for complex control systems
Solution Approach 2:
The abutting block serves as an intermediary between the seat body and the locking assembly. It translates the downward pressure from the seat body into the locking action, simplifying the overall control mechanism by using a passive mechanical intermediary rather than requiring direct actuation of the locking assembly
4Ease of operation
If the protective fender is made pivotally switchable between folded and unfolded states, then ease of operation is improved, but the reliability of maintaining the unfolded state may be compromised
Solution Approach 1:
The locking mechanism is designed to automatically engage the protective fender in the unfolded state before any collision occurs. The abutting block is positioned to be pressed downward by the seat body during normal installation, preliminarily establishing the locked state so that the fender remains reliably in position without requiring continuous manual maintenance
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 solution effectively reduces the risk of injury from side impacts by transferring side collision forces away from the child, providing enhanced protection and simplicity in operation, ensuring the child's safety during lateral collisions.
Implementation Method 1
capable of reducing a side impact on a child during a side impact collision
Implementation Method 2
The protective fender is pivoted to a base of a child car safety seat and pivotally switchable between a folded state and an unfolded state
Implementation Method 3
The locking mechanism is for selectively engaging with the protective fender to restrain the protective fender from switching to the unfolded state or disengaging from the protective fender to allow the protective fender to switch to the unfolded state
Data Source
AI summary
A lateral shock absorber is provided and includes a protective fender and a locking mechanism. The protective fender is pivotally switchable between a folded state and an unfolded state relative to a base of a child car safety seat. The locking mechanism includes a locking assembly and an abutting block. The locking assembly is for engaging with the protective fender to restrain the protective fender from moving. The abutting block is pressed downwardly by a seat body of the child car safety seat when the seat body is installed on the base, and the locking assembly is driven by the abutting block to disengage from the protective fender when the abutting block is pressed downwardly by the seat body. Besides, a child car safety seat having the aforementioned lateral shock absorber is also provided.