Rotating Child Safety Seat Locking Structure for Easy Orientation Switching
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Solution Overview
Problem
Conventional child safety seats have complex and difficult-to-operate locking mechanisms, making it challenging to switch between forward-facing and rearward-facing orientations.
Innovation Solution
A child safety seat design featuring a telescopic locking device with an operating component that engages and disengages from locked portions on the seat body and base, allowing for easy switching between orientations using a pivotal movement, with a resilient structure for compactness and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional locking device is used to lock the seat body in forward-facing or rearward-facing state, then the seat body can be securely locked, but the structure becomes complicated and operation becomes difficult
Solution Approach 1:
The locking device is segmented into distinct functional components: a locking component with locking protrusions that engage with locking recesses, and an operating component with releasing protrusions that interact with the locking component. This segmentation allows each part to perform its specific function independently, simplifying the overall structure while maintaining reliable locking through the engagement of discrete elements
Solution Approach 2:
The locking component is designed to be movable relative to the base, transitioning between locked and unlocked states. The operating component enables dynamic control by moving the locking component between positions where locking protrusions engage or disengage from locking recesses. This dynamic design allows simple operation through manual intervention while maintaining secure locking when engaged
2Reliability
If a conventional locking device is used to secure the seat body, then the seat body can be locked in position, but the operation becomes difficult and complex
Solution Approach 1:
The releasing function is extracted and concentrated into a dedicated operating component with releasing protrusions. This operating component directly interacts with the locking component to disengage locking protrusions from locking recesses. By extracting the releasing function into a separate, simple operating component, the operation becomes intuitive and easy to perform while the locking reliability is maintained through the robust engagement of locking protrusions with locking recesses
Solution Approach 2:
The locking component automatically engages with the locking recesses when the seat body is positioned in forward-facing or rearward-facing states, providing self-locking functionality. The operating component simply needs to be manipulated to trigger the releasing action, after which the system self-regulates the locking state. This self-service characteristic simplifies operation while ensuring reliable locking without requiring complex control mechanisms
Data Source
AI summary
A child safety seat (100) is provided and includes a base (10), a seat body (20) installed on the base (10), a locking device (40), a locked portion (11) and an operating component (30) movably linked to the locking device (40). The seat body (20) is switchable between a forward-facing orientation and a rearward-facing orientation. The locking device (40) and the locked portion (11) are respectively disposed on one and another one of the seat body (20) and the base (10). The locking device (40) engages with the locked portion (11) when the seat body (20) is located in the forward-facing orientation or the rearward-facing orientation. The operating component (30) drives the locking device (40) to disengage from the locked portion (11) for allowing the seat body (20) to switch between the forward-facing orientation and the rearward-facing orientation.