Child Safety Seat Spin Lock Mechanism With Auto-Return Locking
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Solution Overview
Problem
Conventional spin lock mechanisms for child safety seats are complex and inconvenient to use, making it difficult to switch between forward and rearward facing positions.
Innovation Solution
A spin lock mechanism with a pivoting component and a locking component that slides through a driving slot, allowing for easy switching between positions by pivoting, and a resilient component that biases the locking component to return to the locking position for secure restraint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional spin lock mechanism is used to restrain or allow rotation of the child safety seat, then the seat can be positioned at front-facing or rear-facing positions, but the structure becomes complicated and inconvenient to use
Solution Approach 1:
The spin lock mechanism is divided into functionally independent components: a pivoting component for rotation control, a locking component for position restraint, and a resilient component for automatic return. This segmentation allows each component to perform its specific function with a simple structure, avoiding the complexity of conventional integrated mechanisms while maintaining reliable positioning capability.
Solution Approach 2:
The mechanism employs dynamic elements including a pivoting component that rotates about an axis, a locking component that slides along a driving slot, and a resilient component that provides elastic recovery. These dynamic elements enable the mechanism to automatically transition between locked and unlocked states during rotation, simplifying the overall structure compared to static conventional mechanisms while ensuring reliable position restraint.
2Adaptability or versatility
If a conventional spin lock mechanism is used to position the child safety seat, then rotation between positions is possible, but the operation becomes inconvenient
Solution Approach 1:
The resilient component automatically returns the locking component to the locked position after the pivoting component completes rotation, without requiring manual intervention. This self-service mechanism eliminates the need for users to manually operate complex locking or unlocking procedures, making the position switching operation convenient while maintaining the ability to switch between multiple positions.
Solution Approach 2:
The locking component is pre-positioned within the driving slot of the pivoting component, and the resilient component is pre-loaded to provide automatic return force. When rotation occurs, these pre-positioned elements automatically engage and disengage at the appropriate positions, enabling seamless position switching without requiring users to perform complex operational steps.
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 mechanism allows for simple and easy operation while securely restraining the seat body in either position, enhancing user convenience and safety.
Implementation Method 1
a resilient component that biases the locking component to return to the locking position for secure restraint
Data Source
AI summary
A child safety seat includes a base, a seat body and a spin lock mechanism. The seat body is movably disposed on the base and switchable relative to the base between a forward facing position and a rearward facing position. The spin lock mechanism includes a pivoting component and a locking component. The pivoting component is pivotally connected to one of the base and the seat body. A driving slot is formed on the pivoting component. The locking component slidably passes through the driving slot for engaging with and disengaging from the other of the base and the seat body. The locking component can be driven by pivoting movement of the pivoting component to slide relative to the driving slot to disengage from the other of the base and the seat body to allow switching movement of the seat body relative to the base.