Child Safety Seat Angle Adjustment With Rotating Base Lock
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Solution Overview
Problem
Existing safety seats are inconvenient to adjust the pitch and rotation angles, leading to poor comfort for children during use.
Innovation Solution
A safety seat design that allows simultaneous adjustment of the pitch and rotation angles through a rotatable connection between the seat structure and base, utilizing an adjusting assembly with elastic members and guide portions to facilitate easy angle adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the seat structure is fixed to the base, then the safety seat provides stable protection, but the pitch angle and rotation angle cannot be adjusted, resulting in poor comfort
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed connection between the seat structure and base into a rotatable connection. The seat structure is connected to the base through a rotation joint that allows the seat to rotate relative to the base, enabling adjustment of the pitch angle and rotation angle while maintaining a secure connection. This dynamic connection resolves the contradiction by providing both adjustability and stability.
2Ease of operation
If the seat structure is made adjustable, then comfort is improved, but the device complexity increases due to additional adjusting assemblies
Solution Approach 1:
The patent applies the merging principle by integrating the pitch angle adjustment and rotation angle adjustment functions into a single adjusting assembly. The adjusting assembly includes a rotating member that can rotate relative to the seat structure, and a fixing member that selectively fixes the rotating member to the seat structure or allows it to rotate. This unified design enables both pitch and rotation adjustments through one mechanism, reducing overall device complexity while maintaining full adjustability.
3Reliability
If a fixing mechanism is added to maintain stability, then the seat structure is secured, but the ease of adjustment is reduced
Solution Approach 1:
The patent applies the self-service principle by designing the fixing member to automatically engage and disengage based on the position of the rotating member. The fixing member includes a fixing portion that selectively matches a corresponding portion on the seat structure. When the rotating member is in a fixed position, the fixing portion engages to secure the seat structure. When the rotating member rotates, the fixing portion disengages, allowing automatic adjustment without manual intervention. This self-service mechanism maintains reliability while improving ease of operation.
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
Enhances user convenience and comfort by enabling simultaneous adjustment of the rotation and pitch angles in a single operation, improving the overall usability and safety of the seat.
Implementation Method 1
the elastic member drives the fixing member to move close to the connecting base when the external force is removed, so that the fixing member matches the connecting base
Data Source
AI summary
A safety seat, comprising a seat structure and a base, the seat structure and the base being rotatably connected. The seat structure comprises a connecting base, an adjusting assembly and a seat body. The seat body is mounted on the connecting base. The adjusting assembly is mounted on the seat body and is selectively connected to the connecting base. When the adjusting assembly is disengaged from the connecting base, the seat body can be disconnected from the connecting base and the base such that the rotation angle of the seat structure relative to the base can be adjusted and the pitch angle of the seat body relative to the connecting base can be adjusted. The rotation angle and the pitch angle can be adjusted simultaneously in a single operation. The convenience of operation is improved and the comfort for a child during use is also improved.