Adjustable Child Seat Side Wings for Telescopic Width Fit
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Solution Overview
Problem
Existing child safety seats lack the ability to adjust the width of their side wings to accommodate children of different sizes, as the side wings are typically fixed and cannot be manually adjusted.
Innovation Solution
A child safety seat design featuring a backrest with a hole and a slot for a movable side wing, utilizing an adjusting mechanism with a driving part and actuating mechanism that allows the side wing to move telescopically, enabling adjustable width settings through a simple and user-friendly operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If side wings are fixed to the backrest, then structural simplicity is maintained, but the ability to accommodate children of different sizes is lost
Solution Approach 1:
The side wings are transformed from fixed static structures to dynamically adjustable components. The adjusting mechanism enables the side wings to move between different positions (extended and retracted states), allowing the safety seat to adapt to children of different sizes while maintaining a relatively simple overall structure through controlled mobility rather than complete redesign
Solution Approach 2:
The side wing assembly is segmented into movable and adjustable components rather than being a single fixed piece. The adjusting mechanism divides the side wing system into separable elements that can be independently positioned, enabling size adaptation without requiring complete structural complexity throughout the entire seat
2Adaptability or versatility
If side wings are made adjustable, then versatility for different children is improved, but ease of operation deteriorates due to complex adjustment mechanisms
Solution Approach 1:
The adjusting mechanism is designed to be self-operating through a simple hand crank interface. The mechanical advantage provided by the crank system allows users to easily adjust the side wings without requiring complex controls, motors, or multiple steps. The mechanism serves itself by converting simple rotational input into the desired linear movement of the side wings, maintaining ease of operation while achieving adjustability
3Adaptability or versatility
If side wings are fixed, then manufacturing simplicity is maintained, but adaptability to different child sizes is reduced
Solution Approach 1:
The design incorporates controlled dynamic elements (movable side wings with adjustment mechanism) that can be manufactured using standard assembly processes. The mechanical components are designed for straightforward fabrication and assembly, allowing adaptability to be achieved without dramatically increasing manufacturing complexity through modular design and conventional manufacturing techniques
Data Source
AI summary
A child safety seat includes a seat body, a backrest, a first side wing, and an adjusting mechanism. The backrest is connected to the seat body. A hole is formed on the backrest and a first slot is formed on a first side of the backrest. A first side wing is movably disposed through the first slot. The adjusting mechanism is movably disposed in the hole of the backrest and is movably connected to the first side wing. The adjusting mechanism has an actuating part. The actuating part is operable for driving the first side wing to move relative to the first slot telescopically.