Modular Child Car Seat Subframe for Dishwasher Cleaning
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Solution Overview
Problem
Conventional child car seats are difficult to clean due to their unitary molded construction, which prevents thorough washing of spills accumulated in the subframe, as they are too large to fit in a residential-sized dishwasher and lack easy disassembly features.
Innovation Solution
A child car seat subframe designed to be disassembled into compact sections that can fit within a residential-sized dishwasher for thorough cleaning, using interlocking registration tabs and slots, sliding joints, and hanging devices for easy assembly and disassembly without tools, ensuring all surfaces are exposed for washing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the subframe is constructed as a unitary molded structure, then structural integrity and strength are improved, but the ability to disassemble for cleaning deteriorates
Solution Approach 1:
The subframe is divided into multiple separable components including a backrest assembly, seat assembly, and side assemblies that can be detached from each other. This segmentation allows each component to be removed and cleaned separately in a dishwasher while the assembled structure maintains structural integrity through connection mechanisms.
2Ease of manufacture
If the subframe is made as a single piece, then manufacturing simplicity is improved, but cleaning accessibility deteriorates
Solution Approach 1:
Rather than manufacturing a single complex molded piece, the design uses multiple separately manufactured components that are simpler to produce individually. These components are then assembled using connection mechanisms, achieving both manufacturing simplicity and cleaning accessibility.
Solution Approach 2:
The connection mechanisms are designed to allow easy extraction of components from the assembled structure. Fasteners and attachment points enable straightforward removal of the backrest, seat, and side assemblies for cleaning without requiring tool disassembly of the entire structure.
3Stability of the object's composition
If the subframe remains assembled, then structural stability is improved, but the ability to fit in dishwasher deteriorates
Solution Approach 1:
The subframe components are segmented into smaller units (backrest assembly, seat assembly, side assemblies) that can be separately placed in the dishwasher. When assembled during use, these components form a stable structure with appropriate structural stability.
4Ease of operation
If the subframe is designed for easy disassembly, then cleaning ease is improved, but device complexity deteriorates
Solution Approach 1:
The subframe is segmented into modular assemblies connected by straightforward fastening mechanisms. This segmentation enables easy disassembly for cleaning while the modular design with standardized connection points actually reduces overall complexity compared to a unitary structure requiring complex tool-based disassembly.
Data Source
AI summary
A child car seat subframe that is easily disassembled into component sections for washing within a residential-sized dishwasher. The car seat subframe can be disassembled by hand, and each individual component is capable of fitting in a residential-sized dishwasher individually and collectively. The component sections are attached by a combination of registration tabs and slots, and held tightly together by fasteners, or attached by a combination of tongue and groove joints. Hanging devices, such as hooks, may be formed on one side of each component section to facilitate hanging on racks in a dishwasher. The car seat subframe back panel and side panels are disassembled into a plurality of segments for easily fitting in a dishwasher.