Convertible Child Seat Assembly With Frame Lockout Covers
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Solution Overview
Problem
Child chairs lack detachability between the seat and supporting frame, leading to space inefficiency in storage and safety hazards due to unsecured straps when used as boosters.
Innovation Solution
A child chair design with a detachable supporting frame and integrated strap storage, allowing the chair to convert between high chair and booster modes, where the straps are safely stored when not in use and can be easily secured to an adult chair when needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the supporting frame is permanently attached to the seat, then the structural stability is improved, but the storage space efficiency deteriorates
Solution Approach 1:
The child chair is divided into separable components: the seat assembly and the supporting frame. The supporting frame can be detached from the seat through detachable connections (such as snap-fit mechanisms or interlocking structures), allowing the two parts to be stored separately or the frame to be stored aside when not in use, thereby improving storage space efficiency while maintaining structural stability during operation.
2Ease of operation
If the straps are left exposed for easy access, then the ease of operation is improved, but the safety deteriorates due to strangling hazards
Solution Approach 1:
A storage compartment or cover is introduced as an intermediary element between the straps and the external environment. The straps are stored within this enclosed space when not in use, preventing direct access that could lead to strangling hazards. When needed, the cover can be opened or the compartment accessed in a controlled manner, maintaining ease of operation while ensuring safety.
3Volume of moving object
If the supporting frame is detached from the seat, then the storage efficiency is improved, but the ease of operation deteriorates due to assembly complexity
Solution Approach 1:
The chair is designed with clearly defined modular components (seat and supporting frame) that can be easily separated and reassembled. The detachable connection mechanisms are designed to be simple and intuitive, allowing users to quickly assemble and disassemble the components without requiring complex tools or procedures, thus maintaining ease of operation while improving storage efficiency.
4Device complexity
If the straps are integrated into the seat structure, then the device complexity is reduced, but the adaptability deteriorates when used as a booster
Solution Approach 1:
The strap system is designed to serve multiple functions: it can be stored within the seat structure when the chair is used as a high chair, and it can be accessed and used to secure the seat to an adult chair when converted to a booster configuration. This multi-functional design maintains structural simplicity while providing the adaptability needed for different usage modes.
Data Source
AI summary
When a supporting frame is assembled to a seat, the child chair is used as a high chair. When the supporting frame is detached from the seat, the child chair may be served as a booster. The seat includes storages with straps connected. Each storage is covered with a cover selectively configured between a closed position and an opened position. When the supporting frame is detached from the seat, the covers may be moved to the opened position, covering coupling sections of the seat so that the supporting frame is not permitted to assemble to the seat; the straps are reachable outward the storages to secure the seat to an adult chair. When the straps are stored in the storages, the covers may be moved to the closed position, covering the storages and the coupling sections are exposed. The supporting frame is then permitted to assemble to the seat.