Multifunctional small dining chair
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Solution Overview
Problem
Prior small dining chairs for children are single-purpose and lack a user-friendly design, limiting their functionality and adaptability to different environments.
Innovation Solution
A multifunctional small dining chair with a foldable U-shaped support frame, height-adjustable seat, rotatable dining tray, and detachable armrests, allowing for compact storage and versatility in use with various table heights and chair configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the small dining chair is designed to be foldable and space-saving, then the storage space is reduced, but the chair becomes single-purpose and lacks user-friendly design features
Solution Approach 1:
The chair is divided into multiple independently foldable segments: the seat can be folded relative to the front support frame, the backrest can be folded, and the dining tray can be detached. This segmentation allows the chair to be compacted to a small storage volume while maintaining all functional features when assembled.
Solution Approach 2:
The chair incorporates dynamic, adjustable components including a height-adjustable seat with multiple positioning holes, a rotatable dining tray that can be adjusted to different angles, and foldable armrests. These dynamic features enable the chair to adapt to different usage scenarios and user needs.
2Adaptability or versatility
If the dining tray is made detachable and rotatable, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The dining tray is designed as a detachable component that can be easily separated from the armrests through simple insertion and removal actions. This segmentation allows the tray to be detached for cleaning or storage without complicating the overall structure, as the connection mechanism uses straightforward geometric fitting rather than complex fastening systems.
Solution Approach 2:
The dining tray serves multiple functions: it provides a eating surface, can be rotated to different angles for ergonomic positioning, and can be detached for easy cleaning or storage. This multi-functionality is achieved through a simple rotatable connection design rather than multiple separate components.
3Adaptability or versatility
If the seat is made height-adjustable, then the adaptability to different table heights is improved, but the ease of operation decreases
Solution Approach 1:
The seat height is made adjustable through a dynamic positioning system with multiple fixed height positions. The user can easily shift the seat between different height levels by moving it along the vertical support frame and securing it at the desired position, providing adaptability to different table heights while maintaining simple operation.
Data Source
AI summary
A multifunctional small dining chair includes a front U-shaped support frame, a rear U-shaped support frame, a seat, a backrest, a left armrest, a right armrest and a dining tray. A top of the front U-shaped support frame and a top of the rear U-shaped support frame are arranged in a foldable manner. The seat and the backrest are arranged inside the front U-shaped support frame. The seat and the front U-shaped support frame are arranged in a foldable manner. A bottom end of the backrest and a rear end of the seat are hinged. A rear end of the left armrest and a rear end of the right armrest are connected to an upper front end of the front U-shaped support frame. The dining tray is provided between the left armrest and the right armrest, and the dining tray is rotatable relative to the left or right armrest.