Folding chair having sunshade
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Solution Overview
Problem
Conventional folding lounge chairs with sunshades are often cumbersome and prone to mechanical failures due to multiple moving parts, making them difficult to operate and transport.
Innovation Solution
A lightweight folding lounge chair design featuring an accordion-type canopy with flexible ribs and a pliant material, a back support stand mechanism, and leg extension sections that can be easily folded and carried, utilizing a frame structure with hinges and adjustable straps for portability and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional folding lounge chairs include a sunshade with multiple moving mechanisms, then sun protection function is improved, but device complexity increases and reliability decreases
Solution Approach 1:
The sunshade is divided into multiple panels that can fold and unfold independently, allowing the canopy to adapt to different positions and angles without requiring complex centralized mechanisms. Each panel segment works autonomously within the overall folding structure.
Solution Approach 2:
The sunshade employs a dynamic folding mechanism that allows smooth transitions between open and closed positions. The canopy can be adjusted to various angles and positions while maintaining structural integrity, eliminating the need for multiple fixed mechanisms.
2Adaptability or versatility
If conventional folding lounge chairs include multiple moving mechanisms for sunshade, then sun protection function is improved, but reliability worsens due to breaking prone components
Solution Approach 1:
By segmenting the sunshade into multiple panels connected by simple hinges, the design distributes mechanical stress across many simple joints rather than concentrating it in a few complex mechanisms. This segmentation makes the system more reliable as individual panel failures do not compromise the entire structure.
Solution Approach 2:
The folding mechanism is designed to be self-supporting, where the weight and position of the canopy panels themselves provide the necessary tension and structure to maintain the sunshade shape, reducing reliance on additional mechanical support systems that could fail.
3Adaptability or versatility
If conventional folding lounge chairs include complex shading systems, then sun protection function is improved, but ease of operation worsens due to careful handling requirements
Solution Approach 1:
The sunshade is designed with a dynamic folding structure that naturally follows the user's input motion, allowing the canopy to unfold and position itself smoothly without requiring precise control or careful handling. The flexible panel design accommodates various user strengths and dexterity levels.
4Adaptability or versatility
If conventional folding lounge chairs include extensive moving mechanisms, then sun protection function is improved, but portability worsens due to cumbersome structure
Solution Approach 1:
The sunshade is segmented into multiple lightweight panels that can be folded flat against the chair body, significantly reducing the overall volume and making the chair more portable. Each panel is independently foldable, allowing compact storage without sacrificing the sun protection capability when deployed.
Data Source
AI summary
A folding lounge chair includes a seat section and a back section connected by a canopy section. An optional leg extensions section may be pivotally attached to the front of the seat section. The back section includes an adjustable back stand for adjusting the angle of the back section of the chair. The sections are connected to each other by hinge mechanisms that allow the chair to be folded. The panel section includes two lateral attachment straps. U-shaped ribs may be attached to the lateral attachment strips and a canopy may be formed by a canvas extending over the ribs. The canopy may optionally include events to minimize the effect of strong winds. The canopy may also optionally include pockets for storing items. Two shoulder straps on the back of the back section may be used to carry the chair in the folded position.