Foldable Hanging Bed Frame with Segmented Arms and Stop Elements
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing foldable hanging beds face challenges in achieving a lightweight and credible anti-break frame while maintaining ease of folding and expansion, as strong structures to prevent inward rotation often result in heavy weights and joint breakage risks.
Innovation Solution
A foldable hanging bed design featuring a frame with pivotally linked supporting arms, linking poles, and stopping elements, along with side support tubes and connecting tubes, which allows for easy folding and expansion while minimizing joint stress and weight through the use of sponge sleeves for user handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If strong pillar tubes and iron check elements are used to prevent inward rotation, then the stopping force and structural strength are improved, but the weight of the hanging bed increases
Solution Approach 1:
The frame is divided into multiple segments including supporting arms, linking poles, and stop elements that can independently function. This segmentation allows each component to be optimized for its specific function while using less material overall, reducing weight while maintaining strength
Solution Approach 2:
Strength is concentrated at critical locations where stop elements are positioned to prevent inward rotation, rather than making the entire structure uniformly strong. This allows non-critical areas to use lighter materials, reducing overall weight while maintaining necessary strength at key points
2Ease of operation
If a two-section design with pivotal linking is used, then the foldability and ease of operation are improved, but the risk of joint breakage increases
Solution Approach 1:
Stop elements are positioned in advance to limit the range of motion of pivotal joints, preventing excessive stress and potential breakage before it occurs. This cushioning effect protects the joints during normal operation while still allowing full foldability
Solution Approach 2:
The stop elements act as intermediaries between the supporting arms and linking poles, mediating the forces at the joints by providing controlled resistance to inward rotation. This reduces peak stresses at the pivotal connections, enhancing reliability without compromising foldability
3Reliability
If stop elements are added to prevent inward rotation, then the structural credibility is improved, but the device complexity increases
Solution Approach 1:
The stop elements are integrated with the existing frame structure rather than being separate add-on components. This merging approach provides the necessary rotational limitation while minimizing the increase in overall device complexity
Solution Approach 2:
The frame components serve multiple functions: supporting arms provide both structural support and folding capability, while stop elements simultaneously limit rotation and guide the folding motion. This multi-functionality reduces the need for additional specialized components, keeping complexity low while improving reliability
Data Source
AI summary
A light and credible foldable hanging bed having a frame and a fabric attached thereto. The frame has seats and successive supporting arms linked thereto. Linking poles are provided to move the supporting arms and sponge sleeves may be used for holding by hands of a user. With the successive first and second supporting arms, the joint and check element are saved and the risk of break of the joint is diminished and a weight will be able to be lowered.