Height-Adjustable Bedstead Using Linkage Assembly for Compact Storage
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Solution Overview
Problem
Existing bedsteads have fixed dimensions, leading to increased manufacturing, transportation, and storage costs due to the need for multiple sizes, and are often complex and difficult for consumers to adjust.
Innovation Solution
A height-adjustable bedstead design comprising a first frame, second frame, positioning members, and linkage assemblies that allow easy and quick height adjustment, using fewer structural components to reduce costs and enable compact packaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If bedsteads are made in different fixed sizes to meet diverse consumer needs, then consumer requirements are satisfied, but transportation and storage burdens increase
Solution Approach 1:
The bedstead employs adjustable legs with telescopic structures that allow the height to be dynamically changed between multiple positions. The leg structure includes an outer tube and an inner tube that can slide relative to each other, enabling the bedstead to adapt to different height requirements while maintaining a compact form factor for storage.
Solution Approach 2:
The adjustable leg mechanism serves multiple functions: it provides structural support, enables height adjustment to meet different consumer needs, and allows compact folding for storage. This multi-functional design eliminates the need for separate bedstead models for different heights, reducing storage requirements.
2Adaptability or versatility
If height-adjustable bedsteads are made with complex structures to enable adjustment, then height adjustability is achieved, but manufacturing cost increases
Solution Approach 1:
The leg is divided into segmented sections (outer tube and inner tube) that can adjust independently. This segmentation allows for a simpler overall structure compared to complex mechanical adjustment systems, as each segment is relatively simple in design and can be manufactured using standard processes.
Solution Approach 2:
The inner tube is nested within the outer tube, creating a compact telescopic structure. This nesting arrangement reduces the overall complexity of the adjustment mechanism while enabling height variation, and both components can be manufactured using conventional tubing processes.
3Adaptability or versatility
If commercially available height-adjustable bedsteads use complex adjustment mechanisms, then height adjustment capability is provided, but ease of operation decreases
Solution Approach 1:
The adjustment mechanism is designed to be operated directly by the user without requiring external tools or complex procedures. The telescopic leg structure allows users to simply extend or retract the inner tube relative to the outer tube to achieve the desired height, making the system self-sufficient and easy to operate.
Solution Approach 2:
The dynamic telescopic structure allows for smooth and continuous height adjustment rather than requiring complex mechanical linkages or multiple discrete adjustment steps. This dynamic design makes the adjustment process intuitive and convenient for users.
Data Source
AI summary
A height-adjustable bedstead includes a first frame having positioning grooves, a second frame having positioning holes, a positioning member having an insertion portion, a clamping portion, and a connecting portion, and a linkage assembly including pivotally connected first and second links. The first link has an end pivotally connected to the first frame, and the other end pivotally connected to one of the positioning holes by the positioning member in a way that the insertion portion passes through the one of the positioning holes and the first link, and the clamping portion and the connecting portion are hooked onto the second frame. The second link has an end pivotally connected to the second frame, and the other end pivotally connected to one of the positioning grooves by a shaft member. As a result, the height of the bedstead can be easily and quickly adjusted.