Modular Folding Bed Frame for Adjustable Mattress Widths
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Solution Overview
Problem
Conventional folding bed frames are heavy, awkward, and not adaptable to different mattress sizes, leading to increased manufacturing costs and difficulties in transportation and installation.
Innovation Solution
A folding bed frame with standardized right and left assemblies connected by central connecting bars, allowing for adjustable bedboard frames that accommodate various mattress widths, reducing weight and manufacturing costs, and featuring a disassembly design for easy transport and assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional unitary bed frame design is used, then structural strength is sufficient, but weight increases and becomes awkward
Solution Approach 1:
The bed frame is divided into multiple standardized assemblies (head assembly, foot assembly, and intermediate assemblies) that can be manufactured separately and connected together. Each assembly contains its own support legs and bedboard sections, allowing the frame to be segmented into manageable units that are lighter and easier to handle while maintaining overall structural strength through the connections between assemblies.
2Strength
If conventional unitary bed frame design is used, then bearing strength is provided, but manufacturing cost increases
Solution Approach 1:
The frame is segmented into standardized assemblies that can be manufactured using the same processes and materials consistently. This standardization allows for economies of scale in manufacturing, reducing per-unit costs while maintaining bearing strength through the replicated assembly design.
Solution Approach 2:
The standardized assemblies are designed to be universal components that can be used in multiple configurations and positions within the bed frame structure. This universality reduces the variety of unique parts that need to be manufactured, thereby reducing overall manufacturing complexity and cost.
3Stability of the object's composition
If conventional unitary bed frame design is used, then stable support is provided, but adaptability to different mattress sizes is lost
Solution Approach 1:
The bed frame is divided into standardized assemblies that can be combined in different quantities and configurations to match various mattress dimensions. For example, different numbers of intermediate assemblies can be used to create single, double, queen, or king-sized bed frames, providing adaptability while maintaining stable support through the consistent modular design.
Solution Approach 2:
The bed frame design allows for dynamic configuration by adding or removing standardized assemblies based on the required mattress size. The modular nature enables the frame to be adapted to different dimensions while maintaining structural integrity and stable support characteristics.
4Strength
If thick cross-bars and longitudinal bars are used, then bearing strength is achieved, but device complexity increases
Solution Approach 1:
Instead of using thick, complex cross-bars and longitudinal bars in a unitary construction, the frame uses simpler standardized assemblies connected together. Each assembly has its own localized support structure, eliminating the need for complex long-spanning members and reducing overall structural complexity while maintaining bearing strength.
Data Source
AI summary
A folding bed frame includes standardized right and left bed frame assemblies that are connectable by central connecting bars to form an adjustable bedboard frame that fits mattresses of differing widths. The bed frame is easy to transport when disassembled into the separate frame assemblies that are each less than half the width of a conventional frame for a double bed. The smaller and standardized frame assemblies reduce manufacturing cost. Foot brackets are pivotally connected to the bottom of the bedboard frame under each bed frame assembly and support the bedboard frame and mattress. Each central connecting bar has U-shaped slots on its ends that clip over the inner side edges of the right and left bed frame assemblies. Each frame assembly has a hinge at its middle axis at which a lower half folds over onto an upper half to allow the assemblies to fit in a packing box.