Extendable modular bed
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Solution Overview
Problem
Conventional extendable bed frames, especially those of large dimensions, face challenges in packaging and transportation due to their bulkiness and the difficulty in detaching components, which can lead to structural damage during handling.
Innovation Solution
An extendable modular bed design featuring a frame assembly with detachable support units, comprising retaining shells, positioning members, inner and outer tubes, and spring-loaded buttons, allowing for easy adjustment and reconfiguration between retracted and extended positions, facilitating the support of various mattress sizes and simplifying disassembly for storage and transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the bed frame is designed to be extendable to accommodate large dimensions, then the bed can support various mattress sizes, but the packaging and transportation become inconvenient
Solution Approach 1:
The bed frame is divided into multiple detachable modules including head sections, foot sections, and intermediate sections. Each module can be independently packaged and transported, then assembled together to form beds of various sizes. This segmentation allows the bed to be compact for transportation yet flexible in configuration for different mattress sizes.
Solution Approach 2:
The bed frame incorporates extendable mechanisms with movable sections that can be adjusted between retracted and extended positions. This dynamic design allows the bed to transform from a compact state for transportation to an expanded state for use, accommodating different mattress sizes while maintaining transportation convenience.
2Adaptability or versatility
If the bed frame components are hingedly connected to enable transformation, then the bed can change between normal and extended states, but the components cannot be detached for transportation
Solution Approach 1:
The bed frame uses detachable modular components rather than permanently hinged connections. Each module can be independently removed and reattached, allowing both transformation between states and complete disassembly for transportation. The modular design maintains the transformability function while adding the capability for detachment.
Solution Approach 2:
The connection system employs dynamic fastening mechanisms that allow components to be easily attached and detached. This enables the bed to transform between extended and retracted states when connected, while also allowing complete disassembly for transportation when needed.
3Strength
If the bed frame components are firmly connected to ensure structural stability, then the bed maintains strength during use, but the components are difficult to detach and reassemble
Solution Approach 1:
The bed frame employs modular components with standardized connection interfaces that provide both strong structural bonds during use and easy detachment when needed. The segmented design allows each module to be independently handled while maintaining overall structural integrity through robust but reversible connections.
Solution Approach 2:
The connection system uses intermediary fastening mechanisms such as removable fasteners or coupling devices that provide strong structural connection during use but can be easily detached. These intermediary elements mediate between the need for structural strength and the need for ease of assembly and disassembly.
4Strength
If the bed frame is designed as a single integrated structure, then it provides structural strength, but it is bulky and difficult to package for transportation
Solution Approach 1:
The bed frame is divided into multiple modular sections that can be collapsed or detached into compact forms for transportation. Each module maintains its structural strength independently, and when assembled together, they form a complete strong bed frame. This segmentation dramatically reduces packaging volume while preserving structural integrity.
Solution Approach 2:
The bed frame modules are designed to nest within each other or collapse into compact configurations when not in use. This nesting capability allows the structurally strong bed frame to be packaged in a fraction of its expanded volume, making transportation and storage feasible.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular design enhances the bed's versatility in accommodating different mattress sizes, reduces the risk of damage during use, and simplifies storage and transportation by allowing components to be easily detached and compacted.
Implementation Method 1
two spring-loaded buttons (4). The spring-loaded buttons are disposed inside the inner tube to respectively extend out of the through holes of the inner tube
Data Source
AI summary
An extendable modular bed includes a frame assembly and a plurality of support units which are mounted on the frame assembly. In each of the support units, two retaining shells are detachably mounted on the frame assembly, two outer tubes are respectively and slidably retained by the retaining shells and are slidably sleeved on two end segments of an inner tube, two positioning members are respectively and detachably coupled to the retaining shells for respectively positioning the outer tube, and two spring-loaded buttons are mounted inside the inner tube to respectively extend out of two through holes of the inner tube for further positioning the outer tubes.