Double-layer bedstead
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Solution Overview
Problem
Conventional bunk beds with detachable support bars or pipes require increased assembly effort and occupy more space due to complex connecting structures, affecting the strength and transportation convenience.
Innovation Solution
The bunk bed frame design features a detachable connecting point for the top and bottom bedsteads and cross beam, allowing for assembly without additional workload, with a three-dimensional stepped structure using insert pipes, support legs, and connecting pipes that are individually packable and transportable, connected by rivets and screws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the support bar or pipe of the side bedstead is divided into two sections with detachable connecting structures, then the bunk bed can be divided into two single beds for independent use, but the strength of the support bar or pipe is affected and assembly effort increases
Solution Approach 1:
The support bar is designed as a telescopic structure where one section is inserted into another section, forming a nested configuration. This nesting design provides detachable connectivity allowing the bunk bed to be divided into single beds, while the inserted section fits tightly within the outer section to maintain structural strength during use.
Solution Approach 2:
The support bar is segmented into multiple telescopic sections that can be detached and reconnected. The segmentation allows the structure to be divided for independent single bed use, while the telescopic connection design ensures that when assembled, the segments form a continuous load-bearing structure with adequate strength.
2Adaptability or versatility
If the support bar or pipe is divided into two sections with additional connecting structures, then the bunk bed can be assembled as two single beds, but the assemble effort of the support bars or pipes increases
Solution Approach 1:
The telescopic connection structure merges the functions of multiple components into a single integrated mechanism. The inner telescopic section, outer telescopic section, and connecting structures work together as one unified assembly unit, allowing the support bar to be assembled in a single operation rather than requiring separate assembly steps for multiple disconnected sections.
Solution Approach 2:
The telescopic connection structure serves multiple functions simultaneously: it provides detachable connectivity for dividing the bunk bed, maintains structural strength when assembled, and enables easy assembly and disassembly. This multi-functionality reduces the need for additional specialized connecting components and simplifies the overall assembly process.
3Device complexity
If the side bedstead is an integrate piece, then the structure is simple, but the occupied space is large and transportation is inconvenient
Solution Approach 1:
The side bedstead is segmented into multiple telescopic sections that can be detached from each other. When divided, these sections can be collapsed or nested together to reduce their overall volume, making them more compact for transportation and storage while maintaining the simplicity of each individual section's design.
Solution Approach 2:
The telescopic sections of the side bedstead are designed to nest within each other when detached. The inner sections slide into the outer sections, creating a compact nested configuration that significantly reduces the occupied space during transportation and storage, while the simple telescopic design maintains structural integrity.
Data Source
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AI summary
Disclosed is a double-layer bedstead, comprising an upper bedstead (10), a lower bedstead (20) and a connecting pipe (30), wherein a side edge of the upper bedstead (10) is provided with an insertion piece (12) ; a side edge of the lower bedstead (20) is provided with a support leg (22) ; the bottom of the connecting pipe (30) is detachably locked to the support leg (22) together; a first connection point between the connecting pipe (30) and the support leg (22) of the lower bedstead (20) coincides with a second connection point between the lower bedstead (20) and a cross beam of the lower bedstead; the insertion piece (12) and the connecting pipe (30) is detachably locked together; and a third connection point where the insertion piece (12) and the connecting pipe (30) are locked coincides with a fourth connection point between the upper bedstead and a cross beam of the upper bedstead. Detachable connection points of the upper bedstead and the lower bedstead are provided to coincide with the connection points between the upper and lower bedsteads and the cross beams, so that the effort for connection is substantially not increased and the number of screws is not increased when screw connections are used, reducing the working time of assembly and improving the strength.