Modular Sofa Assembly With Sliding Connectors for Easy Relocation
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Solution Overview
Problem
Conventional sofas are bulky and expensive to transport, and their assembly on-site can be challenging for consumers without proper tools or training, leading to logistical issues and potential structural integrity problems.
Innovation Solution
A modular sofa design that allows components to be shipped in compact configurations, easily assembled without special tools or training, using connectors like dowel pins and latch mechanisms, and incorporating a power cradle for convenient power outlet access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sofas are manufactured and assembled at a factory unit, then the structural integrity and quality of the sofa is maintained, but the transportation cost and delivery time increase significantly
Solution Approach 1:
The sofa is divided into multiple modular components (seat modules, back modules, armrest modules) that can be manufactured separately and transported efficiently. Each module is designed with standardized connection interfaces that enable reliable assembly, thus maintaining structural integrity while reducing transportation time and costs.
Solution Approach 2:
The modular components are pre-manufactured and pre-assembled with connection mechanisms (such as dowel pins, latch mechanisms, or snap-fit joints) before shipment. This preliminary preparation allows for quick on-site assembly without requiring complex tools or specialized skills, thereby reducing delivery time while ensuring reliable construction.
2Reliability
If conventional sofas are transported as complete units, then the structural integrity is preserved, but the transportation cost and difficulty of relocation increase
Solution Approach 1:
The sofa is segmented into transportable modules that can be easily moved by consumers. The modular design with standardized connection interfaces ensures that the sofa can be reliably reassembled at the destination, thus maintaining structural integrity while significantly improving ease of relocation.
Solution Approach 2:
The modular sofa components are designed with user-friendly connection mechanisms that do not require special tools or skills to assemble. Consumers can easily assemble the sofa themselves at their desired location, eliminating the need for professional assembly services and improving ease of operation.
3Ease of operation
If RTA furniture kits are provided for on-site assembly, then the ease of relocation and placement is improved, but the difficulty of assembly and risk of improper installation increase
Solution Approach 1:
The furniture is divided into modular components with standardized connection interfaces. This segmentation enables easy relocation while the standardization of connection mechanisms simplifies the assembly process, reducing complexity and making it accessible to untrained consumers.
Solution Approach 2:
The connection mechanisms are designed to be tool-free or tool-minimal, allowing consumers to assemble the furniture themselves without requiring specialized skills or tools. The self-service design includes features like snap-fit joints, latch mechanisms, or simple screw connections that can be easily understood and executed by end users.
4Reliability
If fasteners are used to connect subcomponents, then the structural integrity is maintained, but the difficulty of alignment and assembly without proper tools increases
Solution Approach 1:
The connection mechanisms are designed to be self-aligning and tool-free or tool-minimal. Features such as dowel pins with guiding slots, latch mechanisms with built-in alignment features, or snap-fit joints with tolerance compensation enable consumers to assemble the furniture easily without requiring specialized tools or skills, while maintaining reliable structural integrity.
Solution Approach 2:
The connection mechanisms incorporate design features that change the alignment parameters to be more forgiving. For example, elongated slots instead of precise holes, tapered dowel pins for self-centering, or elastic latch mechanisms that accommodate minor misalignments. These parameter changes make assembly easier for untrained consumers while ensuring reliable connection.
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 1E~1F
AI summary
A modular sofa assembly described herein includes a plurality of seating modules each having a seat section, a backrest section, and side edge surfaces. The backrest section includes first and second portions coupled for movement between a folded configuration and an extended configuration. An armrest module has an armrest side edge surface configured for mating engagement with a side edge surface of a seating module. The modular sofa is assembled by aligning connectors of the seating modules and armrest module, with each respective connectors slidingly engaged along an axis. After bringing the modules together, these connections are secured with the side edge surfaces in abutting engagement. The modular sofa further may include a power cradle mounted at the sofa's bottom surface. The power cradle includes a cubic power outlet near the front of the sofa, and power cable extending beyond the back of the sofa.