Interlocking Modular Junction Box Assembly Without Loose Fasteners
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Solution Overview
Problem
Traditional modular junction boxes lack flexibility and rigidity, often requiring complex non-integral fasteners and being prone to unintended disassembly, which limits their installation options and reliability.
Innovation Solution
A modular junction box design featuring interlocking male and female elements with a latching mechanism, secured by modular port adapters, allowing for customizable and secure assembly without non-integral fasteners, enhancing rigidity and reducing disassembly risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional modular junction boxes use simple modular designs, then installation flexibility is improved, but structural rigidity and reliability deteriorate
Solution Approach 1:
The junction box is divided into multiple modular components (body, lid, port adapters) that can be selectively assembled. The body includes multiple knockouts that can be selectively removed to create ports, allowing flexible configuration while maintaining structural integrity through the robust body design.
Solution Approach 2:
Port adapters are nested within the junction box body, with each adapter inserted into a specific knockout location. The adapters themselves contain nested components (seals, grommets, cable management elements) that provide multiple functions within a compact structure, enhancing both flexibility and reliability.
2Device complexity
If traditional modular junction boxes use non-integral fasteners, then assembly complexity is reduced, but connection reliability and resistance to unintended disassembly deteriorate
Solution Approach 1:
The lid and body are designed with complementary engagement features that integrate the fastening function into the modular components themselves. The lid includes integrated lugs that engage with slots in the body, creating a self-contained fastening system that eliminates the need for separate non-integral fasteners while maintaining connection reliability.
Solution Approach 2:
The engagement features incorporate dynamic elements such as spring-loaded lugs or cam-actuated locking mechanisms that provide automatic engagement and positive locking. These dynamic features ensure reliable connection while allowing for tool-free assembly and disassembly when needed.
3Ease of manufacture
If traditional modular junction boxes use pre-defined ports, then manufacturing simplicity is improved, but installation adaptability deteriorates
Solution Approach 1:
The body is manufactured with multiple discrete knockouts positioned at various locations around the housing. Each knockout is a separate, pre-formed opening that can be independently removed or sealed, allowing flexible port configuration without requiring complex pre-defined port structures. This segmentation enables simple manufacturing while providing high installation adaptability.
Solution Approach 2:
The knockouts are designed with varying parameters (sizes, positions, shapes) that can be selectively removed based on installation requirements. Port adapters are provided in different configurations to fit different knockout types, allowing the same basic body structure to accommodate multiple port configurations without changing the fundamental manufacturing process.
Data Source
AI summary
Systems, methods, and articles of manufacture for modular junction boxes. Some modular junction boxes may, for example, comprise integral mating elements that are secured in position by mounting of one or more adapters, connectors, or fittings.