Hinged Trailer Wiring Junction Box for Secure Easy Access
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Solution Overview
Problem
Existing junction boxes for trailer wiring lack ease of access and securement, often requiring multiple fasteners and being prone to lid misplacement or damage, which complicates maintenance and increases the risk of environmental exposure.
Innovation Solution
A hinged junction box design with a base and lid featuring a tongue-and-groove or latch coupling, a hinge for pivotal movement, and securement tabs for attachment, along with a locking mechanism to ensure easy access and secure closure, protecting wiring connections from environmental elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional junction boxes use multiple fasteners for lid securement, then the enclosure security is improved, but the ease of operation deteriorates due to complicated access procedures
Solution Approach 1:
The lid securement system is segmented into modular components: a retention feature on the lid, a corresponding engagement feature on the base, and an optional locking mechanism. This segmentation allows the system to provide secure enclosure through the retention-engagement coupling while enabling easy operation through simple lid removal and reattachment, resolving the contradiction between security and ease of access
Solution Approach 2:
The lid transition from static fixed attachment to dynamic removable attachment. The lid can be easily removed for access and securely reattached when closed, providing both ease of operation during maintenance and reliable enclosure security during operation. This dynamic capability resolves the contradiction by allowing the system to switch between accessible and secured states
2Device complexity
If traditional junction boxes lack hinge support, then the device complexity is reduced, but the reliability deteriorates due to lid misplacement or damage risk
Solution Approach 1:
A hinge is introduced as an intermediary component between the lid and base. The hinge serves as a mediator that physically connects the lid to the base, preventing lid misplacement or damage while maintaining relatively simple overall device complexity. The hinge acts as the intermediate element that resolves the contradiction by providing reliable lid support without requiring complex attachment mechanisms
3Adaptability or versatility
If wire pass-throughs are provided in the base, then the adaptability is improved for wiring configurations, but the manufacturing precision requirements worsen due to alignment tolerances
Solution Approach 1:
The wire management system is segmented into multiple independent pass-through features distributed on the base. Each pass-through can accommodate wires independently, providing wiring configuration flexibility without requiring precise alignment between multiple components. The segmentation of wire routing paths reduces the cumulative alignment tolerance requirements, resolving the contradiction between adaptability and manufacturing precision
Data Source
AI summary
Disclosed herein is a junction box for housing wiring of a trailer. The junction box includes a base, within which the wiring is securable. The base includes a closed bottom, at least three sides connected to the closed bottom, an open top, and a lid engagement feature. At least one of the at least three sides includes one or more wire pass-throughs. The junction box also includes a lid, including a base engagement feature that is selectively releasably engageable with the lid engagement feature of the base to enclose an interior cavity of the junction box when the lid is in a closed position.