Tool-Free Multi-Fiber Breakout Coupling With Groove Locking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional fiber optic cable breakouts require tools for assembly and are not compatible with multi-fiber cables having annular grooves, lacking effective mechanical constraints.
Innovation Solution
A breakout assembly that includes a housing with snap-fit connections, a coupler with internal and external threads, and annular ridges to engage grooves in the multi-fiber cable, allowing tool-free assembly and axial/circumferential constraint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional breakouts use mechanical connections with tools, then assembly is secure, but assembly process becomes complex and requires specific tools
Solution Approach 1:
The breakout assembly is designed to self-constrain the multi-fiber cable through its own structural features (annular ridges, grooves, and compression mechanisms) without requiring external tools. The cable body portion compresses radially inward to grip the cable, and the annular ridge engages the groove to prevent rotation, enabling tool-free assembly while maintaining secure mechanical connection
Solution Approach 2:
The housing acts as an intermediary component that mediates between the breakout body and cable body, providing snap-fit connections that simplify assembly. The housing portions engage with each other and with the cable body through complementary features (protrusions and recesses), enabling easy assembly without complex tooling while ensuring proper alignment and constraint
2Adaptability or versatility
If conventional breakouts are designed for standard cables, then assembly is simple, but compatibility with grooved multi-fiber cables is poor
Solution Approach 1:
The cable body portion features locally optimized structures including radially compressible sections and annular ridges positioned at specific locations to engage with the grooves in multi-fiber cables. These localized features provide targeted adaptation to grooved cables without compromising the overall reliability of the mechanical constraint system
Solution Approach 2:
The breakout assembly incorporates adjustable parameters such as the compression force applied by the cable body portion and the engagement depth of the annular ridge with the cable groove. These parameter changes enable the system to adapt to different cable types and groove configurations while maintaining reliable mechanical constraint through optimized force and geometry
3Ease of operation
If the breakout allows cable movement, then assembly is easy, but axial and rotational constraint is insufficient
Solution Approach 1:
The annular ridge on the cable body portion is pre-configured to engage with the groove in the multi-fiber cable before final assembly completion. This preliminary engagement prevents rotational movement from the outset, while the snap-fit housing connections provide easy axial assembly. The structure is designed so that the anti-rotation feature activates automatically during insertion, maintaining both ease of assembly and positional stability
Data Source
AI summary
A multi-fiber breakout device may include a cable body portion that is configured to engage a cable portion of a multi-fiber cable, a body portion structurally configured to receive a fiber breakout body portion that is configured to break out a plurality of fiber cables from a multi-fiber cable; and a coupler portion configured to engage the cable body portion when the breakout device is terminated on a cable. The coupler portion may be configured to move from a first position, where the coupler portion does not urge the cable body portion onto the cable portion of the multi-fiber cable, to a second position, where the coupler portion urges the cable body portion onto the cable portion of the multi-fiber cable. The coupler portion may be configured to provide a mechanical breakout device-to-cable connection that is configured to allow the breakout device to be connected to the multi-fiber cable without having to use a tool.