Coaxial Cable Connector With Compression Ring Ferrule
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Solution Overview
Problem
Existing coaxial cable connectors require extensive preparation and tools for installation, which is time-consuming and can damage the cable, and existing solutions lack quick installation methods.
Innovation Solution
A coaxial cable connector design featuring a ferrule with inwardly directed barbs and a compression ring that biases the ferrule to securely engage the cable, allowing for quick and secure attachment without the need for extensive cable preparation or specialized tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional F-connectors or crimp style connectors are used, then secure connection is achieved, but extensive cable preparation and specialized tools are required
Solution Approach 1:
The patent extracts the cable preparation steps from the installation process by designing a connector that accepts minimally prepared cables. The connector body includes a receiving space that accommodates the cable jacket and conductive grounding sheath without requiring them to be stripped or folded back, thereby simplifying the installation process while maintaining secure connection.
Solution Approach 2:
The connector is divided into functional segments: a connector body with receiving space for minimal preparation, a compression sleeve for securing the connection, and a coupling mechanism for terminal attachment. This segmentation allows each component to perform its specific function independently, reducing the overall complexity of cable preparation.
2Productivity
If compression sleeve connectors are used, then quick installation is possible, but specialized compression tools are still required
Solution Approach 1:
The compression sleeve is designed to be manually compressed without specialized tools. The sleeve includes features that allow installers to compress it using simple hand pressure or basic tools, eliminating the need for specialized compression equipment while maintaining quick installation capability.
Solution Approach 2:
The compression sleeve's material properties and geometric parameters are optimized to allow compression within a specific force range that can be achieved by hand or simple tools. The sleeve transitions from a relaxed state to a compressed state that secures the cable and connector body together, achieving quick installation without complex tooling.
3Strength
If post insertion method is used to secure cable, then connection is achieved, but cable damage and insertion difficulty occur
Solution Approach 1:
The connector body includes a pre-formed receiving space with appropriate dimensions and features before cable installation. The compression sleeve is pre-attached to the connector body in a relaxed state, allowing the cable to be inserted without resistance. Once inserted, the sleeve is compressed to secure the connection, preventing cable damage that would occur with forced post-insertion methods.
Solution Approach 2:
The compression sleeve acts as a flexible element that can be compressed to apply securing force. This flexible shell approach distributes the securing force evenly around the cable and connector body, avoiding concentrated stress points that would cause cable damage while maintaining strong connection.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables rapid and secure coupling of coaxial cables to terminals with reduced risk of damage, improving installation efficiency and reducing the time and effort required for preparation.
Implementation Method 1
a compression ring be disposed within the shell for engaging the rear end of the ferrule. Advancing the shell toward the coupler may cause the compression ring to drive the rear portion of the ferrule inwardly
Implementation Method 2
This may cause the plurality of fingers to flex inwardly toward the coaxial cable forcing the engagement features against the coaxial cable
Implementation Method 3
The plurality of fingers may have inwardly directed barbs
Data Source
Figure 1~1B
Figure 2
Figure 3~4
AI summary
A coaxial cable connector comprising a coupler, a body, a shell, a ferrule, and a compression ring is disclosed. The ferrule is disposed adjacent to the body and has a plurality of fingers with inwardly directed barbs and a channel with a wall having an inwardly facing surface with inner projections. The compression ring is disposed within the shell and engages the rear end of the ferrule. Advancing the shell toward the coupler causes the compression ring to drive the rear portion of the ferrule inwardly. This causes the plurality of fingers to flex inwardly toward the coaxial cable forcing the barbs against the coaxial cable. This also causes the compression ring to provide a biasing force against the channel forcing the inner projections of the inwardly facing surface of the wall to bite into the coaxial cable.