Coaxial Cable Connector With Threaded Compression Fingers
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Solution Overview
Problem
The existing methods for connecting coaxial cables require complex and laborious steps, including stripping and compressing tools, which can be costly and pose safety risks, particularly in cost-sensitive markets.
Innovation Solution
A coaxial cable connector with an outer conductor engager featuring resilient fingers and a compression ring that eliminates the need for separate stripping and compression tools by providing a secure, watertight seal and reliable electrical ground through axial translation of the connector body relative to the outer conductor engager.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional stripping and compression tools are used to connect coaxial cables, then reliable electrical and mechanical connections can be achieved, but the process becomes complex, laborious, and costly
Solution Approach 1:
The patent combines the stripping and compression functions into a single integrated connector assembly. The outer conductor engager with resilient fingers performs both the stripping action (by engaging and separating the braided conductor from the dielectric) and the compression action (by urging the tapered surface against the outer conductor) in one continuous operation, eliminating the need for separate specialized tools and reducing process complexity while maintaining connection reliability
Solution Approach 2:
The connector body is designed to perform multiple functions: it engages the outer conductor, compresses it for electrical connection, provides mechanical retention, and creates a watertight seal. This multi-functional design eliminates the need for separate stripping and compression tools, reducing both device complexity and cost while ensuring reliable connection
2Reliability
If specialized stripping and compression tools are used, then proper cable preparation and connection can be achieved, but additional fiscal burdens are imposed on cost-sensitive markets
Solution Approach 1:
By merging the stripping and compression functions into a single connector assembly, the patent eliminates the need for multiple specialized tools, thereby reducing material costs and simplifying the manufacturing supply chain. This integration maintains connection quality while reducing the fiscal burden on cost-sensitive markets
Solution Approach 2:
The connector assembly is designed to perform the preparation and connection functions itself without requiring external specialized tools. The resilient fingers and tapered compression surface work together to automatically strip and compress the cable in one operation, eliminating the need for separate stripping and compression tools and reducing manufacturing costs
3Ease of operation
If the braided conductor is folded back to facilitate post insertion, then the grounding/retention post can be inserted between the braided conductor and foil layer, but the process becomes particularly complex and laborious with safety risks
Solution Approach 1:
The patent extracts the need for folding back the braided conductor by designing the outer conductor engager to directly engage and compress the outer conductor in its natural position. The resilient fingers with barbs provide sufficient retention without requiring the conductor to be folded or manipulated into complex configurations, eliminating safety risks while maintaining ease of operation
Solution Approach 2:
Instead of folding the braided conductor back to facilitate insertion, the patent inverts the approach by designing the connector to engage and compress the outer conductor in its natural extended position. The tapered compression surface and resilient fingers work together to achieve proper connection without requiring the conductor to be folded or manipulated, eliminating injury risks
4Strength
If a holding fixture and compression tool are used to compress the grounding/retention post, then secure mechanical connection can be achieved, but the requirement for additional tools adds fiscal burdens and market discrimination
Solution Approach 1:
The patent merges the holding fixture and compression tool functions into the single connector body design. The body with its tapered inner surface and compression ring provides both the holding and compression functions internally, eliminating the need for external specialized tools while maintaining strong mechanical connection
Solution Approach 2:
The connector body is designed as a multi-functional component that provides holding, compression, alignment, and sealing functions all in one piece. This universal design eliminates the need for separate holding fixtures and compression tools, reducing device complexity and tool requirements while ensuring strong mechanical 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
The solution simplifies the installation process, reduces tool costs, and ensures a secure mechanical and electrical connection without the need for folding the braided conductor, thereby addressing the complexity and cost issues of existing methods.
Implementation Method 1
The outer conductor engager has a plurality of resilient fingers configured to be in electrical communication with an outer peripheral surface of an outer conductor
Implementation Method 2
the tapered inner surface of the body engages the tapered outer surface of the outer conductor engager, and the compression ring of the body urges the tapered outer surface of each resilient finger against the peripheral outer surface of the outer conductor
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A cable connector connects a coaxial cable to an interface port by an outer conductor engager, a body and a coupler. The coupler draws the body over a plurality of resilient fingers of the outer conductor engager to urge the fingers into electrical contact with a peripheral outer surface of a stripped/prepared end of a coaxial cable.