Inverted Skirt Cable Shield Connector for Secure Insertion
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Solution Overview
Problem
Existing cable shield connectors face difficulties in maintaining electrical continuity due to displacement of the end shield portion during crimping, leading to issues in inserting the ferrule assembly into the connector housing and compromising the connection between the cable shield and the connector shield.
Innovation Solution
A cable shield connector with an inverted skirt design, where the sidewalls of the skirt extend towards the distal end and contact corresponding sections of the connector shield, ensuring secure insertion and continuous electrical contact, and optionally featuring an intermediate section to prevent arcing with the conductive core.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the end shield portion is designed to extend forward during crimping, then the cable shield can be securely crimped, but the end shield portion becomes displaced and difficult to insert into the connector housing
Solution Approach 1:
The patent inverts the traditional shield extension direction by designing an inverted skirt that extends backward toward the base portion instead of forward. This inversion allows the shield to be securely crimped while the inverted skirt geometry facilitates easy insertion into the connector housing by guiding it into place rather than obstructing insertion.
2Ease of operation
If the end shield portion is displaced during assembly, then insertion becomes difficult, but continuous electrical contact between the shield and connector is compromised
Solution Approach 1:
The inverted skirt acts as an intermediary element between the ferrule assembly and the connector housing. It provides a guiding surface that facilitates proper alignment and insertion while maintaining the electrical connection path, thereby simultaneously improving assembly ease and ensuring electrical continuity.
3Reliability
If the inverted skirt sidewalls contact the connector shield, then electrical continuity is ensured, but the structure becomes more complex
Solution Approach 1:
The inverted skirt serves multiple functions simultaneously: it provides structural support for the crimped cable shield, guides the assembly into the connector housing during insertion, and establishes electrical contact with the connector shield. By combining these functions into a single component, the design ensures electrical continuity without significantly increasing overall device complexity.
Data Source
Figure 1
Figure 2A~2B
Figure 2C~2D
AI summary
A cable shield connector (200) for ensuring electrical continuity between a shielded electrical connector (300) and a shielded cable (100), the cable shield connector (200) comprising: a ferrule portion (230) defining an opening (202) for receiving a portion of the shielded cable (100) and an outer surface (232) for contacting a cable shield (13) of the shielded cable (100), the ferrule portion (230) extending axially from a distal end (201) of the ferrule portion (230) to a base portion (250) of the cable shield connector (200); wherein the base portion (250) is positioned radially outside the ferrule portion (230) and comprises at a periphery section (253) a shielding connector section (251) defining an inverted skirt (257) extending towards the distal end (201) and at least partially surrounding the base portion (250), the inverted skirt (257) defining sidewalls (257a) for contacting corresponding sections of a connector shield (311) of the shielded electrical connector (300).