Shield Connector Stopper Structure for Stable Dielectric Positioning
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Solution Overview
Problem
The sheath of a shielded cable can become displaced during crimping due to the displacement of the dielectric within the shield shell, leading to potential impedance variations.
Innovation Solution
A shield connector design with a dielectric that includes a stopper portion to prevent movement along the outer conductor by abutting on its wall surface, using a supporting member to position the inner conductor and maintain a constant distance, thereby adjusting impedance accurately.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the dielectric is inserted in the shield shell during crimping, then the sheath can be fixed by the barrel portion, but the dielectric may be displaced with respect to the shield shell
Solution Approach 1:
A stopper member is introduced as an intermediary component between the dielectric and the shield shell. This stopper member has a stopper portion that contacts the dielectric and a stopping portion that contacts the shield shell, thereby preventing the dielectric from being displaced during crimping while maintaining the fixing function of the barrel portion
Solution Approach 2:
The function of preventing dielectric displacement is separated from the dielectric itself and assigned to a distinct stopper member. This segmentation allows the dielectric to focus on its primary function while the stopper member专门 handles the positioning and prevention of displacement
Data Source
AI summary
A shield connector is provided with an inner conductor, a dielectric for accommodating the inner conductor, and an outer conductor for surrounding the dielectric. The dielectric includes a stopper portion for stopping a movement of the dielectric along a wall surface of the outer conductor by abutting on the outer conductor. A displacement of the dielectric with respect to the outer conductor can be prevented by the abutment of the stopper portion on the outer conductor.