Electrical Connector Press Tabs for Seating Stability
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Solution Overview
Problem
Conventional electrical connector assemblies lack sufficient electrical shielding above and below signal conductors, leading to instability and potential damage during seating on circuit boards due to insufficient mechanical support.
Innovation Solution
The electrical connector assembly incorporates a housing with contact modules featuring dielectric holders that include press tabs and ground shields, allowing for robust seating by distributing pressing forces across the bottom of the connector, thereby enhancing mechanical stability and shielding effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If dielectric material is removed to provide space for shield members, then electrical shielding is improved, but mechanical stability deteriorates
Solution Approach 1:
The patent introduces press tabs that extend from the sides of the dielectric holder in a horizontal dimension, allowing force application at the bottom rather than compressing from the top. This dimensional shift enables shielding members to be positioned along the length of signal contacts without compromising mechanical stability, as the press tabs distribute pressing forces across multiple contact points at the bottom of the dielectric holder.
2Ease of manufacture
If conventional pressing forces are applied to seat the connector, then assembly is completed, but contact modules are damaged due to buckling
Solution Approach 1:
The patent segments the pressing force application by introducing multiple press tabs distributed along the bottom of the dielectric holder. Instead of applying a single concentrated force from the top, the seating tool engages multiple press tabs simultaneously, distributing the pressing forces across multiple contact points. This segmentation prevents buckling of the contact modules while completing the assembly process.
3Object-affected harmful factors
If ground shields are added along the lengths of signal contacts, then electrical shielding is improved, but device complexity increases
Solution Approach 1:
The patent merges the functions of mechanical support and electrical shielding by integrating shield members along the lengths of signal contacts within the dielectric holder structure. The shield members are positioned to provide electrical shielding while the press tabs provide mechanical support, combining multiple functions into a unified assembly that reduces overall complexity despite adding shielding capabilities.
Data Source
AI summary
An electrical connector assembly includes a housing having a cavity receiving a stack of contact modules each having a dielectric holder having first and second sides extending between a front and a rear and extending between a top and a bottom. Each contact module includes signal contacts having mating portions and mounting portions extending from the bottom for termination to a circuit board. The dielectric holder includes a press tab extending from the first side proximate to the bottom having press surface pressed downward by a seating tool to press the electrical connector assembly on the circuit board proximate to the bottom of the dielectric holder to seat the mounting portions in vias in the circuit board.