Connector Housing Guide Cone Reduces Pin Deflection
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Solution Overview
Problem
Conventional connector designs require long male contact pins to ensure reliable connections, leading to deflection, breakage, and increased design complexity due to excessive length and tolerance issues.
Innovation Solution
A connection assembly with a guide cone recess in the female housing and a protrusion on the male housing allows for shorter contact pins while maintaining a minimum brush contact, reducing deflection and improving insertion accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If long contact pins are used to ensure reliable connections, then brush contact surface is sufficient, but pin deflection and breakage increase
Solution Approach 1:
The patent introduces a conical guide surface that changes the insertion geometry from a linear path to a guided angular approach. This dimensional change in the insertion path allows shorter pins to achieve proper alignment and contact without the deflection problems of long pins, while still maintaining sufficient brush contact surface through the guided insertion process
2Reliability
If long contact pins are used to ensure reliable connections, then brush contact surface is sufficient, but insertion angle errors are amplified
Solution Approach 1:
The conical guide surface performs preliminary alignment action before the actual contact pin insertion. The guide cone pre-positions and angles the pin during insertion, correcting angular errors before the pin reaches the contact point. This preliminary guiding action reduces the impact of insertion angle errors on connection quality
3Reliability
If long contact pins are used to ensure reliable connections, then brush contact surface is sufficient, but design complexity increases
Solution Approach 1:
The patent merges the alignment function and the contact function into a single integrated conical guide structure. Instead of separate alignment mechanisms and contact pins, the guide cone combines both functions, simplifying the overall connector design while maintaining connection reliability through the unified guided insertion process
Data Source
AI summary
The present invention relates to a socket housing and to a plug housing for use in an electrical connector. A connection face of the socket housing has a recess, at the base of which one or more guide cones are formed, which connect the outer surface of the connection face to one or more corresponding insertion channels in which the electrical contacts of the socket housing are housed. The plug housing includes a protrusion, on which the contact pins are arranged. The protrusion is shaped in section such that it can enter the recess in the connection face of the socket housing. Since the connection pins are not formed directly on a connection face of the socket housing, but on the protrusion, even pins having a length shorter than that of conventional pins can easily reach the electrical contacts in the socket housing and can establish a reliable electrical connection.