Spring-Loaded Cable Connector Backshell Tolerance Compensation
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Solution Overview
Problem
Typical backshell latching connector cable solutions experience tolerance stackup issues due to complex components, leading to loose fits and unstable connections, which can result in incomplete mating and degradation of signal performance.
Innovation Solution
A cable connector system with a spring-loaded backshell assembly and integrated latching mechanism, featuring guide pins, springs, and shoulder screws for alignment and force compensation, ensuring secure mating and minimizing tolerance-related issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a typical backshell latching connector cable solution is used, then the connector can be assembled, but tolerance stackup results in loose fit and unstable connection
Solution Approach 1:
The patent introduces a spring-loaded backshell assembly that dynamically adjusts the mating parameters of the connector. The spring mechanism compensates for tolerance variations by applying continuous force to maintain optimal contact pressure and alignment, transforming a static rigid connection into a dynamic adaptive one that accommodates manufacturing variations.
Solution Approach 2:
The spring-loaded mechanism acts as a pre-compression element that anticipates and compensates for tolerance stackup before it causes connection failure. By pre-loading the spring, the system creates a cushioning effect that absorbs dimensional variations and maintains reliable contact despite manufacturing tolerances.
2Reliability
If multiple latching components are used to ensure secure connection, then connection reliability improves, but device complexity increases
Solution Approach 1:
The patent combines the latching function and the compensation function into a single integrated spring-loaded backshell assembly. Rather than using separate latching components and compensation mechanisms, the spring-loaded structure performs both functions simultaneously, reducing the total number of parts while maintaining or improving connection reliability.
Solution Approach 2:
The spring-loaded backshell assembly serves multiple functions: it provides the latching action, compensates for tolerance variations, maintains contact pressure, and guides alignment. This multi-functional design eliminates the need for multiple specialized components, simplifying the overall latching mechanism while enhancing reliability.
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 system provides a stable and secure connection by compensating for physical tolerances and ensuring complete mating, enhancing signal integrity and reducing the risk of unmating due to vibration or user error.
Implementation Method 1
The springs provide the force to overcome initial mating force and the system for absorbing physical tolerances
Implementation Method 2
the moveable spring loaded backshell assembly which is incorporated into the cable connector by the use of a spring-loaded latching body
Data Source
AI summary
A cable connector assembly includes a first connector configured to mate with a second connector. The first connector has a first housing that supports a wafer with a first mating portion defined by the first housing and the wafer. The first connector includes a cable connected to the wafer that is disposed in a first housing. The first connector also includes a second housing with a latch and the second housing is movably mounted to the first housing. A biasing element disposed between the first housing and the second housing acts to urge the first housing and the second housing apart.