Connector Shell Positioning Protrusion Alignment

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Solution Overview

Problem

The existing connector design is prone to positioning protrusion deviations during assembly, which can lead to improper alignment and attitude of the tongue portion, making it difficult to ensure accurate assembly and fixing.

Innovation Solution

The connector design incorporates a shell with a hole and multiple positioning protrusions, including a first and two second protrusions, where the second protrusions are visible through the hole, allowing for easy checking and adjustment of protrusion positions, ensuring proper alignment and reducing deviations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the shell is assembled with the holding member without position checking, then the assembly process is simple and fast, but the positioning protrusions may be deviated from each other in the mating direction causing improper alignment

Engineering Contradiction:
Improveassembly speedVSAvoidpositioning protrusion alignment
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by providing position checking means (marks or transparent portions) on the shell before assembly. This allows the operator to check the positions of positioning protrusions in advance and make adjustments if deviations are detected, preventing misalignment issues before they occur during the actual assembly process.

Inventive Principle:
Principle #10Preliminary action

2Manufacturing precision

If position checking means is added to the shell, then positioning protrusion alignment can be checked and adjusted, but the device complexity increases

Engineering Contradiction:
Improvepositioning protrusion alignmentVSAvoidshell structure complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent uses visual indicators (marks or transparent portions) on the shell to indicate positioning protrusion locations. These visual cues allow for easy position verification without adding complex mechanical checking mechanisms. The marks or transparent portions can be simply printed or molded onto the shell surface, maintaining structural simplicity while enabling effective position checking.

Inventive Principle:
Principle #32Color changes

Data Source

PatentUS10910759B2Connector
Publication Date: 2021.02.02 JAPAN AVIATION ELECTRONICS IND LTD
  • US10910759B2 patent drawing
  • US10910759B2 patent drawing
  • US10910759B2 patent drawing

AI summary

A connector includes a plurality of contacts, a holding member and a shell. The holding member has a main portion and a tongue portion. The main portion includes three or more positioned portions. The shell is formed with a hole and three or more positioning protrusions. The hole has a closed periphery on a surface of the shell. The hole pierces the shell in a first direction perpendicular to a mating direction. The positioning protrusions occupy zones, respectively, in the mating direction. The zones overlap with each other in the mating direction. The positioning protrusions include a first positioning protrusion and two second positioning protrusions. The first positioning protrusion forms a part of the closed periphery of the hole. The first positioning protrusion faces the hole. When the shell is viewed alone, at least one of the second positioning protrusions is visible through the hole.