Shielding Cage Structure for Upside-Down Connector Insertion Blocking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing connector assemblies lack a design to prevent pluggable modules from colliding with receptacle connectors when inserted upside down, and they fail to adequately resist rearward forces, leading to structure instability.
Innovation Solution
The connector assembly incorporates a shielding cage with a stopping piece and a support stopping block that prevent upside-down insertion and enhance structural stability by resisting rearward forces through a withdrawing stop portion and rear stopping piece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If guiding structures are provided to prevent upside down insertion, then insertion orientation control is improved, but structure complexity increases and may cause interference when properly oriented
Solution Approach 1:
The shielding cage incorporates asymmetric stopping pieces positioned at specific locations that create geometric interference when the pluggable module is inserted upside down. The stopping pieces are strategically placed to block the insertion path only in the incorrect orientation, while maintaining clear passage when properly oriented, thus using asymmetric geometry to encode insertion direction without complex mechanisms.
2Stability of the object's composition
If the receptacle connector is made more robust to resist rearward forces, then structural stability is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The stopping pieces are designed as separate, modular components that can be independently manufactured and then assembled to the shielding cage. This segmentation allows each stopping piece to be produced using simple processes while the overall assembly achieves the required structural stability to resist rearward forces during insertion, avoiding the need to manufacture a single complex robust connector housing.
Solution Approach 2:
Instead of strengthening the receptacle connector in the rearward direction through increased material or thickness, the stopping pieces extend into the insertion space from the shielding cage, utilizing the spatial dimension within the insertion path to provide mechanical support and force distribution, thereby achieving stability through spatial arrangement rather than material reinforcement.
3Reliability
If the stopping piece is positioned closer to the receptacle connector to better prevent collision, then protection effectiveness is improved, but the risk of interference with proper insertion increases
Solution Approach 1:
The stopping pieces are positioned at specific localized regions within the insertion space rather than uniformly distributed. They are placed at critical locations where geometric interference is needed to block upside-down insertion, while maintaining adequate clearance in other regions to allow smooth passage when properly oriented, thus achieving localized protection without global interference.
Data Source
AI summary
A connector assembly is disclosed to include a shielding cage and a receptacle connector. The shielding cage forms at least one insertion space and a front end port communicatively coupled to the insertion space, the insertion space is defined by a top wall, a bottom wall and two side walls which cooperate with each other. The receptacle connector is provided to a rear segment of the shielding cage and includes a receptacle housing. The shielding cage further includes at least one stopping piece and at least one support stopping block which extend into the insertion space, the support stopping block is interposed between the stopping piece and the receptacle housing and supports the stopping piece. In another manner, the shielding cage may include a withdrawing stop portion and a rear stopping piece, the withdrawing stop portion is used to limit the receptacle housing to displace rearwardly, the rear stopping piece is used to stop the receptacle housing from behind the receptacle housing.