Shield Connector Shell Structure for Simpler Grounded Assembly
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Solution Overview
Problem
Existing shield connectors have complex assembly processes due to a large number of components, leading to increased assembly complexity.
Innovation Solution
A shield connector design that includes a wiring member, a cylindrical shield member, a housing, and a shield shell with a fixing and pressing portion, where the shield shell sandwiches the shield member between the pressing portion and the wall portion, simplifying assembly by grounding the shield member to the wall portion through a fixing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate components (upper shield shell, lower shield shell, braid, fastening members) are used to ensure shielding performance, then shielding reliability is improved, but device complexity and assembly complexity increase
Solution Approach 1:
The patent combines the upper shield shell, lower shield shell, and braid into a single integrated shield shell component. This merging maintains the shielding functionality while reducing the number of separate parts and simplifying the overall structure, directly addressing the contradiction between reliability and device complexity.
Solution Approach 2:
The integrated shield shell serves multiple functions simultaneously: it provides electromagnetic shielding, acts as a structural housing, and includes built-in fastening features (screw holes) for securing the wiring member. This multi-functionality eliminates the need for separate fastening members and reduces component count while maintaining shielding effectiveness.
2Reliability
If multiple separate components and fastening members are used to secure shield members, then connection reliability is improved, but assembly work complexity increases
Solution Approach 1:
The shield shell integrates the fastening function directly into the shell structure through built-in screw holes, combining the shielding component and fastening mechanism into one piece. This eliminates the need for separate fastening members and simplifies the assembly process while maintaining secure connections.
Solution Approach 2:
The shield shell is designed to be self-fastening through its integrated screw holes that directly engage with the housing, eliminating the need for additional fastening operations or separate fastening components. The structure serves its own fastening needs, reducing assembly complexity.
3Reliability
If a pressing mechanism is added to secure the shield member to the wall portion, then connection reliability is improved, but device complexity increases
Solution Approach 1:
The pressing function is merged into the shield shell structure itself, which is pressed against the housing wall through the integrated fastening mechanism. This eliminates the need for a separate pressing mechanism while maintaining secure attachment and reliable electrical connection.
Solution Approach 2:
The shield shell serves as both the shielding component and the attachment mechanism, combining multiple functions into a single element. The same structure that provides shielding also provides the pressing and fastening function, reducing overall device complexity while maintaining connection reliability.
Data Source
AI summary
A shield connector includes: a wiring member including a conductor and a sheath covering the conductor; a cylindrical shield member configured to allow the wiring member to be inserted thereinto; a housing configured to hold an end portion of the wiring member; and a shield shell having a fixing portion fixed to a wall portion of a device and a pressing portion, the shield shell covering the housing, in which the shield shell is configured to sandwich the shield member between the pressing portion and the wall portion in a state in which the fixing portion is fixed to the wall portion.