Integrated Shield Shell Clamping Braiding
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Solution Overview
Problem
The existing shield connector structures require a large number of components and complex manufacturing methods, such as twist-pressing and die-casting, which increase costs and component counts, particularly when attaching braiding to the shield shell.
Innovation Solution
A shield structure featuring a hollow tubular shield member with a plate-like shell main body and extended shell tightening pieces that are bent to clamp the leading end of the shield member, eliminating the need for a traditional shield ring and simplifying the manufacturing process through punch-pressing and bend-pressing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional shield ring is used to attach the braiding to the shield shell, then the shielding functionality is maintained, but the component count increases
Solution Approach 1:
The shield shell and shield ring are merged into a single integrated component. The shield shell includes an integrated tightening structure with clamping portions that directly grip the braiding, eliminating the need for a separate shield ring while maintaining the shielding functionality through the combined structural design
Solution Approach 2:
The shield shell is designed to perform multiple functions: it provides the shielding enclosure and simultaneously incorporates the tightening mechanism through its integrated clamping portions. This multi-functional design replaces the traditional separate shield ring, reducing component count while maintaining effective braiding attachment
2Strength
If twist-pressing or die-casting methods are used to manufacture the shield shell, then the structural integrity is maintained, but the manufacturing cost increases
Solution Approach 1:
The shield shell manufacturing process is segmented into two simple stages: first forming the shell body, then separately forming the tightening structure through punch-pressing. This segmentation allows each part to be manufactured using simple, low-cost processes while maintaining the overall structural integrity of the integrated design
Solution Approach 2:
The manufacturing approach changes from complex processes (twist-pressing, die-casting) to simple punch-pressing operations. The parameters are adjusted to use lower-force, simpler forming processes that reduce manufacturing cost while still producing the required structural integrity through the integrated shell design
3Reliability
If a shield ring is used to clamp the braiding, then the braiding attachment is secure, but the manufacturing process becomes more complex
Solution Approach 1:
The clamping function previously performed by a separate shield ring is merged into the shield shell itself. The integrated tightening structure with clamping portions is formed as part of the shield shell through punch-pressing, securing the braiding effectively while simplifying the manufacturing process by eliminating a separate component and assembly step
Data Source
AI summary
A shield structure includes a shield member which is formed into a hollow tubular shape and a shield shell to which a leading end in the longitudinal direction of the shield member is attached. In the shield structure, the shield shell has a plate-like shell main body through which a through hole is bored, and a plurality of shell tightening pieces which are extended from an outer edge of the shell main body, the shell main body is so arranged that the leading end in the longitudinal direction of the shield member surrounds the through hole, and the leading end in the longitudinal direction of the shield member is clamped by the shell main body and the shell tightening pieces which are bent to the shell main body.