High Speed Connector Stability via Metal Plastic Nesting
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Solution Overview
Problem
Existing high-speed connectors lack sufficient fastening stability for reliable data transmission in peripheral components, such as hard disk interfaces.
Innovation Solution
A high-speed connector design featuring a metal casing with a strengthened side wall, combined with a plastic casing and terminal assembly, including a bolt strip mechanism and engagement studs/slots, enhances stability by integrating the metal and plastic components for improved structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the connector uses a simple structure, then the manufacturing cost is reduced, but the fastening stability is insufficient
Solution Approach 1:
The connector is divided into distinct functional segments: a metal casing for structural support, a plastic casing for insulation and guidance, and a terminal assembly for electrical connection. Each segment performs its specific function, allowing the overall structure to achieve high stability through modular design rather than requiring a monolithic complex structure.
Solution Approach 2:
The plastic casing is nested within the metal casing, with the plastic casing's outer wall fitting into the metal casing's inner cavity. The terminal assembly is further nested within the plastic casing. This nested arrangement allows multiple components to occupy overlapping spatial volumes, creating a compact yet stable integrated structure that enhances fastening reliability without excessive complexity.
2Strength
If the side wall is made thinner to reduce material usage, then the manufacturing cost decreases, but the strength of the side wall is reduced
Solution Approach 1:
The connector employs a composite structure combining metal and plastic materials. The metal casing provides high strength and rigidity for the side walls, while the plastic casing provides insulation and structural support. This composite approach allows the side walls to achieve sufficient strength with optimized material usage, as each material contributes its superior properties to the overall structure.
Solution Approach 2:
The metal casing is strategically positioned to provide enhanced strength at critical locations such as the side walls and connection interfaces, while the plastic casing handles non-critical areas requiring insulation and basic structural support. This localized allocation of material properties ensures strength is concentrated where needed, reducing overall material usage while maintaining side wall strength.
3Reliability
If the connector components are loosely assembled, then the assembly process is simplified, but the stability of the connector is reduced
Solution Approach 1:
The metal casing and plastic casing are merged into a unified integrated structure through the nesting arrangement, where the plastic casing fits within the metal casing and their walls engage with each other. This merging creates a single stable assembly unit that maintains connector stability while simplifying the assembly process, as the nested components naturally align and secure themselves without requiring complex fastening procedures.
Data Source
AI summary
A high speed connector includes a metal casing, a plastic casing, and a terminal assembly; the metal casing including a main wall, a side wall, and a combination position; the plastic casing including a front connection portion, an engagement member, a protrusion, and a terminal engagement slot; the main wall including an engagement bore; the side wall disposed on the main wall; the combination portion formed between the main wall and the side wall; the front connection portion and the terminal engagement slot disposed in and on a lateral side of the cover body; the engagement member laterally disposed on the front connection portion; the protrusion disposed on the cover body; when the metal casing being engaged with the plastic casing, the protrusion being engaged in the engagement bore, and the protrusion being engaged in the combination position.