Replaceable Quick Connector Structure for Fast, Stable PCB Contact
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Solution Overview
Problem
Existing quick connectors for inductive switches are time-consuming and force-intensive to install due to long threaded components, and they tend to cause circuit board deflection leading to misalignment of inductive contacts, preventing circuit conduction after repeated use.
Innovation Solution
A replaceable quick connector design featuring a connector board with a plugging column, clamping blocks, and a locking nut, along with a connector base with clamping bases and inductive domes, allowing for stable fixation and accurate contact between inductive domes and contacts on the circuit board.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If threaded column and threaded hole are made longer to ensure firm installation, then connection reliability is improved, but installation time and effort increase significantly
Solution Approach 1:
The connection structure is segmented into modular components: connector board with plugging column, connector base with plugging hole, and locking nut. This segmentation allows each component to perform its specific function efficiently, enabling quick assembly without requiring long threaded components for stability.
Solution Approach 2:
The plugging column and plugging hole are pre-formed with precise dimensions and fitting tolerances, allowing the components to connect immediately without requiring extensive threading operations. The preliminary precision machining eliminates the need for long threaded sections.
2Reliability
If threaded column and threaded hole are made longer to ensure firm installation, then connection reliability is improved, but the overall volume of the quick connector increases
Solution Approach 1:
The locking nut is designed to fit over the plugging column and engage with the connector base, creating a nested structure where components fit within each other. This nesting minimizes the overall volume while maintaining strong connection reliability through the interlocking mechanism.
3Adaptability or versatility
If the quick connector is dismounted repeatedly, then replaceability is improved, but the circuit board becomes deflected causing misalignment of inductive pin and inductive contact
Solution Approach 1:
The plugging column and plugging hole are pre-formed with precise dimensions and fitting tolerances, allowing the components to connect immediately without requiring extensive threading operations. The preliminary precision machining eliminates the need for long threaded sections.
Solution Approach 2:
The connector design incorporates self-aligning features where the plugging column automatically guides the connector board into proper alignment with the circuit board during insertion. The structure itself provides the alignment function without requiring additional adjustment mechanisms.
4Reliability
If threaded column and threaded hole are made longer, then connection reliability is improved, but installation becomes more force-consuming
Solution Approach 1:
The connection structure is segmented into modular components: connector board with plugging column, connector base with plugging hole, and locking nut. This segmentation allows each component to perform its specific function efficiently, enabling quick assembly without requiring long threaded components for stability.
Solution Approach 2:
Instead of using traditional threaded fastening where force is applied to screw components together, the design inverts the approach by using a plugging column that inserts into a plugging hole, with the locking nut providing the securing function. This inversion eliminates the need for repetitive rotational forcing.
Data Source
AI summary
The present disclosure relates to a replaceable quick connector, which includes a connector board, a connector base, a circuit board and a locking nut, where a bottom center of the connector board extends downwards to form a plugging column, two clamping blocks are disposed on an outer wall of the plugging column, clamping convex points are formed in upper parts of the clamping blocks, the clamping blocks are arranged in relative to 180 degrees, a clamping sheet is disposed at a top of the connector base, a plugging hole for plugging the plugging column is formed in a center of the clamping sheet, the plugging hole extends inwards to form two clamping bases, the clamping bases are arranged in relative to 180 degrees.