Spring-Clip Electrical Connector for Airtight Wire Visualization
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Solution Overview
Problem
Existing terminal clip-type electrical connectors face limitations in the flexible arrangement of spring clips due to housing wall configurations, which restricts assembly and visualization, and require transparent plastic shells for airtightness and visualization, reducing operability.
Innovation Solution
An electrical connector design featuring an insulating housing with outer wall sections that allow partial exposure of the spring clip, enabling flexible arrangement and visualization, while maintaining airtightness through lever arm and crosspiece cooperation, eliminating the need for a transparent shell.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing wall section and outer boundary wall are arranged to ensure airtightness, then the airtightness of the insulating housing interior is improved, but the free arrangement flexibility of the spring clip is reduced
Solution Approach 1:
The housing wall section is segmented into multiple outer boundary walls that are arranged at intervals, creating multiple independent enclosed spaces. This segmentation allows the spring clip to be positioned flexibly within these spaces while maintaining airtightness through the coordinated arrangement of control pieces and outer boundary walls.
Solution Approach 2:
The control pieces are designed to be movable between open and closed states, dynamically adjusting the enclosure of the spring clip. When open, the spring clip can be freely arranged; when closed, the control pieces cooperate with outer boundary walls to ensure airtightness, thus resolving the contradiction between flexibility and reliability.
2Loss of information
If the insulating housing is designed as a transparent plastic shell to achieve visualization of internal wiring space, then the visualization purpose is met, but the structural limitations and reduced operability occur
Solution Approach 1:
The visualization function is extracted from the housing material (no longer requiring transparent plastic) and implemented through movable control pieces that can be opened to directly expose the internal wiring space, allowing visualization without compromising structural integrity or operability.
Solution Approach 2:
The control pieces are designed as movable components that can switch between closed (shielding) and open (exposing) states. This dynamic capability enables users to visualize the internal wiring space by opening the control pieces, eliminating the need for a transparent housing while maintaining full operability.
3Reliability
If the outer boundary wall shields the spring clip to ensure airtightness, then the airtightness is improved, but the heat dissipation capability of the insulating housing is reduced
Solution Approach 1:
The housing is divided into multiple enclosed spaces by segmented outer boundary walls arranged at intervals, rather than a continuous shield. This segmentation creates thermal pathways while maintaining airtightness within each enclosed space, improving heat dissipation without compromising reliability.
Data Source
AI summary
An electrical connector comprise an insulating housing, a spring clip disposed in the insulating housing, and control pieces for opening the spring clip. The insulating housing comprises outer wall sections separately corresponding to wire inserting spaces defined inside the insulating housing. Each outer wall section at least partially extends into a gap formed by a corresponding control piece when the control pieces are switched to a closed state. Moving spaces are defined on an outside of two sides of each of the outer wall sections. The control pieces perform an opening operation and a closing operation in the moving spaces. When the control pieces are in an open state, the spring clip is observed along the moving spaces. Along a width direction of the spring clip, the spring clip is at least partially exposed in projections of the moving spaces along an up-down direction of the moving spaces.