Plug-in Wire Terminal With Leaf Spring Elastic Holding
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Solution Overview
Problem
Conventional plug-in wire connection terminal structures have complex configurations and high manufacturing costs due to excessive material usage and processing difficulties, leading to increased prices and reduced competitive ability, as well as inadequate structural strength and elastic holding effects.
Innovation Solution
A simplified plug-in wire connection terminal structure featuring a main body with arched guide slots, a holding plate with a conductive contact section, and a leaf spring with a bight section and oblique elastic arm, which securely connects with the holding plate and collar member to provide stable elastic holding without complex assembly or excessive material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional complex configurations are used for the leaf spring and metal piece, then structural strength and elastic holding effect are improved, but development cost, processing cost, and manufacturing complexity increase
Solution Approach 1:
The terminal structure is divided into distinct functional modules: the insulation housing forms one module, the metal piece forms another module, and the leaf spring forms a third module. Each module can be designed and manufactured independently, then assembled together. This segmentation allows for optimized design of each component without requiring overly complex integrated structures, thereby maintaining structural strength while reducing overall configuration complexity and development cost.
Solution Approach 2:
The invention extracts and separates the essential functional elements from the conventional complex design. Specifically, the metal piece is designed with integrated connection plates and contact arms that perform multiple functions, while the leaf spring is simplified to have only the necessary bight section, latch section, and clamping arm. By taking out only the essential components needed for structural strength and elastic holding, the configuration complexity is reduced while maintaining the required performance.
2Strength
If excessive material is used in conventional designs, then structural strength is improved, but manufacturing cost and waste material increase
Solution Approach 1:
The invention applies local quality by concentrating material only where structurally necessary. The metal piece uses high-conductivity metal material specifically at the connection plates and contact arms where electrical conduction and mechanical strength are required. The leaf spring uses material only at the bight section for elasticity and at the clamping arm for holding force. This localized material distribution maintains structural strength while minimizing overall material usage and reducing waste from excessive material consumption.
Solution Approach 2:
The invention changes material parameters by selecting high-conductivity metal material for the metal piece to achieve both electrical conductivity and mechanical strength with less material. The leaf spring is designed with appropriate elastic parameters to provide sufficient holding force without requiring excessive material thickness. By optimizing material parameters, the design achieves required structural strength with minimal material usage, reducing both manufacturing cost and waste material.
3Reliability
If conventional complex assembly procedures are used, then reliable connection is achieved, but assembly time and labor cost increase
Solution Approach 1:
The invention merges multiple functions into fewer components to simplify assembly. The metal piece integrates connection plates for electrical connection and contact arms for conductor contact into a single component. The leaf spring combines the elastic holding function, the latch mechanism, and the clamping function into one component. This merging reduces the number of parts that need to be assembled while maintaining reliable connections through the integrated functional design.
Solution Approach 2:
The invention incorporates preliminary action by pre-forming the connection plates and contact arms on the metal piece, and pre-forming the bight section, latch section, and clamping arm on the leaf spring during manufacturing. These components are prepared in advance with their final shapes and positions, eliminating the need for complex assembly operations. The conductor can be directly inserted and secured without requiring multiple assembly steps, thereby reducing assembly time while maintaining connection reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The structure reduces development and assembly costs, minimizes waste material, and enhances elastic holding effectiveness while maintaining structural strength and conductivity, making it easier to assemble and more cost-effective with improved performance.
Implementation Method 1
the leaf spring has highly stable elasticity
Data Source
AI summary
A plug-in wire connection terminal structure includes a main body having a receiving space. The receiving space is formed with an arched guide slot. A holding plate has a receiving section. Lateral sides of the receiving section are respectively formed with a wire entrance and a conductive contact section formed with a socket. An annular wall of the socket is formed a slit. A small-diameter fitting section is disposed at the conductive contact section. A collar member is fitted on the fitting section. A connection section is disposed on the receiving section. A leaf spring has a bight section received in the arched guide slot. One end of the leaf spring is formed with a connected section latched with the connection section. The other end of the leaf spring is formed with an abutment end obliquely extending the receiving section.