Charging Base Lead Frame Structure for Stable Elastic Cantilevers
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Solution Overview
Problem
In existing charging base lead frames for new energy vehicles, the elastic cantilevers' roots tend to fold backwards when mating with the signal terminal, necessitating wider bridging arms for stability, which reduces the effective length and elasticity of the cantilevers.
Innovation Solution
The design includes a charging base lead frame with a frame body featuring a receiving slot and leads where at least a portion of the bridging arms and fixed ends of the elastic cantilevers are wrapped within the frame body, enhancing the root strength and preventing folding while maintaining elasticity by reducing the bridging arm width.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the width of the bridging arm is increased to prevent the root of the elastic cantilever from folding backwards, then the strength of the root is enhanced, but the effective length and elasticity of the elastic cantilever are reduced
Solution Approach 1:
The bridging arm and fixed end of the elastic cantilever are wrapped inside the frame body, nesting these components within the housing structure. This protects the root area from external forces that could cause folding, while allowing the cantilever to maintain its original width and effective length for optimal elasticity and clamping performance
2Stability of the object's composition
If the width of the bridging arm is increased to prevent the root of the elastic cantilever from folding backwards, then the stability of the elastic cantilever is improved, but the elasticity of the elastic cantilever is reduced
Solution Approach 1:
The bridging arm and fixed end of the elastic cantilever are wrapped inside the frame body, nesting these components within the housing structure. This protects the root area from external forces that could cause folding, while allowing the cantilever to maintain its original width and effective length for optimal elasticity and clamping performance
Solution Approach 2:
Instead of increasing the width of the bridging arm in the horizontal dimension, the solution moves the protection mechanism to a different dimension by wrapping the bridging arm and fixed end within the frame body's internal space. This dimensional shift allows the cantilever to maintain its original cross-sectional dimensions and elasticity while gaining stability through structural support from the frame body
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
This configuration effectively prevents the elastic cantilevers' roots from folding backwards while maintaining their effective length and elasticity, enhancing the structural integrity and functionality of the charging base lead frame.
Implementation Method 1
a pair of elastic cantilevers connected to the lead body and suspended in the receiving slot for clamping the terminal
Data Source
AI summary
A charging base lead frame includes a frame body having a receiving slot and a plurality of leads fixed to the frame body. The leads include a first lead for electrical connection to a terminal of a charging base. The first lead includes a lead body fixed to the frame body, a pair of elastic cantilevers connected to the lead body and suspended in the receiving slot for clamping the terminal, and a pair of bridging arms respectively connecting a pair of fixed ends of the pair of elastic cantilevers to the lead body. At least a portion of the fixed ends of each of the elastic cantilevers is wrapped in the frame body.