Rustproof Coated Conduction Component Fixation
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Solution Overview
Problem
Existing electric conduction component fixation structures on vehicles degrade rustproof coatings when attempting to ensure electrical conductivity, leading to potential rust and compromised rustproof properties.
Innovation Solution
An electric conduction component fixation structure utilizing a fixed member with a rustproof coating film containing metal flakes and a binder, which becomes electrically conductive when compressed, allowing for electrical connection without removing the coating, using a bolt or similar press member to apply axial force and maintain rustproof integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the rustproof coating film is exfoliated to ensure electric conduction, then the electric conduction property is improved, but the rustproof properties are degraded
Solution Approach 1:
The invention changes the physical state of the rustproof coating film from a loose layered structure to a compressed dense structure. By applying compression force through the press member, the metal flakes are forced into closer contact, transforming the coating's electrical properties from insulating to conductive while preserving its rustproof function
Solution Approach 2:
The rustproof coating film is designed as a composite material containing metal flakes (for potential conduction), binder (for adhesion and protection), and other components. This composite structure allows the coating to simultaneously provide both rustproof protection and electrical conduction when compressed, eliminating the need to choose between the two functions
2Reliability
If the rustproof coating film is removed to fix the earth terminal, then the electric conduction property is improved, but the coating integrity is degraded
Solution Approach 1:
Instead of removing the coating, the invention changes its physical parameters through compression. The applied force alters the coating's density and electrical conductivity without compromising its chemical composition or structural integrity, allowing the terminal to be fixed while the coating remains intact
Solution Approach 2:
The press member acts as an intermediary that transmits compression force from the fixing terminal to the rustproof coating film. This intermediary mechanism enables the coating to be compressed into a conductive state without direct contact or damage from the terminal itself, preserving coating integrity while achieving conduction
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
Ensures electrical conductivity between the component and the vehicle body or bracket without degrading the rustproof properties, providing multiple conduction paths and enabling body earthing without coating removal.
Implementation Method 1
when the rustproof coating film is pressed by the electric conduction component, the rustproof coating film is compressed, the plurality of metal flakes come into contact with each other, and the rustproof coating film has electrically conductive properties
Data Source
AI summary
An electric conduction component fixation structure includes: a fixed member which has electrically conductive properties and on which an electric conduction component is arranged; and a press member that presses and fixes the electric conduction component, which is arranged on the fixed member, to the fixed member, wherein the fixed member includes a pressed surface that is pressed when the electric conduction component is fixed by the press member, and the pressed surface is covered by a rustproof coating film having a plurality of metal flakes which are layered and a binder which joins the plurality of metal flakes.