Terminal Platform Bracket Support Stability

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Solution Overview

Problem

Terminal platforms fixed to metal brackets may not be stably supported, leading to potential falls and electrical short circuits due to improper alignment and contact between the terminal fitting and the bracket.

Innovation Solution

A resin terminal platform with a support-receiving portion, terminal fixing portion, and a partition wall that separates the wire connection area from the bracket's support portion, ensuring stable fixation and preventing electrical contact.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the terminal platform is fixed to the metal bracket with the mounting piece protruding from the bracket, then the terminal platform can be supported by the bracket, but the mounting piece may separate from the lock portion under fixing force and the terminal platform may fall from the bracket

Engineering Contradiction:
Improvesupport stabilityVSAvoidfixation reliability
Core Design Contradiction:
Stability of the object's compositionVSReliability

Solution Approach 1:

The patent introduces a lock portion on the terminal platform that engages with a mounting piece on the bracket through a bayonet-style coupling mechanism. This intermediary locking structure mediates between the terminal platform and bracket, providing positive mechanical engagement that prevents separation under fixing force while maintaining support stability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If the bracket is placed at a position close to the terminal fitting, then the terminal platform can be compactly mounted, but the terminal fitting and the bracket may contact each other and a short circuit may be generated

Engineering Contradiction:
Improvemounting structure compactnessVSAvoidelectrical short circuit risk
Core Design Contradiction:
Device complexityVSObject-affected harmful factors

Solution Approach 1:

The patent divides the terminal platform structure into functionally separated regions: a support-receiving portion that contacts the bracket's support portion, and a wire connection portion for electrical connections. This segmentation allows the platform to maintain compact mounting near the bracket while preventing electrical contact between the bracket and terminal fitting through structural isolation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The terminal platform itself acts as an intermediary barrier between the metal bracket and the terminal fitting. The platform's body physically separates the electrical components from the conductive bracket, preventing direct electrical contact while allowing mechanical support through the support-receiving portion.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Force

If the terminal fixing portion is positioned at a side facing the support-receiving portion, then the fixing force is directly transmitted to the support portion for stable support, but the tip end of the support portion is positioned near the wire connection portion and electrical contact may occur

Engineering Contradiction:
Improvefixing force transmissionVSAvoidelectrical contact risk
Core Design Contradiction:
ForceVSObject-affected harmful factors

Solution Approach 1:

The terminal platform is segmented into distinct functional zones: the support-receiving portion for mechanical support, the terminal fixing portion for securing terminal fittings, and the wire connection portion for electrical connections. This spatial segmentation allows fixing force to be transmitted directly to the support portion while maintaining physical separation between the support portion tip and electrical components, preventing electrical contact.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9093829B2Terminal platform
Publication Date: 2015.07.28 SUMITOMO WIRING SYSTEMS LTD
  • US9093829B2 patent drawing
  • US9093829B2 patent drawing
  • US9093829B2 patent drawing

AI summary

A terminal platform is provided that can be stably supported by a bracket, and that avoids electrical contact between the bracket and a terminal fitting. Terminal fittings that form an L shape by wire connection portions and terminal main bodies are supported on a terminal platform. A platform main body of the terminal platform has (i) support-receiving portions that are supported by a support portion formed on a metal bracket, (ii) a terminal fixing portion that is positioned at a side opposite to the support-receiving portions and fixes the terminal main bodies, and (iii) a surface portion that is arranged to intersect the terminal fixing portion and the support-receiving portions, and that is along the wire connection portions. Additionally, a partition wall of the terminal platform extends to the surface portion and is arranged facing a tip end of the support portion, and separates the wire connection portions.