Sealed Enclosure Accessory Assembly With Visual Seal Engagement Tabs
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Solution Overview
Problem
Attachment of accessory components to sealed enclosures, such as traction battery packs, often requires complex sealing arrangements, making it difficult to visually confirm proper assembly without additional leak tests.
Innovation Solution
Incorporating an indicator tab that flexes between two positions, with a cam tab engaging a mating flange to mount the accessory component, providing a visual indication of proper assembly by protruding outward when fully engaged, ensuring secure sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If accessory components are attached to sealed enclosures with sealing arrangements, then sealing reliability is improved, but visual confirmation of proper assembly becomes difficult
Solution Approach 1:
The indicator tab changes its visual state (position/color) to indicate assembly status. When the cam tab is properly engaged, the indicator tab visually confirms proper assembly through its changed position, allowing easy detection without compromising sealing reliability
Solution Approach 2:
The indicator tab serves as an intermediary element between the cam tab engagement mechanism and the visual confirmation system. It translates the mechanical engagement state into a visible indicator, solving the detection difficulty while maintaining sealing integrity
2Reliability
If complex sealing arrangements are used for accessory components, then sealing performance is improved, but assembly complexity increases
Solution Approach 1:
The patent combines the sealing function (through the seal on the ring-like protrusion) with the indication function (through the indicator tab) into a single integrated accessory component assembly. This merging reduces overall assembly complexity while maintaining sealing performance
Solution Approach 2:
The cam tab and indicator tab mechanism provides self-verification of proper assembly. The system automatically indicates when the accessory component is correctly assembled and sealed, eliminating the need for additional leak tests or complex verification procedures
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
Facilitates easy visual confirmation of proper assembly, eliminating the need for subsequent leak tests and ensuring secure sealing of accessory components within sealed enclosures.
Implementation Method 1
An indicator tab of the accessory component is configured to flex between a first position and a second position for providing a visual indication that the accessory component is properly assembled
Data Source
AI summary
An accessory component may be secured to a sealed enclosure to provide an assembly. The accessory component may include one or more indicator tabs. The one or more indicator tabs may be configured to flex between a first position and a second position. In the second position, the indicator tabs may provide a visual indication that the accessory component is properly assembled relative to the sealed enclosure.