Pull-Out Steam Shield Hinge for Easy Hood Filter Cleaning
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Solution Overview
Problem
Existing wall-mounted hoods with pull-out steam shields face challenges such as complex and costly manufacturing, difficult user operation, and cumbersome cleaning processes, failing to meet modern design and accessibility standards.
Innovation Solution
A wall-mounted hood with a pull-out steam shield featuring a hinge mechanism comprising three hinge bodies and elastic members, allowing easy actuation and access to filters for cleaning, while maintaining a neat appearance and style requirements, with the steam shield being easily removable without special tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a scissor-mechanism is used to link the steam shield to the hood structure, then the steam shield can move between rest and open positions, but the manufacturing time and costs increase excessively
Solution Approach 1:
The steam shield assembly is divided into separate components: the steam shield itself, the hood structure with integrated hinge mechanism, and the support arm as a distinct element. This segmentation allows each part to be manufactured independently using standard processes, then assembled together, eliminating the need for complex scissor-mechanisms while maintaining functionality.
2Strength
If the steam shield is tightly integrated to the hood frame, then structural integrity is maintained, but steam shield cleaning operations become particularly burdensome
Solution Approach 1:
The steam shield is designed as a removable component that can be easily detached from the hood structure without requiring special tools. The hinge mechanism allows the steam shield to be completely extracted from the assembly for cleaning purposes, then reattached when needed. This extraction capability maintains structural integrity during operation while enabling easy maintenance.
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 solution enables easy and efficient user operation, improved access for filter cleaning, and meets modern design standards, enhancing the overall usability and aesthetics of the hood while simplifying the cleaning process.
Implementation Method 1
a hinge mechanism comprising three hinge bodies and elastic members
Data Source
AI summary
A wall-mounted hood with a pull-out steam shield comprises a frame (2), a ventilating unit (3) contained in the frame (2), a steam shield (4) designed to move from a rest position to an open position and vice versa, a first hinge body (5) rigidly joined to the frame (2), a second hinge body (6) rigidly joined to the steam shield (4) and a third hinge body (7) operable between the first (5) and second (7) hinge bodies, the third hinge body (7) being contained in the first hinge body (5) and being adapted to move, in a direction (X), between a first position, in which it attaches the second hinge body (6) to the first hinge body (5), such that the steam shield (4) remains in the open position, and a second position in which it allows the second hinge body (6) to rotate about an axis parallel to said direction (X), such that the steam shield (4) reaches the rest position.