Vertically Translating Hinge Mechanism for Built-In Oven Door Access
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Solution Overview
Problem
Conventional heating appliances with rotationally operable doors occupy space in front of the appliance when open, requiring users to stand away and reach over the door to access the interior, posing safety risks and inefficiencies in accessing the heating cavity.
Innovation Solution
A vertically translating hinge mechanism for the door panel that allows the door to move upwards and outwards, enabling users to stand in front of the appliance and access the cavity without reaching over the door, utilizing a power assist mechanism and offset arms to facilitate smooth operation between open and closed positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rotationally operable door is used in a heating appliance, then the door can enclose the heating cavity, but the door occupies space in front of the appliance when open, requiring users to stand away and reach over the door to access the interior
Solution Approach 1:
The door movement is changed from rotational (hinging at the side) to vertical translation (moving up and down). The door panel translates vertically along guides and is supported by a power assist mechanism that moves the door along its leading edge, eliminating the need for the door to swing outward and occupy space in front of the appliance.
2Volume of moving object
If a vertically translating door mechanism is implemented, then space in front of the appliance is minimized, but the mechanism complexity increases with power assist mechanisms and offset arms
Solution Approach 1:
The power assist mechanism automatically provides the force needed to move the door between open and closed positions. The mechanism includes a drive arm connected to the door panel and a power assist mechanism that automatically operates the door, reducing the need for manual effort and simplifying user interaction despite the mechanical complexity.
3Object-affected harmful factors
If the door is vertically translated to provide access, then user safety is improved by shielding from heated surfaces, but the mechanism requires precise operation between open and closed positions
Solution Approach 1:
The power assist mechanism is configured to automatically balance and operate the door panel between open and closed positions. The mechanism includes a drive arm and power assist mechanism that work together to automatically position the door, ensuring reliable operation and maintaining the door in the appropriate position without requiring precise manual control from the user.
Data Source
AI summary
A heating appliance includes an appliance cabinet having a plurality of sidewalls that defining a heating cavity. A door is operably connected to at least one of the sidewalls and operable between open and closed positions. A vertical translating assembly extends from the appliance cabinet to the door. The vertical translating assembly includes drive and offset arms and a power assist mechanism in operable communication with the drive arm. The power assist mechanism at least partially operates the door between the open and closed positions.