Motor-type multi-hinge
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Solution Overview
Problem
Conventional oven hinges restrict usable space due to their uni-axial design, making it difficult to insert and remove a water container, and are not suitable for appliances with spatial limitations.
Innovation Solution
A motor-type multi-hinge system with a multi-axial connection and multiple links that allows the door to be opened downward, reducing the overlap between the door and the main body, thereby increasing the usable space and facilitating easier access to the water container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional uni-axial hinge is used to connect the door to the main body, then the door can be opened and closed, but the hinge creates an overlapped portion that constricts usable space and makes it difficult to insert and remove the water container
Solution Approach 1:
The patent transitions from a conventional uni-axial hinge to a multi-axial hinge mechanism that enables the door to move not only horizontally but also downward. This dimensional change in motion trajectory eliminates the overlapped portion between the door and main body, thereby increasing usable space and facilitating water container replacement without requiring larger appliance dimensions
2Area of stationary object
If the door is opened downward to increase usable space, then the water container can be easily inserted and removed, but a complex multi-axial hinge mechanism with multiple links and a motor is required
Solution Approach 1:
The hinge mechanism is segmented into multiple functional components: a motor unit, a multi-axial hinge unit with first and second links, and a connection unit. This segmentation allows each component to perform a specific function (motor provides power, links provide motion transformation, connection unit provides structural coupling), making the complex mechanism modular, manageable, and suitable for automated operation
Solution Approach 2:
The patent replaces the purely mechanical conventional hinge with an electromechanical system that incorporates a motor. The motor automatically drives the multi-axial hinge to move the door downward, eliminating the need for manual manipulation and simplifying the user operation while managing the mechanical complexity through automation
3Ease of operation
If a multi-axial hinge with motor is used to push the door downward, then the door opens smoothly and usable space increases, but the device requires additional motor and link components
Solution Approach 1:
The hinge mechanism incorporates a motor that provides dynamic, automated control of the door opening process. The motor-driven multi-axial hinge enables smooth, controlled downward motion of the door, transforming the static manual hinge operation into a dynamic automated process that ensures smooth operation while managing component complexity through integration
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 motor-type multi-hinge system significantly increases the usable space by 10 mm or more, allowing for smoother door operation and preventing the water container from hitting the door during replacement.
Implementation Method 1
when the motor is driven, the motor link is rotated and the hold link and the main link are rotated, and the joint link and the upper link are rotated due to rotation of the main link, so that the arm is rotated while being pushed from the housing
Data Source
AI summary
The present invention relates to a motor-type multi-hinge and, more particularly, to a motor-type multi-hinge that, when the door is opened, is opened while being pushed downward from a main body such that a sufficient space can be secured in an oven equipped with a water container so as to facilitate replacement of the water container.