Body-mounted hinge assembly component
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Solution Overview
Problem
Conventional household cooking appliances face structural challenges as their load-carrying and aesthetic components are often combined, leading to inefficiencies in load distribution and potential for point failures due to uniform load distribution on thin sheet metal panels.
Innovation Solution
The introduction of elongated beads on vertical support columns and body-mounted hinge assemblies that engage with these columns, allowing for localized load distribution and transfer of loads through reinforced lateral portions, reducing the structural burden on thin sheet metal panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of stationary object
If thin sheet metal panels are used for front and side panels to reduce cost and weight, then manufacturing cost and weight are reduced, but structural strength and load-bearing capacity deteriorate
Solution Approach 1:
The patent divides the load-bearing function from the panel segments by introducing separate vertical support columns. These columns are specifically designed to carry the door weight and hinge loads, while the front and side panels can then be made thinner and lighter without compromising overall structural strength.
Solution Approach 2:
The vertical support columns act as intermediary elements between the heavy door and the thin sheet metal panels. These columns receive the hinge assemblies and transfer the door loads to the base rails and floor, protecting the thin panels from direct point loads that would cause failure.
2Ease of manufacture
If load is distributed uniformly across thin sheet metal panels, then simple mounting is achieved, but point failures occur due to concentrated stresses
Solution Approach 1:
The patent applies local quality by creating localized reinforcement zones through vertical support columns at critical load-bearing positions. These columns provide concentrated structural strength exactly where door hinges and loads are applied, while the rest of the thin panels maintain their lightweight characteristics.
Solution Approach 2:
The vertical support columns are pre-installed and positioned to intercept and distribute door loads before they reach the thin sheet metal panels. This preliminary load distribution prevents concentrated point stresses from developing in the panels in the first place.
3Device complexity
If door weight is supported directly by front and side panels, then direct mounting is simple, but structural integrity deteriorates under door load
Solution Approach 1:
The mounting system is segmented into three distinct components: vertical support columns for load bearing, hinge assemblies for door attachment, and thin front/side panels for enclosure. This segmentation allows each component to be optimized for its specific function while maintaining overall simplicity.
Solution Approach 2:
The vertical support columns serve as intermediary structures that receive the hinge assemblies and transfer door loads to the base rails. This intermediary layer protects the thin front and side panels from direct point loads, maintaining structural integrity without significantly increasing mounting complexity.
Data Source
AI summary
An appliance includes a hinge assembly for coupling a door to a housing or body of the appliance. The hinge assembly can include a body-mounted component, such as a body-mounted hinge or a body-mounted receiver. The body-mounted component is secured to a vertical support of the appliance. A mating component of the body-mounted hinge or body-mounted receiver is attached to the door.