Variable Refrigerator Shelf for Tall and Wide Item Storage
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Solution Overview
Problem
Conventional variable shelves in refrigerators require removal when storing items taller than the shelf interval and wider than the second partition shelf, causing inconvenience to users.
Innovation Solution
A variable shelf design featuring a pivotable first partition shelf and a movable second partition shelf, with a shelf frame and guide projections, allowing the second shelf to protrude forward and overlap with the first shelf, enabling storage of items taller and wider by adjusting the partition configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the second partition shelf is moved forward to protrude from the first partition shelf, then storage space for wide items is created, but the structural stability and alignment of the shelf may be compromised
Solution Approach 1:
The shelf frame is segmented into side frame parts with independent guide structures. Each side frame part includes guide projections that work with corresponding grooves on the partition shelves, providing individual guidance and support that maintains overall structural stability even when the second partition shelf is in the protruding position.
Solution Approach 2:
Guide projections and grooves act as intermediary elements between the shelf frame and partition shelves. These intermediaries transmit and distribute mechanical loads, ensuring that the movable second partition shelf remains properly aligned and stable during position transitions and while supporting items.
Data Source
AI summary
A refrigerator has a variable shelf which may include a first partition shelf mounted to be pivotable about a rear end thereof, and a second partition shelf mounted to move relative to the first partition shelf and therefore protrude to a front of the first partition shelf. When the first and second partition shelves are rotated about the rear end of the first partition shelf in a state where the second partition shelf is disposed at a lower part of the first partition shelf, it may be guaranteed a storage space even for item(s) higher than an interval between the shelves and wider than a front-to-rear width of the second partition shelf.