Dishwasher Rack with Turnable Withdrawal Unit for Easy Utensil Removal
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Solution Overview
Problem
Conventional dishwasher racks are cumbersome for withdrawing small-sized eating and cooking utensils after washing due to their design, which interferes with the support protrusions and wash water passages, making it difficult for users to easily handle and remove the items.
Innovation Solution
A rack with a turnable withdrawal unit having a lattice shape, coupled to the inner surface of the loading unit, allows for easy separation of dishes by turning upward, avoiding interference with support protrusions and wash water holes, facilitating easy handling and removal of utensils.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional rack design is used, then the structure is simple and easy to manufacture, but it is difficult for users to easily withdraw and handle small-sized eating and cooking utensils after washing
Solution Approach 1:
The withdrawal unit is designed to be rotatable relative to the loading unit, transforming a static rack structure into a dynamic one. This allows the withdrawal unit to rotate and extend outward, providing easy access to dishes without requiring users to reach into the confined space of the rack, thereby improving ease of operation while maintaining structural simplicity
Solution Approach 2:
The rack is divided into distinct functional units: a loading unit for holding dishes during washing and a separate withdrawal unit for easy dish removal. This segmentation allows each unit to perform its specific function optimally - the loading unit maintains structural simplicity while the withdrawal unit provides enhanced usability through its rotatable design
2Ease of operation
If the withdrawal unit is positioned to avoid interference with support protrusions and wash water holes, then dishes can be easily withdrawn, but the structural design becomes more complex
Solution Approach 1:
The rack structure is segmented into a loading unit with support protrusions and wash water holes, and a separate withdrawal unit with a lattice structure. This segmentation allows the withdrawal unit to be positioned independently to avoid interference with the loading unit's functional elements, while keeping the overall design manufacturable by using simple lattice patterns and standard joining methods
Solution Approach 2:
The rotatable connection between the withdrawal unit and loading unit allows the withdrawal unit to be positioned in different orientations. When rotated to the extended position, it naturally avoids interference with the support protrusions and wash water holes, achieving easy dish removal without requiring complex positioning mechanisms or difficult-to-manufacture fixed geometries
Data Source
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AI summary
A dishwasher (100) is disclosed. The dishwasher includes a washing tub (130) for defining a washing space, a rack (150) provided in the washing tub (130) so as to be withdrawn from the washing tub (130) for receiving dishes, and a plurality of spraying units (132, 133, 134), for spraying wash water to the rack (150). The rack (150) includes a receiving box (210) having a loading unit (215) on which dishes are loaded and a turnable withdrawal unit (250) coupled to the loading unit (215) in a state of being in contact with the loading unit (215) so as to be turned upward for separating the dishes, loaded on the loading unit (215), from the loading unit (215) when turned.