Foldable Dishwasher Basket Rods for Stable Crockery Loading
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Solution Overview
Problem
Existing crockery baskets for dishwashers face issues with costly production, instability, and damage to crockery due to wave-shaped wires and fixed rod arrangements, which lead to ineffective rinsing and drying, especially for small plates and large items.
Innovation Solution
A crockery basket design featuring a base wire with angled ends pivotally mounted on the bottom, allowing the row of rods to be folded, creating a spacing between the crockery and the basket's base, thus preventing damage from the spray arm and improving loading flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If wave-shaped wires are used in the bottom region, then crockery can be received between the wires, but production costs increase and small plates may project below the basket causing damage
Solution Approach 1:
The patent removes the wave-shaped wires from the bottom region and replaces them with a flat bottom and a movable row of rods. This extraction eliminates the harmful effect of crockery projecting below the basket while maintaining the ability to receive and hold crockery pieces.
Solution Approach 2:
The patent introduces a movable row of rods that can be folded up and down. When folded down, the rods hold crockery at an elevated position, preventing small plates from projecting below the basket. This dynamic structure allows the basket to adapt to different crockery sizes while avoiding damage.
2Reliability
If rod wires are fixedly arranged, then crockery can be held, but it becomes difficult to fill the basket with large pieces of crockery
Solution Approach 1:
The row of rods is designed to be foldable, allowing it to move between an extended position for holding crockery and a retracted position for accommodating large pieces. This dynamic capability provides both holding stability and loading flexibility.
Solution Approach 2:
The row of rods consists of multiple individual rod wires that can move independently. This segmentation allows the structure to adapt to different crockery sizes and shapes, providing versatility in loading options while maintaining reliable holding capability.
3Device complexity
If the bearing point is also the support point for crockery, then the structure is simplified, but crockery is held unstably and may be damaged by base mat wires
Solution Approach 1:
The patent separates the bearing function from the support function. The row of rods is borne by the base mat at a specific point, but crockery is supported by the rod wires at different locations. This separation ensures stable holding and prevents damage from base mat wires.
4Adaptability or versatility
If the row of rods is folded away, then space for large pieces of crockery is created, but the bearing arrangement must accommodate movement
Solution Approach 1:
The row of rods is designed with a simple hinge connection to the base mat, allowing it to fold up and down easily. This dynamic design provides loading flexibility for both small and large crockery pieces while keeping the bearing arrangement relatively simple.
Data Source
AI summary
A crockery basket of a dishwasher for receiving pieces of crockery. The crockery basket includes a bottom; lateral parts that frame the bottom; and at least one row of rods that are arranged on the bottom to hold the pieces of crockery. The at least one row of rods has a base wire and individual rod wires that are attached to the base wire. Each end of the base wire is bent and pivotally mounted on the bottom. When the at least one row of rods is pivoted upright, the base wire is arranged at a distance from the bottom.