Dishwasher Rotatable Spray Nozzle for Deep Dishware Cleaning
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Solution Overview
Problem
Dishwashers often struggle to effectively wash dishware with great depth due to the limitations of standard spray nozzles, and there is a need for a dishwasher that can selectively control the spraying of wash water regardless of basket height adjustments.
Innovation Solution
A dishwasher design featuring a rotatable spray nozzle with a connection pipe and sub-duct system that allows for the selective spraying of wash water by rotating the nozzle between open and closed positions, and a height adjusting device to accommodate varying basket heights, ensuring consistent water flow and washing power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a general spray unit is used, then the structure is simple, but deep dishware cannot be washed clean
Solution Approach 1:
The spray system is divided into multiple independent spray nozzles (first spray nozzle, second spray nozzle, third spray nozzle) positioned at different locations and angles. Each nozzle targets specific areas of deep dishware, allowing comprehensive coverage that a single general spray unit cannot achieve.
2Reliability
If a separate spray nozzle is mounted on the basket to wash deep dishware, then washing effectiveness improves, but the device complexity increases
Solution Approach 1:
Multiple spray nozzles are integrated into a single coordinated system mounted on the basket. The nozzles work together as one unit, with their combined spray patterns covering all necessary areas of deep dishware, reducing the need for multiple separate spraying mechanisms.
3Adaptability or versatility
If the basket height is adjusted, then adaptability improves, but wash water supply to the spray nozzle becomes inconsistent
Solution Approach 1:
The connection pipe between the duct and spray nozzle is designed to be flexible or adjustable, allowing it to accommodate changes in basket height. This dynamic connection maintains proper water flow alignment regardless of the basket's vertical position, ensuring consistent wash water supply across different operating conditions.
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
This design enables effective cleaning of deep dishware by controlling wash water distribution and maintaining consistent washing power across different basket heights, enhancing the dishwasher's cleaning efficiency and user convenience.
Implementation Method 1
a spray nozzle coupled to the connection pipe to be rotatable from a first position where the connection pipe is open and a second position where the connection pipe is closed
Data Source
AI summary
Provided is a dishwasher having an improved structure capable of selecting whether to spray wash water. The dishwasher includes a washing tub, a basket provided in the washing tub to accommodate dishware, a duct provided in the washing tub to be supplied with wash water, a sub-duct mounted on the basket to guide the wash water, a connection pipe connected to the sub-duct, and a spray nozzle coupled to the connection pipe to be rotatable from a first position where the connection pipe is open and a second position where the connection pipe is closed.