Dishwasher Duct Segmented Assembly to Reduce Manufacturing Complexity
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Solution Overview
Problem
The manufacturing process of dishwasher ducts is complicated and inefficient due to the need for blow molding methods, which increase manufacturing steps and time when forming ducts that extend in multiple directions, making it difficult to achieve complex shapes and reducing productivity.
Innovation Solution
A dishwasher duct is formed by coupling a first housing and a second housing using injection molding, allowing the duct to extend in multiple directions without the need for blow molding, with components hooked together to simplify the manufacturing process and improve efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If blow molding method is used to form duct extending in multiple directions, then the duct can achieve complex shapes, but the manufacturing process becomes complicated and time-consuming
Solution Approach 1:
The duct is divided into multiple separate components (first duct component, second duct component, third duct component) that can be manufactured independently using injection molding. Each component extends in a specific direction and is then assembled together, avoiding the complexity of blow molding while achieving the required complex three-dimensional shape.
2Shape
If blow molding method is used to form duct extending in multiple directions, then the duct can achieve complex shapes, but the manufacturing time increases
Solution Approach 1:
The duct is divided into multiple separate components (first duct component, second duct component, third duct component) that can be manufactured independently using injection molding. Each component extends in a specific direction and is then assembled together, avoiding the complexity of blow molding while achieving the required complex three-dimensional shape.
3Adaptability or versatility
If duct extends in multiple directions, then it can supply wash water to multiple storage containers, but the manufacturing process becomes more difficult
Solution Approach 1:
The duct is divided into multiple separate components (first duct component, second duct component, third duct component) that can be manufactured independently using injection molding. Each component extends in a specific direction and is then assembled together, avoiding the complexity of blow molding while achieving the required complex three-dimensional shape.
Solution Approach 2:
The duct components are designed with universal coupling structures (coupling protrusions and coupling grooves) that allow them to be assembled in different configurations. The sealing surfaces and coupling mechanisms can accommodate various directional arrangements, enabling the same basic component design to serve multiple directional requirements.
4Ease of manufacture
If duct is formed as a single component, then manufacturing is simpler, but it cannot extend in multiple directions efficiently
Solution Approach 1:
The duct components are designed with universal coupling structures (coupling protrusions and coupling grooves) that allow them to be assembled in different configurations. The sealing surfaces and coupling mechanisms can accommodate various directional arrangements, enabling the same basic component design to serve multiple directional requirements.
Data Source
AI summary
Disclosed herein is a dishwasher. The dishwasher includes a main body, a tub provided inside the main body, a basket provided inside the tub to store items, an injection assembly configured to spray water to wash the item in the basket, and a duct including a first body configured to supply water to the injection assembly and provided to extend along a first direction, and a second body to which water flows and provided to extend from the first body to along second direction. The duct is formed by coupling of a first housing provided to form at least a portion of the first body and the second body, and a second housing provided to form another portion of the first body and the second body.