Dishwasher
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Solution Overview
Problem
Conventional dishwashers require multiple components to fix the drain hose in a curved shape, leading to increased complexity, reduced efficiency, and potential interference with other hoses, resulting in a longer hose length and increased risk of damage.
Innovation Solution
A dishwasher with a simplified coupling structure using a first coupler and a hose fixer that integrates with the machine room, reducing the number of fixing points and allowing the drain hose to be securely attached with fewer components, thereby shortening the hose length and improving assembly efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple components are used to fix the drain hose in a curved shape, then the drain hose can be securely fixed and prevent backflow, but the device complexity increases and assembly efficiency decreases
Solution Approach 1:
The patent combines multiple fixing functions into a single integrated hose fixing member. This member simultaneously provides curve formation for backflow prevention and multiple fixing points for secure attachment, eliminating the need for separate curve-forming components and clamps. The merging of functions reduces the number of components while maintaining fixing reliability.
Solution Approach 2:
The hose fixing member is designed as a multi-functional component that performs multiple roles: it forms the necessary curve shape for backflow prevention, provides multiple attachment points for securing the drain hose, and integrates with the machine room structure. This universal design allows one component to replace several traditional separate components.
2Reliability
If multiple components and fixing points are used for the drain hose, then the hose can be securely fixed, but the hose length increases and assembly efficiency decreases
Solution Approach 1:
By merging the curve formation function and fixing function into a single integrated member, the patent eliminates unnecessary intermediate components and connection points. This direct integration shortens the hose path while maintaining secure fixation at the essential points.
Solution Approach 2:
The patent extracts and eliminates redundant components from the traditional multi-component fixing system. By removing unnecessary intermediate fixings and curve-forming elements, the design achieves secure fixation with a shorter, more direct hose routing.
3Reliability
If multiple components are used for drain hose fixation, then the hose can be securely attached, but the number of components increases leading to potential interference with other hoses
Solution Approach 1:
The integration of multiple fixing functions into a single hose fixing member reduces the total number of components in the drainage system. This consolidation minimizes the risk of interference between multiple separate components and other hoses, while maintaining secure attachment through the multi-functional design of the unified component.
Data Source
AI summary
A dishwasher includes a main body, a tub provided inside the main body and configured to form a washing chamber, a machine room formed under the tub, a drain hose configured to discharge washing water stored in the washing chamber, and a hose fixer disposed on a side surface of the tub and configured to fix at least a part of the drain hose, and the drain hose further includes a first coupler coupled to one side of the machine room and a second coupler coupled to the hose fixer, and the first coupler includes an insertion part provided to extend in a longitudinal direction of the first coupler to be inserted to the one side of the machine room to couple the first coupler to the one side of the machine room.