Dishwasher Basket Fixation Mechanism for Child-Safe Retention
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Solution Overview
Problem
Conventional dishwashers lack a mechanism to securely fix the basket, leading to potential accidents when children inadvertently enter the dishwasher or manipulate the basket, causing dishware to fall off.
Innovation Solution
A dishwasher equipped with a fixation member that moves between a stop state and a release state, engaging with a stopper to prevent the basket from being withdrawn, featuring a handle coupling part, basket coupling part, and stopper engaging part, along with holders for secure coupling, to prevent basket movement and dishware accidents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a door locking device is provided to prevent children from entering the dishwasher, then child safety is improved, but the device complexity increases and does not prevent basket manipulation accidents
Solution Approach 1:
The patent extracts the safety function from the door locking device and relocates it to the basket level by providing a fixation member that directly secures the basket to the washing tub. This separates the safety function from the door control system, preventing basket manipulation accidents independent of door lock status.
Solution Approach 2:
The fixation member acts as an intermediary between the basket and the washing tub, providing a mechanical connection that prevents unauthorized basket movement. This intermediary component directly addresses the safety issue by physically restraining the basket rather than relying on door lock status.
2Reliability
If a control lock is provided to prevent abnormal operation, then operational safety is improved, but basket manipulation accidents can still occur when children play with the basket
Solution Approach 1:
The fixation member is designed to be engaged in advance during the washing cycle, securing the basket before any potential manipulation can occur. This preliminary securing action prevents children from being able to move the basket or cause dishware to fall, regardless of their ability to operate controls.
Solution Approach 2:
The fixation member is designed to automatically engage with the stopper when the basket is inserted into the washing tub, providing self-securing functionality without requiring user intervention. This ensures the basket is secured by the system itself rather than relying on user compliance with control locks.
3Ease of operation
If the basket is made movable for easy loading and unloading, then ease of operation is improved, but the risk of accidental basket movement and dishware falling increases
Solution Approach 1:
The fixation member provides dynamic security by being engaged during the washing cycle to prevent movement, and can be easily disengaged when loading or unloading is needed. This dynamic state change allows the system to switch between secure (during operation) and accessible (during loading/unloading) modes.
Solution Approach 2:
The fixation member uses simple, inexpensive components (a movable fixation member and a stopper) that provide temporary securing during the washing cycle. The fixation is intended to be brief and reversible, allowing easy basket removal when needed while providing adequate protection during the actual washing operation.
Data Source
AI summary
A dishwasher capable of fastening a basket of the dishwasher therein using a fixation member and a basket fixation apparatus of the dishwasher, the dishwasher including a body having an opening, a washing tub provided at an inside the body, a basket disposed at an inside the washing tub to store dishware, a stopper disposed to at least one inner side of the washing tub, and a fixation member configured to prevent the basket from being separated from the body and to be able to move between a stop state that one portion of the fixation member is engaged with the stopper and a release state that the fixation member is moved from the stop state for the basket to be withdrawn from the body.