Dishwasher Door Cover Mechanism for Safe Panel Adjustment Access
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Solution Overview
Problem
Conventional dishwashers pose safety risks due to the potential for users, including children, to accidentally insert their fingers into access apertures while adjusting decorative front panels, leading to injuries.
Innovation Solution
A dishwasher with a cover device that automatically moves from an open position to a closed position, covering the access aperture, using a sliding member and guiding mechanism to ensure the cover device is always in place, eliminating the need for user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an access aperture is provided on the door to allow user access to the adjusting member, then the ease of operation is improved, but the safety is worsened due to risk of accidental finger insertion and injury
Solution Approach 1:
The cover device is pre-configured to automatically cover the access aperture when the door is in the closed position, preventing accidental finger insertion before it can occur. The cover is integrally connected to the door assembly and moves with the door, ensuring safety without requiring user intervention.
Solution Approach 2:
The cover device is designed to be movable relative to the door, transitioning between a first position that covers the access aperture and a second position that uncovers it. This dynamic configuration allows the cover to automatically reveal the aperture when the user needs access while maintaining safety during normal operation.
2Object-affected harmful factors
If a cap is provided as an accessory to cover the access aperture, then the safety is improved, but the device complexity increases and ease of operation worsens due to user forgetfulness
Solution Approach 1:
The cover device is merged with the door assembly through integral connection, combining the safety function into the existing structure. This eliminates the need for separate cap accessories and ensures the cover is always present and properly positioned without adding significant complexity.
Solution Approach 2:
The cover device automatically performs the safety function without requiring user action. It self-adjusts to cover or uncover the access aperture based on door position and user interaction, eliminating forgetfulness issues associated with manual cap installation or removal.
3Object-affected harmful factors
If the cover device is manually operated to uncover the access aperture, then the safety is maintained, but the ease of operation worsens due to additional user steps required
Solution Approach 1:
The cover device is designed to be movable relative to the door, transitioning between a first position that covers the access aperture and a second position that uncovers it. This dynamic configuration allows the cover to automatically reveal the aperture when the user needs access while maintaining safety during normal operation.
Solution Approach 2:
The cover device acts as an intermediary element between the door and the user's finger. It provides a safe interface that automatically moves out of the way when needed, allowing easy access without requiring manual manipulation of a separate cap or cover.
Data Source
AI summary
A dishwasher having a chamber, and a door assembly having a chamber door movable between closed and open positions. The door has an access aperture to access an adjusting member for adjusting a position of a decorative front panel relative to the door, and a sliding member that slides along a sliding axis during door movement. The sliding member is configured to slide the decorative front panel relative to the door along the sliding axis during door movement. A cover is mounted on the door assembly and configured to take a first operative position in which it uncovers the access aperture and a second operative position in which it covers at least partially the access aperture. The cover mechanically cooperates with the sliding member to automatically move from the first operative position to the second operative position in response to the sliding of the sliding member.