Drawer-Type Laundry Drum with Dynamic Attachment for Vibration Control
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Solution Overview
Problem
Conventional front-loading laundry treatment apparatuses require users to stoop for loading and unloading laundry, experience significant vibration during operation, and risk the receiving unit moving out of the cabinet during washing or drying.
Innovation Solution
A laundry treatment apparatus featuring a drawer with a rotating drum and an attachment and detachment unit controlled by a controller to secure the drawer to the cabinet, minimizing vibration and preventing the drawer from being pulled out during operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a drawer-type receiving unit is pulled out from the cabinet for convenient laundry loading, then ease of operation is improved, but vibration during washing increases and reliability deteriorates
Solution Approach 1:
The patent applies a dynamic attachment and detachment unit that automatically changes the connection state between drawer and cabinet based on operational phase. During washing/drying, the unit securely attaches the drawer to minimize vibration. During loading/unloading, it detaches to allow smooth drawer movement. This dynamic state change resolves the contradiction between operational convenience and washing stability.
Solution Approach 2:
The attachment and detachment unit changes the mechanical connection parameter between drawer and cabinet based on operational conditions. When washing occurs, the unit transitions from detached to attached state, changing the structural rigidity and vibration characteristics. This parameter change enables the system to adapt to different operational requirements.
2Object-generated harmful factors
If the drawer is securely fixed to the cabinet during washing, then vibration is reduced, but ease of operation for loading laundry deteriorates
Solution Approach 1:
The system dynamically adjusts the drawer-cabinet connection based on operational phase. During washing, the attachment unit secures the drawer to reduce vibration. During loading/unloading operations, the unit automatically detaches, restoring full drawer mobility. This temporal separation of attachment states resolves the contradiction between vibration reduction and operational ease.
Solution Approach 2:
The attachment and detachment unit operates periodically based on washing cycle phases. It attaches during high-vibration washing phases and detaches during low-vibration loading phases. This periodic action pattern allows the system to optimize for vibration reduction when needed and operational ease when needed.
3Ease of operation
If the drawer is made detachable for easy removal, then ease of operation is improved, but the risk of drawer moving out during washing increases
Solution Approach 1:
The attachment and detachment unit acts as an intermediary mechanism between the drawer and cabinet. It provides controlled connection and disconnection functionality, preventing accidental movement during washing while allowing intentional removal when needed. This intermediary component resolves the contradiction by mediating between stability and removability requirements.
Solution Approach 2:
The system transitions from a static detachable connection to a dynamic conditional connection. The attachment unit automatically engages during washing to prevent drawer movement, and disengages during loading operations to allow removal. This dynamic behavior resolves the contradiction between accidental movement prevention and intentional removability.
Data Source
AI summary
A laundry treatment apparatus includes a drawer. The laundry treatment apparatus further includes a cabinet that is configured to receive the drawer. The laundry treatment apparatus further includes an introduction port that is located in an upper surface of the drawer. The laundry treatment apparatus further includes a drum that is located in the drawer and that is configured to communicate with the introduction port. The laundry treatment apparatus further includes a driving shaft that is located at a bottom surface of the drum. The laundry treatment apparatus further includes a driving unit that is configured to rotate the driving shaft. The laundry treatment apparatus further includes a controller that is configured to control the driving unit. The laundry treatment apparatus further includes an attachment and detachment unit that is configured to connect the drawer to the cabinet in response to a control signal from the controller.