Refrigerator Door Dispenser Covering for Concealed Hygienic Storage
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Solution Overview
Problem
Refrigerators with built-in dispensers face challenges in maintaining aesthetic appeal and efficient operation, particularly in concealing the dispenser mechanism when not in use, which can lead to external appearance issues and potential contamination.
Innovation Solution
The design incorporates a dispensing unit that moves between a received and dispensing position, a cover unit that rotates to cover the opening, and a shielding unit to conceal the gap between the cover and dispenser receiving structure, along with a hermetically sealing member and a driving unit powered by a motor to manage the dispenser's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the dispenser unit is built into the refrigerator door, then the aesthetic appearance is improved, but the mechanism becomes exposed and creates contamination risk when not in use
Solution Approach 1:
The dispenser unit is extracted from the main refrigerator body and placed on a separate movable carriage that can be completely removed from the door. This allows the dispenser mechanism to be taken out when needed for dispensing, and completely removed or concealed when not in use, eliminating the contamination risk while maintaining aesthetic appearance.
Solution Approach 2:
The dispenser unit is made dynamic through the movable carriage system that allows it to move between a received position (concealed within the door), a dispensing position (extended outward), and a removed position (completely detached). This dynamic capability resolves the contradiction by allowing the dispenser to be concealed when not in use while being accessible when needed.
2Ease of operation
If the dispenser outlet is positioned on the door surface, then dispensing functionality is achieved, but the mechanism is visible and detracts from aesthetic appeal when not in use
Solution Approach 1:
The dispenser outlet position is made dynamic through the movable carriage system. The outlet can be extended to the door surface when dispensing is needed for easy operation, and retracted into the door body when not in use to maintain aesthetic appearance. This dynamic positioning resolves the contradiction between functionality and appearance.
Solution Approach 2:
The dispenser unit is nested within the door structure when not in use, with the carriage system allowing the dispenser to be housed inside the door body. When dispensing is needed, the unit extends outward from the nested position. This nesting approach allows the mechanism to be concealed while maintaining accessibility when needed.
Data Source
AI summary
A refrigerator, in which a dispensing unit moves between a received position and a dispensing position, and a dispenser receiving structure defines a receiving space in which at least a portion of the dispenser unit is positioned when the dispensing unit is oriented in the received position. The refrigerator also includes a cover unit that is attached to the dispensing unit and moves with the dispensing unit. The cover unit covers a portion of an opening defined in a surface of a door by the dispenser receiving structure when the dispensing unit is oriented in the received position. The refrigerator further includes a shielding unit that covers a gap remaining between the dispenser receiving structure and the cover unit when the dispensing unit is oriented in the received position.