Wine Cooler Reversible Door with Flush Handle and Hidden Hinge
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Solution Overview
Problem
Refrigerator wine coolers have aesthetically unappealing and difficult-to-clean front doors due to protruding handles and visible hinges, which complicate the process of reversing the door's attachment side without specialized tools.
Innovation Solution
A reversible front door design with a profile acting as a flush handle, a detachable L-shaped hinge extending into the door cavity, and a locking pin system allowing for easy attachment and detachment without tools, hiding the hinge and gasket for improved aesthetics and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a protruding handle is used on the front door, then the door is easier to open, but the aesthetic appearance deteriorates and cleaning becomes more difficult
Solution Approach 1:
The handle function is merged with the profile structure itself. The profile, which is already present as a structural element of the door, is designed to include an integrated handle feature, eliminating the need for a separate protruding handle component and maintaining a flush appearance.
Solution Approach 2:
The profile serves multiple functions: it provides structural support for the door, integrates the handle function for opening the door, and maintains the aesthetic flush appearance. This multi-functionality resolves the contradiction by combining what were previously separate elements into one unified component.
2Reliability
If visible hinges are used to attach the door, then the door can be securely attached, but the aesthetic appearance deteriorates
Solution Approach 1:
The hinge mechanism is extracted from the visible exterior and relocated to the interior of the door structure. The detachable hinge is mounted inside the door cavity, connecting the door to the cabinet from the interior side, thereby securing the door attachment while keeping the exterior surface flush and aesthetically pleasing.
Solution Approach 2:
The hinge is nested within the door structure. The detachable hinge is positioned inside the door cavity, with its connection points integrated into the door's internal framework, allowing the door to be securely attached while remaining hidden from external view.
3Reliability
If a traditional hinge attachment system is used, then the door is securely attached, but reversing the door requires specialized tools and increases complexity
Solution Approach 1:
The hinge attachment system is segmented into detachable components. The detachable hinge can be independently removed from the door, allowing the door to be separated from the cabinet without requiring specialized tools. This segmentation enables simple reversal by removing and reattaching the hinge segments to the opposite side.
Solution Approach 2:
The attachment system transitions from a fixed, permanent connection to a dynamic, reversible connection. The detachable hinge allows the door to be easily reconfigured from one side to the other, providing adaptability and simplicity in reversing the door's attachment side while maintaining secure attachment during use.
Data Source
AI summary
The present disclosure relates to a household appliance (20) comprising a reversible front door (22) configured to be selectably attached either on a left side or a right side of a cabinet (21) of the household appliance (20). The household appliance (20) further comprises a profile (23) configured to act as a handle being arranged on a top side of the front door (22), a detachable hinge (27) arranged to be mounted to the cabinet (21) behind the front door (22) and further being configured to extend into a cavity (21) of the front door (22) arranged below the profile (23) to connect the front door (22) to the cabinet (21), and a locking pin (29), wherein the profile (23) comprises a through hole (28) at at least one of its two ends for receiving the locking pin (29) configured to be inserted into the through hole (28) from an upper side of the profile (23), which locking pin (29) engages with a cavity (30) of the hinge (27) arranged under the profile (23) to pivotably attach the front door (22) to the hinge (27).