Refrigerator Display Unit Rotational Mounting for Tool-Free Separation
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Solution Overview
Problem
Existing refrigerator display units are inconveniently separated from the door, requiring additional components and potentially damaging the door's front side during separation.
Innovation Solution
A display unit mounting system where the display unit is solidly attached to a concave display case on the door, using coupling protrusions and grooves to secure and separate the unit from the door, allowing for easy detachment without additional components and minimizing door damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display unit is separated from the door using an additional separation unit, then the display unit can be detached, but additional components are required and the front side of the door is damaged
Solution Approach 1:
The separation function is merged into the coupling protrusion structure itself. The coupling protrusion includes an insertion prevention protrusion that integrates both attachment and separation functions, eliminating the need for separate separation units or tools. The front surface of the display unit serves dual purposes as both a display surface and a lever arm for separation.
Solution Approach 2:
The coupling protrusion structure is designed to perform multiple functions: attachment to the door, prevention of accidental detachment, and facilitation of intentional removal. The insertion prevention protrusion acts as both a locking mechanism and a lever arm for separation, reducing the need for additional specialized components.
2Ease of operation
If the display unit is separated from the door using the front side of the door as a lever, then the display unit can be detached, but the front side of the door is damaged
Solution Approach 1:
The insertion prevention protrusion acts as an intermediary element between the display unit and the door. Instead of directly using the door's front surface as a lever, the protrusion engages with a corresponding groove or space on the door, distributing the separation force and preventing direct contact that would damage the door's front side.
Solution Approach 2:
The harmful function of the door's front surface as a lever is extracted and replaced by a dedicated insertion prevention protrusion structure. This separates the detachment function from the door's cosmetic surface, allowing the door to maintain its aesthetic appearance while still enabling easy removal of the display unit.
3Strength
If the display unit is solidly mounted to the door, then the attachment is secure, but the separation becomes difficult
Solution Approach 1:
The coupling mechanism transitions from a static fixed state to a dynamic separable state. The insertion prevention protrusion is designed to engage firmly during normal use (providing strong attachment) but can be easily disengaged when force is applied to the front surface (enabling separation). The system adapts its strength based on the operational state.
Solution Approach 2:
The attachment mechanism is segmented into distinct functional elements: the coupling protrusion for attachment, the insertion prevention protrusion for securing, and the front surface for separation initiation. This segmentation allows each element to perform its specific function optimally while working together to provide both strong attachment and easy separation.
Data Source
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AI summary
A refrigerator includes a body having a storage compartment; a door that opens and closes the storage compartment; and a display unit separably provided on a front side of the door, if one side of the display unit is inserted into an inner side of the front side of the door due to rotation, the other side of the display unit being provided to protrude toward a front of the door. With this configuration, the display unit can be easily separated from the door.