Refrigerator Door Front Flange Design for Flush Metal Panel Assembly
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Solution Overview
Problem
Existing refrigerator door designs face challenges in simplifying the appearance while connecting a metal sheet to the end cover, particularly in maintaining a clean and flush front surface, which is complex due to the arrangement of handle grooves and inclined surfaces.
Innovation Solution
The solution involves a front flange arranged parallel to an inclined surface portion on the door panel, facilitating connection and fixation between the metal sheet and end cover, with a first inserting groove parallel to the inclined surface, allowing for easy insertion and positioning of the flange, and simplifying the appearance by ensuring the front panel is flush with the end cover.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the grip portion of the handle groove is lower than the rear edge to facilitate user access, then ease of operation is improved, but the structure of the end cover becomes complex and the appearance is compromised
Solution Approach 1:
The patent introduces an inclined surface portion on the end cover that extends in a direction different from the traditional vertical depth dimension. This inclined surface allows the handle groove to be accessed from a different spatial dimension, maintaining ease of operation while avoiding the need for complex multi-level structures in the end cover.
Solution Approach 2:
The end cover is designed with an asymmetric inclined surface portion rather than a symmetric or conventional flat structure. This asymmetric design allows the handle groove to be positioned for optimal user access while maintaining a clean, simple appearance on the front surface of the refrigerator door.
2Ease of manufacture
If the end cover covers the front surface of the front panel, then connection and fixation are simplified, but the appearance cleanliness is compromised
Solution Approach 1:
The end cover is designed with differentiated local qualities: the inclined surface portion provides adequate coverage for connection and fixation purposes, while the front surface area is minimized or designed to be flush with the front panel, creating a clean appearance. This local differentiation allows the end cover to fulfill both structural and aesthetic requirements.
Solution Approach 2:
The end cover structure is segmented into functional zones: the inclined surface portion for connection and fixation, and the front surface portion for aesthetic purposes. This segmentation allows each portion to be optimized independently for its specific function while maintaining overall simplicity.
3Ease of operation
If the front panel structure is made complex to accommodate handle grooves and inclined surfaces, then ease of operation is improved, but manufacturing complexity increases
Solution Approach 1:
The handle groove and inclined surface features are extracted from the main front panel structure and integrated into the end cover component. This extraction simplifies the front panel to a basic flat surface while maintaining all the necessary operational features in the end cover, thereby reducing manufacturing complexity.
Data Source
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AI summary
The present invention relates to a refrigerator door and a refrigerator. A refrigerator door (1) includes an end cover (4) and a door panel (3) made of a metal sheet, where a top surface of the end cover (4) includes an inclined surface portion (42) that inclines downwards in a direction from the rear to the front, and the door panel (3) includes a front panel (31). According to the recommendations of the present invention, the door panel (3) includes a front flange (34) which is bent backwards from the front panel (31) and is connected to the end cover (4), an included angle (β) between the front flange (34) and the front panel is greater than 90 degrees, and the front flange (34) is located in parallel with and under the inclined surface portion (42).