Refrigerator Door Storage Compartment With Independent Inner Access
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Solution Overview
Problem
Conventional refrigerators lack efficient storage solutions and user convenience, particularly in terms of accessing and organizing storage compartments, which affects storing efficiency and appearance.
Innovation Solution
The design incorporates a first door with a storing device that creates a second storage compartment within the first compartment, accessible via a second door, featuring a frame with baskets and coupling parts for improved storage efficiency and user convenience, while maintaining a unified appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a storing device is coupled to the first door to create a second storage compartment, then storage efficiency and user convenience are improved, but the device complexity and structural load increase
Solution Approach 1:
The storing device including frame and basket is nested within the first door assembly, creating a second storage compartment that is integrated into the door structure. This allows the storing device to be coupled to the first door, enabling access to additional storage space without requiring a separate independent structure, thereby improving storage efficiency while managing device complexity through integrated design.
Solution Approach 2:
The first door serves multiple functions: it acts as a closure for the first storage compartment and simultaneously serves as a mounting structure for the storing device that creates the second storage compartment. This multi-functionality improves storage efficiency by utilizing the door structure for dual purposes while avoiding the need for additional separate components.
2Reliability
If multiple coupling parts are used to attach the storing device, then the storing device can be securely mounted, but the manufacturing complexity and assembly difficulty increase
Solution Approach 1:
The coupling mechanism is divided into multiple discrete coupling parts distributed between the first door and the storing device. This segmentation allows each coupling part to be independently manufactured and positioned at optimal locations, ensuring secure mounting through distributed attachment points while enabling modular manufacturing and simplified assembly of individual components.
Solution Approach 2:
The coupling parts are designed to be pre-positioned or pre-assembled on either the first door or the storing device frame before final assembly. This preliminary action ensures proper alignment and secure mounting while reducing assembly complexity during final installation, as the coupling interfaces are already prepared and positioned correctly.
3Shape
If the second door is made coplanar with the first door, then the appearance and sense of unity are improved, but the structural design complexity increases
Solution Approach 1:
The second door is designed with asymmetric positioning relative to the storing device frame, allowing it to achieve coplanar alignment with the first door when closed. This asymmetric design enables the aesthetic unity of having both doors coplanar while accommodating the structural requirements through non-uniform positioning and attachment mechanisms.
Solution Approach 2:
The coplanar relationship between the first door and second door is achieved through localized structural features at specific regions of the door assembly. Rather than requiring the entire structure to be uniformly designed for coplanarity, local quality adjustments in hinge positioning, door thickness, or mounting locations enable the coplanar appearance while simplifying the overall structural design.
4Ease of operation
If the storing device is accessible when the first door is closed, then user convenience is improved, but the structural load on the first door increases
Solution Approach 1:
The second storage compartment is extracted as a separately accessible unit from the main first storage compartment. The second door can be opened independently to access the storing device even when the first door remains closed, providing user convenience for frequently accessed items. The coupling parts between the first door and storing device are designed to bear and distribute the structural load, managing the force requirements while enabling independent access.
Data Source
AI summary
A refrigerator includes a cabinet that defines a first storage compartment; a first door that is opened or closed to allow or prevent access to an interior of the first storage compartment; and a storing device coupled to the first door to define a second storage compartment. When the first door is closed, the second storage compartment is disposed in the first storage compartment. The refrigerator also includes a second door connected to the first door and configured to be opened or closed to allow or prevent access to an interior of the second storage compartment. The interior of the second storage compartment is accessible when the first door is closed and the second door is opened.