Refrigerator door with replaceable door panel
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Solution Overview
Problem
Conventional refrigerator doors with replaceable door panels have a design where hooks protrude from the top, resulting in an unsatisfactory appearance that fails to meet user demands for long-term aesthetic adjustment and is costly to replace.
Innovation Solution
The design incorporates a foam door body with a hook-catching portion and a door panel with a hook that engages the hook-catching portion, allowing for simple and reliable mounting and detachment, reducing replacement costs and time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hooks are provided at the top end of the door panel to engage with hook holes in the foamed door body, then the door panel can be easily replaced, but the hooks protrude from the top end resulting in an unsatisfactory appearance
Solution Approach 1:
The hook structure is extracted from the visible front surface and relocated to the rear surface of the door panel. The hook-catching portion is embedded into the foamed door body, concealing the fastening mechanism while maintaining the replaceable function. This resolves the contradiction by removing the protruding hooks from the appearance-critical area.
Solution Approach 2:
The hook is nested within the door panel thickness, and the hook-catching portion is nested within the foamed door body. The fastening mechanism is embedded rather than protruding, allowing the door panel to have a smooth, clean appearance while retaining the ease of replacement through the concealed hook structure.
2Shape
If the whole door body is replaced to change the appearance, then the aesthetic demands are satisfied, but the replacement cost is high and the use of the refrigerator is affected
Solution Approach 1:
The door assembly is segmented into the foamed door body and the detachable door panel. Only the panel needs to be replaced for aesthetic updates, not the entire door body. The hook-and-hook-catching-portion connection enables independent panel replacement, reducing cost and downtime while satisfying appearance requirements.
Solution Approach 2:
The door panel is designed with dynamic replaceability through the hook mechanism. The panel can be quickly attached and detached as needed, allowing flexible appearance changes without permanent installation. This dynamic capability enables cost-effective aesthetic updates compared to permanent whole-door replacement.
3Ease of operation
If a simple hook structure is used for mounting the door panel, then the replacement process is simple, but the mounting reliability may be insufficient
Solution Approach 1:
The hook structure combines multiple functions: the hook itself provides engagement, the inclined surface guides alignment and facilitates attachment/detachment, and the sliding groove secures the hook in place. This merged structure achieves both simple operation and reliable mounting through the coordinated interaction of these elements.
Solution Approach 2:
The inclined surface and sliding groove create a curved path for the hook during attachment and detachment. The hook slides along the inclined surface and locks into the sliding groove, providing a smooth, reliable connection that is both easy to operate and mechanically secure. The curved geometry facilitates automatic alignment and secure engagement.
Data Source
AI summary
The present invention provides a refrigerator door with a replaceable door panel, comprising: a foam door body, and a door panel detachably connected with the foam door body; the foam door body comprises: a foam main body, and a hook-catching portion embedded from a front surface of the foam main body; the door panel comprises a door panel face and a hook disposed in engagement with the hook-catching portion; the hook-catching portion comprises a first groove formed by recessing from the front surface of the foam main body towards an interior of the foam main body, where a first sliding groove disposed inclinedly and a second sliding groove connected to the first sliding groove are formed in the first groove; the hook comprises: a first sliding rod and a second sliding rod that engage the first sliding groove and the second sliding groove, respectively.