Refrigerator Door Panel Hook-Groove Connection for Easy Replacement
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Solution Overview
Problem
Existing refrigerators face challenges in meeting user demands for aesthetic changes over their service life due to high replacement costs when the door panel is broken or outdated, and current solutions for replaceable panels are not convenient or aesthetically pleasing.
Innovation Solution
A refrigerator door design featuring a detachable connection between a hook on the front panel and a hook groove on the foam door body, with a stopper elastically resisting the hook to secure the panel, and integrated handles for easy assembly and detachment, ensuring a seamless appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the whole door body of the refrigerator is replaced to change appearance or fix damage, then the appearance and functionality are restored, but the replacement cost is high and the use of the refrigerator is affected
Solution Approach 1:
The door body is segmented into a fixed door shell and a replaceable door panel. The door panel can be detached and replaced independently without replacing the entire door body, reducing complexity and cost while maintaining appearance adaptability.
Solution Approach 2:
The door panel is extracted as a separate replaceable component from the door shell. This allows the panel to be removed and replaced independently to change appearance or fix damage, avoiding the need to replace the entire door assembly.
2Adaptability or versatility
If a replaceable door panel design is implemented, then the appearance can be adjusted and replacement cost is reduced, but the connection structure becomes more complex
Solution Approach 1:
The hook and hook groove connection structure merges the functions of attachment, positioning, and securing into a single integrated mechanism. The stopper element combines positioning and locking functions, simplifying the overall connection structure while enabling replaceable panel functionality.
Solution Approach 2:
The hook-groove-stopper connection system serves multiple functions: attaching the panel to the door shell, positioning the panel correctly, securing the panel during use, and enabling easy detachment. This multi-functional design reduces the need for separate components for each function.
3Ease of operation
If the door panel is detachably connected for easy replacement, then the replacement convenience is improved, but the risk of gaps or misalignment affecting appearance increases
Solution Approach 1:
The hook groove and stopper are pre-positioned on the door shell during manufacturing, ensuring precise alignment references are already in place before the panel is attached. This preliminary positioning action ensures that when the panel is installed, it automatically aligns correctly without requiring complex adjustment procedures.
Solution Approach 2:
The mechanical connection system using hooks, grooves, and elastic stoppers replaces complex mechanical adjustment mechanisms. The elastic stopper provides self-adjusting positioning that compensates for minor manufacturing variations, maintaining appearance quality without requiring precision adjustment tools or procedures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates convenient and aesthetically appealing replacement of door panels, reducing costs and maintaining the refrigerator's appearance without gaps or damage.
Implementation Method 1
the stopper in the hook groove elastically pushes and resists against the hook in the front-rear direction so that the front panel is attached to the front side of the foam door body
Data Source
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AI summary
The present invention provides a refrigerator door with a replaceable door panel, comprising: a foam door body, and a front panel detachably connected to the foam door body; wherein a hook is disposed on a rear side of the front panel, a hook groove is disposed on a front side of the foam door body, a stopper is disposed in the hook groove, the hook is caught in the hook groove, and the stopper elastically pushes and resists against the hook in a front-rear direction.