Refrigerator
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Solution Overview
Problem
Freezer refrigerator doors often become misaligned during repair or replacement of components, leading to operational issues and potential damage due to the assembly tolerance, which requires an adjustment mechanism to maintain proper alignment.
Innovation Solution
A telescopic drawer slide assembly with a joining member that includes oversized apertures and embossments, allowing for adjustable coupling between the freezer door and the drawer slide assembly, enabling precise alignment and secure fastening to maintain the door's position relative to the enclosure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the freezer door is assembled with minimum total tolerance to ensure alignment, then the alignment precision is improved, but the ease of repair deteriorates because the door cannot be easily disassembled and reassembled without losing alignment
Solution Approach 1:
The joining member incorporates adjustable fastening mechanisms that allow the door assembly to be dynamically repositioned. The fasteners can be loosened to permit door movement for alignment adjustment, then tightened to lock the door in the precise position, enabling both high alignment precision and ease of repair through repeated adjustment cycles
Solution Approach 2:
The system allows changing the fastening state parameter from locked to unlocked, enabling the door to transition between a fixed precise alignment state and a movable adjustment state. This parameter change facilitates both precise alignment when fastened and easy repair when unfastened
2Manufacturing precision
If the freezer door is provided with an adjustment mechanism to maintain alignment, then the alignment precision is improved, but the device complexity increases
Solution Approach 1:
The joining mechanism is segmented into separate components: the joining member attached to the door, the guide rail mounted to the enclosure, and independent fasteners. This segmentation allows each component to be simple in structure while collectively providing precise alignment capability, reducing overall device complexity
Solution Approach 2:
The joining member acts as an intermediary element between the door and the guide rail, providing the adjustment functionality without requiring complex mechanisms in either the door or the rail themselves. This intermediary approach simplifies the overall system while achieving precise alignment
3Ease of repair
If the freezer door is disassembled for component replacement, then the ease of repair is improved, but the alignment precision deteriorates because the door may become distorted and misaligned upon reassembly
Solution Approach 1:
The adjustment mechanism allows preliminary alignment adjustments to be made before final fastening. After door disassembly and reassembly, the door can be preliminarily positioned using the adjustable fasteners, then secured in the correct alignment, preventing distortion and misalignment issues
Data Source
AI summary
An assembly includes an enclosure including an opening providing an access to an interior of the enclosure, a door configured to open or close the opening in the enclosure. The assembly also includes a drawer side assembly supported by the enclosure and coupled to the door to move the door at least in part between an open position and a closed position. The assembly further includes a joining member configured to adjustably couple the door to the drawer side assembly. The joining member includes one or more oversized apertures relative to corresponding fasteners.