Cooling device with a center pillar and a rail fixation assembly
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Solution Overview
Problem
Existing cooling devices with large storage compartments lack efficient division and solid rail fixation, leading to wobbling of drawer doors and inadequate airflow.
Innovation Solution
A cooling device with a center pillar and a rail fixation assembly featuring spaced-apart brackets connecting to the ceiling and base, enhancing rigidity and airflow through ventilation openings, and utilizing reinforcement elements for improved mounting of rails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a center vertical mullion is used to divide the storage compartment, then the storage area is divided into sub compartments, but the rail fixation is insufficient causing drawer door wobbling
Solution Approach 1:
The rail fixation assembly is segmented into multiple brackets (first bracket connected to ceiling, second bracket connected to base) that are spaced apart vertically. This segmentation distributes the fixation points along the center pillar, providing multiple stabilization points that prevent drawer door wobbling while maintaining structural integrity.
Solution Approach 2:
The brackets are arranged in the vertical dimension along the center pillar, with the first bracket connected to the ceiling and the second bracket connected to the base. This vertical arrangement adds a dimensional aspect to the rail fixation, creating a more stable structure that prevents drawer door wobbling through distributed vertical support points.
2Strength
If brackets are spaced apart vertically along the center pillar, then rigidity of the rail fixation assembly is improved, but the device complexity increases
Solution Approach 1:
Multiple brackets (first bracket and second bracket) are merged into a single integrated rail fixation assembly that works together to provide rigid fixation. The brackets are combined with the center pillar and rails to form a unified structural system that enhances overall rigidity while distributing the complexity across standardized components.
3Area of stationary object
If the storage compartment is divided by a center vertical mullion, then area efficiency is improved, but airflow between sub compartments is insufficient
Solution Approach 1:
The center pillar is designed with differential properties: it provides solid structural support for rail fixation at certain locations while incorporating ventilation openings at other locations. This local quality variation allows the pillar to simultaneously achieve area-efficient compartment division and maintain adequate airflow between sub compartments.
Solution Approach 2:
The center pillar incorporates ventilation openings that create a porous structure, allowing air to pass through the dividing element. This porous design enables the pillar to function both as a structural divider for efficient space utilization and as a permeable barrier that maintains airflow between sub compartments.
Data Source
AI summary
A cooling device has a cabinet with at least one storage compartments for storing foodstuffs. At least two drawer doors are movable between a closed position for closing the cabinet and an open position for allowing access to the storage compartment. A center pillar extends vertically between a ceiling and a base of the storage compartment such that the drawer doors are in contact with the center pillar for sealing the storage compartment when the drawer doors are closed. A rail fixation assembly for connecting at least one rail extends between the center pillar and a rear wall. The rail fixation assembly has a pair of brackets extending from the center pillar towards the rear wall. The brackets are being spaced apart in the vertical direction, with a first bracket configured to connect to the ceiling and a second bracket configured to connect to the base.