Refrigerator Door Basket Assembly With Bidirectional Access
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Solution Overview
Problem
Conventional refrigerator door baskets are limited to forward movement only, making it inconvenient to access or store food at the rear of the door, requiring the rear door to be opened.
Innovation Solution
The refrigerator door basket is designed to be bidirectionally drawn out, allowing access and storage at both the front and rear of the internal door, with a dual-door system where the second door can be opened independently to facilitate forward or rearward basket movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the door basket is designed to move only forward, then the structure is simple, but the accessibility to food at the rear of the door is poor
Solution Approach 1:
The basket movement mechanism is designed to be dynamic rather than fixed, allowing the basket to move in multiple directions (forward and backward) based on operational needs. The guide rails and support structures enable flexible bidirectional movement, transforming the static single-direction mechanism into a dynamic multi-directional system that adapts to different access requirements.
Solution Approach 2:
The door assembly is segmented into multiple functional components: the door body, the basket, the guide rails, and the support structures. This segmentation allows the basket to be independently movable while the door remains stable, enabling complex bidirectional movement functionality without requiring the entire door structure to be redesigned.
2Ease of operation
If the rear door must be opened to access food in the basket, then the basket structure is simple, but the convenience of use is reduced
Solution Approach 1:
The basket is positioned and configured in advance within the door structure, with guide rails and support mechanisms pre-installed. This preliminary arrangement allows the basket to be easily accessible through simple forward and backward movements without requiring the user to perform the complex action of opening the rear door, thus saving time and improving convenience.
Solution Approach 2:
The bidirectional basket mechanism acts as an intermediary between the user and the food storage space. Instead of requiring direct access through opening the rear door, the user interacts with the basket through the door's front side, and the basket mechanism mediates the access by moving the basket forward or backward to present food items for retrieval or storage.
3Adaptability or versatility
If the basket can move bidirectionally, then the accessibility and convenience are improved, but the structural complexity increases
Solution Approach 1:
The door assembly structure is designed with multi-functionality in mind. The guide rails and support structures serve multiple purposes: they guide the basket's bidirectional movement, provide structural support for the door, and enable both forward and backward accessibility. This universal design allows a single structural framework to handle multiple functions without requiring separate mechanisms for each direction of movement.
Solution Approach 2:
The guide rails, support structures, and basket movement mechanisms are merged into an integrated assembly rather than being separate components. This merging reduces the overall structural complexity by consolidating multiple functions into a unified design, where the same structural elements facilitate both forward and backward basket movement while maintaining door integrity.
Data Source
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AI summary
The invention provides a refrigerator, comprising a cabinet (10) configured to form a storage space (10a); a first door (211) coupled to a front surface of the cabinet (10) to selectively open and close the storage space (10a), and having an opening (212a) formed therein; a case(41) provided at a rear surface of the first door (211) and configured to form an accommodation space (213) therein; a second door (212) coupled to a front surface of the first door (211) and configured to selectively open and close the opening (212a) of the first door (211); a first hinge (231) configured to rotatably couple the first door (211) to the cabinet (10); a second hinge (232) configured to rotatably couple the second door (212) to the first door (211); and a basket assembly slidably coupled to the first door (211) in a front-to-rear direction of the first door (211).