Keep-Fresh Container Lid Guide Rail for Easier Front Coupling
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Solution Overview
Problem
Existing household refrigeration appliances face challenges in the ease of assembly and coupling between the cover and the operating element, leading to potential misalignment and increased complexity in the mechanical coupling process.
Innovation Solution
The design incorporates a guide track on the cover with a specific front edge contour that forms a groove, allowing for easier access and alignment of the operating element, ensuring a secure and straightforward assembly process while maintaining unrestricted guiding functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional closed guide track is used on the cover, then the mechanical coupling between cover and operating element is secure, but the assembly process becomes complex and difficult to align
Solution Approach 1:
The guide track is segmented into two distinct parts: an open front edge contour section (33) that allows easy access for assembly, and a remaining edge contour section (34) that provides structural closure for stability. This segmentation enables the operating element to be inserted from the front while maintaining secure mechanical coupling throughout the track.
Solution Approach 2:
Different sections of the guide track have different openness characteristics. The front edge contour section is open to facilitate assembly access, while the remaining edge contour section is closed to ensure mechanical stability. This local differentiation of quality allows the same guide track to serve both assembly ease and coupling reliability functions.
2Ease of operation
If the guide track is completely open at the front edge, then assembly is easier, but the guiding functionality may be compromised
Solution Approach 1:
The guide track is divided into an open front section (33) for accessibility and a closed remaining section (34) for precision guiding. The open section allows the operating element to be accessed and inserted from the front, while the closed section maintains the structural integrity needed for precise guiding functionality.
Solution Approach 2:
The guide track exhibits local quality variation where the front edge contour section provides open access for ease of operation, while the remaining edge contour section provides closed structural support for manufacturing precision and guiding accuracy.
Data Source
Figure 1
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Figure 5
AI summary
The invention relates to a household cooling device (1) comprising an inner chamber (4, 5) for receiving foodstuffs and delimited by walls of an inner container (3); a keep-fresh container (8) for foodstuffs which is arranged in said inner chamber (4, 5) and can be closed by a lid (9); a bearing device (12) with which said lid (9) for opening and closing the keep-fresh container (8) is mounted in the inner chamber (4, 5) so as to be able to be raised and lowered; and an operating element (13) with which the lid (9) can be actuated, said operating element (13) being able to be coupled to the lid (9) for this purpose, said lid (9) having, on an upper side (9c) facing the operating element (13), a guide rail (26) into which the operating element (13) can be coupled and which (26) has an edge contour (32) that comprises a front-side edge contour section (33) which forms a subsection of a front edge (9d) of the lid (9), and said front-side edge contour section (33) being formed at a lower height than a remaining edge contour section (34) which completes said edge contour (32).