Laundry Machine Door Assembly With Hidden Gap Cover Structure
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Solution Overview
Problem
Conventional laundry treating machine door assemblies struggle to maintain an aesthetically pleasing appearance due to visible imperfections such as dust, moisture, and scratches, which complicates the assembly process and makes it difficult to hide mechanical connections behind transparent cap elements.
Innovation Solution
A door assembly design featuring a rear frame, a front frame with a transparent cap element, and an opaque covering element that fills the gap between the cap and the front frame, along with a fastening device for secure assembly, effectively concealing imperfections and improving the aesthetic appearance by minimizing visibility of dust and scratches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a transparent cap element is used to allow viewing through the door assembly, then the aesthetic appearance is improved, but imperfections such as dust, moisture, and scratches become visible
Solution Approach 1:
The door assembly is divided into multiple segments including a transparent cap element, a covering element, and a gap-filling element. The covering element is segmented to extend over the front aperture and partially cover the closing element, while the gap-filling element is positioned in the interspace between the cap element and front frame. This segmentation allows each element to address specific aesthetic concerns independently.
Solution Approach 2:
The harmful factor of visible imperfections is extracted and isolated by introducing a covering element that specifically targets and covers the closing element and mechanical connections. The gap-filling element extracts and fills the problematic interspace, removing the source of visibility issues while preserving the transparent cap element's aesthetic benefits.
2Reliability
If mechanical connections are made visible to ensure structural integrity, then the reliability is improved, but the aesthetic appearance deteriorates due to visible connections through the transparent cap
Solution Approach 1:
The covering element acts as an intermediary that positions itself between the transparent cap element and the mechanical connections. It mediates the conflict by allowing the structural connections to remain visible for reliability while simultaneously covering them to maintain aesthetic appearance. The element is transparent or translucent to light, enabling it to fulfill both contradictory requirements.
Solution Approach 2:
The covering element applies local quality by being specifically positioned to cover only the mechanical connections and closing element where aesthetic issues arise, while leaving other areas of the transparent cap element uncovered. This localized approach preserves structural integrity in critical areas while improving appearance only where needed.
3Shape
If the covering element fully covers the closing element to improve aesthetics, then the aesthetic appearance is improved, but the complexity of the door assembly increases
Solution Approach 1:
The covering element is designed with multi-functionality to perform several roles simultaneously: it covers the closing element for aesthetic purposes, extends over the front aperture to provide additional coverage, and is positioned to work with the gap-filling element. This universality reduces the need for separate components, thereby managing complexity while achieving comprehensive aesthetic improvement.
4Ease of manufacture
If the gap between the cap element and front frame is left open to simplify assembly, then the ease of manufacture is improved, but imperfections in the gap become visible through the transparent cap
Solution Approach 1:
The gap-filling element is designed as a simple, inexpensive component that can be easily manufactured and installed. It serves as a disposable or replaceable element that specifically addresses the gap issue without requiring complex assembly modifications. Its primary function is to fill and hide the gap, and it can be independently replaced if needed, maintaining assembly simplicity while solving the aesthetic problem.
Data Source
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AI summary
The present invention relates to a door assembly (10) for a laundry treatment machine (1), adapted to open and close an opening (4) defined in a wall (2) of the laundry treatment machine (1), the door assembly (10) comprising a rear frame (5) forming a rear surface of the door assembly (10), the rear frame (5) including a radial inner edge (8a) defining a rear aperture (8), a closing element (40) connected to the rear frame (5) to close the rear aperture (8) of the rear frame (5), a front frame (6) arranged on a front side (5a) of the rear frame (5), a front supporting structure (70) having a radially inner edge (9a) defining a front aperture (9), an at least partially transparent cap element (33) overlaying a front side of the front supporting structure (70) and extending over the front aperture (9), the cap element (33) having a rear side and a front side, the latter forming the front surface of the door assembly (10), a handle provided on the front supporting structure (70) and/or the cap element (33), a covering element (60), at least partly covering the closing element (40), interposed between the rear frame (5) and the front frame (6), the covering element (60) having a shaped portion (67) extending at least partly through the front aperture (9) of the supporting structure (70) of the front frame (6) wherein the shaped portion (67) comprises an outermost front side surface (64) facing the rear side (33b) of the cap element (33), thereby forming a gap (100) between the outermost front side surface (64) of the shaped portion (67) of the covering element (60) and the rear side (33b) of the cap element (33), and at least a second surface (66) extending away from the first side surface (64) and towards the closing element (40).