Laundry-care appliance comprising a closing device
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Solution Overview
Problem
Conventional laundry care appliances require a separate transport safety element to be introduced and removed, which complicates the assembly and disassembly process and may lead to leakage during transport and operation.
Innovation Solution
A laundry care appliance with a liquid collection container featuring a closure device comprising movably mounted, elastically deformable closure elements that can be sealed fluid-tight, allowing the transport safety element to be inserted without disassembly, ensuring the container remains sealed during transport and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a transport safety element is introduced into the liquid collection container before transport, then the risk of damage during transport is reduced, but the closure device must be disassembled and reassembled which increases assembly effort
Solution Approach 1:
The closure device incorporates movably mounted closure elements that can dynamically change position between a closed position (sealing the opening) and a release position (allowing access). This dynamic mechanism eliminates the need for complete disassembly during transport safety element insertion, reducing assembly effort while maintaining reliability.
Solution Approach 2:
The closure device is divided into multiple independent closure elements that can move separately. This segmentation allows the opening to be accessed for transport safety element insertion without requiring removal of the entire closure device, thereby reducing assembly effort while ensuring damage protection during transport.
2Ease of operation
If the closure device is removed before transport, then access is provided for transport safety element insertion, but fluid-tight sealing is compromised during operation
Solution Approach 1:
The closure elements are designed to be movable rather than fixed, allowing them to transition between sealing the opening during operation and moving aside to provide access during transport. This dynamic behavior maintains fluid-tight sealing during normal operation while enabling easy access when needed for transport preparation.
Solution Approach 2:
The movably mounted closure elements act as intermediaries between the sealed interior and the exterior opening. They can maintain the seal during operation but move to allow intermediate access for inserting the transport safety element, thus mediating between the conflicting requirements of sealing and accessibility.
3Device complexity
If conventional closure devices are used, then simple structure is maintained, but they cannot provide both transport access and operational sealing
Solution Approach 1:
The closure device is designed to perform multiple functions: it provides fluid-tight sealing during normal operation and enables access for transport safety element insertion during transport preparation. The movably mounted closure elements allow the same device to adapt to different operational states, achieving multi-functionality without excessive complexity.
Solution Approach 2:
By making the closure elements movable rather than fixed, the device gains adaptability to serve different purposes in different contexts. The same closure device structure can dynamically adjust to provide either sealing or access, achieving versatility while maintaining relatively simple construction.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces assembly effort and prevents liquid leakage during operation by maintaining a fluid-tight seal without the need to remove and reattach the closure device, ensuring effective containment of washing liquid.
Implementation Method 1
the movably mounted closure elements being designed as elastically deformable closure elements
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
The invention relates to a laundry-care appliance (100) comprising a liquid-collecting container (119) for collecting washing liquid, the liquid-collecting container (19) having an opening (121) that connects an inner region (123) of the liquid-collecting container (119) to an outer region (125) of the liquid-collecting container (119). The laundry-care appliance (100) comprises a closing device (129) which is arranged in the inner region (123) of the liquid collection container (119), on the opening (121), said closing device (129) comprising a plurality of movably mounted closing elements (127), said movably mounted closing elements (127) being designed in such a way as to close the opening (121) in a fluid-tight manner in a closing position and to release the opening (121) in a release position.