Washing Machine Protective Cover with Snap-Fit Claws for Fast Mounting
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Solution Overview
Problem
The existing methods for mounting protective covers on washing machines are time-consuming and difficult due to the requirement of screwing the cover under the front panel, which complicates the process and increases installation time.
Innovation Solution
The use of a protective cover with claws and a top cover having housings for direct engagement, along with centering holes and ribs, allows for secure alignment and attachment without screws, utilizing extensions and barriers to prevent displacement during vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the protective cover is mounted by being screwed under the front panel, then the protective cover provides secure protection against fire, water and dust, but the mounting process becomes time-consuming and difficult
Solution Approach 1:
The protective cover is divided into multiple components: the cover body, claws for engagement, centering hole for alignment, and extensions for securing. This segmentation allows each part to perform its specific function efficiently, enabling quick installation while maintaining secure protection.
Solution Approach 2:
Claws are introduced as intermediary elements between the protective cover and the top panel. These claws engage with corresponding housings to provide secure mounting without requiring screws, thus reducing installation time while maintaining reliability.
2Reliability
If the protective cover is mounted by being screwed under the front panel, then the protective cover is securely fixed, but the mounting process becomes complex and difficult
Solution Approach 1:
The screw fastening mechanism is extracted and replaced with a simpler claw-housing engagement system. This eliminates the need for additional fastening components and complex screwing operations, reducing mounting complexity while maintaining secure fixation.
Solution Approach 2:
The protective cover is designed to be self-aligning and self-securing through the centering hole and claw-housing engagement mechanism. The cover automatically positions itself during installation and secures without requiring complex alignment procedures or additional tools.
3Productivity
If the protective cover is mounted directly to the top panel without screws, then the mounting process becomes faster and easier, but the connection may be less secure
Solution Approach 1:
The claws are designed with curved engagement surfaces that mate with corresponding housings. This curved geometry provides a snap-fit connection that is both quick to install and secure, combining the speed of direct mounting with the reliability of mechanical interlocking.
Solution Approach 2:
The protective cover system combines multiple functional elements (claws, centering hole, extensions) into a single integrated component made from fireproof material. This composite design ensures that the quick-mount mechanism maintains the same level of protection and connection security as traditional screwed installations.
4Ease of operation
If the protective cover is mounted without centering alignment, then the mounting process becomes simpler, but the protective cover may not be properly aligned with the control card
Solution Approach 1:
The centering hole in the protective cover automatically aligns with the post on the top panel during installation. This self-aligning mechanism ensures precise positioning of the cover over the control card without requiring manual alignment procedures or specialized tools, maintaining both simplicity and precision.
Data Source
Figure 1
Figure 2
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AI summary
The present invention relates to a washing machine (1) comprising a body (2); a top panel (4) which covers the body (2); a control card (3) which is positioned between the top panel (4) and the body (3) and which controls the washing programs; and a protective cover (5) which protects the control card (3) against external factors such as fire, water and dust.