Asymmetric Dual-Mop Design to Cover Gaps from Manufacturing Errors
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Solution Overview
Problem
Existing cleaning equipment with circular double turntable structures struggle to maintain mops tangent to each other without gaps, leading to incomplete cleaning due to processing errors, where small mops leave gaps and large mops deform, resulting in uncleaned areas.
Innovation Solution
A mopping member and apparatus featuring first and second mops with specific diameter edges and rotating centers, where the distance from any point on the long-diameter edge to the rotating center is greater than half of the rotating center distance, and from any point on the short-diameter edge is less than half, allowing a gap to form between the mops that can be covered during rotation, improving cleaning efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If two circular mops are used in a double turntable structure, then the cleaning equipment can rotate to clean the floor surface, but processing errors cause gaps between the mops that prevent complete cleaning coverage
Solution Approach 1:
The patent changes the symmetric circular shape of the mops to an asymmetric design where one mop has a larger diameter than the other. This asymmetric configuration ensures that the mops can overlap and cover the gap between them during rotation, compensating for manufacturing errors and ensuring complete cleaning coverage without requiring precise tangency alignment.
2Area of stationary object
If two large circular mops are used, then the cleaning area is increased, but the mops squeeze and deform each other creating gaps that reduce cleaning effectiveness
Solution Approach 1:
By using mops of different diameters rather than two identical large mops, the asymmetric design prevents the mops from squeezing and deforming each other. The size difference allows one mop to slightly overlap the other during rotation, maintaining shape stability while still covering the entire cleaning area including the gap region.
Data Source
AI summary
Disclosed relates to a mopping member, a mopping apparatus, a cleaning robot, and a control method for the cleaning robot. The mopping member includes a first mop and a second mop; the first mop is provided with a first rotating center, the second mop is provided with a second rotating center, and the distance between the first rotating center and the second rotating center is a rotating center distance. When the first mop and the second mop rotate, a short-diameter edge of one mop corresponds to a long-diameter edge of the other mop; at a connection line position of the first rotating center and the second rotating center, a gap between the first mop and the second mop is formed between the short-diameter edge of one mop and the corresponding long-diameter edge of the other mop.