Dual-Surface Cleaning Head Hinge Switching for Stable Pressure
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Solution Overview
Problem
Existing floor cleaning devices with alternating flat surfaces and a hinge system face inefficiencies in pressure distribution and user effort, as well as instability during surface transitions, which affect cleaning effectiveness and ease of use.
Innovation Solution
A switching system is introduced between the cleaning head and the hinge, allowing the hinge to move between positions closer to the center of the surface in contact with the ground, enhancing pressure uniformity and stability, and simplifying surface transitions by guiding the hinge within specific planes or axes, thereby aligning the hinge axis with the surface center.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the hinge is positioned away from the center of the cleaning head, then the device structure is simpler, but the pressure distribution on the cleaning surface becomes non-uniform and user effort increases
Solution Approach 1:
The hinge is intentionally positioned asymmetrically relative to the cleaning head structure, but the switching system compensates by guiding the hinge axis to align with the center of the cleaning surface during operation, achieving symmetric pressure distribution through dynamic positioning rather than static symmetry
Solution Approach 2:
The switching system acts as an intermediary mechanism between the hinge and the cleaning head, guiding the hinge movement and ensuring the hinge axis aligns with the center of the cleaning surface, thereby mediating the relationship between structural simplicity and operational effectiveness
2Device complexity
If the hinge is positioned away from the center of the cleaning head, then the device structure is simpler, but the cleaning head stability decreases and unwanted switching occurs
Solution Approach 1:
The hinge positioning is made dynamic through the switching system, which guides the hinge between different positions to align with the center of the cleaning surface during operation, providing stability when needed while maintaining structural simplicity
Solution Approach 2:
The switching system serves as a mediator that guides the hinge movement and maintains proper alignment, preventing unwanted switching between cleaning surfaces while keeping the overall device structure simple
3Device complexity
If the hinge transitions between surfaces without guidance, then the device structure is simpler, but the transition between surfaces becomes difficult and less efficient
Solution Approach 1:
The switching system performs preliminary guidance of the hinge movement before the actual surface transition occurs, ensuring the hinge follows the correct path and aligns with the center of the cleaning surface, which facilitates smoother and more efficient transitions
Solution Approach 2:
The switching system acts as an intermediary that guides and facilitates the hinge transition between surfaces, making the switching process easier and more efficient without requiring complex mechanisms
Data Source
AI summary
Device for cleaning a surface, particularly a floor, comprising:a cleaning head comprising at least a first surface and a second surface having an angular offset relative to each other about a transverse direction,a hinge comprising a first hinge portion and a second hinge portion which are movable relative to one another in rotation about a hinge axis parallel to the transverse direction, anda switching system, interposed between the cleaning head and the hinge and adapted to move the hinge between a first position near the first surface and a second position near the second surface.