Nonwoven Cleaning Sheet Flaps for Dirt and Garbage Pickup
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Solution Overview
Problem
Existing cleaning sheets, particularly dry type cleaning sheets, lack the ability to effectively take in small garbage, entangle large garbage, and easily remove dirt, especially when dealing with surfaces that have high friction areas.
Innovation Solution
A cleaning sheet comprising a surface sheet made of nonwoven fabric with a water retention sheet that retains a chemical solution. The surface sheet includes a cleaning region with multiple flap portions, each configured with one end, the other end, a fixed end portion connecting them, and a free end portion protruding away from the fixed end portion. These flap portions can be folded back to create openings for taking in small garbage and entangling large garbage, while also improving dirt removal by applying the chemical solution directly to dirt areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a dry type cleaning sheet with slit holes is used, then the sheet can be stretched in the direction crossing the thickness direction, but it cannot effectively take in small garbage or entangle large garbage
Solution Approach 1:
The cleaning sheet incorporates movable flap portions that can dynamically change their configuration during use. The flaps are positioned to protrude from the sheet surface and can be folded back, creating openings that adapt to different garbage sizes and types, enabling the sheet to effectively take in small garbage and entangle large garbage
Solution Approach 2:
The cleaning sheet is divided into multiple functional segments including a water retention sheet, a surface sheet, and multiple flap portions. This segmentation allows each component to perform its specific function: the water retention sheet holds cleaning solution, the surface sheet provides the cleaning interface, and the flap portions create openings for garbage collection
2Quantity of substance
If a wet type cleaning sheet with water retention sheet is used, then chemical solution can be retained, but it still lacks the ability to easily remove dirt from high friction areas
Solution Approach 1:
The cleaning sheet pre-loads chemical solution in the water retention sheet before use. When the flap portions are folded back to create openings, the chemical solution is automatically applied to the dirt areas through the openings, preparing the surface for easy dirt removal without requiring additional manual application
Solution Approach 2:
The flap portions serve as intermediaries that connect the water retention sheet and the surface sheet. When folded back, they create openings that allow the chemical solution to reach the dirt areas on the surface, facilitating the removal of dirt from high friction areas
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 cleaning sheet effectively takes in small garbage, entangles large garbage, and easily removes dirt by utilizing the flap portions to create openings and apply chemical solutions directly to dirt areas, enhancing the overall cleaning efficiency.
Implementation Method 1
a water retention sheet which retains a chemical solution
Implementation Method 2
The surface sheet is configured by a nonwoven fabric
Data Source
AI summary
A cleaning sheet has a first direction, a second direction, and a thickness direction that are orthogonal to each other. The cleaning sheet includes: a water retention sheet that retains a chemical solution; a surface sheet that is a nonwoven fabric; and a cleaning region. The surface sheet includes: a first surface on a side of a surface to be cleaned; and a second surface on a side of the water retention sheet. The surface sheet includes, in the cleaning region, a plurality of flap portions. Each of the plurality of flap portions includes: one end; another end; a fixed end portion that connects the one end and the another end; and a free end portion that protrudes from the one end and the another end as starting points toward a direction away from the fixed end portion.