Elastic Dusting Head Structure for Curved Surface Cleaning
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Solution Overview
Problem
Existing dusting tools with rigid bar designs are ineffective for cleaning curved and high-lying surfaces due to their inability to conform to uneven surfaces and difficulty in reaching edge areas.
Innovation Solution
The dusting tool features two elastic bars connected by spacers that allow for force transfer and deflection, enabling bow-like curvature for improved surface contact, along with an actuating device for adjustable length and a hinged connection using film hinges for enhanced mobility and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If rigid bars are used in the dusting tool, then structural stability is improved, but the ability to clean curved and uneven surfaces deteriorates
Solution Approach 1:
The bars are designed to be elastically deformable rather than rigid, allowing them to dynamically adapt their shape to conform to curved and uneven surfaces while maintaining structural integrity through controlled elasticity. The bars can bend and flex to match surface contours, resolving the contradiction between stability and adaptability.
Solution Approach 2:
The mechanical properties of the bars are changed by selecting materials and designs that provide appropriate elastic characteristics. By controlling the elasticity parameters of the bars, the system achieves both structural stability for support and flexibility for adapting to various surface geometries, eliminating the need to choose between rigid stability and curved surface adaptability.
2Ease of operation
If a pole is attached to reach higher-lying surfaces, then accessibility to high surfaces is improved, but the ability to clean edge areas and curved surfaces deteriorates
Solution Approach 1:
The elastically deformable bars enable the dusting tool to dynamically adjust its shape when extended on a pole, allowing the cleaning head to conform to curved surfaces and reach edge areas even at heights, maintaining adaptability while improving accessibility through pole attachment.
3Adaptability or versatility
If elastic bars with spacers are used, then the ability to clean uneven surfaces is improved, but device complexity increases
Solution Approach 1:
The bar structure is segmented into multiple sections connected by spacers, allowing each segment to independently deform and adapt to surface contours. This segmentation enables complex adaptability to uneven surfaces while keeping individual components simple and manageable, reducing overall structural complexity.
Solution Approach 2:
The spacers act as flexible connectors between bar segments, providing the necessary flexibility for adapting to uneven surfaces while maintaining a relatively simple structural design. The spacer elements enable elastic deformation and shape adaptation without requiring complex mechanical mechanisms.
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
This design allows for superior cleaning efficiency on uneven and hard-to-reach surfaces, improving accessibility and cleaning effectiveness while maintaining stability and ease of production.
Implementation Method 1
the two bars are designed to be elastic, and the spacers are designed to be pressure- and/or tension-resistant so as to be able to transfer forces from one of the bars to the respective other bar
Data Source
AI summary
A dusting tool (1) with a handle (2) to which two bars (3, 4) are attached at a certain distance from each other, with the free ends (5, 6) of said bars (3, 4) being connected to each other and with a number of spacers (7) being disposed between said bars (3, 4).