Mop Wringing Frame for Even Pressure on Folding Plate Wings
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Solution Overview
Problem
Existing floor wipers with pressing devices suffer from inadequate liquid squeezing due to flexible components, bulky and heavy designs with rigid arms, complex structures, and high manufacturing costs, as well as uneven force distribution and contamination issues.
Innovation Solution
A wiper design featuring a closed frame that retracts wiper plate wings, allowing for a compact and inexpensive construction capable of transmitting greater forces, with a frame that self-aligns and provides even pressure, eliminating the need for guide elements and leveraging a rotational mechanism to prevent jamming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If flexible pressing elements are used in the pressing device, then the structure remains compact and inexpensive, but the squeezing result becomes inadequate
Solution Approach 1:
The pressing device utilizes the natural elasticity and flexibility of the spring arms to adapt to the position of the wiper plate wings during the squeezing process. The spring arms dynamically adjust their curvature and contact points to maintain effective pressing force throughout the motion, resolving the contradiction between structural simplicity and squeezing effectiveness.
Solution Approach 2:
The design changes the physical parameters of the spring arms by optimizing their thickness, material properties, and geometric configuration. This allows the flexible arms to transmit sufficient pressing force despite their flexible nature, achieving both compact construction and adequate squeezing result.
2Productivity
If rigid squeezing arms are used to improve squeezing result, then higher force can be exerted on the wiping plates, but the wiper becomes bulky, heavy and difficult to handle
Solution Approach 1:
The invention replaces rigid squeezing arms with flexible spring arms that have optimized mechanical properties. These flexible arms provide sufficient pressing force through elastic deformation rather than rigid structure, making the wiper compact and easy to handle while maintaining effective squeezing capability.
3Productivity
If rigid squeezing arms are used to improve squeezing result, then higher force can be exerted on the wiping plates, but the manufacturing costs increase significantly
Solution Approach 1:
The spring arms are designed with optimized thickness and material selection to achieve the required pressing force through elastic deformation. This flexible arm design is significantly cheaper to manufacture than rigid arms while providing adequate squeezing performance.
Solution Approach 2:
By optimizing the geometric parameters and material properties of the spring arms, the design achieves cost-effective manufacturing while maintaining sufficient pressing capability for effective squeezing.
4Force
If complex lever mechanisms are used to press wiper plate wings, then pressing force can be applied, but the structure becomes complicated and expensive
Solution Approach 1:
The invention extracts and eliminates the complex lever mechanism from the pressing device, replacing it with a simplified spring arm structure that directly applies pressing force to the wiper plate wings, reducing structural complexity while maintaining pressing capability.
Solution Approach 2:
The spring arms serve multiple functions: they provide pressing force, accommodate positional variations of the wiper plate wings, and guide the squeezing motion, replacing the need for separate levers and guide elements.
5Manufacturing precision
If pressing elements with guide means are used, then wiper plate blades can be pressed evenly, but the press bell becomes complex and expensive to produce
Solution Approach 1:
The spring arms provide self-aligning capability through their flexible nature, automatically adapting to the position of the wiper plate wings during insertion and squeezing. This eliminates the need for complex guide means and press bell structures, achieving even force distribution through the natural elastic deformation of the spring arms.
Data Source
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AI summary
In the case of a mop (1), which may be configured in particular as a floor mop and is equipped with a handle (2) and with a pressure-exerting device (3), which can be displaced along the handle and by means of which two pivotably mounted mopping-plate wings (4) can be pressed against one another, provision is made for the pressure-exerting device (3) to have a closed frame (8) which engages around the mopping-plate wings folded against one another in the wringing-out position.