Mop self-lifting cleaning tool

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Solution Overview

Problem

Existing mop bucket systems require manual effort to switch between cleaning and dewatering states, which is cumbersome and time-consuming, as they necessitate stopping the mop head rotation and manually pulling the mop to change positions.

Innovation Solution

A self-lifting mop system with a mop head featuring a fixed and lifting plate, where the lifting plate is elevated by centrifugal force-driven movement, allowing seamless switching between cleaning and dewatering positions without manual intervention, utilizing a drive member and guide groove for automatic positioning and an elastic member for resetting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual lifting device is used to switch between cleaning and dewatering states, then the mop can be positioned at high and low positions, but the operation becomes cumbersome and time-consuming

Engineering Contradiction:
Improveease of operationVSAvoidtime consumption
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The mop head automatically lifts itself during rotation without manual intervention. The lifting plate is elevated by centrifugal force-driven movement when the mop head rotates, enabling seamless switching between cleaning and dewatering positions without manual lifting action.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system transitions from static manual positioning to dynamic automatic positioning. The lifting plate moves automatically during rotation, with the gap between lifting plate and fixed plate changing dynamically as the drive member moves toward the periphery under centrifugal force, elevating the lifting plate to high position automatically.

Inventive Principle:
Principle #15Dynamics

2Productivity

If the mop head must stop rotating to switch positions, then manual lifting can be performed, but continuous cleaning operation is interrupted

Engineering Contradiction:
Improvecleaning efficiencyVSAvoidoperational continuity
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The mop head maintains continuous rotation throughout the position switching process. The automatic lifting mechanism operates during rotation without requiring the mop head to stop, ensuring continuous cleaning action and eliminating interruptions in the cleaning process.

Inventive Principle:
Principle #20Continuity of useful action

3Extent of automation

If automatic centrifugal force-driven lifting is implemented, then manual lifting is eliminated, but the device structure becomes more complex

Engineering Contradiction:
Improveautomation levelVSAvoiddevice complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The lifting function is extracted from manual operation and integrated into the rotating mop head structure. The lifting plate, drive member, and guide groove are incorporated directly into the mop head assembly, eliminating the need for separate manual lifting mechanisms in the mop bucket.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The lifting motion is achieved through radial movement of the drive member within the gap between the lifting plate and fixed plate. The guide groove converts rotational motion into radial and axial movements, utilizing the three-dimensional space within the mop head structure to achieve automatic lifting without adding external complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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

Enables efficient and labor-saving operation by automatically adjusting the mop head's position for cleaning and dewatering, eliminating the need for manual lifting and allowing continuous rotation for effective cleaning and dewatering without interrupting the process.

Implementation Method 1

when the mop head rotates, the drive member is configured to move toward the periphery under an action of a centrifugal force and drive the gap to increase so as to elevate the lifting plate to a high position

Methodology Applied
Scientific EffectCentrifugal force: Centrifugal Force

Implementation Method 2

an elastic member is provided between the fixed plate and the lifting plate, and the elastic member drives the gap to be small to make the lifting plate at the low position

Methodology Applied
Scientific EffectElastic force: Elasticity

Data Source

PatentUS11832776B2Mop self-lifting cleaning tool
Publication Date: 2023.12.05 HEBEI JIESHIBAO DAILY PLASTIC PROD CO LTD
  • US11832776B2 patent drawing
  • US11832776B2 patent drawing
  • US11832776B2 patent drawing

AI summary

A mop self-lifting cleaning tool includes a mop and a mop bucket. The mop head of the mop includes a fixed plate and a lifting plate. The fixed plate is connected to the mop rod. The lifting plate is connected to the fixed plate. A gap is provided between the lifting plate and the fixed plate, where the gap is increasingly smaller from the center of the lifting plate to the periphery of the lifting plate. A drive member is located in the gap. When the drive member is located at an end with a larger space of the gap, the lifting plate is located at a low position; and when the mop head rotates, the drive member is configured to move toward the periphery under an action of a centrifugal force and drive the gap to increase so as to elevate the lifting plate to a high position.