Mop Disc Locking Structure for Switching Between Wringing and Rotation

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Solution Overview

Problem

Existing mop dewatering devices require users to manually operate a pedal, leading to inconvenient and potentially unsafe wringing processes, as they need to balance and risk falling while rotating the mop head 360 degrees for effective cleaning.

Innovation Solution

A disc rotating and positioning structure that fixes the mop head with the mop rod, allowing it to rotate 360 degrees automatically during mopping and be driven by the mop rod during the dewatering process, eliminating the need for additional tools and enhancing user safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a pedal-driven gear mechanism is used to rotate the dewatering tank, then the dewatering function is achieved, but the device complexity increases and user safety decreases

Engineering Contradiction:
Improveuser safetyVSAvoiddewatering device structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent removes the complex pedal-driven gear mechanism from the dewatering device. Instead, it uses a simple rotating mop rod that directly drives the mop head to rotate 360 degrees for dewatering, eliminating unnecessary transmission components and reducing device complexity while improving user safety

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The mop rod serves dual functions: it acts as both the handling tool for the user and the driving mechanism for dewatering. When the user rotates the mop rod, the mop head automatically rotates with it due to the positioning structure, eliminating the need for separate driving mechanisms

Inventive Principle:
Principle #25Self-service

2Ease of operation

If the mop head is fixed with the mop rod for automatic dewatering, then the ease of operation improves, but the ability to rotate 360 degrees for cleaning may be restricted

Engineering Contradiction:
Improvedewatering operationVSAvoidmop head rotation capability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The positioning structure employs a dynamic locking mechanism that adapts to different operational states. During dewatering, the structure locks the mop head to the mop rod for automatic rotation. During cleaning, the structure allows the mop head to rotate 360 degrees relative to the mop rod, providing versatility while maintaining ease of operation

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the positional parameter between the mop head and mop rod dynamically. The positioning structure allows the mop head to switch between a fixed state (for dewatering) and a freely rotatable state (for cleaning), adapting to different operational requirements without compromising either function

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS8112840B2Disc rotating and positioning structure of a mop
Publication Date: 2012.02.14 TUO SHEN INT
  • US8112840B2 patent drawing
  • US8112840B2 patent drawing
  • US8112840B2 patent drawing

AI summary

A disc rotating and positioning structure of a mop including a mop head, a mop rod, a pivotal base, a positioning device, a locking device and a bolt. When the mop is dewatered, the mop rod is in an erect position, such that a semicircular cam of the bolt faces upward to drive the locking device to press the disc upward and into a locked and linking status, and when the mop is used for mopping, the mop rod is in an inclined position to drive the semicircular cam of the bolt to shift to a side, such that the locking device is in a non-pressing status with respect to the disc, and a force is applied to rotate the mop head when the mop is used for mopping a floor. Therefore, the present invention can provide a convenient operation and a user-friendly application.