Long-rod-type cleaning machine
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Solution Overview
Problem
Existing long rod cleaning machines experience swinging due to partial contact during cleaning, making it difficult to maintain stability and perform effective local cleaning.
Innovation Solution
A long rod cleaning machine with a rotator system that includes a rotation restrictor connecting the head to the rod, allowing the head to rotate relative to the rod about at least two axes, and a peripheral portion that contacts the cleaning surface before the main cleaning portion, preventing swinging and enabling local cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rotating disk is partially in contact with the cleaning target surface, then the cleaning machine can perform local cleaning, but the scrubber unit swings causing difficulty in cleaning
Solution Approach 1:
The cleaning machine is divided into functionally independent segments: the rotating disk assembly that can be selectively positioned, the telescopic handle assembly with degree of freedom, and the base unit. This segmentation allows the rotating disk to perform local cleaning while the base remains stable, resolving the contradiction between adaptability and stability.
Solution Approach 2:
The telescopic handle assembly incorporates a degree of freedom mechanism that allows dynamic adjustment of the rotating disk's position and angle. This dynamic capability enables the disk to contact the surface for local cleaning while the handle absorbs swing movements, maintaining overall machine stability.
2Stability of the object's composition
If the rotating disk is fully in contact with the cleaning target surface, then the cleaning machine is stable, but local cleaning cannot be performed
Solution Approach 1:
The telescopic handle assembly with degree of freedom provides dynamic positioning capability, allowing the rotating disk to be precisely positioned for local cleaning tasks while maintaining stable operation when fully contacted with the surface.
Solution Approach 2:
The separation of the rotating disk assembly from the main base unit allows independent positioning of the cleaning element, enabling both stable full-surface cleaning and flexible local cleaning operations.
3Device complexity
If the head is rigidly connected to the rod, then the structure is simple, but the cleaning portion cannot adapt to surface variations
Solution Approach 1:
The connection between the head and rod is made dynamic through the telescopic handle assembly with degree of freedom, allowing the cleaning portion to adapt to surface variations while maintaining relatively simple structural implementation.
4Adaptability or versatility
If the head is allowed to rotate freely about multiple axes, then the cleaning portion can adapt to surface variations, but the machine becomes difficult to control
Solution Approach 1:
The telescopic handle assembly provides controlled degrees of freedom, allowing the head to adapt to surface variations through regulated rotation while maintaining user control through ergonomic design and controlled mobility.
Solution Approach 2:
The degree of freedom mechanism allows controlled changes in rotational parameters, enabling the cleaning portion to adapt to surface variations while the user maintains control through regulated movement ranges.
Data Source
AI summary
A long rod cleaning machine having an electric motor, a tip tool including a cleaning portion, a head to which the tip tool is attachable, a rod, and a rotator between the head and the rod. The tip tool is attached in a manner movable with a driving force from the electric motor. The head includes a peripheral portion surrounding the cleaning portion and including a surface-cleaning lateral portion to be in contact with a cleaning target surface together with the cleaning portion. The rotator includes a rotation restrictor connecting the head to the rod in a manner rotatable relative to the rod about at least two axes. The rotation restrictor partially or fully restricts rotation of the head.