Surface cleaning head and surface cleaning device
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Solution Overview
Problem
Conventional surface cleaning apparatuses struggle to effectively clean edge surfaces near walls and floors due to the design of the cleaning roller being surrounded by a housing, requiring a second, laborious cleaning process.
Innovation Solution
A surface cleaning apparatus with a surface cleaning head featuring a brush assembly that includes a cleaning roller and a side brush mechanically coupled to rotate together, allowing the side brush to reach and clean edge surfaces without additional drive components, integrated into a housing with a suction pathway and liquid delivery system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the cleaning roller is surrounded by a housing, then the cleaning head structure is simple and protected, but the cleaning roller cannot contact the edge surfaces of the wall or where the wall meets the floor
Solution Approach 1:
The brush assembly is divided into separate functional components: a cleaning roller for general surface cleaning and a side brush for edge surface cleaning. This segmentation allows each component to perform its specific function effectively while maintaining a relatively simple overall structure.
Solution Approach 2:
The side brush is positioned laterally outward from the cleaning roller, extending beyond the housing boundary in the lateral dimension. This dimensional extension enables the side brush to reach edge surfaces that the cleaning roller cannot access, thereby expanding cleaning coverage without significantly complicating the housing structure.
2Adaptability or versatility
If a side brush is added to clean edge surfaces, then cleaning coverage is improved, but the device complexity increases
Solution Approach 1:
The side brush is mechanically coupled to the cleaning roller through a shared rotating connection. Both brushes rotate together around a common transverse axis, merging their drive mechanisms into a single integrated system. This eliminates the need for separate drive components for the side brush, reducing overall device complexity while maintaining enhanced cleaning coverage.
Solution Approach 2:
The cleaning roller serves dual functions: it cleans general surfaces and simultaneously drives the side brush to clean edge surfaces. This multi-functionality allows one component (the cleaning roller) to perform multiple tasks, reducing the need for additional independent drive mechanisms and keeping the brush assembly structure relatively simple.
3Ease of operation
If additional drive components are added for the side brush, then the side brush can be independently controlled, but the structure becomes complex
Solution Approach 1:
The side brush is passively driven by the rotation of the cleaning roller through their mechanical coupling. The cleaning roller's rotation automatically drives the side brush without requiring an independent drive mechanism. This self-service approach eliminates complex additional drive components while ensuring the side brush rotates in coordination with the cleaning roller.
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 simultaneous cleaning of edge surfaces during the primary cleaning process, reducing the need for a second pass and saving time and effort, while maintaining a simple and efficient cleaning head structure.
Implementation Method 1
a suction source and a recovery tank connected to each other through a suction pathway
Implementation Method 2
the cleaning roller driven by a drive device to rotate around a transverse axis, wherein the side brush is mechanically coupled to the cleaning roller to follow the cleaning roller around the transverse axis
Data Source
AI summary
The present application provides a surface cleaning apparatus and a surface cleaning head, the surface cleaning head comprising: a housing; a brush chamber disposed in a front portion of the housing and having a lower opening and a side opening; and a brush assembly removably mounted in the brush chamber comprising a connecting wall, a cleaning roller, and a side brush, the cleaning roller being configured to rotate around a transverse axis driven by a drive device, and the side brush mechanically coupled to the cleaning roller for following the roller in rotation around the transverse axis.