Floor Brush Assembly With Vertical Motor For Compact Vacuum Layout
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Solution Overview
Problem
Conventional upright vacuum cleaners have a large motor housing and occupy significant space due to horizontally disposed motors, limiting the arrangement of other components and efficiency.
Innovation Solution
A compact floor brush assembly with a vertically disposed motor that uses a drive belt to rotate the brushroll, incorporating a dual air-suction channel system for enhanced dust suction and reduced space occupation, allowing for synchronous control of dust sweep and suction with fewer parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the motor is disposed horizontally, then the motor can drive the brushroll and fan, but the motor housing occupies large space and limits the arrangement of other parts
Solution Approach 1:
The patent inverts the conventional horizontal motor arrangement to a vertical motor configuration. The motor shaft is disposed vertically to drive the brushroll, which significantly reduces the motor housing volume and allows for more flexible arrangement of other components in the vacuum cleaner body.
Solution Approach 2:
The patent transitions from a horizontal (2D plane) motor arrangement to a vertical (3D space) configuration. By changing the spatial dimension of motor placement, the design achieves compactness while maintaining driving capability, and creates space for dual air-suction channels.
2Device complexity
If a single motor drives both brushroll and fan, then the number of parts is reduced and space is saved, but the control complexity increases
Solution Approach 1:
The single motor is designed to perform multiple functions: driving the brushroll for dust sweeping and driving the fan for dust suction. This multi-functional motor reduces the total number of motors while the control system ensures synchronous operation of both functions through coordinated control.
3Productivity
If dual air-suction channels are added, then the dust suction range is expanded, but the device complexity increases
Solution Approach 1:
The air-suction system is segmented into two separate channels: a first air-suction channel for dust suction at one side of the drive belt and a second air-suction channel for dust suction at the other side. This segmentation allows independent optimization of each channel while expanding the overall dust suction range.
Solution Approach 2:
The dual air-suction channels are merged with the single motor system, where one motor shaft drives both the brushroll and the fan that generates suction for both channels. This merging reduces the number of power sources while maintaining dual-channel suction capability.
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
The solution results in a more compact, stable, and efficient upright vacuum cleaner with improved dust suction range and operational reliability, facilitating diverse part arrangements and easier assembly/disassembly.
Implementation Method 1
a drive belt that is winded upon a motor shaft of the motor and a central part of the brushroll
Data Source
AI summary
A floor brush assembly for an upright vacuum cleaner (1) and an upright vacuum cleaner (1) with the same are disclosed. The floor brush includes a brushroll (11); a motor (22) driving the brushroll (11) to roll via a drive belt (13) that is winded upon a motor shaft (221) of the motor (22) and a central part of the brushroll (11); and a brushroll casing (12) provided outside the brushroll (11), having a dust suction port and defining a brushroll air-suction channel (122) and a drive-belt mounting chamber (123) for mounting the drive belt, in which the brushroll air-suction channel (122) comprises a first air-suction channel (1221) and a second air-suction channel (1222) located at both sides of the drive-belt mounting chamber (123).