cleaner
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Solution Overview
Problem
Existing cleaners face challenges in efficiently guiding and collecting foreign substances, such as hair and threads, which can become entangled around the drum, leading to reduced suction efficiency and maintenance difficulties.
Innovation Solution
A cleaner design featuring a drum with tapered portions and a collecting portion, along with obliquely positioned brush members that guide foreign substances to the center, utilizing a coupling portion and partitioning the collecting area to enhance the collection efficiency and ease of maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If foreign substances are scattered by drum rotation, then cleaning efficiency is improved, but foreign substances become entangled around the drum reducing suction efficiency
Solution Approach 1:
The drum body is segmented into multiple functional zones along its longitudinal axis: a first tapered portion for guiding foreign substances inward, a collecting portion at the center for accumulation, and a second tapered portion for guiding substances from both ends toward the center. This segmentation allows the drum to simultaneously perform scattering and collection functions without mutual interference.
Solution Approach 2:
The tapered portions act as intermediary structures that guide foreign substances from the outer regions where scattering occurs toward the central collecting portion. This intermediary mechanism prevents direct entanglement around the drum by providing a controlled path for substance movement.
2Productivity
If brush members are positioned to guide foreign substances to the center, then collection efficiency is improved, but structural complexity increases
Solution Approach 1:
The brush members are integrated directly into the tapered portions of the drum body, merging the guiding function with the structural form. This eliminates the need for separate guiding mechanisms and reduces overall structural complexity while maintaining effective foreign substance guidance.
Solution Approach 2:
The tapered portions serve multiple functions: they guide foreign substances inward, provide structural support for brush members, and facilitate the collection process. This multi-functionality reduces the need for additional components.
3Ease of repair
If foreign substances are collected at the center of the drum, then maintenance is simplified, but the drum design becomes more complex
Solution Approach 1:
The collecting portion is designed as a distinct, extractable component at the center of the drum, allowing foreign substances to be easily removed during maintenance without disassembling the entire drum structure. This extraction capability simplifies maintenance operations.
Solution Approach 2:
The tapered portions are pre-designed to guide foreign substances to the central collecting portion during normal operation, preparing the collection area in advance for easy maintenance access. This preliminary guidance action reduces the effort required during maintenance.
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 design effectively directs foreign substances to the center of the drum, improving suction efficiency and simplifying the removal of entangled materials, thus enhancing the overall cleaning performance and maintenance of the cleaner.
Implementation Method 1
foreign substances, such as scattered dust or hair, are drawn into the suction port by a suction force generated inside the cleaner body
Implementation Method 2
As the drum rotates, foreign substances, such as hair, animal hair, and thread, among the foreign substances drawn through the suction port may be caught between a plurality of brushes and wound around the drum
Data Source
AI summary
A cleaner including a cleaner body; and a rotatable drum, the drum including a drum body including a first tapered portion having a diameter decreasing from a first end of the drum body, a second tapered portion having a diameter that decreasing from a second end of the drum body, and a collecting portion at a position where the diameter of the first and second tapered portions are smallest, and a brush member extending between the first and second ends of, and protruding outwardly from, the drum body, wherein the drum is configured so that a distance from the longitudinal axis of the drum to an end tip of the brush member is maintained across the first and second tapered portions and the collecting portion, and rotation of the drum guides intake of foreign substances into the cleaner body, and foreign substances wound about the drum toward the collecting portion.