Dust Cup Bottom-Access Filter Replacement for Handheld Vacuum Motors
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Solution Overview
Problem
In handheld vacuum cleaners, residual dust often enters the motor due to insufficient space for a front filter sponge, affecting motor performance and life, and requiring users to disassemble the dust cup for filter replacement.
Innovation Solution
A design where the inlet filter sponge component can be directly withdrawn from the bottom of the dust cup, with a rubber ring for sealing and positioning, allowing for easy replacement and cleaning without disassembling the dust cup, ensuring motor performance and user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the motor is arranged above the dust cup filter, then the product volume is compressed to the maximum extent, but there is insufficient room to hold the front filter sponge of the motor
Solution Approach 1:
The filter system is segmented into multiple components: a dust cup filter at the bottom and a front filter sponge at the motor air inlet. This segmentation allows each filter to perform specific filtering functions at different locations, ensuring both compact design and adequate motor protection.
Solution Approach 2:
A front filter sponge is introduced as an intermediary component between the dust collection system and the motor air inlet. This intermediary filter sponge captures residual dust that passes through the dust cup filter, preventing it from entering the motor and causing damage.
2Reliability
If the front filter sponge is held between the motor and the dust cup filter, then the motor is protected from residual dust, but the product volume cannot be compressed to the maximum extent
Solution Approach 1:
The front filter sponge is positioned at the motor air inlet, utilizing the dimensional space around the motor rather than solely the vertical space between the motor and dust cup filter. This dimensional adjustment allows for effective motor protection while maintaining compact product volume.
3Reliability
If the inlet filter sponge component is fixed inside the dust cup, then the filtering effect is improved, but the user needs to disassemble the dust cup for filter replacement
Solution Approach 1:
The inlet filter sponge component is segmented as a separate, independently removable unit from the dust cup. This segmentation allows users to remove and replace the filter sponge without disassembling the entire dust cup, improving maintenance convenience while maintaining effective filtering.
Solution Approach 2:
The inlet filter sponge component is designed with dynamic accessibility - it can be easily inserted and removed through the dust cup opening. This dynamic design enables flexible maintenance operations without requiring permanent fixation or complex disassembly procedures.
4Ease of operation
If the inlet filter sponge component can be directly removed from the bottom of the dust cup, then the user convenience is improved, but the sealing and positioning difficulty increases
Solution Approach 1:
A rubber ring is introduced as an intermediary component between the inlet filter sponge component and the dust cup opening. This rubber ring provides both sealing and positioning functions, enabling easy removal and installation while maintaining effective sealing and proper alignment.
Solution Approach 2:
A rubber ring with flexible material properties is used to provide sealing and positioning functions. The flexibility of the rubber ring allows it to deform during insertion and removal operations, facilitating user convenience, while maintaining effective sealing when in place.
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
This design effectively filters air entering the motor, prevents secondary pollution, and enhances user convenience by allowing filter replacement without disassembling the dust cup, thus improving motor performance and usability.
Implementation Method 1
A cyclone filter is provided within the dust cup
Implementation Method 2
An inlet filter sponge component and an inlet strainer component around the periphery of the inlet filter sponge component are arranged within the cyclone filter
Implementation Method 3
a rubber ring for sealing and positioning at an inner edge of the opening is provided at the bottom of the inlet filter sponge component
Data Source
AI summary
Provided are a dust cup and a handheld vacuum cleaner, which includes a cyclone filter is provided within the dust cup; a filter component is arranged within the cyclone filter; a dust cup base cover is provided at the bottom of the dust cup; an opening is provided on the dust cup base cover; and the filter component is capable of being directly mounted or removed at the bottom of a dust cup via the opening.