Vacuum Cleaner Filter Assembly Removal Using Crevice Tool Interlock
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Solution Overview
Problem
Existing handheld cleaners face issues with maintaining cleaning performance due to dust and foreign material accumulation on the grill part, which requires manual handling and poses hygiene risks when attempting to clean.
Innovation Solution
A cleaner design incorporating a crevice tool that allows for the detachment and reassembly of the filter assembly without direct hand contact, using locking ribs and protrusions to facilitate safe removal and cleaning of accumulated dust and foreign materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the grill part is manually handled for cleaning, then cleaning performance can be maintained, but hygiene risks occur due to direct contact with dust and foreign materials
Solution Approach 1:
The crevice tool serves as an intermediary device between the user and the filter assembly. The tool includes a locking rib that engages with protrusions on the filter assembly, allowing the user to detach and reattach the filter without direct hand contact. This mediator transfers the cleaning function while eliminating the hygiene risk of direct contact with accumulated dust and foreign materials.
2Reliability
If the filter assembly is detached for cleaning, then accumulated dust can be removed, but the cleaning process becomes more complex requiring tool manipulation
Solution Approach 1:
The filter assembly is designed with self-service capabilities through its interaction with the crevice tool. The locking rib and protrusion mechanism allows the filter assembly to be easily detached and reattached without requiring complex tools or procedures. The design enables the user to perform maintenance independently by simply inserting and rotating the crevice tool, reducing the overall complexity of the cleaning process.
Data Source
AI summary
A vacuum cleaner includes: a dust canister; a cover rotatably coupled to the dust canister; a filter assembly mounted inside the dust canister and configured to be exposed by an opening of the cover; and a crevice tool coupling to an air entrance of the dust canister or an extension pipe connected to the air entrance. The filter assembly includes an opening portion opened toward the cover, and a protrusion portion protruding from an inner circumferential surface of the opening portion. The crevice tool includes a catching rib caught on the protrusion portion according to insertion and rotation of the crevice tool in the opening portion. The filter assembly is configured to withdraw from the dust canister together with the crevice tool based on withdrawing of the crevice tool to the outside of the dust canister in a state in which the catching rib is caught on the protrusion portion.