Dust Collector Lid Alignment for Easy Vacuum Cleaner Attachment
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Solution Overview
Problem
The existing upright type vacuum cleaners face issues with the detachable dust collector, where the protrusion of the knob is not easily inserted into the fixing groove if the cylindrical top lid is not assembled exactly, leading to difficulties in attaching and detaching the dust collector.
Innovation Solution
The vacuum cleaner design includes a guiding member, such as an inserting groove on the top lid, which ensures the fixing groove is positioned at a predetermined location when the top lid is assembled, facilitating easy attachment and detachment of the dust collector using a fixing device with a protrusion and hook mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the detachable dust collector uses a simple hook and groove fixing mechanism, then the device complexity is reduced, but the ease of operation deteriorates because the protrusion cannot be easily inserted if the top lid is not assembled exactly
Solution Approach 1:
The guiding member (inserting groove) is pre-formed on the top lid to automatically guide the protrusion into the correct position during assembly. This preliminary structural arrangement ensures that even if the top lid is not initially assembled exactly, the guiding member directs the protrusion into the fixing groove, making the attachment process easy without adding complex mechanisms.
2Ease of operation
If the dust collector is made detachable for easy emptying, then the ease of operation is improved, but the reliability deteriorates because the dust collector may not be securely fixed when improperly assembled
Solution Approach 1:
The guiding member acts as an intermediary element between the top lid and the protrusion. It mediates the assembly process by providing a physical path (inserting groove) that guides the protrusion into the correct position, ensuring reliable engagement with the fixing groove while maintaining the simplicity and detachability of the dust collector.
3Reliability
If the fixing mechanism uses a precise groove position, then the reliability of fixation is improved, but the ease of manufacture deteriorates because misalignment during assembly becomes critical
Solution Approach 1:
The guiding member creates an asymmetric assembly process where the inserting groove provides a unique directional path for the protrusion. This asymmetric design ensures that the protrusion can only be inserted in the correct orientation and position, automatically achieving precise alignment without requiring tight manufacturing tolerances or complex alignment procedures.
Data Source
AI summary
Disclosed is a vacuum cleaner including a head having an inlet for sucking in air containing impurities from outside; a dust collector including: a dust collecting container having a handle on a side thereof, and sucking in polluted air and collecting impurities separated from the polluted air, and having an opened top surface for discharging air separated from the impurities; and a top lid including a fixing groove and a guiding member, and detachably provided at the dust collecting container for closing the opened top of the dust collecting container, wherein the guiding member is coupled to a predetermined part of the dust collecting container such that the fixing groove is positioned at a predetermined location when the top lid is assembled with the dust collecting container; a main body having a dust collector receiving recess in front part thereof, wherein the dust collector is detachably provided; and a fixing device provided at an upper front portion above the dust collector receiving recess, and having a protrusion caught by the fixing groove of the top lid, the fixing device fixing the dust collector on the main body, and releasing the dust collector when the dust collector is separated from the main body.