Vacuum Bin Locking and Ejection for Secure Alignment
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Solution Overview
Problem
Handheld vacuum cleaners with removable dirt collection bowls often face alignment issues, leading to improper air intake or accidental detachment, making them difficult to use and assemble.
Innovation Solution
A vacuum cleaning device with a locking mechanism and ejection mechanism that allows the dirt collection bin to be easily removed by moving it away from the housing, featuring a biasing member and projecting arms for secure coupling and decoupling, ensuring proper alignment and preventing accidental detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the dirt collection bin is made removable for easy cleaning, then ease of operation is improved, but alignment precision deteriorates leading to improper air intake or accidental detachment
Solution Approach 1:
A locking mechanism acts as an intermediary between the dirt collection bin and housing, providing positive engagement features (lugs, slots, springs) that ensure precise alignment and secure connection while maintaining ease of removal for cleaning
Solution Approach 2:
The connection system is segmented into discrete components: the locking mechanism with movable and fixed portions, the ejection mechanism with projecting arms, and the alignment features. This segmentation allows each component to perform its specific function independently while working together to resolve the contradiction
2Ease of operation
If the dirt collection bin is made easily removable, then ease of operation is improved, but reliability deteriorates due to accidental detachment
Solution Approach 1:
The ejection mechanism with biasing members pre-positions the dirt collection bin in an ejected state, and the locking mechanism is designed to automatically engage when the bin is inserted, ensuring reliable connection before use without requiring user effort to maintain security
Solution Approach 2:
The locking mechanism serves as a reliable intermediary that maintains secure connection during operation while allowing easy release when needed, preventing accidental detachment through positive engagement features
3Ease of operation
If the dirt collection bin is ejected away from the housing, then ease of operation is improved for removal, but device complexity increases due to additional ejection mechanism components
Solution Approach 1:
The locking and ejection mechanisms are merged into a single integrated assembly where the movable portion of the locking mechanism also serves as the ejection actuator, reducing overall component count and simplifying the mechanism while maintaining ease of bin removal
Data Source
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AI summary
A vacuum cleaning device comprises: a housing; a motor and fan assembly for generating an airflow between an air inlet and an air outlet. A removable dirt collection bin receives dirt in the airflow. The dirt collection bin is located in fluid communication between the air inlet and air outlet and mountable to the housing. A locking mechanism is moveable between a locked position and an unlocked position for releasably coupling the dirt collection bin to the housing. An ejection mechanism arranged to eject the dirt collection bin away from the housing when the locking mechanism is in the unlocked position.