Movable Air Outlet Coupling for Handheld Vacuum Floor Cleaning
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Solution Overview
Problem
Battery-powered handheld vacuum cleaners are cumbersome for cleaning floor surfaces due to their small size, requiring users to crouch or stoop, and existing extension frames are difficult to align with the handheld device, leading to inefficient air flow and frustration.
Innovation Solution
A vacuum cleaning appliance with a handheld device and support frame featuring a moveable air outlet that projects from the frame when detached, allowing easier alignment and coupling, and a latch mechanism for secure attachment, along with a resilient bias for automatic deployment and space-saving retraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the air outlet is fixed in position on the support frame, then the structure is simple and robust, but the handheld device is difficult to align and attach, causing misalignment and air flow loss
Solution Approach 1:
The air outlet is made movable relative to the support frame, transitioning from a static to a dynamic component. This allows the air outlet to be positioned optimally during attachment and then secured in place, resolving the contradiction between ease of alignment and structural simplicity.
Solution Approach 2:
The air outlet is deployable to a first position before attachment, allowing the user to align the handheld device with the air outlet in advance. This preliminary positioning action facilitates easier coupling before the device is secured in its final operational state.
2Ease of operation
If the air outlet projects from the support frame, then alignment and coupling are easier, but the air outlet may snag on the support frame and cause accidental detachment
Solution Approach 1:
The air outlet transitions from a projected to a retracted state after coupling, dynamically adjusting its position to eliminate snagging risks while maintaining the benefits of initial alignment ease.
Solution Approach 2:
The air outlet is deployed to a projected position temporarily for alignment and coupling purposes, then retracted to a safe position that prevents accidental detachment, separating the alignment function from the secure attachment state.
3Volume of moving object
If the air outlet is retracted within the support frame, then space is saved and snagging is prevented, but alignment and physical coupling become more difficult
Solution Approach 1:
The air outlet is designed to be movable between retracted and projected positions, allowing it to occupy minimal space during operation while becoming easily accessible during attachment, thus resolving the space versus accessibility contradiction.
Solution Approach 2:
The air outlet is preliminarily deployed to a projected position to facilitate alignment and coupling, then retracted to save space and prevent snagging, separating the alignment phase from the operational phase.
4Device complexity
If manual deployment of the air outlet is required, then the mechanism is simpler, but the user experience is degraded and operation becomes more cumbersome
Solution Approach 1:
The air outlet deployment mechanism uses resilient bias to automatically deploy the air outlet to the projected position without requiring manual intervention, making the system serve itself and improving ease of operation with minimal added complexity.
Solution Approach 2:
The resilient bias mechanism is extracted as a separate functional component that automatically performs the deployment action, removing the need for manual operation while adding only minimal structural complexity.
5Length of moving object
If the handheld vacuum cleaner has smaller dimensions for portability, then it is more portable and easier to handle, but it becomes cumbersome for cleaning floor surfaces requiring crouching or stooping
Solution Approach 1:
The handheld vacuum cleaner is merged with the support frame to create a composite cleaning system that combines the portability of the handheld device with the floor-reach capability of the extended frame structure.
Solution Approach 2:
The cleaning system is designed to be universally applicable to multiple cleaning scenarios - the handheld device can be used independently for portable cleaning while also attaching to the support frame for floor surface cleaning, making the system multi-functional.
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
Enhances user convenience by simplifying the attachment process, reducing air leakage, and improving airflow efficiency while maintaining portability and ease of use for both handheld and upright cleaning modes.
Implementation Method 1
the air outlet is resiliently biased into the first position
Data Source
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AI summary
A vacuum cleaning appliance comprises a handheld vacuum cleaning device comprising a motor coupled to a fan for generating an air flow through a nozzle air inlet. It also comprises a support frame comprising: a cleaning head having a cleaning head air inlet; and an air outlet in fluid communication with the cleaning head air inlet, the air outlet configured to couple with the nozzle air inlet when the handheld vacuum cleaning device is secured to the support frame and to create an airflow path from the cleaning head air inlet to the nozzle air inlet. The air outlet is moveable with respect to the support frame into a first position in which the air outlet projects from the support frame when the handheld vacuum cleaning device is detached from the support frame.