Pistol-Grip Cyclonic Vacuum Layout for Cleaner Bin Emptying
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Solution Overview
Problem
Existing handheld vacuum cleaners with cyclonic separators require users to twist their hand to empty the dirt collector, making the process awkward and increasing the risk of coming into contact with dirt.
Innovation Solution
A handheld vacuum cleaner with a pistol grip handle inclined at an angle relative to the cyclonic separating unit, allowing the dirt collector to open away from the user for ergonomic and intuitive emptying, reducing the risk of dirt contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the base is positioned to open away from the user, then the risk of dirt contact is reduced and ergonomics are improved, but the device complexity increases due to the inclined handle configuration
Solution Approach 1:
The handle is configured with an asymmetric pistol grip design where the grip portion is offset laterally and inclined at an angle (85-140 degrees) relative to the longitudinal axis of the cyclonic separating unit. This asymmetric arrangement positions the user's hand such that when the end portion opens, dirt is discharged away from the user's body, eliminating the need for symmetric alignment and reducing dirt contact risk.
Solution Approach 2:
The solution moves the opening direction from a lateral or upward discharge (in conventional designs) to a rearward discharge along the longitudinal axis. By inclining the handle and positioning the grip offset from the central axis, the end portion opens in a direction that projects dirt away from the user's torso, utilizing the longitudinal dimension to solve the harmful factor problem.
2Ease of operation
If the handle is inclined at an angle relative to the cyclonic separating unit, then emptying becomes more ergonomic and intuitive, but the manufacturing complexity increases
Solution Approach 1:
The handle is designed with a pistol grip configuration that allows natural hand positioning and wrist orientation during the emptying operation. The inclined angle (85-140 degrees) between the handle and cyclonic separating unit enables dynamic ergonomics where the user can maintain a relaxed grip while the end portion opens naturally away from the body, improving ease of operation.
Solution Approach 2:
The handle assembly is segmented into distinct components: a grip portion for hand placement, a connection portion at an inclined angle, and mounting features for the cyclonic separating unit. This segmentation allows independent optimization of each component for manufacturing while maintaining the overall ergonomic geometry in the final assembly.
3Reliability
If the cleaning tool is connected to prevent end portion movement, then dirt containment is improved during cleaning, but the ease of operation for emptying is reduced
Solution Approach 1:
The end portion is designed with dynamic positioning capability - it can be held in a closed configuration during cleaning operations to contain dirt, and can be opened for emptying. The collar on the cleaning tool provides a mechanical constraint that maintains the closed position during use, while the pivot connection allows intentional opening when needed, balancing reliability and ease of operation.
Solution Approach 2:
The collar on the cleaning tool acts as an intermediary mechanical element that abuts the end portion to prevent unintended movement during cleaning. This intermediary component provides the necessary constraint for dirt containment while allowing deliberate opening by the user when emptying is required, mediating between the conflicting requirements of containment and accessibility.
Data Source
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AI summary
A handheld vacuum cleaner 2 comprising a handle 6 by which the vacuum cleaner 2 is supported during normal use and a cyclonic separating unit 8 having a longitudinal axis and a dirt collector 38, 51 at one end of the cyclonic separating unit 8. The cyclonic separating unit 8 comprises an end portion 26 having a closed configuration in which dirt is retained within the dirt collector 38, 51 and an open configuration for the removal of dirt from the dirt collector 38, 51. The handle 6 has a pistol grip configuration in which the handle 6 is inclined with respect to the cyclonic separating unit 8 to form an angle of not less than 85 degrees and not greater than 140 degrees between the handle 6 and the longitudinal axis X of the cyclonic separating unit 8.