Cyclonic Separator Bin Release for Stronger Vacuum Assembly
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Solution Overview
Problem
Handheld vacuum cleaners experience lateral flex between the main body and cyclonic separator, indicating mechanical weakness, and the mechanism for emptying the cyclonic separator is not user-friendly, requiring multiple steps and additional actuators.
Innovation Solution
A radially interlocking connection between the main body and cyclonic separator using a compressible circlip, allowing a single actuator to open the bin door and disengage the bin from the separator, enhancing the interface for a stronger connection and simplified user operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a tab and receptacle hinge arrangement is used to connect the main body and cyclonic separator, then the connection is simple to assemble, but lateral flex occurs indicating mechanical weakness
Solution Approach 1:
The connecting means is divided into multiple radially spaced interlocking regions distributed around the interface, with each region containing engagement features such as tabs and receptacles. This segmentation allows the connection to be assembled simply while distributing mechanical loads across multiple points, preventing lateral flex and indicating mechanical weakness.
2Reliability
If multiple actuators and catches are used to empty the cyclonic separator, then the bin can be securely held, but the operation becomes complex and requires multiple steps
Solution Approach 1:
Multiple catches are merged into a single integrated catching arrangement that engages with a single actuator. The actuator simultaneously operates multiple catching features through a unified mechanism, allowing the bin to be securely held while simplifying user operation to a single action rather than multiple separate steps.
3Strength
If a radially interlocking connection is used between main body and separator, then the mechanical strength increases, but the device complexity increases
Solution Approach 1:
The radially interlocking connection serves multiple functions simultaneously: it provides mechanical strength through distributed engagement regions, enables simple assembly through standardized tab and receptacle features, and allows for tool-free detachment through resilient engagement. This multi-functionality increases interface strength while minimizing device complexity.
Data Source
AI summary
A cleaning appliance comprising a main body and a separating apparatus including a dirt collector having a base that is openable that allows the dirt collector to be emptied. The cleaning appliance includes an actuator that is operable sequentially such that, during a first operation, the actuator causes the base to be opened and, during a second operation, the actuator causes the dirt collector to disengage from the separating apparatus. A single actuator is therefore used for two functions: firstly to open the dirt collector for emptying purposes and, secondly, to disengage the dirt collector from the separating apparatus for example for cleaning purposes. Such an arrangement is space efficient and intuitive for the user.