Portable Filter Assembly with Bayonet Locking Mechanism
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Solution Overview
Problem
Existing filter assemblies are difficult to disassemble and assemble without tools, prone to leakage during disassembly, and not portable for travel, especially in areas where water filtration is necessary for individuals with weak immune systems.
Innovation Solution
A portable tabletop filter assembly with a tool-free design, featuring a filter housing and base with a bayonet-style locking mechanism, allowing for easy assembly and disassembly, and adjustable inlet and outlet ports for controlling fluid flow and retention time, along with a replaceable filter media and adapter options for various outlet sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional filter assemblies use threaded connections requiring tools for assembly and disassembly, then the connection is secure and leakage is prevented, but the ease of operation deteriorates and filter changes require significant time and effort
Solution Approach 1:
The filter assembly is divided into separable components: a filter holder that attaches to the faucet, a removable filter element, and a locking mechanism. This segmentation allows the filter element to be quickly removed and replaced without disassembling the entire assembly, enabling tool-free operation and reducing filter change time while maintaining secure connections during use.
Solution Approach 2:
The assembly incorporates a dynamic locking mechanism using a cam lever that can be quickly engaged and disengaged. The cam lever provides a mechanical advantage that allows secure locking with minimal force, enabling users to rapidly assemble and disassemble the filter without tools while ensuring tight seals during operation.
2Reliability
If traditional filter assemblies use tight sealing mechanisms to prevent leakage, then leakage is minimized, but the ease of operation deteriorates as tools are required to open and close the housing
Solution Approach 1:
A cam lever acts as an intermediary mechanism between the user's hand and the sealing components. By manipulating the cam lever, users can indirectly apply controlled force to engage and disengage the sealing elements, achieving reliable leakage prevention without requiring direct manual tightening or tool-assisted operations.
Solution Approach 2:
The filter assembly incorporates self-sealing features where the act of attaching or detaching the filter element itself activates the sealing mechanism. The elastomeric sealing elements are designed to automatically engage with the faucet interface when the filter holder is properly positioned, eliminating the need for separate tightening or sealing operations.
3Reliability
If filter assemblies are designed for secure attachment to prevent leakage, then leakage is prevented, but portability deteriorates as the assembly becomes difficult to transport and reposition
Solution Approach 1:
The cam lever locking mechanism provides a dynamic solution that delivers strong locking force when engaged but requires minimal force to disengage. This dynamic characteristic allows the assembly to remain securely attached during use while being easily portable, as users can quickly release and reposition the filter without excessive effort or specialized tools.
4Strength
If traditional filter assemblies require tools for assembly and disassembly, then secure connections are achieved, but device complexity increases due to the need for additional components and instructions
Solution Approach 1:
The filter assembly is designed to be self-configuring through intuitive alignment features. The filter holder and filter element incorporate guide surfaces and positioning elements that automatically align components during assembly, eliminating the need for complex instructions or multiple adjustment steps while maintaining strong, secure connections.
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
Enables quick and tool-free filter changes, minimizes leakage during disassembly, and is lightweight and portable for use in different water sources, ensuring effective water filtration with adjustable flow and retention times.
Implementation Method 1
a filter assembly that is easy to assemble and disassemble without the use of tools
Implementation Method 2
a filter housing and base with a bayonet-style locking mechanism
Data Source
AI summary
A portable table top filter assembly including a filter housing enveloping a filter having an inlet and an outlet for the fluid; a flat bottomed filter base having an inlet port and an outlet port communicating with the inlet and outlet of the filter housing and a protruding rim having connectors on an outside surface of the rim recessed from the main body of the filter base, an inlet entry port at a bottom section of the filter base for connecting to a fluid source and communicating with the inlet port of the filter base, an outlet exit port connecting to a fluid delivery device and communicating with the outlet port of the filter base; and, a filter locking ring locking the filter housing to the filter base when a connector at the filter locking ring connects with the connector at the filter base.