Bayonet Accessory Attachment Mechanism for Fluid Processing
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Solution Overview
Problem
Existing attachment mechanisms for accessories in fluid processing devices are cumbersome and time-consuming, often requiring external tightening tools, which can lead to inefficiencies and potential damage.
Innovation Solution
A bayonet-style attachment mechanism featuring a ring feature, annular member, spring-biased pins, and a rotation plate that allows for secure attachment and detachment by manual rotation, eliminating the need for external tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional attachment mechanisms are used, then secure attachment is achieved, but attachment time and complexity increase
Solution Approach 1:
The attachment mechanism transitions from static threaded connections to dynamic spring-biased pins that automatically engage and disengage through rotational motion. The spring bias provides continuous engagement force while allowing quick release through plate rotation, resolving the contradiction between secure attachment and quick operation.
Solution Approach 2:
The attachment system is divided into modular components: the annular member with multiple spring-biased pins, the rotation plate for actuation, and the ring feature on the accessory. This segmentation allows independent optimization of each component, achieving both secure multi-point attachment and simplified operation through the rotation plate mechanism.
2Reliability
If traditional attachment mechanisms are used, then secure attachment is achieved, but operational complexity increases
Solution Approach 1:
The spring-biased pins automatically engage with the ring feature when the rotation plate is positioned correctly, eliminating the need for manual tightening or alignment adjustments. The spring force ensures positive engagement without requiring external tools or complex procedures, achieving both security and simplicity.
Solution Approach 2:
The rotation plate provides a simple rotational motion to control the state of multiple pins simultaneously. This dynamic actuation mechanism transforms a complex multi-step attachment process into a single rotational action, greatly improving ease of operation while maintaining secure attachment through the spring-biased pin system.
3Ease of operation
If manual rotation only is used, then operational simplicity is improved, but work performance decreases
Solution Approach 1:
The spring-biased pins provide dynamic engagement force during rotation, ensuring positive latching when the accessory reaches the correct position. This dynamic mechanism maintains operational simplicity through manual rotation while improving work performance through reliable automatic engagement and secure attachment, preventing slippage or misalignment during operation.
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
This solution simplifies the attachment process, improving work performance and efficiency while preventing accessory misalignment and fluidic seal issues, and is applicable to a wide range of accessories in temperature-controlled systems.
Implementation Method 1
a spring biasing the respective pin to resist the engagement with the tapered surface
Data Source
AI summary
A temperature-controlled fluid processing system with accessory attachment mechanism includes an accessory annular ring feature a mounting surface and a tapered surface sloping toward a central axis of the ring feature and away from the mounting surface, and engaging components on the primary device, including concentric annular member and rotation plate. The annular member includes spaced apart through holes housing spring biased pins. The rotation plate surrounds the annular member, and includes one or more ramped inner surface(s). The plate is rotatable between an unattached position wherein the ramped surfaces apply no radial inward force to the spring-biased pins, and an attached position wherein each ramped surface displaces a pin inward through its corresponding through hole such that the conical tip of the spring-biased pin engages the tapered surface of the ring feature, thereby immobilizing the accessory with respect to a head unit of the fluid processing device.