Spring-Locked Vent Tube Coupling for Secure Bottling Changeovers
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Solution Overview
Problem
Conventional vent tube connection methods in bottling machines, such as threaded and press fit configurations, are time-consuming, prone to damage, and result in significant downtime due to the need for tools, over-torquing, and potential for improper installation, leading to lost vent tubes during the filling process.
Innovation Solution
A quick connect mechanism featuring a receiver with a spring-based positive locking system and bayonet-style protrusions that securely attach and detach vent tubes from gas stems, allowing for rapid changeovers and preventing unintentional removal, utilizing a spring sleeve or direct spring contact to ensure proper alignment and secure the vent tube in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If threaded attachment methods are used for vent tubes, then the vent tubes can be securely connected to the valve insert, but the connection process becomes time-consuming and requires tools which are not readily available
Solution Approach 1:
The connection system is divided into separate components: a valve insert with external threads and a vent tube with internal threads. This segmentation allows the vent tube to be quickly screwed onto the valve insert without requiring complex tools or mechanisms, resolving the contradiction between secure connection and quick changeover.
2Reliability
If threaded attachment methods are used for vent tubes, then the vent tubes can be securely connected, but workers often use wrong tools causing damage to the vent tube and over torqueing damage to the valve cover
Solution Approach 1:
The vent tube and valve insert are designed with complementary threading that allows workers to hand-tighten the connection without tools. The self-contained threading system eliminates the need for external tools, preventing damage from improper tool use while maintaining secure connection through the threaded interface.
3Ease of operation
If press fit configuration is used for vent tubes, then tool-free installation is achieved, but the vent tubes are difficult to remove and insert and may slip out or fall into bottles
Solution Approach 1:
The solution merges two attachment approaches: press fit for tool-free installation and threading for secure connection. The vent tube is first pressed onto the valve insert for quick installation, then threaded to provide secure attachment and prevention of accidental removal, achieving both ease of operation and reliability.
4Reliability
If threaded vent tubes are used, then secure connection is achieved, but during heated cleaning cycles threads expand making vent tubes loose fitting and capable of inadvertent removal
Solution Approach 1:
The connection system is designed to be dynamically adjustable. The threading allows for slight adjustments in fit as thermal expansion occurs during cleaning cycles, maintaining secure connection despite changes in thread dimensions. The threaded interface can accommodate dimensional changes while maintaining functional connection.
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 reduces downtime by enabling rapid and secure attachment/detachment of vent tubes, preventing accidental removal during operation, and ensuring proper installation, thus minimizing production line shutdowns and equipment damage.
Implementation Method 1
a spring positioned within the receiver between the gas stem and the protrusion to bias the protrusion into the recess
Data Source
AI summary
A gas stem assembly comprising a vent tube having at least one protrusion extending in a radial direction, a receiver having a hole through which the vent tube extends and having at least one mating recess configured to interact with the at least one protrusion, and a spring configured to bias the at least one protrusion toward the receiver.