CO2 Cartridge Guide Device for Angled, Reliable Insertion
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Solution Overview
Problem
The existing guide devices for CO2 cartridges in beverage systems face difficulties in easy and secure insertion due to the rupture disc, requiring a larger funnel-shaped insertion aid, which complicates the process.
Innovation Solution
A guide device with radially inwardly extending guide elements, particularly in the lower region, allowing for angled insertion and symmetrical guidance of the cartridge, along with recesses to enhance manufacturability and uniform material thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a larger funnel-shaped insertion aid is used to accommodate the rupture disc, then the cartridge can be inserted, but the insertion process becomes more difficult and complex
Solution Approach 1:
The guide device is divided into an upper region and a lower region with distinct functions. The upper region provides the funnel-shaped insertion aid for initial cartridge entry, while the lower region contains radially inwardly extending guide elements for precise alignment and engagement of the rupture disc, separating the insertion and alignment functions into different spatial zones
Solution Approach 2:
The radially inwardly extending guide elements act as intermediary structures between the funnel-shaped insertion aid and the cartridge rupture disc. These guide elements facilitate the transition from rough insertion to precise alignment, mediating the interaction between the user's insertion action and the cartridge's final positioned state
2Adaptability or versatility
If a larger funnel-shaped insertion aid is used, then the rupture disc can be accommodated, but the device complexity increases
Solution Approach 1:
The guide device merges multiple functions into a single integrated structure: the upper region's funnel-shaped insertion aid and the lower region's radially inwardly extending guide elements work together as one unified component, eliminating the need for separate alignment tools or multi-step procedures
Solution Approach 2:
The guide elements extend radially inwardly from the wall of the lower region, utilizing the radial dimension to provide alignment features without increasing the overall axial length or external diameter of the guide device, thus accommodating the rupture disc without proportionally increasing device complexity
3Ease of operation
If the guide device allows angled insertion, then ease of insertion is improved, but manufacturing precision requirements increase
Solution Approach 1:
The radially inwardly extending guide elements are arranged asymmetrically relative to the funnel axis, with elements positioned to guide the cartridge from angled insertion positions into proper alignment. This asymmetric arrangement accommodates various insertion angles while maintaining functional effectiveness
Solution Approach 2:
The guide elements are designed to dynamically adapt to the insertion process: during angled insertion, the guide elements provide contact surfaces that gradually guide the cartridge into alignment, transitioning from accommodating angular misalignment to enforcing precise final positioning as the insertion progresses
Data Source
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AI summary
The invention relates to a guide device for connecting a fluid cartridge, in particular a CO2 compressed gas cylinder, especially for sanitary applications, comprising an upper area for fixing the guide device to a connection of a fluid line and a lower area for inserting the fluid cartridge into the guide device in an insertion direction, which at least partially surrounds the fluid cartridge, wherein at least one radially inwardly extending guide element is arranged in at least one of the two areas, in particular at least in the lower area.