Line Coupling With Inner Tube for Low-Level Fluid Removal
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Solution Overview
Problem
Existing line couplings allow fluid to be conducted into a container but do not facilitate fluid removal when the fill level is below the housing head, limiting their functionality.
Innovation Solution
A line coupling design featuring a housing with a tube connection piece and housing head, where a tube connection structure is connected to an inner tube that can project below the fill level, enabling fluid removal through a flow duct formed between the tube connection structure and the inner tube, with a larger cross-sectional area at the housing head for enhanced sealing and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing head closes off the container opening, then sealing is improved, but fluid removal below the fill level becomes impossible
Solution Approach 1:
The housing is segmented into a housing head and a tube connection piece, with an inner tube extending through the housing head to reach below the fill level. This segmentation allows the housing head to maintain sealing while the inner tube enables fluid removal from lower levels.
Solution Approach 2:
The inner tube extends vertically through the housing head, creating a new dimensional path for fluid flow. This allows fluid to be removed from below the fill level by accessing the container through the vertical dimension rather than being limited to the horizontal plane of the housing head.
2Adaptability or versatility
If different inner tube lengths are used for different usage cases, then adaptability is improved, but production and storage costs increase
Solution Approach 1:
The inner tube is designed as a dynamic component that can be inserted to different lengths depending on the usage case. This dynamic adaptability allows a single standardized tube connection structure to serve multiple applications without requiring multiple pre-configured components.
Solution Approach 2:
The tube connection structure is designed as a universal component that can accommodate inner tubes of various lengths. This multi-functionality allows the same housing and tube connection piece to be used across different applications, reducing the need for multiple specialized components and lowering production and storage costs.
3Ease of manufacture
If the housing is produced in one piece, then manufacturing complexity is reduced, but the cross-sectional area requirement increases
Solution Approach 1:
The housing head and tube connection piece are merged into a single one-piece housing structure. This combining simplifies manufacturing by eliminating the need for separate assembly operations while the design ensures that the cross-sectional area at the second opening remains sufficiently large for proper sealing and function.
Data Source
AI summary
A line coupling having a housing which has a tube connection piece and a housing head. A passage duct extends from a first opening, which is formed by the tube connection piece, to a second opening, which is formed by the housing head. A tube connection structure is arranged in the passage duct. The tube connection structure is connected in a form-fitting manner via first coupling means to a first end of an inner tube which extends out of the housing head through the second opening. The section of the passage duct between the first opening and tube connection structure and inner tube form a flow duct for fluid. A container is also disclosed having a container housing which forms a container hollow space and a container opening. The container opening is formed by an outwardly projecting connection piece, and has a line coupling.