Flexible Fume Extraction Torch Connection With Sealed Rotation
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Solution Overview
Problem
Existing fume extraction systems have rigid connections that are prone to breaking and contamination, lack flexibility, and fixed orientations, leading to potential electrical connection contamination and reduced extraction capacity.
Innovation Solution
A flexible and rotatable connection between the fume extraction hose and machine-side connection housing, equipped with a seal to prevent contamination and increase extraction capacity, allowing for different hose sizes and improved hose placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid T-joint connection is used to couple the fume extraction hose to the machine-side connection housing, then the structural strength and stability are improved, but the flexibility and adaptability of hose positioning are lost, and the connection becomes prone to breaking
Solution Approach 1:
The connection system is divided into separate components: a machine-side connection housing and a T-joint connection that can be independently positioned. The T-joint is separated from the machine-side housing, allowing each component to be optimized independently while maintaining overall structural integrity through controlled flexibility.
Solution Approach 2:
The connection system incorporates dynamic positioning capability where the T-joint can be adjusted to different orientations and positions relative to the machine-side connection housing. This dynamic adjustment allows the system to adapt to different hose sizes and routing requirements while maintaining a secure connection.
2Stability of the object's composition
If the T-joint is rigidly fixed to the machine-side connection housing, then the structural stability is improved, but the connection becomes prone to breaking and loses flexibility
Solution Approach 1:
The connection assembly is segmented into the machine-side connection housing and the T-joint as separate but connected components. This segmentation allows the T-joint to provide stable fume extraction functionality while being isolated from mechanical stresses that would otherwise be transmitted to the electrical connections in the machine-side housing.
Solution Approach 2:
The T-joint acts as an intermediary component between the fume extraction hose and the machine-side connection housing. It provides a stable mounting point for the hose while preventing direct transmission of mechanical forces to the electrical connections, thereby protecting the overall system reliability.
3Device complexity
If the fume extraction hose is directly coupled to the machine-side connection housing, then the connection simplicity is improved, but the housing becomes prone to contamination which compromises electrical connections
Solution Approach 1:
The connection system is segmented into a machine-side connection housing containing electrical connections and a separate T-joint for hose attachment. This segmentation creates a physical barrier that prevents fume contamination from reaching the electrical connections while maintaining a relatively simple overall connection architecture.
Solution Approach 2:
The T-joint serves as an intermediary that interfaces with the fume extraction hose while being positioned to prevent direct coupling between the hose and the machine-side connection housing. This intermediary positioning protects the electrical connections from contamination by fumes and debris from the welding or cutting process.
4Manufacturing precision
If a fixed orientation T-joint is used, then the manufacturing precision is improved, but the adaptability for different hose sizes and positioning requirements is reduced
Solution Approach 1:
The T-joint is designed with dynamic positioning capability, allowing it to be adjusted to different orientations and positions after installation. This dynamic adjustment enables the system to accommodate different hose sizes and routing requirements while maintaining precise connection geometry when positioned.
Solution Approach 2:
The system allows for changes in positional parameters of the T-joint relative to the machine-side connection housing. By enabling adjustment of position and orientation parameters, the system can adapt to different hose sizes and routing configurations while maintaining precise connections when the parameters are set.
Data Source
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AI summary
Provided for herein is an apparatus that includes a machine-side connection housing. The machine-side connection housing includes a machine-side connection configured to provide a welding consumable or an electrical connection to a welding/cutting torch head. The apparatus also includes a fume extraction connection housing that includes a fume extraction connection to a fume extraction device. A flexible connection is arranged between the machine-side connection housing and the fume extraction connection housing. A seal that includes a first orifice is arranged between the fume extraction connection and the machine-side connection. Finally, a conduit, configured to connect the machine-side connection to the welding/cutting torch head, is arranged to pass through the first orifice, through the flexible connection and through the fume extraction connection housing to the welding/cutting torch head.