Welded Quick-Connect Fitting With Overflow Grooves for Clean Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pipe joints face issues such as difficulty in mounting, potential leakage, complex operation, and poor sealing due to the need for professional tools and precise assembly, as well as cumbersome welding processes that affect quality and appearance.
Innovation Solution
A welded quick-connect fitting with specific structural features including overflow grooves to manage welding slag and a design that simplifies assembly, ensuring proper positioning and sealing without requiring complex tools or additional slag removal steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding is performed on pipe fittings, then connection strength is improved, but welding slag overflows affecting quality and appearance
Solution Approach 1:
The patent extracts the harmful welding slag from the welding area by designing overflow grooves that channel the slag away from the pipe fitting surfaces. The grooves act as dedicated pathways that separate the slag flow from the critical welding quality zones, allowing the welding process to proceed without compromising appearance or requiring additional cleaning operations.
Solution Approach 2:
The patent converts the harmful welding slag into a beneficial element by using it to fill the overflow grooves during the welding process. The slag that would normally be discarded as waste or a defect is instead directed into predetermined cavities where it serves as filler material, potentially providing additional sealing or structural benefits while protecting the visible surfaces.
2Ease of operation
If external seal straight-insert pipe fittings are used, then installation is simplified, but insertion position cannot be verified leading to leakage
Solution Approach 1:
The patent employs visual indicators (color changes or visual markers) on the pipe fitting components to indicate proper insertion depth and positioning. These visual cues allow installers to quickly verify that the pipe is correctly positioned within the fitting without requiring specialized tools or complex measurement procedures, thereby maintaining simplicity while ensuring reliability.
3Reliability
If clamp-type or flared sliding-tightening type joints are used, then sealing is improved, but professional tools and operators are required increasing complexity
Solution Approach 1:
The patent designs the pipe fitting with self-aligning and self-sealing features that automatically ensure proper positioning and sealing during installation. The internal structure includes elements that guide the pipe into the correct position and create effective sealing through the welding process itself, eliminating the need for specialized tools, professional operators, or complex mounting procedures while maintaining high sealing performance.
4Adaptability or versatility
If nut ferrule type joints are used, then adjustable tightening is enabled, but mounting space requirements increase and torque control is difficult
Solution Approach 1:
The patent replaces the mechanical nut-and-wrench tightening system with a welding-based connection method. This substitution eliminates the need for large mounting spaces required for wrench operation and torque control, while the welding process provides consistent, controlled joining without requiring accessible tightening spaces. The adaptability previously provided by adjustable nuts is achieved through the precision and control of the welding process itself.
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
The solution provides a reliable, easy-to-assemble pipe connection system with improved welding quality and sealing performance, reducing the risk of leakage and simplifying the mounting process.
Implementation Method 1
the welding slag in the welding process falls into the overflow groove
Implementation Method 2
the first outer circular surface and the second inner circular surface are welded at the interference fit area
Data Source
Figure 1~3
Figure 4~6
Figure 7~10
AI summary
A welded quick connect fitting, comprising at least one connector assembly. The connector assembly comprises an inner pipe (130) and a housing assembly; the housing assembly comprises a pipe base (110) and a pipe sleeve (120); the pipe base is provided with a first stepped end (111), and the first stepped end is used for being connected to the pipe sleeve; the pipe sleeve is provided with a second stepped end (121); the first stepped end is provided with a first end surface (112), a third end surface (119), a first outer circular surface (113), and a second outer circular surface (114) lower than the first outer circular surface; the second stepped end is provided with a second end surface (122), a fourth end surface (128), a first inner circular surface (123), and a second inner circular surface (124) lower than the first inner circular surface; outer protrusions (116) are provided on the second outer circular surface, and the outer protrusions are pressed into the second inner circular surface; a gap exists between the first outer circular surface and the first inner circular surface to form a first overflow groove (126), and a gap exists between the second outer circular surface and the second inner circular surface to form a second overflow groove (127); the first outer circular surface and the second inner circular surface are welded in an interference fit area (129), and the first end surface and the second end surface abut against each other after welding. Provided is a piping system, comprising the welded quick connect fitting. Provided is a pipeline connection method, comprising using the welded quick connect fitting to connect pipes, and inserting the pipes between the inner pipe and the housing assembly. According to the welded quick connect fitting, the welding slag in the welding process can fall into the overflow grooves, thereby improving the welding quality and making the welding more convenient and attractive.