Swivel Pipe Connection with Adapter to Prevent Flow Constriction
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Solution Overview
Problem
Existing connection devices for pipes are complex, require multiple versions for different dimensions, and often constrict the flow cross-section when angled, impairing hydraulic performance.
Innovation Solution
A connection device featuring a housing with a spherical body and swivel connector forming a ball-and-socket joint, an adapter piece with a divergence area to prevent constriction, and seals to ensure tightness and ease of assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a ball joint is used to allow angular installation of the branch pipe, then ease of operation is improved, but the flow cross-section is constricted which worsens hydraulic performance
Solution Approach 1:
The connection device is divided into separate functional components: a housing that maintains the main flow path, a ball joint mechanism for angular adjustment, and an adapter piece for securing the branch pipe. This segmentation allows the housing to preserve full flow cross-section while the ball joint provides angular flexibility without constricting the main flow path.
Solution Approach 2:
The ball joint acts as an intermediary mechanism between the housing and the branch pipe, enabling angular adjustment while the housing itself maintains the unobstructed flow cross-section. The adapter piece serves as another intermediary that secures the branch pipe to the ball joint without interfering with the main flow path through the housing.
2Adaptability or versatility
If different branch line dimensions are accommodated, then adaptability is improved, but device complexity increases requiring multiple connection device versions
Solution Approach 1:
The housing and ball joint mechanism are designed as universal components that can accommodate multiple branch pipe dimensions. The adapter piece is the only component that varies with different pipe sizes, while the main connection device structure remains the same, reducing the need for multiple complete connection device versions.
Solution Approach 2:
The adapter piece is nested within the housing structure, with different adapter pieces selectable based on branch pipe dimension while the outer housing and ball joint mechanism remain constant. This nested arrangement allows a single housing design to support multiple pipe sizes through interchangeable inner adapters.
3Reliability
If a tight connection is ensured between main pipe and connection device, then reliability is improved, but ease of manufacture worsens due to complex design
Solution Approach 1:
The ball joint employs spherical surfaces that naturally provide point contact and rotational freedom while maintaining secure connection. The spherical geometry simplifies the sealing requirement compared to flat surfaces, as the curved surfaces naturally concentrate contact forces and facilitate reliable sealing through the adapter piece and seal elements.
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
Enables easy assembly, sealing, and versatile use while maintaining hydraulic performance by allowing angular adjustment without constricting the flow cross-section, reducing stress on the connection and preventing leaks.
Implementation Method 1
The swivel fitting rests against the spherical inner surface and slides on it, allowing it to rotate freely. This creates a ball joint between the spherical inner surface and the swivel fitting.
Implementation Method 2
A seal can be arranged on the outside of the swivel fitting between the swivel fitting and a spherical inner surface.
Data Source
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AI summary
The invention relates to a connection device (1) for connecting a connecting pipe (101, 102) to a main pipe (100), comprising a housing (2) mountable on the main pipe (100) with a spherical inner surface (5), wherein the housing (2) has an opening (6) for inserting the connecting pipe (101, 102) and a tubular outlet (7) facing the main pipe (100), with a pivoting nozzle (9) which slides rotatably on the spherical inner surface (5), wherein the pivoting nozzle (9) has a first receptacle (10) for inserting a connecting pipe (101) with a first outer diameter (33), and with an adapter piece (20) that can be inserted into or is inserted into the first receptacle (10), wherein the adapter piece (20) has a second receptacle (21) for inserting a connecting pipe (102) with a second outer diameter (34) and wherein the second receptacle (21) is located inside the housing (2) when the adapter piece (20) is inserted.