Pressure Gauge Alignment Sleeve for Threaded Vessel Ports
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Solution Overview
Problem
Pressure gauges often suffer from inaccurate thread construction in pressure vessels, leading to misalignment and large reading errors when screwed to their limit positions due to poor construction precision.
Innovation Solution
A pressure measuring instrument design featuring a gauge body, connecting component with corotating first and second external thread sections, and a positioning sleeve that allows for accurate alignment and stabilization, along with a pushing component to transmit fluid pressure, and a leakage-stopping member to prevent fluid leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the pressure gauge is screwed to the limit position using traditional threading, then the assembly is simple, but the gauge surface and viewing direction are misaligned due to poor thread construction accuracy
Solution Approach 1:
The connection structure is divided into multiple segments: a first connecting member with first and second external thread sections, and a positioning sleeve. The first thread section engages with the pressure vessel while the second thread section engages with the positioning sleeve, allowing independent adjustment of each segment to achieve both secure connection and precise alignment.
Solution Approach 2:
The positioning sleeve acts as an intermediary component between the connecting member and the gauge body. It provides a mechanical interface that enables rotational adjustment and precise positioning of the gauge surface relative to the viewing direction while maintaining the threaded connection to the pressure vessel.
2Measurement precision
If the gauge is aligned precisely for accurate readings, then reading accuracy improves, but the assembly and disassembly process becomes more complex
Solution Approach 1:
The connection structure incorporates dynamic adjustment capability through the positioning sleeve, which can be rotated to adjust the gauge's angular position. This allows the gauge to be dynamically positioned for optimal viewing alignment while maintaining a secure fixed connection to the pressure vessel during operation.
Solution Approach 2:
The gauge connection structure is pre-configured with adjustment mechanisms during manufacturing, allowing users to perform alignment adjustments as a preliminary step during installation. This preliminary positioning action ensures accurate reading alignment is achieved before the gauge enters service, simplifying subsequent operation.
3Manufacturing precision
If the threaded section length is increased to improve alignment, then positioning accuracy improves, but the risk of reverse detachment increases
Solution Approach 1:
The connection structure merges multiple functions into a single integrated assembly: the first external thread section provides secure engagement with the pressure vessel, the second external thread section engages with the positioning sleeve for alignment, and the expansion section provides additional mechanical interference. This combination of features achieves both precise positioning and high anti-detachment reliability simultaneously.
Solution Approach 2:
The connecting member utilizes composite structural features with different functional zones: threaded sections for rotational engagement, smooth expansion sections for radial interference fit, and transition zones for stress distribution. This composite design allows each section to optimize its function while working together to achieve both alignment accuracy and connection reliability.
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 accurate and stable alignment of the gauge body for precise pressure readings and prevents reverse detachment of the gauge from the pressure vessel, ensuring reliable and accurate pressure measurement.
Implementation Method 1
the pushing component is configured to pass through the connecting component and be pushed by a fluid in the pressure-measuring hole to push against a pressurize unit of the gauge body
Implementation Method 2
the first connecting member comprises a first external thread section and a second external thread section connected to each other, and the first external thread section is used for a pressure-measuring hole threaded with a pressure vessel
Implementation Method 3
the positioning sleeve is configured to provide a force to the pressure vessel
Data Source
AI summary
The present disclosure provides a pressure measuring instrument which comprises a gauge body, a connecting component and a pushing component, the connecting component comprises a first connecting member and a positioning sleeve which are connected with each other to form a corotating relationship, and the first connecting member comprises a first external thread section and a second external thread section connected to each other, and the first external thread section is used for a pressure-measuring hole threaded with a pressure vessel, the second external thread section protrudes from the pressure-measuring hole, the positioning sleeve is rotatably screwed to the second external thread section, and the positioning sleeve is configured to provide a force to the pressure vessel, and the pushing component is configured to pass through the connecting component and be pushed by a fluid in the pressure-measuring hole to push against a pressurize unit of the gauge body.