Union Bolt Resonance Chamber for Fluid Pressure Noise Reduction
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Solution Overview
Problem
Existing union bolts generate pulsating noise due to abrupt changes in fluid pressure, and existing noise reduction methods like silencers are not feasible in compact structures or require manual fastening, compromising workability and space utilization.
Innovation Solution
A union bolt design incorporating a mounting chamber or resonance chamber with a silencer or partition wall to reduce noise through resonance, allowing integration with power tools and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a cavity-type silencer is mounted through conduit expansion, then fluid pressure noise is reduced, but it cannot be implemented in compact structures where components are tightly packed
Solution Approach 1:
The silencer is nested within the hollow flow path of the union bolt itself, utilizing the existing internal space of the bolt. This eliminates the need for external mounting space while maintaining the noise reduction function, making it suitable for compact structures where components are tightly packed.
Solution Approach 2:
The silencer function is merged with the union bolt structure by forming the mounting chamber as an integral part of the bolt's hollow flow path. This combination eliminates the need for separate mounting locations and integrates noise reduction directly into the connection component.
2Object-affected harmful factors
If a separate silencer is mounted in a secured space through conduit branching, then fluid pressure noise is reduced, but it requires additional mounting space that may not be available
Solution Approach 1:
The silencer is nested within the hollow flow path of the union bolt, utilizing the existing internal space of the bolt. This eliminates the need for external mounting space while maintaining the noise reduction function.
Solution Approach 2:
The union bolt is designed to perform multiple functions: connecting flow paths and reducing noise. The hollow flow path serves both as the fluid passage and as the mounting chamber for the silencer, eliminating the need for separate mounting locations.
3Object-affected harmful factors
If a silencer is mounted on the top end of the union bolt through a separate port, then fluid pressure noise is reduced, but power tools cannot engage with the head portion for fastening
Solution Approach 1:
The silencer is positioned in a specific location within the hollow flow path that does not interfere with the head portion's engagement with power tools. The mounting chamber is formed in the connection portion rather than the head portion, preserving the hexagonal shape needed for tool engagement.
Solution Approach 2:
The union bolt is divided into distinct functional portions: the head portion for tool engagement, the connection portion for mounting the silencer, and the hollow flow path for fluid passage. This segmentation allows each portion to perform its specific function without interfering with others.
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 union bolt effectively reduces fluid pressure noise while maintaining assemblability and space efficiency, utilizing a silencer or resonance chamber to absorb noise via resonance, enhancing manufacturing and assembly ease.
Implementation Method 1
a mounting chamber that is formed to expand from the hollow flow path toward the head portion and is shaped to accommodate a silencer for reducing noise
Implementation Method 2
a resonance chamber that is formed in a direction from the hollow flow path toward the head portion to reduce noise
Data Source
AI summary
The present disclosure is directed to a union bolt for reducing fluid pressure noise. The union bolt according to the present disclosure has a mounting chamber capable of accommodating a silencer therein, and the silencer is mounted in the mounting chamber. According to the present disclosure, the union bolt contains the silencer therein, so that the noise caused by fluid pressure can be reduced and the assembly efficiency of a fluid pressure line can be improved.