Pneumatic Impact Tool Structure for Fuel Injector Disassembly
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Solution Overview
Problem
Conventional manual disassembly tools for fuel injectors are time and labor-consuming, requiring significant effort for disassembly operations.
Innovation Solution
A pneumatic impact disassembly tool utilizing an impact cylinder, separator, air conduit, and connection rod to generate a shock force for efficient disassembly, allowing for pneumatic operation and easy access to narrow spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual pulling operation is used to disassemble fuel injector, then the disassembly can be completed, but the operation is time and labor-consuming
Solution Approach 1:
The patent replaces the manual mechanical pulling operation with a pneumatic impact system. A pneumatic impactor delivers controlled impact forces to the connection rod, which transmits these forces to the fuel injector mounting. This substitution of manual mechanical effort with automated pneumatic impact significantly reduces operation time and increases disassembly efficiency.
Solution Approach 2:
The patent employs a pneumatic impactor that uses compressed gas to generate rapid impact forces. The pneumatic system converts gas pressure into mechanical impact motion, delivering high-force impulses to the connection rod. This pneumatic mechanism enables rapid, high-force disassembly operations without manual effort, directly addressing the productivity and time loss issues.
2Adaptability or versatility
If conventional disassembly tool structure is used, then the tool can function, but it is difficult to access long and narrow spaces
Solution Approach 1:
The patent implements a nested structure where the connection rod is inserted through the air conduit, and the mounting member is attached to the connection rod. This telescopic, nested arrangement allows the tool to be compact for storage and transport while extending to reach into long and narrow spaces during operation, thereby improving accessibility without sacrificing structural integrity.
Solution Approach 2:
The patent employs a dynamic, extendable structure where the connection rod can be inserted and extended through the air conduit to reach mounting locations deep within narrow spaces. The tool transitions from a compact state to an extended operational state, enabling access to confined areas while maintaining structural coherence throughout the extension process.
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
Enhances disassembly efficiency, reduces manual labor, and improves flexibility and precision in disassembly operations, particularly in confined spaces.
Implementation Method 1
When the air conduit inputs a gas, the impact cylinder generates a sliding shock back and forth between the air conduit and the connection rod
Data Source
AI summary
A pneumatic impact disassembly tool includes an impact cylinder, a separator disposed in the impact cylinder to divide it into a first and a second chamber, an air conduit, an air inlet switch, and a connection rod. The separator has an air chamber in communication with the first and the second chambers through a first and a second air ducts. The air conduit passes through the impact cylinder to be connected with the separator and communicates with the air chamber. The air inlet switch is coaxially connected with the air conduit and controls the gas entry into the impact cylinder. The connection rod passes through the impact cylinder to be coaxially connected with the air conduit. When the air conduit inputs a gas, the impact cylinder generates a sliding shock back and forth between the air conduit and the connection rod for pneumatic impact disassembly.