Dual-Cylinder Gas Spring Fastener Tool With Adjustable Output Energy
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Solution Overview
Problem
Traditional gas spring nail ejectors have fixed output energy, leading to insufficient penetration force for soft materials, excessive force for hard materials, energy waste, and reduced tool service life due to impact damage.
Innovation Solution
An output energy adjustable gas spring fastener drive tool with a dual-cylinder design and pressure regulating device, featuring a one-way channel and adjustable check valve, allows precise control of energy output through mechanical, magnetic, or electromagnetic means, and includes a latch mechanism for safety and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-cylinder structure with fixed compressed gas is used, then the tool has a simple structure, but the output energy is fixed and cannot be adjusted for different materials
Solution Approach 1:
The single cylinder is divided into two separate cylinders: a first cylinder for storing compressed gas and a second cylinder for driving the piston. This segmentation allows the compressed gas to be transferred controllably between cylinders, enabling energy output adjustment while maintaining structural simplicity.
Solution Approach 2:
A pressure regulating device with adjustable check valves is introduced as an intermediary mechanism between the two cylinders. This mediator controls the flow of compressed gas, enabling precise adjustment of output energy without complicating the overall cylinder structure.
2Device complexity
If fixed output energy is used, then the tool structure is simple, but energy waste occurs when driving short nails with maximum energy output
Solution Approach 1:
The system transitions from a static, fixed-energy design to a dynamic, adjustable-energy design. The pressure regulating device allows real-time adjustment of gas flow and pressure, enabling the tool to match energy output to the actual driving requirements and minimize energy waste.
Solution Approach 2:
The output energy parameters (pressure, flow rate) are made changeable through the adjustable check valves and pressure regulating device. By varying these parameters according to nail length and material hardness, the system optimizes energy utilization and reduces waste.
3Force
If fixed maximum energy output is used, then the penetration force is sufficient for hard materials, but impact damage occurs to tool components
Solution Approach 1:
The system allows dynamic adjustment of energy output parameters to match the actual driving requirements. For soft materials, lower energy settings prevent excessive impact force that would damage components, while still providing sufficient penetration force when needed for harder materials.
4Use of energy by moving object
If adjustable pressure regulation is implemented, then energy output can be optimized, but the device complexity increases
Solution Approach 1:
The pressure regulation function is extracted as a separate, modular pressure regulating device with adjustable check valves. This independent module can be adjusted without affecting other components, and its modular design minimizes the overall structural complexity while enabling precise energy optimization.
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 tool provides flexible energy adjustment, optimizing energy utilization, reducing impact damage, and extending tool lifespan while ensuring safe and reliable operation.
Implementation Method 1
a first spring arranged at the end of the first valve core; the first adjusting knob is driven by an external force to adjust and compress the first spring, thereby changing the cracking pressure exerted by the first valve core relative to the first valve body
Implementation Method 2
the one-way channel is arranged between the first cylinder barrel and the second cylinder barrel and used for the compressed gas in the first cylinder barrel to flow towards the second cylinder barrel
Data Source
AI summary
The invention discloses an output energy adjustable gas spring fastener drive tool, comprising a housing; a control circuit board, which is arranged in the housing and used for receiving and outputting signals; a trigger, which is arranged on the housing and used for the operation of the drive tool; a first cylinder block assembly, which comprises a first cylinder barrel for storing compressed gas, a piston arranged in the first cylinder barrel and a drive blade arranged on the piston; a second cylinder barrel, which is used for storing compressed gas; a pressure regulating device, which comprises a one-way channel and an adjustable check valve; the one-way channel is used for the compressed gas in the first cylinder barrel to flow towards the second cylinder barrel; the adjustable check valve is used for the compressed gas in the second cylinder barrel to flow towards the first cylinder barrel.