Double-Cylinder Nail Gun Air Intake Without Drilled Holes
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Solution Overview
Problem
Existing double-cylinder nail guns have a complex manufacturing process and high costs due to the need for drilling holes in the cylinders, which can also lead to blockages.
Innovation Solution
A nail gun design with a cylinder assembly featuring a first cylinder and a second cylinder, where the first piston forms an air intake passage without drilling holes, using sealing members and air intake passages to facilitate gas flow, and a communication member to connect the cylinders, enhancing structural strength and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If holes are drilled in the cylinders to create air passages, then gas flow is enabled, but structural strength decreases and manufacturing complexity increases
Solution Approach 1:
The invention extracts the air passage function from the cylinder body by relocating it to the piston component. The air intake passage is formed within the piston structure itself, eliminating the need to drill holes through the cylinder walls while maintaining the gas flow function.
Solution Approach 2:
The air intake passage is nested within the piston structure. The piston contains an internal cavity that forms the air passage, allowing the gas flow channel to be integrated into the moving component rather than being part of the stationary cylinder body.
2Ease of manufacture
If holes are drilled in the cylinders to create air passages, then gas flow is enabled, but manufacturing cost increases
Solution Approach 1:
The air passage function is extracted from the cylinder body and relocated to the piston. This eliminates complex drilling operations on the cylinder and simplifies the manufacturing process by concentrating the passage formation within the piston component.
Solution Approach 2:
The piston structure is designed to combine multiple functions: it serves as both the moving seal component and the air passage carrier. By merging the air channel formation into the piston design, the overall manufacturing complexity is reduced.
3Reliability
If holes are drilled in the cylinders, then air intake is enabled, but hole blockages may occur
Solution Approach 1:
By extracting the air passage from the cylinder body and placing it in the piston, the invention eliminates the vulnerability of fixed cylinder holes to blockage. The piston's movement and sealing mechanism naturally prevent debris accumulation that would block static holes.
Solution Approach 2:
The air passage is made dynamic by being part of the moving piston rather than a static cylinder feature. The piston's reciprocating motion prevents debris accumulation and blockage that would occur in fixed holes, enhancing 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
The design improves structural integrity, reduces manufacturing costs, and prevents hole blockages while maintaining efficient nail firing cycles.
Implementation Method 1
the first piston is capable of reciprocating along the direction of the first axis in the first cylinder cavity. The first piston is provided with an air intake passage, where an external gas outside the cylinder assembly is capable of entering the first cylinder cavity through the air intake passage
Implementation Method 2
the cylinder assembly further includes a communication member for communicating with the first cylinder cavity and the second cylinder cavity, where a gas in the first cylinder cavity can enter the second cylinder cavity through the communication member
Data Source
AI summary
A nail gun includes: a housing; a cylinder assembly at least partially disposed in the housing; a magazine assembly for storing nails; and a firing assembly used for striking a nail and at least partially disposed in the cylinder assembly. The cylinder assembly includes a first cylinder and a second cylinder. The first cylinder includes a first cylinder and at least part of the second cylinder is disposed in the first cylinder cavity. The nail gun further includes a first piston, disposed at least in part in the first cylinder cavity, capable of reciprocating along the direction of the first axis in the first cylinder cavity. The first piston is configured to form an air intake passage with part of the outer wall of the second cylinder, and a gas is capable of passing through the air intake passage and entering the first cylinder cavity.