Plastic Receiver Structure for PCP Guns
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Solution Overview
Problem
Existing pre-charged pneumatic gun receivers made of metal are costly, labor-intensive to produce, and heavy, while plastic receivers for smaller firearms like pistols face production difficulties due to the need for precise formation of connection points, making them unsuitable for the market.
Innovation Solution
A plastic receiver produced via plastic injection or 3D printing with pre-formed contact points for gun elements, eliminating the need for drilling and allowing for precise hole, slot, and cavity formation during manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal materials are used to produce the receiver, then the strength and durability are improved, but the manufacturing cost and labor intensity increase significantly
Solution Approach 1:
The patent replaces expensive metal receivers with plastic receivers that can be manufactured more economically through injection molding or 3D printing. The plastic material allows for cost-effective production while maintaining sufficient strength for the application, eliminating the need for costly metalworking processes.
Solution Approach 2:
The patent changes the material parameter from metal to plastic, which fundamentally alters the manufacturing process from subtractive (drilling, machining) to additive or mold-based (injection molding, 3D printing). This parameter change resolves the contradiction by enabling easier manufacturing while maintaining adequate strength through proper plastic material selection and design.
2Strength
If metal materials are used to produce the receiver, then the structural integrity is improved, but the weight of the gun increases significantly
Solution Approach 1:
The patent utilizes plastic as a composite or alternative material to traditional metal. Modern engineering plastics provide a favorable strength-to-weight ratio, allowing the receiver to maintain structural integrity while significantly reducing the overall weight of the gun compared to metal constructions.
3Weight of moving object
If plastic materials are used for pistol receivers, then the weight is reduced, but the manufacturing precision and production difficulty increase due to smaller size
Solution Approach 1:
The patent incorporates contact points, holes, slots, and cavities directly into the plastic receiver during the initial molding or 3D printing process. This preliminary formation of all necessary features eliminates the need for subsequent precision machining or drilling operations, thereby achieving the required manufacturing precision without the difficulties associated with post-processing small plastic parts.
Solution Approach 2:
The patent merges the formation of contact points and structural features into a single integrated manufacturing step. By combining the creation of holes, slots, cavities, and external contact surfaces into the mold design or 3D printing process, the patent achieves high precision without the cumulative errors and difficulties of multiple separate operations.
4Manufacturing precision
If contact points are formed on plastic receivers through traditional machining, then the connection accuracy is improved, but the production time and complexity increase
Solution Approach 1:
The patent forms all contact points, mounting holes, slots, and cavities as integral features during the plastic molding or 3D printing process itself. This preliminary creation of all necessary connection points eliminates the need for subsequent drilling, tapping, or machining operations, thereby maintaining high accuracy while dramatically improving production efficiency and reducing manufacturing complexity.
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 plastic receiver is easy to manufacture, lightweight, and efficiently forms connection points without additional machining, enabling mass production and suitability for smaller firearms.
Implementation Method 1
Holes, slots and/or cavities forming the contact points on the receiver of the present invention can be produced in a solid manner by plastic injection or 3D printer method
Implementation Method 2
Holes, slots and/or cavities forming the contact points on the receiver of the present invention can be produced in a solid manner by plastic injection or 3D printer method
Data Source
AI summary
The subject of the present invention relates to a plastic receiver formed from plastic and plastic type materials by plastic injection or 3D printer method, which enables the preloaded pneumatic gun elements to be connected thereon.