Springless Trigger Mechanism for Reliable Insect Projectile Firing
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Solution Overview
Problem
Existing insect control devices require close proximity to insects, involve chemical residues, or are complex in design, posing issues of skill, safety, and environmental impact.
Innovation Solution
A simple trigger mechanism using only a trigger and cocking lever, mounted rotatably, with a housing design that ensures functionality without springs, allowing for a compact, easy-to-use device that fires projectiles at insects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mechanical assemblies with multiple spring elements and levers are used, then the device can achieve reliable triggering functionality, but the device complexity increases and manufacturing cost rises
Solution Approach 1:
The patent extracts and eliminates unnecessary spring elements and complex lever mechanisms from traditional triggering assemblies. By removing these redundant components and retaining only the essential trigger and cocking lever elements, the invention achieves reliable triggering functionality with significantly reduced mechanical complexity.
Solution Approach 2:
The simplified trigger mechanism is designed to be self-sufficient, where the trigger and cocking lever work together through their geometric arrangement and forming elements alone, without requiring additional spring-loaded components or complex auxiliary mechanisms to ensure proper operation.
2Reliability
If spring-loaded components are included in the actuation mechanism, then the triggering action can be ensured, but the manufacturing cost and complexity increase
Solution Approach 1:
The invention explicitly removes spring-loaded components from the actuation mechanism. The trigger and cocking lever are designed to function through their geometric arrangement and forming elements alone, eliminating the need for springs and associated manufacturing processes.
Solution Approach 2:
The actuation mechanism is segmented into exactly two functional parts: the trigger and the cocking lever. This segmentation eliminates unnecessary components and focuses only on the essential elements required for triggering action, simplifying manufacturing.
3Ease of manufacture
If a simple actuation mechanism with only two parts is used, then the manufacturing cost is reduced and complexity is minimized, but ensuring reliable functionality becomes more difficult
Solution Approach 1:
The trigger and cocking lever are designed with specific forming elements at critical locations that ensure proper engagement and functional reliability. The local geometric features of these two components are optimized to provide the necessary mechanical interaction without requiring additional parts.
Solution Approach 2:
The trigger and cocking lever utilize asymmetric geometric arrangements and forming elements that ensure unidirectional engagement and reliable actuation. The asymmetric design prevents unintended activation while ensuring proper triggering functionality.
Data Source
Figure 1~2
Figure 3a~3b
Figure 4~5
AI summary
A device (100) is specified, comprising a housing (15) with a first area (28) in which a release mechanism (110) with a trigger (1) and a cocking lever (2) is rotatably mounted, with a second area (29) in which a projectile (30) and a spring element (3) are arranged longitudinally movable in a barrel (27), wherein the insertion of the projectile (30) cocks the spring element (3) and activates the release mechanism (110), and the actuation of the trigger (1) in the activated state releases the release mechanism (110), thereby relaxing the spring element (3) and accelerating and firing the projectile (30).