Adjustable AK Fire Control Mechanism for Trigger Safety Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fire control mechanisms in firearms lack precision, accuracy, and controllability, necessitating the need for improved fire control arrangements.
Innovation Solution
A fire control mechanism comprising a rotatable hammer, trigger, and safety mechanism with adjustable interference features, including threaded portions and bevels, to enhance alignment and operation control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional fire control mechanisms are used, then the structure is simple, but precision and accuracy are insufficient
Solution Approach 1:
The fire control mechanism is divided into distinct functional segments: the trigger assembly with trigger bar and trigger spring, the hammer assembly with hammer spring, and the safety assembly with safety bar and safety spring. Each segment can be independently adjusted and maintained, allowing precision improvement without proportionally increasing overall complexity.
Solution Approach 2:
The mechanism incorporates adjustable elements including the safety bar position, trigger bar engagement points, and spring tensions. These dynamic adjustment capabilities allow the system to be tuned for different precision requirements while maintaining a relatively simple base structure.
2Ease of operation
If traditional fire control mechanisms are used, then the device is simple, but controllability is poor
Solution Approach 1:
The trigger bar acts as an intermediary element between the trigger and the hammer, providing a controlled transmission path for the firing action. The safety bar serves as an intermediary control that can engage or disengage the trigger mechanism, enhancing controllability without requiring complex electronic or mechanical systems.
Solution Approach 2:
The mechanism allows dynamic adjustment of the safety bar position and trigger bar engagement points, enabling the operator to control the firing sequence and safety engagement according to operational requirements, thereby improving controllability.
3Reliability
If the safety mechanism interferes with trigger rotation, then safety is improved, but operational smoothness may be reduced
Solution Approach 1:
The safety bar is positioned to engage with the trigger bar in advance of the firing action, preventing accidental discharge before the operator intends to fire. This preliminary safety engagement can be smoothly disengaged when needed, maintaining both safety and operational smoothness.
Solution Approach 2:
The safety function is segmented into a separate safety bar assembly with its own spring and engagement points, rather than being integrated into the trigger mechanism itself. This allows the safety function to operate independently and smoothly engage/disengage without interfering with the trigger's rotational movement when firing is intended.
Data Source
AI summary
In some embodiments, a fire control mechanism comprises a hammer, a trigger and a safety. The hammer is rotatable about a hammer axis. The trigger is rotatable about a trigger axis and arranged to contact the hammer. The safety is arranged to interfere with rotation of the trigger. The safety comprises a second portion moveable with respect to a first portion.