Elastic turning case-ejecting mechanism

Abstract

The invention provides an elastic turning case-ejecting mechanism designed specially for an air-guide butt-free structure rifle. The elastic turning case-ejecting mechanism comprises an air-guide piston, a case-ejecting tube, a reset spring, a U-type deflector rod, a deflector rod sear, a bolt distance limiting gib and the like. The principle of the elastic turning case-ejecting mechanism is that the characteristic that a bolt is driven to retreat as gas in an air guide pipe pushes a piston rod, and can be reset automatically is adopted, and the specially-designed case-ejecting tube is mounted at the rear of the piston rod and is mutually matched with other accessories, so that turning case ejecting can be realized under single-shooting and continuous-shooting states. The invention aims to provide a practical and reliable turning case-ejecting scheme for the butt-free structure rifle and solve the problem of structural contradictions in the case-ejecting design of the butt-free rifle.

Description

Technical field: [0001] The invention provides an elastic direction-changing shell ejection mechanism specially designed for the air-guiding type bullpup-less structure rifle. Background technique: [0002] Bullpup rifles have always been troubled by problems such as gunpowder smoke choking the nose, affecting sight, and being unusable by left-handers due to the proximity of the ejection position to the cheek when the traditional design is used. Though there are bullpup rifles of multiple front shell ejection designs in the world at present, all can't fully release the bullet shells at once like traditional rifles. Instead, use the action of the bolt to re-enter to first push the shell case into the ejection barrel, and then rely on the second round to squeeze out the previous shell case that was stuck in the barrel. If a dud is encountered in the continuous shooting state, it will There is a danger of high temperature explosion due to retention in the cylinder. There are ...

AI Technical Summary

Problems solved by technology

[0002] Bullpup rifles have always been plagued by problems such as gunpowder smoke choking the nose, affecting sight and being unusable by left-handers due to the ejection position being close to the cheek when the traditional design is used.

Although there are many kinds of bullpup rifles with front ejection design in the world at present, none of them can completely push out the cartridge cases at one time like traditional rifles.

Instead, use the action of the bolt to re-enter to first push the shell case into the ejection barrel, and then rely on the second round to squeeze out the previous shell case that was stuck in the barrel. If a dud is encountered in the continuous shooting state, it will There is a danger of high temperature explosion due to retention in the cylinder

There are still many structural contradictions such as complex structure and poor reliability, such as the Belgian FN2000 assault rifle, etc.

[0003] At present, my country's bullpup rifles still use the traditional ejection design, and there is no practical front ejection scheme

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