RU200976U1 - MACHINE GUN - Google Patents

Abstract

This utility model relates to small arms and melee weapons. The technical result consists in increasing the combat efficiency due to the use of a new automation scheme based on locking the barrel bore according to the principle of "tentacles" and the use of electric ignition of the cartridge. The modernized machine gun consists of a barrel with combat hooks, a receiver with protrusions, a bolt with two electrical contacts and an ejector located on its mirror, a rocker arm, a return spring, a trigger, a power source, while the combat hooks of the barrel are made with the ability to engage with the bolt and locking the barrel bore according to the principle of "tentacles", and the machine gun is made with the possibility of electrical ignition of the cartridge through electrical contacts. 5 ill.

Description

This useful model refers to small arms and melee weapons, designed to defeat enemy personnel and fire weapons. It is a group weapon and is installed mainly in the towers of armored personnel carriers and infantry fighting vehicles, designed to support the infantry.

Currently known weapons of this class, used in the towers of armored personnel carriers and infantry fighting vehicles. These are 2A70, 2A72, 2A42, KPVT.

These samples have several disadvantages:

1. The complexity of the design, disassembly, assembly;

2. The complexity of the firing mechanism;

3. The recoil of the weapon negatively affects both accuracy and the shooter or machine. There is a need to design various buffer devices and shock absorbers;

4. The wear of the drummer's bike leads to the disabling of the weapon and carrying out routine repairs, which will take time. That is, it is impossible to repair weapons in combat conditions (NSV, KPVT);

5. Lack of prospects for further improvement.

All this leads to a decrease in the effectiveness of shooting and, as a result, an unfulfilled combat mission. Thus, the relevance of the development of this utility model is determined. To solve this problem, a utility model "Machine gun" is proposed, which includes a barrel with combat hooks, a receiver with protrusions, a bolt with two electrical contacts located on its mirror and an ejector, a rocker arm, a return spring, a trigger, a power source, while the combat hooks of the barrel made with the possibility of engaging with the bolt and locking the bore according to the principle of "tentacles", and the machine gun is made with the possibility of electric ignition of the cartridge through electrical contacts.

The purpose of the utility model is to increase the combat effectiveness of group weapons and machine guns.

The advantages of the utility model shown in FIG. 1 are as follows:

1. Simplicity of construction:

2. Simplicity of the ignition mechanism;

3. Prospects for further improvement;

4. Increase in combat effectiveness with an increase in the rate of fire due to the use of the recoil of the barrel with its short stroke.

The difference between this utility model and its previous counterparts is that a new automation scheme is used, based on locking the barrel bore with hooks according to the principle of "tentacles" and electric ignition of the cartridge.

Operating principle:

The shooter moves the bolt 1 to the rear position, and he gets into a combat platoon, i.e. it does not return back to the breech of the barrel. When you press the trigger or the button, the bolt is released from the combat platoon and sends cartridge 4 into the chamber. With its front flange, it pushes the combat hooks of the barrel 2, and they fall into the grooves on its body. Thus, the barrel bore is locked. The contacts located on the shutter mirror come into contact with the contacts on the igniter cap, a shot occurs. During the movement of the bullet 9 along the barrel bore 5, the powder gases are discharged through the bottom of the sleeve 8 (a design is allowed in which the powder gases act on the muzzle of the barrel), and since the barrel 5 is rigidly fastened to the bolt, with the help of combat hooks, they start together move to the rearmost position. Having reached the protrusions in the receiver 3, the combat hooks move apart, thereby unlocking the bore 5. Under the action of the return spring 6, the barrel 5 returns to its original position, and the bolt continues to move to the rear position by inertia. If necessary, you can use boosters between the barrel and the bolt. When moving backward, the bolt with its part rests against one shoulder of the rocker arm 7, and with its other shoulder, the rocker arm 7 removes the spent cartridge case from the receiver. The shutter has two contacts 11 on the shutter mirror for igniting the charge and an ejector 10. Also, the weapon has a rechargeable battery 12 for igniting the powder charge using the igniter's electric capsule. The shutter becomes on the sear and when you press the release lever or the button again, the process starts over. In addition, this utility model allows you to reduce the recoil momentum without the use of additional shock absorbers.

Brief Description of Drawings

Figure №1 "General view of the machine gun"

Figure No. 2 "Scheme of machine gun automation at the moment the cartridge is sent into the chamber": 1 - bolt, 2 - live hooks, 3 - protrusions in the receiver, 4 - cartridge

Figure No. 3 "Scheme of automation at the moment of locking the barrel bore": 4 - cartridge, 5 - barrel, 6 - barrel return spring.

Figure 4 "Scheme of automation at the moment of the shot": 3 - protrusions in the receiver, 5 - barrel, 6 - barrel return spring, 7 - sleeve reflector, 8 - sleeve, 9 - bullet, 12 - battery.

Figure 5 "General view of the shutter mirror": 10 - ejector, 11 - electrical contacts.

This useful model can be used as the main weapon in infantry fighting vehicles, which will increase its combat capabilities.

Sources of information

Kirillov V.M. "Theory and calculation of automatic weapons" PVAIU 1973

A.V. Shemanaev “Design of automatic weapons. Textbook for universities "Penza PAII 2014

Galash Yu.F. "Design of small arms, artillery and missile weapons", Penza PFVA MTO 2013

Claims (1)

A machine gun consisting of a barrel with combat hooks, a receiver with projections, a bolt with two electrical contacts and an ejector located on its mirror, a rocker arm, a return spring, a trigger, a power source, while the combat hooks of the barrel are made with the ability to engage with the bolt and locking the barrel bore according to the principle of "tentacles", and the machine gun is made with the possibility of electrical ignition of the cartridge through electrical contacts.

Images