RU2381433C2 - Cartridge extractor - Google Patents

Abstract

FIELD: weapons.

SUBSTANCE: cartridge extractor arranged on carriage-type "bullpap" design automatic rifle comprises swinging element fitted inside breech frame to direct extracted cartridge case into guide stock and outside when bolt carrier moves. Plate spring that makes cartridge extractor mechanism is fastened to breech frame bottom. Said spring is arranged behind the cartridge chamber that is parallel to the rifle guide stock and intended for cartridge case extraction. Note that chamber neck is arranged between two parallel pistol handles of the rifle. Note also that said plate spring seats opposite, relative to the rifle guide stock lower opening, the small-capacity box-like magazine arranged on breech frame side wall.

EFFECT: higher efficiency.

3 cl, 2 dwg

Description

The invention relates to weapons, in particular to cartridge ejectors, and can be used in individual small arms gun-type guns made in a bullpup layout having a lower longitudinal window serving for lower ejection of cartridges, the neck of which is placed between parallel arms of the gun .

Known cartridge ejector (magazine "Kalashnikov", No. 5/2007, p.6-12, see the description of the 5.45-mm gun-machine AN-94, designer Nikonov G.N., "IZHMASH", Russia) containing an element , which serves to influence the bottom of the cartridge case that has already been removed from the chamber with the possibility of ejecting the latter out through the window of the guiding bed of this weapon when the bolt of the latter is rolled back.

The disadvantage of this device is its inadequacy for the gunpowered weapon configuration "bullpup", because ejection of the sleeve in the lateral direction makes it possible to fire only with the right-hand gunner.

Known cartridge ejector (magazine "Kalashnikov", No. 1/2004, p.10-16, see the description of the 5.45 mm experimental gun-mounted machine TKB-0146, designer I. Stechkin, TsKIB SOO, Tula, Russia), which is the closest analogue in technical essence to the claimed object, because it is placed on a cassette machine made in a bullpup layout and contains an internal swinging element that is installed inside the receiver of a movable firing unit with the possibility of guiding the cartridge case already removed from the cartridge chamber into the sleeve channel, which is parallel to the longitudinal axis of this weapon with the possibility of moving the ejected sleeves through the reciprocating movements of the bolt of the latter.

The disadvantage of this device is the ability to move ejected cartridges only to the muzzle of this weapon, which makes it impossible to use it on a bullpup layout gun with a lower longitudinal window, which serves for lower ejection - ejection of cartridges, which is placed between two parallel pistol arms weapons having a protective neck.

The technical task is to adapt the cartridge ejector to a bullpup layout monitored machine gun having a further longitudinal window for ejecting cartridges, the neck of which is placed between two parallel pistol arms of this weapon.

The technical result is achieved by the fact that the cartridge ejector is placed on a bullpup layout monitor and contains a swinging element, which serves to direct an already extracted sleeve into the window of the guide bed of the weapon, which is carried out when moving the slide frame, and this swinging element is connected to the receiver of a movable firing unit , also having a window for bringing out the said sleeve or cartridge when this weapon is discharged, while there is a cartridge delivery mechanism of the ejector, a leaf spring located on the bottom of the receiver with the possibility of leading to the last muzzle free end of the spring, carried out by rolling to the chamber of the bolt frame, and this leaf spring is placed behind the chamber, parallel to the edge of the lower longitudinal window on the guide bed of the weapon serving for ejecting shells, the neck of which is placed between two parallel pistol arms of the weapon, and said leaf spring is also sized it is opposite to the permanent box store of small capacity on the side of the receiver’s receiver’s receiver with the possibility of directing the ejected sleeve into the aforementioned lower longitudinal window by rolling back the bolt frame and exposing the bottom of this sleeve to the upper reflective protrusion located on the receiver above the weapon shutter while sliding the ejected sleeve along the edge of the leaf spring, which faces the said constant spacing Nome store arms, moreover, this guide plate spring is a double spring, which is rigidly connected to the guide bed bottom through rivet connection.

Distinctive features in the claimed combination show a new property - the possibility of introducing into the mechanism of the cartridge ejector a carriage-controlled bullpup layout machine having a lower ejection window, a leaf spring serving to guide the sleeve thrown down into the window. Moreover, this guide sleeve element is made with the possibility of its automatic bringing into working position, i.e. moving to the ejected sleeve of the muzzle end of the said leaf two-feather spring, which is carried out with each rollback (or manual removal) of the bolt shield of the weapon.

The technical result is ensured by the fact that the introduction of a spring element, used to guide the ejected sleeve into the lower longitudinal window of the guiding bed of the weapon, into the mechanism of the cartridge ejector of the carriage of the bullpup layout allows the protective neck of this window to be placed between two parallel pistol arms of the weapon, the width of this window having the minimum required size, allows you to save the transverse dimension of such weapons (the distance between its parallel handle i) within a reasonable range (according to preliminary data of 125 mm with a width of each handle 23 mm), which allows the bullpup assembly weapon to be adapted for firing from both hands without complicating the overall design of the latter, by introducing a complex ejector mechanism, such as that used for the prototype this device (TKB-0146). Moreover, this cartridge ejector, which does not increase the number of weapon parts, when the latter is completely disassembled, is proposed for use in the project of a gun-mounted assault rifle, the basic mechanisms of which are the automatic locking device for the rear position of the firing unit (application for invention No. 2007130418) and the two-stage ammunition supply device previously declared by the author for invention No. 2007137281), providing the possibility of ejecting sleeves through said lower longitudinal window of the guiding bed of weapons in the mode firing a "fixed" line during preliminary advance movement inside the last movable firing unit of a given weapon.

The invention is illustrated by drawings, in which Fig. 1 shows a general view and operation of a cartridge ejector, a side view, on the right, in Fig. 2 is the same, in a sectional view A-A, wherein the firing unit of the weapon is in its forward position inside the guide bed.

The cartridge ejector contains a two-leaf leaf spring 1 (Fig. 1, 2), a reflective protrusion 2, a rivet connection 3 of the spring 1 with the receiver 4, a longitudinal groove 5 of the shutter 6 for the protrusion 2, the chamber 7, the lower window 8 of the receiver 4, the lower longitudinal a window 9 in the bottom of the guide bed 10 of the weapon, a protective neck 11 and two parallel pistol arms 12 of the latter, a bolt frame 13, an upper bend 14 of the receiver wall 4, a cartridge extractor 15, a side box magazine 16 and its bends 17, cartridges (or cartridges ) 18, slot 19 atvornoy weapons frame.

The cartridge ejector works as follows. When rolling back the bolt frame 13 when firing (or manually retracting the latter), the cartridge extractor 15 retrieves the sleeve 18 (or the cartridge when manually retracting the bolt frame when the weapon is unloaded) from the chamber 7, and when the bolt rolls back, the muzzle end of the spring 1 facing the chamber is released and shifting upward, it is automatically installed with its edge along the lateral surface of the sleeve 18, on the bottom of which, upon completion of the recoil of the shutter frame, a reflecting protrusion 2 having an upper position relative to the horizontal plane the bones of the shutter 6 with the placement in the longitudinal groove 5 of the latter, as well as on the upper bend 14 of the wall of the receiver 4. In this case, the sleeve 18 is sent to the lower window 8 of the receiver, communicating with another lower longitudinal window 9, available in the bottom of the guide bed 10 of the weapon passing between the edge of the muzzle of the two-leaf leaf spring 1 and the bends 17 of the said lateral box-shaped magazine 16 of the weapon. This eliminates lateral deviation of the ejected sleeve 18 (or cartridge) with the possibility of their passage through the lower longitudinal window 9 of the weapon having a minimum width, for example, with a sleeve diameter of about 10 mm, the width of this window is 12 mm. In addition, due to the latter, the likelihood of contamination of the internal mechanisms of this weapon is reduced. When assembling the latter, when installing the bolt frame 13 inside the receiver 4, the aforementioned free end of the said two-feather spring 1 is discharged to the bottom of the receiver 4 of the movable firing unit of this weapon.

The claimed device (cartridge ejector) is included in the group of proposed inventions, previously declared by the author as a project of a carriage automaton (eight applications are included in the basic version of the latter), which is equipped with a permanent intermediate store of small capacity, automatically charged from the lower main store, stationary when firing, and the automatic lock of the rear position of the firing unit available on this weapon, when manually turned off, it automatically moves forward Inside the guide bed of spring-loaded firing unit with pre-loaded intermediate magazine. Due to this, the recoil length of the firing unit is significantly increased in the production of a fixed burst of three to four shots using a conventional standard cartridge with a metal sleeve.

Claims (3)

1. Shooting guns of the “carriage-assault rifle” class in the “bullpup” arrangement, containing two pistol grips, a box, a receiver, a bolt frame, a movable firing unit, a cartridge ejector, which contains a swinging element in the form of a sleeve ejection component that is located at the chamber inside the receiver of the movable firing unit of the weapon with the possibility of directing the ejected sleeve into the corresponding window of the receiver, which is in communication with the window of the bed, which serves as a bunker the removal of said sleeve, carried out during the longitudinal movement of the bolt carrier, characterized in that the cartridge ejector is provided with a leaf spring placed longitudinally and sideways at the lower relative to the horizontal plane of the receiver chamber window communicating with the lower longitudinal window made in the bottom of the bed, with placement a protective neck of a given longitudinal window between two pistol grips, the leaf spring being connected to the bottom of the receiver with the possibility of retraction the last of its muzzle, facing the chamber end, carried out by means of the bolt frame, when it is rolled to the chamber and the said muzzle end of the leaf spring is released when the bolt frame rolls back with the possibility of displacement of the latter to the ejected sleeve and placement of the edge of the muzzle end of the leaf spring on the side surface of the said sleeves, the ejection of which is carried out by means of the upper relative to the horizontal plane of the shutter of the reflective element placed on the weapon with the possibility of impact on the bottom of the sleeve held on the bolt by the cartridge ejector during the rollback of the bolt, the leaf spring being placed opposite to the lower window of the receiver to a permanent box magazine of small capacity, which is mounted horizontally on the side wall of the receiver of a movable firing unit that can be preliminarily moved forward inside its guide bed to produce a fixed burst of three or four shots at. 2. The weapon according to claim 1, characterized in that the leaf spring is made in the form of a "two-feather" spring, one-piece connected to the bottom of the receiver of the firing unit by means of a rivet connection. 3. The weapon according to claim 1, characterized in that the reflective element is made in the form of a reflective protrusion rigidly connected to the horizontal bend of the receiver wall with the placement of this reflective protrusion vertically and above the horizontal plane of the rotary shutter and with the possibility of placing its downward facing end in the longitudinal the groove of the shutter and in the corresponding groove of the slot of the shutter frame, and this reflective protrusion is placed opposite to the spring loaded cartridge selector on the shutter to the aspirator.

Images