RU2329449C1 - Breech assembly for multi-charge firearms - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: breech assembly of a multi-charge firearm comprising a barrel receiver, a breechblock and a charging handle. The breech assembly is provided with a spring and a spring guide that are pivotally mounted in a blind hole of the charging handle. The charging handle has a through groove for placing therein an axle attached to the breechblock, a locking lug for interacting with one formed on the receiver and a pad for interacting with one formed on the breechblock.

EFFECT: providing a simple and reliable breech assembly.

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Description

The invention relates to the field of arms and, in particular, to sites for locking multi-shot rifles and carbines.

A well-known knot for locking a five-shot fishing rifle TOZ-17 (see the catalog "Hunting and sports weapons", V / O RAZNOEXPORT, SSSR, Moscow, 1972, p. 102 ... 105). The longitudinally sliding bolt incorporates a combat larva and a bolt stem with a handle.

A disadvantage of the known device is that it takes a long time to reload a weapon. This is due to the fact that in order to reload the shooter it is necessary to make four movements (unlocking the bore occurs when the handle is rotated in the transverse direction, reloads when the handle is pulled back in the longitudinal direction and moves it forward, locking - when the handle is rotated in the transverse direction). All the manipulations that the shooter needs to perform when reloading a weapon reduce his attention and adversely affect the shooting results. In addition, the known device has a complex structure and its manufacture requires fitting operations.

The knot for locking the Bi-7-2 sports rifle is known (see M.E. Dragunov et al. “Sports weapons. Izhevsk weapons”, volume 2, Publishing House “Udmurt University”, Izhevsk, 2002, volume 2, p.128- 132), comprising a bolt connected to a connecting rod, a reload handle connected to a locking lever (crank), a lever latch and a connecting rod lock. The locking of the barrel of the known device is carried out using a crank-slide mechanism. In order to reload the weapon, it is necessary to pull the reload handle back (while the connecting rod will turn and take the bolt back), and then the reload handle must be vigorously returned to the front (the shutter will also come back forward under the action of the connecting rod).

A disadvantage of the known device, taken as a prototype, is that to reload the weapon the shooter needs to make two hand movements (pulling the reload handle back and returning it forward), this leads to a loss of time and to a decrease in the shooter's attention and ultimately reduces the shooting performance. In addition, the known device is complex in design and has a large number of parts, which greatly complicates the assembly / disassembly of the device and its cleaning.

The objective of the claimed invention is to create a simple and reliable locking unit, which allows to reduce the time required for reloading weapons, and to simplify the process of assembly / disassembly of the device and its cleaning for the consumer.

The problem is solved due to the fact that the site for locking multiple-charge firearms, containing a receiver, a bolt and a reload handle, is equipped with a spring and a guide spring pivotally mounted on the bolt, located in the blind hole of the reload handle, while the through reload handle has a through slot for in it an axis fixed to the bolt, a combat focus for interaction with a combat focus made on the receiver, and a platform for interaction with a platform made on the shutter.

The use of the claimed invention will significantly reduce the time to produce reloading non-self-loading weapons, and it (time reloading non-self-loading weapons) becomes comparable with the reload time of self-loading samples. Unlocking the barrel channel, reloading (reloading the cartridge into the chamber) and subsequent locking of the barrel channel with weapons with the declared locking unit takes place in one movement (unlocking takes place in one movement - the arrow moves the reload handle back, reloading and locking the barrel channel takes place without the participation of the shooter). In addition, reloading is simplified, so the consumer is not distracted during the shooting. The claimed device has a simple design that does not require fitting operations during its manufacture and simplifies the maintenance of weapons for the consumer (simplifies the assembly / disassembly and cleaning of the claimed device).

The invention is illustrated by drawings, which depict:

figure 1 is a General view of the device;

figure 2 - section aa in figure 1 (the position of the parts of the mechanism with the shutter in the front position, the bore is locked);

figure 3 - section aa in figure 1 (the position of the parts of the mechanism with the shutter in the front position, the barrel is not locked);

figure 4 - section aa in figure 1 (the position of the parts of the mechanism with the shutter in the rear position, the barrel is not locked);

The claimed device contains a receiver 1 (Fig. 1) with a combat stop 2 (Fig. 2), a bolt 3, in the cavity 4 of which a reloading handle 5 is placed. The reloading handle 5 contains a combat stop 6 and a through groove 7 in which an axis 8 is mounted on the shutter 3. The spring 9 of the reloading handle and the guide 10 of the spring 9 are placed in the blind groove 11 of the reloading handle 5. In this case, the guide 10 of the spring 9 is pivotally mounted on the axis 12 on the shutter 3. In the receiver 1 (Fig. 1), a groove 13 is made for the reload handle 5 (Fig. 4), and on the shutter 3 (Fig. 3), a platform 14 for interaction with the platform 15, made on the handle 5 reloading. The device also contains a butt pad 16 (figure 2), a clutch 17, a return spring 18 and a guide 19.

The claimed device operates as follows.

In order to reload the weapon, you need the reloading handle 5 (figure 4) to take back (arrow B). At the beginning of this movement, the handle 5 (Fig. 3) begins to rotate (in the direction of arrow B) on the axis 8 of the shutter 3, which is located in the through groove 7 of the reloading handle 5. The combat emphasis 6 of the reloading handle disengages from the combat emphasis 2 on the receiver 1 and enters the cavity 4 of the bolt 3. The barrel channel was unlocked (the barrel is unlocked in one movement of the arrow). With further movement of the reload handle 5, the bolt 3 connected to it moves in the receiver 1 (Fig. 4) along the groove 13 and the guide 19, compressing the return spring 18. Having retracted the bolt 3 by the reload handle 5 to the back plate 16, the reload handle 5 must be released. When this shutter 3 begins to move forward under the influence of the return spring 19 to contact with the clutch 17 (figure 3). Weapon reloading occurred (chambering of the cartridge into the barrel chamber by the shutter, not shown in the drawing, reloading without the participation of the shooter). After stopping the shutter 3, the reload handle 5 begins to rotate (in the direction of arrow G) under the action of the spring 9 of the reload handle. The combat stop 6 of the reloading handle 5 leaves the cavity 4 of the shutter 3 and engages with the combat emphasis 2 (FIG. 2) of the receiver 1. The barrel is locked (the barrel is locked without the participation of the shooter).

Claims (1)

A multi-shot firearm locking assembly comprising a receiver, a shutter and a reload handle, characterized in that it is provided with a spring and a spring guide pivotally mounted on the shutter, placed in a blind hole made in the reload handle, a combat stop located on the reload handle and with a combat focus made on the receiver, while on the shutter there is a platform interacting with the platform made on the receiver, and on the handle Arrangements are made through the groove to accommodate the axis mounted on the shutter.

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