CN1089026A - Small-bore low-noise rifle with high initial speed - Google Patents

Abstract

The present invention is a kind of small-bore low-noise rifle with high initial speed.Its automatic principle is the aftereffect reaction-type, and gunlock swinging closedown mode cuts open the chest to wait to hit, and launches common high initial speed long rifle bullet.Its principal character is: casing, wireway and muzzle silencer integrator; Big gun barrel of telescopic gunlock envelope that piston, piston rod and gunlock are formed, no gas port, thus eliminate the fault of therefore stopping up and taking place.Telescopic gunlock is the movable part of full rifle, and the compression kicker is preposition.Whole muzzle silencer adopts the acting noise elimination mode that expands, and is heavy to improve little sound weapon power, effective range, life-span and to alleviate rifle, and possesses a face kill capability, enlarges its equipment and the scope of application.

Description

Small-bore low-noise rifle with high initial speed

The present invention relates to a kind of individual soldier's small arms-rifle.Particularly a kind of small-bore low-noise rifle with high initial speed.

Known from institute, the gas operated automatic principle is to drive moving part by powder gas in the derivation thorax to finish automatic do action.Owing to have gas port and gas operated device on the gun barrel, thus complex structure not only, and can not avoid the fault that takes place because of gas port is blocked.But its gunlock swinging closedown mode has locking reliability advantages of higher, thus by the present age many rifles adopt, as the L85A1 of the AK47/74 series of the M16 series of the U.S., Russia, Britain and Belgian FNC or the like.

Little rifle is equipped with silencing means, and sound equipment is little, and muzzle does not glisten, and is more hidden in the use, is difficult for giving away one's position.Enemy's the feared state of mind is increased the weight of, and the user is then more bold, motor-driven.But little there is such shortcoming in rifle: range is near, weight is big, the life-span is short.Because use the subsonic speed bullet, muzzle energy is little, the more similar conventional gun of effective range are short, and do not possess a face kill capability, because complex structure, thus be not easy to maintenance, and longest-lived also has only half of conventional similar gun.Therefore, the equipment quantity and the scope of application of little rifle are restricted.

Purpose of the present invention will provide a kind of employing improved gas operated automatic principle exactly, the small-bore low-noise rifle with high initial speed of gunlock swinging closedown mode and whole muzzle muffler, it can be eliminated the fault that takes place because of gas port is blocked and power, the life-span of improving little sound weapon effectively and alleviate its weight.

The present invention realizes purpose like this: utilize the powder gas after effect that automatic machine is done work.Casing, wireway, complex muffler three integrator by big gun barrel of telescopic rifle envelope that telescopic piston and gunlock are formed, are cancelled gas port simultaneously.

Because be to utilize the after effect of powder gas to the automatic machine work done, thus need not gas port, thus eliminated the fault of therefore stopping up and taking place; Because casing, wireway, complex muffler integrator, and employing kicker formula firing pin firing lock and existing high initial speed long rifle bullet, so not only simple in structure, amount of parts reduces, rifle is heavily alleviated, help maintenance and improve the life-span, and muzzle energy is big, and effective range is far away; Since can the ejecting gun howitzer, so have a face and anti-armoring ability; Because process is to automatic machine acting, expansion step-down in casing for high temperature, high pressure powder gases, its energy is fully used, so improved the noise elimination effect; Behind the muzzle, movable part is back seat just because bullet flies out, so reduce the running fire firing rate, helps improving precision; Because maintenance is convenient in power, the raising in life-span, so help enlarging the scope of application and equipment quantity; Because ammunition and existing long rifle bullet are general, so logistics supply is convenient.If the making sniper rifle then more can be brought into play the unique advantage of little sound weapon.

The present invention is provided by following and accompanying drawing.

Fig. 1 is little the rifle profile that proposes according to the embodiment of the invention.

Describe the details and the working condition of invention in detail below in conjunction with Fig. 1.

Embodiment: this rifle is made of barrel assembly and casing assembly two large divisions.Barrel assembly comprises gun barrel (1), piston (2), piston rod (3), gunlock (4), kicker (5).The casing assembly comprises casing (6), silencer (wireway 7), emitter (8), trigger (9), magazine cover for seat (10), magazine (11), holds in the palm and pull (12).In the gun barrel (1), the equal chromium plating of outer surface, below, its rear end is connected and fixed with bolt and casing (6).Tube-shaped piston (2) is placed in 1/3 place of gun barrel (1), the also chromium plating of its front end face, and the top, rear end is the arc piston rod (3) that welds with it.Gunlock (4) is connected with piston rod (3) rear end with pin, there are symmetrical two locking lugs its front portion, middle dress extractor and extractor spring, the lower end pushes away the bullet lobe, cancelled machine frame, adopt kicker formula firing pin firing lock, firing pin is fixed on the gunlock (4), and it and gunlock do not have relative motion (concrete structure of gunlock 4 is not drawn).Compression advances spring (5) and is prepended between gun barrel (1) and the piston rod (3), for automatic machine and firing pin provide energy.Garden tubular aluminum alloy casing (6) is to hold the barrel assembly and the basic element of character that is connected other parts, it is anterior to be incorporated silencer (wireway 7) with it, silencer adopts the compound noise elimination mode of acting that expands, its front end is to be threaded the thread bush bolt, the aperture that key central authorities have bullet to pass through; Casing (6) rear end is the fiberglass supporting plate (12) to be threaded.Emitter (8), trigger (9) are an integral body, are connected and fixed with former and later two pins and casing (6), magazine cover for seat (10) front portion.Emitter (8) structure identical with the blowback weapon (declining towards emitter in 1985 as China, so do not draw concrete structure) can be singly, burst-firing.30 arcing shape fiberglass (or plastics) magazines (11) are loaded within the magazine cover for seat (10), simultaneously the double as handle.

During shooting, earlier bolt handle is depressed into cocked orientation backward, makes piston (2) be controlled by emitter (8), compress kicker (5) simultaneously.Cocking (9) makes emitter (8) free piston (2) then, and gunlock (4) is answered forward under the effect of kicker (5) immediately, finishes and pushes away that bullet loads, locking, firing action.After the percussion, the HTHP powder gas promotes the bullet bore that flies out that travels forward, and acts on piston (2) end face and enter wireway (muffler 7), and when energy of back seat was passed to gunlock (4), gas expanded, pressure reduces.Gunlock (4) is unblanked under the effect of back seat momentum, and back seat, ejection, back seat put in place, compresses kicker (5) simultaneously.If be burst-firing this moment, then gunlock (4) is answered forward into rapidly, finishes to push away to spring into thorax, locking, percussion, and so far, whole automatic circulation is finished.Faint powder gases through overexpansion acting, step-down is discharged outside the rifle, has further strengthened the noise elimination effect.If back out the thread bush bolt of muffler (wireway 7) front end, muffler (7) just becomes the cartridge type rifle grenade discharger, can send out rifle grenade.

Claims (6)

1, a kind of small-bore low-noise rifle with high initial speed and distortion rifle thereof, it mainly is made up of muffler (7), gun barrel (1), gunlock (4), recuperator means, casing (6), emitter (8), magazine (11) etc., the acting formula muzzle silencer that it is characterized in that expanding is positioned at the casing front end, with the wireway integrator, casing (6), wireway (7) integrator, the big portion of telescopic gunlock envelope gun barrel (1) that interior dress is made up of tube-shaped piston (2), arc piston rod (3) and gunlock (4).

2,, it is characterized in that muzzle silencer, casing (6) integrator according to the described silencing apparatus of claim 1.

3, it is characterized in that having cancelled gas port on the gun barrel (1) according to the described air guide mechanism of claim 1.

4,, it is characterized in that piston rod (3) and breech housing integrator according to the described telescopic gunlock of claim 1.

5,, it is characterized in that silencer (7) adopts acting swollen with formula noise elimination mode or alternate manner and separate type silencer according to claim 1,2 described casing (6) structures.

6, according to claim 1,4 or described recuperator means it is characterized in that compression kicker (5) is prepended between gun barrel (1) and the piston rod (3).

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