RU2138756C1 - Self-loading pistol - Google Patents

Abstract

FIELD: small-arms weapon. SUBSTANCE: self-loading operates on the principle of use of recoil energy at a short stroke of the barrel, engagement of the barrel with the slide at the instant of fire is accomplished by the barrel latch, which at the same time serves as a barrel recoil accelerator. The slide has a lug, and the barrel latch has a chamfer, which are engageable at the instant of turning of the latch at unlocking of the bore in recoil. The slide gets an additional acceleration at backward motion. EFFECT: enhanced reliability, especially in difficult conditions, at heavy fouling due to the increase of kinetic energy of the movable parts providing for acceleration of the slide recoil. 3 cl, 3 dwg

Description

 The invention relates to the field of small arms, in particular to self-loading pistols, aimed at improving their design.

 The authors are aware of automatic pistols selected as analogues of the invention. One of these pistols is the German 9-mm pistol WALTHER mod. P1 (sources of information: 1. V.I. Murakhovsky, S. L. Fedoseev "Weapons of infantry", M, publishing house "Arsenal-press", 1992; 2. A.B. Zhuk, "Small arms", M, Military Publishing House, 1992; 3. p.a. A.A. Blagonravova "Material part of small arms", M, Oborongiz, 1945).

 The gun contains a frame, a shutter with a trigger mechanism, a magazine, a movable barrel, a barrel locking mechanism, and two return springs located on the sides of the frame. In the technical solution of the gun, the principle of automatic operation with the recoil of the barrel during its short course was used and, in addition, a locking wedge is used to lock the barrel channel.

 The closest in technical solution to the alleged invention is a 9-mm Italian pistol BERETTA mod. 92 (source of information: V. I. Murakhovsky, SL Fedoseev "Weapons of infantry", M, publishing house "Arsenal-press", 1992, pp. 39-43).

 BERETTA mod. 92 comprises a frame, a bolt with a trigger mechanism, a barrel, a closure connecting the barrel and the bolt, a wedge, an unlocking closure in the recoil, a return spring, a magazine.

 The connection of the barrel and the bolt at the moment of firing by the contactor and unlocking the contactor by a wedge is widespread in self-loading pistols, the mechanisms of which are based on the principle of using recoil energy for a short course of the barrel.

 A disadvantage of the analogue of the present invention is that at the time of the shot, upon impact of the barrel and the bolt engaged with each other on the frame, the frame, clasped in the hand of the arrow, begins to move backward, as a result of which the speed of the shutter continuing to move backward relative to the frame and the barrel that has stopped is reduced. This can lead to delays when shooting in difficult, in case of contamination conditions.

 The main objective of the present invention is to increase the reliability of the gun by increasing the speed of the shutter in the rollback after disengaging it with the barrel.

 To achieve this goal, it is proposed to perform protrusions on the shutter, and bevels on the closure, which will interact when the contactor rotates when the barrel bore is unlocked after firing in such a way that some additional acceleration is given to the shutter.

 In FIG. 1 shows a side view of a gun with a partial section.

 Figure 2 - scheme for locking a self-loading pistol.

 Figure 3 - acceleration of the shutter by the contact during unlocking.

 The gun consists of the following main parts (Fig. 1): bolt 1, barrel 2, movable wedge 3 located in the lower rear of the barrel, contactor 4, hammer 5, frame 6, trigger 7, trigger 8, return spring 9, stop 10 return spring 9, barrel delay 11, magazine 12, magazine latch 13. In the frame there is an insert 14 for braking the barrel and interacting with the wedge 3.

 Locking the bore is as follows (figure 2). The switch 4 has in the rear two symmetrical combat stops 15, which, with their upper front parts, abut against the locking protrusions 16 of the shutter 1, and the lower rear parts - against the protrusions 17 of the barrel 2 so that the shutter cannot move back relative to the barrel. The front of the contactor 4 has the ability to rotate in the trunnion sockets 18 of the barrel.

 Below, the fighting stops 15 of the contactor 4 have bevels 19, which, when the contactor is turned after unlocking the barrel channel, interact with the protrusions 20 of the shutter. The same protrusions, when the shutter moves forward, interact with the contactor, turning it up and locking the bore.

 To load the pistol, you need to take it in your hand, insert the magazine equipped with cartridges into the handle, take the bolt back to failure and release it.

 When retracting the shutter, it moves with the barrel. Then the wedge 3, interacting with the liner 14 of the frame, is pressed forward, turning the closure 4 down, while the shutter is disconnected from the barrel.

 The barrel stops on the liner 14 of the frame, the shutter continues to move, compressing the return spring 9. The trigger 7 is rotated by the shutter and becomes a cocking.

 As soon as the lower part of the shutter passes the bends of the store, the cartridge rises up to the line of sending.

 When releasing the bolt under the action of the return spring it moves forward, pushes the upper cartridge out of the magazine and sends it to the barrel chamber. The shutter, acting with its bevels 20 on the contactor 4, turns it upward, and the bolt engages with the barrel. A bolt coupled to the barrel advances it to its extreme forward position. The gun is ready to fire.

 To fire a shot, you must press your finger on the trigger. In this case, the trigger strikes the hammer, which breaks the igniter capsule.

 Under the influence of powder gases, the bullet moves along the bore, and the barrel, coupled with the shutter-lock, moves backward (figure 3).

 Wedge 3, resting on the insert 14 of the frame 6, stops, and the barrel 1 with the shutter 2 and the closure 4 continue to move back. The switch, interacting with the wedge 3, rotates, disengaging the barrel and bolt. In this case, the contactor, with its bevels 19, interacts with the protrusions 20 of the shutter so that the shutter moves backward relative to the barrel, as a result of which the shutter receives additional acceleration from the rotation of the closure. In this case, only part of the pulse of the barrel is transmitted to the frame of the gun, the other part is transmitted to the shutter. Therefore, when the barrel stops, the frame with the hand will move backward with less speed than in the prototype. The shutter speed increases relative to the frame.

 The sleeve, held by the ejector hook, is removed from the chamber and with further movement of the shutter, having stumbled upon a reflector, is thrown out through the shutter window.

 In the future, the work of parts and mechanisms, with the exception of the work of traction and sear, occurs as well as during charging. The shutter, moving backward, interacts with the protrusion of the rod, releasing it down; traction, under the action of a spring, returns to its original position, the cocking cock of the trigger becomes a whispering tooth. When you press the trigger, another shot occurs.

Claims (3)

 1. Self-loading pistol containing a barrel, a bolt, a frame, a magazine, a trigger mechanism, a return spring, a wedge and a closure connecting the barrel and the bolt at the time of the shot, characterized in that the bolt is made of protrusions symmetrical with respect to the longitudinal axis, and circuit breaker - bevels, with the possibility of their interaction in the process of rolling the shutter, to inform the latter of additional acceleration.  2. Self-loading pistol according to claim 1, characterized in that the protrusions are made on the inner side walls of the shutter and have bevels corresponding to the bevels of the contactor.  3. The self-loading pistol according to claim 1, characterized in that the bevels of the contactor are made on its combat stops.

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