CN209341937U

CN209341937U - Reduce the mechanism of firearms recoil sense

Info

Publication number: CN209341937U
Application number: CN201822088418.9U
Authority: CN
Inventors: 邱炳然; 邱延涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2019-09-03
Anticipated expiration: 2028-12-13

Abstract

The utility model discloses a kind of mechanisms for reducing the sense of firearms recoil, and firearms include gun body and the trigger being mounted in gun body, breech bolt assembly and recoil check spring；The mechanism for reducing the sense of firearms recoil includes being fixedly mounted on the intracorporal cylinder of rifle, is equipped with preceding annular groove and rear annular groove in the cylinder bore；The mechanism for reducing the sense of firearms recoil further includes round tube, gear ring, torque spring, guide ring, pawl and reset spring.A part of straight line recoil can be changed into the elastic potential energy of torque spring by the utility model, reduced the recoil sense generated when shooting, improved continuous fire precision.

Description

Reduce the mechanism of firearms recoil sense

Technical field

The utility model relates to a kind of mechanisms for reducing the sense of firearms recoil.

Background technique

Gunlock barrel extension and recoil type firearms class weapon, the gun propellant combustion of beating instant-emitting bullet generate powder gas push bullet forward Fly out gun barrel, and recoil also directly acts on gunlock, and gunlock is pushed to move backward.But the weight of gunlock is than bullet bullet Weight is big, and inertia is also much larger, correspondingly gunlock retreat speed also than bullet fly out muzzle speed it is much slower.So working as Recoil overcomes the inertia of gunlock and the elastic force of kicker to push gunlock to retreat when opening bore, and bullet flies out muzzle already, Powder gas is released from muzzle, and the pressure in bore has been reduced to safety value, and the gunlock moved backward can safely extract sky out Shell case dishes out shell case from shell throwing-out window, and is push and march forward by kicker again when backing to rear barrier structure, passes through magazine When push away the second hair bullet into bore, complete an automatic cycle.

But for the tommy gun largely using this structure, when recoil pushes gunlock, bullet may be simultaneously Do not fly out muzzle, therefore the presence of recoil will affect shooting error and fire accuracy.

Utility model content

The utility model proposes it is a kind of reduce the sense of firearms recoil mechanism, its object is to: reduce recoil sense, mention High shooting error and precision.

Technical solutions of the utility model are as follows:

A kind of mechanism reducing the sense of firearms recoil, the firearms include gun body and the trigger being mounted in gun body, rifle Thermomechanical components and recoil check spring, the trigger are mounted in gun body, for controlling ballistic projections, the gunlock group by rotating manner Part is mounted in gun body by sliding matching mode, and the recoil check spring is used for after ballistic projections, breech bolt assembly move backward Breech bolt assembly is pushed to reset to muzzle direction, it is characterised in that: the mechanism for reducing the sense of firearms recoil includes being fixedly mounted In the intracorporal cylinder of rifle, the cylinder is located on rear side of breech bolt assembly, and preceding annular groove and rear annular groove are equipped in the cylinder bore； The mechanism for reducing the sense of firearms recoil further includes round tube, gear ring, torque spring, guide ring, pawl and reset spring；

The round tube and gun body are slidably matched to realize the back-and-forth motion relative to gun body, and round tube passes through the interior of the cylinder Hole, the round tube front end is connected with the breech bolt assembly rear end, rear end is connected with the recoil check spring, the recoil check spring Rear end be connected with the gun body；The external cylindrical surface of the round tube is equipped with spirally-guided groove；

The guide ring, torque spring and gear ring set gradually from the front to the back and are sleeved on round tube, the guiding Ring is arranged in preceding annular groove, and the gear ring is arranged in rear annular groove, the torque spring front end and the guide ring phase Connection, rear end are connected with the gear ring；

The inner headed face of the guide ring is equipped with the protrusion matched with the spirally-guided groove；

The periphery of the gear ring is equipped with the gear teeth for matching with the ratchet on the pawl, the pawl with The gun body is slidably matched and front end is connected with the upper end of the trigger to follow the trigger to move relative to before and after gun body Dynamic, the reset spring is mounted in gun body, is meshed for pushing away the pawl with the gear teeth.

As further improvement of the utility model: the rotation direction of the spirally-guided groove is dextrorotation, before the ratchet is High ramped shaped after low, the gear teeth are helical teeth, the inclined direction of the flank of tooth of the helical teeth are as follows: rear end is compared with front end to gear ring The inclination of center of circle direction, while being tilted clockwise from rear side to the flank of tooth when observation of front side.

As further improvement of the utility model: the rotation direction of the torque spring is dextrorotation.

As further improvement of the utility model: the upper end of the trigger is rotated by the front end of shaft and the pawl Connection.

As further improvement of the utility model: the cylinder be it is split type, it is assembled by the semicircle barrels of left and right two and At.

Compared with the existing technology, the utility model has the positive effect that: (1) the utility model can be by straight line recoil A part of power is changed into the elastic potential energy of torque spring, and releases when breech bolt assembly resets, and generates when reducing shooting Recoil sense, improve continuous fire precision and reset speed；(2) gear ring uses helical teeth structure, when shooting, guide ring, torsion Spring and gear ring enter rotation status under the action of spirally-guided groove first, have entered between groove and guide ring at this time Opposite sliding mode, then pawl is engaged with gear ring again, makes torque spring start to reverse, so that round tube should when avoiding initial Overcome the torsion of torque spring, the frictional force between groove protrusion is also overcome, after causing guide ring that cannot start rotation, round tube Shifting is obstructed, and the function of reducing recoil sense can not be triggered.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model, for the knot for clearly showing gear ring, torque spring and guide ring Structure makees mobile processing to half barrel of the right side of cylinder.

Fig. 2 is the utility model gear ring, torque spring and the structural schematic diagram for being oriented to loop section.

Specific embodiment

The technical solution that according to the present invention will be described in detail below with reference to the accompanying drawings:

Such as Fig. 1, a kind of mechanism reducing the sense of firearms recoil, the firearms include gun body and are mounted on pulling in gun body Machine 6, breech bolt assembly and recoil check spring 9.The trigger 6 is mounted in gun body, for controlling ballistic projections, the rifle by shaft Thermomechanical components are mounted in gun body by sliding matching mode, and the recoil check spring 9 in ballistic projections, breech bolt assembly for moving back Breech bolt assembly is pushed to reset to muzzle direction after dynamic, the movement machine of trigger 6, machine gun component and recoil check spring 9 in the utility model Reason is consistent with conventional firearms, and its specific structure type is unrelated with the utility model, and this will not be repeated here.

If the improvement of Fig. 1, the present embodiment are, the mechanism for reducing the sense of firearms recoil includes being fixedly mounted on rifle Intracorporal cylinder 1, the cylinder 1 are steel, split type, assembled by the two semicircle barrels in left and right, can be by gun body Interior setting cylindrical slot simultaneously realizes it in the intracorporal fixed installation of wall by components such as screw and jackscrews.

Cylinder 1 is located on rear side of breech bolt assembly, and preceding annular groove and rear annular groove are equipped in the inner hole of cylinder 1.

The mechanism for reducing the sense of firearms recoil further includes round tube 5, gear ring 2, torque spring 3, guide ring 4, pawl 7 With reset spring 8.

The round tube 5 is steel, and round tube 5 and gun body are slidably matched to realize the back-and-forth motion relative to gun body, passes through institute The inner hole of cylinder 1 is stated, 5 front end of round tube is connected with the breech bolt assembly rear end, rear end is connected with the recoil check spring 9 It connects, the rear end of the recoil check spring 9 is connected with the gun body, and after transmitting, breech bolt assembly is moved backward, and is pushed by round tube 5 Recoil check spring 9 is shunk, and the then elongation of recoil check spring 9 resets, then pushes breech bolt assembly to reset to muzzle is mobile by round tube 5, because This, round tube 5 is equivalent to the transmission mechanism that a power is increased between original breech bolt assembly and recoil check spring 9.

The external cylindrical surface of the round tube 5 is equipped with spirally-guided groove.

The guide ring 4, torque spring 3 and gear ring 2 set gradually from the front to the back and are sleeved on round tube 5, described Guide ring 4 is arranged in preceding annular groove, and the gear ring 2 is arranged in rear annular groove, and the two is respectively in corresponding annular groove Revolution, but cannot be moved axially relative to cylinder 1.Gear ring 2 and guide ring 4 are preferably steel.Before the torque spring 3 End is connected with the guide ring 4, rear end is connected with the gear ring 2, and connection type is preferably welded.Due to guide ring 4 and gear ring 2 cannot move axially, therefore torque spring 3 can only be reversed, not flexible.

The inner headed face of the guide ring 4 is equipped with the protrusion matched with the spirally-guided groove, which can be It is process by milling mode.

It is evenly distributed in the gear teeth for matching with the ratchet on the pawl 7 on the periphery of the gear ring 2, takes turns Tooth is processed by milling mode.

The pawl 7 is slidably matched with the gun body and front end is connected with the upper end of the trigger 6 to follow described pull Machine 6 is moved forward and backward relative to gun body, and the reset spring 8 is mounted in gun body, and the bottom of front end and the pawl 7 overlaps, and is used It is meshed upwards with the gear teeth in pushing away the pawl 7.

Further, such as Fig. 1 and 2, the rotation direction of the spirally-guided groove is dextrorotation, and the ratchet is low early and high after oblique Ramp shaped, the gear teeth are helical teeth, the inclined direction of the flank of tooth of the helical teeth are as follows: rear end is compared with front end to the center of circle direction of gear ring 2 Inclination, while being tilted clockwise from rear side to the flank of tooth when observation of front side.

Further, the rotation direction of the torque spring 3 is similarly dextrorotation.

The upper end of the trigger 6 is rotatablely connected by the front end of another shaft and the pawl 7.

When cocking 6, pawl 7 is the sliding of muzzle direction forward, and the ratchet of 7 rear end of pawl reaches 2 position of gear ring, by It is ramped shaped in ratchet, therefore ratchet is located at the downside of gear ring 2 at this time, is not meshed with helical teeth.Generation when ammunition is fired Recoil move backward breech bolt assembly and round tube 5, under the guiding of spirally-guided groove, guide ring 4 starts to revolve clockwise Turn, and drive gear ring 2 to rotate together with by torque spring 3, gear ring 2 once rotates, effect of the pawl 7 in reset spring 8 Under be meshed immediately with helical teeth, so that gear ring 2 is kept fixed under the constraint of ratchet, torque spring 3 starts to reverse, and makes gunlock Recoil part be converted into rotation torsion, thus achieve the purpose that reduce recoil sense.When breech bolt assembly is made in recoil check spring 9 When resetting forward under, spirally-guided groove drives the guide ring 4 to reversely rotate, and the storage of the release of torque spring 3 at this time turns Square energy pushes round tube 5 and breech bolt assembly to reset.

When pulling rifle bolt that breech bolt assembly is driven to move back, due to not having cocking 6, pawl 7 is not introduced into engagement shape State, guide ring 4 and gear ring 2 can rotate freely, and torque spring 3 does not work, and will not form resistance to pulling rifle bolt.

Claims

1. a kind of mechanism for reducing the sense of firearms recoil, the firearms include gun body and the trigger being mounted in gun body (6), rifle Thermomechanical components and recoil check spring (9), the trigger (6) is mounted in gun body, for controlling ballistic projections by rotating manner, described Breech bolt assembly is mounted in gun body by sliding matching mode, the recoil check spring (9) be used for ballistic projections, breech bolt assembly to Afterwards move after to muzzle direction push breech bolt assembly reset, it is characterised in that: it is described reduce the sense of firearms recoil mechanism include It is fixedly mounted on the intracorporal cylinder of rifle (1), the cylinder (1) is located on rear side of breech bolt assembly, before being equipped in cylinder (1) inner hole Annular groove and rear annular groove；The mechanism for reducing the sense of firearms recoil further includes round tube (5), gear ring (2), torque spring (3), guide ring (4), pawl (7) and reset spring (8)；

The round tube (5) and gun body are slidably matched to realize the back-and-forth motion relative to gun body, and round tube (5) passes through the cylinder (1) inner hole, round tube (5) front end is connected with the breech bolt assembly rear end, rear end is connected with the recoil check spring (9) It connects, the rear end of the recoil check spring (9) is connected with the gun body；The external cylindrical surface of the round tube (5) is equipped with spirally-guided Groove；

The guide ring (4), torque spring (3) and gear ring (2) set gradually from the front to the back and are sleeved on round tube (5), The guide ring (4) is arranged in preceding annular groove, and the gear ring (2) is arranged in rear annular groove, before the torque spring (3) End is connected with the guide ring (4), rear end is connected with the gear ring (2)；

The inner headed face of the guide ring (4) is equipped with the protrusion matched with the spirally-guided groove；

The periphery of the gear ring (2) is equipped with the gear teeth for matching with the ratchet on the pawl (7), the pawl (7) be slidably matched with the gun body and front end be connected with the upper end of the trigger (6) with follow the trigger (6) relative to Gun body is moved forward and backward, and the reset spring (8) is mounted in gun body, is meshed for pushing away the pawl (7) with the gear teeth.

2. reducing the mechanism of firearms recoil sense as described in claim 1, it is characterised in that: the rotation of the spirally-guided groove To for dextrorotation, the ratchet is low early and high after ramped shaped, and the gear teeth are helical teeth, the inclined direction of the flank of tooth of the helical teeth Are as follows: rear end is tilted compared with front end to the center of circle direction of gear ring (2), while clockwise from rear side to the flank of tooth when observation of front side Inclination.

3. reducing the mechanism of firearms recoil sense as claimed in claim 2, it is characterised in that: the rotation of the torque spring (3) To for dextrorotation.

4. reducing the mechanism of firearms recoil sense as described in claim 1, it is characterised in that: the upper end of the trigger (6) is logical The front end for crossing shaft and the pawl (7) is rotatablely connected.

5. the mechanism of the reduction firearms recoil sense as described in Claims 1-4 is any, it is characterised in that: the cylinder (1) is It is split type, it is assembled by the two semicircle barrels in left and right.