CN108592710A - Self-rotating stable type antiriot bomb based on smoothbore transmitting - Google Patents

Abstract

The invention discloses a spin-stabilized anti-riot bomb launched based on a smoothbore weapon, comprising a shell case, a propellant cartridge, a primary spin gas thrust tube, a core propulsion part, a delayed ignition tube, a core strike part and a sealing pad. The inner wall of the cartridge case is engraved with concave semicircular female rifling, the upper part of the propellant cartridge is riveted with a primary spin gas thrust tube, the core propulsion part is provided with a spiral tail and a secondary spin gas thrust tube, and the core striking part The outer wall is provided with the positive rifling of the bullet core that matches the negative rifling of the cartridge case. The fire transmission hole in the upper center of the propellant cartridge is sealed with a fire transmission hole cover with a shear thread. The fire transmission hole cover is used when the propellant is missing or fails. , it can effectively prevent the primer from directly igniting the delayed ignition tube to cause the chamber to explode. The present invention sets the negative and positive rifling lines inside the projectile body, and transports the gas through the spiral thrust tube to realize the two-spin push of the projectile core, so that the present invention can Based on the launch of smoothbore weapons, the spin is stabilized, and the strike accuracy and range are greatly improved.

Description

Spin-stabilized anti-riot projectile based on smoothbore weapon launch

technical field

The invention relates to the technical field of anti-riot bombs, in particular to a spin-stabilized anti-riot bomb launched based on a smoothbore weapon.

Background technique

Anti-riot bombs play an important role in the military, armed police, and public security in performing diverse tasks such as on-duty, anti-terrorism, and emergency handling. At present, the distance between hand-throwing anti-riot bombs is 20-40m, and the distance between guns (or anti-riot bomb launchers) anti-riot bombs The distance is 80-120m. The above-mentioned shooting distance of 80-120m is for tear gas bombs or smoke bombs. In fact, for kinetic energy bombs, the shooting distance is about 35m. Therefore, how to achieve long-distance precise kinetic energy strikes has become a problem for various An important conundrum for law enforcement agencies.

Because the anti-riot ammunition is equipped with negative and positive rifling lines, the projectile has a certain spin speed, which greatly improves the flight stability, thereby improving its shooting accuracy. It is a smoothbore. In order not to change the launch system, the only way to improve the design of the anti-riot bomb itself is to make it have a certain spin ability, and the range can be improved while ensuring the strike accuracy. Potential safety hazards caused by bombing accidents, new equipment has spawned new tactics, and the solution to the above problems will greatly improve the tactical performance of anti-riot bombs.

Contents of the invention

The object of the present invention is to provide a spin-stabilized anti-riot projectile launched based on a smoothbore weapon, so as to solve the problems of short range, low precision and easy chamber explosion mentioned in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a spin-stabilized anti-riot bomb launched based on a smoothbore weapon, including a shell case, a propellant cartridge, a primary spin gas thrust tube, a core propulsion part, a delayed ignition tube, and a core The striking part, the sealing pad and the low-pressure chamber are characterized in that: the shell case and the propelling cartridge are fixed through threaded connection, the upper side of the propelling cartridge is riveted with a primary spin gas thrust tube, and the core propelling part is used to impart The secondary propulsion acceleration and the secondary spin acceleration of the striking part of the bullet core itself and the bullet core. The delay time of the tube is 1.5s. The core strike part is made of rubber material, which is used to achieve non-lethal kinetic energy strikes on the target. The sealing pad and the upper port of the bullet case are fixed by gluing. The sealing pad is used The shell is sealed, and the cavity formed by the upper side of the propelling cartridge and the lower side of the propelling part of the bullet core is a low-pressure chamber.

Preferably, the shell case is made of stainless steel material, and the external dimensions of the shell case are exactly the same as those of the active gun-fired anti-riot bullet. The concave semicircle groove that offers along the inner wall of the cartridge case has a wrap angle of 30° and a twist distance of 300mm.

Preferably, the propellant cartridge includes a primer, an external thread of the propellant cartridge, a propellant cup, a propellant, an upper cover plate of the propellant cup, a connecting thread, a central fire transmission hole, a fire transmission hole cover and a shear thread, the The primer is a mechanical percussion primer, and the primer is riveted on the axis of the bottom end surface of the propellant cartridge, and the propellant gas generated by the combustion of the propellant is used to give the core propulsion part and the core striking part a primary propulsion acceleration and a primary spin acceleration , the upper cover of the propellant cup and the propellant barrel are fixed by connecting threads, the central fire transmission hole is located on the central axis of the upper cover of the propellant cup, and the fire transmission hole cover is connected to the propellant cup by shearing threads The upper cover plate seals the central fire hole at the same time, and the shear thread is sheared and destroyed when it is subjected to the action of the propellant gas generated by the propellant combustion, and then the fire hole cover is overturned, and the propellant cartridge is fired after each firing. After that, it can be filled and used again.

Preferably, the first-stage spin gas thrust tube is riveted on the upper cover of the propellant cup, and the first-stage spin gas thrust tube includes a bottom hole of the first-stage spin gas thrust tube and a nozzle of the first-stage spin gas thrust tube , the number of the first-stage spin gas thrust tubes is 2, which are distributed in a spiral-like three-dimensional manner in the clockwise direction, and the bottom holes of the first-stage spin gas thrust tubes and the nozzles of the first-stage spin gas thrust tubes are staggered by 180° , the bottom hole of the first-stage spin gas thrust tube runs through the upper cover plate of the propellant cup and communicates with the propellant cup, and the bottom hole of the first-stage spin gas thrust tube is sealed by hot melt adhesive.

Preferably, the core propulsion part includes a core strike part base, a core strike part glue, a propellant chamber, a propellant, a propellant chamber cover, a chamber cover connecting thread, a delay ignition tube socket, and a delay ignition tube Adhesive place, direct injection hole of propellant chamber, secondary spin gas thrust tube, bottom hole of secondary spin gas thrust tube, nozzle of secondary spin gas thrust tube, spiral empennage and spiral empennage blade windward side, all The base of the core striking part is located at the upper part of the core propulsion part for supporting the core striking part, the adhesive part of the core striking part is used to connect and fix the core striking part, and the propellant chamber is located in the middle of the core propulsion part , the propellant is filled inside the propellant chamber, the propellant chamber cover is connected with the propellant chamber through the chamber cover connecting thread, the delayed ignition tube socket is used to insert the delayed ignition tube, and the delayed ignition tube is glued Use hot melt adhesive to fix the end of the delayed ignition tube, and the rear part of the delayed ignition tube ignites to ignite the propellant. The pressure inside the agent chamber rises, the delayed ignition tube is thrown out from the insertion hole of the delayed ignition tube, and the propellant gas is ejected at high speed from the direct injection hole of the propellant chamber to realize the secondary propulsion of the propelling part of the bullet core. The first-stage spin gas thrust tube is located on the lower side of the propellant chamber, the bottom hole of the second-stage spin gas thrust tube communicates with the propellant chamber, and the nozzle of the second-stage spin gas thrust tube is located on the bottom end surface of the propellant part of the projectile core. The spiral tail is located at the lower side of the bottom end surface of the propelling part of the bullet core.

Preferably, the spiral tail is a propeller blade, and the number of blades is 4, which are distributed in a circular array along the central axis of the cartridge case. The direction of the gas ejected from the nozzle of the stage spin gas thrust tube is vertical.

Preferably, the thickness of the propellant chamber cover is set at 7-8mm, which can effectively prevent the high temperature generated by the propellant combustion from deforming the striking part of the bullet core, thereby affecting its striking accuracy.

Preferably, the number of the secondary spin gas thrust tubes is 2, which is a clockwise spiral-like pipeline opened inside the propulsion part of the bullet core, the bottom hole of the secondary spin gas thrust tube and The nozzles of the two-stage spin gas thrust tubes are staggered by 180°, and the bottom holes of the two-stage spin gas thrust tubes are sealed with hot melt adhesive.

Preferably, the core strike part is made of rubber material, and the core strike part includes a rubber core body, a rubber core head, and a male rifling of the bullet core. The rubber elastic core head and the rubber elastic core body are an integral structure, and the rubber elastic core head is a hemispherical structure. In the process of bludgeoning the target, the rubber elastic core head is impacted and deformed to achieve For the non-lethal kinetic energy attack on the target, the male rifling of the bullet core matches the female rifling of the bullet case, and its cross-section is a convex semicircular structure, which is used to endow the striking part of the bullet core with a stable screwing direction.

Compared with the prior art, the present invention has the following advantages:

1. The appearance, structure and dimensions of the present invention are exactly the same as those of the active gun-fired anti-riot bombs, and can be launched based on existing anti-riot guns without changing the traditional training and combat use methods, without increasing the training pressure of troops, and facilitating the rapid formation of combat effectiveness;

2. The fire transmission hole cover of the present invention is connected to the upper cover plate of the propellant cup by a shear thread and simultaneously seals the central fire transmission hole. When it is installed or fails, the gas generated by the primer combustion is not enough to destroy the shear thread, and it is difficult to push the fire hole cover. Therefore, the primer will not directly ignite the delay tube, thereby effectively avoiding the explosion accident and making the use of the present invention safe. greatly improved;

3. The present invention sprays part of the propellant gas generated by propellant and propellant combustion from the nozzle to the windward side of the blade of the spiral tail by setting the first-stage and second-stage spin gas thrust tubes, so that the spiral tail rotates clockwise , thereby endowing the present invention with primary spin acceleration and secondary spin acceleration. The present invention improves flight stability due to the realization of spin, and then promotes the improvement of its striking accuracy. The high-speed ejection of the straight injection hole realizes the secondary propulsion of the bullet core, which improves the shooting range of the present invention;

4. In the present invention, female rifling is provided on the inner wall of the cartridge case, and male rifling is provided on the outer wall of the striking part of the bullet core, so that the bullet has a stable precession direction, and the spin motion makes the present invention less prone to deflection and tumbling;

5. The propellant cartridge in the present invention can be refilled and reused, so that the economical efficiency of the present invention is also improved;

6. In the present invention, the end of the delayed ignition tube is firmly glued and fixed, so the delayed ignition tube will not fall off accidentally during the storage, transportation, use, etc. of the present invention, which greatly improves the reliability of the present invention.

To sum up, the present invention has a reasonable structure, ingenious design, and is convenient to use. There will be no safety accidents such as blasting the chamber during use, and the use safety, economy, reliability, range, and striking accuracy are all improved, so that the present invention It has better tactical application prospects.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of cartridge case 1 among the present invention;

Fig. 3 is the structural representation of propellant cartridge 2 in the present invention;

Fig. 4 is the perspective view of the upper cover plate 2-5 of the propellant cup in the present invention;

Fig. 5 is a schematic structural view of the core propulsion part 4 in the present invention;

Fig. 6 is a schematic structural view of the core striking part 6 in the present invention;

Fig. 7 is a perspective view of the spiral tail 4-13 in the present invention.

In the figure: 1, cartridge case, 1-1, internal thread of the lower part of the cartridge case, 1-2, female rifling of the cartridge case, 2, propelling cartridge, 2-1, primer, 2-2, external thread of propelling cartridge, 2-3, Propellant cup, 2-4, propellant, 2-5, propellant cup upper cover, 2-6, connecting thread, 2-7, central fire transmission hole, 2-8, fire transmission hole cover, 2-9 , shear thread, 3, primary spin gas thrust tube, 3-1, bottom hole of primary spin gas thrust tube, 3-2, nozzle of primary spin gas thrust tube, 4, core propulsion part, 4 -1. The base of the impact part of the core, 4-2. The adhesive part of the impact part of the core, 4-3. The propellant cavity, 4-4. The propellant, 4-5. The propellant cavity cover, 4-6. The cavity Cover connecting thread, 4-7, delayed ignition tube jack, 4-8, delayed ignition tube adhesive point, 4-9, propellant chamber direct injection hole, 4-10, secondary spin gas thrust tube, 4- 11. Secondary spin gas thrust tube bottom hole, 4-12. Secondary spin gas thrust tube nozzle, 4-13. Spiral tail, 4-13-1. Windward side of spiral tail blades, 5. Delayed ignition Tube, 6, core impact part, 6-1, rubber core body, 6-2, rubber core head, 6-3, positive rifling of bullet core, 7, sealing cover, 8, low pressure chamber.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-7, the present invention provides a technical solution: a spin-stabilized anti-riot projectile launched based on a smoothbore weapon, including a cartridge case 1, an internal thread 1-1 at the bottom of the cartridge case, a cartridge case female rifling 1-2, and a propelling cartridge 2 , primer 2-1, propellant cartridge external thread 2-2, propellant cup 2-3, propellant 2-4, propellant cup upper cover 2-5, connecting thread 2-6, center fire hole 2- 7. Fire transmission hole cover 2-8, shear thread 2-9, first-stage spin gas thrust pipe 3, first-stage spin gas thrust pipe bottom hole 3-1, first-stage spin gas thrust pipe nozzle 3-2 , core propulsion part 4, core strike part base 4-1, bullet core strike part adhesive 4-2, propellant cavity 4-3, propellant 4-4, propellant cavity cover 4-5, cavity cover Connecting thread 4-6, delayed ignition tube socket 4-7, delayed ignition tube adhesive 4-8, propellant cavity direct injection hole 4-9, secondary spin gas thrust tube 4-10, secondary spin Gas thrust tube bottom hole 4-11, secondary spin gas thrust tube nozzle 4-12, spiral empennage 4-13 and spiral empennage blade windward side 4-13-1, delayed ignition tube 5, core striking part 6 , rubber core body 6-1, rubber core head 6-2, positive rifling of the core 6-3, sealing cover 7 and low pressure chamber 8, the bullet case 1 and the propellant cartridge 2 are fixed by threaded connection, and the threaded connection method The launch cartridge 2 can be refilled and used after launching, so that the use economy of the present invention is improved. The upper side of the propelling cartridge 2 is riveted with a primary spin gas thrust tube 3, and the core propulsion part 4 is used to endow the present invention with secondary propulsion acceleration and secondary spin acceleration, and the core propulsion part 4 is composed of Made of high-temperature-resistant metal materials, it can effectively prevent the ablation of high-temperature and high-pressure gunpowder gas. The delayed ignition tube 5 is inserted upside down inside the core propulsion part 4, and the delay time of the delayed ignition tube 5 is 1.5s. The core strike part 6 is processed and made of rubber material, and is used to achieve non-lethal kinetic energy strikes on the target. The sealing pad 7 and the upper port of the cartridge case 1 are fixed by gluing, and the sealing pad 7 is used to seal the present invention. The cavity formed by the upper side of the cartridge 2 and the lower side of the core propulsion part 4 is a low-pressure chamber 8 .

1 and 2, the shell case 1 is made of stainless steel, and the dimensions of the shell case 1 are exactly the same as those of the active gun-fired anti-riot bullets, and can be fired based on the existing anti-riot gun without changing the traditional training And the way of combat use, without increasing the training pressure of the troops, is conducive to the rapid formation of combat effectiveness. The bullet case 1 includes the internal thread 1-1 of the lower part of the bullet case and the female groove of the bullet case 1-2. The female groove of the bullet case 1-2 is along the inner wall of the bullet case The concave semicircle groove opened has a wrap angle of 30° and a twist distance of 300mm.

As shown in Figure 3, the propellant cartridge 2 includes a primer 2-1, a propellant cartridge external thread 2-2, a propellant cup 2-3, a propellant cup 2-4, a propellant cup upper cover plate 2-5, Connecting thread 2-6, central fire transmission hole 2-7, fire transmission hole cover 2-8 and shear thread 2-9, the primer 2-1 is riveted at the axis of the bottom end surface of the propellant cartridge 2, in this embodiment Among them, the primer 2-1 is a mechanical percussion primer, which is used to cooperate with the anti-riot gun. In other embodiments, if the anti-riot bullet launcher is used to launch the present invention, the primer 2-1 should be replaced with an electric primer. The primer 2-1 is used to ignite the propellant 2-4. The external thread 2-2 of the propellant cartridge cooperates with the internal thread 1-1 at the lower part of the cartridge case to fix the propellant cartridge 2 and the cartridge case 1. The propellant cup upper cover 2-5 is connected and fixed with the propellant cartridge 2 through the connecting thread 2-6, and the central fire transmission hole 2-7 is located on the central axis of the propellant cup upper cover 2-5. The fire transmission hole cover 2-8 is connected to the upper cover plate 2-5 of the propellant cup through the shear thread 2-9 and simultaneously seals the central fire transmission hole 2-7, and the shear thread 2-9 is burnt by the propellant 2-4 When the produced gunpowder gas acts, shear failure occurs, and then the fire hole cover 2-8 is overturned, and the high-pressure gas enters the low-pressure chamber 8 to realize a primary advancement of the core propulsion part 4 . The high-temperature and high-pressure propellant gas produced by the combustion of the propellant 2-4 ablates the bottom hole 3-1 of the primary spin gas thrust tube, so that part of the gas enters the primary spin gas thrust tube 3 and is discharged from the primary spin gas thrust tube nozzle 3. -2 ejects at a high speed to realize a spin promotion of the spiral empennage 4-13. The front portion of the delayed ignition tube 5 can be ignited after the high-pressure gas enters the low-pressure chamber.

In this embodiment, when assembling the propellant cartridge 2, firstly, the primary spin gas thrust tube 3 is riveted and fixed with the propellant cup upper cover 2-5, and the bottom hole of the primary spin gas thrust tube is sealed with hot melt adhesive 3-1. Tighten and fix the upper cover plate 2-5 of the propellant cup and the propellant cartridge 2, then rivet the primer 2-1 into the circular hole at the center of the bottom end of the propellant cartridge 2, and then transmit the fire from the center Hole 2-7 is filled with propellant powder 2-4, and after the propellant powder 2-4 is loaded, the fire transmission hole cover 2-8 is screwed into the center fire transmission hole 2-7.

1, FIG. 3, FIG. 4 and FIG. 7, the first-stage spin gas thrust tube 3 is riveted on the upper cover plate 2-5 of the propellant cup, and the first-stage spin gas thrust tube 3 includes a first-stage spin gas thrust tube. The bottom hole 3-1 of the spinning gas thrust tube and the nozzle 3-2 of the first-stage spinning gas thrust tube, the number of the first-stage spinning gas thrust tube 3 is 2, and the three-dimensional distribution is in a helical shape in the clockwise direction. The first-stage spin gas thrust tube bottom hole 3-1 and the first-stage spin gas thrust tube nozzle 3-2 are staggered by 180°, and the first-stage spin gas thrust tube bottom hole 3-1 runs through the upper cover of the propellant cup 2-5 is communicated with propellant cup 2-3.

In this embodiment, the first-stage spin gas thrust tube 3 adopts a spiral structure, so that the propellant gas ejected from the nozzle 3-2 of the first-stage spin gas thrust tube also moves in a spiral manner, and can push the spiral to the maximum extent. The blade of empennage 4-13 forces spiral empennage 4-13 to realize high-speed spin along clockwise direction.

As shown in Figure 5, the core propulsion part 4 includes a core striking part base 4-1, a core striking part glued part 4-2, a propellant cavity 4-3, a propellant 4-4, and a propellant cavity Cover 4-5, cavity cover connecting thread 4-6, delayed ignition tube socket 4-7, delayed ignition tube glued part 4-8, propellant cavity direct injection hole 4-9, secondary spin gas thrust tube 4 -10, the bottom hole 4-11 of the secondary spin gas thrust tube, the nozzle 4-12 of the secondary spin gas thrust tube, the spiral empennage 4-13 and the windward surface of the spiral empennage blade 4-13-1, the elastic The core striking part base 4-1 is located at the upper part of the core propulsion part 4, and is used to support the core striking part 6, and the glued part 4-2 of the projectile core striking part is used to connect and fix the projectile core striking part 6, and the propellant The cavity 4-3 is located in the middle of the core propulsion part 4, the propellant 4-4 is filled inside the propellant cavity 4-3, and the propellant cavity cover 4-5 connects the screw thread 4-6 with the propellant cavity through the cavity cover 4-3 connection, the delayed ignition tube socket 4-7 is used to insert the delayed ignition tube 5, the delayed ignition tube gluing part 4-8 uses hot melt glue to fix the end of the delayed ignition tube 5, the delayed ignition The rear part of the tube 5 ignites and ignites the propellant 4-4. After the propellant gas generated by the combustion of the propellant 4-4 ablates the hot melt glue at the glued part 4-8 of the delayed ignition tube, due to the The pressure of the delayed ignition tube 5 is thrown out from the socket 4-7 of the delayed ignition tube, and the propellant gas is ejected at high speed from the direct injection hole 4-9 of the propellant chamber to realize the secondary firing of the propellant part 4 of the bullet core. Propelling, the two-stage spin gas thrust tube 4-10 is located on the lower side of the propellant chamber 4-3, the bottom hole 4-11 of the two-stage spin gas thrust tube communicates with the propellant chamber 4-3, and the two The first-stage spin gas thrust tube nozzle 4-12 is located on the bottom end surface of the core propulsion part 4, and the spiral tail 4-13 is located on the lower side of the bottom end surface of the core propulsion part 4.

In this embodiment, when the core propulsion part 4 is assembled, the bottom hole 4-9 of the secondary spin gas thrust tube is first sealed, and the delayed ignition tube 5 is inserted from the delayed ignition tube jack 4-7, and the delayed ignition The delayed ignition tube 5 is glued and fixed at the tube gluing place 4-8, subsequently, the propellant 4-4 is filled in the propellant cavity 4-3, and screwed into the propellant cavity cover 4-5.

1, FIG. 5 and FIG. 7, the spiral tail 4-13 is a propeller blade, the number of blades is 4, distributed in a circular array along the central axis of the cartridge case 1, and the windward side of the spiral tail blade 4-13-1 is perpendicular to the direction of the gas ejected from the first-stage spin gas thrust tube nozzle 3-2 and the second-stage spin gas thrust tube nozzle 4-12, so that the gas thrust can realize the high efficiency of the spiral empennage 4-13 Spin push.

1 and 5, the delay ignition tube socket 4-7 is used to insert the second half of the delay ignition tube 5, and the delay ignition tube gluing part 4-8 will delay the ignition tube 5 through hot melt glue. The end is glued and fixed, so that the delayed ignition tube 5 will not accidentally fall off during storage, transportation, use, etc. of the present invention, thereby improving the reliability of the present invention. After the delay of 1.5s, the delayed ignition tube 5 , the tail is ignited, and the propellant 4-4 is ignited, and the propellant 4-4 burns violently to generate high-temperature and high-pressure gas, which ablates the hot melt glue at the glued part 4-8 of the delay tube, so that the delay ignition tube 5 is thrown out, The gas is ejected at high speed from the direct injection holes 4-9 of the propellant chamber to realize the secondary propulsion of the core propulsion part 4 and the core striking part 6.

1 and 5, the propellant chamber direct injection hole 4-9 gives the core propulsion part 4 and the core striking part 6 a secondary propulsive acceleration by injecting the propellant gas generated by the combustion of the propellant 4-4. The number of secondary spin gas thrust tubes 4-10 is 2, which is a clockwise spiral-like pipeline opened inside the core propulsion part 4, and the bottom hole 4-10 of the secondary spin gas thrust tubes 11 and the secondary spin gas thrust tube nozzle 4-12 are staggered by 180°, and the high-temperature and high-pressure gas produced by the combustion of the propellant 4-4 ablates the hot melt adhesive at the bottom hole 4-11 of the secondary spin gas thrust tube , along the secondary spin gas thrust tube 4-10, ejected at high speed from the secondary spin gas thrust tube nozzle 4-12, so as to realize the secondary spin propulsion of the helical empennage 4-13.

As shown in Figure 6, the bullet core hitting part 6 is processed by rubber material, and the bullet core hitting part 6 includes a rubber bullet core body 6-1, a rubber bullet core head 6-2, and a bullet core male rifling line 6-3. , the lower part of the rubber elastic core body 6-1 is glued and fixed with the elastic core propulsion part 4, the rubber elastic core head 6-2 and the rubber elastic core body 6-1 are an integral structure, the rubber elastic core head 6 -2 is a hemispherical structure, in the process of bludgeoning the target, the rubber core head 6-2 is deformed by the impact to achieve a non-lethal kinetic energy strike on the target, and the male rifling 6-3 of the bullet core and the female rifling of the shell case 1-2 matching, its cross section is a convex semicircular structure, which is used to endow the striking part 6 of the bullet core with a stable screwing direction.

working principle:

When in use, first put the spin-stabilized anti-riot bullet fired by the smoothbore weapon into the chamber of the anti-riot gun of the corresponding caliber, lock the chamber, open the safety, pull the trigger of the anti-riot gun, and the firing pin of the anti-riot gun hits the anti-riot gun fired based on the smoothbore weapon. The spin-stabilized anti-riot bomb primer 2-1, the primer 2-1 ignites and ignites the propellant 2-4, and the propellant 2-4 burns violently to produce a large amount of high-temperature and high-pressure gas, which ablates the bottom hole 3- of the primary spin thrust tube 1. Hot melt glue, high-temperature gas is ejected at high speed from the nozzle 3-2 of the first-stage spin gas thrust tube along the first-stage spin gas thrust tube 3, and pushes the spiral tail 4-13 to achieve one spin, and the medicine cup 2 to be launched After the pressure in -3 reaches a certain threshold, the shear thread 2-9 is sheared and damaged, the gas overturns the fire transmission hole cover 2-8, and the high-temperature and high-pressure gunpowder gas enters the low-pressure chamber 8 to realize the one-time push of the core propulsion part 4 , and ignite the front part of the delayed ignition tube 5, and push the bullet core propulsion part 4 to move quickly towards the muzzle direction. At this time, the connection between the sealing pad 7 and the shell case 1 is destroyed, and the positive rifling of the bullet core 6-3 squeezes into the shell case Rifle line 1-2, bullet core propulsion part 4 and bullet core striking part 6 rotate rapidly and fly out of the muzzle, after delaying ignition tube 5 through 1.5s delay, its rear part starts to ignite, ignites propellant 4-4, and pushes The agent 4-4 burns violently, and part of the high-temperature gas generated ablates the hot melt glue at the adhesive part 4-8 of the delay tube, so that the delay tube 5 is thrown out, and the gas is ejected at a high speed from the direct injection hole 4-9 of the propellant chamber , to realize the secondary propulsion of the core propulsion part 4 and the core striking part 6, and another part of the high-temperature gas ablates the hot melt adhesive at the bottom hole 4-11 of the secondary spin gas thrust tube, along the secondary spin gas The thrust tube 4-10 is ejected at high speed from the secondary spin gas thrust tube nozzle 4-12 to realize the secondary spin acceleration of the spiral empennage 4-13, because the projectile propulsion part 4 and the projectile striking part 6 are rotating rapidly Flying to the target under the condition of flying, the flight stability is good, there will be no deflection and rollover, and it can achieve precise strikes on a single target at a long distance. After the rubber core head 6-2 hits the target, the rubber core head 6-2 Forced deformation, although it has a large impact kinetic energy, but due to the continuous increase of the contact area, its impact specific kinetic energy is small, and it will not cause excessive damage to the target.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. Spin-stabilized anti-riot ammunition based on smoothbore weapons, including shell case (1), propellant cartridge (2), primary spin gas thrust tube (3), core propulsion part (4), delayed ignition tube ( 5), bullet core striking part (6), sealing pad (7) and low-pressure chamber (8), it is characterized in that: described bullet casing (1) and propellant cartridge (2) are fixed by threaded connection, and described propellant cartridge (2) The upper side is riveted with a primary spin gas thrust tube (3), and the core propulsion part (4) is used to give itself and the core strike part (6) a secondary propulsion acceleration and a secondary spin acceleration, so The core propulsion part (4) is all made of high temperature resistant metal material, the delayed ignition tube (5) is inserted upside down inside the core propulsion part (4), and the delay time of the delayed ignition tube (5) is 1.5 s, the core strike part (6) is made of rubber material for non-lethal kinetic energy strike on the target, the sealing pad (7) and the upper port of the cartridge case (1) are fixed by gluing, and the sealing The pad (7) is used to seal the cartridge case (1), and the cavity formed by the upper side of the propelling cartridge (2) and the lower side of the bullet core propulsion part (4) is a low-pressure chamber (8). 2. The spin-stabilized anti-riot bomb launched based on a smoothbore weapon according to claim 1, characterized in that: the shell case (1) is made of stainless steel material, and the external dimensions of the shell case (1) are the same as those of active guns. The overall dimensions of the anti-riot bullets are exactly the same, and the shell case (1) includes the internal thread (1-1) and the female rifling (1-2) of the lower part of the cartridge case, and the female rifling (1-2) of the cartridge case is along the shell case (1-2). ) The concave semicircular groove opened on the inner wall has a wrapping angle of 30° and a twisting distance of 300mm. 3. The spin-stabilized anti-riot bomb launched based on a smoothbore weapon according to claim 1, characterized in that: the propelling cartridge (2) comprises a primer (2-1), a propelling cartridge external thread (2-2 ), propellant cup (2-3), propellant powder (2-4), propellant cup upper cover plate (2-5), connecting thread (2-6), central fire transmission hole (2-7), transmission The fire hole cover (2-8) and the shear thread (2-9), the primer (2-1) is a mechanical percussion primer, and the primer (2-1) is riveted on the bottom end surface of the propellant cartridge (2) At the axis, the propellant gas produced by the combustion of the propellant (2-4) is used to give the core propulsion part (4) and the core striking part (6) a propulsion acceleration and a primary spin acceleration, and the propellant cup The upper cover (2-5) and the propellant cartridge (2) are connected and fixed through the connecting thread (2-6), and the central fire transmission hole (2-7) is located in the upper cover of the propellant cup (2-5) On the axis, the fire transfer hole cover (2-8) is connected to the propellant cup upper cover (2-5) through the shear thread (2-9) and simultaneously seals the central fire transfer hole (2-7), and the shear The cutting thread (2-9) undergoes shear failure when it is subjected to the action of the propellant gas generated by the combustion of the propellant (2-4), and then the fire hole cover (2-8) is overturned, and the propellant cartridge (2) After each launch, it can be reloaded for use. 4. The spin-stabilized anti-riot bomb launched based on a smoothbore weapon according to claim 1, characterized in that: the first-stage spin gas thrust tube (3) is riveted to the upper cover plate (2-5) of the propellant cup Above, the first-stage spin gas thrust tube (3) includes a first-stage spin gas thrust tube bottom hole (3-1) and a first-stage spin gas thrust tube nozzle (3-2), and the first-stage spin gas thrust tube nozzle (3-2) The number of gas thrust pipes (3) is 2, and they are distributed in a spiral-like three-dimensional manner in the clockwise direction. The first-stage spin gas thrust pipe bottom hole (3-1) and the first-stage spin gas thrust pipe nozzle (3-1) -2) Staggered by 180°, the bottom hole (3-1) of the first-stage spin gas thrust tube runs through the upper cover plate (2-5) of the propellant cup and communicates with the propellant cup (2-3), and the first-stage The bottom hole (3-1) of the spin gas thrust tube is sealed by hot melt adhesive. 5. The spin-stabilized anti-riot bomb launched based on a smoothbore weapon according to claim 1, characterized in that: the core propulsion part (4) comprises a core striking part base (4-1), a core striking part Adhesive part (4-2), propellant chamber (4-3), propellant (4-4), propellant chamber cover (4-5), chamber cover connecting thread (4-6), delayed ignition tube insert Hole (4-7), Delayed ignition tube glued part (4-8), Propellant cavity direct injection hole (4-9), Secondary spin gas thrust tube (4-10), Secondary spin gas thrust Tube bottom hole (4-11), secondary spin gas thrust tube nozzle (4-12), spiral empennage (4-13) and spiral empennage blade windward surface (4-13-1), the bullet core The strike part base (4-1) is located on the upper part of the bullet core propulsion part (4), and is used to support the bullet core strike part (6). part (6), the propellant chamber (4-3) is located in the middle of the core propulsion part (4), the propellant (4-4) is filled inside the propellant chamber (4-3), and the propellant The cavity cover (4-5) is connected with the propellant chamber (4-3) through the cavity cover connecting thread (4-6), and the delayed ignition tube insertion hole (4-7) is used for inserting the delayed ignition tube (5), The gluing part (4-8) of the delayed ignition tube is fixed with hot melt glue at the end of the delayed ignition tube (5), the rear part of the delayed ignition tube (5) ignites and ignites the propellant (4-4), and the propellant After the gunpowder gas produced by the combustion of the propellant (4-4) ablates the hot melt glue at the adhesive part (4-8) of the delayed ignition tube, due to the pressure inside the propellant chamber (4-3) rising, the delayed ignition The tube (5) is ejected from the delayed ignition tube socket (4-7), and the propellant gas is ejected at high speed from the direct injection hole (4-9) of the propellant chamber to realize the secondary propulsion of the core propulsion part (4) , the two-stage spin gas thrust tube (4-10) is located on the lower side of the propellant chamber (4-3), the bottom hole (4-11) of the two-stage spin gas thrust tube is connected to the propellant chamber (4- 3) Connected, the two-stage spin gas thrust tube nozzle (4-12) is located at the bottom end surface of the core propulsion part (4), and the spiral tail (4-13) is located at the bottom of the core propulsion part (4) the underside of the end face. 6. The spin-stabilized anti-riot bullet based on smoothbore weapon launch according to claim 5, characterized in that: the spiral empennage (4-13) is a propeller blade, and its blade quantity is 4, along the shell case ( 1) The central axis is distributed in a circular array, and the windward surface (4-13-1) of the spiral empennage blade is connected to the first-stage spin gas thrust tube nozzle (3-2) and the second-stage spin gas thrust tube nozzle ( 4-12) The direction of the injected gas is vertical. 7. The spin-stabilized anti-riot bomb launched based on smoothbore weapons according to claim 5, characterized in that: the thickness of the propellant chamber cover (4-5) is set to 7-8mm, which can effectively prevent the propellant ( 4-4) The high temperature generated by the combustion deforms the striking part (6) of the bullet core, thereby affecting its striking accuracy. 8. The spin-stabilized anti-riot bomb launched based on a smoothbore weapon according to claim 5, characterized in that: the number of the secondary spin gas thrust tubes (4-10) is 2, which are propelled in the bullet core The spiral-like pipeline in the clockwise direction opened inside the part (4), the bottom hole (4-11) of the secondary spin gas thrust tube and the nozzle (4-12) of the secondary spin gas thrust tube are staggered by 180 °, the bottom hole (4-9) of the secondary spin gas thrust tube is sealed by hot melt adhesive. 9. The spin-stabilized anti-riot bomb launched based on a smoothbore weapon according to claim 1, characterized in that: the core striking part (6) is made of rubber material, and the core striking part (6) includes Rubber elastic core body (6-1), rubber elastic core head (6-2), elastic core male rifling (6-3), the lower part of the rubber elastic core body (6-1) and the elastic core propulsion part (4) glued and fixed, the rubber elastic core head (6-2) and the rubber elastic core body (6-1) are an integral structure, and the rubber elastic core head (6-2) is a hemispherical structure, During the process, the rubber core head (6-2) is deformed by the impact to achieve a non-lethal kinetic energy strike on the target, and the male rifling of the bullet core (6-3) matches the female rifling of the cartridge case (1-2), Its cross-section is a convex semicircular structure, which is used to give the bullet core striking part (6) a stable screw-in direction.