阅读说明：本技术 一种弹道稳定子弹 (Bullet with stable trajectory ) 是由 赵励 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种弹道稳定子弹,涉及子弹技术领域,包括弹壳,所述弹壳的内侧设有装药,所述弹壳的内部设有金属层,所述弹壳的一端固定连接有壳肩,所述壳肩的一端固定连接有壳头,所述壳头的一端开设有壳口,所述壳头的内部固定连接有弹头,所述弹壳的底部固定连接有壳缘,所述弹壳的底部开设有退壳槽,所述弹壳的底部固定连接有底火杯,所述底火杯的内壁底部设有引药,所述引药的一侧固定连接有底火毡座。该弹道稳定子弹,通过在弹头的两侧设置凹槽的结构,可以增加弹头在空中的转速,提升外弹道的稳定性,在弹壳中加入金属粉与加强层结构,既可以降低生产成本,又能延长存储时间。(The invention discloses a bullet with stable trajectory, which relates to the technical field of bullets and comprises a bullet shell, wherein the inner side of the bullet shell is provided with a charge, a metal layer is arranged inside the bullet shell, one end of the bullet shell is fixedly connected with a shell shoulder, one end of the shell shoulder is fixedly connected with a shell head, one end of the shell head is provided with a shell opening, the inside of the shell head is fixedly connected with a bullet, the bottom of the bullet shell is fixedly connected with a shell edge, the bottom of the bullet shell is provided with a shell withdrawing groove, the bottom of the bullet shell is fixedly connected with a primer cup, the bottom of the inner wall of the primer cup is provided with a primer, and one side of the primer is fixedly connected with a primer felt seat. This bullet is stabilized to trajectory sets up the structure of recess through the both sides at the warhead, can increase the rotational speed of warhead in the sky, promotes the stability of outer trajectory, adds metal powder and enhancement layer structure in the shell case, both can reduction in production cost, can prolong storage time again.)

1. A ballistic stabilized bullet comprising a shell (1), characterized in that: the cartridge case is characterized in that a powder charge (8) is arranged on the inner side of the cartridge case (1), a metal layer (19) is arranged inside the cartridge case (1), a case shoulder (7) is fixedly connected to one end of the cartridge case (1), a case head (6) is fixedly connected to one end of the case shoulder (7), a case opening (5) is formed in one end of the case head (6), a cartridge head (2) is fixedly connected to the inside of the case head (6), a case edge (4) is fixedly connected to the bottom of the cartridge case (1), a case unloading groove (3) is formed in the bottom of the cartridge case (1), a primer cup (12) is fixedly connected to the bottom of the inner wall of the primer cup (12), a primer (13) is arranged at the bottom of the inner wall of the primer cup (12), a primer base (11) is fixedly connected to one side of the primer (13), a package (10) is fixedly connected to one side of the primer seat (11), and a primer hole (9) is formed in the top, the novel bullet is characterized in that one end of the bullet (2) is provided with a cross groove (15), one end of the bullet (2) is provided with a groove (14), an inner core (18) is fixedly connected inside the bullet (2), the other end of the inside of the bullet (2) is fixedly connected with a longitudinal groove (17), and a smoke agent (16) is arranged inside the other end of the longitudinal groove (17).

2. A ballistic stabilized bullet according to claim 1, wherein: the cartridge case is characterized in that the two sides of the cartridge case (1) are made of high-strength thermosetting resin, and the middle of the cartridge case is made of metal.

3. A ballistic stabilized bullet according to claim 1, wherein: one side of the shell head (6) is fixedly connected with a metal ring (21).

4. A ballistic stabilized bullet according to claim 1, wherein: the number of the cross grooves (15) is large, and the cross grooves (15) are annular.

5. A ballistic stabilized bullet according to claim 1, wherein: six grooves (14) are uniformly distributed at one end of the warhead (2), the lengths of the six grooves (14) are equal, and the grooves (14) are parallel to the warhead (2).

6. A ballistic stabilized bullet according to claim 1, wherein: the inner core (18) is made of lead.

7. A ballistic stabilized bullet according to claim 1, wherein: the primer (13) is lead azide.

8. A ballistic stabilized bullet according to claim 1, wherein: the diameter of one end, close to the warhead (2), of the cartridge case (1) is smaller than the diameter of one end, far away from the warhead (2), of the cartridge case (1), and the two ends of the cartridge case (1) are both in an open state.

9. A ballistic stabilized bullet according to claim 1, wherein: the longitudinal groove (17) is located at the center of the bullet (2).

10. A ballistic stabilized bullet according to claim 1, wherein: the shell case (1) is internally doped with metal powder.

Technical Field

The invention relates to the technical field of bullets, in particular to a bullet with stable trajectory.

Background

The bullet is a weapon launched by a firearm, is one of the simplest tools for killing enemies or destroying materials during war, and generally consists of four parts, namely a bullet, a cartridge, a propellant powder and a fire cap, wherein the bullet is used for penetrating a target by means of fast flight, the cartridge is used for connecting the bullet and protecting the propellant powder and sealed gunpowder gas, the propellant powder is given to the bullet at a higher initial speed by combustion, and the fire cap is used for firing, but the bullet refers to the common bullet, and other special bullets, detection bullets and auxiliary bullets are different, and the components are different due to different bullets.

In the Chinese invention patent application number: CN201620071253.2 discloses a bullet, which comprises a bullet, a shell case, gunpowder and an ignition device, wherein the bullet is embedded in a case opening of the shell case, the ignition device is embedded in a case head of the shell case, the gunpowder is installed in the shell case, and one end of the gunpowder is in contact with the ignition device; one end of the warhead is streamline, and the other end of the warhead is arc-shaped. The bullet head of the bullet adopts the conventional aerodynamic design, the rotating speed is easy to reduce on the outer trajectory, the stability of the trajectory is reduced, and the bullet is not beneficial to popularization.

Therefore, there is a need to provide a ballistic stabilized bullet that solves the above problems.

Disclosure of Invention

Technical problem to be solved

The present invention is directed to provide a bullet with stable trajectory, which solves the problems of conventional aerodynamic design of the bullet head, which is proposed in the background art, that the rotation speed is easily reduced in the outer trajectory, and the stability of the trajectory is reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a bullet with stable trajectory comprises a bullet shell, wherein a powder charge is arranged on the inner side of the bullet shell, a metal layer is arranged inside the bullet shell, a shell shoulder is fixedly connected to one end of the bullet shell, a shell head is fixedly connected to one end of the shell shoulder, a shell opening is formed in one end of the shell head, a bullet is fixedly connected to the inside of the shell head, a shell edge is fixedly connected to the bottom of the bullet shell, an ejection groove is formed in the bottom of the bullet shell, a primer cup is fixedly connected to the bottom of the bullet shell, a primer is arranged at the bottom of the inner wall of the primer cup, a primer felt seat is fixedly connected to one side of the primer felt seat, an ignition hole is fixedly connected to the top of the inner wall of the shell, a cross groove is formed in one end of the bullet, a groove is formed in one end of the bullet, an inner core is fixedly connected to the inside of the bullet, and a longitudinal groove is fixedly connected to the other end of the bullet, and a smoke agent is arranged inside the other end of the longitudinal groove.

Preferably, the shell case is made of high-strength thermosetting resin on two sides, and is made of metal in the middle.

Preferably, a metal ring is fixedly connected to one side of the shell head.

Preferably, the number of the intersecting grooves is plural, and the intersecting grooves have an annular shape.

Preferably, there are six grooves, six grooves are uniformly distributed at one end of the warhead, the lengths of the six grooves are equal, and the grooves are parallel to the warhead.

Preferably, the inner core is made of lead.

Preferably, the primer is lead azide.

Preferably, the diameter of one end of the shell close to the warhead is smaller than that of the other end far away from the warhead, and both ends of the shell are in an open state.

Preferably, the longitudinal slot is located at the centre of the bullet.

Preferably, the shell is internally doped with metal powder.

(III) advantageous effects

Compared with the prior art, the invention provides a bullet with stable trajectory, which has the following beneficial effects:

1. this bullet is stabilized to ballistic trajectory through the structure that sets up the recess in the both sides of warhead, can increase the rotational speed of warhead in the sky, promotes the stability of outer ballistic trajectory.

2. The bullet with stable trajectory has the advantages that the metal powder and the reinforcing layer structure are added into the bullet shell, so that the production cost can be reduced, and the storage time can be prolonged.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional elevation view of the cartridge case structure of the present invention;

FIG. 3 is a schematic sectional front view of the primer cup structure of the present invention;

FIG. 4 is a schematic bottom view of the structure of the present invention;

FIG. 5 is a schematic view of the warhead configuration of the present invention;

FIG. 6 is a schematic sectional front view of the warhead structure of the present invention;

figure 7 is a schematic side sectional view of the cartridge case structure of the present invention.

In the figure: 1. a cartridge case; 2. a warhead; 3. a shell removing groove; 4. a shell rim; 5. a shell opening; 6. a shell head; 7. a shell shoulder; 8. charging; 9. a firing hole; 10. packaging; 11. a primer felt base; 12. a bottom fire cup; 13. guiding the medicine; 14. a groove; 15. a cross slot; 16. a smoke agent; 17. a longitudinal slot; 18. an inner core; 19. a metal layer; 21. a metal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a bullet with stable trajectory comprises a shell 1, wherein two sides of the shell 1 are made of high-strength thermosetting resin, the middle part is made of metal, the shell 1 is made of high-strength thermosetting resin, the diameter of one end of the shell 1 close to a bullet 2 is smaller than that of one end of the shell 1 far away from the bullet 2, a cartridge clip is arc-shaped, the diameter of one side of the shell 1 is smaller, so that the capacity of the cartridge clip can be increased, two ends of the shell 1 are both in an open state, two ends of the shell 1 are not sealed, so that the injection molding can be conveniently carried out, the production time is saved, a charge 8 is arranged on the inner side of the shell 1, a metal layer 19 is arranged inside the shell 1, the metal powder and a reinforcing layer structure are added into the shell 1, so that the production cost can be reduced, the storage time can be prolonged, the reinforcing layer is made of carbon fiber, the carbon fiber is commonly, the primer cartridge case is widely used in the fields of rockets and the like, one end of a cartridge case 1 is fixedly connected with a case shoulder 7, one end of the case shoulder 7 is fixedly connected with a case head 6, one side of the case head 6 is fixedly connected with a metal ring 21, so that the material directly contacted with the cartridge head 2 is metal, the elasticity ratio is better, one end of the case head 6 is provided with a case opening 5, the inside of the case head 6 is fixedly connected with the cartridge head 2, the bottom of the cartridge case 1 is fixedly connected with a case edge 4, the bottom of the cartridge case 1 is provided with a case withdrawing groove 3, the bottom of the cartridge case 1 is fixedly connected with a primer cup 12, the bottom of the inner wall of the primer cup 12 is provided with a primer 13, the primer 13 is composed of lead azide, the lead azide does not contain mercury, compared with the traditional primer 13, the primer 13 can avoid corrosion to the metal, the service life of the primer 12 is prolonged, the cost is reduced, one side of the primer 13 is fixedly connected with a primer base 11, one side, the top of the inner wall of the shell is fixedly connected with a firing hole 9, one end of the bullet 2 is provided with a plurality of cross grooves 15, the cross grooves 15 are circular, the cross grooves 15 can enhance the pulling elasticity of the bullet 2 and the shell 6 and prevent the shell 6 from being separated from the bullet 2, so that gunpowder loss is caused, the stability of the bullet 2 and the shell 6 is improved, one end of the bullet 2 is provided with a groove 14, the groove 14 can enable the bullet 2 to generate a golf effect with air in an outer trajectory, the stability and the flying distance of the bullet 2 can be improved, the number of the grooves 14 is six, the six grooves 14 are uniformly distributed at one end of the bullet 2, the lengths of the six grooves 14 are equal, the grooves 14 are parallel to the bullet 2, the rotating speed of the bullet 2 in the air can be increased by arranging the grooves 14 at two sides of the bullet 2, the stability of the outer trajectory is improved, and an inner core 18 is fixedly connected inside the bullet 2, the material of the inner core 18 is lead, the penetration force of the bullet 2 is also called penetration force or penetrating force, and refers to the capability of the bullet 2 to penetrate into or penetrate through an object, the size of the penetration force is mainly determined by the mass of the bullet 2, the section density of the bullet 2 and the speed of the bullet 2 when hitting the object, generally expressed by the depth of penetrating a certain object, the lead material has higher density, low price, reduced production cost, increased mass of the bullet 2 and improved penetration capability of the bullet 2, the other end inside the bullet 2 is fixedly connected with a longitudinal groove 17, the longitudinal groove 17 can expand after the bullet 2 hits a target, the volume of a cavity formed in the object by the bullet 2 is increased, the killing effect is improved, the longitudinal groove 17 is positioned at the center of the bullet 2, the longitudinal groove 17 can be uniformly stressed at the center, the expansion area is larger, a smoke agent 16 is arranged inside the other end of the longitudinal groove 17, the smoke agent 16 can emit glimmer light to replace a dragging tube to emit special glimmer light, and can be seen only by matching with a special eye, so that the trajectory is more concealed.

The production process of the cartridge case comprises the following steps:

a: selecting materials: selecting high-strength thermoplastic resin, metal powder and a reinforced fiber material as injection molding materials, wherein the ratio of the high-strength thermoplastic resin to the metal powder to the reinforced fiber is 5:1:1, the high-strength thermoplastic resin is composed of PE-polyethylene, PP-polypropylene and PVC-polyvinyl chloride materials, the metal powder is composed of copper, tin and manganese materials, and the reinforced fiber is composed of aramid fiber and glass fiber materials;

b: drying the material: placing the injection molding material in a drying oven, drying for 1h at 70 ℃ to ensure that the humidity is less than 0.05%, and then continuously feeding by adopting an automatic feeding system;

c: preheating a mould: mounting an injection mold on an injection molding machine, preheating the mold before production and mold closing, setting the preheating temperature to be 80 ℃, setting the temperature of a movable mold electric heating pipe to be 65 ℃, and then closing the mold;

d: three-stage injection molding: the injection molding machine injects the mold, the pressure is divided into three-stage injection stage control during injection, the switching position of a first-stage screw rod is adjusted to ensure that plastic melt adhesive just enters a cavity by 6% of the volume through a runner, the switching position of a second-stage screw rod is adjusted to ensure that the cavity is filled with 75% of plastic melt, and the switching position of a third-stage screw rod is adjusted to ensure that the cavity is filled with 98% of plastic melt, wherein the first-stage injection pressure is 80%, the injection speed is 15%, the second-stage injection pressure is 85%, the injection speed is 20%, the third-stage injection pressure is 80%;

e: and (3) injection and pressure maintaining: the pressure maintaining pressure is 70% of the maximum injection pressure, the speed is lower than the minimum injection pressure in each stage, and the time is maintained for 30 s;

f: cooling the mold: cooling by using cooling water at the temperature of 20 ℃, and injecting the cooling water into a mold for cooling by adopting a full-automatic system control technology;

g: blowing cold water: after cooling, blowing air into the system and blowing cooling water in the water channel of the mold out of the mold;

h: opening the mold and taking out the parts: and opening the mold and taking out the shell finished product.