CN209840854U

CN209840854U - Sectional combined type projectile body

Info

Publication number: CN209840854U
Application number: CN201920392727.7U
Authority: CN
Inventors: 贾涛; 沈玉新; 姜仁礼
Original assignee: Shaanxi Diantong Machinery Manufacturing Co Ltd
Current assignee: Shaanxi Diantong Machinery Manufacturing Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-24
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a segmentation combination formula projectile body belongs to weapon industry field, and this projectile body closely packs with the inside a plurality of explosive columns including can dismantling preceding shell case and the back shell case of connection, preceding shell case and back shell case, and the explosive column suits with shell case internal surface profile for the side profile of cylinder or circular cone structure, explosive column. The utility model discloses fall into preceding, back both ends with traditional projectile body to a plurality of explosive columns are filled to the not unidimensional based on projectile body inner chamber, and the explosive column of packing is by mould press forming, and this improvement design can show the density and the degree of consistency that promote the inside powder of projectile body.

Description

Sectional combined type projectile body

Technical Field

The utility model belongs to weapon industry field especially relates to a segmentation combination formula projectile body.

Background

The shell is one of the most widely used conventional weapons, the power of the shell is related to the structural size of the shell, the most direct influence factor is the charge of the shell, and the shell with the same size has more charge and inevitably has large power. However, in order to meet the requirement of flight, the shape of the curve is generally adopted in the structural design, the caliber of the projectile body is small, and the charging method is limited, as shown in fig. 1, and in the prior art, the method of compacting the powder filled in the projectile body and the method of pouring and solidifying the liquid are generally adopted, so that the charging density is limited, and the uniformity of the charging density is greatly different.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses fall into preceding, back both ends with traditional projectile body to based on a plurality of explosive columns are packed to the not unidimensional of projectile body inner chamber, and the explosive column of packing is by mould press forming, and this improvement design can show the density and the degree of consistency that promote the inside powder of projectile body.

The utility model discloses an above-mentioned problem is solved to following technical means:

the utility model provides a sectional combination formula body, its characterized in that, is including dismantling preceding shell case and the back shell case of connection, and preceding shell case and back shell case are inside closely to be filled with a plurality of explosive columns, and the explosive column is cylinder or circular cone platform structure, the side profile of explosive column suits with shell case internal surface profile.

Preferably, the front cartridge case and the rear cartridge case are connected by a screw thread, wherein: a connecting boss is arranged at one end of the front cartridge case close to the rear cartridge case, external threads are arranged at the outer end of the connecting boss, a sealing groove is arranged at the inner end of the connecting boss, and a sealing ring is sleeved in the sealing groove; one end of the rear cartridge case close to the front cartridge case is provided with a connecting ring groove, and the inner surface of the connecting ring groove is provided with internal threads.

Preferably, the sealing ring is a silicone rubber ring.

Preferably, the grain includes first grain, second grain, third grain, fourth grain and fifth grain, and the shape of contact surface of first grain and second grain is unanimous, and the shape of contact surface of second grain and third grain is unanimous, and the shape of contact surface of third grain and fourth grain is unanimous, and the shape of contact surface of fourth grain and fifth grain is unanimous, wherein: the first, second and fifth explosive columns are in a cone frustum structure, and the third and fourth explosive columns are in a cylinder structure.

Preferably, the length-diameter ratio of the grain is 2/3 to 1.

The utility model discloses a segmentation combination formula body has following beneficial effect:

this body adopts detachable connected mode, divide into preceding shell case and back shell case with traditional shell case, and preceding shell case passes through threaded connection with the back shell case, and this kind of connected mode can show the work efficiency of filling in that promotes the casing inside, is provided with seal groove and sealing washer in the junction moreover, has guaranteed the reliability of connecting. Meanwhile, a plurality of explosive columns are tightly filled according to the internal shapes of the front and rear cartridge cases, the filled explosive columns are all formed by pressing through a die, and the pressed explosive columns have higher density and uniformity compared with the traditional powder, so that the cannonball with the same volume can exert greater power.

Drawings

The invention is further described with reference to the following figures and examples.

FIG. 1 is a schematic view of a prior art cartridge case structure;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is a schematic view of the cartridge case structure of the present invention;

fig. 4 is a schematic structural view of the front cartridge case of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

fig. 6 is a schematic diagram of the structure of the back cartridge case of the present invention.

In the figure, 1-front cartridge case, 101-connecting boss, 102-external thread, 103-sealing groove, 2-rear cartridge case, 201-connecting ring groove, 202-internal thread, 3-grain, 301-first grain, 302-second grain, 303-third grain, 304-fourth grain, 305-fifth grain and 4-sealing ring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 2 and fig. 3, a sectional combined bullet comprises a front bullet shell 1 and a rear bullet shell 2 which are detachably connected, a plurality of explosive columns 3 are tightly filled in the front bullet shell 1 and the rear bullet shell 2, the explosive columns 3 are in a cylindrical or conical frustum structure, the side profiles of the explosive columns 3 are adapted to the inner surface profile of the bullet shell, and in this embodiment, the front bullet shell 1 and the rear bullet shell 2 are connected through threads.

In fig. 2, the grains 3 include a first grain 301, a second grain 302, a third grain 303, a fourth grain 304 and a fifth grain 305, wherein: the first, second and fifth explosive columns 301, 302 and 305 are in a cone frustum structure, and the third and fourth explosive columns 303 and 304 are in a cylinder structure.

Specifically, the contact surface of the first drug column 301 is consistent with that of the second drug column 302, the contact surface of the second drug column 302 is consistent with that of the third drug column 303, the contact surface of the third drug column 303 is consistent with that of the fourth drug column 304, and the contact surface of the fourth drug column 304 is consistent with that of the fifth drug column 305.

The arrangement described above ensures that the outer contour of the charge 3 conforms to the contour of the inner surface of the cartridge case.

It should be noted that the length-diameter ratio of the grain 3 is 2/3-1, which means: when the drug column 3 is of a cylindrical structure, the ratio of the height of the cylinder to the diameter is 2/3 to 1, and when the drug column 3 is of a truncated cone structure, the ratio of the height of the truncated cone to the middle diameter is 2/3 to 1.

As shown in fig. 4 and fig. 5, where fig. 4 is a partial enlarged view of fig. 3, a connection boss 101 is disposed at one end of the front cartridge case 1 close to the rear cartridge case 2, an external thread 102 is disposed at an outer end of the connection boss 101, a sealing groove 103 is disposed at an inner end of the connection boss 101, and a sealing ring 4 is sleeved inside the sealing groove 103, in this embodiment, the sealing ring 4 is a silicone rubber ring. As shown in fig. 6, one end of the back cartridge case 2 close to the front cartridge case 1 is provided with a connecting ring groove 201, and the inner surface of the connecting ring groove 201 is provided with an internal thread 202.

Specifically, the groove on the left side of the external thread 102 in fig. 5 is a relief groove.

The projectile body in this embodiment adopts detachable connected mode, divide into preceding shell case and back shell case with traditional shell case, and preceding shell case passes through threaded connection with back shell case, and this kind of connected mode can show the inside work efficiency of filling in of promotion casing, is provided with seal groove and sealing washer in the junction moreover, has guaranteed the reliability of connecting. Meanwhile, a plurality of explosive columns are tightly filled according to the internal shapes of the front and rear cartridge cases, the filled explosive columns are all formed by pressing through a die, and the pressed explosive columns have higher density and uniformity compared with the traditional powder, so that the cannonball with the same volume can exert greater power.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a sectional combination formula body, its characterized in that, including can dismantling preceding shell case (1) and back shell case (2) of connection, preceding shell case (1) and the inside a plurality of explosive columns (3) that closely pack of back shell case (2), explosive column (3) are cylinder or circular cone platform structure, the side profile and the shell case internal surface profile of explosive column (3) suit.

2. The segmented sectional projectile as claimed in claim 1 wherein the front casing (1) and the rear casing (2) are connected by a screw thread, wherein:

a connecting boss (101) is arranged at one end, close to the rear cartridge case (2), of the front cartridge case (1), external threads (102) are arranged at the outer end of the connecting boss (101), a sealing groove (103) is arranged at the inner end of the connecting boss (101), and a sealing ring (4) is sleeved in the sealing groove (103);

one end of the rear cartridge case (2) close to the front cartridge case (1) is provided with a connecting ring groove (201), and the inner surface of the connecting ring groove (201) is provided with an internal thread (202).

3. The segmented composite projectile in accordance with claim 2, wherein said sealing ring (4) is a silicone rubber ring.

4. The segmented combined projectile of claim 1, wherein the grains (3) comprise a first grain (301), a second grain (302), a third grain (303), a fourth grain (304) and a fifth grain (305), the shape of the contact surface of the first grain (301) and the second grain (302) is consistent, the shape of the contact surface of the second grain (302) and the third grain (303) is consistent, the shape of the contact surface of the third grain (303) and the fourth grain (304) is consistent, and the shape of the contact surface of the fourth grain (304) and the fifth grain (305) is consistent, wherein: the first explosive column (301), the second explosive column (302) and the fifth explosive column (305) are in a cone frustum structure, and the third explosive column (303) and the fourth explosive column (304) are in a cylinder structure.

5. The segmented sectional projectile of claim 4 wherein said charge (3) has an aspect ratio of 2/3 to 1.