CN212743971U - Large-aperture perforating bullet shell - Google Patents
Large-aperture perforating bullet shell Download PDFInfo
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- CN212743971U CN212743971U CN202021295193.5U CN202021295193U CN212743971U CN 212743971 U CN212743971 U CN 212743971U CN 202021295193 U CN202021295193 U CN 202021295193U CN 212743971 U CN212743971 U CN 212743971U
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- pipe
- bullet
- storage space
- large aperture
- reinforcing
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Abstract
The utility model relates to a bullet shell field just discloses a large aperture perforating bullet shell, including installation pipe and interior casing, interior casing is installed in the inside of installation pipe, and installs the reinforcing pipe at the top of installation pipe, constitute between installation pipe, interior casing and the reinforcing pipe and store up the medicine space, the gas storage space has been seted up at the top of reinforcing pipe, the inside sliding connection in gas storage space has the promotion piston. This large aperture perforation bullet casing, the screw thread in the rotatory screw-thread fit bore can provide pivoted power for the bullet, make the bullet of hitting and sending be the pivoted state, with the penetrability of reinforcing perforating bullet, can make the rupture pipe rupture after the atmospheric pressure increase in the air guide cavity, pop out the bottom that the spring can push out the ejection plate like this and stretch out and accomodate the groove, the ejection plate that rotatory in-process can drive like this punches to the position of punching, make the position that the ejection plate passes through can form the hole of bigger aperture, the perforation effect is better.
Description
Technical Field
The utility model relates to a bullet casing field specifically is a large aperture perforating bullet casing.
Background
In the current mine engineering exploration and construction process, the perforating bullet is a very common new well development and old well reaming device, and along with the continuous improvement of the use requirements, people also put forward higher requirements on the performance of the perforating bullet.
In the process of using the perforating bullet, the perforating bullet needs to be installed in a perforating gun, a detonating charge is filled in a conducting hole, then a detonating cord is installed in a placing groove, the detonating cord is tightly clamped through two opposite groove walls of the placing groove, then the perforating gun is deeply inserted into a mine, after the detonating cord is ignited, the explosive in a shell is detonated through the detonating charge, the shock wave generated by the explosive presses a explosive-shaped cover to deform, the explosive-shaped cover is pushed to be ejected towards the direction of the mine to impact a rock stratum to form a pore passage, but the outer diameter of the commonly used perforating bullet is fixed at present, only a hole with a fixed size can be formed in the mine or soil, a hole with a large pore diameter cannot be formed according to needs, and the perforating effect is poor. To this end, we have designed a large bore perforating charge casing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a large aperture perforating bullet casing, the external diameter of having solved present perforating bullet commonly used all is fixed, can only form the hole of a fixed size in mine or soil, can not form the hole of large aperture as required for the relatively poor problem of perforation effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a large aperture perforating bullet casing, is including installation pipe and interior casing, interior casing is installed in the inside of installation pipe, and installs the top of pipe and install the reinforced pipe, constitute between installation pipe, interior casing and the reinforced pipe and store up the medicine space.
The air storage space is formed in the top of the reinforcing pipe, the pushing piston is connected to the inside of the air storage space in a sliding mode, the conical head is fixedly connected to the top of the pushing piston, and the air guide cavity communicated with the air storage space is formed in the mounting pipe.
The outer wall of installation pipe has been seted up and has been accomodate the groove, the interior roof of accomodating the groove articulates there is the board that pops out, the gas outlet that corresponds with the board that pops out is seted up to the bottom of air guide cavity, the pipe that breaks that pops out the bottom fixedly connected with of board and gas outlet correspond, the one end that pops out the board is kept away from to broken pipe is connected with the gas outlet, the bottom fixedly connected with of gas outlet and the inside fixed connection who accomodates the groove pop out the spring.
Furthermore, the top of the reinforcing pipe is fixedly connected with a guide ring, and the outer wall of the guide ring is provided with an inclined annular inclined plane.
Furthermore, the top of the conical head is provided with a top explosion transmission hole, and the top of the reinforcing pipe is provided with a bottom explosion transmission hole corresponding to the top explosion transmission hole.
Furthermore, the bottom of the air storage space is provided with a connecting hole corresponding to the air guide cavity.
Furthermore, the outer parts of the conical head, the reinforcing pipe and the mounting pipe are all provided with rotary threads.
Furthermore, the inside top fixedly connected with axis of rotation of accomodating the groove, and the axis of rotation runs through the top of ejecting board and rotates with ejecting board and be connected.
The utility model has the advantages that:
1. the utility model discloses a, the setting of guide ring can provide better streamlined for the bullet for the percussion effect of bullet is better, and gunpowder can load in storing up the medicine space, and installation pipe and reinforced pipe can form the main part of shell case, make things convenient for the use of going up of bullet, and can produce the hole after gunpowder in the medicine space of storing up explodes, and the setting of guide ring and conical head can increase the penetrability of bullet.
2. The utility model discloses a, the screw thread in the rotatory screw-thread fit bore can provide the pivoted power for the bullet, make the bullet of hitting and sending be the pivoted state, with the penetrability of reinforcing perforating bullet, can make the rupture tube break after the atmospheric pressure increase in the air guide cavity, pop out the bottom that the spring can push out the board like this and stretch out and accomodate the groove, the shell case of rotatory in-process can drive the play board that stretches out and punch to the position of punching the hole like this, make the position of shell case process can form the hole of bigger aperture, the perforation effect is better.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is an enlarged view of B in fig. 1.
In the figure: 1. installing a pipe; 2. an inner housing; 3. a reinforcement tube; 4. a medicine storage space; 5. a gas storage space; 6. pushing the piston; 7. a conical head; 8. an air guide cavity; 9. a receiving groove; 10. ejecting the plate; 11. an air outlet; 12. breaking the tube; 13. ejecting a spring; 14. a guide ring; 15. a top transfer explosion hole; 16. bottom explosion transfer holes; 17. and connecting the holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to FIGS. 1-3: the utility model provides a large aperture perforating bullet casing, is including installing pipe 1 and interior casing 2, and interior casing 2 is installed in the inside of installing pipe 1, and installs the top of pipe 1 and install reinforcing pipe 3, installs pipe 1, constitutes between interior casing 2 and the reinforcing pipe 3 and stores up medicine space 4, and gunpowder can load in storing up medicine space 4, installs pipe 1 and reinforcing pipe 3 and can form the main part of cartridge case, makes things convenient for the use of going up the thorax of bullet, and can produce the hole after the gunpowder in the storage medicine space 4 detonates.
The outer wall of the mounting tube 1 is provided with a containing groove 9, the inner top wall of the containing groove 9 is hinged with an ejecting plate 10, a rotating shaft is fixedly connected above the inner part of the containing groove 9, the rotating shaft penetrates through the top of the ejecting plate 10 and is rotatably connected with the ejecting plate 10, so that the ejecting plate 10 can rotate around the rotating shaft, the bottom of the air guide cavity 8 is provided with an air outlet 11 corresponding to the ejecting plate 10, the bottom of the ejecting plate 10 is fixedly connected with a rupture tube 12 corresponding to the air outlet 11, the rupture tube 12 in an initial state is at a rupture critical point, one end of the rupture tube 12 far away from the ejecting plate 10 is connected with the air outlet 11, the bottom of the air outlet 11 is fixedly connected with an ejection spring 13 fixedly connected with the inner part of the containing groove 9, after the perforating bullet is fired, power for rotating the bullet shell and the bullet can be applied by a gun, the conical head 7, the reinforcing tube 3 and the outer part of the mounting tube 1 are, the screw thread in the rotatory screw-thread fit bore can provide pivoted power for the bullet, make the bullet that hits and send be the pivoted state, with the penetrability of reinforcing perforating bullet, atmospheric pressure in the air guide cavity 8 increases the back and can make the rupture pipe 12 break, pop out spring 13 like this and stretch out and accomodate groove 9 in the bottom that can push away play board 10, the shell case of rotatory in-process can drive the play board 10 that stretches out and punch to the position of punching the hole like this, make the position that the shell case passed through can form the hole of bigger aperture, the perforation effect is better.
The strengthening tube 3 can increase the intensity of shell case, and the top fixedly connected with guide ring 14 of strengthening tube 3, and the outer wall of guide ring 14 sets up the annular inclined plane of slope, and the setting of guide ring 14 can provide better streamlined for the bullet for the percussion effect of bullet is better.
Gunpowder can be detonated through the detonating cord, the top detonating hole 15 is formed in the top of the conical head 7, the bottom detonating hole 16 corresponding to the top detonating hole 15 is formed in the top of the reinforcing tube 3, and the top detonating hole 15 and the bottom detonating hole 16 are arranged, so that the detonating cord can conveniently detonate explosive gunpowder in the explosive storage space 4.
When the push piston 6 moves in the air storage space 5, the air in the air storage space 5 can be pushed into the air guide cavity 8, the bottom of the air storage space 5 is provided with a connecting hole 17 corresponding to the air guide cavity 8, and the air in the air storage space 5 can enter the air guide cavity 8 more conveniently due to the arrangement of the connecting hole 17.
To sum up, the utility model discloses when using, gunpowder can load in storing up medicine space 4, installation pipe 1 and reinforcing tube 3 can form the main part of cartridge case, make things convenient for the use of going up the thorax of bullet, and can produce the hole after the gunpowder in the storage medicine space 4 detonates, screw thread in the rotatory screw-thread fit bore can provide the pivoted power for the bullet, the bullet that makes to hit and send is the pivoted state, with the penetrability of reinforcing perforating bullet, can make rupture pipe 12 break after the atmospheric pressure in the air guide cavity 8 increases, pop-up spring 13 like this and stretch out the bottom that can push out board 10 and stretch out and accomodate groove 9, the cartridge case of rotatory in-process can drive the pop-up board 10 that stretches out and punch to the position of punching, make the position that the cartridge case passes through can form the hole of bigger aperture, the perforation effect is better.
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 (6)
1. A large aperture perforating bullet shell, includes installation pipe (1) and interior casing (2), its characterized in that: the inner shell (2) is arranged inside the installation pipe (1), the top of the installation pipe (1) is provided with the reinforced pipe (3), and a medicine storage space (4) is formed among the installation pipe (1), the inner shell (2) and the reinforced pipe (3);
the top of the reinforcing pipe (3) is provided with a gas storage space (5), the inside of the gas storage space (5) is connected with a pushing piston (6) in a sliding manner, the top of the pushing piston (6) is fixedly connected with a conical head (7), and the inside of the mounting pipe (1) is provided with a gas guide cavity (8) communicated with the gas storage space (5);
the outer wall of installation pipe (1) has been seted up and has been accomodate groove (9), the interior roof of accomodating groove (9) articulates there is pop-up board (10), gas outlet (11) that correspond with pop-up board (10) are seted up to the bottom of air guide cavity (8), the bottom fixedly connected with of pop-up board (10) breaks pipe (12) that correspond with gas outlet (11), the one end that pop-up board (10) were kept away from in break pipe (12) is connected with gas outlet (11), the bottom fixedly connected with of gas outlet (11) and the inside fixed connection who accomodates groove (9) pop-up spring (13).
2. A large aperture perforating charge casing as claimed in claim 1, wherein: the top of the reinforcing pipe (3) is fixedly connected with a guide ring (14), and the outer wall of the guide ring (14) is provided with an inclined annular inclined surface.
3. A large aperture perforating charge casing as claimed in claim 1, wherein: the top of the conical head (7) is provided with a top explosion transmission hole (15), and the top of the reinforcing pipe (3) is provided with a bottom explosion transmission hole (16) corresponding to the top explosion transmission hole (15).
4. A large aperture perforating charge casing as claimed in claim 1, wherein: the bottom of the gas storage space (5) is provided with a connecting hole (17) corresponding to the gas guide cavity (8).
5. A large aperture perforating charge casing as claimed in claim 1, wherein: the outer parts of the conical head (7), the reinforcing pipe (3) and the mounting pipe (1) are all provided with rotary threads.
6. A large aperture perforating charge casing as claimed in claim 1, wherein: the inside top fixedly connected with axis of rotation of accomodating groove (9), and the axis of rotation runs through the top of ejecting board (10) and is connected with ejecting board (10) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021295193.5U CN212743971U (en) | 2020-07-03 | 2020-07-03 | Large-aperture perforating bullet shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021295193.5U CN212743971U (en) | 2020-07-03 | 2020-07-03 | Large-aperture perforating bullet shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212743971U true CN212743971U (en) | 2021-03-19 |
Family
ID=75021038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021295193.5U Active CN212743971U (en) | 2020-07-03 | 2020-07-03 | Large-aperture perforating bullet shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212743971U (en) |
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2020
- 2020-07-03 CN CN202021295193.5U patent/CN212743971U/en active Active
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