CN109974544B - Spring-induced connecting structure and detonation device - Google Patents
Spring-induced connecting structure and detonation device Download PDFInfo
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- CN109974544B CN109974544B CN201910348066.2A CN201910348066A CN109974544B CN 109974544 B CN109974544 B CN 109974544B CN 201910348066 A CN201910348066 A CN 201910348066A CN 109974544 B CN109974544 B CN 109974544B
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- 238000005474 detonation Methods 0.000 title abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 49
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 239000003814 drug Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000001133 acceleration Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fuses (AREA)
- Vibration Dampers (AREA)
Abstract
The invention provides a bullet-guiding connection structure and a detonation device, which relate to the technical field of detonation and comprise a bullet body, a fuze and a fuze compression ring; the projectile body is provided with a mounting hole, and the fuze compression ring is configured to press the fuze into the mounting hole, and a gap is formed between the peripheral wall of the fuze and the peripheral wall of the mounting hole; the detonation device comprises the bullet-guiding connection structure. The invention can solve the technical problems in the prior art that the assembly process is time-consuming and labor-consuming, the fuze is difficult to disassemble, and the deformation of the fuze can cause the extrusion fuze to damage most of the fuze, so that the recovery of the fuze is not utilized, and the electronic components of the fuze are easy to vibrate and lose effectiveness.
Description
Technical Field
The invention relates to the technical field of detonation, in particular to a bullet-guiding connection structure and a detonation device.
Background
In the detonation field, the fuze system of the current domestic aviation guidance bomb mainly enables the fuze to be in threaded connection with the tail end of the bomb body and adopts an on-bomb power supply to supply power, when the aviation bomb strikes a target, stress waves generated by impact are transmitted to the fuze through threaded connection, an acceleration sensor is arranged in the fuze, the acceleration sensor senses overload signals and gives out electrical signal instructions, and then the fuze sends out detonation instructions to detonate the explosive.
Because the fuze is connected with the projectile body through threads, the problem that the assembly process is time-consuming and labor-consuming due to the fact that the number of threads is large for guaranteeing the connection strength; in addition, in the projectile test recovery fuze, the thread is invalid due to projectile deformation, so that the fuze is difficult to disassemble, most of the fuze is damaged due to extrusion of the fuze due to projectile deformation, and the problem of recovery of the fuze is not utilized; in addition, because the rigidity of the threaded connection structure is high, the attenuation and filtration effects on stress waves are weak, and the high overload signal is transmitted into the fuze, the problem that the electronic components of the fuze are damaged by vibration is easily caused.
Disclosure of Invention
The invention aims to provide a bullet-guiding connection structure and a detonation device, which at least can solve the technical problems that in the prior art, the assembly process is time-consuming and labor-consuming, the fuze is difficult to disassemble, and the deformation of the projectile body causes the extrusion fuze to damage most of the fuze, so that the recovery of the fuze is not utilized, and the electronic components of the fuze are susceptible to vibration to fail.
The following technical scheme is adopted for realizing the purpose of the invention:
in a first aspect, an embodiment of the present invention provides a primer connection structure, including a primer body, a primer, and a primer compression ring; and the projectile body is provided with a mounting hole, and the fuze compression ring is configured to press the fuze into the mounting hole and form a gap between the peripheral wall of the fuze and the peripheral wall of the mounting hole.
With reference to the first aspect, the embodiment of the present invention provides a first possible implementation manner of the first aspect, where the mounting hole is a stepped hole, and includes a first hole and a second hole that are mutually communicated, where a pore diameter of the first hole is greater than that of the second hole, and an end of the first hole away from the second hole is communicated with an external environment; a protruding part is formed on the peripheral wall of the fuze; and along the extending direction of the fuze, the end face of one end of the protruding part is abutted against the step of the stepped hole.
With reference to the first aspect and the first possible implementation manner of the first aspect, the embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein an outer circumferential surface of the fuse pressing ring is connected with a hole wall of the mounting hole, and an inner circumferential surface of the fuse pressing ring is in contact with a circumferential wall of the fuse; and along the extending direction of the fuze, the end face of the fuze compression ring, which faces one end of the protruding part, is abutted with the end face of the other end of the protruding part.
With reference to the first aspect and the second possible implementation manner of the first aspect, the embodiment of the present invention provides a third possible implementation manner of the first aspect, and the outer circumferential surface of the fuze compression ring is in threaded connection with the hole wall of the mounting hole.
With reference to the first aspect and the first possible implementation manner thereof, the present embodiment provides a fourth possible implementation manner of the first aspect, and a first cushion pad is extruded between the protrusion and the step of the stepped hole.
With reference to the first aspect and the fourth possible implementation manner thereof, the present embodiment provides a fifth possible implementation manner of the first aspect, where a projection of the protrusion in a plane perpendicular to the extension direction of the fuse is located within a projection of the first cushion in a plane perpendicular to the extension direction of the fuse.
With reference to the first aspect and the second possible implementation manner of the first aspect, the embodiment of the present invention provides a sixth possible implementation manner of the first aspect, and a second buffer pad is extruded between an end surface of the fuze compression ring facing one end of the protruding portion and an end surface of the other end of the protruding portion along an extension direction of the fuze.
With reference to the first aspect and the sixth possible implementation manner thereof, the present embodiment provides a seventh possible implementation manner of the first aspect, wherein a projection of the protrusion in a plane perpendicular to the extension direction of the fuse is located within a projection of the second cushion in a plane perpendicular to the extension direction of the fuse.
With reference to the first aspect, the embodiment of the present invention provides an eighth possible implementation manner of the first aspect, the bullet-guiding connection structure further includes an explosion-propagation cartridge and a detonator; the booster charge box and the detonator are respectively fixed on the fuze; a threading hole for a cable to pass through is formed in the middle of the explosion-propagation medicine box; the detonator avoids the threading hole and is abutted with the explosion-propagation medicine box.
In a second aspect, embodiments of the present invention further provide an initiating device comprising the primer connecting structure provided in the first aspect and one of its possible embodiments.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
a first aspect of an embodiment of the present invention provides a primer connection structure, where the primer connection structure includes a primer body, a fuse, and a fuse pressing ring; the projectile body is provided with a mounting hole, and the fuze compression ring is configured to press the fuze into the mounting hole and form a gap between the peripheral wall of the fuze and the peripheral wall of the mounting hole.
A second aspect of an embodiment of the present invention provides an initiation device comprising a primer attachment arrangement as provided in the first aspect and any one of its possible embodiments.
In the embodiment of the invention, the fuze is pressed on the projectile body by the fuze pressing ring, and the fuze pressing ring is only required to be taken down when the projectile body is disassembled, so that compared with the multi-circle threaded connection between the fuze and the projectile body in the prior art, the method has the advantages of simplicity in disassembly and capability of saving the assembly and disassembly time;
in addition, in the embodiment of the invention, a gap is formed between the peripheral wall of the fuze and the peripheral wall of the mounting hole, so that extrusion of the fuze caused by deformation of the projectile body can be weakened during explosion, the fuze is prevented from being damaged, and the fuze is beneficial to recycling;
in addition, in the embodiment of the invention, the fuze is pressed and connected on the fuze body by the fuze pressing ring, and a gap is formed between the peripheral wall of the fuze body and the peripheral wall of the mounting hole, so that the vibration transmitted to the fuze body by the fuze body can be attenuated, and the damage of electronic components of the fuze body caused by the vibration can be reduced or avoided as much as possible.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a spring connection structure according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a part of the structure of the portion A in FIG. 1;
FIG. 3 is a schematic diagram of an explosive structure without an elastomer of the bullet-guiding connection structure according to an embodiment of the present invention.
Icon: 1-an elastomer; 11-mounting holes; 2-fuze; 21-a boss; 3-a fuze compression ring; 4-a first cushion; 5-a second cushion pad; 6-an explosion-propagation medicine box; 61-threading holes; 7-detonator.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Specific embodiments thereof will be described below in accordance with the structure of the embodiment of the present invention.
Example 1
The embodiment provides a bullet-guiding connection structure, please refer to fig. 1, 2 and 3, which includes a projectile body 1, a fuze 2 and a fuze compression ring 3; the projectile body 1 is provided with a mounting hole 11, and the fuse pressing ring 3 is configured to press the fuse 2 against the inside of the mounting hole 11 and form a gap between the peripheral wall of the fuse 2 and the peripheral wall of the mounting hole 11. Specifically, the mounting holes 11 may be opened in the tail section of the projectile 1.
In the embodiment, the fuse 2 is pressed on the projectile body 1 by the fuse pressing ring 3, and the fuse pressing ring 3 is only required to be taken down when the projectile body 1 is disassembled, so that compared with the multi-turn threaded connection between the fuse 2 and the projectile body 1 in the prior art, the method has the advantages of simplicity in disassembly and capability of saving the assembly and disassembly time;
in addition, in the embodiment, a gap is formed between the peripheral wall of the fuze 2 and the peripheral wall of the mounting hole 11, so that extrusion of the fuze 2 caused by deformation of the projectile body 1 can be weakened during explosion, the fuze 2 is prevented from being damaged, and the fuze 2 is recycled;
in addition, in the embodiment, the fuze 2 is pressed and connected to the projectile body 1 by the fuze pressing ring 3, and a gap is formed between the peripheral wall of the fuze 2 and the peripheral wall of the mounting hole 11, so that vibration transmitted to the fuze 2 by the projectile body 1 can be attenuated, and damage to electronic components of the fuze 2 caused by vibration can be reduced or avoided as much as possible.
In an alternative implementation manner of the present embodiment, preferably, the mounting hole 11 is a stepped hole, including a first hole and a second hole that are mutually communicated, where the aperture of the first hole is larger than that of the second hole, and one end of the first hole far away from the second hole is communicated with the external environment; a boss 21 is formed on the peripheral wall of the fuse 2; the end face of one end of the boss 21 abuts against the step of the stepped hole in the extending direction of the fuse 2. Thus, the position of the fuse 2 in the mounting hole 11 can be restricted by the boss 21, and a gap can be provided between the peripheral wall of the fuse 2 and the wall of the mounting hole 11 by the boss 21.
Further preferably, the outer peripheral surface of the fuze press ring 3 is connected with the wall of the mounting hole 11, and the inner peripheral surface of the fuze press ring 3 is in contact with the peripheral wall of the fuze 2; along the extending direction of the fuze 2, the end face of one end of the fuze compression ring 3 facing the bulge 21 is abutted with the end face of the other end of the bulge 21; therefore, the protruding portion 21 can be fastened through the fuse pressing ring 3, and the fuse 2 is ensured to be stably installed inside the installation hole 11.
Still further preferably, the outer circumferential surface of the fuse pressing ring 3 is in threaded connection with the hole wall of the mounting hole 11, so that the connection stability of the fuse pressing ring 3 and the mounting hole 11 is fully ensured, and the fuse 2 is prevented from falling off.
In addition, in order to attenuate the vibration transmitted from the projectile 1 to the fuze 2 during detonation, in an alternative embodiment of the present invention, it is preferable that the first cushion 4 is pressed between the boss 21 and the step of the stepped hole, so that the vibration from the projectile 1 is absorbed by the first cushion 4, and the lateral load of the projectile 1 on the fuze 2 is reduced, thereby avoiding damage to the fuze 2 and facilitating recovery of the fuze 2.
It is further preferred that the projection of the boss 21 in a plane perpendicular to the direction of extension of the fuze 2 is located within the projection of the first cushion 4 in a plane perpendicular to the direction of extension of the fuze 2, so that the contact of the edge of the boss 21 perpendicular to the direction of extension of the fuze 2 with the wall of the mounting hole 11 is avoided, thereby further reducing the impact force of the vibration of the projectile 1 on the fuze 2, and further protecting the fuze 2 from the extrusion failure of the fuze 2 by the projectile 1.
In addition, in an alternative implementation manner of the present embodiment, preferably, along the extending direction of the fuse 2, the second cushion pad 5 is pressed between the end face of the fuse pressing ring 3 facing one end of the boss 21 and the end face of the other end of the boss 21, so that the acting force of the fuse pressing ring 3 on the boss 21 can be reduced by the second cushion pad 5, and damage to the fuse 2 connected to the boss 21 caused by excessive pressing of the fuse pressing ring 3 is avoided.
It is further preferred that the projection of the boss 21 in a plane perpendicular to the direction of extension of the fuze 2 is located within the projection of the second cushion 5 in a plane perpendicular to the direction of extension of the fuze 2, whereby the contact of the edge of the boss 21 perpendicular to the direction of extension of the fuze 2 with the wall of the mounting hole 11 is avoided, thereby further reducing the impact force of the vibration of the projectile 1 on the fuze 2, and further protecting the fuze 2 from the extrusion failure of the fuze 2 by the projectile 1.
In addition, in an alternative implementation of the present embodiment, preferably, the primer-connecting structure further includes an explosion-propagation cartridge 6 and a detonator 7; the booster box 6 and the detonator 7 are respectively fixed on the fuze 2; a threading hole 61 for a cable to pass through is formed in the middle of the explosion-propagation medicine box 6; the detonator 7 is abutted against the booster charge box 6 avoiding the threading hole 61.
Specifically, the detonator 7 and the booster charge box 6 may be both mounted on an end face of one end of the fuse 2 in the extending direction near the bottom face of the mounting hole 11, wherein the end face of the fuse 2 may be provided with a detonator mounting hole for mounting the detonator 7, and the detonator 7 may be screwed into the detonator mounting hole; the explosion-propagation medicine box 6 is sleeved and connected with one end of the fuse 2, which is close to the bottom surface of the mounting hole 11 in the extending direction. Of course, the detonator 7 and the booster box 6 may be fixed to the fuze 2 in other forms, for example, the detonator 7 and the booster box 6 may be adhered to the fuze 2 by adhesive, respectively.
As will be appreciated by those skilled in the art, the inside of the fuze 2 is provided with an acceleration sensor and other power components that need to be energized, which are connected to a power supply device by a cable, and the cable is provided with a threading passage by providing the explosion-propagation medicine box 6 with a threading hole 61; since the threading hole 61 is located at the center of the booster box 6, the booster in the booster box 6 is distributed in the booster box 6 around the threading hole 61, and at this time, the detonator 7 is prevented from abutting the booster box 6 by avoiding the threading hole 61, so that the booster box 6 can be quickly detonated by the detonator 7, and a high detonation rate can be ensured.
Example two
The present embodiment provides an initiating device comprising the primer connecting structure provided in the first embodiment.
Referring to fig. 1, 2 and 3, the bullet-guiding connection structure comprises a bullet body 1, a fuze 2 and a fuze compression ring 3; the projectile body 1 is provided with a mounting hole 11, and the fuse pressing ring 3 is configured to press the fuse 2 against the inside of the mounting hole 11 and form a gap between the peripheral wall of the fuse 2 and the peripheral wall of the mounting hole 11. Specifically, the mounting holes 11 may be opened in the tail section of the projectile 1.
In the embodiment, the fuse 2 is pressed on the projectile body 1 by the fuse pressing ring 3, and the fuse pressing ring 3 is only required to be taken down when the projectile body 1 is disassembled, so that compared with the multi-turn threaded connection between the fuse 2 and the projectile body 1 in the prior art, the method has the advantages of simplicity in disassembly and capability of saving the assembly and disassembly time;
in addition, in the embodiment, a gap is formed between the peripheral wall of the fuze 2 and the peripheral wall of the mounting hole 11, so that extrusion of the fuze 2 caused by deformation of the projectile body 1 can be weakened during explosion, the fuze 2 is prevented from being damaged, and the fuze 2 is recycled;
in addition, in the embodiment, the fuze 2 is pressed and connected to the projectile body 1 by the fuze pressing ring 3, and a gap is formed between the peripheral wall of the fuze 2 and the peripheral wall of the mounting hole 11, so that vibration transmitted to the fuze 2 by the projectile body 1 can be attenuated, and damage to electronic components of the fuze 2 caused by vibration can be reduced or avoided as much as possible.
The specific structures of the primer connecting structure and the priming device provided by the embodiment of the invention are described above, but are not limited thereto.
For example, in the above embodiment, the mounting hole 11 is a stepped hole, and includes a first hole and a second hole that are mutually communicated, the first hole has a larger aperture than the second hole, and an end of the first hole away from the second hole is in communication with the external environment; a boss 21 is formed on the peripheral wall of the fuse 2; the end face of one end of the boss 21 abuts against the step of the stepped hole in the extending direction of the fuse 2.
However, the mounting hole 11 is not limited to this, and the mounting hole 11 may have a blind hole structure with a uniform hole diameter, and after the protruding portion 21 is connected to the fuse pressing ring 3, the fuse pressing ring 3 is connected to the inner wall of the mounting hole 11, so that a gap is formed between the peripheral wall of the fuse 2 and the wall of the mounting hole 11, so long as it is ensured that the fuse pressing ring 3 is arranged so as to press the fuse 2 inside the mounting hole 11 and a gap is formed between the peripheral wall of the fuse 2 and the peripheral wall of the mounting hole 11; however, in contrast, according to the preferred structure in the embodiment, the mounting hole 11 and the assembly structure between the mounting hole and the boss 21 are arranged, so that the position of the fuse 2 inside the mounting hole 11 can be limited by the boss 21, the peripheral wall of the fuse 2 and the hole wall of the mounting hole 11 are separated by the boss 21, the fuse 2 can be prevented from shaking from the connection part connected with the fuse pressing ring 3, and the stability is better than the separation of the gap by completely relying on the fuse pressing ring 3.
In the above embodiment, the outer peripheral surface of the fuse pressing ring 3 is connected to the wall of the mounting hole 11, and the inner peripheral surface of the fuse pressing ring 3 is in contact with the peripheral wall of the fuse 2; along the extending direction of the fuze 2, the end face of one end of the fuze compression ring 3 facing the bulge 21 is abutted with the end face of the other end of the bulge 21; however, the method for crimping the fuse 2 by the fuse pressing ring 3 is not limited thereto, and for example, a fastening groove may be provided on an end face of one end of the fuse pressing ring 3 facing the protruding portion 21, a fastening protrusion may be provided on an end face of one end of the fuse 2 facing away from the bottom surface of the mounting hole 11, and the fastening groove and the fastening protrusion may be fastened to each other; then, the fuse 2 is crimped through the fuse pressing ring 3, so long as the fuse pressing ring 3 can be ensured to be configured to crimp the fuse 2 inside the mounting hole 11 and a gap is formed between the peripheral wall of the fuse 2 and the peripheral wall of the mounting hole 11; however, in contrast, the arrangement is made according to the preferred structure in the embodiment, so that the assembly process is simpler and the rapid disassembly is facilitated.
In the above embodiment, the outer peripheral surface of the fuse pressing ring 3 is screwed to the wall of the mounting hole 11, but the present invention is not limited thereto, and the fuse pressing ring 3 may be connected to the mounting hole 11 by a stopper pin instead of a screw connection, so long as the stability of the connection between the fuse pressing ring 3 and the mounting hole 11 is sufficiently ensured, and the fuse 2 is prevented from falling off.
In the above-described embodiment, the first cushion pad 4 is pressed between the boss 21 and the step of the stepped hole, but the present invention is not limited to this, and the first cushion pad 4 may not be provided, and the purpose of ensuring that the fuse pressing ring 3 is arranged so as to press the fuse 2 into the mounting hole 11 and form a gap between the peripheral wall of the fuse 2 and the peripheral wall of the mounting hole 11 may be achieved; however, in contrast, according to the preferred construction of the embodiment, the first cushion 4 is provided so that the vibration from the projectile body 1 is absorbed by the first cushion 4, and the lateral load of the projectile body 1 on the fuze 2 is reduced, thereby preventing the fuze 2 from being damaged and facilitating recovery of the fuze 2.
In addition, in the above-described embodiment, the projection of the boss 21 in the plane perpendicular to the extending direction of the fuze 2 is located within the projection of the first cushion 4 in the plane perpendicular to the extending direction of the fuze 2; however, the shape and size of the first cushion pad 4 may not be limited thereto, and the projection of the first cushion pad 4 in the plane perpendicular to the extending direction of the fuse 2 may be located in the projection of the boss 21 in the plane perpendicular to the extending direction of the fuse 2, and a certain cushioning function may be achieved as well, but it is obvious that the first cushion pad 4 is configured according to the embodiment, so that the edge of the boss 21 perpendicular to the extending direction of the fuse 2 and the wall of the mounting hole 11 are prevented from contacting each other, thereby further reducing the impact force of the vibration of the projectile 1 on the fuse 2, further protecting the fuse 2, and preventing the fuse 2 from being crushed by the projectile 1.
In the specific embodiment of the present embodiment, the second cushion pad 5 is pressed between the end face of the fuse pressing ring 3 facing the one end of the boss 21 and the end face of the other end of the boss 21 along the extending direction of the fuse 2, but the present invention is not limited thereto, and the second cushion pad 5 may not be provided, and the purpose of ensuring that the fuse pressing ring 3 is arranged so as to press the fuse 2 inside the mounting hole 11 and form a gap between the peripheral wall of the fuse 2 and the peripheral wall of the mounting hole 11 may be achieved; however, in contrast, according to the preferred structure in the embodiment, the second cushion pad 5 is provided, so that the force of the fuse pressing ring 3 on the boss 21 can be reduced by the second cushion pad 5, and the fuse pressing ring 3 is prevented from being excessively pressed to cause damage to the fuse 2 connected to the boss 21.
In addition, in the specific implementation of the present embodiment, the projection of the boss 21 in the plane perpendicular to the extending direction of the fuze 2 is located within the projection of the second cushion 5 in the plane perpendicular to the extending direction of the fuze 2; however, the shape and size of the second cushion pad 5 may not be limited thereto, and the projection of the second cushion pad 5 in the plane perpendicular to the extending direction of the fuse 2 may be located in the projection of the boss 21 in the plane perpendicular to the extending direction of the fuse 2, and a certain cushioning function may be achieved as well, but it is obvious that the second cushion pad 5 is configured according to the embodiment, so that the edge of the boss 21 perpendicular to the extending direction of the fuse 2 and the wall of the mounting hole 11 are prevented from contacting each other, thereby further reducing the impact force of the vibration of the projectile 1 on the fuse 2, further protecting the fuse 2, and preventing the fuse 2 from being crushed by the projectile 1.
In addition, in the specific implementation mode of the embodiment, the bullet-guiding connection structure further comprises an explosion-propagation medicine box 6 and a detonator 7; the booster box 6 and the detonator 7 are respectively fixed on the fuze 2; a threading hole 61 for a cable to pass through is formed in the middle of the explosion-propagation medicine box 6; the detonator 7 is abutted against the booster charge box 6 avoiding the threading hole 61.
However, the present invention is not limited to this, and the cable may be passed through the fuse 2 by forming a through hole in the fuse, and the detonator 7 may be abutted against any part of the booster box 6.
In addition, the bullet connecting structure and the detonation device provided by the embodiment of the invention can be formed by combining various structures of the embodiment, and the effects can be exerted similarly.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The bullet-guiding connection structure is characterized by comprising a bullet body (1), a fuze (2) and a fuze compression ring (3);
a mounting hole (11) is formed in the projectile body (1), and the fuze compression ring (3) is configured to press the fuze (2) into the mounting hole (11) and form a gap between the peripheral wall of the fuze (2) and the peripheral wall of the mounting hole (11);
the mounting hole (11) is a stepped hole and comprises a first hole and a second hole which are communicated with each other, the aperture of the first hole is larger than that of the second hole, and one end, far away from the second hole, of the first hole is communicated with the external environment; a protruding part (21) is formed on the peripheral wall of the fuze (2); the end face of one end of the protruding part (21) is abutted against the step of the stepped hole along the extending direction of the fuze (2); the outer peripheral surface of the fuze press ring (3) is connected with the hole wall of the mounting hole (11), and the inner peripheral surface of the fuze press ring (3) is in contact with the peripheral wall of the fuze (2); and along the extending direction of the fuze (2), the end face of one end of the fuze compression ring (3) facing the bulge (21) is abutted with the end face of the other end of the bulge (21);
a first buffer pad (4) is extruded between the protruding part (21) and the step of the stepped hole, and the projection of the protruding part (21) in a plane perpendicular to the extending direction of the fuze (2) is positioned in the projection of the first buffer pad (4) in the plane perpendicular to the extending direction of the fuze (2); along the extending direction of the fuze (2), a second buffer pad (5) is extruded between the end face of one end of the fuze compression ring (3) facing the protruding part (21) and the end face of the other end of the protruding part (21), and the projection of the protruding part (21) in the plane perpendicular to the extending direction of the fuze (2) is positioned in the projection of the second buffer pad (5) in the plane perpendicular to the extending direction of the fuze (2).
2. The bullet connection structure according to claim 1, characterized in that the outer circumferential surface of the fuze compression ring (3) is in threaded connection with the hole wall of the mounting hole (11).
3. The primer-connecting structure according to claim 1, characterized in that it further comprises a booster cartridge (6) and a detonator (7);
the booster box (6) and the detonator (7) are respectively fixed on the fuze (2);
a threading hole (61) for a cable to pass through is formed in the middle of the explosion-propagation medicine box (6); the detonator (7) is abutted against the booster box (6) avoiding the threading hole (61).
4. A primer assembly comprising the primer attachment structure of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348066.2A CN109974544B (en) | 2019-04-26 | 2019-04-26 | Spring-induced connecting structure and detonation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348066.2A CN109974544B (en) | 2019-04-26 | 2019-04-26 | Spring-induced connecting structure and detonation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109974544A CN109974544A (en) | 2019-07-05 |
| CN109974544B true CN109974544B (en) | 2024-02-06 |
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| CN111649630A (en) * | 2020-05-25 | 2020-09-11 | 南京理工大学 | Bullet bottom construction with reduce and fall impact function |
| CN111750745B (en) * | 2020-06-16 | 2024-04-05 | 南京理工大学 | Spigot structure for radial positioning of rotary projectile body and fuze |
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