CN107328329B

CN107328329B - Bullet disassembling device

Info

Publication number: CN107328329B
Application number: CN201710679933.1A
Authority: CN
Inventors: 马玉石; 郑炳生; 王通; 钟银珠; 林建鑫; 蒋正记; 黄国林; 陈敏
Original assignee: Fujian Ordnance Equipment Co ltd
Current assignee: Fujian Ordnance Equipment Co ltd
Priority date: 2017-08-10
Filing date: 2017-08-10
Publication date: 2022-10-25
Anticipated expiration: 2037-08-10
Also published as: CN107328329A

Abstract

The utility model provides a bullet detaching device which the main points lie in: the bullet comprises a lower base, an upper base, an elastic hoop, a fastening nut, a rotation stopping pin and a rubber plug, wherein the upper end of the lower base is connected with the lower end of the upper base through threads; the center of the upper base is provided with an anchor ear matching conical surface and an anchor ear guide surface which are used for fixing the elastic anchor ear; a cylindrical clamping surface is processed at the center of the elastic hoop and used for tightly holding the bullet of the bullet, and the outer side surface is a locking conical surface; the outer circumference is distributed with an upper pin hole, the middle part is provided with a reducing ring, and the upper part is provided with a cylindrical guide surface; the locking conical surface and the reducing ring are distributed with elastic deformation grooves and stop cracks, the elastic hoop is fixed in the upper base, fixed by a fastening nut and fixed with the lower base through a stop pin, and the rubber plug is fixed in the lower base. The disassembly device is exquisite in structure, simple, reliable and convenient to operate, ensures the stability and safety of the disassembly process, and does not influence the disassembly and re-assembly of the bullet and the subsequent use effect.

Description

Bullet disassembling device

Technical Field

The invention relates to the fields of gun use, scientific research, production and the like, in particular to a bullet disassembling device.

Background

In the research and development, production, test and even use process of civil guns, scientific research, production units or civil gun users often have the demand of disassembling bullets, such as: the method comprises the steps of measuring the charge of the propellant powder of the gun and the bullet, changing the charge of the propellant powder and even changing the type of the propellant powder, and then reassembling the gun and the bullet so as to meet the requirements of scientific research, production, test or special shooting purposes of different users.

When the common tools such as a vice, a tool clamp and the like are simply used for disassembling the bullet in a clamping mode, the whole disassembling process is difficult to control due to low personal operation skill, proficiency and the like, at the moment, the sensitive primer and propellant powder of the bullet are not invalid, and the primer of the bullet is easily detonated by unintentionally extruding or colliding, so that accidents are caused; meanwhile, when modern bullets are designed, the bullet supply and firing reliability are fully considered, the pure copper or copper-clad manufacturing process is generally adopted, the bullet is soft in texture and easy to deform, and destructive deformation such as scratching, collapse, material shortage and the like can be easily caused by using universal tools such as vices, tool pliers and the like, so that the re-installation and subsequent use effects of the bullets are influenced.

Disclosure of Invention

The invention aims to provide a bullet disassembling device which has small volume, simple structure, reliable use and convenient operation, can effectively ensure the stability and safety of a bullet disassembling process, and does not damage a bullet shell and a bullet head.

The technical scheme adopted by the invention is a bullet disassembling device, which is characterized in that: the device consists of a lower base, an upper base, an elastic hoop, a fastening nut, a rotation stopping pin and a rubber plug, wherein the upper end of the lower base is connected with the lower end of the upper base through threads; the center of the upper base is provided with a hoop matching conical surface and a hoop guide surface which are used for fixing the elastic hoop, and the upper end of the upper base is provided with matching threads matched with the fastening nut; a cylindrical clamping surface is processed at the center of the elastic hoop for tightly holding the bullet head of the bullet, and the outer side surface is a locking conical surface for generating central locking movement; the outer circumference is distributed with an upper pin hole matched with the rotation stopping pin for accommodating the rotation stopping pin, and the upper part is provided with a cylindrical guide surface for forcibly guiding the up-and-down movement; the locking conical surface is distributed with an elastic deformation groove and a crack stop, the elastic hoop is fixed in the upper base, the upper end of the elastic hoop is fixed by a fastening nut and fixed with the lower base through a rotation stop pin, and the rubber plug is fixed in a plug matching hole of the lower base.

In the using process, firstly, a bullet is inserted and pushed tightly from the center of the lower end of the lower base, so that a bullet shell is tightly attached to the shell profiling conical surface; then, inserting the rubber plug into the plug matching hole to be pushed tightly, then combining and screwing the upper base and the lower base, inserting a corresponding standard inner hexagonal wrench into the inner hexagonal matching hole at the center of the fastening nut, and fastening the fastening nut to a cylindrical clamping surface at the center of the elastic hoop in the screwing direction to uniformly hold the bullet of the bullet; and finally, ensuring that the whole device is in a vertical state, respectively holding the lower base and the upper base by two hands and loosening the lower base and the upper base by force until the bullet shell and the bullet head are completely separated, and completely separating the lower base from the upper base to realize the separation of the bullet head and the shell and finish the disassembly of the bullet. The rubber plug is used for preventing the bullet shell from falling off after disassembly and protecting the bullet primer from accidental impact

The outer surface of the lower end of the lower base is provided with a lower wrench matching position. The wrench is used for inserting a standard wrench to assist twisting when the elastic removal resistance is too large.

The outer surface of the upper end of the upper base is provided with an upper wrench matching position. The wrench is used for inserting a standard wrench to assist in twisting when the resistance to disassembly is too large.

The corresponding position of the upper base at the joint of the warhead and the shell case is provided with an observation hole. To determine the mating position.

The elastic hoop is characterized in that a reducing ring is arranged between the locking conical surface and the cylindrical guide surface, the reducing ring is cylindrical, the outer diameter of the reducing ring is smaller than the diameter of the locking conical surface and the cylindrical guide surface which are connected with the reducing ring, the elastic deformation groove extends to the reducing ring from the lower end surface of the elastic hoop to the upper part along the axial direction, the tail end of the elastic deformation groove is communicated with a crack-stopping opening, and the crack-stopping opening is a round hole which is perpendicular to the surface of the reducing ring and is positioned in the reducing ring. The diameter reducing ring can reduce the wall thickness and improve the elasticity.

The center of the fastening nut is provided with an inner hexagonal matching hole.

The outer part of the rubber plug is provided with an annular anti-skid rib. So as to prevent the easy falling-off.

The upper part of the rubber plug is uniformly provided with abdication grooves which can be matched with a standard straight screwdriver for use. The device is used for inserting a standard straight screwdriver to assist in withdrawing the bullet shell when the bullet shell is not easy to be withdrawn.

The bottom of the rubber plug is provided with a lifting handle. The plug is pulled out after the disassembly is finished, and the cartridge case is taken out.

The invention has the beneficial effects that: the bullet disassembling device is exquisite in structure, simple, reliable, convenient to operate, free of limitation of external factors such as fields, skills and proficiency in use and wide in application range; during the operation, pack into the bullet inside and accomplish tight back, twist reverse the certain distance through making upper and lower base orientation throw off the direction, can accomplish and disassemble, when guaranteeing that the bullet disassembles that the process is steady, reliable, safe, can not produce any additional destruction to bullet shell case, warhead, had both satisfied various demands such as civilian gun scientific research, experiment, test, use, more can not influence the disassembling back repacking and subsequent result of use of bullet.

Drawings

FIG. 1 is a schematic view of a bullet

FIG. 2 is a schematic structural diagram of the present invention

FIG. 3 is a schematic view of the structure of the lower base of the present invention

FIG. 4 is a schematic view of the upper base structure of the present invention

FIG. 5 is a schematic view of the elastic hoop of the present invention

FIG. 6 is a schematic view of a fastening nut according to the present invention

FIG. 7 is a schematic view of a structure of a patent stopping rotating pin according to the present invention

FIG. 8 is a schematic structural view of a rubber stopper according to the present invention

FIG. 9 is a diagram of the usage status of the present invention patent

Wherein: 1 lower base 11 cartridge case profiling conical surface 12 lower dismantling thread 13 stop rotation pin lower pin hole 14 lower wrench matching position 15 plug matching hole 2 upper base 21 hoop matching conical surface 22 upper dismantling thread 23 hoop guiding surface 24 upper wrench matching position 25 nut matching thread 26 observation hole 3 elastic hoop 31 cylindrical clamping surface 32 locking conical surface 33 stop rotation pin upper pin hole 34 cylindrical guiding surface 35 elastic deformation groove 36 stop gap 37 stop diameter ring 4 tight setting nut 41 tight setting thread

The anti-slip rib 62 abdicating groove 63 of the anti-slip rib 61 of the anti-slip pin 6 of the anti-rotation pin 6 of the hexagonal matching hole 5 in the 42 carries the bullet shell of the 7 bullets, the shell of the 71 bullets, the primer of the bullets and the bullet heads of the 8 bullets.

Detailed Description

The following examples, which are set forth to provide those of ordinary skill in the art with a detailed description of the invention and are intended to be illustrative of the invention and not limiting in any way.

As shown in fig. 2-9, a bullet disassembling device comprises a lower base 1, an upper base 2, an elastic hoop 3, a fastening nut 4, a rotation stopping pin 5 and a rubber plug 6, wherein the upper end of the lower base 1 and the lower end of the upper base 2 are in threaded connection with an upper disassembling thread 22 of the upper base 2 through a lower disassembling thread 12 of the lower base 1, a bullet shell profiling conical surface 11 for accommodating a bullet shell is arranged in the center of the lower base 1, a lower pin hole 13 of the rotation stopping pin is processed at the upper end, and a plug matching hole 15 is processed at the lower end for inserting the rubber plug 6; the center of the upper base 2 is provided with a hoop matching conical surface 21 and a hoop guide surface 23 which are used for fixing the elastic hoop 3, and the upper end of the upper base is provided with a matching thread 25 matched with the fastening nut 4; a cylindrical clamping surface 31 (the joint of the bullet head and the bullet shell is cylindrical) is processed at the center of the elastic hoop 3 for tightly holding the bullet head of the bullet, and the outer side surface is a locking conical surface 32 for generating central locking movement; the outer circumference is distributed with an upper pin hole 33 matched with the rotation stopping pin for accommodating the rotation stopping pin 5, the middle part is provided with a reducing ring 37 for reducing the wall thickness and improving the elasticity, and the upper part is provided with a cylindrical guide surface 34 for forcibly guiding the up-and-down movement; the locking conical surface 32 and the reducing ring 37 are distributed with elastic deformation grooves 35 and crack stoppers 36, the elastic hoop 3 is fixed in the upper base 2, the upper end is fixed by a locking nut 4 and fixed with the lower base 1 through a rotation stopping pin 5, and the rubber plug 6 is fixed in the plug matching hole 15 of the lower base 1.

Details of the respective components:

as shown in fig. 3, the center of the lower base 1 is provided with a shell profiling conical surface 11 for accommodating a shell 7 of a bullet, different bullets are designed into different shell profiling conical surfaces, and two rotation stopping pin lower pin holes 13 are symmetrically arranged on the upper end surface for accommodating the rotation stopping pins 5; the outer surface is a lower disassembly thread 12, and the outer surface of the lower end is symmetrically provided with lower wrench matching positions 14 for inserting a standard wrench to assist twisting when the disassembly and ejection resistance is overlarge; the lower end surface is provided with a plug fitting hole 15 for inserting the rubber plug 6 to prevent the bullet shell 7 from falling out after disassembly and protect the bullet primer 71 from accidental impact.

As shown in fig. 4, the lower end of the upper base 2 has an upper dismantling thread 22 to match with the lower dismantling thread 12 of the lower base 1, and the center of the upper base 2 has a hoop matching conical surface 21 and a hoop guide surface 23, so that the elastic hoop 3 is elastically deformed by being symmetrically shrunk along the center while moving downwards; the external part is provided with an upper wrench matching position 24 for inserting a standard wrench to assist twisting when the elastic removal resistance is overlarge; the top is provided with a nut matching thread 25 for matching with the fastening nut 4 to complete the pressing action; there are viewing holes 26 on the sides to define the mating location.

As shown in fig. 5, the center of the lower end of the elastic hoop 3 is provided with a cylindrical clamping surface 31 for tightly holding the bullet warhead 8, and the cylindrical clamping surfaces with different diameters are designed for the bullets with different calibers; the side surface is provided with a locking conical surface 32 (the lower part is small and the upper part is large) for generating central locking movement; two anti-rotation pin upper pin holes 33 are symmetrically distributed on the circumference of the lower end of the connecting rod and used for accommodating the anti-rotation pins 5; the upper part is provided with a cylindrical guide surface 34 for forcibly guiding the up-and-down movement; a reducing ring 37 is designed between the locking conical surface 32 and the cylindrical guide surface 34 to reduce the wall thickness and improve the elasticity, the reducing ring 37 is cylindrical, the outer diameter is smaller than the diameters of the locking conical surface 32 and the cylindrical guide surface 34 connected with the reducing ring 37, the elastic hoop 3 is designed with an elastic deformation groove 35 and a crack stop 36 to prevent the elastic hoop from being damaged due to excessive deformation while generating elasticity, the elastic deformation groove 35 extends to the reducing ring 37 from the lower end surface of the elastic hoop 3 along the axial direction to the upper part, the tail end is communicated with the crack stop 36, and the crack stop 36 is positioned in the reducing ring 37 and is a round hole vertical to the surface of the reducing ring 37.

As shown in fig. 6, the fastening nut 4 has a fastening thread 41 on the outer portion for connecting to the upper base 1 and a hexagonal socket 42 in the center for inserting a standard wrench to rotate to generate a pressing action.

As shown in fig. 7, the rotation preventing pin 5 is embedded into the lower pin hole 13 of the rotation preventing pin and the upper pin hole 33 of the rotation preventing pin at the same time, so that when the upper base 2 is twisted, the elastic hoop 3 cannot rotate along with the rotation preventing pin, and the bullet warhead 8 is prevented from being scratched by the cylindrical clamping surface 31.

As shown in fig. 8, the rubber stopper 6 has an annular anti-slip rib 61 on its outer surface to prevent it from easily coming off; the upper part is uniformly provided with a receding groove 62 for inserting a standard straight screwdriver to assist in withdrawing the bullet shell 7 when the bullet shell is not easy to be withdrawn; the bottom of the shell is provided with a handle 63 used for pulling out the plug after the disassembly is finished and taking out the shell.

As shown in fig. 9, the specific application process of the present invention is as follows:

firstly, inserting a bullet from the center of the lower end of a lower base 1 and tightly pushing the bullet to enable a bullet shell 7 to be tightly attached to a shell profiling conical surface 11; then, the rubber plug 6 is inserted into the plug matching hole 15 to be pushed tightly, and is rotated to align the arbitrary abdicating groove 62 with the lower wrench matching position 14; then, combining the upper base 2 and the lower base 1, screwing in, and checking through the observation hole 26 on the side until the combination part of the bullet shell 7 and the bullet head 8 moves to the center of the observation hole 26; at the moment, a corresponding standard inner hexagonal wrench is inserted into the inner hexagonal matching hole 42 in the center of the fastening nut 4 and is fastened towards the screwing direction, and under the action of the hoop guide surface 23 of the upper base 2, the hoop matching conical surface 21 is retracted inwards until the cylindrical clamping surface 31 in the center of the elastic hoop 3 evenly holds the bullet head 8 of the bullet; finally, the whole device is ensured to be in a vertical state (as shown in fig. 9), the lower base 1 and the upper base 2 are respectively held by two hands and are unscrewed with force until the bullet shell 7 and the bullet head 8 are completely separated, and the lower base 1 and the upper base 2 are completely separated; when the disassembly resistance is too large, a corresponding standard wrench can be inserted into the lower wrench matching position 14 and the upper wrench matching position 24 for auxiliary torsion; after the separation, the locking nut 4 is rotated reversely by using a standard inner hexagonal wrench, and then the bullet warhead 8 can be released and taken out; the handle 63 is pinched and the rubber plug 6 is slowly drawn out downwards, and then the bullet shell 7 can be taken out; when the bullet case 7 is not easy to be separated, the lower wrench matching position 14 and the abdicating groove 62 can be inserted into a standard straight screwdriver to pry the bullet case, and then the bullet case can be taken out.

Claims

1. The utility model provides a bullet detaching device which characterized by: the device comprises a lower base (1), an upper base (2), an elastic hoop (3), a fastening nut (4), a rotation stopping pin (5) and a rubber plug (6), wherein the upper end of the lower base (1) is connected with the lower end of the upper base (2) through threads, the center of the lower base (1) is provided with a shell copying conical surface (11) for accommodating a shell of a bullet, the upper end of the lower base is provided with a lower pin hole (13) of the rotation stopping pin, and the lower end of the lower base is provided with a plug matching hole (15) for inserting the rubber plug (6); the center of the upper base (2) is provided with a hoop matching conical surface (21) and a hoop guide surface (23) for fixing the elastic hoop (3), and the upper end of the upper base is provided with a matching thread (25) matched with the fastening nut (4); a cylindrical clamping surface (31) is processed at the center of the elastic hoop (3) and used for tightly holding the bullet of the bullet, and the outer side surface of the elastic hoop is a locking conical surface (32) and used for generating central locking movement; upper pin holes (33) matched with the rotation stopping pins are distributed on the outer circumference of the upper guide plate and used for accommodating the rotation stopping pins (5), and a cylindrical guide surface (34) is arranged at the upper part of the upper guide plate and used for forcibly guiding the up-and-down movement; elastic deformation grooves (35) and crack-stopping openings (36) are distributed on the locking conical surface (32), the elastic hoop (3) is fixed in the upper base (2), the upper end of the elastic hoop is fixed by a fastening nut (4) and is fixed with the lower base (1) through a rotation-stopping pin (5), and the rubber plug (6) is fixed in a plug matching hole (15) of the lower base (1).

2. The firearm ammunition disassembling device of claim 1, wherein: the outer surface of the lower end of the lower base (1) is provided with a lower wrench matching position (14).

3. The firearm disassembling device according to claim 1, wherein: an upper wrench matching position (24) is processed on the outer surface of the upper end of the upper base (2).

4. The firearm disassembling device according to claim 1, wherein: the upper base (2) is provided with an observation hole (26) at the corresponding position of the joint of the warhead and the shell.

5. The firearm ammunition disassembling device of claim 1, wherein: the center of the fastening nut (4) is provided with an inner hexagonal matching hole (42).

6. The firearm ammunition disassembling device of claim 1, wherein: elastic hoop (3) have a reducing ring (37) between locking conical surface (32) and cylinder guide surface (34) design, reducing ring (37) appearance is the cylinder, the external diameter is less than the diameter of locking conical surface (32) and cylinder guide surface (34) rather than being connected, elastic deformation groove (35) begin to extend to reducing ring (37) along axial upper portion by the lower terminal surface of elastic hoop (3), the tail end communicates with each other with crack arrest mouth (36), crack arrest mouth (36) are in reducing ring (37), be the round hole on perpendicular to reducing ring (37) surface.

7. The firearm disassembling device according to claim 1, wherein: the outer part of the rubber plug (6) is provided with an annular anti-slip rib (61).

8. The firearm ammunition disassembling device of claim 1, wherein: the upper part of the rubber plug (6) is evenly provided with abdicating grooves (62) which can be matched with a standard straight screwdriver for use.

9. The firearm ammunition disassembling device of claim 1, wherein: the bottom of the rubber plug (6) is provided with a handle (63).