CN204655846U - A kind of extinguishing device and propelling charge cartridge case thereof - Google Patents
A kind of extinguishing device and propelling charge cartridge case thereof Download PDFInfo
- Publication number
- CN204655846U CN204655846U CN201520284366.6U CN201520284366U CN204655846U CN 204655846 U CN204655846 U CN 204655846U CN 201520284366 U CN201520284366 U CN 201520284366U CN 204655846 U CN204655846 U CN 204655846U
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- CN
- China
- Prior art keywords
- cartridge case
- propelling charge
- charge cartridge
- cylindrical shell
- housing cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 claims abstract description 28
- 239000003380 propellant Substances 0.000 claims abstract description 28
- 239000004744 fabric Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 14
- 239000003721 gunpowder Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model discloses a kind of extinguishing device and propelling charge cartridge case thereof, this propelling charge cartridge case comprises housing, and this housing has the housing cavity for filling propellant powder, particularly, this housing cavity is taper, and the port that diameter is little is that end placed by fuse, and the port that diameter is large is placement propellant powder port.The propelling charge cartridge case of this structure can make propellant powder Thorough combustion form air blast, the energy that gunpowder is produced instantaneously changes into intense shock wave, the transmission effect of more effective raising firing-fighting medium particularly, the combustion wave of propellant powder can Thorough combustion be converted into strong propelling movement power in conical vessel, improves emission efficiency.The combustion rate of the propellant powder in this propelling charge cartridge case can be improved by above-mentioned setting, thus improve the service life of this propelling charge cartridge case.
Description
Technical field
The utility model relates to technical field of fire control, in particular, relates to a kind of extinguishing device and propelling charge cartridge case thereof.
Background technology
As everyone knows, market exist various pyrotechnic or gas launcher.Certainly, this is the crucial node of of gas starter technological break-through.The operation principle of all these gas generators all based on buring solid fuel (this fuel and can not conflagration), in any case should carry out various possible perfect.Although they can be full of cartridge interior space, reach certain pressure and the propelling movement firing-fighting medium that releases energy within the several seconds, firing-fighting medium is made to form streaming impelling instantaneously.But these transmitters being emitted as the energy with gas can not burn with the program of moment detonation in thousand everys minute ands second, and high efficiency gunpowder shock wave can not be produced instantaneously high-power for firing-fighting medium projection is gone out.
Therefore, these gas launchers are the scapegoat of gas cylinder, have just saved weight and space in a sense, do not improve the energy reliability that transmitter produces required drive level.
Current propelling charge cartridge case technological level is low, and the particle produced after making the gunpowder in cylinder often occur non-Thorough combustion, makes cartridge case often have carburization zone, affects the normal use of propelling charge cartridge case.
In summary, how improving the gunpowder Thorough combustion in propelling charge cartridge case, and ensure the service life of propelling charge cartridge case, is those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of propelling charge cartridge case, ensures that gunpowder in propelling charge cartridge case can Thorough combustion, to improve the service life of propelling charge cartridge case.The utility model additionally provides a kind of extinguishing device with above-mentioned propelling charge cartridge case.
For achieving the above object, the utility model provides following technical scheme:
A kind of propelling charge cartridge case, comprise housing, described housing has the container for loading propellant powder, and wherein, the area of section of the bottom, chamber of described housing cavity is greater than the area of section that described housing cavity has igniter nose end.
Preferably, in above-mentioned propelling charge cartridge case, described housing comprises bonnet, cylindrical shell and the first gasket seal, the profile of described cylindrical shell is cylindrical shape, the inner chamber of described cylindrical shell is described housing cavity, described bonnet is connected with described cylindrical shell, and has the preformed hole be communicated with described igniter hole, for the dismountable other end being arranged on described cylindrical shell of described first gasket seal at the bottom of the chamber of sealed cylinder.
Preferably, in above-mentioned propelling charge cartridge case, described housing cavity is conical internal cavity.
Preferably, in above-mentioned propelling charge cartridge case, the angle of flare of described housing cavity is 30 °-45 °.
Preferably, in above-mentioned propelling charge cartridge case, described bonnet is connected by fixing plug screw with described cylindrical shell;
It is protruding that described bonnet axially has annulus outstanding vertically, and described housing has to project through with described annulus and is threaded.
Preferably, in above-mentioned propelling charge cartridge case, described cylindrical shell is plastic injection piece or described cylindrical shell is the cushion being filled with plastics, foam or quality of rubber materials between inner surface and outer surface.
Preferably, in above-mentioned propelling charge cartridge case, also comprise and be arranged on described housing cavity inside for compressing the second gasket seal of propellant powder.
Preferably, in above-mentioned propelling charge cartridge case, also comprise the cloth bag for accommodating described propellant powder, the shape of described cloth bag is identical with the shape of described housing cavity.
A kind of extinguishing device, comprise propelling charge cartridge case, wherein, described propelling charge cartridge case is the propelling charge cartridge case as described in above-mentioned any one.
Known via above-mentioned technical scheme, the utility model discloses a kind of propelling charge cartridge case, comprise housing, and this housing has the housing cavity for filling propellant powder, particularly, the area of section of the bottom, chamber of this housing cavity is greater than the area of section of housing cavity fuse cut ends, and namely housing cavity is cone-shaped cavity.The propelling charge cartridge case of this structure can make propellant powder Thorough combustion form air blast, and the energy that gunpowder is produced instantaneously changes into the air blast transmission ripple strengthening that intense shock wave makes gunpowder produce, and facilitates more effective transmission effect.Particularly, the combustion wave of propellant powder many times parts is strong shock wave from solid state transformed and to extending longitudinally, improve wave energy and emission efficiency while breaking through padding.The combustion rate of the propellant powder in this propelling charge cartridge case can be improved by above-mentioned setting, thus improve the service life of this propelling charge cartridge case.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of a kind of propelling charge cartridge case that Fig. 1 provides for the utility model embodiment;
The structural representation of the another kind of propelling charge cartridge case that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
Core of the present utility model is to provide a kind of propelling charge cartridge case, ensures that gunpowder in propelling charge cartridge case can Thorough combustion, to improve the service life of propelling charge cartridge case.Another core of the utility model is to provide a kind of extinguishing device with above-mentioned propelling charge cartridge case.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, the utility model discloses a kind of propelling charge cartridge case, comprise housing, and this housing has the housing cavity for filling propellant powder 4, particularly, the area of section of the bottom, chamber of this housing cavity is greater than the area of section that housing cavity has igniter hole 6 end, and namely the cross-sectional sizes of housing cavity is what reduce gradually.The propelling charge cartridge case of this structure can make propellant powder 4 Thorough combustion form air blast, and the energy that gunpowder is produced instantaneously changes into the air blast transmission ripple strengthening that intense shock wave makes gunpowder produce, and facilitates more effective transmission effect.Particularly, the combustion wave of propellant powder 4 many times parts is gaseous state from solid state transformed and to extending longitudinally, improve wave energy and emission efficiency while breaking through padding.The combustion rate of the propellant powder in this propelling charge cartridge case can be improved by above-mentioned setting, thus improve the service life of this propelling charge cartridge case.
In further embodiment, above-mentioned housing specifically comprises bonnet 1, cylindrical shell 3 and the first gasket seal 7.Wherein, the profile of cylindrical shell 3 is cylindrical shape, in practice, can use the cylinder of normal diameter, also can use other cylinders, needs the situation according to launching medium to select adaptive cylindrical shell 3 in reality.The inner chamber of this cylindrical shell 3 is housing cavity, and preferably, inner chamber is conical vessel structure.Particularly, this bonnet 1 is connected with one end of cylindrical shell 3, and particularly, be connected with the one end with igniter hole 6, and bonnet 1 has the preformed hole be communicated with igniter hole 6, the apparatus to cause bursting for electric ignition system stretches into inside.The first above-mentioned gasket seal 7 is arranged on the other end of cylindrical shell 3, the one end at the bottom of the chamber of cylindrical shell 3, for sealing the bottom of above-mentioned cylindrical shell 3.Particularly, this cylindrical shell 3 and the first gasket seal 7 removably connect, when after the first gasket seal 7 is separated with cylindrical shell 3 can by propellant powder 4 by the chamber of cylindrical shell 3 at the bottom of put into housing cavity, and then use the first gasket seal 7 sealed cylinder 3.Conveniently can be cleaned enclosure interior by above-mentioned setting, improve the service life of this propelling charge cartridge case further.
In another embodiment, housing can be set to split-type structural equally, can assembling process be simplified, improve installation effectiveness, split type structure can improve the service life of single parts, only can change the parts of single damage, and do not need integral replacing, thus reduce cost.
In specific embodiment, this housing cavity is conical cavity, and this structure is convenient to processing, and can improve the adequacy of the reaction of propellant powder.In addition, in practice, also the side of housing cavity at the bottom of chamber can be set to circular arc, be set to taper shape near the one end in igniter hole 6, the space of whole housing cavity can be increased like this, and pressure differential can be increased further, make reaction more abundant.Merely provide the mode that two kinds of taper kit containment are concrete in the application, the contracting that also can arrange other in practice becomes mode, as long as ensure that the area of section of the bottom, chamber of housing cavity is greater than the area of section that described housing cavity has igniter hole 6 end.During work, send electric pulse by the apparatus to cause bursting of electric ignition system to igniter and fire propellant powder 4, propellant powder 4, while firing, is subject to barrel taper structure and further compresses acceleration, forms the explosion velocity of explosion moment under this condition and reaches optimum state.Meanwhile, the appearance of this best air-flow is also made to possess corresponding condition in the moment of tapered opening place set pressure.
In preferred embodiment, the expansion angle of this housing cavity is set to 30 °-45 °, the bus angle of revolution size by taper cone barrel is set to 30 °-45 °.It will be appreciated by persons skilled in the art that can be different and need to select different angles according to explosive payload, to improve the pressure change of inside cavity while ensureing cavity size.
In further embodiment, above-mentioned bonnet 1 is connected by fixing plug screw 2 with cylindrical shell 3, and fixing plug screw 2 connects the sidewall in igniter hole 6 and the sidewall of preformed hole, merely provide the mode that a kind of concrete bonnet 1 is connected with cylindrical shell 3 herein, this fixing plug screw 2 also can connect the sidewall of bonnet 1 and the sidewall of cylindrical shell 3 in practice, as long as can realize being fixedly connected with of bonnet 1 and cylindrical shell 3.
In order to optimize technique scheme further, it is protruding that the circumference of the bonnet 1 in the application has circumferentially outstanding annulus, correspondingly, cylindrical shell 3 is provided with the groove with this annulus male cooperation, and groove projects through with annulus and is threaded.When being connected with cylindrical shell 3 bonnet 1, can first by protruding for annulus with groove fit clamping, then according to hand of spiral being located by connecting cylindrical shell 3 and bonnet 1, and then use fixing plug screw 2 to be fixedly connected with.
In order to reduce the weight of whole housing; to reduce the weight of whole propelling charge cartridge case; cylindrical shell 3 can be set to plastics or biological material injection molding body; or be set to metallic object; and cushion is filled between the inner surface and outer surface of cylindrical shell 3; this cushion can be plastics, foam or quality of rubber materials, and the concrete material for housing can be selected according to different needs, and all in protection domain.The weight of whole propelling charge cartridge case can be alleviated, to reach the object of portable and effective by above-mentioned setting.
Further in embodiment, this propelling charge cartridge case also comprises the second gasket seal 5 being arranged on housing cavity inside, and this second gasket seal 5, for compressing propellant powder 4, is arranged between propellant powder 4 and the first gasket seal 7.Material for the first gasket seal 7 and the second gasket seal 5 can be selected according to different needs, is not specifically limited at this.
On the basis of technique scheme, all parts connect all with the center line of bonnet 1 and cylindrical shell 3 for axis is placed, coaxial placement can improve the utilization rate of propellant powder.
Propelling charge cartridge case disclosed in the application also comprises the cloth bag for placing propellant powder 4, and the shape of this cloth bag is identical with the shape of housing cavity, and propellant powder 4 sends electric pulse by the apparatus to cause bursting of electric ignition system to igniter and fires gunpowder.Gunpowder, while firing, is subject to cartridge case pyramidal structure and further compresses acceleration, and under forming this condition, explosion explosion velocity instantaneously reaches optimum state.
The application also protects a kind of extinguishing device, and this extinguishing device has propelling charge cartridge case disclosed in above-described embodiment, and therefore, the extinguishing device with propelling charge cartridge case also has above-mentioned all technique effects, and this is no longer going to repeat them.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a propelling charge cartridge case, comprise housing, described housing has the housing cavity for loading propellant powder (4), it is characterized in that, the area of section of the bottom, chamber of described housing cavity is greater than described housing cavity and has the area of section held in igniter hole (6).
2. propelling charge cartridge case according to claim 1, it is characterized in that, described housing comprises bonnet (1), cylindrical shell (3) and the first gasket seal (7), the profile of described cylindrical shell (3) is cylindrical shape, the inner chamber of described cylindrical shell (3) is described housing cavity, described bonnet (1) is connected with described cylindrical shell (3), and there is the preformed hole be communicated with described igniter hole (6), for the dismountable other end being arranged on described cylindrical shell (3) of described first gasket seal (7) at the bottom of the chamber of sealed cylinder (3).
3. propelling charge cartridge case according to claim 2, is characterized in that, described housing cavity is conical internal cavity.
4. propelling charge cartridge case according to claim 3, is characterized in that, the angle of flare of described housing cavity is 30 °-45 °.
5. propelling charge cartridge case according to claim 2, is characterized in that, described bonnet (1) is connected by fixing plug screw (2) with described cylindrical shell (3);
It is protruding that described bonnet (1) circumference has circumferentially outstanding annulus, and described cylindrical shell (3) projects through with described annulus and is threaded.
6. propelling charge cartridge case according to claim 2, is characterized in that, described cylindrical shell (3) is for plastic injection piece or described cylindrical shell (3) are for being filled with the cushion of plastics, foam or quality of rubber materials between inner surface and outer surface.
7. propelling charge cartridge case according to claim 2, is characterized in that, also comprises and is arranged on described housing cavity inside for compressing second gasket seal (5) of propellant powder (4).
8. the propelling charge cartridge case according to any one of claim 1-7, is characterized in that, also comprise the cloth bag for accommodating described propellant powder (4), the shape of described cloth bag is identical with the shape of described housing cavity.
9. an extinguishing device, comprises propelling charge cartridge case, it is characterized in that, described propelling charge cartridge case is the propelling charge cartridge case as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284366.6U CN204655846U (en) | 2015-05-05 | 2015-05-05 | A kind of extinguishing device and propelling charge cartridge case thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284366.6U CN204655846U (en) | 2015-05-05 | 2015-05-05 | A kind of extinguishing device and propelling charge cartridge case thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204655846U true CN204655846U (en) | 2015-09-23 |
Family
ID=54126288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284366.6U Expired - Fee Related CN204655846U (en) | 2015-05-05 | 2015-05-05 | A kind of extinguishing device and propelling charge cartridge case thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204655846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104784849A (en) * | 2015-05-05 | 2015-07-22 | 长春远洋特种工业材料有限公司 | Fire extinguishing device and propellant cartridge thereof |
-
2015
- 2015-05-05 CN CN201520284366.6U patent/CN204655846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104784849A (en) * | 2015-05-05 | 2015-07-22 | 长春远洋特种工业材料有限公司 | Fire extinguishing device and propellant cartridge thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |