CN114719690A - Torpedo outer glass collision propulsion unit - Google Patents
Torpedo outer glass collision propulsion unit Download PDFInfo
- Publication number
- CN114719690A CN114719690A CN202210318420.9A CN202210318420A CN114719690A CN 114719690 A CN114719690 A CN 114719690A CN 202210318420 A CN202210318420 A CN 202210318420A CN 114719690 A CN114719690 A CN 114719690A
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- China
- Prior art keywords
- fuel
- cavity
- torpedo
- firing pin
- external
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 50
- 238000010304 firing Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 11
- 241000251729 Elasmobranchii Species 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B19/00—Marine torpedoes, e.g. launched by surface vessels or submarines; Sea mines having self-propulsion means
- F42B19/12—Propulsion specially adapted for torpedoes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a torpedo outer glass collision propulsion device, and belongs to the technical field of weaponry. The power unit is characterized by comprising a base body and a cover body, wherein a firing pin is arranged in the base body, a buffering component and a power unit are arranged in the firing pin, and two ends of the buffering component are respectively connected with the firing pin and the power unit; the power unit comprises an electrode and a fuel component, wherein the electrode comprises an electrode plug and a conductive pin, and the fuel component comprises a coating shell and fuel; a first sealing washer is arranged between the base body and the cover body. Under the pushing action of the power unit, the striker does not disengage and rotate, so that the stable operation effect is achieved. The effect when second seal ring and first seal ring can continue to make and promote the intracavity and keep sealed to reach and promote the chamber and carry out axial sealed, promote the gaseous work of burning after, avoid gas leakage, reach the range of propelling forward fast, guarantee shrapnel. Through the accurate setting to formation and fuel, the leakproofness that excels in makes the range of grenade more accurate.
Description
Technical Field
The invention relates to the technical field of weaponry, in particular to a torpedo outer glass collision propulsion device.
Background
Torpedoes are weapons used in the sea, and when the torpedoes are damaged or the torpedoes are explosion-proof, the glass outside the torpedoes needs to be crushed by impact. The propulsion devices used in impacting torpedo outer glass typically use pyrotechnic or smokeless powder as the fuel for propulsion. The fuel burns to generate gas, which expands violently in a narrow space, and the grenade is propelled and launched through the expansion of the air pressure. After fuel in the propelling device is combusted, a large amount of gas is generated to enable a narrow space to form high pressure, a plurality of gas leakage phenomena exist when the piston pushes a radial seal, the generated high-pressure gas cannot effectively do work, and therefore the effect of the high-pressure gas is reduced or lost.
Disclosure of Invention
In order to solve the problems, the invention provides a torpedo outer glass impact propulsion device which is good in sealing performance, high in safety coefficient and capable of pushing ultrahigh loads.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a torpedo outer glass collision propulsion device comprises a shell, wherein a fuel cavity and an accommodating cavity are arranged in the shell, the fuel cavity is communicated with the accommodating cavity, a power unit is arranged in the fuel cavity, and a firing pin is arranged in the accommodating cavity;
a hollow threaded plug is arranged between the shell and the firing pin, the hollow threaded plug is in threaded connection with the accommodating cavity, an operation cavity is arranged in the hollow threaded plug, and the firing pin slides in the operation cavity along the axial direction; a limit pin is arranged at one end of the hollow threaded plug, which is close to the fuel cavity, and the limit pin locks the firing pin;
the power unit comprises an electrode and a fuel component, wherein the electrode comprises an electrode plug and a conductive pin connected with the electrode plug, and the fuel component comprises a coating shell and fuel arranged in the coating shell.
Further, the inner diameter of the fuel cavity is smaller than that of the accommodating cavity, and a connecting boss is naturally formed at the connecting position of the fuel cavity and the accommodating cavity.
Further, a buffer washer is arranged on the connecting boss and used for buffering between the connecting boss and the firing pin.
Further, the striker includes an impact end and a sliding end, the impact end is disposed outside the operation cavity, and the sliding end is disposed in the operation cavity and moves outward in the axial direction on the inner wall of the operation cavity.
Furthermore, the striking end is pointed cone type, the external diameter of slip end is greater than the biggest external diameter of striking end, striking end and slip end department form first boss.
Further, the limit pin is disposed at the first boss and locks the striker by limiting the first boss.
Furthermore, a mounting hole for the sliding of the firing pin is formed in the end portion, close to the striking end side of the firing pin, of the hollow threaded plug, the inner diameter of the mounting hole is smaller than that of the operation cavity, and a second boss is formed between the mounting hole and the operation cavity.
Furthermore, an O-shaped groove is formed in the sliding end of the firing pin, an O-shaped sealing washer is arranged in the O-shaped groove, and the O-shaped sealing washer is tightly connected with the inner wall of the hollow threaded plug and locks the firing pin through friction force.
Further, the fuel is a combustible material.
The external glass collision propulsion device for the torpedo has the beneficial effects that:
(1) the striker in the invention runs in the mounting hole, and the running cavity in the hollow threaded plug is a cavity with fixed length, so the striker can be pushed in the hollow threaded plug according to a specific stroke, and the path is stable. Meanwhile, the hollow thread plug provided with the mounting hole is provided with a second step, the sliding end of the firing pin is provided with a first step, the first step and the second step are mutually matched, and meanwhile, the firing pin is not separated and does not rotate under the pushing action of the power unit, so that the effect of stable operation is achieved.
(2) According to the invention, the limit pin is set, and before fuel driving, the striker can be locked at the initial position by the blocking of the limit pin, so that the limit pin has a positioning effect on the striker. Meanwhile, the limiting pin is also beneficial to storage and transportation of the grenade, and the safety factor is improved.
(3) The O-shaped sealing washer is additionally arranged, the O-shaped sealing washer is tightly contacted with the inner wall of the hollow threaded plug, a closed space can be formed between the sliding end of the firing pin and the combustion chamber, the space has good sealing performance, a large amount of gas generated by high-speed combustion instantly fills the closed space between the sliding end of the firing pin and the combustion chamber to form high-pressure gas, the firing pin is pushed out at high speed, the pushing force of not less than 1800N +/-5 percent is provided, and the firing pin with a sharp head is made to impact the torpedo glass, so that the glass crushing effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
1-shell 1, 2-fuel cavity, 3-containing cavity, 4-firing pin, 5-hollow threaded plug, 6-operation cavity, 7-limit pin, 8-electrode plug, 9-conductive pin, 10-fuel component, 11-cladding shell; 12-connecting boss, 13-buffer gasket, 14-mounting hole, 15-second boss;
401-impact end, 402-sliding end, 403-first boss, 404-O-ring seal.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A torpedo outer glass collision propulsion device comprises a shell 1, wherein a fuel cavity 2 and an accommodating cavity 3 are arranged in the shell 1, the fuel cavity 2 is communicated with the accommodating cavity 3, a power unit is arranged in the fuel cavity 2, and a firing pin 4 is arranged in the accommodating cavity 3.
It is further noted that a hollow threaded plug 5 is arranged between the housing 1 and the firing pin 4, and the hollow threaded plug 5 is screwed in the accommodating cavity 3; an operation cavity 6 is arranged in the hollow threaded plug 5, and the firing pin 4 slides in the operation cavity 6 along the axial direction; a limit pin 7 is arranged at one end of the hollow threaded plug 5 close to the fuel cavity 2, and the striker 4 is locked by the limit pin 7;
it is further noted that the power unit includes an electrode including an electrode plug 8 and a conductive pin 9 connected to the electrode plug 8, and a fuel part 10 including a sheathing case 11 and a fuel disposed inside the sheathing case 11. One end of a conductive pin 9 of the power unit is inserted into the fuel, and the other end is led out and is communicated with an external power supply. The electrode plug 8 is formed by sintering glass and expandable alloy together with the electrode, and has the function of conducting electricity. An electrode plug 8 is provided between the fuel and the current conducting pin 9 to facilitate ignition of the fuel. When the power supply is switched on, the conductive pin 9 is connected with the electrode plug 8, so that the electrode plug 8 is electrified to ignite the fuel inside, the fuel is instantly combusted to generate gas, and the gas does work on the striker 4 in a narrow space to push the striker 4 to push outwards so as to impact glass.
The invention has simple structure, only needs direct current 5A for electric signal input, has high safety performance, ensures that the electric input end is in short circuit, can prevent accidental fuel combustion action, and can not perform accidental action for 5min under the load condition of 1A 1W.
Specifically, the inner diameter of the fuel cavity 2 is smaller than that of the accommodating cavity 3, and a connecting boss 12 is naturally formed at the connecting part of the fuel cavity 2 and the accommodating cavity 3. The connecting boss 12 is provided with a buffer gasket 13, the buffer gasket 13 is an O-shaped buffer gasket 13, and the O-shaped buffer gasket 13 can form a certain buffer space between the combustion chamber and the firing pin 4, and the buffer space is favorable for accumulating and compressing gas during high-speed combustion of fuel and is favorable for pushing the firing pin 4.
It should be further noted that the striker 4 includes a striking end 401 and a sliding end 402, the striking end 401 is disposed outside the operating cavity 6, and the sliding end 402 is disposed inside the operating cavity 6 and runs axially outward on the inner wall of the operating cavity 6.
Specifically, the striking end 401 is tapered, the outer diameter of the sliding end 402 is larger than the maximum outer diameter of the striking end 401, and a first boss 403 is formed at the striking end 401 and the sliding end 402. This design of the striker 4 forms the striker 4 into a "T" shape, and the stopper pin 7 is provided at the first boss 403 and locks the striker 4 by stopping the first boss 403.
The limit pin 7 is a protection device, and is usually made of plastic or metal sheet, and during storage or transportation, the limit pin 7 is perpendicular to the axial direction of the striker 4, and the limit pin 7 mainly has a locking function. After the fuel is burnt, a large amount of gas is generated, the gas pushes the firing pin 4 to operate, the pushing force shears the limiting pin 7 from the inner surface of the hollow threaded plug 5, and after the resistance of the limiting pin 7 is lost, the firing pin 4 is freely pushed out.
It should be further noted that the end of the hollow threaded plug 5 near the striking end 401 of the striker 4 is provided with a mounting hole 14 for sliding the striker 4, the inner diameter of the mounting hole 14 is smaller than the inner diameter of the operating cavity 6, and a second boss 15 is naturally formed between the mounting hole 14 and the operating cavity 6. The second boss 15 and the first boss 403 cooperate with each other to ensure that the striker 4 does not come out of the hollow threaded plug 5 after the striker 4 is pushed out, which may have serious consequences.
In the process, as the outer surface of the hollow threaded plug 5 is provided with the external thread, the inner surface of the accommodating cavity 3 of the shell 1 is provided with the internal thread, and the hollow threaded plug 5 is screwed into the accommodating cavity 3, the hollow threaded plug 5 cannot fall off the shell 1 in the process of pushing the striker 4 by gas, and the striker 4 does not fall off the hollow threaded plug 5, so that the whole device is safer.
It should be further noted that the sliding end 402 of the striker 4 is provided with an O-shaped groove, an O-shaped sealing washer 404 is arranged in the O-shaped groove, and the O-shaped sealing washer 404 is tightly connected with the inner wall of the hollow threaded plug 5 and locks the striker 4 by friction. The O-shaped sealing washer 404 is tightly contacted with the inner wall of the hollow threaded plug 5, so that a closed space can be formed between the sliding end of the firing pin 4 and the combustion chamber, the space has good sealing performance, a large amount of gas generated by high-speed combustion is instantly filled in the closed space between the sliding end of the firing pin 4 and the combustion chamber to form high-pressure gas, the firing pin 4 is pushed out at high speed, the thrust of not less than 1800N +/-5 percent is provided, the firing pin 4 with a sharp head is made to impact the torpedo glass, and the effect of crushing the glass is achieved.
It should be further noted that the fuel in the present invention is a combustible material, and the combustible material is generally a combustible material, including an electrically combustible material such as gunpowder and petroleum, and is generally preferably gunpowder for easy cladding.
The invention has simple structure, the electric signal input only needs direct current 5A, the fuel combustion is initiated by electric conduction, the pushing force effect generated by the combustion is not lower than 1800N +/-5 percent, the pushing stroke of the striker 49 is controllable, the stroke range is 8mm +/-0.2, the small pushing product can generate high driving force to do work, and the invention has the characteristics of good safety and high reliability.
The invention has good sealing performance, and can be stored for 12 years for a long time; the safety performance is high, the hammer 49 cannot be disengaged to cause serious consequences even if the hammer is actuated in other unexpected conditions, and the hammer cannot be actuated in 5min under the condition of 1A1W load.
Example 2
A torpedo outer glass collision propulsion device is shown in figure 1, and the assembly method comprises the following steps:
(1) an O-shaped sealing washer 404 is sleeved on the impact end 401 of the striker 4, then the impact end 401 of the striker 4 is firstly placed into an operation cavity 6 formed by the hollow threaded plug 5, the placing sequence is that the striker 4 is placed from the operation cavity 6 to the mounting hole 14, the pushing of the striker 4 is stopped after the first boss 403 is contacted with the limit pin 7, and at the moment, the striker 4 and the hollow threaded plug 5 form a whole;
(2) an O-shaped buffer washer 13 is placed on a connecting boss 12 of the shell 1, and then the hollow threaded plug 5 with the firing pin 4 is placed into the accommodating cavity 3 in a whole;
(3) the fuel cavity 2 is filled with fuel and the electrode plug 8, and the pin is inserted.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
Finally, it should be noted that: the embodiment of the present invention is disclosed only as a preferred embodiment of the present invention, which is only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a glass striking advancing device outside torpedo, includes the casing, its characterized in that: a fuel cavity and an accommodating cavity are arranged in the shell, the fuel cavity is communicated with the accommodating cavity, a power unit is arranged in the fuel cavity, and a firing pin is arranged in the accommodating cavity;
a hollow threaded plug is arranged between the shell and the firing pin, the hollow threaded plug is in threaded connection with the accommodating cavity, an operation cavity is arranged in the hollow threaded plug, and the firing pin slides in the operation cavity along the axial direction; a limit pin is arranged at one end of the hollow threaded plug, which is close to the fuel cavity, and the limit pin locks the firing pin;
the power unit comprises an electrode and a fuel component, wherein the electrode comprises an electrode plug and a conductive pin connected with the electrode plug, and the fuel component comprises a coating shell and fuel arranged in the coating shell.
2. The external torpedo glass impact propulsion unit of claim 1, further comprising: the inner diameter of the fuel cavity is smaller than that of the accommodating cavity, and a connecting boss is naturally formed at the connecting part of the fuel cavity and the accommodating cavity.
3. The external torpedo glass impact propulsion unit of claim 1, further comprising: the connecting boss is provided with a buffer gasket, and the buffer gasket is used for buffering between the connecting boss and the firing pin.
4. The external torpedo glass impact propulsion unit of claim 1, further comprising: the striker comprises an impact end and a sliding end, the impact end is arranged outside the operation cavity, and the sliding end is arranged in the operation cavity and moves outwards along the axial direction on the inner wall of the operation cavity.
5. The external torpedo glass impact propulsion unit of claim 1, further comprising: the striking end is pointed cone type, the external diameter of slip end is greater than the biggest external diameter of striking end, striking end and slip end department form first boss.
6. The external torpedo glass impact propulsion unit of claim 1, further comprising: the limit pin is arranged at the first boss and locks the striker by limiting the first boss.
7. The external torpedo glass impact propulsion unit of claim 1, further comprising: and a mounting hole for the sliding of the striker is formed in the end part of the hollow threaded plug close to the impact end side of the striker, the inner diameter of the mounting hole is smaller than that of the operation cavity, and a second boss is formed between the mounting hole and the operation cavity.
8. The external torpedo glass impact propulsion unit of claim 3, characterized in that: the sliding end of the firing pin is provided with an O-shaped groove, an O-shaped sealing washer is arranged in the O-shaped groove, and the O-shaped sealing washer is tightly connected with the inner wall of the hollow threaded plug and locks the firing pin through friction force.
9. The external torpedo glass impact propulsion unit of claim 1, further comprising: the fuel is a combustible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318420.9A CN114719690A (en) | 2022-03-29 | 2022-03-29 | Torpedo outer glass collision propulsion unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318420.9A CN114719690A (en) | 2022-03-29 | 2022-03-29 | Torpedo outer glass collision propulsion unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114719690A true CN114719690A (en) | 2022-07-08 |
Family
ID=82238963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210318420.9A Pending CN114719690A (en) | 2022-03-29 | 2022-03-29 | Torpedo outer glass collision propulsion unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114719690A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322706A (en) * | 1980-12-15 | 1982-03-30 | Kearney-National, Inc. | Piston actuated striker for electric fuse |
| US20020112599A1 (en) * | 2000-11-10 | 2002-08-22 | Feliciano Sabates | Recoilless impact device |
| CN208698720U (en) * | 2018-07-25 | 2019-04-05 | 西安诚乐科工贸有限责任公司 | Window breaker |
| CN209019798U (en) * | 2018-08-11 | 2019-06-25 | 湖南安民科技有限责任公司 | Multipurpose ram |
| CN113187623A (en) * | 2021-03-31 | 2021-07-30 | 上海新力动力设备研究所 | Temperature excitation type self-starting safety pressure relief device for solid rocket engine |
-
2022
- 2022-03-29 CN CN202210318420.9A patent/CN114719690A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322706A (en) * | 1980-12-15 | 1982-03-30 | Kearney-National, Inc. | Piston actuated striker for electric fuse |
| US20020112599A1 (en) * | 2000-11-10 | 2002-08-22 | Feliciano Sabates | Recoilless impact device |
| CN208698720U (en) * | 2018-07-25 | 2019-04-05 | 西安诚乐科工贸有限责任公司 | Window breaker |
| CN209019798U (en) * | 2018-08-11 | 2019-06-25 | 湖南安民科技有限责任公司 | Multipurpose ram |
| CN113187623A (en) * | 2021-03-31 | 2021-07-30 | 上海新力动力设备研究所 | Temperature excitation type self-starting safety pressure relief device for solid rocket engine |
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Application publication date: 20220708 |