CN211476873U - High-flow-rate air valve for gas gun launching device - Google Patents
High-flow-rate air valve for gas gun launching device Download PDFInfo
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- CN211476873U CN211476873U CN201922298272.5U CN201922298272U CN211476873U CN 211476873 U CN211476873 U CN 211476873U CN 201922298272 U CN201922298272 U CN 201922298272U CN 211476873 U CN211476873 U CN 211476873U
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Abstract
A high-flow-rate air valve for an air gun launching device is characterized in that an air inlet switch of an external high-pressure air source is opened, so that compressed air enters a cavity between a tail cover and a valve core through an air inlet channel, then the compressed air enters a cavity A, finally the compressed air in the cavity A enters an air storage bottle through an air charging hole for storage, and when the air storage bottle is full of the compressed air, the air inlet switch of the external high-pressure air source is closed; when air needs to be discharged, an air discharge switch of an external high-pressure air source is opened, compressed air is discharged out of the valve body along the air inlet channel, the valve core moves towards the tail cover in the compressed air discharging process until the air discharge hole is correspondingly communicated with the air discharge channel, and finally the compressed air in the air storage bottle is output from the air discharge channel at a high speed to provide kinetic energy for shells of the air cannon; the impact force applied to the shell by the compressed air can be calculated by calculating the flow velocity of the compressed gas, so that the damage bearing capacity of the armor shell can be easily calculated, and the error of the damage bearing capacity is small.
Description
Technical Field
The utility model belongs to the technical field of the air current valve technique and specifically relates to a high velocity of flow pneumatic valve for gas big gun emitter is related to.
Background
As is known, a tank shell armor, a deck armor of an aircraft carrier and a missile shell need to be subjected to a series of detection before being used, wherein when the armor shell is subjected to hardness detection, explosive explosion or a shell is shot by a light gun for measurement is traditionally adopted, wherein when the armor shell is damaged by explosive explosion, although the explosive equivalent can be used as the maximum damage data for measuring the bearing capacity of the armor shell, the impact force generated after the explosive explosion is relatively dispersed, so that the bearing capacity of the armor shell is smaller than that of the explosive, and the detected bearing capacity error of the armor shell is relatively large;
when the shell launched by the light gas gun shoots the armor shell, although the impact force of the shell on the armor shell is concentrated, the launching device of the light gas gun generally adopts compressed air as a power source, and the compressed air is generated in two modes, one mode is to generate the compressed air through gunpowder combustion so as to push the shell to launch, and the gun powder needs to be refilled when the shell is launched each time, so that the operation is more complicated when the mode is utilized, and the thrust generated by the mode is unstable, so that the acting force of the compressed air on the shell cannot be judged; in view of the above, there is a need in the market for a device that can not only facilitate the operation of a light gas cannon, but also control the force of the cannon to launch the cannon, thereby accurately obtaining the damage tolerance of the armor shell.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a high-flow-rate air valve for a gas gun launching device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high flow rate air valve for an air cannon launching device comprises a shell, a valve core assembly and a tail cover; the shell is of a hollow cylindrical structure with an open tail end, an air discharging channel is arranged on the head end surface of the shell, one end of the air discharging channel is correspondingly communicated with the inner cavity of the shell, the other end of the air discharging channel is communicated with an external air gun launching device through a pipeline, the head end of the tail cover is correspondingly and hermetically connected with the tail end of the shell, the tail cover is provided with an air inlet channel and an air charging hole, one end of the air inlet channel is correspondingly communicated with the output end of an external high-pressure air source and the external atmosphere through a three-way electromagnetic valve, and the other end of the air inlet channel is correspondingly communicated;
the valve core assembly is positioned in an inner cavity of the shell, the valve core assembly comprises a valve core sleeve and a valve core capable of moving in the valve core sleeve along an axis, the valve core is of a cylindrical structure, an air outlet channel with an air outlet positioned on the outer edge surface of the valve core is arranged in the valve core, the head end surface of the valve core is correspondingly abutted against the inner side surface of the head end of the shell, the outer edge surface of the head end of the valve core is provided with an annular step, the head end surface of the valve core can block an inner end port of the air outlet channel, the tail end surface of the valve core is provided with a one-way valve, the air inlet end of the one-way valve faces the port of the;
the valve core sleeve is sleeved outside the valve core, the pipe body of the valve core sleeve is provided with an air outlet hole and an air vent, the orifice of the air outlet hole corresponds to the port of the air outlet channel, the orifice of the air vent corresponds to the annular step at the head end of the valve core, the head end of the valve core sleeve is correspondingly and fixedly connected with the inner side surface of the head end of the shell, and the tail end of the valve core sleeve is correspondingly sealed and abutted against the head end surface of the tail cover; a cavity between the outer wall surface of the valve core sleeve and the inner wall surface of the shell is set as a cavity A, the cavity A is correspondingly communicated with an orifice at one end of a tail cover inflation hole, and an orifice at the other end of the inflation hole is correspondingly communicated with an external gas storage bottle through a pipeline;
preferably, the vertical step surface of the annular step at the head end of the valve core is an inclined surface, and the inclined surface corresponds to the hole opening of the air vent;
preferably, the inflation holes are arranged into a plurality of arc-shaped waist holes which are circumferentially arranged;
preferably, the air outlet channels are provided with a plurality of air outlet channels which are correspondingly communicated with the air outlets of the one-way valves, the air outlet holes are provided with a plurality of air outlet holes, and the orifices of the air outlet holes are in one-to-one correspondence with the ports of the air outlet channels;
preferably, an anti-rotation mechanism for preventing the valve core sleeve from rotating is arranged between the head end of the valve core sleeve and the inner side of the head end of the shell;
preferably, the air inlet of the one-way valve is smaller than the corresponding port of the air inlet channel;
preferably, the outer edge surface of the valve core is provided with a guide wear-resisting ring;
preferably, a sealing ring is arranged at a position, corresponding to the head end of the valve core, of the inner side surface of the head end of the shell;
preferably, the head end face of the tail cover is provided with a buffer ring corresponding to the tail end of the valve core, and the end face of the buffer ring protrudes out of the end face of the tail cover;
preferably, the shell is provided with a pressure gauge for detecting the air pressure of the cavity A.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a high velocity of flow pneumatic valve for gas big gun emitter, through adjusting solenoid valve to the air intake state, let outside high pressurized air source and inlet channel communicate, make the compressed air that outside high pressurized air source produced get into the cavity between tail-hood and the case through inlet channel, then compressed air rethread check valve, air outlet channel and venthole get into in the cavity A, the compressed air in the cavity A gets into the gas bomb through the inflation hole at last and stores, when the gas bomb is full of compressed air, stop the work of outside high pressurized air source again; when air needs to be discharged, the electromagnetic valve is adjusted to a gas discharging state, external atmosphere is correspondingly communicated with the air inlet channel, compressed air in a cavity between the tail cover and the valve core is discharged out of the valve body along the air inlet channel due to the action of the one-way valve, the valve core moves towards the tail cover direction under the thrust action of compressed air in the cavity A on the annular step at the head end of the valve core through the gas discharging hole in the process of discharging the compressed air, and the compressed air in the cavity A rapidly flows into the gas discharging channel through the gas discharging hole after a gap is formed between the head end surface of the valve core and the inner side surface of the head end of the shell, so that the valve core is rapidly pushed towards the tail cover direction, the gas discharging hole is thoroughly communicated with the gas discharging channel, and finally the compressed air in the gas storage bottle is output at high speed through the cavity A, the gas discharging hole and the gas discharging channel to provide kinetic; because only through the solenoid valve control of valve body, just can realize the removal of case in the case cover pipe, realize the switching of gas charging state and gassing state promptly to control compressed air's velocity of flow, it is more convenient to let light gas big gun's operation, and can calculate the impact force that compressed air applyed to the shell through calculating compressed gas's velocity of flow, and then light calculate the load of armor shell, and the error that should bear the load is less moreover.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the tail cover.
In the figure: 1. a housing; 1.1, an air discharge channel; 1.2, sealing rings; 1.3, a pressure gauge; 2. a tail cover; 2.1, an air inlet channel; 2.2, inflating holes; 2.3, a buffer ring; 3. a valve core; 3.1, an air outlet channel; 3.2, a one-way valve; 3.3, guiding the wear-resistant ring; 4. a spool sleeve; 4.1, air outlet holes; 4.2, air bleeding holes; 5. a cavity A; 6. a three-way electromagnetic valve; 7. and (4) a high-pressure gas source.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
The high-flow-rate air valve for the air cannon launching device, which is described in the combination of the attached drawings 1-2, comprises a shell 1, a valve core assembly and a tail cover 2; the shell 1 is a hollow cylindrical structure with an opening at the tail end, an air discharge channel 1.1 is arranged on the head end surface of the shell 1, one end of the air discharge channel 1.1 is correspondingly communicated with the inner cavity of the shell 1, the other end of the air discharge channel 1.1 is communicated with an external air cannon launching device through a pipeline, the head end of the tail cover 2 is correspondingly and hermetically connected with the tail end of the shell 1, according to the requirement, the head end surface of the tail cover 2 is provided with a buffer ring 2.3 corresponding to the tail end of the valve core 3, the end surface of the buffer ring 2.3 protrudes out of the end surface of the tail cover 2, when the valve core 3 moves towards the tail cover 2, the buffer ring 2.3 can reduce the acting force when the valve core 3 contacts with the end face of the tail cover 2, thereby effectively protecting the valve core 3 and the tail cover 2, the tail cover 2 is provided with an air inlet channel 2.1 and an air charging hole 2.2, one end of the air inlet channel 2.1 is respectively and correspondingly communicated with the output end of an external high-pressure air source 7 and external atmosphere through a three-way electromagnetic valve 6;
the valve core assembly is positioned in the inner cavity of the shell 1, the valve core assembly comprises a valve core sleeve 4 and a valve core 3 which can move in the valve core sleeve 4 along an axis, the valve core 3 is of a cylindrical structure, in addition, a guide wear-resistant ring 3.3 is arranged on the outer edge surface of the valve core 3, when the valve core 3 moves in the valve core sleeve 4 through the guide wear-resistant ring, the rotation of the valve core 3 can be avoided, so that the condition that the air outlet channels 3.1 and the air outlet holes 4.1 do not correspond to each other is prevented, the outer edge surface of the valve core 3 is provided with the air outlet channels 3.1, the air outlet channels 3.1 are provided with a plurality of air outlet channels according to requirements, the air outlet channels 3.1 are correspondingly communicated with the air outlet of the one-way valve 3.2, the air outlet holes 4.1 are provided with a plurality of air outlet holes 4.1, the hole openings of the air outlet channels are in one-to-one correspondence with the ports of the air outlet channels 3.1, and, thereby improving the gas storage speed of the gas storage cylinder; the head end face of the valve core 3 is correspondingly abutted against the inner side face of the head end of the shell 1, the head end face of the valve core 3 can block an inner side end port of the air discharge channel 1.1, at the moment, the valve core is in an inflation state, and compressed air can enter the air storage bottle from the cavity A5 only by blocking the air discharge channel 1.1 by the head end of the valve core 3;
according to the requirement, a sealing ring 1.2 is arranged at the corresponding position of the inner side surface of the head end of the shell 1 and the head end of the valve core 3, the sealing ring 1.2 can lead the head end of the valve core 3 to more tightly block the air discharge channel 1.1, further improves the sealing performance of the valve body, the tail end face of the valve core 3 is provided with a one-way valve 3.2, the check valve 3.2 can prevent the compressed air from flowing backwards, so that the valve core 3 can move towards the tail cover 2 when in a deflation state, the air inlet end of the check valve 3.2 faces to the port of the air inlet channel 2.1 of the tail cover 2, and besides, the inlet of said one-way valve 3.2 is smaller than the corresponding port of the inlet channel 2.1 and, when changing from the deflated condition to the inflated condition, because the inlet channel 2.1 has a larger port, the compressed air will also generate force to the tail end face of the valve core 3 when inputting, thereby the valve core 3 acts faster, the air outlet end of the one-way valve 3.2 is positioned in the valve core 3 and correspondingly communicated with the air outlet channel 3.1;
the valve core sleeve 4 is sleeved outside the valve core 3, the pipe body of the valve core sleeve 4 is provided with an air outlet 4.1 and an air vent 4.2, the orifice of the air outlet 4.1 corresponds to the port of the air outlet channel 3.1, the air vent 4.2 is positioned at the head end of the valve core sleeve 4, when the valve core 3 moves to the tail end of the valve core sleeve 4, the air vent 4.2 can be correspondingly communicated with the air vent channel 1.1, the outer edge surface of the head end of the valve core 3 is provided with an annular step as required, the vertical step surface of the step corresponds to the hole opening of the air vent 4.2 and is arranged as an inclined surface, when the valve body is in an air release state, the compressed air in the cavity a5 will exert a force on the ramp, venting the air inlet passage 2.1 outwardly, so that the valve core 3 can rapidly move towards the tail cover 2, the air vent 4.2 can be rapidly communicated with the air vent channel 1.1, compressed air can be output from the air discharge channel 1.1 at high speed, and finally, the shell is provided with launching power;
the head end of the valve core sleeve 4 is correspondingly and fixedly connected with the inner side surface of the head end of the shell 1, particularly, an anti-rotation mechanism for preventing the valve core sleeve 4 from rotating is arranged between the head end of the valve core sleeve 4 and the inner side of the head end of the shell 1, the stability of the valve core sleeve 4 can be further enhanced, the tail end of the valve core sleeve 4 is correspondingly and hermetically abutted to the head end surface of the tail cover 2, and the valve core sleeve 4 separates the valve core 3 from the cavity A5, so that the air inlet channel 2.1 can be communicated with the cavity A5 through an air inlet hole only in an inflation state; a cavity between the outer wall surface of the valve core sleeve 4 and the inner wall surface of the shell 1 is a cavity A5, the shell 1 is provided with a pressure gauge 1.3 for detecting the air pressure of the cavity A5 as required, whether the valve body works normally can be judged by comparing the detected pressure value of the cavity A5 with an air storage bottle or an external high-pressure air source, the cavity A5 is correspondingly communicated with an orifice at one end of an air inflation hole 2.2 of the tail cap 2, an orifice at the other end of the air inflation hole 2.2 is correspondingly communicated with the external air storage bottle through a pipeline, in addition, the air inflation hole 2.2 is provided with a plurality of arc waist holes which are arranged in a circumferential manner, and the arc waist holes can further enhance the air storage speed of the air storage bottle;
in conclusion, the switching between the inflation state and the deflation state of the air valve can be controlled only by the switch of the electromagnetic valve, and the in-place performance, the repeated reliability and the safety of the action execution are ensured, so that the device has the characteristics of simple and convenient operation, strong sealing performance, simple structure, low failure rate and the like.
The part of the utility model not detailed is prior art.
Claims (10)
1. A high flow velocity air valve for a gas gun launcher is characterized in that: comprises a shell (1), a valve core assembly and a tail cover (2); the shell (1) is of a hollow cylindrical structure with an open tail end, an air discharge channel (1.1) is arranged on the head end face of the shell (1), one end of the air discharge channel (1.1) is correspondingly communicated with the inner cavity of the shell (1), the other end of the air discharge channel (1.1) is communicated with an external air gun launching device through a pipeline, the head end of the tail cover (2) is correspondingly and hermetically connected with the tail end of the shell (1), the tail cover (2) is provided with an air inlet channel (2.1) and an air charging hole (2.2), one end of the air inlet channel (2.1) is correspondingly communicated with the output end of an external high-pressure air source (7) and external atmosphere through a three-way electromagnetic valve (6), and the other end of the air inlet channel (2.1) is correspondingly communicated with the inner cavity of the shell (1;
the valve core assembly is positioned in an inner cavity of the shell (1), the valve core assembly comprises a valve core sleeve (4) and a valve core (3) capable of moving in the valve core sleeve (4) along an axis, the valve core (3) is of a cylinder structure, an air outlet channel (3.1) with an air outlet positioned on the outer edge surface of the valve core (3) is arranged in the valve core (3), the head end surface of the valve core (3) is correspondingly abutted against the inner side surface of the head end of the shell (1), the outer edge surface of the head end of the valve core (3) is provided with an annular step, the head end surface of the valve core (3) can block an inner side port of the air outlet channel (1.1), the tail end surface of the valve core (3) is provided with a one-way valve (3.2), the air inlet end of the one-way valve (3.2) faces the port of the air inlet channel (2.1) of the tail cover (2), and the air outlet end of the;
the valve core sleeve (4) is sleeved outside the valve core (3), the pipe body of the valve core sleeve (4) is provided with an air outlet (4.1) and an air outlet (4.2), the orifice of the air outlet (4.1) corresponds to the port of the air outlet channel (3.1), the orifice of the air outlet (4.2) corresponds to the annular step at the head end of the valve core (3), the head end of the valve core sleeve (4) is correspondingly and fixedly connected with the inner side surface at the head end of the shell (1), and the tail end of the valve core sleeve (4) is correspondingly and hermetically abutted against the head end surface of the tail cover (2); a cavity A (5) is arranged in a cavity between the outer wall surface of the valve core sleeve (4) and the inner wall surface of the shell (1), the cavity A (5) is correspondingly communicated with an orifice at one end of an inflation hole (2.2) of the tail cover (2), and an orifice at the other end of the inflation hole (2.2) is correspondingly communicated with an external gas storage bottle.
2. The high flow valve for a gas gun launcher according to claim 1, wherein: the vertical step surface of the annular step at the head end of the valve core (3) is an inclined surface, and the inclined surface corresponds to the orifice of the air release hole (4.2).
3. The high flow valve for a gas gun launcher according to claim 1, wherein: the inflation holes (2.2) are arranged into a plurality of arc waist holes which are arranged in a circumferential manner.
4. The high flow valve for a gas gun launcher according to claim 1, wherein: outlet channel (3.1) are equipped with a plurality ofly, and a plurality of outlet channel (3.1) all correspond the intercommunication with the gas outlet of check valve (3.2), venthole (4.1) are established to a plurality ofly, and the port one-to-one of the drill way of a plurality of ventholes (4.1) and a plurality of outlet channel (3.1).
5. The high flow valve for a gas gun launcher according to claim 1, wherein: and an anti-rotation mechanism for preventing the valve core sleeve (4) from rotating is arranged between the head end of the valve core sleeve (4) and the inner side of the head end of the shell (1).
6. The high flow valve for a gas gun launcher according to claim 1, wherein: the air inlet of the one-way valve (3.2) is smaller than the corresponding port of the air inlet channel (2.1).
7. The high flow valve for a gas gun launcher according to claim 1, wherein: the outer edge surface of the valve core (3) is provided with a guide wear-resistant ring (3.3).
8. The high flow valve for a gas gun launcher according to claim 1, wherein: and a sealing ring (1.2) is arranged at the corresponding position of the inner side surface of the head end of the shell (1) and the head end of the valve core (3).
9. The high flow valve for a gas gun launcher according to claim 1, wherein: the head end face of the tail cover (2) is provided with a buffer ring (2.3) corresponding to the tail end of the valve core (3), and the end face of the buffer ring (2.3) protrudes out of the end face of the tail cover (2).
10. The high flow valve for a gas gun launcher according to claim 1, wherein: the shell (1) is provided with a pressure gauge (1.3) for detecting the air pressure of the cavity A (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922298272.5U CN211476873U (en) | 2019-12-19 | 2019-12-19 | High-flow-rate air valve for gas gun launching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922298272.5U CN211476873U (en) | 2019-12-19 | 2019-12-19 | High-flow-rate air valve for gas gun launching device |
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| Publication Number | Publication Date |
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| CN211476873U true CN211476873U (en) | 2020-09-11 |
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| CN201922298272.5U Active CN211476873U (en) | 2019-12-19 | 2019-12-19 | High-flow-rate air valve for gas gun launching device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777562A (en) * | 2022-04-26 | 2022-07-22 | 中北大学 | Device for simulating artillery ammunition feed by using supercritical carbon dioxide |
-
2019
- 2019-12-19 CN CN201922298272.5U patent/CN211476873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777562A (en) * | 2022-04-26 | 2022-07-22 | 中北大学 | Device for simulating artillery ammunition feed by using supercritical carbon dioxide |
| CN114777562B (en) * | 2022-04-26 | 2024-05-14 | 中北大学 | Device for simulating gun bullet supply by using supercritical carbon dioxide |
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