CN202947534U - Gas gun with structure for projectile body filling exhaust - Google Patents
Gas gun with structure for projectile body filling exhaust Download PDFInfo
- Publication number
- CN202947534U CN202947534U CN 201220509720 CN201220509720U CN202947534U CN 202947534 U CN202947534 U CN 202947534U CN 201220509720 CN201220509720 CN 201220509720 CN 201220509720 U CN201220509720 U CN 201220509720U CN 202947534 U CN202947534 U CN 202947534U
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- exhaust
- gun
- gas
- gun tube
- tube
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Abstract
The utility model relates to a gas gun with the structure for projectile body filling exhaust. The gas gun with the structure for the projectile body filling exhaust comprises an inner gun pipe and an outer gun pipe, wherein a sealed high-pressure gas storage is formed between the inner gun pipe and the outer gun pipe, an inner pipe base is arranged inside one closed end of the inner gun pipe, an exhaust blind hole is formed in the inner pipe base and parallel to an axes of the outer gun pipe, an opening end of the exhaust blind hole is communicated with the inner portion of the inner gun pipe, an exhaust hole communicated with the exhaust blind hole is formed in the side wall of one end, extends out of the inner gun pipe, of the inner pipe base, and a penetrating hole is formed in the wall of the outer gun pipe. The gas gun further comprises an exhaust duct which penetrates through the penetrating hole and the high-pressure gas storage into the exhaust hole, wherein a vent valve is arranged at one end, extends out of the high-pressure gas storage, of the exhaust duct. The gas gun with the structure for the projectile body filling exhaust resolves the problems that an existing projectile body with an O-shaped circle gas check ring is subjected to jacking force of compressed gas in the process of filling, the projectile body can not be get into a launching state rapidly, and the filling is slow. The gas gun with the structure for the projectile body filling exhaust is provided.
Description
Technical field
The utility model relates to the field that utilizes gas pressure emission body.Be specially a kind of Gas Gun with body filling exhaust structure.
Background technology
Gas Gun is launched bullet with gases at high pressure as power, is widely used in fire-fighting domain, anti-terrorism field and laboratory etc.The high pressure gas storehouse that Gas Gun generally comprises interior gun tube and gun tube arranges in interior gun tube outer most surrounding, the inwall of interior gun tube has consisted of big gun body inner trajectory.Before emission, the opening by interior gun tube one end is loaded into body in interior gun tube, and with the other end that axially be pushed into interior gun tube of body along interior gun tube, the other end of interior gun tube seals.During emission, the pressure-air in the high pressure gas storehouse enters interior gun tube, and body is released at a high speed interior gun tube.To cause pressure loss in order preventing from revealing the gap of gases at high pressure between body and big gun body inner trajectory, obturator ring to be set with the gap between sealing body and big gun body inner trajectory on body.
Present body or employing chip obturator ring, or adopt round section joint ring formula obturator ring.Adopt the body of chip obturator ring in the filling process, the outer end of chip obturator ring namely tilts to the end with opening towards the direction opposite with the body direction of motion, thus between the outer rim of chip obturator ring and big gun body inner trajectory the small gap of formation.Because the other end of interior gun tube seals, in body compresses in the filling process, original gas in gun tube, overflow the minim gap of gas between chip obturator ring cylindrical and big gun body inner trajectory, therefore body successfully forced home rapidly.But this chip obturator ring is easy to be destroyed by high pressure draught in the process of emission, and trajectory is produced adverse influence, finally can affect the accuracy of emission.The body of employing round section joint ring formula obturator ring can be avoided the generation of the problems referred to above, but adopt the body of round section joint ring formula obturator ring in the filling process, coordinating between round section joint ring formula obturator ring and big gun body inner trajectory is too tight, cause the gas in interior gun tube not discharge, body is compressed the jacking force of gas in the filling process, filling slowly and need to apply larger external force and just can force home.
The utility model content
The technical problem that the utility model solves is to overcome existing body with round section joint ring formula obturator ring and is compressed the jacking force of gas in the filling process, filling slowly, and need to apply the shortcoming that larger external force just can force home, a kind of Gas Gun with body filling exhaust structure is provided.
Gas Gun with body filling exhaust structure of the present utility model, comprise interior gun tube and the outer gun tube outside described interior gun tube, form the high pressure gas storehouse of sealing between described interior gun tube and described outer gun tube with stores compression gas, described interior gun tube one end has opening, the other end seals, the inside of described interior gun tube sealing one end is provided with interior pedestal tube, one end of described interior pedestal tube stretches out described interior gun tube, described interior pedestal tube is provided with the exhaust blind hole parallel with the axis of described interior gun tube, the openend of described exhaust blind hole is connected with the inside of described interior gun tube, the sidewall that described interior pedestal tube stretches out an end of described interior gun tube also offers the steam vent that communicates with described exhaust blind hole, offer perforation on the wall of described outer gun tube, described Gas Gun with body filling exhaust structure also comprises the exhaust manifolds that pass described perforation and described high pressure gas storehouse and penetrate described steam vent, the end that described exhaust manifolds are exposed to outside described high pressure gas storehouse also is provided with air bleeding valve.
As preferably, be provided with the Compressed Gas that prevents in the high pressure gas storehouse between described steam vent and described exhaust manifolds from entering the first sealing ring of interior gun tube between described exhaust manifolds and described steam vent.
As preferably, be fixedly installed the welding pipe collar in described perforation, described exhaust manifolds pass in described welding pipe collar.
As further preferred, has the fit-up gap between described exhaust manifolds and described welding pipe collar, and described welding pipe collar has the sealing heavy stand with the opposite end that an end is fixed in perforation, described exhaust manifolds have the sealed step that coordinates with described sealing heavy stand, be provided with the Compressed Gas that prevents in the high pressure gas storehouse between described sealing heavy stand and described sealed step and leak to the second sealing ring in outside atmosphere between described exhaust manifolds and described welding pipe collar.
As further preferred, institute's air bleeding valve is magnetic valve, described magnetic valve is connected with an air bleeding valve joint, and described air bleeding valve joint is connected by jam nut with described welding pipe collar, and the end face of described air bleeding valve joint is supported mutually with the sealed step of described exhaust manifolds.
As further preferred, one end of described jam nut has internal thread, the other end has the compression step, described welding pipe collar has external screw thread, described magnetic valve connector has the connection step, the internal thread of described jam nut matches with the external screw thread of described welding pipe collar, the outer face compression fit that is connected step of the inner face of the compression step of described jam nut and described air bleeding valve joint.
As further preferred, be provided with the Compressed Gas that prevents from entering exhaust manifolds from described interior gun tube between the end face of the end face of described air bleeding valve joint and the sealed step of described exhaust manifolds and leak to the 3rd sealing ring outside atmosphere from exhaust manifolds and described air bleeding valve joint junction.
Compared to the prior art Gas Gun with body filling exhaust structure of the present utility model has following beneficial effect:
1, in the filling process of body, the round section joint ring formula obturator ring of body and the inwall of interior gun tube closely cooperate, and the gas in interior gun tube is compressed, and compressed gas enters exhaust blind hole and exhaust manifolds, is discharged in outside atmosphere afterwards.Do not have like this Compressed Gas body is produced reverse pressure, body is successfully forced home.
2, be fixedly installed the welding pipe collar in described perforation, described exhaust manifolds pass in described welding pipe collar.Have the fit-up gap between described exhaust manifolds and described welding pipe collar, can play the effect of the site error between compensation perforation and steam vent, thereby can reduce the requirement to bore process.
Description of drawings
Fig. 1 is the cutaway view of the Gas Gun with body filling exhaust structure of an embodiment of the utility model.
Fig. 2 is the local enlarged diagram of A part in Fig. 1.
Reference numeral
Gun tube in 1-, the outer gun tube of 2-, 3-high pressure gas storehouse, 4-opening, pedestal tube in 5-, 6-exhaust blind hole, 7-steam vent, the 8-perforation, 9-exhaust manifolds, 10-air bleeding valve, 11-the first sealing ring, 12-welds pipe collar, the 13-fit-up gap, 14-seals heavy stand, 15-sealed step, 16-the second sealing ring, 17-air bleeding valve joint, 18-jam nut, 19-the 3rd sealing ring.
The specific embodiment
Fig. 1 is the cutaway view of the Gas Gun with body filling exhaust structure of an embodiment of the utility model, and Fig. 2 is the local enlarged diagram of Fig. 1.As depicted in figs. 1 and 2, the Gas Gun with body filling exhaust structure of the present utility model comprises interior gun tube 1 and the outer gun tube 2 outside described interior gun tube 1.The inwall of interior gun tube 1 forms big gun body inner trajectory, form the high pressure gas storehouse 3 of sealing between described interior gun tube 1 and described outer gun tube 2 with stores compression gas, after the body filling puts in place, the valve (not shown) in opening high pressure gas storehouse 3, Compressed Gas enters interior gun tube 1, gun tube 1 in its pressure penetrates body rapidly.
Described interior gun tube 1 one ends have opening 4, the entrance when this opening 4 is the body filling, the outlet when being also the body emission.The other end of interior gun tube 1 seals, and the inside of described interior gun tube 1 sealing one end is provided with interior pedestal tube 5, and by interior pedestal tube 5 sealings, an end of described interior pedestal tube 5 stretches out described interior gun tube 1.Described interior pedestal tube 5 is provided with the exhaust blind hole 6 parallel with the axis of described interior gun tube 1, the openend of described exhaust blind hole 6 is connected with the inside of described interior gun tube 1, the openend of exhaust blind hole in the present embodiment, 6 is connected with the inside of described interior gun tube 1 sealing one end.The end that described interior pedestal tube 5 stretches out described interior gun tube 1 also offers the steam vent 7 that communicates with described exhaust blind hole 6.Offer perforation 8 on the wall of described outer gun tube 2, described Gas Gun with body filling exhaust structure also comprises the exhaust manifolds 9 that pass described perforation 8 and described high pressure gas storehouse 3 and penetrate described steam vent 7.Described exhaust manifolds 9 are exposed to described high pressure gas storehouse 3 outer ends and also are provided with air bleeding valve 10, and in the present embodiment, air bleeding valve is normally close valve, namely only under the state of filling body air bleeding valve open, air bleeding valve is all closed under other states.
Before the filling body, open air bleeding valve 10, in the filling process of body, the round section joint ring formula obturator ring of body and the inwall of interior gun tube 1 closely cooperate, gas in interior gun tube 1 is compressed, and compressed gas enters exhaust blind hole 6 and exhaust manifolds 9, is discharged in outside atmosphere afterwards.Do not have like this Compressed Gas body is produced reverse pressure, body is successfully forced home.
As shown in Figure 2, as preferably, 9 of described steam vent 7 and described exhaust manifolds are provided with the first sealing ring 11, prevent that the Compressed Gas in high pressure gas storehouse 3 from causing high pressure gas storehouse 3 internal gas pressures to lose from entering interior gun tube 1 between described exhaust manifolds 9 and described steam vent 7.
In the present embodiment, be fixedly installed welding pipe collar 12 in described perforation 8, described exhaust manifolds 9 pass in described welding pipe collar 12.Have fit-up gap 13 between described exhaust manifolds 9 and described welding pipe collar 12, can play the effect of the site error between compensation perforation 8 and steam vent 7, thereby can reduce the requirement to bore process, improved the manufacturability of this structure.Described welding pipe collar 12 has sealing heavy stand 14 with 8 opposite ends of fixing an end of boring a hole, described exhaust manifolds 9 have the sealed step 15 that coordinates with described sealing heavy stand 14, be provided with the Compressed Gas that prevent in high pressure gas storehouse 3 between described sealing heavy stand 14 and described sealed step 15 and leak to the second sealing ring 16 in outside atmosphere between described exhaust manifolds 9 and described welding pipe collar 12.
In the present embodiment, institute's air bleeding valve 10 is magnetic valve, described magnetic valve is connected with an air bleeding valve joint 17, and described air bleeding valve joint 17 is connected by jam nut 18 with described welding pipe collar 12, and the end face of described air bleeding valve joint 17 is supported mutually with the sealed step 15 of described exhaust manifolds 9.Certainly, air bleeding valve 10 also can adopt other valves.
In the present embodiment, air bleeding valve joint 17 is as follows with the concrete connected mode of welding pipe collar 12, one end of described jam nut 18 has internal thread, the other end has the compression step, described welding pipe collar 12 has external screw thread, described magnetic valve connector has the connection step, and the internal thread of described jam nut 18 matches with the external screw thread of described welding pipe collar 12, the outer face compression fit that is connected step of the inner face of the compression step of described jam nut 18 and described air bleeding valve joint 17.
As preferably, be provided with the Compressed Gas that prevents from entering exhaust manifolds 9 from described interior gun tube 1 between the end face of the sealed step 15 of the end face of described air bleeding valve joint 17 and described exhaust manifolds 9 and leak to the 3rd sealing ring 19 outside atmosphere from exhaust manifolds 9 and described air bleeding valve joint 17 junctions.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art in essence of the present utility model and protection domain, various modifications that the utility model is made or be equal to replacement and also drop in protection domain of the present utility model.
Claims (7)
1. one kind has the Gas Gun that body loads exhaust structure, comprise interior gun tube and the outer gun tube outside described interior gun tube, form the high pressure gas storehouse of sealing between described interior gun tube and described outer gun tube with stores compression gas, described interior gun tube one end has opening, it is characterized in that: the other end of described interior gun tube seals, the inside of described interior gun tube sealing one end is provided with interior pedestal tube, one end of described interior pedestal tube stretches out described interior gun tube, described interior pedestal tube is provided with the exhaust blind hole parallel with the axis of described interior gun tube, the openend of described exhaust blind hole is connected with the inside of described interior gun tube, the sidewall that described interior pedestal tube stretches out an end of described interior gun tube also offers the steam vent that communicates with described exhaust blind hole, offer perforation on the wall of described outer gun tube, described Gas Gun with body filling exhaust structure also comprises the exhaust manifolds that pass described perforation and described high pressure gas storehouse and penetrate described steam vent, the end that described exhaust manifolds are exposed to outside described high pressure gas storehouse also is provided with air bleeding valve.
2. the Gas Gun with body filling exhaust structure according to claim 1 is characterized in that: be provided with the Compressed Gas that prevents in the high pressure gas storehouse between described steam vent and described exhaust manifolds from entering the first sealing ring of interior gun tube between described exhaust manifolds and described steam vent.
3. the Gas Gun with body filling exhaust structure according to claim 1 and 2, it is characterized in that: be fixedly installed the welding pipe collar in described perforation, described exhaust manifolds pass in described welding pipe collar.
4. the Gas Gun with body filling exhaust structure according to claim 3, it is characterized in that: have the fit-up gap between described exhaust manifolds and described welding pipe collar, and described welding pipe collar has the sealing heavy stand with the opposite end that an end is fixed in perforation, described exhaust manifolds have the sealed step that coordinates with described sealing heavy stand, be provided with the Compressed Gas that prevents in the high pressure gas storehouse between described sealing heavy stand and described sealed step and leak to the second sealing ring in outside atmosphere between described exhaust manifolds and described welding pipe collar.
5. the Gas Gun with body filling exhaust structure according to claim 4, it is characterized in that: institute's air bleeding valve is magnetic valve, described magnetic valve is connected with an air bleeding valve joint, described air bleeding valve joint is connected by jam nut with described welding pipe collar, and the end face of described air bleeding valve joint is supported mutually with the sealed step of described exhaust manifolds.
6. the Gas Gun with body filling exhaust structure according to claim 5, it is characterized in that: an end of described jam nut has internal thread, the other end has the compression step, described welding pipe collar has external screw thread, described magnetic valve connector has the connection step, the internal thread of described jam nut matches with the external screw thread of described welding pipe collar, the outer face compression fit that is connected step of the inner face of the compression step of described jam nut and described air bleeding valve joint.
7. according to claim 5 or 6 described Gas Guns with body filling exhaust structure is characterized in that: be provided with the Compressed Gas that prevents from entering exhaust manifolds from described interior gun tube between the end face of the end face of described air bleeding valve joint and the sealed step of described exhaust manifolds and leak to the 3rd sealing ring outside atmosphere from exhaust manifolds and described air bleeding valve joint junction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220509720 CN202947534U (en) | 2012-09-29 | 2012-09-29 | Gas gun with structure for projectile body filling exhaust |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220509720 CN202947534U (en) | 2012-09-29 | 2012-09-29 | Gas gun with structure for projectile body filling exhaust |
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CN202947534U true CN202947534U (en) | 2013-05-22 |
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CN 201220509720 Withdrawn - After Issue CN202947534U (en) | 2012-09-29 | 2012-09-29 | Gas gun with structure for projectile body filling exhaust |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102878863A (en) * | 2012-09-29 | 2013-01-16 | 北京北机机电工业有限责任公司 | Gas gun with projectile body filling and exhausting structure |
-
2012
- 2012-09-29 CN CN 201220509720 patent/CN202947534U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102878863A (en) * | 2012-09-29 | 2013-01-16 | 北京北机机电工业有限责任公司 | Gas gun with projectile body filling and exhausting structure |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20140730 |
|
RGAV | Abandon patent right to avoid regrant |