阅读说明：本技术 一种用于密闭高压气体的气体炮炮闩装置 (Gas gun breechblock device for closed high-pressure gas ) 是由 高春鹏 马坤昌 卢章树 金雷 王健 季享文 刘清波 高华 韩志华 于 2021-08-30 设计创作，主要内容包括：一种用于密闭高压气体的气体炮炮闩装置,涉及气体炮领域。用于密闭高压气体的气体炮炮闩装置包括螺闩、涨钩固定套、设于滑膛身管内的密封塞、至少两个涨钩、击发器、与螺闩连接的弹簧座及两端分别抵压弹簧座和击发器的弹簧,螺闩连接于气体炮的滑膛身管尾部；涨钩固定套位于螺闩和密封塞之间且与螺闩同轴连接；涨钩的中部均与涨钩固定套铰接且配置成转动时卡接或脱离密封塞；击发器滑动贯穿螺闩且配置成沿轴向朝靠近或远离密封塞移动时抵压涨钩转动卡接或脱离密封塞；螺闩、密封塞与滑膛身管内壁配合形成与气体炮的加压气管连通的密封腔。用于密闭高压气体的气体炮炮闩装置能够实现气体炮的自动化装填后部装填,节省人力便于操作。(A gas gun breechblock device for closed high-pressure gas relates to the field of gas guns. The breechblock device of the gas gun for sealing high-pressure gas comprises a breechblock, a rising hook fixing sleeve, a sealing plug arranged in a slide chamber body tube, at least two rising hooks, a trigger, a spring seat connected with the breechblock and a spring with two ends respectively pressing the spring seat and the trigger, wherein the breechblock is connected to the tail part of the slide chamber body tube of the gas gun; the expansion hook fixing sleeve is positioned between the bolt and the sealing plug and is coaxially connected with the bolt; the middle parts of the expansion hooks are hinged with the expansion hook fixing sleeve and are configured to be clamped or separated from the sealing plug when rotating; the trigger penetrates through the bolt in a sliding mode and is configured to push the expansion hook to be rotationally clamped or separated from the sealing plug when moving towards or away from the sealing plug along the axial direction; the bolt, the sealing plug and the inner wall of the slide chamber barrel are matched to form a sealing cavity communicated with a pressurizing air pipe of the gas gun. The gas gun breechblock device for the closed high-pressure gas can realize the automatic filling rear-part filling of the gas gun, and is labor-saving and convenient to operate.)

1. A gas cannon breech block assembly for containing high pressure gas, comprising:

a bolt for removably attaching to the breech barrel tail of a gas gun;

the sealing plug is arranged in the smooth bore body tube;

the expansion hook fixing sleeve is positioned between the bolt and the sealing plug and is coaxially connected with the bolt;

the middle part of each expansion hook is hinged with the expansion hook fixing sleeve, and the expansion hooks are configured to be clamped or separated from the sealing plug when rotating;

the trigger penetrates through the bolt in a sliding manner, and when moving towards or away from the sealing plug along the axial direction of the trigger, the trigger presses the expansion hook to be rotationally clamped or separated from the sealing plug;

the spring seat is connected with one end, far away from the expansion hook fixing sleeve, of the bolt;

the two ends of the spring respectively press the spring seat and the trigger;

the bolt, the sealing plug and the inner wall of the smoothbore barrel are matched to form a sealing cavity communicated with a pressurization air pipe of the gas gun.

2. The gas cannon breechblock apparatus for sealing high-pressure gas as claimed in claim 1, wherein the outer wall of the trigger is protruded to form an annular pressing portion which is in sealing fit with the inner wall of the bolt, end faces of two ends of the pressing portion respectively enclose with the inner wall of the bolt and the outer wall of the trigger to form a first balance cavity and a second balance cavity, the trigger is provided with a gas channel, the gas channel is communicated with the seal cavity, the first balance cavity and the second balance cavity, and the area of the end face of the pressing portion close to the seal plug is larger than that of the end face of the end far away from the seal plug.

3. The gas cannon breechblock apparatus for confining high pressure gas as claimed in claim 2, wherein a spacer ring sealingly engaged with the outer wall of the firing mechanism is connected to the inner wall of the breechblock, and the spacer ring, the pressing portion, the inner wall of the breechblock and the outer wall of the firing mechanism enclose to form the second balance chamber.

4. The gas cannon breech block apparatus for enclosing high pressure gas of claim 1, wherein the sealing plug is recessed toward one end of the breech block to form a groove, and a sidewall of the groove is recessed to form a slot for engaging with the expansion hook

5. A gas cannon bolt assembly for containing a high pressure gas as claimed in claim 1 wherein the expansion hook is S-shaped.

6. A gas cannon bolt assembly for containing pressurized gas as claimed in claim 1 wherein at least two of said expansion hooks are spaced circumferentially along said expansion hook retainer sleeve.

Technical Field

The application relates to the field of gas guns, in particular to a gas gun breechblock device for closed high-pressure gas.

Background

In order to verify the performances of parachute types such as parachute opening procedures, parachute opening speed, strength and the like of a recovery parachute, a missile parachute, a seat stabilizer, a drag parachute and the like, a launching device capable of providing a speed of 15-250 m/s and a maximum ballistic height of more than 200m within a range of a shooting angle of 18-60 degrees is required to meet the dead time of a test carrier. If the propellant powder of using conventional gun launches, the powder gas that produces can burn out the textile material of experimental canopy and lead to experimental failure, consequently can not use traditional experimental bullet launching mode, need use the gas gun that relies on gas to carry out the transmission as the power supply to test, in order to reach the initial speed of transmission, the gas tightness and the reliable percussion of gas gun are very critical.

The sealing mode of present gas gun relies on the cow hide bowl of loading before the big gun muzzle to seal up, because the angle of the big gun body is fixed, experimental bullet can only rely on artifical manual loading, can't realize automatic loading, leads to filling emission efficiency lower.

Disclosure of Invention

An object of this application is to provide a gas big gun breechblock device for airtight high-pressure gas, can realize that the automatic filling rear portion of gas big gun loads, uses manpower sparingly and is convenient for operate.

The embodiment of the application is realized as follows:

the embodiment of the application provides a gas big gun breechblock device for airtight high-pressure gas, it includes:

the bolt is used for being detachably connected to the tail part of the smoothbore barrel of the gas gun;

the sealing plug is arranged in the smooth bore body tube;

the expansion hook fixing sleeve is positioned between the bolt and the sealing plug and is coaxially connected with the bolt;

the middle part of each expansion hook is hinged with the expansion hook fixing sleeve, and the expansion hooks are configured to be clamped or separated from the sealing plug when rotating;

the trigger penetrates through the bolt in a sliding manner, and when moving towards or away from the sealing plug along the axial direction of the trigger, the trigger presses the expansion hook to rotate and clamp or separate from the sealing plug;

the spring seat is connected with one end of the bolt far away from the expansion hook fixing sleeve;

the two ends of the spring respectively support against the spring seat and the trigger;

the bolt, the sealing plug and the inner wall of the slide chamber barrel are matched to form a sealing cavity communicated with a pressurizing air pipe of the gas gun.

In some optional embodiments, the outer wall of the trigger protrudes to form an annular abutting portion in sealing fit with the inner wall of the bolt, end faces of two ends of the abutting portion respectively enclose the inner wall of the bolt and the outer wall of the trigger to form a first balance cavity and a second balance cavity, the trigger is provided with an air passage, the air passage is communicated with the sealing cavity, the first balance cavity and the second balance cavity, and the area of the end face of the abutting portion close to the sealing plug is larger than that of the end face of the end far away from the sealing plug.

In some optional embodiments, the inner wall of the bolt is connected with a separation ring which is in sealing fit with the outer wall of the firing device, and the separation ring, the pressing part, the inner wall of the bolt and the outer wall of the firing device enclose to form a second balance cavity.

In some alternative embodiments, the sealing plug is recessed towards one end of the bolt to form a groove, and the side wall of the groove is recessed to form a clamping groove clamped with the expansion hook

In some alternative embodiments, the expansion hooks are S-shaped.

In some optional embodiments, at least two expansion hooks are arranged at intervals along the circumference of the expansion hook fixing sleeve.

The beneficial effect of this application is: the gas cannon breechblock device for sealing high-pressure gas provided by the embodiment comprises a breechblock, a rising hook fixing sleeve, a sealing plug arranged in a slide chamber body tube, at least two rising hooks, a trigger, a spring seat and a spring, wherein the breechblock is detachably connected to the tail part of the slide chamber body tube of the gas cannon; the expansion hook fixing sleeve is positioned between the bolt and the sealing plug and is coaxially connected with the bolt; the middle part of each expansion hook is hinged with an expansion hook fixing sleeve, and the expansion hook is configured to be clamped or separated from the sealing plug when rotating; the trigger penetrates through the bolt in a sliding mode and is configured to press the expansion hook to be rotationally clamped or separated from the sealing plug when moving towards or away from the sealing plug along the axial direction; the spring seat is connected with one end of the bolt far away from the expansion hook fixing sleeve; two ends of the spring respectively support against the spring seat and the trigger; the bolt, the sealing plug and the inner wall of the slide chamber barrel are matched to form a sealing cavity communicated with a pressurizing air pipe of the gas gun. The gas gun breechblock device for the airtight high-pressure gas can realize the rear part loading of a gas gun, so that the gas chamber structure of the gas gun at the tail part of a smoothbore barrel is eliminated, the length of the barrel is reduced, the high-angle launching is facilitated, the automatic loading can be realized by the rear part loading, the labor is saved, and the operation is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a cross-sectional view of a gas cannon breech block assembly for containing high pressure gas in accordance with an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of a gas cannon breech block assembly for containing high pressure gas provided by an embodiment of the present application installed in a gas cannon in a first use configuration;

figure 3 is a partial cross-sectional view of a gas cannon breech block assembly for containing high pressure gas provided by an embodiment of the present application installed in a gas cannon in a second use configuration.

In the figure: 100. a gas gun; 110. a smoothbore barrel; 120. connecting holes; 130. a gas bore barrel; 140. a pressurization cavity; 150. pressurizing the air pipe; 160. sealing the cavity; 200. a screw latch; 210. a hook expansion fixing sleeve; 220. a sealing plug; 230. expanding hooks; 240. a trigger; 241. a first section; 242. a second section; 250. a spring seat; 260. a spring; 270. a pressing part; 280. a first balance chamber; 290. a second equilibrium chamber; 300. a gas channel; 310. an isolating ring; 320. a groove; 330. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The characteristics and performance of the bolt device of the gas cannon for sealing high-pressure gas of the application are further described in detail in the following with reference to the embodiment.

As shown in fig. 1, 2 and 3, the present embodiment provides a gas gun bolt device for sealing high-pressure gas, which is used in combination with a gas gun 100, wherein the gas gun 100 has a smoothbore barrel 110 and a gas bore barrel, a pressurization cavity 140 is formed between the smoothbore barrel 110 and the gas bore barrel 130 of the gas gun 100, and the gas gun 100 is connected with a pressurization gas pipe 150 communicated with the pressurization cavity 140.

The embodiment provides a gas gun breechblock device for sealing high-pressure gas, which comprises a bolt 200, a rising hook fixing sleeve 210 and a sealing plug 220 which are sequentially connected, wherein the outer wall of the bolt 200 is provided with an external thread which is used for being in threaded connection with the inner wall of the tail part of a sliding bore barrel 110 of a gas gun 100, the rising hook fixing sleeve 210 is in coaxial threaded connection with the outer wall of one end of the bolt 200 extending into the sliding bore barrel 110 through an internal thread, one end of the rising hook fixing sleeve 210 far away from the bolt 200 is hinged with three S-shaped rising hooks 230 which are circumferentially arranged at intervals, the middle part of each rising hook 230 is hinged with the rising hook fixing sleeve 210, one end of the sealing plug 220 facing the rising hook fixing sleeve 210 is recessed to form a groove 320, the side wall of the groove 320 is recessed to form a clamping groove 330 which is clamped with the rising hooks 230, the end parts of the three rising hooks 230 are respectively clamped or separated from the clamping groove 330 when rotating, the bolt 200 is further connected with a firing device 240 which penetrates through the two ends in a sliding way, when the trigger 240 moves towards or away from the sealing plug 220 along the axial direction, the expansion hook 230 is pressed to rotate to be clamped or separated from the clamping groove 330; one end of the bolt 200, which is far away from the expansion hook fixing sleeve 210, is connected with a spring seat 250, and a spring 260 is pressed between the spring seat 250 and the firing device 240; the bolt 200, the sealing plug 220 and the inner wall of the smoothbore barrel 110 are matched to form a sealing cavity 160, and the gas cannon 100 is provided with a connecting hole 120 for communicating the pressurization cavity 140 and the sealing cavity 160; the outer wall of the trigger 240 protrudes to form an annular abutting part 270 which is in sealing fit with the inner wall of the bolt 200, the inner wall of the bolt 200 is connected with a spacer ring 310 which is in sealing fit with the outer wall of the trigger 240, one end of the abutting part 270, the inner wall of the bolt 200 and the outer wall of the trigger 240 enclose to form a first balance cavity 280, the other end of the abutting part 270, the inner wall of the bolt 200, the spacer ring 310 and the outer wall of the trigger 240 enclose to form a second balance cavity 290, the trigger 240 is provided with a gas passage 300, the gas passage 300 is communicated with the sealing cavity 160, the first balance cavity 280 and the second balance cavity 290, and the end surface area of one end of the abutting part 270 close to the sealing plug 220 is larger than the end surface area of one end of the sealing plug 220 far away from. In this embodiment, the trigger 240 is composed of a first section 241 and a second section 242 coaxially connected by screw threads

When the gas gun bolt device for sealing high-pressure gas provided by the embodiment is used, firstly, a parachute to be launched is plugged into the tail of the sliding bore tube 110 of the gas gun 100, then the bolt 200, the expanding hook fixing sleeve 210 and the sealing plug 220 which are sequentially connected are plugged into the tail of the sliding bore tube 110 of the gas gun 100, the bolt 200 is rotated to be fixedly connected with the sliding bore tube 110, the sealing plug 220 is pressed against the parachute plugged into the sliding bore tube 110, at this time, the spring 260 arranged between the spring seat 250 and the trigger 240 presses against the trigger 240 to extend out, the trigger 240 presses against one end, close to the trigger 220, of three pressing expanding hooks 230 hinged to the expanding hook fixing sleeve 210, the pressing expanding hooks 230 are rotated and clamped in the clamping grooves 330, so that the pressing expanding hooks 230 fix the position of the sealing plug 220, when the parachute needs to be launched, compressed gas is introduced into the pressurizing cavity 140 through the pressurizing gas pipe 150 and then flows into the sealing cavity 160, then the compressed gas in the sealed cavity 160 flows into the first balance cavity 280 and the second balance cavity 290 through the connecting hole 120 opened by the trigger 240, because the area of the end surface of the pressing part 270 close to one end of the sealing plug 220 is larger than the area of the end surface of the end far from the sealing plug 220, the thrust of the compressed gas on the end surface of the pressing part 270 close to one end of the sealing plug 220 is larger than the thrust of the compressed gas on the end surface of the end far from the sealing plug 220, so that the pressing part 270 and the trigger 240 are pushed by the thrust of the compressed gas to move in the direction far from the sealing plug 220 against the thrust of the spring 260, the trigger 240 pushes the three pressing expansion hooks 230 far from one end of the sealing plug 220 when moving in the direction far from the sealing plug 220, so that the pressing expansion hooks 230 rotate to separate from the clamping grooves 330, the pressing expansion hooks 230 stop fixing the position of the sealing plug 220, the compressed gas introduced into the sealed cavity 160 pushes the sealing plug 220 and the shell body 110 to move and fire the gas cannonball 100, thereby realizing the function of high-speed percussion.

The gas gun breechblock device for sealing high-pressure gas provided by the embodiment can release the energy stored by the high-pressure gas through the firing action, so that the restrained parachute test bomb obtains the launching speed of 150-250 m/s, and meanwhile, the automatic filling operation can be realized, after the cannonball is fired, the breechblock 200 and the expansion hook fixing sleeve 210 connected with the breech body tube 110 can be detached from the breech body tube by only rotating the breechblock 200, and a new parachute to be launched, the breechblock 200, the expansion hook fixing sleeve 210 and the sealing plug 220 which are sequentially connected are plugged into the breech body tube 110 of the gas gun 100, and then the process is repeated to carry out a new launching process, so that the function of rapid and efficient launching is realized.

In addition, in the gas cannon bolt device for sealing high-pressure gas provided by this embodiment, the annular abutting portion 270 which is in sealing fit with the inner wall of the bolt 200 is formed by protruding the outer wall of the trigger 240, the isolating ring 310 which is in sealing fit with the outer wall of the trigger 240 is connected to the inner wall of the bolt 200, so that one end of the abutting portion 270, the inner wall of the bolt 200 and the outer wall of the trigger 240 are enclosed to form the first balance cavity 280, the other end of the abutting portion 270, the inner wall of the bolt 200, the isolating ring 310 and the outer wall of the trigger 240 are enclosed to form the second balance cavity 290, the trigger 240 is provided with the gas channel 300, the gas channel 300 is communicated with the sealing cavity 160, the first balance cavity 280 and the second balance cavity 290, the area of the end face of the abutting portion 270 close to one end of the bolt 200, the isolating ring 310 and the outer wall of the trigger 240 is enclosed to form the second balance cavity 290, the gas in the sealing plug 160 can be introduced into the first balance cavity 280 and the second balance cavity 290, and the pressure difference acting on the abutting portion 270 between the first balance cavity 280 and the second balance cavity 290 is utilized to push the trigger portion of the trigger 240 to avoid equipment damage and safety issues that may result from excessive pressure directly pushing the trigger 240 with compressed gas in the sealed chamber 160.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.