CN108362168A - A kind of emitter - Google Patents

A kind of emitter Download PDF

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Publication number
CN108362168A
CN108362168A CN201810121606.9A CN201810121606A CN108362168A CN 108362168 A CN108362168 A CN 108362168A CN 201810121606 A CN201810121606 A CN 201810121606A CN 108362168 A CN108362168 A CN 108362168A
Authority
CN
China
Prior art keywords
piston
gas
cylinder
air
air cavity
Prior art date
Application number
CN201810121606.9A
Other languages
Chinese (zh)
Inventor
索涛
李玉龙
汤忠斌
张欣玥
张超
汪存显
Original Assignee
西北工业大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 西北工业大学 filed Critical 西北工业大学
Priority to CN201810121606.9A priority Critical patent/CN108362168A/en
Publication of CN108362168A publication Critical patent/CN108362168A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41BWEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/60Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41BWEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/70Details not provided for in F41B11/50 or F41B11/60

Abstract

The embodiment provides a kind of emitters, to solve the delay of prior art high pressure gas in the cavities, the problem unstable into gun tube, and provide a kind of launching technique simple in structure, stable, the emitter includes gas chamber, gas control equipment, trigger mechanism, gun tube, wherein, gas control equipment and trigger mechanism are located at plenum interior, and gun tube is connected with gas chamber.According to an embodiment of the invention, since the pressure of right air cavity acts on piston, and the gas in right air cavity is along inboard wall of cylinder block and piston clearance flow at high speed, so that piston is quickly moved to the left side under the action of pressure difference, therefore piston is known as air-flotation type piston, piston motion is pushed using the pressure difference of piston both sides, so that high pressure gas is entered gun tube to push body or bird bullet to emit.It pushes piston to make its movement, and the possibility contact area smaller of piston and cylinder inner wall by then passing through air floating, therefore operates flexibly, reliability is high, avoids piston motion resistance problem.

Description

A kind of emitter

Technical field

The present invention relates to a kind of lift-off technology more particularly to a kind of piston type emitters.

Background technology

With reference to Fig. 2, document 1 " impact type guiding valve opens fire with artillery the research and design of mechanism, and machine-building " J], 44 (500) (2006) 26-28 " disclose it is a kind of transmitting bird bullet air bubble open fire with artillery mechanism, which includes gun tube 4, gas shutoff head 15, piston Connecting rod 33, piston 31, small air inlet port 17, air inlet connecting mouth 3, deflate connect mouth 2, left air cavity 13, right air cavity 14, high pressure chest 16, Air storage chamber connecting tube 22, spring 18 and cylinder 20.Assembly relation requirement, gas shutoff head 15 and 4 end seals of gun tube, high pressure chest 16 with Left air cavity 13 seals and gas is not ganged up, piston 31 and 20 inner wall sealing of cylinder, right air cavity 14 by small air inlet port 17 with 16 gas circuit of high pressure chest is connected to.When work, the first step, by air inlet connecting mouth 3, air cavity 14 is inflated to the right, and pressure is rapid in right air cavity 14 It increases, during right 14 pressure rise of air cavity, the pressure of high pressure chest 16 also slowly rises, because of the small air admission hole of high pressure chest 16 17 stomata very little of road, and there is spring 18 to withstand, therefore 16 pressure value of high pressure chest can be made to finally reach and be maintained at a setting value, if It is set to 1.3Mpa;Second step is inflated to specified value to the left air cavity 13 being connect with air storage chamber connecting tube 22;Third walks, and opening is put Gas connects mouth 2 so that 14 air pressure of right air cavity suddenly becomes zero.At this time since 14 air pressure of right air cavity is zero, and the air pressure of high pressure chest 16 1.3MPa is remained as, at this moment piston 31 quickly connects 2 direction of mouth to deflation and moves, and the gas in air accumulator passes through air storage chamber connecting tube 22 rapidly enter gun tube 4, complete air bubble and open fire with artillery process.

With reference to Fig. 3, document 2 discloses a kind of air-flotation type piston emitter.The device includes gun tube 4, piston 31, gas storage Room connecting tube 22 and cylinder 20, it is characterised in that further include source of the gas valve 10, into/air escape cock valve 11, into/bleeder pipe 12 and O-shaped Circle 32;20 shape of the cylinder is the outer square of inner circle, and cylinder inner wall grinding is smooth;20 right part of cylinder passes through flange with gun tube 4 Connection, cylinder 20 are equipped with air storage chamber connecting tube 22 close to the side of right end, and air storage chamber connecting tube 22 is connected to right air cavity 14;Gun tube 4 internal diameters and 22 internal diameter of air storage chamber connecting tube etc. are big;Cylinder 20 is built-in with a piston 31, and the piston 31 is air floating piston, hollow, Variable cross-section type, piston 31 is close to the end face flat smooth of gun tube 4, piston in sealing contact with the O-ring 32 that is embedded on cylinder 20 31 are reserved with gap with 20 inner wall of cylinder, and the minimum sectional area of this gap is less than the inner section product into/bleeder pipe 12, close to right gas The gap of 14 one end of chamber is larger;Piston 31 is more than the internal diameter of gun tube 4 along 13 move distance of left air cavity;4 inner section area of gun tube, storage 22 inner section area of gas chamber connecting tube and the area of section of right air cavity 14 etc. are big;Connect into/bleeder pipe 12 with cylinder 20, and with the right side Air cavity 13 is connected, into/be arranged between bleeder pipe 12 and source of the gas valve 10 into/air escape cock valve 11;It will be left into/air escape cock valve 11 While air cavity 13 is connected to outside atmosphere, the connection with source of the gas valve 10 is closed.When work, the first step opens source of the gas valve 10, will Left air cavity 13 is connected into/air escape cock valve 11, and high pressure gas into/bleeder pipe 12 by entering left air cavity 13, while passing through cylinder 20 slowly enter right air cavity 14 with the small―gap suture of piston 31, since the inner section product into/bleeder pipe 12 is more than piston 31 and cylinder The sectional area of 20 inner wall preset clearances can make high pressure gas that piston 31 be pushed to move right, piston 31 is made to be connect with O-ring 32 in this way Touch sealing, air cavity 14 right in this way is fully sealed position, when pressure gauge 21 point out the pressure of right air cavity 14 reach it is predetermined set value when, Close source of the gas valve 10.Second step when needing to emit body 5, will be dialled to set and be connected with outside atmosphere into/air escape cock valve 11, At this moment the sectional area due to the inner section product into/bleeder pipe 12 more than piston 31 and 20 inner wall preset clearance of cylinder, 31 left side of piston 13 air pressure of air cavity reduces rapidly, and makes to generate pressure difference at left and right sides of piston, and the gas of right air cavity 14 is along piston 31 and cylinder 20 Gap flow at high speed, plays the role of pneumatically supported, and piston 31 is made to move downward the left end of left air cavity 13 rapidly, and rubber pad 30 is slow Punching moves downward caused impact force due to 31 high speed of piston.Since piston 31 moves downward, air storage chamber air pressure at this time Right air cavity 14 is flowed through by air storage chamber connecting tube 22 to enter in gun tube 4, and bullet 5 is pushed to launch along gun tube.

It realizes and body 5 is accelerated into preset speed along gun tube 4, mainly require the valve for opening fire with artillery mechanism to open big, Gas fast and stable enters gun tube.1 operation principle of document is reasonable, but requires that high pressure chest 16 and left air cavity 13 seal and gas is not gone here and there Logical, piston 31 and 20 inner wall sealing of cylinder, this actually results in piston 31, and resistance increases during exercise, if the pressure of experiment is low When, for 14 pressure of right air cavity with regard to low, the movement of piston 31 is more difficult.Structure described in document 1 is more complex simultaneously, it is desirable that machining accuracy It is high.Document 2 solves the problems, such as piston motion resistance using air-flotation type piston apparatus, and mechanism compared in document 1 more Simply.But the inclined-plane of piston 31 and 20 low-angle of cylinder coordinates, and increases the difficulty of processing of piston 31 and its matches with cylinder 20 Close difficulty;Piston 31 and 20 inner wall contact area of cylinder body are big, and friction is larger;31 weight of piston is big;Only with being embedded in cylinder 20 Sealing is contacted with piston 31 with the O-ring 32 of 4 junction of gun tube, can largely lead to poorly sealed situation;Piston 31 for the cavity structures of loss of weight be right opening, can make when transmitting that part high pressure gas passes through air storage chamber connecting tube 22 in air storage chamber Into cavity, the delay of high pressure gas in the cavities is caused, into gun tube is unstable and the waste of high pressure gas;It is above equal Bullet 5 can be caused to accelerate unstable

Invention content

The embodiment provides a kind of emitter, to solve prior art high pressure gas in the cavities stagnant It stays, the problem unstable into gun tube, and provides a kind of launching technique simple in structure, stable,

The embodiment provides a kind of emitter, including gas chamber, gas control equipment, trigger mechanism, gun tube, Wherein, gas control equipment and trigger mechanism are located at plenum interior, and gun tube is connected with gas chamber;The gas chamber includes cylinder body, air pressure The tracheae of table, high-pressure gas room connecting tube, cylinder body left end and gas control equipment connects, and air gauge, cylinder are connected at the top of cylinder body Body right end is connect by flange with gun tube;The trigger mechanism includes piston, sealing ring, and piston is arranged in cylinder body, and piston is left End be set as opening and it is hollow, piston right end be it is closed trapezoidal, sealing ring is arranged in the trapezoidal place of piston right end, piston and cylinder body Gap is reserved between inner wall, the sectional area of this gap is less than the inner section product of tracheae;The gas control equipment includes air inlet Valve, transmitting valve, air inlet pipe, left air cavity, right air cavity, intake valve, transmitting valve are connect with air inlet pipe, and air inlet pipe passes through cylinder body and left gas Chamber is connected to, and left air cavity and right air cavity are located at piston left and right side, and intake valve is passed into gas chamber for controlling high pressure gas, Emit valve to be used for left air cavity and atmosphere.

The piston uses I-shaped support construction or hollow cylinder structure.

High-pressure gas room connecting tube and the inner section of gun tube product are generally equalized.

The trigger mechanism further includes cushion block, and cushion block is pasted on piston left side.

Piston is more than the internal diameter of gun tube along right air cavity move distance.

According to an embodiment of the invention, since the pressure of right air cavity acts on piston, and the gas in right air cavity is along cylinder Internal wall and piston clearance flow at high speed so that piston is quickly moved to the left side under the action of pressure difference, therefore piston is known as Air-flotation type piston pushes piston motion using the pressure difference of piston both sides, high pressure gas is made to enter gun tube to push body Or bird bullet transmitting.Piston is pushed to make its movement, and the possibility contact area of piston and cylinder inner wall by then passing through air floating Smaller, therefore operate flexibly, reliability is high, avoids piston motion resistance problem.Emit side piston envelope close to high pressure gas It closes, high pressure gas is made to fully enter gun tube, body accelerates faster, more stable, ensure that high pressure gas enters gun tube and pushes body Or bird bullet is a constant pressure and constant accelerator.Piston cross-section is designed as trapezoidal simultaneously, cylinder body be to match with piston at piston seal That closes is trapezoidal, increases leakproofness using trapezoid cross section, ensure that the stability of device.

Description of the drawings

Fig. 1 shows the emitter of the embodiment of the present invention;

Fig. 2 shows the emitters of prior art Literature 1;

Fig. 3 shows the emitter of prior art Literature 2.

Specific implementation mode

The present invention is understood and realized for the ease of persons skilled in the art, describes the implementation of the present invention in conjunction with attached drawing Example.

Referring to Fig.1, the embodiment provides a kind of emitter, which includes:Gas chamber, gas control Bullet 5 inside device, trigger mechanism, gun tube 4 and gun tube, wherein gas control equipment and trigger mechanism are located in gas chamber Portion, gun tube (4) are connected with gas chamber.

The gas chamber includes cylinder body 20, air gauge 21, high-pressure gas room connecting tube 22, and 20 inside of cylinder body is circle, cylinder Inner wall grinding is smooth, and 20 left end of cylinder body is connect with the tracheae 12 in gas control equipment, and air gauge 21 is connected at 20 top of cylinder body, 20 right end of cylinder body is connect by flange with gun tube 4, and high-pressure gas room connecting tube 22 and the inner section product of gun tube 4 are generally equalized.

The trigger mechanism includes cushion block 30, piston 31, sealing ring 32, and cushion block 30 is pasted on 31 left side of piston, is risen To the effect of sealing piston mouth and buffering, piston 31 is left end open hollow, and piston 31 is reserved with gap with 20 inner wall of cylinder body, The inner section that the sectional area of this gap is less than tracheae 12 is accumulated, and piston 31 is more than the internal diameter of gun tube 4 along 14 move distance of right air cavity.It is living Plug 31 is arranged in cylinder body 20, and 31 right end of piston is trapezoidal, and sealing ring 32 is arranged at the trapezoidal place of 31 right end of piston.The piston 31 use I-shaped support construction hollow cylinder structure, the contact area for reducing piston 31 and 20 inner wall of cylinder body, reduction to rub It wipes, while mitigating piston weight.31 right end of piston is closed so that completely into gun tube 4 when high pressure gas emits, is not detained in Cavity, make be bullet 5 accelerate faster, it is more stable.

The gas control equipment includes intake valve 10, transmitting valve 11, air inlet pipe 12, left air cavity 13, right air cavity 14, air inlet Valve 10, transmitting valve 11 are connected with air inlet pipe 12 simultaneously, and air inlet pipe 12 is connected to by cylinder body 20 with left air cavity 13, left air cavity 13 and the right side Air cavity 14 is located at 31 left and right sides of piston, and intake valve 10 is passed into gas chamber for controlling high pressure gas, and transmitting valve 11 is used for By left air cavity 13 and atmosphere.

It when work, is first turned on into source of the gas valve 10, connects air inlet pipe 12, high pressure gas enters left air cavity by air inlet pipe 12 13, since the inner section product of air inlet pipe 12 is more than the gap sectional area of piston 31 and 20 inner wall of cylinder, the hyperbar promotion of entrance Piston 31 is moved to the right, so that piston 31 is fitted close with 20 trapezoid cross section of cylinder opening and has the sealing ring 32 at 31 middle part of piston Sealing, the at this time sealing of right air cavity 14, high pressure gas enter air storage chamber by air storage chamber connecting tube 22.When the right side that pressure gauge 21 indicates When the pressure of air cavity 14 reaches desired value, intake valve 10 is closed.Need emit body when, open transmitting valve 11 by air inlet pipe 12 with Outside atmosphere communicates, at this moment, since 12 inner section of air inlet pipe product is more than the gap sectional area between 20 inner wall of piston 31 and cylinder, The pressure of gas fast evacuation in left air cavity 13, right air cavity 14 acts on piston 31, and the gas in right air cavity 14 is along cylinder body 20 inner walls and 31 gap flow at high speed of piston, eliminate resistance, under the action of pressure difference, piston 31 quickly moves to a left side to the left side 13 left end of air cavity.The impact that 30 damper piston of cushion block, 31 high-speed motion is brought.Gun muzzle is opened rapidly at this time, while high-pressure gas room Connecting tube 22 is connected, and high pressure gas enters right air cavity 14 by air storage chamber connecting tube 22 and fully enters gun tube 4, pushes bullet 5 Launch.

According to the present invention, since the pressure of right air cavity 14 acts on piston 31, and the gas in right air cavity 14 is along cylinder body 20 inner walls and 31 gap flow at high speed of piston so that piston 31 is quickly moved to the left side under the action of pressure difference, therefore by piston Referred to as air-flotation type piston pushes piston motion using the pressure difference of piston both sides, high pressure gas is made to enter gun tube to push Body or the transmitting of bird bullet.Piston is pushed to make its movement by then passing through air floating, and piston is contacted with the possibility of cylinder inner wall Area smaller, therefore operate flexibly, reliability is high, avoids piston motion resistance problem.It lives close to high pressure gas transmitting side Plug closing makes high pressure gas fully enter gun tube, and body accelerates faster, more stable, ensure that high pressure gas enters gun tube promotion Body or bird bullet are a constant pressure and constant accelerators.Piston cross-section is designed as trapezoidal simultaneously, and cylinder body is and work at piston seal Plug coordinates trapezoidal, increases leakproofness using trapezoid cross section, ensure that the stability of device.

Although depicting the present invention by embodiment, it will be appreciated by the skilled addressee that not departing from the present invention's In the case of spirit and essence, so that it may make the present invention there are many deformation and variation, the scope of the present invention is by the attached claims To limit.

Claims (5)

1. a kind of emitter, it is characterised in that:Including gas chamber, gas control equipment, trigger mechanism, gun tube (4), wherein gas Member control apparatus and trigger mechanism are located at plenum interior, and gun tube (4) is connected with gas chamber;
The gas chamber includes cylinder body (20), air gauge (21), high-pressure gas room connecting tube (22), cylinder body (20) left end and gas control The tracheae (12) of device processed connects, and connection air gauge (21), cylinder body (20) right end pass through flange and gun tube at the top of cylinder body (20) (4) it connects;
The trigger mechanism includes piston (31), sealing ring (32), and piston (31) setting is in cylinder body (20), piston (31) left end Be set as opening and hollow, piston (31) right end be it is closed trapezoidal, sealing ring (32) setting at the trapezoidal place of piston (31) right end, Gap is reserved between piston (31) and cylinder body (20) inner wall, the sectional area of this gap is less than the inner section product of tracheae (12);
The gas control equipment includes intake valve (10), transmitting valve (11), air inlet pipe (12), left air cavity (13), right air cavity (14), intake valve (10), transmitting valve (11) are connect with air inlet pipe (12), and air inlet pipe (12) passes through cylinder body (20) and left air cavity (13) Connection, left air cavity (13) and right air cavity (14) are located at piston (31) left and right side, and intake valve (10) is for controlling high pressure Gas is passed into gas chamber, and transmitting valve (11) is used for left air cavity (13) and atmosphere.
2. emitter according to claim 1, which is characterized in that the piston (31) using I-shaped support construction or Hollow cylinder structure.
3. emitter according to claim 1, which is characterized in that high-pressure gas room connecting tube (22) and gun tube (4) Inner section product is generally equalized.
4. emitter according to claim 1, which is characterized in that the trigger mechanism further includes cushion block (30), cushion block (30) it is pasted on piston (31) left side.
5. emitter according to claim 1, which is characterized in that piston (31) is more than along right air cavity (14) move distance The internal diameter of gun tube (4).
CN201810121606.9A 2018-02-07 2018-02-07 A kind of emitter CN108362168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810121606.9A CN108362168A (en) 2018-02-07 2018-02-07 A kind of emitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810121606.9A CN108362168A (en) 2018-02-07 2018-02-07 A kind of emitter

Publications (1)

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CN108362168A true CN108362168A (en) 2018-08-03

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CN201810121606.9A CN108362168A (en) 2018-02-07 2018-02-07 A kind of emitter

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Country Link
CN (1) CN108362168A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2050583U (en) * 1989-05-04 1990-01-03 吴法森 Machine air gun
CN2730802Y (en) * 2004-05-12 2005-10-05 孟繁英 Arch breaker
CN101493391A (en) * 2009-02-19 2009-07-29 安徽理工大学 Pneumatic power bullet transmission cylinder for material dynamic performance experiment
CN101566448A (en) * 2008-04-25 2009-10-28 北京航天发射技术研究所 Integral launching unit taking compressed gas as energy
CN102252562A (en) * 2011-04-28 2011-11-23 西北工业大学 Air-float piston type launcher

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2050583U (en) * 1989-05-04 1990-01-03 吴法森 Machine air gun
CN2730802Y (en) * 2004-05-12 2005-10-05 孟繁英 Arch breaker
CN101566448A (en) * 2008-04-25 2009-10-28 北京航天发射技术研究所 Integral launching unit taking compressed gas as energy
CN101493391A (en) * 2009-02-19 2009-07-29 安徽理工大学 Pneumatic power bullet transmission cylinder for material dynamic performance experiment
CN102252562A (en) * 2011-04-28 2011-11-23 西北工业大学 Air-float piston type launcher

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Application publication date: 20180803

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