CN101099883A - Fire-extinguishing water gun - Google Patents
Fire-extinguishing water gun Download PDFInfo
- Publication number
- CN101099883A CN101099883A CNA2006100287238A CN200610028723A CN101099883A CN 101099883 A CN101099883 A CN 101099883A CN A2006100287238 A CNA2006100287238 A CN A2006100287238A CN 200610028723 A CN200610028723 A CN 200610028723A CN 101099883 A CN101099883 A CN 101099883A
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- fire
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- air tank
- piston
- fighting lance
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention is concerned with a kind of water gun to control fire, belonging to fire control appliance. It is a new water gun with easy structure to control fire by ejecting water bombs continuously. It relates to mouth of squirt gun with valve, canister for storing water with water valve, canister for storing gas with gas valve, the hole for water entering of canister for storing water connects with water valve, and the canister for storing gas connects with gas valve, and the hole of water entering of the mouth of squirt gun with valve connects with hole of water exceeding of the end to canister for storing water. The canister for storing water and gas is a whole, and there is piston between them, while there are sealed circle and bearing circle on the piston. The canister for storing gas has compressed air or compressed apring. This invention takes power with endogenic energy with perfect airproof nature for long work life. It does set air yawp when ejecting water bombs, and the speed is quick with large power, especially for exterminating the fire on vehicle, gas and electrical apparatus.
Description
Technical field
The present invention relates to a kind of fire-fighting lance, particularly relate to the fire-fighting lance of injection water bullet, belong to the fire-fighting equipment technical field.
Background technology
Domestic existing fire-fighting lance description is more, and water curtain is three kinds but ejection function has only direct current, sprays and blooms.Usually, these three kinds of functions are being put out that solid catches fire, liquid catches fire and are being prevented aspect roasting the wound very suitable.In order to increase jeting effect and impulsive force, also exploitation has hydraulic giant booster, vapour-pressure type injector etc.As a kind of pulse vapour-pressure type fire-fighting lance described in the Chinese patent literature CN1201833C, by gas receiver, liquid storage cylinder, one be arranged on the liquid storage cylinder air inlet be used to control the multichannel combination valve that gas receiver is communicated with liquid storage cylinder and form, gas receiver is a ring-type tubular construction that is provided with around liquid storage cylinder and multichannel combination valve.Interlock control by the multichannel combination valve that is connected with atmosphere with liquid storage cylinder, gas receiver, external high-pressure air source respectively, release pressure gas is released water through the atomizing baffle plate in liquid storage cylinder off and on, and ejecting high-speed adjustable water saving mist increases the kinetic energy of water spray, the particle that reduces water smoke, raising fire extinguishing effectiveness.
External except the fire-fighting lance of these three kinds of functions, French medium disclose a kind of new-type fire-fighting lance of manufacturing experimently recently.Be linked in sequence and form by valve rifle mouth, liquid storage cylinder, liquid gas Two purpose valve, gas receiver, external high-pressure air source.By liquid gas dual-purpose valve off and in liquid storage cylinder release pressure gas water is released through valve rifle mouth.Has the function of spraying bulk water bullet.The flying speed of water bullet is fast, and impulsive force is big.Through fire-extinguishing test, catch fire to putting out automobile, that gas ignition and electrical equipment catch fire etc. is very effective.
Because each the injection is to control by valve, release pressure gas is released the water reinforcement in liquid storage cylinder off and on, gas receiver after each the injection obtains replenishing gases at high pressure from external high-pressure air source again, so this fire-fighting lance will connect an appendix more in addition and be communicated with air compressor and could use after connecting fire hose.This operation that can increase the fire fighter is carried with handicapped.In addition, discharge gases at high pressure and also can produce noise.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of simple in structure, carry the new-type fire-fighting lance with running fire injection water bouncing function light and safe in utilization.
Purpose of the present invention is achieved by following technical proposals.
The present invention is a kind of fire-fighting lance, comprises band valve hydraulic giant mouth, water storage tube, air tank, and the inlet opening of water storage tube is connected with water valve, and the air admission hole of air tank is connected with air valve, and the water inlet of band valve hydraulic giant mouth is connected with water storage tube end delivery port.Described water storage tube and air tank are one, between water storage tube and the air tank piston are arranged, and sealing ring and wear-resisting circle are arranged on the piston.Compressed air or compression spring are arranged in the described air tank.
The present invention compared with prior art has following advantage:
1. interior can acting, not having external high-pressure air source is the use restriction of appendix and air compressor, carry light, favourable action.
2. built-in gas spring, simple in structure, power saving economizes gas.
3. by piston release potential energy, impulsive force is big, and good airproof performance can running fire, the long-term use, and can not discharge gas noise during the injection water bullet, safe in utilization.
Description of drawings
Fig. 1 is a kind of fire-fighting lance first example structure schematic diagram of the present invention;
Fig. 2 is a kind of fire-fighting lance second example structure schematic diagram of the present invention;
Fig. 3 is a kind of fire-fighting lance the 3rd example structure schematic diagram of the present invention;
Fig. 4 is a kind of fire-fighting lance the 4th example structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Shown in Fig. 1, be a kind of fire-fighting lance first example structure schematic diagram of the present invention.It comprises band valve hydraulic giant mouth 1, water storage tube 3, air tank 5.The inlet opening of water storage tube 3 is connected with water intaking valve 2, and the air admission hole of air tank 5 is connected with intake valve 12, and the water inlet of band valve hydraulic giant mouth 1 is connected with water storage tube 3 end delivery ports.Described water storage tube 3 and air tank 5 are one, between water storage tube 3 and the air tank 5 piston 4 are arranged, and sealing ring 18 and wear-resisting circle 17 are arranged on the piston 4.Water storage tube 3, air tank 5 and piston 4 are metal material, are preferably light material or rush-resisting material or non-magnet material, as aluminium alloy, copper alloy, stainless steel or synthetic resin etc.The quantity of sealing ring 18, position and direction are decided on its seal form, can make the individual layer sealing, also can be double-layer seals, or multi-sealed, and the best is oppositely installed for the axial two ends that two-layer sealing ring is positioned at piston 4.Equally, the quantity of wear-resisting circle 17 can be individual pen, two circle or multi-turn, decides on its axial location and width that is positioned at piston 4, and the best is that two circles are wear-resisting.Wear-resisting circle 17 can be the circle of remaining silent, and also can be broken ring.Air tank 5 inwalls of air tank 5 one sides that described piston 4 is axial have spacing 14.On the described piston 4 magnet ring 16 is arranged.Described water storage tube 3 inner ends and piston 4 axially between buffering 19 is arranged.Described spacing 14 and piston 4 axially between buffering 15 is arranged.Buffering 19 can also can be fluid cushion for rubber cushions; Buffering 15 can also can be gas buffer for rubber cushions.In the described air tank 5 compressed air 21 is arranged.The air pressure size of air tank 5 compressed airs 21 is set according to hydraulic giant injection water bullet quality, flying speed and impact dynamics.There is air gauge 7 end of described air tank 5.Air gauge 7 can be radially vertical air gauge, also can be axially to carry on the back the formula air gauge.
Its operation principle and operating procedure are as follows:
1. fire water supply is received on the water intaking valve 2, and making its minimum intake pressure that maintains hydraulic giant, above (the minimum hydraulic pressure of fire hydrant is 8kg/cm usually
2).Open water intaking valve 2 to 3 retainings of water storage tube, after water storage tube 3 air are emitted, promptly close band valve hydraulic giant mouth.Under the source pressure effect, retaining 20 amounts in the water storage tube 3 increase, and the retaining 20 that intake pressure passes in the water storage tube 3 acts on piston 4.Because the Incoercibility of water and the compressibility of gas, and the thrust of 20 pairs of pistons 4 of retaining is greater than the thrust of 21 pairs of pistons 4 of compressed air, and piston 4 is to air tank 5 one side shiftings, and the volume of air tank 5 compressed airs 21 reduces, pressure increases, temperature raises, interior can increasing.Can be used as adiabatic process, formed a gas spring.Thereby the elastic potential energy that the kinetic energy of outside fire water supply is transferred to the internal gas spring.
2. by indicating value, the induction of magnet ring 16 or spacing 14 the restriction of air gauge 7, shift position and the fire water supply of piston 4 in water storage tube 3 injects the water yield or the quality of the retaining 20 in the water storage tube 3 as can be known.The water yield of retaining 20 or quality reach the numerical value of design limiting in water storage tube 3, i.e. retaining 20 is full of water storage tube 3, stop the water source and inject.At this moment the water yield or the quality of retainings 20 in the water storage tube 3, be exactly will the injection water bullet the water yield or quality.
3. open band valve hydraulic giant mouth 1, the elastic potential energy of gas spring savings obtains to discharge in the air tank 5, also can be used as adiabatic process.Piston 4 rapidly to water storage tube 3 one side shiftings, will hold the retaining 20 fierce band valve hydraulic giant mouths 1 of releasing in the full water storage tube under the gas pressure intensity effect of air tank 5 compressed airs 21, eject bulk water bullet.Because the interior thrust F that can equal piston 4 of gas spring in the air tank 5 by 21 the work W of retaining in 4 pairs of water storage tubes of piston 3
0Product (W=F with the displacement L of piston 4
0* L), and the thrust F of piston 4
0Equal the product (F of the gas pressure intensity P of the radially area S of piston 4 and air tank 5 compressed airs 21
0=S * P), the quality of quality of known retaining 20 (being the quality of injection water bullet) and piston 4 is used Newton's second law (F again
0=ma).Can see that thus the impact dynamics of a kind of fire-fighting lance injection water bullet of the present invention is much larger than the impact dynamics of the general fire-fighting lance injection of prior art direct current water column, the spray globule and the water curtain of blooming.
4. after injection water launches out, promptly close band valve hydraulic giant mouth 1.Return step 1. and repeat above-mentioned steps, can running fire injection water bullet, till putting out fire.
Show according to the result of fire-extinguishing test, the injection water bullet of this fire-fighting lance, flying speed is fast, impacts great efforts, and is very effective to putting out automobile and catch fire, put out that gas ignition and electrical equipment catch fire etc.A kind of fire-fighting lance particularly of the present invention, the injection water bullet that can do work in adopting does not have external high-pressure air source to be the use restriction of appendix and air compressor, and is easy to carry, favourable action; Adopt built-in gas spring, simple in structure, power saving economizes gas; By piston release potential energy, impulsive force is big, and good airproof performance can running fire, the long-term use, and can not discharge gas noise during the injection water bullet, safe in utilization.
Shown in Fig. 2, be a kind of fire-fighting lance second example structure schematic diagram of the present invention.It is the further application on a kind of fire-fighting lance of the present invention shown in Figure 1 first example structure basis.The end axis that is described air tank 5 is to there being through hole 10, and an end of litter 6 passes through hole 10 and is connected with air tank 5 inner carriers 4, and the other end of air tank 5 outer slide bars 6 has connector 9, through hole 10 and slide bar 6 radially between sealing ring 8 and sliding bearing 11 are arranged.Connector 9 can be a thread joined structure, also can be the pivot pin draw bail, also can be protective draw bail or other draw bails.Its operation principle and operating procedure are described with a kind of fire-fighting lance first embodiment of the present invention.Its outstanding role is that the effect of litter 6 not only can increase the stability of piston 4 motions, the mechanical movement of piston 4 can also be delivered to the connector 9 outside the air tank 5, so that realize mechanical interlock control as close water intaking valve 2 etc.
Shown in Fig. 3, be a kind of fire-fighting lance the 3rd example structure schematic diagram of the present invention.It also is the further application on a kind of fire-fighting lance of the present invention shown in Figure 1 first example structure basis.Be that compression spring 13 is arranged in the described air tank 5, an end of compression spring 13 links to each other with piston 4, and the other end and air tank 5 inner ends are axially conflicted.The material of compression spring 13 can be a stainless steel, also can be spring steel.Its operation principle and operating procedure are described with a kind of fire-fighting lance first embodiment of the present invention.Its outstanding role is that the effect of compression spring 13 not only can increase the thrust of piston 4, can also compensate the pressure deficiency of compressed air 21, increases the elastic potential energy of gas spring.When the elastic force of compression spring 13 is provided with enough injection water bullets, the pressure of the compressed air 21 in the air tank 5 can be normal pressure, that is air tank 5 inner carriers 4 in the tube at the delivery port place of water storage tube 3 gas pressure intensity with tin outside atmospheric pressure equate.At this moment, can remove from the air gauge 7 of the end of air tank 5, and can have passage, also can not open pore, preferably not open pore in the end of air tank 5.This has just constituted another embodiment of a kind of fire-fighting lance the 3rd embodiment of the present invention.
Shown in Figure 4, be a kind of fire-fighting lance the 4th example structure schematic diagram of the present invention.It is the combination of a kind of fire-fighting lance second example structure of the present invention and the 3rd example structure, also is the further application on a kind of fire-fighting lance of the present invention shown in Figure 1 first example structure basis.Be that described air tank 5 is built-in with compression spring 13, an end of compression spring 13 links to each other with piston 4, and the other end and air tank 5 inner ends are axially conflicted.The end axis of described air tank 5 is to through hole 10 is arranged, one end of litter 6 passes through hole 10 and is connected with air tank 5 inner carriers 4 with compression spring 13, the other end of air tank 5 outer slide bars 6 has connector 9, through hole 10 and slide bar 6 radially between sealing ring 8 and sliding bearing 11 are arranged.The material of compression spring 13 can be a stainless steel, also can be spring steel.Connector 9 can be a screw connection structure, also can be the pivot pin syndeton, also can be protective syndeton or other syndetons.Its operation principle and operating procedure are described with a kind of fire-fighting lance first embodiment of the present invention, and its outstanding role is described with a kind of fire-fighting lance second of the present invention and the 4th embodiment.When the elastic force of compression spring 13 is provided with enough injection water bullets, the pressure of the compressed air 21 in the air tank 5 can be normal pressure, that is air tank 5 inner carriers 4 in the tube at the delivery port place of water storage tube 3 gas pressure intensity with tin outside atmospheric pressure equate.At this moment, can remove from the air gauge 7 of the end of air tank 5, and can have passage, also can not open pore, preferably not open pore in the end of air tank 5.This has constituted another embodiment of a kind of fire-fighting lance the 4th embodiment of the present invention.
In addition, other example structure of the present invention, also comprise braces and suspender clip or frenulum hole are arranged on the example structure described in these four kinds of embodiment, one to two handle (best two handles), various forms of supports or the like, and expansion such as quality, range, speed that increase the injection water bullet put out a fire effectiveness and scope and the high-power fire water bullet rifle (big gun) that forms, have all constituted other embodiments of the present invention.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For the those of ordinary skill in described field, can also make other multi-form variation or changes on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these conspicuous variations of being extended out by design of the present invention or change still are among protection scope of the present invention.
Claims (9)
1. fire-fighting lance, comprise band valve hydraulic giant mouth (1), water storage tube (3), air tank (5), the inlet opening of water storage tube (3) is connected with water intaking valve (2), the air admission hole of air tank (5) is connected with intake valve (12), the water inlet of band valve hydraulic giant mouth (1) is connected with water storage tube (3) end delivery port, it is characterized in that: described water storage tube (3) and air tank (5) are one, between water storage tube (3) and the air tank (5) piston (4) is arranged, sealing ring (18) and wear-resisting circle (17) are arranged on the piston (4).
2. a kind of fire-fighting lance according to claim 1 is characterized in that: compressed air (21) is arranged in the described air tank (5).
3. a kind of fire-fighting lance according to claim 1 is characterized in that: air tank (5) inwall of air tank (5) one sides that described piston (4) is axial has spacing (14).
4. a kind of fire-fighting lance according to claim 1 is characterized in that: there is air gauge (7) end of described air tank (5).
5. a kind of fire-fighting lance according to claim 1 is characterized in that: magnet ring (16) is arranged on the described piston (4).
6. a kind of fire-fighting lance according to claim 1 is characterized in that: described water storage tube (3) inner end and piston (4) axially between buffering (19) is arranged.
7. according to claim 1 or 3 described a kind of fire-fighting lances, it is characterized in that: described spacing (14) and piston (4) axially between buffering (15) is arranged.
8. a kind of fire-fighting lance according to claim 1 is characterized in that: compression spring (13) is arranged in the described air tank (5), and an end of compression spring (13) links to each other with piston (4), and the other end and air tank (5) inner end is axially conflicted.
9. a kind of fire-fighting lance according to claim 1, it is characterized in that: the end axis of described air tank (5) is to through hole (10) is arranged, one end of slide bar (6) passes through hole (10) and is connected with air tank (5) inner carrier (4), the other end of the outer slide bar of air tank (5) (6) has connector (9), through hole (10) and slide bar (6) radially between sealing ring (8) and sliding bearing (11) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100287238A CN101099883A (en) | 2006-07-07 | 2006-07-07 | Fire-extinguishing water gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100287238A CN101099883A (en) | 2006-07-07 | 2006-07-07 | Fire-extinguishing water gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101099883A true CN101099883A (en) | 2008-01-09 |
Family
ID=39034432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100287238A Pending CN101099883A (en) | 2006-07-07 | 2006-07-07 | Fire-extinguishing water gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101099883A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007471A (en) * | 2012-12-06 | 2013-04-03 | 浙江工业大学 | Air bag buffered high pressure gas water shell firing device |
| CN103007470A (en) * | 2012-12-06 | 2013-04-03 | 浙江工业大学 | Gas-liquid buffered high-pressure gas water bomb launcher |
| CN107802976A (en) * | 2017-10-24 | 2018-03-16 | 徐勤凤 | A kind of fire fighting device sprinkling extinguishing device |
-
2006
- 2006-07-07 CN CNA2006100287238A patent/CN101099883A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007471A (en) * | 2012-12-06 | 2013-04-03 | 浙江工业大学 | Air bag buffered high pressure gas water shell firing device |
| CN103007470A (en) * | 2012-12-06 | 2013-04-03 | 浙江工业大学 | Gas-liquid buffered high-pressure gas water bomb launcher |
| CN103007471B (en) * | 2012-12-06 | 2015-04-22 | 浙江工业大学 | Air bag buffered high pressure gas water shell firing device |
| CN107802976A (en) * | 2017-10-24 | 2018-03-16 | 徐勤凤 | A kind of fire fighting device sprinkling extinguishing device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |