CN107961474A - A kind of lance head, spray gun and extinguishing device - Google Patents
A kind of lance head, spray gun and extinguishing device Download PDFInfo
- Publication number
- CN107961474A CN107961474A CN201810012019.6A CN201810012019A CN107961474A CN 107961474 A CN107961474 A CN 107961474A CN 201810012019 A CN201810012019 A CN 201810012019A CN 107961474 A CN107961474 A CN 107961474A
- Authority
- CN
- China
- Prior art keywords
- spray gun
- atomizer
- pipette tips
- lance head
- foam jet
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000006260 foam Substances 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000000889 atomisation Methods 0.000 claims description 17
- 239000003595 mist Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 13
- 239000000243 solution Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
- A62C31/07—Nozzles specially adapted for fire-extinguishing with two or more outlets for different media
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0036—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
Abstract
A kind of lance head, spray gun and extinguishing device provided by the invention, are related to technical field of fire control, including pipette tips body；The water outlet of pipette tips body is provided with foam jet and atomizer, and interface conversion mechanism is equipped between foam jet and atomizer, for switching the connected state of foam jet and atomizer and the water inlet end of pipette tips body.In the above-mentioned technical solutions, compared with prior art, since the state that existing spray gun is sprayed water during rescue is single, trouble is changed between medium, so effective water spraying mode can not quickly be switched according to live fire condition, and technical scheme is employed the structure on foam jet and atomizer set a to lance head, and the working status of switching foam jet and atomizer is realized by interface conversion mechanism, so, effective water spraying mode can be switched fast according to the demand of actual conditions in the disaster relief of putting out a fire, save the operating time, improve rescue efficiency.
Description
Technical field
The present invention relates to technical field of fire control, more particularly, to a kind of lance head, spray gun and extinguishing device.
Background technology
Fire refers in the time or the spatially disaster caused by out of control burning.In various disasters, fire is
Most frequently, one of major casualty of public security and social development is most generally threatened.
The mankind can be utilized and be controlled to fire, be an important symbol of civilization and progress.Thus the mankind use fire
History with the history that fire is struggled be accompany interpromoting relation in five elements, people while with fire, constantly summarize fire occur rule
Rule, is reduced as far as fire and its harm caused by the mankind.Safety is needed in fire, is escaped as soon as possible.
And during the disaster relief, spray gun is exactly a kind of common rescue aid, and general spray gun is empty using liquid or compression
The equipment discharged rapidly as power of gas.
But existing spray gun rescue work inefficiency, effect and the time of fire extinguishing are influenced, can not meet quickly to rescue
The demand helped.
The content of the invention
It is an object of the invention to provide a kind of lance head, spray gun and extinguishing device, to solve to exist in the prior art
The low technical problem of spray gun rescue efficiency.
A kind of lance head provided by the invention, including pipette tips body；
The water outlet of the pipette tips body is provided with least one foam jet and at least one atomizer, the foam
Interface conversion mechanism is equipped between nozzle and the atomizer, for switching the foam jet and the atomizer and institute
State the connected state of the water inlet end of pipette tips body.
In the above-mentioned technical solutions, compared with prior art, due to state that existing spray gun is sprayed water during rescue
It is single, trouble is changed between medium, so can not quickly switch effective water spraying mode according to live fire condition, and
Technical scheme is employed by the structure on foam jet and the atomizer set a to lance head, and by connecing
Mouth switching mechanism switches the working status of foam jet and the atomizer to realize, so, it is possible in the disaster relief of putting out a fire
Effective water spraying mode is switched fast according to the demand of actual conditions, saves the operating time, improves rescue efficiency.
Selectable, in an embodiment of the present invention, the interface conversion mechanism includes conversion ball valve.
Selectable, in an embodiment of the present invention, the atomizer includes pressure atomized fog jet, rotation type atomization sprays
Mouth, medium atomization formula nozzle, ultrasonic atomization and one kind in electrostatic atomization nozzle or combination.
Present invention also offers a kind of spray gun, including gun handle and lance head described above；
The gun handle is arranged on the water inlet end of the pipette tips body of the lance head, and the gun handle and the spray
The interface conversion mechanism connection of pipette tips, for driving the interface conversion mechanism to switch the foam jet and the atomizer
With the connected state of the water inlet end of the pipette tips body.
In the above-mentioned technical solutions, compared with prior art, due to state that existing spray gun is sprayed water during rescue
It is single, trouble is changed between medium, so can not quickly switch effective water spraying mode according to live fire condition, and
The spray gun employs the lance head, using the lance head by foam jet and the atomizer set to a spray gun
Structure on head, and by interface conversion mechanism come realize switching foam jet and the atomizer working status, so,
Effective water spraying mode can be switched fast according to the demand of actual conditions in the disaster relief of putting out a fire, save the operating time, improved
Rescue efficiency.
Further, in an embodiment of the present invention, it is provided with Switch of spray pistol on the gun handle；
The Switch of spray pistol is connected with the water inlet end of the pipette tips body, for opening or closing the water inlet end.
In the above-mentioned technical solutions, the connection at water source can be easily controlled using the Switch of spray pistol, is improved in fire
Rescue efficiency among rescue.
Further, in an embodiment of the present invention, spray gun safety lock is provided with the Switch of spray pistol, for open or
Lock the Switch of spray pistol.
In the above-mentioned technical solutions, using the spray gun safety lock can easily control the Switch of spray pistol unlatching and
Locking, prevent in the state of the Switch of spray pistol illegally opened, influence the normal use of spray gun.
Further, in an embodiment of the present invention, spray gun lock-on connection is further included；
The gun handle is connected with the water inlet end of the pipette tips body by the spray gun lock-on connection.
In the above-mentioned technical solutions, the disassembly and installation lance head that the spray gun lock-on connection can be more convenient.
Further, in an embodiment of the present invention, the holding part of the gun handle is provided with Anti-slip cover.
In the above-mentioned technical solutions, the frictional force of the holding part of the gun handle can be increased using the Anti-slip cover,
Easy to hold.
It is selectable, in an embodiment of the present invention, the direct-injection axially bored line of the foam jet and the atomizer
Atomization axially bored line is mutually perpendicular to.
Present invention also offers a kind of extinguishing device, including spray gun described above.
In the above-mentioned technical solutions, compared with prior art, due to state that existing spray gun is sprayed water during rescue
It is single, trouble is changed between medium, so can not quickly switch effective water spraying mode according to live fire condition, and
The extinguishing device employs the spray gun, is arrived foam jet and the atomizer set using lance head on the spray gun
Structure on one lance head, and by interface conversion mechanism come realize switching foam jet and the atomizer work shape
State, so, it is possible to effective water spraying mode is switched fast according to the demand of actual conditions in the disaster relief of putting out a fire, when saving operation
Between, improve rescue efficiency.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the first sectional view of lance head provided by one embodiment of the present invention；
Fig. 2 is the side view of the lance head shown in Fig. 1；
Fig. 3 is the second sectional view of lance head provided by one embodiment of the present invention；
Fig. 4 is the side view of the lance head shown in Fig. 3；
Fig. 5 is the 3rd sectional view of lance head provided by one embodiment of the present invention；
Fig. 6 is the structure diagram of spray gun provided by one embodiment of the present invention.
Reference numeral：
1- pipette tips bodies；2- gun handles；
11- foam jets；12- atomizers；
21- Switch of spray pistol；22- spray gun safety locks；23- spray gun lock-on connections.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the first sectional view of lance head provided by one embodiment of the present invention；Fig. 2 is the lance head shown in Fig. 1
Side view；Fig. 3 is the second sectional view of lance head provided by one embodiment of the present invention；Fig. 4 is the side of the lance head shown in Fig. 3
View；As shown in Figs 1-4, a kind of lance head provided in this embodiment, including pipette tips body 1；
The water outlet of the pipette tips body 1 is provided with least one foam jet 11 and at least one atomizer 12, institute
State and interface conversion mechanism is equipped between foam jet 11 and the atomizer 12, for switching the foam jet 11 and described
The connected state of atomizer 12 and the water inlet end of the pipette tips body 1.
First, by carrying out research discovery to the spray gun of the prior art, existing spray gun is low in the process rescue efficiency of rescue
It is because the water spray state of spray gun is single mostly, trouble is changed between medium, like this, switches water spray state when rescue
When corresponding to specific fire condition, it will take a substantial amount of time, so its main problem is can not be according to live fire
Situation quickly switches effective water spraying mode.
For the above situation, technical scheme is employed gathers one by foam jet 11 and the atomizer 12
Structure on a lance head, and by interface conversion mechanism come realize switching foam jet 11 and the atomizer 12 work
State, so, it is possible to effective water spraying mode is switched fast according to the demand of actual conditions in the disaster relief of putting out a fire, saves operation
Time, improves rescue efficiency.
Selectable, in an embodiment of the present invention, the interface conversion mechanism includes conversion ball valve.
Selectable, in an embodiment of the present invention, the atomizer 12 includes pressure atomized fog jet 12, rotary mist
Change nozzle 12, medium atomization formula nozzle, ultrasonic atomization and one kind in electrostatic atomization nozzle 12 or combination.
And in one embodiment of the application, the quantity of the foam jet 11 and the atomizer 12 may be configured as
It is one or more.Particular number can be set according to actual conditions, be rescued with facilitating rescue workers smoothly to carry out fire
Help, and the species of the foam jet 11 and the atomizer 12 can also switch according to actual conditions.
With reference to described in Fig. 1 and Fig. 2, in one embodiment, the quantity of the foam jet 11 can be one, in addition,
The quantity of the atomizer 12 can be two, and two atomizers 12 can be arranged to long-range atomization spray
The atomizer 12 of mouth 12 and process, this makes it possible to by described in the long-range atomizer 12 and process
Atomizer 12 sprays long-range water mist and process water mist respectively, to carry out the rescue work of fire according to actual conditions, improves
Fire-fighting efficiency.
Wherein, the atomizer 12 of short range can as shown in Figure 1, in Fig. 1 be shown short range the atomization
The fit structure of nozzle 12 and foam jet 11.
Wherein, the atomizer 12 of process can as shown in Fig. 2, in fig. 2 the long-range atomization is shown
The fit structure of nozzle 12 and foam jet 11.
Fig. 5 is the 3rd sectional view of lance head provided by one embodiment of the present invention；Fig. 6 carries for one embodiment of the invention
The structure diagram of the spray gun of confession.
As shown in Figure 5 and Figure 6, present invention also offers a kind of spray gun, including gun handle 2 and spray gun described above
Head.
Wherein, the gun handle 2 is arranged on the water inlet end of the pipette tips body 1 of the lance head, and the gun handle 2
It is connected with the interface conversion mechanism of the lance head, for driving the interface conversion mechanism to switch the foam jet 11 and institute
State the connected state of atomizer 12 and the water inlet end of the pipette tips body 1.
Since the concrete structure of the lance head, the principle of work and power and technique effect are in detailed hereinbefore, herein just not
Repeat again.
So any technology contents for being related to the lance head, also refer to above for the note of the lance head
Load.
So by being provided with the lance head on spray gun, it becomes possible to cut using the interface conversion mechanism to realize
The working status of foam jet 11 and the atomizer 12 is changed, so, it is possible to according to actual conditions in the disaster relief of putting out a fire
Demand is switched fast effective water spraying mode, saves the operating time, improves rescue efficiency.
Wherein, the gun handle 2 is connected in the interface conversion mechanism, so passes through the operation to gun handle 2
The operation to interface switching mechanism can be completed, to facilitate to the foam jet 11 and the atomizer 12 and the rifle
The switching of the connected state of the water inlet end of head body 1.
Further, in an embodiment of the present invention, it is provided with Switch of spray pistol 21 on the gun handle 2.
Wherein, the Switch of spray pistol 21 is connected with the water inlet end of the pipette tips body 1, for opening or closing the water inlet
End.
Like this, when in use, when namely needing to connect water source, it is possible to open the Switch of spray pistol
21, the water inlet end at connection water source and the pipette tips body 1；When fire-fighting work finishes, you can to close the Switch of spray pistol 21,
With the connection cut off the water supply with the water inlet end of the pipette tips body 1, water source can be easily controlled using the Switch of spray pistol 21
Connection, improve the rescue efficiency among fire rescue.
Further, in an embodiment of the present invention, spray gun safety lock 22, the spray are provided with the Switch of spray pistol 21
Rifle safety lock 22 can be used for opening or lock the Switch of spray pistol 21.
The spray gun safety lock 22 can be thus utilized easily to control the unlatching and locking of the Switch of spray pistol 21,
The Switch of spray pistol 21 is closed when without using spray gun, prevent in the state of the Switch of spray pistol 21 illegally opened
Open, influence the normal use of spray gun.
Further, in an embodiment of the present invention, spray gun lock-on connection 23 is further included；The gun handle 2 with it is described
The water inlet end of pipette tips body 1 is connected by the spray gun lock-on connection 23.
The disassembly and installation lance head that can be more convenient using the spray gun lock-on connection 23.
Further, in an embodiment of the present invention, the holding part of the gun handle 2 is provided with Anti-slip cover.
Like this, the frictional force of the holding part of the gun handle 2 can be increased using the Anti-slip cover, easy to hold
Hold, prevent that among rescue rescue personnel's rubber sleeve drops spray gun, causes the delay of rescue, and then improve the efficiency of rescue.
It is selectable, in an embodiment of the present invention, the direct-injection axially bored line and the atomizer of the foam jet 11
12 atomization axially bored line is mutually perpendicular to.
Present invention also offers a kind of extinguishing device, including spray gun described above.
Since the concrete structure of the spray gun, the principle of work and power and technique effect are in detailed hereinbefore, herein just no longer
Repeat.
So any technology contents for being related to the spray gun, also refer to the record for the spray gun above i.e.
Can.
From the foregoing, it will be observed that compared with prior art, since the state that existing spray gun is sprayed water during rescue is single, medium
Between change trouble, so can not quickly switch effective water spraying mode according to live fire condition, and the fire extinguishing
Device employs the spray gun, and foam jet 11 and the atomizer 12 are gathered one using lance head on the spray gun
Structure on lance head, and by interface conversion mechanism come realize switching foam jet 11 and the atomizer 12 work shape
State, so, it is possible to effective water spraying mode is switched fast according to the demand of actual conditions in the disaster relief of putting out a fire, when saving operation
Between, improve rescue efficiency.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of lance head, it is characterised in that including pipette tips body (1)；
The water outlet of the pipette tips body (1) is provided with least one foam jet (11) and at least one atomizer (12),
Interface conversion mechanism is equipped between the foam jet (11) and the atomizer (12), for switching the foam jet
(11) and the water inlet end of the atomizer (12) and the pipette tips body (1) connected state.
2. lance head according to claim 1, it is characterised in that the interface conversion mechanism includes conversion ball valve.
3. lance head according to claim 1, it is characterised in that the atomizer (12) include pressure atomized fog jet,
Rotation type atomization nozzle, medium atomization formula nozzle, ultrasonic atomization and one kind in electrostatic atomization nozzle or combination.
4. a kind of spray gun, it is characterised in that including gun handle (2) and the lance head as any one of claim 1-3；
The gun handle (2) is arranged on the water inlet end of the pipette tips body (1) of the lance head, and the gun handle (2) with
The interface conversion mechanism connection of the lance head, for driving the interface conversion mechanism to switch the foam jet (11) and institute
State the connected state of atomizer (12) and the water inlet end of the pipette tips body (1).
5. spray gun according to claim 4, it is characterised in that be provided with Switch of spray pistol (21) on the gun handle (2)；
The Switch of spray pistol (21) is connected with the water inlet end of the pipette tips body (1), for opening or closing the water inlet end.
6. spray gun according to claim 5, it is characterised in that be provided with spray gun safety lock on the Switch of spray pistol (21)
(22), for opening or locking the Switch of spray pistol (21).
7. spray gun according to claim 6, it is characterised in that further include spray gun lock-on connection (23)；
The gun handle (2) is connected with the water inlet end of the pipette tips body (1) by the spray gun lock-on connection (23).
8. spray gun according to claim 4, it is characterised in that the holding part of the gun handle (2) is provided with Anti-slip cover.
9. spray gun according to claim 4, it is characterised in that the direct-injection axially bored line and the mist of the foam jet (11)
The atomization axially bored line for changing nozzle (12) is mutually perpendicular to.
10. a kind of extinguishing device, it is characterised in that including the spray gun as any one of claim 3-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012019.6A CN107961474A (en) | 2018-01-05 | 2018-01-05 | A kind of lance head, spray gun and extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012019.6A CN107961474A (en) | 2018-01-05 | 2018-01-05 | A kind of lance head, spray gun and extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107961474A true CN107961474A (en) | 2018-04-27 |
Family
ID=61993366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012019.6A Pending CN107961474A (en) | 2018-01-05 | 2018-01-05 | A kind of lance head, spray gun and extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107961474A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2604948A (en) * | 1949-09-15 | 1952-07-29 | Rockwood Sprinkler Co | Fire fighting apparatus |
| EP1039954A1 (en) * | 1997-12-19 | 2000-10-04 | Firexpress APS | A fire extinguishing device |
| WO2001066261A2 (en) * | 2000-03-09 | 2001-09-13 | Nordson Corporation | Modular fluid spray gun |
| JP2005137742A (en) * | 2003-11-10 | 2005-06-02 | Ashimori Ind Co Ltd | Water discharge nozzle for fire extinguishing |
| CN201453896U (en) * | 2009-07-02 | 2010-05-12 | 杭州海聚动力科技有限公司 | Manual quick-switching multifunctional fire-fighting spray gun |
| CN201768651U (en) * | 2010-08-26 | 2011-03-23 | 王瑛 | Unpowered suction type spray gun |
| CN201832742U (en) * | 2010-08-04 | 2011-05-18 | 苏州智泽电动工具有限公司 | Double-nozzle spray gun used for sprayer |
| WO2012046010A1 (en) * | 2010-10-08 | 2012-04-12 | Pdx Technologies Ag | Spray gun and portable mist-generating apparatus |
| CN102526917A (en) * | 2010-12-30 | 2012-07-04 | 上海靓消消防装备有限公司 | Multi-functional water mist spray gun |
| CN203235171U (en) * | 2013-05-02 | 2013-10-16 | 天津泰瑞救援装备有限公司 | Multi-spraying mode spraying gun |
| CN207412580U (en) * | 2018-01-05 | 2018-05-29 | 北京金同泰科技有限公司 | A kind of lance head, spray gun and extinguishing device |
-
2018
- 2018-01-05 CN CN201810012019.6A patent/CN107961474A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2604948A (en) * | 1949-09-15 | 1952-07-29 | Rockwood Sprinkler Co | Fire fighting apparatus |
| EP1039954A1 (en) * | 1997-12-19 | 2000-10-04 | Firexpress APS | A fire extinguishing device |
| WO2001066261A2 (en) * | 2000-03-09 | 2001-09-13 | Nordson Corporation | Modular fluid spray gun |
| JP2005137742A (en) * | 2003-11-10 | 2005-06-02 | Ashimori Ind Co Ltd | Water discharge nozzle for fire extinguishing |
| CN201453896U (en) * | 2009-07-02 | 2010-05-12 | 杭州海聚动力科技有限公司 | Manual quick-switching multifunctional fire-fighting spray gun |
| CN201832742U (en) * | 2010-08-04 | 2011-05-18 | 苏州智泽电动工具有限公司 | Double-nozzle spray gun used for sprayer |
| CN201768651U (en) * | 2010-08-26 | 2011-03-23 | 王瑛 | Unpowered suction type spray gun |
| WO2012046010A1 (en) * | 2010-10-08 | 2012-04-12 | Pdx Technologies Ag | Spray gun and portable mist-generating apparatus |
| CN102526917A (en) * | 2010-12-30 | 2012-07-04 | 上海靓消消防装备有限公司 | Multi-functional water mist spray gun |
| CN203235171U (en) * | 2013-05-02 | 2013-10-16 | 天津泰瑞救援装备有限公司 | Multi-spraying mode spraying gun |
| CN207412580U (en) * | 2018-01-05 | 2018-05-29 | 北京金同泰科技有限公司 | A kind of lance head, spray gun and extinguishing device |
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| Title |
|---|
| 郭烈锦: "《两相与多相流动力学》", 31 December 2002, 西安交通大学出版社 * |
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Application publication date: 20180427 |