CN106581910A - Water spraying fire fighting spray gun - Google Patents
Water spraying fire fighting spray gun Download PDFInfo
- Publication number
- CN106581910A CN106581910A CN201610967167.4A CN201610967167A CN106581910A CN 106581910 A CN106581910 A CN 106581910A CN 201610967167 A CN201610967167 A CN 201610967167A CN 106581910 A CN106581910 A CN 106581910A
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- China
- Prior art keywords
- valve element
- connecting hole
- channel
- passage
- nozzle
- 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 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 26
- 238000005507 spraying Methods 0.000 title abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 10
- 241000218158 Clematis Species 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 4
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a water spraying fire fighting spray gun which comprises a gun handle and a spray gun body. The left end of a first channel is fixedly connected with an input pipe, a first connecting hole is vertically formed in a valve element, and a second connecting hole is vertically formed in the valve element. The right end of a second channel is connected with an inner nozzle, a third connecting hole is vertically formed in the spray gun body, and each middle nozzle is connected with a third channel. The left end of each third channel is connected with a fourth channel, the left end of each fourth channel is connected with a fifth channel, and each outer nozzle is connected with a sixth channel. The left end of each sixth channel is connected with a seventh channel, the left end of each seventh channel is connected with an eighth channel, a circle of main groove is formed in the inner wall of a valve bush, and the spray gun body is sleeved with the right end of the valve bush. The water spraying fire fighting spray gun has the beneficial effect of being good in water spraying fire fighting effect.
Description
Technical field
The present invention relates to fire-fighting fire extinguishing field, a kind of specifically sprinkling fire spray gun.
Background technology
Fire-fighting prevents and solves the meaning of fire, and in fire-fighting domain, spray gun is the important component part of fire extinguishing system,
Which is mainly made up of spraygun body and the nozzle in spraygun body, and the water in spraygun body is sprayed from nozzle, but, pin
For existing spray gun, fire fighter can not be by controlling being turned on and off adjusting spray field of different nozzles
The regulation of size, so as to cause the defect of extinguishing effect difference, it is therefore desirable to be improved.
The content of the invention
The invention aims to solve the defect that spray gun spray field cannot be adjusted in prior art, there is provided a kind of
Sprinkling fire spray gun is solving the above problems.
To achieve these goals, technical scheme is as follows：The invention discloses a kind of sprinkling fire spray gun, bag
Include the small of the stock and spraygun body, the right-hand member of the described small of the stock is horizontally mounted a valve element, the right-hand member and spraygun body of described valve element
Left end be connected, described to rob one input pipe of interior setting, in described valve element, a horizontally disposed first passage, described
The left end of first passage is connected with input pipe, and the right-hand member of described first passage is sealed, and is vertically provided with described valve element
First connecting hole, one end of the first described connecting hole are connected with first passage, the other end and valve of described the first connecting hole
The space outerpace connection of core, is vertically provided with the second connecting hole on described valve element, one end and first of described the second connecting hole
Channel connection, the described other end of the second connecting hole are connected with the space outerpace of valve element, and described the second connecting hole is first
The right side of connecting hole, the center of the right-hand member of described spraygun body are horizontally disposed with an inner nozzle, described spraygun body
Right side on circumferentially uniform pitch multiple middle nozzles are set, described inner nozzle is enclosed in middle nozzle, described
On the right side of spraygun body, circumferentially uniform pitch arranges multiple outer nozzles, and described middle nozzle is enclosed in outer nozzle
It is interior, described outer nozzle and middle nozzle it is outward-dipping centered on inner nozzle, the angle of inclination of described outer nozzle is more than interior
The angle of inclination of nozzle, in described spraygun body, level is provided with a second channel, and the left end of described second channel is close
Seal, the right-hand member of described second channel is connected with inner nozzle, in described spraygun body, be vertically provided with the 3rd connecting hole, institute
The one end for the 3rd connecting hole stated is connected with second channel, and the other end of the 3rd described connecting hole is outside empty with spraygun body
Between connect, in each, nozzle is all connected with a third channel, and described third channel is horizontally set on the inside of spraygun body,
The left end of each third channel is all connected with a fourth lane, and described fourth lane is horizontally set on valve core inside, each
The left end of individual fourth lane is all connected with a Five-channel, and described Five-channel is vertically arranged in valve element, and the described the 5th
The upper end of passage is connected with the space outerpace of valve element, described Five-channel in the left side of the first connecting hole, each outer nozzle
A clematis stem road is all connected with, described clematis stem road is horizontally set on the inside of spraygun body, the left side in each clematis stem road
End is all connected with the 7th passage, and the 7th described passage is horizontally set on valve core inside, and the left end of each the 7th passage is equal
One the 8th passage of connection, the 8th described passage is vertically arranged in valve element, the upper end of described the 8th passage and valve element
Space outerpace is connected, and between the first connecting hole and the second connecting hole, described valve core upper sleeve has one to the 8th described passage
Valve pocket, described valve pocket relative to valve element can left and right horizontal Frictional Slipping, be provided with the main groove of a circle on the inwall of described valve pocket,
The width of described main groove is more than the distance between the second connecting hole and the 3rd connecting hole, and the right-hand member of described valve pocket is enclosed within spray
It is on gun main body, from left with the first stopper slot, the second stopper slot, the 3rd stopper slot is provided with described spraygun body, described
The mode being threaded connection on valve pocket installs a gag lever post, and described gag lever post activity is inserted in the first stopper slot.
Preferably, the quantity of the first described connecting hole is multiple, and along the circumferentially distributed of valve element.
Preferably, the quantity of the second described connecting hole is multiple, and along the circumferentially distributed of valve element.
Preferably, the quantity of the 3rd described connecting hole is multiple, and along the circumferentially distributed of valve element.
Preferably, multiple auxiliary grooves are from left to right provided with described valve element, in each auxiliary groove, one is respectively provided with
Sealing ring, described sealing ring are contacted with valve pocket.
Preferably, a vertical fixed limiting plate on the left side of described valve element, the left side of described valve pocket with
The right flank of limiting plate contacts.
The present invention has advantages below compared to existing technology：
1st, it is easy to use；
2nd, spray field can be adjusted, beneficial to the raising of extinguishing effect.
Description of the drawings
Fig. 1 is a kind of cross section structure diagram of sprinkling fire spray gun of the invention；
Fig. 2 is a kind of partial enlargement structural representation of the sprinkling fire spray gun of the invention when spraying water from inner nozzle；
Fig. 3 is a kind of partial enlargement structural representation of the sprinkling fire spray gun of the invention in therefrom nozzle spray；
Fig. 4 is a kind of partial enlargement structural representation of the sprinkling fire spray gun of the invention when spraying water from outer nozzle.
Wherein：The 1- smalls of the stock；2- spraygun bodies；3- valve elements；4- input pipes；5- first passages；The first connecting holes of 6-；7- second
Connecting hole；8- inner nozzles；Nozzle in 9-；10- outer nozzles；11- second channels；The 3rd connecting holes of 12-；13- third channels；14-
Fourth lane；15- Five-channels；16- clematis stem road；17- limiting plates；The 7th passages of 18-；The 8th passages of 19-；20- valve pockets；
The main grooves of 21-；The first stopper slots of 22-；The second stopper slots of 23-；The 3rd stopper slots of 24-；25- gag lever posts；The auxiliary grooves of 26-；27- is close
Seal.
Specific embodiment
To make architectural feature and the effect reached to the present invention have a better understanding and awareness, to preferably
Embodiment and accompanying drawing coordinate detailed description, are described as follows：
As Figure 1-4, the invention discloses a kind of sprinkling fire spray gun, including the small of the stock 1 and spraygun body 2, the described small of the stock 1
Right-hand member be horizontally mounted a valve element 3, the described right-hand member of valve element 3 is connected with the left end of spraygun body 2, described to rob in 1
One input pipe 4 is set, a first passage 5 in described valve element 3, is horizontally disposed with, the left end of described first passage 5 with it is defeated
Enter pipe 4 to be connected, the right-hand member of described first passage 5 is sealed, and the first connecting hole 6 is vertically provided with described valve element 3, described
One end of the first connecting hole 6 connect with first passage 5, the other end of described the first connecting hole 6 and the space outerpace of valve element 3
Connection, is vertically provided with the second connecting hole 7 on described valve element 3, one end of the second described connecting hole 7 is connected with first passage 5,
The other end of the second described connecting hole 7 is connected with the space outerpace of valve element 3, and the second described connecting hole 7 is in the first connecting hole 6
Right side, the center of the right-hand member of described spraygun body 2 is horizontally disposed with an inner nozzle 8, the right side of described spraygun body 2
On end face, circumferentially uniform pitch arranges multiple middle nozzles 9, and described inner nozzle 8 is enclosed in middle nozzle 9, described spray
On the right side of gun main body 2, circumferentially uniform pitch arranges multiple outer nozzles 10, and described middle nozzle 9 is enclosed in outer nozzle
In 10, described outer nozzle 10 and middle nozzle 9 are outward-dipping centered on inner nozzle 8, the inclination angle of described outer nozzle 10
Angle of inclination of the degree more than inner nozzle 9, in described spraygun body 2, level is provided with a second channel 11, and described second is logical
The left end in road 11 is sealed, and the right-hand member of described second channel 11 is connected with inner nozzle 9, erects in described spraygun body 2
The 3rd connecting hole 12 is headed straight for, one end of the 3rd described connecting hole 12 is connected with second channel 11, the 3rd described connecting hole
12 other end is connected with the space outerpace of spraygun body 2, and in each, nozzle 9 is all connected with a third channel 13, described
Third channel 13 is horizontally set on the inside of spraygun body 2, and the left end of each third channel 13 is all connected with a fourth lane
14, described fourth lane 14 is horizontally set on inside valve element 3, and the left end of each fourth lane 14 is all connected with one the 5th and leads to
Road 15, described Five-channel 15 are vertically arranged in valve element 3, and the upper end of described Five-channel 15 is outside empty with valve element 3
Between connect, in the left side of the first connecting hole 6, each outer nozzle 10 is all connected with a clematis stem road to described Five-channel 15
16, described clematis stem road 16 is horizontally set on the inside of spraygun body 2, and the left end in each clematis stem road 16 is all connected with one
7th passage 18, the 7th described passage 18 are horizontally set on inside valve element 3, and the left end of each the 7th passage 18 is all connected with one
Individual 8th passage 19, the 8th described passage 19 are vertically arranged in valve element 3, upper end and the valve element 3 of described the 8th passage 19
Space outerpace connection, the 8th described passage 19 between the first connecting hole 6 and the second connecting hole 7, on described valve element 3 cover
Have a valve pocket 20, described valve pocket 20 relative to valve element 3 can left and right horizontal Frictional Slipping, open on the inwall of described valve pocket 20
The width for having the main groove 21 of a circle, described main groove 21 is more than the distance between the second connecting hole 7 and the 3rd connecting hole 12, institute
The right-hand member of the valve pocket 20 stated is enclosed within spraygun body 3, in described spraygun body 3 from it is left be provided with the first stopper slot 22, the
Two stopper slots 23, the 3rd stopper slot 24, the mode being threaded connection on described valve pocket 20 install a gag lever post 25, described
25 activity of gag lever post be inserted in the first stopper slot 22.
Preferably, the quantity of the first described connecting hole 6 is multiple, and along the circumferentially distributed of valve element 3.
Preferably, the quantity of the second described connecting hole 7 is multiple, and along the circumferentially distributed of valve element 3.
Preferably, the quantity of the 3rd described connecting hole 23 is multiple, and along the circumferentially distributed of valve element 3.
Preferably, multiple auxiliary grooves 26 are from left to right provided with described valve element 3, it is respectively provided with each auxiliary groove 26
One sealing ring 27, described sealing ring 27 are contacted with valve pocket 20.
Preferably, a vertical fixed limiting plate 17 on the left side of described valve element 3, the left end of described valve pocket 20
Face is contacted with the right flank of limiting plate 17.
The present invention is implemented：As a example by the scope of the water to spray gradually increases, rotary stopper bar 25, so that spacing
Bar 25 is moved to the direction away from the first stopper slot 22, and then valve pocket 20 is moved to right along valve element 3, and valve pocket 20 then drives gag lever post
25 move to right, until when gag lever post 25 is moved at the 3rd stopper slot 24, rotary stopper bar 25 is so that gag lever post 25 enters into the 3rd
In stopper slot 24, now gag lever post 25 then plays spacing effect, to prevent valve pocket 20 to be moved, the now master on valve pocket 20
Second connecting hole 7 and the 3rd connecting hole 12 are then covered by groove 21, now the inwall of valve pocket 20 block simultaneously the first connecting hole 6,
Five-channel 15 and the 8th passage 19, after such water is entered in first passage 5 from input pipe 4, the water meeting in first passage 5
It is flowed in main groove 21 from the second connecting hole 7, the water in main groove 21 can be entered in the 3rd connecting hole 12, the 3rd connecting hole
Water in 12 then enters into second channel 11, and the water in second channel 11 is then directly sprayed from interior shower nozzle 8, it is desirable to control water therefrom
When shower nozzle 9 sprays, according to the method described above, gag lever post 17 is moved to the direction away from the 3rd stopper slot 24, then by valve pocket 20
It is moved to the left, until when gag lever post 25 is moved to the first stopper slot 22, rotary stopper bar 25 is so that gag lever post 25 is inserted into first
Till in stopper slot 22, now main groove 21 covers Five-channel 15 and the first connecting hole 6, now the second connecting hole 7 and the 3rd
Connecting hole 12 and the 8th passage 19 are blocked by valve pocket 20, and water is entered in first passage 5 from input pipe 4, in first passage 5
The first connecting holes of water Jing 6 enter in main groove 21, then the water in main groove 21 is entered in Five-channel 15, the 5th lead to
Water in road 15 is entered in fourth lane 14, and the water in fourth lane 14 is entered in third channel 13, finally therefrom nozzle 9
Spray, need from outer nozzle 10 sprays when, according to above-mentioned principle, need to move valve pocket 20, so that gag lever post 25 is moved to second
At stopper slot 23, then gag lever post 25 is inserted in the second stopper slot 23, now main groove 21 covers the 8th passage 19 and
Two connecting holes 7, now Five-channel 15, the first connecting hole 6 and the 3rd connecting hole 12 blocked by 20 inwall of valve pocket, now water
Enter in first passage 5 from input pipe 4, then water further enters into main groove 21 from 5 the second connecting holes of Jing 7 of first passage
Interior, the water in main groove 21 is entered in the 7th passage 18 from the 8th passage 19, then the water Jing clematis stem in the 7th passage 18
Road 16 is sprayed from outer nozzle 10, due to the outer spray that outer nozzle 10 and middle nozzle 9 are outward-dipping centered on inner nozzle 8, described
The angle of inclination of mouth 10 more than inner nozzle 9 angle of inclination, so by water from inner nozzle 8, middle nozzle 9 and outer nozzle 10 according to
During secondary ejection, the ejection scope of water increases successively, and such fire fighter can be entered with the situation of fire, the scope to spraying water
Row is effectively adjusted, therefore extinguishing effect is relatively good, additionally by limiting plate 17 is arranged, can play the work spacing to valve pocket 20
With, and sealing ring 27 plays a part of sealing, is less prone to the situation of leak, effect is relatively good.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
The simply present invention of the personnel it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention the present invention also have various changes and modifications, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appending claims and its
Equivalent is defined.
Claims (6)
1. a kind of sprinkling fire spray gun, including the small of the stock（1）And spraygun body（2）, the described small of the stock（1）Right-hand member be horizontally mounted one
Individual valve element（3）, described valve element（3）Right-hand member and spraygun body（2）Left end be connected, described robs handle（1）It is interior to arrange one
Input pipe（4）, it is characterised in that：Described valve element（3）It is interior to be horizontally disposed with a first passage（5）, described first passage（5）
Left end and input pipe（4）It is connected, described first passage（5）Right-hand member be sealed, described valve element（3）On be vertically provided with
First connecting hole（6）, described the first connecting hole（6）One end and first passage（5）Connection, the first described connecting hole（6）
The other end and valve element（3）Space outerpace connection, described valve element（3）On be vertically provided with the second connecting hole（7）, described
Two connecting holes（7）One end and first passage（5）Connection, the second described connecting hole（7）The other end and valve element（3）Outside
Space connects, the second described connecting hole（7）In the first connecting hole（6）Right side, described spraygun body（2）Right-hand member in
Heart position is horizontally disposed with an inner nozzle（8）, described spraygun body（2）Right side on circumferentially uniform pitch arrange it is many
Individual middle nozzle（9）, described inner nozzle（8）It is enclosed in middle nozzle（9）Interior, described spraygun body（2）Right side on edge
Circumferential uniform pitch and multiple outer nozzles are set（10）, described middle nozzle（9）It is enclosed in outer nozzle（10）Interior, described is outer
Nozzle（10）With middle nozzle（9）With inner nozzle（8）Centered on outward-dipping, described outer nozzle（10）Angle of inclination be more than
Inner nozzle（9）Angle of inclination, described spraygun body（2）Interior level is provided with a second channel（11）, described second leads to
Road（11）Left end be sealed, described second channel（11）Right-hand member and inner nozzle（9）It is connected, described spraygun body
（2）On be vertically provided with the 3rd connecting hole（12）, described the 3rd connecting hole（12）One end and second channel（11）Connection, it is described
The 3rd connecting hole（12）The other end and spraygun body（2）Space outerpace connection, nozzle in each（9）It is all connected with one
Third channel（13）, described third channel（13）It is horizontally set on spraygun body（2）Inside, each third channel（13）
Left end be all connected with a fourth lane（14）, described fourth lane（14）It is horizontally set on valve element（3）Inside, each
Four-way（14）Left end be all connected with a Five-channel（15）, described Five-channel（15）It is vertically arranged in valve element（3）It is interior,
Described Five-channel（15）Upper end and valve element（3）Space outerpace connection, described Five-channel（15）In the first connection
Hole（6）Left side, each outer nozzle（10）It is all connected with a clematis stem road（16）, described clematis stem road（16）It is horizontally disposed
In spraygun body（2）Inside, each clematis stem road（16）Left end be all connected with the 7th passage（18）, the described 7th
Passage（18）It is horizontally set on valve element（3）Inside, each the 7th passage（18 left end is all connected with the 8th passage（19）,
The 8th described passage（19）It is vertically arranged in valve element（3）The 8th interior, described passage（19）Upper end and valve element（3）Outside
Space connects, the 8th described passage（19）In the first connecting hole（6）With the second connecting hole（7）Between, described valve element（3）On
It is cased with a valve pocket（20）, described valve pocket（20）Relative to valve element（3）Can left and right horizontal Frictional Slipping, described valve pocket（20）
Inwall on be provided with the main groove of a circle（21）, described main groove（21）Width be more than the second connecting hole（7）With the 3rd connection
Hole（12）The distance between, described valve pocket（20）Right-hand member be enclosed within spraygun body（3）On, described spraygun body（3）On from
Left carrying is provided with the first stopper slot（22）, the second stopper slot（23）, the 3rd stopper slot（24）, described valve pocket（20）It is upper to pass through spiral shell
The mode of stricture of vagina connection installs a gag lever post（25）, described gag lever post（25）Activity is inserted into the first stopper slot（22）It is interior.
2. a kind of sprinkling fire spray gun according to claim 1, it is characterised in that：The first described connecting hole（6）Number
Measure for multiple, and along valve element（3）It is circumferentially distributed.
3. a kind of sprinkling fire spray gun according to claim 1 and 2, it is characterised in that：The second described connecting hole（7）'s
Quantity for multiple, and along valve element（3）It is circumferentially distributed.
4. a kind of sprinkling fire spray gun according to claim 1 and 2, it is characterised in that：The 3rd described connecting hole（23）
Quantity for multiple, and along valve element（3）It is circumferentially distributed.
5. a kind of sprinkling fire spray gun according to claim 1, it is characterised in that：Described valve element（3）On from left to right
It is provided with multiple auxiliary grooves（26）, each auxiliary groove（26）A sealing ring is respectively provided with inside（27）, described sealing ring（27）With
Valve pocket（20）Contact.
6. a kind of sprinkling fire spray gun according to claim 1, it is characterised in that：Described valve element（3）Left side on
A vertical fixed limiting plate（17）, described valve pocket（20）Left side and limiting plate（17）Right flank contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967167.4A CN106581910A (en) | 2016-11-05 | 2016-11-05 | Water spraying fire fighting spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967167.4A CN106581910A (en) | 2016-11-05 | 2016-11-05 | Water spraying fire fighting spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106581910A true CN106581910A (en) | 2017-04-26 |
Family
ID=58590685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610967167.4A Pending CN106581910A (en) | 2016-11-05 | 2016-11-05 | Water spraying fire fighting spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106581910A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2633346Y (en) * | 2003-07-03 | 2004-08-18 | 王斌 | Fire fighting water jet gun |
| US6860187B2 (en) * | 1999-04-07 | 2005-03-01 | Metal Storm Limited | Projectile launching apparatus and methods for fire fighting |
| SG118178A1 (en) * | 2003-03-12 | 2006-01-27 | Aromatrix Pte Ltd | Mist fire fighting system |
| CN1976758A (en) * | 2004-06-30 | 2007-06-06 | 伊利诺斯器械工程公司 | Fluid atomizing system and method |
| CN201026359Y (en) * | 2007-03-27 | 2008-02-27 | 北京仟僖科技有限公司 | High-pressure long and short range switch spray gun and spray head thereof |
| CN102574298A (en) * | 2009-07-14 | 2012-07-11 | 伊利诺斯工具制品有限公司 | Internal mixing spray gun |
-
2016
- 2016-11-05 CN CN201610967167.4A patent/CN106581910A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6860187B2 (en) * | 1999-04-07 | 2005-03-01 | Metal Storm Limited | Projectile launching apparatus and methods for fire fighting |
| SG118178A1 (en) * | 2003-03-12 | 2006-01-27 | Aromatrix Pte Ltd | Mist fire fighting system |
| CN2633346Y (en) * | 2003-07-03 | 2004-08-18 | 王斌 | Fire fighting water jet gun |
| CN1976758A (en) * | 2004-06-30 | 2007-06-06 | 伊利诺斯器械工程公司 | Fluid atomizing system and method |
| CN201026359Y (en) * | 2007-03-27 | 2008-02-27 | 北京仟僖科技有限公司 | High-pressure long and short range switch spray gun and spray head thereof |
| CN102574298A (en) * | 2009-07-14 | 2012-07-11 | 伊利诺斯工具制品有限公司 | Internal mixing spray gun |
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Application publication date: 20170426 |