CN200998546Y - Direct-through type assembled screw nozzle for atomization of liquid - Google Patents
Direct-through type assembled screw nozzle for atomization of liquid Download PDFInfo
- Publication number
- CN200998546Y CN200998546Y CNU2007201031248U CN200720103124U CN200998546Y CN 200998546 Y CN200998546 Y CN 200998546Y CN U2007201031248 U CNU2007201031248 U CN U2007201031248U CN 200720103124 U CN200720103124 U CN 200720103124U CN 200998546 Y CN200998546 Y CN 200998546Y
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- Prior art keywords
- threaded rod
- external screw
- screw rod
- nozzle body
- atomization
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- Expired - Fee Related
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Abstract
The utility model relates to a straight-through type combination threaded rod liquid atomizing sprayer, which comprises a nozzle main body and a spraying hole. The nozzle main body is designed into a hollow cylinder, an external threaded rod is glidingly arranged in the hollow cylinder of the nozzle main body, the external threaded rod is a hollow cylinder, an internal threaded rod is glidingly arranged in the hollow cylinder of the external threaded rod, the internal threaded rod is a cylinder, spiral grooves is arranged on the outer circumference of the external threaded rod and the internal threaded rod, the spiral groove of the external threaded rod and the inner wall of the nozzle main body form an external spiral flow passage, the spiral groove of the internal threaded rod and the inner wall of the hollow body of the external threaded rod form an internal spiral flow passage, an axial through hole, i.e., a spraying hole is arranged at the lower part of the nozzle main body, an external conical angle is arranged at the outer side of the spraying hole, and an internal conical angle the is arranged at the inner side of the spraying hole. The nozzle has the advantages that the volume is small, the weight is light, the structure is simple, the assembly is easy, the fire extinguishing efficiency is high, and the fire extinguishing agent is saved.
Description
Technical field
The utility model relates to a kind of fire-fighting fire extinguishing equipment, is specifically related to a kind of critical component through type combined threaded rod atomization of liquid shower nozzle of fire fighting extinguisher.
Background technology
The structure of existing thin water smoke production method and water mist generating device is various in style, in the thin water smoke production method of mechanical type, uses morely at present, and people generally acknowledge that effective a kind of method is: the method that produces thin water smoke by spiral water flow.And begun both at home and abroad the cyclone-type fine mist spray head applied, the generation of its spiral water flow mainly contains dual mode: a kind of is to install the nozzle core that has helical flow path additional in shower nozzle major flow control body, and this core body is connected with the nozzle body structure by screw thread.The shortcoming of this structure is the structure relative complex, and liquid repeatedly changes flow direction in sprayer body, increased internal flow loss and energy dissipation.Another kind of mode is the swirl flow nozzle of inside and outside cavity configuration, and its operation principle comes liquid to link to each other with exocoel, and spray orifice links to each other with inner chamber, is communicated with three～four special holes between the interior exocoel, and these several holes make fluid produce eddy flow when exocoel enters inner chamber.The advantage of this structure is that the process fluid flow resistance is less, and the effect that produces eddy flow is also better, but difficulty of processing is bigger, and the physical dimension of shower nozzle is also relatively large.
The utility model content
It is little, in light weight that technical problem to be solved in the utility model provides a kind of volume, simple in structure, processing, easy for installation, through type combined threaded rod eddy flow mesolow fire-fighting atomization of liquid shower nozzle.
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model, comprise nozzle body and spray orifice, nozzle body is designed to hollow circular cylinder, the sliding external screw rod that is equipped with in the nozzle body hollow circular cylinder, external screw rod is a hollow circular cylinder, the sliding inner screw that is equipped with in the hollow circular cylinder of external screw rod, inner screw is a cylinder, the periphery of interior external screw rod is provided with helicla flute, the helicla flute of external screw rod and nozzle body inwall form the external spiral runner, and the ducted body inwall of the helicla flute of inner screw and external screw rod forms the inside spin runner, and being provided with axially extending bore in the bottom of nozzle body is spray orifice, the outside of spray orifice is provided with outside cone angle, and the inboard is provided with interior cone angle.
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model, the spiral fluted quantity of described interior external screw rod periphery is respectively the 1-3 bar, and described many helicla flutes are many different spirals, and every spiral fluted number of turns is limited by lead angle and spiro rod length.Spiral fluted is shaped as rectangle, triangle or circular arc.Lead angle 8～24 degree of described screw spiral trough.
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model, described external screw rod (8) inner chamber bottom is provided with cone angle, cone angle scope 90～120 degree.Outside cone angle 90～120 degree in the described spray orifice outside, interior cone angle 90～120 degree of spray orifice inboard.According to actual needs, the shape of spray orifice can be designed as circle, also can be designed as ellipse, triangle, irregularly-shaped hole such as quincunx.
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model, the outside of described nozzle body is provided with external connection screw, and by the outer connecting thread of nozzle body, shower nozzle is connected with nozzle boss, forms single shower nozzle.According to the size of required protection area, can disperse to install a plurality of single shower nozzles, also two or more nozzle bodies can be integrated the formation combined sprinkler, to increase the protection area.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
The utility model adopts the mode of through type swirl injection, and, the single fluid extinguishing chemical through prewhirling is sprayed from spray orifice by the pre-spinning liquid stream of combination results multichannel, the stage construction of screw rod, be atomized into thin water smoke simultaneously, compare with technology in the past, present technique has following advantage:
1. owing to improved screw-rod structure, adopt direct current channel, the energy loss of extinguishing chemical in nozzle is little.
2. owing to adopt combined threaded rod, increase the fluid passage, reduced energy loss; And owing to adopt double-deck eddy flow, improved flow regime, increased the turbulent fluctuation energy, improved atomizing effect.
3. the nozzle volume is little, in light weight, and is simple in structure, is convenient to assembling.
4. the structure of nozzle size is to optimize through the flow field numerical analysis with reference to thousands of groups of experimental datas, in, (pressure just can produce the droplet of diameter Dv0.09 about 200 μ m 0.8～2.0MPa) in the low pressure range, so the fire-fighting efficiency height is saved extinguishing chemical.
5. at different fire extinguishing place, fire type, fire scale, can provide the shower nozzle of different series, different size.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Nozzle body 1, external connection screw 2, inner screw 3, interior cone angle 4, spray orifice 5, inside spin runner 6, external spiral runner 7, external screw rod 8, outside cone angle 9.
Fig. 2 is the structural representation of combined threaded rod of the present utility model.
Fig. 3 is the structural representation of combined sprinkler of the present utility model.
The specific embodiment
Embodiment 1:
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model comprises nozzle body 1 and spray orifice 5, and nozzle body 1 is designed to hollow circular cylinder, the sliding external screw rod 8 that is equipped with in the nozzle body hollow circular cylinder, external screw rod 8 is a hollow circular cylinder, and the inner chamber bottom is provided with cone angle, cone angle scope 90 degree.The sliding inner screw 3 that is equipped with in the hollow circular cylinder of external screw rod 8, inner screw 3 is a cylinder, the periphery of interior external screw rod is respectively equipped with the helicla flute that 1 sliver transvers section is a rectangle, the helicla flute of external screw rod 8 and nozzle body 1 ducted body inwall form external spiral runner 7, the ducted body inwall of the helicla flute of inner screw 3 and external screw rod 8 forms inside spin runner 6, being provided with axial manhole in the bottom of nozzle body 1 is spray orifice 5, the outside of spray orifice 5 is provided with outside cone angle 9, angle 90 degree, the inboard is provided with interior cone angle 4, angle 90 degree.Lead angle 8 degree of screw spiral trough.
The outside of described nozzle body 1 is provided with outer connecting thread 2, and by the outer connecting thread of nozzle body, nozzle body 1 is connected with nozzle boss, forms single shower nozzle.Shower nozzle is installed on the terminal internal thread connector of extinguishing chemical pressure transmission pipeline; can form a complete fine water mist fire-extinguishing system with extinguishing chemical conveyance conduit etc., extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Embodiment 2:
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model comprises nozzle body 1 and spray orifice 5, and nozzle body 1 is designed to hollow circular cylinder, the sliding external screw rod 8 that is equipped with in the nozzle body hollow circular cylinder, external screw rod 8 is a hollow circular cylinder, and the inner chamber bottom is provided with cone angle, cone angle scope 120 degree.The sliding inner screw 3 that is equipped with in the hollow circular cylinder of external screw rod 8, inner screw 3 is a cylinder, the periphery of inner screw is provided with the helicla flute that 1 sliver transvers section is a rectangle, it is leg-of-mutton helicla flute that the periphery of external screw rod is provided with 3 sliver transvers sections, the helicla flute of external screw rod 8 and nozzle body 1 ducted body inwall form external spiral runner 7, the ducted body inwall of the helicla flute of inner screw 3 and external screw rod 8 forms inside spin runner 6, being provided with axial ellipse hole in the bottom of nozzle body 1 is spray orifice 5, the outside of spray orifice 5 is provided with outside cone angle 9, angle 90 degree, the inboard is provided with interior cone angle 4, angle 90 degree.Lead angle 16 degree of screw spiral trough.
The outside of described nozzle body 1 is provided with outer connecting thread 2, and by the outer connecting thread 2 of nozzle body 1, nozzle body 1 is connected with nozzle boss, forms single shower nozzle.Shower nozzle is installed on the terminal internal thread connector of extinguishing chemical pressure transmission pipeline; can form a complete fine water mist fire-extinguishing system with extinguishing chemical conveyance conduit etc., extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Embodiment 3:
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model comprises nozzle body 1 and spray orifice 5, and nozzle body 1 is designed to hollow circular cylinder, the sliding external screw rod 8 that is equipped with in the nozzle body hollow circular cylinder, external screw rod 8 is a hollow circular cylinder, and the inner chamber bottom is provided with cone angle, cone angle scope 110 degree.The sliding inner screw 3 that is equipped with in the hollow circular cylinder of external screw rod 8, inner screw 3 is a cylinder, the periphery of inner screw 3 is provided with the helicla flute that 2 sliver transvers sections are circular arc, the periphery of external screw rod 8 is provided with the helicla flute that 1 sliver transvers section is a rectangle, the helicla flute of external screw rod 8 and nozzle body 1 ducted body inwall form external spiral runner 7, the ducted body inwall of the helicla flute of inner screw 3 and external screw rod 8 forms inside spin runner 6, being provided with axial triangle through hole in the bottom of nozzle body 1 is spray orifice 5, the outside of spray orifice 5 is provided with outside cone angle 9, angle 120 degree, the inboard is provided with interior cone angle 4, angle 120 degree.Lead angle 24 degree of screw spiral trough.
The outside of described nozzle body 1 is provided with outer connecting thread 2, and by the outer connecting thread 2 of nozzle body 1, nozzle body 1 is connected with nozzle boss, forms single shower nozzle.Shower nozzle is installed on the terminal internal thread connector of extinguishing chemical pressure transmission pipeline; can form a complete fine water mist fire-extinguishing system with extinguishing chemical conveyance conduit etc., extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Embodiment 4:
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model comprises nozzle body 1 and spray orifice 5, and nozzle body 1 is designed to hollow circular cylinder, the sliding external screw rod 8 that is equipped with in the nozzle body hollow circular cylinder, external screw rod 8 is a hollow circular cylinder, and the inner chamber bottom is provided with cone angle, cone angle scope 90 degree.The sliding inner screw 3 that is equipped with in the hollow circular cylinder of external screw rod 8, inner screw 3 is a cylinder, the periphery of interior external screw rod is respectively equipped with the helicla flute that 3 sliver transvers sections are rectangle, the helicla flute of external screw rod 8 and nozzle body 1 ducted body inwall form external spiral runner 7, the ducted body inwall of the helicla flute of inner screw 3 and external screw rod 8 forms inside spin runner 6, being provided with axial quincunx through hole in the bottom of nozzle body 1 is spray orifice 5, the outside of spray orifice 5 is provided with outside cone angle 9, angle 90 degree, the inboard is provided with interior cone angle 4, angle 120 degree.Lead angle 8 degree of screw spiral trough.
The outside of described nozzle body 1 is provided with outer connecting thread 2, and by the outer connecting thread 2 of nozzle body 1, nozzle body 1 is connected with nozzle boss, forms single shower nozzle.Shower nozzle is installed on the terminal internal thread connector of extinguishing chemical pressure transmission pipeline; can form a complete fine water mist fire-extinguishing system with extinguishing chemical conveyance conduit etc., extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Embodiment 5:
Through type combined threaded rod atomization of liquid shower nozzle of the present utility model comprises nozzle body 1 and spray orifice 5, and nozzle body 1 is designed to hollow circular cylinder, the sliding external screw rod 8 that is equipped with in the nozzle body hollow circular cylinder, external screw rod 8 is a hollow circular cylinder, and the inner chamber bottom is provided with cone angle, cone angle scope 120 degree.The sliding inner screw 3 that is equipped with in the hollow circular cylinder of external screw rod 8, inner screw 3 is a cylinder, the periphery of inner screw 3 is provided with the helicla flute that 3 sliver transvers sections are circular arc, the periphery of external screw rod 8 is provided with the helicla flute that 2 sliver transvers sections are rectangle, the helicla flute of external screw rod 8 and nozzle body 1 ducted body inwall form external spiral runner 7, the ducted body inwall of the helicla flute of inner screw 3 and external screw rod 8 forms inside spin runner 6, being provided with axial triangle through hole in the bottom of nozzle body 1 is spray orifice 5, the outside of spray orifice 5 is provided with outside cone angle 9, angle 120 degree, the inboard is provided with interior cone angle 4, angle 90 degree.Lead angle 24 degree of screw spiral trough.
The outside of described nozzle body 1 is provided with outer connecting thread 2, and by the outer connecting thread 2 of nozzle body 1, nozzle body 1 is connected with nozzle boss, forms single shower nozzle.Shower nozzle is installed on the terminal internal thread connector of extinguishing chemical pressure transmission pipeline; can form a complete fine water mist fire-extinguishing system with extinguishing chemical conveyance conduit etc., extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Embodiment 6:
The described through type combined threaded rod of embodiment 1-5 atomization of liquid shower nozzle according to the size of required flame failure protection area, can disperse to install a plurality of single shower nozzles, also two or more nozzle bodies 1 can be integrated the formation combined sprinkler, to increase the protection area.
As shown in Figure 3, with three nozzle bodies 1, be integrated in and form combined sprinkler in the metal derby, fine mist combination type spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Claims (9)
1, through type combined threaded rod atomization of liquid shower nozzle, comprise nozzle body (1) and spray orifice (5), it is characterized in that, nozzle body (1) is designed to hollow circular cylinder, the sliding external screw rod (8) that is equipped with in nozzle body (1) hollow circular cylinder, external screw rod (8) is a hollow circular cylinder, sliding dress inner screw (3) in the hollow circular cylinder of external screw rod (8), inner screw (3) is a cylinder, the periphery of interior external screw rod is provided with helicla flute, the helicla flute of external screw rod (8) and nozzle body (1) inwall form external spiral runner (7), the ducted body inwall of the helicla flute of inner screw (3) and external screw rod (8) forms inside spin runner (6), being provided with axially extending bore in the bottom of nozzle body is spray orifice (5), and the outside of spray orifice is provided with outside cone angle (9), and the inboard is provided with interior cone angle (4).
2, through type combined threaded rod atomization of liquid shower nozzle according to claim 1 is characterized in that, the spiral fluted quantity of described interior external screw rod periphery is respectively the 1-3 bar.
3, through type combined threaded rod atomization of liquid shower nozzle according to claim 1 is characterized in that described spiral fluted is shaped as rectangle, triangle or circular arc.
4, through type combined threaded rod atomization of liquid shower nozzle according to claim 1 is characterized in that, spiral fluted lead angle 8～24 degree of described interior external screw rod.
5, through type combined threaded rod atomization of liquid shower nozzle according to claim 1 is characterized in that, external screw rod (8) inner chamber bottom is provided with cone angle, cone angle scope 90～120 degree.
6, through type combined threaded rod atomization of liquid shower nozzle according to claim 1 is characterized in that, outside cone angle (9) 90～120 degree in the described spray orifice outside, interior cone angle (4) 90～120 degree of spray orifice inboard.
7, through type combined threaded rod atomization of liquid shower nozzle according to claim 1 is characterized in that described spray orifice (5) is shaped as circle, ellipse, triangle, quincunx.
8, through type combined threaded rod atomization of liquid shower nozzle according to claim 1, it is characterized in that the outside of described nozzle body is provided with outer connecting thread (2), by the outer connecting thread (2) of nozzle body (1), nozzle body (1) is connected with nozzle boss, forms single shower nozzle.
9, through type combined threaded rod atomization of liquid shower nozzle according to claim 8 is characterized in that, two and above nozzle body (1) integrate the formation combined sprinkler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201031248U CN200998546Y (en) | 2007-01-05 | 2007-01-05 | Direct-through type assembled screw nozzle for atomization of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201031248U CN200998546Y (en) | 2007-01-05 | 2007-01-05 | Direct-through type assembled screw nozzle for atomization of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200998546Y true CN200998546Y (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201031248U Expired - Fee Related CN200998546Y (en) | 2007-01-05 | 2007-01-05 | Direct-through type assembled screw nozzle for atomization of liquid |
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| CN (1) | CN200998546Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294092A (en) * | 2010-06-28 | 2011-12-28 | 陕西兰德森茂消防科技有限公司 | Disturbance component and fire extinguishing apparatus |
| CN104014096A (en) * | 2014-06-20 | 2014-09-03 | 武汉科技大学 | Direct-through double-helix convergent type water pressure atomizing spray nozzle |
| CN105251156A (en) * | 2015-11-12 | 2016-01-20 | 四川安产投资有限公司 | Fire extinguishing system and public transport means formed by fire extinguishing system |
| CN105728233A (en) * | 2016-04-01 | 2016-07-06 | 嘉善星窑新型建材有限公司 | Novel glazed tile slurry nozzle |
| CN105728209A (en) * | 2016-04-01 | 2016-07-06 | 嘉善星窑新型建材有限公司 | Improved glazed tile slurry nozzle |
| CN110404219A (en) * | 2019-07-16 | 2019-11-05 | 江苏科技大学 | Tube auger washing-disinfecting spray head based on increasing material manufacturing technique |
-
2007
- 2007-01-05 CN CNU2007201031248U patent/CN200998546Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294092A (en) * | 2010-06-28 | 2011-12-28 | 陕西兰德森茂消防科技有限公司 | Disturbance component and fire extinguishing apparatus |
| CN102294092B (en) * | 2010-06-28 | 2016-05-18 | 陕西兰德森茂消防科技有限公司 | Disturbance component and extinguishing device |
| CN104014096A (en) * | 2014-06-20 | 2014-09-03 | 武汉科技大学 | Direct-through double-helix convergent type water pressure atomizing spray nozzle |
| CN104014096B (en) * | 2014-06-20 | 2016-05-25 | 武汉科技大学 | A kind of straight-through double helix convergence type hydraulic atomizing nozzle |
| CN105251156A (en) * | 2015-11-12 | 2016-01-20 | 四川安产投资有限公司 | Fire extinguishing system and public transport means formed by fire extinguishing system |
| CN105728233A (en) * | 2016-04-01 | 2016-07-06 | 嘉善星窑新型建材有限公司 | Novel glazed tile slurry nozzle |
| CN105728209A (en) * | 2016-04-01 | 2016-07-06 | 嘉善星窑新型建材有限公司 | Improved glazed tile slurry nozzle |
| CN110404219A (en) * | 2019-07-16 | 2019-11-05 | 江苏科技大学 | Tube auger washing-disinfecting spray head based on increasing material manufacturing technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20100205 |