CN202844438U - Water mist spray nozzle - Google Patents
Water mist spray nozzle Download PDFInfo
- Publication number
- CN202844438U CN202844438U CN 201220386010 CN201220386010U CN202844438U CN 202844438 U CN202844438 U CN 202844438U CN 201220386010 CN201220386010 CN 201220386010 CN 201220386010 U CN201220386010 U CN 201220386010U CN 202844438 U CN202844438 U CN 202844438U
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- CN
- China
- Prior art keywords
- nozzle
- mist spray
- spool
- fine mist
- spray head
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- 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.)
- Expired - Lifetime
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
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Abstract
The utility model discloses a water mist spray nozzle, which belongs to the technical field of fire fighting design, and solves the problem that the existing water mist spray nozzle commonly sprays scattered water mist. The water mist spray nozzle disclosed by the utility model comprises a spray nozzle body which is internally provided with a fluid channel through which fluid flows into the spray nozzle body, and is further provided with mounting holes which are communicated with the fluid channel and internally provided with nozzles; each nozzle comprises a nozzle body which is provided with a containing part and a nozzle hole for spraying water mist to the outside; each containing part is internally provided with a diversion core; an inclined groove is formed in the outer side wall of each diversion core; and each nozzle hole is communicated with the fluid channel through each inclined groove. The water mist spray nozzle disclosed by the embodiment of the utility model is mainly applied to various fire fighting apparatuses, and is particularly applied to fire fighting apparatuses adopting high-pressure water mist to put out a fire.
Description
Technical field
The utility model relates to the fire prevention field, relates in particular to spray a kind of fine mist spray head of using in the flowing material equipment in the fire prevention.
Background technology
Need often to use fine mist spray head in fire-fighting system, spraying water with high pressure can produce water particulate, namely water droplet by fine mist spray head.Because the water droplet diameter is very little, the water of relatively same volume, its surface area increases severely, thereby has strengthened the usefulness of heat exchange, has played extraordinary cooling-down effect; In addition, owing to be vaporized rapidly behind the water droplet absorbing heat, so that volume sharply expands, volumetric expansion reaches more than 1700 times usually, can reduce airborne oxygen concentration, has suppressed the speed of aflame oxidation reaction; In addition, thin water smoke has the usefulness of very superior blocking-up radiant heat transfer.Because the purpose that thin water smoke is issued to the control fire, suppresses fire and stamp out a fire in cooling, obstruct oxidation reaction, isolated thermal-radiating triple role, fine water mist fire-extinguishing system has double action and the advantage of water spray and extinction using gas, is a technology that is worthy to be popularized.
Existing fine mist spray head generally comprises sprayer body, have on the sprayer body and be communicated to the passage that sprays water with high pressure, and offer a plurality of and nozzle bore channel connection at sprayer body, and nozzle is set in nozzle bore, also in passage, be provided with in addition spool, block being communicated with between passage and the nozzle bore by spool, only after spool is pushed so that passage is communicated with again with nozzle bore, begin this moment by nozzle ejection heavy pressure fine spray.
Realizing and using in the process of above-mentioned fine mist spray head, the inventor finds that there are the following problems at least in the prior art: although can spray thin water smoke in the existing fine mist spray head from nozzle, reach the effect of fire-fighting fire extinguishing, but the thin water smoke of ejection is generally the thin water smoke of dispersion shape at present, be difficult to further reduce the water droplet diameter, cause the fire extinguishing effect to be subject to certain restrictions.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art and a kind of fine mist spray head is provided, and can further reduce the water droplet diameter, improves better the fire extinguishing effect.
For achieving the above object, the utility model adopts following technical scheme:
A kind of fine mist spray head comprises head body, is provided with the fluid passage that enters for fluid in the head body, also be provided with the installing hole that is communicated with the fluid passage on the head body, be provided with nozzle in the installing hole, nozzle comprises nozzle body, and nozzle body is provided with holding part and outwards sprays the nozzle bore of thin water smoke; Be provided with the water conservancy diversion fuse in the holding part, the lateral wall of water conservancy diversion fuse is provided with oblique groove, and nozzle bore is communicated with the fluid passage by oblique groove.
Water conservancy diversion fuse middle part is provided with through hole, and through hole is concentric with nozzle bore, and nozzle bore also is communicated with the fluid passage by through hole.
Oblique groove is for being opened in a spiral manner the helical groove on the water conservancy diversion fuse lateral wall.
Also be provided with screen pack in the holding part.
Screen pack and water conservancy diversion fuse are installed in the holding part by jump ring.
Head body comprises nozzle boss and joint, and nozzle boss is fixedly connected with structure.
Nozzle boss is provided with installing hole, and joint is provided with the fluid passage, is provided with spool in the nozzle boss, is provided with spring between spool and the nozzle boss, and spool is blocked the fluid passage on the joint under the elastic force effect of spring.
The head of nozzle boss is provided with the sliding eye that passes for spool, and the front end of nozzle boss head is provided with support arm, is supported with glass envelope between spool and the support arm, and glass envelope withstands spool makes it block fluid passage on the joint.
Support arm is provided with screwed hole, is provided with adjustment screw in the screwed hole, and adjustment screw is provided with pad, and glass envelope is supported on the adjustment screw by pad.
Spool is provided with the screens bulge loop, and screens bulge loop place is provided with sealing ring; After glass envelope was cracked, spool slid into the head phase screens of screens bulge loop and nozzle boss along sliding eye, and sealing ring seals up sliding eye.
The fine mist spray head that the utility model provides, because the water conservancy diversion fuse in the nozzle outside sidewall is provided with oblique groove, so that high-pressure fluid can flow to nozzle bore along oblique groove, thereby so that the thin water smoke that sprays in the nozzle bore has the vortex effect, so that thin water smoke is not only the thin water smoke of dispersion shape, Vorticose thin water smoke can further reduce the water droplet diameter, the fire extinguishing effect of the thin water smoke of Effective Raise.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of head body among the utility model embodiment;
Fig. 2 is the structural representation of another kind of head body among the utility model embodiment;
Fig. 3 is nozzle arrangements schematic diagram among the utility model embodiment;
Fig. 4 is water conservancy diversion fuse end view among the utility model embodiment;
Fig. 5 is water conservancy diversion fuse side schematic view among the utility model embodiment;
Fig. 6 is the fine mist spray head structural representation that head body is assembled among Fig. 1;
Fig. 7 is the fine mist spray head structural representation that head body is assembled among Fig. 2;
Fig. 8 is that the fine mist spray head spool is in the joint schematic diagram of opening the shape body among Fig. 7.
Reference numeral:
10 head body, 20 nozzles, 11 fluid passages
12 installing holes, 13 nozzle bosses, 14 joints
15 spools, 16 springs, 17 sliding eyes
18 support arms, 19 glass envelopes, 151 screens bulge loops
181 screwed holes, 182 adjustment screw, 183 pads
21 nozzle bodies, 22 holding parts, 23 nozzle bores
24 water conservancy diversion fuses, 25 oblique grooves, 26 through holes
27 screen packs, 28 jump rings
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of fine mist spray head, this fine mist spray head comprises head body, expressed the detailed construction of two kinds of head body among Fig. 1 and Fig. 2, be provided with the fluid passage 11 that enters for fluid in Fig. 1 and Fig. 2 head body 10, and also be provided with the installing hole 12 that is communicated with fluid passage 11 on the head body 10, at installing hole 12 interior installation nozzles 20.The joint of concrete nozzle 20 as shown in Figure 3, this nozzle 20 comprises nozzle body 21, in order to improve the fire extinguishing effect of thin water smoke, the utility model embodiment is provided with holding part 22 and the outside nozzle bore 23 that sprays thin water smoke at nozzle body 21, be provided with water conservancy diversion fuse 24 in the holding part 22, and the lateral wall of water conservancy diversion fuse 24 is provided with oblique groove 25, nozzle bore 23 is communicated with fluid passage 11 by oblique groove 25, thus, high-pressure fluid can flow to nozzle bore 23 along oblique groove 25, thereby so that the thin water smoke of ejection has the vortex effect in the nozzle bore 23, so that thin water smoke is not only the thin water smoke of dispersion shape, Vorticose thin water smoke can further reduce the water droplet diameter, the fire extinguishing effect of the thin water smoke of Effective Raise.
The concrete structure of water conservancy diversion fuse 24 sees Fig. 4 and Fig. 5 for details, oblique groove 25 is arranged on the lateral wall of water conservancy diversion fuse, and water conservancy diversion fuse 24 is generally cylindrical-shaped structure, so the oblique groove operated by rotary motion is on the cylinder column side wall of water conservancy diversion fuse 24, and preferably be opened in a spiral manner on the lateral wall of water conservancy diversion fuse, to form spiral helicine groove, adopt spiral helicine groove can guide better Fluid injection, reduce the Fluid injection resistance.As shown in Figure 3, the utility model embodiment also is provided with through hole 26 at water conservancy diversion fuse 24 middle parts, and through hole 26 is concentric with nozzle bore 23, nozzle bore 23 also is communicated with the fluid passage by through hole 26, after adopting this scheme, except spraying gyrate thin water smoke, can also spray the thin water smoke of linearity.
In order to prevent that partial impurities is through water conservancy diversion fuse 24, cause the obstruction of water conservancy diversion fuse 24, the utility model embodiment also is provided with screen pack 27 in holding part 22, filter out a part of impurity by screen pack 27, guarantee the normal injection of fine mist spray head, be not easy to be blocked by impurity.Specifically as shown in Figure 2, and screen pack 27 and water conservancy diversion fuse 24 be installed in the holding part 22 by jump ring 28.
Head body among the utility model embodiment generally comprises nozzle boss and joint, and nozzle boss is fixedly connected with structure, and Fig. 1 is connected in two kinds of head body 10 nozzle boss 13 and is connected with joint that adopting is threaded is fixed connection with Fig. 2.
The below's two kinds of fine mist spray heads corresponding to head body in Fig. 1 and Fig. 2 are introduced respectively.
The scheme that Fig. 6 expresses is assembled into the structure of fine mist spray head for head body among employing Fig. 1, nozzle boss 13 is provided with installing hole 12 among the figure, joint 14 is provided with fluid passage 11, be provided with spool 15 in the nozzle boss 13, be provided with spring 16 between spool 15 and the nozzle boss 13, spool 15 is blocked the fluid passage 11 on the joint 14 under the elastic force effect of spring 16, so that logical 11 roads of fluid temporarily can not be communicated with nozzle 20.Fluid pressure in the fluid passage surpasses a threshold value, the elastic force that fluid pressure will overcome spring 16 promotes spool 15, so that spool 15 moves to nozzle boss 13 ends, fluid passage 11 will be communicated with nozzle 20 this moment, and high-pressure fluid will spray thin water smoke by nozzle.The spool mounting means that adopts the utility model embodiment to provide can be so that in low fluid pressure situation, fine mist spray head weeping can not occur, and the user can in time turn-off or open fine mist spray head by the control fluid pressure.
Certainly, fine mist spray head is owing to also being provided with nozzle in the nozzle boss end, so the utility model embodiment arranges through hole at the spool sidepiece, so that high-pressure fluid is pushed the nozzle that spool can flow to by this through hole the end open among Fig. 6.
The scheme that Fig. 7 expresses is assembled into the structure of fine mist spray head for head body among employing Fig. 2, nozzle boss 13 is provided with installing hole 12 among the figure, joint 14 is provided with fluid passage 11, be provided with spool 15 in the nozzle boss 13, be provided with spring 16 between spool 15 and the nozzle boss 13, spool 15 is blocked the fluid passage 11 on the joint 14 under the elastic force effect of spring 16, so that fluid passage 11 temporarily can not be communicated with nozzle 20.Fluid pressure in fluid passage 11 surpasses a threshold value, the elastic force that fluid pressure will overcome spring 16 promotes spool 15, so that spool 15 moves to nozzle boss 13 ends, fluid passage 11 will be communicated with nozzle 20 this moment, and high-pressure fluid will be by the thin water smoke of nozzle 20 ejections.The spool mounting means that adopts the utility model embodiment to provide can be so that in low fluid pressure situation, fine mist spray head weeping can not occur.
In order to control the shutoff of fine mist spray head and to open according to environment temperature, such as Fig. 2 and shown in Figure 7, the utility model embodiment can also be provided with at the head of nozzle boss 13 sliding eye 17 that passes for spool 15, and the front end of nozzle boss 13 heads is provided with support arm 18, be supported with glass envelope 19 between spool 15 and the support arm 18, glass envelope 19 withstands spool makes it block fluid passage on the joint.Adopt scheme shown in Fig. 7 can preserve high-pressure fluid in fluid passage 11, in the lower situation of environment temperature, glass envelope 19 normally withstands spool 15, so that high-pressure fluid can not spray always; When environment temperature is higher, glass envelope 19 will be cracked because being heated, the state of glass envelope 19 cracked rear fine mist spray heads as shown in Figure 8, the elastic force that high-pressure fluid will overcome spring 16 promotes spool 15, so that spool 15 moves to the nozzle boss end, fluid passage 11 will be communicated with nozzle 20 this moment, and high-pressure fluid will spray thin water smoke by nozzle.
As such as Fig. 2, Fig. 7 and shown in Figure 8, the utility model embodiment is provided with screwed hole 181 at support arm 18, be provided with adjustment screw 182 in the screwed hole 181, adjustment screw 182 is provided with pad 183, glass envelope is supported on the adjustment screw 182 by pad 183, can regulate the active force that glass envelope 19 withstands spool by adjustment screw 182, and can carry out the dismounting of glass envelope 19 or new glass envelope is installed by this turn adjustment screw 182.
Because spool 15 can slide along sliding eye 17, in order to guarantee that spool 15 can not skid off, the utility model embodiment is provided with screens bulge loop 151 at spool 15, screens bulge loop 151 places also are provided with sealing ring, after glass envelope 19 is cracked, spool 15 slides into the head phase screens of screens bulge loop 151 and nozzle boss 13 along sliding eye 17, and sealing ring seals up sliding eye 17, prevents from dripping.
The utility model embodiment is mainly used in various fire-fighting equipments, especially adopts in the fire-fighting equipment of high-pressure water mist fire-extinguishing.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. fine mist spray head, comprise head body, be provided with the fluid passage that enters for fluid in the head body, also be provided with the installing hole that is communicated with the fluid passage on the head body, be provided with nozzle in the installing hole, nozzle comprises nozzle body, and nozzle body is provided with holding part and outwards sprays the nozzle bore of thin water smoke; It is characterized in that be provided with the water conservancy diversion fuse in the holding part, the lateral wall of water conservancy diversion fuse is provided with oblique groove, nozzle bore is communicated with the fluid passage by oblique groove.
2. fine mist spray head according to claim 1 is characterized in that, water conservancy diversion fuse middle part is provided with through hole, and through hole is concentric with nozzle bore, and nozzle bore also is communicated with the fluid passage by through hole.
3. fine mist spray head according to claim 1 is characterized in that, oblique groove is for being opened in a spiral manner the helical groove on the water conservancy diversion fuse lateral wall.
4. fine mist spray head according to claim 1 is characterized in that, also is provided with screen pack in the holding part.
5. fine mist spray head according to claim 4 is characterized in that, screen pack and water conservancy diversion fuse are installed in the holding part by jump ring.
6. fine mist spray head according to claim 1 is characterized in that, head body comprises nozzle boss and joint, and nozzle boss is fixedly connected with structure.
7. fine mist spray head according to claim 6 is characterized in that, nozzle boss is provided with installing hole, joint is provided with the fluid passage, be provided with spool in the nozzle boss, be provided with spring between spool and the nozzle boss, spool is blocked the fluid passage on the joint under the elastic force effect of spring.
8. fine mist spray head according to claim 7, it is characterized in that the head of nozzle boss is provided with the sliding eye that passes for spool, and the front end of nozzle boss head is provided with support arm, be supported with glass envelope between spool and the support arm, glass envelope withstands spool makes it block fluid passage on the joint.
9. fine mist spray head according to claim 8 is characterized in that, support arm is provided with screwed hole, is provided with adjustment screw in the screwed hole, and adjustment screw is provided with pad, and glass envelope is supported on the adjustment screw by pad.
10. fine mist spray head according to claim 8 is characterized in that, spool is provided with the screens bulge loop, and screens bulge loop place is provided with sealing ring; After glass envelope was cracked, spool slid into the head phase screens of screens bulge loop and nozzle boss along sliding eye, and sealing ring seals up sliding eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386010 CN202844438U (en) | 2012-07-28 | 2012-07-28 | Water mist spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386010 CN202844438U (en) | 2012-07-28 | 2012-07-28 | Water mist spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202844438U true CN202844438U (en) | 2013-04-03 |
Family
ID=47975679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220386010 Expired - Lifetime CN202844438U (en) | 2012-07-28 | 2012-07-28 | Water mist spray nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202844438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042960A (en) * | 2018-01-16 | 2018-05-18 | 东莞市沁翔智能科技有限公司 | A kind of pipe high-pressure nozzle |
-
2012
- 2012-07-28 CN CN 201220386010 patent/CN202844438U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042960A (en) * | 2018-01-16 | 2018-05-18 | 东莞市沁翔智能科技有限公司 | A kind of pipe high-pressure nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 266 No. 314306 Zhejiang province Haiyan Tong Yuan Zhen Tong Yuan Road Patentee after: WOER TECHNOLOGY Co.,Ltd. Address before: 66 No. 314306 Zhejiang province Haiyan Tong Yuan Tong Yuan Zhen Road Industrial Area Patentee before: ZHEJIANG WOER HYDRAULIC TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |