CN212347524U - Low-pressure double-fluid water mist spray head - Google Patents
Low-pressure double-fluid water mist spray head Download PDFInfo
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- CN212347524U CN212347524U CN202020686031.8U CN202020686031U CN212347524U CN 212347524 U CN212347524 U CN 212347524U CN 202020686031 U CN202020686031 U CN 202020686031U CN 212347524 U CN212347524 U CN 212347524U
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- hole
- shell
- spray head
- crushing
- water mist
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Abstract
The utility model belongs to the field of design and manufacture of hydraulic mechanical spray heads, in particular to a low-pressure double-fluid water mist spray head, which comprises a spray head shell, an air inlet, an inlet and a protective shell, the air inlet is arranged at one end of the spray head shell, the liquid inlet is arranged at one side of the spray head shell, one end of the liquid inlet extending into the spray head shell is communicated with the side wall of one end of the liquid inlet extending into the spray head shell, a turbine is arranged on one side of the communicated part of the air inlet and the liquid inlet, a first crushing pipeline, a second crushing pipeline and a third crushing pipeline are arranged on one side of the turbine, the other end of the sprayer shell is provided with a first spraying hole, a second spraying hole and a third spraying hole, the first crushing pipeline is connected with the first spraying hole, the second crushing pipeline is connected with the second spraying hole, and the third crushing pipeline is connected with the third spraying hole.
Description
Technical Field
The utility model belongs to hydraulic machinery shower nozzle manufacturing and designing field, concretely relates to low pressure double-fluid water mist shower nozzle.
Background
The two-fluid nozzle atomizes the liquid by using compressed gas such as compressed air, compressed nitrogen and other inert gases and then sprays the atomized liquid. At present, the spray head of the double-fluid nozzle is widely used for extinguishing fire and reducing temperature of a closed space, if only reducing temperature, compressed gas can be formed by compressed air of a compressor, and if the spray head is used for extinguishing fire, the effect of the compressed gas adopting nitrogen is better.
The existing low-pressure double-fluid atomizer has poor atomization effect, the spray hole of the atomizer is not corrosion-resistant, and the atomizer is not convenient to detach even if a protection device is arranged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a low pressure double-fluid water mist nozzle.
The purpose of the utility model is realized through the following technical scheme:
a low-pressure double-fluid water mist spray head comprises a spray head shell, an air inlet, an inlet and a protective shell, wherein the air inlet is arranged at one end of the spray head shell, the inlet is arranged at one side of the spray head shell, one end, extending into the spray head shell, of the inlet is communicated with one end side wall, extending into the spray head shell, of the inlet, a turbine is arranged at one side of the communication position of the air inlet and the inlet, a first crushing pipeline, a second crushing pipeline and a third crushing pipeline are arranged at one side of the turbine, a first spray hole, a second spray hole and a third spray hole are formed in the other end of the spray head shell, the first crushing pipeline is connected with the first spray hole, the second crushing pipeline is connected with the second spray hole, the third crushing pipeline is connected with the third spray hole, and sliding grooves are formed in two side walls, close to one end of the first spray hole, of the spray head shell, the improved sprayer is characterized in that a slide rail is arranged in the slide groove, the protective shell is arranged on the slide rail and is in sliding connection with the side wall of the sprayer shell, a first through hole, a second through hole and a third through hole are formed in the protective shell, the first through hole is opposite to the first spraying hole in position and is identical in size, the second through hole is opposite to the second spraying hole in position and is identical in size, the third through hole is opposite to the third spraying hole in position and is identical in size, the slide groove principle is that a blind hole is formed in the bottom of one end of the first spraying hole, a clamping groove is formed in the side wall, close to the blind hole, of one end of the protective shell, a spring is arranged on the inner wall of the top end of the clamping groove, the spring is connected with a clamping block, the bottom of the.
Preferably, first broken pipeline includes one-level broken district and second grade broken district, one-level broken district with second grade broken district UNICOM, second grade broken district with first spray hole intercommunication, the internal diameter in one-level broken district is by big to little, the internal diameter in second grade broken district is by little arrival.
Preferably, the third crushing pipe is arranged symmetrically to the first crushing pipe.
Preferably, the inner diameter of the second crushing pipe is set from large to small.
Preferably, the outer wall of the protective casing is coated with a corrosion-resistant material.
Preferably, the anticorrosive material is polycarbonate.
Preferably, the initial state of the spring is a compressed state.
The utility model has the advantages that:
the first spraying hole, the second spraying hole and the point spraying hole are respectively and directly connected with the first crushing pipeline, the second crushing pipeline and the third crushing pipeline, the spraying speed can be improved, meanwhile, the first crushing pipeline and the third crushing pipeline are both provided with a first-stage crushing area and a second-stage crushing area, a gas-liquid mixture enters the first-stage crushing area after being crushed by a turbine, the inner diameter of the communication part of the first-stage crushing area and a gas-liquid mixing outlet is larger than that of the communication part of the first-stage crushing area and the second-stage crushing area, so that liquid is firstly crushed in the first-stage crushing area and then enters the second-stage crushing area, the inner diameter of the second-stage crushing area is gradually increased, the inner diameter of the first spraying hole is reduced and then crushed again, the crushing effect of water mist is improved, and meanwhile, in order to prevent the first spraying hole, the second spraying hole and the third spraying hole from being exposed outside for, so set up the protective housing, the protective housing is at shower nozzle shell lateral wall sliding connection, after the protective housing laminates with the shower nozzle shell completely, first through-hole, second through-hole and third through-hole respectively with first spraying hole, second spraying hole and third spraying hole intercommunication, the gag lever post is relative with the blind hole position this moment, under the effect of spring, the card drives the gag lever post soon and gets into the blind hole, protective housing and shower nozzle shell relatively fixed, if need change protective housing, only need promote the fixture block with the hand, make gag lever post and blind hole separation, can fade protective housing from the shower nozzle shell, it is convenient to dismantle.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side sectional structural view of the protective casing of the present invention;
fig. 3 is a schematic front sectional view of the nozzle housing and the protective casing according to the present invention.
In the figure, 1, a spray head shell; 2. an air inlet; 3. a liquid inlet; 4. a protective housing; 5. a turbine; 6. a first crushing conduit; 7. a second crushing conduit; 8. a third crushing pipeline; 9. a chute; 10. a first through hole; 11. a second through hole; 12. a third through hole; 14. blind holes; 15. a card slot; 16. a spring; 17. a limiting rod; 61. a primary crushing zone; 62. a secondary crushing area; 18. A first spray orifice; 19. a second spray orifice; 20. a third spray orifice.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
A low-pressure double-fluid water mist spray head comprises a spray head shell 1, an air inlet 2, a liquid inlet 3 and a protective shell 4, wherein the air inlet 2 is arranged at one end of the spray head shell 1, the liquid inlet 3 is arranged at one side of the spray head shell 1, one end of the liquid inlet 3 extending into the spray head shell 1 is communicated with one end side wall of the liquid inlet 3 extending into the spray head shell 1, a turbine 5 is arranged at one side of the communicated position of the air inlet 2 and the liquid inlet 3, a first crushing pipeline 6, a second crushing pipeline 7 and a third crushing pipeline 8 are arranged at one side of the turbine 5, a first spray hole 18, a second spray hole 19 and a third spray hole 20 are arranged at the other end of the spray head shell 1, the first crushing pipeline 6 is connected with the first spray hole 18, and the second crushing pipeline 7 is connected with the second spray hole 19, the third crushing pipeline 8 is connected with the third spraying hole 20, two side walls of one end of the sprayer housing 1 close to the first spraying hole 18 are provided with sliding grooves 9, sliding rails are arranged in the sliding grooves 9, the protection housing 4 is arranged on the sliding rails and is in sliding connection with the side walls of the sprayer housing 1, the protection housing 4 is provided with a first through hole 10, a second through hole 11 and a third through hole 12, the first through hole 10 is opposite to the first spraying hole 18 and has the same size, the second through hole 11 is opposite to the second spraying hole 19 and has the same size, the third through hole 12 is opposite to the third spraying hole 20 and has the same size, the bottom of one end of the first spraying hole 18 is provided with a blind hole 14 according to the principle of the sliding grooves 9, one side wall of one end of the protection housing 4 close to the blind hole 14 is provided with a clamping groove 15, and the inner wall of the top end of the clamping groove 15 is provided with a, the spring 16 is connected with a clamping block, the bottom end of the clamping block is connected with a limiting rod 17, and the limiting rod 17 penetrates through the bottom of the clamping groove 15 and is matched with the blind hole 14.
It should be noted that the first crushing pipeline 6 includes a first-stage crushing area and a second-stage crushing area, the first-stage crushing area is communicated with the second-stage crushing area, the second-stage crushing area is communicated with the first spray holes 18, the inner diameter of the first-stage crushing area is gradually reduced, and the inner diameter of the second-stage crushing area is gradually reduced.
Wherein the third crushing pipe 8 is arranged symmetrically to the first crushing pipe 6.
It should be noted that the inner diameter of the second crushing pipe 7 is set from large to small.
Wherein, the outer wall of the protection shell is coated with an anticorrosive material.
Wherein the anticorrosive material is polycarbonate.
It will be appreciated that the initial state of the spring 16 is a compressed state.
The utility model discloses a beneficial effect theory of operation is:
the first spraying hole 18, the second spraying hole 19 and the point spraying hole are directly connected with the first crushing pipeline 6, the second crushing pipeline 7 and the third crushing pipeline 8 respectively, the spraying speed can be improved, meanwhile, the first crushing pipeline 6 and the third crushing pipeline 8 are both provided with a first-stage crushing area and a second-stage crushing area, a gas-liquid mixture enters the first-stage crushing area after being crushed by the turbine 5, the inner diameter of the communication part of the first-stage crushing area and a gas-liquid mixing outlet is larger than that of the communication part of the first-stage crushing area and the second-stage crushing area, so that liquid firstly carries out first-stage crushing in the first-stage crushing area, enters the second-stage crushing area after being crushed, the inner diameter of the second-stage crushing area is from small to large, the inner diameter of the first spraying hole 18 is reduced again, the crushing is carried out again, the crushing effect of water mist is improved, meanwhile, in order to prevent the first spraying hole 18, the second spraying hole 19 and the, so set up protection casing 4, protection casing 4 is at 1 lateral wall sliding connection of shower nozzle shell, after protection casing 4 and shower nozzle shell 1 laminate completely, first through-hole 10, second through-hole 11 and third through-hole 12 respectively with first spraying hole 18, second spraying hole 19 and third spraying hole 20 intercommunication, gag lever post 17 is relative with blind hole 14 position this moment, under spring 16's effect, the card drives gag lever post 17 soon and gets into blind hole 14, protection casing 4 and shower nozzle shell 1 relatively fixed, if need change protection casing 4, only need move the fixture block with the hand push, make gag lever post 17 and blind hole 14 separation, can fade protection casing 4 from shower nozzle shell 1, it is convenient to dismantle. The foregoing is merely a preferred embodiment of the invention, it being understood that the embodiments described are part of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The invention is not intended to be limited to the forms disclosed herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The low-pressure double-fluid water mist spray head is characterized by comprising a spray head shell (1), an air inlet (2), a liquid inlet (3) and a protective shell (4), wherein the air inlet (2) is arranged at one end of the spray head shell (1), the liquid inlet (3) is arranged at one side of the spray head shell (1), one end of the liquid inlet (3) extending into the spray head shell (1) is communicated with one end side wall of the liquid inlet (3) extending into the spray head shell (1), a turbine (5) is arranged at one side of the communicated position of the air inlet (2) and the liquid inlet (3), a first crushing pipeline (6), a second crushing pipeline (7) and a third crushing pipeline (8) are arranged at one side of the turbine (5), a first spray hole (18), a second spray hole (19) and a third spray hole (20) are arranged at the other end of the spray head shell (1), the first crushing pipeline (6) is connected with the first spraying hole (18), the second crushing pipeline (7) is connected with the second spraying hole (19), the third crushing pipeline (8) is connected with the third spraying hole (20), two side walls of one end, close to the first spraying hole, of the sprayer shell (1) are provided with sliding grooves (9), sliding rails are arranged in the sliding grooves (9), the protection shell (4) is arranged on the sliding rails and is in sliding connection with the side walls of the sprayer shell (1), the protection shell (4) is provided with a first through hole (10), a second through hole (11) and a third through hole (12), the first through hole (10) is opposite to the first spraying hole in position and has the same size, the second through hole (11) is opposite to the second spraying hole in position and has the same size, and the third through hole (12) is opposite to the third spraying hole in position and has the same size, spout (9) principle the one end bottom in first spraying hole is provided with blind hole (14), the one end lateral wall that protection casing (4) are close to blind hole (14) is provided with draw-in groove (15), the top inner wall of draw-in groove (15) is provided with spring (16), spring (16) are connected with the fixture block, the fixture block bottom is connected with gag lever post (17), gag lever post (17) run through the bottom of draw-in groove (15) with blind hole (14) adaptation.
2. A low pressure two fluid water mist head according to claim 1, wherein: first broken pipeline (6) include one-level broken district and second grade broken district, one-level broken district with second grade broken district UNICOM, second grade broken district with first spray hole intercommunication, the internal diameter in one-level broken district is by big to little, the internal diameter in second grade broken district is by little arrival.
3. A low pressure two fluid water mist head according to claim 2, wherein: the third crushing pipeline (8) and the first crushing pipeline (6) are symmetrically arranged.
4. A low pressure two fluid water mist head according to claim 1, wherein: the inner diameter of the second crushing pipeline (7) is arranged from large to small.
5. A low pressure two fluid water mist head according to claim 1, wherein: the outer wall of the protective shell is coated with an anticorrosive material.
6. A low pressure two fluid water mist head according to claim 5, wherein: the anticorrosive material is polycarbonate.
7. A low pressure two fluid water mist head according to claim 1, wherein: the initial state of the spring (16) is a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686031.8U CN212347524U (en) | 2020-04-29 | 2020-04-29 | Low-pressure double-fluid water mist spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686031.8U CN212347524U (en) | 2020-04-29 | 2020-04-29 | Low-pressure double-fluid water mist spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212347524U true CN212347524U (en) | 2021-01-15 |
Family
ID=74134665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686031.8U Expired - Fee Related CN212347524U (en) | 2020-04-29 | 2020-04-29 | Low-pressure double-fluid water mist spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212347524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382135A (en) * | 2022-08-03 | 2022-11-25 | 中北大学 | Fire extinguishing system with explosion point sensing and water mist spraying functions |
-
2020
- 2020-04-29 CN CN202020686031.8U patent/CN212347524U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382135A (en) * | 2022-08-03 | 2022-11-25 | 中北大学 | Fire extinguishing system with explosion point sensing and water mist spraying functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 |