CN204891029U - Diphase flows foam spray gun - Google Patents
Diphase flows foam spray gun Download PDFInfo
- Publication number
- CN204891029U CN204891029U CN201520570919.4U CN201520570919U CN204891029U CN 204891029 U CN204891029 U CN 204891029U CN 201520570919 U CN201520570919 U CN 201520570919U CN 204891029 U CN204891029 U CN 204891029U
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- CN
- China
- Prior art keywords
- air
- gun
- nozzle
- water
- water valve
- 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.)
- Expired - Fee Related
Links
- 239000006260 foam Substances 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 230000005514 two-phase flow Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000010304 firing Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a diphase flows foam spray gun relates to fire fighting field, including the rifle body, connect in the stock of rifle body bottom surface, connect in the barral of a gun of rifle body front end, connect in the injection subassembly of barral of a gun front end, connect in the valve components of rifle body tail end, be located the air valve group spare of the internal portion of rifle, be equipped with between valve components and the air valve group spare and pull the switch, valve components includes the water inlet tap, with the water valve casing that the water inlet tap is connected, communicates in the water intake pipe of water valve casing, first spring, water valve inner core and push rod between water inlet tap and water valve casing from left to right set gradually, air valve group spare is including the pneumatic valve casing of intercommunication water intake pipe and air inlet pipeline, the suction nozzle is connected to the air inlet pipeline, inside pull rod, second spring, pneumatic valve inner core, the nozzle of from left to right setting gradually of pneumatic valve casing, most advanced mouthful of entry with the barral of a gun at the nozzle corresponds the setting. When the switch was pulled in the start -up, aqueous vapor synchronous starting realized the aqueous vapor and mixes the injection, and convenient to use, long firing range guarantee fire fighter's safety.
Description
Technical field
The utility model relates to fire-fighting domain, is specifically related to a kind of two-phase flow foam lance.
Background technology
When breaking out of fire dangerous situation, the use of foam lance should the spreading of the prevention intensity of a fire rapidly and efficiently further, foam in foam lance should mix with air, water the jeting effect ensureing foam, carrying out in the process of putting out a fire, foam lance should be convenient to move and improve fire-fighting efficiency simultaneously.Existing injection gun for fire fighting mostly is simple function spray gun, or can only spray air foam, or water, needs bad adaptability to the fire extinguishing of different fire, is unfavorable for tackling the fire extinguishing needs of the various condition of a fire faced by under battle conditions; And involve great expense, need die sinking to cast when processing and manufacturing, the R & D design cycle is long, and cost requirements is high, and jet length is short, and rifle body case great majority are plastics, easily aging.
Utility model content
In order to solve the deficiency that prior art exists, the purpose of this utility model is to provide a kind of two-phase flow foam lance, and two-phase is sprayed, and processes easy, low cost of manufacture, durable.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
Two-phase flow foam lance, comprises rifle body, is connected to the gun stock of rifle body bottom surface; Be connected to the barral of a gun of rifle body front end; Be connected to the ejection assemblies of barral of a gun front end; Be connected to the water valve assembly of described rifle body tail end; Be positioned at the air-valve assembly of described rifle body inside; Operating switch is provided with between described water valve assembly and air-valve assembly; Described water valve assembly comprises and is fixed on water inlet tap on rear tailgate by water inlet nut, and the water valve housing be connected with described water inlet tap, is communicated in the inlet pipeline of described water valve housing; From left to right be set in turn in the first spring between described water inlet tap and described water valve housing, water valve inner core and push rod; Described air-valve assembly comprises air valve shell, and described air valve shell is communicated with inlet pipeline and air inlet pipeline; Air valve shell described in described air inlet pipeline outlet, entrance is connected with suction nozzle; Described air valve shell inside from left to right sets gradually pull bar, the second spring, air valve inner core, nozzle; Described nozzle tip port is corresponding with the entrance of barral of a gun to be arranged.
As preferably, described rifle body is hollow chamber's shape structure that front gun barrel and rear gun barrel surround; The junction of front gun barrel and rear gun barrel is provided with adapter sleeve; Front gun barrel front connects drive end bearing bracket; Tailgate after rear gun barrel rear connects; Described barral of a gun is fixed on drive end bearing bracket by front jack panel.
As preferably, described water inlet tap has first end and the second end, and first end extends to outside described rear gun barrel, and the second end is positioned at described rear gun barrel; Be provided with in first end and mend core into water.
As preferably, described first spring is connected on described water inlet tap, and described water valve inner core cone point is connected on the first spring, and the other end is connected on the inwall of described water valve housing; One end connecting with water valve inner core of described push rod, the other end extends to outside described water valve housing.
As preferably, described suction nozzle is fixed on described rear tailgate by air inlet nut, and its inside is provided with air inlet and mends core.
As preferably, described air valve inner core is positioned at one end of described pull bar; Described second spring housing is located on described pull bar and air valve inner core; Described nozzle wall coordinates with described air valve shell, and both cooperation places are provided with the 3rd O shape circle.
As preferably, described ejection assemblies comprises the rifle head being arranged on barral of a gun front end; Described rifle head side is connected on rifle head holder; Rifle head connecting plate is provided with between rifle head side and rifle head holder; Groove is all offered in rifle head connecting plate and described rifle head side, is provided with steel ball in groove, and rifle head connecting plate connects steel ball pressing plate by the first screw, and steel ball pressing plate covers groove; Described rifle head front end connects shower nozzle by nozzle connecting female connector; Shower nozzle is fixed on nozzle boss, and nozzle boss is fixed on rifle head connecting plate by the second screw.
As preferably, described operating switch has round end and pulls end; Described round end is fixed on rotating shaft, and cylinder lever connecting rod; Describedly pull end to extend to described rifle external.
As preferably, described air inlet pipeline, inlet pipeline, ejection assemblies, water valve housing, air valve shell are machined piece.
The beneficial effects of the utility model are:
Two-phase flow foam lance described in the utility model, is cooperatively interacted by water valve assembly and air-valve assembly during ejecting extinguishing, when starting operating switch, water valve assembly and air-valve assembly synchronous averaging, realize gas-vapor mix to spray, easy to use, far firing range, ensure fire fighter's safety.And most of parts adopt machine tooling, processing is simple, changes parts convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the sectional view along A-A direction in Fig. 1.
Gun stock 1; Barral of a gun 2; Operating switch 3; Front gun barrel 4; Adapter sleeve 5; Drive end bearing bracket 6; Rear tailgate 7; Front jack panel 8; Water inlet nut 9; Water inlet tap 10; Water valve housing 11; Inlet pipeline 12; First spring 13; Water valve inner core 14; Push rod 15; Core 16 is mended in water inlet; One O shape circle 17; Air valve shell 18; Air inlet pipeline 19; Suction nozzle 20; Core 21 is mended in air inlet; Pull bar 22; Second spring 23; Air valve inner core 24; Nozzle 25; Air inlet nut 26; 3rd O shape circle 27; Rifle head 28; Rifle head holder 29; Rifle head connecting plate 30; Steel ball 31; First screw 32; Steel ball pressing plate 33; Shower nozzle 34; Nozzle boss 35; Second screw 36; Rotating shaft 37; Rear gun barrel 38; Nozzle connecting female connector 39; Seal washer 40.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Refer to accompanying drawing 1 ~ 2, the two-phase flow foam lance described in the utility model embodiment, comprises rifle body, is connected to the gun stock 1 of rifle body bottom surface; Be connected to the barral of a gun 2 of rifle body front end; Be connected to the ejection assemblies of barral of a gun 2 front end; Be connected to the water valve assembly of described rifle body tail end; Be positioned at the air-valve assembly of described rifle body inside; Operating switch 3 is provided with between described water valve assembly and air-valve assembly.
Described rifle body is hollow chamber's shape structure that front gun barrel 4 and rear gun barrel 38 surround.Front gun barrel 4 is provided with adapter sleeve 5 with the junction of rear gun barrel 38.Front gun barrel 4 front connects drive end bearing bracket 6; Tailgate 7 after rear gun barrel 38 rear connects.Described barral of a gun 2 is fixed on drive end bearing bracket 6 by front jack panel 8.
Described water valve assembly comprises and is fixed on water inlet tap 10 on rear tailgate 7 by water inlet nut 9, and the water valve housing 11 be connected with described water inlet tap 10, is communicated in the inlet pipeline 12 of described water valve housing 11; From left to right be set in turn in the first spring 13, water valve inner core 14 and the push rod 15 between described water inlet tap 10 and described water valve housing 11, described first spring 13 is connected on described water inlet tap 10, described water valve inner core 14 cone point is connected on the first spring 13, and the other end is connected on the inwall of described water valve housing 11.Described water inlet tap 10 has first end and the second end, and first end extends to outside described rear gun barrel 38, and the second end is positioned at described rear gun barrel 38; Be provided with in first end and mend core 16 into water.In order to realize better sealing, described water valve housing 11 is provided with an O shape with described water inlet tap 10 junction and encloses 17.
Described air-valve assembly comprises air valve shell 18, and described air valve shell 18 is connected on drive end bearing bracket 6, and is communicated with inlet pipeline 12 and air inlet pipeline 19; Air valve shell 18 described in described air inlet pipeline 19 outlet, entrance is connected with suction nozzle 20; Described suction nozzle 20 is fixed on described rear tailgate 7 by air inlet nut 26, and its inside is provided with air inlet and mends core 21; Described air valve shell 18 is hollow chamber, and its inside from left to right sets gradually pull bar 22, second spring 23, air valve inner core 24, nozzle 25; The most advanced and sophisticated mouth of described nozzle 25 is corresponding with the entrance of barral of a gun 2 to be arranged; Described air valve inner core 24 is positioned at one end of described pull bar 22; Described second spring 23 is sheathed on described pull bar 22 and air valve inner core 24; Seal washer 40 is provided with between air valve inner core 24 and described nozzle 25; Described nozzle 25 sidewall coordinates with described air valve shell 18, and both cooperation places are provided with the 3rd O shape circle 27.
Described ejection assemblies comprises the rifle head 28 being arranged on barral of a gun 2 front end; Described rifle head 28 side is connected on rifle head holder 29; Rifle head connecting plate 30 is provided with between rifle head 28 side and rifle head holder 29; Groove is all offered in rifle head connecting plate 30 and described rifle head 28 side, and be provided with steel ball 31 in groove, rifle head connecting plate 30 connects steel ball pressing plate 33 by the first screw 32, and steel ball pressing plate 33 covers groove; Described rifle head 28 front end connects shower nozzle 34 by nozzle connecting female connector 39; Shower nozzle 34 is fixed on nozzle boss 35, and nozzle boss 35 is fixed on rifle head connecting plate 30 by the second screw 36.
Described operating switch 3 has round end and pulls end; Described round end is fixed on rotating shaft 37, and cylinder lever connecting rod 22, described in pull end to extend to described rifle external; Pull end when pulling left, abut push rod 15 and make it be moved to the left, push rod 15 promotes water valve inner core 14 and is moved to the left, and water valve inner core 14 is separated with water valve housing 11, is also and then moved to the left simultaneously pull bar 22 is separated with nozzle 25 with the pull bar 22 that round end connects.
When exterior line connects complete, pull described operating switch 3, water valve inner core 14 is promoted left, water valve housing 11 is separated with water valve inner core 14 place of being tightly connected, water or foam solution are mended core 16 from water inlet tap 10 through water inlet and are entered in water valve housing 11, enter air valve shell 18 by inlet pipeline 12 again, sprayed by barral of a gun 2 and nozzle component.Meanwhile pull bar 22 is pulled left, pull bar 22 is separated with nozzle 25 place of being tightly connected, air-flow flows into air valve shell 18 from air inlet pipeline 19, realizes aqueous vapor or water bubble liquid mixing jetting by nozzle 25, and spray regime adopts the 18 meters of injections of 20 degree of elevation angle single hole water columns; Porous atomized water spray, jet angle 20 degree, distance 7 meters.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (9)
1. a two-phase flow foam lance, is characterized in that: comprise rifle body, is connected to the gun stock of rifle body bottom surface; Be connected to the barral of a gun of rifle body front end; Be connected to the ejection assemblies of barral of a gun front end; Be connected to the water valve assembly of described rifle body tail end; Be positioned at the air-valve assembly of described rifle body inside; Operating switch is provided with between described water valve assembly and air-valve assembly; Described water valve assembly comprises and is fixed on water inlet tap on rear tailgate by water inlet nut, and the water valve housing be connected with described water inlet tap, is communicated in the inlet pipeline of described water valve housing; From left to right be set in turn in the first spring between described water inlet tap and described water valve housing, water valve inner core and push rod; Described air-valve assembly comprises air valve shell, and described air valve shell is communicated with inlet pipeline and air inlet pipeline; Air valve shell described in described air inlet pipeline outlet, entrance is connected with suction nozzle; Described air valve shell inside from left to right sets gradually pull bar, the second spring, air valve inner core, nozzle; Described nozzle tip port is corresponding with the entrance of barral of a gun to be arranged.
2. two-phase flow foam lance according to claim 1, is characterized in that: described rifle body is hollow chamber's shape structure that front gun barrel and rear gun barrel surround; The junction of front gun barrel and rear gun barrel is provided with adapter sleeve; Front gun barrel front connects drive end bearing bracket; Tailgate after rear gun barrel rear connects; Described barral of a gun is fixed on drive end bearing bracket by front jack panel.
3. two-phase flow foam lance according to claim 2, is characterized in that: described water inlet tap has first end and the second end, and first end extends to outside described rear gun barrel, and the second end is positioned at described rear gun barrel; Be provided with in first end and mend core into water.
4. two-phase flow foam lance according to claim 1, is characterized in that: described first spring is connected on described water inlet tap, and described water valve inner core cone point is connected on the first spring, and the other end is connected on the inwall of described water valve housing; One end connecting with water valve inner core of described push rod, the other end extends to outside described water valve housing.
5. two-phase flow foam lance according to claim 1, is characterized in that: described suction nozzle is fixed on described rear tailgate by air inlet nut, and its inside is provided with air inlet and mends core.
6. two-phase flow foam lance according to claim 1, is characterized in that: described air valve inner core is positioned at one end of described pull bar; Described second spring housing is located on described pull bar and air valve inner core; Described nozzle wall coordinates with described air valve shell, and both cooperation places are provided with the 3rd O shape circle.
7. two-phase flow foam lance according to claim 1, is characterized in that: described ejection assemblies comprises the rifle head being arranged on barral of a gun front end; Described rifle head side is connected on rifle head holder; Rifle head connecting plate is provided with between rifle head side and rifle head holder; Groove is all offered in rifle head connecting plate and described rifle head side, is provided with steel ball in groove, and rifle head connecting plate connects steel ball pressing plate by the first screw, and steel ball pressing plate covers groove; Described rifle head front end connects shower nozzle by nozzle connecting female connector; Shower nozzle is fixed on nozzle boss, and nozzle boss is fixed on rifle head connecting plate by the second screw.
8. two-phase flow foam lance according to claim 1, is characterized in that: described operating switch has round end and pulls end; Described round end is fixed on rotating shaft, and cylinder lever connecting rod; Describedly pull end to extend to described rifle external.
9. two-phase flow foam lance according to claim 1, is characterized in that: described air inlet pipeline, inlet pipeline, ejection assemblies, water valve housing, air valve shell are machined piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570919.4U CN204891029U (en) | 2015-07-31 | 2015-07-31 | Diphase flows foam spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570919.4U CN204891029U (en) | 2015-07-31 | 2015-07-31 | Diphase flows foam spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204891029U true CN204891029U (en) | 2015-12-23 |
Family
ID=54913246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520570919.4U Expired - Fee Related CN204891029U (en) | 2015-07-31 | 2015-07-31 | Diphase flows foam spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204891029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837183A (en) * | 2017-10-24 | 2018-03-27 | 孙逊江 | The special eye rack for cleaning of ophthalmology and Special cleaning rifle |
-
2015
- 2015-07-31 CN CN201520570919.4U patent/CN204891029U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837183A (en) * | 2017-10-24 | 2018-03-27 | 孙逊江 | The special eye rack for cleaning of ophthalmology and Special cleaning rifle |
| CN107837183B (en) * | 2017-10-24 | 2020-12-01 | 青岛大学附属医院 | Eye cleaning rack special for ophthalmology and special cleaning gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |