CN207308142U - The stepless adjustable nozzle of spreading of spray - Google Patents
The stepless adjustable nozzle of spreading of spray Download PDFInfo
- Publication number
- CN207308142U CN207308142U CN201721085109.5U CN201721085109U CN207308142U CN 207308142 U CN207308142 U CN 207308142U CN 201721085109 U CN201721085109 U CN 201721085109U CN 207308142 U CN207308142 U CN 207308142U
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- Prior art keywords
- nozzle
- spreading
- mandrel
- spray
- ring segment
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Abstract
The utility model discloses the stepless adjustable nozzle of spreading of spray, including nozzle body and the nozzle mandrel being arranged in nozzle body, the nozzle mandrel is by divided fluid stream for perpendicular to the radial direction direct current of the axis direction of nozzle mandrel, and around the rotating tangential swirl of the axis, the radial direction direct current and tangential swirl spray after the port of export mixing of nozzle, and the ratio by adjusting radial direction direct current and tangential swirl realizes the adjusting to the spreading of spray of institute's ejecting fluid.The stepless adjustable nozzle of spreading of spray of the utility model can convenience and high-efficiency realize the stepless adjustable and simple in structure of spreading of spray, use is more convenient.
Description
Technical field
It the utility model is related to a kind of nozzle, and in particular to one kind can realize the stepless adjustable nozzle of jet angle.
Background technology
Nozzle is a variety of sprays, spraying, oil spout, a very crucial component, even critical piece in paint spraying apparatus,
Form when ejecta sprays can be changed by nozzle, different spray head designs can obtain different jeting effects.
At present, nozzle is widely used as the critical component of fire-fighting fire-extinguishing equipment.In actual fire extinguishing procedure, it usually needs according to not
Same fire extinguishing demand adjusts the mode of ejecting extinguishing to correspond to, wherein most commonly seen is exactly the angle for adjusting injection water, leads to
Over-subtraction shallow angle can increase jet length, and can then increase the area coverage of injection by increasing jet angle, it can be seen that,
It is generally necessary to it is flexibly met different fire extinguishing demands by varying jet angle.However, the spray of currently used applicator
Fog horn be usually fixed it is nonadjustable, even if also beginning to the adjustable nozzle of some spreadings of spray occurred now, however at present spraying
The adjustable nozzle in angle is also only limitted to the switching between several fixed spreadings of spray, can not achieve the purpose that step-less adjustment.
Utility model content
The purpose of this utility model is that solve the above problems, there is provided it is a kind of simple in structure, it is easy to use, it can realize spray
The stepless adjustable nozzle of fog horn.
The purpose of this utility model is achieved in that the stepless adjustable nozzle of spreading of spray, including nozzle body and setting
In the nozzle mandrel in nozzle body, the nozzle mandrel is by divided fluid stream for perpendicular to the radial direction of the axis direction of nozzle mandrel
Direct current, and sprayed around the rotating tangential swirl of the axis, the radial direction direct current and tangential swirl after the port of export mixing of nozzle
Go out, the ratio by adjusting radial direction direct current and tangential swirl realizes the adjusting to the spreading of spray of institute's ejecting fluid.
Preferably, the nozzle mandrel one end open other end closing, opens up on the side wall of sprinkler core axle envelope closed end
There is the recirculation hole connected with the fluid passage；Sprinkler core axle envelope closed end also extends to form the annular coaxial with nozzle mandrel
Section, the side wall of ring segment offer the Tangential Channel tangent with ring segment inner wall.
Preferably, the Tangential Channel is configured to be opened in the tangential through hole of the ring segment side wall, and tangential through hole connects
The inner wall for leading to the ring segment is with outer wall and tangent with inner wall.
Preferably, the Tangential Channel is is opened on the ring segment side wall, and the opening tangent with ring segment inner wall.
Preferably, the port of export of the nozzle is additionally provided with the orifice plate for increasing ejecting fluid pressure, on the orifice plate
Conical through-hole is offered, radial direction direct current and tangential swirl spray after being mixed in conical through-hole.
Preferably, the nozzle body is configured to include the core sleeve being sheathed on outside the nozzle mandrel, the mandrel
Set is outer to be also arranged with nozzle set, and the orifice plate is pressed abd fixed on core sleeve end, the conical through-hole and sprinkler core by nozzle set
Axis is coaxial；Have between the side wall of the sprinkler core axle envelope closed end and core sleeve's inner wall it is at regular intervals so that in sprinkler core
The second fluid passage for connecting the conical through-hole is formed between the blind end of axis and core sleeve inner wall.
Preferably, the nozzle mandrel is axially moveable adjustable in nozzle body, so as to pass through sprinkler core axis ring segment
The purpose of the radial direction direct current flow-rate adjustment is realized in the adjusting of end face and the spacing of the orifice plate.
Preferably, the nozzle mandrel outer wall offers external screw thread, and mandrel sleeve lining offers and the external screw thread phase
The internal thread of cooperation, the internal thread and external screw thread are flat thread.
Preferably, limited block is additionally provided between the core sleeve and nozzle mandrel, for limiting nozzle mandrel in core
Active strokes on axle sleeve.
Preferably, the sprinkler core axis ring segment end face and the spacing range of the orifice plate are 0-8mm.
Preferably, the Tangential Channel is is opened on the ring segment side wall, and the opening tangent with ring segment inner wall
Groove, the fluid in second fluid passage is entered in ring segment by the open slot forms tangential swirl.
Further, the open slot is axially to be cut to be formed along ring segment by ring segment end face, that is, is formed towards annular
The open slot of section end face opening.
It is further preferred that the length range of the open slot along ring segment axial direction is 3-19mm, the opening of open slot is wide
It is 2-9mm to spend scope.
Preferably, the orifice plate is coordinated by the first sealing ring and core sleeve's sealing, and the nozzle mandrel is close by second
Seal and core sleeve's sealing cooperation.
Compared with prior art, the beneficial effects of the utility model are embodied in：Spreading of spray provided by the utility model is stepless can
The nozzle of tune, by specific spray head designs, realize nozzle spreading of spray can step-less adjustment, and realize the effect
Nozzle structure is relatively simple, and the adjusting of spreading of spray is also more convenient, and instant spreading of spray can be achieved in the state of a spray and adjust.
So as to preferably resolve existing residential fire sprinkler, to be difficult to realize spreading of spray stepless adjustable, or existing stepless adjustable nozzle
Structure it is complex the problem of.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the stepless adjustable nozzle of spreading of spray of one embodiment of the utility model；
Fig. 2 is the dimensional structure diagram of ring segment in Fig. 1；
Fig. 3 is the schematic cross-section of the ring segment along the Tangential Channel cutting of the utility model embodiment；
Section view knot under the big spreading of spray state of the stepless adjustable nozzle of spreading of spray of another embodiment of Fig. 4 the utility model
Structure schematic diagram；
Fig. 5 is schematic cross-sectional view of the nozzle shown in Fig. 4 under small spreading of spray state.
Description of reference numerals
1. nozzle mandrel, 11. first fluid passages, 12. recirculation holes, 13. Tangential Channels, 14. ring segments, 15. external screw threads,
2. core sleeve, 21. second fluid passages, 3. nozzle sets, 4. orifice plates, 41. cylindricality hole sections, 42. conical openings, 5. first sealing rings,
6. the second sealing ring, 7. limited blocks.
Embodiment
Below in conjunction with the drawings and specific embodiments, the stepless adjustable nozzle of spreading of spray of the utility model is made further
Elaboration explanation, it should explanation, following embodiments can not form the concrete restriction to technical solutions of the utility model.
Refering to shown in Fig. 1-5, the utility model provides following examples.
A kind of stepless adjustable nozzle of spreading of spray, including nozzle body and the nozzle mandrel being arranged in nozzle body, institute
The first fluid passage offered in nozzle mandrel vertically is stated, flow dividing structure, the flow dividing structure are additionally provided with nozzle mandrel
By the radial direction direct current that the divided fluid stream entered by fluid passage is the axis direction perpendicular to nozzle mandrel, and perpendicular to described
Axis direction is simultaneously sprayed along the rotating tangential swirl of the axis, the radial direction direct current and tangential swirl after the port of export mixing of nozzle
Go out, the adjusting of the spreading of spray to institute's ejecting fluid is realized by adjusting the ratio of radial direction direct current and tangential swirl.
As a preferred solution, the 1 one end open other end of the nozzle mandrel closing, openend is used for connecting fluid
Source, offers the recirculation hole 12 connected with the fluid passage, fluid is by openend on the side wall of sprinkler core axle envelope closed end
Enter in the first fluid passage 11；Sprinkler core axle envelope closed end also extends to form the ring segment coaxial with nozzle mandrel
14, the side wall of ring segment offers the Tangential Channel 13 tangent with ring segment inner wall, and the axis that Fig. 3 show tangentially passage cuts open
The schematic cross-section for the ring segment cut；Further, the nozzle body is configured to include being sheathed on outside the nozzle mandrel
Core sleeve 2, be also arranged with nozzle set 3 outside the core sleeve；Further, the port of export of the nozzle is additionally provided with for increasing
The orifice plate 4 of big ejecting fluid pressure, offers conical through-hole on the orifice plate, specifically, the orifice plate is pressed abd fixed on spray
Between headgear leading inside and core sleeve's front end face, the conical through-hole and nozzle mandrel are coaxial；The conical through-hole includes column
Shape hole section 41 and conical opening 42, the heavy caliber end of the conical opening is towards the nozzle mandrel side, small-caliber end and the column
Shape through hole connects；Have between the side wall of the sprinkler core axle envelope closed end and core sleeve's inner wall it is at regular intervals, so as to spray
The second fluid passage 21 for connecting the conical through-hole is formed between the blind end and core sleeve inner wall of head mandrel；Fluid is by nozzle
The openend of mandrel is entered in the first fluid passage 11, and the fluid in first fluid passage passes through the close sprinkler core
The recirculation hole 12 opened up on the side wall of axle envelope closed end is entered in second fluid passage 21, and the fluid in second fluid passage is into one
It is straight that step splits into the radial direction entered from the gap between sprinkler core axis ring segment end face and the orifice plate in the conical through-hole
Stream, and the Tangential Channel by being opened up on the ring segment side wall enter the tangential swirl in conical through-hole, the radial direction
Direct current and tangential swirl spray after being mixed in conical through-hole.Further, the nozzle mandrel in nozzle body vertically
Activity is adjustable, when nozzle mandrel is towards close to orifice plate direction movement, between sprinkler core axis ring segment end face and the orifice plate
Away from reduction, radial direction direct current flow reduces therewith；Conversely, when nozzle mandrel is towards away from orifice plate direction movement, radial direction direct current
Flow increases therewith, hereby it is achieved that the adjusting of the radial direction direct current flow, while also achieves radial direction direct current and tangential swirl
The purpose that flow-rate ratio is adjusted.The radial direction direct current is different from the flow-rate ratio of tangential swirl, and the spreading of spray A of nozzle is different, radially straight
The ratio flowed shared by flow is bigger, and spreading of spray is smaller, and jet length is more remote；Conversely, reduce the ratio shared by radial direction direct current flow,
Spreading of spray increases, and jet length is relatively reduced, and Fig. 4 and Fig. 5 respectively show the structure diagram under different spreading of spray states.Should
The explanation, the front-end and back-end described in above example be fluid relative flowing direction for.
As a kind of specific scheme, as shown in Figures 1 and 2, the Tangential Channel is to be opened in the ring segment side
On wall, and the open slot tangent with ring segment inner wall, the fluid in second fluid passage enters ring segment by the open slot
Middle formation tangential swirl.Further, the opening is axially to be cut to be formed along ring segment by ring segment end face, that is, forms direction
The open slot of ring segment end face opening, as it is further preferred that the open slot along the length range of ring segment axial direction is 3-
19mm, the opening width range of open slot is 2-9mm.
As another specific scheme, as shown in Figures 4 and 5, the Tangential Channel 13 is configured to be opened in institute
The tangential through hole of ring segment side wall is stated, the inner wall that tangential through hole connects the ring segment is with outer wall and tangent with inner wall, further
, as needed, multiple tangential through holes can be opened up along the circumferencial direction and/or axial array of the ring segment.
As preferable scheme, the nozzle mandrel outer wall offers external screw thread 15, core sleeve's inner wall offer with it is described
The matched internal thread of external screw thread, it is contemplated that the fluid into nozzle mandrel is generally high-pressure fluid, for enhancing nozzle mandrel with
Connective stability between core sleeve, the internal thread and external screw thread are flat thread.
As preference, the sprinkler core axis ring segment end face and the spacing range of the orifice plate are 0-8mm, between described
Away from for 0mm when, do not produce the radial direction direct current, realize the maximization of spreading of spray；When the spacing is 8mm, spreading of spray is realized
Minimum.
As preferable scheme, the orifice plate sidepiece offers the first seal groove, and is realized by the first sealing ring 5 and core
Sleeve lining sealing coordinates, and the nozzle mandrel side wall offers the second seal groove, and is realized by the second sealing ring 6 and mandrel
Set sealing coordinates.
As preferable scheme, limited block 7 is additionally provided between the core sleeve and nozzle mandrel, for limiting nozzle
Active strokes of the mandrel in core sleeve.Selectable, the limited block is axis clamp spring, and core sleeve's inner wall offers
The card slot to match with the axis clamp spring.
Further, the rear end that external thread section is offered on nozzle mandrel is raised section, and the diameter of the raised section is more than
Or the outside diameter equal to the external thread section, with back-and-forth motion of the external thread section with respect to core sleeve, the raised section of nozzle mandrel exists
Moved axially in core sleeve's inner wall, wherein, when extreme direction moves forward, raised section is subject to the boss in core sleeve's inner wall
It is spacing, when extreme direction backward moves, raised section is subject to the spacing of the limited block 7, it should explanation, it is described " preceding
End " is in opposing showerhead for the flow direction of fluid with " rear end ".
As preferable scheme, the nozzle mandrel openend is to snap connection or be threadedly coupled with fluid input.
In the description of the embodiment of the utility model, it is to be understood that term " on ", " under ", "front", "rear",
"left", "right", " hard straight ", " level ", " " center ", " top ", " bottom ", " top ", " bottom ", " interior ", " outer ", " inner side ", " outside
The orientation or position relationship of the instructions such as side " are based on orientation shown in the drawings or position relationship, merely to making in this reality of description
With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.Wherein, " inboard " refers to inside or fences up
Region or space." periphery " refers to the region around certain particular elements or specific region.
In the description of the embodiment of the utility model, term " first ", " second ", " the 3rd ", " the 4th " are only used for retouching
Purpose is stated, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.By
This, defines " first ", " second ", " the 3rd ", the feature of " the 4th " can be expressed or implicitly include one or more
A this feature.In the description of the utility model, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to illustrate in the description of the embodiment of the utility model, unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection ", " assembling " should be interpreted broadly, for example, it may be being fixedly connected or detachably
Connection, or be integrally connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, it can understand above-mentioned term in the utility model with concrete condition
Concrete meaning.
In the description of the embodiment of the utility model, particular features, structures, materials, or characteristics can be any one
Combined in an appropriate manner in a or multiple embodiments or example.
In the description of the embodiment of the utility model, it is to be understood that "-" and "~" represent be two values it
Same scope, and the scope includes endpoint.Such as:" X-Y " represents to be greater than or equal to X, and the scope less than or equal to Y.“X
~Y " represents to be greater than or equal to X, and the scope less than or equal to Y.
In the description of the embodiment of the utility model, the terms "and/or", is only a kind of description affiliated partner
Incidence relation, expression there may be three kinds of relations, for example, X and/or Y, can represent：Individualism X, while there are X and Y,
These three situations of individualism Y.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (10)
1. the stepless adjustable nozzle of spreading of spray, including nozzle body and the nozzle mandrel that is arranged in nozzle body, its feature exist
In, the nozzle mandrel by the radial direction direct current that divided fluid stream is axis direction perpendicular to nozzle mandrel, and revolve around the axis
The tangential swirl turned, the radial direction direct current and tangential swirl spray after the port of export mixing of nozzle, by adjusting radial direction direct current
The adjusting to the spreading of spray of institute's ejecting fluid is realized with the ratio of tangential swirl.
2. the stepless adjustable nozzle of spreading of spray according to claim 1, it is characterised in that the nozzle mandrel one end open
The other end is closed, and first fluid passage vertically is offered in nozzle mandrel, is opened on the side wall of sprinkler core axle envelope closed end
Equipped with the recirculation hole connected with the first fluid passage；Sprinkler core axle envelope closed end also extends to form coaxial with nozzle mandrel
Ring segment, the side wall of ring segment offer the Tangential Channel tangent with ring segment inner wall.
3. the stepless adjustable nozzle of spreading of spray according to claim 1 or 2, it is characterised in that the port of export of the nozzle
The orifice plate for increasing ejecting fluid pressure is additionally provided with, conical through-hole, radial direction direct current and tangential rotation are offered on the orifice plate
Stream sprays after being mixed in conical through-hole.
4. the stepless adjustable nozzle of spreading of spray according to claim 3, it is characterised in that the nozzle body is configured to
Including the core sleeve being sheathed on outside the nozzle mandrel, nozzle set is also arranged with outside the core sleeve, the orifice plate is by nozzle set
Core sleeve end is pressed abd fixed on, the conical through-hole and nozzle mandrel are coaxial；The side wall of the sprinkler core axle envelope closed end and institute
State between core sleeve's inner wall and have at regular intervals, institute is connected so as to be formed between the blind end and core sleeve inner wall of nozzle mandrel
State the second fluid passage of conical through-hole.
5. the stepless adjustable nozzle of spreading of spray according to claim 4, it is characterised in that the nozzle mandrel is in nozzle master
It is axially moveable adjustable in vivo, so that the footpath is realized in the adjusting by sprinkler core axis ring segment end face and the spacing of the orifice plate
To the purpose of direct current flow-rate adjustment.
6. the stepless adjustable nozzle of spreading of spray according to claim 5, it is characterised in that the nozzle mandrel outer wall opens up
There is external screw thread, mandrel sleeve lining is offered is with the matched internal thread of the external screw thread, the internal thread and external screw thread
Flat thread.
7. the stepless adjustable nozzle of spreading of spray according to claim 4, it is characterised in that the core sleeve and nozzle mandrel
Between be additionally provided with limited block, for limiting active strokes of the nozzle mandrel in core sleeve.
8. the stepless adjustable nozzle of spreading of spray according to claim 5, it is characterised in that the sprinkler core axis ring segment end
Face and the spacing range of the orifice plate are 0-8mm.
9. the stepless adjustable nozzle of spreading of spray according to claim 2, it is characterised in that the Tangential Channel is to be opened in
On the ring segment side wall, and the open slot tangent with ring segment inner wall, the fluid in second fluid passage passes through the opening
Groove, which enters in ring segment, forms tangential swirl.
10. the stepless adjustable nozzle of spreading of spray according to claim 4, it is characterised in that the orifice plate is close by first
Seal is coordinated with core sleeve's sealing cooperation, the nozzle mandrel by the second sealing ring and core sleeve's sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085109.5U CN207308142U (en) | 2017-08-28 | 2017-08-28 | The stepless adjustable nozzle of spreading of spray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085109.5U CN207308142U (en) | 2017-08-28 | 2017-08-28 | The stepless adjustable nozzle of spreading of spray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207308142U true CN207308142U (en) | 2018-05-04 |
Family
ID=62432265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085109.5U Active CN207308142U (en) | 2017-08-28 | 2017-08-28 | The stepless adjustable nozzle of spreading of spray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207308142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309106A (en) * | 2017-08-28 | 2017-11-03 | 威特龙消防安全集团股份公司 | A kind of stepless adjustable shower nozzle of spreading of spray |
| CN111389610A (en) * | 2020-03-18 | 2020-07-10 | 北京科勒有限公司 | Liquid spraying device |
-
2017
- 2017-08-28 CN CN201721085109.5U patent/CN207308142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309106A (en) * | 2017-08-28 | 2017-11-03 | 威特龙消防安全集团股份公司 | A kind of stepless adjustable shower nozzle of spreading of spray |
| CN111389610A (en) * | 2020-03-18 | 2020-07-10 | 北京科勒有限公司 | Liquid spraying device |
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