CN204395284U - A kind of multiinjector fine mist spray head - Google Patents

A kind of multiinjector fine mist spray head Download PDF

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Publication number
CN204395284U
CN204395284U CN201420868837.3U CN201420868837U CN204395284U CN 204395284 U CN204395284 U CN 204395284U CN 201420868837 U CN201420868837 U CN 201420868837U CN 204395284 U CN204395284 U CN 204395284U
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CN
China
Prior art keywords
water
center
multiinjector
mouth
fine mist
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Expired - Fee Related
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CN201420868837.3U
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Chinese (zh)
Inventor
李庆刚
唐孛
何海宾
成华友
葛凯
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Xihua University
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Xihua University
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Priority to CN201420868837.3U priority Critical patent/CN204395284U/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of multiinjector fine mist spray head.Comprise water inlet, hybrid chamber and water jet, hybrid chamber is made up of front cone and rear cylindrical body; There is the center water inlet arranged vertically at cylinder bottom center, the lateral inflow mouth that cylindrical wall has symmetrically arranged rotation direction identical, and lateral inflow mouth and hybrid chamber circular cylindrical internal surface tangentially become 30 degree of angles; There is the central water spray mouth arranged vertically at center, cone front end, 6 groups of side direction water jets that cone cone surface has uniform intervals to arrange, in angle of 45 degrees, the simple water jet of structure instead of baroque nozzle for side direction water jet center line and central water spray mouth center line.The utility model effectively make use of direct projection energy and the rotating energy of water simultaneously, and both ensure that the axial momentum of water mists, and expanded again atomization radius of protection, achieving nozzle cluster has larger spraying radius of protection; The simple nozzle of multiple structure, simplifies the overall structure of shower nozzle.

Description

A kind of multiinjector fine mist spray head
Technical field
The utility model belongs to security against fire equipment Design field, especially belongs to hydraulic giant in fire-fighting equipment and manufactures and designs, particularly a kind of multiinjector fine mist spray head design and manufacturing technology.
Background technology
Existing fire-fighting fine mist spray head comprises the structures such as direct projection atomizer, direct projection-rotational flow atomized spray injector, multiinjector combined type fine mist spray head.
Direct projection-rotational flow atomized spray injector: this shower nozzle has a bottom inlet and 2 side imports, 2 side imports enter shower nozzle with direction tangent with shower nozzle internal face after axial steering horizontal, produce eddy flow, and mix mutually with top inlet direct projection stream, form the strong turbulent motion with direct projection stream and eddy flow, finally spray from the single injector of shower nozzle.
There is a kind of fine mist spray head, this mixing spiral-flow type fine mist spray head have a top inlet with 2 to become with top inlet axis certain degree (with level in angle of 45 degrees, with axis in angle of 45 degrees) lateral inflow mouth, 2 side equal rotation directions of import angle are consistent, and mix mutually with the direct projection stream producing axial kinetic energy, at the strong mixing swirling motion of head body eddy flow top of chamber import direct projection stream and 2 side import eddy flows, under the promotion of the axial kinetic energy of top inlet, mixing eddy flow finally produces strong collision from the ejection of the single injector mouth of shower nozzle with air, form water mists.
Multiinjector combined type fine mist spray head: nozzle number has 7 to 16 to combine, and nozzle arrangements is various informative, existing structure has three tangential slot type mist-generating nozzles, secondary atomizer.Nozzle structure has larger change according on the different structure of nozzle number, what its 7 nozzle unit shower nozzle adopted is the head body of 7 nozzles, body bottom center arranges a nozzle, and the side at 45 ° with bottom surface arranges 6 nozzles, and 6 nozzles wait a point layout along head body circumference.
There is a kind of combined type fine mist spray head: this combined type fine mist spray head uses five to mix spiral-flow type structure mist-generating nozzle and is combined into this shower nozzle, its water intake mode is different from three tangential slot type multiinjector combined type fine mist spray heads with the mode forming eddy flow, the nozzle of this shower nozzle have a top inlet with 2 to become with top inlet axis certain degree (with level in angle of 45 degrees, with axis in angle of 45 degrees) lateral inflow mouth, 2 side equal rotation directions of import angle are consistent, and mix mutually with the axial kinetic energy direct projection stream of generation, at the strong mixing swirling motion of nozzle body eddy flow top of chamber import direct projection stream and 2 side import eddy flows, under the promotion of the axial kinetic energy of top inlet, mixing eddy flow finally produces from jet hole ejection and air and strongly touches.While the strong eddy flow of maintenance, the loss of the axial momentum of 2 imports in side is dropped to minimum, compare because import current are without turn sharp with three tangential slot type atomizers, decrease entrance loss, make the eddy flow mixing in eddy flow chamber better.This shower nozzle adopts the head body of 5 nozzles, and body bottom center arranges a nozzle, and be side arrangement 4 nozzles of 45 ° with bottom surface, 4 nozzles are arranged along head body surrounding all directions.
Above-mentioned two kinds of single injector water mist fire-extinguishing nozzles, have superiority in structure is simple, but have larger gap and defect in spraying radius of protection compared with multiinjector Combined nozzle.
Above-mentioned two kinds of multiinjector combined type fine mist spray heads; have superiority in spraying radius of protection; but there is following problem and shortage during for putting out a fire: after discharge characteristic COEFFICIENT K increases, the water consumption of shower nozzle is large, and shower nozzle is formed by multiple Nozzle combination; the structure inherently more complicated of nozzle; therefore shower nozzle manufacturing process is comparatively complicated, is unfavorable for scale, standardized production and reduction production cost, outward appearance aspect; shower nozzle overall volume is comparatively large, is not easy to install.
Summary of the invention
The utility model discloses a kind of multiinjector fine mist spray head according to the deficiencies in the prior art.Problem to be solved in the utility model is to provide a kind of multiinjector fine mist spray head, realizes that structure is simple, compact, atomization are good, spraying radius of protection is large, spray momentum large, droplet even density, water consumption are few, fire extinguishing effectiveness good, the advantage such as noiseless between each nozzle spray.
The utility model is achieved through the following technical solutions:
Multiinjector fine mist spray head, comprises water inlet, hybrid chamber and water jet, it is characterized in that: described hybrid chamber is made up of front cone and rear cylindrical body; There is the center water inlet arranged vertically at cylinder bottom center, the lateral inflow mouth that cylindrical wall has symmetrically arranged rotation direction identical, and lateral inflow mouth and hybrid chamber circular cylindrical internal surface tangentially become 30 degree of angles; There is the central water spray mouth arranged vertically at center, cone front end, 6 groups of side direction water jets that cone cone surface has uniform intervals to arrange, in angle of 45 degrees, the simple water jet of structure instead of baroque nozzle for side direction water jet center line and central water spray mouth center line.
Described 6 groups of side direction water jets in same circumferential plane spaced 60 degree be all evenly arranged.
Described lateral inflow mouth is symmetrical arranged 2 to 4 groups.Described especially lateral inflow mouth is symmetrical arranged 2 groups near cylinder bottom.
The capsule components that further described hybrid chamber is connected by mutual thread seal and sprayer body component combination are formed; Described center water inlet is positioned at bottom capsule components, and lateral inflow mouth is positioned at capsule components sidewall; Described central water spray mouth is positioned at sprayer body member forward end center, and side direction water jet is positioned at sprayer body parts conical surface.
The screw thread be connected with water system is had bottom above-mentioned capsule components.
The utility model multiinjector fine mist spray head: there is the oblique water inlet in side that a top center water inlet is identical with multiple symmetrically arranged rotation direction, and a central water spray mouth and six side direction water jets.The oblique water inlet in the side that rotation direction is consistent tangentially becomes 30 ° of angles to enter the mixing eddy flow chamber of shower nozzle with mixing eddy flow cavity wall face, eddy flow is produced in mixing eddy flow chamber, and mix mutually with the direct projection stream of top center water inlet, form the swirling motion with strong disturbance, under water inlet axial kinetic energy in top promotes, mixing eddy flow finally produces strong collision from 7 nozzle ejections of shower nozzle with air and forms water mists.
The utility model shower nozzle tool has the following advantages: (1) effectively make use of direct projection energy and the rotating energy of water simultaneously, both ensure that the axial momentum of water mists, expand again atomization radius of protection, achieving nozzle cluster has larger spraying radius of protection; (2) there is the simple nozzle of multiple structure, simplify the overall structure of shower nozzle; (3) while meeting spray intensity requirement, flow is saved again; (4) production technology of product is simple, is easy to scale, standardized production: (5) product installation and maintenance is simple.
Accompanying drawing explanation
Fig. 1 is the utility model shower nozzle water flow passage schematic diagram;
Fig. 2 is the utility model sprayer body front plan structural representation;
Fig. 3 is the utility model sprayer body vertical section structure schematic diagram, i.e. Fig. 2 AA face structural representation;
Fig. 4 is the utility model sprayer body side structure schematic diagram;
Fig. 5 is the utility model sprayer body lateral inflow mouth cross sectional representation, i.e. Fig. 4 BB face structural representation;
Fig. 6 is the utility model sprayer body structure perspective structure schematic diagram.
In figure, 1 is center water inlet, and 2 is lateral inflow mouths, and 3 is capsule components, and 4 is sprayer body parts, and 5 is side direction water jets, and 6 is central water spray mouths.
Detailed description of the invention
Below by embodiment, the utility model is specifically described; embodiment is only for being further detailed the utility model; can not be interpreted as the restriction to the utility model protection domain, those skilled in the art can make according to above-mentioned content of the present utility model the scope that some nonessential improvement and adjustment belong to the utility model protection.
Composition graphs 1 to Fig. 6.
Multiinjector fine mist spray head, comprises water inlet, hybrid chamber and water jet, and hybrid chamber is made up of front cone and rear cylindrical body; There is the center water inlet 1 arranged vertically at cylinder bottom center, the lateral inflow mouth 2 that cylindrical wall has symmetrically arranged rotation direction identical, and lateral inflow mouth 2 and hybrid chamber circular cylindrical internal surface tangentially become 30 degree of angles; There is the central water spray mouth 6 arranged vertically at center, cone front end, 6 groups of side direction water jets 5 that cone cone surface has uniform intervals to arrange, and side direction water jet 5 center line and central water spray mouth 6 center line are in angle of 45 degrees.
6 groups of side direction water jets 5 in same circumferential plane spaced 60 degree be all evenly arranged.
Lateral inflow mouth 2 is symmetrical arranged 2 to 4 groups.This example is being symmetrical arranged 2 groups near cylinder bottom.
This example provides shower nozzle combination of entities structure, capsule components 3 and sprayer body parts 4 that this routine hybrid chamber is connected by mutual thread seal combine and form; Center water inlet 1 is positioned at bottom capsule components 3, and lateral inflow mouth 2 is positioned at capsule components 3 sidewall; Central water spray mouth 6 is positioned at center, sprayer body parts 4 front end, and side direction water jet 5 is positioned at sprayer body parts 4 conical surface.
The screw thread be connected with water system is had bottom capsule components 3.
As shown in the figure, shower nozzle has a top center water inlet 1 oblique lateral inflow mouth 2 identical with multiple symmetrically arranged rotation direction, and a central water spray mouth 6 and six side direction water jets 5.The oblique lateral inflow mouth 2 that rotation direction is consistent tangentially becomes 30 degree of angles to enter the mixing eddy flow chamber of shower nozzle with mixing eddy flow cavity wall face, eddy flow is produced in mixing eddy flow chamber, and mix mutually with the direct projection stream of top center water inlet 1, form the swirling motion with strong disturbance, under the axial kinetic energy of top center water inlet 1 promotes, mixing eddy flow finally produces strong collision from 7 nozzle ejections of shower nozzle with air and forms water mists.
The utility model provides the syndeton between a kind of combining structure and parts thereof, the capsule components 3 of shower nozzle mixing eddy flow cavity is connected by thread seal with the sprayer body parts 4 of shower nozzle multiple nozzle body, and multiinjector fine mist spray head entirety is connected with the pressure pipeline internal thread of heavy pressure fine spray system by shower nozzle capsule components 3.
The utility model shower nozzle adopts novel direct projection mixing eddy flow water intake mode, increases radial momentum compared with mixing cyclone mode; Enhance the impact of central shaft to direct projection stream compared with direct projection spiral-flow type, in mixing eddy flow chamber, the mixed effect of turbulent flow is better, improves the turbulent extent in shower nozzle mixing eddy flow chamber.Therefore this kind of water intake mode effectively can expand spray cone angle.This shower nozzle is that saving flow, the production technology of shower nozzle also significantly simplifies by increasing simple nozzle number but not by being realized increasing spraying radius of protection with certain forms combination by multiple nozzle, can significantly reducing shower nozzle volume simultaneously.

Claims (6)

1. a multiinjector fine mist spray head, comprises water inlet, hybrid chamber and water jet, it is characterized in that: described hybrid chamber is made up of front cone and rear cylindrical body; There is the center water inlet arranged vertically at cylinder bottom center, the lateral inflow mouth that cylindrical wall has symmetrically arranged rotation direction identical, and lateral inflow mouth and hybrid chamber circular cylindrical internal surface tangentially become 30 degree of angles; There is the central water spray mouth arranged vertically at center, cone front end, 6 groups of side direction water jets that cone cone surface has uniform intervals to arrange, and side direction water jet center line and central water spray mouth center line are in angle of 45 degrees.
2. multiinjector fine mist spray head according to claim 1, is characterized in that: described 6 groups of side direction water jets in same circumferential plane spaced 60 degree be evenly arranged.
3. multiinjector fine mist spray head according to claim 2, is characterized in that: described lateral inflow mouth is symmetrical arranged 2 to 4 groups.
4. multiinjector fine mist spray head according to claim 3, is characterized in that: described lateral inflow mouth is symmetrical arranged 2 groups near cylinder bottom.
5. the multiinjector fine mist spray head according to any one of Claims 1-4, is characterized in that: the capsule components that described hybrid chamber is connected by mutual thread seal and sprayer body component combination are formed; Described center water inlet is positioned at bottom capsule components, and lateral inflow mouth is positioned at capsule components sidewall; Described central water spray mouth is positioned at sprayer body member forward end center, and side direction water jet is positioned at sprayer body parts conical surface.
6. multiinjector fine mist spray head according to claim 5, is characterized in that: have the screw thread be connected with water system bottom described capsule components.
CN201420868837.3U 2014-12-31 2014-12-31 A kind of multiinjector fine mist spray head Expired - Fee Related CN204395284U (en)

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CN201420868837.3U CN204395284U (en) 2014-12-31 2014-12-31 A kind of multiinjector fine mist spray head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420868837.3U CN204395284U (en) 2014-12-31 2014-12-31 A kind of multiinjector fine mist spray head

Publications (1)

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CN204395284U true CN204395284U (en) 2015-06-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492011A (en) * 2014-12-31 2015-04-08 西华大学 Multi-nozzle water mist spray head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492011A (en) * 2014-12-31 2015-04-08 西华大学 Multi-nozzle water mist spray head

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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: 20150617

Termination date: 20171231

CF01 Termination of patent right due to non-payment of annual fee