CN205128215U - Centrifugal agricultural atomizer shower nozzle in tangential of two orifice pieces - Google Patents

Centrifugal agricultural atomizer shower nozzle in tangential of two orifice pieces Download PDF

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Publication number
CN205128215U
CN205128215U CN201520936171.5U CN201520936171U CN205128215U CN 205128215 U CN205128215 U CN 205128215U CN 201520936171 U CN201520936171 U CN 201520936171U CN 205128215 U CN205128215 U CN 205128215U
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China
Prior art keywords
spray nozzle
nozzle sheet
sprayer body
processed
spray
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Expired - Fee Related
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CN201520936171.5U
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Chinese (zh)
Inventor
蔡宗寿
张霞
陈丽红
熊林
陈立畅
张国帅
杨飞
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Yunnan Agricultural University
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Yunnan Agricultural University
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Priority to CN201520936171.5U priority Critical patent/CN205128215U/en
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Abstract

The utility model discloses a centrifugal agricultural atomizer shower nozzle in tangential of two orifice pieces, including being provided with liquid inlet channel's feed liquor coupling and showerhead body, the feed liquor coupling is connected with the showerhead body tangential, and liquid inlet channel and showerhead body's inner chamber is tangent, two orifice pieces are installed to showerhead body's the intracavity that spouts, will spout the chamber and separate into mixed flow room and minor air cell. The utility model discloses an adopting two orifice chip architectures, spouting the chamber to the tradition and cut apart into minor air cell and mixing chamber, high -speed liquid medicine can cushion in the minor air cell through the mixing chamber blowout, and the medicine hydraulic pressure force reduce, and droplet speed slows down, and the increase of gained spraying diameter can effectively reduce the drift, reduces the harm of pesticide drift to causing to ecological environment and human health. And sprinkler structure is compact, the reliable operation, easy dismounting, applicable in manual sprayer and various self -propelled spout medicine machinery on, have high economic nature and practicality, popularize and apply worth higher.

Description

The tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet
Technical field
The utility model belongs to agricultural spray device technical field, is specifically related to the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet.
Background technology
Spray drift is one of major reason causing China's agricultural environment pollution, and the most direct effective method solving spray drift is exactly the anti-drift performance improving atomization member and shower nozzle.Knapsack sprayer is that the most widely used chemical pesticide of China sprays apparatus, and tangential centrifugal sprinkler is topmost workpiece on knapsack sprayer, and its anti-drift ability directly affects agricultural chemicals drift value.Domestic and international research shows, when spraying droplet diameter is less than 150 μm, spraying droplet very easily produces drift.At present, the common tangential centrifugal sprinkler structure of China is comparatively simple, and kind is comparatively single, and be that the mist of 100 ~ 200 μm drips to produce fogdrop diameter, the droplet amount wherein very easily producing drift accounts for more than 30 ~ 50% of total spray amount.A large amount of agricultural chemicals floats in air, polluted source and soil, causes huge harm to ecological environment and human health.Therefore, by changing nozzle structure, develop a kind ofly can improve spraying droplet diameter, the tangential centrifugal farm mister head that effectively reduces agricultural chemicals drift is desirability.
Summary of the invention
The purpose of this utility model is to provide a kind of tangential centrifugal farm mister head that can improve spraying droplet diameter, effectively reduce agricultural chemicals drift.
The purpose of this utility model is achieved in that the feed tube joint and sprayer body that comprise and be provided with feed pathway, and described feed tube joint is tangentially connected with sprayer body, and the inner chamber of feed pathway and sprayer body is tangent; The opening end of sprayer body is provided with sprinkler cap, the outboard end of sprinkler cap is provided with the second spray nozzle sheet, second spray nozzle sheet is processed multiple loose spray orifice, sprayer body, sprinkler cap and the second spray nozzle sheet composition spray chamber, the first spray nozzle sheet is provided with in spray chamber, spray chamber is separated into mixed flow room and minor air cell by the first spray nozzle sheet, and the center of the first spray nozzle sheet is processed with main jet hole.
Further, described sprinkler cap comprises little cylinder and large cylinder, and little cylinder opening end inwall is processed with secondary sealing area, and little cylinder and large cylinder junction inwall are processed with primary sealing area, sprayer body outer wall epimere is processed with external screw thread, and large cylinder inwall is processed with the internal thread coordinated with sprayer body outer wall; First spray nozzle sheet is arranged on primary sealing area, and the second spray nozzle sheet is arranged on secondary sealing area, is provided with packing ring between the first spray nozzle sheet and sprayer body end face, is provided with gasket ring between the second spray nozzle sheet and the first spray nozzle sheet.
Further, described sprinkler cap comprises little cylinder and large cylinder, and the first spray nozzle sheet is connected with little cylinder end winding support, and sprayer body outer wall epimere is processed with external screw thread, and large cylinder inwall is processed with the internal thread coordinated with sprayer body outer wall; Large cylinder and little cylinder connection side bottom interior wall are processed with primary sealing area, and the first spray nozzle sheet is arranged on primary sealing area, is provided with packing ring 5 between the first spray nozzle sheet and sprayer body end face, for being threaded between large cylinder with little cylinder.
Further, the center of described minor air cell is provided with sprinkler core, and sprinkler core is the large end frustum of a cone down, and frustum of a cone top center and main jet hole align.In the upside of sprinkler core, the kuppe concentric with sprinkler core is installed.Described sprayer body inwall is provided with lining, and kuppe is fixedly mounted on lining by gusset.The outer wall of described sprinkler core is processed with helicla flute.Described spiral fluted cross section can be grooved, V-type or semi-circular.
Further, when described feed tube joint and sprayer body are installed, the angle between feed tube connector center line and sprayer body cross section is 0 ~ 5 degree.
The utility model is by adopting two spray orifice piece structure, traditional spray chamber is divided into minor air cell and mixing chamber, high speed liquid is buffered in minor air cell to be sprayed through mixing chamber, liquid pressure reduces, droplet velocities slows down, gained spray diameter increases, and effectively can reduce drift, reduces agricultural chemicals drift to the harm caused ecological environment and human health.And nozzle structure is compact, reliable operation, easy accessibility, be applicable on hand sprayer and various self-propelled sprayer machine, have high economy and practicality, application value is higher.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the overall structure schematic diagram of the utility model embodiment 2;
Fig. 3 is the overall structure schematic diagram of the utility model embodiment 3;
In figure: 1-feed tube joint, 2-feed pathway, 3-sprayer body, 4-sprinkler cap, 41-secondary sealing area, the little cylinder of 42-, 43-primary sealing area, the large cylinder of 44-, 5-packing ring, 6-first spray nozzle sheet, 7-gasket ring, 8-second spray nozzle sheet, 9-falls apart spray orifice, 10-mixed flow room, 11-main jet hole, 12-minor air cell, 13-sprinkler core, 14-kuppe, 15-gusset, 16-lining, 17-helicla flute.
Detailed description of the invention
Be further described the utility model below in conjunction with accompanying drawing, but limited the utility model never in any form, any change done based on the utility model training centre or improvement, all belong to protection domain of the present utility model.
embodiment 1:
As shown in Figure 1, the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet described in the utility model, comprise the feed tube joint 1 and sprayer body 3 that are provided with feed pathway 2, described feed tube joint 1 is tangentially connected with sprayer body 3, and feed pathway 2 is tangent with the inner chamber of sprayer body 3; The opening end of sprayer body 3 is provided with sprinkler cap 4, the outboard end of sprinkler cap 4 is provided with the second spray nozzle sheet 8, second spray nozzle sheet 8 processes multiple loose spray orifice 9, the aperture of loose spray orifice 9 is generally 0.2-2mm, loose spray orifice 9 quantity is 2-50, according to the size of circulation, be distributed on the second spray nozzle sheet 8; Sprayer body 3, sprinkler cap 4 and the second spray nozzle sheet 8 form spray chamber, the first spray nozzle sheet 6 is provided with in spray chamber, the center that spray chamber is separated into mixed flow room 10 and minor air cell 12, first spray nozzle sheet 6 by the first spray nozzle sheet 6 is processed with main jet hole 11, and the aperture in main jet hole 11 is generally 1-6mm.Described sprinkler cap 4 comprises little cylinder 42 and large cylinder 44, little cylinder 42 opening end inwall is processed with secondary sealing area 41, little cylinder 42 and large cylinder 44 junction inwall are processed with primary sealing area 43, and sprayer body 3 outer wall epimere is processed with external screw thread, and large cylinder 44 inwall is processed with the internal thread coordinated with sprayer body 3 outer wall; First spray nozzle sheet 6 is arranged on primary sealing area 43, and the second spray nozzle sheet 8 is arranged on secondary sealing area 41, is provided with packing ring 5 between the first spray nozzle sheet 6 and sprayer body 3 end face, is provided with gasket ring 7 between the second spray nozzle sheet 8 and the first spray nozzle sheet 6.The center of described minor air cell 12 is provided with sprinkler core 13, and sprinkler core 13 is the large end frustum of a cone down, and frustum of a cone top center and main jet hole 11 align.
During work, liquid is under the effect of nebulizer pressure, feed pathway 2 is entered into by feed tube joint 1, high velocity liquid stream enters minor air cell 12 along chute by tangential direction, sprinkler core 13 high-speed screw around taper moves, and when close to the first spray nozzle sheet 6, radius of turn reduces, flowing velocity is accelerated, and is ejected to mixed flow room 10 from the tapered scattering in main jet hole 11 at the first spray nozzle sheet 6 center.Because mixed flow room 10 volume is comparatively large, liquid pressure reduces, and droplet velocities slows down, and fine mist is due to mutual collision, and cohesion becomes the larger droplet of diameter, is sprayed, be attached on crops by the multiple loose spray orifice 9 of the second spray orifice 8.
embodiment 2:
As shown in Figure 2, the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet described in the utility model, comprise the feed tube joint 1 and sprayer body 3 that are provided with feed pathway 2, it is characterized in that: described feed tube joint 1 is tangentially connected with sprayer body 3, feed pathway 2 is tangent with the inner chamber of sprayer body 3; The opening end of sprayer body 3 is provided with sprinkler cap 4, the outboard end of sprinkler cap 4 is provided with the second spray nozzle sheet 8, second spray nozzle sheet 8 processes multiple loose spray orifice 9, sprayer body 3, sprinkler cap 4 and the second spray nozzle sheet 8 form spray chamber, the first spray nozzle sheet 6 is provided with in spray chamber, the center that spray chamber is separated into mixed flow room 10 and minor air cell 12, first spray nozzle sheet 6 by the first spray nozzle sheet 6 is processed with main jet hole 11.Described sprinkler cap 4 comprises little cylinder 42 and large cylinder 44, first spray nozzle sheet 6 is connected with little cylinder 42 end winding support, and sprayer body 3 outer wall epimere is processed with external screw thread, and large cylinder 44 inwall is processed with the internal thread coordinated with sprayer body 3 outer wall; Large cylinder 44 and little cylinder 42 connection side bottom interior wall are processed with primary sealing area 43, and the first spray nozzle sheet 6 is arranged on primary sealing area 43, is provided with packing ring 5 between the first spray nozzle sheet 6 and sprayer body 3 end face, for being threaded between large cylinder 44 with little cylinder 42.The center of described minor air cell 12 is provided with sprinkler core 13, and sprinkler core 13 is the large end frustum of a cone down, and frustum of a cone top center and main jet hole 11 align.
During work, liquid is under the effect of nebulizer pressure, feed pathway 2 is entered into by feed tube joint 1, high velocity liquid stream enters minor air cell 12 along chute by tangential direction, sprinkler core 13 high-speed screw around taper moves, and when close to the first spray nozzle sheet 6, radius of turn reduces, flowing velocity is accelerated, and is ejected to mixed flow room 10 from the tapered scattering in main jet hole 11 at the first spray nozzle sheet 6 center.Because mixed flow room 10 volume is comparatively large, liquid pressure reduces, and droplet velocities slows down, and fine mist is due to mutual collision, and cohesion becomes the larger droplet of diameter, is sprayed, be attached on crops by the multiple loose spray orifice 9 of the second spray orifice 8.
embodiment 3:
As shown in Figure 3, the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet described in the utility model, comprise the feed tube joint 1 and sprayer body 3 that are provided with feed pathway 2, described feed tube joint 1 is tangentially connected with sprayer body 3, and feed pathway 2 is tangent with the inner chamber of sprayer body 3; The opening end of sprayer body 3 is provided with sprinkler cap 4, the outboard end of sprinkler cap 4 is provided with the second spray nozzle sheet 8, second spray nozzle sheet 8 processes multiple loose spray orifice 9, sprayer body 3, sprinkler cap 4 and the second spray nozzle sheet 8 form spray chamber, the first spray nozzle sheet 6 is provided with in spray chamber, the center that spray chamber is separated into mixed flow room 10 and minor air cell 12, first spray nozzle sheet 6 by the first spray nozzle sheet 6 is processed with main jet hole 11.Described sprinkler cap 4 comprises little cylinder 42 and large cylinder 44, little cylinder 42 opening end inwall is processed with secondary sealing area 41, little cylinder 42 and large cylinder 44 junction inwall are processed with primary sealing area 43, and sprayer body 3 outer wall epimere is processed with external screw thread, and large cylinder 44 inwall is processed with the internal thread coordinated with sprayer body 3 outer wall; First spray nozzle sheet 6 is arranged on primary sealing area 43, and the second spray nozzle sheet 8 is arranged on secondary sealing area 41, is provided with packing ring 5 between the first spray nozzle sheet 6 and sprayer body 3 end face, is provided with gasket ring 7 between the second spray nozzle sheet 8 and the first spray nozzle sheet 6.The center of described minor air cell 12 is provided with sprinkler core 13, and sprinkler core 13 is the large end frustum of a cone down, and frustum of a cone top center and main jet hole 11 align.In the upside of sprinkler core 13, the kuppe 14 concentric with sprinkler core 13 is installed.Described sprayer body 3 inwall is provided with lining 16, and kuppe 14 is fixedly mounted on lining 16 by gusset 15.The outer wall of described sprinkler core 13 is processed with helicla flute 17.The cross section of described helicla flute 17 can be grooved, V-type or semi-circular.When described feed tube joint 1 is installed with sprayer body 3, the angle between feed tube joint 1 center line and sprayer body 3 cross section is 0 ~ 5 degree.
During work, liquid is under the effect of nebulizer pressure, feed pathway 2 is entered into by feed tube joint 1, high velocity liquid stream enters minor air cell 12 along chute by tangential direction, sprinkler core 13 high-speed screw around taper moves, and when close to the first spray nozzle sheet 6, radius of turn reduces, flowing velocity is accelerated, and is ejected to mixed flow room 10 from the tapered scattering in main jet hole 11 at the first spray nozzle sheet 6 center.Kuppe 14 effectively can promote that liquid enters mixed flow room 10 from minor air cell 12; Helicla flute 17 can help to form stable eddy flow, promotes that liquid enters mixed flow room 10 from minor air cell 12; Being obliquely installed of feed tube joint 1, also can promote the liquid flow of minor air cell 12 further, form good eddy current effect.Because mixed flow room 10 volume is comparatively large, liquid pressure reduces, and droplet velocities slows down, and fine mist is due to mutual collision, and cohesion becomes the larger droplet of diameter, is sprayed, be attached on crops by the multiple loose spray orifice 9 of the second spray orifice 8.Because spray diameter increases, effectively can reduce drift, reduce agricultural chemicals drift to the harm caused ecological environment and human health.In addition, the utility model compact conformation, reliable operation, has high economy and practicality.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (9)

1. the tangential centrifugal farm mister head of a two spray nozzle sheet, comprise the feed tube joint (1) and sprayer body (3) that are provided with feed pathway (2), it is characterized in that: described feed tube joint (1) is tangentially connected with sprayer body (3), feed pathway (2) is tangent with the inner chamber of sprayer body (3); The opening end of sprayer body (3) is provided with sprinkler cap (4), the outboard end of sprinkler cap (4) is provided with the second spray nozzle sheet (8), the multiple loose spray orifice (9) of the upper processing of second spray nozzle sheet (8), sprayer body (3), sprinkler cap (4) and the second spray nozzle sheet (8) composition spray chamber, the first spray nozzle sheet (6) is provided with in spray chamber, spray chamber is separated into mixed flow room (10) and minor air cell (12) by the first spray nozzle sheet (6), and the center of the first spray nozzle sheet (6) is processed with main jet hole (11).
2. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet according to claim 1, it is characterized in that: described sprinkler cap (4) comprises little cylinder (42) and large cylinder (44), little cylinder (42) opening end inwall is processed with secondary sealing area (41), little cylinder (42) and large cylinder (44) junction inwall are processed with primary sealing area (43), sprayer body (3) outer wall epimere is processed with external screw thread, and large cylinder (44) inwall is processed with the internal thread coordinated with sprayer body (3) outer wall; First spray nozzle sheet (6) is arranged on primary sealing area (43), second spray nozzle sheet (8) is arranged on secondary sealing area (41), packing ring (5) is installed between the first spray nozzle sheet (6) and sprayer body (3) end face, gasket ring (7) is installed between the second spray nozzle sheet (8) and the first spray nozzle sheet (6).
3. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet according to claim 1, it is characterized in that: described sprinkler cap (4) comprises little cylinder (42) and large cylinder (44), first spray nozzle sheet (6) is connected with little cylinder (42) end winding support, sprayer body (3) outer wall epimere is processed with external screw thread, and large cylinder (44) inwall is processed with the internal thread coordinated with sprayer body (3) outer wall; Large cylinder (44) and little cylinder (42) connection side bottom interior wall are processed with primary sealing area (43), first spray nozzle sheet (6) is arranged on primary sealing area (43), packing ring (5) is installed, for being threaded between large cylinder (44) with little cylinder (42) between the first spray nozzle sheet (6) and sprayer body (3) end face.
4. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet as claimed in any of claims 1 to 3, it is characterized in that: the center of described minor air cell (12) is provided with sprinkler core (13), sprinkler core (13) is the large end frustum of a cone down, and frustum of a cone top center and main jet hole (11) align.
5. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet according to claim 4, is characterized in that: be provided with the kuppe (14) concentric with sprinkler core (13) in the upside of sprinkler core (13).
6. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet according to claim 5, it is characterized in that: described sprayer body (3) inwall is provided with lining (16), kuppe (14) is fixedly mounted on lining (16) by gusset (15).
7. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet according to claim 4, is characterized in that: the outer wall of described sprinkler core (13) is processed with helicla flute (17).
8. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet according to claim 7, is characterized in that: the cross section of described helicla flute (17) can be grooved, V-type or semi-circular.
9. the tangential centrifugal farm mister head of a kind of pair of spray nozzle sheet as claimed in any of claims 1 to 3, it is characterized in that: when described feed tube joint (1) and sprayer body (3) are installed, the angle between feed tube joint (1) center line and sprayer body (3) cross section is 0 ~ 5 degree.
CN201520936171.5U 2015-11-23 2015-11-23 Centrifugal agricultural atomizer shower nozzle in tangential of two orifice pieces Expired - Fee Related CN205128215U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289863A (en) * 2015-11-23 2016-02-03 云南农业大学 Tangential centrifugal agricultural sprayer nozzle with two spraying hole sheets
CN107148857A (en) * 2017-06-25 2017-09-12 花王生态工程股份有限公司 A kind of afforestation irrigation system
CN109876938A (en) * 2017-12-06 2019-06-14 天长市金陵电子有限责任公司 A kind of electrostatic powder coating spray gun

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289863A (en) * 2015-11-23 2016-02-03 云南农业大学 Tangential centrifugal agricultural sprayer nozzle with two spraying hole sheets
CN107148857A (en) * 2017-06-25 2017-09-12 花王生态工程股份有限公司 A kind of afforestation irrigation system
CN109876938A (en) * 2017-12-06 2019-06-14 天长市金陵电子有限责任公司 A kind of electrostatic powder coating spray gun

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160406

Termination date: 20161123