CN105880057B - It is a kind of to can be used for buried open flows channel type rotary nozzle - Google Patents
It is a kind of to can be used for buried open flows channel type rotary nozzle Download PDFInfo
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- CN105880057B CN105880057B CN201610474145.4A CN201610474145A CN105880057B CN 105880057 B CN105880057 B CN 105880057B CN 201610474145 A CN201610474145 A CN 201610474145A CN 105880057 B CN105880057 B CN 105880057B
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- Prior art keywords
- water inlet
- nozzle
- inlet pipe
- buried
- conical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G2025/006—Tubular drip irrigation dispensers mounted coaxially within water feeding tubes
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
Abstract
It can be used for buried open flows channel type rotary nozzle the invention discloses a kind of, belong to irrigation equipment field.The spray head includes buried mechanism and sprinkling irrigation mechanism, and sprinkling irrigation mechanism includes water inlet pipe, turntable, connecting column, spin nozzle；The nozzle that spins includes multiple arcs pipeline and conical baffled, curved opening of the arc pipe side wall equipped with longitudinal direction, so that its inner cavity forms open runner；The closed combination of multiple arcs duct bottom, to form the conical lower portion of spin nozzle, conical lower portion is equipped with longitudinal jet hole, radially dissipates at the top of multiple arcs pipeline from conical lower portion；It is connected between the side wall ends of two neighboring arc pipe conical baffled.Each arc pipe distorts predetermined angular around the same direction.Turntable rotationally covers on water inlet pipe, the fixed turntables of multiple connecting columns and it is conical baffled between, longitudinal jet hole is opposite with the upper orifice of water inlet pipe, and water inlet pipe is connected to by buried mechanism with groundwater supply pipeline.The spray head can improve range at low pressures.
Description
Technical field
The present invention relates to irrigation equipment fields, in particular to a kind of to can be used for buried open flows channel type rotary nozzle.
Background technique
Sprinkler irrigation technique is a kind of farmland efficient water-saving irrigation technology, can make water sprinkling uniformly and can reduce artificial labor
Fatigue resistance has a wide range of applications in current farming operation.The prior art mostly uses rotating sprinkler to carry out sprinkling irrigation operation,
Its jeting effect has great importance for the sprinkling efficiency.Thus, it is necessary to provide a kind of rotary nozzle.
The prior art provides such a rotary nozzle, including nozzle, connecting cylinder and rotary shaft, connecting cylinder are opened for lower part
The hollow structure of mouth, rotary shaft are installed in connecting cylinder through bearing, and the upper surface of connecting cylinder is stretched out in upper end, and nozzle is through its underpart
Blind hole is sleeved on one end of stretching connecting cylinder upper surface of rotary shaft, is evenly equipped on nozzle and to be connected with blind hole in the shape of a spiral
Spray-hole is provided with runner in rotary shaft, and runner is connected with blind hole, constitutes the intake tunnel of spray-hole, in connecting cylinder cavity
Rotary shaft side wall on be provided with the permeable hole being connected with runner.
The inventor finds that the existing technology has at least the following problems:
The prior art provide rotary nozzle in runner be it is closed, so will when spray head reaches specific range, need
Operating pressure that will be bigger, in turn results in high energy consumption, in addition, the closed runner be easy to cause blocking, is unfavorable for whole be embedded in
Below arable layer.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that provide one kind can reach at lower operating pressures
More wide range can be used for buried open flows channel type rotary nozzle.Specific technical solution is as follows:
A kind of to can be used for buried open flows channel type rotary nozzle, the rotary nozzle includes being connected with groundwater supply pipeline
Logical buried mechanism, and the sprinkling irrigation mechanism being axially slidably placed in the buried mechanism, the sprinkling irrigation mechanism include:
Water inlet pipe, turntable, connecting column, spin nozzle；
The spin nozzle includes multiple arcs pipeline and multiple conical baffled, along axis on the side wall of the arc pipe
Line direction is provided with the curved opening of a longitudinal direction, so that the inner cavity of the arc pipe forms open runner；Multiple arcs
The bottom of the shape pipeline circumferentially closed combination in direction, to form the conical lower portion of the spin nozzle, while in the taper
A longitudinal jet hole is arranged in bottom；The top of multiple arc pipes is radially dissipated from the conical lower portion；Often
A arc pipe distorts predetermined angular around the same direction, to form eccentric motive force to water flow in the open runner；
Be connected between the side wall ends of the two neighboring arc pipe one it is described conical baffled；
The turntable is rotatably mounted around the water inlet pipe top, and the lower end of multiple connecting columns is fixed on described
On the top surface of turntable, upper end is fixed on the conical baffled bottom surface, and the longitudinal direction jet hole is upper with the water inlet pipe
Nozzle is opposite, and the water inlet pipe is connected by the buried mechanism with the groundwater supply pipeline.
Specifically, the water inlet pipe includes sequentially connected linkage section, changeover portion and main paragraph from top to bottom；
The inner cavity of the linkage section and the main paragraph is cylindrical, and the inner cavity of the changeover portion is in truncated cone-shaped, and
The diameter of the changeover portion inner cavity is by lower from being above gradually reduced；
The internal diameter of the main paragraph is equal with the maximum inner diameter of the changeover portion, the internal diameter of the linkage section and the transition
The minimum diameter of section is equal；
It is provided with a circle groove, on the outer wall of the linkage section to form groove segment, the rotation on the linkage section
The rotating through hole matched with the groove segment is provided on turntable, while the groove segment passes through the rotating through hole.
Preferably, the sprinkling irrigation mechanism further includes skirt steadying plate, it is fixed at the top of the skirt steadying plate described
The bottom of turntable, and the water inlet pipe below the turntable is located inside the skirt steadying plate, at the same it is described into
The central axes of water pipe and the central axes of the skirt steadying plate coincide.
Preferably, the connecting column is hollow connecting column.
Preferably, the spin nozzle includes conical baffled described in arc pipe, at least four described at least four；
Meanwhile the number of the connecting column is at least two.
Specifically, the buried mechanism includes: outer tube, inner tube, lower union joint, is provided on the lower union joint into water
Mouthful；
The lower nozzle of the water inlet pipe and the upper orifice of said inner tube in the sprinkling irrigation mechanism are detachably connected, and institute
It states sprinkling irrigation mechanism and said inner tube is axially slidably sleeved in the outer tube,
The lower union joint is connect with the lower nozzle of the outer tube, while the water inlet, said inner tube, the water inlet pipe
Sequentially it is connected to.
Specifically, described preferably, being provided with the first annular baffle of a circle on the lower nozzle outer peripheral edge of said inner tube
First annular baffle is sealed slidingly against with the inner wall of the outer tube and is contacted；
Second ring baffle of circle is provided on the upper orifice inner peripheral of the outer tube, when said inner tube move up to it is pre-
When positioning is set, the first annular baffle is abutted with second ring baffle.
Preferably, the lower nozzle of the water inlet pipe is threadedly coupled with the upper orifice of said inner tube.
Technical solution provided in an embodiment of the present invention has the benefit that
Open flows channel type rotary nozzle provided in an embodiment of the present invention, when state is irrigate in non-spray, its mechanism that sprays is located at buried
In mechanism, and it is integrally located at arable layer or less.In the state of sprinkling irrigation, water flow will successively by groundwater supply pipeline, water inlet pipe, from
Longitudinal jet hole of the conical lower portion setting of whirl spraying mouth projects, and with the soil of wetted perimeter, and pushes by the way that water flow institute is with pressure
Dynamic sprinkling irrigation mechanism is moved upwards in buried mechanism until being exposed to earth's surface, and then carry out sprinkling irrigation operation.When sprinkling irrigation operation terminates
Afterwards, which is pressed into buried mechanism 1.The sprinkling irrigation mechanism is opened as described above by being formed on spin nozzle
It releases, will inject into each open runner of spin nozzle after water flow is sprayed by the upper orifice of water inlet pipe, due to arc pipe
Predetermined angular is distorted around the same direction, will so make to form eccentric motive force to water flow in open runner, which pushes away
Dynamic turntable is rotated around water inlet pipe, and then the rotary nozzle is made to realize the effect sprayed in rotation.The opening runner is used as and leads
To mechanism, in and there is no the structure for hindering water flow, can not only stationary flow fluidised form, and make it have better atomization
The range of 6-10m can be realized in effect and lower local head loss under the operating pressure of 0.1MPa, energy saving.Together
When, which is not susceptible to block, and its Open Side Down, the sprinkling irrigation mechanism is more conducively made under the cooperation of buried mechanism
It is embedded in arable layer or less.As it can be seen that rotary nozzle provided in an embodiment of the present invention, it is not only adapted to buried, and there is operating pressure
It is low, the advantages that far firing range.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the sectional view provided in an embodiment of the present invention that can be used for buried open flows channel type rotary nozzle；
Fig. 2 be further embodiment of this invention provide can be used in buried open flows channel type rotary nozzle, spray mechanism
Main view；
Fig. 3-1 is that further embodiment of this invention provides, and arc pipe is formed by comparison nozzle when not distorted
Top view；
Fig. 3-2 be further embodiment of this invention provide can be used in buried open flows channel type rotary nozzle, curved pipe
Road forms the top view of spin nozzle after being distorted；
Fig. 4 be further embodiment of this invention provide can be used for buried open flows channel type rotary nozzle in buried state
Structural schematic diagram；
Fig. 5 be further embodiment of this invention provide can be used for buried open flows channel type rotary nozzle in the state of irrigation
Structural schematic diagram.
Appended drawing reference respectively indicates:
1 buried mechanism,
101 outer tubes,
1011 second ring baffles,
102 inner tubes,
1021 first annular baffles,
103 lower union joints,
1031 water inlets,
2 sprinkling irrigation mechanisms,
201 water inlet pipes,
2011 linkage sections,
2012 changeover portions,
2013 main paragraphs,
202 turntables,
203 connecting columns,
204 spin nozzles,
2041 arc pipes,
20411 curved openings,
2042 is conical baffled,
205 skirt steadying plates.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
In a first aspect, can be used for buried open flows channel type rotary nozzle the embodiment of the invention provides a kind of, such as attached drawing 1
Shown, which includes the buried mechanism 1 being connected with groundwater supply pipeline, and is axially slidably placed on buried
Sprinkling irrigation mechanism 2 in mechanism 1, as shown in Fig. 1, the sprinkling irrigation mechanism 2 include: water inlet pipe 201, turntable 202, connecting column 203,
Spin nozzle 204.Further as shown in Fig. 2, which includes multiple arcs pipeline 2041 and multiple conical baffled
2042, the curved opening 20411 of a longitudinal direction is provided on the side wall of arc pipe 2041 along central axes direction, so that curved pipe
The inner cavity in road 2041 forms open runner.The bottom of the multiple arcs pipeline 2041 circumferentially closed combination in direction, to be formed certainly
The conical lower portion of whirl spraying mouth 204, while one longitudinal jet hole is set in the conical lower portion of the spin nozzle 204.Multiple arcs
The top of pipeline 2041 is radially dissipated from the conical lower portion of the spin nozzle 204, and each arc pipe 2041 is around identical
Direction distorts predetermined angular, to form eccentric motive force, the side of two neighboring arc pipe 2041 to water flow in open runner
One conical baffled 2042 is connected between wall end.
Turntable 202 is rotatably mounted around 201 top of water inlet pipe, and the lower end of multiple connecting columns 203 is fixed on turntable
On 202 top surface, upper end is fixed on conical baffled 2042 bottom surface, the longitudinal jet hole and water inlet pipe 201 of the swivel nozzle
Upper orifice it is opposite, meanwhile, water inlet pipe 201 is connected by buried mechanism 1 with groundwater supply pipeline.
Open flows channel type rotary nozzle provided in an embodiment of the present invention, when state is irrigate in non-spray, its mechanism 2 that sprays is located at ground
It buries in mechanism 1, and is integrally located at arable layer or less.In the state of sprinkling irrigation, water flow will be successively by groundwater supply pipeline, water inlet pipe
201, longitudinal jet hole injection that the conical lower portion of nozzle 204 that spins is arranged, with the soil of wetted perimeter, and passes through water flow institute
It is with pressure to push dynamic sprinkling irrigation mechanism 2 and moved upwards in buried mechanism 1 until being exposed to earth's surface, and then carry out sprinkling irrigation operation.Work as spray
After filling operation, which is pressed into buried mechanism 1.
Specifically, the sprinkling irrigation mechanism 2 is by forming runner as described above open on spin nozzle 204, when water flow by
The each open runner that will inject into spin nozzle 204 after the upper orifice injection of water inlet pipe 201, since arc pipe 2041 is around identical
Direction distorts predetermined angular, will so make to form eccentric motive force to water flow in open runner, eccentric pushing powered rotation
Platform 202 is rotated around water inlet pipe 201, and then the rotary nozzle is made to realize the effect sprayed in rotation.The opening runner is used as and leads
To mechanism, in and there is no the structure for hindering water flow, can not only stationary flow fluidised form, and make it have better atomization
The range of 6-10m can be realized in effect and lower local head loss under the operating pressure of 0.1MPa, energy saving.Together
When, which is not susceptible to block, and its Open Side Down, more conducively make the irrigation sprinkler under the cooperation of buried mechanism 1
Structure 2 is embedded in arable layer or less.As it can be seen that rotary nozzle provided in an embodiment of the present invention, it is not only adapted to buried, and there is work pressure
The advantages that power is low, far firing range.
Specifically, as shown in Fig. 2, spin nozzle 204 provided in an embodiment of the present invention includes multiple arcs pipeline 2041
With multiple conical baffled 2042, wherein central axes direction is provided with a longitudinal direction on the side wall of each arc pipe 2041
(curved opening 20411 is it is also understood that cut away 1/3-1/ along its axial direction for a complete curved pipe for curved opening 20411
2 parts and obtain), the top and bottom of the curved opening 20411 extend respectively to the opening of 2041 upper and lower ends of arc pipe,
And be connected with them, at this point, the arc inner cavity formed inside arc pipe 2041 can be used as the opening runner of the spray head.
When forming the spin nozzle 204 using the arc pipe 2041, making the bottom of multiple arcs pipeline 2041, circumferentially direction is sealed
Enclosed is combined together, and is specifically combined together the lateral wall of 2041 bottom middle position of multiple arcs pipeline, and
Each tie point between the bottom of multiple arcs pipeline 2041 is coiled into a small-diameter circular, it can make the spin nozzle 204 at this time
The tapered structure in bottom forms the conical lower portion of spin nozzle 204.And the top of multiple arcs pipeline 2041 is from conical lower portion
Rise radially dissipated by lower from Shangdi, the opening runner formed in multiple arcs pipeline 2041 at this time it is opening down, when
After water flow is ejected from the upper orifice of water inlet pipe 201 corresponding thereto, water flow will be distributed and penetrate around from the conical lower portion
Enter into the opening runner of arc pipe 2041, is flowed from bottom to up in the opening runner, while carrying out spraying operation.By
It is above-mentioned it is found that flowing of the water flow in the opening runner can't be by the obstruction on flow direction, and the opening runner is in
Arcuate structure flows water flow in a manner of smooth steady, guarantees better flow-shape and atomizing effect, maximizes simultaneously
Ground reduces local head loss, so has great importance for improving range and spray area.
In addition, the connection type based on above-mentioned multiple arcs pipeline 2041, by shape between two neighboring arc pipe 2041
Tapered gap, in order to guarantee that water flow will not be flowed out from the subulate slot between them, the embodiment of the present invention is two neighboring
One conical baffled 2042 is connected between the side wall ends of arc pipe 2041, to block the subulate slot.It is understood that
It is to be arranged between the side wall ends of arc pipe 2041 by conical baffled 2042, even if conical baffled 2042 and arc pipe
2041 side wall ends in the same plane, can so guarantee that the water energy come from water inlet pipe 201 is enough sufficiently and as far as possible
Mostly enter in open runner.
Further, to those skilled in the art, by making water flow jet active force generate tangential component, in turn
Come drive nozzle rotation be this field it is common.In embodiments of the present invention, based on the nozzle by multiple arcs pipeline 2041
It constitutes, by making each arc pipe 2041 distort predetermined angular around the same direction, water flow is formed with being opened in runner at it
Eccentric motive force, so will generate eccentric force after the open runner of water flow directive, which will push the spin nozzle 204 to revolve
Turn.Since the spin nozzle 204 is fixed on turntable 202 by connecting column 203, so when the spin nozzle 204 rotation,
It can drive the turntable 202 to rotate around water inlet pipe 201.In order to more intuitively understand arc pipe provided in an embodiment of the present invention
2041 structure, for example, when under non-distorted state, multiple arcs pipeline 2041 is formed by the top view of nozzle such as
Shown in Fig. 3-1, when under twisted state, multiple arcs pipeline 2041 is formed by spin nozzle provided in an embodiment of the present invention
Top view as shown in figure 3-2.To those skilled in the art, will easily come to obtain suitable eccentric motive force
Distortion processing is carried out to arc pipe 2041.Preferably, in order to obtain longer range, it can be apart from arc pipe 2041
Bottom 1/5-1/3 pipe range position at clockwise or counterclockwise distortion 10 ° -30 ° so that water flow is at this location
It can be sprayed by eccentric motive force, and then with longer range.
In order to improve water distribution uniformity, which includes at least four arc pipe 2041, at least four taper gear
Plate 2042, and at least four arc pipe 2041 is uniformly distributed, meanwhile, the number of connecting column 2033 is at least two.With Fig. 3-2
For example, which includes 6 arc pipes 2041 and 6 conical baffled 2042, meanwhile, connecting column 2033
Number is 3, wherein arc pipe 2041 there are two being evenly distributed between two neighboring connecting column 2033, to guarantee the spin
Stability when nozzle 204 rotates.
In embodiments of the present invention, water inlet pipe 201 is as water inlet water flowing component, in the tubular structure of both ends open, as
It is preferred that as shown in Fig. 1, which includes sequentially connected linkage section 2011, changeover portion 2012 and main body from top to bottom
Section 2013；The inner cavity of linkage section 2011 and main paragraph 2013 is cylindrical, and the inner cavity of changeover portion 2012 is in truncated cone-shaped, and mistake
The diameter of 2012 inner cavity of section is crossed by lower from being above gradually reduced.Wherein, the most imperial palace of the internal diameter of main paragraph 2013 and changeover portion 2012
Diameter is equal, and the internal diameter of linkage section 2011 is equal with the minimum diameter of changeover portion 2012.It can be seen from the above, 201 inner cavity of water inlet pipe
Diameter by reducing the diameter of water flow, the jet-action power of Lai Tigao water flow, and then improves water flow from lower from being above gradually reduced
Range.Further, a circle groove is provided on the outer wall of linkage section 2011, to form groove segment on linkage section 2011,
The rotating through hole matched with groove segment is provided on turntable 202, while groove segment passes through rotating through hole.Wherein, turntable
The internal diameter of rotating through hole is slightly larger than the outer diameter of groove segment on 202, can so be convenient for the rotation of turntable 202, meanwhile, the linkage section
2011 outer diameter is all larger than rotating through hole on turntable 202, so that the turntable 202 steadily covers on groove segment.
Preferably, in embodiments of the present invention, turntable 202 is circular plate type structure, in order to guarantee that the turntable 202 exists
Stability when rotation, as shown in attached drawing 1 and attached drawing 2, which further includes skirt steadying plate 205, skirt steadying plate 205
Top be fixed on the bottom of turntable 202, and the water inlet pipe 201 of 202 lower section of turntable is located at the skirt steadying plate 205
In internal cavity, while the central axes of water inlet pipe 201 and the central axes of skirt steadying plate 205 coincide.
In embodiments of the present invention, connecting column 203 is preferably hollow connecting column, so that the spray head lightweight, and then be convenient for
Make the injection stream of irrigation water that spin nozzle 204 easily be pushed to rotate.Further, it is preferable to by by hollow connecting column 203
On from chamferring lowerly so that hollow connecting column 203 forms symmetrical inclined-plane hollow cylinder, in use, making the inclined-plane
The small arc end connection conical baffled 2042 of hollow cylinder, while the big arc end of the inclined-plane hollow cylinder being made to connect turntable
202, it so not only further reduced the weight of the rotary nozzle, while also assuring branch of the connecting column 203 as supporter
Support stability.
Based on it is above-mentioned it is found that in rotary nozzle provided in an embodiment of the present invention spray mechanism 2 each component, especially spin
Nozzle 204, connecting column 203 and turntable 202 are preferably prepared using light material.Preferably, the material of the rotary nozzle
Matter is high-strength polymer material, such as Nomex, polyimides, ultra-high molecular weight polyethylene, polypropylene, polycarbonate, poly-
Styrene etc..By selecting above-mentioned material, it can bring the advantages described below: first aspect can significantly reduce rotary nozzle
Weight, spin under the impetus of irrigation water convenient for it, second aspect can guarantee the intensity of rotary nozzle, improve
Its service life, the third aspect, rustproof property is significant, will not corrode because of Long Term Contact irrigation water.
Specifically, in embodiments of the present invention, as shown in Fig. 1, the buried mechanism 1 include: outer tube 101, inner tube 102,
Lower union joint 103, wherein water inlet 1031 is provided on lower union joint 103.The lower nozzle of the water inlet pipe 201 of the sprinkling irrigation mechanism 2
It is detachably connected with the upper orifice of inner tube 102, and the sprinkling irrigation mechanism 2 and inner tube 102 are axially slidably sleeved on outer tube 101
It is interior；Lower union joint 103 is connect with the lower nozzle of outer tube 101, at the same water inlet 1031 on lower union joint 103, inner tube 102, into
Water pipe 201 is sequentially connected to.
As shown in Fig. 4, in non-irrigation state, which is embedded in arable layer soil below, while the ground
Bury inner tube 102 in mechanism 1 and sprinkling irrigation mechanism 2 be respectively positioned in outer tube 101, and the lower union joint 103 in the buried mechanism 1 with
Groundwater supply pipeline is connected.
When carrying out irrigation operation, firstly, there is the irrigation water of pressure successively by groundwater supply pipeline, water inlet pipe 201, from whirl spraying
Longitudinal jet hole of the conical lower portion setting of mouth 204 projects, the soil of wetted perimeter, in order to 204 side of the nozzle rotation that makes to spin
Side uplink cuts the soil at the top of it.Meanwhile there is pressure irrigation water that inner tube 102 is pushed to move upwards in outer tube 101, and then push
The sprinkling irrigation mechanism 2 is moved upwards in buried mechanism 1 more than its complete top ground, the knot of the rotary nozzle under the state
Structure can be found in attached drawing 5.When the mechanism 2 that sprays is fully exposed to earth's surface or more, since there is no the resistances of soil, water flow will at this time
It freely descends water supply line, water inlet pipe 201 to inject in the opening runner of spin nozzle 204, makes the spin nozzle 204 in rotation
Carry out spraying operation.Rotary nozzle provided in an embodiment of the present invention can reach bigger range under lesser operating pressure,
Such as the range of 6-10m can be realized under the operating pressure of 0.1MPa, it is energy saving.Moreover, the rotary nozzle is in non-irrigation
Arable layer can be embedded in when state hereinafter, will not influence farming.Its structure is simple, easy to operate, is convenient for large-scale promotion application.
It is understood that in embodiments of the present invention, longitudinal jet hole of the conical lower portion setting of spin nozzle 204 is only
Be only used for making in buried state water flow to form jet stream, and then the soil of wetted perimeter, and mechanism to be sprayed 2 be located at earth's surface with
Afterwards, because of resistance without soil, water flow, which will be tended to enter without hindrance opening runner, to be sprayed, without vertical from this
It is projected into jet hole.The longitudinal direction jet hole is located at the path that each tie point between the bottom of multiple arcs pipeline 2041 is coiled into
Circular the center point, and part of the conical lower portion of the spin nozzle 204 other than the longitudinal direction jet hole is closed.
The size of jet hole is determined according to the specification size of rotary nozzle, in general, the internal diameter of jet hole is 1-5mm, preferably
1-3mm。
Further, as shown in Fig. 1, the first annular baffle of a circle is provided on the lower nozzle outer peripheral edge of inner tube 102
1021, first annular baffle 1021 is sealed slidingly against with the inner wall of outer tube 101 to be contacted；On the upper orifice inner peripheral of outer tube 101
It is provided with second ring baffle of circle 1011；When inner tube 102 moves up to predetermined position (when moving up to the upper limit),
First annular baffle 1021 is abutted with the second ring baffle 1011.The first annular baffle 1021 not only may be implemented to block
It places water flow and enters wherein in gap between inner tube 102 and outer tube 101, it is often more important that, it can be with the second ring baffle
1011 offset cooperation, to limit to inner tube 102, its are prevented to be detached from outer tube 101.
In addition, in rotary nozzle provided in an embodiment of the present invention, the lower nozzle of water inlet pipe 201 and the upper tube of inner tube 102
Mouth is detachably connected, in order to replace or safeguard rotary nozzle.Preferably, the lower nozzle of water inlet pipe 201 and inner tube 102
Upper orifice is threadedly coupled.The threaded connection can by being arranged external screw thread on the outer wall of the lower nozzle of water inlet pipe 201, while
Compatible with external screw thread internal screw thread is set on the inner wall of the upper orifice of inner tube 102 to realize, alternatively, can also by into
Internal screw thread is set on the inner wall of the lower nozzle of water pipe 201, while setting and the internal screw thread on the outer wall of the upper orifice in inner tube 102
Compatible external screw thread is realized.
The foregoing is merely presently preferred embodiments of the present invention, the protection scope being not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (5)
1. a kind of can be used for buried open flows channel type rotary nozzle, which is characterized in that the rotary nozzle includes supplying with underground
The buried mechanism that waterpipe is connected, and the sprinkling irrigation mechanism being axially slidably placed in the buried mechanism, the spray
Filling mechanism includes: water inlet pipe, turntable, connecting column, spin nozzle, and the sprinkling irrigation mechanism is prepared using light material；
The spin nozzle includes multiple arcs pipeline and multiple conical baffled, along central axes side on the side wall of the arc pipe
To the curved opening for being provided with a longitudinal direction, so that the inner cavity of the arc pipe forms open runner；Multiple curved pipes
The bottom in the road circumferentially closed combination in direction, to form the conical lower portion of the spin nozzle, while in the conical lower portion
One longitudinal jet hole is set；The top of multiple arc pipes is radially dissipated from the conical lower portion；Each institute
It states arc pipe and distorts predetermined angular around the same direction, to form eccentric motive force to water flow in the open runner；It is adjacent
Be connected between the side wall ends of two arc pipes one it is described conical baffled；
The turntable is rotatably mounted around the water inlet pipe top, and the lower end of multiple connecting columns is fixed on the rotation
On the top surface of platform, upper end is fixed on the conical baffled bottom surface, the upper orifice of the longitudinal direction jet hole and the water inlet pipe
Relatively, the water inlet pipe is connected by the buried mechanism with the groundwater supply pipeline,
The water inlet pipe includes sequentially connected linkage section, changeover portion and main paragraph from top to bottom；
The inner cavity of the linkage section and the main paragraph is cylindrical, and the inner cavity of the changeover portion is in truncated cone-shaped, and described
The diameter of changeover portion inner cavity is by lower from being above gradually reduced；
The internal diameter of the main paragraph is equal with the maximum inner diameter of the changeover portion, the internal diameter of the linkage section and the changeover portion
Minimum diameter is equal；
It is provided with a circle groove, on the outer wall of the linkage section to form groove segment, the turntable on the linkage section
On be provided with the rotating through hole matched with the groove segment, while the groove segment passes through the rotating through hole,
The sprinkling irrigation mechanism further includes skirt steadying plate, and the bottom of the turntable is fixed at the top of the skirt steadying plate,
And the water inlet pipe below the turntable is located inside the skirt steadying plate, at the same the central axes of the water inlet pipe with
The central axes of the skirt steadying plate coincide,
The connecting column is hollow connecting column.
2. rotary nozzle according to claim 1, which is characterized in that the spin nozzle includes arc described at least four
It is conical baffled described in pipeline, at least four；
Meanwhile the number of the connecting column is at least two.
3. rotary nozzle according to claim 1, which is characterized in that the buried mechanism includes: outer tube, inner tube, lower company
Connector is provided with water inlet on the lower union joint；
The lower nozzle of the water inlet pipe and the upper orifice of said inner tube in the sprinkling irrigation mechanism are detachably connected, and the spray
It fills mechanism and said inner tube is axially slidably sleeved in the outer tube,
The lower union joint is connect with the lower nozzle of the outer tube, while the water inlet, said inner tube, the water inlet pipe are sequentially
Connection.
4. rotary nozzle according to claim 3, which is characterized in that be provided on the lower nozzle outer peripheral edge of said inner tube
The one first annular baffle of circle, the first annular baffle is sealed slidingly against with the inner wall of the outer tube to be contacted；
Second ring baffle of circle is provided on the upper orifice inner peripheral of the outer tube, when said inner tube moves up to pre-determined bit
When setting, the first annular baffle is abutted with second ring baffle.
5. rotary nozzle according to claim 3, which is characterized in that the lower nozzle of the water inlet pipe and said inner tube it is upper
Nozzle is threadedly coupled.
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| CN201610474145.4A CN105880057B (en) | 2016-06-24 | 2016-06-24 | It is a kind of to can be used for buried open flows channel type rotary nozzle |
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| CN105880057B true CN105880057B (en) | 2019-08-13 |
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| CN106622712A (en) * | 2016-12-27 | 2017-05-10 | 安徽艾瑞德农业装备股份有限公司 | Special self-sway micro-sprinkler for water-saving sprinkling irrigation machine |
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| CN111657116A (en) * | 2020-07-20 | 2020-09-15 | 郑振科 | Agricultural land surface sprinkler |
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| CN105880057A (en) | 2016-08-24 |
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Effective date of registration: 20221116 Address after: No. 60, Guang'anmen South Street, Xuanwu District, Xicheng District, Beijing 100032 Patentee after: CHINA IRRIGATION AND DRAINAGE DEVELOPMENT CENTER Patentee after: Beijing runhuanong Water Technology Development Co.,Ltd. Patentee after: IN IRRIGATION RUN YIN OF WATER-SAVING IRRIGATION EQUIPMENT (BEIJING) CO.,LTD. Address before: 100054 No. 60 Guang'anmen South Street, Xicheng District, Beijing Patentee before: CHINA IRRIGATION AND DRAINAGE DEVELOPMENT CENTER Patentee before: CHINA GREEN WATER INTERNATIONAL CONSULTING CO.,LTD. Patentee before: IN IRRIGATION RUN YIN OF WATER-SAVING IRRIGATION EQUIPMENT (BEIJING) CO.,LTD. |
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