Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that one is at lower operating pressures
Can reach more wide range can be used for buried open flows channel type rotary nozzle.Concrete technical scheme is as follows:
A kind of can be used for buried open flows channel type rotary nozzle, described rotary nozzle includes and groundwater supply pipe
The buried mechanism that road is connected, and axially slidably it is placed on the sprinkling irrigation mechanism in described buried mechanism,
Described sprinkling irrigation mechanism includes: water inlet pipe, turntable, connection post, spin nozzle；
Described spin nozzle includes multiple arc pipe and multiple conical baffled, on the sidewall of described arc pipe
The arc opening of a longitudinal direction it is provided with, so that the inner chamber of described arc pipe forms opening along direction, axis
Runner；The closed combination in circumferentially direction, bottom of multiple described arc pipes, to form described spin nozzle
Conical lower portion, simultaneously one longitudinal jet orifice is set in described conical lower portion；Multiple described arc pipes
Top radially dissipates from described conical lower portion；Each described arc pipe is predetermined around equidirectional distortion
Angle, to form eccentric pushing power to current in described open runner；Adjacent two described arc pipes
Between side wall ends connect have one described conical baffled；
Described turntable is rotatably mounted around described water inlet pipe top, and the lower end of multiple described connection posts is fixed
On the end face of described turntable, upper end is fixed on described conical baffled bottom surface, described longitudinal jet orifice
Relative with the upper orifice of described water inlet pipe, described water inlet pipe is by described buried mechanism and described underground water inlet pipe
Road is connected.
Specifically, described water inlet pipe includes linkage section, changeover portion and the main paragraph being sequentially connected with from top to bottom；
The inner chamber of described linkage section and described main paragraph is all in cylinder, and the inner chamber of described changeover portion is truncated cone-shaped,
And the diameter of described changeover portion inner chamber by lower from be gradually reduced；
The internal diameter of described main paragraph is equal with the maximum inner diameter of described changeover portion, the internal diameter of described linkage section and institute
The minimum diameter stating changeover portion is equal；
The outer wall of described linkage section is provided with a circle groove, to form groove segment on described linkage section,
Being provided with the rotation through hole matched with described groove segment on described turntable, the most described groove segment passes institute
State rotation through hole.
As preferably, described sprinkling irrigation mechanism also includes that skirt steadying plate, the top of described skirt steadying plate are fixed
Described water inlet pipe below the bottom of described turntable, and described turntable is positioned at described skirt steadying plate
Inside, the axis of the most described water inlet pipe coincides with the axis of described skirt steadying plate.
As preferably, described connection post is hollow connection post.
As preferably, described spin nozzle includes at least 4 described arc pipes, at least 4 described tapers
Meanwhile, the number of described connection post is at least 2.
Specifically, described buried mechanism includes: outer tube, inner tube, lower union joint, and described lower union joint sets
It is equipped with water inlet；
The lower nozzle of described water inlet pipe in described sprinkling irrigation mechanism removably connects with the upper orifice of said inner tube,
And described sprinkling irrigation mechanism and said inner tube are axially slidably sleeved in described outer tube
Described lower union joint is connected with the lower nozzle of described outer tube, the most described water inlet, said inner tube, institute
State water inlet pipe sequentially to connect.
Specifically, as preferably, the lower nozzle outer peripheral edge of said inner tube is provided with a first annular gear of circle
Plate, described first annular baffle plate seals slidingly against with the inwall of described outer tube and contacts；
Circle second ring baffle it is provided with, when said inner tube is upwards transported on the upper orifice inner peripheral of described outer tube
When moving to precalculated position, described first annular baffle plate offsets with described second ring baffle and contacts.
As preferably, the lower nozzle of described water inlet pipe is threadeded with the upper orifice of said inner tube.
The technical scheme that the embodiment of the present invention provides has the benefit that
The open flows channel type rotary nozzle that the embodiment of the present invention provides, its sprinkling irrigation mechanism position when state is irrigate in non-spray
In buried mechanism, and it is integrally located at below arable layer.When in the state of sprinkling irrigation, current will be successively by underground
Longitudinal jet orifice injection that water supply line, water inlet pipe, the conical lower portion of spin nozzle are arranged, with wetted perimeter
Soil, and try hard to recommend dynamic sprinkling irrigation mechanism move upward until exposing in buried mechanism by current institute be with pressure
On earth's surface, and then carry out operation of spraying.When after the sprinkling irrigation end of job, this sprinkling irrigation mechanism is pressed into buried mechanism 1
In.This sprinkling irrigation mechanism is by forming open runner as above on spin nozzle, when current are by entering
Each open runner of spin nozzle will be injected, owing to arc pipe is around phase Tongfang after the upper orifice injection of water pipe
To distortion predetermined angular, in so making open runner, current are formed eccentric pushing power, this eccentric pushing power
Promote turntable to rotate around water inlet pipe, and then make this rotary nozzle realize the effect that rotation limit, limit is sprayed.This is opened
Release as guiding mechanism, in it, there is the structure hindering current, can not only the fluidised form of stationary flow,
And make it have more preferable atomizing effect and lower local head loss, under the operating pressure of 0.1MPa
The range of 6-10m can be realized, save the energy.Meanwhile, this opening runner is not susceptible to blocking, and its
Open Side Down, is more conducive to make this sprinkling irrigation mechanism be embedded in below arable layer under the cooperation of buried mechanism.It is visible,
The rotary nozzle that the embodiment of the present invention provides, is not only adapted to buried, and it is low to have operating pressure, far firing range
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
First aspect, embodiments provides and a kind of can be used for buried open flows channel type rotary nozzle,
As shown in Figure 1, this rotary nozzle includes the buried mechanism 1 being connected with groundwater supply pipeline, and can axle
To the sprinkling irrigation mechanism 2 being slidably positioned in buried mechanism 1, as shown in Figure 1, this sprinkling irrigation mechanism 2 includes:
Water inlet pipe 201, turntable 202, connection post 203, spin nozzle 204.The most as shown in Figure 2,
This spin nozzle 204 includes multiple arc pipe 2041 and multiple conical baffled 2042, arc pipe 2041
Sidewall on be provided with the arc opening 20411 of a longitudinal direction along direction, axis, so that arc pipe 2041
Inner chamber form open runner.The closed combination in circumferentially direction, bottom of multiple arc pipes 2041, with shape
Becoming the conical lower portion of spin nozzle 204, the conical lower portion at this spin nozzle 204 arranges a longitudinal direction simultaneously
Jet orifice.The top of multiple arc pipes 2041 is radially sent out from the conical lower portion of this spin nozzle 204
Dissipating, each arc pipe 2041 distorts predetermined angular around equidirectional, to form current in open runner
Eccentric pushing power, connects between the side wall ends of adjacent two arc pipes 2041 and has one conical baffled 2042.
Turntable 202 is rotatably mounted around water inlet pipe 201 top, and the lower end of multiple connection posts 203 is fixed
On the end face of turntable 202, upper end is fixed on the bottom surface of conical baffled 2042, indulging of this swivel nozzle
Relative with the upper orifice of water inlet pipe 201 to jet orifice, meanwhile, water inlet pipe 201 is by buried mechanism 1 and ground
Lower water inlet pipe 201 road is connected.
The open flows channel type rotary nozzle that the embodiment of the present invention provides, its sprinkling irrigation mechanism 2 when state is irrigate in non-spray
It is positioned at buried mechanism 1, and is integrally located at below arable layer.When spray state time, current will successively by
Longitudinal jet orifice injection that groundwater supply pipeline, water inlet pipe 201, the conical lower portion of spin nozzle 204 are arranged,
With the soil of wetted perimeter, and by current institute with pressure try hard to recommend dynamic sprinkling irrigation mechanism 2 in buried mechanism 1 to
Upper motion is until being exposed to earth's surface, and then carries out operation of spraying.When after the sprinkling irrigation end of job, by this irrigation sprinkler
Structure 2 is pressed in buried mechanism 1.
Specifically, this sprinkling irrigation mechanism 2 opens runner as above by being formed on spin nozzle 204,
Each open runner of spin nozzle 204 will be injected after current are sprayed by the upper orifice of water inlet pipe 201, by
Distort predetermined angular in arc pipe 2041 around equidirectional, in so making open runner, current are formed partially
Heart motive force, this eccentric pushing powered turntable 202 rotates around water inlet pipe 201, and then makes this rotation spray
Head realizes the effect that rotation limit, limit is sprayed.This open runner, as guiding mechanism, does not exist in it and hinders water
The structure of stream, can not only the fluidised form of stationary flow, and make it have more preferable atomizing effect and lower office
Portion's loss of flood peak, can realize the range of 6-10m under the operating pressure of 0.1MPa, saves the energy.Meanwhile,
This opening runner be not susceptible to blocking, and its Open Side Down, be more conducive to make under the cooperation of buried mechanism 1
This sprinkling irrigation mechanism 2 is embedded in below arable layer.Visible, that the embodiment of the present invention provides rotary nozzle, not only fits
In buried, and the advantage such as it is low to have operating pressure, far firing range.
Specifically, as shown in Figure 2, the spin nozzle 204 that the embodiment of the present invention provides includes multiple arc
Pipeline 2041 and multiple conical baffled 2042, wherein, along axis on the sidewall of each arc pipe 2041
Direction is provided with the arc opening 20411 of a longitudinal direction, and (this arc opening 20411 it is also understood that as by one
Complete curved pipe axially cut away along it 1/3-1/2 part and obtain), the upper end of this arc opening 20411 and under
End extends respectively to the opening at arc pipe about 2041 two ends, and is connected with them, now, at arc
The arc inner chamber that pipeline 2041 is internally formed can be used as the open runner of this shower nozzle.Utilizing this arc pipe
During 2041 this spin nozzle 204 of formation, make the closed knot in circumferentially direction, bottom of multiple arc pipe 2041
It is combined, specifically makes the lateral wall of middle position bottom multiple arc pipe 2041 combine,
And each junction point between the bottom of multiple arc pipes 2041 is coiled into a small-diameter circular, and now it can make
Tapered structure bottom this spin nozzle 204, i.e. forms the conical lower portion of spin nozzle 204.And multiple arc
The top of shape pipeline 2041 is radially dissipated from Shangdi by lower from conical lower portion, the most multiple curved pipes
In road 2041, the open runner of formation is opening down, when current are from the upper pipe of water inlet pipe 201 corresponding thereto
After mouth ejects, current will be distributed to surrounding from this conical lower portion and are injected into opening of arc pipe 2041
In runner, flow from bottom to up in this opening runner, carry out spraying operation simultaneously.From the foregoing,
Current flowing in this open runner can't by the obstruction on flow direction, and this open runner in
Arcuate structure, flows making current in the way of smooth steady, it is ensured that preferably flow-shape and atomizing effect,
Reduce local head loss simultaneously substantially, so have important for raising range and spray area
Additionally, connected modes based on above-mentioned multiple arc pipes 2041, adjacent two arc pipes 2041
Between will form subulate slot, in order to ensure that current will not flow out the subulate slot between them, this
Bright embodiment connects between the side wall ends of adjacent two arc pipes 2041 one conical baffled 2042,
To block this subulate slot.It is understood that be arranged on arc pipe 2041 by conical baffled 2042
Between side wall ends, even if conical baffled 2042 with the side wall ends of arc pipe 2041 at grade,
So ensure that the water come from water inlet pipe 201 can fully and as much as possible enter in open runner.
Further, to those skilled in the art, by making water flow jet active force produce tangential point
Power, so drive nozzle rotate be this area common.In embodiments of the present invention, based on this nozzle
It is made up of multiple arc pipes 2041, by making each arc pipe 2041 distort predetermined angle around equidirectional
Degree, to form eccentric pushing power to current, so will produce after the open runner of current directive in its open runner
Raw eccentric force, this spin nozzle 204 of promotion is rotated by this eccentric force.Owing to this spin nozzle 204 is by even
Connect post 203 to be fixed on turntable 202, so when this spin nozzle 204 rotates, it can drive this rotation
Turntable 202 rotates around water inlet pipe 201.In order to more intuitively understand the arc pipe that the embodiment of the present invention provides
The structure of 2041, for example, when under non-distorted state, the spray that multiple arc pipes 2041 are formed
The top view of mouth as shown in figure 3-1, time under at twisted state, the basis that multiple arc pipes 2041 are formed
The top view of the spin nozzle that inventive embodiments provides is as shown in figure 3-2.To those skilled in the art,
Easily arc pipe 2041 will be carried out distortion process to obtain suitable eccentric pushing power.As excellent
Choosing, in order to obtain longer range, can be in the position of the bottom 1/5-1/3 pipe range of distance arc pipe 2041
Place distorts 10 °-30 ° clockwise or counterclockwise, so that current can be by bias in this position
Motive force, and then spray with longer range.
In order to improve water distribution uniformity, this spin nozzle 204 includes at least 4 arc pipes 2041, at least
4 conical baffled 2042, and at least 4 arc pipes 2041 are uniformly distributed, and meanwhile, connect post 2033
Number be at least 2.With Fig. 3-2 for example, this spin nozzle 204 includes 6 arc pipes 2041
Conical baffled with 6 2042, meanwhile, the number connecting post 2033 is 3, wherein, and adjacent two connections
Between post 2033, average mark is furnished with two arc pipes 2041, steady during to ensure that this spin nozzle 204 rotates
In embodiments of the present invention, water inlet pipe 201 is as water inlet water flowing parts, the tubulose knot in both ends open
Structure, as preferably, as shown in Figure 1, this water inlet pipe 201 includes the linkage section being sequentially connected with from top to bottom
2011, changeover portion 2012 and main paragraph 2013；The inner chamber of linkage section 2011 and main paragraph 2013 is all in cylinder
Shape, the inner chamber of changeover portion 2012 is truncated cone-shaped, and the diameter of changeover portion 2012 inner chamber by lower from upper gradually
Reduce.Wherein, the internal diameter of main paragraph 2013 is equal with the maximum inner diameter of changeover portion 2012, linkage section 2011
Internal diameter equal with the minimum diameter of changeover portion 2012.From the foregoing, the diameter of water inlet pipe 201 inner chamber from
Lower from be gradually reduced, by reducing the diameter of current, improve the jet-action power of current, and then raising
The range of current.Further, the outer wall of linkage section 2011 is provided with a circle groove, with at linkage section
Form groove segment on 2011, turntable 202 is provided with the rotation through hole matched with groove segment, the most recessed
Groove section is through rotating through hole.Wherein, turntable 202 rotates the internal diameter external diameter slightly larger than groove segment of through hole,
So can be easy to the rotation of turntable 202, meanwhile, the external diameter of this linkage section 2011 is all higher than turntable 202
Upper rotation through hole, so that this turntable 202 is stably enclosed within groove segment.
As preferably, in embodiments of the present invention, turntable 202 is circular plate type structure, in order to ensure this rotation
Turntable 202 stability when rotated, as shown in accompanying drawing 1 and accompanying drawing 2, this rotary nozzle also includes skirt
Steadying plate 205, the top of skirt steadying plate 205 is fixed on the bottom of turntable 202, and turntable 202
The water inlet pipe 201 of lower section is positioned at the internal cavity of this skirt steadying plate 205, simultaneously in water inlet pipe 201
Axis coincides with the axis of skirt steadying plate 205.
In embodiments of the present invention, connect post 203 and be preferably hollow connection post, so that this shower nozzle lightweight,
And then it is easy to make the injection fluid capacitance of irrigation water promotion spin nozzle 204 of changing places to rotate.Further, it is preferable to it is logical
Cross by hollow connect post 203 by cut sth. askew, so that the hollow post 203 that connects forms symmetry from lower
Inclined-plane hollow cylinder, in use, make the little arc end of this inclined-plane hollow cylinder connect conical baffled 2042,
The big arc end simultaneously making this inclined-plane hollow cylinder connects turntable 202, the most not only reduce further this rotation
Turn the weight of shower nozzle, also assures that the stability of strutting system connecting post 203 as supporter simultaneously.
Understand based on above-mentioned, each parts of the mechanism 2 that sprays in the rotary nozzle that the embodiment of the present invention provides, especially
It is that spin nozzle 204, connection post 203 and turntable 202 preferably employ light material and prepare.As
Preferably, the material of this rotary nozzle is high-strength polymeric material, such as Nomex, polyimides, superelevation
Molecular weight polyethylene, polypropylene, Merlon, polystyrene etc..By selecting above-mentioned material, it can carry
Carry out advantage as described below: first aspect can significantly reduce the weight of rotary nozzle, it is simple to it is at irrigation water
Spin under impetus, second aspect, can guarantee that the intensity of rotary nozzle, improve its service life,
The third aspect, its rustproof property is notable, will not be because of Long Term Contact irrigation water generation corrosion.
Specifically, in embodiments of the present invention, as shown in Figure 1, this buried mechanism 1 includes: outer tube 101,
Inner tube 102, lower union joint 103, wherein, lower union joint 103 is provided with water inlet 1031.This irrigation sprinkler
The lower nozzle of the water inlet pipe 201 of structure 2 removably connects with the upper orifice of inner tube 102, and this sprinkling irrigation mechanism 2
Axially slidably it is sleeved in outer tube 101 with inner tube 102；Lower union joint 103 and the down tube of outer tube 101
Mouth connects, and the water inlet 1031 on lower union joint 103, inner tube 102, water inlet pipe 201 sequentially connect simultaneously.
As shown in Figure 4, when non-irrigation state, this rotary nozzle is embedded in arable layer soil below,
Inner tube 102 in this buried mechanism 1 and sprinkling irrigation mechanism 2 are respectively positioned in outer tube 101 simultaneously, and this is buried
Lower union joint 103 in mechanism 1 is connected with groundwater supply pipeline.
When carrying out irrigation operation, first, have the irrigation water of pressure successively by groundwater supply pipeline, water inlet pipe 201,
Longitudinal jet orifice injection that the conical lower portion of spin nozzle 204 is arranged, the soil of wetted perimeter, in order to make
The soil at spin its top of up cutting, rotation limit, nozzle 204 limit.Meanwhile, pressure irrigation water is had to promote inner tube 102
Outer tube 101 moves upward, so promote this sprinkling irrigation mechanism 2 to move upward in buried mechanism 1 until
More than its complete top ground, the structure of the rotary nozzle under this state can be found in accompanying drawing 5.Mechanism 2 to be sprayed
When being fully exposed to more than earth's surface, owing to no longer there being the resistance of soil, now current will freely play feed pipe
Road, water inlet pipe 201 are injected in the open runner of spin nozzle 204, make this rotation limit, spin nozzle 204 limit
Carry out spraying operation.The rotary nozzle that the embodiment of the present invention provides can be issued to more in less operating pressure
Big range, such as, can realize the range of 6-10m under the operating pressure of 0.1MPa, saves the energy.And
And, this rotary nozzle can be embedded in below arable layer when non-irrigation state, does not interferes with farming.Its structure letter
Single, simple to operate, it is simple to large-scale promotion is applied.
It is understood that in embodiments of the present invention, the longitudinal direction that the conical lower portion of spin nozzle 204 is arranged
Jet orifice is used only for when buried state making current form jet, and then the soil of wetted perimeter, and to be painted
Filling after mechanism 2 is positioned at earth's surface, because without the resistance of soil, current are without hindrance by tending to enter
Open runner sprays, without penetrating from this longitudinal direction jet orifice.This longitudinal direction jet orifice is positioned at multiple arc
The circle centre position of the small-diameter circular that each junction point between the bottom of shape pipeline 2041 is coiled into, and this spin nozzle
The conical lower portion of 204 part in addition to this longitudinal direction jet orifice is closing.Specification according to rotary nozzle
Size determines the size of jet orifice, and in general, the internal diameter of jet orifice is 1-5mm, preferably 1-3mm.
Further, as shown in Figure 1, the lower nozzle outer peripheral edge of inner tube 102 is provided with a circle first
Ring baffle 1021, first annular baffle plate 1021 seals slidingly against with the inwall of outer tube 101 and contacts；Outer tube
Circle second ring baffle 1011 it is provided with on the upper orifice inner peripheral of 101；When inner tube 102 moves up to
During precalculated position (when moving up to the upper limit), first annular baffle plate 1021 and the second ring baffle 1011
Offset contact.This first annular baffle plate 1021 is possible not only to realize between closure inner tube 102 and outer tube 101
Gap, places current and enters wherein, it is often more important that, it can offset with the second ring baffle 1011 and coordinate,
To carry out spacing to inner tube 102, prevent it from departing from outer tube 101.
Additionally, in the rotary nozzle that the embodiment of the present invention provides, the lower nozzle of water inlet pipe 201 and inner tube 102
Upper orifice removably connect, in order to change or safeguard rotary nozzle.As preferably, water inlet pipe 201
Lower nozzle threaded with the upper orifice of inner tube 102.This threaded can be by water inlet pipe 201
External screw thread is set on the outer wall of lower nozzle, arranges and this outer spiral shell on the inwall of the upper orifice of inner tube 102 simultaneously
The suitable female thread of stricture of vagina realizes, or, it is also possible to by the inwall of the lower nozzle of water inlet pipe 201
Female thread is set, the outer spiral shell suitable with this female thread is set on the outer wall of the upper orifice of inner tube 102 simultaneously
Stricture of vagina realizes.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the scope of the invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all should comprise
Within protection scope of the present invention.