CN208739776U - Insert formula spray, drop integration apparatus in ground - Google Patents
Insert formula spray, drop integration apparatus in ground Download PDFInfo
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- CN208739776U CN208739776U CN201821438787.XU CN201821438787U CN208739776U CN 208739776 U CN208739776 U CN 208739776U CN 201821438787 U CN201821438787 U CN 201821438787U CN 208739776 U CN208739776 U CN 208739776U
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Abstract
It the utility model relates to water-saving irrigation field, discloses and inserts formula spray, drop integration apparatus a kind ofly, comprising: insert structure, lower nozzle and upper nozzle composition；Lower nozzle is formed by communicating pipe and around the shell of communicating pipe, and apopore is arranged in the shell；The end of communicating pipe is located within shell, another end is stretched out except shell；Insert structure is formed by connection wall, communicating pipe, water inlet pipe and with plug；Shell is connected with connection wall；One end of communicating pipe connects water inlet pipe, the other end be lower than or in parallel with the top edge of connection wall；Upper nozzle is made of shell, outlet pipe；Outlet pipe one end is connected with communicating pipe, and the other end is set in the housing, and end is equipped with water outlet；Shell be equipped with the staggered aperture of water outlet, edge is abutted against with shell.Formula spray, drop integration apparatus are inserted described in the utility modelly, be can adjust the water flow of lower nozzle and mountain spray head, are respectively reached the effect of sprinkling irrigation and/or trickle irrigation, reach the benefit to supply water on demand.
Description
Technical field
The utility model relates to water-saving irrigation fields, and in particular to insert formula spray, drop integration apparatus in ground.
Background technique
During plant culture, in order to guarantee its normal growth, it is necessary to provide sufficient moisture.Especially planted in crops
During training, sufficient moisture supply is to obtain the vital link of high yield, stable yields.However, under field conditions (factors), due to
The limitation of precipitation and geographical conditions, it is difficult to meet requirement of the plant to moisture, it is necessary to which artificial irrigate, to guarantee plant
Normal growth.
Due to the scarcity of water resource, various Water Saving Irrigation Modes are increasingly becoming the first choice of people.Sprinkling irrigation and trickle irrigation are due to setting
It is standby cheap, easy to operate, adaptable, it is currently used Water Saving Irrigation Mode.Traditional sprinkling irrigation or dropper equipment
It generally can only individually be sprayed or trickle irrigation, it is difficult to meet the needs of different phase is to moisture in cultivation, it is also difficult to
Give full play to two kinds of irrigation method advantages of sprinkling irrigation and trickle irrigation.
Utility model content
The utility model proposes ground to insert formula spray, drop integration apparatus, and sprinkling irrigation and trickle irrigation are combined, and
It is converted at any time according to different needs, while meeting moisture needed for plant growth, saves water resource to the greatest extent.
The technical solution of the utility model is achieved in that
Formula spray, drop integration apparatus are inserted a kind ofly, comprising: insert structure, lower nozzle and upper nozzle composition；The lower spray
Head is made of communicating pipe and shell, and apopore is arranged in the shell；The shell is set around the communicating pipe lateral wall
It sets；The end of the communicating pipe is located within the shell, another end is stretched out except the shell；
The insert structure is made of connection wall, communicating pipe, water inlet pipe and the plug being connected with side wall lower edge；It is described
Shell be connected with the connection wall；The connection wall is arranged around the communicating pipe, one end of the communicating pipe
It is connected with the water inlet pipe, the other end is lower than or the top edge with the connection wall in parallel；
The upper nozzle is made of shell, outlet pipe；Company except described outlet pipe one end and the stretching shell
The end of siphunculus is connected, and the other end is set in the shell；The shell is equipped with aperture；The outlet pipe is located at institute
The intracorporal end of shell is stated equipped with water outlet, the water outlet edge is abutted against with the shell；The water outlet and institute
State being staggered for aperture on shell.
Further, the end for being located at the shell communicating pipe is equipped with narrow portion, and the diameter in the narrow portion is less than described
The diameter of communicating pipe；The length in the narrow portion is less than the length of connecting tube and communicating pipe junction.
Further, the plug is equipped with tip far from one end of lower nozzle, and the water inlet pipe is set on the plug,
And towards the tip-tilt.
Further, the inner sidewall of the shell connects with the lateral wall of the connection wall, the inside of the connection wall
Wall be equipped with a series of fins, the lower nozzle inner sidewall be equipped with mutually block with fin and snap-gauge.
Further, it is additionally provided with inner ring on the inner sidewall in shell described in the communicating pipe, the inner ring is set
It sets between the apopore and the communicating pipe, the inner ring end is located in the shell, and along described
The direction setting that communicating pipe extends.
Further, the connection wall is connected with lower nozzle by spiral；The shell and the outlet pipe are logical
Spiral is crossed to be connected.
Further, fan blades is additionally provided on the outlet pipe, the fan blades number is 2 pieces, along the outlet pipe
Diameter extend direction, be correspondingly arranged on the lateral wall of the outlet pipe.
Further, one end that the outlet pipe is located at the shell is equipped with Capsule, and the Capsule is corresponding described to be gone out
The position at the mouth of a river is equipped with glue bolt, and the side wall that the glue bolt and the water outlet abut against is equipped with salient point, sets on the glue bolt
There is through-hole, the position of the through-hole and the position of aperture on the shell are staggered.
Further, the side wall end of the water outlet pipe end is equipped with protrusion, and the protrusion is equipped with groove, and described is recessed
Through-hole setting on the corresponding Capsule of slot.
Further, the Capsule edge is equipped with inflection, and the inflection is equipped with the snap ring of protrusion, and the snap ring encloses
Lateral wall around the outlet pipe is arranged, and the position of the corresponding snap ring, the outlet pipe lateral wall is equipped with card slot.
The utility model has the beneficial effects that
The utility model discloses ground to insert formula spray, drop integration apparatus, and it is attached can be directly inserted into plant by insert structure
Closely, and sprinkling irrigation and/or drop can be respectively reached by adjusting the water flow of lower nozzle and mountain spray head according to the water requirement of plant
The effect of filling meets the water requirements of plant.When plant does not need to irrigate, and two spray heads can be simultaneously closed off, play pass
Close the effect at water source.In use, water inlet pipe is connected with water pipe with water supply line, adjusts shell and insert structure
Relative position, i.e., the controllable water flowed into communicating pipe by insert structure.When shell is directed away from the side of insert structure
To when movement, it is also concomitantly moved toward the side far from connecting tube communicating pipe.Since the end of communicating pipe is located within shell, end
Also above the lower edge of shell, and the end of connecting tube is lower than or in parallel with the top edge of connection wall.When shell not yet and even
When connecing wall separation, the end of communicating pipe is mutually separated with connecting tube, and water can enter in lower nozzle from connecting tube, and along
Apopore sprays, and forms the effect of sprinkling irrigation.When shell is mobile towards insert structure direction, communicating pipe is also moved, end
End is gradually close with connecting tube, is gradually reduced into the water in connection, the end of communicating pipe completely into after connecting tube,
Communicating pipe abuts against with connecting tube, interrupts completely into the water in communicating pipe, and the water outlet of shell is also interrupted therewith, and water is along even
Siphunculus enters in the outlet pipe of upper nozzle.When the shell of upper nozzle is mobile far from water outlet position, shell and outlet pipe
Gap is formed between water outlet, entering the water in outlet pipe can be sprayed from the aperture on shell by gap.Due to going out
The mouth of a river is staggered with aperture, is not connected to directly, when water flow flows to aperture from water outlet, can mitigate the impact force of water flow,
Slow down water velocity.Relative to the water column of lower nozzle, the water flow that upper nozzle sprays is more tiny and mitigates.When shell direction is discharged
When mouth position is mobile, shell moves closer to water outlet, and the gap between shell and water outlet gradually becomes smaller, and water flow is gradually reduced.
It, can be in the effect of water outlet formation trickle irrigation with the reduction of rate of water added since the water flow of upper nozzle is relatively fine and mitigates.When
When the edge of shell and water outlet abuts against, water flow is blocked completely, and upper nozzle is also turned off.In process of production, may be used
Upper nozzle and lower nozzle are adjusted according to the water requirement of plant, selection sprinkling irrigation, trickle irrigation or sprinkling irrigation and trickle irrigation use simultaneously respectively.And
And the water yield of two spray heads can be adjusted separately according to the difference of water requirement, achieve the effect that supply water on demand, to the greatest extent
Water resource is saved, achievees the purpose that water-saving irrigation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 inserts formula spray, the upper nozzle of drop integration apparatus embodiment 1 and lower nozzle for the utility model and is turned off structure
Schematic diagram；
Fig. 2 inserts the upper nozzle and the equal water-supply structure of lower nozzle of formula spray, drop integration apparatus embodiment 1 for the utility model
Schematic diagram；
Fig. 3 inserts formula spray, the upper nozzle of drop integration apparatus embodiment 2 and lower nozzle for the utility model and is turned off structure
Schematic diagram；
Fig. 4 inserts formula spray for the utility model, the upper nozzle of drop integration apparatus embodiment 2 is closed, lower nozzle supplies water and ties
Structure schematic diagram；
The cross section knot that Fig. 5 inserts formula spray for the utility model, the snap-gauge of drop integration apparatus embodiment 2 is connected with fin
Structure schematic diagram；
The cross section knot that Fig. 6 inserts formula spray for the utility model, the snap-gauge of drop integration apparatus embodiment 3 is connected with fin
Structure schematic diagram；
Fig. 7 inserts formula spray for the utility model, the upper nozzle of drop integration apparatus embodiment 3 is closed, lower nozzle supplies water and ties
Structure schematic diagram.
In figure, 1 is insert structure, and 2 be lower nozzle, and 3 be upper nozzle, and 21 be communicating pipe, and 22 be shell, and 23 be apopore,
24 be the end being located at communicating pipe within shell, and 25 stretch out the end except shell for communicating pipe, and 11 be connection wall, and 12 be connection
Pipe, 13 be water inlet pipe, and 14 be plug, and 31 be shell, and 32 be outlet pipe, and 33 be aperture, and 34 be water outlet, and 26 be narrow portion, and 15 are
Tip, 4 be spiral, and 5 be fan blades, and 6 be Capsule, and 61 be glue bolt, and 62 be salient point, and 63 be through-hole, and 35 be protrusion, and 36 be groove, 37
It is snap ring for inflection, 38,39 be card slot, and 16 be fin, and 27 be snap-gauge, and 28 be inner ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Formula spray, drop integration apparatus are inserted a kind ofly, as shown in Figs. 1-2, comprising: insert structure 1, lower nozzle 2 and upper nozzle 3
Composition；
The lower nozzle is made of communicating pipe 21 and shell 22, and apopore 23 is arranged in the shell；The shell
It is arranged around the communicating pipe lateral wall；The end 24 of the communicating pipe is located within the shell, another
End 25 is stretched out except the shell；
The insert structure is by connection wall 11, communicating pipe 12, water inlet pipe 13 and the plug 14 being connected with side wall lower edge
Composition；The shell is connected with the connection wall, and water outlet is disposed far from the junction of shell and connection wall, and outer
Shell is located at the inside of connection wall；The connection wall is arranged around communicating pipe, one end of the communicating pipe and described
Water inlet pipe is connected, and the other end is lower than or the top edge with the connection wall in parallel；
The upper nozzle is made of shell 31 and outlet pipe 32；Described outlet pipe one end be located at except the shell
The end 25 of communicating pipe be connected, the other end is set in the shell；The shell is equipped with aperture 33；The water outlet
Pipe is equipped with water outlet 34 positioned at the intracorporal end of the shell, and the water outlet edge is abutted against with the shell；It is described
Water outlet and the aperture of the shell be staggered.
The end for being located at the shell communicating pipe is equipped with narrow portion 26, and the diameter in the narrow portion is less than the communicating pipe
Diameter；The length in the narrow portion is less than the length of connecting tube and communicating pipe junction.The plug far from lower nozzle one
End is equipped with tip 15, and the water inlet pipe is set on the plug, and towards the tip-tilt.The connection wall and
Lower nozzle is connected by spiral 4；The shell is connected with the outlet pipe also by spiral.On the outlet pipe
Be additionally provided with fan blades 5, the fan blades number is 2 pieces, along the direction that the diameter of outflow tube extends, be correspondingly arranged with it is described
On the lateral wall of outlet pipe.One end that the outlet pipe is located at the shell is equipped with Capsule 6, and the Capsule corresponds to described
The position of water outlet is equipped with glue bolt 61, and the side wall that the glue bolt and the water outlet abut against is equipped with salient point 62, the glue
Bolt is equipped with through-hole 63, and the position of the through-hole and the position of aperture on the shell are staggered.The outlet pipe end
The side wall end at end is equipped with protrusion 35, and the protrusion is equipped with groove 36, the through-hole on the corresponding Capsule of the groove
Setting.The through-hole is at least 2, and be centrosymmetric arrangement.The Capsule edge is equipped with inflection 37, in the inflection
Snap ring 38 equipped with protrusion, the snap ring are arranged around the lateral wall of the outlet pipe, the position of the corresponding snap ring, institute
The outlet pipe lateral wall stated is equipped with card slot 39.
In the present embodiment, connection pipe end is equipped with narrow portion, during communicating pipe and connecting tube are separated from each other, when narrow portion moves
When moving connection pipe end, the water in connecting tube can flow into communicating pipe from narrow portion and the gap of connecting tube, and shell only needs
Sprinkling irrigation operation can be realized in mobile lesser distance.Since the length in narrow portion is less than the length of connecting tube and communicating pipe junction,
During communicating pipe shifting to connecting tube, other than narrow portion, some is connected connecting tube with communicating pipe, Ke Yili
The effect abutted against with communicating pipe and connecting tube blocks the water in connecting tube to enter in communicating pipe completely.Plug is equipped with tip,
When being more convenient for being inserted into the soil of vicinity of plants or other culture mediums, simultaneously because the volume at tip and area are smaller, it can subtract
The small damage to plant root.Water inlet pipe is towards the tip-tilt, and angle is obtuse angle between water inlet pipe and connecting tube, from into
The water flow that water pipe enters only needs lesser bend that can enter, and reduces pipeline to the inhibition of water flow, water flow is more smoothly.
Connection wall and lower nozzle and shell pass through spiral with outlet pipe and connect, and can effectively prevent crossing on senior general due to water flow impact pressure
Connecting portion is stated to wash open.It is easier to adjust to helical structure simultaneously, water outlet can gradually be adjusted according to the difference of water requirement
Amount, keeps the supply of moisture more accurate.2 pieces of corresponding fan blades are set on outlet pipe, convenient for fixed outlet pipe, are more advantageous to tune
The relative position of whole shell and outlet pipe, to control the water yield of upper nozzle.Glue bolt is arranged in water outlet, and in side wall
Equipped with salient point, make between glue bolt and side wall that there are gaps, can not only guarantee the water outflow in outlet pipe, but also glue bolt can be stablized and gone out
The relative position at the mouth of a river guarantees that water flow impact pressure is excessive, separates Capsule with outlet pipe.Snap ring and outlet pipe in Capsule inflection
Card slot on lateral wall mutually block and, the fixation of Capsule and outlet pipe is more firm.Aperture on through-hole and shell on glue bolt is handed over
Mistake arrangement, can slow down the speed of water flow, advantageously form trickle irrigation effect.And the groove of through-hole setting is corresponded to, water flow can be made to exist
Collect in groove, is sprayed from through-hole with being conducive to uniform fluid flow.In the present embodiment, through-hole is set as 5, and is in center pair
The shape of title, is rotatably arranged, and the drop of formation is more tiny, distribution it is more uniform, have certain atomizing effect.
Embodiment 2
Formula spray, drop integration apparatus are inserted a kind ofly, and as in Figure 3-5, structure is same as Example 1, and distinguishing characteristics exists
In the inner sidewall of the shell connects with the lateral wall of the connection wall, and the inner sidewall of the insert structure is equipped with a system
Column fin 16, the lower nozzle inner sidewall be equipped with mutually block with fin and snap-gauge 27.
In the present embodiment, the inner sidewall of shell connects with the lateral wall of connection wall, when adjusting water, not only shell
Operation it is more convenient, and can intuitively observe the mobile distance of shell, keep the control of water more accurate.Snap-gauge and
Fin is mutually clamped, and is increased the stability of the relative position of shell and connection wall, is avoided since water flow impact pressure is excessive or it
His extraneous factor, water caused by causing shell and connection wall mutually to be slided increase or are separated from each other.
For ease of operation, snap-gauge number may be configured as 2 pieces, arrange along the diametrical direction of the communicating pipe.In this way may be used
The clamping force of relative equilibrium can be formed in the two sides of shell, has not only increased the stability between shell and connection wall, but also make shell
Uniform force rotates more convenient.
Embodiment 3
Formula spray, drop integration apparatus are inserted a kind ofly, and as shown in fig. 6-7, structure is same as Example 2, and distinguishing characteristics exists
In, be additionally provided with inner ring 28 on the inner sidewall in shell described in the communicating pipe, the inner ring setting with it is described
Between water outlet and the communicating pipe, the inner ring end is located in the shell, and extends along the communicating pipe
Direction setting.The snap-gauge 27 is set in the inner ring.
The presence of inner ring is conducive to the structure for stablizing shell, increases the stability of shell.Snap-gauge is arranged in inner ring, subtracts
The small length of snap-gauge, can effectively avoid in shell rotation process, due to snap-gauge and card slot clamping force it is excessive, cause snap-gauge curved
Bent or deformation.
In above-described embodiment, in order to preferably connect water supply line and water inlet pipe, block can be set in the end of water inlet pipe
Portion 7 and bearing surface 8, for the bearing surface perpendicular to the axial direction of the water inlet pipe, stop section is located at side of the bearing surface far from water supply line,
And vertically with the axial direction of water inlet pipe, section is rectangle.The presence of abutting part can make the water pipe of grafting preferably abut water inlet
Pipe effectively prevent water pipe to slip from water inlet pipe.And the presence of stop section, can effectively avoid water pipe insertion water inlet pipe it is too deep, operation
It is more easy.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. inserting formula spray, drop integration apparatus a kind ofly characterized by comprising insert structure, lower nozzle and upper nozzle composition；
The lower nozzle is made of communicating pipe and shell, and apopore is arranged in the shell；The shell surrounds the connection
The setting of pipe lateral wall；The end of the communicating pipe is located within the shell, outer described in the stretching of another end
Except shell；
The insert structure is made of connection wall, communicating pipe, water inlet pipe and the plug being connected with side wall lower edge；Described is outer
Shell is connected with the connection wall；The connection wall is arranged around the communicating pipe, one end of the communicating pipe and institute
The water inlet pipe stated is connected, and the other end is lower than or the top edge with the connection wall in parallel；
The upper nozzle is made of shell, outlet pipe；Communicating pipe except described outlet pipe one end and the stretching shell
End be connected, the other end be set to the shell in；The shell is equipped with aperture；The outlet pipe is located at the shell
Intracorporal end is equipped with water outlet, and the water outlet edge is abutted against with the shell；The water outlet and the shell
Aperture is staggered on body.
2. inserting formula spray, drop integration apparatus as shown in claim 1ly, it is characterised in that: be located at the communicating pipe described outer
The end of shell is equipped with narrow portion, and the diameter in the narrow portion is less than the diameter of the communicating pipe；The length in the narrow portion is less than connection
The length of pipe and communicating pipe junction.
3. inserting formula spray, drop integration apparatus as shown in claim 1ly, it is characterised in that: the plug is far from lower nozzle
One end be equipped with tip, the water inlet pipe is set on the plug, and towards the tip-tilt.
4. insert as shown in claim 1ly formula spray, drop integration apparatus, it is characterised in that: the inner sidewall of the shell with
The lateral wall of the connection wall connects, and the inner sidewall of the connection wall is equipped with a series of fins, and the lower nozzle inner sidewall is set
Have mutually block with fin and snap-gauge.
5. inserting formula spray, drop integration apparatus as shown in claim 1ly, it is characterised in that: described in the communicating pipe
Shell in inner sidewall on be additionally provided with inner ring, the inner ring setting and between the apopore and the communicating pipe,
The inner ring end is located in the shell, and is arranged along the direction that the communicating pipe extends.
6. inserting formula spray, drop integration apparatus as shown in claim 1ly, it is characterised in that: the connection wall and lower nozzle
It is connected by spiral；The shell is connected with the outlet pipe by spiral.
7. inserting formula spray, drop integration apparatus as shown in claim 1ly, it is characterised in that: be additionally provided on the outlet pipe
Fan blades, the fan blades number are 2 pieces, along the direction that the diameter of outflow tube extends, are correspondingly arranged and the outlet pipe
Lateral wall on.
8. inserting formula spray, drop integration apparatus as shown in claim 1ly, it is characterised in that: the outlet pipe is located at described
One end of shell is equipped with Capsule, and the position of the corresponding water outlet of the Capsule is equipped with glue bolt, the glue bolt with it is described
The side wall that water outlet abuts against is equipped with salient point, and the glue bolt is equipped with through-hole, on the position of the through-hole and the shell
The position of aperture is staggered.
9. inserting formula spray, drop integration apparatus as shown in claim 8, it is characterised in that: the side of the water outlet pipe end
Wall end is equipped with protrusion, and the protrusion is equipped with groove, the through-hole setting on the corresponding Capsule of the groove.
10. inserting formula spray, drop integration apparatus as shown in claim 8, it is characterised in that: the Capsule edge is equipped with back
Folding, the inflection are equipped with the snap ring of protrusion, and the snap ring is arranged around the lateral wall of the outlet pipe, it is corresponding described in
The position of snap ring, the outlet pipe lateral wall are equipped with card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438787.XU CN208739776U (en) | 2018-09-04 | 2018-09-04 | Insert formula spray, drop integration apparatus in ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438787.XU CN208739776U (en) | 2018-09-04 | 2018-09-04 | Insert formula spray, drop integration apparatus in ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208739776U true CN208739776U (en) | 2019-04-16 |
Family
ID=66082789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438787.XU Active CN208739776U (en) | 2018-09-04 | 2018-09-04 | Insert formula spray, drop integration apparatus in ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208739776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111109051A (en) * | 2020-02-09 | 2020-05-08 | 吴学坤 | Modern agricultural irrigation equipment |
| CN112586161A (en) * | 2020-12-27 | 2021-04-02 | 海南宝秀节水科技股份有限公司 | High-efficient fertilization pump |
| CN112931152A (en) * | 2021-01-15 | 2021-06-11 | 海南宝秀节水科技股份有限公司 | High-efficient shower nozzle that agricultural irrigation used |
-
2018
- 2018-09-04 CN CN201821438787.XU patent/CN208739776U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111109051A (en) * | 2020-02-09 | 2020-05-08 | 吴学坤 | Modern agricultural irrigation equipment |
| CN111109051B (en) * | 2020-02-09 | 2021-07-30 | 义乌市航英科技有限公司 | Modern agricultural irrigation equipment |
| CN112586161A (en) * | 2020-12-27 | 2021-04-02 | 海南宝秀节水科技股份有限公司 | High-efficient fertilization pump |
| CN112931152A (en) * | 2021-01-15 | 2021-06-11 | 海南宝秀节水科技股份有限公司 | High-efficient shower nozzle that agricultural irrigation used |
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