CN208956592U - A kind of interval internally-inlaid patch drip irrigation pipe - Google Patents
A kind of interval internally-inlaid patch drip irrigation pipe Download PDFInfo
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- CN208956592U CN208956592U CN201821347150.XU CN201821347150U CN208956592U CN 208956592 U CN208956592 U CN 208956592U CN 201821347150 U CN201821347150 U CN 201821347150U CN 208956592 U CN208956592 U CN 208956592U
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- drip irrigation
- irrigation pipe
- inner tube
- hole
- pipe inner
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
This application discloses a kind of interval internally-inlaid patch drip irrigation pipe, including drip irrigation pipe inner tube and isolation cover, multiple buret inner tubes are combined in such a way that internal screw thread revolves and connects external screw thread.The wall surface of drip irrigation pipe inner tube is equipped with drip irrigation hole.Opening and closing valve is equipped in the hole of drip irrigation hole.It opens and closes the valve surface parallel with drip irrigation pipe inner tube axis and is equipped with notch.The wall surface of isolation cover is radially equipped with permeability hole.The liquid mixtures such as water and fertilizer are entered in the gap between drip irrigation pipe inner tube and isolation cover by drip irrigation hole, and then are flowed out by permeability hole, the root of trickle irrigation to crop, realize trickle irrigation.For the liquid mixtures such as water and fertilizer during outflow, opening and closing valve is in the state opened, and notch compression deformation expands outwardly, is slowly formed opening.When stopping trickle irrigation, notch restPoses, and trigger valve is in close state, so that the impurity such as the sandy soil near crop root be avoided to enter, and then blocks permeability hole and drip irrigation hole.
Description
Technical field
This application involves agricultural irrigation technique field more particularly to a kind of interval internally-inlaid patch drip irrigation pipes.
Background technique
Trickle irrigation as a kind of advanced agricultural irrigation mode, be by be placed on as root drip irrigation zone or drip irrigation pipe come
Supply moisture, fertilizer or other chemical agents etc..Compared to traditional irrigation mode, trickle irrigation is not sprayed water or irrigation canals and ditches flowing water, only allows water
It slowly oozes, and penetrates into soil under the action of gravity and capillary.The water near crop root is instilled, can not be destroyed
Soil texture guarantees that the soil in crop root region often keeps optimal water status.
Drip irrigation pipe is the important irrigator in dropper system, be according to crop water requirement, by low pressure pipeline system with
The douche being mounted on hollow billet, the nutrient that crop is needed drop by drop, uniformly and slowly instill crop root zone soil
In.Systemic transferring is used in the prior art, is that pre-manufactured water dropper is embedded in hollow billet in hollow billet manufacturing process
Interior, water dropper interval is evenly arranged, and multiple drip irrigation holes can be offered on the outer wall of drip irrigation pipe, the mixing of the liquid such as water and fertilizer
Object is flowed out by the runner opened up on water dropper by drip irrigation hole.
But since the liquid mixtures such as water and fertilizer have to flow through the runner of diameter very little, it is easy so that drip irrigation pipe is inserted
When entering soil or crop root near sites, there are the impurity such as husky, the root of the crop palpus of a small amount of soil to enter in the hole of drip irrigation hole, cause
Drip irrigation hole hole is blocked.After drip irrigation hole hole is plugged, the osmotic pressure of the liquid mixtures such as water outlet and fertilizer can be made to increase, water
It is difficult to infiltrate with liquid mixtures such as fertilizer, influences the service life of irrigation efficiency and systemic transferring.
Utility model content
This application provides a kind of interval internally-inlaid patch drip irrigation pipes, to solve trickle irrigation hole plug in systemic transferring
Problem.
A kind of interval internally-inlaid patch drip irrigation pipe, the interval internally-inlaid patch drip irrigation pipe includes drip irrigation pipe inner tube and isolation
Cover；
The isolation cover is set in the middle part of the drip irrigation pipe inner tube；
Interval is equipped between the outer wall of the drip irrigation pipe inner tube and the isolation cover inner wall；
The axis of the drip irrigation pipe inner tube is overlapped with the axis of the isolation cover；
The isolation cover is stretched out at the both ends of the drip irrigation pipe inner tube；
One end of the drip irrigation pipe inner tube is equipped with external screw thread；
The other end of the drip irrigation pipe inner tube is equipped with internal screw thread；
The inner wall of the drip irrigation pipe inner tube is equipped with inner tube support ring；
Water (flow) direction control-rod is equipped with along the drip irrigation pipe inner tube axis parallel direction in said inner tube support ring；
The water (flow) direction control-rod is radially equipped with water (flow) direction control protrusion；
The wall surface of the drip irrigation pipe inner tube is equipped with drip irrigation hole；
The drip irrigation hole penetrates through the outside and inside of the drip irrigation pipe inner tube；
Opening and closing valve is equipped in the hole of the drip irrigation hole；
The opening and closing valve surface parallel with the drip irrigation pipe inner tube axis is equipped with notch；
The wall surface of the isolation cover is radially equipped with permeability hole；
The permeability hole penetrates through the inside and outside of the isolation cover.
Further, one end of the drip irrigation pipe inner tube is equipped with shut-off valve.
Further, the notch is cross type cut.
Further, the isolation cover outer wall is equipped with annular groove；
Snap ring is equipped in the annular groove；
The snap ring includes bending section, the first fixed section and the second fixed section；
One end of the bending section is arranged in first fixed section；
The other end of the bending section is arranged in second fixed section；
First fixed section, the bending section and the second fixed section area defined form bayonet；
First fixed section is equipped with the first fixation hole and hanging hole；
Second fixed section is equipped with the second fixation hole.
Further, which is characterized in that the isolation cover outer wall is equipped with anti-clogging protrusion.
Further, which is characterized in that be enclosed with adsorption layer around the permeability hole.
Further, which is characterized in that the isolation cover outer wall is enclosed with permeable layer.
Further, which is characterized in that the material of the permeable layer is polyvinyl formal negative pressure seepage material.
Further, which is characterized in that the material of the adsorption layer is the adsorption of metal ions of bentonite or chitosan
Agent.
Further, which is characterized in that the drip irrigation hole is trapezoidal shape cone, and conical opening is outside.
From the above technical scheme, this application provides a kind of interval internally-inlaid patch drip irrigation pipes, including in drip irrigation pipe
Pipe and isolation cover, multiple buret inner tubes are combined in such a way that internal screw thread revolves and connects external screw thread.The wall of drip irrigation pipe inner tube
Face is equipped with drip irrigation hole, and drip irrigation hole penetrates through the outside and inside of drip irrigation pipe inner tube.Opening and closing valve is equipped in the hole of drip irrigation hole.Open and close valve with
The parallel surface of drip irrigation pipe inner tube axis is equipped with notch.The wall surface of isolation cover is radially equipped with permeability hole, described in permeability hole perforation
The inside and outside of isolation cover.The liquid mixtures such as water and fertilizer are entered between drip irrigation pipe inner tube and isolation cover by drip irrigation hole
Gap in, and then pass through permeability hole flow out, the root of trickle irrigation to crop, realization trickle irrigation.The liquid mixtures such as water and fertilizer exist
During outflow, opening and closing valve is in the state opened, and notch compression deformation expands outwardly, is slowly formed opening.When stopping is dripped
When filling, notch restPoses, and trigger valve is in close state, thus avoid the impurity such as the sandy soil near crop root into
Enter, and then blocks permeability hole and drip irrigation hole.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for being spaced internally-inlaid patch drip irrigation pipe of the application；
Fig. 2 is the structural schematic diagram of the application snap ring；
Fig. 3 is the structural schematic diagram that the application opens and closes valve.
Wherein, 1- shut-off valve, 2- external screw thread, 3- internal screw thread, 4- drip irrigation pipe inner tube, 5- isolation cover, 6- permeable layer, 7- seep
Open-work, 8- anti-clogging protrusion, 9- inner tube support ring, 10- water (flow) direction control protrusion, 11- water (flow) direction control-rod, 12- trickle irrigation
Hole, 13- opening and closing valve, 14- annular groove, 15- snap ring, 16- bending section, the first fixation hole of 17-, 18- hanging hole, 19- first are fixed
Section, 20- bayonet, the second fixed section of 21-, the second fixation hole of 22-, 23- notch, 24- adsorption layer.
Specific embodiment
Here embodiment will be illustrated in detail, the example is illustrated in the accompanying drawings.In the following description when referring to the accompanying drawings,
Unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Implement described in following embodiment
Mode does not represent all embodiments consistent with the application.
It is a kind of structural schematic diagram for being spaced internally-inlaid patch drip irrigation pipe of the application referring to Fig. 1, Fig. 2 is the application snap ring
Structural schematic diagram, Fig. 3 are the structural schematic diagram that the application opens and closes valve.
A kind of interval internally-inlaid patch drip irrigation pipe, the interval internally-inlaid patch drip irrigation pipe include drip irrigation pipe inner tube 4 and every
From cover 5；
The isolation cover 5 is set in the middle part of the drip irrigation pipe inner tube 4；
Interval is equipped between 5 inner wall of outer wall and the isolation cover of the drip irrigation pipe inner tube 4；
The axis of the drip irrigation pipe inner tube 4 is overlapped with the axis of the isolation cover 5；
The isolation cover 5 is stretched out at the both ends of the drip irrigation pipe inner tube 4；
One end of the drip irrigation pipe inner tube 4 is equipped with external screw thread 2；
The other end of the drip irrigation pipe inner tube 4 is equipped with internal screw thread 3；
The inner wall of the drip irrigation pipe inner tube 4 is equipped with inner tube support ring 9；
Water (flow) direction control-rod 11 is equipped with along the 4 axis parallel direction of drip irrigation pipe inner tube in said inner tube support ring 9；
The water (flow) direction control-rod 11 is radially equipped with water (flow) direction control protrusion 10；
The wall surface of the drip irrigation pipe inner tube 4 is equipped with drip irrigation hole 12；
The drip irrigation hole 12 penetrates through the outside and inside of the drip irrigation pipe inner tube 4；
Opening and closing valve 13 is equipped in the hole of the drip irrigation hole 12；
The opening and closing valve 13 surface parallel with 4 axis of drip irrigation pipe inner tube is equipped with notch 23；
The wall surface of the isolation cover 5 is radially equipped with permeability hole 7；
The permeability hole 7 penetrates through the inside and outside of the isolation cover 5.
Specifically, multiple buret inner tubes 4 are combined in such a way that internal screw thread 3 revolves and connects external screw thread 2.Adjacent trickle irrigation
The distance between pipe inner tube 4 distance can be mutually matched between adjacent crop.By on control water (flow) direction control-rod 11
Water (flow) direction control protrusion 10 carries out the flow direction of the liquid mixtures such as water and fertilizer in control drip irrigation pipe inner tube 4.Water and
The liquid mixtures such as fertilizer are entered in the gap between drip irrigation pipe inner tube 4 and isolation cover 5 by drip irrigation hole 12, and then pass through infiltration
Open-work 7 flows out, the root of trickle irrigation to crop, realizes trickle irrigation.The liquid mixtures such as water and fertilizer open and close valve during outflow
13 expand outwardly in the state opened, 23 compression deformation of notch, are slowly formed opening.When stopping trickle irrigation, notch 23 restores
Original state, trigger valve 13 are in close state, so that the impurity such as the sandy soil near crop root be avoided to enter, and then are blocked and are seeped
Open-work 7 and drip irrigation hole 12.
From the above technical scheme, this application provides a kind of interval internally-inlaid patch drip irrigation pipes, including in drip irrigation pipe
Pipe 4 and isolation cover 5, multiple buret inner tubes 4 are combined in such a way that internal screw thread 3 revolves and connects external screw thread 2.In drip irrigation pipe
The wall surface of pipe 4 is equipped with drip irrigation hole 12, and drip irrigation hole 12 penetrates through the outside and inside of drip irrigation pipe inner tube 4.It is equipped in the hole of drip irrigation hole 12
Open and close valve 13.It opens and closes the surface parallel with 4 axis of drip irrigation pipe inner tube of valve 13 and is equipped with notch 23.The wall surface of isolation cover 5 is radially set
There is permeability hole 7, permeability hole 7 penetrates through the inside and outside of the isolation cover 5.The liquid mixtures such as water and fertilizer pass through drip irrigation hole 12
It enters in the gap between drip irrigation pipe inner tube 4 and isolation cover 5, and then is flowed out by permeability hole 7, the root of trickle irrigation to crop,
Realize trickle irrigation.For the liquid mixtures such as water and fertilizer during outflow, opening and closing valve 13 is in the state opened, and notch 23 is pressurized
Deformation expands outwardly, and is slowly formed opening.When stopping trickle irrigation, notch 23 restPoses, and trigger valve 13, which is in, closes shape
State so that the impurity such as the sandy soil near crop root be avoided to enter, and then blocks permeability hole 7 and drip irrigation hole 12.
Further, one end of the drip irrigation pipe inner tube 4 is equipped with shut-off valve 1.
Specifically, by external screw thread 2 and the rotation of internal screw thread 3 and connection between multiple drip irrigation pipe inner tubes 4, in drip irrigation pipe inner tube 4
One end, i.e., shut-off valve 1 is set between the channel of adjacent drip irrigation pipe inner tube 4, it is defeated for controlling the liquid mixtures such as water and chemical fertilizer
On-off when sending.In turn, good throttling, energy-saving effect by controlling shut-off valve 1, during realization trickle irrigation.
Further, the notch 23 is cross type cut 23.
Specifically, notch 23 uses cross type cut 23, when water in drip irrigation hole 12 and fertilizer liquid mixture do not stress stream
Dynamic formula, cross type cut 23 are in closed state, to avoid to ooze liquid automatically without drip irrigation hole when carrying out trickle irrigation operation mixed
Object is closed, wastage of material is caused.Also, notch 23 is designed to cross, and notch 23 is unlikely to deform, and pressure is suitable, and trickle irrigation is stablized.
Further, 5 outer wall of isolation cover is equipped with annular groove 14；
Snap ring 15 is equipped in the annular groove 14；
The snap ring 15 includes bending section 16, the first fixed section 19 and the second fixed section 21；
One end of the bending section 16 is arranged in first fixed section 19；
The other end of the bending section 16 is arranged in second fixed section 21；
First fixed section 19, the bending section 16 and 21 area defined of the second fixed section form bayonet
20；
First fixed section 19 is equipped with the first fixation hole 17 and hanging hole 18；
Second fixed section 21 is equipped with the second fixation hole 22.
Specifically, during trickle irrigation, due to water and liquid mixture passes through drip irrigation hole 12 and permeability hole 7 enters crop
Root system position, trickle irrigation pipe device can be made integrally to generate certain shaking, to influence the stability of trickle irrigation.In order to avoid drop
The shaking that pipe integrally generates is filled, annular groove 14 is set on 5 outer wall of isolation cover, snap ring 15 is set in annular groove 14.Start into
Before the operation of row trickle irrigation, isolation cover 5 passes through 20 position of bayonet of snap ring 15, and is located in annular groove 14, fixed using bolt etc.
Part passes through the first fixation hole 17 and the second fixation hole 22, and titration pipe device is integrally fixed and supported in the supporting objects such as frame.
Also, the connecting components such as hanging buckle can be used across hanging hole 18, trickle irrigation pipe device is hung up.
Further, which is characterized in that 5 outer wall of isolation cover is equipped with anti-clogging protrusion 8.
Specifically, can splash during trickle irrigation the impurity such as some sandy soil near crop root position.In 5 outer wall of isolation cover
Upper setting anti-clogging protrusion 8 can increase the distance between isolation cover 5 and crop root upper soll layer, reduce by trickle irrigation mistake
The impurity such as the sandy soil to splash in journey, to reduce the blocked possibility of permeability hole 7 and drip irrigation hole 12.
Further, which is characterized in that be enclosed with adsorption layer 24 around the permeability hole 7.
Specifically, influence crop pollution plant growth of the absorption of adsorption layer 24 from drip irrigation pipe inner tube 4 and extraneous generation
Pollutant.
Further, which is characterized in that 5 outer wall of isolation cover is enclosed with permeable layer 6.
Specifically, the permeable layer 6 can slowly penetrate into the pollutant of the influence plant growth generated during trickle irrigation
Into soil.
Further, which is characterized in that the material of the permeable layer 6 is polyvinyl formal negative pressure seepage material.
Further, which is characterized in that the material of the adsorption layer 24 is the metal ion suction of bentonite or chitosan
Attached dose.
Further, which is characterized in that the drip irrigation hole 12 is trapezoidal shape cone, and conical opening is outside.
Specifically, the liquid mixtures such as water and fertilizer are to soil or crop root position penetration degree and 12 aperture of drip irrigation hole
Size is related.12 aperture of drip irrigation hole is excessive, then the impurity such as external sandy soil easily enter in drip irrigation hole, blocks.Drip irrigation hole
12 apertures are too small, then the osmotic pressure of liquid mixture increases, but drip irrigation hole 12 can be avoided to block as far as possible.The drip irrigation hole 12 designs
It is conical for trapezoidal shape, and conical opening is outside, to reduce the opening area close to trickle irrigation mouth 12 near crop root.In turn,
Be conducive to the liquid mixtures such as water and telephone expenses to permeate to soil or as root system position, but the impurity such as external sandy soil be difficult into
Enter in trickle irrigation mouth 12.Also, it is beneficial to prevent drip irrigation hole 12 to be blocked.
From the above technical scheme, this application provides a kind of interval internally-inlaid patch drip irrigation pipes, including in drip irrigation pipe
Pipe 4 and isolation cover 5, multiple buret inner tubes 4 are combined in such a way that internal screw thread 3 revolves and connects external screw thread 2.In drip irrigation pipe
The wall surface of pipe 4 is equipped with drip irrigation hole 12, and drip irrigation hole 12 penetrates through the outside and inside of drip irrigation pipe inner tube 4.It is equipped in the hole of drip irrigation hole 12
Open and close valve 13.It opens and closes the surface parallel with 4 axis of drip irrigation pipe inner tube of valve 13 and is equipped with notch 23.The wall surface of isolation cover 5 is radially set
There is permeability hole 7, permeability hole 7 penetrates through the inside and outside of the isolation cover 5.The liquid mixtures such as water and fertilizer pass through drip irrigation hole 12
It enters in the gap between drip irrigation pipe inner tube 4 and isolation cover 5, and then is flowed out by permeability hole 7, the root of trickle irrigation to crop,
Realize trickle irrigation.For the liquid mixtures such as water and fertilizer during outflow, opening and closing valve 13 is in the state opened, and notch 23 is pressurized
Deformation expands outwardly, and is slowly formed opening.When stopping trickle irrigation, notch 23 restPoses, and trigger valve 13, which is in, closes shape
State so that the impurity such as the sandy soil near crop root be avoided to enter, and then blocks permeability hole 7 and drip irrigation hole 12.
Similar portion cross-reference between embodiment provided by the present application, specific embodiment provided above is only
It is several examples under the total design of the application, does not constitute the restriction of the application protection scope.For those skilled in the art
For member, any other embodiment expanded without creative efforts according to application scheme all belongs to
In the protection scope of the application.
Claims (10)
1. a kind of interval internally-inlaid patch drip irrigation pipe, which is characterized in that the interval internally-inlaid patch drip irrigation pipe includes drip irrigation pipe
Inner tube (4) and isolation cover (5)；
The isolation cover (5) are set in the middle part of the drip irrigation pipe inner tube (4)；
Interval is equipped between the outer wall and the isolation cover (5) inner wall of the drip irrigation pipe inner tube (4)；
The axis of the drip irrigation pipe inner tube (4) is overlapped with the axis of the isolation cover (5)；
The isolation cover (5) is stretched out at the both ends of the drip irrigation pipe inner tube (4)；
One end of the drip irrigation pipe inner tube (4) is equipped with external screw thread (2)；
The other end of the drip irrigation pipe inner tube (4) is equipped with internal screw thread (3)；
The inner wall of the drip irrigation pipe inner tube (4) is equipped with inner tube support ring (9)；
Water (flow) direction control-rod (11) are equipped with along drip irrigation pipe inner tube (4) the axis parallel direction in said inner tube support ring (9)；
The water (flow) direction that is radially equipped with of the water (flow) direction control-rod (11) controls raised (10)；
The wall surface of the drip irrigation pipe inner tube (4) is equipped with drip irrigation hole (12)；
The drip irrigation hole (12) penetrates through the outside and inside of the drip irrigation pipe inner tube (4)；
Opening and closing valve (13) is equipped in the hole of the drip irrigation hole (12)；
Opening and closing valve (13) surface parallel with drip irrigation pipe inner tube (4) axis is equipped with notch (23)；
The wall surface of the isolation cover (5) is radially equipped with permeability hole (7)；
The permeability hole (7) penetrates through the inside and outside of the isolation cover (5).
2. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that the drip irrigation pipe inner tube (4)
One end be equipped with shut-off valve (1).
3. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that the notch (23) is cross
Type notch (23).
4. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that isolation cover (5) outer wall
It is equipped with annular groove (14)；
Snap ring (15) are equipped in the annular groove (14)；
The snap ring (15) includes bending section (16), the first fixed section (19) and the second fixed section (21)；
The one end of first fixed section (19) setting in the bending section (16)；
The other end of second fixed section (21) setting in the bending section (16)；
First fixed section (19), the bending section (16) and the second fixed section (21) area defined form bayonet
(20)；
First fixed section (19) is equipped with the first fixation hole (17) and hanging hole (18)；
Second fixed section (21) is equipped with the second fixation hole (22).
5. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that isolation cover (5) outer wall
It is raised (8) to be equipped with anti-clogging.
6. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that around the permeability hole (7)
It is enclosed with adsorption layer (24).
7. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that isolation cover (5) outer wall
It is enclosed with permeable layer (6).
8. a kind of interval internally-inlaid patch drip irrigation pipe as claimed in claim 7, which is characterized in that the material of the permeable layer (6)
Material is polyvinyl formal negative pressure seepage material.
9. a kind of interval internally-inlaid patch drip irrigation pipe as claimed in claim 6, which is characterized in that the material of the adsorption layer (24)
Material is the metal ion adsorbent of bentonite or chitosan.
10. a kind of interval internally-inlaid patch drip irrigation pipe as described in claim 1, which is characterized in that the drip irrigation hole (12) is
Trapezoidal shape cone, and conical opening is outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821347150.XU CN208956592U (en) | 2018-08-21 | 2018-08-21 | A kind of interval internally-inlaid patch drip irrigation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821347150.XU CN208956592U (en) | 2018-08-21 | 2018-08-21 | A kind of interval internally-inlaid patch drip irrigation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208956592U true CN208956592U (en) | 2019-06-11 |
Family
ID=66752339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821347150.XU Active CN208956592U (en) | 2018-08-21 | 2018-08-21 | A kind of interval internally-inlaid patch drip irrigation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208956592U (en) |
-
2018
- 2018-08-21 CN CN201821347150.XU patent/CN208956592U/en active Active
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