CN114009313A - Even watering shower nozzle of vegetable planting - Google Patents
Even watering shower nozzle of vegetable planting Download PDFInfo
- Publication number
- CN114009313A CN114009313A CN202111345785.2A CN202111345785A CN114009313A CN 114009313 A CN114009313 A CN 114009313A CN 202111345785 A CN202111345785 A CN 202111345785A CN 114009313 A CN114009313 A CN 114009313A
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- Prior art keywords
- blind hole
- rotating shaft
- hole
- annular block
- block
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- 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
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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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a uniform sprinkling nozzle for vegetable planting, which comprises a shell with an opening at the upper end, and is characterized in that a water inlet pipe is fixed at the lower end of the shell, a support seat is fixed at the middle part of the shell, a through hole is formed in the middle part of the support seat, a rotating shaft is arranged in the through hole, an impeller is fixed at the lower end of the rotating shaft, a thread is formed at the upper end of the rotating shaft, an annular block is arranged on the rotating shaft, a spherical rubber sleeve is arranged between the annular block and the support seat, a first blind hole is formed in the inner edge surface of the annular block, a cross rod is arranged in the first blind hole, when the annular block slides upwards to the uppermost end, the inner end of the cross rod can extend out of the first blind hole and is meshed with the thread on the rotating shaft, when the annular block slides downwards to the lowermost end, the inner edge surface of the through hole of the support seat is provided with a cross hole, a slide block is arranged in the cross hole, and one side of the slide block is provided with a friction block; the invention realizes uniform water spraying by utilizing the simplest structural components such as the rubber sleeve, the screw rod and the like and the transmission structure, and has the advantages of simple structure, convenient maintenance, low cost and the like.
Description
Technical Field
The invention relates to the field of agricultural planting, in particular to a uniform watering spray head for vegetable planting.
Background
The water spray volume of different types of vegetation all has strict requirements in the different times, when advancing to irrigate to the vegetables of large tracts of land, because it is big to irrigate the area, and artifical irrigation can cause the damage to vegetables, there is the demand that carries out even irrigation to the vegetation of different distances among the prior art, also there is the shower nozzle structure that can evenly irrigate to an area among the prior art, for example, set up the delivery port of a plurality of different angles on the shower nozzle among the prior art, make shower nozzle angle constantly change, utilize automatic device control hydraulic constantly change etc. but above-mentioned control mode among the prior art all has different shortcomings, for example, realize the mode of even sprinkling irrigation through control water pressure, control hydraulic mode is comparatively complicated among the prior art, need the cooperation that the electron set up even.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the uniform sprinkling nozzle for vegetable planting, and solves the problems of low sprinkling efficiency and non-uniform sprinkling.
The technical scheme includes that the uniform sprinkling sprinkler head for vegetable planting comprises a shell with an upper end opening, and is characterized in that the upper end opening of the shell is funnel-shaped and gradually enlarged from bottom to top, a water inlet pipe communicated with the shell is fixed at the lower end of the shell, a supporting seat is fixed at the middle part of the shell, a through hole penetrating through the upper end surface and the lower end surface is formed in the middle part of the supporting seat, a rotating shaft which is in a vertical direction and can rotate around the axis of the rotating shaft is rotatably connected in the through hole, an impeller is fixed at the lower end of the rotating shaft and extends into the water inlet pipe, a thread is formed in the upper end of the rotating shaft and extends out of the upper end opening of the shell, a coaxially arranged annular block is arranged at the upper end of the supporting seat on the rotating shaft, the rotating shaft penetrates through the annular block and is in clearance fit with the annular block, a spherical rubber sleeve is arranged between the annular block and the supporting seat, the upper end and the lower end of the rubber sleeve are respectively fixed on the outer edge surfaces of the supporting seat and the annular block, the rubber sleeve always has the tendency of recovering the spherical shape;
the inner edge surface of the annular block is provided with a first blind hole, a cross rod is arranged in the first blind hole, the cross rod can slide left and right in the first blind hole, when the annular block slides upwards to the uppermost end, the inner side end of the cross rod can extend out of the first blind hole and is meshed with the thread on the rotating shaft, and when the annular block slides downwards to the lowermost end, the inner side end of the cross rod can extend into the first blind hole;
a transverse hole is formed in the inner edge surface of the through hole of the supporting seat, a sliding block capable of sliding along the transverse hole is arranged in the transverse hole, when the annular block moves downwards, the sliding block can slide towards one side close to the rotating shaft, and when the annular block moves upwards, the sliding block can slide towards one side far away from the rotating shaft; one side of the sliding block close to the rotating shaft is connected with a friction block through a spring, and when the sliding block moves to one side close to the rotating shaft, the friction block can contact the outer edge surface of the rotating shaft.
The upper end of the rotating shaft is fixed with a disc, the annular block can slide up and down between the disc and the supporting seat, vertical holes penetrating through the upper end face and the lower end face of the annular block and the first blind hole are formed in the annular block and located in the same vertical direction of the first blind hole, a baffle capable of sliding up and down is arranged in each vertical hole, the upper end and the lower end of each baffle extend out of each vertical hole, round holes penetrating through the left end face and the right end face are formed in each baffle, the aperture of each round hole is larger than that of the corresponding first blind hole, the baffle can prevent the bottom of the blind hole of the cross rod from sliding, one end, close to the rotating shaft, of the cross rod can extend out of the first blind hole, when the lower end of each baffle extends into each vertical hole, the round holes are overlapped with the axis of the first blind holes, and the cross rod can slide towards the bottom of the blind holes until the inner side end extends into the first blind holes;
one side surface of the cross rod close to the baffle is an inclined surface, when the baffle moves downwards, the baffle can convert longitudinal force into transverse force through the inclined surface of the cross rod, so that the cross rod slides to one side close to the rotating shaft;
the cross rod is fixed with a spring, the other end of the spring is fixed on the first blind hole, and the spring enables the cross rod to always bear a force sliding towards the bottom of the second blind hole.
The annular piece lower extreme be fixed with a montant, a second blind hole has been seted up to the supporting seat up end, in the annular piece gliding montant can insert the second blind hole, in the second blind hole was stretched into to the slider outer end, a side that the montant is close to the pivot was the inclined plane, the montant removed along with the annular piece is the downward movement, the inclined plane can promote the slider to the one side removal of being close to the pivot.
And a spring is fixed between the annular block and the supporting seat, and the spring enables the annular block to always bear upward force.
The supporting seat lower extreme along the circumference equipartition have a plurality of round bars, the round bar other end is fixed on the casing.
The lower end of the rubber sleeve is lower than the opening at the upper end of the shell.
The invention realizes uniform water spraying by utilizing the simplest structural components such as the rubber sleeve, the screw rod and the like and the transmission structure, and has the advantages of simple structure, convenient maintenance, low cost and the like.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a front sectional view of the rubber boot of the present invention when compressed.
Fig. 4 is a partial enlarged view of a in fig. 3 according to the present invention.
Fig. 5 is a three-dimensional detail view of the baffle of the present invention.
Fig. 6 is a three-dimensional sectional view of the rubber boot of the present invention.
FIG. 7 is a three-dimensional cross-sectional view of a ring block of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in figures 1 to 7, the invention comprises a shell 1 with an opening at the upper end, and is characterized in that the opening at the upper end of the shell 1 is funnel-shaped and gradually enlarges from bottom to top, a water inlet pipe 2 communicated with the shell 1 is fixed at the lower end of the shell 1, a support seat 3 is fixed at the middle part of the shell 1, a through hole penetrating through the upper end surface and the lower end surface is arranged at the middle part of the support seat 3, a rotating shaft 4 which is in vertical direction and can rotate around the axis of the rotating shaft is rotationally connected in the through hole, an impeller 6 is fixed at the lower end of the rotating shaft 4 and extends into the water inlet pipe 2, a screw thread is arranged at the upper end of the rotating shaft 4 and extends out of the opening at the upper end of the shell 1, a coaxially arranged annular block 7 is arranged at the upper end of the supporting seat 3 on the rotating shaft 4, the rotating shaft 4 penetrates through the annular block 7 and is in clearance fit with the annular block 7, a spherical rubber sleeve 5 is arranged between the annular block 7 and the support seat 3, the upper end and the lower end of the rubber sleeve 5 are respectively fixed on the outer edge surfaces of the support seat 3 and the annular block 7, the rubber sleeve 5 always has the tendency of recovering the spherical shape;
a first blind hole 8 is formed in the inner edge surface of the annular block 7, a cross rod 9 is arranged in the first blind hole 8, the cross rod 9 can slide left and right in the first blind hole 8, when the annular block 7 slides upwards to the uppermost end, the inner side end of the cross rod 9 can extend out of the first blind hole 8 and is meshed with the thread on the rotating shaft 4, and when the annular block 7 slides downwards to the lowermost end, the inner side end of the cross rod 9 can extend into the first blind hole 8;
a transverse hole 15 is formed in the inner edge surface of the through hole of the supporting seat 3, a sliding block 16 capable of sliding along the transverse hole 15 is arranged in the transverse hole 15, when the annular block 7 moves downwards, the sliding block 16 can slide towards one side close to the rotating shaft 4, and when the annular block 7 moves upwards, the sliding block 16 can slide towards one side far away from the rotating shaft 4; one side of the sliding block 16 close to the rotating shaft 4 is connected with a friction block 17 through a spring, and when the sliding block 16 moves to one side close to the rotating shaft 4, the friction block 17 can contact the outer edge surface of the rotating shaft 4.
A disc 19 is fixed at the upper end of the rotating shaft 4, the annular block can slide up and down between the disc 19 and the supporting seat 3, a vertical hole 10 penetrating through the upper end face and the lower end face of the annular block 7 and the first blind hole 8 is formed in the annular block 7 in the same vertical direction of the first blind hole 8, a baffle plate 11 capable of sliding up and down is arranged in the vertical hole 10, the vertical hole 10 extends out of the upper end and the lower end of the baffle plate 11, a round hole 12 penetrating through the left end face and the right end face is formed in the baffle plate 11, the aperture of the round hole 12 is larger than that of the first blind hole 8, the baffle plate 11 can block the sliding of the bottom of the blind hole of the cross rod 9, so that one end of the cross rod 9 close to the rotating shaft 4 can extend out of the first blind hole 8, when the lower end of the baffle plate 11 extends into the vertical hole 10, the axis of the round hole 12 is overlapped with the axis of the first blind hole 8, and the cross rod 9 can slide towards the bottom of the blind hole until the inner side end extends into the first blind hole 8;
one side surface of the cross rod 9 close to the baffle 11 is an inclined surface, when the baffle 11 moves downwards, the baffle 11 can convert longitudinal force into transverse force through the inclined surface of the cross rod 9, so that the cross rod 9 slides towards one side close to the rotating shaft 4;
the cross rod 9 is fixed with a spring, the other end of the spring is fixed on the first blind hole 8, and the spring enables the cross rod 9 to always bear a force sliding towards the bottom of the second blind hole 8.
The lower extreme of annular piece 7 be fixed with a montant 13, a second blind hole 14 has been seted up to supporting seat 3 up end, annular piece 7 gliding montant 13 down can insert in second blind hole 14, in the slider 16 outer end stretched into second blind hole 14, a side that montant 13 is close to pivot 4 was the inclined plane, montant 13 along with annular piece 7 downstream, the inclined plane can promote slider 16 to the side displacement of being close to pivot 4.
And a spring is fixed between the annular block 7 and the supporting seat 3, and the spring enables the annular block 7 to always bear upward force.
The lower end of the supporting seat 3 is evenly distributed with a plurality of round rods 18 along the circumference, and the other ends of the round rods 18 are fixed on the shell 1.
The lower end of the rubber sleeve 5 is lower than the opening at the upper end of the shell 1.
When the invention is used, the annular block 7 is positioned at the uppermost end of the rotating shaft 4, the cross rod 9 extends out of the first blind hole 8 to be meshed with the rotating shaft 4 through threads, the water inlet pipe 2 is vertically fixed upwards at the center of a spraying area and is communicated with a water outlet pipe of a water pump or a water pipe, after a valve is opened to supply water, water flow is sprayed out from an upper end opening of the shell 1 through the water inlet pipe 2, the water flow drives the impeller 6 to rotate, the rotating shaft 4 rotates around the axis of the rotating shaft 4, the annular block 7 slides downwards under the driving of the upper end threads of the rotating shaft 4, the rubber sleeve 5 can be downwards extruded when the annular block 7 moves downwards, the outer edge surface of the rubber sleeve 5 can move downwards and deform and expand outwards after being subjected to vertical downward extrusion force, the upper end opening of the shell 1 is gradually reduced, the water pressure is increased, the water flow is further sprayed, the vertical rod 13 moves downwards along with the annular block 7 in the process of sliding downwards, the inclined surface on the vertical rod 13 extrudes the sliding block 16 to enable the sliding block 16 to move towards one side close to the rotating shaft 4, because the friction block 17 is connected with the sliding block 16 through the spring, the elastic force of the spring is increasingly larger in the sliding process of the sliding block 16, the friction block 17 is in contact with the outer edge surface of the rotating shaft 4, the friction block 17 gradually increases the friction on the rotating shaft 4, the rotating speed of the rotating shaft 4 is gradually reduced until the baffle 11 is in contact with the supporting seat 3, the baffle 11 is blocked by the supporting seat 3 to move upwards relative to the annular block 3, the axis of the round hole 12 is overlapped with the axis of the first blind hole 8, the cross rod 9 slides towards the bottom of the blind hole under the action of the detection spring until the inner end extends into the first blind hole 8 to be separated from the thread groove on the rotating shaft 4, the annular block 7 rebounds upwards under the action of the spring, the outer edge surface of the rubber sleeve 5 retracts to re-expand the opening at the upper end of the shell 1, the water flow speed is reduced, the spraying distance is reduced until the upper end of the baffle 11 is in contact with the disc 19, the baffle 11 slides downwards relative to the annular block 7, and slides towards the rotating shaft 4 direction by extruding the inclined surface of the cross rod 9, the cross rod 9 is meshed with the thread groove in the rotating shaft 4 again, the vertical rod 13 moves towards one side far away from the rotating shaft 4 under the action of the spring along with the annular block 7 in the upward sliding process, the potential energy of the spring is gradually released, the friction force of the friction block 17 on the rotating shaft 4 is reduced, the rotating shaft 4 rotates and is gradually increased, and the uniform watering of vegetation in the same area is completed in a circulating mode.
The device drives the impeller 6 to enable the first rotating shaft 4 to rotate through water flow to provide a power source, so as to drive the annular block 7 to move downwards, the baffle plate 11 strikes the supporting seat 3 and the disc 19 to slide up and down relative to the annular block 7 in the up-and-down moving process of the annular block 7, the extending amount of the cross rod 9 is controlled, the annular block 7 is enabled to fall to the lowest end, the cross rod 9 can be separated from the thread groove on the rotating shaft 4 and reset upwards under the action of the spring, the extrusion and resetting of the rubber sleeve 5 are realized, the size of the upper end opening of the shell 1 can be changed by extruding the rubber sleeve 5, so that the initial speed of water flow sprayed from the opening is changed, the water flow can be sprayed on vegetation at different distances, and the spraying distance does not need to be manually adjusted;
the pressure of the friction block 17 on the rotating shaft 4 is changed by the vertical rod 13 moving up and down along with the annular block 7, so that the annular block 7 descends on the rotating shaft 4 more slowly, the time when the opening of the rubber sleeve 5 at the upper end of the shell 1 is opened to the maximum is shortened, the time when the opening of the rubber sleeve 5 at the upper end of the shell 1 is opened to the minimum is prolonged, the spraying time of the device to the unit distance is increased along with the increase of the spraying distance, and the situation that the quantity of peripheral vegetation water is smaller than that of inner vegetation due to the increase of the water flow spraying distance, the widening of the coverage range and the unchanged water spraying time is prevented;
Claims (6)
1. The utility model provides an even watering shower nozzle of vegetable planting, including an upper end open-ended casing (1), a serial communication port, casing (1) upper end opening funnel-shaped for from bottom to top gradually enlarges, casing (1) lower extreme is fixed with inlet tube (2) with casing (1) intercommunication, casing (1) middle part is fixed with supporting seat (3), the through-hole of terminal surface about running through is seted up in supporting seat (3) middle part, through-hole internal rotation is connected with vertical direction and can be around the pivot (4) of self axis rotation, pivot (4) lower extreme stretches into in inlet tube (2) and is fixed with impeller (6), pivot (4) upper end stretches out casing (1) upper end opening and the outer fringe face and is seted up the screw thread, the upper end that lies in supporting seat (3) on pivot (4) has a ring piece (7) of coaxial placing, pivot (4) run through ring piece (7) and with ring piece (7) clearance fit, a spherical rubber sleeve (5) is arranged between the annular block (7) and the supporting seat (3), the upper end and the lower end of the rubber sleeve (5) are respectively fixed on the outer edge surfaces of the supporting seat (3) and the annular block (7), and the rubber sleeve (5) always tends to restore to be spherical;
a first blind hole (8) is formed in the inner edge surface of the annular block (7), a cross rod (9) is arranged in the first blind hole (8), the cross rod (9) can slide left and right in the first blind hole (8), when the annular block (7) slides upwards to the uppermost end, the inner side end of the cross rod (9) can extend out of the first blind hole (8) and is meshed with the threads on the rotating shaft (4), and when the annular block (7) slides downwards to the lowermost end, the inner side end of the cross rod (9) can extend into the first blind hole (8);
a transverse hole (15) is formed in the inner edge surface of the through hole of the supporting seat (3), a sliding block (16) capable of sliding along the transverse hole (15) is arranged in the transverse hole (15), when the annular block (7) moves downwards, the sliding block (16) can slide to one side close to the rotating shaft (4), and when the annular block (7) moves upwards, the sliding block (16) can slide to one side far away from the rotating shaft (4); one side of the sliding block (16) close to the rotating shaft (4) is connected with a friction block (17) through a spring, and when the sliding block (16) moves towards one side close to the rotating shaft (4), the friction block (17) can contact the outer edge surface of the rotating shaft (4).
2. The uniform sprinkling nozzle for vegetable planting according to claim 1, wherein a disc (19) is fixed at the upper end of the rotating shaft (4), the annular block can slide up and down between the disc (19) and the supporting seat (3), vertical holes (10) penetrating through the upper end surface and the lower end surface of the annular block (7) and the first blind hole (8) are formed in the annular block (7) in the same vertical direction of the first blind hole (8), a baffle plate (11) capable of sliding up and down is arranged in each vertical hole (10), the vertical holes (10) extend out of the upper end surface and the lower end surface of the baffle plate (11), round holes (12) penetrating through the left end surface and the right end surface are formed in the baffle plate (11), the diameter of each round hole (12) is larger than that of the first blind hole (8), the baffle plate (11) can prevent the blind hole bottom of the cross rod (9) from sliding, so that one end of the cross rod (9) close to the rotating shaft (4) can extend out of the first blind hole (8), when the baffle plate (11) moves up to the lower end and extends into the vertical holes (10), the round hole (12) is overlapped with the axis of the first blind hole (8), and the cross rod (9) can slide towards the bottom of the blind hole until the inner side end extends into the first blind hole (8);
the uniform sprinkling nozzle for vegetable planting according to claim 2, wherein one side surface of the cross bar (9) close to the baffle (11) is an inclined surface, and when the baffle (11) moves downwards, the baffle (11) can convert a longitudinal force into a transverse force through the inclined surface of the cross bar (9), so that the cross bar (9) slides to one side close to the rotating shaft (4);
the cross rod (9) is fixed with a spring, the other end of the spring is fixed on the first blind hole (8), and the spring enables the cross rod (9) to always receive a force sliding towards the bottom of the second blind hole (8).
3. The uniform sprinkling nozzle for vegetable planting according to claim 1, wherein a vertical rod (13) is fixed at the lower end of the annular block (7), a second blind hole (14) is formed in the upper end surface of the supporting seat (3), the vertical rod (13) which slides downwards in the annular block (7) can be inserted into the second blind hole (14), the outer end of the sliding block (16) extends into the second blind hole (14), a side surface of the vertical rod (13) close to the rotating shaft (4) is an inclined surface, the vertical rod (13) moves downwards along with the annular block (7), and the inclined surface can push the sliding block (16) to move towards the side close to the rotating shaft (4).
4. The uniform sprinkler head for vegetable planting according to claim 1, characterized in that a spring is fixed between the annular block (7) and the supporting seat (3), and the spring makes the annular block (7) always receive an upward force.
5. The uniform sprinkler head for vegetable planting according to claim 1, characterized in that a plurality of round rods (18) are uniformly distributed at the lower end of the supporting seat (3) along the circumference, and the other ends of the round rods (18) are fixed on the shell (1).
6. The uniform sprinkler head for vegetable planting according to claim 1, characterized in that the lower end of the rubber sleeve (5) is lower than the upper opening of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345785.2A CN114009313B (en) | 2021-11-15 | 2021-11-15 | Even watering shower nozzle of vegetable planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345785.2A CN114009313B (en) | 2021-11-15 | 2021-11-15 | Even watering shower nozzle of vegetable planting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114009313A true CN114009313A (en) | 2022-02-08 |
| CN114009313B CN114009313B (en) | 2022-10-11 |
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ID=80064120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111345785.2A Active CN114009313B (en) | 2021-11-15 | 2021-11-15 | Even watering shower nozzle of vegetable planting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114009313B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203955395U (en) * | 2014-06-18 | 2014-11-26 | 河北润农节水科技股份有限公司 | A kind of improved centrifugal sprinkler |
| CN211153155U (en) * | 2019-11-06 | 2020-08-04 | 奉节县国清脐橙种植专业合作社 | Navel orange is planted and is used large tracts of land watering device |
| CN214107510U (en) * | 2020-12-11 | 2021-09-03 | 塔里木大学 | Rotary type spray head device for agricultural irrigation |
-
2021
- 2021-11-15 CN CN202111345785.2A patent/CN114009313B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203955395U (en) * | 2014-06-18 | 2014-11-26 | 河北润农节水科技股份有限公司 | A kind of improved centrifugal sprinkler |
| CN211153155U (en) * | 2019-11-06 | 2020-08-04 | 奉节县国清脐橙种植专业合作社 | Navel orange is planted and is used large tracts of land watering device |
| CN214107510U (en) * | 2020-12-11 | 2021-09-03 | 塔里木大学 | Rotary type spray head device for agricultural irrigation |
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| Publication number | Publication date |
|---|---|
| CN114009313B (en) | 2022-10-11 |
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