CN111919712A - Quantitative irrigation device for hole application - Google Patents
Quantitative irrigation device for hole application Download PDFInfo
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- CN111919712A CN111919712A CN202010902752.2A CN202010902752A CN111919712A CN 111919712 A CN111919712 A CN 111919712A CN 202010902752 A CN202010902752 A CN 202010902752A CN 111919712 A CN111919712 A CN 111919712A
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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
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Abstract
The invention relates to a hole-application quantitative irrigation device, which comprises a box body, a box cover, a liquid level regulating mechanism, a quantitative irrigation mechanism and an irrigation starting and stopping mechanism; a partition plate is arranged in the box body and divides the inner cavity of the box body into a water storage chamber and an irrigation chamber; the bottom of the irrigation chamber is provided with at least two irrigation openings, and each irrigation opening is internally provided with a permeable pore plate for permeable drainage to the outside of the box body; a liquid level regulating mechanism is arranged on one side of the partition plate close to the irrigation chamber; the quantitative irrigation mechanism comprises a first screw rod, a pressing plate, a tension spring and a sealing block. The irrigation device is buried around the fruit trees, and water is slowly released to the soil layer at the roots of the fruit trees through the permeation holes arranged in the irrigation chamber to form permeation irrigation, so that the water is effectively prevented from being evaporated in a non-point source manner; the water storage chamber continuously supplies water to the irrigation chamber through the liquid level regulating mechanism, so that frequent watering is avoided; meanwhile, part of irrigation openings are closed or opened through the quantitative irrigation mechanism, and the start or the end of irrigation operation is controlled through the irrigation start-stop mechanism, so that the purpose of quantitative irrigation is achieved.
Description
Technical Field
The invention relates to the technical field of fruit tree planting, in particular to a hole-fertilization quantitative irrigation device.
Background
Traditional orchard irrigation is direct with the watering near fruit tree root, absorbs moisture by oneself through the root system of fruit tree, and this kind of irrigation mode has following shortcoming: 1) the method is easy to cause non-point source evaporation of water, so that water loss and waste are caused, and an optimal and balanced water supply is difficult to provide for crops; 2) when the watering process is completed once, the time efficiency is poor, the watering is frequent, and the labor capacity is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the hole-applied quantitative irrigation device provided by the invention solves the technical problems that the surface source evaporation of water is easy to cause and the watering is frequent in the existing fruit tree irrigation.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a quantitative irrigation device for hole application comprises a box body, a box cover, a liquid level regulating mechanism, a quantitative irrigation mechanism and an irrigation starting and stopping mechanism; the inside of the box body is provided with a partition plate which divides the inner cavity of the box body into a water storage chamber and an irrigation chamber; the bottom of the partition plate is provided with a water replenishing port, the bottom of the irrigation chamber is provided with at least two irrigation ports, and each irrigation port is internally provided with a permeable pore plate for permeable drainage to the outside of the box body; the liquid level regulating mechanism is arranged on one side, close to the irrigation chamber, of the partition plate and comprises a floating ball, a rotating rod, a sliding sleeve and a stop block, the middle of the rotating rod is hinged to the box body, the floating ball is arranged at one end, away from the water replenishing port, of the rotating rod, the sliding sleeve is arranged at one end, close to the water replenishing port, of the rotating rod, the sliding sleeve is in sliding connection with the rotating rod, the bottom end of the sliding sleeve is hinged to the top end of the stop block, the stop block is in sliding connection with the partition; the quantitative irrigation mechanism comprises a first screw rod, a pressing plate, a tension spring and a sealing block, the first screw rod is in threaded connection with the tank cover, the pressing plate is located below the first screw rod, the pressing plate is hung on the bottom surface of the tank cover through the tension spring, the sealing block is arranged on the bottom surface of the pressing plate, and the sealing block corresponds to the irrigation opening; irrigation opens shut down the mechanism and includes the third screw rod, third screw rod and case lid threaded connection, the third screw rod is located the dog top.
Optionally, the quantitative irrigation mechanism further comprises a pressing cylinder, a second screw, a rotating block, a pressing rod and an annular plate; the pressing cylinder is arranged at the bottom end of the first screw rod, the first screw rod is arranged in a hollow mode, the second screw rod is in threaded connection with the axis of the first screw rod, the rotating block is in rotating connection with the bottom end of the second screw rod, at least two limiting grooves are formed in the periphery of the pressing cylinder, one pressing rod is contained in each limiting groove, and one end, close to the second screw rod, of each pressing rod is hinged to the rotating block; the annular plate is located the clamp plate top, just the annular plate also hoists in the case lid bottom surface through the extension spring, the annular plate bottom surface also is equipped with sealed piece.
Optionally, an inner box is arranged on the bottom surface of the box cover, the pressing plate is connected with the inner box through a tension spring, and the annular plate is also connected with the inner box through a tension spring.
Optionally, a guide cylinder is sleeved on the periphery of the tension spring, and the top end of the guide cylinder is connected with the inner box.
Optionally, the pressing cylinder comprises a first cylinder body and a second cylinder body, and the first cylinder body and the second cylinder body are connected.
Optionally, still include liquid level warning mechanism, liquid level warning mechanism includes rotor plate and liquid level pole, the rotor plate middle part is articulated with irrigation room bottom, rotor plate one end is located the floater below, the mode setting that the liquid level pole can slide from top to bottom is on the case lid, floater one end butt is kept away from with the rotor plate to liquid level pole bottom.
Optionally, the periphery of the top end of the liquid level rod is provided with a warning layer.
According to the technical scheme, the invention has the beneficial effects that:
the invention relates to a hole-application quantitative irrigation device, which comprises a box body, a box cover, a liquid level regulating mechanism, a quantitative irrigation mechanism and an irrigation starting and stopping mechanism; the inside of the box body is provided with a partition plate which divides the inner cavity of the box body into a water storage chamber and an irrigation chamber; the bottom of the partition plate is provided with a water replenishing port, the bottom of the irrigation chamber is provided with at least two irrigation ports, and each irrigation port is internally provided with a permeable pore plate for permeable drainage to the outside of the box body; the liquid level regulating mechanism is arranged on one side, close to the irrigation chamber, of the partition plate and comprises a floating ball, a rotating rod, a sliding sleeve and a stop block, the middle of the rotating rod is hinged to the box body, the floating ball is arranged at one end, away from the water replenishing port, of the rotating rod, the sliding sleeve is arranged at one end, close to the water replenishing port, of the rotating rod, the sliding sleeve is in sliding connection with the rotating rod, the bottom end of the sliding sleeve is hinged to the top end of the stop block, the stop block is in sliding connection with the partition; the quantitative irrigation mechanism comprises a first screw rod, a pressing plate, a tension spring and a sealing block, the first screw rod is in threaded connection with the tank cover, the pressing plate is located below the first screw rod, the pressing plate is hung on the bottom surface of the tank cover through the tension spring, the sealing block is arranged on the bottom surface of the pressing plate, and the sealing block corresponds to the irrigation opening; irrigation opens shut down the mechanism and includes the third screw rod, third screw rod and case lid threaded connection, the third screw rod is located the dog top. The irrigation device is buried around the fruit trees, and water is slowly released to the soil layer at the roots of the fruit trees through the permeation holes arranged in the irrigation chamber to form permeation irrigation, so that the water is effectively prevented from being evaporated in a non-point source manner; the water storage chamber continuously supplies water to the irrigation chamber through the liquid level regulating mechanism, so that frequent watering is avoided; meanwhile, part of irrigation openings are closed or opened through the quantitative irrigation mechanism, and the start or the end of irrigation operation is controlled through the irrigation start-stop mechanism, so that the purpose of quantitative irrigation is achieved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic perspective view of a hole-irrigation device;
FIG. 2 is a schematic structural diagram of a case;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a top view of the case;
FIG. 5 is a cross-sectional view of the liquid level adjustment mechanism;
FIG. 6 is a cross-sectional view of another embodiment of a fluid level adjustment mechanism;
FIG. 7 is a schematic perspective view of a quantitative irrigation mechanism;
FIG. 8 is a cross-sectional view of a dosing mechanism;
FIG. 9 is an enlarged view at B in FIG. 8;
FIG. 10 is a schematic structural view of a pressing cylinder;
FIG. 11 is an enlarged view at C of FIG. 10;
FIG. 12 is a cross-sectional view of another embodiment of a dosing mechanism;
FIG. 13 is a cross-sectional view of another embodiment of a dosing mechanism;
reference numerals:
1-box body, 2-box cover, 3-liquid level regulating mechanism, 4-liquid level warning mechanism, 5-quantitative irrigation mechanism and 6-third screw rod;
21-inner box, 11-partition plate, 12-water storage chamber, 13-irrigation chamber, 14-irrigation opening, 15-water replenishing opening, 31-floating ball, 32-rotating rod, 33-sliding sleeve, 34-stop block, 41-rotating plate, 42-liquid level rod, 51-first screw, 52-pressing cylinder, 53-pressing plate, 54-tension spring, 55-second screw, 56-rotating block, 57-pressing rod, 58-annular plate and 59-sealing block;
521-a limiting groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
The first embodiment is as follows:
referring to fig. 1-9, the present invention provides a device for quantitative irrigation in hole application, which comprises a box body 1, a box cover 2, a liquid level control mechanism 3, a quantitative irrigation mechanism 5 and an irrigation start/stop mechanism. A partition plate 11 is arranged in the box body 1, and the partition plate 11 divides the inner cavity of the box body 1 into a water storage chamber 12 and an irrigation chamber 13. The bottom of the partition plate 11 is provided with a water replenishing port 15, and the water storage chamber 12 is communicated with the irrigation chamber 13 through the water replenishing port 15. The lid is also provided with a water injection port (not shown) located above the reservoir 12. The bottom of the irrigation chamber 13 is provided with two irrigation holes 14, and each irrigation hole 14 is internally provided with a permeable pore plate for permeable drainage to the outside of the box body 1. Division board 11 is close to and is equipped with irrigation room 13 one side liquid level regulation and control mechanism 3 please refer to fig. 2-6, liquid level regulation and control mechanism 3 includes floater 31, dwang 32, sliding sleeve 33 and dog 34, dwang 32 middle part is articulated with box 1, dwang 32 is kept away from moisturizing mouth 15 one end and is equipped with floater 31, dwang 32 is close to moisturizing mouth 15 one end and is equipped with sliding sleeve 33, sliding sleeve 33 and dwang 32 sliding connection, sliding sleeve 33 bottom is articulated with dog 34 top, dog 34 and division board 11 sliding connection, just dog 34 corresponds with moisturizing mouth 15 positions. Specifically, the floating ball 31 fluctuates up and down along with the liquid level in the irrigation chamber 13, and then the rotating rod 32 and the sliding sleeve 33 drive the stopper 34 to slide up and down, so as to open or close the water replenishing port 15. Referring to fig. 5, when the water source in the irrigation chamber 13 is sufficient, the liquid level is high, so that the floating ball 31 floats upwards, and the stopper 34 is pressed down by the rotating rod 32 to close the water inlet 15; referring to fig. 6, when the water supply in the irrigation chamber 13 is insufficient, the liquid level drops, the floating ball 31 sinks, the stopper 34 is lifted by the rotating rod 32 to open the water inlet 15, and the water storage chamber 12 supplies water to the irrigation chamber 13. Referring to fig. 8-9, the quantitative irrigation mechanism 5 includes a first screw 51, a pressing plate 53, a tension spring 54 and a sealing block 59, the first screw 51 is connected to the box cover 2 by a thread, the pressing plate 53 is located below the first screw 51, the pressing plate 53 is hung on the bottom surface of the box cover 2 by the tension spring 54, the sealing block 59 is arranged on the bottom surface of the pressing plate 53, and the sealing block 59 corresponds to one of the irrigation openings 14. As the growth period and season of the fruit tree change, the irrigation amount of the fruit tree needs to be adjusted adaptively, so that the quantitative irrigation mechanism 5 is adopted to abut against and push the pressure plate 53 to press downwards by rotating the first screw 51 when needed, so that the sealing block 59 on the bottom surface of the pressure plate 53 closes one of the irrigation openings 14, and the irrigation amount is reduced. The irrigation starting and stopping mechanism comprises a third screw rod 6, the third screw rod 6 is in threaded connection with the box cover 2, and the third screw rod 6 is located above the stop block 34. When the fruit tree does not need irrigation, such as in rainy season, the stopper 34 is pressed down by screwing the screw to close the water replenishing port 15, so that the liquid level regulating mechanism 3 is disabled, and the irrigation is stopped after residual water in the irrigation chamber 13 is discharged. Preferably, handles are connected to the rod bodies of the first screw and the third screw extending out of the box cover 2, so as to facilitate screwing the screws.
Example two:
compared with the first embodiment, the present embodiment sets the irrigation openings to at least three. Referring to fig. 7-13, the quantitative irrigation mechanism 5 further includes a pressing cylinder 52, a second screw 55, a rotating block 56, a pressing rod 57 and an annular plate 58. The pressing cylinder 52 is arranged at the bottom end of the first screw rod 51, the first screw rod 51 is arranged in a hollow mode, the second screw rod 55 is in threaded connection with the axis of the first screw rod 51, the rotating block 56 is in rotational connection with the bottom end of the second screw rod 55, at least two limiting grooves 521 are formed in the periphery of the pressing cylinder 52, one pressing rod 57 is accommodated in each limiting groove 521, and one end, close to the second screw rod 55, of each pressing rod 57 is hinged to the rotating block 56. Preferably, the pressing cylinder 52 comprises a first cylinder body and a second cylinder body, the first cylinder body and the second cylinder body are connected, the pressing cylinder 52 is manufactured in a split mode, and the opening of the limiting groove 521 and the installation of the pressing rod 57 are facilitated. Preferably, the bottom end of the pressing cylinder 52 is provided with a roller or a ball to reduce the friction loss between the bottom surface of the pressing cylinder 52 and the top surface of the pressing plate 53 when the first screw 51 rotates and moves downwards. The annular plate 58 is located above the pressing plate 53, the annular plate 58 is also hung on the bottom surface of the box cover 2 through the tension spring 54, and the bottom surface of the annular plate 58 is also provided with a sealing block 59. In particular, referring to fig. 9, a through hole is further formed in the annular plate 58, so that the tension springs on the two sides of the pressure plate 53 are connected with the case cover 2 after passing through the through hole, and interference influence is avoided. Referring to fig. 8-11, when the second screw 55 rotates and moves downward relative to the first screw 51, the two pressing rods 57 extend to the outside of the pressing cylinder 52 under the thrust of the limiting groove 521, the turning block 56 and the second screw 55. Referring to fig. 13, first, the first screw 51 moves upward and is separated from contact with the pressing plate 53, specifically, a blind hole is formed on the periphery of the first screw 51, and when the first screw is screwed to move upward and the blind hole exceeds the box cover, the first screw is separated from contact with the pressing plate; then screwing the second screw 55 to move downwards to extend the pressure rod 57; then screwing the first screw 51 to move downwards to enable one end of the pressure rod 57 far away from the second screw 55 to abut against the annular plate 58; the first screw 51 is continuously screwed to move downwards to press the pressure plate 53 and the annular plate 58 downwards, so that the sealing blocks 59 below the pressure plate 53 and the sealing blocks 59 below the annular plate 58 simultaneously seal at least two irrigation openings 14, further changing the irrigation amount and realizing more accurate adjustment of the irrigation amount.
As a further improvement to the second embodiment, 9 irrigation openings are provided, and the 9 irrigation openings are arranged in a grid pattern, as shown in fig. 4, wherein the cross-sectional area of the irrigation opening located in the center is 2 times that of the irrigation openings located at the outer side 8, and the bottom surface of the annular plate 58 is provided with 3 sealing blocks. When the pressure rod 57 is accommodated in the pressure cylinder 52, the first screw 51 is screwed to press the pressure plate 53 only to close the central irrigation opening, so that the irrigation amount of the irrigation chamber 13 is reduced 1/5, as shown in fig. 12; when the pressing rod 57 extends out of the pressing cylinder 52, the first screw 51 is screwed to press the pressing plate 53 and the annular plate 58 downward at the same time, so as to close 4 irrigation openings including the central irrigation opening at the same time, and the irrigation amount of the irrigation chamber 13 is reduced 1/2, as shown in fig. 13.
The irrigation device is buried around the fruit trees, and water is slowly released to the soil layer at the roots of the fruit trees through the permeation holes arranged in the irrigation chamber to form permeation irrigation, so that the water is effectively prevented from being evaporated in a non-point source manner; the water storage chamber continuously supplies water to the irrigation chamber through the liquid level regulating mechanism, so that frequent watering is avoided; meanwhile, part of irrigation openings are closed or opened through the quantitative irrigation mechanism, and the start or the end of irrigation operation is controlled through the irrigation start-stop mechanism, so that the purpose of quantitative irrigation is achieved.
As a further improvement to the above solution, the bottom surface of the box cover 2 is provided with the inner box 21, the pressing plate 53 is connected with the inner box 21 through the tension spring 54, the annular plate 58 is also connected with the inner box 21 through the tension spring 54, and the installation length of the tension spring 54 is reduced by providing the inner box 21. The guide cylinder is sleeved on the periphery of the tension spring 54, the top end of the guide cylinder is connected with the inner box 21, and the guide cylinder ensures that the telescopic path of the tension spring 54 is consistent so as to prevent the pressure plate 53 and/or the annular plate 58 from shaking.
As a further improvement to the above scheme, the device further comprises a liquid level warning mechanism 4, wherein the liquid level warning mechanism 4 comprises a rotating plate 41 and a liquid level rod 42, the middle part of the rotating plate 41 is hinged to the bottom of the irrigation chamber 13, one end of the rotating plate 41 is located below the floating ball 31, the liquid level rod 42 is arranged on the tank cover 2 in a manner of sliding up and down, and the bottom end of the liquid level rod 42 is abutted to one end, far away from the floating ball 31, of the rotating plate 41. Specifically, when the water source in the water storage chamber 12 is sufficient, the floating ball 31 is not in contact with the rotating plate 41, i.e., the liquid level rod 42 is hidden in the box cover 2 as shown in fig. 5; when the water storage chamber 12 is short of water, the floating ball 31 sinks, the water storage chamber 12 is communicated with the irrigation chamber 13, the liquid level is equal to the height and continuously drops, the floating ball 31 continues to sink to press the rotating plate 41 due to the fact that the penetration holes are still in irrigation operation, the right side of the rotating plate 41 is lifted, and the liquid level rod 42 is pushed out of the box cover 2. Preferably, the liquid level rod 42 is provided with a warning layer (not shown) on the top end periphery, such as a red coating or a yellow coating. Further, the warning layer is the night light coating, and if illumination is too strong daytime, the color coating of simplicity is difficult for perceiving, sets up the night light coating in order to be more easily found when night in warning pole top periphery.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A hole application quantitative irrigation device is characterized in that: comprises a box body (1), a box cover (2), a liquid level regulating mechanism (3), a quantitative irrigation mechanism (5) and an irrigation starting and stopping mechanism; a partition plate (11) is arranged in the box body (1), and the partition plate (11) divides the inner cavity of the box body (1) into a water storage chamber (12) and an irrigation chamber (13); a water replenishing opening (15) is formed in the bottom of the partition plate (11), at least two irrigation openings (14) are formed in the bottom of the irrigation chamber (13), and a penetration pore plate is arranged in each irrigation opening (14) to perform penetration type drainage towards the outside of the box body (1); the liquid level regulating and controlling mechanism (3) is arranged on one side, close to the irrigation chamber (13), of the partition plate (11), the liquid level regulating and controlling mechanism (3) comprises a floating ball (31), a rotating rod (32), a sliding sleeve (33) and a stop block (34), the middle of the rotating rod (32) is hinged to the box body (1), the floating ball (31) is arranged at one end, away from the water replenishing port (15), of the rotating rod (32), the sliding sleeve (33) is arranged at one end, close to the water replenishing port (15), of the rotating rod (32), the sliding sleeve (33) is in sliding connection with the rotating rod (32), the bottom end of the sliding sleeve (33) is hinged to the top end of the stop block (34), the stop block (34) is in sliding connection with the partition plate (11), and the; the quantitative irrigation mechanism (5) comprises a first screw rod (51), a pressure plate (53), a tension spring (54) and a sealing block (59), the first screw rod (51) is in threaded connection with the box cover (2), the pressure plate (53) is located below the first screw rod (51), the pressure plate (53) is hung on the bottom surface of the box cover (2) through the tension spring (54), the sealing block (59) is arranged on the bottom surface of the pressure plate (53), and the sealing block (59) corresponds to the irrigation opening (14); irrigation opens shutdown mechanism includes third screw rod (6), third screw rod (6) and case lid (2) threaded connection, third screw rod (6) are located dog (34) top.
2. The hole application dosing irrigation device of claim 1, wherein: the quantitative irrigation mechanism (5) further comprises a pressing cylinder (52), a second screw (55), a rotating block (56), a pressing rod (57) and an annular plate (58); the pressing cylinder (52) is arranged at the bottom end of the first screw rod (51), the first screw rod (51) is arranged in a hollow mode, the second screw rod (55) is in threaded connection with the axis of the first screw rod (51), the rotating block (56) is in rotating connection with the bottom end of the second screw rod (55), at least two limiting grooves (521) are formed in the periphery of the pressing cylinder (52), one pressing rod (57) is accommodated in each limiting groove (521), and one end, close to the second screw rod (55), of each pressing rod (57) is hinged to the rotating block (56); the annular plate (58) is located above the pressing plate (53), the annular plate (58) is also hung on the bottom surface of the box cover (2) through the tension spring (54), and the bottom surface of the annular plate (58) is also provided with a sealing block (59).
3. The hole application dosing irrigation device of claim 2, wherein: box (21) in case lid (2) bottom surface is equipped with, clamp plate (53) are connected with interior box (21) through extension spring (54), annular plate (58) are also connected with interior box (21) through extension spring (54).
4. The hole application dosing irrigation device of claim 3, wherein: the guide cylinder is sleeved on the periphery of the tension spring (54), and the top end of the guide cylinder is connected with the inner box (21).
5. The hole application dosing irrigation device of claim 2, wherein: the pressing cylinder (52) comprises a first cylinder body and a second cylinder body, and the first cylinder body is connected with the second cylinder body.
6. The hole application dosing device according to any one of claims 1-5, wherein: still include liquid level warning mechanism (4), liquid level warning mechanism (4) include rotor plate (41) and liquid level pole (42), rotor plate (41) middle part is articulated with irrigation room (13) bottom, rotor plate (41) one end is located floater (31) below, liquid level pole (42) set up on case lid (2) with the mode that can slide from top to bottom, floater (31) one end butt is kept away from with rotor plate (41) to liquid level pole (42) bottom.
7. The hole application dosing irrigation device according to any one of claims 6, wherein: the periphery of the top end of the liquid level rod (42) is provided with a warning layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902752.2A CN111919712B (en) | 2020-09-01 | 2020-09-01 | Quantitative irrigation device for hole application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902752.2A CN111919712B (en) | 2020-09-01 | 2020-09-01 | Quantitative irrigation device for hole application |
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| CN111919712A true CN111919712A (en) | 2020-11-13 |
| CN111919712B CN111919712B (en) | 2022-04-22 |
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| CN102224798A (en) * | 2011-04-18 | 2011-10-26 | 北京林业大学 | Water supplying device |
| CN203723202U (en) * | 2014-01-25 | 2014-07-23 | 宋健 | Floating body type farmland pipeline irrigation multifunctional hydrant |
| CN103749245A (en) * | 2014-01-25 | 2014-04-30 | 宋健 | Floating type multifunctional hydrant for farmland pipeline irrigation |
| CN204403516U (en) * | 2015-01-29 | 2015-06-17 | 东北石油大学 | Hydrant |
| CN207100002U (en) * | 2017-06-26 | 2018-03-16 | 杭州景睿建设工程有限公司 | A kind of treegarden irrigation device with water-saving function |
| CN208175618U (en) * | 2018-05-17 | 2018-12-04 | 云南集创园艺科技有限公司 | A kind of efficient water-saving irrigation device |
| CN108834831A (en) * | 2018-06-01 | 2018-11-20 | 中国水稻研究所 | A kind of paddy field irrigation device of controllable irrigation level |
| CN208956441U (en) * | 2018-09-11 | 2019-06-11 | 石屏县卓易农业科技开发有限公司 | A kind of Kiwi berry plantation irrigation rig |
| CN109812585A (en) * | 2019-02-22 | 2019-05-28 | 林方杰 | A kind of anti-blocking sewage conduct valve |
| CN109937668A (en) * | 2019-03-20 | 2019-06-28 | 任禹蒙 | A kind of rod-pulling type Liquid Fertilizer quantitative fertilizer applicator |
| CN110593228A (en) * | 2019-09-25 | 2019-12-20 | 周能为 | Automatic constant water device that irrigates in farmland |
| CN111528065A (en) * | 2020-06-11 | 2020-08-14 | 丁水生 | Automatic irrigation equipment for garden planting |
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