CN217523233U - Automatic sprinkler of water-soluble fertilizer of soil fertility improvement - Google Patents
Automatic sprinkler of water-soluble fertilizer of soil fertility improvement Download PDFInfo
- Publication number
- CN217523233U CN217523233U CN202220354678.XU CN202220354678U CN217523233U CN 217523233 U CN217523233 U CN 217523233U CN 202220354678 U CN202220354678 U CN 202220354678U CN 217523233 U CN217523233 U CN 217523233U
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- Prior art keywords
- fixedly connected
- fertilizer
- water
- output shaft
- box
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- Expired - Fee Related
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 105
- 239000002689 soil Substances 0.000 title claims abstract description 22
- 230000035558 fertility Effects 0.000 title claims abstract description 13
- 230000006872 improvement Effects 0.000 title abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 241000209128 Bambusa Species 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 230000004720 fertilization Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012271 agricultural production Methods 0.000 abstract description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Fertilizing (AREA)
Abstract
The utility model discloses an automatic sprinkler of soil fertility improvement water-soluble fertilizer belongs to agricultural production technical field. An automatic sprinkler of water-soluble fertilizer of soil fertility, includes: the front end of the bearing vehicle is provided with a connecting piece; the fertilizer box is fixedly connected to the bearing vehicle through a support rod; the output shaft is rotatably connected in the fertilizer box, and the lower end of the output shaft is connected with a rotating shaft of the moving wheel of the bearing vehicle through a transmission assembly; the stirring rods are uniformly distributed on the output shaft; the suction cylinder is fixedly connected in the fertilizer box and is positioned on two sides of the output shaft; the utility model discloses under the condition that does not increase any electrical equipment, only rely on the removal of bearing the weight of the car alright make whole device function, not only can reduce the expense of later stage maintenance, can also reduction in production cost, the effectual practicality that improves the device is suitable for and uses widely.
Description
Technical Field
The utility model relates to an agricultural production technical field especially relates to an automatic sprinkler of soil fertility intensifier water-soluble fertilizer.
Background
The fertilizer is a substance which can supply nutrients required by the growth and development of crops, improve the soil properties and improve the yield and quality of the crops, is an important production material in agricultural production, mainly comprises ammonium phosphate fertilizers, water-soluble fertilizers containing major elements, medium-element fertilizers and the like, wherein the water-soluble fertilizers are very easy to be dissolved in water and can be sprayed to the soil surface in a spraying mode, so the fertilizer is widely used in agricultural production.
But the automatic sprinkler of current water-soluble fertilizer need rely on the water pump to spray water-soluble fertilizer when spraying, after long-time use, the water pump breaks down easily, not only influence work efficiency, still greatly increased the cost of maintenance in later stage, the practicality is lower, simultaneously water-soluble fertilizer stores an end time back in the fertilizer case, the problem of deposit appears easily, thereby lead to spraying evenly inadequately, consequently, the automatic sprinkler of soil fertilization water-soluble fertilizer that need not increase any electrical equipment and just can carry out work solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that proposes in the above-mentioned background art, and the automatic sprinkler of a soil fertility water-soluble fertilizer who proposes.
In order to realize the purpose, the utility model adopts the following technical scheme:
an automatic sprinkler of water-soluble fertilizer of soil fertility, includes: the front end of the bearing vehicle is provided with a connecting piece; the fertilizer box is fixedly connected to the bearing vehicle through a support rod; the output shaft is rotationally connected in the fertilizer box, and the lower end of the output shaft is connected with a rotating shaft of a movable wheel of the bearing vehicle through a transmission assembly; the stirring rods are uniformly distributed on the output shaft; the suction cylinder is fixedly connected in the fertilizer box and is positioned on two sides of the output shaft; the T-shaped rod is connected in the suction cylinder in a sliding manner; the eccentric wheel is fixedly connected to the output shaft, wherein one end of the T-shaped rod, close to the eccentric wheel, is in sliding connection with the eccentric wheel through a connecting block; the reposition of redundant personnel case is installed one side of connecting piece is kept away from to the fertilizer case upper end, and keeps away from one side evenly distributed of connecting piece has a plurality of sprinkler heads, wherein, the water inlet fixedly connected with connecting pipe of reposition of redundant personnel case, two water inlets of connecting pipe are connected with the delivery port of two suction section of thick bamboos respectively, the water inlet fixedly connected with of suction section of thick bamboo inhales the material pipe, inhale the bottom that material pipe downwardly extending to the fertilizer case, all be equipped with the check valve in the business turn over material mouth of suction section of thick bamboo.
For the convenience of shunt box goes up the scope of spraying of sprinkler head, preferably, the shunt box rotates through the dwang and connects on the fertilizer case, the output shaft upwards extends the fertilizer case, and half tooth gear of fixedly connected with, annular ring has been cup jointed on the half tooth gear, intermittent type meshing between annular ring and the half tooth gear, the first telescopic link of both sides fixedly connected with of annular ring, first telescopic link passes through the riser and installs on the fertilizer case, fixedly connected with second telescopic link on the dwang, rotate between the flexible end of second telescopic link and the annular ring and be connected.
In order to facilitate the stability of improvement dwang, furtherly, the fertilizer case is close to the fixed position connection support of dwang, the dwang swivelling joint is on the support.
In order to facilitate conveying the kinetic energy of the rotating shaft on the moving wheel of the bearing vehicle to the output shaft, preferably, the transmission assembly comprises a transmission rod, a first bevel gear and a second bevel gear, the transmission rod is rotatably connected to the position, close to the fertilizer box, of the bearing vehicle through a fixing block, a first belt wheel is fixedly connected to one end of the rotating shaft of the moving wheel of the bearing vehicle, a second belt wheel is fixedly connected to one end, close to the first belt wheel, of the transmission rod, the first belt wheel is connected with the second belt wheel through a belt, the first bevel gear is fixedly connected to one end, far away from the second belt wheel, of the transmission rod, the second bevel gear is fixedly connected to the lower end of the output shaft, and the first bevel gear is meshed with the second bevel gear.
In order to seal the rotary joint of the output shaft and the fertilizer box, the rotary joint of the output shaft and the fertilizer box is preferably connected in a sealing manner through a sealing element.
In order to improve the stability of the device, preferably, a counterweight is installed on one side of the bearing vehicle close to the connecting piece.
Compared with the prior art, the utility model provides an automatic sprinkler of soil fertility intensifier water-soluble fertilizer possesses following beneficial effect:
1. according to the automatic spraying device for the soil fertility-increasing water-soluble fertilizer, the suction cylinders are arranged on the two sides of the output shaft, so that the problem of intermittent conveying of a single suction cylinder can be solved, uninterrupted conveying of the water-soluble fertilizer to the flow distribution box is effectively guaranteed, and the spraying continuity of the water-soluble fertilizer is improved;
2. according to the automatic spraying device for the water-soluble fertilizer for soil fertility enhancement, the flow distribution box can be driven to rotate in a forward and reverse reciprocating mode through the arrangement of the half-tooth gear, the annular gear ring, the rotating rod, the first telescopic rod and the second telescopic rod, so that the spraying range of the spraying head on the flow distribution box is enlarged, and the working efficiency of the automatic spraying device for the water-soluble fertilizer is effectively improved when the water-soluble fertilizer is sprayed;
3. this automatic sprinkler of soil fertility intensifier water-soluble fertilizer through the setting of puddler, when the device carries out the during operation, can last to continuously stir the water-soluble fertilizer in the fertilizer case, prevents the problem of sediment, has guaranteed the homogeneity of nutrient composition in the water-soluble fertilizer.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses under the condition that does not increase any electrical equipment, only rely on the removal of bearing the weight of the car alright make whole device function, not only can reduce later stage maintenance's expense, can also reduce manufacturing cost, the effectual practicality that has improved the device is suitable for using widely.
Drawings
Fig. 1 is a schematic structural view of an automatic spraying device for soil-fertilizing water-soluble fertilizer provided by the utility model;
fig. 2 is a schematic structural view of a half-tooth gear, an annular gear ring, a first telescopic rod, a second telescopic rod and a flow distribution box in the automatic soil-fertilizing water-soluble fertilizer spraying device provided by the utility model;
FIG. 3 is a schematic structural view of part A of FIG. 1 of the automatic spraying apparatus for soil-fertilizing water-soluble fertilizer of the present invention;
FIG. 4 is a schematic structural view of a portion B in FIG. 2 of the automatic soil fertilizing water-soluble fertilizer spraying device of the present invention;
fig. 5 is a schematic structural view of a flow distribution box, a second telescopic rod, a rotating rod and a bracket in the automatic soil-fertilizing water-soluble fertilizer spraying device provided by the utility model;
fig. 6 is the utility model provides a bear the weight of the structure schematic diagram of car, conveying assembly, can fertilizer in the automatic sprinkler of soil fertility water-soluble fertilizer.
In the figure: 1. a load-bearing vehicle; 101. a connecting member; 2. a fertilizer box; 3. a transmission rod; 4. an output shaft; 5. a stirring rod; 6. a half-tooth gear; 7. an annular ring gear; 8. a first telescopic rod; 9. a second telescopic rod; 10. a shunt box; 11. rotating the rod; 12. a suction cylinder; 13. a T-shaped rod; 14. an eccentric wheel; 15. a support; 16. a balancing weight; 17. a connecting pipe; 18. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-6, an automatic spraying device for soil-fertilizing water-soluble fertilizer comprises: the front end of the carrier vehicle 1 is provided with a connecting piece 101; the fertilizer box 2 is fixedly connected to the bearing vehicle 1 through a support rod; the output shaft 4 is rotationally connected in the fertilizer box 2, and the lower end of the output shaft is connected with a rotating shaft of a moving wheel of the bearing vehicle 1 through a transmission assembly; the stirring rods 5 are uniformly distributed on the output shaft 4; the suction cylinder 12 is fixedly connected in the fertilizer box 2 and is positioned at two sides of the output shaft 4; a T-shaped rod 13 which is connected in a sliding way in the suction cylinder 12; the eccentric wheel 14 is fixedly connected to the output shaft 4, wherein one end of the T-shaped rod 13 close to the eccentric wheel 14 is connected with the eccentric wheel 14 in a sliding mode through a connecting block 18; shunt box 10, install the one side of keeping away from connecting piece 101 in 2 upper ends of can fertilizer, and the one side evenly distributed who keeps away from connecting piece 101 has a plurality of sprinkler heads, wherein, the water inlet fixedly connected with connecting pipe 17 of shunt box 10, two water inlets of connecting pipe 17 are connected with the delivery port of two suction section of thick bamboos 12 respectively, the pipe is inhaled to the water inlet fixedly connected with of suction section of thick bamboo 12, inhale the bottom that the pipe downwardly extending reaches can fertilizer 2, all be equipped with the check valve in the business turn over material mouth of suction section of thick bamboo 12.
When the device is used, a worker firstly transports the device to the field needing water-soluble fertilizer spraying, then the water-soluble fertilizer is conveyed into the fertilizer box 2, finally the bearing vehicle 1 is connected with an external tractor through the connecting piece 101, then the worker drives the tractor to drive the device to move in the field, so that soil in the field is fertilized, when the tractor drives the bearing vehicle 1 to move, a rotating shaft on a moving wheel of the bearing vehicle 1 drives the output shaft 4 to rotate through the transmission component, the output shaft 4 drives the eccentric wheel 14 to rotate, the eccentric wheel 14 drives the T-shaped rods 13 on two sides to reciprocate in the suction cylinders 12 on the same side through the connecting piece 18, so that the water-soluble fertilizer in the fertilizer box 2 is conveyed into the shunt box 10 through the connecting pipe 17, the problem of intermittent conveying of the single suction cylinder 12 can be solved by arranging the suction cylinders 12 on two sides of the output shaft 4, the uninterrupted conveying of the water-soluble fertilizer to the shunt box 10 is effectively ensured, the continuity of the water-soluble fertilizer in the shunt box 10 is improved, and then the water-soluble fertilizer is shunted to a plurality of sprinkler heads;
because fixedly connected with puddler 5 on the output shaft 4, consequently when output shaft 4 drives eccentric wheel 14 and carries out the pivoted, can also drive puddler 5 and rotate, thereby continuously stir the water-soluble fertilizer in the can of fertilize 2, guarantee the homogeneity of nutrient composition in the water-soluble fertilizer, this device is under the condition that does not increase any electrical equipment simultaneously, only rely on the removal that bears car 1 alright make whole device operate, not only can reduce the expense of later stage maintenance, can also reduce manufacturing cost, the effectual practicality that has improved the device, and is suitable for popularization and use.
Example 2:
referring to fig. 1-6, an automatic spraying device for soil-fertilizing water-soluble fertilizer is substantially the same as that in example 1, and further comprises: the distributing box 10 is rotatably connected to the fertilizer box 2 through a rotating rod 11, the output shaft 4 extends upwards out of the fertilizer box 2 and is fixedly connected with a half-tooth gear 6, an annular gear ring 7 is sleeved on the half-tooth gear 6, the annular gear ring 7 is intermittently meshed with the half-tooth gear 6, first telescopic rods 8 are fixedly connected to two sides of the annular gear ring 7, the first telescopic rods 8 are mounted on the fertilizer box 2 through vertical plates, a second telescopic rod 9 is fixedly connected to the rotating rod 11, the telescopic end of the second telescopic rod 9 is rotatably connected with the annular gear ring 7, when the output shaft 4 rotates, the upper half-tooth gear 6 is driven to rotate, then the annular gear ring 7 can reciprocate left and right under the action of the half-tooth gear 6, the annular gear ring 7 drives the rotating rod 11 to rotate forward and backward through the second telescopic rod 9, so that the distributing box 10 rotates forward and backward, the spraying range of a spraying head on the distributing box 10 is increased, and the working efficiency of the device during water-soluble fertilizer is effectively increased;
the fertilizer box 2 is close to the position fixed connection support 15 of dwang 11, and dwang 11 swivelling joint is on support 15, through support 15's setting, when dwang 11 rotates, can play the effect that supports spacingly to dwang 11, prevents that dwang 11 from taking place to incline because of reposition of redundant personnel case 10 is heavier, the effectual stability that improves dwang 11.
Example 3:
referring to fig. 1-6, an automatic spraying device for soil-fertilizing water-soluble fertilizer is substantially the same as that in example 1, and further comprises: the transmission assembly comprises a transmission rod 3, a first bevel gear and a second bevel gear, the transmission rod 3 is connected to the position, close to the fertilizer box 2, of the bearing vehicle 1 through the rotation of a fixing block, the first belt wheel is fixedly connected to one end of a rotating shaft of a moving wheel of the bearing vehicle 1, the second belt wheel is fixedly connected to one end, close to the first belt wheel, of the transmission rod 3, the first belt wheel is connected to the second belt wheel through a belt, the first bevel gear is fixedly connected to one end, far away from the second belt wheel, of the transmission rod 3, the second bevel gear is fixedly connected to the lower end of an output shaft 4, when the bearing vehicle 1 is driven by an external driving machine to move, the rotating shaft of the moving wheel of the bearing vehicle 1 can drive the first belt wheel to rotate, the first belt wheel drives the second belt wheel to rotate through the belt, the second belt wheel drives the transmission rod 3 to rotate through the first bevel gear, the second bevel gear drives the output shaft 4 to rotate again, and therefore the whole device can operate.
Example 4:
referring to fig. 1-6, an automatic spraying device for soil-fertilizing water-soluble fertilizer is substantially the same as that in example 1, and further comprises: the rotary joint of the output shaft 4 and the fertilizer box 2 is hermetically connected through a sealing element, and the sealing element can play a role in sealing the rotary joint of the output shaft 4 and the fertilizer box 2, so that water-soluble fertilizer in the fertilizer box 2 is prevented from flowing out through a gap to cause waste, and the sealing property is effectively improved;
bear car 1 and be close to one side of connecting piece 101 and install balancing weight 16, through balancing weight 16's setting, can improve the balance that bears car 1, prevent to carry full water-soluble fertilizer in the fertilizer can 2 after, lead to bearing car 1 rear end heavier to the phenomenon of taking place the rollover, the effectual stability that improves the device.
The utility model discloses an all set up a suction section of thick bamboo 12 in the both sides of output shaft 4, can solve the problem of carrying of single suction section of thick bamboo 12 intermittent type, the effectual incessant water-soluble fertilizer of carrying to reposition of redundant personnel case 10 of having guaranteed, thereby the continuity that water-soluble fertilizer sprayed has been improved, setting through puddler 5, when the device carries out the during operation, can last to last the water-soluble fertilizer in the can fertilizer 2 continuously stir, prevent to appear precipitating, nutrient composition's homogeneity in the water-soluble fertilizer has been guaranteed, this device is under the condition that does not increase any electrical equipment simultaneously, only rely on the removal that bears car 1 alright make whole device carry out the function, not only can reduce the expense of later stage maintenance, and can also reduce production cost, the effectual practicality that has improved the device, and is suitable for being generalized to use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides an automatic sprinkler of water-soluble fertilizer of soil fertility betterment which characterized in that includes:
the front end of the bearing vehicle (1) is provided with a connecting piece (101);
the fertilizer box (2) is fixedly connected to the bearing vehicle (1) through a support rod;
the output shaft (4) is rotatably connected in the fertilizer box (2), and the lower end of the output shaft is connected with a rotating shaft of a moving wheel of the bearing vehicle (1) through a transmission assembly;
the stirring rods (5) are uniformly distributed on the output shaft (4);
the suction cylinder (12) is fixedly connected in the fertilizer box (2) and is positioned at two sides of the output shaft (4);
a T-shaped rod (13) slidably connected inside the suction cylinder (12);
an eccentric wheel (14) fixedly connected to the output shaft (4),
one end of the T-shaped rod (13) close to the eccentric wheel (14) is connected with the eccentric wheel (14) in a sliding mode through a connecting block (18);
the shunt box (10) is arranged on one side of the upper end of the fertilizer box (2) far away from the connecting piece (101), and a plurality of spray heads are uniformly distributed on one side far away from the connecting piece (101),
wherein, water inlet fixedly connected with connecting pipe (17) of flow divider box (10), two water inlets of connecting pipe (17) are connected with the delivery port of two suction section of thick bamboos (12) respectively, the water inlet fixedly connected with of suction section of thick bamboo (12) inhales the material pipe, inhale the bottom that the material pipe downwardly extending reaches fertilizer box (2), all be equipped with the check valve in the business turn over feed inlet of suction section of thick bamboo (12).
2. The automatic spraying device of a soil fertility intensifier water-soluble fertilizer of claim 1, wherein the shunting box (10) is rotatably connected to the fertilizer box (2) through a rotating rod (11), the output shaft (4) upwards extends out of the fertilizer box (2), and is fixedly connected with a half-tooth gear (6), an annular gear ring (7) is sleeved on the half-tooth gear (6), the annular gear ring (7) and the half-tooth gear (6) are intermittently meshed, first telescopic links (8) are fixedly connected to two sides of the annular gear ring (7), the first telescopic links (8) are installed on the fertilizer box (2) through risers, second telescopic links (9) are fixedly connected to the rotating rod (11), and the telescopic ends of the second telescopic links (9) are rotatably connected with the annular gear ring (7).
3. The automatic spraying device of the water-soluble fertilizer for the soil fertilization according to claim 2, wherein the fertilizer box (2) is close to a fixed connection bracket (15) of the rotating rod (11), and the rotating rod (11) is rotatably connected to the bracket (15).
4. The automatic spraying device for the soil fertility-increasing water-soluble fertilizer as claimed in claim 1, wherein the transmission assembly comprises a transmission rod (3), a first bevel gear and a second bevel gear, the transmission rod (3) is rotatably connected to the position, close to the fertilizer box (2), of the bearing vehicle (1) through a fixing block, a first belt wheel is fixedly connected to one end of a rotating shaft of a moving wheel of the bearing vehicle (1), a second belt wheel is fixedly connected to one end, close to the first belt wheel, of the transmission rod (3), the first belt wheel is connected with the second belt wheel through a belt, the first bevel gear is fixedly connected to one end, far away from the second belt wheel, of the transmission rod (3), the second bevel gear is fixedly connected to the lower end of the output shaft (4), and the first bevel gear is meshed with the second bevel gear.
5. The automatic spraying device for the soil-fertilizing water-soluble fertilizer as claimed in claim 1, wherein the rotary connection of the output shaft (4) and the fertilizer box (2) is sealed by a sealing member.
6. The automatic spraying device for the soil fertility-increasing water-soluble fertilizer according to claim 1, wherein a balancing weight (16) is installed on one side of the carrier vehicle (1) close to the connecting piece (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220354678.XU CN217523233U (en) | 2022-02-22 | 2022-02-22 | Automatic sprinkler of water-soluble fertilizer of soil fertility improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220354678.XU CN217523233U (en) | 2022-02-22 | 2022-02-22 | Automatic sprinkler of water-soluble fertilizer of soil fertility improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217523233U true CN217523233U (en) | 2022-10-04 |
Family
ID=83426670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220354678.XU Expired - Fee Related CN217523233U (en) | 2022-02-22 | 2022-02-22 | Automatic sprinkler of water-soluble fertilizer of soil fertility improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217523233U (en) |
-
2022
- 2022-02-22 CN CN202220354678.XU patent/CN217523233U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |