CN110754195A - Sprinkler capable of assisting in fertilization - Google Patents
Sprinkler capable of assisting in fertilization Download PDFInfo
- Publication number
- CN110754195A CN110754195A CN201911189951.7A CN201911189951A CN110754195A CN 110754195 A CN110754195 A CN 110754195A CN 201911189951 A CN201911189951 A CN 201911189951A CN 110754195 A CN110754195 A CN 110754195A
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- CN
- China
- Prior art keywords
- water
- connecting pipeline
- liquid outlet
- assisting
- fertilizer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004720 fertilization Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 239000003337 fertilizer Substances 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 9
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a shower head capable of assisting in fertilization, which comprises a guide pipe, a fertilizer pot, a spray head, a connecting pipeline and a threaded sleeve for connecting the fertilizer pot, wherein one end of the guide pipe is provided with a connector for connecting a water inlet pipeline, the other end of the guide pipe is connected with the input end of the connecting pipeline, the output end of the connecting pipeline is connected with the spray head, one end of the threaded sleeve is closed, the end surface of the closed end is fixedly connected with the outer side wall of the connecting pipeline, the threaded sleeve is communicated with the fertilizer pot through the connecting pipeline, water is injected into the fertilizer pot while spraying water, the water pressure on the side of a water injection hole is larger than that on the side of a liquid outlet hole after the threaded sleeve is filled with water, so that water is continuously injected into the pot from a small hole, and fertilizer mixed liquid in the pot enters the connecting guide pipe through a. The shower head capable of assisting in fertilizing provided by the invention has the effect of spraying fertilizer along with the fertilizer in the watering process.
Description
Technical Field
The invention relates to the technical field of showers, in particular to a shower capable of assisting in fertilization.
Background
The device of gondola water faucet as one kind watering flowers, potted plant and other plants can make the rivers become stranded or various other forms by the sub-strand rivers after passing, and common gondola water faucet can only connect the water pipe for water, when plants such as flowers, potted plant need fertilize, can only with the help of other instruments, mix earlier fertilizer after intaking in, fertilize again, lacks a gondola water faucet on the market now and can water in connecting the water pipe, can mix fertilizer and spout.
Disclosure of Invention
Aiming at the problems, the shower head capable of assisting in fertilizing is provided, and aims to realize that fertilizer can be sprayed along with the watering of a connecting water pipe.
The specific technical scheme is as follows:
a shower head capable of assisting in fertilization comprises a guide pipe, a fertilizer pot, a spray head, a connecting pipeline and a threaded sleeve used for being connected with the fertilizer pot, wherein one end of the guide pipe is provided with a connector used for being connected with a water inlet pipeline, the other end of the guide pipe is connected with the input end of the connecting pipeline, the output end of the connecting pipeline is connected with the spray head, one end of the threaded sleeve is sealed, the end face of the sealed end is fixedly connected with the outer side wall of the connecting pipeline, the other end of the threaded sleeve is connected with the opening thread of the fertilizer pot, a water injection hole and a liquid outlet hole which are communicated with the threaded sleeve and the connecting pipeline are arranged at the joint of the threaded sleeve and the connecting pipeline, the water injection hole is closer to the input end of the connecting pipeline than the liquid outlet hole, a built-in ring is arranged in the connecting pipeline and is positioned between the water, after the input of connecting tube intake, rivers partly warp the water injection hole pours into in the fertilizer kettle, another portion passes built-in ring then the shower nozzle blowout, when fill water in the fertilizer kettle, continue to intake then water in the fertilizer kettle can by extrusion in the liquid outlet and with pass built-in ring's water joins, and finally by the shower nozzle blowout.
The shower head capable of assisting in fertilizing has the characteristics that the shower head further comprises a control valve, one end, far away from the connector, of the guide pipe is connected with the input end of the control valve, and the output end of the control valve is connected with the input end of the connecting pipeline.
The beneficial effect of above-mentioned scheme is: so that the operator can conveniently open or close the switch.
Foretell gondola water faucet that can assist fertilization still has such characteristic, the control valve includes valve housing, spring and control post, water inlet and delivery port have been seted up on the valve housing, the lower extreme of spring with the upper end of control post is connected, the upper end of spring with the interior roof of valve housing is connected, the lower extreme of control post by stretch out to the outside in the valve housing, when the spring is in natural state, the control post is closed the delivery port, when pressing the lower extreme of control post and compression during the spring, the delivery port is opened, and with the water inlet intercommunication.
The beneficial effect of above-mentioned scheme is: the operator only needs to press the control column, and the water inlet can be communicated with the water outlet.
The above-mentioned sprinkler capable of assisting fertilization further has a feature that the control valve further includes a latching portion, and when the control column is pressed and the spring is compressed, the latching portion can maintain a state that the control column compresses the spring so that the water inlet and the water outlet are kept communicated.
The beneficial effect of above-mentioned scheme is: after the control column is pressed down, the water outlet can be kept in an opening state by driving the locking part.
Foretell gondola water faucet that can assist fertilization still has such characteristic, the latch portion includes T type post and cardboard, the lower extreme of T type post by valve housing is outside to insert inside, and passes the spring with the upper end of control post is connected, the upper end of T type post is located the valve housing is outside, works as when the spring is in natural state, the upper end of T type post pastes tightly valve housing's outer top surface makes the delivery port seals completely, when pressing the control post, and make when the delivery port is opened completely, the upper end of T type post with form between valve housing's the outer top surface and supply cardboard male gap.
The beneficial effect of above-mentioned scheme is: pressing the control post makes T type post leave valve housing top surface, and insert the cardboard for the unable resilience of spring is in the state of intercommunication with the water inlet to keep delivery port.
The shower head capable of assisting in fertilizing further has the characteristic that the liquid outlet hole is communicated with the upper end of the liquid outlet pipe, and the lower end of the liquid outlet pipe extends to the bottom of the fertilizer pot.
The beneficial effect of above-mentioned scheme is: when the water injection hole injects water into the fertilizer pot, the liquid flowing out of the liquid outlet hole is mixed liquid at the lower part of the fertilizer pot, and the clear water entering from the water injection hole is prevented from flowing out of the liquid outlet hole.
The sprinkler capable of assisting fertilization is further characterized in that the inner diameter of the built-in ring is gradually reduced from one end close to the water injection hole to the other end.
The beneficial effect of above-mentioned scheme is: so that the water passing through the built-in ring is in a spray shape.
The shower head capable of assisting in fertilizing further has the characteristic that the inner diameter of one end, close to the water injection hole, of the built-in ring is the same as the inner diameter of the connecting pipeline, and the inner diameter of one end, close to the liquid outlet hole, of the built-in ring is half of the inner diameter of the connecting pipeline.
The beneficial effect of above-mentioned scheme is: when external water pressure makes water can be spout by connecting tube, built-in ring makes water pressure increase, guarantees that the water behind the built-in ring can not spout out liquid hole top.
The shower head capable of assisting in fertilizing further has the advantages that the diameter of the liquid outlet hole is the same as the inner diameter of one end, close to the liquid outlet hole, of the built-in ring, and the diameter of the water injection hole is half of the diameter of the liquid outlet hole.
The beneficial effect of above-mentioned scheme is: because water injection hole upper portion water pressure is greater than liquid hole upper portion water pressure, and the water injection hole is less than out the liquid hole, when the water pressure of input is fixed, the water injection hole will be to the kettle in water injection for mixed liquid in the kettle is flowed by a liquid hole.
In conclusion, the scheme has the beneficial effects that:
the sprinkler capable of assisting in fertilizing provided by the invention is communicated with the fertilizer pot through the connecting pipeline, water is injected into the fertilizer pot while water is sprayed, the water pressure on the side of the water injection hole is greater than that on the side of the liquid outlet hole after the sprinkler is filled with water, so that the small holes continuously inject water into the sprinkler, and fertilizer mixed liquid in the sprinkler enters the connecting conduit through the large holes to be sprayed out along with water flow. The shower head capable of assisting in fertilizing provided by the invention has the effect of spraying fertilizer along with the fertilizer in the watering process.
Drawings
FIG. 1 is a schematic front sectional view of a sprinkler capable of assisting in fertilization according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the drawings: 1. a conduit; 2. a fertilizer pot; 3. connecting a pipeline; 4. a threaded sleeve; 5. a connector; 6. a valve housing; 7. a control column; 8. a spring; 9. a T-shaped column; 10. clamping a plate; 11. a built-in ring; 12. a water injection hole; 13. and a liquid outlet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Fig. 1 is a schematic front sectional structure view of a shower head capable of assisting in fertilizing, and fig. 2 is a schematic enlarged structure view of a position a in fig. 1, as shown in fig. 1 and fig. 2, the shower head capable of assisting in fertilizing provided in this embodiment: comprises a guide pipe 1, a fertilizer pot 2, a nozzle, a connecting pipeline 3 and a threaded sleeve 4 for connecting the fertilizer pot 2, wherein one end of the guide pipe 1 is provided with a connector 5 for connecting a water inlet pipeline, the other end of the guide pipe 1 is connected with the input end of the connecting pipeline 3, the output end of the connecting pipeline 3 is connected with the nozzle, one end of the threaded sleeve 4 is closed, the end surface of the closed end is fixedly connected with the outer side wall of the connecting pipeline 3, the other end of the threaded sleeve 4 is connected with an opening thread of the fertilizer pot 2, a water injection hole 12 and a liquid outlet hole 13 which are communicated with the threaded sleeve 4 and the connecting pipeline 3 are arranged at the joint of the threaded sleeve 4 and the connecting pipeline 3, the water injection hole 12 is closer to the input end of the connecting pipeline 3 than the liquid outlet hole 13, a built-in ring 11 is arranged in the connecting pipeline 3, the built-in ring 11 is arranged between the water injection hole 12 and the liquid outlet hole 13, the other part of the fertilizer pot penetrates through the built-in ring 11 and is sprayed out by the spray head, when the fertilizer pot 2 is filled with water, water in the fertilizer pot 2 can be pressed out from the liquid outlet hole 13 and is mixed with the water penetrating through the built-in ring 11 after water is continuously fed in, and finally the water is sprayed out by the spray head.
In the above embodiment, a control valve is further included, one end of the conduit 1 far from the connector 5 is connected with an input end of the control valve, and an output end of the control valve is connected with an input end of the connecting pipeline 3.
In the above embodiment, the control valve includes the valve housing 6, the spring 8 and the control column 7, the valve housing 6 is provided with the water inlet and the water outlet, the lower end of the spring 8 is connected with the upper end of the control column 7, the upper end of the spring 8 is connected with the inner top wall of the valve housing 6, the lower end of the control column 7 extends out of the valve housing 6, when the spring 8 is in a natural state, the control column 7 closes the water outlet, and when the lower end of the control column 7 is pressed and the spring 8 is compressed, the water outlet is opened and is communicated with the water inlet.
In the above embodiment, the control valve further comprises a latch portion, and when the control rod 7 is pressed and the spring 8 is compressed, the latch portion can maintain a state that the control rod 7 compresses the spring so that the water inlet and the water outlet are kept communicated.
In the above embodiment, the locking part includes the T-shaped column 9 and the catch plate 10, the lower end of the T-shaped column 9 is inserted into the inside from the outside of the valve housing 6 and passes through the spring 8 to be connected with the upper end of the control column 7, the upper end of the T-shaped column 9 is located outside the valve housing 6, when the spring 8 is in a natural state, the upper end of the T-shaped column 9 is attached to the outer top surface of the valve housing 6 and completely closes the water outlet, and when the control column 7 is pressed and the water outlet is completely opened, a gap into which the catch plate 10 can be inserted is formed between the upper end of the T-shaped column 9 and the outer top surface of the valve housing.
The spring 8 is in a natural state when the spring 8 is subjected to only its own weight.
In the above embodiment, the liquid outlet hole 13 communicates with the upper end of the liquid outlet pipe, and the lower end of the liquid outlet pipe extends to the bottom of the fertilizer pot 2.
In the above embodiment, the inner diameter of the built-in ring 11 is gradually reduced from one end near the water injection hole 12 to the other end.
In the above embodiment, the inner diameter of the end of the built-in ring 11 near the water injection hole 12 is the same as the inner diameter of the connecting pipe 3, and the inner diameter of the end of the built-in ring 11 near the liquid outlet hole 13 is half of the inner diameter of the connecting pipe 3.
In the above embodiment, the diameter of the liquid outlet hole is the same as the inner diameter of the end of the built-in ring 11 near the liquid outlet hole 13, and the diameter of the water injection hole 12 is half of the diameter of the liquid outlet hole 13.
The water supplied from the outside has a water pressure that can be ejected from the connection pipe.
The working principle is as follows: predetermine fertilizer in fertilizer kettle 2, with connector 5 and outside water piping connection, press control post 7, open the delivery port, and compression spring 8, and the distance grow between the upper end of T type post 9 and the top surface of valve housing 6 this moment, insert cardboard 10, make spring 8 keep by the compression state, so water inlet and delivery port keep the intercommunication, pipe 1 is leading-in connecting tube 3 with water, because built-in ring 11 makes between the connecting tube 3 diminish, so one side water pressure that is close to connecting tube 3 input is great, make water mix with fertilizer in getting into fertilizer kettle 2 via water filling hole 12, water filling hole 12 upper portion water pressure is great after fertilizer kettle 2 is filled up, make water continue to follow water filling hole 12 input, water pressure increase in the kettle this moment, make mixed liquid follow the macropore in transmit to connecting tube 3, and spout from the shower nozzle along with rivers.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a gondola water faucet that can supplementary fertilization which characterized in that: comprises a guide pipe (1), a fertilizer pot (2), a spray head, a connecting pipeline (3) and a threaded sleeve (4) used for connecting the fertilizer pot (2), wherein one end of the guide pipe (1) is provided with a connector (5) used for connecting a water inlet pipeline, the other end of the guide pipe (1) is connected with the input end of the connecting pipeline (3), the output end of the connecting pipeline (3) is connected with the spray head, one end of the threaded sleeve (4) is sealed, the end face of the closed end is fixedly connected with the outer side wall of the connecting pipeline (3), the other end of the threaded sleeve (4) is connected with an opening thread of the fertilizer pot (2), the joint of the threaded sleeve (4) and the connecting pipeline (3) is provided with a communicating part for communicating the threaded sleeve (4) with a water injection hole (12) and a liquid outlet hole (13) of the connecting pipeline (3), and the water injection hole (12) is closer to the input end of the connecting pipeline (3) than the liquid outlet hole (13), the fertilizer pot is characterized in that a built-in ring (11) is arranged in the connecting pipeline (3), the built-in ring (11) is located between the water injection hole (12) and the liquid outlet hole (13), after water enters the input end of the connecting pipeline (3), one part of water flow is injected into the fertilizer pot (2) through the water injection hole (12), the other part of water flow penetrates through the built-in ring (11) and is sprayed out through the spray head, after the fertilizer pot (2) is filled with water, water continues to enter, and then the water in the fertilizer pot (2) can be extruded out from the liquid outlet hole (13) and is converged with the water penetrating through the built-in ring (11), and finally is sprayed out through the spray head.
2. The shower head capable of assisting in fertilizing according to claim 1, characterized in that: still include the control valve, pipe (1) is kept away from the one end of connector (5) with the input of control valve is connected, the output of control valve with the input of connecting tube (3) is connected.
3. The shower head capable of assisting in fertilizing according to claim 2, characterized in that: the control valve comprises a valve shell (6), a spring (8) and a control column (7), wherein a water inlet and a water outlet are formed in the valve shell (6), the lower end of the spring (8) is connected with the upper end of the control column (7), the upper end of the spring (8) is connected with the inner top wall of the valve shell (6), the lower end of the control column (7) extends out of the valve shell (6), when the spring (8) is in a natural state, the control column (7) closes the water outlet, and when the lower end of the control column (7) is pressed and the spring (8) is compressed, the water outlet is opened and is communicated with the water inlet.
4. The shower head capable of assisting in fertilizing according to claim 3, characterized in that: the control valve also comprises a locking part which can keep the state that the spring is compressed by the control column (7) when the control column (7) is pressed and the spring (8) is compressed so that the water inlet and the water outlet are communicated.
5. The shower head capable of assisting in fertilizing according to claim 4, characterized in that: the locking part comprises a T-shaped column (9) and a clamping plate (10), the lower end of the T-shaped column (9) is inserted into the valve shell (6) from the outside, penetrates through the spring (8) and is connected with the upper end of the control column (7), the upper end of the T-shaped column (9) is located outside the valve shell (6), when the spring (8) is in a natural state, the upper end of the T-shaped column (9) is tightly attached to the outer top surface of the valve shell (6) and enables the water outlet to be completely closed, and when the control column (7) is pressed and the water outlet is completely opened, a gap for the clamping plate (10) to be inserted into is formed between the upper end of the T-shaped column (9) and the outer top surface of the valve shell (6).
6. The shower head capable of assisting in fertilizing according to claim 1, characterized in that: the liquid outlet holes (13) are communicated with the upper end of the liquid outlet pipe, and the lower end of the liquid outlet pipe extends to the bottom of the fertilizer pot.
7. The shower head capable of assisting in fertilizing according to claim 1, characterized in that: the inner diameter of the built-in ring (11) is gradually reduced from one end close to the water injection hole (12) to the other end.
8. The shower head capable of assisting in fertilizing according to claim 7, characterized in that: the inner diameter of one end, close to the water injection hole (12), of the built-in ring (11) is the same as that of the connecting pipeline (3), and the inner diameter of one end, close to the liquid outlet hole (13), of the built-in ring (11) is half of that of the connecting pipeline (3).
9. The shower head capable of assisting in fertilizing according to claim 8, characterized in that: the diameter of the liquid outlet hole is the same as the inner diameter of one end, close to the liquid outlet hole (13), of the built-in ring (11), and the diameter of the water injection hole (12) is half of the diameter of the liquid outlet hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189951.7A CN110754195A (en) | 2019-11-28 | 2019-11-28 | Sprinkler capable of assisting in fertilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189951.7A CN110754195A (en) | 2019-11-28 | 2019-11-28 | Sprinkler capable of assisting in fertilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110754195A true CN110754195A (en) | 2020-02-07 |
Family
ID=69339671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911189951.7A Pending CN110754195A (en) | 2019-11-28 | 2019-11-28 | Sprinkler capable of assisting in fertilization |
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| Country | Link |
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| CN (1) | CN110754195A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432761Y (en) * | 1999-12-15 | 2001-06-06 | 徐志昂 | Fertilising tank for drip irrigation greenhouse |
| CN201667875U (en) * | 2010-06-03 | 2010-12-15 | 院钟礼 | Pot-type micro-irrigation nozzle capable of fertilizing in greenhouse |
| KR20130058354A (en) * | 2011-11-25 | 2013-06-04 | 주식회사 하이트롤 | Cone type differential pressure flow measuring apparatus |
| CN204362571U (en) * | 2014-12-31 | 2015-06-03 | 北京东方润泽生态科技股份有限公司 | A kind of novel differential pressure fertilization pot |
| CN204518450U (en) * | 2015-03-10 | 2015-08-05 | 邯郸市成通灌溉节能设备有限公司 | Injection moulding pressure differential tank |
| CN205883982U (en) * | 2016-04-28 | 2017-01-18 | 深圳市芭田生态工程股份有限公司 | Fertile fertilizer injection unit of differential liquid |
| CN206452738U (en) * | 2017-02-03 | 2017-09-01 | 田树森 | A kind of fertilizer spreading tank |
| CN207185193U (en) * | 2017-07-31 | 2018-04-06 | 内蒙古农业大学 | A kind of new and effective fertilizer spreading tank |
| CN207470810U (en) * | 2017-11-24 | 2018-06-08 | 苏州意锦润机械有限公司 | Drawing type valve |
| CN211378798U (en) * | 2019-11-28 | 2020-09-01 | 施可得园艺有限公司 | Sprinkler capable of assisting in fertilization |
-
2019
- 2019-11-28 CN CN201911189951.7A patent/CN110754195A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432761Y (en) * | 1999-12-15 | 2001-06-06 | 徐志昂 | Fertilising tank for drip irrigation greenhouse |
| CN201667875U (en) * | 2010-06-03 | 2010-12-15 | 院钟礼 | Pot-type micro-irrigation nozzle capable of fertilizing in greenhouse |
| KR20130058354A (en) * | 2011-11-25 | 2013-06-04 | 주식회사 하이트롤 | Cone type differential pressure flow measuring apparatus |
| CN204362571U (en) * | 2014-12-31 | 2015-06-03 | 北京东方润泽生态科技股份有限公司 | A kind of novel differential pressure fertilization pot |
| CN204518450U (en) * | 2015-03-10 | 2015-08-05 | 邯郸市成通灌溉节能设备有限公司 | Injection moulding pressure differential tank |
| CN205883982U (en) * | 2016-04-28 | 2017-01-18 | 深圳市芭田生态工程股份有限公司 | Fertile fertilizer injection unit of differential liquid |
| CN206452738U (en) * | 2017-02-03 | 2017-09-01 | 田树森 | A kind of fertilizer spreading tank |
| CN207185193U (en) * | 2017-07-31 | 2018-04-06 | 内蒙古农业大学 | A kind of new and effective fertilizer spreading tank |
| CN207470810U (en) * | 2017-11-24 | 2018-06-08 | 苏州意锦润机械有限公司 | Drawing type valve |
| CN211378798U (en) * | 2019-11-28 | 2020-09-01 | 施可得园艺有限公司 | Sprinkler capable of assisting in fertilization |
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