CN113767841A - Big seedling hydroponic device based on agricultural system - Google Patents
Big seedling hydroponic device based on agricultural system Download PDFInfo
- Publication number
- CN113767841A CN113767841A CN202111159603.2A CN202111159603A CN113767841A CN 113767841 A CN113767841 A CN 113767841A CN 202111159603 A CN202111159603 A CN 202111159603A CN 113767841 A CN113767841 A CN 113767841A
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- supply pipe
- agricultural system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 172
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000003501 hydroponics Substances 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 235000015816 nutrient absorption Nutrition 0.000 abstract description 5
- 235000013311 vegetables Nutrition 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Hydroponics (AREA)
Abstract
The invention discloses a big seedling water culture device based on an agricultural system, which relates to the technical field of water culture devices and comprises a main water supply pipe, wherein a plurality of incubator main bodies are equidistantly arranged at the top of the main water supply pipe, an installation mechanism is arranged at the bottom of each incubator main body, the main body of the cultivation device is detachably connected with the main water supply pipe through the mounting mechanism, the main body of the cultivation device comprises a water culture tank and a cultivation grating arranged in the water culture tank, the bottom of the cultivation grating is provided with a water locking layer, the vegetable big seedling cultivation device disclosed by the invention is provided with an independent cultivation device main body, and the gaps among the main bodies of the single cultivators are orderly, thereby not only greatly ensuring the growth space and nutrient absorption of the big seedlings, and the occupied space range is small, the large-scale building and installation are convenient, and the requirements of different seedlings on nutrient solution and oxygen in water can be met through very convenient adjustment.
Description
Technical Field
The invention relates to the technical field of water culture devices, in particular to a large seedling water culture device based on an agricultural system.
Background
The water culture is a novel soilless culture mode of plants, also called nutrient solution culture, and the core is that the root system of the plants is directly soaked in the nutrient solution, the nutrient solution can replace soil and provide growth factors such as water, nutrient, oxygen and the like for the plants, so that the plants including vegetables and flower seedlings can normally grow; at present, the demand of vegetables in China is high, the occupied space of the traditional water culture box and the seedling raising plate is large, the water culture requirements of an agricultural greenhouse and a greenhouse cannot be effectively met, the yield of big seedlings is reduced, water and liquid are not easy to change and supply, and meanwhile, the big seedlings are inconvenient to change and support.
Disclosure of Invention
Therefore, in order to solve the above defects, the invention provides a big seedling water culture device based on an agricultural system, which is provided with independent incubator main bodies, and gaps among the individual incubator main bodies are orderly, so that the growth space and nutrient absorption of big seedlings are greatly ensured, the occupied space range is small, the large-scale building and installation are convenient, and the requirements of different kinds of big seedlings on nutrient solution and oxygen in water can be met through convenient adjustment.
The invention is realized in such a way that a big seedling water culture device based on an agricultural system is constructed, the big seedling water culture device comprises a main water supply pipe, a plurality of cultivation device main bodies are equidistantly arranged at the top of the main water supply pipe, an installation mechanism is arranged at the bottom of each cultivation device main body, the cultivation device main bodies are detachably connected with the main water supply pipe through the installation mechanism, each cultivation device main body comprises a water culture groove and a cultivation grid arranged in the water culture groove, and a water locking layer is arranged at the bottom of each cultivation grid.
Further, installation mechanism is by the aqua storage tank, the filter layer, accuse water section of thick bamboo, T shape plunger, the plug, top spring mechanism, spring and cushion sealing washer constitute, the aqua storage tank top communicates with the water planting groove, filter layer fixed connection leans on the top position in the inboard of aqua storage tank, accuse water section of thick bamboo is seted up in the inboard position of aqua storage tank bottom, T shape plunger embedding sets up in accuse water section of thick bamboo, and keep contacting and produce the slip between T shape plunger top and the accuse water section of thick bamboo, plug fixed connection is in the bottom of aqua storage tank, the plug is interior cavity and is formed with a section of thick bamboo that intakes, top spring mechanism installs in a section of thick bamboo inboard of intaking, the spring cup joints in T shape plunger bottom, the cushion sealing washer nestification sets up the junction between plug and the aqua storage tank.
Furthermore, the surface of the main water supply pipe is provided with a bulge at a position corresponding to the incubator body, and a threaded hole is formed on the inner side of the bulge.
Furthermore, be located bellied bottom and install the socket, and the socket comprises fixed block and grafting needle, fixed block fixed connection in the inner wall of main water supply pipe, grafting needle fixed connection in the top of fixed block.
Furthermore, the spring jacking mechanism is composed of a concave hole column, a support, a water passing area and a rubber ring sleeve, the concave hole column and the rubber ring sleeve are arranged concentrically, the concave hole column and the rubber ring sleeve are connected through the support, and the water passing area is formed between the supports.
Furthermore, the side surface of the water control cylinder is provided with water filtering holes which are uniformly distributed.
Furthermore, the top of the concave hole column is connected with the bottom end of the T-shaped plunger, and the bottom end of the concave hole column is concave and is matched with the inserting needle in an inserting mode.
Further, the surface of the plug is provided with threads, and the plug is connected with the threaded hole through the threads.
Furthermore, the top end of the spring is fixed through the clamping of the top wall of the water inlet cylinder, and the bottom end of the spring is fixed through the clamping of the spring jacking mechanism.
Compared with the prior art, the invention has the beneficial effects that:
the method has the advantages that: the main container of cultivating big seedling is installed in the main water supply pipe surface as the main container of cultivating big seedling, and the main water supply pipe can be installed according to the overall arrangement of greenhouse and big-arch shelter, and the tip of main water supply pipe only need insert the working shaft can, can set up water conservation groove and retrieve the water or the nutrient solution that spills over in the bottom of main water supply pipe, not only effectively practiced thrift the place, and the clearance that can be between the single cultivation ware main part is orderly moreover, very big assurance the growth space and the nutrient absorption of big seedling.
The method has the advantages that: the incubator main part is mainly cultivated big seedling by the water planting groove, its inside cultivation grid can effectively be fixed with the rhizome of big seedling, make the growth that big seedling can be steady, and same lock water layer main material is the sponge, can carry out the lock water and guarantee simultaneously to absorb the nutrient solution of bottom to keep the lock water effect in the big seedling rhizome of upper strata when the main water supply pipe supplies the nutrient solution, the seed soaking cultivation has been realized simultaneously on the one hand in addition, the seed is owing to cultivate the separation effect of grid and lock water layer in the water planting groove, the mode of growing seedlings can be realized the seed soaking simultaneously.
The method has the advantages that: the plug socket through setting up be used for and top the spring mechanism between cooperate, promote top spring mechanism and T shape plunger and push up, make separation between T shape plunger and the accuse water drum, thereby make water and nutrient solution in the main water supply pipe loop through a section of thick bamboo of intaking, cross the water district, during the clearance and the drainage hole entering aqua storage tank of spring, most importantly, can finally realize adjusting the pressure size of intaking through rotating the incubator main part, thereby adapt to the demand of different kind of big seedlings to nutrient solution and aquatic oxygen.
Drawings
FIG. 1 is a schematic view of a vegetable seedling growing device according to the present invention;
FIG. 2 is a cross-sectional view of the mains water supply pipe and the incubator body of FIG. 1 in accordance with the invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a cross-sectional view of the water management cartridge of FIG. 3 in accordance with the present invention;
fig. 5 is a cross-sectional view of the spring mechanism of fig. 3 in accordance with the present invention.
In the figure: the device comprises a main water supply pipe 1, a protrusion 11, a threaded hole 111, a plug socket 12, a fixing block 121, a plug pin 122, a cultivator main body 2, a water culture tank 20, a cultivation grid 21, a water locking layer 22, an installation mechanism 3, a water storage tank 30, a filter layer 31, a water control cylinder 32, a water filtering hole 321, a T-shaped plunger 33, a plug 34, threads 341, a water inlet cylinder 35, a top spring mechanism 36, a concave hole column 361, a support 362, a water passing area 363, a rubber ring sleeve 364, a spring 37 and an air cushion sealing ring 38.
Detailed Description
The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be specifically understood, and unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs.
The technical scheme of the invention is further elaborated in detail by combining the drawings and the specific embodiments of the specification, and the embodiment of the invention provides a big seedling water culture device based on an agricultural system, which comprises a main water supply pipe 1, a plurality of cultivation device main bodies 2 are equidistantly installed on the top of the main water supply pipe 1, an installation mechanism 3 is arranged at the bottom of each cultivation device main body 2, the cultivation device main bodies 2 are detachably connected with the main water supply pipe 1 through the installation mechanism 3, each cultivation device main body 2 comprises a water culture tank 20 and a cultivation grid 21 installed inside the water culture tank 20, and a water locking layer 22 is arranged at the bottom of each cultivation grid 21.
In the above-mentioned embodiment, the main container of breeding big seedling is installed in the surface of main water supply pipe 1 as to incubator main part 2, main water supply pipe 1 can be installed according to the overall arrangement of greenhouse and big-arch shelter, and main water supply pipe 1's tip only need insert the working shaft can, can set up water conservation groove and retrieve the water or the nutrient solution that overflow in main water supply pipe 1's bottom, not only effectively practiced thrift the place, and can singly cultivate the clearance between 2 orderly, very big assurance the growth space and the nutrient absorption of big seedling.
In addition, incubator main part 2 is mainly cultivated big seedling by water planting groove 20, its inside cultivation grid 21 can effectively be fixed the rhizome of big seedling, make the growth that big seedling can be steady, and the main material in same lock water layer 22 is the sponge, can carry out the lock water and guarantee simultaneously that absorb the nutrient solution of bottom to the big seedling rhizome on upper strata when main water supply pipe 1 supplies the nutrient solution and keep the lock water effect, the seed soaking cultivation has been realized simultaneously on the one hand in addition, the seed is owing to cultivate grid 21 and lock water layer 22's separation effect in water planting groove 20, the seed soaking seedling can be realized to the mode of growing seedlings simultaneously.
Referring to fig. 3-5, the installation mechanism 3 comprises a water storage tank 30, a filter layer 31, a water control cylinder 32, a T-shaped plunger 33, a plug 34, a spring pushing mechanism 36, a spring 37 and an air cushion sealing ring 38, wherein the top of the water storage tank 30 is communicated with the water culture tank 20, the filter layer 31 is fixedly connected to the inner side of the water storage tank 30 close to the top, the water control cylinder 32 is arranged at the inner side of the bottom of the water storage tank 30, the T-shaped plunger 33 is embedded in the water control cylinder 32, the top of the T-shaped plunger 33 is in contact with the water control cylinder 32 and slides, the plug 34 is fixedly connected to the bottom end of the water storage tank 30, the plug 34 is hollow and forms a water inlet cylinder 35, the spring pushing mechanism 36 is installed at the inner side of the water inlet cylinder 35, the spring 37 is sleeved at the bottom of the T-shaped plunger 33, and the air cushion sealing ring 38 is nested at the connection position between the plug 34 and the water storage tank 30.
As an example, it should be noted that the mounting mechanism 3 is a mechanism for connecting the main body 2 of the incubator with the main water supply pipe 1, when the installation is completed by the butt joint of the plug 34 and the protrusion 11, the water storage tank 30 firstly introduces the nutrient solution and the water supply of the main water supply pipe 1 therein, the filter layer 31 is a gauze structure to intercept larger impurities, the water control cylinder 32 is arranged at the inner bottom end position of the water storage tank 30 to control the water inflow, the T-shaped plunger 33 is arranged in the water control cylinder 32 to control the flux of the water filtering hole 321 of the water control cylinder 32 to prevent the root of the seedling from being impacted due to the excessive water amount, so as to protect the root of the seedling, and the slow circulating water supply also improves the respiration of the root of the seedling; the top spring mechanism 36 and the spring 37 act on the T-shaped plunger 33 to move up and down, and the air cushion sealing ring 38 not only has a certain thickness, but also can be compressed, and has a fitting and attaching effect with the surface of the protrusion 11, so that good waterproof protection can be formed even in the installation and adjustment process.
Referring to fig. 1-2, a protrusion 11 is formed on the surface of the main water supply pipe 1 at a position corresponding to the incubator body 2, and a screw hole 111 is formed inside the protrusion 11.
As an example, it should be noted that the connection between the plug 34 and the protrusion 11 is performed through the connection between the thread 341 and the threaded hole 111 on the surfaces of the plug and the protrusion, which not only facilitates the replacement and maintenance, but also ensures that the plug 34 can rotate to any degree and maintain good sealing performance due to the effect of the air cushion sealing ring 38, so as to optimize the water supply to the water culture tank 20 and make the nutrient solution and water slowly enter the water storage tank 30 at a constant speed.
In fig. 2, the socket 12 is mounted at the bottom of the protrusion 11, and the socket 12 is composed of a fixing block 121 and a plug pin 122, the fixing block 121 is fixedly connected to the inner wall of the main water supply pipe 1, and the plug pin 122 is fixedly connected to the top of the fixing block 121.
As an example, it should be noted that, the socket 12 is arranged to cooperate with the spring pushing mechanism 36 to push the spring pushing mechanism 36 and the T-shaped plunger 33 to push up, so that the T-shaped plunger 33 is separated from the water control cylinder 32, and the water and the nutrient solution in the main water supply pipe 1 sequentially pass through the water inlet cylinder 35, the water passing area 363, the gap of the spring 37 and the water filtering hole 321 to enter the water storage tank 30, and most importantly, the pressure of the water inlet can be finally adjusted by rotating the incubator main body 2, so as to meet the requirements of different seedlings on the nutrient solution and the oxygen in the water.
Referring to fig. 3 and 5, the spring pushing mechanism 36 is composed of a concave hole pillar 361, a bracket 362, a water passing area 363 and a rubber ring 364, the concave hole pillar 361 and the rubber ring 364 are concentrically arranged, the concave hole pillar 361 and the rubber ring 364 are connected through the bracket 362, and the water passing area 363 is formed between the brackets 362.
As an example, it should be noted that, the inner ring of the rubber ring 364 is hard, the surface of the rubber ring is provided with rubber, the rubber ring is connected with the bracket 362 to form a ring with the water passing area 363 in the middle, the concave hole pillar 361 is concavely arranged and can be inserted into the insertion needle 122, meanwhile, the top end of the spring 37 is connected with the top end port of the water inlet cylinder 35, and the bottom end of the spring 37 is connected with the concave hole pillar 361 of the bracket 362, so that the sliding friction is kept and the lifting is stabilized between the rubber ring 364 and the water inlet cylinder 35 in the process of lifting the top spring mechanism 36.
Referring to fig. 4, the side of the water control cylinder 32 is provided with water filtering holes 321 uniformly distributed.
Referring to fig. 4-5, the top of the concave hole column 361 is connected to the bottom of the T-shaped plunger 33, and the bottom of the concave hole column 361 is recessed and is inserted into the insertion pin 122.
As shown in fig. 3, the surface of the plug 34 has a thread 341, and the plug 34 is connected to the screw hole 111 by the thread 341.
The top end of the spring 37 is clamped and fixed through the top wall of the water inlet barrel 35, and the bottom end of the spring 37 is clamped and fixed through the top spring mechanism 36.
As an example, it should be noted that, because the water control cylinder 32 is provided with the water filtering holes 321 with multiple layers of heights around, and the top of the T-shaped plunger 33 has a smooth disc structure around, which can keep a relative sliding connection with the inner side of the water control cylinder 32, when the T-shaped plunger 33 is pushed upwards (i.e. the incubator body 2 is screwed down), the water filtering holes 321 are opened more, the water pressure flowing from the main water supply pipe 1 to the incubator body 2 is higher, and a better water changing effect can be achieved; when the T-shaped plunger 33 is pushed downward (i.e., the incubator body 2 is unscrewed), the drainage holes 321 are closed more, and the pressure of the water flowing from the main water supply pipe 1 to the incubator body 2 is lower and slower, thereby improving the effect of circulating water supply and supplying oxygen to roots.
In conclusion; the vegetable big seedling incubator provided by the invention is provided with the independent incubator main bodies, and the gaps among the single incubator main bodies are orderly, so that the growth space and nutrient absorption of the big seedlings are greatly ensured, the occupied space range is small, the large-scale construction and installation are convenient, and the requirements of different kinds of big seedlings on nutrient solution and oxygen in water can be met through convenient adjustment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein, and it is to be understood that various changes and modifications may be made by one of ordinary skill in the art without departing from the spirit and scope of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides a big seedling hydroponics device based on agricultural system, includes main water supply pipe (1), its characterized in that: the utility model discloses a water culture device, including the culture device main part, the top of main water supply pipe (1) is the equidistance and installs a plurality of incubator main parts (2), the bottom of incubator main part (2) is equipped with installation mechanism (3), and keeps dismantling between incubator main part (2) through installation mechanism (3) and main water supply pipe (1) to be connected, incubator main part (2) include water planting groove (20) and install in the inside cultivation grid (21) of water planting groove (20), the bottom of cultivating grid (21) is equipped with lock water layer (22).
2. The agricultural system-based big seedling hydroponic device according to claim 1, wherein: the installation mechanism (3) is composed of a water storage tank (30), a filter layer (31), a water control cylinder (32), a T-shaped plunger (33), a plug (34), a top spring mechanism (36), a spring (37) and an air cushion sealing ring (38), the top of the water storage tank (30) is communicated with the water culture tank (20), the filter layer (31) is fixedly connected to the inner side of the water storage tank (30) and leans against the top position, the water control cylinder (32) is arranged at the inner side of the bottom of the water storage tank (30), the T-shaped plunger (33) is embedded in the water control cylinder (32), the top of the T-shaped plunger (33) is in contact with the water control cylinder (32) and slides, the plug (34) is fixedly connected to the bottom of the water storage tank (30), the plug (34) is hollow and is formed with a water inlet cylinder (35), the top spring mechanism (36) is installed at the inner side of the water inlet cylinder (35), the spring (37) is sleeved at the bottom of the T-shaped plunger (33), and the air cushion sealing ring (38) is nested at the joint between the plug (34) and the water storage tank (30).
3. The agricultural system-based big seedling hydroponic device according to claim 1, wherein: the corresponding position of the surface of the main water supply pipe (1) and the incubator body (2) is provided with a bulge (11), and a threaded hole (111) is formed on the inner side of the bulge (11).
4. The agricultural system-based big seedling hydroponic device of claim 3, wherein: the water supply device is characterized in that a plug socket (12) is arranged at the bottom of the protrusion (11), the plug socket (12) is composed of a fixing block (121) and a plug needle (122), the fixing block (121) is fixedly connected to the inner wall of the main water supply pipe (1), and the plug needle (122) is fixedly connected to the top of the fixing block (121).
5. The agricultural system-based big seedling hydroponic device of claim 2, wherein: the spring ejecting mechanism (36) is composed of a concave hole column (361), a support (362), a water passing area (363) and a rubber ring sleeve (364), the concave hole column (361) and the rubber ring sleeve (364) are arranged concentrically, the concave hole column (361) and the rubber ring sleeve (364) are connected through the support (362), and the water passing area (363) is formed between the supports (362).
6. The agricultural system-based big seedling hydroponic device of claim 2, wherein: and the side surface of the water control cylinder (32) is provided with water filtering holes (321) which are uniformly distributed.
7. The agricultural system-based big seedling hydroponic device of claim 5, wherein: the top of the concave hole column (361) is connected with the bottom end of the T-shaped plunger (33), and the bottom end of the concave hole column (361) is concave and matched with the insertion needle (122) in an insertion manner.
8. The agricultural system-based big seedling hydroponic device of claim 2, wherein: the surface of the plug (34) is provided with a thread (341), and the plug (34) is connected with the threaded hole (111) through the thread (341).
9. The agricultural system-based big seedling hydroponic device of claim 2, wherein: the top end of the spring (37) is clamped and fixed through the top wall of the water inlet barrel (35), and the bottom end of the spring (37) is clamped and fixed through the top spring mechanism (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111159603.2A CN113767841A (en) | 2021-09-30 | 2021-09-30 | Big seedling hydroponic device based on agricultural system |
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| CN202111159603.2A CN113767841A (en) | 2021-09-30 | 2021-09-30 | Big seedling hydroponic device based on agricultural system |
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| CN202111159603.2A Pending CN113767841A (en) | 2021-09-30 | 2021-09-30 | Big seedling hydroponic device based on agricultural system |
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