Nutrient solution planting cultivation frame

Abstract

The utility model provides a nutrient solution planting cultivation frame which comprises a plurality of cultivation layers from top to bottom. The cultivation layer comprises a cultivation tray, a concave cultivation groove is formed in the upper surface of the cultivation tray, a plurality of vertical connecting insertion holes are formed in the periphery of the cultivation tray, and the cultivation trays between the upper layer and the lower layer are connected through supporting rods; a liquid outlet is formed in the cultivation tray, the liquid outlet of the cultivation tray is connected with a liquid outlet device, the liquid outlet device comprises a solenoid and a liquid outlet pipe, the two ends of the solenoid are in threaded connection with the liquid outlet and the liquid outlet pipe respectively, and a liquid inlet corresponding to the lower end of the liquid outlet pipe is formed in the cultivation tray. The nutrient solution in the cultivation grooves can flow circularly, the oxygen concentration in the nutrient solution is increased, absorption of oxygen at the roots of plants is facilitated, the utilization rate of the nutrient solution is increased, accumulation of harmful metabolites secreted by the roots is reduced, reproduction of germs and molds is controlled, and diseases and insect pests are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cultivation racks, in particular to a nutrient solution planting cultivation rack. Background Art

[0002] Traditional crop cultivation is basically carried out through soil cultivation, which is prone to breeding bacteria and pests, inconvenient soil maintenance, and easy to pollute the environment. Especially in winter in cold areas, except for potted flowers in balconies and greenhouses, there are basically no green plants for several months. Soilless cultivation refers to the method of cultivating plants using non-soil substrates, mainly including hydroponics, mist cultivation, substrate cultivation and other cultivation methods. It has the advantages of high quality and high yield, few products with diseases and pests, no restrictions on land resources, and easy large-scale production.

[0003] When existing plants are hydroponically grown, the nutrient solution does not flow, which is not conducive to the exchange of nutrient solution and oxygen, and is not conducive to the continuous absorption of nutrient solution by the roots. In addition, the static state easily causes the accumulation of harmful metabolites secreted by the roots, which makes it easy for pathogens and molds to reproduce, and is not conducive to the healthy growth of plants. Utility Model Content

[0004] The utility model proposes a nutrient solution planting cultivation rack, which solves the problem that the nutrient solution of the existing cultivation rack is not flowing, which is not conducive to the exchange of the nutrient solution and oxygen, and is not conducive to the continuous absorption of the nutrient solution by the root system, and the static state easily causes the accumulation of harmful metabolites secreted by the root system, which is easy to cause the reproduction of pathogens and molds, and is not conducive to the healthy growth of plants.

[0005] The technical solution of the utility model is achieved in this way:

[0006] A nutrient solution planting cultivation rack comprises several cultivation layers from top to bottom; the cultivation layers comprise a cultivation tray, the upper surface of the cultivation tray is provided with a concave cultivation groove, the four sides of the cultivation tray are provided with several vertical connection sockets penetrating the upper and lower end surfaces, a horizontal convex ring or a partition is fixed in the middle of the connection socket, the cultivation trays between the upper and lower layers are connected by a support rod, and the two ends of the support rod are inserted into the connection socket; a liquid outlet is provided on the cultivation tray, the liquid outlet of the cultivation tray is connected with a liquid outlet device, and the liquid in the upper cultivation groove is guided to the lower cultivation groove through the liquid outlet device, the liquid outlet device comprises a spiral tube and a liquid outlet pipe, the upper end of the spiral tube is threadedly connected to the liquid outlet, the lower end of the spiral tube extends into the upper end of the liquid outlet pipe, and the height of the liquid outlet is adjusted by adjusting the height of the upper end of the spiral tube extending out of the liquid outlet, and the cultivation tray is provided with a liquid inlet corresponding to the lower end of the liquid outlet pipe.

[0007] Preferably, the liquid inlet of the cultivation tray at the uppermost layer and the liquid outlet of the cultivation tray at the lowermost layer are connected via a circulating liquid return pipe, and a circulating pump is connected to the circulating liquid return pipe.

[0008] Preferably, the liquid inlet is located below the liquid outlet pipe or the liquid inlet is connected to the lower end of the liquid outlet pipe.

[0009] Preferably, the liquid outlet and the liquid inlet are both located on the circumferential sides of both ends of the cultivation groove.

[0010] Preferably, the liquid outlet pipe is located on the outside of the support rod or in the middle of the support rod.

[0011] Preferably, a nut for cooperating with the spiral tube is fixed in the liquid outlet.

[0012] Preferably, at least one cover plate is provided at the upper end of the cultivation tray, and a plurality of plant growth holes are opened on the cover plate.

[0013] Preferably, a hole plug is provided in the plant growth hole.

[0014] Preferably, pull plates I or pull rings I are fixed on both sides of the upper surface of the cover plate for facilitating pulling up the cover plate, and pull plates II or pull rings II are fixed in the middle of the upper surface of the hole plug for facilitating pulling out the hole plug.

[0015] The beneficial effects of the utility model are as follows: the cultivation rack of the utility model, after being matched with the circulating liquid return pipe and the circulating pump, the nutrient solution in the cultivation groove can circulate, the flow of the nutrient solution can increase the oxygen concentration in the nutrient solution, the circulation promotes the oxygen exchange in the nutrient solution, and is beneficial to the absorption of oxygen by the plant roots. In addition, the circulating flow can improve the utilization rate of the nutrient solution, promote the continuous absorption of the plant roots, and avoid waste caused by insufficient contact between the roots and the nutrient solution in a static state. The circulating flow of the nutrient solution can reduce the accumulation of harmful metabolites secreted by the roots, control the reproduction of pathogens and molds, and reduce diseases and insect pests. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a stereoscopic view of the nutrient solution planting cultivation rack in Example 1;

[0018] Figure 2 This is a front view of the nutrient solution planting cultivation rack in Example 1;

[0019] Figure 3 It is a longitudinal cross-sectional view of the nutrient solution planting cultivation rack in Example 1;

[0020] Figure 4 for Figure 3 A partial enlarged view of the portion shown in A;

[0021] Figure 5 It is a top view of the cultivation tray in Example 1;

[0022] Figure 6 It is a three-dimensional diagram of the cultivation tray in Example 1;

[0023] Figure 7 for Figure 6 A partial enlarged view of the portion shown in B;

[0024] Figure 8 This is a main diagram of the liquid outlet pipe in Example 1;

[0025] Fig. 9 This is a front view of the nutrient solution planting cultivation rack in Example 2;

[0026] Fig.10 This is a main diagram of the liquid outlet pipe in Example 2;

[0027] Fig.11 This is a cross-sectional view of the liquid outlet pipe in Example 2.

[0028] Reference numerals in the figure: A-nutrient solution planting cultivation rack, 1-cultivation layer, 2-cultivation tray, 3-support rod, 5-cover plate, 6-hole plug, 21-cultivation groove, 22-connecting jack, 23-convex ring, 24-liquid outlet, 25-liquid inlet, 26-nut, 41-screw tube, 42-liquid outlet pipe, 51-pull plate I, 61-pull plate II. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example 1

[0031] Reference Figure 1-8A nutrient solution planting cultivation rack A comprises a plurality of cultivation layers 1 from top to bottom; the cultivation layer comprises a cultivation tray 2, the upper surface of the cultivation tray 2 is provided with a concave cultivation groove 21, a plurality of vertical connecting jacks 22 penetrating the upper and lower end surfaces are provided around the cultivation tray 2, a horizontal convex ring 23 or a partition is fixed in the middle of the connecting jack 22, the cultivation trays 2 between the upper and lower layers are connected by a support rod 3, and the two ends of the support rod 3 are inserted into the connecting jack 22; a liquid outlet 24 is provided on the cultivation tray 2, and the cultivation tray The liquid outlet 24 of 2 is connected with a liquid outlet device, through which the liquid in the upper cultivation groove is guided to the lower cultivation groove 21. The liquid outlet device includes a spiral tube 41 and a liquid outlet pipe 42. The upper end of the spiral tube 41 is threadedly connected to the liquid outlet 24, and the lower end of the spiral tube 41 extends into the upper end of the liquid outlet pipe 42. The diameter of the liquid outlet pipe 42 is larger than the outer diameter of the spiral tube 41. The height of the liquid outlet is adjusted by adjusting the height of the upper end of the spiral tube 41 extending out of the liquid outlet 24. The cultivation tray 2 is provided with a liquid inlet 25 corresponding to the lower end of the liquid outlet pipe.

[0032] As a preferred embodiment, the liquid inlet 25 of the uppermost cultivation tray 2 and the liquid outlet 24 of the lowermost cultivation tray 2 are connected by a circulating liquid return pipe (not shown), and a circulating pump (not shown) is connected to the circulating liquid return pipe, through which the nutrient solution circulates.

[0033] As a preferred embodiment, the liquid inlet 25 is located below the liquid outlet pipe 42 or the liquid inlet 25 is connected to the lower end of the liquid outlet pipe 42. The liquid outlet 24 and the liquid inlet 25 are both located around the two ends of the cultivation groove 21. The liquid outlet pipe 42 is located outside the support rod 3.

[0034] As a preferred embodiment, a nut 26 for cooperating with the spiral tube is fixed in the liquid outlet 24. The nut 26 can be a hexagonal nut. The provision of the nut 26 can increase the service life of the liquid outlet.

[0035] As a preferred embodiment, at least one cover plate 5 is provided at the upper end of the cultivation tray 2, and a plurality of plant growth holes are provided on the cover plate 5. The cover plate 5 can prevent the evaporation of the nutrient solution and save the nutrient solution. A hole plug 6 is provided in the plant growth hole, and the plant growth hole without plants is plugged with the hole plug 6. Pull plates I51 or pull rings I are fixed on both sides of the upper surface of the cover plate 5 for facilitating the pulling up of the cover plate 5, and a pull plate II61 or pull ring II is fixed in the middle of the upper surface of the hole plug 6 for facilitating the pulling out of the hole plug.

[0036] In the cultivation rack of the utility model, the nutrient solution in the cultivation groove 21 can circulate, and the flow of the nutrient solution can increase the oxygen concentration in the nutrient solution. The circulation promotes the oxygen exchange in the nutrient solution, which is beneficial to the absorption of oxygen by the plant roots. In addition, the circulation can improve the utilization rate of the nutrient solution, promote the continuous absorption of the plant roots, and avoid waste caused by insufficient contact between the roots and the nutrient solution in a static state. The circulation of the nutrient solution can reduce the accumulation of harmful metabolites secreted by the roots, control the reproduction of pathogens and molds, and reduce diseases and insect pests.

[0037] Example 2

[0038] Reference Figure 9-11 The difference between this embodiment and embodiment 1 is that the liquid outlet pipe 42 is located in the middle of the support rod 3 and is hidden, which is neater and more beautiful.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A nutrient solution planting cultivation rack, characterized in that: It includes several cultivation layers from top to bottom; The cultivation layer includes a cultivation tray, the upper surface of the cultivation tray is provided with a concave cultivation groove, the four sides of the cultivation tray are provided with a plurality of vertical connection sockets penetrating the upper and lower end surfaces, a horizontal convex ring or a partition is fixed in the middle of the connection socket, and the cultivation trays between the upper and lower layers are connected by a support rod, and the two ends of the support rod are inserted into the connection socket; A liquid outlet is provided on the cultivation tray, and the liquid outlet of the cultivation tray is connected to a liquid outlet device, through which the liquid in the upper cultivation groove is guided to the lower cultivation groove. The liquid outlet device includes a spiral tube and a liquid outlet pipe, the upper end of the spiral tube is threadedly connected to the liquid outlet, and the lower end of the spiral tube extends into the upper end of the liquid outlet pipe. The height of the liquid outlet is adjusted by adjusting the height of the upper end of the spiral tube extending out of the liquid outlet, and the cultivation tray is provided with a liquid inlet corresponding to the lower end of the liquid outlet pipe.

2. The nutrient solution planting cultivation rack according to claim 1, characterized in that: The liquid inlet of the cultivation tray at the uppermost layer and the liquid outlet of the cultivation tray at the lowermost layer are connected via a circulating liquid return pipe, and a circulating pump is connected to the circulating liquid return pipe.

3. The nutrient solution planting cultivation rack according to claim 1, characterized in that: The liquid inlet is located below the liquid outlet pipe or the liquid inlet is connected to the lower end of the liquid outlet pipe.

4. The nutrient solution planting cultivation rack according to claim 1, characterized in that: The liquid outlet and the liquid inlet are both located on the circumferential sides of the two ends of the cultivation groove.

5. The nutrient solution planting cultivation rack according to claim 1, characterized in that: The liquid outlet pipe is located at the outside of the support rod or in the middle of the support rod.

6. The nutrient solution planting cultivation rack according to claim 1, characterized in that: A nut for cooperating with the spiral tube is fixed in the liquid outlet.

7. The nutrient solution planting cultivation rack according to claim 1, characterized in that: At least one cover plate is arranged at the upper end of the cultivation tray, and a plurality of plant growth holes are opened on the cover plate.

8. The nutrient solution planting cultivation rack according to claim 7, characterized in that: A hole plug is arranged in the plant growth hole.

9. The nutrient solution planting cultivation rack according to claim 8, characterized in that: Pull plates I or pull rings I are fixed on both sides of the upper surface of the cover plate for facilitating pulling up the cover plate, and a pull plate II or pull ring II is fixed in the middle of the upper surface of the hole plug for facilitating pulling out the hole plug.

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