Tomato seedling soilless culture device

Abstract

The utility model relates to a kind of planting and culture technical field, and disclose a kind of tomato seedling soilless planting and culture device, including fixed frame, the surface of the fixed frame is fixedly connected with drag link, the surface of the drag link is clamped with liquid bin, the left and right ends of the liquid bin are clamped with cover, the inside fixed connection of the cover has water inlet pipe, the inside of the liquid bin is provided with inner bag, the inner wall bottom of the inner bag is fixedly connected with threaded rod, the surface of the threaded rod is screw-connected with cultivation pipe, the inner wall of the cultivation pipe is fixedly connected with partition, the surface of the cultivation pipe is equipped with liquid inlet, the bottom of the liquid bin is fixedly connected with liquid inlet.The utility model is by setting up several threaded rods with cultivation pipe screw thread cooperation in inner bag bottom, make cultivation pipe rotatable rise and fall, the stepless adjustment of seedling root immersion liquid depth is realized, reaches the effect of different growth period accurate liquid supply, improve the uniformity of emergence and survival rate.

Description

Technical Field

[0001] This utility model relates to the field of planting and cultivation technology, specifically a soilless planting and cultivation device for tomato seedlings. Background Technology

[0002] Soilless cultivation uses nutrient solution instead of soil, and achieves rapid growth, high yield and cleanliness of crops through precise water and fertilizer supply. It has been widely used in the factory seedling production of vegetables such as tomatoes. Among them, deep liquid flow and pipeline systems have become the mainstream mode due to their simple structure and convenient management. In order to adapt to high-density sowing and rapid transplanting, the cultivation unit needs to take into account stable liquid supply, flexible seedling removal and modular assembly and disassembly to meet the needs of large-scale continuous production.

[0003] Existing devices mostly use fixed-depth liquid tanks or integrated planting cups. The immersion height of the seedling roots in the liquid cannot be adjusted according to the growth stage. When the dissolved oxygen is insufficient, the roots are prone to rot. At the same time, the culture tank and the support are rigidly connected, requiring tools to disassemble and reassemble. The cleaning and transfer processes are time-consuming and labor-intensive. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a soilless cultivation device for tomato seedlings, including a fixed frame, a drag rod fixedly connected to the surface of the fixed frame, a liquid tank snapped onto the surface of the drag rod, and caps snapped onto both ends of the liquid tank. A water inlet pipe is fixedly connected inside the caps. An inner liner is provided inside the liquid tank, and a threaded rod is fixedly connected to the bottom of the inner wall of the inner liner. A cultivation tube is threadedly connected to the surface of the threaded rod, a partition plate is fixedly connected to the inner wall of the cultivation tube, and a liquid inlet is opened on the surface of the cultivation tube. A liquid inlet is fixedly connected to the bottom of the liquid tank, and a limit component is fixedly connected to the bottom of the liquid tank.

[0005] Through the above technical solution, the nutrient solution is organically combined with the fixed frame, towing rod, liquid tank, cap, water inlet pipe, inner tank, threaded rod, cultivation tube, partition plate, liquid inlet and limiting components, so that the nutrient solution can directly enter the root area of ​​the cultivation tube through the liquid inlet in the closed inner tank. At the same time, the cultivation tube can rotate and rise along the threaded rod, realizing the integrated operation of liquid supply, seedling cultivation and seedling removal.

[0006] As a further improvement to the above solution, the number of threaded rods is set to several, and the several threaded rods are evenly distributed symmetrically around the center of the top of the inner liner, and the output end of the water inlet pipe is located above the inner liner.

[0007] By utilizing the above technical solution, multiple threaded rods symmetrically arranged around the top center of the inner liner can be used to simultaneously carry out the seedling cultivation of multiple groups of tomatoes. The output end of the water inlet pipe is located above the inner liner, which facilitates the direct delivery of nutrient solution into the interior of the inner liner during nutrient solution delivery.

[0008] As a further improvement to the above scheme, the cultivation tube extends through the top of the liquid chamber, and the liquid inlet is located between the threaded rod and the partition plate.

[0009] By using the above technical solution, the nutrient solution is placed between the threaded rod and the partition plate, allowing the nutrient solution to flow directly into the root zone below the partition plate. This reduces the impact of the liquid flow on the seeds or buds, achieving gentle nutrient supply and reducing the risk of mechanical damage.

[0010] As a further improvement to the above solution, a drain pipe is fixedly connected to the bottom of the inner liner, and a sealing cap is threadedly connected to the bottom of the drain pipe.

[0011] By using the above technical solution, and with the threaded connection between the drain pipe at the bottom of the inner tank and the sealing cap, the old liquid can be quickly drained without disassembling the entire device, which facilitates regular cleaning and replacement of the nutrient solution and inhibits the accumulation of bacteria.

[0012] As a further improvement to the above solution, the drain pipe extends through the bottom of the liquid tank.

[0013] As a further improvement to the above solution, the limiting component includes a slide rail, a movable locking platform is slidably connected to the surface of the slide rail, a connecting rod is fixedly connected to the left end of the movable locking platform, a pull plate is fixedly connected to the left end of the connecting rod, a limiting plate is sleeved on the surface of the connecting rod, and a spring is fixedly connected to the left end of the movable locking platform.

[0014] With the above technical solution, the limiting component adopts a slide rail-moving locking platform-spring self-resetting structure. Pulling the pull plate can compress the spring to complete the unlocking, which facilitates the quick removal of the liquid tank.

[0015] As a further improvement to the above solution, the top of the slide rail is fixedly connected to the bottom of the liquid tank, and there are two connecting rods, which are symmetrically distributed around the center of the left end surface of the moving plate.

[0016] With the above technical solution, the two connecting rods are symmetrically arranged on both sides of the moving plate, so that the spring force is evenly transmitted and the moving plate is prevented from wearing unevenly.

[0017] As a further improvement to the above solution, the spring is sleeved on the surface of the connecting rod, and the end of the spring away from the moving plate contacts the limiting plate. The top of the limiting plate is fixedly connected to the bottom of the liquid tank.

[0018] With the above technical solution, the spring is sleeved on the outer periphery of the connecting rod and its two ends are in contact with the moving clamping platform and the limiting plate respectively, forming a closed guide to avoid spring buckling failure and ensure that the clamping force can still be maintained after long-term operation.

[0019] Compared with the prior art, the beneficial effects of this utility model are: This invention features several threaded rods at the bottom of the inner liner that engage with the threads of the cultivation tube, allowing the tube to rise and fall during rotation. During tomato seed germination and seedling growth, the depth of root immersion can be adjusted in real time according to root length, ensuring that dissolved oxygen and nutrient supply remain optimal. This significantly improves seedling uniformity and survival rate. When the seedlings reach transplanting standards, simply continue rotating the cultivation tube to completely detach it from the threaded rods. The entire tube can then be pulled upwards, and the separator, substrate, and seedling can be removed together. No additional tools are needed to keep the root ball intact, greatly reducing seedling damage and improving subsequent transplanting efficiency.

[0020] This utility model features an elastic limiting assembly at the bottom of the liquid chamber, consisting of a slide rail, a movable locking platform, a connecting rod, a spring, and a limiting plate. During installation, the fixed locking platform is first hooked into the drag rod, and then the pull plate is pulled to compress the spring, causing the movable locking platform to move out of position. After releasing the hand, the spring automatically resets, and the movable locking platform quickly locks the drag rod on the opposite side, completing the single-person manual locking of the liquid chamber. During disassembly, the entire assembly can be released by reversing the operation, enabling rapid assembly, disassembly, and position adjustment of the culture unit on the fixed frame. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall connection structure of the liquid tank of this utility model; Figure 3 This is a cross-sectional view of the internal structure of the liquid tank of this utility model; Figure 4 This utility model Figure 3 Enlarged structural diagram at point A; Figure 5 This is a schematic diagram of the overall structure of the limiting component of this utility model.

[0022] In the diagram: 1. Fixing frame; 2. Trailing rod; 3. Liquid tank; 4. Cover; 5. Inlet pipe; 6. Inner liner; 7. Threaded rod; 8. Culture tube; 9. Divider plate; 10. Liquid inlet; 11. Fixing platform; 12. Limiting component; 121. Slide rail; 122. Moving platform; 123. Connecting rod; 124. Pull plate; 125. Limiting plate; 126. Spring; 13. Drain pipe; 14. Sealing cover. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0024] Example: Please combine Figures 1-5This embodiment of a soilless tomato seedling cultivation device includes a fixed frame 1, a drag rod 2 fixedly connected to the surface of the fixed frame 1, a liquid tank 3 snapped onto the surface of the drag rod 2, and caps 4 snapped onto both ends of the liquid tank 3. A water inlet pipe 5 is fixedly connected inside the cap 4. An inner liner 6 is provided inside the liquid tank 3. A threaded rod 7 is fixedly connected to the bottom of the inner wall of the inner liner 6. A cultivation tube 8 is threadedly connected to the surface of the threaded rod 7. A partition plate 9 is fixedly connected to the inner wall of the cultivation tube 8. A liquid inlet 10 is opened on the surface of the cultivation tube 8. A liquid inlet 10 is fixedly connected to the bottom of the liquid tank 3. A limit component 12 is fixedly connected to the bottom of the liquid tank 3.

[0025] During seedling cultivation, the seedling seeds are placed inside the cultivation tube 8, with the seeds positioned on top of the partition plate 9. Then, nutrient solution and water are transported into the inner tank 6 through the water inlet pipe 5, allowing the nutrient solution to enter the cultivation tube 8 through the liquid inlet 10 and come into contact with the seeds to promote seed growth. Once the seedlings have grown, the cultivation tube 8 is rotated to detach from the surface of the threaded rod 7, allowing the cultivation tube 8 to be directly extracted from the liquid tank 3, and the tomato seedlings inside can be removed for transplanting.

[0026] The number of threaded rods 7 is set to several, and the several threaded rods 7 are symmetrically and evenly distributed around the top center of the inner tank 6. The output end of the water inlet pipe 5 is located above the inner tank 6.

[0027] The cultivation tube 8 penetrates the top of the liquid chamber 3, and the liquid inlet 10 is located between the threaded rod 7 and the partition plate 9.

[0028] The bottom of the inner liner 6 is fixedly connected to a drain pipe 13, and the bottom of the drain pipe 13 is threadedly connected to a sealing cap 14.

[0029] The drain pipe 13 penetrates the bottom of the liquid tank 3.

[0030] The limiting component 12 includes a slide rail 121, a movable locking platform 122 slidably connected to the surface of the slide rail 121, a connecting rod 123 fixedly connected to the left end of the movable locking platform 122, a pull plate 124 fixedly connected to the left end of the connecting rod 123, a limiting plate 125 sleeved on the surface of the connecting rod 123, and a spring 126 fixedly connected to the left end of the movable locking platform 122.

[0031] During installation, the fixed mounting plate 11 is attached to the surface of the drag rod 2. Then, the limiting plate 125 is pulled, which pulls the connecting rod 123 and simultaneously drives the movable mounting plate 122 to slide inside the slide rail 121. At this time, the spring 126 is also compressed, releasing the tension applied to the limiting plate 125. The movable mounting plate 122 is then attached to the surface of the drag rod 2 that is away from the fixed mounting plate 11.

[0032] The top of the slide rail 121 is fixedly connected to the bottom of the liquid tank 3. There are two connecting rods 123, which are symmetrically distributed around the center of the left end surface of the moving plate 122.

[0033] Spring 126 is sleeved on the surface of connecting rod 123. The end of spring 126 away from moving plate 122 is in contact with limiting plate 125. The top of limiting plate 125 is fixedly connected to the bottom of liquid tank 3.

[0034] The implementation principle of the soilless cultivation device for tomato seedlings in this embodiment is as follows: When cultivating tomato seedlings, the seedling seeds are first placed inside the cultivation tube 8, so that the seeds are placed on top of the partition plate 9. Then, nutrient solution and water are transported into the inner tank 6 through the water inlet pipe 5, so that the nutrient solution enters the cultivation tube 8 through the liquid inlet 10 and comes into contact with the seeds to promote seed germination. After the seedlings have grown, the cultivation tube 8 is rotated so that it detaches from the surface of the threaded rod 7 and is directly extracted from the liquid tank 3. The tomato seedlings inside are then taken out, and the seedlings can be transplanted. At the same time, by rotating the cultivation tube 8, the height of the seeds or the germinated seedlings in the nutrient solution can be adjusted according to the condition of the seedlings.

[0035] When installing the liquid tank 3, first, the fixed clamp 11 is clamped onto the surface of the drag rod 2. Then, the limiting plate 125 is pulled, and the limiting plate 125 pulls the connecting rod 123, which simultaneously drives the movable clamp 122 to slide inside the slide rail 121. At this time, the spring 126 is also compressed, releasing the tension applied to the limiting plate 125. The movable clamp 122 is clamped onto the surface of the drag rod 2 that is away from the fixed clamp 11, thus limiting and fixing the entire liquid tank 3.

[0036] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A soilless cultivation device for tomato seedlings, characterized in that: The device includes a fixed frame (1), a drag bar (2) fixedly connected to the surface of the fixed frame (1), a liquid tank (3) snapped onto the surface of the drag bar (2), a cap (4) snapped onto both the left and right ends of the liquid tank (3), a water inlet pipe (5) fixedly connected inside the cap (4), an inner liner (6) provided inside the liquid tank (3), a threaded rod (7) fixedly connected to the bottom of the inner wall of the inner liner (6), a cultivation tube (8) threadedly connected to the surface of the threaded rod (7), a partition plate (9) fixedly connected to the inner wall of the cultivation tube (8), a liquid inlet (10) opened on the surface of the cultivation tube (8), a liquid inlet (10) fixedly connected to the bottom of the liquid tank (3), and a limit assembly (12) fixedly connected to the bottom of the liquid tank (3).

2. The soilless cultivation device for tomato seedlings according to claim 1, characterized in that: The number of threaded rods (7) is set to several, and the several threaded rods (7) are evenly distributed symmetrically around the top center of the inner liner (6). The output end of the water inlet pipe (5) is located above the inner liner (6).

3. The soilless cultivation device for tomato seedlings according to claim 1, characterized in that: The culture tube (8) extends through the top of the liquid chamber (3), and the inlet (10) is located between the threaded rod (7) and the partition plate (9).

4. The soilless cultivation device for tomato seedlings according to claim 1, characterized in that: The bottom of the inner liner (6) is fixedly connected to a drain pipe (13), and the bottom of the drain pipe (13) is threadedly connected to a sealing cap (14).

5. The soilless cultivation device for tomato seedlings according to claim 4, characterized in that: The drain pipe (13) penetrates the bottom of the liquid tank (3).

6. The soilless cultivation device for tomato seedlings according to claim 1, characterized in that: The limiting component (12) includes a slide rail (121), a movable locking platform (122) is slidably connected to the surface of the slide rail (121), a connecting rod (123) is fixedly connected to the left end of the movable locking platform (122), a pull plate (124) is fixedly connected to the left end of the connecting rod (123), a limiting plate (125) is sleeved on the surface of the connecting rod (123), and a spring (126) is fixedly connected to the left end of the movable locking platform (122).

7. The soilless cultivation device for tomato seedlings according to claim 6, characterized in that: The top of the slide rail (121) is fixedly connected to the bottom of the liquid tank (3), and there are two connecting rods (123), which are symmetrically distributed around the center of the left end surface of the moving plate (122).

8. The soilless cultivation device for tomato seedlings according to claim 6, characterized in that: The spring (126) is sleeved on the surface of the connecting rod (123). The end of the spring (126) away from the moving plate (122) is in contact with the limiting plate (125). The top of the limiting plate (125) is fixedly connected to the bottom of the liquid tank (3).

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