Rice seedling raising device

Abstract

The utility model discloses a rice seedling raising device which comprises a nutrient solution tank, and a liquid inlet pipe is fixedly installed at one corner of the top of the nutrient solution tank. A mounting hole is formed in the middle of the horizontal plate, a seedling raising pipe is mounted in the mounting hole in a penetrating mode, a water permeable hole is formed in the bottom of the seedling raising pipe, and a top threaded rod is fixed to the top face of the horizontal plate; and the top threaded rods penetrate through the stabilizing holes, the stabilizing holes are formed in the corners of the positioning plate, a positioning hole is formed in the middle of the positioning plate, and a protection ring is fixedly installed on the inner wall of the positioning hole. According to the rice seedling raising device, novel structural design is adopted, the height of rice seedlings can be conveniently adjusted through the vertical adjusting mechanism, the depth of a rice root system immersed in a nutrient solution can be conveniently adjusted according to the length of the rice root system at different production stages, and the height of the stem limiting mechanism can be conveniently adjusted in cooperation; the rice stems in different production stages are stably limited, so that the rice seedlings are prevented from inclining or lodging.

Description

Technical Field

[0001] The utility model relates to the technical field of rice seedling cultivation, in particular to a rice seedling cultivation device. Background Art

[0002] Rice is one of the important food crops of mankind. It has a very long history of cultivation and consumption. Half of the world's population eats rice, mainly in Asia, southern Europe, tropical America and parts of Africa. The total output of rice ranks third in the world's food crops. Agronomists have been committed to improving rice to obtain higher per-acre yield.

[0003] Existing rice seedling raising devices, such as the authorized Chinese utility model patent with publication number CN213073778U, entitled a root irrigation type rice seedling raising device, can realize continuous irrigation of rice roots, but cannot conveniently adjust the depth of rice roots immersed in nutrient solution according to the length of rice roots at different production stages, and also cannot straighten and limit the position of rice stems at different production stages. Therefore, it is necessary to design a rice seedling raising device to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a rice seedling raising device to solve at least one technical problem existing in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rice seedling raising device, comprising:

[0007] A nutrient solution tank, wherein a liquid inlet pipe is fixedly installed at one corner of the top of the nutrient solution tank, an adjustment cylinder is rotatably installed at the middle of the outer side of the nutrient solution tank through a bearing seat, a support threaded rod is installed through the center of the adjustment cylinder, and a horizontal plate is fixedly installed at the top of the support threaded rod;

[0008] A horizontal plate, wherein a mounting hole is provided in the middle of the horizontal plate, a seedling tube is installed through the mounting hole, a water-permeable hole is provided at the bottom of the seedling tube, a top threaded rod is fixed to the top surface of the horizontal plate, and a locking nut is installed on the top threaded rod;

[0009] A top threaded rod, wherein the top threaded rod passes through a stabilizing hole, wherein the stabilizing hole is provided at a corner of a positioning plate, wherein a positioning hole is provided in the middle of the positioning plate, and a protective ring is fixedly mounted on an inner wall of the positioning hole.

[0010] Preferably, the bottom surface of the nutrient solution tank is arranged as an inclined surface, a drainage pipe is installed through the lower end of the bottom surface of the nutrient solution tank, and a filter cartridge is installed on the drainage pipe.

[0011] Preferably, the filter cartridge is threadedly connected to the drain pipe, the filter cartridge is made of a fine stainless steel wire mesh, and the diameter of the holes on the filter cartridge is smaller than the diameter of the water-permeable holes.

[0012] Preferably, the adjusting cylinder is threadedly connected to the supporting threaded rod, the front view shape of the adjusting cylinder is a "T" shape, the adjusting cylinder and the supporting threaded rod are symmetrically distributed about the center of the nutrient solution tank, and the centers of the nutrient solution tank, the adjusting cylinder and the supporting threaded rod are on the same vertical plane.

[0013] Preferably, the horizontal plate is provided with mounting holes in an array, the mounting holes are snap-fittedly connected to the seedling raising tube, and the front view shape of the seedling raising tube is a "T" shape.

[0014] Preferably, the bottom of the seedling raising tube is densely provided with water-permeable holes, and the length of the portion covered by the water-permeable holes is greater than 1 / 3 of the entire length of the seedling raising tube.

[0015] Preferably, the locking nut is vertically symmetrically distributed about the center of the stabilizing hole, the stabilizing hole is slidably connected to the top threaded rod, and the top threaded rod and the stabilizing hole are both symmetrically distributed about the center of the positioning plate.

[0016] Preferably, the positioning holes are densely distributed in an array on the positioning plate, and the centers of the positioning holes and the center of the seedling tube are on the same vertical line.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The new structural design can conveniently adjust the height of the rice seedlings through the vertical adjustment mechanism, so as to adjust the depth of the rice roots immersed in the nutrient solution according to the length of the rice roots at different production stages, and cooperate with the stem limiting mechanism that can be easily adjusted at the same height to stabilize the rice stems at different production stages and prevent the rice seedlings from tilting or lodging;

[0019] 1. The utility model uses the threaded connection relationship 1 to drive the supporting threaded rod to move the horizontal plate and the seedling tube vertically by rotating the symmetrically distributed adjusting cylinders in the same direction at the same time, and cooperates with the water-permeable holes at the bottom of the seedling tube to ensure that the rice roots at different production stages can be immersed in the nutrient solution to a suitable depth, thereby ensuring the stable growth of the rice seedlings;

[0020] 2. The utility model allows the positioning plate to slide vertically along the top threaded rod with the stabilizing hole, adjusts the spacing between the positioning hole and the protective ring and the horizontal plate, and quickly fixes the height of the positioning plate through symmetrically distributed locking nuts, so that the positioning hole and the protective ring can stably limit the rice stems at different production stages to prevent the rice seedlings from tilting or lodging. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a front view structural schematic diagram of the utility model.

[0022] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0023] Figure 3 It is a schematic diagram of the structure of the utility model from top view.

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the seedling raising tube of the utility model when viewed from above.

[0025] In the figure: 1. Nutrient solution tank; 2. Liquid inlet pipe; 3. Liquid discharge pipe; 4. Filter cylinder; 5. Adjustment cylinder; 6. Support threaded rod; 7. Horizontal plate; 8. Mounting hole; 9. Seedling tube; 10. Water permeable hole; 11. Top threaded rod; 12. Locking nut; 13. Stabilizing hole; 14. Positioning plate; 15. Positioning hole; 16. Protective ring. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[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 in 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] See also Figure 1-4 , an embodiment provided by the utility model:

[0031] A rice seedling raising device, comprising:

[0032] Nutrient solution tank 1, a liquid inlet pipe 2 is fixedly installed at one corner of the top of the nutrient solution tank 1, the bottom surface of the nutrient solution tank 1 is set as an inclined surface, and a drainage pipe 3 is installed through the lower end of the bottom surface of the nutrient solution tank 1, and a filter cartridge 4 is installed on the drainage pipe 3. The above-mentioned structural design facilitates the flow of nutrient solution in the nutrient solution tank 1 and the flow and discharge of impurities. The filter cartridge 4 plays a role in filtering impurities to prevent impurities from affecting the circulation of the nutrient solution. The filter cartridge 4 is threadedly connected to the drainage pipe 3. The filter cartridge 4 is made of fine stainless steel wire mesh. The diameter of the holes on the filter cartridge 4 is smaller than the diameter of the water permeable hole 10. The above-mentioned structural design enables the filter cartridge 4 to intercept impurities in the nutrient solution and can be easily disassembled, cleaned and filtered. Impurities trapped on the cylinder 4, an adjusting cylinder 5 is rotatably installed on the middle part of the outer side of the nutrient solution tank 1 through a bearing seat, a supporting threaded rod 6 is installed through the center of the adjusting cylinder 5, and a horizontal plate 7 is fixedly installed on the top of the supporting threaded rod 6. The adjusting cylinder 5 and the supporting threaded rod 6 are threadedly connected, and the front view shape of the adjusting cylinder 5 is a "T" shape. The adjusting cylinder 5 and the supporting threaded rod 6 are symmetrically distributed about the center of the nutrient solution tank 1. The centers of the nutrient solution tank 1, the adjusting cylinder 5 and the supporting threaded rod 6 are on the same vertical plane. The above structural design makes the adjusting cylinder 5 easy to operate, and when rotating, the threaded connection relationship can be used to stably drive the supporting threaded rod 6 to move vertically with the horizontal plate 7;

[0033] A horizontal plate 7, a mounting hole 8 is provided in the middle of the horizontal plate 7, a seedling tube 9 is installed through the mounting hole 8, a water-permeable hole 10 is provided at the bottom of the seedling tube 9, a top threaded rod 11 is fixed to the top surface of the horizontal plate 7, and a locking nut 12 is installed on the top threaded rod 11;

[0034] The top threaded rod 11 passes through the stabilizing hole 13 , which is arranged at the corner of the positioning plate 14 , and a positioning hole 15 is arranged in the middle of the positioning plate 14 , on the inner wall of which a protective ring 16 is fixedly installed.

[0035] In one of the embodiments, the horizontal plate 7 is provided with mounting holes 8 in an array, and the mounting holes 8 are snap-fittedly connected to the seedling tube 9. The front view shape of the seedling tube 9 is a "T" shape. The above structural design allows the seedling tube 9 to be easily disassembled and installed, and enables the entire device to simultaneously grow multiple groups of rice seedlings.

[0036] In one of the preferred embodiments, water holes 10 are densely opened at the bottom of the seedling tube 9, and the length of the part covered by the water holes 10 is greater than 1 / 3 of the overall length of the seedling tube 9. The above structural design ensures that the nutrient solution can pass through the water holes 10 and fully contact the rice root system.

[0037] In one of the embodiments, the locking nut 12 is vertically symmetrically distributed about the center of the stabilizing hole 13, the stabilizing hole 13 is slidably connected to the top threaded rod 11, and the top threaded rod 11 and the stabilizing hole 13 are symmetrically distributed about the center of the positioning plate 14. The above-mentioned structural design enables the positioning plate 14 to slide vertically along the top threaded rod 11 with the stabilizing hole 13 to adjust the use height, and the height of the positioning plate 14 can be quickly fixed by squeezing the locking nut 12.

[0038] In one of the preferred embodiments, the positioning holes 15 are densely distributed in an array on the positioning plate 14, and the center of the positioning hole 15 is on the same vertical line as the center of the seedling tube 9. The above-mentioned structural design enables the positioning holes 15 to stably support and limit the stems of the rice seedlings placed in the seedling tube 9.

[0039] The working principle of the utility model is as follows: when using the device, firstly, an appropriate amount of nutrient solution is injected into the nutrient solution tank 1 through the circulation pump connected to the liquid inlet pipe 2, the valve on the liquid discharge pipe 3 is closed, and the rice seedlings of different strains are inserted from top to bottom through the positioning hole 15 into the seedling tube 9;

[0040] Then, according to the length of the rice seedling root system and the required immersion depth, it rotates forward or reverse at the same time. Figure 2 The adjusting cylinder 5 is symmetrically distributed in the middle, and the adjusting cylinder 5 uses a threaded connection relationship to drive the supporting threaded rod 6 to move vertically upward or vertically downward with the horizontal plate 7 and the seedling tube 9, until the root system of the rice seedlings at the bottom of the seedling tube 9 is immersed in the culture solution in the nutrient solution tank 1 to a sufficient depth, and then the adjusting cylinder 5 stops rotating, and the height of the supporting threaded rod 6 with the horizontal plate 7 and the seedling tube 9 is fixed by thread self-locking;

[0041] Then, the symmetrically distributed locking nuts 12 are rotated away from the upper and lower end surfaces of the positioning plate 14, and the positioning plate 14 is moved to slide vertically along the top threaded rod 11 with the stabilizing hole 13 until the soft protective ring 16 inside the positioning hole 15 fits with the rice seedling stem at a suitable height, and the symmetrically distributed locking nuts 12 are rotated to reset and squeeze the upper and lower end surfaces of the positioning plate 14, so that the height of the positioning plate 14 is fixed, and the rice seedling stem is stably supported and positioned;

[0042] The heights of the horizontal plate 7 and the positioning plate 14 can be adjusted synchronously according to the growth of the rice seedlings to ensure the depth of the root system immersed in the nutrient solution and the supporting and positioning effect on the stem. The filter cartridge 4 can be screwed down regularly to clean the impurities trapped on the surface of the filter cartridge 4. The valve on the drain pipe 3 can be opened regularly to discharge the nutrient solution used for a period of time to supplement the nutrients and then input into the nutrient solution tank 1 again through the circulation pump connected to the inlet pipe 2.

[0043] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A rice seedling raising device, characterized in that: It includes: A nutrient solution tank (1), wherein a liquid inlet pipe (2) is fixedly mounted at one corner of the top of the nutrient solution tank (1), an adjustment cylinder (5) is rotatably mounted on the middle of the outer side surface of the nutrient solution tank (1) through a bearing seat, a support threaded rod (6) is installed through the center of the adjustment cylinder (5), and a horizontal plate (7) is fixedly mounted on the top of the support threaded rod (6); A horizontal plate (7), wherein a mounting hole (8) is provided in the middle of the horizontal plate (7), a seedling raising tube (9) is installed through the mounting hole (8), a water permeable hole (10) is provided at the bottom of the seedling raising tube (9), a top threaded rod (11) is fixed to the top surface of the horizontal plate (7), and a locking nut (12) is installed on the top threaded rod (11); A top threaded rod (11), the top threaded rod (11) passes through a stabilizing hole (13), the stabilizing hole (13) is provided at a corner of a positioning plate (14), a positioning hole (15) is provided in the middle of the positioning plate (14), and a protective ring (16) is fixedly mounted on the inner wall of the positioning hole (15).

2. A rice seedling raising device according to claim 1, characterized in that: The bottom surface of the nutrient solution tank (1) is arranged as an inclined surface, a drainage pipe (3) is installed through the lower end of the bottom surface of the nutrient solution tank (1), and a filter cartridge (4) is installed on the drainage pipe (3).

3. A rice seedling raising device according to claim 2, characterized in that: The filter cartridge (4) is threadedly connected to the drain pipe (3); the filter cartridge (4) is made of a fine stainless steel wire mesh; and the diameter of the holes on the filter cartridge (4) is smaller than the diameter of the water permeable hole (10).

4. A rice seedling raising device according to claim 1, characterized in that: The adjusting cylinder (5) is threadedly connected to the supporting threaded rod (6); the front view shape of the adjusting cylinder (5) is a "T" shape; the adjusting cylinder (5) and the supporting threaded rod (6) are symmetrically distributed about the center of the nutrient solution tank (1); and the centers of the nutrient solution tank (1), the adjusting cylinder (5) and the supporting threaded rod (6) are located on the same vertical plane.

5. A rice seedling raising device according to claim 1, characterized in that: The horizontal plate (7) is provided with mounting holes (8) in an array, the mounting holes (8) are connected to the seedling raising tube (9) by snap-fitting, and the front view shape of the seedling raising tube (9) is a "T" shape.

6. A rice seedling raising device according to claim 1, characterized in that: The bottom of the seedling raising tube (9) is densely provided with water permeable holes (10), and the length of the portion covered by the water permeable holes (10) is greater than 1 / 3 of the entire length of the seedling raising tube (9).

7. A rice seedling raising device according to claim 1, characterized in that: The locking nut (12) is vertically symmetrically distributed about the center of the stabilizing hole (13), the stabilizing hole (13) is slidably connected to the top threaded rod (11), and the top threaded rod (11) and the stabilizing hole (13) are both symmetrically distributed about the center of the positioning plate (14).

8. The rice seedling raising device according to claim 1, characterized in that: The positioning holes (15) are densely distributed in an array on the positioning plate (14), and the center of the positioning hole (15) and the center of the seedling tube (9) are located on the same vertical line.

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