JP2010161965A - Improvement of cultivation box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an improved cultivation box by improving such demerits that a conventional cultivation box requires 2 tubes for each of culture solution feeding and discharging pipes, and simplifying a device and decreasing an installation cost. <P>SOLUTION: This improved cultivation box is obtained by setting a root storing chamber in a box made of an adiabatic material, setting a plurality of planting holes opening from the upper surface of the box into the root storing chamber, and extending the leaf and stalk parts of plants planted in the planting holes to the upper surface of the box, and the roots to the root storing chamber. The lower end of the culture solution pouring passage is opened as a pouring passage outlet on one side of the root storing chamber, and the upper end of the culture solution pouring passage is projected as a pouring passage inlet to the upper surface of the box. Furthermore, the upper end of the culture solution discharging passage is opened as a discharging passage inlet on the other side of the root storing chamber, and the lower end of the culture solution discharging passage is arranged as a discharging passage outlet in a lower place where the culture solution pouring passage inlet is to be placed when vertically inverting the cultivation box. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to improvement of a cultivation box for outdoor hydroponics that is not easily affected by outside air temperature and can be turned upside down in order to avoid various disasters.

  The inventor previously provided, as the seed cultivation box, a root storage chamber inside the box made of lightweight heat insulating material such as polystyrene foam, and a plurality of planting holes opened from the top surface of the box to the root storage chamber. In addition, a structure having a structure in which a leaf stem portion of a plant planted in the planting hole is extended to the upper surface of the box, a root is extended into the storage chamber, and a culture solution is injected into and discharged from the root storage chamber is proposed.

  However, the conventional cultivation box as described above, as a culture solution injection and discharge means, has a lower end opened in the root storage chamber at one end of the box, and a culture solution injection projecting from the upper surface of the cultivation box with the upper end serving as an injection port A tube, and a culture medium discharge pipe projecting from the bottom of the cultivation box with the lower end serving as an outlet and projecting from the lower surface of the cultivation box at the other end of the box. The feeding tube was placed at the lower part of the outlet of the outlet tube, and the culture tube was further inverted 180 degrees upside down, so that the role of the inlet tube was changed to the outlet tube and the outlet tube was changed to the inlet tube. Sometimes, it is necessary to arrange a culture medium discharge pipe below the new discharge pipe and a culture medium supply pipe above the new injection pipe. 2 bottles of culture medium Each becomes necessary, this has been a factor that leads to the complexity of the apparatus, the high cost of equipment.

  This invention improves the fault which the conventional cultivation box requires two culture solution supply pipes and two discharge pipes, respectively, and makes it a subject to the simplification of an apparatus and reduction of installation cost.

As means for solving the above problems, the first invention of the present application is:
Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers,
The lower end of the culture liquid injection path is opened as an injection path outlet at one side of the root storage chamber, the upper end of the culture liquid injection path is used as the injection path inlet, and protrudes from the upper surface of the box. Opened to the other side of the root storage chamber as a discharge path inlet, with the lower end of the culture medium discharge path as a discharge path outlet, and positioned at a lower position where the inlet of the culture liquid injection path should be positioned when the cultivation box is turned upside down Let
Proposed improved cultivation box,

The second invention of the present application is
Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers, and the rotation shafts projecting on both side surfaces of the box are supported on the bearings, respectively.
Each of the rotary shafts is a hollow rotary shaft, one hollow rotary shaft is used as a culture solution injection path, an inner end thereof is opened as an injection channel outlet at one side of the root storage chamber, and an outer end of the culture solution injection path And the other hollow rotating shaft as the culture medium discharge path, and the inner end thereof opens to the other side of the root storage chamber as the discharge path inlet and the culture medium discharge path outer end as the discharge path. Protruding as an exit,
Proposed improved cultivation box,

The third invention of the present application is
Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers, and the rotation shafts projecting on both side surfaces of the box are supported on the bearings, respectively.
One of the two rotary shafts is a hollow rotary shaft, the hollow rotary shaft is used as a culture solution injection / discharge dual-purpose passage, and an inner end thereof is opened as an injection passage outlet / discharge passage inlet in the root storage chamber. The outer end of the road protrudes as the inlet of the injection path, and the discharge path is rotatably branched from the injection / discharge combined path, and the outer end of the branch discharge path protrudes as the outlet of the discharge path.
Proposed improved cultivation box,

The fourth invention of the present application is
Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers,
On one side of the box,
A valve formed by inserting a valve body that opens the inlet channel at both ends and the inlet channel outlet at the middle, descends by its own weight inside the inlet channel, closes the lower inlet channel, and opens the upper inlet channel Through the vertical injection path, both the injection path inlets protrude above and below the box, respectively, and the injection path outlet is opened in the root storage chamber,
Also, on the other side of the box,
A valve formed by opening a discharge passage outlet at both ends and opening a discharge passage entrance in the middle, inserting a valve body that descends by its own weight inside the discharge passage, opens the lower discharge passage outlet, and closes the upper discharge passage outlet Through the vertical discharge path, and projecting both discharge path outlets on the upper and lower surfaces of the box, and opening the discharge path inlet into the root storage chamber,
When each valve body descends by its own weight during normal cultivation and upside down of the cultivation box, the bottom surface of the box closes the inlet of the wax injection path and the upper surface of the box closes the inlet of the wax injection path. And the open inlet passage and the root storage chamber are communicated with each other via the intermediate inlet passage outlet. Closed, the box bottom surface opens the drainage channel outlet, and is in a positional relationship that communicates the opened drainage channel outlet and the root storage chamber via the middle outlet channel.
Proposed improved cultivation box,

The fifth invention of the present application is
Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers,
In the box above,
The inlet and outlet of the inlet and outlet of the injection path are opened at both ends, and the inlet and outlet of the inlet and outlet are opened in the middle. A part of the inlet / outlet passage with a valve, which is slidably inserted into the inlet / outlet of the upper injection passage and slidably inserted, is opened and closed in a vertical direction. As a result, both the inlet and outlet passages protrude from the upper and lower surfaces of the box, respectively, and the intermediate inlet and outlet passage is opened in the root storage chamber.
When the valve body is lowered by its own weight during normal cultivation of the cultivation box and when it is turned upside down, the lower surface of the box closes the inlet / outlet of the inlet and the outlet of the outlet through the leakage passage, and the upper surface of the box is closed. While opening the injection path inlet / discharge path outlet, the opened injection path inlet / discharge path outlet and the root storage chamber are in communication with each other via the intermediate injection path outlet / discharge path inlet.
Propose an improved cultivation box.

  In each of the first to fifth inventions of the present application, it is sufficient to arrange one culture solution supply tube and one culture solution discharge tube, respectively. It can be done.

  In addition, when the first, second and fourth inventions of the present application are used for actual cultivation, the culture solution can be discharged from the other side while injecting the culture solution from one side into the root storage chamber. Even during normal cultivation and upside down, a fresh culture solution can be constantly supplied to the roots, and the flow of the culture solution can be generated, and the acupuncture can be given to the roots to promote plant growth.

  Since the third and fifth inventions of the present application use both injection and discharge as one injection / discharge path, the structure is simplified compared to the case where the injection path and the discharge path are provided independently, This contributes to further savings in equipment costs.

(A) It is a partially omitted vertical sectional view of the cultivation box according to the first invention. (B) It is a partially omitted vertical cross-sectional view of the above-mentioned vertically inverted state. (C) It is an expanded sectional view of the corner | angular part of a cultivation box. (A) It is a partially omitted vertical sectional view of the cultivation box according to the second invention. (B) A partially omitted vertical sectional view of a cultivation box according to the third invention. (C) It is an enlarged partial longitudinal cross-sectional view of a swivel joint part. (A) It is a partially omitted vertical sectional view of the cultivation box according to the fourth invention. (B) A partially omitted vertical cross-sectional view of a cultivation box according to the fifth invention. (C) It is an enlarged front view of a valve body. (D) (C) It is the sectional view on the AA line of a figure.

  In the present invention, the “heat insulating material” includes a synthetic resin foam such as polystyrene resin, polyurethane resin, polyethylene resin, or a composite material of a synthetic resin foam and a light metal plate such as a synthetic resin plate, a wooden plate, and aluminum. A variety of lightweight and thermally insulating materials are used. When a box is formed with a synthetic resin foam, it is advisable to apply a waterproof paint such as polyurethane resin paint (registered trademark Reball Mighty) on the inside of the root storage room, planting hole, etc., and on the outside of the box. .

  In addition, if necessary, the root storage chamber is filled with a material having water retention properties such as fiber mat, sponge, yarn ball, cloth, non-woven fabric, paper, etc., in which a large number of fibers are entangled with a small gap. It is also good to keep it.

  Furthermore, for the convenience of harvesting the plant cultivated in the cultivation box of the present invention, the box plate provided with a plurality of planting holes is divided into two by the two split lines passing through the center of the planting hole. Alternatively, a plurality of detachable cover plates may be provided on the box upper plate, the cover plate may be divided into two, and a planting hole may be provided on the two split lines.

Examples of the present invention will be described in detail below.
Example 1 of the First Invention The cultivation box (1) shown in FIGS. 1 (a) and 1 (b) includes a lightweight, heat-insulating rectangular upper plate (2) made of polystyrene foam and a rectangular lower plate (3) made of the same material. Overlaid, and on these, on the four peripheral portions of the lower plate (2), (3), a synthetic resin frame material (4) ... with a U-shaped cross section is detachably fitted and joined from the outside, Inside the box (1) is a root storage chamber (5) that is narrow in the vertical direction and has a large flat area. In this example, the lower plate (3) is recessed in the alligator, and the upper plate (2) A plurality of circular planting holes (6) opened from the upper surface of the plate (2) into the root storage chamber (5) are arranged in one row on the left and right, and the plant (P) planted in the planting holes (6). ... The leaf stem portion is projected on the upper plate (2), and the root is extended into the root storage chamber (5).

  For the convenience of harvesting, the upper plate (2) is divided into two by a dividing line parallel to the long side in the present example, and the planting hole (6 ) ... is provided.

  In the left part of the box (1), as the injection path, the culture solution injection tube (7) protruding with the upper end as the injection tube inlet vertically penetrates the upper plate (2), and the lower end as the injection tube outlet and the root The discharge passage is made up of a communication hole (8) and a discharge pipe (9), and the communication hole (8) is connected to the lower plate (3). It is vertically passed through in the left-right direction, its right end is opened to the right end in the root storage chamber (5), and its left end is extended to a lower level corresponding to the injection tube (7). The discharge pipe (9) is vertically penetrated to the left side of the lower plate (3), and the upper end thereof is opened as a discharge pipe inlet to the left end of the communication hole (8), and the lower end is used as a discharge pipe outlet. The lower plate (3) protrudes from the lower surface.

  In this case, the outlet of the discharge pipe (9) is located at a position where the inlet of the injection pipe (7) should reach when the cultivation box (1) is inverted 180 degrees up and down.

  The frame member (4) is formed between one frame member (4) as shown in FIG. 5 (c) between the adjacent frame members (4) and (4) at the corners of the box (1). ) Extending the connection piece (10), and connecting the male locking tool (11) such as a male hook attached to the connection piece (10) with a female locking tool (such as a female hook attached to the adjacent frame member (4)). 12) is removably engaged with each other, whereby both frame members (4) and (4) are detachably connected. (13) and (13) are handles protruding from the frame members (4) and (4) located at the left and right ends of the box (1).

  A large number of cultivation boxes (1) with the above structure are adjacent to each other in the front and rear directions on the support bases (14) and (14) installed on the left and right as shown in FIGS. Place the supply port (15 ′) of the culture solution feed pipe (15) above the inlet of the injection pipe (7) of each cultivation box (1), and discharge the pipe (9). The outlet (16 ') of the discharge rod (16) is opened below the outlet.

  The culture solution prepared in the tank is pumped to the culture solution supply tube (15) by a pump, and the culture solution is injected from the supply tube (15) into the injection tube (7) of each cultivation box (1). Then, it is supplied to the left side in the root storage chamber (5) through the injection tube (7). The culture medium entered in the root storage chamber (5) flows to the right side, then flows into the communication hole (8) from the right end and flows to the left side, and then passes through the discharge pipe (9) at the left end. Discharged to (16). In the meantime, the culture fluid flows from the left to the right in the root storage chamber (5), continuously supplying fresh culture fluid to the roots of the plant and giving the roots acupuncture by flow.

  The culture solution discharged to the discharge tank (16) is sent to a filtration device and filtered, and the filtrate is returned to the culture solution tank for circulation.

  In the course of normal cultivation using the cultivation box (1), when the cultivation box (1) is to be turned upside down for other purposes in order to eliminate pests attached to the leaf stem of the plant or to escape from the storm When two workers hold the left and right handles (13) and (13) and turn the cultivation box (1) up and down 180 degrees, they stand up as shown in FIG. The injection pipe (7) turned its role to the discharge pipe with its inlet facing the discharge rod (16), and the discharge pipe (9) that had been inverted at its lower side pointed its outlet to the feed pipe (15) Then, the role is changed to the injection pipe, whereby the culture solution is injected from the feed pipe (15) into the discharge pipe (9), and flows from the discharge pipe (9) to the right side through the communication hole (8). It flows into the root storage chamber (5) and then flows down to the left in the root storage chamber (5). Is the discharged to the discharge through the injection tube (7) Okutoi (16), in the same manner as described above, providing a supply of the root storage chamber (5) roots fresh medium in the stimulation due to the flow.

Second Embodiment of the Invention The cultivation box (1a) shown in FIG. 2 (a) has a hollow rotating shaft that protrudes horizontally from the left and right side surfaces of the box (1a) and the rotating shaft on the left and right support bases ( 14a) and (14a) are rotatably supported by bearings (17a) and (17a), and the left and right hollow rotary shafts are used as the injection tube (7a). The inner end is opened to the left end in the root storage chamber (5a) as an injection tube outlet, and the outer end of the injection tube (7a) penetrates the bearing (17a) and protrudes further outward. Is the inlet of the injection tube, and the supply port (15′a) of the culture solution supply tube (15a) is rotatably connected thereto via a rotary joint (18a).

  On the other hand, the right hollow rotating shaft is a discharge pipe (9a), and the inner end thereof is opened as a discharge pipe inlet to the right end in the root storage chamber (5a), and the outer end of the discharge pipe (9a) is connected to the bearing. (17a) is further projected to the outside, and the projecting end is used as a discharge tube outlet, and a discharge port (16′a) of a culture solution discharge tube (16a) disposed at a lower position with a drop is provided to this. It is connected rotatably via a rotary joint (19a).

  In this example, the upper plate (2a) of the box is a single plate, and the upper plate (2a) is provided with a number of round holes (20a) that open from the upper surface into the root storage chamber (5a). It is opened in one row on the left and right, and these round holes (20a) are divided into two by dividing lines in the diameter direction for convenience of harvesting, and planting holes (6a) are opened on the dividing lines. Two split cover plates (21a) are detachably fitted.

  (22a) and (23a) are chain sprockets fixed to the discharge pipe (9a) on the right side, and the rotations from the motor are sequentially transmitted to each cultivation box by the chain spanned over them.

  In this example, during normal cultivation and upside down, as in the apparatus of FIG. 1, the culture solution injected from the culture solution supply tube (15a) through the injection tube (7a) into the root storage chamber (5a). Flows to the right side in the chamber (5a), then passes through the discharge pipe (9a), is discharged to the culture medium discharge pipe (16a), is filtered by the filtration device, and is circulated and discharged.

Embodiment 3 of the Third Invention The cultivation box (1b) shown in FIG. 2 (b) has a left hollow rotary shaft as an injection / discharge tube (24b) that is rotatably supported by a bearing (17b) and has an inner end thereof. Opening into the root storage chamber (5b) as the inlet and outlet of the injection tube, and feeding the culture solution into the inlet of the inlet tube (24b), which is the projecting end of the dual tube (24b) from the bearing (17b). The supply port (15′b) of the pipe (15b) is connected via a rotary joint (18b), and the discharge pipe outlet hole (as shown in FIG. 25b) and (25b) are opened, and the outlet (16'b) of the culture medium discharge pipe (16b) is rotatably connected to the outlet holes (25b) and (25b) by a swivel joint (26b). It is. (27b) is a valve connected to the outlet (16′b).

  The right rotation shaft (28b) is a normal solid shaft.

  In this example, liquid reservoirs (29b)... (30b)... Each including a recessed portion are formed on the top and bottom surfaces of the root storage chamber (5b). The other structure is substantially the same as FIG.

  In normal cultivation using the cultivation box (1b) of this example, the valve (27b) of the discharge port (16′b) is first closed, and then the culture solution is supplied from the culture solution supply pipe (15b) (15′b). ), And pumped into the root storage chamber (5b) through the injection / discharge tube (24b). When the inside of the root storage chamber (5b) is filled with the culture solution, the culture solution pressure feeding from the feeding pipe (15b) is stopped, and the valve (27b) of the discharge port (16′b) is opened instead. Due to the drop, the culture solution in the root storage chamber (5b) is discharged from the dual-use tube (24b) through the discharge holes (25b) and (25b) and the swivel joint (26b) from the discharge port (16'b). It is gradually discharged into the pipe (16b).

  A small amount of the culture solution in the root storage chamber (5b) is discharged from the bottom liquid reservoir (30b). After cultivating for a while with the culture solution remaining in the liquid reservoir (30b), the valve (27b) is closed and the culture solution pressure feeding from the culture solution supply pipe (15b) to the root storage chamber (5b) is resumed. Then, the culture solution pressure feeding and discharging are repeated.

  When the cultivation box (1c) is turned upside down 180 degrees and the inversion stops for a short time, cultivation is performed with the culture solution remaining in the liquid reservoir (29b). The culture solution pressure feed from the culture solution feed pipe (15b) and the culture solution discharge to the discharge pipe (16b) are repeated as appropriate.

Embodiment of the Fourth Invention The present invention is a cultivation box using a valved injection pipe and a valved discharge pipe.
In FIG. 3 (a), an inlet pipe (7c) with a valve is provided on the left side of the box (1c), and a discharge pipe (9c) with a valve is provided on the right side so as to penetrate the box (1c) vertically. .

  The above-mentioned injection pipe with valve (7c) projects from the upper and lower faces of the box (1c) with the upper and lower ends of the cylindrical pipe main body as inlet pipe inlets, and is opened on the intermediate pipe wall. The outlets (31c) and (31c) are opened into the root storage chamber (5c), and valve seats (32c) and (33c) are formed on the upper and lower ends of the pipe body so that the inlets are narrowed. Then, an appropriate weight valve body (34c) formed in a truncated cone shape at both ends of the short cylindrical body is inserted into the tube body between the valve seats (32c) and (33c) so as to be able to descend by its own weight. is there.

  In this case, when the valve body (34c) descends by its own weight and is in pressure contact with the lower valve seat (33c) or (32c) during normal cultivation and reversal, the lower injection pipe inlet is closed. The upper injection tube inlet is opened, and the opened inlet is in a positional relationship to open the root storage chamber (5c) through the injection tube outlets (31c) and (31c).

  The above-mentioned discharge pipe with valve (9c) is a discharge pipe that is opened on the upper and lower surfaces of the box (1c) with the upper and lower ends of the cylindrical pipe body as outlets of the discharge pipe, and is opened on the intermediate pipe wall. The inlets (35c) and (35c) are opened in the root storage chamber (5c), and the valve seats (36c) and (37c) that expand upward and downward are formed on the upper and lower ends of the pipe body. Each of the valve bodies has a truncated cone shape and a pair of appropriately-weighted valve bodies (38c) and (39c), with the truncated heads facing each other, from the inner diameter of the pipe body. Is a composite valve element that is connected by a small-diameter connecting rod (40c). With the connecting rod (40c) inserted into the pipe body, one valve element (38c) is connected to the one valve seat (36c). The other valve body (39c) is placed outside the other valve seat (37c). In are then lowerable positioned.

  In this case, at the time of normal cultivation and upside down, the composite valve descends by its own weight, and the upper valve body (38c) or (39c) presses against the upper valve seat (36c) or (37c) to discharge higher When the pipe outlet is closed, the lower valve body (39c) or (38c) is separated from the lower valve seat (37c) or (36c) to open the lower discharge pipe outlet, and the opened discharge pipe There is a positional relationship in which the outlet communicates with the inside of the root storage chamber (5c) via the discharge pipe inlets (35c) and (35c).

  In this example, during normal cultivation in FIG. 5A, when the culture solution is injected from the culture solution supply tube (15c) into the valved injection tube (7c) from the upper injection tube inlet, From the injection pipe outlets (31c) and (31c), the inside of the root storage chamber (5c) flows to the right side, then reaches the discharge pipe (9c) with a valve, and from the discharge pipe inlets (35c) and (35c) to the discharge pipe ( 9c) flows down through the valve seat (37c) that is opened, and is discharged from the outlet of the lower discharge pipe to the culture medium discharge tank (16c).

  When the valve is turned upside down by 180 degrees, the valve bodies (34c) and the composite valve bodies (38c), (39c) of the injection pipe (7c) and the discharge pipe (9c) are lowered by their own weights, respectively. Thus, the same culture fluid supply / discharge as described above is performed.

Example of Fifth Invention A cultivation box (1d) in FIG. 3 (b) is one in which an injection / discharge pipe (41d) with a valve is vertically penetrated on one side of the box.

  The above-mentioned injection / discharge tube (41d) projects from the upper and lower surfaces of the box (1d) with the upper and lower ends of the cylindrical tube body as the injection tube inlet / discharge tube outlet, and the middle part of the tube body Valve seats (43d) and (44d) are formed on the upper and lower ends of the large-diameter pipe portion (42d), and the inlet and outlet are narrowed to the narrow side. An injection pipe outlet / discharge pipe inlet (45d) and (45d) opened in the root storage chamber (5d) are opened on the pipe wall of the pipe part, and a short cylinder is formed in the large diameter pipe part (42d). An appropriate weight valve body (46d) formed in a substantially conical shape at both ends of the body is inserted so as to be able to move slightly in the axial direction and to slide down by its own weight.

  Further, the valve body (46d) has a plurality of (four in the figure) narrow leak grooves (47d) along the generatrix direction recessed in the outer peripheral surface thereof as shown in FIGS. Therefore, even when the valve body (46d) is pressed against the valve seat (43d) or (44d) by its own weight to close the valve, a slight amount of the valve passes through the leakage groove (47d). The opening is allowed.

  Even in the case of using the cultivation box (1d) of this example, as in the case of FIG. 2 (b), in normal cultivation, the culture solution is injected from the culture solution supply pipe (15d) of the combined use / discharge tube (41d). When injected into the upper inlet / outlet, the culture fluid is injected into the root storage chamber (5d) from the inlet / outlet (45d) and (45d) through the upper open valve. When the inside of the root storage chamber (5d) is filled with the culture solution, the culture solution injection is stopped. Meanwhile, the culture solution in the root storage chamber (5d) flows out little by little from the leakage groove (47d) of the valve body (46d) and is discharged to the discharge bowl (16d). Thereby, a flow is generated in the culture solution in the root storage chamber (5d). When the outflow of the culture solution from the leakage groove (47d) stops, the liquid injection from the culture solution supply pipe (15d) is resumed.

  Even if there is an unexpected outflow of the culture solution from the leakage groove (47d), the culture solution is retained in the liquid reservoir (30d) on the bottom surface of the root storage chamber (5d). There is no obstacle to supply.

  When the cultivation box (1d) is turned upside down by 180 degrees, the valve body (46d) descends by its own weight in the large-diameter pipe part (42d), adopts the same configuration as above, and injects the same culture solution・ Can be discharged.

  In the fourth and fifth inventions, in the injection pipe with valve (7c), the discharge pipe with valve (9c) and the injection / discharge pipe with valve (41d), the waste in the root storage chamber enters the valve. In order to prevent this, an appropriate filter is preferably applied to the outside of each tube.

1, 1a, 1b, 1c, 1d Cultivation box 5, 5a, 5b, 5c, 5d Root storage chamber 6, 6a, 6b, 6c, 6d Planting hole P, Pa, Pb, Pc, Pd Plant 7, 7a Culture solution Infusion tube 24b Culture fluid infusion / discharge tube 7c Infusion tube with culture fluid valve 41d Infusion / discharge tube with culture fluid valve 9, 9a Culture fluid discharge tube 9c Discharge tube with culture fluid valve 42d Large-diameter pipe portion 34c, 46d Valve Body 38c, 39c Composite valve body 47d Leakage groove

Claims (5)

Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers,
The lower end of the culture liquid injection path is opened as an injection path outlet at one side of the root storage chamber, the upper end of the culture liquid injection path is used as the injection path inlet, and protrudes from the upper surface of the box. Opened to the other side of the root storage chamber as a discharge path inlet, with the lower end of the culture medium discharge path as a discharge path outlet, and positioned at a lower position where the inlet of the culture liquid injection path should be positioned when the cultivation box is turned upside down Let
Improved cultivation box. Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers, and the rotation shafts projecting on both side surfaces of the box are supported on the bearings, respectively.
Each of the rotary shafts is a hollow rotary shaft, one hollow rotary shaft is used as a culture solution injection path, an inner end thereof is opened as an injection channel outlet at one side of the root storage chamber, and an outer end of the culture solution injection path And the other hollow rotating shaft as the culture medium discharge path, and the inner end thereof opens to the other side of the root storage chamber as the discharge path inlet and the culture medium discharge path outer end as the discharge path. Protruding as an exit,
Improved cultivation box. Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers, and the rotation shafts projecting on both side surfaces of the box are supported on the bearings, respectively.
One of the two rotary shafts is a hollow rotary shaft, the hollow rotary shaft is used as a culture solution injection / discharge dual-purpose passage, and an inner end thereof is opened as an injection passage outlet / discharge passage inlet in the root storage chamber. The outer end of the road protrudes as the inlet of the injection path, and the discharge path is rotatably branched from the injection / discharge combined path, and the outer end of the branch discharge path protrudes as the outlet of the discharge path.
Improved cultivation box. Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers,
On one side of the box,
A valve formed by inserting a valve body that opens the inlet channel at both ends and the inlet channel outlet at the middle, descends by its own weight inside the inlet channel, closes the lower inlet channel, and opens the upper inlet channel Through the vertical injection path, both the injection path inlets protrude above and below the box, respectively, and the injection path outlet is opened in the root storage chamber,
Also, on the other side of the box,
A valve formed by opening a discharge passage outlet at both ends and opening a discharge passage entrance in the middle, inserting a valve body that descends by its own weight inside the discharge passage, opens the lower discharge passage outlet, and closes the upper discharge passage outlet Through the vertical discharge path, and projecting both discharge path outlets on the upper and lower surfaces of the box, and opening the discharge path inlet into the root storage chamber,
When each valve body descends by its own weight during normal cultivation and upside down of the cultivation box, the bottom surface of the box closes the inlet of the wax injection path and the upper surface of the box closes the inlet of the wax injection path. And the open inlet passage and the root storage chamber are communicated with each other via the intermediate inlet passage outlet. Closed, the box bottom surface opens the drainage channel outlet, and is in a positional relationship that communicates the opened drainage channel outlet and the root storage chamber via the middle outlet channel.
Improved cultivation box. Provided with a root storage chamber in a box made of a heat insulating material, provided with a plurality of planting holes opened from the upper surface of the box into the root storage chamber, and the leaf stem portion of the plant planted in the planting hole is disposed on the upper surface of the box In the cultivation box in which the roots are respectively extended into the root storage chambers,
In the box above,
The inlet and outlet of the inlet and outlet of the injection path are opened at both ends, and the inlet and outlet of the inlet and outlet are opened in the middle. A part of the inlet / outlet passage with a valve, which is slidably inserted into the inlet / outlet of the upper injection passage and slidably inserted, is opened and closed in a vertical direction. As a result, both the inlet and outlet passages protrude from the upper and lower surfaces of the box, respectively, and the intermediate inlet and outlet passage is opened in the root storage chamber.
When the valve body is lowered by its own weight during normal cultivation of the cultivation box and when it is turned upside down, the lower surface of the box closes the inlet / outlet of the inlet and the outlet of the outlet through the leakage passage, and the upper surface of the box is closed. While opening the injection path inlet / discharge path outlet, the opened injection path inlet / discharge path outlet and the root storage chamber are in communication with each other via the intermediate injection path outlet / discharge path inlet.
Improved cultivation box.

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