JPH0343977Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Summary] The water inlet sides of multiple drip tubes made of flexible material and having very small inner diameters compared to irrigation pipes are inserted into the irrigation pipe at appropriate intervals. ,
An irrigation device in which the tips of a plurality of drip tubes on the drip port side are fixed at appropriate intervals to a thread-like body stretched above the cultivation bed, and the cultivation bed is irrigated from each of the drip ports. , the above-mentioned filamentous body is stretched and fixed at both ends to a fixture connected to a member immovable with respect to the cultivation bed, and the fixture connects the member to the joint point by means of a fixing means. It is rotatably and fixably supported at the center, and by simultaneously rotating the fixtures at both ends of the filament, the filament can be removed from the top surface of the cultivation bed along with the drip tube, so that it does not interfere with the operation of the cultivation bed. Moreover, after the work is completed, it can be easily returned to the state for irrigation.

[Industrial application field]

The present invention relates to an irrigation system, and more specifically, to an irrigation system used for cultivating crops in greenhouse horticulture and the like.

[Conventional technology]

In the field of agriculture and horticulture, hydroponic cultivation used to mostly use the nutrient circulation method, but recently, the continuous flow method has been increasingly used, as seen in sand cultivation, rock wool cultivation, etc. What is important in this continuous flow system is to apply a uniform amount of water without variation to each of the many irrigation points arranged in the longitudinal direction of a long cultivation bed.

Examples of this type of irrigation equipment include
The one shown in Publication No. 32754 is known. As shown in FIG. 3, for example, in this conventional irrigation system, an irrigation pipe 1 with a diameter of about 20 mm is laid along the longitudinal direction of the cultivation bed 4. Flexible drip tube 2, which is much thinner than 1, e.g. about 1 mm.
A large number of drip tubes are installed at appropriate intervals by inserting one end of the drip tube 2 on the water supply port side, and the other end of the drip tube 2 on the drip port side is placed above the irrigation pipe 1 to irrigate the cultivation bed 4. It is something to do.
In this irrigation device, a filamentous body 3 is disposed above the cultivation bed 4 in the longitudinal direction, and the end of the drip tube 2 on the drip port side is attached to the filamentous body 3.
The filament 3 is stretched and its both ends are fixed to a stake (for example, a stake 7 driven into the ground).

The above device maintains the filaments horizontally even if the surface of the cultivation bed is uneven or tilted in the longitudinal direction, allowing for even dripping, and is said to have a very good response to irrigation commands. It has its advantages.

[Problem that the invention attempts to solve]

However, the conventional device described above has a problem in that the filaments are stretched over the cultivation bed, which obstructs the operation of the cultivation bed.To remove the filaments, both ends of the filaments must be The filament must be released from the fixing device (peg 7 above), and in order to return to its original state, both ends of the filament should be removed from the fixing device (peg 7 above) again.
There is also the problem that handling is troublesome as it has to be combined with

The present invention solves the above-mentioned problems of the conventional device, facilitates the movement of the filament on the cultivation bed and the drip tube fixed to this filament, and returns it to its original state during preparation for work and after completion of work. The purpose is to make handling when returning it simple and easy.

[Means for solving problems]

According to the present invention, the above problem can be solved by inserting the water inlet side of a large number of drip tubes made of flexible material and having very small inner diameters into the irrigation pipe at appropriate intervals compared to irrigation pipes. , an irrigation device in which the tips of a large number of drip tubes on the drip port side are fixed at appropriate intervals to a single filament stretched above the cultivation bed, and the cultivation bed is irrigated from each of the drip ports, A member provided immovably relative to the cultivation bed at both ends of the cultivation bed in the longitudinal direction, and a fixing means provided at a joint point with the member, so that the cultivation bed can be rotated around the fixing means and by the fixing means. and a fixing device for the filament that can be fixed to the member, each end of the filament is fixed to the fixing device in a taut state, and the filament is placed on the top surface of the cultivation bed. It will be resolved.

[Effect]

Insert the water inlet side of a number of drip tubes made of flexible material and having very small inner diameters compared to irrigation pipes into the irrigation pipe at appropriate intervals, and insert the tips of the drip tubes on the drip port side. are fixed at appropriate intervals to a single filament stretched above the cultivation bed, and in an irrigation device that irrigate the cultivation bed from each of the drip ports, the filament is stretched and both ends are attached to immovable members. The filament is fixed to the attached fixture, the fixture is rotated about the point of connection with the immovable member, the filament is removed from the cultivation bed so as not to disturb it, and the filament is placed in the irrigation position,
To be easily removed when working on the cultivation bed so that it does not interfere with the work.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a first embodiment of the present invention. In the figure, 1 is an irrigation pipe, 2 is a drip tube, 3 and 3' are filaments, 4 is a cultivation bed, 5 is a pedestal on which the cultivation bed 4 is placed, 6 and 6' are filaments 3,
3' is a fixture, 7, 7' are stakes, 8, 8' are fixtures 6,
This is the junction point between 6' and the piles 7, 7'.

As shown in the diagram, irrigation pipe 1 with a diameter of approximately 20 mm
The irrigation pipe 1, which is laid along the longitudinal direction under the cultivation bed 4 placed on the pedestal 5, has flexible pipes that are very thin compared to the irrigation pipe 1, for example, with an inner diameter of about 1 mm, placed at appropriate intervals in the longitudinal direction. A large number of drip tubes 2 made of material are attached by inserting one end of the drip tube 2 on the water supply port side, and the other end 2b of the drip tube 2 on the drip port side is attached to the threads 3, 3' using adhesive tape or threads. When 3 and 3' are twisted threads, the end 2b of the drip tube on the drip opening side is sandwiched and fixed between the twisted threads.

Both ends of filament 3, 3' (only one end is shown in the figure)
are fixed to fixtures 6, 6', respectively, and the fixtures 6, 6' are fixed members that are immovable relative to the cultivation bed 4,
In this embodiment, it is connected to the stakes 7, 7' driven into the ground at the joint points 8, 8' with the stakes 7, 7' by fixing means such as screws. The figure shows filamentous bodies 3, 3'
It shows a state in which it is placed at a position on the top surface of the cultivation bed 4 where irrigation is performed. The fixtures 6, 6' are made of, for example, strong rod-like bodies, and the thread-like bodies 3, 3' can be fixed to one end thereof, and the other end can be connected to an immovable member such as a stake 7.

Now, if the fixing tool 6 and the fixing tool at the other end (not shown) of the thread-shaped body 3 are loosened by screws or other fixing means and rotated clockwise around the joint point 8, the thread-like material stretched between the fixing tools will be removed. Intravenous tube 2 on body 3
It can be moved from the top of the cultivation bed 4, for example, to the side.

When the work on the cultivation bed 4 is completed, move the fixing device 6 and the not-shown fixing device at the other end of the filament 3 fixed to the fixing device 6 counterclockwise around the joining point with the stake 7. By rotating, the filament 3 can be returned to the position shown in FIG. 1 together with the drip tube 2. In this state, tighten the fixing means such as screws at the joint to fix it.

The same applies to the filamentous body 3'.

FIG. 2 is a perspective view of a second embodiment of the present invention. Numbers in the figures indicate those corresponding to FIG. 1.

In the second embodiment shown in FIG.
The frame 9 of the pedestal 5 on which the cultivation bed 4 is placed and fixed is used as a member immovably provided to the pedestal. 9 are connected as junction points 8, 8'. The fixing means for connecting the two is the same as in the embodiment shown in FIG.

The above description has been made regarding the filamentous body 3, but the same applies to the filamentous body 3'.

The structure, handling, operation, etc. of the second embodiment other than those described above are the same as those of the first embodiment shown in FIG.

[Effect of idea]

Since the present invention is constructed as described above, the water inlet sides of multiple drip tubes made of flexible material and having much smaller inner diameters than irrigation pipes are inserted into the irrigation pipe at appropriate intervals. In an irrigation device, the tips of a large number of drip tubes on the drip port side are fixed at appropriate intervals to a single filament stretched above the cultivation bed, and the cultivation bed is irrigated from each of the drip ports. By rotating a fixing device that stretches the filament and fixes both ends of the filament, the filament that obstructs the operation of the cultivation bed can be easily removed from the surface of the cultivation bed together with the drip tube, and the filament can be returned to the surface of the cultivation bed. This has the effect of making it easier to prepare the cultivation bed for work and return to the state for watering after the work is completed.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the first embodiment of the present invention;
The figure is a perspective view of a second embodiment of the present invention, and FIG. 3 is a perspective view of a conventional irrigation system. 1...Irrigation pipe, 2...Drip tube, 3,
3′... filamentous body, 4... cultivation bed, 5... mount,
6, 6'... Fixture, 7, 7'... Pile, 8, 8'...
…Joint point, 9…Frame.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) Inserting the water supply port sides of multiple drip tubes made of flexible material and having very small inner diameters compared to irrigation pipes into the irrigation pipe at appropriate intervals; Cultivation is carried out in an irrigation system in which the tips of a large number of drip tubes on the drip port side are fixed at appropriate intervals to one filament stretched above the cultivation bed, and the cultivation bed is irrigated from each of the drip ports. A member provided immovably relative to the cultivation bed at both ends of the longitudinal direction of the bed, and a fixing means provided at a joint point with the member, allows rotation about the fixing means, and the above-mentioned a fixing device for the thread-like body that can be fixed to the member, each end of the thread-like body is fixed to the fixing device in a taut state, and the thread-like body is dripped onto the thread-like body at appropriate intervals. This irrigation device is characterized by being arranged on the top surface of a cultivation bed together with a number of drip tubes with mouth-side tips fixed, and removed from the cultivation bed as necessary during work on the cultivation bed, and returned to the irrigation position at the end of work. (2) Claim 1 of the Utility Model Registration Claim characterized in that the members immovably provided to the cultivation bed are stakes driven into the soil at both ends of the cultivation bed in the longitudinal direction. irrigation equipment. (3) The above-mentioned member immovably provided to the cultivation bed is a part of the pedestal on which the cultivation bed is placed and fixed, at both ends of the cultivation bed in the longitudinal direction. 1
Irrigation equipment as described in section.