JPH0965775A - Simple drainage for paddy field - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple drainage to be used for a paddy field water. SOLUTION: The objective simple drainage for water to be used in a paddy field 2 comprises a drain pipe 10 provided with a guide groove 16 in its inside wall for making a tapered sluice plate 15 slidable along the groove, a plurality of packing 14 inserted between a cap 11 screwed into the body 9 and a spindle 12 to prevent water leakage due to variations in water pressure, and a scale (with graduations) 17 fitted to the spindle 12 for adjusting the water level in the paddy field.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple drainer used for paddy field water.

[0002]

2. Description of the Related Art In the conventional practice, when adjusting the water level of paddy field water, a partition plate is attached to the water outlet of the drainage basin and a dam is built around it to store water. The water level is adjusted by removing the embankment and discharging it to the drainage channel, but there was a risk of water leakage from the drainage basin due to ground seepage, and the embankment flowing into the drainage pipe causing clogging.

[0003] Therefore, various drainage controllers in which a partition plate is provided at the tip of the water amount adjusting spindle are commercially available.
Water leaks around the drainage basin and clogging defects of sediment in the drainage pipe due to the conventional practice are almost eliminated.

[0004]

However, in the above-mentioned prior art drainage regulator, when the water pressure in the drainage pipe becomes high, pressure is applied to the partition plate and it is difficult to slide, and water is drained from between the spindle and the cap body. Defects such as easy occurrence of leakage were recognized.

Since there is no standard for the vertical slide width,
I couldn't control the water precisely.

[0006]

The present invention was developed to eliminate the above-mentioned deficiencies, and in constructing a drainage controller, the first is to provide a partition plate with a taper inside the drainage pipe 10. A guide groove 6 with a taper 15 for sliding freely is provided to eliminate the influence of fluctuations in water pressure. Secondly, a cap 11 and a spindle 12 screwed to the main body 9 are provided.
By inserting a plurality of packings 14 between them to prevent water leakage when the water pressure changes due to water increase during heavy rain or thunderstorm, and thirdly, by attaching a scale 17 for water volume adjustment to the spindle 12. , It facilitates drainage work.

[0007]

The operation will be described with reference to FIGS. 1 and 2.

First, when it is desired to store the irrigation water 5 in the paddy field 2, the handle 13 connected to the spindle 12 of the simple drainage device 6 of the present invention is adjusted to the scale of the scale 17 while the position of the tapered partition plate 15 is adjusted. Determine and drain pipe 10
Adjust the amount of water flowing inside.

Next, when draining the irrigation water 5 from the paddy field 2, while adjusting the handle 13 to the scale of the scale 17, the spindle 12 is lowered to a designated position, and the amount of water discharged is adjusted and drained.

At this time, the water suddenly increases due to heavy rain or thunderstorm,
When the water pressure fluctuates, the cap 1 is screwed with the main body 9
Since high-pressure water is blown out from between 1 and the spindle 12 to cause water leakage, a plurality of water blocking packings 14 are inserted.

When the water pressure fluctuates as described above, a high pressure is applied to the tapered partition plate 15 in the drain pipe 10, and it is difficult for the spindle 12 to move up and down smoothly. Therefore, the tapered guide groove 16 may be provided. It was designed to slide up and down.

Further, a scale 17 is attached to the spindle 12 so that the inflow and outflow amount of the water can be accurately grasped, and the water amount can be adjusted according to the scale.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment will be described with reference to the overall configuration diagrams of FIGS.

As shown in FIGS. 1 and 2, the drainage device 6 of the present invention is disposed between the ridge 4 and the drainage groove 3 of the paddy field 2.

At that time, the lifting handle 13 and the Sbindle 1
The main body 9 and the drainage pipe 10 are buried except for the support part 2
Connect to drain 3.

The present invention eliminates the trouble of replacing the partition plate by putting a hand in the water in the paddy field as in the conventional water management technique of the related art, and the water storage amount can be accurately adjusted, and maintenance is also possible. Inspection is also easy.

[0017]

[Effect] The simple drainage device of the present invention has the following advantages and is highly useful.

1. Water leaks due to fluctuations in water pressure caused by heavy rain and thunderstorms, and spindle sliding defects are eliminated.

2. The amount of inflow and outflow of water can be accurately adjusted according to the scale scale.

3. Since the drainer is installed outside the paddy field on the ridge side, it is less likely to be damaged by agricultural machinery.

4. Since the excavation of the ridge is shallow, there is no water leakage or bank collapse due to ground subsidence, and there is little fall of the drainage.

5. Unlike the conventional practice in which the partition plate is fixed by embankment, there is no outflow of cultivated soil and clogging due to accumulation in the drainage pipe is eliminated.

6. Even if dust or dirt enters, the cap part at the top is opened, so cleaning is easy.

[7] Since the drainage device of the present invention is made of a vinyl chloride plastic material, its weight is light,
Moreover, since the structure is simple, installation work is easy.

[Brief description of drawings]

FIG. 1 shows the configuration and layout of the present invention.

FIG. 2 shows a main part of the drainage device of the present invention.

[Explanation of symbols]

 1. Rice 2. Paddy field 3. Drain 4. Ridge 5. Water 6. Drainer 7. Inlet 8. Outlet 9. Main body 10. Drain pipe 11. Cap 12. Spindle 13. Lifting handle 14. Packing 15. Partition plate with taper 16. Guide groove with taper 17. Scale (scale)

Claims (1)

[Claims] 1. A water drainer for paddy fields, characterized in that a partition plate is provided at the tip of a water amount adjusting spindle, and a tapered guide groove 16 is provided in a drain pipe 10 so that a tapered partition plate 15 is provided. Sliding up and down slidably, inserting a plurality of packings 14 between the cap 11 screwed to the main body 9 and the spindle 12 to prevent water leakage due to water pressure change, and A simple drainer that is equipped with a scale 17 for adjustment.