JP2656905B2 - Gutter made of synthetic resin - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin gutter capable of reducing the size of an opening and securing a large flow rate.

[0002]

2. Description of the Related Art As a side groove, a U-shaped groove having a U-shaped cross section and a gutter shape has been widely known. The U-shaped groove has a large opening on the upper surface. As a material of the U-shaped groove, concrete or synthetic resin is known.

[0003] Of these, the U-shaped groove made of synthetic resin is light in weight and therefore easy to transport, but may be lifted or deformed by the earth pressure from the side when constructed. In order to solve this, there is also known a U-shaped groove provided with a floating prevention plate protruding in the width direction on a side surface thereof.

[Problems to be solved by the invention]

[0004] The U-shaped groove has a large opening on the upper surface and an opening having the same width as the flow path, so that dust and the like easily enter the U-shaped groove.
A flow rate larger than the width of the groove cannot be secured.

[0005] In addition, in the case of a U-shaped groove made of synthetic resin, a groove having a width larger than the width of the U-shaped groove, that is, a side surface of the U-shaped groove is laterally formed at the time of construction in order to prevent floating against earth pressure. It is necessary to dig a groove that is wide enough to cover the protruding prevention of floating. For this reason, there is a problem that the amount of work at the time of construction increases, and the construction cannot be performed unless a wide groove width for embedding is secured. For this reason, the inventor
Is located at the top end of the synthetic resin tubular body.
When forming an axial opening narrower than the diameter of the diameter part
In both cases, an upright wall was formed along the opening edge of this opening
A gutter made of synthetic resin was prototyped. Such synthetic resin gutter
According to the above, even if the opening is narrowed, a large flow rate can be secured.
Can also be prevented. However, adjacent
When connecting the side grooves to each other,
It was found that the provided standing walls interfere with each other.

Accordingly, the present invention has been made to solve the above-mentioned problem, and an object of the present invention is to reduce the flow rate even when the opening is narrowed.
Synthetic tree that can secure large
At the opening edge of the opening formed in the axial direction of the tubular body made of fat
A side groove having an upright wall standing along the
An upright wall formed on each tubular body of the side grooves to connect the side grooves
Is to provide a synthetic resin side groove which can be performed without interfering with each other .

[0007]

The present invention has the following arrangement to achieve the above object. That is, the opening portion, which is opened at the upper end surface portion of the tubular body made of synthetic resin, is narrower than the diameter of the largest diameter portion of the tubular body, extends from one end to the other end of the tubular body.
A synthetic resin side groove formed in the axial direction over
A receiving portion for connecting adjacent side grooves,
An outer fitting portion externally fitted to the outside of the receiving portion;
Formed at both ends of the body, and between the receiving part and the tubular body
Along the opening edge of the opening from the end face of the outer fitting portion to
An upright wall is formed . Also standing up
The fitting lid is formed with a fitting part that fits with the upper edge of the wall.
Thus, while covering the upper part of the opening of the tubular body,
Partially forms an inlet that is covered with grating, etc.
By adjusting the amount of rainwater from the opening, sand etc.
Can also be prevented. In addition, receiving part and external fitting
The adjacent side grooves are formed by forming the
Can be connected at an angle to the axis of the side groove.

[0008] A trough-shaped groove may be formed on the bottom surface of the tubular body.

[0009]

Next, the operation will be described. The synthetic resin side groove according to the present invention forms a narrow opening in the synthetic resin tubular body and forms an upright wall in the axial direction at the opening edge of the opening, so that dust or the like from the opening can be prevented. small intrusion
And a large flow rate can be secured. In addition, the tubular body
Earth and sand can be placed on the upper outer surface (shoulder), and the side of the gutter
Floating due to earth pressure from one side can be prevented. Only
Also, the connection between the adjacent gutters is the end of the tubular body of one gutter
On the outside of the receiving part provided at the end of the tubular body of the other gutter
This can be done by externally fitting the external fittings provided.
At this time, the flange provided on each tubular body of the connecting gutter is provided.
The mutual interference of the standing walls can be eliminated.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

1 to 3 show a front view, a side view and a plan view of a synthetic resin side groove according to the present invention. An opening 13 is formed on the upper surface of a tubular body 12 having a circular cross section that constitutes the synthetic resin side groove 10 according to the present invention. This opening 1
3 and the diameter M of the tubular body 12 are formed such that L <M. The opening 13 of the tubular body 12
The upper surface portion on the side is defined as shoulders 12a, 12a.

Each edge 13a, 1 of the opening 13 of the tubular body 12
Upstanding walls 14, 14 that stand outward are formed in 3 a. The upper surfaces of the standing walls 14 and 14 are open,
The fitting lid 18 is put on. As shown in FIG. 4, fitting portions 18a, 18a are formed on side edges of the fitting lid 18, and the upright wall 1 is formed.
4, 14 can be fitted to the upper edges 14a, 14a. The center of the fitting cover 18 is a cover plate 19 that is depressed below the fitting portions 18a. Also, the cover plate 19
Has an inlet 19 for partially covering with grating or the like.
are formed.

A receiving portion 20 which is a part of a spherical surface and has a predetermined width is formed at one end of the side groove 10. On the other hand, an external fitting portion 22 is formed at the other end of the side groove 10 so as to cover the outside of the receiving portion 20 on one end side. Both the receiving portion 20 and the external fitting portion 22 form a part of a spherical surface, and the connecting side grooves 10, 10 can be connected at an angle to the axis. In addition, the outer fitting portion 2
Packing groove 22a protruding in the outer radial direction on the inner peripheral surface of
Is formed, and a packing 24 such as an O-ring is accommodated therein.

FIG. 5 schematically shows a state in which the side grooves 10a and 10b are connected. This figure shows the side grooves 10a, 1
Only the lower part of 0b is shown.

The opening 13 is formed in the receiving portion 20 and the outer fitting portion 22. On the other hand, the standing walls 14, 14
Extends to the opening of the outer fitting portion 22, but is not formed in the receiving portion 20. Therefore, the receiving portion 20 and the external fitting portion 2
2, the upright walls 14, 14 of the adjacent side grooves 10a, 10b do not interfere with each other.

In the above embodiment, the fitting cover 18 is connected to the upright wall 1.
Although they are fitted to the upper edges 14a of the upper and lower walls 4 and 14, they may be formed integrally with the upright walls 14 and 14 in advance. The tubular body 12 is not limited to a straight pipe, and may be a corrugated tubular body having a spiral or individual waves formed on the peripheral surface.

In order to use the side groove 10 constructed as described above, as shown in FIG.
.. Are arranged in the groove 30, and the receiving portion 20 and the outer fitting portion 22 of the adjacent side groove 10 are fitted and positioned at a predetermined angle with respect to the axis. Then, the groove 30 is backfilled with earth and sand.

When backfilling the soil in the groove 30, the soil is
It reaches the level G of the fitting portion 18a of the fitting lid 18. In this way, rainwater or the like can easily flow onto the cover plate 19. Also, the side groove 10
Since the earth and sand are present on the shoulders 12a, 12a, it is possible to prevent the side grooves 10 from floating due to the earth pressure. The upright wall 1 standing from the opening 13 of the tubular body 12
4 and 14 are formed, the upright walls 14 and 14
Of the upper surface of the tubular body 12 (shoulders 12a, 12a).
a) A lot of earth and sand can be put on the top.

The side grooves 10 have a narrow opening 13 and a large diameter of the tubular body 12, so that intrusion of dust and the like from the opening 13 can be prevented. Can be secured. That is, a large flow rate can be secured as compared with the width of the opening 13.

FIG. 7 shows a modification. Gutter 1 of this embodiment
Numeral 0 denotes a gutter-shaped groove 11 formed on the bottom surface of the side groove 10 of the above embodiment. In this case, as compared with the case where the bottom is simply formed in an arc shape, water and the like collect in the groove 11, and even small amount of water can be secured as flowing water without stagnation.

In the above embodiment, a tubular body having a circular cross section is used as the tubular body 12, but it is sufficient that shoulders 12a, 12a are formed on the tubular body 12 continuing from the upright walls 14, 14.
It may be an inverted triangle (see FIG. 8), a rectangle (see FIG. 9), or a polygon.

FIG. 10 shows an embodiment in which holes 14a are formed at predetermined positions of the upright wall 14 of the side groove 10. As shown in FIG. The upright wall 14 is buried in the soil, and rainwater or the like in the soil can be introduced into the gutter 10.

In the above embodiment, a spiral wave or an independent wave may be applied to the inner and outer peripheral surfaces of the tubular body 12 as described above. However, in this case, the strength of the side groove 10 can be secured. . Further, since the tubular body 12 itself can be reinforced by forming the groove 11 on the bottom surface of the side groove 10, a straight pipe may be used.

As described above, various preferred embodiments of the present invention have been described. However, the present invention is not limited to the above-described embodiments, and many modifications can be made without departing from the spirit of the invention. Of course.

[0025]

The synthetic resin side groove according to the present invention has a narrow opening formed in a synthetic resin tubular body, and an upright wall in the axial direction is formed at each opening edge of the opening. While it is possible to reduce intrusion of dust and the like from the openings, it is possible to secure a large flow rate.

In addition, for connecting adjacent side grooves,
The receiving portion and the external fitting portion that is fitted outside the receiving portion are tubular.
Formed at both ends of the body and at the boundary between the receiving part and the tubular body
Upright wall along the opening edge of the opening over the end face of the external fitting
Is formed, the connection between adjacent side grooves is
Outside the receiving part provided at the end of the tubular body of the gutter,
To externally fit the external fitting part provided at the end of the tubular body of the side groove
Therefore, it can be performed. At that time, connect each gutter
Eliminate the mutual interference of the standing walls provided on the tubular body
it can. Here, the fitting portion that fits with the upper edge of the upright wall is
And covered with grating etc.
A tubular body is formed by a fitting lid in which an inflow port is partially formed.
When covering the openings above, regulation of the amount of rain water or the like from the opening, may also be achieved prevention of invasion of sand or the like.

By forming a gutter-shaped groove on the inner bottom surface of the tubular body, water and the like are collected in the groove and a smaller amount of water can be flowed as compared with the case where the bottom surface is simply formed in an arc shape.

Further, since the opening is narrow, earth and sand can be placed on the upper outer surface (shoulder) of the tubular body, and the floating can be prevented by the earth pressure from the side of the gutter. Play.

[Brief description of the drawings]

FIG. 1 is a front view of a synthetic resin side groove according to the present invention.

FIG. 2 is a side view of a synthetic resin gutter according to the present invention.

FIG. 3 is a plan view of a synthetic resin side groove according to the present invention.

FIG. 4 is a partial perspective view of a fitting lid.

FIG. 5 is an explanatory view partially showing a fitting state between a receiving portion of the side groove and a fitting portion.

FIG. 6 is an explanatory view showing a state in which a gutter is buried in soil.

FIG. 7 is an explanatory view showing a shape of a side groove according to another embodiment.

FIG. 8 is a schematic side view showing a shape of a side groove.

FIG. 9 is a schematic side view showing a shape of a side groove.

FIG. 10 is a front view showing a modification of the side groove.

[Description of Signs] 10 Side groove 12 Tubular body 12a Shoulder 14 Standing wall 18 Fitting lid

Claims (5)

(57) [Claims] 1. A is opened to the upper end face portion of the synthetic resin tubular body was, narrower opening than the diameter of the maximum diameter portion position of the tubular body
Are axially formed from one end to the other end of the tubular body.
A gutter made of synthetic resins which are made, a receiving portion for connecting the adjacent groove between the receiving
Outer fitting portions that are fitted to the outside of the portion, and both end portions of the tubular body
And extends from the boundary between the receiving portion and the tubular body to the end face of the external fitting portion.
An upright wall is formed along the opening edge of the opening.
Synthetic resin gutter, characterized in that that. 2. A fitting portion for fitting to an upper edge of an upright wall.
The upper part of the opening of the tubular body is covered with the formed fitting lid.
And an inlet formed by covering the fitting lid with grating or the like.
The synthetic resin side groove according to claim 1, which is formed separately . 3. The receiving part and the external fitting part are formed in a spherical shape.
The synthetic resin side groove according to claim 1 or 2. 4. The synthetic resin side groove according to claim 1 , wherein a gutter-like groove is formed on a bottom surface of the tubular body. 5. The tubular body is a circular tube claims 1-4 noise
The synthetic resin side groove according to any one of the preceding claims.