JP2021042549A - Gutter block - Google Patents

Abstract

To provide a gutter block that can be easily carried directly by hand, or by using a trolley or the like even in a narrow place.SOLUTION: A gutter made entirely of steel and composed of blocks with a big U-shaped vertical cross section comprises a bottom wall and side walls on both sides of the bottom wall, a ditch cover are hung on both side walls to attach, a side wall part is composed of an upper wall part, a lower wall part, and a connecting part that connects the inner ends of both the upper wall part and the lower wall part, and in each block, the upper wall part and the lower wall part of the vertically adjacent blocks are detachably connected by a bolt 11 and a nut 12 which are the first fasteners.SELECTED DRAWING: Figure 1

Description

The present invention relates to a gutter block suitable for installation in a narrow place where heavy machinery is difficult to enter, such as a narrow road.

Most of the side grooves are made of concrete, but some are made of steel, and heavy factory-produced ones are usually transported to the construction site by truck, but trucks are used in narrow places where trucks are difficult to enter. The actual situation is that they are transported to the construction site directly from the stopped place by hand or by transshipping them to a trolley or the like.

Since the gutters are required to have a size and structure suitable for the installation location, it is necessary to prepare a wide variety of gutters in advance according to the customer's request. Moreover, when it is installed in a narrow place, it is required to reduce the weight so that it can be easily carried.
An object of the present invention is to provide a gutter block that can be easily carried by hand or by using a trolley or the like even in a narrow place.

The invention according to claim 1 comprises a bottom wall portion and side wall portions on both sides of the bottom wall portion, and is a side groove having a substantially U-shaped cross section to which a groove lid is hung on both side wall portions, and the side wall portion is a bottom wall. The feature is that it can be removed from the part and can be assembled integrally at the construction site.

The invention according to claim 2 is the invention according to claim 1, wherein the whole is made of steel, and the side wall portion connects the upper wall portion and the lower wall portion with the upper and lower wall portions, preferably one end of both wall portions or. It is composed of a plurality of blocks having a U-shaped vertical cross section consisting of connecting portions connecting the other ends, and the upper and lower wall portions of the vertically adjacent blocks can be removed by the first fastener. It is characterized by being connected.

The invention according to claim 3 is characterized in that, in the invention according to claim 2, the lower end portion of the side wall portion divided into a plurality of portions is integrally formed with the bottom wall portion.
The invention according to claim 4 is characterized in that it comprises a bottom wall portion and side wall portions on both sides of the bottom wall portion, and the bottom wall portion is divided into a plurality of parts and can be integrally assembled at a construction site.

The invention according to claim 5 is the invention according to claim 4, wherein the whole is made of steel, the bottom wall portion is composed of a plurality of blocks, each block has a downward flange, and the flanges of the blocks adjacent to the left and right are adjacent to each other. Is removably connected by a second fastener.

According to the invention of claim 1, among the members constituting the side groove, both the bottom wall portion and the side wall portion are not integrally formed but are divided, and in the invention of claim 4, the bottom wall portion is formed. By being divided into multiple parts, it can be folded and stored compactly, and even in a narrow space where light trucks are difficult to enter and exit, it can be transported to the construction site using a trolley such as a wheelbarrow or directly by hand. It can be easily assembled and installed.

In the invention of claim 2, after stacking two or more steel blocks, the vertically adjacent blocks are connected to each other by using the first fastener, and in the invention of claim 5, the blocks are connected to each other. , A plurality of steel blocks are arranged side by side, and then the flanges of the adjacent blocks on the left and right are connected to each other by using a second fastener to integrate the blocks. The weight is reduced and the strength is ensured so that it does not easily collapse or deform.

The block in the invention according to claim 2 may also be assembled so that the connecting portion connects, for example, the outer end of the wall portion and the opening faces inward, but the connecting portion is preferably the wall portion. The inner ends are connected and assembled so that the opening faces outward and the inner side surface is flat. By assembling so that the opening faces outward, the first fastener does not come into contact with rainwater or the like in the gutter, rusting is less likely to occur, and stagnation of rainwater or the like is less likely to occur, and the gutter is less likely to occur. The flow of rainwater inside will be smooth.

In the invention according to claim 5, if the downward flange is inserted into the bottom of the gutter and fixed by inserting it, the flange functions as an anchor to stabilize the mounting state, and the flange is from the bottom wall. The downward protrusion does not impair the flow of rainwater in the gutter.

According to the third aspect of the present invention, at the time of construction, after installing the lower end portion of the side wall portion and the bottom wall portion integrally with the lower end portion in the side groove, the blocks constituting the other side wall portions are on the lower end portion of the side wall portion. However, by positioning and mounting the lower end of the side wall in the side groove integrally with the bottom wall, it is possible to easily and reliably assemble by positioning the other side wall members. Can be done.

Vertical cross-sectional view of the gutter block. Enlarged sectional view of part A in FIG. Side view of gutter block Same plan view Same bottom view A longitudinal sectional view of another aspect of a gutter block. Exploded view of the side groove block shown in FIG. FIG. 3 is a vertical cross-sectional view of still another aspect of the gutter block. Exploded view of the side groove block shown in FIG. Longitudinal section of another aspect of the gutter block. Exploded view of FIG.

Hereinafter, the side groove block of the embodiment according to the present invention will be described with reference to the drawings.
FIG. 1 shows a vertical cross section of the side groove block 1, FIG. 2 shows an enlarged cross section of part A in FIG. 1, FIG. 3 shows the same side surface, FIG. 4 shows a flat surface, and FIG. 5 shows a bottom plate. It is composed of a side wall portion 2, a grating 4 as a groove lid which is attached to a receiving frame 3 on the side wall portion and is preferably integrally assembled, and a bottom plate 5 which connects the lower ends of the left and right side wall portions 2. , These will be described in detail in order.

The side wall portion 2 has a U-shaped cross section including an upper wall portion 6a, a lower wall portion 6b, and a vertical wall portion 6c as a connecting portion that connects the two at one end (inner end), and the opening faces outward in the lateral direction. The blocks 6 are stacked in two upper and lower stages, and the upper and lower wall portions 6a and 6b of both blocks 6 are connected by bolts 7 and nuts 8 constituting the first fastener. As shown in detail in FIG. 2, a receiving frame formed by integrally forming a U-shaped portion 3a and a rising portion 3b protruding upward from the outer end of the portion 3a, preferably connected by welding, on the block 6 of the above. 3 is attached, and the lower wall portion of the U-shaped portion 3a of the receiving frame 3 and the upper wall portion 6a of the upper block 6 are similarly connected by bolts 11 and nuts 12.

As shown in FIG. 4, the gratings 4 are arranged side by side at regular intervals, and the bearing bar 4b having both ends connected by end plates 4a and the twist bar arranged and fixed at regular intervals orthogonal to the bearing bar 4b. It is made of 4c, and mounting plates 4d are attached and fixed to the back surfaces of the four corners. Then, the mounting plate 4d and the U-shaped portion 3a of the receiving frame 3 are connected by a bolt 15 through which the U-shaped portion 3a is passed through the packing 14 from the lower side and a bag nut 16 screwed into the upward projecting portion of the bolt 15. (See Fig. 2).

In the above embodiment, the grating 4 is used as the groove lid, but a groove lid other than the grating, for example, a groove lid made of concrete can also be used.
In the side groove block 1 shown in FIG. 3, reference numeral 18 denotes a rib for reinforcing the block that connects the upper and lower wall portions 6a and 6b of the block 6.

The bottom plate 5 shown in FIG. 5 constitutes the bottom wall of the side groove block 1. Bolts 19 are projected at four locations in the front, rear, left and right, and the bolts 19 are inserted into the lower wall portion 6b of the lower block 6. The nut 21 is screwed into the protruding end and tightened (FIG. 3).

According to the side groove block 1 of the present embodiment, the side wall portion 2 formed by stacking the blocks 6 vertically and connecting the bolts 7 and 11 with the nuts 8 and 12 has a large rigidity as a whole. Because it has greater rigidity and can withstand earth pressure sufficiently, the block 6 has a U-shaped cross section, and the weight is reduced and the weight is reduced, so that it can be carried by human power without any trouble. In the illustrated embodiment, the blocks 6 are stacked in two stages, but the height can be changed to a multiple of the thickness of the block 6 by stacking in three or more stages, and the size of the side groove block can be easily changed. The depth of the side groove block 1 can be arbitrarily changed by changing the size or shape of the intervening block, the shape of the side wall portion can be changed, the inner surface of the side wall portion 2 is flat, and the flow of rainwater flows. It has the effects that it can be performed smoothly without being hindered, and that earth and sand enter the cavity of the block 6 from the outside to increase the weight and improve the stability.

6 and 7 show the gutter block 31 of another embodiment, in which the side wall portion 32 is composed of the upper portion 33 and the lower portion 34, and the upper portion 33 includes the upper wall portion 33a and the lower wall portion 33b. The block is formed of a vertical wall portion 33c as a connecting portion that connects the two at the inner end, and an upwardly refracting rising portion 33d is integrally formed at the outer end of the upper wall portion 33a of the block. On the other hand, a protrusion 33e for positioning that bends downward is integrally formed at the outer end of the lower wall portion 33b, the rising portion 33d and the upper wall portion 33a form a receiving frame for the grating 4, and the protrusion 33e is a block. The upper portion 33 is mounted on the lower portion 34 so as to perform a positioning function.

The lower portion 34 rises from both ends of the bottom wall 35 to form a pot-shaped concave cross section together with the bottom wall portion 35, and the flange portion 34a protruding outward from the upper end of the lower stage portion and the protrusion 33e are applied to the flange portion ends. The lower wall portion 33b of the upper stage portion 33, which is positioned and overlapped on the flange portion 34a by bending, is connected by a bolt 36 and a nut 37. The lower portion 34 is preferably integrally formed by refracting both side portions of the bottom wall 35, but may be integrally attached by welding.

8 and 9 show the side groove block 41 of still another embodiment, and the difference from the side groove block 31 of the embodiment shown in FIGS. 6 and 7 is that the upper wall portion 43a of the upper portion 43 is described. The rising portion 33d that is formed in the upper portion 33 is not formed, a receiving frame 44 made of an angle material is separately provided on the upper portion, and the side wall portion 42 is the receiving frame 44, the lower portion 45, and the upper portion 43-3. The point is that it consists of parts.

The upper portion 43 has the same structure as the upper portion 33 except that it does not have the rising portion 33d provided in the upper portion 33, and has the same structure as the lower portion 34 of the side groove block 31 of the embodiment. The lower wall portion 43b of the upper stage portion 43 and the flange portion 45a, which are mounted on the flange portion 45a of the portion 45, are connected by bolts 36 and nuts 37 used in the side groove block 31 of the embodiment. There is.

In the side groove blocks 1, 31 and 41 of each of the above-described embodiments, the bottom walls 5 and 35 are formed by one steel plate itself or by refracting both side portions of the steel plate, but the bottom wall also has side wall portions. Similar to 2, 32, and 42, it is also possible to divide the parts into a plurality of pieces and connect them using a fastener to assemble them.

FIG. 10 shows an example in which the bottom wall is divided into two, and FIG. 11 shows an example in which the bottom wall is divided into three. The bottom wall in the example shown in FIG. 10 is composed of left and right blocks 51a and 51b having an inverted L-shaped cross section. The blocks 51a and 51b have downward flange portions 51c facing each other at the abutting ends, and the bolts 52 and nuts 53 constituting the second fastener in a state where the flange portions 51c of the left and right blocks 51a and 51b are butted against each other They are connected to form a concave pot shape. The left and right blocks 51a and 51b have rising portions on both sides, and the rising portions are preferably formed integrally by refraction with the blocks 51a or 51b, but they may be integrally attached by welding. Good.

At the time of construction of the side groove block, concrete is placed or mortar is laid on the groove bottom of the side groove formed by excavating the ground, but the left and right blocks 51a, before and after the concrete placement or mortar laying, A block for the bottom wall is assembled to the flange portion 51c of 51b using the second fastener. When attaching the assembled bottom wall block to the gutter, the flange portion 51c is inserted into the unhardened concrete or mortar laid in the gutter for attachment. The flange portion 51, which is inserted and attached to concrete or mortar, is fixed after the concrete or mortar is hardened, and functions as an anchor. After that, the blocks of the upper portions 33 and 43 constituting the side wall portion are connected on the bottom wall portions 51a and 51b by using the bolt 36 and the nut 37 which are the second fasteners in the same manner as in the above embodiment.

FIG. 11 is composed of blocks 56a and 56b whose bottom walls have L-shaped cross sections on the left and right, and intermediate blocks 65c, and the flange portions 51d of the blocks 56a and 56c and the flange portions 56d of the blocks 56b and 56c are second to each other. The bolts 52 and nuts 53 that make up the fasteners are connected to form a concave pot shape as a whole. In this embodiment as well, the construction is carried out in the same manner as in the embodiment shown in FIG. It is said.

In the side groove block of the embodiment shown in FIGS. 10 and 11, the left and right blocks 51a, 51b and 56a, 56b constituting the bottom wall have a rising portion forming a part of the side wall, but another embodiment. In the embodiment, the bottom walls 5 and 35 of the side groove blocks 1, 31 and 41 shown in FIGS. 1, 6 and 8 are divided into a plurality of parts, and the flange portions 51c or 56d are projected from each of them to provide a second fastening. The tools are connected in the same manner as in the embodiment shown in FIG. 10 or 11.

The side groove block 1 of the embodiment is provided with reinforcing ribs 18 for connecting the upper and lower wall portions 6a and 6b to reinforce the block 6, but the side groove blocks 31 and 41 of each of the above embodiments, and further FIG. Also in the side groove block shown in FIG. 11, reinforcing ribs 18 are provided in the upper portions 33 and 43 and the lower portions 34 and 45 for the same purpose.

In each of the above embodiments, the vertical wall portions (connecting portions) 6c and 33c constituting the side wall portions 2 and 32 connect one end or the other end of the side wall portions, but the vertical wall portions (connecting portions) 6c and 33c are connected. The intermediate portions of the side wall portions 2 and 32 may be connected so that the cross section has, for example, an H shape.

In each of the above embodiments, the blocks 6 forming the side wall are assembled so that the openings face outward, but the blocks 6 may be assembled so that the openings face inward.
In each of the above embodiments, it is desirable that the blocks 6 stacked vertically or horizontally have a watertight structure with a sealing material interposed between the blocks.

1, 31, 41 ... Side groove blocks 2, 32, 42 ... Side wall 3, 44 ... Receiving frame 4 ... Grating 5, 35 ... Bottom wall 6, 51a, 51b, 56a, 56b, 56c ... Block 14・ ・ Packing 33, 43 ・ ・ Upper part 34, 45 ・ ・ Lower part

Claims (5)

It consists of a bottom wall part and side wall parts on both sides of the bottom wall part. A gutter block characterized by being able to be assembled integrally with. The entire block is made of steel, and the side wall is composed of a plurality of blocks having a U-shaped vertical cross section consisting of an upper wall part and a lower wall part and a connecting part connecting both upper and lower wall parts, and blocks adjacent to the top and bottom. The side groove block according to claim 1, wherein the upper wall portion and the lower wall portion thereof are removably connected by a first fastener. The lower end portion of the side wall portion divided into a plurality of portions is characterized in that it is integrally formed with the bottom wall portion.
The invention according to claim 4 comprises a bottom wall portion and side wall portions on both sides of the bottom wall portion, and the bottom wall portion is divided into a plurality of parts and can be integrally assembled at a construction site. Or the side groove block according to 2. A side groove block consisting of a bottom wall portion and side wall portions on both sides of the bottom wall portion, and the bottom wall portion is divided into a plurality of parts and can be integrally assembled at a construction site.
Ditch block. The whole is made of steel, the bottom wall is composed of multiple blocks, each block has a downward flange, and the flanges of the adjacent blocks on the left and right are detachably connected by a second fastener. The side groove block according to claim 4, which is characterized.

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