Gutter blocks and gutters

Abstract

To provide a block for a gutter and a gutter which are easy to install. [Solution] A concrete gutter block 1 has a pair of side walls 2, 3, and each of the side walls 2, 3 is formed with a thin wall section 8 for branch piping. Providing the thin wall sections 8 on both side walls 2, 3 makes installation easier. Also, to prevent installation errors, no care is required during transportation or preparation of the gutter block.

Description

[Technical field]

[0001] This invention relates to concrete gutters constructed along roads and the like, and the gutter blocks that make up these, and in particular to gutters and gutter blocks developed for draining rainwater. [Background technology]

[0002] A gutter block, which forms a flow path with opposing side walls and a bottom wall, normally collects drainage water such as rainwater inside through an upper opening and allows the collected drainage water to flow down along a drainage gradient.

[0003] Conventional gutters are mainly made up of a number of U-shaped gutter blocks with closed bottom walls connected together. In this configuration, the drainage water flows through the channel formed by the U-shaped gutter blocks, so it flows through the gutter without permeating into the ground. Therefore, if such gutters are installed along the road, it is possible to prevent the road from being flooded. Please refer to the following Patent Document 1 as a prior art document disclosing technology related to the present invention. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 4-203130 Summary of the Invention [Problem to be solved by the invention]

[0005] Here, as shown in Patent Document 1, some gutter blocks have a thin wall on the side wall so that a branch pipe can be connected from the side. The branch pipe is for draining water from a house, and the thin wall is destroyed to open the branch pipe into the gutter as necessary. In Patent Document 1, as shown in lines 2 to 4 of the lower right column of paragraph 3, a thin wall is provided only on one side of the side wall of the gutter block, so when laying the gutter, it was necessary to place the side wall with the thin wall on the opposite side to the road (the side of the house). In addition, in Patent Document 1, laying mistakes often occur, and in order to prevent these mistakes, it was necessary to be extremely careful when transporting the gutter and during the preparation stage.

[0006] SUMMARY OF THE PRESENT DEVICE In view of the above-mentioned circumstances, an object of the present invention is to provide a gutter block and a gutter that are easy to install. [Means for solving the problem]

[0007] As a result of extensive research into solving the above problems, the inventors of the present invention came up with the following idea. This invention is a concrete gutter block, A pair of side walls; Each side wall is characterized by having a thin wall portion for branch piping.

[0008] In this way, the present invention makes installation easier by providing thin sections on both side walls. In addition, there is no need to be careful when transporting or preparing the gutter blocks to prevent installation errors. Furthermore, in the conventional technology, when the gutter blocks are placed in the wrong direction, it is necessary to dig up the gutter blocks and backfill them when installing the branch pipes, but this eliminates the trouble of doing so. Furthermore, in narrow roads, gutters may be installed in the center of the road. In such cases, by providing thin-walled sections on both side walls, branch pipes can be connected from both sides of the road.

[0009] In the present invention, the thin-walled portion is circular in side view and a plurality of thin-walled portions can be formed at predetermined intervals along the length of the side wall, so that the thin-walled portion can be selected and attached at an appropriate position when attaching the branch pipe, making the attachment of the branch pipe easier.

[0010] In the present invention, the first thin-walled portion formed on one side wall and the second thin-walled portion formed on the other side wall can be formed coaxially, so that the branch pipe buried at a predetermined depth can be connected to either the first thin-walled portion or the second thin-walled portion.

[0011] In the present invention, the first thin-walled portion formed on one side wall and the second thin-walled portion formed on the other side wall can be formed at positions symmetrical with respect to the center of the gutter, so that a branch pipe buried at a predetermined depth can be connected to either the first thin-walled portion or the second thin-walled portion.

[0012] In the present invention, at least a portion of the upper edges of the pair of side walls can be integrally connected. In this way, the side walls are less likely to break even when an external force is applied, and the strength of the gutter block is increased.

[0013] In the present invention, the gutter has a bottom wall that is integrally connected to each of the side walls, and each of the side walls can be erected at the same angle from the bottom wall, so that the installation of the gutter is not limited in its direction.

[0014] In the present invention, the side walls can be erected at right angles to the bottom wall. By doing so, the cross section of the gutter block is made rectangular, so that the side walls are less likely to break even when an external force is applied, and the strength of the gutter block is increased. [Brief description of the drawings]

[0015] [Figure 1]FIG. 1(A) is a top view of a gutter block according to a first embodiment of the present invention, FIG. 1(B) is a front view of the gutter block, FIG. 1(C) is a cross-sectional view taken along c1-c1 of the gutter block in FIG. 1(A), FIG. 1(D) is a side view of the gutter block, and FIG. 1(E) is a cross-sectional view taken along a1-a1 of the gutter block in FIG. 1(A). [Diagram 2] FIG. 2(A) is a top view of a gutter block according to a second embodiment of the present invention, FIG. 2(B) is a front view of the gutter block, FIG. 2(C) is a side view of the gutter block, and FIG. 2(D) is a cross-sectional view of the gutter block of FIG. 2(A) taken along a2-a2. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] [First embodiment] Hereinafter, a first embodiment of the present invention will be described with reference to Fig. 1. Fig. 1 is a top view of a gutter block according to the first embodiment of the present invention, Fig. 1(B) is a front view of the gutter block, Fig. 1(C) is a c1-c1 cross-sectional view of the gutter block in Fig. 1(A), Fig. 1(D) is a side view of the gutter block, and Fig. 1(E) is an a1-a1 cross-sectional view of the gutter block in Fig. 1(A). In the following description, the up-down direction generally refers to the up-down direction in FIG.

[0017] In Fig. 1, reference numeral 1 denotes a concrete gutter block having a generally rectangular cross section, with opposing side walls 2 and 3, a bottom wall 4, and an upper wall 7, and a flow path 6 is formed inside. When buried, the gutter block 1 is configured to be able to collect rainwater flowing from the ground surface through an upper slit-like opening 5 formed in the upper wall 7. The gutter block 1 shown in the figure has a longitudinal dimension L of 2000 mm, a width dimension W of 410 mm, and a height dimension H of 465 mm, for example.

[0018] A plurality of (here, a pair of) thin-walled portions 8 for connecting branch pipes are provided on each of the side walls 2 and 3 on both sides of the gutter block 1.

[0019] The thin wall portion 8 is for breaking as necessary to open a branch pipe (not shown) into the gutter. The branch pipe is for draining wastewater from a house into the gutter. The thin wall portion 8 is circular in side view, and a plurality of thin wall portions 8 are formed at approximately the center in the height direction of the side walls 2 and 3, at a predetermined interval in the length direction. In this example, the thin wall portions 8 are formed at two locations spaced apart in the longitudinal direction of the side walls 2 and 3. This allows the thin wall portion to be selected and attached at a suitable position when attaching the branch pipe, making it easy to attach the branch pipe. In this example, the position of the thin wall portion 8 can be exemplified as (L1) 500 mm from the side end, and the interval between one thin wall portion 8 and the other thin wall portion 8 can be 1000 mm (L2). In this example, the diameter of the thin wall portion 8 can be exemplified as 105 mm. The thin wall portion 8 is formed by a truncated cylindrical recess 8a from the surface of the side walls 2 and 3. The recess 8a is formed so that the head (thin wall portion side) of the truncated cylindrical shape has a small diameter.

[0020] As shown in FIG. 1(D), the first thin-walled portion 81 formed on one side wall 2 and the second thin-walled portion 82 formed on the other side wall 3 are formed coaxially on the central axis XX of the first thin-walled portion 81 and the second thin-walled portion 82. The central axis XX is on a horizontal line. Therefore, a branch pipe buried at a predetermined depth can be connected to either the first thin-walled portion 81 or the second thin-walled portion 82. As shown in FIG. 1(E), the first thin-walled portion 81 formed on one side wall 2 and the second thin-walled portion 82 formed on the other side wall 3 are formed at positions point-symmetrical with respect to the center ct of the gutter. Therefore, a branch pipe buried at a predetermined depth can be connected to either the first thin-walled portion 81 or the second thin-walled portion 82.

[0021] As shown in FIG. 1(C), the upper slit-shaped opening 5 formed in the upper wall 7 is located at a position (L3) of 250 mm from the side end in this example, and the length (L4) along the upper surface of the upper wall 7 is 1500 mm (L2). As shown in FIG. 1(C), the slit-shaped opening 5 is formed so that its length increases (widens) from the upper surface of the upper wall 7 downward. Also, as shown in FIG. 1(D), the slit-shaped opening 5 is formed so that its width increases from the upper surface of the upper wall 7 downward. With this configuration, the slit-shaped opening 5 is structured so that it is difficult for garbage to get clogged. On the upper surface of the upper wall 7, a groove 7a having the same width as the upper surface of the opening 5 is provided, so that rainwater can easily flow into the opening 5. Also, as shown in FIG. 1(D), the upper surface of the upper wall 7 is provided with a slope of about 2° from the side wall 2 side toward the opening 5, and similarly, from the side wall 3 side toward the opening 5, so that rainwater can easily flow into the opening 5.

[0022] In the gutter block 1 of the first embodiment, at least a part (a part not forming the opening 5) of the upper wall 7 constituting the upper edge of the pair of side walls 2, 3 is integrally connected. As a result, even if an external force is applied from the side, the side walls 2, 3 are unlikely to break, and the strength of the gutter block 1 is increased. The gutter block 1 constituting the gutter has a bottom wall 4 integrally connected to each side wall 2, 3, and each side wall 2, 3 is erected at the same angle from the bottom wall 4. In this way, the bottom wall 4 sandwiched between the side walls 2, 3 serves as a flow path 6, and wastewater flows through the gutter without penetrating into the ground. Each side wall 2, 3 of the gutter block 1 of the first embodiment is erected at a right angle from the bottom wall 4. As a result, the gutter block 1 has a rectangular cross section, and even if an external force is applied, the side walls are unlikely to break, and the strength of the gutter block is increased. The lower surface of the side wall 2 and the end of the bottom wall 4, and the lower surface of the side wall 2 and the end of the bottom wall 4 are provided with chamfered portions 4a for preventing chipping.

[0023] In this way, the gutter block 1 of the first embodiment is easy to install by providing the thin-walled portions 8 on both side walls 2, 3. Also, to prevent installation errors, care is not required during transportation or preparation of the gutter block 1. Furthermore, in the conventional technology, if the gutter block is placed in the wrong direction, it is necessary to dig up the gutter block and backfill it when installing the branch pipes, but this eliminates the trouble involved.

[0024] [Second embodiment] Hereinafter, a second embodiment of the present invention will be described with reference to Fig. 2. Fig. 2(A) is a top view of a gutter block according to the second embodiment of the present invention, Fig. 2(B) is a front view of the gutter block, Fig. 2(C) is a side view of the gutter block, and Fig. 2(D) is a cross-sectional view taken along a2-a2 of the gutter block in Fig. 2(A).

[0025] In Fig. 2, reference numeral 1 denotes a concrete gutter block having opposing side walls 2, 3 and a bottom wall 4, and a generally U-shaped cross section with an open top, with a flow path 6 formed inside. An opening 5 is formed at the top of the U shape. A step 9 is provided at the top of the inside of the side walls 2, 3. The step 9 is formed in a trapezoidal cross section, with a top 9a corresponding to the right leg being flat so that the upper base and the right leg (upper side) of the trapezoid form right angles with each other, and the lower base and the right leg form right angles with each other. A lid (not shown) is attached between this top 9a and the inside of the side walls 2, 3, and rainwater is configured to fall toward the bottom wall 4 through a through hole provided in the lid.

[0026] The side walls 2 and 3 on both sides of the gutter block 1 are each provided with a plurality of thin-walled portions 8 (here, a pair) for connecting branch pipes. The thin-walled portions 8 are intended to be broken as necessary to open a branch pipe (not shown) into the gutter. The branch pipe is intended, for example, to drain wastewater from a house into the gutter. The thin-walled portions 8 are circular in side view, and a plurality of them are formed at a predetermined interval in the length direction, slightly above the center in the height direction of the side walls 2 and 3. In this example, the thin-walled portions 8 are formed at two locations spaced apart in the longitudinal direction of the side walls 2 and 3. This allows the thin-walled portions to be selected at suitable positions when installing the branch pipes, making it easier to install the branch pipes.

[0027] 2(C), the first thin-walled portion 81 formed on one side wall 2 and the second thin-walled portion 82 formed on the other side wall 3 are coaxially formed on the axis XX. Therefore, a branch pipe buried at a predetermined depth can be connected to either the first thin-walled portion 81 or the second thin-walled portion 82.

[0028] Although the embodiment of the present invention has been described in detail above, the present invention is not limited to these descriptions. For example, the size, arrangement, and shape of the thin-walled portion provided on the side wall can be changed as appropriate. Various modifications that do not deviate from the scope of the claims and that can be easily conceived by a person skilled in the art are also included in this invention. [Explanation of symbols]

[0029] 1 ... gutter block, 2, 3 ... side wall, 4 ... bottom wall, 6 ... flow path, 8 ... thin wall portion, 81 ... first thin wall portion, 82 ... second thin wall portion

Claims

1. A concrete gutter block, A pair of side walls; A gutter block having thin-walled sections formed on each side wall for branch piping.

2. 2. The block for a gutter according to claim 1, wherein the thin-walled portion is circular in a side view, and a plurality of the thin-walled portions are formed at predetermined intervals in the longitudinal direction of the side wall.

3. 3. The gutter block according to claim 1, wherein the first thin-walled portion formed on one side wall and the second thin-walled portion formed on the other side wall are coaxially formed.

4. 3. The block for a gutter according to claim 1, wherein the first thin-walled portion formed on one side wall and the second thin-walled portion formed on the other side wall are formed at positions point-symmetrical with respect to the center of the gutter.

5. 3. The block for a gutter according to claim 1, wherein at least a part of an upper edge of the pair of side walls is integrally connected.

6. 3. The block for a side gutter according to claim 1, wherein the side gutter comprises a bottom wall integrally connected to each of the side walls, and each of the side walls stands upright at the same angle from the bottom wall.

7. 7. The gutter block according to claim 6, wherein each of said side walls is erected at a right angle from said bottom wall.

8. A gutter comprising the gutter block according to any one of claims 1 to 7.

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