JP3007297U - Paving blocks - Google Patents

Abstract

(57) [Summary] [Purpose] The construction time can be shortened, and even if the construction cost is kept low due to the low labor cost that does not require skill for the work, regular construction can be performed. [Structure] Two adjacent side faces 1 with a square planar shape
3 and 14, the first projections 21 and 22 and the second projections 31 and 3
Have two. Each protrusion projects from the side surfaces 13 and 14 by the length of the joint width. When arranging the two paving blocks 10, the side surfaces 14 and 14 each having a projection face each other, and the first projection 22 of one block and the second projection 32 of the other block are brought into contact with each other. Keeps joint width constant and prevents misalignment between facing sides.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a paving block for laying on, for example, a sidewalk or a park.

[0002]

[Prior art]

 Conventional pavement blocks have, for example, a square planar shape.For example, a line is placed on a road surface such as a sidewalk so as to be laid regularly, and a predetermined joint width is opened along the line to place a large number of pavement blocks. Then, it constitutes the sidewalk.

In such a conventional paving block, it takes time and skill to measure the length and draw a line so that the paving block is regularly laid. Therefore, the construction takes time and the personnel of a well-experienced worker. There was a problem that the construction cost would increase due to the cost.

As a paving block that solves this problem, for example, there is one shown in Design Registration No. 732452. In other words, by providing a protrusion on the side surface of the paving block with the length of the joint width and applying the protrusion to the side surface of the other block, the two blocks are arranged with a joint width between the side surfaces. It is supposed to do.

[0005]

[Problems to be solved by the device]

 However, in such a conventional paving block, it is easy to keep the joint width constant, but a gap may occur between the facing side surfaces. In order to correct this deviation, it is necessary to visually align the positions of the side corners of the two blocks, which requires skill to perform the work. Therefore, there is a problem that the labor cost of a skilled worker increases the construction cost. there were.

The present invention has been made by paying attention to such a conventional problem, and can shorten the construction time, and at the same time, the construction cost can be reduced by the labor cost which does not require the skill for the work. The objective is to provide a paving block that can be laid regularly even if it is held down.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the paving block according to the present invention of claim 1 has a polygonal planar shape, and has a first protrusion and a second protrusion on each of at least two side surfaces, The first projection and the second projection project from each side surface by the length of the joint width, and the first projection described above is located at a position displaced from the center of each side surface to the side of one of the side surface corners. The length between the one side surface corner portion is equal to the length from the second projection including the width of the second projection to the near side surface corner portion.

The polygonal plane shape includes not only square but also plane shapes such as rectangle, triangle, pentagon, and hexagon. The planar shape is the shape of a surface that appears as a pavement surface. The paving block may have a plate shape, or may have a three-dimensionally thicker thickness. The side surface having the first protrusion and the second protrusion may be all side surfaces. The two side surfaces having the first protrusion and the second protrusion may or may not have the same arrangement of the first protrusion and the second protrusion.

A paving block according to a second aspect of the present invention is the paving block according to the first aspect, wherein the planar shape has a square shape, and the two adjacent side surfaces have the first protrusion and the second protrusion, respectively. The two adjacent side surfaces have the same arrangement of the first protrusion and the second protrusion.

The paving block according to the present invention of claim 3 is the paving block according to claim 1 or 2, wherein the planar side end portions of the first projection and the second projection are located on the bottom surface side from the inside to the outside. It is characterized by being inclined.

The material for the paving block may be artificial stone such as concrete or plastic, or natural stone such as marble. Pavement blocks may be laid on roads such as sidewalks and roadways, in parks, and in rooms such as halls. A variety of achromatic or chromatic patterns may be attached to the plane of the paving block.

[0012]

[Action]

 When laying a paving block at a paving place, first place the reference paving block at the paving place, and place the other paving block on the side having the first and second protrusions Place it along. The two paving blocks are arranged with a joint width between the respective side surfaces by applying the respective first projections and second projections to the other side surface.

At this time, the first protrusion of the one paving block and the second protrusion of the other paving block are applied so as to be in contact with each other at their side surfaces. Since the length between the first protrusion and the side corner on the side closer to the first protrusion is equal to the length from the second protrusion including the width of the second protrusion to the corner on the side closer to the side, two pavements are used. The side corners of the opposite sides of the work block are aligned with each other.

In this way, it is possible to keep the joint width constant and prevent the gap between the side surfaces facing each other, and to lay the paving blocks regularly.

In the paving block according to the present invention of claim 2, no matter which side of the two adjacent side surfaces of the paving block the side surface of the other paving block faces, the joint width is constant. The pavement blocks can be regularly laid while keeping the same at the same position and preventing the gap between the opposite sides.

According to a third aspect of the paving block of the present invention, the flat projection side ends of the first projection and the second projection are inclined from the inner side to the outer side toward the bottom surface side. The ends are easily removed from the mold, and the manufacturing is easy.

[0017]

【Example】

 Hereinafter, first and second embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment of the present invention.

As shown in FIGS. 1 and 2, the paving block 10 is a concrete plate having a square planar shape. The paving block 10 has a square flat surface 11 and a bottom surface 12, and four rectangular side surfaces 13, 14, 15, and 16. The plane 11 is a portion that is laid at a paving place and forms a paving surface.

Chamfers 17, 18, 19, 20 are formed at the boundaries between the flat surface 11 and the four side surfaces 13, 14, 15, 16. The paving block 10 has side surface corner portions 41, 42, 43, 44 at the boundaries of the four side surfaces 13, 14, 15, 16, respectively.

As shown in FIGS. 1 and 2, the paving block 10 has a first protrusion 21, 22 and a second protrusion 31, 32 on two adjacent side faces 13, 14 that sandwich a right angle, respectively. ing. The two adjacent side surfaces 13 and 14 have the same arrangement of the first protrusions 21 and 22 and the second protrusions 31 and 32. The first protrusions 21 and 22 and the second protrusions 31 and 32 have the same shape and dimensions, and extend from the chamfered portions 17 and 18 to the bottom surface 12 along the width direction of the side surfaces 13 and 14.

The planar side end portions 23, 24, 33, 34 of the first protrusions 21, 22 and the second protrusions 31, 32 are inclined toward the bottom side from the inside to the outside. The inclination of the flat end portions 23, 24, 33, 34 is the same as the inclination angle of the chamfered portions 17, 18, and the flat end portions 23, 24, 33, 34 and the chamfered portions 17, 18 are on the same plane. It is continuous in. The side portions 25, 26, 35, 36 of the first protrusions 21, 22 and the second protrusions 31, 32 are chamfered to form curved surfaces.

The first protrusions 21 and 22 and the second protrusions 31 and 32 protrude from the side surfaces 13 and 14 by the length a of the joint width A. The side surface 13 is provided near the side surface corner portion 41 between the side surfaces 13 and 14 where the first projection 21 is adjacent to the second projection 31. In the side surface 14, the second projection 32 is closer to the side surface corner portion 41 than the first projection 22. It is provided near the door.

As shown in FIG. 2, the first protrusions 21 and 22 are located at positions displaced from the longitudinal centers b 1 and c of the side faces 13 and 14 toward the side face corner portions 41 and 42 by at least a half width d or more. is there. The length e between the first projections 21 and 22 and the side surface corner portions 41 and 42 is from the second projections 31 and 32 including the width of the second projections 31 and 32 to the side surface corner portions 44 and 41 on the near side. It is equal to the length f.

As an example of the dimensions of the paving block 10, the length g 1 of one side of the square plane 11 is 300 mm, the protruding length a 1 of the first projections 21 and 22 and the second projections 31 and 32 is 5 mm, The width h of the first protrusions 21 and 22 and the second protrusions 31 and 32 is 10 mm, the length e between the first protrusions 21 and 22 and the side surface corner portions 41 and 42 is 100 mm, and the width of the second protrusions 31 and 32. The length f 1 from the second protrusions 31 and 32 including the side surface corners 44 and 41 is 100 mm.

Next, the operation will be described. In FIG. 3, when the paving block 10 is laid in the paving place, first, the reference paving block 10a is arranged in the paving place, and the side surface 14 having the first protrusion 22 and the second protrusion 32 is The paving block 10b of No. 1 is arranged so that the corresponding side surface 14 is along. The two paving blocks 10a and 10b are arranged with a joint width A between the side surfaces 14 and 14 by applying the first projection 22 and the second projection 32 to the other side surface 14, respectively.

At this time, the first projections 22 of the paving block 10a on one side and the second projections 32 of the paving block 10b on the other side are brought into contact with each other at their side surfaces. The length between the first projection 22 and the side surface corner portion 42 on the side closer to the first projection 22 is equal to the length from the second projection 32 including the width of the second projection 32 to the side surface corner portion 41 on the closer side. Therefore, the side surface corner portions 41 and 42 of the opposite side surfaces 14 and 14 of the two paving blocks 10a and 10b are aligned with each other.

In this way, when laying the paving block 10, the work of measuring the length and drawing a line and visually aligning the positions of the side corners 41 and 42 of the two blocks 10a and 10b are omitted. Also, the joint width A can be kept constant, and the pavement blocks 10 can be regularly laid while preventing the displacement between the side surfaces 14, 14 facing each other.

As a result, the construction time can be shortened, and the paving blocks 10 can be laid regularly even if the construction cost is kept low due to the low labor cost that does not require skill for the work.

As shown in the paving blocks 10 c and 10 d, even when the side surface 14 of one block is arranged so that the side surface 13 of the other block is arranged, the side surfaces 13 of the two paving blocks 10 are similarly arranged. It is possible to maintain a constant joint width A between the side walls 13 and 14 and prevent the side surfaces 13 and 14 facing each other from being displaced, so that the paving block 10 can be laid regularly.

As shown in the paving blocks 10e and 10f, the paving block 10a may be a block having a half shape, and two paving blocks 10a may be used instead of one paving block 10a.

When a plurality of paving blocks 10 are arranged as shown in FIG. 3, since the first protrusion 22 and the second protrusion 32 do not project to the outside, the protrusions 22 and 32 interfere with each other at the boundary of the paving place. Never be.

In the paving block 10, since the plane side end portions 23, 24, 33, 34 of the first projections 21, 22 and the second projections 31, 32 are inclined toward the bottom surface 12 from the inside to the outside, At the time of removing the mold, the flat side end portions 23, 24, 33, 34 of the projections are easily removed from the mold, and thus the manufacturing is easy.

Note that various patterns may be displayed on the pavement surface by applying a pattern to the plane surface of the pavement block 10.

FIG. 4 shows a second embodiment of the present invention. In this embodiment, the height of the first protrusion and the second protrusion is reduced. The same parts as those in the first embodiment are designated by the same reference numerals, and the duplicated description will be omitted.

In the present embodiment, the first protrusion 61 and the second protrusion 71 have the same shape and dimensions, and extend along the width direction of the side surfaces 13 and 14 from the vicinity of the center in the width direction to the bottom surface 12.

In the case of this embodiment, the volume of the first protrusion 61 and the second protrusion 71 is smaller than that of the case of the first embodiment, so that the material cost can be reduced.

[0037]

[Effect of device]

 According to the paving block of the present invention, it is possible to lay the joint with a joint width by the first protrusion and the second protrusion, and it is possible to prevent the gap between the opposite side faces. It is possible to shorten the construction time by omitting the work of drawing a line or visually matching the positions of the side corners of the two blocks, and at the same time, the labor cost is low because no skill is required for the work. Therefore, even if the construction cost is kept low, it is possible to lay it regularly.

According to the paving block according to the present invention of claim 2, since the arrangement of the first protrusion and the second protrusion is the same on the two side surfaces, which side of two adjacent side surfaces of the paving block is located. , Whichever side the other paving blocks face, the joint width can be kept constant and the gap between the facing sides can be prevented.

According to the paving block of the third aspect of the present invention, since the flat-side ends of the first protrusion and the second protrusion are inclined from the inner side to the outer side toward the bottom side, the protrusion during the die cutting. The flat end portion on the flat side can be easily removed from the mold, and can be easily manufactured.

[Brief description of drawings]

FIG. 1 is a perspective view showing a paving block according to a first embodiment of the present invention.

FIG. 2A is a plan view showing a paving block according to a first embodiment, and FIG. 2B is a front view thereof.

FIG. 3 is a plan view showing a state in which a paving block according to the first embodiment is laid.

FIG. 4 is a front view showing a paving block according to a second embodiment of the present invention.

[Explanation of symbols]

 10 Pavement block 11 Plane 12 Bottom surface 13, 14, 15, 16 Side surface 41, 42, 43, 44 Side corner portion 21, 22 First protrusion 31, 32 Second protrusion 23, 24, 33, 34 Plane side end portion

Claims (3)

[Scope of utility model registration request] 1. A planar shape having a polygonal shape, and a first protrusion and a second protrusion on each of at least two side faces, wherein the first protrusion and the second protrusion have a joint width from each side face. And the first protrusion is located at a position displaced from the center of each side face toward one side surface corner portion, and the length between the first protrusion and the one side surface corner portion is equal to the second side surface corner portion. A pavement block having a length equal to the length from the second protrusion including the width of the protrusion to the side corner on the near side. 2. A planar shape is a square, and each of two adjacent side surfaces includes the first protrusion and the second protrusion, and the two adjacent side surfaces include the first protrusion and the second protrusion.
The pavement block according to claim 1, wherein the protrusions are arranged in the same manner. 3. The pavement block according to claim 1 or 2, wherein flat surface side end portions of the first projection and the second projection are inclined toward the bottom surface from the inside to the outside.