KR102229418B1 - Wall block with decoration panel - Google Patents

Abstract

The present invention provides a night retaining wall decoration block as a concrete retaining wall block. A seating groove part is formed on the front surface of the concrete retaining wall block. A decorative panel is seated on the seating groove part. The decorative panel has a front panel part having an inner attachment portion formed by bending four sides formed of a rust-free SUS or AL metal material. A white opaque light diffusion plate to which sheet paper having a set color is attached is attached to the front surface of the inner attachment portion of the front panel part. A light guide plate is installed in contact with the light diffusion plate. A light reflecting plate is sequentially installed in contact with the light guide plate. A plurality of LED lighting parts are long attached to one end of the light guide plate, and a heat dissipation part for surrounding the LED lighting parts and the light guide plate in a shape of ㄷ is attached thereto. The front panel part has a shape penetration part having various shapes or patterns formed therethrough. The sheet paper of the light diffusion plate receives light uniformly from the light guide plate, so that various shapes, patterns, or colors can be seen at night through the shape penetration part. The concrete retaining wall block has a front panel having various shapes and colors and attached thereto, thereby lightening the dark atmosphere of the concrete retaining wall block at night. In addition, the front panel having various shapes and colors can be attached to the concrete retaining wall block, and thus the rigid concrete retaining wall block is changed to have shapes, patterns, or colors set every hour or every day, thereby providing a warm and gentle aesthetic feeling.

Description

Wall block with decoration panel}

The present invention relates to a retaining wall decoration block for the night, and more particularly, by applying a backlight device to a front panel having various shapes and colors to the concrete retaining wall block to brighten the dark atmosphere of the concrete retaining wall block at night, and to form a variety of shapes and colors. It relates to a retaining wall decoration block for the night formed to change the shape, shape, and color set every hour or every day by attaching the front panel having a.

In general, a retaining wall refers to a wall made so that the soil of the embankment or incision ground does not collapse or flow down due to earth pressure. In this case, it is a structure built to prevent ground collapse.

However, the retaining wall constructed using such a conventional retaining wall block also has a problem that the exterior is not beautiful because the entire retaining wall is made of concrete.

As a technology for attaching natural stone as a decorative plate by solving the above problem, the registered patent publication No. 10-1035462 has a hexahedral shape having a constant size, and the outer side is narrow along the longitudinal center line of the rear block. A mounting groove formed along a wide trapezoidal mounting surface is provided, a through hole is formed in the rear portion of the rear block, and a connection pin (not shown) can be inserted into the stacking connection pin hole provided on the upper surface. It consists of a rear block that is stacked and constructed continuously and repeatedly in the longitudinal and transverse directions along the reclaimed land or incision, and is formed to have a thinner thickness compared to the front and rear thickness of the rear block, and is formed on the rear block along the longitudinal center line of the rear block. In the decorative plate mounting structure of a retaining wall block comprising a front block with a protruding mounting piece fitted to the mounting groove and a decorative plate mounted on the front portion of the front block, the left front portion of the upper surface of the front block And a mold mounting hole provided on the right front side, but mounted in the mold mounting hole, a mold nut formed of FRP, a nut ball provided on the front surface of the mold nut, and a position coincident with the nut ball according to the diameter of the fastening bolt The bolt hole to be formed, the bolt hole is provided at the upper left and right upper ends of the decorative plate, based on the decorative plate formed and penetrated according to the size of the diameter of the binding bolt, the binding bolt penetrating the bolt hole of the decorative plate, A decorative plate mounting structure of a retaining wall block by a mold nut, characterized in that the decorative plate is mounted on the front part of the front block, is disclosed since it is screwed into the nut hole of the mold nut formed of FRP.

Registered Patent Publication No. 10-0930886 has a hexahedral shape having a size determined according to the design, and a trapezoidal-shaped mounting groove with a narrow outside and a wide inside is formed along the longitudinal center line of the front surface. On both sides, locking jaws having a predetermined size and height are protruded and formed, and a through hole is formed in the upper surface between the left and right locking jaws to be inserted into and coupled. And a rear block that is continuously and repeatedly stacked and constructed in the transverse direction. The front block is formed to have a thickness thinner than the front and rear thickness of the rear block, is molded to have various colors or patterns, and the mounting piece protrudes to fit and fit into the mounting groove on the rear block along the longitudinal center line of the rear surface; And a retaining wall block comprising a decorative plate mounted on the front surface of the front block, wherein a fixing hole having a predetermined diameter is formed at a position coincident with each other in a center of the front surface of the front block and the center of the front of the decorative plate, so that the decorative plate is A decorative plate mounting structure of a retaining wall block, characterized in that it is configured to be firmly mounted by a stud anchor inserted through a fixing hole from the front of the decorative plate in a state attached to the front surface of the front block, is disclosed.

However, when the decorative panel of the prior art is attached to the concrete retaining wall block, there is a problem in that the shape, shape, and color formed on the decorative panel cannot be changed.

Korean Registered Patent Publication No. 10-0930886 Republic of Korea Patent Publication No. 10-1035462 Korean Patent Publication No. 10-1679474 Korean Patent Publication No. 10-1944344

The present invention was conceived to solve the above problems, and an object of the present invention is to form a configuration in which an electric wire passes through a concrete retaining wall block, is buried, and forms a configuration in which a decorative panel is attached to the front of the retaining wall block, The purpose of the decorative panel is to provide a retaining wall decoration block for night by forming a shape through part in which various shapes, shapes, and colors are formed, and by mounting a backlight device therein.

It will be described below and will be seen by way of examples of the present invention. Further, the objects and advantages of the present invention can be realized by means and combinations shown in the claims.

The present invention is a means for solving the above problems, the present invention in the concrete retaining wall block, the seating groove is formed in the front surface of the concrete retaining wall block; A decorative panel is seated in the seating groove; The decorative panel is provided with a panel front portion formed by bending four sides of a rust-free SUS or AL metal material to form an internal attachment portion, and a white opaque light diffusion plate with a sheet paper having a set color attached to the front of the inner attachment portion of the panel front portion. Is attached, the light guide plate is installed by being in contact with the light diffusing plate, and the reflecting plate is sequentially installed by contacting the light guide plate; At one end of the light guide plate, a plurality of LED lighting parts are long attached, a heat dissipation part surrounding the LED lighting part and the light guide plate in a c shape is attached, and the front panel of the panel is made such that a shape through part through which various shapes or shapes are penetrated is provided, The sheet paper of the light diffusing plate uniformly receives light from the light guide plate, and provides a retaining wall decoration block for the night, so that various shapes, shapes, and colors can be seen at night through the shape through part.

As described above, the present invention has an effect of brightening the dark atmosphere of the concrete retaining wall block at night by attaching a front panel having various shapes and colors to the concrete retaining wall block.

In addition, by attaching a front panel having various shapes and colors, changing the shape and shape set every hour or every day into various colors, there is an effect of forming a warm and mild aesthetic on the hard concrete retaining wall block.

In addition, there is an effect of helping to prevent crime by brightening the periphery of the concrete retaining wall block.

1 is a schematic view showing a state in which a decorative panel is attached to a retaining wall decoration block according to the present invention,
2 and 3 are schematic diagrams showing a stacked state of a retaining wall block and a front block;
Figure 4 is a schematic view showing a retaining wall decorative block according to the present invention,
5 is a schematic view showing a light guide plate of a retaining wall decoration block according to the present invention,
6 is a schematic view showing a light diffusion plate of the retaining wall decoration block according to the present invention,
7 is a schematic view showing the front part of the front panel of the retaining wall decoration block according to the present invention.
Figure 8 is a schematic view showing the inner attachment portion of the front panel of the retaining wall decoration block according to the present invention.
Figure 9 is a photograph showing the construction state of the retaining wall decorative block according to the present invention.
10 is a schematic diagram showing another embodiment of a light guide plate according to the present invention.

Before describing various embodiments of the present invention in detail, it will be appreciated that the application is not limited to the details of configurations and arrangements of elements described in the following detailed description or illustrated in the drawings. The present invention can be implemented and practiced in different embodiments, and can be carried out in various ways. Also, device or element orientation (eg "front", "back", "up", "down", "top", "bottom" The expressions and predicates used herein with respect to terms such as ", "left", "right", "lateral"), etc. are used only to simplify the description of the present invention, and related devices Or you will find that the element simply does not indicate or implies that it should have a particular orientation. Further, terms such as “first” and “second” are used in this application and the appended claims for purposes of explanation and are not intended to represent or imply any relative importance or spirit.

The present invention has the following features to achieve the above object.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventors appropriately explain the concept of terms in order to explain their own invention in the best way. Based on the principle that it can be defined, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention.

Accordingly, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all the technical spirit of the present invention. It should be understood that there may be equivalents and variations.

Looking at an embodiment according to the present invention,

In the concrete retaining wall block (100)

A seating groove 101 is formed on the front surface of the concrete retaining wall block 100;

The decorative panel 50 is seated in the seating groove 101;

A pin coupling through hole 103 is formed in the central front portion of the seating groove 101,

The concrete retaining wall block 100 has a structure stacked on the upper surface of the front block 200, and the pin coupling hole 201 penetrating through the upper surface of the front block 200, the pin coupling of the concrete retaining wall block 100 The through holes 103 are stacked to correspond to each other, and are coupled to each other by the first pin portion 104,

The decorative panel 50 is

The four sides of the metal material are bent to provide the front panel portion 10 on which the inner attachment portion 15 is formed,

A white opaque light diffusion plate 20 to which a sheet paper 25 having a set color is attached is attached to the front of the inner attachment portion 15 of the front panel 10,

The light guide plate 30 is installed in contact with the light diffusion plate 20,

The reflective plate 40 is sequentially installed in contact with the light guide plate 30;

A plurality of LED lighting parts 31 are long attached to one end of the light guide plate 30, so that the LED lights are irradiated into the inside of the light guide plate 30 at a 90° angle based on the front surface of the panel front part 10. Is formed to be

A heat dissipation part 32 surrounding the LED lighting part 31 and the light guide plate 30 in a c shape is attached,

The panel front portion 10 is made to have a shape through portion 11 through which various shapes or shapes are passed,

The sheet paper 25 of the light diffusing plate 20 receives light uniformly from the light guide plate 30, and is formed so that various shapes, shapes, and colors can be seen at night through the shape through part 11;

A plurality of LED lighting parts 31 are attached to each of the four sides, including one end and both side or one end of the light guide plate 30, respectively, and the LED lighting part 31 and the light guide plate 30 are enclosed in a C shape. The inner surfaces of the bent inner attachment parts 15 are attached to each other to correspond to the inner side of the heat dissipation part 32, and the inner side surfaces of the bent inner attaching part 15 are in contact with each other on the outer upper surface of the heat dissipation part 32 enclosed in the C shape, so that the LED lighting part 31 ) Is formed to radiate heat to the front panel 10 through the heat dissipation part 32;

Each of the LED lighting colors of the LED lighting unit 31 is formed identically or differently to form a combination of mutual light;

The LED lighting part 31 is formed differently from each other by corresponding on four surfaces including the one end part, so that the color projected from each surface to the light guide plate 30 is formed differently on each surface to form the front panel ( 10) is made to express various shapes or shapes at night by harmoniously forming colors visible to the naked eye through the shape-penetrating part 11 through which various shapes or shapes are penetrated;

The front panel 10 is made of SUS or AL that does not rust, and the front surface is formed with a set pattern, so that the concrete retaining wall block 100 to be attached and a mutual aesthetic is formed, and a working easy part 10a at each corner ) Is formed to facilitate attachment and replacement and repair of the light guide plate 30 and the light diffusion plate 20 that are mounted inside,

The size of the four bent surfaces is formed to be 8 times longer than the size to which the light diffusion plate 20 and the light guide plate 30 are attached to each other, and thus plays the role of an umbrella that is not exposed to water in rainy days;

A seating protrusion 103 is formed inside the entrance of the seating groove 101 on the front of the concrete retaining wall block 100, and a wire for supplying power to the LED lighting part 31 at the upper part of the concrete retaining wall block 100 So that the through hole 102 is formed; It relates to a retaining wall decoration block for night use.

In addition, the front block 200 has an insertion through hole 202 formed vertically on the central front portion, so that the second pin portion 203 is in contact with the front surface of the decorative panel 50 so that the insertion through hole 202 is inserted. By being inserted and attached, it is characterized in that it supports the decorative panel 50 inserted into the seating groove 101 so as not to fall forward.

In addition, the concrete retaining wall block 100 is characterized in that it is stacked at a certain distance to the rear so as not to be positioned on the same vertical line as the front surface of the front block 200.

Hereinafter, a retaining wall decorative block for night according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 10.

As shown in Figure 1, the present invention

The seating groove 101 is formed in the front of the concrete retaining wall block 100,

It characterized in that the decorative panel 50 is seated in the seating groove 101.

The seating groove 101 is to form a groove inside the front portion, and both ends are formed with protrusions 103 inward so that the decorative panel 50 slides, so that it is seated and does not fall outward. It is done.

As shown in Figure 4,

The decorative panel 50 is largely composed of a front panel 10, a light diffusion plate 20, a light guide plate 30, and a reflective plate 40 in sequence,

The front panel 10 is bent on four sides of SUS or AL metal material that does not cause rust.

It is a metal material that is required to be subjected to surface treatment so that rust does not occur even in rain since it has an inner attachment part 15 formed inside and is installed outdoors.

The reason for applying the metal material is that mass production is possible, and it is very easy to penetrate through to form various shapes and shapes on the front surface, and other components are easily mounted inside.

A light diffusion plate 20 is attached to the front of the inner mounting portion 15 of the front panel 10, and a sheet paper 25 having a set color is attached to the light diffusion plate 20, a white opaque plastic It is a plate.

As shown in FIG. 5, the light guide plate 30 is installed in contact with the light diffusing plate 20, and the reflective plate 40 is installed in contact with the light guide plate 30.

A plurality of LED lighting parts 31 are long attached to one end of the light guide plate 30, so that the LED lights are irradiated into the inside of the light guide plate 30 at a 90° angle based on the front surface of the panel front part 10. It is formed so as to be.

A plurality of LED lighting units 31 are long attached to the entire length of one end portion of the light guide plate 30, so that when the LED lights are irradiated, light is emitted to irradiate the LED lights into the inside of the light guide plate 30. , LED lighting is irradiated at an angle of 90° with respect to the front of the front panel 10 to produce various colors.

In addition, a radiating part 32 surrounding the LED lighting part 31 and the light guide plate 30 in a C shape is attached to the entire length of the one end surface part of the light guide plate 30.

Since the LED lighting unit 31 is configured to emit light, a heat dissipation unit 32 surrounding the LED lighting unit 31 and the light guide plate 30 in a C shape is attached to emit heat.

As shown in Figures 4 and 5

The LED lighting part 31 and the light guide plate 30 are respectively attached to the inner side of the heat dissipation part 32 enclosed in a C-shape, and the bent inner attaching part on the outer upper surface of the heat dissipation part 32 enclosed in the C-shape Since the inner surfaces of (15) are in contact with each other, the heat dissipation of the LED lighting unit 31 is formed so as to radiate heat to the front panel 10 through the heat dissipation unit 32.

Due to the lighting heat radiated from the LED lighting unit 31, the surrounding temperature rises, and problems such as peeling of the wires are generated, so that the heat radiated from the LED lighting unit 31 is efficiently radiated. Is very important, and the decorative panel 50 of the present invention uses a rectangular metal material, and the heat dissipation of the LED lighting unit 31 is radiated to the decorative panel 50 through the heat dissipation unit 32. It is characterized in that it is formed.

One side of the light guide plate 30 is irradiated with a set LED lighting color, and the other side is to which a reflector 40 is attached to reflect the LED lighting color.

As shown in Figure 7,

The panel front portion 10 is made to have a shape through portion 11 through which various shapes or shapes are passed, and the panel front portion 10 made of a metal material is formed in various shapes by using a processing device such as laser cutting. Alternatively, the shape through part 11 penetrated into a shape is formed, the front panel 10 of the metal material is useful for mass production in a factory, and the outer surface of the front panel 10 is a concrete to be seated. It is characterized in that the surface treatment of various patterns on the surface of the metal material so that the outer image and the aesthetic sense of the retaining wall block 100 are formed.

As shown in Figure 4,

In the present invention, when the light guide plate 30 emits light uniformly, the emitted light is illuminated on the sheet paper 25 of the light diffusion plate 20, and the sheet paper 25 having the set color shines with the set color. will be.

Since the sheet paper 25 is closely attached to the shape through part 11, light is supplied even at night in the color of the sheet paper 25 with respect to a set shape or shape formed in the shape through part 11.

9 is a view showing an actual construction situation according to an embodiment of the present invention,

The front surface of the front panel 10 is formed with a set pattern to form a mutual aesthetics with the concrete retaining wall block 100 to be attached, and is formed in a set shape and shape such as various letters, patterns, and images, It is characterized by giving a warm and gentle image to the hard concrete retaining wall block.

7 shows the outer surface of the front panel 10, which is a surface treatment of various patterns on the surface of the metal material so that the outer image and the aesthetic sense of the concrete retaining wall block 100 to be seated are formed.

As shown in Fig. 1, the upper portion of the concrete retaining wall block 100 is made so that a wire through groove 102 for supplying power to the LED lighting unit 31 is formed.

In addition, a seating protrusion 103 is formed inside the entrance of the seating groove 101 on the front surface of the concrete retaining wall block 100, so that the decorative panel 50 is stably seated, each seating protrusion 103 inside the country of entry. Is formed,

As shown in Figure 10, another embodiment in which the LED lighting unit 31 is attached to the light guide plate 30 is a configuration in which the LED lighting unit 31 is attached to one end and both sides, and as another embodiment, a four-sided border It features a configuration in which the LED lighting unit 31 is attached to all.

To this end, a plurality of LED lighting parts 31 are respectively attached to each of the four sides including one end, and the heat dissipation parts 32 surrounding the LED lighting part 31 and the light guide plate 30 in a C shape correspond to each other. It characterized in that it is attached.

This means that the LED lighting colors of the LED lighting units 31 attached to one side, three sides including one side, and four sides including one side, respectively, are respectively formed the same, or are formed differently from each other corresponding to each side, respectively. The color projected to the light guide plate 30 is formed differently on each surface of the panel, so that the front panel 10 harmoniously forms the color visible to the naked eye through the through-shaped part 11 through which various shapes or shapes are penetrated. It is to increase the aesthetics.

In addition, as shown in Fig. 8, each corner of the panel front portion 10 has an easy-to-operate portion (10a) through which the light guide plate 30 and the light diffusing plate 20 that are seated therein are attached and replaced. To facilitate repair; It was made.

In addition, as shown in Fig. 4, the size of the four bent surfaces is formed relatively longer than the size to which the light diffusion plate 20 and the light guide plate 30 are attached to each other, To take on the role of an umbrella; It was made.

In addition, the concrete retaining wall block 100 having the above configuration, as shown in Figures 2 and 3,

A pin coupling through hole 103 is formed in the central front portion of the seating groove 101, and the concrete retaining wall block 100 has a structure stacked on the upper surface of the front block 200 having a concrete material, and the front surface In the pin coupling hole 201 penetrating the upper surface of the block 200, the pin coupling through hole 103 of the concrete retaining wall block 100 is stacked so as to correspond to each other, so that the first pin portion 104 and the pin coupling through hole By sequentially vertically penetrating the pin coupling holes and being inserted, they are coupled to each other.

That is, the structure in which the concrete retaining wall block 100 is stacked on the upper part of the front block 200 is continuously formed in the transverse and longitudinal directions, thereby constructing the retaining wall.

At this time, the concrete retaining wall block 100 is to have a structure in which the concrete retaining wall block 100 is stacked at a certain distance to the rear so as not to be positioned on the same vertical line as the front surface of the front block 200.

In addition, the front block 200 has an insertion through hole 202 vertically formed on the central front portion, so that the second pin portion 203 is in contact with the front surface of the decorative panel 50 so that the insertion through hole 202 is inserted. By being inserted and attached, the decorative panel 50 inserted into the seating groove 101 can be supported so as not to fall forward.

As described above, although the present invention has been described by the limited embodiments and drawings, the present invention is not limited thereto, and the technical spirit of the present invention and the following by those of ordinary skill in the technical field to which the present invention pertains. It goes without saying that various modifications and changes are possible within the equivalent range of the claims to be described.

10: front panel 10a: easy to work
11: shape through part 15: internal attachment part
20: light diffusion plate 25: sheet paper
30: light guide plate 31: LED lighting unit
32: radiator 40: reflector
50: decorative panel 100: retaining wall block
101: seating groove 102: wire through groove
103: pin coupling through hole 104: first pin portion
200: front block 201: pin coupling hole
202: insertion through hole 203: second pin portion

Claims (3)

In the concrete retaining wall block (100)
A seating groove 101 is formed on the front surface of the concrete retaining wall block 100;
The decorative panel 50 is seated in the seating groove 101;
A pin coupling through hole 103 is formed in the central front portion of the seating groove 101,
The concrete retaining wall block 100 has a structure stacked on the upper surface of the front block 200, and the pin coupling hole 201 penetrating through the upper surface of the front block 200, the pin coupling of the concrete retaining wall block 100 The through holes 103 are stacked to correspond to each other, and are coupled to each other by the first pin portion 104,
The decorative panel 50 is
The four sides of the metal material are bent to provide the front panel portion 10 on which the inner attachment portion 15 is formed,
A white opaque light diffusion plate 20 to which a sheet paper 25 having a set color is attached is attached to the front of the inner attachment portion 15 of the front panel 10,
The light guide plate 30 is installed in contact with the light diffusion plate 20,
The reflective plate 40 is sequentially installed in contact with the light guide plate 30;
A plurality of LED lighting parts 31 are long attached to one end of the light guide plate 30, so that the LED lights are irradiated into the inside of the light guide plate 30 at a 90° angle based on the front surface of the panel front part 10. Is formed to be
A heat dissipation part 32 surrounding the LED lighting part 31 and the light guide plate 30 in a c shape is attached,
The panel front portion 10 is made to have a shape through portion 11 through which various shapes or shapes are passed,
The sheet paper 25 of the light diffusing plate 20 is formed so that light is uniformly transmitted from the light guide plate 30 so that various shapes, shapes, and colors can be seen through the shape through part 11 at night;
Each of the LED lighting colors of the LED lighting unit 31 is formed identically or differently, so as to form a combination of light with each other;
A plurality of LED lighting parts 31 are attached to each of the four sides, including one end and both side or one end of the light guide plate 30, respectively, and the LED lighting part 31 and the light guide plate 30 are enclosed in a C shape. The inner surfaces of the bent inner attachment parts 15 are attached to each other to correspond to the inner side of the heat dissipation part 32, and the inner side surfaces of the bent inner attaching part 15 are in contact with each other on the outer upper surface of the heat dissipation part 32 enclosed in the C shape, so that the LED lighting part 31 ) Is formed to radiate heat to the front panel 10 through the heat dissipation part 32;
The LED lighting part 31 is formed differently from each other by corresponding on four surfaces including the one end part, so that the color projected from each surface to the light guide plate 30 is formed differently on each surface to form the front panel ( 10) is made to express various shapes or shapes at night by harmoniously forming colors visible to the naked eye through the shape-penetrating part 11 through which various shapes or shapes are penetrated;
The front panel 10 is made of SUS or AL that does not rust, and the front surface is formed with a set pattern, so that the concrete retaining wall block 100 to be attached and a mutual aesthetic is formed, and a working easy part 10a at each corner ) Is formed to facilitate the attachment and replacement and repair of the light guide plate 30 and the light diffusion plate 20 that are mounted inside,
The size of the four bent surfaces is formed to be 8 times longer than the size to which the light diffusing plate 20 and the light guide plate 30 are attached to each other, and thus serves as an umbrella from which water does not reach in the case of rain;
A seating protrusion 103 is formed inside the entrance of the seating groove 101 on the front of the concrete retaining wall block 100, and a wire for supplying power to the LED lighting part 31 at the upper part of the concrete retaining wall block 100 So that the through hole 102 is formed; Retaining wall decoration block for night, characterized in that made.
The method of claim 1,
The front block 200 is
By forming the insertion through hole 202 vertically on the central front portion, the second pin portion 203 is inserted and attached to the insertion through hole 202 so as to contact the front surface of the decorative panel 50,
A retaining wall decoration block for night, characterized in that it supports the decorative panel 50 inserted into the seating groove 101 so as not to fall forward.
The method of claim 1,
The concrete retaining wall block 100 is
A retaining wall decoration block for night, characterized in that it is stacked at a certain distance to the rear so as not to be positioned on the same vertical line as the front of the front block 200.

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