KR101818754B1

KR101818754B1 - Building panels and assemble device for using the same

Info

Publication number: KR101818754B1
Application number: KR1020150102237A
Authority: KR
Inventors: 곽인학
Original assignee: 주식회사 광스틸; 곽인학
Priority date: 2015-07-20
Filing date: 2015-07-20
Publication date: 2018-02-21
Also published as: KR20170010513A

Abstract

The construction panel of the present invention comprises a body portion including a front surface and a rear surface opposed to the front surface, an upper protruding portion protruding in a first direction (Y-axis direction) from an upper surface positioned between an upper end of the front surface and an upper end of the rear surface, (Y-axis direction) from the lower side positioned between the lower end of the front surface and the lower end of the back surface, a lower-end depression recessed in the first direction (X-axis direction) which is a crossing direction, and a side end depression which is located between the right end of the front surface and the right end of the rear surface and is recessed from the right surface in the second direction (X-axis direction).
In this manner, by having a block-like structure, there is an effect that leakage and dew condensation preventing performance can be efficiently ensured.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a construction panel and an assembly structure using the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a construction panel and an assembly structure using the same, and more particularly, to a building structure having a block structure in which protrusions and depressions correspond to the upper and lower sides, left and right sides, respectively, And an assembly structure using the same.

In general, a construction panel called a metal panel, a sandwich panel, or the like has an advantage that a plurality of panels are connected to each other to constitute an outer wall of a building or a factory so that the building can be constructed in a short period of time at low cost.

After assembling a plurality of panels, the connecting part between the panel and the panel and the frame forming the frame of the building were fixed using fastening means.

In addition, there is a problem that a connection part between the panel and the panel is easily separated in the process of assembling a plurality of panels, and there is also a problem that foreign substances are introduced through the separated connection parts or leakage occurs.

It is an object of the present invention to solve the problems of the prior art described above, and it is an object of the present invention to provide a panel structure in which protrusions and depressions correspond to the upper and lower sides, left and right sides, respectively, And an assembly structure using the same.

In order to achieve the above object, a building panel according to an embodiment of the present invention includes a body portion including a front surface and a rear surface opposed to the front surface, a top surface positioned between the top surface of the front surface and the top surface of the rear surface, (Y-axis direction) from the lower side positioned between the lower end of the front surface and the lower end of the rear surface, and a lower end depression that is located between the left end of the front surface and the left end of the back surface, (X-axis direction) intersecting with the first direction (Y-axis direction) from the first surface and a right-side end of the front surface and a second-direction ).

The upper protrusion has a first protrusion length protruding from the upper end of the front surface to the upper end surface of the upper protrusion and a second protrusion length protruding from the upper end of the back surface to the upper surface of the upper protrusion differently. A first recessed length that is recessed to a lower end surface of the lower depressed portion and a second recessed length that is recessed from a lower end of the back surface to a lower end surface of the depressed lower portion are formed differently.

In addition, the side end protruding portion has a third protruding length protruding from the left end of the front surface to the top end surface of the side end protruding portion, and a fourth protruding length protruding from the left end of the back surface to the top surface of the side end protruding portion, The third recessed length is recessed from the right end to the lower end surface of the side end depression, and the fourth recessed length is recessed from the right end of the rear surface to the lower end surface of the side depression.

A second upper jaw is disposed between the upper end of the front surface and the upper end protruding portion and between the upper end of the rear surface and the upper end protruding portion where the step difference is different from the upper end protruding portion. And the height of the second upper jaw is different.

The width of the lower end surface of the lower depressed portion may be equal to or larger than the width of the upper end surface of the upper end protruding portion.

The width of the lower end face of the side end depression is formed to be equal to or larger than the width of the upper end face of the side end projection.

Further, the material of the side end protruding portion is formed of a material different from the material of the upper end protruding portion.

The side projections may be made of a material having a lower strength than that of the upper projections.

In order to achieve the above object, an assembly structure using a building panel according to an embodiment of the present invention includes a plurality of building panels, a frame that is fixedly coupled to one side of the wall and the other side is fastened to the building panel to support the building panel do.

And a fastening means for fastening the frame through the block type external channel so as to support the building panel in the frame.

In addition, a side panel of the building panel is assembled with a side-end protrusion of a building panel adjacent to the side-edge depression of the building panel in a second direction (X-axis direction) And the lower recessed portion of the lower plate is fitted.

The distance between the front surface of the building panel and the front surface of the building panel adjacent to the side surface depression of the building panel while the side surface protrusion of the building panel adjacent to the side in the second direction (X axis direction) Is formed to be longer than an interval between back surfaces of neighboring building panels.

The distance between the front surface of the building panel and the front surface of the building panel adjacent to the top surface of the building panel while the lower surface depression of the building panel adjacent to the top surface of the building panel in the first direction (Y axis direction) Is formed to be longer than the interval between the back surfaces of the building panels.

In addition, the present invention is characterized in that a foreign matter prevention part for preventing foreign matter or liquid from penetrating from outside is provided between side end projecting parts of the building panel adjacent to the side end depression of the building panel in the second direction (X axis direction).

Further, the foreign matter prevention portion includes a material having elasticity.

The construction panel and the assembly structure using the same according to the present invention are formed in a block structure in which protrusions and depressions correspond to the upper and lower sides, left and right sides of the panel, respectively, to facilitate assembling between the panels, Can be remarkably lowered.

In addition, since the upper and lower side surfaces and the left and right side surfaces of the panel are each formed with a block structure in which protrusions and depressed portions correspond to each other, the process can be simplified.

In addition, since the protruding portions and the depressed portions are formed on the upper and lower side surfaces and the left and right side surfaces of the panel so as to correspond to the block type structure, leakage and dew condensation preventing performance can be efficiently ensured.

1 is a perspective view of an assembly structure using a building panel according to an embodiment of the present invention,
2 is a plan view of an assembly structure using a building panel according to an embodiment of the present invention,
3 is a view for explaining that a building panel according to an embodiment of the present invention and a neighboring building panel are sequentially fitted,
4 to 7 are perspective views of a building panel according to an embodiment of the present invention,
8 is a left side view of a building panel according to an embodiment of the present invention,
9 is a right side view of a building panel according to an embodiment of the present invention,
10 is a plan view of a building panel according to an embodiment of the present invention,
11 is a bottom view of a building panel according to an embodiment of the present invention,
FIG. 12 is a view showing an inner space by cutting a building panel according to an embodiment of the present invention,
13 is a cross-sectional view of a side panel of a building panel according to an embodiment of the present invention,
14 is a perspective view of a construction panel according to another embodiment of the present invention,
15 is a left side view of a building panel according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Like reference numerals throughout the specification denote substantially identical components. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description, a detailed description of known technologies or configurations related to the present invention will be omitted when it is determined that the gist of the present invention may be unnecessarily obscured. In addition, the component names used in the following description may be selected in consideration of easiness of specification, and may be different from the parts names of actual products.

1 to 3, an assembling structure 100 using a building panel according to an embodiment of the present invention may include a building panel 110a, a frame 200, and a fastening means 300.

The building panels 110a, 110b, 110c, and 110d are formed in a rectangular shape having a constant thickness. The building panels 110a, 110b, 110c and 110d include body portions 111a and 111b, an upper projection 112, a lower projection 113, a side projection 114 and a side projection 115. [

The body portions 111a and 111b are formed in a rectangular shape having a predetermined thickness, and a heat insulating material 400 (see FIG. 12) may be embedded therein. At least one of the fastening holes 120 to be fastened to the fastening means 300 to be described later is disposed on the upper portions of the body portions 111a and 111b. The fastening holes 120 (see FIG. 3) are formed through the body portions 111a and 111b with a predetermined diameter. It is preferable that the fastening holes 120 are disposed at the upper ends of the body portions 111a and 111b, respectively, and are disposed at both side ends thereof.

The side end depressed portion 114 is formed while being protruded in a second direction (X axis direction) transversely from the left side surface of the body portions 111a and 111b. The side end depressed portion 115 is formed on the right side surface In the second direction (X-axis direction). The present invention is not limited thereto. When the side end projection 114 is located on the right side, the side end depression 115 may be located on the left side. That is, the side end protrusion 114 and the side end depression 115 may be located on the left side or the right side so as to correspond to each other.

The upper end protrusion 112 protrudes in the first direction (Y axis direction) from the upper side of the body portions 111a and 111b and the lower end depression 113 protrudes from the body portions 111a and 111b. (The Y-axis direction) from the lower side of the substrate.

In this way, since the building panel 110a is formed, it can be easily assembled with neighboring building panels 110a. The construction panel 110a will be described later in detail.

The frame 200 is formed in a polygonal columnar shape. The frame 200 is disposed between the building panel 110a and the wall. One side of the frame 200 is fastened to the wall and fixed, and the other side is fastened to the building panel 110a to support the building panel 110a.

The building panel 110a may be spaced apart from the wall by the thickness of the frame 200. [

Further, although not shown, the plurality of frames 200 may be arranged at a constant interval on the wall. In this way, the plurality of frames 200 are arranged, and the building panels 110a can be easily assembled one by one in block form.

The fastening means 300 can fix the building panel 110a to the frame 200 fixed to the wall. The fastening means 300 may be fastened to the frame 200 through the building panel 110a. The fastening means 300 may include a bolt, a screw, or the like, which is one of fastening mechanisms that convert rotational motion into linear motion. The fastening means 300 is not limited to this and may be any shape as long as the building panel 110a can be fastened and fixed to the frame 200.

The assembly structure 100 using the building panel according to the embodiment of the present invention described above can be sequentially assembled as shown in FIG.

The building panel 110a can be assembled with the neighboring building panels 110b and 110c sequentially. The side end depression 115 of the building panel 110a is assembled by fitting the side end protrusion 114 of the building panel 110b adjacent to the side in the horizontal direction (X axis) Can be assembled while being fitted into the lower depression 113 of the building panel 110c adjacent to the vertical direction (Y axis).

That is, the building panel 110a is installed corresponding to the frame 200 fixed to the wall, and can be fastened to the frame 200 by using the fastening means 300. When the building panel 110a is fixed, the side end protruding portion 114 of the neighboring building panel 110b is fitted so as to correspond to the side end depression 115 of the building panel 110a. When the neighboring building panel 110b is assembled into the building panel 110a, the building panel 110b adjacent to the horizontally adjacent building panel 110b can be fixed to the frame 200 using the fastening means 300. [

In this manner, the plurality of building panels 110a and 110b can be assembled sequentially in the horizontal direction (X axis).

When a plurality of building panels 110a and 110b are sequentially assembled along the horizontal direction (X axis), the building panels adjacent to each other in the vertical direction (Y axis) corresponding to the upper end projecting portions 112 of the building panel 110a 110c are assembled by sandwiching the lower depressed portion 113 therebetween. When the building panel 110c neighboring in the vertical direction (Y axis) is assembled into the building panel 110a in such a manner as to fit into the building panel 110a, the building panel 110c neighboring in the vertical direction (Y axis) It can be fixed to the frame 200.

When the vertically adjacent building panel 110c is fixed as described above, the side panels of the building panels 110d (see Fig. 1) adjacent horizontally to correspond to the side-end depressed portions 115 of the vertically adjacent building panels 110c The protrusion 114 can be inserted and assembled.

While repeating this process, the plurality of building panels 110a, 110b, and 110c can be assembled while being stacked in a block form.

In addition, while the side end protruding portion 110b of the building panel adjacent to the side end depression 115 of the building panel 110a in the second direction (X-axis direction) is fitted while being assembled, The interval W21 between the fronts of the building panels 110b is longer than the interval (not shown) between the back surface of the building panel 110a and the back surface of the neighboring building panel 110b.

Preferably, the back surface of the building panel 110b adjacent to the back surface of the building panel 110a is disposed so as to be substantially in contact with each other.

While the lower end depression 113 of the building panel 110c adjacent to the upper end projection 112 of the building panel 110a is fitted while being assembled in the first direction (Y axis direction), the front surface of the building panel 110a And the gap W11 between the fronts of the neighboring building panels 110c are longer than the gap between the backside of the building panel 110a and the backside of the neighboring building panel 110c.

Preferably, the back surface of the building panel 110a and the back surface of the building panel 110c adjacent to the back surface of the building panel 110a are disposed to be in contact with each other.

By assembling in this manner, aesthetic appearance can be improved externally, and insulation and prevention of condensation can be improved internally. In addition, it can also serve as a water channel to easily flow down from the rainwater using the space W21 between the front surface of the building panel 110a and the front surface of the building panel 110b adjacent thereto.

3, the side end protrusion 114 is located at the left end of the building panel 110a and the side end depression 115 is located at the right end of the building panels 110a, 110b, and 110c. However, Although the side end depression 115 is located at the left end of the building panels 110a, 110b and 110c and the side end protrusion 114 is located at the right end of the building panels 110a, 110b and 110c, May be substantially the same as the assembly structure 100 using the block type external panel according to the embodiment of FIG.

As such, the building panels 110a, 110b, and 110c are assembled with the building panels 110a, 110b, and 110c adjacent to the building panels 110a, 110b, and 110c horizontally or vertically.

4 to 13, a building panel 110a according to an embodiment of the present invention includes body portions 111a and 111b, an upper projection 112, a lower projection 113, a side projection 114, (115).

The body portions 111a and 111b include a front surface 111a formed in a rectangular shape having a predetermined thickness and a rear surface 111b formed in a rectangular shape and disposed with a predetermined distance from the front surface 111a.

The body portions 111a and 111b are formed in a hollow shape in which the interior is hollow, and the heat insulating material 400 can be filled in the empty space. Such a heat insulating material 400 melts the glass ores and artificially fibrillates the glass ores, such as glass wool and basalt, formed by the SiO 2 chemical composition. The SiO 2 -Al 2 O 3-CaO system Mineral wool and urethane foam formed from a chemical composition, and the like.

At the upper end of the front surface 111a, a first upper jaw 116a is disposed at a position lower than a flat area of the front surface 111a. That is, between the upper end of the front surface 111a and the upper end protrusion 112, a first upper step 116a having a difference in height in the third direction (Z-axis direction) may be disposed.

At the upper end of the rear face 111b, a second upper end boss 116b is disposed in a position lower than the flat area of the rear face 111b. A second upper jaw 116b may be disposed between the upper end of the back surface 111b and the upper end protruding portion 112 and has a difference in level in the third direction (Z-axis direction).

The height g11 of the first upper jaw 116a may be different from the height g21 of the second upper jaw 116b.

In addition, the thickness of the body portions 111a and 111b may be less than 100T. The thickness of the front surface 111a and the thickness of the back surface 111b may be formed differently. The thickness of the front surface 111a is preferably larger than the thickness of the back surface 111b. At this time, the thickness of the front surface 111a may be less than 20T.

The upper projection 112 protrudes in the first direction (Y-axis direction) from the upper side positioned between the upper end of the front face 111a and the upper end of the rear face 111b. The upper protrusion 112 may be formed to be long along the second direction (X-axis direction) while protruding in the first direction (Y-axis direction).

The upper protrusion 112 has a first protrusion length h11 projecting from the upper end of the front surface 111a to the upper end surface of the upper protrusion 112 from the upper end of the back surface 111b to the upper surface of the upper protrusion 112 And may be formed differently from the second projecting length h21. The first projecting length h11 is preferably substantially equal to or longer than the second projecting length h21.

The lower depression 113 is recessed in the first direction (Y-axis direction) from the lower side positioned between the lower end of the front face 111a and the lower end of the rear face 111b. The lower depression 113 may be formed long along the second direction (X-axis direction) in a depressed state in the first direction (Y-axis direction). The width t2 of the lower end surface of the lower depression 113 is preferably substantially the same as or larger than the width t1 of the upper end surface of the upper end projection 112. [

The lower concave portion 113 has a first concave length h12 which is recessed from the lower end of the front surface 111a to the lower end surface of the lower concave portion 113 from the lower end of the rear surface 111b to the lower concave portion 113 And may be formed differently from the second concave length h22 which is recessed to the lower surface. That is, the first recessed length h12 is preferably longer than the second recessed length h22.

The side end protruding portion 114 protrudes in the second direction (X-axis direction) from the left side located between the left end of the front surface 111a and the left end of the back surface 111b. The side end protruding portion 114 may be formed to be long along the first direction (Y-axis direction) in a state of being protruded in the second direction (X-axis direction).

The side end protruding portion 114 has a third protruding length h31 protruding from the left end of the front surface 111a to the top end surface of the side end protruding portion 114 from the left end of the back surface 111b to the top surface of the side end protruding portion 114 And may be formed to be substantially the same as the protruding fourth projection length h41.

The side end depression 115 is recessed in the second direction (X-axis direction) from the right side located between the right end of the front surface 111a and the right end of the back surface 111b. The side end depression 115 may be formed long along the first direction (Y-axis direction) in a depressed state in the second direction (X-axis direction).

The side end depression 115 has a third depression length that is recessed from the right end of the front surface 111a to the bottom end surface of the side end depression 115 to the bottom end surface of the side end depression 115 from the right end of the back surface 111b May be formed differently from the fourth concave-convex length (h41). That is, the third concave length may be shorter than the fourth concave length h42.

The width t4 of the lower end surface of the side end depression 115 is preferably equal to or larger than the upper surface width t3 of the side end protrusion 114. [

In addition, the material of the side end protrusion 114 may be formed of a material different from that of the upper end protrusion 112. Preferably, the material of the side end protrusion 114 is formed of a material having a strength lower than that of the upper end protrusion 112.

The side end protrusion 114 or the side end depression 115 is formed of a material having a lower strength than the material of the upper end protrusion 112, so that the end protrusion 114 or the side end depression 115 can be easily manufactured by an injection method. That is, the side-end protruding portion 114 or the side-end depressed portion 115 may have many difficulties in manufacturing a steel plate having high strength. Accordingly, the steel sheet can be easily manufactured by injection molding using a material having lower strength than the steel sheet.

Here, the side end protrusion 114 or the side end depression 115 may include aluminum, PVC, or the like.

As shown in FIG. 13, the side end protruding portion 114 or the side end depressed portion 115 manufactured by the injection molding method can be fixed to the body portions 111a and 111b to be firmly fixed.

That is, the body portions 111a and 111b are fastened while enclosing a side end protrusion 114 or a part of the side end depression 115 manufactured by the injection method, so that the side end protrusion 114 or the side end depression 115, (111a) and (111b).

Although not shown, foreign matter or liquid penetrates into the side end protruding portions 114 of the building panel 110a adjacent to the side end depression 115 of the building panel 110a in the second direction (X-axis direction) (Not shown) for preventing a foreign matter from being generated. The foreign matter prevention part (not shown) may include a resilient material.

In this way, not only the buffering action between the building panels 110a can be performed through the foreign matter preventing unit (not shown) including the elastic material, but also the building panel 110a adjacent to the front surface 111a of the building panel 110a, The rainwater flowing in the interval formed between the front surface 111a of the air conditioner 1 can be effectively blocked.

14 to 15, the building panels 510a and 510c according to another embodiment of the present invention includes body portions 511a and 511b, an upper projection 512, a lower projection 513, a side projection 514, Side depressed portion 515 as shown in FIG.

In Figs. 14 to 15, the parts overlapping with the building panel 110a according to the embodiment of the present invention described in Figs. 1 to 13 will be omitted.

The upper projection 512 protrudes in the first direction (Y-axis direction) from the upper side positioned between the upper end of the front face 511a and the upper end of the rear face 511b. The upper protrusion 512 may be formed to be long along the second direction (X-axis direction) while being protruded in the first direction (Y-axis direction), and may be formed such that the upper end thereof is inclined. That is, as shown in Fig. 15, the upper end surface of the upper end projection 512 gradually tapers down from the upper end of the back surface to the upper end of the front surface.

The upper protrusion 512 has a first protrusion length protruding from the upper end of the front surface 511a to the upper end surface of the upper protrusion 512 and protruding from the upper end of the back surface 511b to the upper surface of the upper protrusion 512. [ 2 protrusion length. The first projecting length is preferably substantially equal to or longer than the second projecting length.

The lower depressed portion 513 is recessed in the first direction (Y-axis direction) from the lower side positioned between the lower end of the front face 511a and the lower end of the rear face 511b. The lower depressed portion 513 may be formed to be long along the second direction (X-axis direction) in a depressed state in the first direction (Y-axis direction), and may be formed such that the lower end surface thereof is inclined. As shown in Fig. 15, the lower end surface of the lower depression portion 513 is gradually tilted as it goes from the lower end of the back surface to the lower end of the front surface.

At this time, the inclination formed by inclining the lower end surface of the lower depression part 513 is substantially the same as the inclination formed by inclining the upper end surface of the upper end projection part 512. That is, the lower end surface of the lower depression 513 may be formed to substantially correspond to the upper end surface of the upper end projection 512.

The width of the lower end surface of the lower concave portion 513 is preferably substantially the same as or larger than the width of the upper end surface of the upper end projection 512.

The lower depressed portion 513 has a first depression length that is recessed from the lower end of the front surface 511a to the lower end surface of the lower depression portion 513 from the lower end of the rear surface 511b to the lower end surface of the lower depression portion 513 And may be formed differently from the second recessed length. That is, the first recessed length h12 is preferably longer than the second recessed length.

The upper end surface of the upper end projection 512 and the lower end surface of the lower end depression 513 are inclined at a predetermined angle so that the distance between the top surface of the building panel 510c adjacent to the front surface 511a of the building panel 510a The rainwater flowing along the gap formed between the front surface 511ac can easily flow to the lower end surface of the inclined bottom depression 513. As a result, the rainwater permeable to the back surface can be blocked more efficiently.

15, even if the upper end surface of the inclined upper end protrusion 512 and the lower end surface of the inclined lower end depression 513 are fastened in a block form, Since it is not visible at all, it can be finished neatly in appearance.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification, but should be defined by the claims.

100: Assembly structure using a building panel
110a, 110b, 110c, 110d, 510a, 510c:
111a, 511a: front surface 111b, 511b: rear surface
112, 512: upper projection 113, 513: lower projection
114, 514: side end projection 115, 515: side end depression
116a: first upper jaw 116b: second lower jaw
200: frame 300: fastening means
400: Insulation

Claims

A body portion including a front surface and a rear surface opposed to the front surface;
An upper protrusion located between an upper end of the front surface and an upper end of the rear surface and projecting in a first direction (Y axis direction) from a horizontal upper side surface of the front surface and a horizontal upper side surface of the rear surface;
A lower concave portion positioned between the lower end of the front surface and the lower end of the rear surface and being recessed in the first direction (Y-axis direction) from the horizontal lower side surface of the front surface and the horizontal lower side surface of the rear surface;
(X-axis direction) intersecting with the first direction (Y-axis direction) from the left side surface of the front surface and the left side surface of the rear surface, which are located between the left end of the front surface and the left end of the rear surface A projecting side end projection; And
And a side depression located between the right end of the front surface and the right end of the rear surface and recessed from the right surface of the front surface and the right surface of the rear surface in the second direction (X axis direction)
The upper end surface of the upper projection is inclined toward the front surface,
The lower end surface of the lower concave portion is inclined toward the rear surface,
The inclination of the inclined upper end face of the upper end projection and the inclination of the inclined lower end face of the lower end depression are the same,
A first protrusion length protruding from a left end of the front surface and a second protrusion length protruding from a left end of the rear surface are formed in the side end protrusion,
A third recessed length that is recessed at the right end of the front surface at the side end depression and a fourth recessed depth that is recessed at the right end of the rear surface are formed differently,
Wherein the first and second protruding lengths are longer than the third recessed length and are formed to be equal to the fourth recessed length.

The method according to claim 1,
Wherein the upper protrusion has a first protrusion length protruding from an upper end of the front surface to an upper end surface of the upper protrusion and a second protrusion length protruding from an upper end of the rear surface to an upper surface of the upper protrusion,
Wherein the lower end recess is formed to have a first recessed length that is recessed from a lower end of the front surface to a lower end surface of the lower recessed portion and a second recessed length that is recessed from a lower end of the rear surface to a lower end surface of the lower recessed portion. panel.

delete

The method according to claim 1,
A first upper jaw having a level difference between the upper end of the front surface and the upper end protrusion and a second upper jaw having a level difference between the upper end of the rear surface and the upper end protrusion,
Wherein a height of the first upper jaw and a height of the second upper jaw are different from each other.

The method according to claim 1,
Wherein a width of the lower end surface of the lower depressed portion is equal to or greater than a width of the upper end surface of the upper end protruding portion.

The method according to claim 1,
And the width of the lower end surface of the side end depression is formed to be equal to or larger than the width of the upper end surface of the side end projection.

The method according to claim 1,
Wherein the side projecting portion is formed of a material different from or different from that of the upper projecting portion.

3. The method of claim 2,
Wherein the first protrusion length is longer than the second protrusion length.

A plurality of building panels including the first claim;
A frame having one side fixed to the wall and fixed and the other side connected to the building panel to support the building panel;
And an assembly structure using the building panel.

10. The method of claim 9,
And a fastening means for fastening the frame to the frame through the frame so that the frame is supported by the frame.

10. The method of claim 9,
A side end protruding portion of a building panel adjacent to a side end depression of the building panel in a second direction (X-axis direction) is fitted and assembled,
And a lower end recess of the building panel adjacent to the upper end of the building panel in a first direction (Y-axis direction) is fitted to the upper end of the building panel.

12. The method of claim 11,
Wherein the gap between the front surface of the building panel and the front surface of the building panel adjacent to the side surface depression of the building panel while the side surface protrusion of the building panel adjacent in the second direction (X axis direction) And the rear surface of the building panel is longer than the rear surface of the building panel adjacent to the back surface.

12. The method of claim 11,
Wherein a gap between the front surface of the building panel and a front surface of the building panel adjacent to the top surface of the building panel while assembling the lower surface depression of the building panel adjacent to the top surface of the building panel in the first direction And a rear surface of the building panel adjacent to the rear surface of the building panel.

10. The method of claim 9,
And a foreign matter prevention part for preventing foreign matter or liquid from penetrating from the outside between the side end protrusions of the building panel adjacent to the side end depression of the building panel in the second direction (X axis direction). Assembly structure.

15. The method of claim 14,
Wherein the foreign matter prevention part includes a material having elasticity.