JP7245641B2 - corner panel - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner panel suitable for use in forming corners, particularly external corners, of walls of building structures.

Sandwich panels, which have a laminated structure in which a heat insulating material is sandwiched between two metal plates, are lightweight, high strength, and have the advantage of being able to efficiently manufacture long materials. It is widely used as exterior wall materials and roofing materials for building structures such as general houses and livestock barns.

In particular, there is known a sandwich panel provided with a cap for hiding a screw member for fixing the panel from the outside.

By the way, in a conventional corner panel which is arranged between wall panels to form an external corner or an internal corner, as shown in FIG. Although it is common to enhance the effect, the deterioration of the sealing material due to ultraviolet rays is inevitable, and in the building structure using this type of panel, the sealing material needs to be periodically inspected and replaced. It has become, and the improvement was demanded.

Japanese Patent No. 3374072 Japanese Unexamined Patent Application Publication No. 2017-20192

SUMMARY OF THE INVENTION An object of the present invention is to provide a highly durable corner panel capable of maintaining high water cutoff properties over a long period of time while ensuring excellent heat insulating properties, airtightness, and workability.

The present invention consists of a sandwich structure in which a core material is sandwiched between an outer skin material and an inner skin material, and an upper joint provided at one end of the outer cover material is fitted to a lower joint of an adjacent wall panel. , by fitting the lower joint provided at the other end of the skin material to the upper joint of another adjacent wall panel, the output between the adjacent wall panel and another adjacent wall panel A corner panel forming a corner,
The outer skin material includes a first outer wall portion forming a wall surface along the outer surface of the adjacent wall panel, and a curved portion connected to the first outer wall portion to form a wall surface along the outer surface of the adjacent wall panel. a second outer wall forming a wall along the surface,
The inner skin material has a first inner wall portion along the first outer wall portion and a second inner wall portion connected to the first inner wall portion via a bent portion and along the second outer wall portion. and
The upper joint includes a joint body connected to the end of the first outer wall portion and covering the lower joint of the adjacent wall panel, and a hook connected to the tip of the joint body and extending to the back side of the joint body. and a piece connected to the tip of the hook-shaped piece, which can be fitted to the lower joint of the adjacent wall panel by springback of at least one of the joint body and the hook-shaped piece, and which itself is elastically deformable. consists of a curling section,
The lower joint includes a groove portion connected to the end portion of the second outer wall portion and having the same shape and size as the curling portion, into which the curling portion can be inserted, and the curling portion projecting into the groove portion. The inner skin material consists of an overhang part into which curling parts of the same shape and size are fitted, and a land part connected to the base end of the overhang part and forming a top surface along the outer surface of the outer skin material. The facing end of the lower joint has a concave portion or a convex portion for fitting a convex portion or concave portion of another adjacent wall panel to form a real joint, and the facing side end of the upper joint has , has a protrusion or recess that fits into a recess or protrusion in an adjacent wall panel to form a real joint, and the protrusion or recess at the end of the inner skin facing the upper joint extends from its upper end Furthermore, the corner panel has a rising piece capable of abutting against the end face of another wall panel arranged adjacent to the corner panel .

In the building material panel having the above configuration,
a. The curling portion is made of a bent piece having a circular, elliptical, polygonal or rectangular cross-sectional shape,
b . the lower joint having a recess adjacent to the land portion into which a drill screw is driven to secure the corner panel to the substrate;
c . The recess includes a side wall connected to the land portion, a bottom wall connected to the lower end of the side wall and forming a bearing surface of the drill screw, and a vertical wall portion connected to the bottom wall in an upright position and forming an end face of the lower joint. consisting of
d . The groove portion includes an inclined side wall connected to an end portion of the outer skin material, and an inclined side wall having one end connected to the lower end of the inclined side wall and the other end connected to the lower end of the overhang portion with a reverse gradient to the inclined side wall,
e . The outer skin material and the inner skin material are made of any one selected from galvanized steel plates, aluminum zinc alloy plated plates, stainless steel plates, aluminum plates, copper plates, or coated and coated steel plates thereof, and the core material is foamed plastic. or mineral fiber-based insulation;
f . the hook-shaped piece of the upper joint forms a reduced-pressure space with the lower joint of the adjacent wall panel when the curling portion is fitted to the lower joint of the adjacent wall panel;
g . The core member has an end surface located at the end of the lower joint and an end surface located at the end of the upper joint;
h . The core member has, on its end surface, a protruding portion that protrudes toward the base end of the upper joint;
is preferable as a specific means for solving the problem.

According to the present invention, the curling portion of the upper joint is fitted to the lower joint of the adjacent wall panel, and the curling portion of the upper joint of another adjacent wall panel (the same shape as the curling portion of the upper joint) is fitted to the lower joint. It is possible to connect panels with high connection strength with a one-touch operation of fitting them together, and it is possible to efficiently form the external corners of the walls of building structures. can.

Further, according to the present invention, the joint main body of the upper joint is connected to the end of the first outer wall portion of the outer skin material while maintaining a horizontal state, so that a flat outer joint can be obtained when joining with the wall panel. A surface is formed.

In addition, according to the present invention, when joining building material panels, the recesses of the inner skin material are fitted into the protrusions of the adjacent wall panel to form a real joint, and the protrusions of the inner skin material are fitted into the recesses of the adjacent wall panel. Since a real joint is formed by fitting into the corner panel, the connection strength between the corner panel and the wall panel is increased.

Further, according to the present invention, it is possible to fix the corner panel to the base material by providing a recess adjacent to the land portion that constitutes the lower joint and driving a drill screw into this recess. After the joining with the panel is completed, the drill screw is not exposed on the outer surface of the corner panel and the beauty is maintained. Also, corrosion of the drill screw can be prevented.

Further, according to the present invention, the recess is composed of a side wall connected to the land portion, a bottom wall connected to the lower end of the side wall and forming the bearing surface of the drill screw, and an end face of the lower joint connected to the bottom wall in an upright position. By constructing the vertical wall portion forming the , it becomes possible to utilize the recess as an inner gutter, and watertightness and water stop performance can be improved.

In addition, according to the present invention, the groove is formed of an inclined side wall connected to the end of the outer skin material, and an inclined side wall having one end connected to the lower end of the inclined side wall and the other end connected to the lower end of the overhang portion with a slope opposite to the inclined side wall. By using the side wall, it becomes possible to insert a finger into this part and hook the finger on the overhang part, so that the corner panel can be transported safely by avoiding the fall of the corner panel.

Further, according to the present invention, the hook-shaped piece of the upper joint forms a pressure-reduced space between the lower joint of the adjacent wall panel, so that rainwater or the like is not sucked in by the osmotic pressure phenomenon in the curling section. Even if rainwater or the like is drawn in, it can be efficiently discharged through the decompression space.

Furthermore, according to the present invention, the separation of the core material from the outer skin material can be suppressed by providing the protruding portion protruding toward the proximal end of the upper joint on the end surface of the core material.

1 is an external perspective view schematically showing an embodiment of a corner panel according to the present invention; FIG. 1 is an external perspective view schematically showing an embodiment of a corner panel according to the present invention; FIG. Figure 3 is a cross-sectional view of the corner panel shown in Figures 1 and 2; FIG. 10 is a cross-sectional view showing a portion of an example in which a corner panel according to the present invention is used to form an external corner of a wall of a building structure between adjacent wall panels and another adjacent wall panel. FIG. 5 is an external perspective view of an external corner of the architectural structure shown in FIG. 4; FIG. 4 illustrates how a corner panel according to the present invention is used to form an external corner of a wall of a building structure; FIG. 4 illustrates how a corner panel according to the present invention is used to form an external corner of a wall of a building structure; FIG. 4 illustrates how a corner panel according to the present invention is used to form an external corner of a wall of a building structure; FIG. 4 illustrates how a corner panel according to the present invention is used to form an external corner of a wall of a building structure; Fig. 3 schematically shows another embodiment of a corner panel according to the invention; It is the figure which showed the joining condition with the adjacent wall panel and another adjacent wall panel. Fig. 3 shows yet another embodiment of a corner panel according to the invention; (a) is a diagram showing an example in which the overhang portion of the lower joint and the boundary between the overhang portion and the groove portion are bent, and (b) is a diagram showing the land portion and the overhang portion. It is a diagram showing an example in which corner bending is applied to the boundary between, an overhang portion, and the boundary between the overhang portion and the groove portion, and (c) is a diagram showing an example in which corner bending is applied to the boundary between the land portion and the overhang portion. , an overhang portion, and an example in which the boundary between the overhang portion and the groove portion is subjected to R-bending. (a) is a diagram showing an example in which the hook-shaped piece and the curling portion of the upper joint are bent with an R, and (b) and (c) are corner bends of the hook-shaped piece and the curling portion. It is the figure which showed the example which processed. FIG. 4 is a diagram showing a main part of the inner skin material; FIG. 4 is a diagram showing a main part of the inner skin material; It is the figure which showed the conventional external corner structure typically.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
1 and 2 are external perspective views schematically showing an embodiment of a corner panel according to the present invention, and FIG. 3 is a cross-sectional view of the corner panel shown in FIGS. .

FIG. 4 is a cross-sectional view showing a part of an example in which a corner panel according to the present invention is used to form a protruding corner of a wall of a building structure between an adjacent wall panel and another adjacent wall panel. , and FIG. 5 is an external perspective view thereof.

As the adjacent wall panel, one having a lower joint having the same structure as the lower joint of the corner panel according to the present invention is used, and as another adjacent wall panel, the upper joint of the corner panel according to the present invention is used as another adjacent wall panel. The one having the upper joint consisting of the same configuration as the is used.

Reference numeral 1 in FIGS. 1 to 5 is a core material, 2 is a skin material that forms the outer surface of a corner portion of a wall of a building structure, and 3 is an inner skin material that is positioned in a base material such as a pillar. A corner panel according to the present invention has a sandwich structure in which a core material 1 is sandwiched between an outer skin material 2 and an inner skin material 3 .

The skin material 2 includes a first outer wall portion 2a forming a wall surface along the outer surface of the adjacent wall panel P1, and another wall panel connected to the first outer wall portion 2a via a bent portion 2b and adjacent to the first outer wall portion 2a. and a second outer wall portion 2c forming a wall surface along the outer surface of P2. The inner skin material 3 includes a first inner wall portion 3a along the first outer wall portion 2a and a second outer wall portion 2c connected to the first inner wall portion 3a via a bent portion 3b. It is configured with a second inner wall portion 3c that extends along the inner wall portion 3c.

The core material 1 can be a foamed plastic or mineral fiber heat insulating material with a thickness of about 40 to 150 mm, and the outer skin material 2 and inner skin material 3 are galvanized with a thickness of about 0.2 to 1.0 mm. A steel plate, an aluminum-zinc alloy plated plate, a stainless steel plate, an aluminum plate, a copper plate, or a coated or coated steel plate thereof can be used. The thickness of the core material 1 is preferably about 75 mm, and the thickness of the outer skin material 2 and the inner skin material 3 is preferably about 0.5 mm.

Reference numeral 4 denotes an upper joint provided at the end of the first outer wall portion 2a of the outer skin material 2, and 5 a lower joint provided at the end portion of the second outer wall portion 2c of the outer skin material 1. is. The upper joint 4 and the lower joint 5 are integrally connected to the skin material 2, and are formed by subjecting a single plate material to a forming process such as roll forming.

The upper joint 4 includes a joint body 4a connected to the end of the first outer wall 2a of the skin material 2 and covering the lower joint 5' of the adjacent wall panel P1, and a joint connected to the tip of the joint body 4a. A hook-shaped piece 4b that wraps around to the back side of the main body 4a is connected to the tip of the hook-shaped piece 4b and is fitted to the lower joint 5' of the adjacent wall panel P1 by springback of at least one of the joint body 4a and the hook-shaped piece 4b. and a curling portion 4c that can be combined.

The curling portion 4c is made of a bent piece having a circular cross section, but it is also possible to apply an elliptical, polygonal, or rectangular cross section to the curling portion 4c. , and is not limited to the illustrated one. In particular, when the curling portion 4c has a circular cross-sectional shape, the bending radius (R) can be set to about 5 mm. Plating cracks can be avoided when The curling portion 4c itself is elastically deformable, thereby increasing the fitting strength.

The hook-shaped piece 4b has a shape that forms a pressure-reduced space e with the lower joint 5' of the adjacent wall panel P1, and rainwater is removed by the osmotic pressure phenomenon between the upper joint 4 and the lower joint 5'. Even if such suction occurs, the suction can be cut off (see FIG. 4).

The lower joint 5 includes a groove portion 5a into which a curling portion 4c'' having the same shape and size as the curling portion 4c can be inserted, and a groove portion 5a protruding into the groove portion 5a and having the same shape and the same size as the curling portion 4c. It is composed of an overhang portion 5b into which a curling portion 4c'' of a certain size is fitted, and a land portion 5c connected to the base end of the overhang portion 5b and forming a top surface along the outer surface of the outer skin material 2. As shown in FIG. Here, the curling portion 4c'' having the same shape and size as the curling portion 4c refers to the curling portion 4c'' of the upper joint 4'' provided on another adjacent wall panel P2.

The groove portion 5a of the lower joint 5 is composed of an inclined side wall connected to the end of the outer skin material 2 and an inclined side wall whose one end is connected to the lower end of the inclined side wall and whose other end is connected to the lower end of the overhang portion 5b with a slope opposite to that of the inclined side wall. Anything is applied.

Reference numeral 6 denotes an end portion of the inner skin material 3 on the opposite side of the lower joint 5, that is, a concave portion provided at the end portion of the first inner wall portion 3a. 3, that is, a protrusion provided on the second inner wall portion 3c. A real joint is formed by fitting a protrusion 7'' of another adjacent wall panel P2 into the recess 6, and a real joint is formed by fitting the protrusion 7 into a recess 6' of the adjacent wall panel P1. Form.

The convex portion 7'' of another adjacent wall panel P2 is fitted into the concave portion 6, and the convex portion 7 is fitted into the concave portion 6' of the adjacent wall panel P1, thereby forming an inner/outer double connection structure, that is, the outer skin material. Since the inner skin materials are connected to each other, the connection strength between the corner panels and the wall panels P1 and P2 can be increased.

Reference numeral 8 denotes a recess provided adjacent to the land portion 5c of the lower joint 5. As shown in FIG. A drill screw 9 is driven into the recess 8 to fix the corner panel to a base material such as a pillar. The recess 8 includes a side wall 8a connected to the land portion 5c, a bottom wall 8b connected to the lower end of the side wall 8a and forming a bearing surface for a drill screw, and an end face of the lower joint 5 connected to the bottom wall 8b in an upright position. It consists of a vertical wall portion 8c.

By providing such a recess 8, the drill screw 9 does not appear on the outer surface when the wall panel P2 is connected to another adjacent wall panel P2, and the appearance is maintained. Further, the recess 8 can be used as an inner gutter, and even if rainwater or the like enters from the mating surface of the upper joint 4'' and the lower joint 5 due to the osmotic pressure phenomenon, the rainwater that has entered can be prevented. etc. can be efficiently discharged through the recess 8 .

As the core member 1, it is preferable to apply one having an end surface 1a located at the end of the upper joint 4 and an end surface 1b located at the end of the lower joint 5. By arranging and sandwiching a sealing member g such as a packing between them, it is possible to improve the water stoppage and prevent the formation of gaps that cause thermal insulation failure.

The end face 1a of the core member 1 may be provided with a protruding portion 1a1 protruding toward the proximal end of the upper joint 4 by about 5 to 10 mm. Detachment of the core material 1 from the outer skin material 2 can be suppressed by the projecting portion 1a1. The protruding surface of the protruding portion 1a1 may be straight or curved.

To form an external corner of a wall of a building structure using a corner panel according to the present invention, the curled portion 4c of the upper joint 4 of the corner panel is attached to the adjacent wall panel P1, as shown in FIGS. It is inserted into the groove 5a' of the lower joint 5', and while pulling the corner panel, the end face 1a of the core member 1 is butted against the end face 1b' of the adjacent wall panel P1 to connect the panels together, and a drill screw is inserted into the recess 8. 9 is driven in to fix the corner panel itself to a base material such as a pillar. Then, as shown in FIG. 9, the upper joint 4'' of another adjacent wall panel P2 may be fitted into the lower joint 5, thereby forming an external corner with a flat outer surface. It will be.

Since the curling portion 4c is fitted to the lower joint 5' of the adjacent wall panel P1 by springback of at least one of the joint main body 4a and the hook-shaped piece 4b, the corner panel can be connected to the wall panel with one touch. It is possible to simplify the construction work.

In addition, in the corner panel according to the present invention, when the upper joint 4 is fitted to the lower joint 5' of the adjacent wall panel P1, a joint having a width dimension of w is formed between them, and the lower joint 5 is When the upper joint 4'' of another adjacent wall panel P2 is fitted, a joint having a width w is formed between them (see FIG. 4).

A corner panel according to the present invention is vertically laid to form an outward corner. Further, according to the present invention, the corner panel can form an internal corner by reversing the bending direction of the outer skin material and the inner skin material.

FIG. 10 is a diagram schematically showing still another embodiment of the corner panel according to the present invention, and FIG. 11 is a diagram showing how the adjacent wall panel P1 and another adjacent wall panel P2 are joined together. It is a diagram showing.

In the corner panel shown in FIG. 10, the hook-shaped piece 4b of the upper joint 4, the curling portion 4c, the groove portion 5a of the lower joint 5, the overhang portion 5b, the land portion 5c, the concave portion 6, and the convex portion 7 are each subjected to corner bending. A concave portion 6 is provided on the side of the upper joint 4, a convex portion 7 is provided on the side of the lower joint 5, and a rising piece 10 is provided on the upper end of the concave portion 6 so as to be able to contact the end surface 1b' of the adjacent wall panel P1. It is.

In the corner panel according to the present invention, the hook-shaped piece 4b, the curling portion 4c, the overhang portion 5b, the land portion 5c, the concave portion 6, and the convex portion 7 of the upper joint 4 can be subjected to corner bending. In particular, the concave portion 6 and the convex portion 7 preferably have a tapered shape that tapers toward the tip, thereby increasing the strength of connection with the wall panels P1 and P2.

Moreover, the rising piece 10 improves the adhesion with the adjacent wall panel P1, and enables accurate and quick positioning when connecting the wall panels. When the shapes of the upper joint 4 and the lower joint 5 are changed in the corner panel according to the present invention, the shape of the lower joint 5' of the adjacent wall panel P1 and the upper joint 4'' of the adjacent wall panel P2. shall be changed to the same shape as the changed one.

FIG. 12 is a diagram showing another embodiment of the corner panel according to the present invention, in which a convex portion 7 is provided on the upper joint 4 side and a rising piece 10 is provided on the upper end of the convex portion 7. FIG.

The corner panels having such a structure also have improved adhesion to the wall panels P1 and P2, and can be positioned accurately and quickly when joining them.

FIGS. 13(a) to 13(c) are diagrams showing the lower joint 5 of the corner panel according to the present invention, and (a) shows the overhang portion 5b of the lower joint 5, the overhang portion 5b and the groove portion 5a. (b) shows corners at the boundary between the land portion 5c and the overhang portion 5b, the overhang portion 5b, and the boundary between the overhang portion 5b and the groove portion 5a. In (c), the boundary between the land portion 5c and the overhang portion 5b is subjected to corner bending, and the overhang portion 5b, the boundary between the overhang portion 5b and the groove portion 5a is rounded. It is a product that has undergone a bending process. FIGS. 14(a) to 14(c) are views showing the upper joint 4 of the corner panel according to the present invention. FIG. 14(a) is a bending process in which the hook-shaped piece 4b and the curling portion 4c are rounded. (b) and (c) are obtained by subjecting the hook-shaped piece 4b and the curling portion 4c to corner bending.

The lower joint 5 and the upper joint 4 can be freely combined in FIGS. 13(a) to (c) and FIGS. 14(a) to (c). 13(a) to (c) and FIGS. 14(a) to (c) show an example of the lower joint 5 and the upper joint 4, and are not limited to the illustrated ones. .

The inner skin material 3, particularly the upper end of the concave portion 6, may be provided with a bent piece 3a with an R as shown in FIG. may

ADVANTAGE OF THE INVENTION According to this invention, the corner panel excellent in the durability which can maintain high waterproofness for a long period of time can be provided, ensuring the heat insulation property, airtightness, and workability which were excellent.

1 Core materials 1a, 1b End faces 1a1, 1b1 Protruding part 2 Outer skin material 2a First outer wall part 2b Bent part 2c Second outer wall part 3 Inner skin material 3a First inner wall part 3b Bent part 3c Second Inner wall portion 4 Upper joint 4a Joint main body 4b Hook-shaped piece 4c Curling portion 5 Lower joint 5a Groove portion 5b Overhang portion 5c Land portion 6 Recess 7 Protrusion 8 Recess 9 Drill screw 10 Rising piece P1 Adjacent wall panel P2 Adjacent Another wall panel e Depressurized space g Seal member

Claims (9)

It has a sandwich structure in which a core material is sandwiched between an outer skin material and an inner skin material. An upper joint provided at one end of the outer skin material is fitted to a lower joint of an adjacent wall panel, By fitting the lower joint provided at the other end of the wall panel to the upper joint of another adjacent wall panel, an external corner is formed between the adjacent wall panel and another adjacent wall panel a corner panel,
The outer skin material includes a first outer wall portion forming a wall surface along the outer surface of the adjacent wall panel, and a curved portion connected to the first outer wall portion to form a wall surface along the outer surface of the adjacent wall panel. a second outer wall forming a wall along the surface,
The inner skin material has a first inner wall portion along the first outer wall portion and a second inner wall portion connected to the first inner wall portion via a bent portion and along the second outer wall portion. and
The upper joint includes a joint body connected to the end of the first outer wall portion and covering the lower joint of the adjacent wall panel, and a hook connected to the tip of the joint body and extending to the back side of the joint body. and a piece connected to the tip of the hook-shaped piece, which can be fitted to the lower joint of the adjacent wall panel by springback of at least one of the joint body and the hook-shaped piece, and which itself is elastically deformable. consists of a curling section,
The lower joint includes a groove portion connected to the end portion of the second outer wall portion and having the same shape and size as the curling portion, into which the curling portion can be inserted, and the curling portion projecting into the groove portion. Consists of an overhang portion for fitting curling portions of the same shape and size, and a land portion connecting to the base end of the overhang portion and forming a top surface along the outer surface of the skin material,
The inner skin material has, at the end on the facing side of the lower joint, a concave portion or a convex portion for fitting a convex portion or concave portion of another adjacent wall panel to form a real joint, and the facing side of the upper joint. has a protrusion or recess that fits into the recess or protrusion of the adjacent wall panel to form a real joint, and the end of the inner skin facing the upper joint has a protrusion or recess A corner panel, wherein the recess has a rising piece at its upper end that can abut against an end face of another wall panel arranged adjacent thereto . 2. The corner panel according to claim 1, wherein said curling portion comprises a bent piece having a circular, elliptical, polygonal or rectangular cross section. 3. The corner panel according to claim 1 , wherein the lower joint is provided adjacent to the land portion and has a recess into which a drill screw is driven to fix the corner panel to the substrate. The recess includes a side wall connected to the land portion, a bottom wall connected to the lower end of the side wall and forming a bearing surface of the drill screw, and a vertical wall portion connected to the bottom wall in an upright position and forming an end face of the lower joint. 4. A corner panel according to claim 3 , characterized in that it consists of: The groove portion is composed of an inclined side wall connected to an end portion of the outer skin material, and an inclined side wall having one end connected to the lower end of the inclined side wall and the other end connected to the lower end of the overhang portion with a slope opposite to that of the inclined side wall. A corner panel as claimed in any one of claims 1 to 4 . The outer skin material and the inner skin material are made of any one selected from galvanized steel plate, aluminum zinc alloy plated plate, stainless steel plate, aluminum plate, copper plate, or coated or coated steel plate thereof, and the core material is foamed plastic. 6. A corner panel according to any one of claims 1 to 5 , characterized in that it is made of a heat insulating material based on thermal or mineral fibers. 2. The hook-shaped piece of the upper joint forms a pressure-reduced space with the lower joint of the adjacent wall panel when the curling portion is fitted to the lower joint of the adjacent wall panel. 7. A corner panel according to any one of 6 . The corner panel according to any one of claims 1 to 7 , wherein the core member has an end face positioned at the end of the lower joint and an end face positioned at the end of the upper joint. 9. The corner panel according to claim 8 , wherein the core material has an overhanging portion on the end surface thereof, the overhanging portion projecting toward the base end of the upper joint.

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