JP3059507B2 - Substructure opening structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for accommodating a lower part of a building with a building panel (hereinafter simply referred to as a panel), a decorative cover (hereinafter simply referred to as a cover), and an external sash. It is. For more information,
The present invention relates to a lower opening structure of a building in which a cover is interposed in a gap between a panel and an external sash to improve waterproofness, airtightness, and design, and a normal cross joint is formed at a lower portion of the sash.

[0002]

2. Description of the Related Art Conventionally, as a structure of this type, as shown in FIG. 8, an end of a panel a is fixed to a wall foundation α by a fixing tool β, and is disposed and fixed in advance to the wall foundation α. the gap γ between the sash c and the panel a, the backup material d filled with further caulking material as fasteners β is hidden securing the panel a from the lower edge of the lower tongue c ₁ toward panel a sash c A structure for disposing and filling e has been devised.

[0003]

However, the gap γ between the sash c and the panel a is unsuitable for filling with the caulking material e. There was a significant defect in waterproofness and airtightness, for example, the portion was easily peeled off, rainwater or the like was transmitted to the wall foundation α and corroded the wall foundation α. Further, the caulking material e located below the backup material d was very thin, and was structurally unstable. Further, since the area occupied by the caulking material e appearing in the appearance is increased, the appearance is impaired, and there is a disadvantage that the aesthetic appearance is greatly deteriorated.

[0004]

According to the present invention, in order to eliminate such a drawback, a panel is fixed to a wall base by a fixing device, and the panel is attached to a lower tongue piece of an external sash previously fixed to the wall base. The gap between the sash and the panel is filled with the cover so that the fitting groove of the cover is inserted, and further, if necessary, the caulking process is performed between the sash and the cover, between the cover and the panel, and The present invention provides a lower opening structure of a building with improved waterproofness, airtightness, structural stability, and design property of the lower opening by forming a normal horizontal joint with the side wall and the lower end piece of the cover.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a structure according to the present invention. FIG. 1 shows a representative example of the lower structure of the opening of the above-mentioned structure, and the wall base α, panel A
This is a structure including a cover B and a sash C. The panel A has a male-female connection structure. For example, as shown in FIG. 2, the panel A has a sandwich structure including a front surface material 1, a back surface material 17, and a core material 20. Front material 1 and back material 1
7 is made of a metal sheet material or a synthetic resin material, such as Al, Fe, Cu, stainless steel, aluminum / zinc alloy-plated steel sheet, color steel sheet, enamel steel sheet, fluororesin coated steel sheet, clad steel sheet, sandwich steel sheet, etc. It is formed by press molding, extrusion molding, roll molding or the like.

More specifically, as shown in FIG. 3, the surface material 1 is formed by forming a gutter-like portion 1a from a horizontally long decorative surface portion 2, a male connecting portion 6, and a female connecting portion 12. The surface portion 2 is formed by side walls 3 and 4 in which both end edges in the longitudinal direction of the decorative surface 2a are bent inward at an arbitrary angle θ ₁ , and an underground base 5 in which a lower end edge of the side wall 3 protrudes outward. is there.

The male connecting portion 6 has an upper edge 8 protruding further outward at the tip of the basement 5, and a lower edge 9 bent at the tip of the upper edge 8 in a substantially U-shape. An edge 7, a concave fixing groove 10 formed in an upper edge 8 of the insertion edge 7, and a reinforcing piece 11 in which the tip of a lower edge 9 is bent inwardly in an L-shape.
As shown in FIG. 7, the insertion edge 7 is provided with a female connecting portion 12 described later.
And a portion functioning as a fixing portion for fixing the panel A to the wall base α by driving a fixing tool β such as a nail into the fixing groove 10 and being fixed to the wall base α. It is. The concave fixing groove 10 is formed to be larger than the height and width of the nail head of the fixing tool β so that the fixing tool β does not protrude above the surface of the basement 5 and engages the panel A. In this case, a gap is not formed at a contact portion between the upper surface 13 and the underground ground 5 and the upper edge 8 to be described later.
A gap is formed to prevent a capillary phenomenon and enhance waterproofness, and at the same time, from the tip of the insertion edge 7 to the upper edge 8 of the fixing groove 10.
1 up to a length of the side _1, when the length from the tip of Sakomien 7 to the tip of the reinforcing piece 11, l _2, the relation of l _1> l _2, striking the fastener β to the fixing groove 10 At the time of installation, the reinforcing pieces 11 are prevented from obstructing. The reinforcing piece 11 is interposed in the core material 20 to strengthen the integration of the surface material 1 and the core material 20, and the insertion edge 7 is inserted into the fitting groove 1.
This prevents the insertion edge 7 from being deformed by being pressed by the lower surface 14 when the insertion edge 5 is inserted, and serves to securely fix the insertion edge 7.

The female connecting portion 12 has a substantially U-shaped cross section from an upper surface 13 having a lower end edge of the side wall 4 bent inward, a lower surface 14 having a tip of the upper surface 13 bent outward, and an upper surface 13 and a lower surface 14. And a reinforcing piece 16 in which the tip of the lower surface 14 is bent inward. More specifically, if the length from the tip of the insertion edge 7 to the edge of the fixing groove 10 on the side wall 3 side is l ₃ , and the length of the upper surface 13 is l ₄ , l ₃
<The relation l _4, the head of the fastener β is covered with the upper surface 13 as shown in FIG. 7, waterproof, thereby improving the aesthetic appearance. The fitting groove 15 is a portion that is engaged with the insertion edge 7 of the male connecting portion 6 and fixes the panel A to the wall base α. The steps 2b and 2c formed on the decorative surface 2a are intended to make the joint three-dimensional and clarify the joint by making the decorative joint have a step shape, thereby improving the design.

As shown in FIG. 4, the back member 17 has an extended portion 18 in which one end of a long plate is bent inward in a U-shape substantially in parallel with the plate, and the other end is bent in a vertical direction. Further, a notch portion 19 formed by bending outwardly in a direction substantially parallel to the plate material is formed. In the drawing, the extension portion 18 and the notch portion 19 are formed.
Are bent upward to form stabilizing pieces 18a and 19a, function as a guide surface during engagement and a mold during production, and form a gutter-like portion 17a therefrom. The back member 17 covers the back surface of the core member 20 described later to form the panel A as a sandwich structure, thereby improving the mechanical strength of the panel A itself, as well as a non-combustible sheet, a waterproof film, a heat shielding sheet, a water absorbing sheet, a soundproof sheet, and the like. It is useful as one function such as a packing material.
Or asbestos paper, kraft paper, asphalt felt, metal foil (Al, Fe, Pb, C
u), a sheet obtained by laminating one or two or more of synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber nonwoven fabric, etc., a sheet subjected to waterproof treatment and flame retardant treatment, etc. Things. The attachment is formed integrally with a core member 20 described later, and the lower edge 9,
An engagement groove 21 having a concave cross section by the core material 20 and the extension portion 18 is formed.
An engaging piece 22 having a convex cross section is formed by the lower surface 14, the core member 20, and the notch 19, and the engaging groove 21 is engaged with the insertion edge 7 and the fitting groove 15 as shown in FIG. The panel A is fixed to the wall base α by engaging the engaging pieces 22 so as to drop them. Further, the extension portion 18 and the notch portion 19 are for greatly improving fireproofness, waterproofness (prevention of rainwater from entering the wall base α), and airtightness. The purpose of this is to prevent the flame from penetrating to the back surface 17b and to make the panel A pass the fire resistance test.
In the figure, in order to further improve the fire resistance, the surface material 1
And the back material 17 are formed so as not to contact with each other to prevent a thermal bridge.

The core material 20 is mainly made of synthetic resin foam and functions as a heat insulating material, a reinforcing material, a soundproofing material, a cushioning material, a fireproofing material, an adhesive material, and the like. For example, polyisocyanurate foam, phenol foam, Synthetic resin foams such as polyurea foam and polyimide foam, and flame retardants (borate, silicate, phosphate, etc.), flame retardant aids (gypsum slag, talc, shirasu balloon, etc.), bone Materials (perlite, glass beads, etc.), fibrous materials (long and short fibers), etc., phenol foam powder coated around pearlite, heated and pressurized to foam, or plaster Board, rock wool board, glass wool board, ALC, insulation board, wood chip board, glass wool, etc., single material or Those formed by combining a plurality of materials. Further, the core member 20 is formed by filling the trough-like portions 1a and 17a of the front surface member 1 and the back surface member 17 in the drawing, and preventing the front surface member 1 and the back surface member 17 from coming into contact with each other at the connection portion. Even if 1 is heated by a fire or the like, the heat is prevented from being transmitted to the back material 17, and the fire resistance, heat insulation, and dew condensation resistance are improved by preventing a thermal bridge.

The upper edge 8 is a portion to be cut out to accommodate the lower part of the opening of the structure. The panel A has a substantially concave surface with the upper edge 8 having a width corresponding to the length of the opening along the longitudinal direction. This is for cutting the male connecting portion 6 of the material 1, the extending portion 18 of the back material 17, and the core material 20 interposed therebetween. Note that, even after cutting, the panel A is fixed from the fixing portion 10 to the wall foundation α via the fixing tool β.

Next, the cover B is made of the surface material 1 of the panel A.
For example, it is formed by press forming or extrusion as shown in FIG. 5 or formed by roll forming as shown in FIG. More specifically, the cover B includes a decorative piece 23, a reinforcing portion 24 in which the decorative piece 23 is bent inward twice to form a substantially U-shape, and a reinforcing portion 24 which is bent outward twice to form a substantially U-shaped portion. A fitting groove 25 formed in a character shape,
Further, a fixing piece 26 extending the fitting groove 25 and a decorative piece 23
The those formed from the lower end piece 23a bent at an arbitrary angle theta ₂ to the outside. The decorative piece 23 is for protecting the fixing tool β fixing the panel A and for preventing the fixing tool β from appearing in the appearance. In addition, the reinforcing portion 24 improves the overall strength of the cover B,
In order to have a certain elastic force. Further fitting groove 25 is for interpolation factor stop fitted underneath tongues C ₁ described later to the sash C, to integrate the sash C and the cover B with a fastener β such a fixing piece 26 blind rivet It is for. The guide groove 26 which functions as a positioning guide for the fixing tool β is provided in the middle of the fixing piece 26.
a can also be formed. Further, the lower end piece 23a makes the panel A and the cover B come into close contact with each other, and contributes to the improvement of waterproofness and airtightness at the lower part of the opening. It is a portion formed to improve the design of the entire lower part of the opening.

Further, sash C is an external sash,
Substantially cross the horizontal rail pressing portion C ₂ perpendicular lower tongues C ₁ Metropolitan is L-shaped existing sash. The D is a caulking material, fixed piece 26 of the lower tongue C ₁ and the cover B sash C, and the lower end piece 23a and the panel A cover B between joint base 5 filled as needed, waterproof And the airtightness can be improved.

Here, the dimensional relationship of each part is shown in FIGS.
In brief, the total thickness of the sash C is T ₁ , the total thickness of the cover B is T ₂ , and the total thickness of the panel A is t.
₁ > T ₂ , T ₁ > t, T ₁ ≒ T ₂ + t, where the height of the lower tongue piece C ₁ of the sash C is H ₁ , and the total height of the cover B is H
_2, the depth of the fitting groove 25 of the cover B when the H _3, H ₁
> H ₃ , H ₂ > H ₃ . Further, the bending angle theta ₁ of the side wall of the surface material 1 panel A, the bending angle of the lower end piece of the cover B When theta _2, in theta ₁ ≒ theta ₂ relationship. In particular the dimensions of the panel A serves width of the panel A, the so-called t ₁ width W of the back 17b, the opening height of the engaging groove 21 of the back sheet 17, the thickness t ₂ of the engaging piece 22, The length from the tip of the insertion edge 7 to the edge on the upper edge 8 side of the fixing groove 10 is l ₁ , the length from the tip of the insertion edge 7 to the tip of the reinforcing piece 11 is l ₂ , of from the tip to the edge of the fixing groove 10 of the side wall 3 side lengths l _3, the length from the lower end of the side wall 4 to the deepest of the fitting groove 15 l _4, l ₅ the width of the lower edge 9, The length of the lower surface 14 is l ₆ , the length of the extension 18, the length of the notch 19 is l ₇ , l ₈ , the height from the decorative surface 2 a to the upper edge 8 of the insertion edge 7 is h ₁ , the decorative surface 2
The height from a to the upper surface 13 is h ₂ , and the height of the insertion edge 7 is h
₃ , the opening height of the fitting groove 15 is h ₄ , the height from the decorative surface 2a to the reinforcing pieces 11 and 16 is h ₅ and h ₆ , the height of the extension 18 and the notch 19 is h ₇ and h _8, a stable piece 18a from the back surface 17b, and the height up to the tip of the 19a and _{h 9, h 10, W =} 300~900mm position, t = 30 to 100 mm position,
t ₁ > t ₂ , h ₁ ≒ h ₂ , h ₃ <h ₄ , h ₅ ≒ h ₆ , h
_{7 ≒ h 8, h 9 ≒} h 10, l 1> l 2, l 3 <l 4, l 5
≒ l ₆ , l ₇ ≒ l ₈ .

Next, a construction example will be briefly described. Now, it is assumed that the lower opening structure of the building as shown in FIG. 1 is constructed using a panel A as shown in FIG. 2, a cover B as shown in FIG. 5, and an external sash C. As the panel A, a 0.5 mm thick color steel plate was used as the front surface material 1 and the back surface material 17, and as the core material 20, a phenol foam raw material in which pearlite particles were mixed was discharged, reacted and foamed. And cured.
The cover B is an extruded aluminum product having a thickness of 1.2 mm. Therefore, a sash C should be pre-installed on a steel base or a wall base α consisting of a main pillar, studs, a waterproof sheet, a heat insulating material and the like.
Is fixed, and then the fixing portion 10 of the panel A cut in a concave shape according to the width of the opening from the upper edge 8 is fixed to the wall base α via the fixing member β. Next, the fitting groove 25 of the cover B
The a fitting inserted cover B under the tongue C ₁ sash C via fasteners β such blind rivets to secure the sash C. If necessary, the lower end piece 23a and the panel A fixing piece 26, and a cover B of the lower sash C tongues C ₁ and the cover B
The space between the basements 5 is filled with the caulking material D.

What has been described above is merely an embodiment of the lower structure of the opening of the structure according to the present invention. As shown in FIG. 9, the panel A is backed up by the gap γ between the cover B, the sash C, and the wall base α. Material E can be filled, or urethane foam F can be injected in-situ as shown in FIG. FIGS. 11 to 16 show modified examples of the panel A, and FIGS.
Reference numeral 6 denotes a panel A in which a core material 20 is sandwiched between a front material 1 and a back material 17. In particular, FIGS. 14 to 16 show that a metal non-combustible plate is used for the front surface material 1 and the back surface material 17, phenol foam is used for the core material 20, and pearlite particles 27 are interposed in the core material 20 for the fire resistance 1 hour test. Panel A was accepted. Further, FIGS. 14 and 15 show a shape in which the open end and side surfaces of the panel A are completely covered by the front surface material 1 and the back surface material 17, and FIG.
This is Pal A, which covers both the front and side surfaces. As shown in FIG. 15, a nonwoven fabric 27a is interposed between the front member 1, the back member 17 and the core member 20 of the panel A to improve the adhesion between the front member 1, the back member 17 and the core member 20. At the same time, it is possible to obtain the panel A in which the mechanical strength of the entire panel A is improved. Also, FIGS. 17 (a), (b), and FIG.
FIGS. 8A and 8B show modified examples of the cover B, and FIGS.
(A) and (b) show a cover B in which a plurality of drain holes 29 are provided at a constant pitch in the fitting groove 25, and FIGS. This is the cover B provided.

[0017]

As described above, according to the under-opening structure of the structure according to the present invention, the gap between the panel and the sash under the opening is filled through the cover, so that it is not necessary to perform an unreasonable caulking process. In addition to being structurally stable, the workability can be improved, and the aesthetic appearance can be improved. The lower tongue piece of the sash is inserted into the fitting groove of the cover, and the cover is fixed to the sash via the fixing device. No rainwater due to fire, heat, wind and rain, etc., permeates into the wall foundation side. The decorative piece and the lower end piece of the cover can protect the fixing device fixing the panel to the wall base, and the fixing device is not exposed to the outside. The U-shaped reinforcement on the cover improves the overall strength of the cover and gives the decorative piece elasticity, so even if there is a slight error in the width between the panel and the sash, it can follow that error. , And furthermore, the fire and flame between the panel and the cover,
Rain water due to heat, wind and rain does not enter the wall base. If necessary, caulking can be applied to the contact points between the sash and the cover and between the cover and the panel, so that the waterproofness and airtightness of the lower part of the opening can be further improved. Since joints substantially the same as ordinary horizontal joints are formed by the side wall of the panel surface material and the lower end piece of the cover, the design of the entire lower part of the opening is not impaired. The opening lower structure of the structure with improved structural stability, workability, waterproofness, and airtightness. There are features and effects such as.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a typical example of a lower opening structure of a building according to the present invention.

FIG. 2 is an explanatory view showing a typical example of a building panel used in FIG.

FIG. 3 is an explanatory view showing a surface material of a building panel used in FIG. 2;

FIG. 4 is an explanatory view showing a back material of the building panel used in FIG. 2;

FIG. 5 is an explanatory diagram showing a typical example of a decorative cover used in FIG. 1;

FIG. 6 is an explanatory view showing a typical example of a decorative cover used in FIG. 1;

FIG. 7 is an explanatory view showing a connection structure of the building panels used in FIG. 2;

FIG. 8 is an explanatory view showing a conventional example of the lower structure of the opening of the building used in FIG. 2;

FIG. 9 is an explanatory view showing a conventional example of a lower structure of an opening of a building according to the present invention.

FIG. 10 is an explanatory view showing a conventional example of a lower structure of an opening of a building according to the present invention.

FIG. 11 is an explanatory view showing another example of the building panel used for the lower opening structure of the building according to the present invention.

FIG. 12 is an explanatory view showing another example of the building panel used for the lower opening structure of the building according to the present invention.

FIG. 13 is an explanatory view showing another example of the building panel used for the lower opening structure of the building according to the present invention.

FIG. 14 is an explanatory view showing another example of the building panel used for the lower opening structure of the building according to the present invention.

FIG. 15 is an explanatory view showing another example of the building panel used for the lower opening structure of the building according to the present invention.

FIG. 16 is an explanatory view showing another example of the building panel used for the lower opening structure of the building according to the present invention.

FIG. 17 is an explanatory view showing another example of the decorative cover used for the lower opening structure of the structure according to the present invention.

FIG. 18 is an explanatory view showing another example of the decorative cover used for the lower opening structure of the structure according to the present invention.

[Explanation of symbols]

α Wall base β Fixture A Architectural panel B Decorative cover C Sash C ₁ Lower tongue piece C ₂ Rail holding part 21 Engagement groove 22 Engagement piece 23 Decorative piece 23 a Lower end piece 24 Reinforcement part 25 Fitting groove 26 Fixed piece

Claims (1)

(57) [Claims] A core material is filled between a surface material and a back surface material of a long plate material, and at least the surface material has a horizontally long decorative surface portion, and a side wall obtained by bending one end edge of the decorative surface portion in a longitudinal direction downward, An upper edge protruding outward at the lower end of the side wall substantially parallel to the decorative surface portion, and a lower edge bent at the tip of the upper edge inward in a substantially U-shape;
A reinforcing piece formed by bending the tip of the lower edge downward and inwardly forming an L-shape; and forming a recess in the middle of the upper edge along the longitudinal direction, and making the middle of the reinforcing piece closer to the decorative surface than the tip of the reinforcing piece. A female connecting portion formed from a fixing groove formed on the side wall, a side wall having the other side edge bent downward, and a lower end edge of the side wall being bent inward substantially in parallel with the decorative surface portion and from a tip of the upper edge. An upper surface formed to have a length equal to or longer than the side edge of the fixing groove on the side wall side, and a lower surface bent outward in a direction substantially parallel to the decorative surface portion, with the tip of the upper surface being outward,
An architectural panel for horizontal stretching composed of a female connecting portion formed with a fitting groove having a substantially U-shaped cross section composed of the upper surface and the lower surface, a long plate-like substantially vertical decorative piece, A reinforcing portion formed by bending one end edge inward twice and forming a substantially U-shape; a fitting groove formed by bending the reinforcing portion outward twice and forming a substantially U-shape; A decorative piece formed by extending a fixed piece, a lower end piece having another end edge of the decorative piece bent outward, a long and substantially horizontal rail pressing portion, and one end edge of the rail pressing portion. A structure comprising an external sash formed in a substantially L-shaped cross-section from a lower tongue piece bent downward. A building panel is fixed to a wall foundation via a fixture, and a wall foundation below an opening is previously formed. The fitting groove of the decorative cover is fitted to the lower tongue piece of the sash fixed to the sash and the sash and the decorative cover are integrated through the fixture, Opening substructure construction, characterized in that the formation of the horizontal joint between the lower end piece of the side walls and the decorative cover of the male coupling portion of the surface material of the building panel in et.