JPH05113018A - Attaching structure for building panel - Google Patents

Abstract

PURPOSE:To provide a structure for attaching a building panel on its rear side (the inside of a building) under a condition such that a building panel cannot be attached on its front side since the space between buildings is narrow in a place where many buildings are closely adjacent to one another. CONSTITUTION:An engaging groove of an attaching piece B is beforehand engaged to one end edge of an opening made of a C-shape steel member D as a base, and a fixing piece is fixed to the C-shape steel member D through the intermediary of tex, hex or the like at the attaching position of a panel A supported by a crane or the like on the roof top of a building. Further, a bolt part is inserted into a fixing hole 10a as a base hole which have been beforehand formed in a fixing groove 10 in a panel A, and a nut C is tightened onto the bolt part which is therefore fixed. With this arrangement, the panel A may be attached on its rear side without deteriorating its normal attaching structure and workability.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a back panel for a building panel under conditions where the building panel cannot be attached from the front side due to a narrow space between buildings in a dense area of the building. The structure for mounting from the side (inside the building).

[0002]

2. Description of the Related Art Conventionally, this type of building panel (hereinafter, simply referred to as "panel") is attached to a wall substrate by, for example, FIG.
As shown in, the fixing groove of the lower panel a ₁ is fixed to the wall base α made of a steel frame base by a fixing tool β such as a hex or a tex, the upper panel a ₂ is dropped, and the fixing groove of the cover piece, that is, An attachment structure has been invented in which the head of the fixture β is covered and the construction is performed sequentially from the lower stage to the upper stage.

[0003]

However, the above-mentioned mounting structure is a mounting structure from the panel surface side to the last, and due to the density of buildings as seen in today's large cities, the space between buildings is There is a drawback in that the conventional mounting structure described above cannot be used under a narrow condition that a scaffolding for mounting the panel cannot be installed from the front side.

[0004]

According to the present invention, therefore, a panel supplied from the roof of a building by a crane or the like has the engaging groove of the mounting piece engaged in advance with one edge of the opening of the C-shaped steel as the base. At the panel mounting position on the C-shaped steel,
While fixing the fixing piece via a hex, etc., insert the bolt part into the fixing hole that is a prepared hole previously opened in the fixing groove of the panel and fix it with the nut so that the panel is on the back side of the panel, That is, since the mounting structure is to be mounted from the indoor side of the building, it is proposed to mount the panel from the back side thereof without losing normal mounting strength and workability.

The structure for mounting a building panel according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is an explanatory view showing a typical example of the above structure, which is a structure including a panel A, a mounting piece B, a nut C, and a C-shaped steel D. That is, the panel A is, for example, as shown in FIG. 2A, a panel A having a sandwich structure including a front surface material 1, a back surface material 17, and a core material 20. The front surface material 1 and the back surface material 17 are made of non-combustible thin metal plate material, for example, 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. And the like, which are formed by press molding, extrusion molding, roll molding or the like, and exert a maintenance-free effect on the panel A.

More specifically, the surface material 1 is shown in FIG.
As shown in FIG. 3, a gutter-shaped portion 1a is formed from a horizontally long decorative surface portion 2, a male connecting portion 6, and a female connecting portion 12,
The decorative surface portion 2 is formed by side walls 3 and 4 in which both longitudinal ends of the decorative surface 2a are bent inward at an arbitrary angle, and a lower end edge of the side wall 3 is a basement ground 5 protruding outward. ..

The male type connecting portion 6 is formed by inserting an upper edge 8 projecting further outward from the tip of the subterranean ground 5 and a lower edge 9 bending the tip of the upper edge 8 inward in a substantially U-shape. The edge 7 includes a concave fixing groove 10 formed in the upper edge 8 of the insertion edge 7, and a reinforcing piece 11 in which the tip of the lower edge 9 is bent inward in an L-shape.

As shown in FIG. 9 in which the inserting edge 7 shows the upper and lower connecting structures in a normal state, the fitting groove 1 of the female connecting portion 12 to be described later is shown.
5 is a part that is inserted and fixed to the C-shaped steel D, and
The fixing groove 10 is formed with fixing holes 10a penetrating to the back surface material 17 at the pitch of the C-shaped steel D, and the holes are fixed to the mounting piece B by the nut C and the panel A is fixed to the C-shaped steel D. ..

The concave fixing groove 10 is formed to be larger than the height and width of the nail head of the nut C, and the tip of the bolt portion 27 of the mounting piece B, which will be described later, is located above the surface of the subterranean ground 5. When the panel A is engaged so as not to project, a gap is not formed in the contact portion between the upper surface 13 and the subterranean ground 5 and the upper edge 8 which will be described later, and a gap is formed by the fixing groove 10 to form a capillary tube. It prevents the phenomenon and enhances the waterproof property. When the length from the tip of the insertion edge 7 to the upper edge 8 side of the fixed groove 10 is l ₁ and the length from the tip of the insertion edge 7 to the tip of the reinforcing piece 11 is l ₂ , l ₁ ≧ By setting the relationship of l ₂ , it is possible to prevent the reinforcing piece 11 from becoming a hindrance when the fixing tool β is driven into the fixing groove 10.

Further, the reinforcing piece 11 strengthens the integration of the surface material 1 and the core material 20 by interposing the reinforcing piece 11 in the core material 20, and when the insertion edge 7 is inserted into the fitting groove 15, Edge 7
Is prevented from being pressed and deformed by the lower surface 14 and serves to securely fix.

The female connecting portion 12 is a cover piece 13 formed in a U-shape from the lower surface of the side wall 4 and an upper surface 13 which is bent inward.
a, a lower surface 14 in which the tip of the upper surface 13 is bent outward, a fitting groove 15 formed from the upper surface 13 and the lower surface 14 in a substantially U-shaped cross section, and a reinforcing piece in which the tip of the lower surface 14 is bent inward. 16 and.

More specifically, 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 upper surface 13
Let l _{4 be} the length of l _3, and the relationship of l ₃ ≤l ₄ is established. As shown in FIG. 9, the head of the fixture β is covered to improve waterproofness and aesthetics. Further, the fitting groove 15 is engaged with the insertion edge 7 of the male type connecting portion 6 and the wall base α, that is, the C-shaped steel D.
This is a part for fixing panel A to. The steps 2b and 2c formed on the decorative surface 2a are designed to have a step-like makeup joint so that the joint portion is three-dimensionalized and clarified to improve the design.

As shown in FIG. 2 (c), the back surface material 17 has an extension 18 in which one end edge of a long plate material is bent inwardly in parallel with the plate material in an L shape, and the other end edge is outward. Is formed of a notch 19 that is substantially parallel to the plate material and is bent in an L-shape. In the figure, the extension 18 and the tip of the notch 19 are bent upward to form the stabilizing pieces 18a, 19a. , The guide surface at the time of engagement, and the function as a mold at the time of production.
7a is formed.

This back surface material 17 covers the back surface of a core material 20 described later, and forms the panel A into a sandwich structure.
The material has the same mechanical strength as the surface material 1 while improving the mechanical strength of itself and also serving as one function of non-combustible material, waterproof material, heat insulating material, sound insulating material, sound insulating material, packing material, etc. And the same molding method is used.

Further, the mounting is integrally formed by a core member 20 described later, and the lower edge 9, the core member 20, and the extension portion 1 are attached.
8, the engaging groove 21 having a concave cross section is formed on the lower surface 14 and the core member 2.
0, the notch 19 forms an engaging piece 22 having a convex cross section, and as shown in FIG. 9, the engaging piece 22 is fitted in the engaging groove 21 together with the engagement of the insertion edge 7 and the fitting groove 15. The panel A is fixed to the wall base α by engaging so as to be dropped.

Further, the extension portion 18 and the cutout portion 19 are
Fireproof, waterproof (prevents the entry of rainwater into the wall base α), and greatly improves airtightness. Especially, in case of a fire, it is possible to prevent the flame from penetrating to the back surface 17b, The purpose of panel A is to be able to pass the fire resistance test.

The main material of the core material 20 is, for example, polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam or the like, or an inorganic foam or the like, and has fire resistance, heat insulation and soundproofing properties for the panel A. It improves sound absorption.

The mounting piece B is made of a steel material processed, an aluminum alloy extruded, or the like.
For example, as shown in FIG. 3, the fixing piece 23, the laying piece 24, and the support piece 25 are formed into a short body having a substantially U-shaped cross section. It has an engaging groove 26 formed in a shape and a columnar bolt portion 27 protruding outward from the laying piece 24 at a substantially right angle.

As shown in FIG. 4 (a), this mounting piece B engages the engaging groove 26 with the one end edge D ₁ of the opening of the C-shaped steel D, and presses it in the direction of arrow a. (B)
As shown in FIG. Then, the C-shaped steel D is used as a rail to move in the vertical direction, and the mounting position of the panel A, that is, the fixing hole 10a in the fixing groove 10 of the panel A is set.
At the position where the bolt portion 27 is inserted into the
It is fixed to the C-section steel D via a fixing tool β such as a hex.

Further, the bolt portion 27 is fixed to the laying piece 24 by welding or the like and has a spiral thread groove 27a, and the panel A is fixed to the base C-shaped steel D by the nut C. It is a thing.

Here, the back side of panel A (inside the building interior)
The method of attaching the panel A from FIG. First, as shown in FIGS. 4A and 4B, the mounting piece B is temporarily fixed to the C-shaped steel D by engaging the engaging groove 26 thereof. Next, the panel A is lowered from the roof of the building to the mounting position by a crane or the like, and the bolt portion 27 is fixed to the fixing hole 10 of the panel A while adjusting the position of the mounting piece B as shown in FIG.
Insert into a. Then, the fixing piece 23 of the mounting piece B is fixed to the C-shaped steel through a fixing tool β such as a texture, and the bolt portion 27 inserted in the fixing hole 10a of the panel A is fixed through the nut C to fix the panel A. It is attached. This work can be performed sequentially from the base toward the eaves.

By mounting the panel A from the back side in this manner, even under the condition that the panel A cannot be mounted from the front side, the mounting method is the same as the normal mounting method shown in FIG. It becomes a structure.

What has been described above is one embodiment of the construction structure of the building panel according to the present invention.
The shapes shown in (a) to (c) may be used.
In particular, the panel A shown in (c) is a panel A in which a soft packing body 28 is interposed in the engagement groove 21 to improve the waterproofness and airtightness of the connecting portion.

Further, the core material 20 of the panel A can be formed as shown in FIG. That is, as shown in FIG. 6, a non-woven fabric 29 is provided between the front surface material 1, the back surface material 17, and the core material 20.
30 is interposed via an adhesive 31, a lightweight aggregate 32 is closely packed, and a synthetic resin foam 33 is used as the binder.

The non-woven fabrics 29 and 30 are sheet-like materials made of polyester-based, nylon-based, boron-based, carbon-based, alumina-based, silicon carbide-based, and aramid-based fibers, which improve the mechanical strength of the panel A. Surface material 1, back material 1
7 has a function of enhancing the adhesiveness between the core material 20 and the core material 20, and improving the flatness of the front surface material 1 and the back surface material 17.

Examples of the adhesive 31 include an elastomer type epoxy resin, an isocyanate such as an emulsion type such as methylene diisocyanate (abbreviation MDI), a hot melt type, and a modified isocyanate thereof.
For example, urethane-modified, buret-modified isocyanate,
One type such as isocyanurate-modified isocyanate is used.

As the lightweight aggregate 32, pearlite particles, glass beads, gypsum slag, talc stone, shirasu balloon, etc. are used. In FIG. 6, pearlite particles having a diameter of about 5 to 20 mm are used. In addition to improving the heat resistance and fire resistance, the mechanical strength of the panel A is also improved.

The synthetic resin foam 33 is made of the above-mentioned polyisocyanurate foam, phenol foam, polyurethane foam, polyimide foam, vinyl chloride foam or the like, which improves the heat insulating property of the panel A and the core material 2.
0 flame retardant, lightweight aggregate 32 binder, non-woven fabric 29,
It functions as an adhesive for 30.

The mounting piece B shown in FIG. 7 has a guide piece 2 in which the upper edge of the laying piece 24 is bent outward in a tongue shape.
4a is formed. The guide piece 24a is to be abutted between the extension portion 18 and the cutout portion 19 of the panel A, and is a mounting piece B that can be used as a guide when the panel A is mounted.

Further, FIG. 8 shows a structure in which a thin rectangular reinforcing plate E is inserted into the fixing groove 10 of the panel A, and the reinforcing plate E exhibits the same function as a washer and has a mounting strength. It is an improved structure.

[0031]

As described above, according to the structure for mounting a building panel according to the present invention, even if it is not possible to mount the panel from the front side of the building, it is mounted beforehand from the inside of the building. The piece has been engaged with the C-shaped steel,
Since the bolts of the mounting pieces are inserted into the fixing holes of the panel supported by a crane from the rooftop of the building, and the nuts are used for fixing, the panel can be mounted from the back side with normal mounting strength and workability. It becomes a structure that can be attached without losing. There are effects and features.

[Brief description of drawings]

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

FIG. 2 is an explanatory diagram showing an example of a building panel used in the above structure.

FIG. 3 is an explanatory view similarly showing a mounting piece.

FIG. 4 is an explanatory view showing a mounting state of a mounting piece on a C-shaped steel.

FIG. 5 is an explanatory diagram showing another example of a building panel.

FIG. 6 is an explanatory diagram showing another example of the core material of the building panel.

FIG. 7 is an explanatory view showing another example of the attachment piece.

FIG. 8 is an explanatory diagram showing another example of the above structure.

FIG. 9 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 A Building panel B Mounting piece C Nut D C type steel 10 Fixing groove 10a Fixing hole 13a Cover piece 23 Fixing piece 24 Laying piece 25 Supporting piece 26 Engaging groove 27 Bolt part

Claims (1)

[Claims] 1. A fixing groove in which a decorative surface at least on one end edge in the width direction is cut out in a substantially concave shape and a decorative surface is extended to a substantially U shape at the other end edge to cover the fixing groove at the time of connection. A construction panel having a cover piece formed therein, and an engagement groove having a substantially U-shaped cross section formed from a fixed piece, a laying piece, and a support piece, and a U-shaped end of the support piece. From the short piece, and a mounting piece formed on the laying piece outwardly at a substantially right angle to form a bolt portion having a linear screw groove,
And a C-shaped steel serving as a mounting base, the engaging groove of the mounting piece is engaged with one end edge of the opening of the C-shaped steel, and the fixing piece is fixed to the C-shaped steel via a fixture. A mounting structure for a building panel, wherein a fixing groove of the building panel and a bolt portion of the mounting piece are fixed via a nut.