JP2837181B2 - Panel joint structure - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a joint structure of a panel used for an exterior wall, a partition, or a roof of a building or a building.

[Conventional technology]

Conventionally, the joint portion of this type of panel is actually connected with male and female connecting portions as described in Japanese Utility Model Publication No. 52-3047,
And a structure in which a bolt is penetrated from the surface of the connecting portion and is fixed to the ground through a nut, or as shown in Japanese Utility Model Application Laid-Open No. The structure had a cover plate interposed.

[Problems to be solved by the invention]

However, since the head of the fixture is exposed to the exterior, there is a disadvantage that the waterproofness, the corrosion resistance and the design of the exterior are inferior. In addition, there was a problem in fire resistance. Furthermore, in order to solve this weakness of fire resistance, as described above, it is considered to interpose a cover plate on the back surface to prevent flame and hot air from entering, but the construction of the cover plate is extremely difficult. This is a time-consuming operation, and the installation error of the cover plate due to the layout adversely affects the appearance of the entire wall.

[Means for solving the problem]

In order to eliminate such defects, the present invention forms a panel with a core material made of a synthetic resin foam interposed between a metal surface material and a metal back material, and attaches the panel to one end of the metal back material. Formed a reinforcing piece having a protrusion protruding outward and having a protrusion protruding to the front side at the tip, and a storage groove bent near the other end in a shape capable of storing the protrusion of the adjacent panel when the panels are connected to each other. At the same time, the two end surfaces of the adjacent panels are brought into contact with each other, the storage grooves are placed on the protrusions, and the panels are fixed, and joints having water repellency are continuously planted in the joints between the panels. Further, a large number of joint cover attachments having locking portions at both side ends are fixed to the joint portion, and joint joint covers having engagement portions at both side ends are integrally fitted to the joint cover attachment device. The joint structure of the panel is provided.

〔Example〕

Hereinafter, an embodiment of a joint structure of a panel according to the present invention (hereinafter, simply referred to as a joint structure) will be described in detail with reference to the drawings. That is, FIG. 1 is a partially cutaway sectional view showing the joint structure, wherein A is a panel, B is a joint material, and C is
Is a joint cover fixture, D is a joint cover, and E is a joint part. More specifically, as shown in FIG. 2, the panel A has a hat-shaped cross section and a long metal surface material 1 (hereinafter simply referred to as a surface material), and is formed on the back surface of the surface material 1. And a metal backing material 8 (hereinafter, simply referred to as a backing material) covering at least the back surface in the longitudinal direction of the core material 7. More specifically, the front surface material 1 and the back surface material 8 are made of a metal material, for example, Al, F
e, Cu, stainless steel, aluminum / zinc alloy-plated steel sheet, colored steel sheet, clat steel sheet, vibration damping steel sheet (sandwich steel sheet), fluorine-coated steel sheet, etc., formed by roll forming, press working, extrusion forming, etc. It is.
That is, the surface material 1 is a long decorative surface 2, a side wall 3 bent at both ends of the decorative surface 2 inward, perpendicular to the decorative surface 2, or inwardly and outwardly, and a side wall 3. A projecting piece 4 whose tip is bent outward and extended, a joint part mounting fixture guide 5 (hereinafter simply referred to as a guide) whose tip is bent at an obtuse angle to the projecting piece 4 and a guide The end of the portion 5 is constituted by a side piece 6 bent inward. In addition, as shown in FIG. 1, the guide portion 5 serves as a guide when the joint cover mounting tool C having the stabilizing piece 16 at the center as shown in FIG. 3 is mounted. Also, the side piece 6
When filling the raw material of the core material 7, the core material 7 is prevented from leaking to the guide portion 5 and the surface side of the protruding piece 4, the side edges of the panels A are straightened, and the panels A are separated from each other without gaps. It is for contact. Further, the guide portion 5 and the side piece 6 also function as reinforcement of the panel A itself. The length of the surface material 1 is about 4000 to 10000 mm and the width W
₁ (cosmetic surface 2 of the width) is about 400~900mm, overall width W ₂ is 450-12
00mm position, the width W ₃ of the inner end of the side wall 3 to the side piece 6 20
100mm position, the height H ₁ from the decorative surface 2 to the protruding piece 4 10-100
It is about mm. The core material 7 mainly functions as a heat insulating material, a waterproof material, a sound absorbing material, a cushioning material, or a fireproof material. The material may be a polyisocyanurate foam, a polyurethane foam, a phenol foam, a polyurea foam, or a material obtained by adding a flame retardant or a flame retardant aid thereto, or a material obtained by laminating one or more of these materials, or a mineral fiber. And a structure in which one or more inorganic molded bodies are interposed and laminated. The core 7 is used to discharge the raw material to the back surface of the front surface material 1 and integrate them in a mold structure, or to integrate the molded body with an adhesive. The back material 8 mainly covers the back surface of the core material 7 as shown in FIG. 2 and has the functions of a reinforcing material, a waterproof material, a moisture-proof material, and a fire-proof material, and the core material 7 comes into direct contact with the skeleton α. It is useful as an isolating material to prevent bleeding. In addition, as the shape of the back surface member 8, at one end in the width direction, a reinforcing piece 9 protruding outward from the side piece 6 of the front surface material 1, bending its tip to the front surface side, and folding inward, A projection 10 is formed by projecting the outer end of the reinforcing piece 9 to the surface side, and a side piece 11 is formed by bending the end of the reinforcing piece 9 to the surface side, and is adjacent to the other end when the panels A are connected to each other. The storage groove 12 is formed in a shape capable of storing the projection 10 of the panel A to be formed, and a side piece 13 is formed in which the outer end of the storage groove 12 is bent to the surface side. More specifically, the storage groove portion 12 is for storing the reinforcing piece 9 and preventing a step or gap from being generated between the panels A when the panels A are connected to each other as shown in FIG. At the same time, the joints between the joints E of the panels A and the joints of the panels A on the back side are shifted, and the reinforcing piece 9 functions as a tile plate, thereby greatly improving fire resistance and waterproofness. Also,
Assuming that the width between the side pieces 11 and 13 in the back material 8 is W ₄ , the length of the reinforcing piece 9 is W ₅ , and the width of the storage groove 12 is W ₆ , W = ₂ = W ₄ ,
Is a relationship of W ₅ = W _6. The back material 8 is formed so as not to contact the front material 1 as shown in FIG.
It is preferable to form the back member 8 so as not to form a thermal bridge. As shown in FIG.
It is planted continuously between the guide portions 5 to improve waterproofness and airtightness, and has secondary functions such as durability, weather resistance, fire resistance, earthquake resistance, and wind pressure resistance. The material may be one of hot melt type, silicone type, polyurethane type, acrylic type, SBR type, etc., or flexible foam type, rubber type, EPDM type, latex etc.
Species, and acrylic high water-absorbing resin that expands when absorbing water and contracts when drying, borax, sodium metaborate, or aluminum hydroxide, phosphate, etc. And the like. When a material having fire resistance is used as the joint material B, the joint material B has fire resistance that can pass a fire test or the like due to a synergistic effect with the reinforcing piece 9 of the panel A. As shown in FIG. 3, the joint cover attaching tool C is a short piece formed by bending a metal plate material, and includes a horizontal plane fixing portion 14, an attaching hole 15, a stabilizing piece 16, and a locking portion 19. Things. More specifically, the fixing portion 14 has a horizontal plane shape, and includes a mounting hole 15 and stabilizer pieces 16 formed at both ends of a substantially central portion in a length direction thereof, or not shown, but formed by projecting the central portion inward. is there. Locking part 19 is fixed part
14 is formed by a rising piece 17 having a tip bent outward and a locking piece 18 having a tip of the rising piece 17 bent outward and the tip turned inward. As shown in FIG. 1, when the joint cover D as shown in FIG. 4 is attached to the joint E between the panels A, the stabilizer 16 is inserted and positioned between the guides 5 of the panel A. And
It is easy to attach a plurality of joint cover attachments C in a straight line, and the construction is very easy. The material is a metal material, for example, stainless steel. The locking piece 18 is for locking the engaging piece 22 of the joint cover D described later, and fixing the joint cover D to the joint portion E of the panels A. Even if the joint cover D comes off from one of the joint cover attachments C, the other joint cover attachments C
As a result, the joint cover D does not come off and the engagement mounting is easy. Further, the joint cover D is made of the above-described metal sheet material, and has a horizontal decorative surface 20 and both ends of the decorative surface 20 inward at an obtuse angle with respect to the decorative surface as shown in FIG. Side wall decorative surface 21 bent
With the tip of the side wall decorative surface 21 facing inward, the locking piece 18
Engaging portion 23 formed of an engaging piece 22 bent to a shape that can be locked to
It is formed from More specifically, the decorative surface portion 20 is used for fixing the panel A to the outside of the frame α by fixing the joint cover D to the joint portion E with the joint cover attachment C as shown in FIG. This is for covering the fixing tool β so that the fixing tool β is not exposed to the outside. The engagement piece 22 is a locking piece of the joint cover mounting tool C.
The joint cover D is engaged with the joint cover mounting fixture C and is fixed to the joint portion E, thereby securely fixing the joint cover D on the joint portion E without detachment.

 Next, a construction example will be described.

Now, in order to form an outer wall as shown in FIG. 1, a panel A as shown in FIG. Then, the projecting piece 4 is fixed by a fixing tool β such as a screw. By repeating this process sequentially, when the joint portion E of the panel A is formed, a joint material B made of an acrylic caulking material is then continuously planted in the joint portion E. Then, the joint cover fitting C as shown in FIG.
Are fixed with a fixing tool β. Joint cover attachment C
When all of the mounting of the joint is completed,
The engaging portion 23 of the long joint cover D as shown in FIG. 4 is fitted to the locking portion 19, and the joint portions E of the panels A are covered with the joint cover D to complete the construction. Is what you do.

〔The invention's effect〕

As described above, according to the joint structure of the panel according to the present invention, the reinforcing piece formed on one side end of the metal backing material functions as a tiling plate, preventing fire, preventing fire (prevention of flame penetration), and waterproofing. It becomes a wall with greatly improved properties. For the back of the joint,
A wall body with improved workability without intervening a tiling plate. The joint material significantly improves waterproofness and airtightness at the joint. The head of the fixture is not exposed at the joint. Since the deformation at the time of fixing the panel is covered by the joint cover, no skill is required for construction. Since the joint cover attachment is short, it is easy to attach the joint cover,
And there is no separation. There are such features and effects.

[Brief description of the drawings]

FIG. 1 is a partially cutaway sectional view showing an example of a joint structure of a panel according to the present invention, FIG. 2 is an explanatory view showing one embodiment of a panel, and FIG. FIG. 4 is an explanatory view showing an embodiment of a joint cover. A: Panel, B: Joint material, C: Joint cover attachment, D: Joint cover, E: Joint.

Claims (1)

(57) [Claims] 1. A long decorative surface, side walls provided on both ends of the decorative surface, a nail for both nailing and extending by bending the tip of the side wall outward, and A metal section having a hat-shaped cross-section formed by a joint cover mounting guide portion having a distal end bent at an obtuse angle with respect to the projecting piece, and a side piece having the distal end of the joint cover mounting guide portion bent inward. A surface material, a core material filled on the back surface of the surface material, and at least a back surface of the core material, and at one side end, protruding outward from the entire width of the surface material and protruding toward the front surface at the tip. A panel comprising a reinforcing piece having a projection formed in the vicinity, and a metal backing material having a storage groove bent in a shape capable of storing the projection of the adjacent panel when the panels are connected to each other in the vicinity of the other end; Water-based jointing material, a horizontal fixed part and both ends of the fixed part A short joint cover attachment having a locking portion composed of a rising piece bent in a direction and a locking piece having the tip of the rising piece bent outward and the tip folded inward, and a horizontal plane decorative face portion And a side wall decorative surface having both side edges of the decorative surface portion bent inwardly at an obtuse angle with respect to the decorative surface portion, and an engaging piece having a front end of the side wall decorative surface bent inward at an acute angle with respect to the side wall decorative surface. The joint groove is formed as a long joint cover, and the storage groove portion of the panel is arranged so as to receive the protrusion of the reinforcing piece of the adjacent panel, and the protruding piece is fixed to the skeleton by a fixing tool, A joint material is planted continuously on the contact surfaces of the joints, a plurality of joint cover attachments are fixed at a predetermined pitch on the projecting pieces of the panels, and the joint cover is a locking portion of the joint cover attachment. Formed by fitting the joint of the joint cover Joint structure of a panel, characterized in that there.