JP2837184B2 - 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, as described in Japanese Utility Model Publication No. 52-3047, the joint portion of this type of panel is formed by actually connecting the male and female connecting portions, penetrating the bolt from the connecting portion surface, and connecting the nut to the base through a nut. Had to be fixed. In addition, 63
JP-96141, JP-A 63-96143, JP-A
JP-A-63-96144 has been devised.

[Problems to be solved by the invention]

However, since the head of the fixture is exposed to the exterior, there is a disadvantage in that the waterproofness, the corrosion resistance and the design of the exterior are inferior. Moreover, although the head of the fixing device is not exposed to the outside, the fixing is a structure in which one end of the panel is fixed with a fixing device or mounting hardware, so a gap is generated at the joint against external force such as an earthquake. There was a problem in waterproofness and airtightness.

[Means for solving the problem]

In order to eliminate such drawbacks, the present invention abuts and fixes the side end faces in the width direction of the panel, and attaches a large number of engaging portions at the center to two vertical pieces formed at the abutting portions. And a joint structure of a panel which is integrally formed by fitting an joint cover to an engaging portion of the joint cover attaching tool.

〔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, in which A is a sandwich panel (hereinafter simply referred to as a panel), B is a joint cover attachment, C is a joint cover, and D is a joint portion. . More specifically, as shown in FIG. 2, the panel A has a hat-shaped cross section and an elongated metal surface material 1 (hereinafter simply referred to as a surface material), and is formed on the back surface of the surface material 1. A core member 7 having a hat-shaped cross section and a metal back material 8 (hereinafter, simply referred to as a back material) covering at least the back surface in the longitudinal direction of the core material 7 are formed in a sandwich structure. More specifically, the front surface material 1 and the back surface material 8 are service materials such as Al, Fe, Cu,
It is formed by rolling, pressing, extruding, or the like, one of stainless steel, aluminum / zinc alloy-plated steel sheet, color steel sheet, clad steel sheet, vibration damping steel sheet (sandwich steel sheet), and fluorine-coated steel sheet. That is, the surface material 1
As shown in FIG. 3, a long decorative surface 2 and a side wall 3 which is bent inward on both sides of the decorative surface 2, perpendicularly to the decorative surface 2, or inwardly and outwardly. A protruding piece 4 whose tip is bent outward and extended, a vertical piece 5 whose tip protrudes outward, and a side piece 6 which is bent inward by turning the tip of the vertical piece 5 back. As shown in FIG. 1, the vertical piece 5 functions as a guide when mounting the joint cover fitting B having the engaging groove 12 at the center as shown in FIG. 5, and as a waterproof surface. Things. When the side piece 6 is filled with the raw material of the core material 7, the core material 7 is prevented from leaking to the surface side of the vertical piece 5 and the protruding piece 4, and the side edge of the panel A is straightened, It is for making A contact each other without a gap. Further, the vertical pieces 5 and the side pieces 6 also function as reinforcement of the panel A itself. In addition, the length of the surface material 1 is about 4000 to 10000 mm, the width W ₁ (the width of the decorative surface 2) is about 400 to 900 mm, the total width W ₂ is about 450 to 1200 mm,
The width W ₃ of the projecting piece 4 is about 20 to 100 mm, and the projecting piece 4 is
The height H is about 10 to 100 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. As the material, polyisocyanurate foam, polyurethane foam, phenol foam, polyurea foam, and a flame retardant,
One of those containing a flame retardant aid, or a laminate of one or more of these, or a mineral fiber, a structure in which one or more inorganic moldings are interposed and laminated, or a gypsum board;
It is made of an inorganic material such as an ALC plate, a calcium silicate plate, and a rock wool plate. The core 7 is used to discharge the raw material to the back surface of the 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.
It functions as a reinforcing material, a waterproofing material, a moisture-proofing material, and a fireproofing material, and also serves as an isolating material for preventing the core material 7 from directly contacting the skeleton α. Further, as the shape of the backing material 8 , as shown in FIG. 4, a side piece 8a in which both ends in the width direction are bent outward and a side piece 8a is bent inward, and a notch in which the vicinity of the side piece 8a is cut away. 8b. Further, the back sheet 8, when the full width and W _4, a relation of W ₂ = W _4. As shown in FIG. 5, the joint cover attachment B is a short piece formed by bending a metal plate material, and has a horizontal plane-shaped fixing portion 9 and a substantially central portion of the fixing portion 9 having a substantially wedge-shaped cross section outward. And a protruding engagement portion 13 . More specifically, the engaging portion 13 includes two rising pieces 10 protruding outward with a space substantially at the center of the fixing section 9, and an engaging piece 11 having a leading end of the rising piece 10 bent into a substantially wedge-shaped cross section. And the rising piece 1
0, an engagement groove 12 composed of an engagement piece 11,
As shown in FIG. 1, the engaging groove 12 is provided between the vertical pieces 5 of the panels A.
The joint cover attachment B is positioned by inserting the joint cover attachment B into a plurality of joints, and it is easy to directly attach the joint cover attachments B in a plural number, which makes the construction very easy. The engaging piece 11 locks the long joint cover C as shown in FIG. 6 with the locking portion 20 of the joint cover C as shown in FIG. This is for fixing the cover fitting B, and by forming the joint cover fitting B in a short shape, even if the joint cover C is disengaged from one of the joint cover fittings B, another joint cover mounting is performed. Since the joint cover C is locked by the fixture B, the joint cover C does not peel off and can be easily engaged and mounted. The joint cover C is formed by bending a metal plate material, and is formed on the joint portion D between the panels A as shown in FIG. 1, and the head of the fixing tool β used when fixing the panel A is used. It is for covering and improving the aesthetics, waterproofness, corrosion resistance, etc. of the joint portion D. More specifically, as shown in FIG. 6, the joint cover C is formed from a horizontal decorative surface portion 14 and a locking portion 20 protruding from the back surface of the decorative surface portion 14. , With both edges of the decorative surface 15 inward
A decorative surface portion 14 composed of a decorative wall surface 16 bent at an obtuse angle with respect to the decorative surface portion 16;
A back surface 17 extending to approximately the center of the decorative surface 15 along the
The locking portion 20 is formed by a locking piece 18 with the tip of the back surface 17 hanging down in an inward shape and a locking groove 19 formed by the locking piece 18. When the joint cover C is engaged with and integrated with the joint cover fixture B as shown in FIG. 1, both ends of the decorative surface portion 14 are reliably elastically lowered on the projecting piece 4 of the panel A. Is to be in contact with
As a result, no gap is formed between the joint cover C and the panel A. Further, the engaging portion 20 is inserted into the engagement portion 13 of the joint cover fitting B at joints D as shown in FIG. 1, the locking piece 18 is engaged with the engaging piece 11 of the engaging piece 13 Thus, the joint cover C is fixed to the joint portion D.

Here, FIG. 3, FIG. 5, and FIG.
Briefly describing with reference to the drawings, in the surface material 1 , the width of the vertical piece 5 is l ₁ , the height is h ₁ , the width between the rising pieces 10 is 1 ₂ in the joint cover attachment B, and the engaging piece 11 is width l ₃ of the fixing portion 9 from the rear surface to the engaging piece 11 of the height h _2, the depth h ₃ of the engaging groove 12, the joint cover C, and the width between the locking piece 18 l _4,
And the height from the engaging piece 18 to the sidewall decorative surface 16 lower and h _4, is the relationship _{2l 1 ≦ l 2, l 3} ≒ l 4, h 1 ≦ h 3, h 2 ≒ h 4.

 Next, a construction example will be described.

Now, in order to construct a joint structure as shown in FIG.
Panel A, as shown in FIG. 2, the fifth joint cover fixture as shown in Figure B, and those using joint cover C as shown in FIG. 6, the surface material 1 as panel A, the back surface member
A material made of polyisocyanurate foam is used as a core material 7 and a raw material made of polyisocyanurate foam is filled between the front and back materials 1 and 8 , reacted and foamed, and then integrated by curing. The joint cover fitting B is made of stainless steel (0.6 mm thick), and the joint cover C is a surface material 1
And the same material was formed by roll forming. Then, the panel A is fixed on the skeleton α by fixing the protruding piece 4 by a fixing tool β such as a screw screw so that the panel A ₁ and the side piece 6 of the panel A ₂ abut on the skeleton α. Next, the engaging groove 12 of the joint cover attaching tool B as shown in FIG. 5 is inserted into the vertical piece 5 of the panels A, and the fixing portion 9 is fixed on the projecting piece 4 by the fixing tool β. A plurality of fixtures B are fixed at a predetermined pitch (600 mm). After completing the mounting of the joint cover fitting B are all the engaging portion 13 of the joint cover fixture B, and fitting the engaging portion 20 of the elongated joint cover C as shown in FIG. 6, Panel The joint portions D of A are covered with the joint cover C to complete the construction.

[Other Examples]

The above is only one embodiment of the joint structure according to the present invention, and FIGS. 7 (a) to (k) and FIGS.
(F), panel A as shown in FIGS. 9 (a) and 9 (b),
Joint cover fitting B as shown in FIGS. 10 (a) to (n), joint cover C as shown in FIGS. 11 (a) to (n),
Joint structures shown in FIGS. 12 (a) to 12 (h) can be obtained. That is, FIGS. 7 (a) to 7 (k) show panels A in which the surface material 1 is mainly deformed. FIG. 8 (a)
4A to 4F, FIG. 4A shows a sheet-like material 21 in which the core material 7 does not leak from the front and back materials 1 and 8 when the raw material is discharged as a synthetic resin foam. the coated panels a, (b) drawing the intermediate core 7, or table back sheet 1,
8 shows a panel A in which a fire-resistant surface material 22 made of a mineral material such as rock wool or asbestos, a fiber material such as glass fiber or aramid fiber, or a fiber sheet material is interposed on the back surface of the core material 8; Panel A having two layers, organic and inorganic, FIG. (D) shows panel A formed with a raising material 23 (short or long) functioning for thickness setting, and (e) shows reinforcing and isolating material Panel A in which a reinforcing material 24 (inorganic material or the like) functioning as a liquid leakage prevention material, a stopper material, or a fire protection material is disposed in the middle of the front surface material 1 and the back surface material 8 , and (f) shows pearlite grains, shirasu balloons, Projection piece 4 made of inorganic lightweight aggregate 25 such as glass beads
The core material 7 or a panel A (not shown) in which the entire surface of the core material 7 is densely filled to improve fire resistance. further,
FIG. 9 (a) shows one end of the panel A in the longitudinal direction or both ends (not shown) of FIG. 9 (b) (FIG. 9 (a)).
Panel A is formed by bending an edge of the surface material 1 downward and forming an end face wall 2a as shown in FIG.
It is for improving the workability, durability, weather resistance, and earthquake resistance of the sealing material at the joint between the ends of the sealing material. 10 (a) to 10 (n) show other modifications of the joint cover attachment B. FIG. 10 (a) shows the joint cover attachment B in which a tongue piece is formed on the fixing portion 9; FIGS. b) to (i) show joint cover attachments B, (j), in which the engaging portions 13 are respectively deformed.
(K) is a joint cover attachment B in which the engaging portion 13 is formed at both ends of the plate material, and (l) is a joint cover attachment B in which a fixing hole 9a is formed in the fixing portion 9, (m), (n) The figure shows a joint cover attachment B in which the engaging portions 13 are formed with an interval. Also,
11 (a) to 11 (n) show joint covers C and other modified examples, and FIGS. 11 (a) to 11 (d) show joint covers C in which the decorative surface portion 14 is deformed, and FIGS. The joint cover C in which the part 20 is deformed, FIG.
(J) and (k) are joint covers C formed by combining a roll-formed product and an extruded product, and (l) are joint covers C having sealing materials 26 formed in the engaging grooves 19 and (m). ),
(N) The figure shows the joint cover C in which the locking pieces 18 are formed at intervals. Further, in FIGS. 12 (a) to 12 (h), FIG. 12 (a) shows a backup material E (having releasability) in a space surrounded by the side wall 3, the projecting piece 4, and the side wall decorative surface 16.
A joint structure having a sealing material F formed thereon and having improved waterproofness and designability. (B) to (d) show a case in which a seam plate G is formed on the back surface of the joint portion D of the panel A to provide waterproofness and fire resistance (flame). (E) The inorganic material H (calcium silicate plate, rock wool plate, gypsum board, etc.) is formed on the panel A of the joint D in FIG. (F) FIG. (F) is a joint structure in which sealing material F is implanted between vertical pieces 5 between panels A to enhance waterproofness in FIG. (C), and (g) is a single vertical piece 5 in FIG. Joint structure,
(H) In the figure, a fitting structure is formed in the vertical piece 5 and the engagement groove 12, and the adhesion between the panels A, the workability of the joint cover fixture B (fixing with the joint cover fixture B held) Is not improved). Of course, FIG.
It is possible to form a joint structure by combining (k) to FIGS. 12 (a) to (h).

〔The invention's effect〕

As described above, according to the joint structure of the present invention, the formation of the vertical pieces greatly improves waterproofness and airtightness at the joint. The head of the fixture is not exposed at the joint.
The formation of the vertical pieces facilitates positioning of the joint cover attachment and is easy to form linearly. 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 even if the joint cover comes off from one of the joint cover attachments, the joint cover does not come off as a whole. Since the side wall decorative surfaces formed at both ends of the joint cover elastically contact the projecting pieces of the panel, no gap is formed between the joint cover and the panel. Since both ends of the panel are fixed, the fixing is strong, and the earthquake resistance, wind pressure resistance, and the like are improved. There are features and effects such as.

[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 a perspective view showing an example of a sandwich panel, FIG. 3 and FIG. FIG. 5 is an explanatory diagram showing an embodiment of a joint cover attaching tool, FIG. 6 is an explanatory diagram showing an embodiment of a joint cover, and FIGS. 7 (a) to 7 (k). 8 (a) to
(F), FIGS. 9 (a) and 9 (b) are explanatory diagrams showing other embodiments of the sandwich panel, and FIGS. 10 (a) to (n) are explanatory diagrams showing other embodiments of the joint cover attaching tool. Fig. 11,
12 (a) to 12 (n) are explanatory diagrams showing another embodiment of the joint cover, and FIGS. 12 (a) to 12 (h) are explanatory diagrams showing another embodiment of the joint structure of the panel according to the present invention. is there. A: Sandwich panel, B: Joint cover attachment
C ... joint cover, D ... joint part, 1 ... metal surface material, 5 ... vertical piece, 7 ... core material, 8 ... metal back material,
12 ... engagement groove, 13 ... engagement part, 20 ... locking part.

Claims (1)

(57) [Claims] 1. A metal surface material formed from a long decorative surface and vertical pieces protruding outward on both side edges of the decorative surface, a core material filled on the back surface of the metal surface material, and the core A sandwich panel formed from a metal back material covering at least the back surface of the material, a substantially horizontal fixing portion, and a substantially central portion of the fixing portion protruding outwardly, and a cross-sectional shape having an engaging groove formed therein. A short joint cover attachment comprising a wedge-shaped engaging portion; a long decorative surface; a side wall decorative surface in which both side edges of the decorative surface are bent inward at an obtuse angle with respect to the decorative surface; A joint cover in which two locking pieces having a U-shaped cross section face each other at a substantially central back surface of the surface to form a locking portion, and the vertical pieces face each other by abutting the side end surfaces of the sandwich panel. The end of the decorative surface near this joint is fixed to the frame by a fixture, and the sandwich panel The joint groove of the joint cover attaching tool is inserted into the vertical piece of the joint, and the joint cover attaching tool is fixed on the joint portion by a plurality of fixtures. Characterized in that the locking portions are fitted and integrally formed.