JP2854326B2 - Wall fire joint structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a fire-resistant wall joint structure used for exterior walls, partitions, and roofs of buildings and structures.

[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,
In addition, a bolt is penetrated from the surface of the connecting portion, and is fixed to the base via a nut. Further, in order to solve this, a structure as disclosed in Japanese Utility Model Application Laid-Open No. 64-53310 has been disclosed, and as shown in Japanese Utility Model Application Laid-Open No. 64-44906, a cover plate has been provided on the back surface of the panel in order to improve fire resistance. Have 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. In addition, although the head of the fixture is not exposed to the outside, there is a problem in fire resistance. Furthermore, although the fire resistance was improved by the formation of the cover plate,
The formation is very troublesome, time is required for construction, and it is difficult to allocate the design unless the construction is performed with high accuracy.

[Means for solving the problem]

According to the present invention, in order to eliminate such a defect, an inorganic member is inserted and abutted and fixed between inorganic member holding grooves having a substantially U-shaped cross section formed at a contact portion in the width direction of the panel. The joint material is implanted in a continuous manner with respect to this joint, and further, a large number of joint cover attachments having locking portions at both ends are fixed to the joint, and the joint cover attachment is attached to both ends. An object of the present invention is to provide a wall fireproof joint structure in which an joint cover having an engaging portion is integrally fitted.

〔Example〕

Hereinafter, an embodiment of a wall refractory joint structure (hereinafter, simply referred to as a joint structure) according to the present invention 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 panel, B are inorganic members, C is joint material, D is joint cover attachment, E is joint cover, and F is joint portion. It is. 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 . It is formed in a sandwich structure from a core material 7 of a hat material having a 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. More specifically, the front surface material 1 and the back surface material
8 is a metal material such as Al, Fe, Cu, stainless steel, aluminum
It is formed by pressing, extruding, or roll forming one kind of a zinc alloy plated steel sheet, a color steel sheet, a clad steel sheet, a vibration damping steel sheet (sandwich steel sheet), a fluorine coated steel sheet, and the like. That is, the surface material 1 is a long decorative surface 2, a side wall 3 bent on both sides of the decorative surface 2 inward, perpendicular to the decorative surface 2, or inclined inward and outward, and a side wall 3. A projecting piece 4 whose lower end is bent outward and extended, a joint portion mounting guide portion 5 (hereinafter simply referred to as a guide portion) whose tip is bent outwardly or inwardly, and a guide portion. 5 is constituted by a side piece 6 bent inward vertically. In addition, as shown in FIG. 1, the guide portion 5 serves as a guide when the joint cover attachment D as shown in FIG. Further, 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 guide portion 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 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 4000 to 10000 mm
Position, (the width of the decorative surface 2) width W ₁ is about 400~900mm, overall width W ₂ is
450~1200mm position, the width W ₃ of the side walls 3 end edge to the side piece 6 2
0~100mm position, the height H ₁ from the decorative surface 2 to the protruding piece 4 10
It is around 100mm. 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 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. Also, the back material 8
The shape of L is such that both edges in the width direction are outward and inward.
A side piece 9 bent in a letter shape is formed. Also,
In back sheet 8, when the full width and W _4, a relation of W ₂ = W _4. Further, reference numeral 10 denotes an inorganic member protection groove. As shown in FIG. 1, an inorganic member B as shown in FIGS. The joint member F is provided mainly for improving the fire resistance with the system member B interposed therebetween. Further, the inorganic member protection groove 10 is effective for preventing the front surface member 1 and the back surface member 8 from coming into contact with each other and preventing the front surface member 1 and the back surface member 8 from forming a thermal bridge. The inorganic member B is as shown in FIGS. 3 (a) to 3 (d). Examples of the material include rock wool, gypsum, calcium silicate, calcium carbonate, glass wool, foam glass, perlite plate, and the like. In addition, substances that release water or expand and expand under high heat (eg, silicates, borates, etc.)
Or a kind of molded product such as a metal material and a porcelain material. Furthermore, the inorganic member holding groove 11
Let h ₁ , h ₂ , the depth l ₁ , l ₂ , the width and height of the inorganic member B be l ₃ , h ₃ , h ₁ = h ₂ = h ₃ , l ₁ + l. ₂ = it is a relationship of l _3. As shown in FIG. 1, the joint material C is continuously implanted between the guide portions 5, and the joint portion F mainly has improved waterproofness and airtightness, and has secondary durability, weather resistance and fire resistance. , Seismic resistance, to provide functions such as wind pressure resistance, such as hot melt, silicone, polyurethane, acrylic, SBR, etc., or flexible foam, rubber, EPDM, 1 such as latex
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. In addition, when a material having fire resistance is used as the joint material C, the joint material C has fire resistance that can pass a fire test due to a synergistic effect with the inorganic member B. As shown in FIG. 4, the joint cover fixture D is a short piece formed by bending a metal plate material, and includes a horizontal plane-shaped fixing portion 11 , a mounting hole 12, a stabilizing piece 13, and a locking portion 16. Things. More specifically, the fixing portion 11 has a horizontal plane shape, and includes a mounting hole 12 and stabilizer pieces 13 formed at both ends of a substantially central portion in a length direction thereof, or not shown, but formed by projecting the central portion downward. . The locking portion 16 is a rising piece 14 having an end edge of the fixing portion 11 bent upward, and a locking piece having a tip of the rising piece 14 formed at an acute angle with respect to an extension of the fixing portion 11.
It is formed from 15. As shown in FIG. 1, when the joint cover E as shown in FIG. 5 is attached to the joint F between the panels A, the stabilizer 13 is inserted and positioned between the guides 5 of the panel A. This makes it easy to attach a plurality of joint cover attachments D in a straight line, making the construction very easy. The material is a metal material, for example, stainless steel. The locking piece 15 is for locking an engaging piece 19 of the joint cover E, which will be described later, to fix the joint cover E to the joint portion F between the panels A. When the joint cover E is detached from one of the joint cover attachments D, the joint cover E is locked by the other joint cover attachments D, so that the joint cover E does not come off and is engaged. Becomes easy. Further, the joint cover E is made of the above-described thin metal plate, and the shape thereof is, as shown in FIG. 5, a decorative surface material 17 having a horizontal surface, and a side in which both end edges of the decorative surface portion 17 are inclined downward and bent. An engaging portion 20 is formed by a liquid decorative surface 18 and an engaging piece 19 bent in a shape capable of being locked to the locking piece 15 with the front end of the side wall decorative surface 18 inward. More specifically, as shown in FIG. 1, the joint face portion 17 is fixed to the joint portion F by the joint cover attachment D so that the panel A is fixed to the frame α. This is for covering the fixture β so that the fixture β is not exposed to the outside. In addition, the engagement piece 19
Is fixed to the joint piece E of the joint cover E by being fixed to the engaging piece 15 of the joint cover attaching tool D, thereby securely fixing the joint cover E on the joint portion F without detaching. Things.

 Next, a construction example will be described.

Now, in order to form an outer wall as shown in FIG. ₁ , a panel A ₁ as shown in FIG. 2 is vertically fixed to a frame α made of C-shaped steel, and a projecting piece 4 is fixed by a fixing tool β made of screw screws. . A third inorganic system member holding groove 11 of the panel A ₁
A long inorganic member B made of calcium silicate as shown in FIG. After mounting is completed inorganic member B, panels inorganic member holding groove 10 of the panel A _2, is inserted into the inorganic member B that is mounted to the panel A ₁ A
The side end face between the contact, the upper protruding piece 4 of the panel A ₂ by fixtures β fixed to building frame alpha. When the panel A is fixed to the frame body α by repeating the above steps sequentially, the joint material C made of an acrylic caulking material is continuously planted in the joint portion F, and then the joint as shown in FIG. A plurality of cover fixtures D are fixed by fixtures β. After installing the joint cover fitting D is completed, the locking portion 16 of the joint cover fitting D, and fitting the engaging portion 20 of the elongated joint cover E as shown in FIG. 5, panel The joint portions F of A are covered with the joint cover E to complete the construction.

〔The invention's effect〕

As described above, according to the wall refractory joint structure according to the present invention, the joint material significantly improves waterproofness and airtightness at the joint portion. The head of the fixture is not exposed at the joint. The fire resistance (prevention of flame penetration, etc.) is greatly improved by the interposition of the inorganic material. 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, the joint cover is easily attached and does not come off. Since the inorganic member is fixed by the holding groove having a substantially U-shaped cross section formed at the edge in the width direction of the panel, the inorganic member does not adversely affect the construction of the panel. The fire resistance can be improved without forming a fireproof T joiner having a reverse T-shaped cross section on the back surface. 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 wall refractory joint structure according to the present invention, FIG. 2 is an explanatory view showing an example of a panel, and FIGS. 3 (a) to (d) are inorganic members. FIG. 4 is an explanatory view showing an embodiment of a joint cover attaching tool, and FIG. 5 is an explanatory view showing an embodiment of a joint cover. A: Panel, B: Inorganic member, C: Joint material, D:
… Joint cover mounting fixture, E …… joint cover, F …… joint part.

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁶ , DB name) E04F 13/12 E04F 19/06 E04F 13/08 E04B 1/94

Claims (1)

(57) [Claims] 1. A long decorative surface, side walls provided on both side edges of the decorative surface, a projecting piece for nailing, which is formed by bending a lower end of the side wall outward and extending, and A metal surface material having a cross section formed in a hat shape from a joint portion for a joint cover mounting fixture in which an edge is inclined upward or downward and bent inward,
A core member made of plastic foam filled on the back surface of the surface material, and a metal back material covering at least the back surface of the core material, and were exposed at the end in the width direction between the front and back surfaces. A panel formed from an inorganic member holding groove in which a core material is cut out in a substantially U-shaped cross section, a long inorganic member, a joint material having at least water repellency, a horizontal plane fixing portion, and the fixing A short joint cover attachment having a locking portion composed of a rising piece having both end edges bent upward and a locking piece having the tip of the rising piece bent outward; a horizontal plane decorative face portion; A long-sided joint cover having an engaging portion formed by a side wall decorative surface in which both end edges of the decorative surface portion are bent inward at an obtuse angle and an engaging piece in which the tip of the side decorative surface is bent inward at an acute angle. The panel has an abutting side end face in the width direction and The inorganic member is inserted into the inorganic member holding groove between the panels, the protruding piece is fixed to the skeleton by a fixing tool, the joint material is planted in a continuous manner at the joint between the panels, and the joint between the panels is formed. A plurality of the joint cover attachments are fixed on the protruding piece at a predetermined pitch, and the joint cover is formed by fitting an engagement portion of the joint cover to a locking portion of the joint cover attachment. Wall refractory joint structure.