JP2761410B2 - 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, this kind of panel joint part, as described in Japanese Utility Model Publication No. 52-3047, actually connects the male and female connection parts, penetrates the bolt from the connection part surface, and fixes it to the ground via a nut It had a structure to do. In an attempt to solve this, a structure as disclosed in Japanese Utility Model Application Laid-Open No. 64-53310 is disclosed, and as shown in Japanese Utility Model Application Laid-Open No. 64-44906, a cover plate is provided on the back surface of the panel 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, the fire 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. further,
Although the fire resistance was improved by the formation of the cover plate, there was a disadvantage that the thermal bridge deteriorated the heat insulation, fire resistance and dew condensation resistance because the front and back surfaces were integrally formed (contacted).

[Means for solving the problem]

In order to eliminate such a drawback, the present invention does not allow the supporting member and the insertion piece of the mounting member and the panel having a substantially E-shaped cross section to be exposed to the exposed core material in the width direction of the panel so as not to come into contact with the surface material of the panel. And the back of the joint part is covered with a fixture and a tile plate, and the joint part near the panel is fixed to the skeleton by a fixture, and the joint material is planted in a continuous manner with respect to this joint part. Provided is a wall fireproof joint structure in which a large number of joint cover attachments having locking portions at both ends are fixed to the joint portion, and joint covers having engagement portions at both ends are integrally fitted to the joint cover attachment. Is what you do.

〔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.
C is the joint material, D is the joint cover fixture, E is the joint cover,
F is a joint part. More specifically, the panel A is the second
As shown in the figure, a metal surface material 1 having a hat-shaped cross section and an elongated body (hereinafter, simply referred to as a surface material), and a cross-section hat formed on the back surface of the surface material 1 made of plastic foam And a metal backing material 8 (hereinafter, simply referred to as a backing material) covering at least the back surface of the core material 7 in the longitudinal direction of the core material 7 to form a sandwich structure. More specifically, the front surface material 1 and the back surface material 8 are metal materials, for example,
One of Al, Fe, Cu, stainless steel, aluminum / zinc alloy plated steel plate, color steel plate, clad steel plate, vibration damping steel plate (sandwich steel plate), fluorine coated steel plate, etc., was formed by pressing, extrusion, roll forming, etc. Things. That is, the surface material 1 has a long decorative surface 2, side walls 3 bent downward on both side edges of the decorative surface 2, perpendicularly to the decorative surface 2, or inwardly and outwardly; A projecting piece 4 whose lower end is bent outward and extended, a joint cover attachment guide 5 (hereinafter simply referred to as a guide) whose tip is bent upward or downward, and an end of the guide 5 The edge is composed of a side piece 6 bent vertically downward. In addition, as shown in FIG.
The guide 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 projecting piece 4, and the panel A
Are made linear so that the panels 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. 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,
Side walls 3 the width W ₃ from the edge to the side piece 6 20~100mm position, the height H ₁ from the decorative surface 2 to the protruding piece 4 is position 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 one of those added with a flame retardant and a flame retardant auxiliary,
Alternatively, it has a structure in which one or more of these are laminated, or a structure in which mineral fibers or inorganic molded bodies are laminated with one or more layers interposed therebetween. 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. Also, back material
8 covers the rear surface of the main core 7 as shown in FIG. 2, the reinforcing material, waterproof material, moisture-proof material, has a function of fire material,
It serves as a separating member for preventing the core member 7 from directly contacting the skeleton α. The shape of the back material 8 is as follows.
A side piece 9 having both ends in the width direction bent upward and inwardly in an L-shape, and a notch 10 formed by cutting off the vicinity of the side piece 9 are formed. Further, the back sheet 8, when the full width and W _4, a relation of W ₂ = W _4. Further, reference numeral 11 denotes an engaging groove, as shown in FIG. 1, into which the supporting and inserting piece 14 of the mounting / brick board B is inserted as shown in FIG. The joint piece 14 is interposed to improve mainly the fire resistance of the joint portion F and to function as a waterproof surface and a fixing surface. Further, the engaging groove 11 is to form the core material 7 between the surface material 1 and the back surface member 8, core such that the surface material 1 and the engaging groove 11 reliably core 7 between exists 7 Is cut out so that the surface material 1 does not come into contact with the attachment / siding plate B. This is because the core material 7 is interposed between the front surface material 1 and the back surface material 8 and between the mounting member and the seam plate B, and the thermal bridge between the front surface material 1 and the back surface material 8 is blocked. And to improve the dew condensation resistance. The mounting fixture / bill board B is the third
As shown in the drawing, the upper portion of the vertical piece 12 is a long plate member formed with a horizontal flat fixing piece 13 and a supporting / inserting piece 14 at the lower edge,
As the material, a metal plate of the same quality as the front and back members 1 and 8 is formed by roll forming, or a metal material such as aluminum is formed by extrusion. More specifically, the fixing piece 13 includes a mounting member and a siding plate B which is a frame α.
And a portion that functions as a waterproof surface, a reinforcing surface, and a surface for preventing the flame from entering the skeleton α in the event of a fire on the back surface of the joint portion F. Also,
The supporting / inserting piece 14 is inserted into the engaging groove 11 of the panel A, fixes the panel A to the frame α, and is formed in the middle of the joint F in the thickness direction and orthogonal to the joint. It has a large function to prevent rainwater, flame, etc. from reaching the skeleton side. As shown in FIG. 1, the joint material C is continuously implanted between the guide portions 5, and mainly improves the waterproofness and airtightness at the joint portion F, and has secondary durability, weather resistance, and fire resistance. , Earthquake resistance, wind pressure resistance and the like, as its material, such as hot melt, silicone, polyurethane, acrylic,
SBR type, or one of flexible foam type, rubber type, EPDM, latex, etc., and expands when absorbing water,
Acrylic super-absorbent resin that shrinks during drying, releases crystallization water under high heat, and foams and hardens Borax, sodium metaborate, or one containing aluminum hydroxide, phosphate, etc. It is. When a fire-resistant material is used as the joint material C, the joint material C has a fire resistance that can pass a fire test due to a synergistic effect with the mounting plate 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 fixing portion 15 , a mounting hole 16 , a stabilizing piece 17, and an engaging portion 20. Things. More specifically, the fixing portion 15 has a horizontal plane shape, and includes a mounting hole 16 and stabilizers 17 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. . Locking part
Reference numeral 20 denotes a rising piece 18 in which the edge of the fixing portion 15 is bent upward.
And a locking piece 19 in which the tip of the rising piece 18 is formed at an acute angle with respect to the extension of the fixed portion 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 17 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 19 is for locking an engaging piece 23 of the joint cover E described later, and fixing the joint cover E to the joint portion F between the panels A. By forming the joint cover E, even if the joint cover E comes off from one of the joint cover attachments D, the joint cover E is locked by the other joint cover attachment D. It will be easy. Further, the joint cover E is made of the above-mentioned metal sheet material, and has a horizontal plane decorative surface portion 21 and side wall decorative portions which are formed by inclining both end edges of the decorative surface portion 21 downward as shown in FIG. Face 22
And an engaging portion 24 formed by bending the tip of the side wall decorative surface 22 inwardly into a shape that can be locked to the locking piece 19 described above.
It consists of: To elaborate further, the face 21
As shown in FIG. 1, the panel A is fixed to the joint F by the joint cover fixture D.
Is used to cover the fixing tool β used for fixing the fixing tool β on the frame α so that the fixing tool β is not exposed to the outside. Further, the engagement piece 23 is locked by the locking piece 19 of the joint cover attachment D, and the joint cover E is fitted to the joint cover attachment D, so that the joint cover E is securely placed on the joint F. It is for fixing without detachment.

Here, the dimensional relationship between the panel A and the mounting / bill board B will be described with reference to FIGS. 2 and 3. In the panel A, the depth of the engaging groove 11 is set to l ₁ , l ₂ , notch. 10 width l ₃ ,
l ₄ , the height of the side piece 9 is H ₂ , H ₃ , and the opening height of the engaging groove 11 is
H ₄ , H ₅
L _5, l ₆ the length of 14, l _7, l ₈ the length of the fixing piece 13, a vertical piece 12
Assuming that the heights of the supporting and inserting pieces 14 are H ₆ and H ₇ and the thicknesses of the supporting and inserting pieces 14 are H ₈ and H ₉ , l ₁ ≒ l ₅ , l ₂ ≒ l ₆ , l ₃ ≒ l ₇ , l ₄ ≒ l ₈ , H ₂ ≒ H ₆ , H ₃ ≒
H ₇ , H ₄ ≒ H ₈ , and H ₅ ≒ H ₉ .

 Next, a construction example will be described.

Now, in order to form an outer wall as shown in FIG. ₁ , a support and insertion piece of a fixture and a floor plate B is inserted into an engaging groove 11 of a panel A ₁ as shown in FIG. 14 and cutout
The fixing piece 13 is inserted into the unit 10 to be integrated, and the protruding piece 4 is vertically fixed by a fixing tool β made of a screw.
Next, insert the engaging groove 11 of the panel A ₂ to the support and insertion piece 14,
The panels A ₁ and A ₂ are abutted against each other, and the projecting piece 4 of the panel A ₂ is fixed by the fixing tool β. 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 formed of blind rivets. After installing the joint cover fitting D is completed, the locking portion 20 of the joint cover fitting D, and fitting the engaging portion 24 of the elongated joint cover E as shown in FIG. 5,
The joint portion F between the panels A is covered with the joint cover E to complete the construction.

[Other Examples]

The above is only one embodiment of the joint structure according to the present invention, and FIGS. 6 (a) to (l) to 9 (a) to
A panel A and a fixture / brick board B as shown in (j) can be used. That is, FIGS. 6 (a) to (l) show the panel A in which the shape of the decorative surface 2 of the surface material 1 of the panel A is mainly deformed, and FIGS. Panel A in which a face material 25 made of a sheet-like material, a synthetic resin plate, a metal plate, an inorganic plate, or the like is formed so that the core material 7 does not leak from the gap between the front surface material 1 and the back surface material 8 . Panel A in which a mineral fiber such as rock wool or asbestos, a fibrous material such as glass fiber or aramid fiber, or a fibrous sheet-like material 26 is interposed in the middle of the material 7, or not shown, but on the front side or the back side. The figure shows a panel A in which the core 7 is made of two layers of organic and inorganic, and the figure (d) shows a padding material 27 (thickness such as synthetic resin foam, inorganic material, etc.) for forming a thickness between the surface material 1 and the back material 8. Panel (e) in which the material (or long material) is formed functions as a reinforcing / separating material, a stopper material, and a fireproof material. The reinforcing material 28
Panel A in which (an inorganic material or the like) is disposed between the surface material 1 and the back material 8 , (f) shows an aggregate 29, such as pearlite grains or glass beads, on the back surface of the protruding piece 4 or not shown. Is a panel A in which the core material 7 on the entire surface is densely filled, and FIG. 7 (g) is a panel A in which a dovetail groove 30 is formed on the back surface so that the panel A can be fixed to the skeleton α even at the center. Further, FIG. 8 (a),
(B), at one end edge in the longitudinal direction of the panel A, or at both end edges (not shown), the surface material 1 is lowered downward as shown in FIG. 8 (b) (a sectional view taken along the line II in FIG. 8 (a)). This is for improving the workability, durability, weather resistance and earthquake resistance of the caulking material at the joint between the ends of the panel A. Panels A can be obtained by combining FIGS. 6 (a) to (l) to FIGS. 8 (a) and (b). FIG. 9 (a)
(J) are other modified examples of the mounting / stacking plate B,
In particular, (h) is a fixture / seat plate B on which the reinforcing member 28 is formed, (i) is a fixture / seat plate B on which a packing material, a caulking material 31 and the like are formed, and (j) is a view. It is a fixture B which is formed by extruding.

[Effects of the Invention] As described above, according to the fire-resistant wall joint structure according to the present invention, the joint material significantly improves the 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 due to the interposition of the E-shaped fixture and the roof plate. 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 front surface material and the back surface material do not come into contact with each other even at joints (connection portions), heat insulation, fire resistance (prevention of invasion of flame to the skeleton side), and dew condensation resistance are improved. It is possible to form a wall with improved heat insulation, soundproofing, external force resistance, earthquake resistance, aesthetics, and the like. 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 embodiment of a panel, and FIG. FIG. 4 is an explanatory view showing an example of the joint cover attaching tool, FIG. 5 is an explanatory view showing an embodiment of the joint cover, FIG.
Figures (a) to (l), FIGS. 7 (a) to (g), FIGS. 8 (a) and (b), and FIGS. It is explanatory drawing which shows the other Example of this. A: Panel, B: Mounting fixture and floor board, C: Joint material,
D ... joint cover fixture, E ... joint cover, F ... joint part.

──────────────────────────────────────────────────続 き Continued on the front page Examiner Hiroyuki Inoue (58) Field surveyed (Int.Cl. ⁶ , DB name) E04F 13/08 E04F 13/12 E04F 19/06

Claims (1)

(57) [Claims] 1. A long decorative surface, side walls provided on both side edges of the cotton, a lower end of the side wall which is bent outward to extend a nail, and also serves as a nail driving device. A metal surface material having a cross section formed in a hat shape from a side piece with an edge bent downward,
A core material made of plastic foam having a hat-shaped cross section filled on the back surface of the front material, and a metal back material covering at least the back surface of the core material, and the front and back edges in the width direction between the back materials. A panel formed from an engaging groove formed by cutting out a core material exposed at a portion thereof into a substantially U-shaped cross section, and a mounting member having a substantially E-shaped cross section from a horizontal supporting and inserting piece and a fixing piece. A joint sheet, a joint material having at least water repellency, a rising portion having both ends fixed to the horizontal plane and the fixing portion bent upward, and a locking piece having the tip of the rising portion bent inward. A short joint joint cover fitting having a locking portion composed of: a decorative surface portion having a horizontal surface, a side wall decorative surface having both end edges of the decorative surface portion bent downward at an obtuse angle, and a tip of the side wall decorative surface being formed at an acute angle inward. A long joint cover formed with an engaging part from an engaging piece bent at In the panel, the side end surfaces in the width direction are abutted, and the support / insertion piece of the mounting tool and the tile plate is inserted into the engagement groove between the panels to cover the joint portion back surface, and the panel itself is The protruding pieces are fixed to the skeleton by the fixing tool, the joint material is planted in a continuous manner at the joints between the panels, and a large number of the joint cover attaching tools are fixed at a predetermined pitch on the projecting pieces between the panels. The joint cover is formed by fitting an engaging portion of the joint cover to a locking portion of the joint cover mounting member.