JP5749129B2 - Opening building materials - Google Patents

Description

  The present invention relates to a single shutter installed in an opening of a building, and an opening building material such as a sash with a shutter in which the shutter and the sash are integrated.

  A shutter may be installed on the outdoor side of the window for crime prevention, etc. In such a shutter, when a fire occurs, the lower frame will be melted and softened by the heat of the fire and deformed so that the outdoor side will fall down, As a result, a gap is formed between the seat plate of the shutter and the lower frame, and a flame, high-temperature gas, or the like may enter from the gap, leading to fire spread.

  The present invention has been made in view of the circumstances described above, and an object of the present invention is to provide an opening building material that can prevent intrusion of a flame or the like from between a seat plate of a shutter and a lower frame in a fire.

  In order to achieve the above object, an opening construction material according to the first aspect of the present invention includes a shutter seat plate, a lower frame, and a lower frame reinforcing material, and the seat plate is a tight material that contacts the upper surface of the lower frame. The lower frame reinforcing material has a vertical wall located on the indoor side of the tight material and a horizontal wall facing the lower surface of the seat plate, between the tight material and the vertical wall, the lower surface of the seat plate, and the lower frame A refractory material foamed by the heat of fire is provided between the upper surfaces.

  The opening construction material according to the invention described in claim 1 is provided with a fireproof between the tight material and the vertical wall, and between the lower surface of the seat plate and the upper surface of the lower frame, even if the lower frame is deformed so that the outdoor side is lowered in the event of a fire. Since the material is foamed by the heat of the fire, the refractory material shields between the seat plate and the lower frame of the shutter, so that intrusion of a flame or the like from between the seat plate and the lower frame of the shutter can be prevented. Since the lower frame reinforcing member has the lateral wall facing the lower surface of the seat plate, the seat plate can be supported by the lateral wall, and the refractory material can reliably shield between the seat plate and the lower frame.

It is a longitudinal cross-sectional view which expands and shows the attachment part to the frame of a shutter main body. It is an outdoor side front view which expands and shows the attachment part to the frame of a shutter main body. It is a top view which expands and shows the attachment part to the frame of a shutter main body. It is a disassembled perspective view of the part which the shutter main body of a frame attaches. It is a perspective view which shows how to attach the shutter main body to the frame. It is a disassembled perspective view of a shutter main body. It is a longitudinal cross-sectional view which expands and shows a lower frame part. It is a longitudinal cross-sectional view which shows the state of the lower frame part at the time of a fire. It is a longitudinal cross-sectional view which shows one Embodiment of the opening part building material of this invention. It is an outdoor front view of the opening construction material.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 9 and 10 show an embodiment of the opening building material according to the present invention, and show a single shutter installed so as to surround the sash 60 on the outdoor side of a house window. In this shutter, the upper frame 1, the lower frame 2, and the left and right eaves frames 3, 3 are framed, and a lintel 4 is installed on the upper part between the eaves frames 3, 3. A shutter body 6 is attached between the upper flange frames 3 and 3. A guide rail 8 for guiding the slat 7 of the shutter is attached to the outdoor side of the eaves frames 3 and 3 below the shutter body 6.
The frame 5 is made of an extruded shape of an aluminum alloy. As shown in FIG. 9, the frame attachment piece 9 formed at the indoor side end is brought into contact with the outer wall 10, and screws 12 are driven into the frame 11 and fixed. .

As shown in FIG. 6, the shutter body 6 has a winding shaft 15 installed between the left and right side plates 14, 14 of the iron box 13 that is open on the outdoor side, and iron slats 7, 7,. The door body 16 is attached, and a seat plate 17 is attached to the lower end portion of the door body 16. The box 13 is formed with mounting pieces 18a and 18b projecting laterally at the upper and lower portions of the left and right side plates 14, and the shutter body 6 has these mounting pieces 18a and 18b as shown in FIGS. Is attached to the fence frame 3 by abutting on the outdoor side surface of the fence frame 3 and driving and fixing the screws 19 to the fence frame 3. An insertion hole 20 for a screw 19 is formed in the vertical direction in the mounting pieces 18a and 18b (see FIG. 2), so that the mounting position of the shutter body 6 can be finely adjusted in the vertical direction. .
A hook 21 that can hook the upper mounting piece 18a of the box 13 is attached to the outdoor side surface of the cage frame 3, and a receiving bracket 22 that receives the lower portion of the box 13 is attached to the inner circumferential side surface of the cage frame 3. is there. The lower portion of the box 13 has a projecting piece 23 projecting downward, and the receiving fitting 22 is provided with a fitting portion 24 that fits the projecting piece 23.

  On the inner peripheral side of the upper part of the collar frame 3, a collar frame reinforcing material 25 is provided. As shown in FIGS. 3 and 4, the frame frame reinforcing member 25 is formed by bending an iron plate. The frame frame reinforcing member 25 is provided at the indoor side end and is fixed to the frame 11 with a screw 26, and a frame fixing unit 27. A vertical wall 28 disposed along the inner peripheral side surface of the frame 3, a horizontal wall 29 projecting outward from the upper edge of the vertical wall 28, and a shutter body fixing portion 30 hanging downward from the outdoor side edge of the horizontal wall 29; have. The shutter body fixing part 30 is provided with female screw holes 32a and 32b into which screws 31 for attaching the hooks 21 and screws 19 for fixing the attachment pieces 18a of the box 13 are screwed. 30 is inserted into the hollow portion 33 of the collar frame 3 from the small edge of the collar frame 3 and is disposed so as to contact the inner surface of the outdoor side wall 34 of the collar frame 3. The vertical wall 28 is fixed to the inner peripheral side wall 36 of the collar frame 3 by screws 35.

  Next, a procedure for attaching the shutter body 6 will be described. As shown in FIG. 5, the shutter body 6 has the left and right side plates 14, 14 of the box 13 inserted between the vertical walls 28, 28 of the left and right frame frame reinforcing members 25, 25, and the protruding piece 23 at the bottom of the box 13 is inserted. Push it straight toward the indoor side while placing it on the receiving bracket 22. When the shutter body 6 is pushed to a predetermined position, the projecting piece 23 at the lower part of the box 13 falls into the fitting part 24 of the receiving metal member 22 and is slightly lowered, and the lower part of the box 13 is positioned by the receiving metal member 22. The mounting piece 18 a at the top of the box 13 is locked to the hook 21, and the shutter body 6 is temporarily placed on the top between the collar frames 3 and 3. Thereafter, the screws 19 inserted through the screw insertion holes 20 of the four attachment pieces 18a and 18b are screwed into the collar frame 3 to fix the shutter body 6. The screws 19 inserted through the two upper mounting pieces 18 a are screwed into the female screw holes 32 a of the shutter body fixing portion 30 of the collar frame reinforcing member 25.

  In this way, the shutter body 6 has the mounting piece 18 a fixed to the shutter body fixing portion 30 of the iron frame frame reinforcing material 25 fixed to the frame 11 with the screw 19, whereby the shutter body 6 is fixed to the frame frame reinforcing material 25. Therefore, even if a fire occurs and the frame 3 is melted / softened, the shutter body 6 can be prevented from falling or falling off the outdoor side. Since the shutter body 6 is fixed to the shutter body fixing portion 30 of the frame frame reinforcing member 25 with the screws 19 for attaching the shutter body 6 to the frame frame 3, when the shutter body 6 is screwed to the frame frame 3, the frame frame Since it is connected with the shutter main body fixing part 30 of the reinforcing member 25, the workability is good. Further, a hook 21 is fixedly attached to the shutter body fixing portion 30 of the frame frame reinforcing member 25 with screws 31 on the outdoor side surface of the frame frame 3, and when the shutter body 6 is about to fall off, an attachment piece is attached to the hook 21. Since 18a is locked, it is possible to more reliably prevent the shutter body 6 from falling over or falling off. In the frame frame reinforcing member 25, a vertical wall 28 and a horizontal wall 29 that connect the frame fixing unit 27 and the shutter main body fixing unit 30 are arranged along the inner peripheral side surface of the frame frame 3 and the upper end of the frame frame 3, respectively. Therefore, the shutter body 6 can be positioned in the left-right direction by the vertical walls 28 and 28 without interfering when the shutter body 6 is attached between the frame frames 3 and 3.

  As shown in FIG. 1, an iron front cover 37 is provided on the outdoor side of the shutter body 6, and the front cover 37 covers the outdoor side of the box 13. The front cover 37 has an upper edge portion locked to a locking portion 38 provided at an outdoor side end portion of the upper frame 1, and a lower portion attached to a screw fixing portion 39 provided at a lower end portion on the outdoor side of the box 13 with a screw 40. Further, an angle-shaped fixing bracket 41 is provided on the side plate 14 of the box 13, and an intermediate portion in the vertical direction is fixed to the fixing bracket 41 with a screw 42. As described above, the front cover 37 is screwed not only to the lower part but also to the middle part in the vertical direction to the fixing bracket 41 attached to the box 13, so that the upper frame 1 is melted and softened in the event of a fire, and the upper edge part is engaged. Even if it stops, it will not fall out.

  As shown in FIG. 7, the seat plate 17 is made of an extruded material of an aluminum alloy. A tight material holder 43 is provided at a lower end portion of the seat plate 17, and the tight material 44 is attached. It is in contact with the upper surface of the part. The tight material 44 is made of sintered chloroprene rubber and does not burn in the event of a fire. At a position spaced upward from the tight material holder 43, a handle 45 is formed to project indoors, and the lower surface of the handle 45 is foamed and expanded in response to heat over the entire length in the longitudinal direction. A refractory material 46a is provided. Such a heat-foamable refractory material can be appropriately selected from commercially available products, and for example, trade name “Fibrok” manufactured by Sekisui Chemical Co., Ltd. can be used. This is an organic refractory material utilizing plastic technology, and is a thin sheet in a normal state. When heated to 200 ° C. or more, it expands 5 to 40 times in the thickness direction to form a heat insulating layer. It does not disappear in the event of a fire, and no harmful gases are generated. Further, since the fibro has an adhesive layer with release paper on one side, it can be easily attached by peeling off the release paper.

  The lower frame 2 has a groove portion 47 into which the lower end portion of the guide rail 8 is inserted on the outdoor side, and a lower frame reinforcing material 48 formed of a stainless steel plate in a position closer to the indoor side in the groove portion 47 along the longitudinal direction. It is provided. The lower frame reinforcing member 48 contacts the outdoor vertical wall 49 located on the indoor side of the tight member 44 of the seat plate 17, the horizontal wall 50 facing the handle portion 45 of the seat plate 17, and the indoor wall of the groove portion 47. It has an indoor vertical wall 51 in contact with it and a fixing portion 53 fixed to the bottom surface of the groove portion 47 with screws 52. On the outdoor side surface of the outdoor vertical wall 49 of the lower frame reinforcing material 48, a refractory material 46b that foams and expands in response to heat is provided over the entire length in the longitudinal direction.

  In the event of a fire, the lower frame 2 is melted and softened by the heat of the fire, the outer side is deformed so as to be lowered, and the seat plate 17 is also going to be lowered. However, as shown in FIG. 17 is received by the lateral wall 50 of the lower frame reinforcement member 48 to prevent the lowering of the seat plate 17, and the refractory material provided on the lower surface of the handle portion 45 of the seat plate 17 and the outdoor side surface of the lower frame reinforcement member 48. 46a and 46b foam in response to the heat of the fire and close the gap between the lower part of the seat plate 17 and the upper surface of the lower frame 2, so that flames, smoke, etc. enter between the seat plate 17 and the lower frame 2 from the outside to the indoors. Alternatively, it is possible to prevent the invasion from the indoor to the outdoor and prevent the spread of fire. By providing the lower frame reinforcement member 48 only in the groove 47 on the outdoor side of the lower frame 2, the lower frame 2 is more resistant to fire in the event of a fire than when the lower frame reinforcement member is provided so as to cover the entire upper surface of the lower frame 2. It is difficult to be heated and deformation of the lower frame 2 can be suppressed.

As shown in FIGS. 1, 3, and 7, a frame auxiliary material 54 is provided around the frame 5. The frame auxiliary material 54 is a long material formed of an extruded shape of an aluminum alloy, has a groove portion 55 having a U-shaped cross section, and finding walls 56 a and 56 b projecting on both sides of the groove portion 55. The head 9 of the housing and the head of the screw 12 that secures it to the housing 11 are concealed from the outdoor side. The frame auxiliary material 54 is attached by fixing the groove portion 55 to the housing 11 with a screw 57, and the screw 57 is concealed by fitting the eye plate 61 into the groove portion 55.
On the indoor side of the frame auxiliary material 54, a refractory material mounting member 58 formed by bending a thin stainless steel plate is provided so as to be fastened together with the frame auxiliary material 54. The refractory material mounting member 58 has an L-shaped cover portion 59 that surrounds the head of the screw 12 that attaches the housing fixing piece 9 to the housing 11 from the outdoor side. A refractory material 46c that foams and expands in response to heat is provided over the entire length in the longitudinal direction.

  When a fire occurs, as shown in FIG. 8, the refractory material 46 c attached to the refractory material attachment member 58 foams and covers the frame fixing piece 9 and the head of the screw 12. Thereby, since the frame fixing piece 9 and the screw 12 are protected from fire flames, it is possible to prevent the frame 5 from separating from the outer wall 10 and to improve the fireproof performance. Since the refractory material 46c is provided on the stainless refractory material mounting member 58, even if the frame auxiliary material 54 disappears due to a fire, the effect of protecting the frame fixing piece 9 and the screw 12 can be maintained.

  The present invention is not limited to the embodiments described above. In the embodiment, the frame 5 is a single shutter configured separately from the frame 60a of the sash 60, but the shutter frame 5 and the frame 60a of the sash 60 are configured integrally. The frame 5 and the frame 60a of the sash 60 may be connected. The frame frame reinforcing material 25 and the lower frame reinforcing material 48 may be formed of a material that is more resistant to heat than aluminum and is not easily melted or deformed in the event of a fire, and the shapes thereof may be changed as appropriate. it can. The refractory material 46 a can also be provided on the upper surface of the lateral wall 50 of the lower frame reinforcement 48 or the upper surface of the lower frame 2. The refractory material 46 b can also be provided on the indoor side surface of the lower end portion of the seat plate 17.

DESCRIPTION OF SYMBOLS 1 Upper frame 2 Lower frame 3 Gutter frame 5 Frame 6 Shutter main body 17 Seat plate 18a, 18b Mounting piece 19 Screw 25 Gutter frame reinforcement 27 Girder frame fixing part 28 Vertical wall (connection part)
29 Horizontal wall (joint part)
30 Shutter body fixing part 44 Tight material 46a, 46b, 46c Thermal foaming refractory material 48 Lower frame reinforcement 49 Outdoor vertical wall (vertical wall)
50 side wall

Claims (1)

  The shutter has a seat plate, a lower frame, and a lower frame reinforcing material. The seat plate has a tight material that contacts the upper surface of the lower frame, and the lower frame reinforcing material is a vertical wall located on the indoor side of the tight material. And a horizontal wall facing the lower surface of the seat plate, and a refractory material foamed by heat of fire is provided between the tight material and the vertical wall, and between the lower surface of the seat plate and the upper surface of the lower frame. Opening building material.

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