JP2014070400A - Sash with rolling shutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sash with a rolling shutter configured to prevent a storage part and a guide rail member from communicating with an outdoor side even in the case of a fire.SOLUTION: A sash with a rolling shutter has a frame body 1 formed by combining an upper frame 10, a lower frame 11, and left and right vertical frames 12, 12. The upper frame 10 has a storage part 2 which supports and winds up a door body 3 to freely store it. Guide rail members 13 for guiding left and right ends of the door body 3 respectively are provided on outdoor sides of the left and right vertical frames 12. The storage part 2 has a lateral face for supporting a take-up shaft 23 which freely winds up the door body 3, and a heat foam material 43 is provided between the upper part of the guide rail member 13 and the lateral face of the storage part 2 in the upper part of the guide rail member 13.

Description

  The present invention relates to a sash with a shutter provided with a storage portion for storing a rollable door body on an upper frame of a frame body provided in an opening of a building, and in particular, when a fire occurs, the inside and outside of the storage portion are closed to enhance fire prevention performance. Related to sash with shutter.

  In a sash with a shutter provided with a storage portion that houses a rollable door body on an upper frame of a frame body provided in a building opening, high fireproof performance may be required. There are cases where the fire occurs on the indoor side of the sash with the shutter and on the outside of the room. In either case, it is required that the indoor and outdoor shielding state by the sash with the shutter be maintained.

  As a fire prevention measure for a sash with a shutter, there is a method in which a fire prevention plate is provided on the outdoor side surface of the storage portion to block a gap between the building opening and the sash frame. An example of such a sash with a shutter is disclosed in Patent Document 1.

Japanese Patent Laid-Open No. 9-32437

  Guide rail members for guiding the left and right end portions of the door body in the vertical direction are provided on the vertical frame constituting the frame body of the sash with shutter. The upper end portion of the guide rail member reaches the position of the side wall constituting the storage portion. Since the guide rail member needs to be lifted upward when it is attached to the vertical frame, a concave notch is formed in the lower portion of the side wall of the storage portion.

  When the guide rail member is attached to the vertical frame, the cutout portion formed on the side wall of the storage portion is in an open state. Therefore, the resin cover and the metal back plate are attached so as to close the guide rail member. However, if the sash with a shutter is exposed to a high temperature in the event of a fire, the resin cover melts and falls off, and the metal back plate is also deformed, resulting in a gap in this portion. If there is a gap in the side wall of the storage part, high temperature gas will enter from there, and the resin parts provided in the storage part will melt and generate additional gaps, or the flame may be exposed indoors Could result. In this case, the upper end of the guide rail is exposed to the outside of the room through a gap, so that the inside of the guide rail communicates with the outside of the room and communicates with the interior of the guide rail through the inside of the guide rail. There was also a possibility that the shielding performance would deteriorate.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a sash with a shutter that prevents the storage portion and the guide rail member from communicating with the outdoor side even in the event of a fire.

In order to solve the above-mentioned problem, a sash with a shutter according to the invention of claim 1 has a frame body formed by framing an upper frame, a lower frame, and left and right vertical frames, and the upper frame supports a door body. In a sash with a shutter having a storage part that can be rolled up and stored,
Guide rail members for guiding left and right end portions of the door body are provided outside the left and right vertical frames, and the storage portion has a side surface that supports a winding shaft that can freely wind the door body,
The upper end portion of the guide rail member is provided with a heating foam material between the side surface of the storage portion.

  According to the first aspect of the present invention, in the event of a fire, the heated foam material foams to increase the volume, and the gap between the upper end portion of the guide rail member and the side surface of the storage portion can be closed.

  Further, in the sash with a shutter according to the invention of claim 2, a lower concave notch for accommodating the upper end of the guide rail member is formed on the side surface of the storage portion, and the upper end surface of the guide rail member and the notch A space part is formed between the upper end of the heat foaming material and the heating foam material is arranged so as to face the space part.

  According to the second aspect of the present invention, since the heating foam material faces the space portion between the cutout portion formed on the side surface of the storage portion, the space portion can be reliably closed when a fire occurs.

  According to the sash with a shutter according to the present invention, the heating foaming material foams in the event of a fire, thereby closing the gap where the storage portion communicates with the outdoor side, and the guide rail member also closes the upper end portion to It is possible to prevent communication.

It is a longitudinal cross-sectional view of the sash with a shutter in this embodiment. It is a cross-sectional view of the sash with a shutter in this embodiment. FIG. 2 is an enlarged view of the vicinity of a storage unit in FIG. 1. It is a disassembled perspective view of the components which comprise a storage part. It is a disassembled perspective view of guide rail member vicinity vicinity. It is an accommodation section vicinity expanded sectional view at the time of fire outbreak.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal sectional view of a sash with a shutter according to the present embodiment, and FIG. 2 is a transverse sectional view of the sash with a shutter according to the present embodiment. As shown in each of these drawings, the sash with a shutter according to the present embodiment is a frame 1 in which an upper frame 10 and a lower frame 11 having a box-shaped storage portion 2 and left and right vertical frames 12 and 12 are squarely framed. The frame 1 is attached to the outdoor portion of the building opening.

  The storage unit 2 has an upper surface 20, a lower surface 21, and a side surface 22. A winding shaft 23 is rotatably attached to the side surface 22, and a door formed by connecting a number of slats 30 in the vertical direction. The body 3 can be wound, and the door body 3 can be stored in the storage portion 2. The door body 3 can be pulled out downward from an opening 24 formed in the lower portion of the storage portion 2. FIG. 1 shows a state in which the door body 3 is pulled out and fully closed.

  The upper frame 20 having the storage portion 2 has an upper member 15 that constitutes the upper surface 20 and a lower member 16 that constitutes the lower surface 21, and the storage portion 2 further includes a side member 18 that constitutes the side surface 22, and A cover member 17 constituting the outdoor side surface of the storage unit 2 is provided from the upper member 15.

  A guide rail member 13 that guides the left and right ends of the door body 3 in the vertical direction is provided on the outdoor side of the vertical frame 12. The guide rail member 13 includes a concave guide portion 13a that swallows the left and right ends of the door body 3, and has an outdoor hollow portion 13c on the outdoor side of the guide portion 13a. A steel guide rail reinforcement member 13d is provided in the outdoor hollow portion 13c. Further, by attaching the guide rail member 13 to the vertical frame 12, an indoor hollow portion 13e is formed on the outer peripheral side and the indoor side of the guide portion 13a.

  At the lower end of the door body 3, a skirting board member 31 having a width over substantially the entire length between the guide rail members 13 is provided. The skirting member 31 has an integral handle portion 31b that protrudes in an inverted L shape on the outdoor side of the outdoor surface portion 31a formed in a planar shape, and a lock cover member 33 is provided on the indoor side of the outdoor surface portion 31a. Is provided. In a region surrounded by the outdoor surface portion 31a and the lock cover member 33, a lock mechanism that locks the skirting member 31 when the door body 3 is fully closed is housed.

  On the outdoor side of the lower frame 21, a concave groove 11 a that can accommodate the baseboard member 31 is formed. By arranging the skirting member 31 at the lower end portion of the frame body 1, the skirting member 31 is accommodated in the groove portion 11 a and the outdoor side surface 11 b of the lower frame 21 constituting the groove portion 11 a is connected to the handle portion of the skirting member 31. It will be in the state where 31b straddled.

  FIG. 3 shows an enlarged view of the vicinity of the storage portion 2 in FIG. The opening 24 of the storage unit 2 has an indoor edge formed by the outdoor end of the lower member 16 and an outdoor edge formed by the lower end of the cover member 17. A mohair member 25 is provided along the longitudinal direction at the edge on the outdoor side of the opening 24, and is in contact with the outdoor side surface of the door 3.

  A support body 40 is provided along the longitudinal direction of the opening 24 at the lower end of the inner surface of the cover member 17 serving as the outer edge of the opening 24. The support body 40 includes a base section 40a having a hollow cross-section having an outer shape substantially conforming to the inner surface shape of the cover member 17, and has an inclined support surface 40b above the base section 40a. An opening reinforcing member 41 is provided in the base portion 40a to reinforce the outdoor edge of the opening 24. The mohair member 25 is fixed to the indoor side surface of the base 40a, and the heating foam 42 is attached to the support surface 40b. The heated foam material 42 is formed in a sheet shape, and its volume increases several tens of times when the temperature is equal to or higher than a predetermined temperature. The heated foam material 42 is fixed to the support surface 40b by riveting.

  The support surface 40b of the support body 40 has an inclined surface shape facing diagonally upward on the indoor side, and the heating foam 42 fixed to the support surface 40b also faces diagonally upward on the indoor side, and the door It faces the outdoor side surface of the body 3.

  The door 3 whose one end is fixed to the take-up shaft 23 is suspended from the outdoor side of the take-up shaft 23 and extends downward from the opening 24. Since the heating foam 42 facing the outdoor side surface of the door body 3 is disposed in the vicinity of the opening 24, the heating foam material 42 faces a portion of the outdoor side surface of the door body 3 near the opening 24.

  In FIG. 4, the disassembled perspective view of the components which comprise the accommodating part 2 is shown. In this figure, the cover member 17 is omitted. The storage unit 2 includes a back surface member 19 that constitutes an indoor side surface and side surface members 18 that constitute side surfaces on both sides, and the aforementioned support body 40 is passed between the side surface members 18. The heating foam 42 is provided over substantially the entire length of the support 40 in the longitudinal direction.

  The side member 18 has a shaft support portion 18 a that supports the winding shaft 23 on the inner surface side, and a lower surface overhang portion 18 b projects from the lower end portion into the storage portion 2. Further, the lower side chamber outer side portion of the side member 18 is formed with a notch 18c that is notched in a concave shape. The side member 18 is made of steel, and the support body 40 and the opening reinforcing member 41 are fixed to the side member 18 with screws.

  Of the support 40, a substantially V-shaped member having a support surface 40 b is fixed to the opening reinforcing member 41 with screws. Therefore, the support surface 40b is fixed to the steel side member 18 via the steel opening reinforcing material 41, and the storage part 2 is exposed to high temperature in the event of a fire, and the aluminum member softens and melts. However, the heated foam material 42 can be reliably held.

  FIG. 5 shows an exploded perspective view near the upper end of the guide rail member 13. The guide rail member 13 is in a state where the upper end portion is accommodated in the lower portion of the notch portion 18c of the side member 18, and a space portion 13b serving as a gap is formed between the guide rail member 13 and the upper end position of the notch portion 18c. Is formed. In order to close this portion, a metal back plate member 50 is attached to the side member 18, and a resin cover body 51 is attached to cover the back plate member 50.

  At the upper end portion of the guide rail member 13, the heating foam material 43 is disposed so as to face the space portion 13 b formed between the cutout portion 18 c of the side member 18. The heating foam 43 is fixed to the guide rail member 13 by riveting.

  FIG. 6 shows an enlarged cross-sectional view of the vicinity of the storage unit 2 when a fire occurs. When a sash with a shutter is exposed to a high temperature due to a fire, especially when exposed to a high temperature due to a fire on the outdoor side, there is a gap between the outdoor edge of the opening 24 and the outdoor side surface of the door body 3. Since there is a large gap and the inside and outside of the storage unit 2 communicate with each other, there is a possibility that high-temperature gas from the outdoor side may enter the storage unit 2. On the other hand, as shown in FIG. 6, the heating foam material 42 provided in the vicinity of the opening 24 foams and the volume expands, so that the support surface 40 b of the support body 40 extends to the outdoor side surface of the door body 3. Since the gap between the outdoor edge of the opening 24 and the outdoor side surface of the door body 3 is filled with the heating foam material 42, high temperature gas can be prevented from entering the storage portion 2. it can.

  In the process in which the support body 40 and the heating foam material 42 become high temperature, the heating foam material 42 may fall off from the support surface 40b by its own weight, whereas the support surface 40b has an inclined surface shape. This can be prevented. Further, since the support surface 40b is inclined, it is possible to prevent the heating foam material 42 from interfering when the door 3 is opened and closed.

  Further, when the sash with the shutter is exposed to a high temperature, the back plate member 50 closing the space portion 13b between the guide rail member 13 and the cutout portion 18c of the side member 18 is deformed by heat, and the resin cover body Since 51 also melts and falls off, the space portion 13 b becomes a gap communicating with the inside of the storage portion 2. On the other hand, as shown in FIG. 6, the heating foam material 43 provided at the upper end portion of the guide rail member 13 foams and the volume expands, so that the gap of the space portion 13 b is closed. Intrusion of high-temperature gas into 2 can be prevented.

  In this way, with respect to the gap formed between the opening 24 formed on the lower surface 21 of the storage portion 2 and the door body 3, the heating foam 42 facing the outdoor side surface of the door body 3 at the outdoor edge of the opening 24. By providing the foaming of the heating foam material 42 when a fire occurs, it is possible to close the gap where the storage portion 2 communicates with the outdoor side, and it is possible to improve the fireproof performance.

  Moreover, about the space part 13b formed between the side surface 22 of the accommodating part 2 and the upper end part of the guide rail member 13, by providing the heating foam material 43 in the upper end part of the guide rail member 13, at the time of a fire outbreak, By foaming the heating foam material 43, it is possible to close the gap where the storage portion 2 communicates with the outdoor side, and further, the hollow interior of the guide rail member 13 can also be closed so as not to communicate with the outdoor side. In particular, since the hollow interior of the guide rail member 13 communicates with the indoor side, the fireproof performance can be greatly improved by closing the guide rail member 13 so as not to communicate with the outdoor side.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea.

DESCRIPTION OF SYMBOLS 1 Frame body 2 Storage part 3 Door body 10 Upper frame 11 Lower frame 12 Vertical frame 13 Guide rail member 13b Space part 17 Cover member 18 Side member 18c Notch part 19 Back surface member 20 Upper surface 21 Lower surface 22 Side surface 23 Winding shaft 24 Opening portion 30 slats 31 skirting board member 40 support body 40b support surface 41 opening reinforcing material 42 heating foam material 43 heating foam material 50 back plate member 51 resin cover body

Claims (2)

In a sash with a shutter having a frame formed by framing an upper frame, a lower frame, and left and right vertical frames, the upper frame supporting a door body and having a storage portion that can be rolled up and stored,
Guide rail members for guiding left and right end portions of the door body are provided outside the left and right vertical frames, and the storage portion has a side surface that supports a winding shaft that can freely wind the door body,
A sash with a shutter, wherein a heat foaming material is provided between an upper end portion of the guide rail member and a side surface of the storage portion.   A lower concave notch for receiving the upper end of the guide rail member is formed on a side surface of the storage portion, and a space is formed between the upper end surface of the guide rail member and the upper end of the notch, and the heating The sash with a shutter according to claim 1, wherein the foam material is disposed so as to face the space.

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