JP6074762B2 - sash - Google Patents

Description

  The present invention relates to a sash in which a shoji is placed in a frame body provided in an opening of a building, and in particular, includes a drainage structure having a water inlet hole on the upper surface of the lower frame constituting the frame body and a drain hole on the outer surface of the lower frame room. It relates to a sash with improved fire protection performance.

  A sash that includes a shoji placed in a frame provided in the building opening is provided with a drainage structure for draining water that has entered the room to the outside. As a drainage structure, a water inlet hole is formed on the upper surface of the lower frame constituting the frame body so that water that has entered the indoor side is guided to the hollow interior of the lower frame, and a drain hole is further formed on the outdoor side surface of the lower frame And what drains the water guide | induced to the hollow inside to the outdoor side is common.

  In a sash having such a drainage structure, it is required to increase the fireproof performance in the event of a fire. In order to increase the fire prevention performance in the event of a fire, it is necessary to prevent a gap from being created inside and outside the room even when the sash is exposed to high temperatures. Therefore, when the sash is exposed to a high temperature, it is necessary to close the water inlet hole and the drain hole constituting the drainage structure.

  Conventionally, metal parts are provided in the vicinity of the water inlet hole and in the vicinity of the water drain hole, respectively, and a heating foam material is provided for each of these parts, and by closing the water inlet hole and the water drain hole with the heating foam material in the event of a fire, I was trying to increase the fire protection performance. An example of such a sash is disclosed in Patent Document 1.

JP 2012-122303 A

  However, in a sash having a conventional drainage structure, parts for fixing the heating foam material are provided in the vicinity of the water inlet hole and in the vicinity of the drainage hole, respectively, which increases the number of parts and causes a cost increase. It was. In addition, when there is a fire on the outdoor side, there is a possibility that a flame may enter from the water inlet hole through the hollow portion of the lower frame from the drain hole, but it is also necessary to effectively prevent this.

  The present invention has been made in view of the above-mentioned problems, and it is possible to close both the water inlet hole and the drain hole of the lower frame with a small number of parts when a fire occurs, and to prevent the penetration of a flame penetrating the lower frame. The purpose is to provide a sash that can be used.

In order to solve the above-described problem, the sash according to the invention of claim 1 is a sash in which a shoji is placed in a frame formed by framing an upper frame, a lower frame, and left and right vertical frames.
The lower frame has an upper surface facing the lower side of the shoji and an outdoor surface facing the outdoor side, and has a hollow portion surrounded by the upper surface and the outdoor surface, and a water inlet hole is formed on the upper surface. , A drainage hole is formed in the outdoor side surface,
The hollow part is provided with a mounting part having a water inlet facing surface part facing the water inlet and a drain hole opposing surface part facing the drain hole, and the water inlet opposing surface part and the drain hole of the mounting part Each of the opposing surface portions is provided with a heating foam material, and the heating foam material is configured to face the water inlet hole and the drain hole, respectively .

  According to the first aspect of the present invention, it is possible to hold the heated foam material that closes the water inlet hole of the lower frame and the heated foam material that closes the drain hole of the lower frame in the event of a fire, and penetrates through the lower frame. It is possible to block the flame to be performed at the drain hole facing surface portion.

  Further, in the sash according to the invention of claim 2, the shoji is provided so that the inner shoji and the outer shoji are dragged, and the lower frame is an inner rail for guiding the inner shoji and an outer rail for guiding the outer shoji. And the water inlet hole is formed in a region between the inner rail and the outer rail, and the attachment component is in contact with a lower portion of the upper surface of the lower frame forming the hollow portion. It has the characteristic that it has a fixed surface part.

  According to the invention which concerns on Claim 2, while being able to fix an attachment component with respect to a lower frame easily, the intensity | strength with respect to the load of a lower frame can also be improved.

  According to the sash according to the present invention, it is possible to close both the water inlet hole and the drain hole of the lower frame with a small number of parts in the event of a fire, and to prevent the intrusion of a flame penetrating through the lower frame. Can be improved.

It is a longitudinal cross-sectional view of the sash in this embodiment. It is a cross-sectional view of the sash in this embodiment. It is an enlarged view of the lower frame vicinity in FIG. It is a front view of the attachment components holding the heating foam material. It is an enlarged view of the lower frame vicinity in the state 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 according to the present embodiment, and FIG. 2 is a transverse sectional view of the sash according to the present embodiment. As shown in each of these drawings, the sash of the present embodiment includes an inner frame 4 and an outer frame 5 in a frame 1 formed by frame- ing an upper frame 10, a lower frame 11, and left and right vertical frames 12, 12. The upper frame 10 is configured as a sash with a shutter that is provided with a storage portion 2 to store the door body 3 and that allows the door body 3 to be pulled out.

  The inner and outer shoji 4 and the outer shoji 5 have a panel body 7 made of a glass plate in a casing 6 in which an upper collar 40 and a lower collar 41 and left and right vertical collars 42 and 42 are assembled in a square shape. It is configured. The lower frame 11 constituting the frame 1 is formed with an inner rail portion 30 that guides the inner shoji 4 in the longitudinal direction and an outer rail portion 31 that guides the outer shoji 5 in the longitudinal direction. Further, the upper frame 10 constituting the frame body 1 includes an upper inner rail portion 10a for guiding the upper side of the inner shoji 4 in the longitudinal direction, and an upper outer rail portion 10b for guiding the upper side of the outer shoji 5 in the longitudinal direction. Is formed.

  The storage section 2 provided in the upper frame 10 includes a winding shaft 20 that holds the door body 3 in a freely rotatable manner, and an opening 21 through which the door body 3 is inserted on the lower side. The door body 3 has a plurality of slats 22 connected in the vertical direction, and a baseboard member 23 extending over substantially the entire width of the door body 3 is provided at the lower end portion. On the outdoor side of the vertical frame 12, guide rail members 13 that guide both end portions of the door body 3 are provided.

  As shown in FIG. 2, a stopper member 14 made of resin is disposed at an end portion of the inner rail portion 30 on the side where the outer shoji 5 is disposed. The stopper member 14 has a function of preventing a direct collision with the vertical frame 12 when the inner shroud 2 is opened. On the upper surface of the lower frame 11, a water inlet 33 is formed on the outdoor side of the stopper member 14.

  FIG. 3 shows an enlarged view of the vicinity of the lower frame 11 in FIG. On the outdoor side of the lower frame 11, a concave groove 11 a that can accommodate the baseboard member 23 is formed. By placing the skirting member 23 at the lower end of the frame body 1, the skirting member 23 is placed in the groove 11 a.

  A hollow portion 32 is formed on the indoor side of the groove 11 a of the lower frame 11. Both the inner rail portion 30 and the outer rail portion 31 are formed on the upper surface 11 b constituting the hollow portion 32. The water inlet 33 formed in the upper surface 11 b of the lower frame 11 is disposed in a region between the inner rail portion 30 and the outer rail portion 31. Further, a drain hole 34 is formed at the lower end portion of the outdoor side surface 11c constituting the hollow portion 32 to drain the water guided from the water inlet hole 33 into the hollow portion 32 to the outdoor side.

  In the hollow portion 32, an attachment part 35 holding a heating foam material 36, 37 is fixed. The attachment component 35 is made of a metal member, and includes a bottom wall portion 35a that contacts the bottom surface of the hollow portion 32, a drainage hole facing surface portion 35b that rises from the bottom wall portion 35a and faces the drainage hole 34, and a drainage hole facing surface portion 35b. A water inlet facing surface portion 35c that extends from the upper end portion toward the indoor side and faces the water inlet 33 is provided. A heating foam material 36 is riveted and fixed to the drain hole facing surface portion 35b, and a heating foam material 37 is riveted and fixed to the water inlet facing surface portion 35c.

  The heating foam materials 36 and 37 are each formed in a sheet shape, and when heated to a predetermined temperature or more in the event of a fire, they foam and increase in volume in the surface direction. The heating foam material 36 fixed to the drain hole facing surface portion 35b is two-layered. Moreover, the heating foam material 37 currently fixed to the water inlet opposing surface part 35c is piled up four sheets. As described above, by arranging the plurality of heating foam materials 36 and 37 so as to overlap each other, the volume can be greatly increased in the direction in which the heating foam materials 36 and 37 face.

  In FIG. 4, the front view of the attachment component 35 holding the heating foam materials 36 and 37 is shown. As shown in this figure, the water inlet facing surface portion 35c is formed over substantially half of the drain hole facing surface portion 35b in the width direction, and the remaining half of the drain hole facing surface portion 35b extends further upward to the upper end. The portion is a fixed surface portion 35d extending to the indoor side. The heating foam material 36 fixed to the drain hole facing surface portion 35b is provided over substantially the entire width of the drain hole facing surface portion 35b. As shown in FIG. 3, the fixing surface portion 35 d of the attachment component 35 is in contact with the lower portion of the outer rail portion 31 in the upper surface 11 b of the lower frame 11 forming the hollow portion 32 and is fixed by screws.

  In FIG. 5, the enlarged view of the lower frame 11 vicinity in the state at the time of fire outbreak is shown. When a fire occurs and the sash is exposed to a high temperature, the metal lower frame 11 and the attachment part 35 also become a high temperature. The heated foam materials 36 and 37 are foamed by the heat. Since the heating foam material 36 fixed to the drain hole facing surface portion 35b faces the drain hole 34 of the lower frame 11, it extends toward the drain hole 34 in the hollow portion 32, and finally the drain hole 34 is formed. Can be closed. On the other hand, since the heating foam material 37 fixed to the water inlet facing surface portion 35c faces the water inlet 33 of the lower frame 11, it extends toward the water inlet 33 in the hollow portion 32, and finally the water inlet hole. 33 can be blocked.

  Thus, the drainage hole 34 is closed with the heating foam material 36 fixed to the drainage hole facing surface portion 35b, and the water injection hole 33 is closed with the heating foam material 37 fixed to the waterflow hole facing surface portion 35c. The indoor side and the outdoor side can be prevented from communicating with each other, and the fireproof performance of the sash can be improved when a fire occurs.

  Since the heating foams 36 and 37 are fixed to a mounting part 35 which is one part and can respectively close the water inlet 33 and the drain hole 34, the interior of the room through the hollow portion 32 of the lower frame 11 with a small number of parts. Can block outside communication.

  Moreover, since the heating foam material 36 fixed to the drain hole facing surface portion 35b has a distance from the drain hole 34, a certain time is required until the drain hole 34 is closed in the event of a fire. When a fire occurs on the outdoor side, a flame may enter the hollow portion 32 before the drain hole 34 is blocked. However, the flame is blocked by the drain hole facing surface portion 35b of the mounting part 35, and the flame can be prevented from entering the water inlet 33 side. Thereby, it is possible to prevent the flame from penetrating from the outdoor side to the indoor side through the hollow portion 32.

  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. The sash of this embodiment is a sash with a shutter, but the present invention can also be applied to a normal sash having no shutter. Further, even if the sash is of a type other than the sliding sash, the present invention can be applied as long as the hollow part is formed in the lower frame and the water inlet and the drain hole are provided in the hollow part.

DESCRIPTION OF SYMBOLS 1 Frame body 2 Storage part 3 Door body 4 Inner door 5 Outer door 6 Housing 7 Panel body 10 Upper frame 11 Lower frame 12 Vertical frame 13 Guide rail member 14 Stopper member 20 Winding shaft 21 Opening part 22 Slat 23 Base board member DESCRIPTION OF SYMBOLS 30 Inner rail part 31 Outer rail part 32 Hollow part 33 Water entrance hole 34 Drainage hole 35 Mounting part 35a Bottom wall part 35b Drainage hole opposing surface part 35c Incoming hole opposing surface part 35d Fixed surface part 36 Heating foam material 37 Heating foam material

Claims (2)

In a sash that has a shoji placed in a frame made up of an upper frame, a lower frame, and left and right vertical frames,
The lower frame has an upper surface facing the lower side of the shoji and an outdoor surface facing the outdoor side, and has a hollow portion surrounded by the upper surface and the outdoor surface, and a water inlet hole is formed on the upper surface. , A drainage hole is formed in the outdoor side surface,
The hollow part is provided with a mounting part having a water inlet facing surface part facing the water inlet and a drain hole opposing surface part facing the drain hole, and the water inlet opposing surface part and the drain hole of the mounting part A sash characterized in that a heating foam material is provided on each of the opposing surface portions, and the heating foam material faces the water inlet hole and the drain hole, respectively .   The shoji is provided so that the shoji and the shoji are drawn in a sliding manner, and the lower frame has an inner rail that guides the inner shoji and an outer rail that guides the shoji, and the water inlet is the inner hole. The mounting part is formed in a region between a rail and an outer rail, and the mounting part has a fixed surface part that comes into contact with a lower part of the outer rail among upper surfaces of the lower frame forming the hollow part. Item 1. A sash according to item 1.

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