JP5953579B2 - sash - Google Patents

Description

  The present invention relates to a sash in which a shoji is placed in a frame provided in an opening of a building, and more particularly to a sash in which a vertical resin frame covering the indoor side of the vertical frame is prevented from falling off in the event of a fire.

  In a sash in which a shoji is housed in a frame body provided in a building opening, heat insulation and design can be improved by covering a room-side exposed surface of a metal frame with a resin frame. An example of such a sash is disclosed in Patent Document 1.

JP 2012-122303 A

  The sash is required to have fireproof performance that does not easily fall off even when exposed to high temperatures in the event of a fire. When the sash provided with the resin frame on the indoor side of the metal frame is exposed to a high temperature, the resin frame is first softened. In particular, when the vertical resin frame provided in the vertical frame is softened, the vertical resin frame is detached from the vertical metal frame so that it cannot stand on its own and falls off. It is difficult to predict where the vertical resin frame will drop due to the fire situation or the like, and the vertical resin frame may ignite depending on the location of the drop.

  In order to prevent this, in a sash with improved fire prevention performance, the resin frame is eliminated, the material of the resin frame is changed, or the vertical resin frame is fixed to the metal member with a screw or the like. It was.

  However, if the vertical resin frame is eliminated or the material is changed, the heat insulation and design properties will be impaired, and even if the vertical resin frame is fixed with screws, the design properties will be deteriorated or fixed. As a result, the cost of the structure increases.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a sash capable of preventing the vertical resin frame from dropping off in the event of a fire with a simple structure while using the vertical resin frame as the vertical frame. And

In order to solve the above-mentioned problems, a sash according to the invention of claim 1 is configured such that a shoji is placed in a frame formed by a framework of an upper frame, a lower frame, and left and right vertical frames, and the vertical frame is a chamber of a vertical metal frame. In the sash with the vertical resin frame on the inside,
The vertical resin frame has an inner peripheral surface portion facing the inner peripheral surface of the vertical metal frame, and a space portion is formed between the inner peripheral surface portion and the inner peripheral surface of the vertical metal frame. A metal core material fixed to the vertical resin frame is provided along the longitudinal direction of the vertical resin frame, and the vertical metal frame and the core material are connected by a metal-made deformable connecting member. It is structured as a feature.

  According to the first aspect of the present invention, even if the vertical resin frame is softened in the event of a fire, the vertical resin frame can be supported by the core member connected to the vertical metal frame so as not to fall down.

  The sash according to the invention of claim 2 is characterized in that the connecting member has a metal wire.

  According to the invention which concerns on Claim 2, a deformable connection member can be comprised with a simple component.

  Furthermore, in the sash according to the invention of claim 3, the vertical resin frame includes a rotation engagement portion on an outdoor side portion and a locking portion on an indoor side portion, respectively, and the rotation engagement portion with respect to the vertical metal frame. The engaging portion is engaged, the vertical resin frame is rotated around the rotation engaging portion, and the locking portion is locked to the vertical metal frame.

  According to the invention which concerns on Claim 3, the fixing operation | work with respect to the vertical metal frame of a vertical resin frame can be easily performed with the connection operation | work with respect to the vertical metal frame of a connection member.

  According to the sash according to the present invention, the vertical resin frame is prevented from falling off in the event of a fire with a simple structure, and the core material is not directly fixed to the vertical metal frame. Can be followed.

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. FIG. 3 is an enlarged view of the vicinity of a vertical frame on the side where a shoji is arranged in FIG. It is a vertical frame vicinity cross-sectional view at the time of attaching a vertical resin frame to a vertical frame.

  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 11b that guides the inner shoji 4 in the longitudinal direction and an outer rail portion 11c 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.

  An angle member 14 made of resin is provided at the indoor ends of the upper frame 10, the lower frame 11, and the vertical frame 12 made of a metal material. The angle member 14 includes an inner peripheral surface portion 14a that comes into contact with the inner peripheral surface of the frame body 1, an indoor surface portion 14b that comes into contact with the indoor side surface of the frame body 1, and an angle portion 14c that extends toward the indoor side. And have.

  FIG. 3 shows an enlarged view of the vicinity of the vertical frame 12 on the side where the external shoji 5 is arranged in FIG. On the inner peripheral surface of the vertical frame 12 on the side where the external shoji 5 is arranged, a portion on the indoor side of the external screen 5 is exposed to the indoor side, and thus the vertical resin frame 30 is provided so as to cover this.

  The vertical resin frame 30 includes an inner peripheral surface portion 30a facing the inner peripheral surface of the vertical frame 12, a contact surface portion 30b that contacts the inner peripheral surface of the vertical frame 12, an outdoor surface portion 30c facing the outdoor side, It has an indoor surface portion 30d facing the indoor side, and an intermediate surface portion 30e passing between the inner peripheral surface portion 30a and the contact surface portion 30b. Thereby, a space portion 31 is formed between the inner peripheral surface portion 30 a and the inner peripheral surface of the vertical frame 12.

  In addition, a rotation engagement portion 30 f that rotates and engages with an L-shaped protruding portion 12 a formed on the inner peripheral surface of the vertical frame 12 is formed at the outdoor end portion of the vertical resin frame 30. A locking portion 30g that is locked to a locked portion 14d formed on the indoor surface portion 14b of the angle member 14 is formed at the indoor end portion.

  An aluminum or steel core 32 is fixed in the space 31 of the vertical resin frame 30. The core member 32 is formed in a substantially U-shaped cross section and has a length that extends over the entire length of the longitudinal resin frame 30 in the longitudinal direction. One side surface of the core material 32 is in contact with the intermediate surface portion 30e and is riveted to the vertical resin frame 30 at the bottom surface portion. Further, the interior side surface of the core member 32 and the vertical frame 12 are connected to each other by a connecting member 33 in the space 31.

  The connecting member 33 includes a core material fixing portion 33b fixed to the core material 32 with screws, a vertical frame fixing portion 33c fixed to the vertical frame 12 with screws, a core material fixing portion 33b, and a vertical frame fixed. It consists of the wire part 33a which connects the part 33c. The wire portion 33a is made of metal and is deformable.

  FIG. 4 shows a cross-sectional view of the vicinity of the vertical frame 12 when the vertical resin frame 30 is attached to the vertical frame 12. A core material 32 is fixed to the vertical resin frame 30 in advance, and a core material fixing portion 33 b of a connecting member 33 is fixed to the core material 32. When attaching the vertical resin frame 30 to the vertical frame 12, first, the rotation engaging portion 30 f provided at the outdoor end is engaged with the L-shaped protruding portion 12 a of the vertical frame 12, so that the vertical frame of the connecting member 33 is engaged. The fixing portion 33c is fixed to the vertical frame 12, and the vertical resin frame 30 is rotated to lock and fix the locking portion 30g of the vertical resin frame 30 to the locked portion 14d of the angle member 14.

  The vertical frame fixing portion 33c of the connecting member 33 contacts the inner peripheral surface portion 14a of the angle member 14, and is fixed to the vertical frame 12 by being fastened with screws 34 that fix the angle member 14 to the vertical frame 12. Is done. Thereby, the core member 32 is connected to the metal vertical frame 12 via the connecting member 33.

  Even if the core material 32 is connected to the metal vertical frame 12 via the connecting member 33, even if a fire occurs and the vertical resin frame 30 is softened and can no longer stand on its own, the core material 32. Can support the vertical resin frame 30 so that the vertical resin frame 30 does not fall and ignite.

  On the other hand, if the core member 32 is directly fixed to the vertical frame 12, it cannot follow the expansion and contraction of the vertical resin frame 30, so that an excessive force is applied to the vertical resin frame 30, but the connecting member 33 is deformed. When the vertical resin frame 30 expands and contracts due to temperature change by having a flexible wire portion 33a and the core material 32 and the vertical frame 12 are connected via the wire portion 33a, the core material 32 is It is possible to follow expansion and contraction, and it is possible to prevent an excessive force from being applied to the vertical resin frame 30.

  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. Moreover, even if it is a kind of sash other than a sliding sash, if the vertical resin frame is provided, this invention can be applied.

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 14 Angle member 14a Inner peripheral surface part 14b Indoor surface part 14c Angle part 14d Locked part 30 Vertical Resin frame 30a Inner peripheral surface portion 30b Abutting surface portion 30c Outdoor surface portion 30d Indoor surface portion 30e Intermediate surface portion 30f Rotating engagement portion 30g Locking portion 31 Space portion 32 Core material 33 Connecting member 33a Wire portion 33b Core material fixing portion 33c Vertical frame fixing portion 34 screw

Claims (3)

In the sash in which the shoji is placed in a frame formed by framing the upper frame, the lower frame, and the left and right vertical frames, the vertical frame is provided with a vertical resin frame on the indoor side of the vertical metal frame,
The vertical resin frame has an inner peripheral surface portion facing the inner peripheral surface of the vertical metal frame, and a space portion is formed between the inner peripheral surface portion and the inner peripheral surface of the vertical metal frame. A metal core material fixed to the vertical resin frame is provided along the longitudinal direction of the vertical resin frame, and the vertical metal frame and the core material are connected by a metal-made deformable connecting member. Characteristic sash.   The sash according to claim 1, wherein the connecting member includes a metal wire.   The vertical resin frame includes a rotation engagement portion on an outdoor side portion and a locking portion on an indoor side portion, and engages the rotation engagement portion with the vertical metal frame. The sash according to claim 1 or 2, wherein the vertical resin frame is rotated around the center to lock the locking portion with respect to the vertical metal frame.

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