JP6613046B2 - Fire prevention fittings - Google Patents

Description

The present invention relates to a fire prevention fixture in which vertical frames of adjacent sash frames are connected in a vertical manner.

  Some windows, such as buildings, have a plurality of window frames vertically connected to form a continuous window. In such a window, there is a gap between the vertical frame and the vertical frame as the vertical frame and vertical frame are deformed or melted by the heat of the fire in the event of a fire. May communicate indoors and outdoors.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to improve the fire prevention performance of a joinery in which vertical frames are connected in a vertical manner.

In order to achieve the above object, a fire prevention fitting according to the invention described in claim 1 includes a sash frame, a vertical connecting the vertical frames of the sash frame, and a face plate, and the vertical frame is engaged with the vertical. The eye plate is provided over substantially the entire length of the vertical, and is arranged across the left and right vertical frames and the indoor side surface of the vertical, and the vertical has a protrusion in the longitudinal direction. The vertical projection and the eye plate sandwich the indoor side edge of the vertical frame over the entire length in the longitudinal direction , and the eye plate is screwed to the vertical and left and right vertical frames. To do.

The fire prevention fitting according to the invention of claim 2 includes a sash frame, a vertical connecting the vertical frames of the sash frame, and a face plate, the vertical frame is engaged with the vertical, It is provided over almost the entire length of the vertical, and is disposed across the left and right vertical frames and the interior side surface of the vertical, and the vertical has a protrusion in the longitudinal direction. The indoor side edge of the vertical frame is sandwiched by the plate over the entire length in the longitudinal direction , and the vertical indoor side surface and the outdoor side surface of the eyeplate are in surface contact.

In the fire prevention fitting according to the first aspect of the present invention, the vertical frame is engaged with the vertical, the eye plate is provided over substantially the entire length of the vertical, and the left and right vertical frames and the vertical indoor side surface are provided. The vertical is provided with a protrusion in the longitudinal direction, and the indoor side edge of the vertical frame is sandwiched over the entire length in the longitudinal direction between the vertical protrusion and the eyeplate. Since the vertical frame and the left and right vertical frames are screwed to each other, the occurrence of a gap between the vertical frame and the vertical frame can be suppressed in the event of a fire, and the communication of flame and smoke can be prevented.

In the fire prevention fitting according to the second aspect of the invention, the vertical frame is engaged with the vertical, the eye plate is provided over substantially the entire length of the vertical, and the left and right vertical frames and the vertical indoor side surface are provided. It is arranged straddling, the vertical has a protrusion in the longitudinal direction, and sandwiches the indoor side edge of the vertical frame over the entire length in the longitudinal direction between the vertical protrusion and the eyeplate, In the event of a fire, the occurrence of a gap between the vertical frame and the vertical can be suppressed and the communication of flames and smoke can be prevented, thus improving the fire prevention performance. In addition, because the vertical interior side surface and the exterior side surface of the eyeplate are in surface contact, when the eyeplate is heated in the event of a fire, heat can be efficiently released to the orientation side. Melting and deformation are suppressed.

It is a cross-sectional view (AA cross section of FIG. 6) which shows 1st Embodiment of the fire prevention fitting of this invention. It is a cross-sectional view (AA cross section of FIG. 6) which shows 2nd Embodiment of the fire prevention fitting of this invention. It is a cross-sectional view (AA cross section of FIG. 6) which shows 3rd Embodiment of the fire prevention fitting of this invention. It is a cross-sectional view (AA cross section of FIG. 6) which shows 4th Embodiment of the fire prevention fitting of this invention. It is a cross-sectional view (AA cross section of FIG. 6) which shows 5th Embodiment of the fire prevention fitting of this invention. It is a room side front view of the fire prevention fitting which concerns on one Embodiment of this invention. It is a cross-sectional view (AA cross section of FIG. 6) which shows 6th Embodiment of the fire prevention fitting of this invention. It is a cross-sectional view which shows the state at the time of the fire of the fire prevention fitting of 6th Embodiment. It is a cross-sectional view (AA cross section of FIG. 6) which shows 7th Embodiment of the fire prevention joinery of this invention. It is a cross-sectional view which shows the state at the time of the fire of the fire prevention fitting of 7th Embodiment. It is a cross-sectional view (AA cross section of FIG. 6) which shows 8th Embodiment of the fire prevention fitting of this invention. It is a cross-sectional view which shows the state at the time of the fire of the fire prevention fitting of 8th Embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 6 show a first embodiment of the fire prevention fitting of the present invention. This fire prevention fitting is used for a window of a building, and as shown in FIG. 6, the vertical frames 2 and 2 of the sash frames 1 and 1 arranged adjacent to each other on the right and left sides are connected by a stand 3. This is a continuous window.
As shown in FIG. 1, a multi-layer glass 11 is fitted into each sash frame 1 from the indoor side, and a pressing edge 12 is attached to the indoor side. A glass holding piece 13 on the outdoor side of the sash frame 1 and a pressing edge 12 on the indoor side A back-up material 14 and a sealing material 15 are loaded between the multi-layer glass 11 to fix the multi-layer glass 11, which is a so-called fitting window.
The vertical frame 2 of the sash frame 1 is made of an aluminum alloy extruded shape, and has a substantially U-shaped cross section with the outer peripheral side open as shown in FIG. The interior side edge 17 of the vertical frame 2 is formed in a shape bent in a bowl shape toward the outdoor side.

As shown in FIG. 1, the vertical 3 includes a vertical main body 23, the eye plate 5, and the eye plate cover 24. The vertical body 23 is made of an aluminum alloy extruded shape, and has a hollow portion 22 having a rectangular cross section that is long in the prospective direction and includes a pair of prospective walls 21 and 21 on the outdoor and indoor sides. doing. The outdoor-side finding wall 19 projects laterally from the prospective walls 21 and 21. Claws 6 bent in a bowl shape toward the outdoor side are provided along the longitudinal direction at positions closer to the outdoor side of the pair of prospective walls 21 and 21. Moreover, the protrusion 7 is provided in the position near the indoor side edge part of a pair of prospective walls 21 and 21 along the longitudinal direction. At the tip of the protrusion 7, there is a locking portion 25 that locks the indoor side edge 17 of the vertical frame 2. The indoor side surface 26 of the vertical body 23 is formed flat.
The face plate 5 is provided over substantially the entire length of the vertical 3 and is made of an aluminum alloy extruded shape, and has a lateral width that is substantially the same as that of the inner wall 20 of the vertical main body 23. Portion 27 and vertical frame support portions 34, 34 that are slightly offset toward the indoor side from the left and right ends of the mounting plate portion 27, and extend in the lateral direction. It is arranged across the side. The entire face plate 5 is formed thicker than the vertical body 23. The mounting plate portion 27 has a flat outdoor side surface 28, which is in surface contact with the indoor side surface 26 of the vertical body 23 and fixed with screws 29 from the indoor side.
The eye plate cover 24 is made of an extruded shape of aluminum or resin, is formed in a substantially U-shaped cross section with the outdoor side open, and the locking portions 30, 30 formed on the left and right side walls are connected to the side edges of the eye plate 5. It is fixedly attached to the section from the indoor side and covers the eye plate 5 from the indoor side.

  As shown in FIG. 1, the vertical frame 2 has the outdoor side edge portion 16 engaged with the claw 6 formed on the prospective wall 21 of the vertical body 23 from the outdoor side. At the outdoor end of the prospective wall 21 of the vertical body 23, an opening preventer 4 made of a long material having a rectangular cross section of metal such as aluminum is disposed over substantially the entire length in the longitudinal direction. The opening prevention tool 4 is interposed between the overhanging portion 19 a of the outside wall 19 of the vertical body 23 and the outdoor side surface of the vertical frame 2. This opening prevention tool 4 becomes a wedge and restricts the longitudinal frame 2 from moving in the direction in which the engagement with the vertical body 23 is released (outside) in the longitudinal direction. Further, a sealing material 33 is filled between a protruding portion 19a of the outside wall 19 of the vertical main body 23 and the outdoor side surface of the vertical frame 2 with a fire-resistant backup material 32 inserted, and rainwater To prevent the intrusion. The indoor side edge 17 of the vertical frame 2 is sandwiched between the projection 7 provided in the longitudinal direction on the prospective wall 21 of the vertical body 23 and the vertical frame support 34 of the eye plate 5.

As described above, in the fire prevention fixture of the present embodiment, the outdoor edge 16 of the vertical frame 2 is engaged with the claws 6 of the vertical body 23 from the outdoor side, and the vertical frame is attached to the prospective wall 21 of the vertical body 23. 2 is provided with an opening preventer 4 that restricts movement in the longitudinal direction in the direction in which the engagement with the vertical body 23 is released (outside of the room), so that between the vertical frame 2 and the vertical 3 in the event of a fire. Since the generation of gaps can be suppressed and communication of flames and smoke can be prevented, the fire prevention performance is improved. The opening prevention tool 4 can utilize commercially available flat bars, such as aluminum, and can be obtained cheaply. The opening preventer 4 is arranged on the prospective surface of the vertical 3 and is fixed to the vertical 3 with a screw 31 perpendicular to the direction in which the vertical frame 2 is disengaged. When a force is applied in the direction in which the door is removed (toward the outdoor side), the screw 31 resists the force by a shearing force. In some cases, it can withstand a stronger force than a screw resists with a pulling force.

Further, in the fire prevention fitting of the present embodiment, the vertical frame 2 is engaged with the vertical 3, and the eye plate 5 is provided over substantially the entire length of the vertical 3, and the left and right vertical frames 2, 2 and The vertical frame is arranged by straddling the indoor side surface of the vertical frame 2 between the projection 7 of the vertical 3 and the eye plate 5. 2 can be more reliably prevented from moving in the expected direction and disengaged from the vertical body 23, and a gap can be prevented from opening between the indoor side edge 17 of the vertical frame 2 and the vertical 3. Therefore, the communication of the flame and smoke from between the vertical frame 2 and the vertical 3 can be prevented, and the fireproof performance can be improved.
Further, since the indoor side surface 26 of the vertical body 23 and the outdoor side surface 28 of the eye plate 5 are in surface contact, when the eye plate 5 is heated in the event of a fire, heat can be efficiently released to the side 3 side. Therefore, melting and deformation of the eye plate 5 can be suppressed.

FIG. 2 shows a second embodiment of the fire prevention fitting of the present invention. In this embodiment, the indoor side edge portion 17 of the vertical frame 2 is fixed to the vertical frame support portion 34 of the eyeplate 5 with screws 35 from the indoor side. Other points are the same as in the first embodiment.
In the fire prevention fitting of the present embodiment, the eye plate 5 is disposed across the left and right vertical frames 2 and 2 and the interior side surface of the vertical body 23, and screws are attached to the vertical body 23 and the left and right vertical frames 2 and 2. By being stopped, it is possible to reliably prevent the indoor side edge 17 of the vertical frame 2 from moving away from the eye plate 5 and the vertical body 23 in the event of a fire, and to prevent communication of flame and smoke.

FIG. 3 shows a third embodiment of the fire prevention fitting of the present invention. In this embodiment, the opening preventer 4 is a long metal member having a U-shaped cross section, and the opening preventer 4 includes an overhanging portion 19 a of the finding wall 19 on the outdoor side of the vertical body 23. A batten is applied in the gap between the outdoor side surfaces of the vertical frame 2 and attached. Other points are the same as in the first embodiment.
According to this embodiment, since it is not necessary to screw the opening preventer 4 to the vertical body 23, workability is improved. Further, since the opening preventer 4 is fitted with no gap between the vertical 3 and the vertical frame 2 and is not screwed, it can absorb the thermal expansion when the vertical 3 or the vertical frame 2 is thermally expanded. It is possible to prevent a gap from being generated between the opening preventer 4 and the vertical 3 and the vertical frame 2.

FIG. 4 shows a fourth embodiment of the fire prevention fitting of the present invention. In this embodiment, a concave portion 36 is formed at the outdoor side end portion of the prospective wall 21 of the vertical body 23, and the opening prevention device 4 is made of an aluminum alloy extruded shape, but is a long material having a U-shaped cross section. The opening preventing tool 4 is attached with a pair of locking claws 37, 37 elastically locked to protrusions 38, 38 formed at the entrance of the recess 36. Other points are the same as in the first embodiment.
According to this embodiment, since it is not necessary to screw the opening prevention tool 4 to the vertical main body 23 similarly to 3rd Embodiment, workability | operativity improves. Further, since the opening preventer 4 is fitted with no gap between the vertical 3 and the vertical frame 2 and is not screwed, it can absorb the thermal expansion when the vertical 3 or the vertical frame 2 is thermally expanded. It is possible to prevent a gap from being generated between the opening preventer 4 and the vertical 3 and the vertical frame 2.

FIG. 5 shows a fifth embodiment of the fire prevention fitting of the present invention. In this embodiment, a recessed portion 36 is formed at the outdoor end of the prospective wall 21 of the vertical body 23, and the opening prevention device 4 is made of an extruded material of an aluminum alloy, and is elastic on a projection 38 on the inlet side of the recessed portion 36. A pair of locking pieces 37, 37 that are spontaneously locked and an airtight material holding portion 39 are provided, and an airtight material 40 is attached to the airtight material holding portion 39. Other points are the same as in the first embodiment.
According to the present embodiment, as in the third and fourth embodiments, it is not necessary to screw the opening preventer 4 to the vertical body 23, and it is not necessary to place the sealing material 33. Is further improved.

FIG. 7 shows a sixth embodiment of the fire prevention fitting of the present invention. In this embodiment, a thermally expandable refractory material 45 that foams and expands due to the heat of a fire in the event of a fire is provided along the longitudinal direction at the outdoor end of the prospective wall 21 of the vertical body 23. Such a heat-expandable refractory material 45 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. Furthermore, this fire prevention fixture has an airtight material holder 44 on the overhanging portion 19a of the outdoor wall 19 of the vertical body 23, and the airtight material 40 is attached to the airtight material holder 44. The airtight material 40 is a vertical frame. 2 is in contact with the outdoor side surface.
Even if the airtight material 40 is melted by the heat of the fire in the event of a fire and a gap is formed between the outdoor portion of the vertical frame 2 and the vertical 3, the fireproof fitting of the present embodiment is thermally expandable as shown in FIG. Since the refractory material 45 is foamed and expanded by the heat of the fire and closes the gap between the outdoor portion of the vertical frame 2 and the vertical 3, communication of flame and smoke can be prevented. Since the indoor side edge 17 of the vertical frame 2 is sandwiched between the bowl-shaped protrusion 7 of the vertical body 23 and the eye plate 5, no gap is opened between the indoor side portion of the vertical frame 2 and the vertical 3 as well. .

FIG. 9 shows a seventh embodiment of the fire prevention fitting of the present invention. In this embodiment, a groove-shaped holder portion 46 is provided along the longitudinal direction at the outdoor side end portion of the prospective wall 21 of the vertical body 23, and a thermally expandable refractory material 45 is attached to the holder portion 46.
As shown in FIG. 10, the fire-proof fitting of the present embodiment also foams and expands due to the heat of the fire, so that the gap between the outdoor portion of the vertical frame 2 and the vertical 3 is blocked. Can prevent communication of flames and smoke. By attaching the heat-expandable refractory material 45 to the groove-shaped holder portion 46, it is possible to prevent the heat-expandable refractory material 45 from peeling off or falling off.

FIG. 11 shows an eighth embodiment of the fire prevention fitting of the present invention. In this embodiment, the heat-expandable refractory material 45 is attached by using an airtight material holder 44 provided on the overhanging portion 19a of the outside wall of the vertical body 23, and the heat-expandable refractory material 45 is attached to the vertical frame. 2 is in contact with the outdoor side surface.
As shown in FIG. 12, the fire-proof fitting of the present embodiment also expands and expands due to the heat of the fire due to the heat-expandable refractory material 45 and closes the gap between the outdoor portion of the vertical frame 2 and the stand 3. Can prevent communication of flames and smoke. By attaching the heat-expandable refractory material 45 to the airtight material holder 44, the heat-expandable refractory material 45 can be easily attached and the heat-expandable refractory material 45 can be prevented from peeling off or falling off.

The present invention is not limited to the embodiments described above. The vertical frame and the vertical cross-sectional shape can be appropriately changed. The material and cross-sectional shape of the face plate can be changed as appropriate. In the present invention, the vertical frame moves in a direction in which the vertical frame is released from engagement by the vertical side (vertical body) protrusion and the eye plate sandwiching the indoor side edge of the vertical frame. Therefore, the opening prevention tool can be omitted. The fire prevention fixture of the present invention is not limited to the fitting window as in the embodiment, but a sliding window in which two shojis are slidably opened and closed in a sash frame, or one shoji in the sash frame. It can also be applied to a sliding window or the like that can be opened and closed in a sliding manner.

DESCRIPTION OF SYMBOLS 1 Sash frame 2 Vertical frame 3 Standing 4 Opening prevention tool 5 Eyeplate 6 Claw 7 Protrusion 16 Outer edge of a vertical frame
23 Standing body (standing)

Claims (2)

A sash frame, a vertical frame for connecting the vertical frames of the sash frame, and a face plate are provided, the vertical frame is engaged with the vertical frame, and the eye plate is provided over substantially the entire length of the vertical frame. The vertical frame has a protrusion in the longitudinal direction, and the vertical edge and the side plate of the vertical frame have an indoor side edge. A fire prevention fixture characterized in that it is sandwiched over the entire length in the longitudinal direction , and the eye plate is screwed to the vertical and left and right vertical frames. A sash frame, a vertical frame for connecting the vertical frames of the sash frame, and a face plate are provided, the vertical frame is engaged with the vertical frame, and the eye plate is provided over substantially the entire length of the vertical frame. The vertical frame has a protrusion in the longitudinal direction, and the vertical edge and the side plate of the vertical frame have an indoor side edge. A fire prevention fitting characterized in that it is sandwiched over the entire length in the longitudinal direction, and the vertical indoor side surface and the outdoor side surface of the eyeplate are in surface contact.

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