JP2020045640A - Accouplement for fire-preventive equipment - Google Patents

Abstract

To provide an accouplement capable of securing fire prevention performance in a connecting part of a multiple window of fire-preventive equipment and facilitating construction.SOLUTION: An accouplement for fire preventive equipment comprises: a support steel member which is fixed in a skeleton opening part and which supports window frames on both sides; and a rock wool part supported on an outdoor side of the support steel member. The rock wool part is substantially contained within a depth width between the window frames supported on both sides of the support steel material.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a connecting member for connecting fire protection equipment such as a fire protection sash in a direction of finding.

  2. Description of the Related Art Conventionally, a connecting window in which fittings arranged on the left and right are connected by a connecting material is known.

JP 2011-99205 A

In recent years, it has been required to employ fire-prevention fittings (fire-prevention equipment) having high fire-prevention performance as window equipment, and fire-extinguishing fittings have been adopted as door fittings arranged on the left and right also in continuous windows.
In addition, a connecting member for connecting the left and right fire protection fittings is also required to have fire prevention performance.

  The connecting material of Patent Document 1 does not have high fire protection performance. It is also conceivable to provide a fire protection material such as rock wool to the connection material in order to provide the fire protection performance to the connection material, but the upper and lower ends of the fire protection material are complicated, and the construction must be complicated. Did not.

  The present invention has been made in view of the above circumstances, and when connecting fire protection equipment connected in the direction of finding, while ensuring fire prevention performance at a connection portion, provides a connection material that is easy to construct. The purpose is to:

   One embodiment of the present invention has a supporting steel material fixed to the opening of the skeleton and supporting the window frame to the side, and a rock wool portion supported on the outdoor side of the supporting steel material, and the rock wool portion is formed of a supporting steel material. It is a connecting material that is substantially fit within the expected width of the window frame supported on the side.

  With the configuration of the connecting member according to the embodiment of the present invention, it is possible to provide a connecting member that can easily perform construction while ensuring fire prevention performance at the connecting portion of the connecting window of the fire prevention equipment.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure of the fitting in which the connection material of one Embodiment of this invention was arrange | positioned, (a) is a cross-sectional view, (b) is the front view which looked at the arrow a in (a), (c) is (a). 4) is a side view as viewed from arrow b. It is a longitudinal section of a connecting window concerning a 1st embodiment of the present invention. (A) is a cross-sectional view of the connecting member according to the first embodiment of the present invention, and (b) is a cross-sectional view of the connecting member without rock wool. (A) is a cross-sectional view of the connecting member according to the second embodiment of the present invention, and (b) is a cross-sectional view of the connecting member without rock wool. (A) is a cross-sectional view of the connecting member according to the third embodiment of the present invention, and (b) is a cross-sectional view of the connecting member without rock wool. (A) is a cross-sectional view of the connecting material according to the fourth embodiment of the present invention, and (b) is a cross-sectional view of the connecting material without rock wool. (A) is a cross-sectional view of the connecting member according to the fifth embodiment of the present invention, and (b) is a cross-sectional view of the connecting member without rock wool.

A connecting member of a fire prevention facility according to an embodiment of the present invention will be described with reference to the drawings.
In the description of the present embodiment, as shown in FIG. 1, a description will be given using a continuous window installed in a building such as a building. However, the connecting member of the fire prevention equipment of the present invention is installed in a building such as a building. It is not limited to the connecting material used for the connecting window.

(Overall configuration)
The window shown in FIG. 1 includes a plurality (four) of fire prevention equipments A1 to A4 such as fire prevention sashes arranged in a hook shape, and the fire prevention equipment A1 and the fire prevention equipment A2 are connected by a connecting member B1, The fire prevention equipment A2 and the fire prevention equipment A3 are connected by a connection member B2, and the fire prevention equipment A3 and the fire prevention equipment A4 are connected by a connection member B3.

  In the present embodiment shown in FIG. 1, sliding windows are employed for the fire protection equipment A1 to the fire protection equipment A4, and as shown in FIG. A material 91 is arranged, and a drainer 92 is arranged below the outdoor side.

-1st Embodiment-
The connecting member according to the first embodiment will be described with reference to FIGS. 2 and 3.
The connecting member of the present embodiment is configured as a connecting member B1 that connects the left and right fire prevention equipment A1 and the fire prevention equipment A2 flush.

  As shown in FIGS. 3A and 3B, the connecting member B1 is fixed to the opening of the skeleton, and supports the steel frames 10 supporting the window frames A10 and A20 of the fire prevention equipment A1 and A2 arranged on the left and right. A fire prevention member 20 having a rock wool portion 202 provided on the outdoor side of the supporting steel material 10, an indoor side cover member 30 for covering between the window frames A10 and A20 to be connected from the indoor side, and a window frame A10 and A20 to be connected. And an outdoor-side cover member (decorative material) 40 that covers from the outdoor side.

  The supporting steel member 10 is a long member having a rectangular cross section, and is disposed at the opening of the skeleton with the sides forming the rectangle coincide with the finding direction or the prospective direction of the window frames A10, A20. Is fixed to the opening of the skeleton by welding or the like to the anchor member 5 embedded in the opening of the skeleton.

  As shown in FIG. 3 (b), the supporting steel member 10 has window frame attachment pieces 101, 101 fixed to both left and right prospective surfaces, a fire prevention member attaching piece 102 fixed to the outdoor facing surface, and an indoor facing side. The inner cover mounting piece 103 is fixed to the surface.

  The window frame attachment piece 101 has a substantially L-shaped section having an attachment wall 101a and a support wall 101b that is bent from the outdoor end of the attachment wall 101a to the inner peripheral side (outer peripheral side when viewed from the connecting member). It is a length member, and is fixed in a state where the mounting wall 101a is in contact with the left and right prospective surfaces of the supporting steel material 10.

In the window frames A10 and A20 supported by the supporting steel member 10, an auxiliary mounting member 60 having a prospect wall 60a facing the supporting steel member 10 is fixed to the outer peripheral side surface by fixing means b such as a screw.
The supporting steel material 10 supports the window frame A10 by connecting the supporting wall 101b of the window frame mounting piece 101 and the prospective wall of the mounting auxiliary material 60 by an angle member 70.

The inner cover mounting member 103 is fixed to the indoor side of the window frames A10 and A20 supported by the supporting steel material 10 by fixing means such as screws.
The inner cover mounting piece 103 is a long member having a substantially U-shaped cross section having a finding wall 103a and left and right prospect walls 103b, 103b formed by bending left and right ends of the finding wall 103a toward the indoor side. The outside wall surface of the attached wall 103a is fixed in a state in which the outside wall surface of the supporting steel member 10 is in contact with the inside-side found surface.
Note that the inner cover mounting member 103 may be fixed to the supporting steel material 10 by means such as screwing.

The indoor side cover member 30 is a long member having a substantially U-shaped cross section having an indoor wall portion 30a and left and right prospective walls 30b, 30b formed by bending left and right sides of the indoor wall portion 30a toward the outside.
The supporting steel member 10 fixes the left and right prospect walls 30b, 30b of the indoor side cover member 30 to the left and right prospect walls 103b, 103b of the inner cover mounting piece 103 by fixing means b such as a screw, so that the indoor side cover is formed. The member 30 is supported.

  The fire prevention member mounting piece 102 is a long member having a substantially U-shaped cross section having a mounting wall 102a and left and right support walls 102b, 102b formed by bending left and right sides of the mounting wall 102a toward the outside. Is fixed in a state in which the indoor side surface is in contact with the outdoor surface of the supporting steel material 10.

The fire prevention member 20 has a backing panel 201 and a rock wool part 202.
The backing panel 201 is composed of an elongate member having a substantially U-shaped cross section having an outdoor side wall 201a and left and right prospect walls 201b, 201b formed by bending left and right sides of the outdoor side wall 201a toward the indoor side. A rock wool portion 202 is provided by filling the circumference with rock wool or the like.

  The outdoor-side cover member (decorative material) 40 includes an outer wall portion 40a that forms the outer wall surface of the building, left and right prospect walls 40c, 40c extending from the indoor side surface of the outer wall portion 40a to the indoor side, and prospect walls 40c, 40c. It is an elongated member having left and right ribs 40d, 40d extending from the indoor side surface of the outer wall portion 40a to the indoor side at a position on the inner peripheral side (outer peripheral side when viewed from the connecting member) than the 40c.

  The supporting steel material 10 is provided with left and right prospect walls 201b, 201b of the backing panel 201 and left and right prospect walls 40c, 40c of the outdoor cover member 40 on the left and right support walls 102b, 102b of the fire prevention member mounting piece 102 with screws or the like. The fire prevention member 20 and the outdoor side cover member 40 are supported on the outdoor side of the supporting steel material 10 by being fixed by the fixing means b.

In a state where the fire protection member 20 is supported by the supporting steel material 10 supporting the window frames A10 and A20 on the left and right, the rock wool portion 202 of the fire protection member 20 substantially fits within the expected width of the left and right window frames A10 and A20. I have.
The left and right end positions of the outdoor side cover member 40 and the left and right end positions of the indoor side cover member 30 substantially coincide with the positions of the prospective walls of the window frames A10 and A20.

  A backup material 81 and a sealing material 82 are arranged between the outdoor walls of the window frames A10 and A20 and the outer wall portion 40a of the outdoor cover member 40, and the prospect wall 40c of the outdoor cover member 40 and the window frame A10. A non-combustible material 83 made of rock wool, AES (alkali earth silicate), or the like is arranged between the auxiliary wall 60 and the prospect wall 60a of the auxiliary mounting member 60 attached to the A20.

  At this time, the rib 40 d provided on the indoor side surface of the outer wall surface portion 40 a of the outdoor side cover member 40 functions as a receiver for the backup material 81 and also functions as a holding portion for the non-combustible material 83.

-2nd Embodiment-
The connecting member of the second embodiment will be described with reference to FIG.
The connecting member of the present embodiment is configured as a connecting member B2 that connects the left and right fire prevention equipments A2 and A3 at a substantially right angle at a corner portion (protruding corner portion). Note that the connection angle at the corner is not limited to a right angle.

  The connecting member B2 has a supporting steel member 10 that supports the window frames A20 and A30 of the fire prevention equipment A2 and A3 that are fixed to the opening of the skeleton and that are arranged on the left and right, and a rock wool portion 202 that is provided outside the supporting steel member 10 outdoors. An indoor cover member 30 that covers the space between the connected window frames A20 and A30 from the indoor side, and an outdoor cover member 40 that covers the connected window frames A20 and A30 from the outdoor side. I have.

  The supporting steel member 10 is a long member having a rectangular cross section, and is disposed in the opening of the skeleton body in a state where each side forming the rectangle coincides with the finding direction or the prospective direction of the window frames A20, A30. Is fixed to the opening of the skeleton by welding or the like to the anchor member 5 embedded in the opening of the skeleton.

  The supporting steel material 10 includes window frame attachment pieces 101, 101 on the right indoor side wall surface 10a facing the outer peripheral side projected surface of one window frame A20 and the left indoor side wall surface 10b facing the outer peripheral side projected surface of the other window frame A30. Is fixed and connected to the outdoor end of the right indoor side wall surface 10a and extending to the outer peripheral side in the finding direction of one of the window frames A20. The left and right fire prevention member mounting pieces 104, 104 are fixed to the left outside wall surface 10d of the window frame A30 extending to the outer side in the finding direction.

  The window frame mounting pieces 101, 101 are formed by bending a mounting wall 101a fixed to the supporting steel material 10 by welding or the like and an inner peripheral side (outer peripheral side when viewed from the connecting member) from an outdoor end of the mounting wall 101a. It is a long member having a substantially L-shaped cross section having a support wall 101b, and is fixed in a state where the mounting wall 101a is in contact with the right indoor wall surface 10a or the left indoor wall surface 10b of the support steel material 10.

In the window frames A20 and A30 supported by the supporting steel member 10, the mounting auxiliary member 60 having a prospect wall 60a facing the supporting steel member 10 is fixed to the outer peripheral side surface by fixing means b such as a screw.
The supporting steel material 10 supports the window frames A20 and A30 by connecting the supporting wall 101b of the window frame mounting piece 101 and the prospective wall 60a of the mounting auxiliary material 60 by an angle member 70.

An inner cover mounting member 105 is fixed to the indoor side of the window frames A20 and A30 supported by the supporting steel material 10 by fixing means such as screws.
The inner cover mounting member 105 is a long member having a fixing portion 105a fixed to the window frames A20 and A30 and a locking portion 105b protruding from the indoor side surface of the fixing portion 105a, and near the left and right ends of the fixing portion 105a. Are fixed in contact with the outer peripheral ends of the window frames A20 and A30 on the indoor side.

  The indoor-side cover member 30 is a long member having an indoor wall portion 30a and a locking piece 30c protruding from the indoor wall portion 30a on the outside of the room, and locking the locking piece 30c to the inner cover mounting member 105. By being locked to the portion 105b, it is attached so as to cover the indoor side between the window frames A20 and A30.

  Each of the fire prevention member mounting pieces 104 has a substantially L-shaped cross section having a mounting wall 104a and a support wall 104b in which an inner peripheral end of the mounting wall 104a (an outer peripheral end when viewed from the connecting member) is bent outward. It is fixed in a state where the indoor side surface of the mounting wall 104a is in contact with the right outside wall surface 10c or the left outside wall surface 10d of the supporting steel material 10.

The fire prevention member 20 has a backing panel 201 and a rock wool part 202.
The backing panel 201 is composed of an outdoor wall 201a having left and right outer walls arranged on the left and right and formed continuously at substantially right angles, and left and right prospect walls 201b, 201b formed by bending both left and right sides of the outdoor wall 201a toward the indoor side. A rock wool portion 202 is provided by filling the inner periphery of the backing panel 201 with rock wool or the like.

  The outdoor-side cover member 40 includes left and right outer wall portions 40a, which are formed on the left and right sides and are continuously formed at substantially right angles. From the position where the left and right legs 40b, 40b of the indoor side surface of the left and right outer wall surfaces extend, and further from the inner peripheral side (outer peripheral side when viewed from the connecting material). The left and right prospect walls 40c, 40c extending inward, and the left and right prospect walls 40c, 40c on the indoor side surface of the left and right outer wall portions are further on the inner peripheral side (when viewed from the connecting member, It is a long member having left and right ribs 40d, 40d extending from the position (outer peripheral side) to the indoor side.

  The supporting steel material 10 is provided with supporting walls 104b, 104b of the fire prevention member mounting pieces 104, 104, and left and right prospect walls 201b, 201b of the backing panel 201 and left and right prospect walls 40c, 40c of the outdoor cover member 40, such as screws. The fire prevention member 20 and the outdoor side cover member 40 are supported on the outdoor side of the supporting steel material 10 by being fixed by the fixing means b.

  When the fire prevention member 20 is supported by the supporting steel material 10 that supports the window frames A20 and A30, the rock wool portion 202 is substantially contained within the expected width of the left and right window frames A10 and A20. An outdoor cover member 40 is arranged so as to cover the outdoor between A20 and A30.

The left and right end positions of the outdoor side cover member 40 and the left and right end positions of the indoor side cover member 30 substantially match the positions of the window frame A20 and the prospective wall of the window frame A20.
Further, a backup material 81 and a seal material 82 are disposed between the outdoor walls of the window frames A20 and A30 and the outer wall portion 40a of the outdoor cover member 40, and the prospect wall 40c of the outdoor cover member 40 and the window are provided. A non-combustible material 83 made of rock wool, AES (alkaline earth silicate), or the like is arranged between the auxiliary wall 60 and the prospect wall 60a of the auxiliary mounting member 60 mounted on the frames A20, A30.

  At this time, the rib 40 d provided on the indoor side surface of the outer wall surface portion 40 a of the outdoor side cover member 40 functions as a receiver for the backup material 81 and also functions as a holding portion for the non-combustible material 83.

-Third embodiment-
The connecting member of the third embodiment will be described with reference to FIG.
The connecting member of the present embodiment is configured as a connecting member B3 that connects the left and right fire prevention equipments A3 and A4 at a substantially right angle at a corner (corner). Note that the connection angle at the corner is not limited to a right angle.

  The connecting member B3 includes a supporting steel member 11 fixed to the opening of the skeleton and supporting the window frame A30 of the fire protection equipment A3 disposed on the right side, and a window frame A40 of the fire protection equipment A4 fixed to the opening of the skeleton and disposed on the left side. , A fire prevention member 20 having a rock wool portion 202 disposed on the outdoor side of the support steel members 11 and 12, and an indoor side cover member 30 for covering between the window frames A30 and A40 to be connected from the indoor side. And an outdoor cover member 40 that covers between the window frames A30 and A40 to be connected from the outdoor.

The two supporting steel members 11 and 12 of the connecting member B3 of the present embodiment are long members each having a rectangular cross section, and the sides constituting the rectangular cross section of the supporting steel members 11 and 12 are respectively supported by window frames A30 and A30. The corners are arranged at intervals so as to coincide with the finding direction or the prospective direction of A40, and the upper end and the lower end are fixed to the anchor member 5 embedded in the opening of the skeleton.
Note that the supporting steel materials 11 and 12 of the present embodiment have a substantially square cross-sectional shape in which the length of one side is approximately half the expected size of the window frames A30 and A40.

  The supporting steel materials 11 and 12 have window frame mounting pieces 101 and 101 fixed to anticipated wall surfaces 11a and 12a, respectively, which are opposed to the outer peripheral anticipated surfaces of the window frames A30 and A40, and fire prevention members are attached to the exterior wall surfaces 11b and 12b. The mounting pieces 104 are fixed.

  The window frame mounting piece 101 has a mounting wall 101a extending in the expected direction, and a support wall 101b that is bent from the outside end of the mounting wall 101a to the inner peripheral side (outer peripheral side when viewed from the connecting member). It is a long member in the shape of a letter, and is fixed in a state where the mounting wall 101a is in contact with the prospective wall surfaces 11a, 12a of the supporting steel materials 11, 12.

In the window frames A30 and A40 supported by the supporting steel members 11 and 12, an auxiliary mounting member 60 having a projection wall 60a is fixed to an outer peripheral side surface.
The supporting steel members 11 and 12 are angle members that connect the supporting walls 101b and 101b of the window frame mounting pieces 101 and 101 fixed to the prospective wall surfaces 11a and 12a of the supporting steel materials 11 and 12 and the prospective wall 60a of the mounting auxiliary member 60. The connection by 70 supports the window frames A30 and A40.

Inner cover mounting pieces 106a, 106b having a substantially L-shaped cross section are fixed to the indoor side of the window frames A30, A40 supported by the supporting steel materials 11, 12, respectively.
The inner cover attachment piece 106a disposed on the right side includes a finding wall portion abutting on the indoor side surface of the window frame A30, and a prospecting wall portion extending from the inner peripheral side of the finding wall portion to the indoor side. The inner cover mounting piece 106b, which is attached to the interior of the window frame A30 so as to extend to the indoor side in a state substantially coincident with the position of the outer peripheral surface of the window frame A30 in the finding direction, and the left inner cover mounting piece 106b abuts on the indoor side surface of the window frame A40. It consists of a finding wall portion extending to the outer peripheral side and a prospect wall portion extending from the outer peripheral end of the finding wall portion to the indoor side, and the prospect wall is attached so as to extend in the room direction at a position on the outer peripheral side of the window frame A40. ing.

  The indoor-side cover member 30 has an indoor wall 30a in which the left and right inner walls arranged on the left and right are formed continuously at substantially right angles, and both ends of the indoor wall 30a in the finding direction are bent outward. It is a long member having projection walls 30b, 30b projecting therefrom. The projection walls 30b, 30b are fixed to projection walls of the inner cover mounting pieces 106a, 106b by fixing means such as bolts, so that the window frame A30 is formed. And the window frame A40 so as to cover between the indoor side.

  The fire prevention member mounting pieces 104, 104 each have a mounting wall 104a extending in the direction of finding, and a support wall 104b having an inner peripheral side (outer peripheral side when viewed from the connecting member) end of the mounting wall 104a bent outward. It is a substantially L-shaped long member, and is fixed in a state where the indoor side surface of the mounting wall 104a is in contact with the found wall surfaces 11b and 12b of the supporting steel members 11 and 12.

The fire prevention member 20 has a backing panel 201 and a rock wool part 202.
The backing panel 201 has a left and right inner wall portions arranged on the left and right, and an outer wall 201a formed continuously at a substantially right angle, and left and right prospect walls 201b formed by bending both left and right sides of the outer wall 201a toward the indoor side. A rock wool portion 202 is provided by filling the inner circumference (inside of the room) of the backing panel 201 with rock wool or the like.

  The outdoor-side cover member 40 is provided with left and right outer wall portions, which are disposed on the left and right sides and formed continuously at substantially right angles, and extends from the indoor side surface of the left and right outer wall portions of the outer wall portion 40a to the indoor side. The leg portions 40b, 40b contacting the outdoor side surface of the backing panel 201, and the left and right outer wall portions at the position on the inner peripheral side (outer peripheral side when viewed from the connecting member) than the leg portions 40b, 40b, from the indoor side surface. Prospective walls 40c, 40c extending inward, and extending from the indoor side surface of the left and right outer wall portions to the indoor side at positions further inside (outer peripheral side when viewed from the connecting member) than the prospect walls 40c, 40c. It is composed of a long member having ribs 40d, 40d formed.

  The supporting steel members 11 and 12 are provided with the left and right prospect walls 201b and 201b of the backing panel 201 and the left and right prospect walls 40c and 40c of the outdoor cover member 40 on the support walls 104b and 104b of the fire protection member mounting pieces 104 and 104, respectively. The fire prevention member 20 and the outdoor side cover member 40 are supported on the outdoor side of the supporting steel material 10 by being fixed by fixing means such as screws.

  In a state where the fire protection member 20 is supported by the supporting steel members 11 and 12 that support the window frames A30 and A40, the rock wool portion 202 of the fire protection member 20 substantially fits within the expected width of the window frame A30 and the window frame A40. The outdoor-side cover member 40 is disposed so as to cover the outdoor side between the left and right window frames A30 and A40.

The left and right end positions of the outdoor side cover member 40 and the left and right end positions of the indoor side cover member 30 substantially coincide with the positions of the window frame A30 and the prospective wall of the window frame A40.
Further, a backup material 81 and a seal material 82 are disposed between the outdoor wall of the window frame A30 and the outdoor frame of the window frame A40 and the outer wall portion 40a of the outdoor frame cover member 40. Between rock wool 202 and window frames A30 and A40, between rock wool and AES (alkaline earth silicate), etc. Is disposed.

  At this time, the rib 40 d provided on the indoor side surface of the outer wall surface portion 40 a of the outdoor side cover member 40 functions as a receiver for the backup material 81 and also functions as a holding portion for the non-combustible material 83.

  As described above, the connecting member according to the first to third embodiments has the fire prevention member 20 and the non-combustible material 83 arranged outside the supporting steel member 10 and the rock wool portion 202 between the left and right fire prevention equipments A. An outer wall (non-bearing wall) having high fire protection performance can be configured without impairing the fire protection performance obtained by the fire protection equipment A, which can be closed by the incombustible material 83.

  And since the rock wool part 202 is arrange | positioned so that it may substantially fit in the expected width | variety of the window frame connected by a connection material, the upper and lower ends of the rock wool part 202 may be connected to the upper window frame and the lower part of the frame opening. The window frame can be accommodated in the inner peripheral surface, and the upper and lower ends of the rock wool portion 202 do not face inclined surfaces such as a drainer, so that a stable arrangement can be performed.

-Fourth embodiment-
With reference to FIG. 6, a connecting member according to a fourth embodiment will be described.
The connecting member of the present embodiment is configured as a connecting member B1 that connects the left and right fire prevention equipment A1 and the fire prevention equipment A2 flush.
The connecting member of the present embodiment is mainly different from the first embodiment in that the outdoor cover member has a rock wool portion 202.

  The connecting member B1 is provided between the supporting steel member 10 supporting the window frames A10 and A20 of the fire protection equipment fixed to the opening of the skeleton and disposed on the left and right, and the window frames A10 and A20 provided outside the supporting steel member 10 and connected thereto. An exterior cover member (decorative material) 50 that covers from the indoor side, and an indoor cover member 30 that covers the space between the connected window frames A10 and A20 from the indoor side.

  The supporting steel material 10 is a long member having a rectangular cross section, and is disposed in the opening of the skeleton with the sides forming the rectangle coincide with the finding direction and the prospective direction of the window frame A10 and the window frame A20. The lower end is fixed to the opening of the skeleton by welding or the like to an anchor member 5 embedded in the opening of the skeleton.

In the supporting steel material 10, window frame attachment members 107 are fixed to both left and right side surfaces by welding or the like. The window frame attaching member 107 has a bar-shaped steel member 107a and an anchor portion 107b fixed to the bar-shaped steel member 107a by welding or the like. The bar-shaped steel member 107a faces the outer peripheral surfaces of the window frames A10 and A20 of the supporting steel member 10. The anchor portion 107b is attached to the prospective wall surface by welding or the like so as to face the outer peripheral surfaces of the window frames A10 and A20.
The supporting steel member 10 supports the window frames A10 and A20 by engaging the outer peripheral portions of the window frames A10 and A20 with the anchor portions 107b of the window frame attaching member 107 fixed to the left and right side surfaces of the supporting steel member 10. ing.

An inner cover mounting member 105 is fixed to the indoor side of the window frames A20 and A30 supported by the supporting steel material 10 by fixing means b such as screws.
The inner cover mounting member 105 is a long member or a piece-shaped member having a fixing portion 105a fixed to the window frames A10 and A20 and a locking portion 105b for locking the indoor-side cover member 30. Is fixed in a state in which the outer side surface of the abutment is in contact with the outer peripheral end portions of the window frames A20 and A30 on the indoor side and the supporting steel material 10.

  The indoor side cover member 30 is a long member having an indoor wall portion 30a and locking pieces 30c formed by bending left and right ends of the indoor wall portion 30a to the outside of the room. By being locked to the locking portion 105b of the mounting member 105, the mounting member 105 is mounted so as to cover the indoor side between the window frames A20 and A30.

The outdoor steel cover member mounting member 108 is fixed to both left and right side surfaces of the supporting steel material 10.
The outdoor cover member mounting member 108 is formed of a plate-like member, and the outdoor cover member mounting member 108 is fixed to both left and right side surfaces of the supporting steel member 10. A holding portion for holding the material 50 is formed.

  The outdoor-side cover member 50 includes an outer wall portion 501a, left and right prospect walls 501c, 501c extending from the inner peripheral surface of the outer wall portion 501a to the inside of the room, and left and right prospect walls 501c, 501c on the indoor side surface of the outer wall portion 501a. Have left and right ribs 501d, 501d extending further from the position where they are extended to the room side from the position on the inner peripheral side (outer peripheral side when viewed from the connecting member). Further, the outdoor cover member 501 is an inner wall portion 501e between the left and right prospect walls 501c, 501c, and connecting the left and right prospect walls 501c, 501c to the positions of the exterior wall surfaces of the window frames A10, A20 in the expected direction. Is provided, and a hollow portion is formed on the indoor side of the outer wall surface portion 501a.

Rock wool or the like is filled between the left and right prospect walls 501c, 501c of the outdoor cover member 50 and on the indoor side relative to the inner wall portion 501e to form a rock wool portion 502.
The supporting steel material 10 is inserted into the holding portion formed by the left and right outdoor cover member attaching members 108 and fixed by inserting the prospective walls 501c, 501c of the outdoor covering member 50. Supports the outdoor-side cover member 50.

  In a state in which the outdoor cover member 50 is fixed to the supporting steel material 10 supporting the window frames A10, A20 on the left and right, the outer wall surface portion 501a of the outdoor cover member 50 does not protrude significantly to the outdoor side, and the inner wall portion 501e. The rock wool portion 502 formed on the indoor side of the right side is substantially within the expected width of the left and right window frames A10 and A20.

  The left and right end positions of the outdoor side cover member 50 and the left and right end positions of the indoor side cover member 30 substantially coincide with the left and right positions of the prospective walls of the window frames A10 and A20. A backup member 81 and a seal member 82 are arranged between the outdoor wall and the outer wall surface 501a of the outdoor cover member 50.

  Further, in the present embodiment, the space between the left and right window frames A10, A20 and the outdoor cover member 50 and the supporting steel material 10 is filled with rock wool 503 as necessary.

  At this time, the rib 501d provided on the indoor side surface of the outer wall surface portion 501a of the outdoor-side cover member 50 functions as a receiver for the backup material 81, and the backup material 81 functions as a receiver for the rock wool 503.

-Fifth embodiment-
The connecting member according to the fifth embodiment will be described with reference to FIG.
The connecting member of the present embodiment is configured as a connecting member B2 that connects the left and right fire prevention equipments A2 and A3 at a substantially right angle at a corner portion (protruding corner portion). Note that the connection angle at the corner is not limited to a right angle.
Note that the connecting member of the present embodiment is mainly different from the second embodiment in that the outdoor cover member has a rock wool portion 202.

  The connecting member B2 is fixed to the opening of the skeleton and is provided with supporting steel members 10 for supporting the window frames A20 and A30 of the fire prevention equipment A2 and A3 arranged on the left and right, and a window frame A20 provided outside and connected to the outdoor side of the supporting steel members 10. , A30 from the indoor side, and an indoor side cover member 30 covering the connected window frames A20, A30 from the indoor side.

  The supporting steel member 10 is a long member having a rectangular cross section, and is disposed in the opening of the skeleton body in a state where each side forming the rectangle coincides with the finding direction or the prospective direction of the window frames A20, A30. Is fixed to the opening of the skeleton by welding or the like to the anchor member 5 embedded in the opening of the skeleton.

In the supporting steel material 10, the window frame mounting member 107 is welded to the right indoor side wall surface 10a facing the outer peripheral side prospect surface of one window frame A20 and the left indoor side wall surface 10b facing the outer peripheral side prospect surface of the other window frame A30. And so on.
The window frame attaching member 107 has a bar-shaped steel member 107a and an anchor portion 107b fixed to the bar-shaped steel member 107a by welding or the like. Is fixed by welding or the like, so that the anchor portion 107b is disposed so as to face the outer peripheral surfaces of the window frames A20 and A30.
The supporting steel member 10 supports the window frames A20 and A30 by engaging the outer peripheral portions of the window frames A20 and A30 with the anchor portions 107b of the window frame attaching member 107 fixed to the left and right side surfaces of the supporting steel member 10. ing.

The inner cover mounting member 105 is fixed to the indoor side of the window frame A20 and the window frame A30 supported by the supporting steel material 10 by fixing means such as screws.
The inner cover mounting member 105 is a long member having a fixing portion 105a fixed to the window frames A20 and A30 and a locking portion 105b for locking the indoor side cover member 30, and near the left and right ends of the fixing portion 105a. Are fixed in contact with the outer peripheral ends of the window frames A20 and A30 on the indoor side.

  The indoor-side cover member 30 is a long member having an indoor wall portion 30a and a locking piece 30c protruding from the indoor wall portion 30a on the outside of the room, and locking the locking piece 30c to the inner cover mounting member 105. By being locked to the portion 105b, it is attached so as to cover the indoor side between the window frames A20 and A30.

In the supporting steel material 10, an outdoor-side cover member attaching member 108 is fixed to the right indoor side wall surface 10a and the left indoor side wall surface 10b by welding or the like.
The outdoor cover member attaching member 108 is formed of a plate-like member, and is fixed to the right indoor side wall surface 10a and the left indoor side wall surface 10b of the supporting steel member 10, whereby the room of the supporting steel member 10 is fixed. A holding portion for holding the outdoor cover member 50 is formed outside.

The outdoor-side cover member 50 includes left and right outer wall portions 501a that are disposed on the left and right sides and are formed continuously at substantially right angles, and left and right prospect walls extending in the indoor direction from the indoor side surface of the outer wall portion 501a. 501c, 501c and the left and right prospect walls 501c, 501c on the indoor side surface of the outer wall portion 501a are further extended from the position on the inner peripheral side (outer peripheral side when viewed from the connecting member) to the indoor side. It has left and right ribs 501d, 501d.
Further, the outdoor-side cover member 50 has a cross-section substantially L connecting between the left and right prospect walls 501c, 501c, and connecting the left and right prospect walls 501c, 501c at the positions of the exterior wall surfaces of the window frames A10, A20 in the expected direction. A letter-shaped inner wall portion 501e is provided.

Between the left and right prospective walls 501c and 501c of the outdoor side cover member 50 and closer to the room side than the inner wall portion 501e, rock wool is filled in a substantially L-shape to form a rock wool portion 502.
The supporting steel member 10 is fixed to the holding portion formed by the left and right outdoor cover member attaching members 108 and the prospective walls 501c, 501c of the outdoor cover member 50, so that the supporting steel member 10 is mounted on the outdoor side of the supporting steel member 10. The cover member 50 is supported.

  In a state in which the outdoor cover member 50 is fixed to the supporting steel material 10 supporting the window frames A20 and A30 on the left and right, the outer wall portion 501a of the outdoor cover member 50 does not protrude significantly to the outside, and the inner wall portion 501e. The rock wool portion 502 formed on the indoor side of the above is substantially set within the expected width of the left and right window frames A20 and A30.

  The left and right end positions of the outdoor side cover member 50 and the left and right end positions of the indoor side cover member 30 substantially coincide with the positions of the prospective walls of the window frames A20 and A30 on the left and right, respectively. A backup material 81 and a seal material 82 are arranged between the outdoor wall of A30 and the outer wall surface 501a of the outdoor cover member 50. Rock wool 503 is filled between the left and right window frames A20, A30, the outdoor cover member 50, and the supporting steel material 10 as needed.

  At this time, the rib 501d provided on the indoor side surface of the outer wall surface portion 501a of the outdoor-side cover member 50 functions as a receiver for the backup material 81, and the backup material 81 functions as a receiver for the rock wool 503.

  As described above, the connecting member of the fourth and fifth embodiments further includes the outdoor cover member 50 in which the rock wool portion 502 is formed on the outdoor side of the supporting steel material 10, thereby further increasing the outdoor cover member. By filling the rock wool between the 50 and the supporting steel material 10 and the left and right window frames, the left and right fire protection sashes can be closed by a fireproof material, and the outer wall (which maintains the fire protection performance obtained by the fire protection sash) Non-bearing walls).

And since the rock wool part 502 is arrange | positioned so that it may be settled within the expected width of the window frame supported by the side of the support steel material 10, the upper and lower ends of the rock wool part 502 may be located above the frame opening. The window frame and the lower window frame can be substantially accommodated in the inner peripheral surface where the window frame is to be disposed, and the upper and lower ends of the rock wool portion 502 can be stably disposed without facing the inclined surface such as the drainage very much.
Further, since the outdoor cover member 50, which is a decorative material, also serves as a fireproof member, fireproof performance can be imparted without increasing the number of construction steps.

It is needless to say that the above embodiments do not limit the invention described in the claims but are treated as examples.
For example, each attachment member such as the window frame attachment piece 101 and the angle member 70 fixed to the supporting steel material 10 is not limited to a long member, and may be formed by a plurality of piece members. The fixing of each mounting member can be performed by a known means such as welding or screwing.
Further, the seal between the outdoor cover members 40 and 50 and the outdoor surface of the window frame may be a dry seal such as packing.
Further, the fire prevention equipment is not limited to a fire protection sash of a pull-off type, and the types of fire prevention equipment such as open fittings and extension fittings are not limited at all.

10-12: support steel materials 202, 502: rock wool part 30: indoor side cover members 40, 50: outdoor side cover members (decorative materials)
A10 to A40: Window frame

Claims (1)

It has a supporting steel material fixed to the frame opening and supporting the window frame to the side, and a rock wool portion supported on the outdoor side of the supporting steel material,
The rock wool part is a connecting material for fire prevention equipment that fits within the expected width of the window frame supported on the side of the supporting steel.

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