JP7169484B2 - Fireproof renovation fittings - Google Patents

Description

The present invention relates to fireproof repair fittings for repairing consecutive windows arranged at a building opening so as to have fireproof performance.

2. Description of the Related Art Conventionally, in continuous windows arranged at an opening of a building, a continuous window mullion that connects left and right windows is known.

``General catalog of building materials sashes, sashes for buildings,'' Sankyo Tateyama Co., Ltd., Sankyo Aluminum Co., Ltd. p. 2-3 p. 530-531

Although the continuous window mullions described in the above prior art documents do not have fireproof performance, in recent years, fireproof performance is also required for continuous windows.

An object of the present invention is to provide fireproof performance to existing continuous windows.

One embodiment comprises a supporting steel material, a rock wool portion, and a new vertical frame, and is attached to a frame opening having an existing vertical frame connected via an existing mullion , and the supporting steel material is The top and bottom are fixed to the opening of the frame, the rock wool part is supported by the outdoor side of the supporting steel and placed on the outdoor side of the existing mullion, and the new vertical frame is on the inner peripheral side of the existing vertical frame. It is a fire-rated retrofit fitting that is placed on the floor and fixed to the supporting steel .

With the configuration of the fireproof repair fittings of the present embodiment, it is possible to impart fireproof performance to existing continuous windows.

It is a figure of the continuous window before repairing with the fire prevention repair fittings which concerns on one Embodiment, (a) is an external view, (b) is a cross-sectional view. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure of the continuous window repaired by the fire prevention repair fittings which concern on one Embodiment, (a) is an external view, (b) is a cross-sectional view. It is a horizontal cross-sectional view of the continuous window mullion of the fire prevention repair fittings which concerns on 1st Embodiment. 1 is a vertical cross-sectional view of a fire prevention repair fitting according to a first embodiment; FIG. It is a cross-sectional view of the continuous window mullion of the fire prevention repair fittings which concerns on 2nd Embodiment. It is a vertical sectional view of the fire prevention repair fittings which concern on 2nd Embodiment. It is a cross-sectional view of the continuous window mullion of the fire prevention repair fittings which concerns on 3rd Embodiment. It is a vertical sectional view of the fire prevention repair fittings which concern on 3rd Embodiment. It is a cross-sectional view of the continuous window mullion of the fire prevention repair fittings which concerns on 4th Embodiment. It is a vertical cross-sectional view of the fire prevention repair fittings which concerns on 4th Embodiment.

In one embodiment of the present invention, an existing continuous window fitting arranged at a building opening is repaired to a continuous window fitting with fireproof performance without removing the existing mullion and the existing window frame. It is a fire prevention repair fitting.

As shown in FIG. 1( a ), the continuous windows to be repaired by the fire prevention repair fittings of this embodiment have fittings A, A arranged on the left and right sides of the existing mullion 10 having a rectangular hollow shape, and FIG. 1( b ). ), the existing vertical frames 20, 20 constituting the fittings A, A are fixed to the existing mullion 10. As shown in FIG.

The existing mullion 10 has an indoor-side engaged portion 10a and an outdoor-side engaged portion 10b on the left and right projection surfaces, and the indoor-side facing wall 20a and the outdoor side of the existing vertical frames 20, 20 on the left and right. Engaging portions formed at the outer peripheral end of the viewing wall 20b are engaged with the indoor side engaged portion 10a and the outdoor side engaged portion 10b of the existing mullion 10. As shown in FIG.

A fixing member 101 is fixed to the indoor side wall 10c of the existing mullion 10 by a fixing means b1 such as a screw. The existing vertical frame 20 is fixed to the existing mullion 10 by sandwiching the engagement portion of the indoor side wall 20a of 20,20.
A cover member 102 is attached to the indoor side of the fixed member 101 to cover the engagement portions of the existing mullion 10 and the left and right existing vertical frames 20, 20 on the indoor side.

By repairing the existing mullion 10 and the existing vertical frame 20 with the fire prevention repair fittings of the present embodiment, the existing mullion 10 has fireproof performance, as shown in FIGS. 50, and fire prevention fittings B, B are newly installed on the left and right sides of the renovated mullion 50, so that the entire fire prevention window fitting can be formed.
An embodiment for refurbishing the existing mullion 10 to a mullion having fireproof performance will be described below with reference to the drawings.

- 1st embodiment -
The repair mullion of the fire prevention repair fittings of the first embodiment includes a support steel material 60 arranged on the outdoor side of the existing mullion 10 and fixed to the frame at the top and bottom, and a support steel material 60 arranged on the outdoor side of the support steel material. It has a rock wool portion 70 supported by 60 .

The supporting steel material 60 is made of a metal material such as steel, and as shown in FIGS.
The supporting steel material 60 may be a solid member, or may be formed by combining a plurality of plate materials having a substantially U-shaped or L-shaped cross section to form a hollow shape.

The supporting steel material 60 has a length dimension extending from the upper position to the lower position of the skeleton opening, and the upper end is fixed to the anchor member C embedded in the skeleton opening via the upper mounting bracket 61a. , the lower end of which is fixed to an anchor member C embedded in the opening of the frame via a lower mounting bracket 61b.
An existing anchor member may be used as the anchor member C, or a new one may be provided according to the mounting position of the supporting steel member 60 .

A rock wool portion 70 is arranged on the outdoor side of the supporting steel material 60 .
The rock wool part 70 has a width dimension sufficient to cover the exterior facing surfaces of the existing vertical frames 20, 20 attached to the existing mullion 10, and has substantially the same length dimension as the supporting steel member 60. It is a long member.

The rock wool portion 70 is made of a metal material such as steel or an aluminum alloy, and is made of a frame member 71 having a rectangular cross section with an opening on the indoor side, a rock wool 72 filling the inside of the frame member 71, and a metal material such as steel. , and fixing metal fittings 73 attached to the frame member 71 at appropriate positions in the length direction of the frame member 71 .

If the frame member 71 is made of steel, the fixing metal fittings 73 that attach the look wool portion 70 to the supporting steel member 60 may be formed by directly attaching the mounting portions 73b, 73b that are substantially L-shaped in plan view to a plurality of positions in the longitudinal direction of the frame member 71. However, when the frame member 71 is made of an aluminum alloy, a frame member support portion 73a is arranged along the inner periphery of the frame member 71 over substantially the entire length, and the frame member 71 is supported at a plurality of positions in the longitudinal direction of the frame member 71 via the frame member support portions 73a. The mounting portions 73b, 73b may be mounted on the .

The mounting portions 73 b , 73 b protrude indoors from an opening provided on the indoor side of the frame member 71 . It is supported and fixed to the outdoor side of the supporting steel material 60 by fixing to the projection walls 60b, 60b of the support steel material 60 by fixing means b2 such as screws.

On the other hand, new vertical frames 100, 100 are fixed to the inner peripheries of the existing vertical frames 20, 20 via the vertical frames 80, 80 and the vertical frame connecting fittings 91, 91.
The vertical frames 80, 80 include a projection wall 80a having approximately the same projection dimensions as the existing vertical frame 20, and an indoor-side mounting wall 80b and an outdoor-side mounting wall extending in the outer peripheral direction from the indoor-side end and the outdoor-side end of the projection wall 80a. It consists of a member having a substantially U-shaped cross-section having 80c.

The vertical frame 80 is attached to the existing vertical frame 80 by fixing the indoor side mounting wall 80b and the outdoor side mounting wall 80c to the indoor side mounting wall 20a and the outdoor side mounting wall 20b of the existing vertical frame 20 with screws or the like (not shown). It is fixed to the inner circumference of the vertical frame 20 .

On the inner periphery of the projection wall 80a of the vertical frame 80, a vertical frame connection fitting 91 having a substantially L-shaped cross section is arranged.
The vertical frame connection metal fitting 91 has a prospective wall 91a and an outdoor-side facing wall 91b in which the outdoor end of the prospective wall 91a bends and extends outward.

The new vertical frame 100 has a plurality of ribs on the outer peripheral side. The newly installed vertical frame 100 is arranged on the inner periphery of the vertical frame connecting fitting 91 with a spacer 900 interposed therebetween, and is connected and fixed to the vertical frame 80 and the vertical frame connecting fitting 91 by fixing means b3 such as screws.

The outdoor side wall 91b of the vertical frame connection metal fitting 91 connected and fixed together with the new vertical frame 100 to the vertical frame 80 is attached to the connection metal fitting 912 fixed to the indoor side surface of the supporting steel material 60 by fixing means b4 such as screws. The supporting steel material 60 and the existing mullion 10 and the existing vertical frame 20 are connected via the vertical frame connecting fittings 91 and the vertical frame 80 .

On the indoor side of the existing mullion 10 and the existing vertical frame 20, cover support fittings 913 made of a metal material such as steel or aluminum alloy are arranged.
The cover support metal fitting 913 has an indoor side wall 913a and projection walls 913b, 913b formed by bending the left and right ends of the indoor side wall 913a toward the outside. It is fixed to the indoor side surface of the existing mullion 10 together with the fixing member 101 and the cover member 102 by fixing means b1 such as screws.

An indoor side cover 914 made of a metal material such as steel or aluminum alloy is arranged so as to cover the indoor side of the existing mullion 10 and the left and right existing vertical frames 20, 20, and the left and right sides of the indoor side cover 914 are screwed. It is fixed to the projection walls 913b, 913b of the cover support metal fitting 913 by fixing means b6 such as.
The indoor side cover 914 may be made of synthetic resin or the like, and the indoor side cover 914 and the cover support bracket 913 are fastened together and fixed to the projection wall portion 100a of the new vertical frame 100 by fixing means b6 such as screws. may be

Fire-resistant materials such as mortar and rock wool are applied to the mounting portions of the upper mounting bracket 61a and the anchor portion C and the mounting portions of the lower mounting bracket 61b and the anchor portion C of the support steel material 60 arranged on the outdoor side of the existing mullion 10. A flexible material D is filled, and a caulking material E is filled between the rock wool portion 70 and the opening of the frame.
Caulking material E is filled between the left and right indoor side surfaces of the rock wool portion 70 and the outdoor side surfaces of the new vertical frames 100 , 100 .

- Second Embodiment -
The repair mullion of the fire prevention repair fittings of the second embodiment differs from the fire prevention repair fittings of the first embodiment in the shape and arrangement position of the new vertical frame 100 of the new fittings.
Hereinafter, the fire prevention repair fittings of the second embodiment will be described with reference to the drawings, but part of the description of the same configuration as the fire prevention repair fittings of the first embodiment will be omitted.

The supporting steel material 60 is made of a metal material such as steel, and as shown in FIGS. The supporting steel material 60 of the second embodiment is set to have a projected dimension slightly larger than that of the supporting steel material 60 of the first embodiment.

In the fire prevention repair fittings of the second embodiment, new vertical frames 100, 100 are fixed to the inner peripheries of the existing vertical frames 20, 20 via new vertical frame coupling fittings 92, 92.
The new vertical frame connecting metal fittings 92, 92 consist of a first connecting metal fitting 921 fixed to the existing vertical frames 20, 20 and a second connecting metal fitting 922 fixed to the new vertical frame 100. The first connecting metal fitting 921 and the second The new vertical frame 100 is supported and fixed to the existing vertical frame 20 by connecting the two connecting fittings 922 .

The first connecting fitting 921 includes an indoor-side projection wall 921a having approximately the same projection dimensions as the existing vertical frame 20, an indoor-side mounting wall 921b extending in the outer peripheral direction from the indoor-side end of the indoor-side projection wall 921a, and an indoor-side projection wall. It has an outdoor side wall 921c extending in the outer peripheral direction from the outdoor side end of 921a, and an outdoor side wall 921d in which the outer peripheral side end of the outdoor side side wall 921c is bent and continues to the outdoor side.

The first connecting fitting 921 is formed by fixing the indoor side mounting wall 921b and the outdoor side mounting wall 921c to the indoor side mounting wall 20a and the outdoor side mounting wall 20b of the existing vertical frame 20 with screws or the like (not shown). , may be fixed to the inner periphery of the existing vertical frame 20.

On the other hand, the second connecting fitting 922 includes a projection wall 922a, an indoor side wall 922b extending in the inner peripheral direction from the indoor side of the projection wall 922a, and a cover extending in the indoor direction from the inner peripheral end of the indoor side wall 922b. It has a body attachment portion 922c and an outdoor side wall 922d extending in the outer peripheral direction from the outdoor side of the projection wall 922a.

The second connecting fitting 922 is such that the indoor side wall 100b of the new vertical frame 100 is fixed to the indoor side wall 922b by fixing means b7 such as screws, and the outdoor side wall 922d is fixed to the indoor side of the new vertical frame 100. It is connected and fixed to the outer circumference of the newly installed vertical frame 100 by being fixed by fixing means b8 such as screws.

Then, the indoor side projected wall 921a of the first connecting fitting 921 fixed to the inner periphery of the existing vertical frame 20 and the projected wall 922a of the second connecting fitting 922 connected and fixed to the outer periphery of the new vertical frame 100 are aligned with screws. The new vertical frame 100 is supported and fixed to the existing vertical frame 20 or the supporting steel material 60 by connecting with the fixing means b9 such as.

In the repaired mullion of this embodiment, the outdoor side projection wall 921d of the first connecting fitting 921 fixed to the inner periphery of the existing vertical frame 20 is fixed to the left and right projection walls 60b of the supporting steel material 60 by fixing means b10 such as screws. more connected.
Also, an indoor side cover 924 is arranged on the indoor side of the existing mullion 10 and the existing vertical frames 20, 20, and the left and right projection walls of the indoor side cover 924 are screwed into the cover body mounting portions 922c of the second connecting fittings 922. The indoor side cover 924 is attached to the existing mullion 10 and the existing vertical frames 20, 20 by being fixed by fixing means such as.

-Third Embodiment-
The modified mullion of the fire prevention repaired fittings of the third embodiment is a modified example of the fire prevention repaired fittings of the first embodiment, and the mounting structure of the new vertical frames 100 to the existing vertical frames 20 is different.
The fire prevention repair fittings of the third embodiment will be described below with reference to the drawings, but part of the description of the same configuration as the fire prevention repair fittings of the first embodiment will be omitted.

In the fire prevention repair fittings of the third embodiment, as shown in FIGS. ing. Also, the outdoor side walls 20b, 20b of the left and right existing vertical frames 20, 20 are connected to each other by an existing frame connecting member 932. As shown in FIG.

Similar to the vertical frame 80 of the first embodiment, the vertical frames 80, 80 are composed of a projected wall 80a having approximately the same projected dimensions as the existing vertical frame 20, and an indoor end and an outdoor end of the projected wall 80a. It is composed of a member having a substantially U-shaped cross section and having an indoor side mounting wall 80b and an outdoor side mounting wall 80c extending in the outer peripheral direction.

The vertical frame 80 is fixed by fixing the indoor side mounting wall 80b and the outdoor side mounting wall 80c to the indoor side mounting wall 20a and the outdoor side mounting wall 20b of the existing vertical frame 20 with screws or the like (not shown). , is fixed to the inner periphery of the existing vertical frame 20.

A new vertical frame 100 is arranged on the inner circumference of the projection wall 80a of the vertical frame 80 with a spacer 900 interposed therebetween.
The new vertical frame 100 has a plurality of ribs on the outer peripheral side, and is supported and fixed to the inner peripheral surface of the projection wall 80a of the vertical frame 80 by fixing means b3 such as screws.

The existing frame connection member 932 includes a front wall 932a, projection walls 932b, 932b in which the left and right ends of the rear wall 932a are bent and extend to the indoor side, and the indoor sides of the projection walls 932b, 932b are bent and extended to the outer peripheral side. It has fixing pieces 932c, 932c.

The attachment wall 932a of the existing frame connection member 932 is fixed to the indoor side attachment wall 60a of the supporting steel member 60 by fixing means b11 such as screws, and the fixing pieces 932c, 932c of the existing frame connection member 932 are fixed to the existing frame connection member 932. It is fixed to the exterior side walls 20b, 20b of the vertical frames 20, 20 by fixing means b12 such as screws.

On the indoor side of the existing mullion 10 and the existing vertical frame 20, cover support fittings 933 made of a metal material such as steel or aluminum alloy are arranged.
The cover support fitting 933 has an indoor side wall 933a, and wall walls 933b, 933b formed by bending the left and right ends of the indoor side wall 933a toward the outside. It is fixed to the indoor side surface of the existing mullion 10 together with the fixing member 101 and the cover member 102 by fixing means b1 such as screws.

An indoor side cover 934 is arranged so as to cover the indoor side of the existing mullion 10 and the left and right existing vertical frames 20, 20, and both the left and right sides of the indoor side cover 934 are attached to the cover support fittings 933 by fixing means b14 such as screws. are fixed to the projection walls 933b, 933b. The indoor side cover 934 and the cover support bracket 933 may be fastened and fixed together to the projection wall portion 100a of the new vertical frame 100 by fixing means b14 such as screws.

-Fourth Embodiment-
The modified mullion of the fire prevention repaired fittings of the fourth embodiment is a modified example of the fire prevention repaired fittings of the second embodiment, and the mounting structure of the new vertical frame 100 to the existing vertical frame 20 is different.
Hereinafter, the fire prevention repair fittings of the fourth embodiment will be described with reference to the drawings, but part of the description of the same configuration as the fire prevention repair fittings of the second embodiment will be omitted.

In the fire prevention repair fittings of the fourth embodiment, new vertical frames 100, 100 are fixed to the inner peripheries of the existing vertical frames 20, 20 via new vertical frame connecting fittings 94, 94. FIG.
The new vertical frame connecting metal fittings 94, 94 consist of a first connecting metal fitting 941 fixed to the existing vertical frames 20, 20 and a second connecting metal fitting 942 fixed to the new vertical frame 100. The first connecting metal fitting 941 and the second The new vertical frame 100 is supported and fixed to the existing vertical frame 20 by connecting the two connecting fittings 942 .

The first connecting fitting 941 includes a prospective wall 941a having substantially the same prospective dimensions as the existing vertical frame 20, an indoor mounting wall 941b extending in the outer peripheral direction from the indoor end of the prospective wall 941a, and an outdoor side end of the prospective wall 941a. It has an outdoor side wall 941c extending in the outer peripheral direction.

The first connecting fitting 941 is formed by fixing the indoor side mounting wall 941b and the outdoor side mounting wall 941c to the indoor side mounting wall 20a and the outdoor side mounting wall 20b of the existing vertical frame 20 by fixing means such as screws. , is fixed to the inner periphery of the existing vertical frame 20.

On the other hand, the second connecting fitting 942 includes a projection wall 942a and an indoor side facing wall 942b extending by bending the indoor side of the projection wall 942a in the inner circumferential direction, as in the second connecting fitting 922 of the second embodiment. A cover body mounting portion 942c that bends and extends indoors from the inner peripheral side of the indoor side wall 942b, and an outdoor side wall portion 942d that the outdoor side of the wall 942a bends and extends to the outer peripheral side. there is

The second connecting fitting 942 has an indoor side wall 942b fixed to the indoor side wall 100b of the new vertical frame 100 by fixing means b7 such as screws, and an outdoor side wall portion 942d is fixed to the roof of the new vertical frame 100. It is fixed to the outer circumference of the newly installed vertical frame 100 by being fixed to the inner side with fixing means such as screws.

Then, the projection wall 941a of the first connecting fitting 941 fixed to the inner periphery of the existing vertical frame 20 and the projection wall 942a of the second connecting fitting 942 fixed to the outer periphery of the new vertical frame 100 are aligned and fixed with screws or the like. The new vertical frame 100 is supported and fixed to the existing vertical frame 20 by being connected by means b9.

In addition, in the repaired mullion of this embodiment, the supporting steel material 60 is connected to the outdoor side of the existing mullion 10 via the supporting steel material connecting fitting 943 .

The supporting steel material connecting fitting 943 has a front wall 943a and projection walls 943b, 943b in which the left and right ends of the front wall 943a are bent and extended to the outside.

The attachment wall 943a of the support steel connection fitting 943 is fixed to the outdoor side wall of the existing mullion 10 by fixing means b15 such as a screw, It is fixed to the wall 60b by fixing means b16 such as screws.

An indoor side cover 944 is arranged on the indoor side of the existing mullion 10 so as to cover the indoor side of the existing mullion 10, the left and right existing vertical frames 20, 20, and the new vertical frame 100. are fixed to the cover body mounting portion 942c of the second connecting metal fitting 942 by fixing means such as screws.

As described above, the fireproof repair fittings of the present embodiment can be repaired into continuous windows with fireproof performance without removing the existing mullions and window frames from the building frame. Fire prevention repair can be done in a short construction period without the need for

In addition, in the fire prevention repair fittings of this embodiment, the supporting steel material and the rock wool part are fixed to the opening of the frame independently of the existing mullion and the existing window frame, so that the strength and fire prevention performance of the existing mullion are improved. Without being affected, it is possible to form a fire protection portion with a rock wool section on the outdoor side of the cubic section.

In addition, by connecting the supporting steel material fixed to the opening of the frame with the existing mullion or existing vertical frame, it is possible to repair it to a stronger mullion. By fixing the , a strong continuous window can be constructed.

In this embodiment, the fittings arranged as continuous windows are explained by taking an example of double sliding windows, but the type of fittings is not limited. Any of the windows may be of any type.

In addition, it goes without saying that the above embodiments do not limit the invention described in the claims, but are treated as examples.

10: Existing mullion 10a: Indoor-side engaged portion 10b: Outdoor-side engaged portion 10c: Indoor-side facing wall 20: Existing vertical frame 20a: Indoor-side facing wall 20b: Outdoor-side facing wall 60: Support Steel material 60a: indoor side wall 60b: projection wall 61a: upper mounting bracket 61b: lower mounting bracket 70: rock wool portion 71: frame member 72: rock wool 73: fixing bracket

Claims (1)

Equipped with supporting steel materials, rock wool sections, and new vertical frames,
It is attached to a frame opening having an existing vertical frame connected via an existing mullion,
The supporting steel material is fixed to the opening of the frame at the top and bottom ,
The rock wool part is supported on the outdoor side of the supporting steel and placed on the outdoor side of the existing mullion.
The new vertical frame is a fire prevention repair fitting that is placed on the inner circumference side of the existing vertical frame and fixed to the supporting steel material.

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