JP6837891B2 - Houses and fittings - Google Patents

Description

The present invention relates to a door body and fittings used for a building entrance, a kitchen door, etc., and provided with a daylighting window.

As a door body and fittings that are placed at the entrance and exit of a building and have a daylighting window, fittings that are provided with a double glazing for the purpose of daylighting are known. (See, for example, Patent Document 1).
This fitting holds the double glazing of the lighting part with a frame. The picture frame includes a resin indoor member arranged on the indoor side of the double glazing and an aluminum outdoor member arranged on the outdoor side. As a result, it is possible to provide a door body and fittings having excellent heat insulating properties by suppressing heat conduction from the outdoor member made of aluminum to the indoor member made of resin.

Japanese Unexamined Patent Publication No. 2016-132947

However, in Patent Document 1, although the heat insulating performance is excellent, if the resin interior member of the frame melts in the event of a fire, the glass may fall off. For this reason, there is a demand for door bodies and fittings that can provide high fire protection performance while maintaining heat insulation.

An object of the present invention is to provide a door body and fittings capable of improving heat insulation performance and fire prevention performance while having a daylighting window.

The door body of the present invention includes a door body having an opening, a frame attached to the opening, a multilayer glass held by the frame and arranged in the opening, the frame and the multilayer. The multi-layer glass includes outdoor glass and indoor glass, and at least the outdoor glass is made of fireproof glass, and the frame is made of metal and is provided with a glass holding metal fitting provided between the glasses. It is configured to include a resin frame arranged on the indoor side of the metal frame, and the metal frame is formed on a metal holding portion arranged on the outdoor side of the outdoor glass and an outer peripheral surface of the outdoor glass. The resin frame is provided with a metal prospective surface portion arranged along the resin holding portion arranged on the indoor side of the indoor glass, and the metal frame is arranged along the outer peripheral surface of the indoor glass. The glass holding metal fitting includes a resin prospective surface portion connected to the prospective surface portion, the first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and the outdoor of the outdoor glass. A first holding metal fitting including a first finding surface portion arranged between the surface and the metal holding portion is provided, and the first holding metal fitting includes the outdoor glass and the first holding metal fitting at the time of foaming. A heated foam material is provided to close the space , and the first holding metal fittings include a side surface holding metal fitting arranged along the side surface of the outdoor glass, a top surface holding metal fitting arranged along the upper surface of the outdoor glass, and the above. It includes a bottom surface holding metal fitting arranged along the lower surface of the outdoor glass, and at least the side surface holding metal fitting is formed continuously on the first prospective surface portion in addition to the first prospective surface portion and the first finding surface portion. A first facing surface portion facing the first finding surface portion is provided, and the arrangement position of the outdoor glass in the prospective direction is between the first finding surface portion and the first facing surface portion. To do.

Here, in the double glazing, a plurality of pieces of glass including outdoor glass and indoor glass are arranged via spacers, and dry air or argon gas is sealed in the hollow portion between the glass, or the hollow portion is evacuated. The heat insulation performance has been improved by unitizing the glass. Generally, it is often composed of two pieces of glass, an outdoor glass and an indoor glass, but it may be composed of three or more pieces of glass by providing an intermediate glass between the indoor glass and the indoor glass. Further, at least the outdoor glass of the double glazing is made of fireproof glass such as wire-reinforced glass in consideration of fireproofness. Glass other than outdoor glass may also be fireproof glass. Such double glazing is used as a daylighting window for a house.
According to such a door body, since the heated foaming material is provided on the first holding metal fitting, when the heated foaming material foams and expands in the event of a fire, it is between the outdoor glass (fireproof glass) and the first holding metal fitting. The gap can be closed with a heated foam material. Further, the glass holding metal fitting is arranged between the metal frame and the outdoor glass. Therefore, in the daylighting window of the door body, a flame shield line can be formed by a metal frame, a first holding metal fitting, a heated foam material, and outdoor glass, and the fireproof performance of the daylighting window can be improved.
Further, since the resin prospective surface portion is provided along the outer peripheral surface of the indoor glass, the resin prospective surface portion can be provided so as to project at least toward the outdoor side of the indoor glass. Therefore, with respect to the hollow portion of the double glazing, the resin prospective surface portion of the resin frame can be provided at a position arranged in the in-plane direction of the double glazing. Since the heat insulating performance of the resin prospective surface can be easily improved by forming a hollow portion, the lighting window portion of the door body has a hollow portion of double glazing and an in-plane direction with respect to the hollow portion. A heat insulating line can be formed by the resin prospective surfaces provided at the lined positions, and the daylighting window, that is, the heat insulating performance of the door body can be improved.

According to the present invention, among the first holding metal fittings, the side surface holding metal fittings arranged at least along the side surface of the outdoor glass (fireproof glass) include a first prospective surface portion, a first finding surface portion, and a first facing surface portion. Since the heated foam material provided in the first holding metal fitting is foamed, the foaming in the indoor / outdoor direction is restricted to the positions of the first finding surface portion and the first facing surface portion. Therefore, the heated foaming material is more likely to expand to the side surface side of the outdoor glass as compared with the case where the first facing surface portion is not provided. Further, since the arrangement position of the outdoor glass in the prospective direction is between the first finding surface portion and the first facing surface portion, the expanded heated foam material is not only on the outer peripheral surface (side surface) of the outdoor glass but also in the outdoor direction and. It also expands indoors.
Therefore, when the height direction of the outdoor glass is larger than the left and right width directions, such as the daylighting window of the entrance door, or when the height direction and the left and right width directions are the same, the side holding bracket And even if the metal frame is warped by heat in the event of a fire and the position of the side holding bracket with respect to the outdoor glass is slightly displaced, the space between the outdoor glass and the side holding bracket can be reliably closed with the heated foam material, and the fire protection performance is improved. Can be improved.
The upper surface holding metal fitting and the lower surface holding metal fitting may or may not be provided with the first facing surface portion, and may be set according to the width dimension of the outdoor glass and the like.

The door body of the present invention includes a door body having an opening, a frame attached to the opening, a multilayer glass held by the frame and arranged in the opening, the frame and the multilayer. The multi-layer glass includes outdoor glass and indoor glass, and at least the outdoor glass is made of fireproof glass, and the frame is made of metal and is provided with a glass holding metal fitting provided between the glasses. It is configured to include a resin frame arranged on the indoor side of the metal frame, and the metal frame is formed on a metal holding portion arranged on the outdoor side of the outdoor glass and an outer peripheral surface of the outdoor glass. The resin frame is provided with a metal prospective surface portion arranged along the resin holding portion arranged on the indoor side of the indoor glass, and the metal frame is arranged along the outer peripheral surface of the indoor glass. The glass holding metal fitting includes a resin prospective surface portion connected to the prospective surface portion, the first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and the outdoor of the outdoor glass. A first holding metal fitting including a first finding surface portion arranged between the surface and the metal holding portion is provided, and the first holding metal fitting includes the outdoor glass and the first holding metal fitting at the time of foaming. A heated foam material that closes the space is provided, the outdoor glass is formed in a flat rectangular shape with a pair of long sides and a pair of short sides, and the first holding metal fitting is the length of the outdoor glass. A pair of long side holding metal fittings arranged along the sides and a pair of short side holding metal fittings arranged along the short side of the outdoor glass are provided, and at least the long side holding metal fittings are said to have the same. In addition to the first prospective surface portion and the first finding surface portion, the first prospective surface portion is provided with a first facing surface portion that is continuously formed and faces the first finding surface portion, and is configured to include the prospective direction of the outdoor glass. Is characterized in that the arrangement position of is between the first finding surface portion and the first facing surface portion .

According to the present invention, the first holding metal fittings are the long side holding metal fittings arranged along the long side of the outdoor glass (fireproof glass) (the vertical side surface in the case of vertically long outdoor glass), and the outdoor glass. It is provided with a short side holding metal fitting arranged along the short side (upper surface and lower surface in the case of vertically long outdoor glass).
Then, at least the long side holding metal fitting is formed in a substantially U shape including the first prospective surface portion, the first finding surface portion, and the first facing surface portion, so that the heated foam material provided on the first holding metal fitting is foamed. At that time, foaming in the indoor / outdoor direction is restricted to the positions of the first finding surface portion and the first facing surface portion. Therefore, the heated foaming material is more likely to expand toward the long side of the outdoor glass as compared with the case where the first facing surface portion is not provided. Further, since the position of the outdoor glass in the prospective direction is between the first finding surface portion and the first facing surface portion, the expanded heated foam material is not only on the outer peripheral surface of the outdoor glass but also in the outdoor direction and the indoor direction. Also expands.
Therefore, like the daylighting window of the entrance door, the height dimension of the outdoor glass is larger than that of the left and right width directions, and the long side holding bracket and the metal frame are thermally warped in the event of a fire, and the long side with respect to the outdoor glass. Even if the position of the side holding metal fitting is slightly displaced, the space between the outdoor glass and the long side holding metal fitting can be reliably closed with the heated foam material, and the fire prevention performance can be improved.
The short side holding metal fitting may or may not be provided with the first facing surface portion, and may be set according to the length dimension of the short side of the outdoor glass.

The door body of the present invention includes a door body having an opening, a frame attached to the opening, a multilayer glass held by the frame and arranged in the opening, the frame and the multilayer. The multi-layer glass includes outdoor glass and indoor glass, and at least the outdoor glass is made of fireproof glass, and the frame is made of metal and is provided with a glass holding metal fitting provided between the glasses. It is configured to include a resin frame arranged on the indoor side of the metal frame, and the metal frame is formed on a metal holding portion arranged on the outdoor side of the outdoor glass and an outer peripheral surface of the outdoor glass. The resin frame is provided with a metal prospective surface portion arranged along the resin holding portion arranged on the indoor side of the indoor glass, and the metal frame is arranged along the outer peripheral surface of the indoor glass. The glass holding metal fitting includes a resin prospective surface portion connected to the prospective surface portion, the first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and the outdoor of the outdoor glass. A first holding metal fitting including a first finding surface portion arranged between the surface and the metal holding portion is provided, and the first holding metal fitting includes the outdoor glass and the first holding metal fitting at the time of foaming. A heated foam material that closes the space is provided, and the glass holding metal fitting includes a second holding metal fitting that is arranged along at least the left and right side surfaces of the indoor glass and is connected to the first holding metal fitting, and the second holding metal fitting is provided. The holding metal fittings are arranged between a second prospective surface portion arranged between the outer peripheral surface of the indoor glass and the resin prospective surface portion, and a second prospective surface portion arranged between the indoor surface of the indoor glass and the resin holder portion. It is characterized by having a finding surface portion.

According to the present invention, the first holding metal fittings and the second holding metal fittings are arranged on the outdoor side and the indoor side of at least the side surface portion of the double glazing provided with the outdoor glass and the indoor glass. Even if the frame is thermally warped or melted in the event of a fire and the double glazing cannot be held, it is possible to prevent the double glazing from falling to the outdoor side or the indoor side. Therefore, the flame-shielding line by the outdoor glass and the heated foaming material can be maintained, and the fire prevention performance can be improved.

The door body of the present invention includes a door body having an opening, a frame attached to the opening, a multilayer glass held by the frame and arranged in the opening, the frame and the multilayer. The multi-layer glass includes outdoor glass and indoor glass, and at least the outdoor glass is made of fireproof glass, and the frame is made of metal and is provided with a glass holding metal fitting provided between the glasses. It is configured to include a resin frame arranged on the indoor side of the metal frame, and the metal frame is formed on a metal holding portion arranged on the outdoor side of the outdoor glass and an outer peripheral surface of the outdoor glass. The resin frame is provided with a metal prospective surface portion arranged along the resin holding portion arranged on the indoor side of the indoor glass, and the metal frame is arranged along the outer peripheral surface of the indoor glass. The glass holding metal fitting includes a resin prospective surface portion connected to the prospective surface portion, the first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and the outdoor of the outdoor glass. A first holding metal fitting including a first finding surface portion arranged between the surface and the metal holding portion is provided, and the first holding metal fitting includes the outdoor glass and the first holding metal fitting at the time of foaming. A heated foam material that closes the space is provided, the indoor glass is formed in a flat rectangular shape having a pair of long sides and a pair of short sides, and the glass holding metal fitting is formed of at least the length of the indoor glass. A second holding metal fitting is provided along the side and connected to the first holding metal fitting, and the second holding metal fitting is arranged between the outer peripheral surface of the indoor glass and the resin prospective surface portion. 2. It is characterized by including a prospective surface portion and a second finding surface portion arranged between the indoor surface of the indoor glass and the resin holding portion.

According to the present invention, the first holding metal fittings and the second holding metal fittings are arranged on the outdoor side and the indoor side of at least the long side portion of the double glazing provided with the outdoor glass and the indoor glass. Therefore, even if the frame is thermally warped or melted in the event of a fire and the double glazing cannot be held, it is possible to prevent the double glazing from falling to the outdoor side or the indoor side. Therefore, the flame-shielding line by the outdoor glass and the heated foaming material can be maintained, and the fire prevention performance can be improved.

In the door body of the present invention, it is preferable that a heated foaming material facing the indoor surface of the indoor glass is attached to the second finding surface portion.
According to the present invention, since the space between the indoor surface of the indoor glass and the second holding metal fitting can be closed with the heating foam material, the fire prevention performance can be further improved.

In the door body of the present invention, a heated foaming material which is at least partially opposed to the outer peripheral surface of the outdoor glass is attached to the first prospective surface portion of the first holding metal fitting, and the first holding metal fitting is said to have the first It is preferable that at least a part of the finding surface portion is attached with a heated foam material facing the outdoor surface of the outdoor glass .

The heat-foaming material usually tends to foam in a direction orthogonal to the surface on which the heat-foaming material is provided, that is, on the member side facing the heat-foaming material. Therefore, the heated foaming material provided on the first prospective surface portion foams toward the outer peripheral surface of the facing outdoor glass, and the outer peripheral surface of the outdoor glass and the first prospective surface portion can be closed in a short time. Further, the heated foaming material provided on the first finding surface portion foams toward the outdoor surface of the facing outdoor glass, and can close the outdoor surface of the outdoor glass and the first finding surface portion in a short time.
Therefore, in the event of a fire, the first holding metal fitting and the outdoor surface and the outer peripheral surface of the outdoor glass can be quickly closed with the respective heated foaming materials. Furthermore, since a heated foaming material is provided on the first finding surface portion, the space between the first finding surface portion and the outdoor surface of the outdoor glass can be quickly closed with the heated foaming material, especially when a fire breaks out on the outdoor side. It is possible to further improve the fire prevention performance.

In the door body of the present invention, it is preferable that a heated foam material facing the outer peripheral surface of the indoor glass is attached to the resin prospective surface portion.
According to the present invention, the space between the outer peripheral surface of the indoor glass and the prospective resin surface portion can be closed with a heated foaming material. Therefore, the space between the resin frame and the indoor glass can be closed with a heated foaming material, and the fire prevention performance can be further improved.

The fitting of the present invention is characterized by including the door body and a fitting frame provided so as to open and close the door body.
According to such fittings, it is possible to provide fittings having excellent heat insulating performance and fire prevention performance while having a daylighting window.

According to the present invention, it is possible to provide a door body and fittings having a daylighting window and excellent in heat insulating performance and fire prevention performance.

The external view of the door which concerns on embodiment of this invention. A vertical sectional view of the door. Cross-sectional view of the door. The vertical cross-sectional view which shows the daylighting window part of the door in an enlarged manner. The cross-sectional view which shows the daylighting window part of the door enlarged. An exploded cross-sectional view showing an enlarged lower frame portion of the lighting window. The vertical sectional view which shows the upper part and the lower part of the door of the door in an enlarged manner. The cross-sectional view which shows the door end side and the hanging side of the door enlarged. The vertical cross-sectional view which shows the daylighting window part of the modification of this invention in an enlarged manner. FIG. 5 is an enlarged cross-sectional view showing a lighting window portion of a modified example of the present invention.

[Embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, the entrance door 1 which is the fitting of the present invention is a so-called single door, and the door frame 2 which is a fitting frame fixed to the opening of the outer wall of the building and the door frame 2 It is configured to include a door 10 which is a door body supported so as to be openable and closable.

[Door frame configuration]
The door frame 2 has an upper frame 3, a lower frame 4, and left and right vertical frames 5, 6. The vertical frame 5 arranged on the right side of FIG. 1 is the hanging side, the pivot hinge 7 is attached, and the vertical frame 6 arranged on the left side of FIG. 1 is the door end side. Further, in the following description, the prospective directions of the door frame 2 (upper frame 3, lower frame 4, vertical frame 5, 6) and door 10 mean the indoor / outdoor direction (depth direction), and the upper frame 3 and the lower frame. The finding direction of 4 means the vertical direction, and the finding direction of the vertical frames 5 and 6 means the horizontal direction when the door frame 2 is viewed from the front (outdoor surface or indoor surface). Therefore, as shown in FIGS. 1 to 3, the vertical direction of the entrance door 1 is defined as the Y axis, the horizontal direction orthogonal to the Y axis and parallel to the surface of the door 10 is defined as the X axis, and the X axis and Assuming that the direction orthogonal to the Y-axis is the Z-axis, the expected direction is the Z-axis direction, the finding directions of the upper frame 3 and the lower frame 4 are the Y-axis directions, and the finding directions of the vertical frames 5 and 6 are the X-axis directions. It becomes. The in-plane direction of the double glazing 21 is a direction along the outdoor surface or the indoor surface of the double glazing 21, and includes a Y-axis direction and an X-axis direction orthogonal to the prospective direction (Z-axis direction). The direction is along.

As shown in FIGS. 2 and 3, the upper frame 3, the lower frame 4, and the vertical frames 5 and 6 are composed of a heat insulating profile in which an aluminum outdoor member and an indoor member are connected by a heat insulating member such as urethane resin. There is. A main tight material 8 and a sub tight material 9 that come into contact with the indoor surface of the door 10 when the door 10 is closed are attached to the upper frame 3, the lower frame 4, and the vertical frames 5 and 6.
In FIGS. 2 and 3, hatching is omitted for the outdoor members, indoor members, maintight material 8 and subtight material 9 of the upper frame 3, lower frame 4, vertical frames 5 and 6, in order to make the drawings easier to see. ing.

The maintight material 8 is made of a general synthetic resin material such as EPDM (ethylene propylene rubber) or PVC (polyvinyl chloride).
The subtight material 9 is a general synthetic resin material used as a gasket for construction such as TPO (thermo polyolefin), and is fitted to the outdoor members of the vertical frames 5 and 6, and the door 10 is fitted when the door 10 is closed. Abuts on the side surface (the prospective surface along the prospective direction).

[Door configuration]
As shown in FIG. 1, the door 10 is provided with a vertically long lighting window 20 at the center in the left-right direction along the up-down direction. In FIG. 1, the vertical frame 5 side, that is, the right side is the hanging side of the door 10, and the vertical frame 6 side, that is, the left side is the door end side of the door 10. Further, an operation handle 17 is provided on the door end side of the door 10.

The door 10 includes a door body 11 having an opening 11A and a daylighting window 20 provided in the opening 11A.
The daylighting window 20 includes a double glazing 21 arranged in the opening 11A and a frame 22 for holding the double glazing 21.

[Door body]
As shown in FIGS. 2 and 3, the door body 11 includes an outer bone 12, an inner bone 13, an outdoor surface material 14 fixed to the outdoor side of the outer bone 12 and the inner bone 13, and the outer bone 12 and the inner bone 13. It includes an indoor surface material 15 fixed to the indoor side, and a heat insulating core material 16 provided between the outdoor surface material 14 and the indoor surface material 15.
The outdoor surface material 14, the indoor surface material 15, and the heat insulating core material 16 of the door 10 are provided with the opening 11A for forming the lighting window 20, and the inner bone 13 is along the inner peripheral surface of the opening 11A. It is provided.

The outdoor surface material 14 and the indoor surface material 15 are made of steel plates.
The heat insulating core material 16 is made of a heat insulating material made of EPS (expanded bead method polystyrene). As the heat insulating core material 16, a phenol resin-based heat insulating material may be used, or a honeycomb material (aluminum hydroxide honeycomb, ceramic honeycomb, paper honeycomb), a foam material (isocyanurate foam, urethane foam, phenol resin foam). Insulation material such as, etc. may be used.

[Inner bone]
The internal bone 13 includes an upper bone 13A, a lower bone 13B, and left and right vertical bones 13C and 13D arranged along the upper surface, the lower surface, and the left and right side surfaces of the opening 11A.
As shown in FIGS. 4 and 5 in which the lighting window 20 is enlarged, each of these bones includes a resin aggregate 130, a metal aggregate 140, a bracket 150 which is a metal piece material, and a non-combustible heat insulating material 160. It has almost the same configuration. The detailed configuration of the resin aggregate 130, the metal aggregate 140, and the bracket 150 will be described by taking the lower bone 13B shown enlarged in FIG. 6 as an example.

[Resin aggregate]
As shown in FIG. 6, the resin aggregate 130 is an extruded product formed of a synthetic resin material such as PVC with a substantially E-shaped cross section. The resin aggregate 130 includes a connecting piece 131 formed along the prospective direction of the door 10 and an outdoor piece 132 extending from the outdoor side of the connecting piece 131 in the finding direction (direction toward the double glazing 21). And the indoor piece 133 extending from the indoor side of the connecting piece 131 in the finding direction, and the partition piece 134 protruding from the connecting piece 131 in the finding direction between the outdoor piece 132 and the indoor piece 133. It has.
The outdoor piece 132 of the resin aggregate 130 is arranged along the outdoor surface material 14, and the indoor piece 133 is arranged along the indoor surface material 15.

The partition piece 134 is provided between the outdoor piece 132 and the indoor piece 133, and is formed substantially parallel to the outdoor piece 132 and the indoor piece 133. The partition piece 134 is provided at a position shifted to the indoor side from the central position in the prospective direction of the connecting piece 131, and the dimensions between the outdoor piece 132 and the partition piece 134 are the indoor piece 133 and the partition piece 134. It is set larger than the dimension between 134. The section piece 134 is formed with notches at a plurality of locations in the longitudinal direction of the resin aggregate 130, and brackets 150, which are metal pieces, are arranged in these notches.

[Metal aggregate]
The metal aggregate 140 is a channel material (lightweight channel steel) made of a steel material such as steel, and reinforces the resin aggregate 130. The metal aggregate 140 includes a web 141, an outdoor flange 142 continuous with the outdoor end of the web 141, and an indoor flange 143 continuous with the indoor end of the web 141. The web 141 is arranged along the prospective direction like the connecting piece 131 of the resin aggregate 130, the outdoor flange 142 is arranged along the inner surface (indoor surface) of the outdoor piece 132, and the indoor flange 143 is the partition piece. It is arranged along the outdoor surface of 134.

[bracket]
The bracket 150 is a short channel material made of a steel material such as steel, and is fixed continuously in the direction orthogonal to the receiving piece portion 151 arranged along the connecting piece portion 131 and the outdoor end portion of the receiving piece portion 151. A piece 152 and an indoor piece 153 continuous in a direction orthogonal to the indoor end of the receiving piece 151 are provided.
The fixing piece portion 152 of the bracket 150 is abutted against the indoor flange 143 of the metal aggregate 140, and is connected to the metal aggregate 140 by a rivet 155 which is a metal connecting tool. A plurality of brackets 150 are prepared, and are arranged at, for example, about 2 to 5 positions in the notch portion of the section piece 134, that is, in the longitudinal direction of the resin aggregate 130.

[Non-combustible insulation]
A heat insulating material (hereinafter referred to as non-combustible heat insulating material) 160 made of a non-combustible material such as non-combustible, flame-retardant, self-extinguishing, and slow-burning is arranged between the compartment piece 134 and the indoor piece 133. Has been done. The non-combustible heat insulating material 160 is made of, for example, non-combustible polyurethane, carbonized MDF (medium density fiberboard), or the like. Therefore, the non-combustible heat insulating material 160 is made of a material that is at least less combustible than the heat insulating core material 16 made of EPS.
The non-combustible heat insulating material 160 of the present embodiment is a long prismatic material along the longitudinal direction of the resin aggregate 130, and is arranged along the receiving piece portion 151 of each bracket 150. That is, the non-combustible heat insulating material 160 is provided so as to straddle each bracket 150.
A plurality of brackets 150, which are metal parts, are also arranged between the partition piece 134 and the indoor piece 133, but since most of them are arranged with the non-combustible heat insulating material 160, the heat insulating performance can be improved.

In the lower bone 13B, the connecting piece 131 of the resin aggregate 130 is arranged along the heat insulating core 16, and the outdoor piece 132, the indoor piece 133, and the compartment piece 134 are openings from the connecting piece 131. It is provided so as to project toward 11A (double glazing 21). Therefore, the space between the outdoor piece 132 and the partition piece 134 and the space between the partition piece 134 and the outdoor piece 132 are opened on the opening 11A side, respectively.
In the metal aggregate 140, the web 141 is arranged on the opening 11A side, and the outdoor flange 142 and the indoor flange 143 are arranged so as to project toward the connecting piece 131 side of the resin aggregate 130, that is, the heat insulating core 16 side. There is.
In the bracket 150, the receiving piece portion 151 is arranged along the connecting piece portion 131, and the fixed piece portion 152 and the indoor piece portion 153 are arranged so as to project from the receiving piece portion 151 toward the opening 11A.

[Fixed structure between inner bone and outdoor surface material, indoor surface material]
The outdoor surface material 14 is arranged along the outdoor surface of the outdoor piece 132 of the resin aggregate 130, and is fixed to the metal aggregate 140 via the outdoor piece 132 by the rivet 135 which is a metal outdoor joining metal fitting. ing.
The indoor surface material 15 is arranged along the indoor surface of the indoor piece 133 of the resin aggregate 130, and is fixed to the bracket 150 via the indoor piece 133 by a rivet 135 which is a metal outdoor joining metal fitting. ..
The outdoor surface material 14 and the indoor surface material 15 are adhered to the outdoor surface and the indoor surface of the heat insulating core material 16 by using a double-sided tape or an adhesive. Further, the resin aggregate 130 may also be adhered to the resin aggregate 130 by using a double-sided tape or an adhesive instead of the rivet 135 or in addition to the rivet 135.

[Heat foaming material for internal bone]
Two heated foaming materials 171 and 172 are attached to the surface of the metal aggregate 140 on the opening 11A side of the web 141 with double-sided tape or the like. Each of the heated foam materials 171 and 172 is a tape-shaped member continuous along the longitudinal direction of the metal aggregate 140, and is attached over the entire length of the metal aggregate 140 in the longitudinal direction. The heated foaming materials 171 and 172 are provided to close the gap with the frame 22 as will be described later.
A heated foaming material 173 is attached to the connecting piece 131 of the resin aggregate 130 with double-sided tape or the like. The heated foaming material 173 is arranged between the compartment piece 134 and the indoor piece 133, and is arranged between the connecting piece 131 and the receiving piece 151 of the bracket 150. The heat foaming material 173 is a tape-shaped member that is continuous along the longitudinal direction of the resin aggregate 130, and is attached over the entire length of the resin aggregate 130 in the longitudinal direction. Therefore, in the portion where the bracket 150 is not arranged, it is arranged so as to face the noncombustible heat insulating material 160. The heated foaming material 173 is provided to close a gap between the bracket 150 and the non-combustible heat insulating material 160 and the indoor surface material 15.
These heat-foaming materials 171, 172, and 173 are composed of heat-expandable graphite and the like, and when the temperature rises above a predetermined temperature (for example, 200 degrees) in the event of a fire or the like, they foam to about 20 to 40 times. It expands and functions as a flame shield. The other heated foaming materials described below are also made of the same material.

[Upper bone of internal bone, vertical bone]
As shown in FIG. 4, the upper bone 13A has the same structure as the lower bone 13B, and the lower bone 13B is oriented upside down, that is, the connecting piece 131 of the resin aggregate 130 is on the upper side (insulation core material 16). Side), the web 141 of the metal aggregate 140 is arranged in the opening 11A (double glazing 21 side).
As shown in FIG. 5, the vertical bones 13C and 13D also have the same structure as the upper bone 13A and the lower bone 13B, and the connecting piece 131 of the resin aggregate 130 is attached to the outside of the door body 11 (insulation core material 16 side). ), The web 141 of the metal aggregate 140 is arranged on the opening 11A side (multi-layer glass 21 side).
Therefore, detailed description of the upper bone 13A, the vertical bone 13C, and 13D will be omitted.

[Daylighting window]
As shown in FIGS. 1 to 3, the daylighting window 20 includes a double glazing 21 and a frame 22 for holding the double glazing 21.

[Double glazing]
As shown in FIGS. 4 to 6, the multilayer glass 21 includes a fireproof glass (wired glass) 211 which is an outdoor glass arranged on the outdoor side, a flat glass 212 which is an indoor glass arranged on the indoor side, and each of them. It is a triple glass provided with three pieces of glass of flat glass 213 which is an intermediate glass arranged between the glasses 211 and 212.
The glasses 211 to 213 are joined via spacers 215 and 216, and a hollow portion is provided between the glasses 211 to 213. Normally, dry air is sealed in the hollow portion, but if the heat insulating performance is to be improved, argon gas may be sealed or the hollow portion may be in a vacuum state.
Since the double glazing 21 includes the fireproof glass 211 made of wire-reinforced glass, the fireproof performance can be ensured. Further, since the three pieces of glass 211 to 213 are arranged via the hollow portion, the heat insulating property can be improved.
As shown in FIG. 6, the outdoor surface 21A of the double glazing 21 is the outdoor surface of the fireproof glass 211, and the indoor surface 21B of the double glazing 21 is the indoor surface of the flat glass 212. The outer peripheral surface 21C of the double glazing 21 is a surface facing the inner bone 13, and includes the outer peripheral surfaces of the fireproof glass 211, the plate glass 212, and 213, and the outer peripheral surfaces of the spacers 215 and 216. The outer peripheral surface 21C of the double glazing 21 is a surface orthogonal to the in-plane direction of the double glazing 21, that is, a surface along the prospective direction (Z-axis direction) of the double glazing 21.

[Picture frame]
As shown in FIGS. 2 and 3, the frame 22 is composed of a metal frame 30 that holds the outdoor side of the double glazing 21, a resin frame 40 that holds the indoor side of the double glazing 21, and a resin frame 40. It is configured to include a frame covering material 50 that covers the indoor side. In the present embodiment, the metal frame 30 and the frame cover material 50 are made of aluminum, and the resin frame 40 is made of EPDM (ethylene propylene rubber), PVC (polyvinyl chloride), or the like.

[Metal picture frame]
As shown in FIG. 1, the metal frame 30 includes a metal upper frame 30A arranged on the upper side of the double glazing 21 and a metal lower frame 30B arranged on the lower side of the double glazing 21. It is provided with vertical metal frames 30C and 30D arranged on the left and right sides of the double glazing 21.
The vertical picture frames 30C and 30D are arranged over the entire length from the upper end to the lower end of the door body main body 11. The upper frame 30A is arranged from the opening 11A to the upper end of the door body 11, and the lower frame 30B is arranged from the opening 11A to the lower end of the door body 11.
Therefore, each of the picture frames 30A to 30D not only holds the double glazing 21 but also is used as a design part of the door body main body 11.

[Upper frame, lower frame]
As shown in FIGS. 2 and 4, the upper frame 30A and the lower frame 30B are extruded aluminum profiles having the same cross-sectional shape (longitudinal cross-sectional shape), and are arranged so as to be upside down from each other. In the frames 30A and 30B, the double glazing 21 side is the inside and the heat insulating core 16 side is the outside in the Y-axis direction (vertical direction).

As shown in FIG. 4, the upper frame 30A and the lower frame 30B include prospective surface portions 31A and 31B, outdoor holding portions 32A and 32B, and decorative surface portions 33A and 33B. The prospective surface portions 31A and 31B are metal prospective surface portions provided along the prospective direction of the door body main body 11. The outdoor holding portions 32A and 32B are metal holding portions extending inward (lower side in the upper frame 30A and upper side in the lower frame 30B) from the outdoor side ends of the prospective surface portions 31A and 31B. The decorative surface portions 33A and 33B extend from the outdoor side ends of the prospective surface portions 31A and 31B to the outside (upper side in the upper frame 30A and lower side in the lower frame 30B).

Groove forming portions 34A and 34B for forming grooves that open to the indoor side are provided at the indoor side ends of the prospective surface portions 31A and 31B, and screw hole portions 35A and 35B are provided in the prospective direction intermediate portions of the prospective surface portions 31A and 31B. It is formed.
The positions of the groove forming portions 34A and 34B in the prospective direction are substantially the intermediate portion of the double glazing 21, that is, the position where the plate glass 213 is arranged, and the range in which the web 141 of the metal aggregate 140 is provided (outdoor flange 142). And the indoor flange 143).
As will be described later, tapping screws 49 for connecting to the resin frame 40 are screwed into the grooves of the groove forming portions 34A and 34B.

The outdoor holding portions 32A and 32B are extended inward from the outdoor side ends of the prospective surface portions 31A and 31B, and are further bent toward the indoor side, that is, the double glazing 21 side, and the fireproof glass 211 is formed at the indoor side end. A sealing material 36 that comes into contact with the outdoor surface 21A of the above is attached.

The decorative surface portions 33A and 33B are extended from the outdoor side ends of the prospective surface portions 31A and 31B to the upper and lower ends of the door body main body 11, and a plurality of protrusions are provided on the back surface thereof, and these protrusions are provided on the outdoor surface material 14. The decorative surface portions 33A and 33B are arranged apart from the outdoor surface material 14 by abutting against the outdoor surface material 14.

[Vertical picture frame]
As shown in FIGS. 3 and 5, the vertical picture frames 30C and 30D are extruded aluminum profiles having the same cross-sectional shape (cross-sectional shape), and are arranged so that their left and right sides are reversed from each other.
In the vertical frame 30C and 30D, the double glazing 21 side will be described as the inside and the heat insulating core material 16 side as the outside in the finding direction (X-axis direction).
Similar to the upper frame 30A and the lower frame 30B, the vertical frame 30C and 30D are the metal prospective surface portions 31C and 31D provided along the prospective direction of the door body 11 as shown in FIG. , The outdoor holding portions 32C and 32D, which are metal holding portions, and the decorative surface portions 33C and 33D are provided.

Groove forming portions 34C and 34D for forming a groove opening on the indoor side are provided at the indoor side ends of the prospective surface portions 31C and 31D. The positions of the groove forming portions 34C and 34D in the prospective direction are the same as those of the groove forming portions 34A and 34B. As will be described later, tapping screws 49 for connecting to the resin frame 40 are screwed into the grooves of the groove forming portions 34C and 34D.
Further, through holes (not shown) are formed in the intermediate portions of the prospective surface portions 31C and 31D in the prospective direction, and screws (not shown) are screwed into the screw hole portions 35A and 35B from the through holes to form an upper frame 30A and a lower portion. The frame 30B and the vertical frames 30C and 30D are connected.

Similar to the outdoor holding portions 32A and 32B, the outdoor holding portions 32C and 32D are attached with a sealing material 36 that comes into contact with the outdoor surface 21A of the fireproof glass 211.
The decorative surface portions 33C and 33D have a hollow shape, and the back surface side is in contact with the outdoor surface material 14.

[Resin picture frame]
The resin frame 40 is provided so as to surround the double glazing 21, and as shown in FIGS. 4 and 5, the upper frame 40A and the lower frame 40B arranged on the upper side and the lower side of the double glazing 21 and the double glazing It includes vertical frames 40C and 40D arranged on the left and right sides of the glass 21.
Each of the picture frames 40A to 40D is made of extruded resin material having the same cross-sectional shape. Further, the end portions of the respective frame frames 40A to 40D in the longitudinal direction are cut at an angle of 45 degrees, the end faces are abutted against each other, and the end faces are joined by welding or adhesion.

[Lower frame]
Since each of the frame 40A to 40D has the same cross-sectional shape, the structure will be described by taking the lower frame 40B shown in FIG. 6 as an example.
The lower frame 40B has a prospective surface portion 41 which is a resin prospective surface portion arranged along the outer peripheral surface 21C of the double glazing 21 and an indoor side holding portion which is a resin holding portion arranged on the indoor side of the double glazing 21. A portion 42 and an indoor contact portion 43 that comes into contact with the indoor surface material 15 are provided.
The prospective surface portion 41 is arranged along the prospective direction and is arranged along the prospective direction with the first prospective surface portion 411 facing the outer peripheral surface 21C of the double glazing 21, and is arranged on the inner bone 13 (lower bone 13B). It includes a second prospective surface portion 412 facing each other, and three connecting portions 413 to 415 that connect the first prospective surface portion 411 and the second prospective surface portion 412.
The connecting portions 413 to 415 are the first connecting portion 413, the second connecting portion 414, and the third connecting portion 415 in this order from the outdoor side. In addition, in order to improve the strength, the third connecting portion 415 has a larger dimension in the prospective direction than the other connecting portions 413 and 414, and a hollow portion is formed.
Further, the connecting portion 413 is integrally provided with a soft contact portion 413A that abuts on the metal frame 30.

The prospective surface portion 41 includes a first hollow portion (first hollow portion) 416 and a second hollow portion (second hollow portion) 417. The first hollow portion 416 is surrounded by the first prospective surface portion 411, the second prospective surface portion 412, the first connecting portion 413, and the second connecting portion 414, and the second hollow portion 417 is the first prospective surface portion 411 and the second prospective surface portion 411. It is formed by being surrounded by a face portion 412, a second connecting portion 414, and a third connecting portion 415.
In the prospective surface portion 41, the first prospective surface portion 411 located on the inner peripheral side of the resin frame 40 protrudes to the outdoor side as compared with the second prospective surface portion 412, and the tip thereof is an inclined surface 411A. ..

The indoor side holding portion 42 is formed continuously from the third connecting portion 415 of the prospective surface portion 41, and is provided at the end portion of the finding surface portion 421 facing the indoor surface 21B of the double glazing 21 and the end portion of the finding surface portion 421. It is provided with a unit 422.
A sealing material 424 that is softer than the hollow portion 422 is provided on the outdoor surface of the hollow portion 422.
On the indoor surface of the hollow portion 422, an opposing portion 425 facing the frame cover material 50 and an engaging portion 426 to which the frame cover material 50 is engaged are formed.

As shown in FIG. 6, the indoor contact portion 43 includes an extension portion 431 extending inward from the third connecting portion 415 and an indoor side extending outward from the indoor side end portion of the extension portion 431. The finding surface portion 432, which is the finding surface portion, the contact portion 433 protruding from the outer end portion of the finding surface portion 432 toward the indoor surface material 15, and the surface of the finding surface portion 432 facing the indoor surface material 15 are integrally provided. It is provided with a soft sealing material 434.

[Heat foam material for resin frame]
A heated foaming material 45 is provided on the first prospective surface portion 411 of the prospective surface portion 41 of the lower frame 40B. Further, a heated foaming material 47 is provided on the finding surface portion 421 of the indoor side holding portion 42.

The heated foaming material 45 is arranged on the indoor end side of the first prospective surface portion 411, and the position in the prospective direction is substantially the same as that of the second hollow portion 417.
The heat foaming material 47 is arranged inside the finding surface portion 421 and is arranged adjacent to the sealing material 424.

The positional relationship between each of these heated foaming materials 45 and 47 and the double glazing 21 and the inner bone 13 is as follows.
That is, as shown in FIGS. 4 and 6, the heated foaming material 45 faces the outer peripheral surface 21C of the plate glass 212, and further faces the sealing material 424 provided in the gap between the plate glass 212 and the indoor side holding portion 42. It is provided in.
The heated foaming material 47 is provided at a position facing the space between the indoor surface 21B on the outer peripheral portion of the plate glass 212 and the plate glass 212 and the first prospective surface portion 411.

As shown in FIG. 6, the lower frame 40B of the present embodiment includes a synthetic resin material constituting the prospective surface portion 41, the indoor side holding portion 42, and the indoor contact portion 43, a sealing material 424, 434, and a soft contact portion 413A. It is a co-extruded product (integrally molded product) manufactured by simultaneously extruding two types of materials with a synthetic resin material constituting the above. The heated foaming materials 45 and 47 are adhered to the prospective surface portion 41 and the indoor side holding portion 42 with double-sided tape or the like.

A steel plate 48 as a metal plate material for holding the heated foaming material 481 that foams in the event of a fire is provided on the indoor surface of the lower frame 40B. The steel plate 48 is bent from the indoor surface of the indoor side holding portion 42 and the prospective surface portion 41 along the indoor contact portion 43, and the heat foaming material 481 is adhered to the position on the outdoor side of the finding surface portion 432.

[Upper frame, vertical frame]
As shown in FIGS. 4 and 5, the upper frame 40A, the vertical frame 40C, and 40D are the same coextruded products as the lower frame 40B, and thus the description thereof will be omitted.

[Connecting structure of metal frame and resin frame]
The resin frame 40 formed by combining the upper frame 40A, the lower frame 40B, the vertical frames 40C, and 40D in a rectangular frame shape is connected to the metal frame 30. That is, the resin frame 40 is formed from the steel plate 48 through the through holes formed in the prospective surface portions 41 of the upper frame 40A, the lower frame 40B, the vertical frame 40C, and 40D, and the upper frame 30A, the lower frame 30B, and the vertical frame 30C. It is connected to the metal frame 30 by a plurality of tapping screws 49 screwed into the groove forming portions 34A, 34B, 34C, 34D of the 30D.
By tightening the tapping screw 49, the double glazing 21 can be sandwiched and held between the metal frame 30 and the resin frame 40. At this time, the sealing material 36 and the sealing material 424 come into contact with the double glazing 21, and the sealing material 434 comes into contact with the indoor surface material 15 to improve the airtightness.
Further, in the resin frame 40, since the soft contact portion 413A abuts on the metal frame 30, the soft contact portion 413A is deformed when the tapping screw 49 is tightened, and stress is applied to the resin frame 40. Can be reduced.

[Picture frame cover material]
As shown in FIGS. 4 and 5, the frame cover material 50 is a cover that covers the resin frame 40 so as not to be exposed to the indoor side, and is made of an extruded aluminum profile. The frame cover material 50 includes an inner engaging portion 51 that engages with the engaging portion 426 of the resin frame 40, and an outer engaging portion 52 that engages with the contact portion 433.
The frame cover material 50 covers the upper frame 40A, the lower frame 40B, the vertical frame 40C, and 40D, respectively, and the end faces in the longitudinal direction thereof are cut at 45 degrees, and the end faces are abutted and bonded to each other. It is assembled in a frame shape.
The frame cover material 50 hides the resin frame 40 to improve the design of the indoor surface of the entrance door 1. Therefore, if the resin frame 40 can secure the design, the frame cover material 50 may not be provided.

[Glass holding bracket]
As shown in FIGS. 4 and 5, a glass holding metal fitting 60 is provided inside the frame 22 (on the side of the double glazing 21) composed of the metal frame 30 and the resin frame 40. The glass holding metal fitting 60 is used when the resin frame 40 is melted or the metal frame 30 is thermally deformed in the event of a fire, so that the metal frame 30 and the resin frame 40 cannot hold the double glazing 21. , Holds the double glazing 21. Therefore, the glass holding metal fitting 60 is made of a metal material such as steel, which has a higher melting point than the material (aluminum) of the metal frame 30.

The glass holding metal fitting 60 includes a first holding metal fitting 61 and a second holding metal fitting 62.
The first holding metal fitting 61 is made of a long material continuous along the outer peripheral surface 21C of the double glazing 21. As shown in FIGS. 4 and 5, the first holding metal fittings 61 include an upper surface holding metal fitting 61A arranged along the upper surface of the fireproof glass 211 and a lower surface holding metal fitting 61B arranged along the lower surface of the fireproof glass 211. And side holding metal fittings 61C and 61D arranged along the left and right side surfaces of the fireproof glass 211. The double glazing 21 of the present embodiment is formed in a vertically long flat rectangular shape in which the vertical dimension is larger than the horizontal dimension. Therefore, in the first holding metal fitting 61, the long side holding metal fittings arranged along the pair of long sides of the double glazing 21 are the side holding metal fittings 61C and 61D, and the pair of short sides of the double glazing 21. The short side holding metal fittings arranged along the above are the upper surface holding metal fitting 61A and the lower surface holding metal fitting 61B.

On the other hand, the second holding metal fitting 62 is a short piece material, and a plurality of the second holding metal fittings 62 are provided at intervals along the outer peripheral surface 21C of the double glazing 21. Since the lighting window 20 of the present embodiment has a larger dimension in the vertical direction (Y-axis direction) than the dimension in the width direction (X-axis direction) of the double glazing 21, the upper surface and the lower surface of the double glazing 21 have a larger dimension. , 1 to 2 second holding metal fittings 62 are provided, and 3 to 4 second holding metal fittings 62 are provided on the side surface.
The second holding metal fitting 62 may be made of a long material continuous along the outer peripheral surface 21C of the double glazing 21 as in the case of the first holding metal fitting 61, instead of the piece material. However, the use of the piece-shaped second holding metal fitting 62 can improve the heat insulating performance as compared with the case of using the long second holding metal fitting 62.

The details of the first holding metal fitting 61 and the second holding metal fitting 62 will be described by taking the glass holding metal fitting 60 attached to the lower frame 30B shown in FIG. 6 as an example.
The first holding metal fitting 61 includes a first prospective surface portion 611, a first finding surface portion 612, and a first facing surface portion 613.
The first prospective surface portion 611 is arranged between the outer peripheral surface 21C of the fireproof glass (wired glass) 211 and the prospective surface portion 31B of the lower frame 30B, and is fastened to the prospective surface portion 31B with screws 614. The position of the first prospective surface portion 611 in the prospective direction of the outdoor side edge substantially coincides with the arrangement position of the sealing material 36, and is set to the position on the outdoor side of the fireproof glass 211.
Further, the position of the indoor side edge of the first prospective surface portion 611 is located on the outdoor side of the prospective surface portion 31B on the indoor side, and is located on the indoor side of the fireproof glass 211.

The first finding surface portion 612 projects inward from the outdoor side edge of the first prospective surface portion 611, and is arranged on the outdoor side of the fireproof glass 211. The first finding surface portion 612 is extended to a position where it substantially abuts on the sealing material 36, and is provided to a position where it overlaps with the outdoor surface 21A of the fireproof glass 211 in the prospective direction.
The first facing surface portion 613 has a shorter protruding dimension than the first finding surface portion 612, and is configured so as not to come into contact with the outer peripheral surface 21C of the double glazing 21.

The second holding metal fitting 62 includes a second prospective surface portion 621, a second finding surface portion 622, and a connecting piece portion 623.
The second prospective surface portion 621 is arranged between the plate glass 212 of the double glazing 21 and the outer peripheral surface 21C of the plate glass 213, and the prospective surface portion 31B of the lower frame 30B and the prospective surface portion 41 of the lower frame 40B. Therefore, the second prospective surface portion 621 is provided so as to straddle the metal frame 30 and the resin frame 40.
The second finding surface portion 622 projects inward from the outdoor side edge of the second prospective surface portion 621, and is arranged on the indoor side of the flat glass 212. The second finding surface portion 622 is extended to a position where the position inside the finding direction (double glazing 21 side) is about the same as that of the first finding surface portion 612, and to a position where it overlaps with the indoor surface 21B of the flat glass 212 in the prospective direction. It is provided.

The connecting piece portion 623 is projected from the outdoor side end portion of the second prospective surface portion 621 to the prospective surface portion 31B side, and is connected to the first facing surface portion 613 by a screw 624.
As shown in FIGS. 4 and 5, the glass holding metal fittings 60 attached to the upper frame 30A, the vertical frame 30C, and 30D also have the same configuration as the glass holding metal fittings 60 attached to the lower frame 30B, and thus the description thereof will be omitted. To do.

[Heat foaming material for glass holding metal fittings]
A heated foaming material 631 facing the outer peripheral surface 21C of the fireproof glass 211 is adhered to the first prospective surface portion 611 of the first holding metal fitting 61, and the outdoor surface 21A of the fireproof glass 211 is adhered to the indoor surface of the first finding surface portion 612. The heated foam material 632 facing the surface is adhered to the surface. Further, a heated foam material 633 is adhered to the outdoor surface of the first finding surface portion 612 at a position close to the connecting portion with the first prospective surface portion 611.
As shown in FIG. 4, the dimensions of the heated foam material 631 adhered to the first prospective surface portion 611 of the upper surface holding metal fitting 61A and the lower surface holding metal fitting 61B are the same as the dimensions of the first prospective surface portion 611 in the prospective direction. It is said to be almost the same.
On the other hand, as shown in FIG. 5, the dimensions of the heated foam material 631 adhered to the first prospective surface portions 611 of the side holding metal fittings 61C and 61D are smaller than the dimensions of the first prospective surface portion 611 in the prospective direction. It is said that. Therefore, in the side holding metal fittings 61C and 61D, the heating foam material 635 is also adhered to the outdoor surface of the first facing surface portion 613.
A heated foam material 634 facing the flat glass 212 is adhered to the outdoor surface of the second finding surface portion 622 of the second holding metal fitting 62.

[Setting block]
A setting block 25 is arranged between the lower frame 30B and the left and right vertical frames 30C and 30D and the double glazing 21. The setting blocks 25 are formed in the shape of a short piece, and a plurality (for example, two) are arranged along the longitudinal direction of the lower frame 30B, the vertical frame 30C, and 30D. Further, notches are formed in the first prospective surface portion 611 and the first facing surface portion 613 of the first holding metal fittings 61 fixed to the lower frame 30B and the vertical frame 30C and 30D according to the positions where the setting block 25 is arranged. The setting block 25 is arranged in this notched portion. Since the second holding metal fitting 62 is a piece material, it is arranged at a position different from that of the setting block 25. The setting block 25 may be placed on the first prospective surface portion 611 without forming a notch on the first prospective surface portion 611 of the first holding metal fitting 61.
As shown in FIG. 6, the setting block 25 is continuous with the inclined surface 251 that guides the tip of the first prospective surface portion 411 and the inclined surface 251 when the resin frame 40 is connected to the metal frame 30. It is provided with a guide surface 252 that is formed and guides the first prospective surface portion 411.

[Insert bracket]
As shown in FIG. 5, between the vertical frames 30C and 30D and the vertical bones 13C and 13D, a plug-in metal fitting 26 for restricting their relative movement is provided. That is, through holes penetrating the prospective surface portions 31C and 31D and the first prospective surface portion 611 are formed at a plurality of locations in the longitudinal direction (vertical direction) of the vertical frame portions 30C and 30D. Further, a square hole corresponding to the through hole is formed in the web 141 of the metal aggregate 140 of the vertical bones 13C and 13D. The vertical frames 30C and 30D and the vertical bones 13C and 13D are positioned in the prospective direction and the vertical direction by the insertion fitting 26 inserted into the through hole. Therefore, in the event of a fire, the relative position of the glass holding metal fitting 60 with respect to the metal aggregate 140 is regulated by the insertion metal fitting 26.

[External bone]
Next, the configuration of the outer bone 12 will be described with reference to FIGS. 7 and 8. FIG. 7 is an enlarged vertical cross-sectional view of the upper bone 12A and the lower bone 12B shown in FIG. 2, and FIG. 8 is an enlarged cross-sectional view of the vertical bones 12C and 12D shown in FIG.
The outer bone 12 includes an upper bone 12A, a lower bone 12B, and left and right vertical bones 12C and 12D arranged along the upper surface, the lower surface, and the left and right side surfaces of the heat insulating core material 16.
The upper bone 12A, lower bone 12B, vertical bone 12C, and 12D are partially different from the lower bone 13B in the orientation of the resin aggregate 130 and the metal aggregate 140, the shape of the bracket 150, etc., but have a basic structure. Is the same. Therefore, the same reference numerals are given to the configurations corresponding to each component, and the description will be simplified.

[Upper and lower bones]
As shown in FIGS. 2 and 7, the upper bone 12A and the lower bone 12B include a resin aggregate 130, a metal aggregate 140, a bracket 150, and a non-combustible heat insulating material 160, similarly to the upper bone 13A and the lower bone 13B. Has been done. However, the orientation of the metal aggregate 140 with respect to the resin aggregate 130 is different from that of the upper bone 13A and the lower bone 13B, and the bracket 150 is formed in a substantially L-shaped cross section including only the receiving piece portion and the connecting piece portion. It differs in that it is.
In the upper bone 12A, in the resin aggregate 130, the connecting piece 131 is exposed on the upper surface of the door 10, and the outdoor piece 132, the indoor piece 133, and the compartment piece 134 project downward, that is, toward the heat insulating core material 16. It is arranged in the orientation. In the metal aggregate 140, the web 141 is arranged along the connecting piece 131, and the outdoor flange and the indoor flange are arranged so as to project downward.
In the bracket 150, a receiving piece portion is arranged along the connecting piece portion, and the fixing piece portion projects downward.
The lower bone 12B is arranged so that the upper bone 12A is turned upside down.

[Vertical bone]
As shown in FIGS. 3 and 8, the vertical bones 12C and 12D are configured to include a resin aggregate 130, a metal aggregate 140, a bracket 150, and a noncombustible heat insulating material 160, similarly to the upper bone 12A and the lower bone 12B. There is. The vertical bones 12C and 12D have an engaging protrusion having a substantially L-shaped cross section for attaching the edge material 55 and the cover material 56, which will be described later, to the resin aggregate 130 with the upper bone 12A and the lower bone 12B. Although they differ in that they have the same other configurations, the description thereof will be omitted.

The outdoor surface material 14 is arranged along the outdoor surface of the heat insulating core material 16, and the outer edge portion thereof is bent from the outdoor piece 132 of the resin aggregate 130 to the indoor side along the connecting piece 131, and the resin aggregate 14 is formed. It is riveted to the 130 and the metal aggregate 140.
The indoor surface material 15 is arranged along the indoor surface of the heat insulating core material 16, and the outer edge portion thereof is bent from the indoor piece portion 133 of the resin aggregate 130 to the outdoor side along the connecting piece portion 131, and the resin aggregate is formed. It is riveted to the 130 and the bracket 150.

[Heat foam material for upper and lower bones of outer frame]
As shown in FIG. 7, heated foaming materials 181 and 182 are provided on the upper bone 12A and the lower bone 12B of the outer bone 12. The heated foaming material 181 is adhered to the outdoor side position of the compartment piece 134 in the connecting piece 131 of the resin aggregate 130 with double-sided tape or the like. The heat foaming material 181 is provided between the connecting piece 131 and the web 141 of the metal aggregate 140.
The heated foam material 181 foams and expands when heated by a fire, and closes the gap between the metal aggregate 140 and the upper frame 3 and the lower frame 4 when the connecting piece 131 melts. In particular, since the web 141 of the metal aggregate 140 is arranged on the inner side of the panel of the heated foaming material 181, the heated foaming material 181 foams toward the upper frame 3 and the lower frame 4, and the upper frame 3 and the lower frame It can be closed by filling the gap with 4.

The heated foam material 182 is adhered to the position between the indoor piece portion 133 and the compartment piece portion 134 in the connecting piece portion 131 of the resin aggregate 130 with double-sided tape or the like. The heated foaming material 182 is arranged between the indoor surface material 15 and the non-combustible heat insulating material 160.
The heated foaming material 182 foams and expands when heated by a fire, and when the connecting piece 131 melts, it fills and closes the gap between the noncombustible heat insulating material 160 and the indoor surface material 15, and further heats the foaming material. A part of 182 can be filled and closed in the gap between the non-combustible heat insulating material 160 and the upper frame 3 and the lower frame 4.

A heated foaming material 320 supported by the holding plate 310 is attached to the lower surface of the upper frame 3, and the heated foaming material 320 foams toward the upper bone 12A, so that the heated foaming material 320 is formed together with the heated foaming material 182. , The non-combustible heat insulating material 160 and the upper frame 3 can be closed.

[Heat foaming material for the vertical bone of the outer frame]
As shown in FIG. 8, the vertical bones 12C and 12D of the outer bone 12 are adhered to the outdoor flange 142 and the indoor flange 143 of the metal aggregate 140 in addition to the same heated foaming material 182 as the upper bone 12A and the lower bone 12B. The heat foaming materials 183 and 184 are provided.
[Edge material]
An aluminum edge material 55 is attached to the surface of the resin aggregate 130 of the vertical bones 12C and 12D. A heated foaming material 58 is attached to the surface of the edge material 55 facing the resin aggregate 130.

[Cover material]
The cover material 56 is made of a thermoplastic resin such as PVC and is arranged on the indoor side of the edge material 55.
Heat foaming materials 565 and 566 are provided on the back surface of the cover material 56, that is, the surface facing the resin aggregate 130. The cover material 56 and the heated foaming materials 565 and 566 are integrally manufactured by simultaneous extrusion molding.
The cover material 56 is arranged at a position where the subtight material 9 comes into contact with the door 10 when the door 10 is closed.

[Vertical frame heating foam material]
The vertical frames 5 and 6 have a heated foaming material 37 attached across the outdoor member and the heat insulating member, a heated foaming material 38 attached across the indoor member and the heat insulating member, and a main tight. A heated foaming material 39 attached to the holding piece of the material 8 is provided.

[Door fire protection structure]
Regarding the fireproof structure in the entrance door 1, the function of the heated foaming material that foams due to the fire will be described.

[Fire protection structure with daylighting window]
When the temperature around the lighting window 20 rises due to the heat of a fire and each of the heated foaming materials shown in FIGS. 4 and 5 reaches the foaming temperature (for example, 200 ° C.), each heated foaming material foams and expands.
Between the double glazing 21 and the frame 22, the heated foaming material 631 facing the outer peripheral surface 21C of the fireproof glass 211 foams and expands, so that the first prospective surface portion 611 of the first holding metal fitting 61 and the fireproof glass 211 The space between the outer peripheral surface 21C and the outer peripheral surface 21C is closed. The heated foaming material 631 provided on the vertical frames 30C and 30D has a smaller volume than the heated foaming material 631 provided on the upper frame 30A and the lower frame 30B, but the heated foaming material 635 is provided. , The volume of the heated foaming material in the space surrounded by the first holding metal fitting 61 is almost the same. Then, the heated foaming materials 631 and 635 are adhered to the inner surface of the first holding metal fitting 61, and expand mainly toward the fireproof glass 211 side which is not blocked by the first holding metal fitting 61, and the fireproof glass. The space between the 211 and the first holding metal fitting 61 can be reliably closed.
Further, the heated foaming material 632 facing the outdoor surface 21A of the fireproof glass 211 foams, and the gap between the first finding surface portion 612 and the outdoor surface 21A of the fireproof glass 211 can be closed. Further, since the heated foaming material 631 and the heated foaming material 635 are provided at positions facing the spacer 215, the spacer 215 portion can also be covered.

Further, when the heated foaming materials 171 and 172 provided on the metal aggregate 140 of the inner bone 13 reach the foaming temperature, they foam and expand toward the metal frame 30. Therefore, the gap between the metal aggregate 140 and the prospective surface portions 31A to 31D of the metal frame 30 can be closed. Since the heated foaming materials 171 and 172 also close the gap between the indoor surface material 15 and the metal aggregate 140 and the holes formed in the metal aggregate 140, gas is temporarily generated from the heat insulating core material 16 and the like. It is also possible to prevent the gas from flowing out to the metal frame 30 side.
The heated foaming material 633 provided on the outdoor surface of the first holding metal fitting 61 closes the gap together with the heated foaming material 171 and covers the outdoor surface of the first holding metal fitting 61 to suppress the temperature rise of the first holding metal fitting 61 and the like. ..

The heated foaming material 45 provided on the prospective surface portion 41 of the resin frame 40 also closes the gap between the second holding metal fitting 62 and the outer peripheral surface 21C of the double glazing 21, and can prevent flames and smoke from flowing.
The heated foaming material 47 provided in the indoor side holding portion 42 foams toward the indoor surface 21B of the double glazing 21 and can close the gap between the indoor side holding portion 42 and the double glazing 21.

The heated foaming material 173 closes the gap between the non-combustible heat insulating material 160 and the indoor surface material 15 to prevent the outflow of gas generated from the heat insulating core material 16.
The heated foaming material 481 closes the gap between the steel plate 48 and the indoor surface material 15 to prevent the outflow of gas and the like.

[Fire protection structure between door frame and door]
When the temperature of the door frame and the outer bone of the door rises due to the heat of the fire and each of the heated foaming materials shown in FIGS. 7 and 8 reaches the foaming temperature (for example, 200 ° C.), each heated foaming material foams and expands. ..
As shown in FIG. 7, when the heated foaming materials 181 and 182 are foamed and expanded, they close the gap between the upper frame 3 and the upper bone 12A and the gap between the lower frame 4 and the lower bone 12B. Further, the heated foam material 320 closes the gap between the upper frame 3 and the upper bone 12A.

As shown in FIG. 8, when the heated foaming materials 58, 565, 566, 37, 38, 39 foam, they close between the vertical frames 5, 6 and the vertical bones 12C, 12D. Further, the heated foaming materials 183, 184, and 182 were generated from the heat insulating core material 16 by closing the holes formed in the resin aggregate 130 and the metal aggregate 140 and the gaps between the noncombustible heat insulating material 160 and the indoor surface material 15. It prevents the outflow of gas.

As described above, in the event of a fire, each heated foaming material foams, seals the inside of the door 10, and closes the gap between the door frame 2 and the door 10, so that the fire prevention performance required for the entrance door 1 is ensured.

[Effect of the embodiment]
(1) Since the door 10 which is a door body is provided with the heated foaming material 631 on the first holding metal fitting 61, when the heated foaming material 631 foams and expands due to the heat of a fire, the fireproof glass 211 and the first The gap between the holding metal fittings 61 can be closed with the heating foam material 631.
Further, the glass holding metal fitting 60 is arranged between the metal frame 30 and the fireproof glass 211. Therefore, in the daylighting window 20 of the door 10, the metal frame 30, the first holding metal fitting 61, the heated foam material 631, and the fireproof glass 211 prevent flames and smoke from flowing indoors and outdoors in the daylighting window 20 portion. A flame shield line can be formed. Therefore, the fire protection performance of the lighting window 20 can be improved.
Further, since the resin frame 40 is provided with the prospective surface portion 41 arranged along the outer peripheral surface 21C of the double glazing 21 (plate glass 212), the prospective surface portion 41 of the resin frame 40 is at least the double glazing 21 (plate glass). It can be provided so as to project to the outdoor side from the indoor surface 21B of 212). Therefore, the hollow portion formed between the plate glass 212 and the plate glass 213 of the double glazing 21 and the prospective surface portion 41 having the first hollow portion 416 in the resin frame 40 are arranged in the in-plane direction of the double glazing 21. Therefore, the heat insulating line can be formed by the hollow portion of the double glazing 21 and the prospective surface portion 41, and the heat insulating performance of the light collecting window 20, that is, the door 10 can be improved.
Therefore, it is possible to provide a door 10 which is a door body capable of improving heat insulation performance and fire prevention performance while having a daylighting window 20, and an entrance door 1 which is a fitting.

(2) In the first holding metal fitting 61, the side surface holding metal fittings 61C and 61D arranged at least along the side surface of the fireproof glass 211 include a first prospective surface portion 611, a first finding surface portion 612, and a first facing surface portion 613. When the heated foam material 631 provided on the first holding metal fitting 61 foams, the foaming in the indoor / outdoor direction reaches the positions of the first finding surface portion 612 and the first facing surface portion 613. Can be regulated. Therefore, the heated foaming material 631 expands toward the outer peripheral surface 21C side of the fireproof glass 211 opened by the first holding metal fitting 61. Therefore, even if heat warpage occurs in the metal frame 30 or the like, the space between the side surface of the fireproof glass 211 and the first holding metal fitting 61 can be reliably closed with the heated foaming material 631, and the fireproof performance can be improved.
Further, since the upper surface holding metal fitting 61A and the lower surface holding metal fitting 61B also have the first facing surface portion 613, the upper surface and the lower surface of the fireproof glass 211 and the first holding metal fitting 61 are surely closed with the heating foam material 631. It is possible to further improve the fire prevention performance.

(3) Since the heated foaming material 631 of the first prospective surface portion 611 is provided at a position facing the outer peripheral surface 21C of the fireproof glass 211, it expands toward the facing outer peripheral surface 21C during foaming, and these are quickly formed. Can close the gap.
Since the heated foaming material 632 of the first finding surface portion 612 is provided at a position facing the outdoor surface 21A of the fireproof glass 211, it expands toward the facing outdoor surface 21A during foaming and closes these gaps in a short time. Can be closed.
Therefore, in the event of a fire, the first holding metal fitting 61 and the outdoor surface 21A and the outer peripheral surface 21C of the fireproof glass 211 can be quickly closed with the heated foaming materials 631 and 632, respectively. Further, since the heat foaming material 632 is provided on the first finding surface portion 612, the heating foam material 632 is provided between the first finding surface portion 612 and the outdoor surface 21A of the fireproof glass 211, especially when a fire breaks out on the outdoor side. It can be closed quickly with, and the fire prevention performance can be further improved.

(4) Since the heated foaming material 45 is attached to the prospective surface portion 41 of the resin frame 40, the space between the outer peripheral surface 21C of the plate glass 212 and the prospective surface portion 41 can be closed with the heated foaming material 45, and the fire prevention performance can be improved. It can be further improved.

(5) Since the glass holding metal fitting 60 includes a second holding metal fitting 62 connected to the first holding metal fitting 61, the first finding surface portion 612 and the second finding surface portion 612 and the second finding are found on the outdoor side and the indoor side of the double glazing 21. The face portion 622 can be arranged. Therefore, even if the metal frame 30 or the resin frame 40 is thermally warped or melted in the event of a fire and the double glazing 21 cannot be held, it is possible to prevent the double glazing 21 from falling to the outdoor side or the indoor side. Therefore, the flameproof line by the fireproof glass 211 and the heated foaming materials 631 and 632 can be maintained, and the fireproof performance can be improved.

(6) Since the heated foaming material 634 facing the indoor surface 21B of the flat glass 212 was attached to the second finding surface portion 622, the indoor surface 21B and the second holding of the flat glass 212 arranged on the most indoor side of the double glazing 21 were attached. The space between the metal fittings 62 can be closed with the heated foam material 634, and the fire prevention performance can be further improved.

(7) Since the first prospective surface portion 411 of the prospective surface portion 41 is a continuous flat surface along the outer peripheral surface 21C of the double glazing 21, the heated foaming material 45 is compared with the case where the heated foaming material 45 is provided on the outer peripheral surface 21C. 45 can be easily provided.

(8) Since the heated foaming material 47 is provided on the indoor side holding portion 42 of the resin frame 40, foaming is performed between the indoor side holding portion 42 and the indoor surface 21B of the double glazing 21 (plate glass 212) in the event of a fire. It can be closed with the heated foam material 47. Therefore, the space between the resin frame 40 and the double glazing 21 is closed by the heat foaming material 45 and the heat foaming material 47 on two surfaces, the outer peripheral surface 21C and the indoor surface 21B of the double glazing 21. Fire protection performance can be further improved.

(9) Since the steel plate 48 is attached to the indoor surface of the resin frame 40 and the heated foam material 481 is provided between the steel plate 48 and the finding surface portion 432, it is made of resin when a fire occurs on the indoor side of the door 10. Even when the finding surface portion 432 of the frame 40 is melted and burnt down, the heated foam material 481 can be foamed and expanded to close the space between the steel plate 48 and the indoor surface material 15 of the door 10. Therefore, it is possible to prevent the prospective surface portion 41 of the resin frame 40 from being exposed to the flame, and it is possible to improve the fire prevention performance.

(10) Since the two hollow portions 416 and 417 arranged in the prospective direction are provided on the prospective surface portion 41 of the resin frame 40, the strength can be ensured even if the prospective surface portion 41 has a relatively large expected dimension. it can. Further, if two hollow portions 416 and 417 are provided, each hollow portion 416 and 417 can be partitioned by the second connecting portion 414, and the air cooled in the first hollow portion 416 on the outdoor side is the second hollow. Since it does not flow into the portion 417, the heat insulating property can be improved as compared with the case where one hollow portion is provided.

(11) Further, as shown in FIGS. 2 and 3, the non-combustible heat insulating material 160 of the outer bone 12, the heat insulating core material 16, the non-combustible heat insulating material 160 of the inner bone 13, and the hollow portion 416, 417 of the prospective surface portion 41 of the resin frame 40. Since the intermediate portion between the plate glass 212 and the plate glass 213 of the double glazing 21 is substantially aligned in the prospective direction of the door 10, a heat insulating line continuous in the in-plane direction of the double glazing 21 can be formed, and the door 10 can be formed. Insulation performance can be improved.
Further, the door frame 2 (upper frame 3, lower frame 4, vertical frame 5, 6) is composed of the heat insulating profile, and the position of the heat insulating member in the heat insulating profile in the prospective direction is almost the same as the heat insulating line of the door 10. Since they are aligned, a heat insulating line continuous from the door 10 to the door frame 2 can be formed in the in-plane direction, and the heat insulating performance of the entrance door 1 can be improved.

[Modification example]
The present invention is not limited to the configuration described in the above embodiments, and modifications within the range in which the object of the present invention can be achieved are included in the present invention.
For example, as the glass holding metal fitting, the upper surface holding metal fitting 61E and the lower surface holding metal fitting 61F as shown in FIG. 9 may be used. The upper surface holding metal fittings 61E and the lower surface holding metal fittings 61F are not provided with the first facing surface portion, and are composed of only the first prospective surface portion 611 and the first finding surface portion 612. As shown in FIG. 10, the side holding metal fittings 61C and 61D arranged on the side surface of the fireproof glass 211 include a first prospective surface portion 611, a first finding surface portion 612, and a first facing surface portion 613, as in the above embodiment. ing.
In this case, the second holding metal fitting 62 is connected only to the side surface holding metal fittings 61C and 61D, and is not arranged on the upper surface and the lower surface of the double glazing 21.
According to such a configuration, the number of the second holding metal fittings 62 can be reduced and the cost can be reduced as compared with the above-described embodiment. Further, since the lighting window 20 of the entrance door 1 has a large vertical dimension but a small horizontal dimension in the left and right directions, even if the second holding metal fittings are not provided on the upper surface and the lower surface of the double glazing 21. It is possible to prevent the double glazing 21 from falling over. Further, since the first facing surface portion 613 and the second holding metal fitting 62 are not provided on the upper surface and the lower surface of the double glazing 21, the heat insulating performance can be improved.

Further, the resin frame 40 may not have the heated foaming material 47 facing the indoor surface 21B of the flat glass 212, such as the upper frame 40E, the lower frame 40F, and the vertical frames 40G and 40H shown in FIGS. 9 and 10. .. Since a part of the heated foaming material 45 faces the gap between the indoor surface 21B of the plate glass 212 and the indoor side holding portion 42, when the heated foamed material 45 foams, the gap between the plate glass 212 and the indoor side holding portion 42 Can also be closed.
Further, as the internal bone 13, as shown in FIGS. 9 and 10, internal bones 13E, 13F, 13G, and 13H not provided with the bracket 150 may be used. In this case, the indoor surface material 15 may be attached to the inner bone 13E with an adhesive or the like.

The heat-foaming material 45 and the heat-foaming material 47 are not limited to those bonded to the resin frame 40 with double-sided tape or an adhesive as in the above embodiment, and are integrated with the resin frame 40 by simultaneous extrusion molding. It may be a plastic one.

In the resin frame 40 of the above embodiment, the first hollow portion 416 and the second hollow portion 417 are left hollow, but a non-combustible heat insulating material may be arranged in the hollow portions 416 and 417. As the non-combustible heat insulating material, the same non-combustible heat insulating material 160 used for the outer bone 12 and the inner bone 13 can be used.
Further, although the resin frame 40 is provided with two hollow portions 416 and 417, only one hollow portion may be provided, or three or more hollow portions may be provided. The size and number of the hollow portions may be designed according to the dimensions of the prospective surface portion 41 in the prospective direction.

In the resin frame 40 of the above embodiment, the heated foam material 481 was adhered to the steel plate 48, but it may be adhered to the finding surface portion 432, and between the finding surface portion 432 which is the indoor side finding surface portion and the steel plate 48. It suffices if it is arranged.

The configuration of the lighting window 20 of the door 10 is not limited to the above embodiment. For example, in the double glazing 21, the fireproof glass 211 is not limited to the wire-reinforced glass, and various fireproof glasses such as heat-resistant tempered glass can be used. Further, the number of glasses in the double glazing 21 is not limited to three, and may be two or four, and is set in consideration of fire resistance and heat insulation required in areas where the door 10 and the entrance door 1 are used. do it. Further, the double glazing 21 is not limited to the outdoor glass being the fireproof glass 211, and the indoor glass or the intermediate glass may be the fireproof glass in addition to the outdoor glass. That is, at least the outdoor glass of the double glazing 21 may be fireproof glass, and whether the other glass is fireproof glass or ordinary glass is considered in consideration of the fireproof performance required for the double glazing 21. And set it.
Further, the daylighting window 20 is not limited to the vertically long one, and may be a horizontally long daylighting window. In this case, since the double glazing 21 has a long side in the left-right direction and a short side in the top and bottom, the long side holding metal fitting of the first holding metal fitting 61 is composed of the upper surface holding metal fitting 61A and the lower surface holding metal fitting 61B, and is short. The side holding metal fittings are composed of side holding metal fittings 61C and 61D.
Further, the daylighting window 20 may be a square daylighting window having the same vertical and horizontal length dimensions. In this case, as the double glazing 21, glass having the same vertical dimension and horizontal dimension is used. In the case of a square lighting window, the length dimension of the upper surface holding metal fitting 61A and the lower surface holding metal fitting 61B (dimension in the X-axis direction) of the first holding metal fitting 61 and the length dimension of the side surface holding metal fittings 61C and 61D (in the Y-axis direction). Dimension) can be the same dimension. Further, the length dimensions of the upper frame 30A and the lower frame 30B and the length dimensions of the vertical frames 30C and 30D can be the same. In the event of a fire, the temperature of the upper side of the lighting window 20 tends to be higher than that of the lower side due to the influence of flame and smoke, and the side holding metal fittings 61C and 61D and the vertical frame 30C and 30D tend to have a temperature difference between the upper and lower sides, resulting in heat. Warpage is also likely to occur.
Therefore, in the case of the daylighting window 20 in the forward direction, it is preferable to provide at least the first facing surface portion 613 on the side surface holding metal fittings 61C and 61D. For the same reason, it is preferable that the second holding metal fitting 62 is also connected to at least the side surface holding metal fittings 61C and 61D and arranged along the side surface of the flat glass 212.
Even if the vertical dimension is slightly shorter than the left and right width dimensions, the side holding metal fittings 61C and 61D and the vertical frame 30C and 30D, which have shorter dimensions, may be more affected by heat warpage. Even in such a case, the first facing surface portion 613 may be provided on the side holding metal fittings 61C and 61D, or the second holding metal fitting 62 may be connected.

In the door 10, the configuration of the metal frame 30 and the resin frame 40 is not limited to the above embodiment. For example, the metal frame 30 may be provided only around the double glazing 21 as in the resin frame 40, and the shape thereof may be appropriately set according to the design of the entrance door 1.

In the present invention, the location where the heated foaming material is arranged is not limited to the example of the above embodiment, and may be set in consideration of flame and smoke at the time of fire, and the flow of gas generated in the heat insulating core material 16 and the like. Good.

The configurations of the resin aggregate 130, the metal aggregate 140, the bracket 150, and the non-combustible heat insulating material 160 in the outer bone 12 and the inner bone 13 are not limited to the above-described embodiment. For example, the resin aggregate 130 may use a resin aggregate having a substantially U-shaped cross section without providing the compartment piece portion 134.
Similarly, the shapes of the metal aggregate 140 and the bracket 150 are not limited to the above-described embodiment.

The fitting of the present invention can be used not only as an entrance door but also as various doors such as a self-propelled door. At this time, the present invention can be applied to a fitting provided with two doors, a main door and a child door, and further can be applied to a sliding door type fitting.
Further, the door frame may be a door frame composed of an aluminum outdoor member and a resin indoor member, or may be an aluminum door frame. Further, as the door frame, a door frame having an upper frame 3 and vertical frames 5 and 6 and not having a lower frame can also be used.
Further, each heated foaming material may be composed of heated foaming materials having different foaming ratios, or may be composed of materials having different foaming start temperatures.

1 ... Entrance door that is a fitting, 2 ... Door frame, 10 ... Door that is a door, 11 ... Door body, 11A ... Opening, 20 ... Light window, 21 ... Multi-layer glass, 211 ... Fire protection that is outdoor glass Glass, 212 ... Indoor glass plate glass, 213 ... Plate glass, 21A ... Outdoor surface, 21B ... Indoor surface, 21C ... Outer surface, 22 ... Frame, 30 ... Metal frame, 30A ... Upper frame, 30B ... Lower frame, 30C , 30D ... Vertical frame, 31A, 31B, 31C, 31D ... Expected surface portion which is a metal prospective surface portion, 32A, 32B, 32C, 32D ... Outdoor holding portion which is a metal holding portion, 40 ... Resin frame, 40A ... Upper frame, 40B ... Lower frame, 40C, 40D ... Vertical frame, 41 ... Expected surface part which is a resin prospective surface part, 42 ... Indoor side holding part which is a resin holding part, 45, 47 ... Heated foam material, 60 ... Glass Holding metal fittings, 61 ... 1st holding metal fittings, 61A, 61E ... Top surface holding metal fittings, 61B, 61F ... Bottom surface holding metal fittings, 61C, 61D ... Side holding metal fittings, 62 ... 2nd holding metal fittings, 611 ... 1st prospective surface part, 612 ... 1st finding surface portion, 613 ... 1st facing surface portion, 621 ... 2nd prospective surface portion, 622 ... 2nd finding surface portion, 623 ... Connecting piece portion, 481, 631, 632 ... Heated foam material.

Claims (8)

The main body of the door with an opening and
With the picture frame attached to the opening,
The double glazing held in the frame and arranged in the opening,
It is provided with a glass holding metal fitting provided between the frame and the double glazing.
The double glazing is composed of an outdoor glass and an indoor glass, and at least the outdoor glass is composed of a fireproof glass.
The picture frame is composed of a metal picture frame and a resin picture frame arranged on the indoor side of the metal picture frame.
The metal frame includes a metal holding portion arranged on the outdoor side of the outdoor glass and a metal prospective surface portion arranged along the outer peripheral surface of the outdoor glass.
The resin frame includes a resin holding portion arranged on the indoor side of the indoor glass and a resin prospective surface portion arranged along the outer peripheral surface of the indoor glass and connected to the metal prospective surface portion. ,
The glass holding metal fitting is
A first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and a first finding surface portion arranged between the outdoor surface of the outdoor glass and the metal holding portion. Equipped with a first holding bracket
The first holding metal fitting is provided with a heated foaming material that closes between the outdoor glass and the first holding metal fitting at the time of foaming.
The first holding metal fitting includes a side holding metal fitting arranged along the side surface of the outdoor glass.
With the upper surface holding metal fittings arranged along the upper surface of the outdoor glass,
It is provided with a bottom surface holding metal fitting arranged along the bottom surface of the outdoor glass.
At least the side surface holding metal fitting is configured to include, in addition to the first prospective surface portion and the first finding surface portion, a first facing surface portion that is continuously formed on the first prospective surface portion and faces the first finding surface portion. Being done
The door body is characterized in that the arrangement position of the outdoor glass in the prospective direction is between the first finding surface portion and the first facing surface portion. The main body of the door with an opening and
With the picture frame attached to the opening,
The double glazing held in the frame and arranged in the opening,
It is provided with a glass holding metal fitting provided between the frame and the double glazing.
The double glazing is composed of an outdoor glass and an indoor glass, and at least the outdoor glass is composed of a fireproof glass.
The picture frame is composed of a metal picture frame and a resin picture frame arranged on the indoor side of the metal picture frame.
The metal frame includes a metal holding portion arranged on the outdoor side of the outdoor glass and a metal prospective surface portion arranged along the outer peripheral surface of the outdoor glass.
The resin frame includes a resin holding portion arranged on the indoor side of the indoor glass and a resin prospective surface portion arranged along the outer peripheral surface of the indoor glass and connected to the metal prospective surface portion. ,
The glass holding metal fitting is
A first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and a first finding surface portion arranged between the outdoor surface of the outdoor glass and the metal holding portion. Equipped with a first holding bracket
The first holding metal fitting is provided with a heated foaming material that closes between the outdoor glass and the first holding metal fitting at the time of foaming.
The outdoor glass is formed in a flat rectangular shape with a pair of long sides and a pair of short sides.
The first holding metal fitting includes a pair of long side holding metal fittings arranged along the long side of the outdoor glass.
It is provided with a pair of short side holding metal fittings arranged along the short side of the outdoor glass.
At least the long side holding metal fitting includes, in addition to the first prospective surface portion and the first finding surface portion, a first facing surface portion that is continuously formed on the first prospective surface portion and faces the first finding surface portion. Is composed of
The door body is characterized in that the arrangement position of the outdoor glass in the prospective direction is between the first finding surface portion and the first facing surface portion. The main body of the door with an opening and
With the picture frame attached to the opening,
The double glazing held in the frame and arranged in the opening,
It is provided with a glass holding metal fitting provided between the frame and the double glazing.
The double glazing is composed of an outdoor glass and an indoor glass, and at least the outdoor glass is composed of a fireproof glass.
The picture frame is composed of a metal picture frame and a resin picture frame arranged on the indoor side of the metal picture frame.
The metal frame includes a metal holding portion arranged on the outdoor side of the outdoor glass and a metal prospective surface portion arranged along the outer peripheral surface of the outdoor glass.
The resin frame includes a resin holding portion arranged on the indoor side of the indoor glass and a resin prospective surface portion arranged along the outer peripheral surface of the indoor glass and connected to the metal prospective surface portion. ,
The glass holding metal fitting is
A first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and a first finding surface portion arranged between the outdoor surface of the outdoor glass and the metal holding portion. Equipped with a first holding bracket
The first holding metal fitting is provided with a heated foaming material that closes between the outdoor glass and the first holding metal fitting at the time of foaming.
The glass holding metal fitting includes a second holding metal fitting arranged along at least the left and right side surfaces of the indoor glass and connected to the first holding metal fitting.
The second holding metal fitting is
A second prospective surface portion arranged between the outer peripheral surface of the indoor glass and the resin prospective surface portion,
A door body including a second finding surface portion arranged between the indoor surface of the indoor glass and the resin holding portion. The main body of the door with an opening and
With the picture frame attached to the opening,
The double glazing held in the frame and arranged in the opening,
It is provided with a glass holding metal fitting provided between the frame and the double glazing.
The double glazing is composed of an outdoor glass and an indoor glass, and at least the outdoor glass is composed of a fireproof glass.
The picture frame is composed of a metal picture frame and a resin picture frame arranged on the indoor side of the metal picture frame.
The metal frame includes a metal holding portion arranged on the outdoor side of the outdoor glass and a metal prospective surface portion arranged along the outer peripheral surface of the outdoor glass.
The resin frame includes a resin holding portion arranged on the indoor side of the indoor glass and a resin prospective surface portion arranged along the outer peripheral surface of the indoor glass and connected to the metal prospective surface portion. ,
The glass holding metal fitting is
A first prospective surface portion arranged between the outer peripheral surface of the outdoor glass and the metal prospective surface portion, and a first finding surface portion arranged between the outdoor surface of the outdoor glass and the metal holding portion. Equipped with a first holding bracket
The first holding metal fitting is provided with a heated foaming material that closes between the outdoor glass and the first holding metal fitting at the time of foaming.
The indoor glass is formed in a planar rectangular shape with a pair of long sides and a pair of short sides.
The glass holding metal fitting includes a second holding metal fitting arranged along at least the long side of the indoor glass and connected to the first holding metal fitting.
The second holding metal fitting is
A second prospective surface portion arranged between the outer peripheral surface of the indoor glass and the resin prospective surface portion,
A door body including a second finding surface portion arranged between the indoor surface of the indoor glass and the resin holding portion. In the house according to claim 3 or 4 .
A door body characterized in that a heated foaming material facing the indoor surface of the indoor glass is attached to the second finding surface portion. In the door body according to any one of claims 1 to 5.
A heated foaming material, at least a part of which faces the outer peripheral surface of the outdoor glass, is attached to the first prospective surface portion of the first holding metal fitting.
A door body characterized in that at least a part of the first finding surface portion of the first holding metal fitting is attached with a heated foaming material facing the outdoor surface of the outdoor glass. In the house according to any one of claims 1 to 6 ,
A door body characterized in that a heated foaming material facing the outer peripheral surface of the indoor glass is attached to the resin prospective surface portion. The door body according to any one of claims 1 to 7.
A fitting having a fitting frame provided so that the door body can be opened and closed.

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