JP2014034862A - Door body and opening device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door body which comprises an intermediate window with excellent fire retardant property.SOLUTION: A door body which comprises an intermediate window 30 is disclosed. The door body comprises: mounting materials 25, 26 including openings 25a, 26a to which the intermediate window is mounted by a plurality of plate-like members arrayed at predetermined intervals in a front direction; and the intermediate window which is disposed in the openings. The intermediate window includes a panel 31 which is a plate-like member, and a window frame 33 which is disposed around an outer peripheral part of the panel. The window frame is disposed between the plurality of mounting materials and fixed to the mounting materials by a fixing member 34, and in a gap between the fixing member and the openings, a thermally foamable material 36 is disposed between the mounting materials and the panel.

Description

  The present invention relates to a door capable of closing and opening a building opening such as a house or a public facility, and an opening device provided with the door.

  Doors arranged at the entrance of a building have a basic function of communicating and closing the interior and exterior of the building. On the other hand, there is a strong demand for design in buildings, and various designs that are not just functional but have an elaborate design are adopted. The same applies to the doors, and many designs with rich design beyond the opening and closing of building openings have been proposed.

  From such a viewpoint, there is a technique for providing a middle window in a door, and examples include Patent Documents 1 and 2, for example.

JP 2008-297784 A JP 2004-52271 A

  Incidentally, fire performance is one of the functions of the building. By increasing the fire prevention performance, it is possible to prevent or delay the intrusion of flames, smoke, and flammable gas from the inside or outside of the building to the opposite side, thereby suppressing the spread of damage. . The improvement of the fire prevention performance is realized by the technology of various elements constituting the building. That is, the door body is also required to improve fire resistance.

  However, in the technique as described in Patent Document 1, since the middle window is fixed to the door body with an adhesive, when the door body is heated by a fire or the like, the heat-sensitive adhesive disappears, The body may be deformed and the inner window may be separated from the door, and in some cases, it may fall off. According to this, the outside and the outside communicate with each other at the dropped part, and flame, smoke, and combustible gas enter the other side.

  Moreover, according to the technique as described in Patent Document 2, since the vertical frame of the middle window is passed through the upper and lower frames and connected to the upper and lower frames of the door, it is possible to prevent the middle window from falling off. However, when the door is heated due to a fire or the like, it may be deformed so that the cover of the door is turned up. It was the cause of communication. In addition, in order to prevent the middle window from falling off, many members are required to connect the vertical frame of the middle window to the upper and lower frames of the door body. There is also a problem that cannot be raised.

  Then, this invention makes it a subject to provide the door body excellent in the fireproof nature which has a middle window. Moreover, the opening part apparatus which comprises this door is provided.

  The present invention will be described below. Here, for ease of understanding, the reference numerals of the drawings are given in parentheses, but the present invention is not limited thereto.

  The invention according to claim 1 is a door body (20) provided with an intermediate window (30), and is a plurality of plate-like members arranged with a predetermined interval in the expected direction. A cover member (25, 26) having openings (25a, 26a) to which a panel is attached, and a middle window disposed in the opening, the middle window being a plate-like member (31), and a panel A window frame (33) disposed around an outer periphery of the window frame, the window frame being disposed between the plurality of surface covering materials and fixed to the surface covering material by a fixing member (34). It is a door body in which a heating foam material (36) is disposed between the outer covering material and the panel between the opening and the panel.

  According to a second aspect of the present invention, in the door body of the first aspect, the window frame is formed in a U-shaped cross section with one side opened, and the surface facing the opening of the window frame is heated. A foam material is provided.

  The invention according to claim 3 is the door body according to claim 1 or 2, wherein the panel-side end of the cover material is provided with a seal member that comes into contact with the panel, and the heating foam is a seal member, a panel, And an area surrounded by the window frame, which is disposed to face the panel.

  The invention according to claim 4 is the frame (11) arranged along the edge of the building opening, and the opening formed by the frame is attached to the frame so that the opening can be opened and closed. An opening device (10) comprising the door (20) according to claim 1.

  ADVANTAGE OF THE INVENTION According to this invention, even when it receives heat, such as a fire, the inside window can be prevented from dropping off and the indoor / outdoor communication due to thermal deformation of the cover material can be prevented, and the door body has excellent fire resistance. Moreover, the opening part apparatus provided with this has the same effect.

FIG. 1A is a diagram illustrating one embodiment, and FIG. 1A is a front view on the outdoor side of the opening device 10, and FIG. 1B is a front view on the indoor side of the opening device 10. 2A is a diagram focusing on the middle window and its periphery in FIG. 1A, and FIG. 2B is a diagram focusing on the middle window and its periphery in FIG. 1B. It is sectional drawing along the III-III line of Fig.1 (a). FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. It is the figure which paid its attention to the middle window and its periphery among FIG. It is the figure which showed typically the example when a heating foam material expand | swells.

  The above operation and gain of the present invention will be clarified from embodiments for carrying out the invention described below. Hereinafter, the present invention will be described based on embodiments shown in the drawings. However, the present invention is not limited to these embodiments.

1A and 1B are diagrams for explaining one embodiment. FIG. 1A is a view of the opening device 10 viewed from the front of the outdoor side, and FIG. 1B is a view of the opening device 10 viewed from the front of the indoor side. It is.
FIG. 2 is a view focusing on the middle window 30 and its surroundings. FIG. 2A is an enlarged view of the middle window 30 and its surroundings in FIG. 1A, and FIG. It is the figure which expanded and showed the site | part of the middle window 30, and its periphery among 1 (b). In FIG. 2, a part of the members are seen through and are indicated by broken lines.
3 is a cross-sectional view taken along the line III-III in FIG. 1A, and FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. In FIG. 3, the upper side of the paper is the indoor side, and the lower side of the paper is the outdoor side. In FIG.
Here, for ease of viewing in each drawing, some members may be omitted, or members may be exaggerated and described. In addition, repeated symbols may be omitted.

As can be seen from FIG. 1, the opening device 10 includes a frame 11 and a door body 20. In the present embodiment, the door 20 is fixed to the rectangular frame of the frame 11 by a hinge 16 so as to be opened and closed.
Here, the frame 11 is arranged along the edge of the opening of the building, and the vertical frames 12 and 13 and the horizontal frames 14 and 15 are configured in a rectangular frame shape. Such a structure of the frame 11 and a structure for attaching the door 20 to the frame 11 with a hinge 16 are known.

  The door 20 is a plate-like member as a whole having a rectangular shape in front view and a predetermined thickness (expected dimension), and is provided with an intermediate window 30. 3 and 4, the door body 20 includes vertical frames 21 and 22, horizontal frames 23 and 24, cover materials 25 and 26, and a middle window 30. Each component will be described below.

The vertical frames 21 and 22 and the horizontal frames 23 and 24 are all long frame members. The vertical frames 21 and 22 and the horizontal frames 23 and 24 have a cross section shown in FIGS. 3 and 4 and are configured to extend in the longitudinal direction.
Such vertical frames 21 and 22 and horizontal frames 23 and 24 are framed in four directions.

  The front covering materials 25 and 26 are metal plate-like members that form the front and back of the door 20. The front covering materials 25 and 26 are formed in the rectangular frame-shaped outdoor side finding surface and the indoor side finding surface formed by the vertical frames 21 and 22 and the horizontal frames 23 and 24, respectively. 24 is placed so as to cover a rectangular frame. A cover material 25 is arranged on the outdoor-side finding surface of the rectangular frame, and a cover material 26 is arranged on the indoor-side finding surface of the rectangular frame. And the surface covering materials 25 and 26 are fixed to this rectangular frame by screws or adhesives. Therefore, the facing members 25 and 26 are arranged with a predetermined interval in the expected direction, and there is a gap between them.

  Moreover, the surface covering materials 25 and 26 have openings 25a and 26a in which the middle window 30 is disposed. The shapes of the openings 25 a and 26 a are appropriately set according to the middle window 30. As shown in FIGS. 3 and 4, the edge portions of the openings 25 a and 26 a are bent in the expected direction in the covering materials 25 and 26 to form bent portions 25 b and 26 b. The bent portion 25b and the bent portion 26b are bent in directions facing each other.

The middle window 30 is a window provided in the door body 20, and as shown in FIG. 1, the opening 25 a of the door body 20 formed by the openings 25 a and 26 a provided in the cover materials 25 and 26, 26a. FIG. 5 is an enlarged view of the middle window 30 and its periphery in FIG.
The middle window 30 includes a panel 31, a glazing channel 32, a window frame 33, a fixing member 34, a sealing member 35, a heating foam material 36, and decoration materials 37 and 38.

The panel 31 is a plate-like panel as a whole used for a normal window, and its form is not particularly limited. However, from the viewpoint of improving fire resistance, in the present embodiment, an example in which a multilayer glass panel is applied will be described. The multi-layer glass panel is a glass panel in which two or more plate glasses are arranged at a predetermined interval in the expected direction so that their surfaces face each other. A spacer is disposed on the outer peripheral portion among the plurality of plate glasses to maintain the interval between the plate glasses.
From the viewpoint of improving fire resistance, plate glass having excellent fire resistance may be used as at least one of the plurality of plate glasses. Examples thereof include a netted glass in which a linear metal is embedded and a heat-resistant tempered glass.

The glazing channel 32 is a long member having a cross section shown in FIGS. 3 to 5 and extending in a direction orthogonal to the cross section (back / front direction of the paper surface). As can be seen from FIGS. 3 to 5, the glazing channel 32 has a substantially U-shaped cross section, and includes a bottom piece and two standing pieces standing in the same direction from both ends of the bottom piece. Accordingly, a gap is formed between the standing pieces, and an opening leading to the inside having a U-shaped cross section is formed on the side where the bottom piece is not disposed. And it arrange | positions so that the edge part of the panel 31 may be inserted in the glazing channel 32 between the standing-up pieces from the said opening part. As a result, the four rounds of the panel 31 are surrounded by the glazing channel 32.
In this embodiment, a known glazing channel can be used.
As the material of the glazing channel 32, a known material for the glazing channel can be used, and examples thereof include vinyl chloride and silicon materials. In addition, it is possible to combine hard and soft materials for these materials, or to use only soft materials.

The window frame 33 is a long member having a cross section shown in FIGS. 3 to 5 and extending in a direction orthogonal to the cross section (back / front direction of the paper surface). As can be seen from FIGS. 3 to 5, the window frame 33 has a substantially U-shaped cross section, and includes a bottom piece and two standing pieces standing in the same direction from both ends of the bottom piece. Furthermore, the tips of the standing pieces are bent in the direction facing each other. Accordingly, a gap is formed between the facing tips, and an opening leading to the inside having a U-shaped cross section is formed on the side where the bottom piece is not disposed. The glazing channel 32 with the panel 31 mounted between the standing pieces is inserted into the window frame 33 from the opening. Accordingly, the four circumferences of the panel 31 and the glazing channel 32 are surrounded by the window frame 33, and the standing pieces of the glazing channel 32 are disposed between the surface of the panel 31 and the window frame 33, thereby being watertight and airtight. Is planned.
The material of the window frame 33 is not particularly limited as long as it has a strength that exhibits a function as a window frame. Examples of this include metals, and iron-based metals are preferable from the viewpoints of fire resistance and fire resistance.

  The panel 31, the glazing channel 32, and the window frame 33 combined as described above are disposed in the opening portion of the cover materials 25 and 26 as can be seen from FIGS. 1 to 5. At this time, the entire window frame 33, the entire glazing channel 32, and the end of the panel are disposed between the two facing members 25 and 26.

The fixing member 34 is a member that connects and fixes the window frame 33 and the covering materials 25 and 26 arranged in this way. More details are as follows. When the panel 31, the glazing channel 32, and the window frame 33 combined as described above are arranged in the opening, one of the two standing pieces of the window frame 33 is the inner surface of the cover member 25. The other standing piece is arranged on the inner surface side of the cover material 26. A fixing member 34 is disposed so as to penetrate through the covering members 25 and 26 and the standing piece of the window frame 33, and the covering members 25 and 26 and the window frame 33 are fixed.
As can be seen from FIG. 2, a plurality of fixing members 34 are provided at predetermined intervals along the longitudinal direction of the window frame 33.
The fixing member 34 is a member that mechanically connects the window frame 33 and the covering materials 25 and 26 as described above. Although the aspect is not specifically limited, For example, a screw and a rivet can be mentioned.

As can be seen from FIGS. 3 to 5, the seal member 35 is a member that seals the edges of the openings 25 a and 26 a of the cover members 25 and 26 and the surface of the panel 31 to achieve watertight and airtightness. Specifically, the bent portions 25 b and 26 b of the surface covering materials 25 and 26 are inserted into one end side of the seal member 35, and the other end side of the seal member 35 is disposed so as to be in close contact with the surface of the panel 31.
As the material of the seal member 35, a normal seal member used in the opening device can be applied.

The heated foam material 36 is a member made of a material that is flame retardant and expands (foams) and increases in volume when heated to a predetermined temperature.
In the present invention, as shown in FIGS. 3 to 5, the heating foam material 36 is formed between the fixing member 34 and the edges of the openings 25 a and 26 a in the finding direction, and the covering members 25 and 26 and the panel in the looking direction. 31 is disposed so as to face the panel 31. In the present embodiment, since the seal member 35 is provided, the heating foam material 36 is disposed in a region surrounded by the seal member 35, the panel 31, and the window frame 33.
Although the specific expansion start temperature is not particularly limited, it is preferably about 150 ° C. in accordance with the building standard law and the heating curve of the same enforcement order. Further, the expansion ratio is not particularly limited, but is preferably 10 to 40 times.
A specific material for the heat-foaming material is not particularly limited as long as it has such performance, and a known material can be used. This includes, for example, a material containing a thermal foam such as graphite or carbon fiber, in which case an epoxy resin, polyvinyl chloride resin, butyl rubber or the like is used as a base material.
The heating foam material 36 preferably has a cross section shown in FIGS. 3 and 4 and is disposed so as to extend in the longitudinal direction thereof. That is, it is preferable to be provided over the four circumferences of the panel 31.
In addition to the above-mentioned site, the heating foam material may be optionally provided at a suitable site. In the present embodiment, the heating foam material 36 is also provided on the surface of the bottom piece of the window frame 33 facing the opening.

The decoration materials 37 and 38 are members that conceal the fixing member 34 from the appearance and improve the design of the door body. The decoration material 37 is arranged on the cover material 25, and the decoration material 38 is the cover material 26. It is the decoration material arranged in.
As can be seen from FIG. 1 to FIG. 5, the decoration material 37 is held by being superposed on the cover material 25 so as to hide the fixing member 34 from the appearance.
As can be seen from FIGS. 1 to 5, the decorative material 38 is held by being superimposed on the decorative material 26 so as to conceal the fixing member 34 from the appearance. In the present embodiment, the decorative material 38 is further extended in the vertical direction from the viewpoint of design.
Since the decoration materials 37 and 38 only need to function as a decoration material, the material is not particularly limited, and a material that can achieve a desired texture can be used as appropriate.

With the configuration as described above, the door body 20 having excellent fire resistance and the opening device 10 including the door body 20 are obtained.
That is, the middle window 30 is firmly connected to the cover members 25 and 26 by the fixing member 34. Thereby, even if the door 20 receives heat at the time of a fire or the like, the middle window 30 is prevented from falling off from the door 20, and indoor and outdoor communication due to the drop off can be prevented. It is possible to shut off the flow of smoke, and flammable gases for a long time. In addition, the fixing member 34 can also suppress deformation of the covering members 25 and 26 due to heat at the connection portion between the middle window 30 and the covering members 25 and 26, and can also prevent indoor and outdoor communication.

  On the other hand, the heated foam material 36 expands due to heat from a fire or the like. FIG. 6 schematically shows a scene in which a part of the heating foam material 36 is expanded. FIG. 6 is an enlarged view of a part of FIG. 5 and shows a scene in which a part of the heating foam material 36 is expanded. In this way, for example, when the door 20 receives heat from the indoor side due to a fire or the like, a part (for example, in FIG. 5) between the covering members 25 and 26, particularly between the fixing member 34 and the edges of the openings 25a and 26a. At the part indicated by Va), the cover material is greatly deformed, turned as shown by the arrow Vb, and may be deformed as shown in FIG. Even in such a case, the heating disposed between the covering members 25 and 26 and the panel 31 between the fixing member 34 (further, the window frame 33 in the present embodiment) and the edges of the openings 25a and 26a. The foam material 36 expands as shown in FIG. 6 and blocks indoor / outdoor distribution. This also makes it possible to interrupt the flow of flames, smoke and combustible gases for a long time.

  Furthermore, the heating foam 36 attached to the bottom piece of the window frame 33 also expands, fills the inside of the window frame 33, and expands between the glass sheets of the multilayer glass panel even when the spacer of the multilayer glass panel is melted by heat. Heated foam enters. Thereby, even when the spacer disappears, the double-layer glass is held by the expanded heated foam material, and is prevented from being decomposed and collapsed.

  Further, since both the fixing member 34 and the heating foam material 36 are provided, it is possible to prevent a large indoor and outdoor circulation with the fixing member 34, and a small circulation with the heating foam material 36, and a more reliable fire prevention. Is possible. According to this, since it is not necessary for the heated foam material to close the large flow passage, the flow passage can be closed efficiently and in a small amount.

  From the viewpoint of the design of the door, such fireproof performance is improved for each middle window 30. For example, even if a plurality of middle windows 30 are provided in a complicated arrangement, the members are complicated and additional This eliminates the need for special parts required for the process and simplifies the process, resulting in a high degree of design freedom.

DESCRIPTION OF SYMBOLS 10 Opening device 11 Frame 12, 13 Vertical frame 14, 15 Horizontal frame 20 Door body 21, 22 Vertical frame 23, 24 Horizontal frame 25, 26 Outer material 30 Middle window 31 Panel 32 Glazing channel 33 Window frame 34 Fixing member 35 Seal Member 36 Heating foam 37, 38 Decoration material

Claims (4)

A door body with a middle window,
A plurality of plate-like members arranged with a predetermined interval in the expected direction, and a cover material having an opening to which the middle window is attached;
The middle window disposed in the opening,
The middle window is
A panel which is a plate-shaped member;
A window frame disposed around the outer periphery of the panel,
The window frame is disposed between the plurality of facing materials and fixed to the facing material by a fixing member,
A door body in which a heating foam material is disposed between the cover member and the panel between the fixing member and the opening.   The door according to claim 1, wherein the window frame is formed in a U-shaped cross section with one side opened, and the heating foam material is provided on a surface facing the opening of the window frame.   A seal member that contacts the panel is provided at one end of the cover material on the panel side, and the heating foam is a region surrounded by the seal member, the panel, and the window frame, and faces the panel. The door of Claim 1 or 2 arrange | positioned. A frame arranged along the edge of the building opening;
An opening device provided with the door of any one of Claims 1 thru | or 3 attached to the said frame so that the opening part formed with this frame can be opened and closed.

Images