JP7281338B2 - Structure around door opening - Google Patents

Description

The present invention relates to a structure around an opening of a door.

Conventionally, there is known a door body comprising an opening, a glass housed in the opening, and a glass pressing member arranged along the four peripheral edges of the opening and pressing a face of the edge of the glass on one side in the viewing direction. (See Patent Document 1, for example). The glass pressing member described in Patent Document 1 is made of resin.

JP 2015-86658 A

When a fire breaks out in a door body that has a glass-holding part made of resin, the resin at the corners of the glass-holding member melts, and the door body penetrates in the projected direction, causing flames and high-temperature air to flow from the indoor side to the outdoor side. There was a danger that it would pass through. Therefore, it is desired to improve the fireproof performance in the structure around the opening of the door.

SUMMARY OF THE INVENTION An object of the present invention is to provide a structure around an opening of a door that can improve the fireproof performance at the corner of the glass.

The present invention includes an opening (for example, an opening 37 described later), a glass (for example, a glass 38 described later) to be housed in the opening, and an end portion of the glass arranged along the four peripheral edges of the opening. A structure around the opening of the door body provided with a glass pressing member (for example, a glass pressing member 4 described later) that presses a surface on one side of the viewing direction (for example, an end portion 381 described later), wherein the glass The pressing members include horizontal pressing portions (for example, upper pressing portion 41 and lower pressing portion 42 described later), vertical pressing portions (for example, vertical pressing portion 43 described later), and corners of the glass (for example, corners 382 described later). ) and a resin-made glass pressing corner portion (for example, a glass pressing corner portion 44 described later), and the prospective direction of the glass pressing corner portion so as to cover at least a part of the glass pressing corner portion The present invention relates to a structure around an opening of a door body (for example, a slide door 3 to be described later) further including a metal plate member (for example, a corner plate member 5 to be described later) arranged in the frame.

Further, it is preferable that the plate members are provided at least at two lower corners of the four corners of the glass.

Further, the plate member has a projecting portion formed along the outer edge of the glass holding corner portion and projecting toward the glass side in the viewing direction (for example, a bent piece 54, a bottom bent piece 541, and a side bent piece 542, which will be described later). It is preferred to have

Moreover, it is preferable that the plate member is fixed to the horizontal pressing portion and the vertical pressing portion.

Advantageous Effects of Invention According to the present invention, it is possible to provide a structure around an opening of a door that can improve the fireproof performance at the corner of the glass.

It is the perspective view seen from the front side of fittings concerning one embodiment of the present invention. It is the perspective view which looked the fittings which concern on one Embodiment of this invention from the back side. FIG. 4 is an exploded perspective view showing the structure around the opening of the sliding door; FIG. 3 is a cross-sectional view taken along line AA of FIG. 2; FIG. 3 is a cross-sectional view taken along line BB of FIG. 2; FIG. 4 is a perspective view showing one corner of the glass; Figure 7 is an exploded perspective view of the structure around the opening of the sliding door at one corner of the glass shown in Figure 6; It is a perspective view which shows the case where a corner plate member is attached. FIG. 7 is a cross-sectional view taken along line CC of FIG. 6; FIG. 7 is a cross-sectional view taken along line DD of FIG. 6;

Preferred embodiments of the present invention are described below with reference to the drawings. FIG. 1 is a perspective view of a fitting 1 according to an embodiment of the present invention as viewed from the front side. FIG. 2 is a perspective view of the fitting 1 according to one embodiment of the present invention, viewed from the rear side. FIG. 3 is an exploded perspective view showing the structure around the opening of the slide door 3. As shown in FIG.

As shown in FIGS. 1 and 2, the fitting 1 of the present embodiment includes a frame body 2 fixed to a building (not shown), a sliding door 3 (door body) housed inside the frame body 2, Prepare.

The frame 2 is attached to a predetermined location of a building (not shown). The frame body 2 is configured by assembling an upper frame 21, a lower frame 22 and a vertical frame 23 in a U-shape with one side open in the left-right direction.
The upper frame 21 is arranged above the frame 2 and extends in the left-right direction (horizontal direction). The upper frame 21 is formed with an open front surface. An upper frame front cover 211 is arranged on the front surface of the upper frame 21 .
The lower frame 22 is arranged on the lower side of the frame 2 and extends in the left-right direction (horizontal direction) parallel to the upper frame 21 .
The vertical frame 23 connects the other end of the upper frame 21 in the left-right direction and the other end of the lower frame 22 in the left-right direction and extends in the up-down direction (longitudinal direction).

The sliding door 3 is arranged inside the frame 2, as shown in FIGS. In this embodiment, the sliding door 3 is configured to be slidable in the left-right direction within the frame 2, and is a hinged door such as a single-slung hanging entrance door. The upper end of the slide door 3 is hung via a plurality of hanging wheels (not shown) arranged inside the upper frame 21 .

The sliding door 3, as shown in FIG. , an opening 37 , a glass 38 , and a glass pressing member 4 .

As shown in FIG. 3, the core frame 31 constitutes the core of the slide door 3 and is arranged to surround the slide door 3 on all four sides. The core material frame 31 has an upper core material 311, a lower core material 312, and a pair of vertical core materials 313. The upper core material 311, the lower core material 312, and the pair of vertical core materials 313 form a rectangular shape. framed.

The indoor side member 32 is arranged on the indoor side surface of the sliding door 3, as shown in FIG.
The indoor-side handle 33 is disposed on the indoor-side surface of the slide door 3 at a substantially central portion in the height direction on the other side of the slide door 3 in the left-right direction. The slide door 3 can be moved to the open position or the closed position by the user gripping the indoor side handle 33 and moving the slide door 3 in the left-right direction.

The outdoor side member 34 is arranged on the surface of the sliding door 3 on the outdoor side, as shown in FIG.
A plurality of outdoor decorative members 35 are arranged on the surface of the outdoor side member 34 . The plurality of outdoor decorative members 35 are formed to have width in the horizontal direction and extend in the vertical direction, and are arranged in the horizontal direction avoiding the portion where the glass 38 is arranged. The plurality of outdoor decorative members 35 are arranged in the horizontal direction and are formed so as to bulge out smoothly from both ends of the slide door 3 in the horizontal direction toward the center as a whole.

The outdoor side handle 36 is arranged on the outdoor side surface of the sliding door 3 at a substantially central portion in the height direction on the other side of the sliding door 3 in the left-right direction. The slide door 3 can be moved to the open position or the closed position by the user gripping the outdoor handle 36 and moving the slide door 3 in the left-right direction.

As shown in FIG. 3, the opening 37 is formed inside the core frame 31 and closer to the open end side of the frame 2 of the fitting 1 than the center of the slide door 3 in the viewing direction (horizontal direction). be done. In this embodiment, the opening 37 extends vertically in the vertical direction. A glass 38 is housed in the opening 37 . The glass 38 housed in the opening 37 is fixed by the glass pressing member 4 in the structure around the opening of the slide door 3 .

Next, the structure around the opening of the slide door 3 will be described. 4 is a cross-sectional view taken along line AA of FIG. 2. FIG. 5 is a cross-sectional view taken along line BB of FIG. 2. FIG.
The structure around the opening of the sliding door 3 is, as shown in FIG. 4 corner plate members 5 (plate members); four corner plate covers 6;

As shown in FIG. 3 , the glass pressing member 4 is arranged along the four peripheral edges of the opening 37 and presses the indoor side (one side) surface of the edge 381 of the glass 38 in the viewing direction. As shown in FIG. 3, the glass pressing member 4 includes an upper pressing portion 41 (horizontal pressing portion), a lower pressing portion 42 (horizontal pressing portion), a pair of vertical pressing portions 43, and four glass pressing corner portions 44. (Corner portion) and. The glass pressing member 4 is configured by combining an upper pressing portion 41 , a lower pressing portion 42 and a pair of vertical pressing portions 43 into a rectangular shape.

As shown in FIGS. 4 and 5, the upper pressing portion 41, the lower pressing portion 42, and the pair of vertical pressing portions 43 are supported by a plurality of pressing pieces 401 on the indoor side (one side) of the glass 38 in the viewing direction. , hold the edge 381 of the glass 38 in the viewing direction. For example, when the upper pressing portion 41, the lower pressing portion 42, and the pair of vertical pressing portions 43 are provided with fireproof performance, the outside is formed of a resin material, and the inside of the resin material is a metal core material ( (not shown) are arranged and formed by, for example, insert molding. Note that the upper pressing portion 41, the lower pressing portion 42, and the pair of vertical pressing portions 43 may be configured without arranging the metal core member in a part of the interior of the resin material.

The upper pressing portion 41 and the vertical pressing portion 43 are connected by the glass pressing corner portion 44 at the corner 382 of the glass 38 as shown in FIG. Further, the lower pressing portion 42 and the vertical pressing portion 43 are connected by the glass pressing corner portion 44 at the corner 382 of the glass 38 . The glass pressing corner portion 44 is made of a resin member and arranged at the corner 382 of the glass 38 .

Each of the four corner plate members 5 is made of a metal member, and is attached to the glass pressing corner portion 44 of the glass pressing member 4 so as to cover at least a part of the glass pressing corner portion 44 at the corner 382 of the glass 38. It is placed on the indoor side of the prospective direction. The corner plate member 5 is screw-fixed to the glass pressing member 4 .

The four corner plate covers 6 are arranged on the indoor side of the corner plate member 5 in the viewing direction at the corners 382 of the glass 38 so as to cover the corner plate member 5 . The corner plate cover 6 is formed in a substantially L shape, and includes a horizontal portion 61 , a vertical portion 62 , and an inclined wall 63 arranged at a connecting portion between the horizontal portion 61 and the vertical portion 62 .

As shown in FIG. 3, the cover member 7 is arranged in a rectangular shape so as to cover the glass pressing member 4, the four corner plate members 5, and the four corner plate covers 6 on the indoor side. The cover member 7 has an upper cover 71 , a lower cover 72 and a pair of vertical covers 73 . The upper cover 71, the lower cover 72 and the pair of vertical covers 73 are arranged along the rectangle in which the glass pressing member 4 is framed.

Here, the structure around the opening in this embodiment will be described in detail. 6 is a perspective view showing one corner 382a of the glass 38. FIG. FIG. 7 is an exploded perspective view of the structure around the opening of the sliding door 3 at one corner 382a of the glass 38 shown in FIG. FIG. 8 is a perspective view showing a case where the corner plate member 5 is attached. 9 is a cross-sectional view taken along line CC of FIG. 6. FIG. FIG. 10 is a cross-sectional view taken along line DD of FIG.

In this embodiment, of the four corners 382 of the glass 38, as shown in FIG. 6, the structure around the opening of one lower corner 382a on the left side of the glass 38 (see FIG. 2) will be described in detail. do. The structures around the openings of the other three corners 382 are similar to the structure around the opening of the one corner 382a except that the directions are different or the shapes are symmetrical. Therefore, the structure around the opening of one corner 382a will be described as a representative, and the explanation of the structures around the openings of the other three corners 382 will be omitted. The description of the structure around the openings of the other three corners 382 can use the description of the structure around the openings of the one corner 382a.

As shown in FIGS. 7 and 8, in the structure around the opening of one lower corner 382a on the left side of the glass 38, the glass pressing member 4 consists of the lower pressing portion 42 and the vertical pressing portion 43. They are connected by a corner portion 44 . The glass holding corner portion 44 is arranged at the corner 382 of the glass 38 .

The glass pressing corner portion 44 has a corner portion main body 441 and two projecting fitting portions 442, as shown in FIG. The two protruding fitting portions 442 are arranged 90° apart. The two projecting fitting portions 442 have one projecting fitting portion 442a projecting to one side in the horizontal direction (left side in FIG. 7) and the other projecting fitting portion 442b projecting upward in the vertical direction. . The two projecting fitting portions 442 are configured to be elastically deformable, and can be fitted to the lower pressing portion 42 or the vertical pressing portion 43 by inserting from the end face of the lower pressing portion 42 or the vertical pressing portion 43. .

In this embodiment, as shown in FIG. 8, the corner portion 44 of the glass pressing portion 44 is such that the corner 382 of the glass 38 has an inner horn-like projecting portion 443 when the lower pressing portion 42 and the vertical pressing portion 43 are connected to each other. are placed facing the corners of the As a result, the glass retainer corner portion 44 prevents the glass 38 from falling toward the indoor side at the corner 382 of the glass 38 . In the present embodiment, the glass pressing corner portion 44 is arranged in a state of facing the corner 382 of the glass 38, but is not limited to this, and the glass pressing corner portion 44 does not face the corner 382 of the glass 38. It may be placed in any state.

As shown in FIG. 8 , the corner plate member 5 is arranged on the indoor side of the glass pressing corner portion 44 of the glass pressing member 4 so as to cover the glass pressing corner portion 44 of the glass pressing member 4 . The corner plate member 5 is formed of a metal plate material. The material of the corner plate member 5 is, for example, the same material as the material of the indoor side member 32 or the outdoor side member 34 . In the present embodiment, the corner plate member 5 is made of a metal material produced when the opening 37 is cut from the indoor side member 32 or the outdoor side member 34 when the sliding door 3 is provided with the opening 37, for example. It is made using

The corner plate member 5 has a planar L-shaped plate body 51, a positioning piece 52, two extending fixed pieces 53, and two bent pieces 54 (projections).

The positioning piece 52 is formed by protruding from one portion of the L-shaped inner side of the plate body 51 to the outside in the viewing direction and bending inward in the viewing direction at the viewing direction end. The positioning piece 52 can be arranged in a concave portion 443a formed in the inner angular projecting portion 443 of the glass holding corner portion 44. By arranging the positioning piece 52 in the concave portion 443a, the corner plate member 5 can be It is positioned with respect to the glass pressing corner portion 44 of the pressing member 4 .

One of the two extending fixing pieces 53, the extending fixing piece 53a, is formed on the same plane as the plate body 51, and is located at one end (the left side in FIGS. 7 and 8) of the plate body 51 in the left-right direction. , extending to one side in the left-right direction (left front side in FIGS. 7 and 8) with a predetermined width. The other extending fixing piece 53b of the two extending fixing pieces 53 is formed on the same plane as the plate main body 51 and extends upward from the upper end portion of the plate main body 51 with a predetermined width.

The two extending fixing pieces 53 are fixed to the lower pressing portion 42 and the vertical pressing portion 43 by screws 55, respectively, as shown in FIG. Thereby, the corner plate member 5 is fixed to the lower pressing portion 42 and the vertical pressing portion 43 . In this embodiment, the screw 55 is attached to the lower pressing portion 42 together with the projecting fitting portion 442 of the pressing corner portion 44 inserted inside the lower pressing portion 42 as shown in FIG. in the thickness direction, the extending fixing piece 53 and the lower pressing portion 42 are fixed. Further, in the vertical pressing portion 43, the screw 55 is attached to the vertical pressing portion 43 in the thickness direction together with the projecting fitting portion 442 of the pressing corner portion 44 inserted inside the vertical pressing portion 43, as shown in FIG. The extended fixing piece 53 and the vertical pressing portion 43 are fixed in a state of penetrating through.

As shown in FIGS. 8 to 10, the two bent pieces 54 are formed along the outer edge of the glass holding corner portion 44 and protrude toward the glass 38 in the view direction. The two bent pieces 54 are a lower bent piece 541 extending laterally at the lower edge of the corner plate member 5 on the lower end side, and a laterally extending side edge on the outer end side of the corner plate member 5 in the vertical direction. and a side bent piece 542 .

As a result, even if the resin-made glass pressing corner portion 44 melts due to a fire, the bottom bent piece 541 can support the resin material of the glass pressing corner portion 44 below, so that the resin material of the glass pressing corner portion 44 can be flow downward and fall off. In addition, the side bent piece 542 can reduce the resin material of the glass pressing corner portion 44 supported by the lower bent piece 541 from flowing sideways and falling off.

The corner plate cover 6 is arranged on the indoor side of the corner plate member 5 in the viewing direction at the corner 382 of the glass 38, as shown in FIG.

The cover member 7 is arranged so as to cover the glass pressing member 4, the corner plate member 5, and the corner plate cover 6 on the indoor side, as shown in FIG. The lower cover 72 of the cover member 7 is arranged on the lateral portion 61 side of the corner plate cover 6 with respect to the inclined wall 63 of the corner plate cover 6 . The vertical cover 73 of the cover member 7 is arranged on the vertical portion 62 side of the corner plate cover 6 with respect to the inclined wall 63 of the corner plate cover 6 .

As described above, according to this embodiment, the following effects are achieved.
The structure around the opening of the sliding door 3 of this embodiment includes the opening 37, the glass 38 that is housed in the opening 37, and the perspective direction of the edge 381 of the glass 38 that is arranged along the four peripheral edges of the opening 37. The glass pressing member 4 presses the indoor side (one side) surface of the glass pressing member 4. The glass pressing member 4 includes a horizontal pressing portion (upper pressing portion 41, a lower pressing portion 42), a vertical pressing portion 43, and a glass and a resin-made glass holding corner portion 44 arranged at a corner 382 of 38, and a metal glass holding corner portion 44 arranged in the prospective direction of the glass holding corner portion 44 so as to cover at least a part of the glass holding corner portion 44. A corner plate member 5 is further provided. Therefore, since the corner plate member 5 is arranged so as to cover at least a part of the corner portion 44 for holding the glass made of resin, the slide door 3 is prevented from penetrating in the expected direction at the corner 382 of the glass 38 when a fire occurs. can be reduced. Therefore, fireproof performance can be improved.

In addition, in the present embodiment, the corner plate member 5 includes bent pieces 54 (bottom bent piece 541, side bent piece 542) formed along the outer edge of the glass holding corner portion 44 and protruding toward the glass 38 side in the view direction. have Therefore, even if the glass pressing corner portion 44 made of resin melts due to fire, the drop-off of the resin material of the glass pressing corner portion 44 can be reduced.

Further, in the present embodiment, the corner plate member 5 is fixed to the horizontal pressing portions (the upper pressing portion 41 and the lower pressing portion 42 ) and the vertical pressing portion 43 . As a result, the corner plate member 5 can be reliably fixed to the glass pressing member 4 and the corner plate member 5 can be prevented from coming off the glass pressing member 4 . Therefore, fireproof performance can be improved.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments and can be modified as appropriate.

For example, in the above embodiment, the corner plate members 5 are arranged at the four corners 382 of the glass 38, but the present invention is not limited to this. The corner plate member 5 may be provided on at least one corner 382 of the glass 38 . Also, from the viewpoint of fire prevention, the corner plate members 5 are preferably provided at least at the two lower corners among the four corners 382 of the glass 38 in order to suppress the spread of flames from below.

Moreover, although the structure around the opening of the slide door 3 has been described in the above embodiment, the structure is not limited to that applied to the slide door 3 . As long as it is a door body, it is not limited to the slide door 3, and for example, a door that can be opened and closed via a hinge may be used.

3 Sliding door (door body)
4 glass pressing member 5 corner plate member (plate member)
37 opening 38 glass 41 upper holding part (horizontal holding part)
42 lower holding part (horizontal holding part)
43 vertical holding part 44 glass holding corner part 54 bent piece (protruding part)
381 end 382 corner 541 bottom bent piece (projection)
542 side end bending piece (projection)

Claims (3)

An opening in a door body comprising an opening, glass to be housed in the opening, and a glass pressing member arranged along four peripheral edges of the opening and pressing a face of the edge of the glass on one side in a viewing direction. The structure around the part,
The glass pressing member has a horizontal pressing portion, a vertical pressing portion, and a resin-made glass pressing corner portion arranged at a corner of the glass,
Further comprising a metal plate member arranged in the prospective direction of the glass pressing corner so as to cover at least a part of the glass pressing corner ,
The plate member has a structure around the opening of the door body having a projecting portion formed along the outer edge of the glass holding corner portion and projecting toward the glass side in the viewing direction. An opening in a door body comprising an opening, glass to be housed in the opening, and a glass pressing member arranged along four peripheral edges of the opening and pressing a face of the edge of the glass on one side in a viewing direction. The structure around the part,
The glass pressing member has a horizontal pressing portion, a vertical pressing portion, and a resin-made glass pressing corner portion arranged at a corner of the glass,
Further comprising a metal plate member arranged in the prospective direction of the glass pressing corner so as to cover at least a part of the glass pressing corner ,
The plate member has a structure around the opening of the door fixed to the horizontal pressing portion and the vertical pressing portion. 3. The structure around the opening of the door according to claim 1 , wherein the plate member is provided at least at two lower corners of the four corners of the glass.

Images