JP7316881B2 - Shoji and fittings - Google Patents

Description

The present invention relates to shoji and fittings.

2. Description of the Related Art Conventionally, a frame having a hybrid structure of a metal material and a resin material is known as a frame constituting a shoji of fittings (see, for example, Patent Document 1). A shoji using a stile having a hybrid structure of a metal material and a resin material is excellent in heat insulation and anti-condensation properties.

JP 2016-118042 A

The inventor of the present invention has studied how to further improve the heat insulating properties and anti-condensation properties of the shoji in which the stile is composed of a metal material and a resin material as described above. That is, an object of the present disclosure is to provide a shoji that has a simple structure and that can further improve heat insulation and condensation resistance, and a fitting that includes the shoji.

The shoji of the present disclosure includes a frame composed of an upper frame, a lower frame, and left and right vertical frames, and a face material fitted inside the frame, wherein the vertical frame includes a metal frame portion and a resin a frame portion, wherein the metal frame portion has at least an inner metal fitting portion, an outer metal fitting portion, and an interior metal fitting portion connecting the inner metal fitting portion and the outer metal fitting portion; The interior metal fitting portion is disposed within the expected width of the face member, and the resin frame portion includes a first hollow portion covering the interior metal fitting portion of the metal frame portion, and the first hollow portion. a second hollow portion adjacent to the interior side of the part; The second hollow portion of the resin frame portion is aligned with the inner side surface of the frame portion in the facing direction, and the second hollow portion of the resin frame portion protrudes toward the interior side of the interior side surface of the face member. It extends inward from the first hollow portion so as to overlap with the first hollow portion.

It is the front view which looked at the fittings from the indoor side. It is a cross-sectional view of fittings. It is a vertical cross-sectional view of fittings. It is a cross-sectional view which expands and shows the inner joint frame of a room-side shoji.

Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings.

First, the directions indicated by arrows in each figure are defined. The Z1-Z2 direction indicates the direction along the direction of gravity. The Z1 direction is upward and the Z2 direction is downward. The X1-X2 direction indicates the horizontal direction. The X1 direction is to the right and the X2 direction is to the left. The Y1-Y2 direction indicates the indoor-outdoor direction with the fitting 1 as a boundary. The Y1 direction is the outdoor direction, and the Y2 direction is the indoor direction.

In the following specification, the term "viewing surface" refers to each of the surfaces of fittings 1 facing the exterior and the interior, and the term "viewing part" refers to a portion that constitutes the viewing surface. A "projected surface" refers to a surface of the fitting 1 extending in the indoor-outdoor direction, and a "projected portion" refers to a portion forming the projected surface. “Inside” refers to the side facing the center of the fitting 1 , and “outside” refers to the side facing outward from the center of the fitting 1 . The “inner side” is also the inner peripheral side of the frame 2 and the frame 30 of the fitting 1 , and the “outer side” is also the outer peripheral side of the frame 2 and the frame 30 of the fitting 1 .

A fitting 1 of the present embodiment includes a frame 2 and a shoji 3 made up of two sheets, an outdoor shoji 3A and an indoor shoji 3B, which are housed inside the frame 2. As shown in FIG. The frame body 2 is formed into a rectangular frame by an upper frame 21, a lower frame 22, and vertical frames 23 and 24, which are each extruded, and is attached to an opening of a building frame (not shown).

The shoji 3 of this embodiment constitutes a sliding door by being housed inside the frame 2 so as to be slidable in the left-right direction. Specifically, the outdoor shoji 3A and the indoor shoji 3B each have an area approximately half of the inner opening of the frame 2 . The outdoor shoji 3A is engaged with a rail 210A provided on the upper frame 21 and a rail 220A provided on the lower frame 22, respectively. The indoor-side shoji 3B is engaged with a rail 210B provided on the upper frame 21 and a rail 220B provided on the lower frame 22, respectively. The outdoor shoji 3A and the indoor shoji 3B have door rollers 8, 8 that can travel along the rails 210B, 220B of the lower frame 22, respectively. As a result, the outdoor shoji 3A and the indoor shoji 3B form a sliding door that can slide independently in the horizontal direction along the rails 210A, 220A, 210B, 220B.

The outdoor shoji 3A is formed inside a frame 30 formed by assembling an upper frame 4, a lower frame 5, a door frame 6A, and an exterior frame 7A, which are each extruded, into a rectangular shape. , a glass panel 31 which is a face material is fitted. The indoor-side shoji 3B is inside a frame 30 constructed by assembling an upper frame 4, a lower frame 5, a door frame 6B, and an inner joint frame 7B, which are each extruded, into a rectangular shape. , a glass panel 31 which is a face material is fitted. As shown in FIGS. 1 and 2, when the outdoor shoji 3A and the indoor shoji 3B close the inner opening of the frame 2, the door frame 6A of the outdoor shoji 3A is close to the left vertical frame 24. The door frame 6B of the indoor-side shoji 3B is arranged close to the vertical frame 23 on the right side. The outer joint frame 7A of the outdoor shoji 3A and the inner joint frame 7B of the indoor shoji 3B are arranged so as to overlap each other in the indoor-outdoor direction at the center of the inner opening of the frame 2 in the left-right direction. The door frame 6A, 6B, the outer joint frame 7A, and the inner joint frame 7B respectively correspond to the left and right vertical frames.

The frame 2 has a hybrid structure composed of a metal material such as aluminum and a resin material such as vinyl chloride. For this reason, the frame 2 is excellent in heat insulation and anti-condensation properties. Specifically, the upper frame 21 and the lower frame 22 are composed of metal frame portions 211 and 221 and resin cover portions 212 and 222, respectively. The resin cover portion 212 of the upper frame 21 is arranged between the pair of rails 210A and 210B of the upper frame 21 on the inner surface of the metal frame portion 211 . The resin cover portion 222 of the lower frame 22 is arranged between the pair of rails 220A and 220B of the lower frame 22 on the inner surface of the metal frame portion 221 .

A resin angle member 25 is attached to the indoor side of the frame 2 . The upper portion of the angle member 25 has an upper extension portion 251 that extends toward the outdoor side, and the lower portion of the angle member 25 has a lower extension portion 252 that extends toward the outdoor side. The inner surface of the metal frame portion 211 of the upper frame 21 on the interior side of the rail 210</b>B on the interior side is covered with the upper extending portion 251 of the angle member 25 . The inner surface of the metal frame portion 221 of the lower frame 22 on the interior side of the rail 220B on the interior side is covered with the lower extending portion 252 of the angle member 25 .

The left vertical frame 24 is composed of a metal frame portion 241 and a resin frame portion 242 . The resin frame portion 242 is arranged so as to protrude from the inner surface of the metal frame portion 241 . The resin frame portion 242 hides the door frame 6A of the outdoor shoji 3A from being seen from the inside of the room by covering the entire interior facing surface 6a of the door frame 6A of the outdoor shoji 3A.

The upper frame 4, the lower frame 5, the door frame 6A, 6B, the outer joint frame 7A, and the inner joint frame 7B of the shoji 3 are a hybrid made of a metal material such as aluminum and a resin material such as vinyl chloride. Each has a structure. For this reason, the shoji 3 is excellent in heat insulation and condensation prevention. Specifically, the upper frame 4, lower frame 5, door frame 6A, 6B, outer joint frame 7A, and inner joint frame 7B are composed of metal frame portions 41, 51, 61, 71, resin frame portions 42, 52, 62 and 72, respectively. The resin frame portions 42, 52, 62, 72 are arranged on the indoor side of the metal frame portions 41, 51, 61, 71, respectively. As shown in FIGS. 1 and 2, a crescent lock 73 is attached to the resin frame portion 72 of the inner joint frame 7B of the indoor shoji 3B. As shown in FIGS. 1, 2 and 3, a sub-lock 9 is attached to the lower frame 5 of the outdoor shoji 3A.

Next, the inner joint frame 7B of the indoor shoji 3B of this embodiment will be further described with reference to FIG.

The metal frame portion 71 of the inner joint frame 7B has an outdoor metal joint portion 711, an indoor metal joint portion 712, an inner metal joint portion 713, and an outer metal joint portion 714, and has a cross-sectional shape of It is formed in a rectangular shape. These outdoor metal fitting portion 711, indoor metal fitting portion 712, inner metal fitting portion 713, and outer metal fitting portion 714 extend over the entire length of the inner joint frame 7B.

The outdoor metal fitting part 711 is arranged to face the outdoor side and extends parallel to the outdoor side surface 31 a of the glass panel 31 . A concave portion 711a that is slightly recessed toward the indoor side is provided at the outer end portion of the outdoor metal fitting portion 711. As shown in FIG. The concave portion 711a constitutes a locking portion that locks the exterior side of the resin frame portion 72, which will be described later.

The indoor-side metal fitting portion 712 is arranged to face the indoor side and extends parallel to the indoor side surface 31 b of the glass panel 31 . A groove portion 712 a having a structure that opens toward the glass panel 31 side is formed at the inner end portion of the indoor metal fitting portion 712 . The groove portion 712a constitutes a locking portion that locks the interior side of the resin frame portion 72, which will be described later.

The indoor metal fitting portion 712 is arranged within the expected width of the glass panel 31 along the Y1-Y2 direction. The estimated width of the glass panel 31 corresponds to the overall thickness of the glass panel 31 from the outdoor side surface 31a of the glass panel 31 to the indoor side surface 31b. That is, the position along the Y1-Y2 direction of the indoor metal fitting portion 712 exists within the range of the thickness of the glass panel 31 . Therefore, the metal frame portion 71 is arranged outside the line L1 along the indoor side surface 31 b of the glass panel 31 .

The inner metal projection part 713 is arranged so as to face the side end surface 31 d of the glass panel 31 . The inner metal fitting portion 713 extends from the outdoor metal fitting portion 711 toward the interior side and is connected to the interior metal fitting portion 712 . The outdoor side end of the inner metal joint 713 is slightly bent outward and then connected to the outdoor metal joint 711 . A first protruding piece 715 sandwiching the outdoor side of the glass panel 31 extends inward along the outdoor side surface 31a of the glass panel 31 at the bent portion. A second protruding piece 716 extends inward along the outdoor side surface 31 a of the glass panel 31 at the joint between the inner metal fitting portion 713 and the outdoor metal fitting portion 711 . These first protruding piece 715 and second protruding piece 716 are, as shown in FIG. A labyrinth structure is formed by being received between the first protruding piece 715 and the second protruding piece 716 .

The outer metal fitting portion 714 is arranged parallel to the inner metal fitting portion 713 and connects the outdoor metal fitting portion 711 and the indoor metal fitting portion 712 . A claw portion 714a arranged to face the inside of the concave portion 711a is provided at the end portion of the outside metal projection portion 714 on the outdoor side.

The resin frame portion 72 of the inner joint frame 7B has an indoor resin fitting portion 721 and an outer resin fitting portion 722, and has a substantially L-shaped cross section. The indoor resin joint portion 721 and the outer resin joint portion 722 extend over the entire length of the inner joint frame 7B.

The indoor-side resin fitting portion 721 is arranged at a position that protrudes toward the indoor side from the indoor side surface 31 b of the glass panel 31 . That is, the indoor-side resin fitting portion 721 is arranged at a distance to the indoor side from the line L1 along the indoor side surface 31b of the glass panel 31 . The interior-side resin fitting portion 721 completely covers the interior-side metal fitting portion 712 of the metal frame portion 71 and extends to the interior side surface 31 b of the glass panel 31 .

A first resin fitting portion 723 and a second resin fitting portion 724 are provided between the indoor resin fitting portion 721 and the indoor metal fitting portion 712 of the metal frame portion 71 . The first resin fitting portion 723 and the second resin fitting portion 724 are arranged parallel to the indoor resin fitting portion 721 along the length direction of the inner joint frame 7B.

The first resin fitting portion 723 is arranged close to the room-side metal fitting portion 712 of the metal frame portion 71 . Specifically, the first resin finding portion 723 is arranged so as to substantially match the line L1 along the interior side surface 31b of the glass panel 31 . The length of the first resin fitting portion 723 along the X1-X2 direction is longer than the length of the indoor metal fitting portion 712 along the X1-X2 direction. The inner end portion of the first resin fitting portion 723 is arranged at the same position as the inner metal fitting portion 713 of the metal frame portion 71 along the X1-X2 direction. The outer end of the first resin fitting portion 723 is connected to the outer resin fitting portion 722 .

The second resin finding portion 724 is arranged parallel to the first resin finding portion 723 with a slight distance from the first resin finding portion 723 toward the interior side. Specifically, the second resin finding portion 724 is arranged slightly away from the line L1 along the interior side surface 31b of the glass panel 31 toward the interior side. The length of the second resin fitting portion 724 along the X1-X2 direction is sufficiently longer than the length of the first resin fitting portion 723 along the X1-X2 direction, and the length of the indoor resin fitting portion 721 along the X1-X2 direction. It has the same length as the length. The outer end of the second resin fitting portion 724 is connected to the outer resin fitting portion 722 .

The first resin fitting portion 723 and the second resin fitting portion 724 are connected by a first inner resin fitting portion 725 . The first inner resin projection 725 is arranged parallel to the inner metal projection 713 of the metal frame portion 71 . As a result, the resin frame portion 72 is formed into a first hollow portion S1 formed by a space surrounded by the outer resin fitting portion 722, the first resin fitting portion 723, the second resin fitting portion 724, and the first inner resin fitting portion 725. have The position along the X1-X2 direction of the first inner resin projection 725 corresponding to the inside of the first hollow portion S1 and the position along the X1-X2 direction of the inner metal projection 713 of the metal frame portion 71 are: They match and are arranged on the same line L2.

The inner end of the second resin fitting portion 724 and the interior resin fitting portion 721 are connected by a second inner resin fitting portion 726 . The second inner resin projection 726 is arranged parallel to the inner metal projection 713 of the metal frame portion 71 . As a result, the resin frame portion 72 is formed into a second hollow portion S2 constituted by a space surrounded by the indoor resin fitting portion 721, the outer resin fitting portion 722, the second resin fitting portion 724, and the second inner resin fitting portion 726. have The second hollow portion S2 is larger than the first hollow portion S1 and is arranged adjacent to the first hollow portion S1 on the indoor side with the second resin fitting portion 724 interposed therebetween. The second hollow portion S2 extends inward from the first inner resin projection portion 725 so as to overlap the indoor side surface 31b of the glass panel 31 . In the resin frame portion 72, the portion of the second hollow portion S2 also functions as a grip portion when opening and closing the indoor shoji 3B from the inside of the room.

The end portion of the first inner resin fitting portion 725 on the outdoor side projects slightly further to the outdoor side than the first resin fitting portion 723 and has an outwardly bent locking piece 725a. The locking piece 725 a locks the inside of the resin frame portion 72 to the metal frame portion 71 by being fitted into the groove portion 712 a of the metal frame portion 71 .

The outer resin projection 722 extends parallel to the outer metal projection 714 of the metal frame portion 71 and is arranged to cover the entire outer metal projection 714 . The outdoor-side end portion of the outer resin fitting portion 722 has an outdoor-side resin fitting portion 727 bent inward. The exterior resin fitting portion 727 extends substantially flush with the exterior metal fitting portion 711 of the metal frame portion 71 . An end portion of the exterior resin fitting portion 727 is provided with a locking claw portion 7 2 7a. On the exterior side of the resin frame portion 72, the locking claw portion 727a of the exterior resin fitting portion 727 is accommodated in the recessed portion 711a of the metal frame portion 71 and engages with the claw portion 714a. is locked.

By attaching the resin frame portion 72 to the metal frame portion 71 in this way, the first protrusion piece 715 of the metal frame portion 71 and the first inner resin portion of the second resin fitting portion 724 of the resin frame portion 72 A housing space for the glass panel 31 is formed between the projected portion 725 and the end portion 724 a that protrudes inward. The side edge of the glass panel 31 is held between the first protruding piece 715 and the edge 724a of the second resin fitting portion 724. As shown in FIG.

In the inner joint frame 7B of the present embodiment, two hollow portions, the first hollow portion S1 and the second hollow portion S2 of the resin frame portion 72, are arranged on the indoor side of the metal frame portion 71. It has excellent heat insulation and anti-condensation properties. In addition, the interior metal fitting portion 712 of the metal frame portion 71 is arranged within the expected width of the glass panel 31 and is located outside the line L1 along the interior side surface 31b. The metal frame portion 71, which has a high thermal conductivity, is formed sufficiently small. For this reason, the inner joint frame 7B has a simple structure, and is even more excellent in heat insulation and anti-condensation properties.

The resin frame portion 72 is not limited to having two hollow portions, and may have one or more hollow portions adjacent to the interior side of the second hollow portion S2. A plurality of hollow portions may be divided into a plurality of portions in the X1-X2 direction, if necessary.

The outer resin projection 722 of the resin frame portion 72 in this embodiment is far apart from the outer metal projection 714 of the metal frame portion 71 . In other words, the outer metal fitting portion 714 of the metal frame portion 71 recedes further inward than the outer resin fitting portion 722 of the resin frame portion 72 . Therefore, the outer resin projection portion 722 is provided with a plurality of ribs 722a, 722b, 722c for maintaining strength and preventing bending.

The ribs 722 a , 722 b , 722 c are protrusions projecting from the outer resin frame portion 722 toward the outer metal frame portion 714 of the metal frame portion 71 . It extends parallel to the length direction. The rib 722c arranged on the innermost side of the room is arranged substantially in the middle of the outer resin projection 722 along the Y1-Y2 direction. The remaining two ribs 722a and 722b are arranged on the exterior side of the rib 722c. The interval between the two ribs 722a and 722b is about twice the interval between the ribs 722b and 722c.

The three ribs 722 a , 722 b , 722 c are within the mounting range W of the base portion 731 of the crescent lock 73 with respect to the outer resin projection portion 722 . The crescent lock 73 is attached to the inner joint frame 7B with bolts 732 passing through the outer resin projection 722 and the outer metal projection 714 of the metal frame portion 71 . A bolt 732 is a mounting member for the crescent lock 73 , passes between the two ribs 722 a and 722 b and is screwed into a sleeve nut 733 fixed to the outer metal projection 714 of the metal frame portion 71 .

When attaching the crescent lock 73 , the axial force of the bolt 732 acts on the outer resin projection 722 . However, since the bolt 732 passes between the two ribs 722a and 722b and is screwed into the sleeve nut 733, the outer resin projection 722 around the bolt 732 is reinforced by the two ribs 722a and 722b. . Therefore, there is no possibility that the outer resin projection portion 722 is deformed by the axial force of the bolt 732 . In addition, the crescent lock 73 can be stably supported on the outer resin projection 722 because the rib 722c is arranged in the vicinity of the rib 722b within the mounting range W of the pedestal portion 731 of the crescent lock 73. can be done.

Ribs 722a, 722b, and 722c provided between the outer metal fitting portion 714 and the outer resin fitting portion 722 protrude from the outer metal fitting portion 714 of the metal frame portion 71 toward the outer resin fitting portion 722 of the resin frame portion 72. It may be provided integrally with the metal frame portion 71 as shown in FIG. Also, the ribs 722 a , 722 b , 722 c may be a combination of ribs projecting from the metal frame portion 71 and ribs projecting from the resin frame portion 72 . That is, one or two of the three ribs 722 a , 722 b , 722 c are provided integrally with the outer resin projection portion 722 , and the remaining two or one ribs are integrally formed with the outer metal projection portion 714 . may be provided integrally with the Furthermore, between the outer metal fitting portion 714 and the outer resin fitting portion 722, one or more ribs may be added in addition to the ribs 722a, 722b, and 722c as required.

1 fitting 2 frame 21 upper frame 22 lower frame 23, 24 vertical frame 3 shoji 3A outdoor shoji 3B indoor shoji 30 frame 31 glass panel 31b indoor side 4 upper frame 5 lower frame 6A, 6B door frame 7A exterior Combined frame 7B Inner combined frame 712 Interior metal joint 713 Inner metal joint 714 Outer metal joint 722 Outer resin joint 722a, 722b, 722c Rib 73 Crescent lock 732 Bolt 41, 51, 61, 71 Metal frame 42 , 52, 62, 72 Resin frame portion S1 First hollow portion S2 Second hollow portion

Claims (3)

a frame composed of an upper frame, a lower frame, and left and right vertical frames; and a face member fitted inside the frame,
The vertical frame is an inner joint frame of the indoor-side shoji out of the outdoor-side shoji and the indoor-side shoji that constitute the double sliding door, and has a metal frame portion and a resin frame portion,
The metal frame portion has at least an inner metal fitting portion, an outer metal fitting portion, and an interior metal fitting portion connecting the inner metal fitting portion and the outer metal fitting portion, and the interior metal fitting portion includes: Arranged within the expected width of the face material,
The resin frame portion has at least two hollows, a first hollow portion covering the interior-side metal fitting portion of the metal frame portion and a second hollow portion adjacent to the interior side of the first hollow portion. has a part
the position in the viewing direction of the inner metal fitting portion of the metal frame portion and the position in the viewing direction of the inner surface of the resin frame portion in the first hollow portion;
The second hollow portion of the resin frame portion protrudes further into the room than the indoor side surface of the face member, and extends further inward than the first hollow portion so as to overlap the indoor side surface of the face member. A shoji that stretches out toward you. The resin frame portion has an outer resin projection portion that covers the outer metal projection portion of the metal frame portion,
A lock is attached to the outer resin projection,
Projecting from the outer resin projection toward the outer metal projection of the metal frame portion or from the metal frame portion toward the outer resin projection within the lock mounting range of the outer resin projection portion and at least three ribs extending in the length direction of the resin frame,
The lock is attached by an attachment member that passes between two adjacent ribs out of the at least three ribs and penetrates the outer resin projection and the outer metal projection of the metal frame. Item 1. The shoji screen according to item 1 . A fitting comprising a frame composed of an upper frame, a lower frame and left and right vertical frames, and the shoji according to claim 1 or 2 housed in the frame.

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