JP2023182947A - Fitting - Google Patents

Abstract

To provide a fitting whose waterproof performance can be enhanced.SOLUTION: A fitting includes an opening frame in which vertical frames and horizontal frames are framed, and a sash slidably supported by the opening frame. The vertical frame has a metal vertical frame, a resin vertical frame connected to the metal vertical frame so as to cover the frame inside depth surface of the metal vertical frame, and a vertical rail for supporting a door front frame of the sash in a fully closed position, and the horizontal frame has a metal horizontal frame, a resin horizontal frame connected to the metal horizontal frame so as to cover the frame inside depth surface of the metal horizontal frame, and a horizontal rail for slidably supporting the horizontal frame of the sash, and the vertical rail and the horizontal rail are arranged so that one end surface faces the other top surface, and a water stop material is sandwiched between them.SELECTED DRAWING: Figure 6A

Description

The present invention relates to a fitting provided with an opening frame.

BACKGROUND ART As windows for houses, shops, etc., there are fittings such as sliding windows in which left and right shoji are slidably supported by an opening frame, and single-sliding windows in which only one side is slidably supported. Patent Document 1 discloses a structure for sliding window fittings in which the opening frame is made of a composite structure of aluminum and resin to improve heat insulation properties.

Patent No. 5912027

The configuration of Patent Document 1 has a configuration in which a rail (vertical rail) provided on a vertical frame abuts a rail (horizontal rail) provided on a horizontal frame. In such a configuration, if the resin material shrinks due to assembly errors or thermal effects, a gap will be created between the vertical rail and the horizontal rail, and there is a concern that the watertight performance will deteriorate. For example, if a gap is created between the end surface of the vertical rail and the top surface of the horizontal rail, this gap becomes a water ingress route in the indoor and outdoor directions.

The present invention has been made in consideration of the problems of the prior art described above, and an object of the present invention is to provide fittings that can improve waterproof performance.

A fitting according to a first aspect of the present invention includes an opening frame formed by a vertical frame and a horizontal frame, and a shoji that is slidably supported by the opening frame, wherein the vertical frame is made of metal. A vertical frame, a resin vertical frame connected to the metal vertical frame so as to cover the inner side of the metal vertical frame, and a vertical rail supporting the door frame of the shoji in a fully closed position. The horizontal frame includes a metal horizontal frame, a resin horizontal frame connected to the metal horizontal frame so as to cover the inner side of the metal horizontal frame, and a horizontal frame that slidably supports the horizontal stile of the shoji. The vertical rail and the horizontal rail are arranged such that one end surface faces the top surface of the other, and a water stop material is sandwiched between them.

According to the above aspect of the present invention, waterproof performance can be improved.

FIG. 2 is a view of the fittings according to one embodiment as seen from the indoor side. FIG. 2 is a longitudinal sectional view of the fittings shown in FIG. 1; FIG. 2 is a cross-sectional view of the fittings shown in FIG. 1; FIG. 3 is an enlarged vertical cross-sectional view of the lower frame and its surrounding area. FIG. 2 is an enlarged cross-sectional view of the vertical frame located on the door edge side of the outer shoji and its surrounding area. FIG. 2 is an enlarged perspective view of the connecting portion between the lower frame and the left and right vertical frames and the peripheral portion thereof. FIG. 6A is a perspective view with left and right vertical frames omitted from FIG. 6A; FIG. 6B is a perspective view with the water stop material omitted from FIG. 6B. It is a bottom view which expanded the rail and peripheral part of a vertical frame. FIG. 2 is an enlarged perspective view of the connecting portion between the upper frame and the left and right vertical frames and the peripheral portion thereof.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of fittings according to the present invention will be described below in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 3, the fittings 10 according to the present embodiment include an opening frame 12 fixed to an opening of a building frame, an outer shoji 14 slidably disposed inside the opening frame 12, and It is equipped with an inner shoji 15. In this embodiment, a sliding window fitting 10 is illustrated in which an opening 16 formed inside the opening frame 12 can be opened and closed by sliding the shoji 14 and 15 left and right. The shoji 14, 15 may be a single-sliding window in which one side is fitted into the opening frame 12 and only the other side slides. The number of shoji screens may be three or more.

The opening frame 12 has a rectangular opening 16 formed by surrounding an upper frame 12a, a lower frame 12b, and left and right vertical frames 12c, 12d.

In this application, the prospective direction refers to the indoor/outdoor direction of the fittings 10, that is, the direction from the indoor side to the outdoor side, or the opposite direction (direction indicated by arrow Z in the figure), and the prospective surface refers to the direction along the prospective direction. Refers to an extending surface. The finding direction is the direction perpendicular to the expected direction, and in the case of a vertical frame 12c etc. that is long in the vertical direction, it refers to the left-right direction (direction indicated by arrow X in the figure) perpendicular to the longitudinal direction. In the case of a long upper frame 12a, etc., this refers to the vertical direction (direction indicated by arrow Y in the figure) orthogonal to the longitudinal direction thereof. The locating surface refers to the surface along the locating direction. The inside of the frame refers to the inside part of the opening frame 12, which is a frame-shaped member. The outside of the frame refers to the outside portion of the opening frame 12, which is a frame-like member. The in-frame direction refers to the direction from the outside of the frame to the inside of the frame of the frame-shaped member. The direction outside the frame refers to the direction from the inside of the frame to the outside of the frame of the frame-shaped member.

First, the overall configuration of the fittings 10 will be explained.

The opening frame 12 is a window frame with a composite structure in which a metal frame member 18 disposed on the outdoor side and a resin frame member 20 disposed on the indoor side are combined. The metal frame member 18 is an extruded shape of a metal material such as aluminum. The resin frame material 20 is an extruded shape of a resin material such as vinyl chloride resin (PVC). The metal frame material 18 includes a metal upper frame 18a, a metal lower frame 18b, and left and right metal vertical frames 18c and 18d. The resin frame material 20 includes a resin upper frame 20a, a resin lower frame 20b, and left and right resin vertical frames 20c and 20d.

As shown in FIG. 2, the upper frame 12a has a structure in which a resin upper frame 20a is connected to a metal upper frame 18a that is fixed to the building frame with screws 22.

The metal upper frame 18a has a structure in which the outdoor side member 18a1 and the indoor side member 18a2 are connected by a heat insulating material 18a3 to improve the heat insulation performance. The outdoor side member 18a1 forms a drainage surface of the opening frame 12. A rail piece 24a is formed to protrude from the frame inner side of the outdoor member 18a1. A rail piece 25a is formed to protrude from the frame side facing surface of the indoor member 18a2. The metal upper frame 18a may be constructed of one member without using the heat insulating material 18a3.

The resin upper frame 20a has a base member 20a1 and an angle member 20a2. The base member 20a1 has rail pieces 24b and 25b lined up in the viewing direction on the inside side of the frame, and has a substantially crank shape as a whole. The angle member 20a2 is provided so as to continue from the rail piece 25b toward the indoor side. The indoor end of the angle member 20a2 is fixed with screws 22 to a building frame or a frame fixed thereto.

Rails 24 and 25 protruding toward the inside of the frame are provided side by side in the viewing direction on the inside side of the upper frame 12a. The rail 24 is a guide rail that slidably guides the outer shoji 14. The rail 24 is formed of a rail piece 24a of the metal upper frame 18a and a rail piece 24b of the resin upper frame 20a, and has a rectangular hollow shape. The rail pieces 24a and 24b engage with each other at the top surface (lower surface) 24c of the rail 24. The rail 25 is a guide rail that slidably guides the inner shoji 15. The rail 25 is formed of a rail piece 25a of the metal upper frame 18a and a rail piece 25b of the resin upper frame 20a, and has a rectangular hollow shape. A bent portion and a protruding piece are formed at and near the protruding end of the rail piece 25a. The rail piece 25b has a hook-shaped part bent so as to include the bent part and the protruding piece of the rail piece 25a. The rail pieces 25a and 25b engage with each other on the indoor side facing surface of the rail 25.

As shown in FIG. 2, the lower frame 12b has a structure in which a resin lower frame 20b is connected to a metal lower frame 18b that is fixed to the building frame with screws 22.

The metal lower frame 18b has a structure in which the outdoor side member 18b1 and the indoor side member 18b2 are connected by a heat insulating material 18b3, and the heat insulation performance is improved. A rail piece 26a is formed to protrude from the frame inner side facing surface 18b4 of the outdoor side member 18b1. A rail piece 27a is formed to protrude from the frame inner side facing surface 18b5 of the indoor member 18b2. The rail pieces 26a, 26b are lined up in the direction in which the lower frame 12b is viewed. The metal lower frame 18b may be composed of one member without using the heat insulating material 18b3.

The resin lower frame 20b has an outdoor side member 20b1 and an indoor side member 20b2. The outdoor side member 20b1 is provided with a pair of legs in the perspective direction on a horizontal plate on which a rail piece 26b protruding upward is formed at the outdoor side end, and these legs are engaged with the outdoor side member 18b1 of the metal lower frame 18b. This is a configuration that allows The indoor side member 20b2 has a horizontal plate having an upwardly projecting rail piece 27b formed at the outdoor side end thereof, and has an angle portion 28 bent in a substantially L-shape at the indoor side end of the horizontal plate. be. The indoor side member 20b2, like the outdoor side member 20b1, is engaged with the indoor side member 18b2 of the metal vertical frame 18c by a pair of legs provided in the viewing direction. The angle portion 28 is fixed with screws 22 to a building frame or a frame fixed thereto.

Rails 26 and 27 protruding inward from the frame are provided on the inner side of the lower frame 12b in a lined up direction. The rail 26 is a guide rail that slidably guides the outer shoji 14. The rail 26 is formed of a rail piece 26a of the metal lower frame 18b and a rail piece 26b of the resin lower frame 20b, and has a rectangular hollow shape. The rail pieces 26a and 26b engage with each other at the top surface (upper surface) 26c of the rail 26. The rail 27 is a guide rail that slidably guides the inner shoji 15. The rail 27 is formed of a rail piece 27a of the metal lower frame 18b and a rail piece 27b of the resin lower frame 20b, and has a rectangular hollow shape. The rail pieces 27a and 27b engage with each other at the top surface (upper surface) 27c of the rail 27.

As shown in FIG. 3, the vertical frame 12c is arranged on the door edge side of the outer shoji 14 in the fully closed position. The vertical frame 12c has a structure in which a resin vertical frame 20c is connected to a metal vertical frame 18c that is fixed to the building frame with screws 22.

The metal vertical frame 18c has a plate portion 30 and a rail piece 32a. The plate portion 30 extends along the indoor-outdoor direction and is fixed to the building frame with screws 22. The rail piece 32a protrudes toward the inside of the frame from the inside-frame facing surface 30a of the plate portion 30. The rail piece 32a is provided at a position closer to the outdoor side than the center in the viewing direction of the frame inner side viewing surface 30a.

The resin vertical frame 20c has a base portion 34 and an angle portion 35. The base portion 34 extends along the indoor-outdoor direction, and is fixed to the frame inner side facing surface 30a of the metal vertical frame 18c with screws 22. A rail piece 32b is formed on the frame inner side facing surface 34a of the base portion 34, and projects from the outdoor side end portion toward the frame inner side. The angle portion 35 is integrally formed at the indoor end of the base portion 34 and is fixed to a building frame or a frame fixed thereto using screws 22. A cover member 36 is attached to the frame inner side surface 34a of the base portion 34.

A rail 32 that protrudes toward the inside of the frame is provided on the inside facing surface of the vertical frame 12c. The rail 32 is a part that supports the outer shoji 14 in the fully closed position. The rail 32 is formed of a rail piece 32a of the metal vertical frame 18c and a rail piece 32b of the resin vertical frame 20c, and has a rectangular hollow shape. The rail pieces 32a, 32b engage with each other at the top surface 32c of the rail 32.

As shown in FIG. 3, the vertical frame 12d is arranged on the door edge side of the inner shoji 15 in the fully closed position. The vertical frame 12d has a configuration in which a resin vertical frame 20d is connected to a metal vertical frame 18d that is fixed to the building frame with screws 22.

The metal vertical frame 18d has a plate portion 38, a fin portion 39, and a rail piece 40a. The plate portion 38 extends along the indoor-outdoor direction and is fixed to the building frame with screws 22. The fin portion 39 projects toward the inside of the frame from the inside-of-frame facing surface 38a of the plate portion 38. The rail piece 40a protrudes toward the inside of the frame at a position closer to the indoor side than the fin portion 39 in the viewing direction of the inside-frame viewing surface 38a.

The fin portion 39 faces the outdoor surface 15a of the inner shoji 15 in the fully closed position. A pocket portion 39a is formed in the fin portion 39 and opens toward the outdoor surface 15a. A thermally expandable member 41 can be installed in the pocket portion 39a. The thermally expandable member 41 is a member that expands when heated, and is, for example, a heated foaming material such as graphite that foams when heated. By providing the thermally expandable member 41 in the pocket portion 39a, the fitting 10 can fill the gap between the fin portion 39 and the inner shoji 15 with the expanded thermally expandable member 41 in the event of a fire.

The resin vertical frame 20d has a rail piece 40b and an angle portion 42, and has a substantially crank shape as a whole. The rail piece 40b projects from the outdoor end of the resin vertical frame 20d to the inside of the frame. The angle portion 42 is a substantially L-shaped portion formed at the indoor end of the resin vertical frame 20d, and is fixed to a building frame or a frame fixed thereto using screws 22.

A rail 40 that protrudes toward the inside of the frame is provided on the inside facing surface of the vertical frame 12c. The rail 40 is a part that supports the inner shoji 15 in the fully closed position. The rail 40 is formed of a rail piece 40a of the metal vertical frame 18d and a rail piece 40b of the resin vertical frame 20d, and has a rectangular hollow shape. The rail pieces 40a, 40b engage with each other at the top surface 40c of the rail 40.

As shown in FIGS. 1 to 3, the outer shoji 14 includes a panel 44, an upper stile (horizontal stile) 45a surrounding the four peripheries of the panel 44, a lower stile (horizontal stile) 45b, a door stile 45c, and a door frame 45c. A frame 45d is provided.

The face material 44 is, for example, a two-layer double-glazed glass structure in which a pair of glass plates 44a and 44b are made to face each other with a spacer interposed therebetween. The face material 44 may have a single layer, or may have a structure of three or more layers.

Each of the frames 45a to 45d is an extruded member made of a resin material such as PVC. Each of the frames 45a to 45d has an opening groove 46 that opens toward the inside of the frame. The opening groove 46 holds the outer peripheral edge of the face material 44. Each of the frames 45a to 45c other than the matching frame 45d has a guide groove 47 that opens toward the outside of the frame. The rail 24 of the upper frame 12a is slidably inserted into the guide groove 47 of the upper frame 45a. The rail 26 of the lower frame 12b is slidably inserted into the guide groove 47 of the lower stile 45b. The rail 32 of the vertical frame 12c is inserted into the guide groove 47 of the door frame 45c when the outer shoji 14 is in the fully closed position.

As shown in FIGS. 2 and 4, a door wheel 48 is disposed on the lower stile 45b. The door roller 48 is a roller disposed within the guide groove 47 of the lower stile 45b, and rolls on a projection 26d protruding from the top surface 26c of the rail 26. As a result, the outer shoji 14 slides smoothly within the opening 16 while the guide grooves 47 of the upper and lower frames 45a, 45b are guided by the rails 24, 26. At this time, the airtight and watertight materials 49 installed in the guide grooves 47 of the frames 45a and 45b are in sliding contact with both indoor and outdoor facing surfaces of the rails 24 and 26, respectively. The airtight and watertight material 49 is, for example, mohair or tight material.

In the fully closed position, the outer shoji 14 is stably held by the guide groove 47 of the door frame 45c swallowing the rail 32 of the opposing vertical frame 12c (see FIGS. 3 and 5). At this time, the airtight and watertight materials 49 installed in the guide grooves 47 of the door frame 45c come into contact with both indoor and outdoor facing surfaces of the rail 32, respectively.

As shown in FIGS. 1 to 4, the inner shoji 15 is slidably guided between the rails 25 of the upper frame 12a and the rails 27 of the lower frame 12b, and is moved in a sliding manner relative to the shoji 14 on the outdoor side. can. The inner shoji 15 may have a substantially bilaterally symmetrical structure with the outer shoji 14, except that the configuration of the stile 45d is slightly different. Therefore, each component of the inner shoji 15 will be given the same reference numeral as each component of the outer shoji 14, and detailed explanation will be omitted. In the fully closed position, the inner shoji 15 is stably held by the guide groove 47 of the door frame 45c swallowing the rail 40 of the opposing vertical frame 12d (see FIG. 3). The top surface 27c of the rail 27 is also provided with a protrusion 27d similar to the protrusion 26d of the rail 26, on which the door roller 48 of the inner shoji 15 rolls.

Note that when both of the shoji 14 and 15 are in the fully closed position, their matching frames 45d and 45d meet each other (see FIG. 3). At this time, the smoke return pieces 50 provided on each of the connecting frames 45d and 45d mesh with each other, and the airtight and watertight material 49 provided on the facing surface of one of the connecting frames 45d faces the opposite side of the other connecting frame 45d. Touch the surface that you want to find. In addition, at this time, the crescents 52a provided on the joining frame 45d of the inner shoji 15 can be engaged with the crescent receivers 52b provided on the joining stile 45d of the outer shoji 14, thereby locking the shoji 14 and 15.

Next, a specific configuration of the lower frame 12b will be explained.

As shown in FIGS. 2 and 4, the lower frame 12b is made of plastic in the area between the rail pieces 26a and 27a and the area on the indoor side of the rail piece 27a among the inner side facing surfaces 18b4 and 18b5 of the metal lower frame 18b. It has a configuration in which it is hidden by the lower frame 20b.

The outdoor side rail 26 has a structure in which a rail piece 26a of the metal lower frame 18b and a rail piece 26b of the resin lower frame 20b are engaged with each other at an engaging portion 54. The protrusion 26d is provided at a portion forming the top surface 26c of the rail piece 26a of the metal lower frame 18b. The projection 26d projects upward from the indoor end of the rail piece 26a and has a substantially mushroom-shaped cross section. The engaging portion 54 is arranged on the top surface 26c of the rail 26, and is adjacent to the indoor side of the projection 26d. For example, the engaging portion 54 is formed at the top of the rail piece 26b and has an opening facing the outside of the frame, whereas a hook-shaped claw portion 54a is formed at the base of the protrusion 26d of the rail piece 26a and has an opening facing the inside of the frame. The hook-shaped claw portion 54b is hooked thereon.

The rail 27 on the indoor side has a structure in which a rail piece 27a of the metal lower frame 18b and a rail piece 27b of the resin lower frame 20b are engaged with each other at an engaging portion 55. The protrusion 27d and the engagement portion 55 may have substantially the same structure as the protrusion 26d and the engagement portion 54 on the rail 26 on the outdoor side. That is, the protrusion 27d is provided at the indoor end of the portion forming the top surface 27c of the rail piece 27a. The engaging portion 55 is disposed on the top surface 27c, and is configured to hook the hook-shaped claw portion 55b of the rail piece 27b onto the hook-shaped claw portion 55a of the rail piece 27a, for example.

By the way, in the fittings 10, as shown in FIG. 3, the lower frame 12b is largely exposed indoors on the indoor side of the outer shoji 14. However, most of this exposed portion is covered with a resin lower frame 20b made of resin, and the indoor surfaces of the rails 26 and 27 are also formed with resin rail pieces 26b and 27b. As a result, in the fittings 10, the appearance quality of the lower frame 12b, which is largely exposed indoors on the indoor side of the outside shoji 14, is improved, the insulation performance is also improved, and the occurrence of dew condensation is suppressed.

As shown in FIG. 4, in the lower frame 12b, a hollow portion 56 is formed between the outdoor side members 18b1 and 20b1 of the metal lower frame 18b and the resin lower frame 20b. Similarly, in the lower frame 12b, a hollow portion 57 is also formed between the indoor side members 18b2 and 20b2 of the metal lower frame 18b and the resin lower frame 20b. As a result, in the fittings 10, the insulation performance of the lower frame 12b, which is largely exposed indoors on the indoor side of the outside shoji 14, is further improved, and the occurrence of dew condensation is further suppressed.

Next, a specific configuration of the vertical frame 12c arranged on the door edge side of the outer shoji 14 will be explained.

As shown in FIG. 5, the vertical frame 12c has a structure in which substantially the entire area of the interior side of the metal vertical frame 18c, which is closer to the indoor side than the rail piece 32a, is covered with a resin vertical frame 20c. In the resin vertical frame 20c, the base portion 34 and the angle portion 35 are integrally molded as one extruded member. In other words, the resin vertical frame 20c is one member, and high productivity and workability can be obtained. The resin vertical frame 20c extends in the viewing direction from the base portion 34 to the angle portion 35, thereby covering the frame inner side viewing surface 30a of the metal vertical frame 18c. Specifically, the resin vertical frame 20c covers the entire area of the frame inner side facing surface 30a that is closer to the indoor side than the rail piece 32a.

The base portion 34 includes, in order from the outdoor side toward the indoor side, a rail piece 32b, an inclined portion 34b, a hollow portion 34c, and a connecting portion 34d.

The inclined portion 34b is gradually inclined toward the inside of the frame toward the indoor side, and is installed so as to wrap around the corner of the door frame 45c of the outer shoji 14 in the fully closed position. As a result, the gap C formed between the resin vertical frame 20c and the door frame 45c is narrowed by the inclined portion 34b, and the appearance quality of the fitting 10 is improved. The hollow portion 34c has a substantially rectangular shape and extends along the viewing direction. The connecting portion 34d is a plate portion along the viewing direction, and is a plate portion that abuts the frame inner side viewing surface 30a of the metal vertical frame 18c between the hollow portion 34c and the angle portion 35.

In such a resin vertical frame 20c, the base portion 34 is connected to the metal vertical frame 18c using various engaging portions and screws 22, and the angle portion 35 is fixed to the building frame using screws 22.

Here, the rail 32 on the outdoor side has a configuration in which a rail piece 32a of the metal vertical frame 18c and a rail piece 32b of the resin vertical frame 20c are engaged with each other at an engaging portion 58. The engaging portion 58 is arranged on the top surface 32c of the rail 32. The engaging portion 58 is, for example, formed at the top of the rail piece 32b and opened toward the outside of the frame, whereas the hook-shaped claw portion 58a is formed at the indoor end of the rail piece 32a and opens toward the inside of the frame. This is a structure in which a hook-shaped claw portion 58b is hooked. As shown in FIG. 3, the rail 40 on the indoor side has a configuration in which rail pieces 40a and 40b are connected by an engaging part 59 having substantially the same structure as the engaging part 58.

As shown in FIGS. 4 and 5, a cover member 36 made of resin is attached to the resin vertical frame 20c. The cover member 36 is, for example, an extruded section made of a resin material such as PVC.

The cover member 36 is attached to the resin vertical frame 20c so as to cover the frame inner side facing surface 34a of the base portion 34, and hides the heads of the screws 22 that connect the resin vertical frame 20c to the metal vertical frame 18c. The cover member 36 is arranged so as to be continuous from the viewing surface 35a of the angle portion 35, and has a viewing surface 36a extending along the viewing direction. The prospective surface 36a is a substantially flat surface extending from a position adjacent to the angle portion 35 to a position adjacent to the indoor surface 14a of the outer shoji 14.

As a result, the vertical surfaces 35a and 36a of the resin vertical frame 20c from the angle portion 35 to the cover member 36 are formed substantially flat, and at the same time, the gap C between the cover member 36 and the outer shoji 14 is narrowed, and the fittings 10 Improve the appearance quality of. Furthermore, the cover member 36 further improves the appearance quality of the fitting 10 by hiding the heads of the screws 22. In particular, the fittings 10 have a structure in which the vertical frame 12c is largely exposed indoors on the indoor side of the outer shoji 14. Therefore, the appearance quality of the fitting 10 is improved by providing the cover member 36 in this portion, so that the overall beauty of the fitting 10 can be significantly improved. The viewing surface 36a of the cover member 36 may not have a flat shape, but may have some unevenness, or may be somewhat inclined with respect to the viewing direction. Furthermore, there may be some level difference or gap between the prospective surface 36a and the prospective surface 35a of the angle portion 35.

Note that "the projected surface 36a extends to a position close to the indoor surface 14a" means that the projected surface 36a extends as far as possible while avoiding the cover member 36 from interfering with the opening/closing operation of the outer shoji 14. In other words, it extends to a position close to the indoor surface 14a of the outer shoji 14, that is, to a position where the gap C can be minimized.

The cover member 36 forms two hollow parts 60 and 61 between it and the resin vertical frame 20c. The hollow part 60 is arranged so as to be stacked inside the hollow part 34c of the resin vertical frame 20c, and extends along the viewing direction. The hollow portion 61 is arranged so as to close the connecting portion 34d of the resin vertical frame 20c, and extends along the finding direction. The hollow portion 61 has a height in the inside-outside direction of the frame that is approximately the same as the stacking height of the hollow portions 34c and 60. Furthermore, the lengths of the hollow portions 34c and 60 in the prospective direction are considerably larger than that of the hollow portion 61.

In this way, the three hollow parts 34c, 60, 61 are arranged such that the hollow parts 60, 61 and the hollow parts 34c, 61 are arranged side by side in the sight direction, respectively, and the hollow parts 34c, 60 are arranged side by side in the sight direction. That is, the vertical frame 12c has a plurality of hollow portions 34c, 60, 61 arranged in the direction of sight and the direction of sight between the metal vertical frame 18c and the room. As a result, in the fittings 10, the insulation performance of the vertical frame 12c, which is largely exposed indoors on the indoor side of the outside shoji 14, is improved, and the occurrence of dew condensation is also suppressed.

The cover member 36 is connected to the resin vertical frame 20c using, for example, engaging portions 64 and 65. The engaging portions 64 and 65 are formed at the corners of the hollow portion 34c of the vertical resin frame 20c, respectively, facing toward the inside of the frame, and are lined up in the viewing direction.

The vertical frame 12c may have a configuration other than the three hollow portions 34c, 60, and 61 as described above. That is, the number of plate pieces formed on the resin vertical frame 20c and the cover member 36 may be changed as appropriate, and the number of hollow portions may be set to 1, 2, or 4 or more.

Next, the arrangement relationship between the rails 24 to 27 of the upper frame 12a and lower frame 12b, which are the horizontal frames, and the rails 32, 40 of the vertical frames 12c and 12d, and the mutual waterproof structure will be explained.

As shown in FIG. 6A, the lower frame 12b and the vertical frames 12c, 12d of this embodiment have a structure in which the edge end surfaces of the lower frame 12b abut against the prospective surfaces of the vertical frames 12c, 12d and are connected to each other. It is said to be a structure.

On the other hand, the rail 26 on the outdoor side of the lower frame 12b (hereinafter sometimes referred to as the "horizontal rail 26") and the rail 32 on the vertical frame 12c (hereinafter sometimes referred to as the "outdoor side vertical rail 32"). ) is a so-called sideways winning structure. In other words, the rails 26 and 32 have a structure in which the end surface 32d of the outdoor vertical rail 32 abuts the top surface 26c of the horizontal rail 26. Similarly, the rail 27 on the indoor side of the lower frame 12b (hereinafter sometimes referred to as the "horizontal rail 27") and the rail 40 on the vertical frame 12d (hereinafter sometimes referred to as the "indoor side vertical rail 40") ) also has a horizontally winning structure in which the end surface 40d of the indoor vertical rail 40 abuts against the top surface 27c of the horizontal rail 27.

Here, the metal lower frame 18b and the metal vertical frames 18c, 18d are firmly fixed to each other using screws to construct a waterproof structure between them. On the other hand, the structure between the horizontal rails 26, 27 and the vertical rails 32, 40 is such that the end surfaces 32d, 40d are just abutted against the top surface 26c. This is because it is necessary to absorb thermal expansion and contraction between the horizontal rails 26, 27 and the vertical rails 32, 40, and it is also difficult to fix them with screws due to the material and structure. Therefore, in such a configuration, a gap is created between the vertical rails 32, 40 and the horizontal rails 26, 27 due to processing tolerances, assembly errors, and thermal effects, and this gap becomes a water ingress route in the indoor and outdoor directions. There is a concern that the watertight performance will deteriorate.

Therefore, as shown in FIGS. 6A to 6C, the fitting 10 of this embodiment is provided with a waterproof structure using a waterproof material 70 between the horizontal rails 26, 27 and the vertical rails 32, 40.

The waterproof material 70 is a waterproof sheet made of butyl rubber, sponge, or the like, and may have a thickness of, for example, about 1 mm. As shown in FIG. 6A, on the vertical frame 12c side, the water stop material 70 is sandwiched between the end surface 32d of the outdoor vertical rail 32 and the top surface 26c of the horizontal rail 26. On the vertical frame 12d side, the water stop material 70 is sandwiched between the end surface 40d of the indoor vertical rail 40 and the top surface 27c of the horizontal rail 27. In FIG. 6A, the water stop material 70 on the side of the vertical frame 12c and its surrounding area are typically surrounded by a dashed-dotted circle and are enlarged, but the water stop material 70 on the side of the vertical frame 12d and its surrounding area are also enlarged. It has a similar configuration.

As shown in FIGS. 6A to 6C, the horizontal rails 26 and 27 of the lower frame 12b have notches 26e and 27e formed by cutting out the longitudinal ends of the projections 26d and 27d on which the door roller 48 rolls.

The cutout portion 26e is obtained by cutting out the end of the horizontal rail 26 on the vertical frame 12c side. The notch length of the notch portion 26e is equal to or greater than the protruding height of the outdoor vertical rail 32. Thereby, the notch 26e forms a flat surface 71 on the top surface 26c on which the end surface 32d can be placed (see FIG. 6C). The water stop material 70 is installed on this plane 71. Therefore, the water stop material 70 is disposed astride the rail piece 32a of the metal lower frame 18b and the rail piece 32b of the resin lower frame 20b that form the top surface 26c (FIGS. 6B and 6C). In this way, by being arranged on the plane 71 formed by the water stop material 70 and the notch 26e, it is held more stably.

As shown in FIGS. 6A to 6C, the notch 27e has a basically symmetrical structure with the notch 26e, except that the end of the horizontal rail 27 on the vertical frame 12d side is cut out. Therefore, detailed explanation will be omitted. That is, the notch 27e also forms an end surface 40d and a flat surface 71 on which the water stop material 70 can be placed on the top surface 27c of the horizontal rail 27.

The cutouts 26e and 27e are not essential components. That is, for example, the shoji 14 and 15 may have a top-suspended sliding structure, and in this case, the protrusions 26d and 27d of the rails 26 and 27 of the lower frame 12b are unnecessary, and the notches 26e and 27e are also naturally unnecessary. .

As shown in FIG. 7, on the end surface 32d of the vertical frame 12c that presses the water stop material 70 from above, there are a pair of prospecting plate parts 72a, 72b along the prospecting direction, a pair of prospecting plate parts 73a, 73a along the finding direction, 73b are provided respectively. The prospect board portion 72a is composed of a rail piece 32a of the metal vertical frame 18c and a rail piece 32b of the resin vertical frame 20c. The facing plate portion 72b is composed of a plate piece (outdoor side end portion 74) located on the outermost side of the room of the resin vertical frame 20c. The sight board portion 73a is composed of a rail piece 32a of the metal vertical frame 18c. The index board portion 73b is composed of a rail piece 32b of the resin vertical frame 20c.

In this way, the water stop material 70 on the side of the vertical frame 12c is placed on the flat surface 71 provided on the top surface 26c of the horizontal rail 26, and the respective plate portions 72a, 72b, 72b on the end surface 32d of the outdoor vertical rail 32, It is pressed down by 73a and 73b. As a result, the water stop material 70 is subjected to pressing forces in the expected direction and the found direction, and is held in a stable state.

In particular, the water stop material 70 is held in the out-of-plane direction and the in-plane direction of the outer shoji 14 at least by a metal facing board part 72a and a facing board part 73a formed on the rail piece 32a of the metal vertical frame 18c. Therefore, even if the resin vertical frame 20c and the resin lower frame 20b expand or contract due to thermal effects, the water stop material 70 is pressed in two directions by the metal member, so it will be stably held, and it will not peel off or become misaligned. can be suppressed from occurring. Moreover, in the fitting 10, the rail piece 32a provided on the metal vertical frame 18c of the vertical rail 32 faces the rail piece 26a provided on the metal lower frame 18b of the horizontal rail 26. Therefore, the water stop material 70 is sandwiched between these vertical and horizontal metal members, and its holding becomes more stable.

Note that the end surface 40d of the indoor vertical rail 40 that presses the water stop material 70 on the vertical frame 12d side from above has substantially the same structure as the end surface 32d of the outdoor vertical rail 32 of the vertical frame 12c (see FIG. 3). Therefore, similarly to the water stop material 70 on the side of the vertical frame 12c shown in FIG. It is held in a stable state by receiving the pressing force in the direction and the finding direction.

In this way, the fitting 10 of this embodiment can suppress water intrusion from the abutting portions of the horizontal rails 26, 27 and the left and right vertical rails 32, 40 by the water-stopping material 70, and achieves high waterproof performance. It will be done. The water stop material 70 also has the effect of filling gaps between the horizontal rails 26, 27 and the vertical rails 32, 40 due to assembly errors between the lower frame 12b and the vertical frames 12c, 12d.

As shown in FIG. 8, the water stop material 70 is provided between the rails 24 and 25 (hereinafter also referred to as "horizontal rails 24 and 25, respectively") of the upper frame 12a and the vertical rails 32 and 40. It may be provided.

In the case of this embodiment, the horizontal rails 24 and 25 of the upper frame 12a do not have protrusions 26d and 27d like the lower frame 12b, so there is no need to process the ends such as the notches 26e and 27e. . The outdoor vertical rail 32 is arranged so that its upper end surface 32e abuts against the top surface 24c of the horizontal rail 24. Similarly, the indoor vertical rail 40 is arranged such that its upper end surface 40e abuts against the top surface 25c of the horizontal rail 25.

Since the abutting portions of the horizontal rails 24, 25 and the vertical rails 32, 40 on the upper frame 12a side are located at the upper part of the fitting 10, in a normal fitting 10, there is no need to arrange the water stop material 70 here. However, if the fittings 10 require higher waterproof performance, the top surface 25c of the horizontal rail 24, the end surfaces 32e of the left and right vertical rails 32, 40, A water stop material 70 may be inserted between the water stop material 40e and the water stop material 40e.

Note that reference numeral 76 in FIGS. 6A to 6C is a lower full opening stopper of the outer shoji 14 that is placed over the end of the rail 26 on the side of the vertical frame 12d. Similarly, reference numeral 77 is a lower full opening stopper of the inner shoji 15 that is placed over the end of the horizontal rail 27 on the side of the vertical frame 12c. Further, reference numeral 78 in FIG. 8 is a stopper for fully opening the upper part of the outer shoji 14, which is placed over the end of the rail 24 on the side of the vertical frame 12d. Similarly, reference numeral 79 is a stopper for fully opening the upper part of the inner shoji 15, which is placed over the end of the rail 25 on the side of the vertical frame 12c.

In the above example, the rails 26 and 27 of the lower frame 12b and the rails 32 and 40 of the left and right vertical frames 12c and 12d each have a horizontal structure. This is because when the rails 26, 27 and the rails 32, 40 have a horizontal structure, the horizontal rails 26, 27 can effectively prevent rainwater, etc. that has accumulated on the outdoor side of the lower frame 12b from entering the indoor side. Moreover, in the fitting 10, rainwater and the like that cross over the horizontal rails 26 and 27 can be stopped by the water-stopping material 70, and the waterproof performance is further improved.

However, depending on the specifications of the fittings 10, etc., it may be assumed that the rails 26, 27 of the lower frame 12b and the rails 32, 40 of the left and right vertical frames 12c, 12d have a vertical structure. Therefore, in this case, as shown by the two-dot chain line in FIG. 6B, a water stop material 70 It is a good idea to insert the . In addition, in this case as well, the end surfaces 26f and 27f of the horizontal rails 26 and 27 have metal facing plate parts and facing plate parts, so that the water stop material 70 can be stably held. I can do it.

As described above, the fitting according to the first aspect of the present invention is a fitting including an opening frame formed by a vertical frame and a horizontal frame, and a shoji that is slidably supported by the opening frame, and the fitting includes: The vertical frame includes a metal vertical frame, a resin vertical frame connected to the metal vertical frame so as to cover the inside surface of the metal vertical frame, and a vertical frame that supports the door frame of the shoji in the fully closed position. a rail, and the horizontal frame has a metal horizontal frame, a resin horizontal frame connected to the metal horizontal frame so as to cover the inner side of the metal horizontal frame, and a resin horizontal frame that slides the horizontal stile of the shoji. a horizontal rail that can be supported, and the vertical rail and the horizontal rail are arranged such that one end surface faces the top surface of the other, and a water stop material is sandwiched between them. . According to such a configuration, the vertical rail and the horizontal rail formed on the vertical frame and the horizontal frame, respectively, are placed against each other with the water stop material sandwiched between one end surface and the other top surface. . As a result, the fitting can suppress water intrusion from the abutting portions between the vertical and horizontal rails, and has high waterproof performance.

The one end face is provided with a prospecting board part along the prospecting direction and a finding board part along the finding direction, and the prospecting board part and the finding board part are in contact with the water stop material. Good too. Then, the water stop material is supported by the plate portions in two directions, ie, the viewing direction and the sighting direction, and it is possible to suppress peeling off and misalignment.

The horizontal frame includes a lower frame arranged under the shoji, the one end surface is the end surface of the vertical rail, and the other top surface is the top surface of the horizontal rail provided on the lower frame. It may be a surface. In this way, the horizontal rails of the bottom frame that pass under the vertical rails can prevent rainwater, etc. that has accumulated on the outdoor side of the bottom frame from flooding into the indoor side, and the water-stopping material can prevent rainwater, etc. that has accumulated on the outside side of the bottom frame from flooding into the indoor side. Water can be stopped.

The metal vertical frame of the vertical frame has a first rail piece protruding from the inner side of the frame, and the resin vertical frame of the vertical frame has a second rail piece protruding from the inner side of the frame, The vertical rail is formed into a hollow shape by connecting the first rail piece and the second rail piece at the top surface thereof, and the prospecting board part and the finding board part are made of at least metal. It may also be formed on the first rail piece. In this case, the water stop material is held down in two directions by the metal facing plate part and the facing board part, so that it is held even more stably.

The metal horizontal frame of the lower frame has a third rail piece protruding from the inner side of the frame, and the resin horizontal frame of the lower frame has a fourth rail piece protruding from the inner side of the frame, The horizontal rail is formed into a hollow shape by connecting the third rail piece and the fourth rail piece at the top surface thereof, and the water-stopping material is at least connected to the first metal rail piece. and the third rail piece. Then, the water stop material can be held between the metal members of the vertical rail and the horizontal rail, and the water stop material can be held more stably.

A projection formed on the third rail piece and on which the door roller of the shoji rolls is provided on the top surface of the horizontal rail, and the horizontal rail further has a notch at the end in the longitudinal direction of the projection. The water stopper may have a cutout portion, and the water stop material may be disposed in the cutout portion. In this case, the water stop material can be placed on the plane formed by the notch on the top surface of the horizontal rail, and the water stop material can be held more stably.

Note that the present invention is not limited to the embodiments described above, and it goes without saying that changes can be made freely without departing from the spirit of the present invention.

10 fittings, 12 opening frame, 12a upper frame, 12b lower frame, 12c, 12d vertical frame, 14 outer shoji, 15 inner shoji, 18a metal upper frame, 18b metal lower frame, 18c, 18d metal vertical frame, 24, 25, 26, 27, 32, 40 Rail, 24c, 25c, 26c, 27c Top surface, 26d, 27d Projection, 26e, 27e Notch, 26f, 27f, 32d, 32e, 40d, 40e End surface, 70 Water stop material

Claims (6)

A fitting comprising an opening frame made up of a vertical frame and a horizontal frame, and a shoji that is slidably supported by the opening frame,
The vertical frame is
metal vertical frame,
a resin vertical frame connected to the metal vertical frame so as to cover the inner side of the metal vertical frame;
a vertical rail that supports the door frame of the shoji in a fully closed position;
has
The horizontal frame is
metal horizontal frame,
a resin horizontal frame connected to the metal horizontal frame so as to cover the inner side of the metal horizontal frame;
a horizontal rail that slidably supports the horizontal stile of the shoji;
has
The fitting characterized in that the vertical rail and the horizontal rail are arranged such that one end surface faces the top surface of the other, and a water stop material is sandwiched between them. The fitting according to claim 1,
The one end face is provided with a prospecting plate portion along the prospecting direction and a prospecting board portion along the prospecting direction,
A fitting characterized in that the facing board part and the facing board part are in contact with the water stop material. The fitting according to claim 2,
The horizontal frame includes a lower frame arranged under the shoji,
The one end surface is an end surface of the vertical rail,
The fitting, wherein the other top surface is a top surface of a horizontal rail provided on the lower frame. The fitting according to claim 3,
The metal vertical frame of the vertical frame has a first rail piece protruding from the inner side of the frame,
The resin vertical frame of the vertical frame has a second rail piece protruding from the inner side of the frame,
The vertical rail is formed into a hollow shape by connecting the first rail piece and the second rail piece at the top surface thereof,
The fixture, wherein the facing board part and the facing board part are formed at least on the first metal rail piece. The fitting according to claim 4,
The metal horizontal frame of the lower frame has a third rail piece protruding from the inner side of the frame,
The resin horizontal frame of the lower frame has a fourth rail piece protruding from the inner side of the frame,
The horizontal rail is formed into a hollow shape by connecting the third rail piece and the fourth rail piece at the top surface thereof,
The fitting is characterized in that the water stop material is sandwiched between at least the first metal rail piece and the third metal rail piece. The fitting according to claim 5,
A projection formed on the third rail piece and on which the door roller of the shoji rolls is provided on the top surface of the horizontal rail,
The horizontal rail further has a notch that is cut out at the end of the protrusion in the longitudinal direction,
The fitting, wherein the water stop material is disposed in the notch.

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