Building materials

Abstract

To provide a fitting capable of improving the thermal insulation properties by being attached to a frame.SOLUTION: A vertical sliding window includes a window frame 2 and a sash 3 placed in the window frame 2. The sash 3 includes a sash stile 5 that abuts an airtight material 8 attached to the window frame 2 and a face material 80 placed in the sash stile 5. The sash stile 5 includes an upper stile, a lower stile, and left and right stiles 70. The window frame 2 has a front piece 422 attached with an airtight material 8, a depth piece 421 located at the inner side of the airtight material 8, and an extending piece 424 extending inward from the depth piece 421. A frame attachment installation part 44 is composed of the depth piece 421 and the extending piece 424. The frame attachment installation part 44 is provided with a screen door vertical frame 14 installed at a distance from at least one of the depth piece 421 and the extending piece 424.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a fitting that suppresses the flow of heat in and out between the fitting and a frame body. [Background technology]

[0002] Conventionally, vertical sliding windows equipped with a frame and a shoji screen are known (see Patent Document 1). The frame (frame body) is composed of an upper frame, a lower frame, and left and right vertical frames. The upper frame, lower frame, and left and right vertical frames each have a protruding piece that extends from their exterior surface to the outside of the room and a seal material that abuts against the shoji screen. A space is formed between each frame and the shoji screen and between the protruding piece and the seal material, and by forming this space, thermal insulation is improved. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2017-166223 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the case of the vertical sliding window described in Patent Document 1, for example, when attaching a new shoji screen to an existing frame, the positions of the protruding pieces formed on the upper frame, lower frame and left and right vertical frames cannot be changed, so depending on the dimensions of the shoji screen frame, etc., it may not be possible to properly form the aforementioned space, and sufficient insulation may not be achieved. Furthermore, when attaching a new shoji screen to an existing frame to create a fixture such as a vertical sliding window, if the existing frame does not have a protruding piece, it is not possible to form the aforementioned space, making it difficult to improve insulation.

[0005] An object of the present invention is to provide a building fixture that can improve thermal insulation by being attached to a frame body. [Means for solving the problem]

[0006] The shoji screen of the present invention is a shoji screen that is placed within a frame body and comprises a shoji frame that abuts against an airtight material attached to the frame body, and a surface material that is placed within the shoji frame, and the shoji frame comprises an upper frame, a lower frame, and left and right vertical frames, and at least one of the upper frame, the lower frame, and the left and right vertical frames has a protruding protrusion portion formed at a position further inward than the abutment position against the airtight material, and the protrusion portion forms an insulating space between the shoji screen and the airtight material when the shoji screen is placed within the frame body. The fitting of the present invention is characterized by comprising a frame body to which an airtight material is attached, and the above-mentioned shoji screen of the present invention placed within the frame body. [Effects of the Invention]

[0007] According to the present invention, a fitting can be provided that can improve thermal insulation by being attached to a frame body. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a vertical cross-sectional view showing a vertical sliding window according to a first embodiment of the present invention. [Figure 2] 1 is a cross-sectional view showing a vertical sliding window according to a first embodiment. [Figure 3] 1 is a cross-sectional view showing a main part of a vertical sliding window according to a first embodiment. [Figure 4] FIG. 6 is a cross-sectional view showing a main part of a vertical sliding window according to a second embodiment of the present invention. [Figure 5] FIG. 10 is a cross-sectional view showing a main part of a vertical sliding window according to a third embodiment of the present invention. [Figure 6] FIG. 10 is a cross-sectional view showing a main part of a vertical sliding window according to a fourth embodiment of the present invention. [Figure 7] FIG. 10 is a cross-sectional view showing a main part of a vertical sliding window according to a fifth embodiment of the present invention. [Figure 8] FIG. 10 is a cross-sectional view showing a main part of a fixed window according to a sixth embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0009] [First embodiment] A first embodiment of the present invention will be described below with reference to the drawings. 1 to 3, a vertical sliding window 1 as a fixture according to the first embodiment is attached to an opening in a building frame. It comprises a window frame 2 (frame body) formed by an upper frame 20, a lower frame 30, and left and right vertical frames 40; a shoji screen 3 formed by a frame assembly of an upper frame 50, a lower frame 60, left and right vertical frames 70, and a panel 80; and a screen door 4 attached to the window frame 2 on the interior side of the shoji screen 3. In this embodiment, the panel 80 is made of a double-glazed panel and is installed within a shoji frame 5 formed by the upper frame 50, the lower frame 60, and left and right vertical frames 70. The screen door 4 is constructed by stretching a mesh material (not shown) over a screen door frame consisting of an upper screen door frame 12, a lower screen door frame 13, and left and right vertical screen door frames 14 as frame attachments. The screen door 4 is a fixed type that is fitted into the window frame 2. The upper screen door frame 12, the lower screen door frame 13 and the left and right vertical screen door frames 14 are each constructed by combining a metal frame material 15 and a resin frame material 16, and the visible surface on the inner periphery of the metal frame material 15 is covered with the resin frame material 16. In the following description, the left-right direction of the vertical sliding window 1 is the X-axis direction, the up-down direction of the vertical sliding window 1 is the Y-axis direction, and the projection direction (depth direction) of the vertical sliding window 1 is the Z-axis direction. The X, Y, and Z-axis directions are perpendicular to each other.

[0010] In Figure 2, the vertical frame 70 shown on the right is the vertical frame on the door end side, and the vertical frame 70 shown on the left is the vertical frame on the hanging side, and the vertical frame 70 is connected to the upper frame 20 and the lower frame 30. In the vertical sliding window 1, an operating handle 6 is installed on the lower frame 30, and by rotating the operating handle 6, the shoji screen 3 is moved to the outside of the room to open, while by rotating the operating handle 6 in the opposite direction, the shoji screen 3 is moved to the inside of the room to close.

[0011] The upper frame 20, lower frame 30 and left and right vertical frames 40 are each composed of a composite frame material that combines metal frame materials 21, 31, 41 formed from aluminum extrusions and resin frame materials 22, 32, 42 formed from resin extrusions.

[0012] As shown in Figure 1, the metal frame material 21 of the upper frame 20 is constructed by connecting an aluminum exterior shape material 23 and an aluminum interior shape material 24 with a heat insulating material 25 such as urethane. The exterior shape material 23 is fitted with an airtight material 7 against which the upper frame 50 abuts, and is formed with a mounting piece 231 that is fixed to the building frame with a screw. The exterior shape material 23 and the interior shape material 24 are each formed with engagement portions 232, 242 with which the resin frame material 22 engages. As shown in FIG. 1, the resin frame material 22 of the upper frame 20 has outer and inner projection pieces 221, 222, sight pieces 223, 224 connected to the projection pieces 221, 222, a pair of extension pieces 225, 226 extending in the sight direction from the inner projection piece 222, and an opening partition piece 227 connected to the extension pieces 225, 226. The projection piece 221 is fixed to the building frame at its indoor end with screws. The projection piece 221 and the contiguous portion of the outer projection piece 221 and the exterior projection piece 223 are formed with engagement portions 228, 229 that engage with engagement portions 232, 242 of the metal frame material 21. The sight piece 223 is fitted with an airtight material 8 that abuts against the upper frame 50. The opening partition piece 227 has a tapered surface 227A that widens outward from the exterior toward the interior. The space between the projection pieces 221, 222 is divided into two hollow sections 26, 27 by a partition piece 261 that is continuous with the projection pieces 221, 222. The resin frame material 22 includes the aforementioned hollow sections 26, 27 and a hollow section 28 formed by the projection piece 222, the extension pieces 225, 226, and the opening partition piece 227. The formation of these three hollow sections 26, 27, 28 improves thermal insulation. The resin frame material 22 also includes a frame attachment installation section 29 formed by the projection piece 222 and the exterior extension piece 225, and the screen door upper frame 12 is positioned in this frame attachment installation section 29. The frame attachment installation section 29 itself is located more inward than the airtight material 8 attached to the projection piece 223.

[0013] As shown in Figure 1, the metal frame material 31 of the lower frame 30 is made up of an aluminum exterior shape material 33 and an aluminum interior shape material 34 connected by a heat insulating material 35 such as urethane. The exterior shape material 33 is fitted with an airtight material 7 that abuts against the lower frame 60, and is formed with a mounting piece 331 that is fixed to the building frame with a screw. The interior shape material 34 is fitted with an airtight material 8 that abuts against the lower frame 60. As shown in FIG. 1 , the resin frame material 32 of the lower frame 30 has a recessed piece 321, a sight piece 322 connected to the recessed piece 321, an attachment piece 323 connected to the sight piece 322, a pair of extension pieces 324, 325 extending upward from the recessed piece 321, and an opening partition piece 326 connected to the extension pieces 324, 325. The attachment piece 323 is fixed to the building frame with screws. The recessed piece 321 and the attachment piece 323 each have engagement portions 327, 328 that engage with the interior frame 34. The recessed piece 321 has a protrusion 329 that protrudes upward and abuts the screen door lower frame 13. The opening partition piece 326 has a tapered surface 326A that widens outward from the exterior toward the interior. In the resin frame material 32, a hollow portion 36 is formed by the projection piece 321, the extension pieces 324, 325, and the opening partition piece 326, and the formation of the hollow portion 36 improves heat insulation. In addition, in the resin frame material 32, a frame attachment installation portion 37 is formed by the projection piece 321 and the extension piece 324, and the screen door bottom frame 13 is disposed in this frame attachment installation portion 37. The frame attachment installation portion 37 itself is located more inward than the airtight material 8 attached to the metal frame material 31.

[0014] As shown in Figures 2 and 3, the metal frame material 41 of the left and right vertical frames 40 has a projection piece portion 411, a shoji support piece portion 412 that extends inward from the projection piece portion 411 and has an airtight material 7 attached, and a resin frame mounting piece portion 413 that extends in the viewing direction from the projection piece portion 411 and to which the resin frame material 42 is attached, and an engagement portion 414 with which the resin frame material 42 engages is formed at the indoor end of the projection piece portion 411. As shown in Figures 2 and 3, the resin frame material 42 of the left and right vertical frames 40 has a recessed piece 421, sight pieces 422, 423 continuous with the recessed piece 421, a pair of extension pieces 424, 425 extending inward from the recessed piece 421, an opening partition piece 426 continuous with the extension pieces 424, 425, and an attachment piece 427 extending indoors from the portion where the extension pieces 424, 425 and the opening partition piece 426 are connected. The attachment piece 427 is fixed to the building frame with screws. Frame projection pieces 421A, 421B protrude inward (toward the vertical screen frame 14) at the outdoor end of the recessed piece 421 and at the indoor end of the outdoor end. An attachment groove 422A is formed in the outdoor sight piece 422, into which the airtight material 8 is attached. The sight piece 422 is attached to the resin frame mounting piece 413 with screws 9. An engagement portion 423A that engages with the engagement portion 414 of the metal frame material 41 is formed at the outer peripheral end of the sight piece 423 on the indoor side. A hollow portion 43 is formed in the resin frame material 42 by the sight piece 421, extension pieces 424, 425, and opening partition piece 426. In addition, a frame attachment installation portion 44 is formed in the resin frame material 42 by the sight piece 421 and extension piece 424, and the screen door vertical frame 14 is disposed in this frame attachment installation portion 44. The frame attachment installation portion 44 itself is located more inward than the airtight material 8 attached to the sight piece 422.

[0015] The upper frame 50, lower frame 60 and left and right vertical frames 70 are each made up of a composite frame material that combines metal frame materials 51, 61, 71 formed from aluminum extrusions and resin frame materials 52, 62, 72 formed from resin extrusions.

[0016] 1, the metal frame material 51 of the upper frame 50 has a visible piece 511, visible pieces 512 and 513 that are continuous with the visible piece 511, and an engaging portion 514 that is formed continuous with the indoor ends of the visible pieces 512 and 513. The indoor surface (visible surface) of the visible piece 511 abuts against the airtight material 7 attached to the resin frame material 22 when the shoji screen 3 is closed. 1, the resin frame material 52 of the upper frame 50 has a sight piece 521, an engagement piece 522 extending from the sight piece 521 to the outside of the room, and an engagement piece 523 formed at the upper end of the sight piece 521. When the shoji screen 3 is closed, the indoor surface (visible surface) of the sight piece 521 faces the sight piece 223 of the resin frame material 22 and the outdoor surface (visible surface) of the screen upper frame 12 across a gap in the Z-axis direction, and abuts against the airtight material 8 attached to the resin frame material 22. In the upper frame 50, a retaining groove for holding the face material 80 is formed by the sight piece 511 and the inner circumferential sight piece 513 of the metal frame member 51, and the engagement piece 522 and sight piece 521 of the resin frame member 52. A metal retaining material 11 having a generally U-shaped cross section is disposed in this retaining groove, and the upper edge of the face material 80 is held by this metal retaining material 11. In addition, beads 10 are attached to the lower edges of the sight pieces 511, 521, respectively, as face material holding materials for holding the face material 80.

[0017] 1, the metal frame material 61 of the lower frame 60 has a visible piece 611, visible pieces 612 and 613 continuing from the visible piece 611, a visible piece 614 continuing from the indoor end of the visible pieces 612 and 613, an engaging portion 615 formed at the connecting portion of the outer peripheral visible piece 612 and the visible piece 614, and an engaging portion 616 formed on the inner peripheral visible piece 613. The indoor surface (visible surface) of the visible piece 611 abuts against the airtight material 7 attached to the lower frame 30 when the shoji screen 3 is closed. 1, the resin frame material 62 of the lower frame 60 has sight pieces 621, 622, sight pieces 623, 624 continuous with the sight pieces 621, 622, an engagement portion 625 formed at the exterior end of the outer circumferential sight piece 623, and an engagement portion 626 formed at the exterior end of the inner circumferential sight piece 624. The engagement portions 625, 626 engage with the engagement portions 615, 616, respectively. When the shoji screen 3 is closed, the indoor surface (visible surface) of the sight piece 621 faces the outdoor surface (visible surface) of the metal frame material 31 across a gap in the Z-axis direction, and abuts against the airtight material 8 attached to the metal frame material 31. In the lower frame 60, a retaining groove that holds the face material 80 is formed by the sight piece 611 and the inner circumferential sight piece 613 of the metal frame member 61, and the inner circumferential sight piece 624 and the room-side sight piece 621 of the resin frame member 62. A metal retaining material 11 with a roughly U-shaped cross section is arranged in this retaining groove, and the lower edge of the face material 80 is held by this metal retaining material 11. In addition, beads 10 that press the face material 80 are attached to the upper edges of the sight pieces 611, 621, respectively.

[0018] 2 and 3, the metal frame material 71 of the left and right vertical frames 70 has a visible piece 711, a visible piece 712 that is continuous with the visible piece 711, and an engaging portion 713 formed on the indoor end side of the visible piece 712. The visible piece 711 abuts against the airtight material 7 attached to the vertical frame 40 when the shoji screen 3 is closed. 2 and 3, the resin frame members 72 of the left and right vertical frames 70 have a sight piece 721, an extension piece 722 that extends from the inner peripheral end of the sight piece 721 to the outside of the room, an engagement portion 723 formed on the outer peripheral end of the sight piece 721, and a protrusion piece 724 that protrudes from the inner peripheral end of the sight piece 721 toward the inside of the room and extends along the Y-axis direction. The engagement portion 723 engages with the engagement portion 713. In this embodiment, the resin frame members 72 are formed of a hard resin except for the protrusion piece 724, which is formed of a soft resin. When the shoji screen 3 is closed, the indoor surface (visible surface) of the sight piece 721 faces the sight piece 422 of the resin frame material 42 and the outdoor surface (visible surface) of the vertical screen door frame 14 across a gap in the Z-axis direction, and abuts against the airtight material 8 attached to the sight piece 422 of the resin frame material 42. In this embodiment, the protruding piece 724 is positioned facing the resin frame material 16 of the vertical screen door frame 14, improving thermal insulation compared to when the protruding piece 724 is positioned facing the metal frame material 15. The protruding piece 724 is positioned further inward than the abutting position of the sight piece 721 against the airtight material 8. When the shoji screen 3 is closed, the protruding piece 724 faces the outdoor surface of the vertical screen door frame 14 across a gap C. In this embodiment, the protruding dimension of the protruding piece 724 is approximately half the distance between the indoor surface of the sight piece 721 and the outdoor surface of the vertical screen door frame 14, and therefore the dimension of the gap C is the distance minus the protruding dimension of the protruding piece 724. In order to obtain a heat-insulating effect, it is desirable to set the gap C to 2 mm or less. Furthermore, in a configuration in which interference of the protruding piece 724 with the vertical screen door frame 14 when the shoji screen 3 is closed is not an issue, the protruding piece 724 may be abutted against the vertical screen door frame 14 and the gap C may be set to 0 mm (no gap). In the vertical frame 70, a retaining groove that holds the face material 80 is formed by the sight piece 711 and the recessed piece 712 of the metal frame member 71 and the sight piece 721 of the resin frame member 72. A metal retaining member 11 with a roughly U-shaped cross section is arranged in this retaining groove, and the vertical edge of the face material 80 is held by this metal retaining member 11. In addition, beads 10 that press the face material 80 are attached to the inner peripheral end of the sight piece 711 and the outdoor end of the extension piece 722, respectively.

[0019] The above-mentioned vertical sliding window 1 employs a heat insulating structure as follows. The upper edge of the vertical sliding window 1 has an upper frame 20 made of an aluminum resin composite frame material, an upper stile 50 made of an aluminum resin composite stile material, and airtight materials 7, 8 attached to the upper frame 20 abutting against the upper stile 50 to form an insulating space 53 between the upper frame 20 and the upper stile 50, thus forming an insulating structure. In addition, the upper frame 20 is formed by connecting the exterior shape material 23 and the interior shape material 24 with the insulating material 25, and the resin frame material 22 is arranged to cover the insulating material 25, and hollow portions 26, 27, 28 are formed, further improving the insulating properties. The lower edge of the vertical sliding window 1 has a bottom frame 30 made of an aluminum resin composite frame material, a bottom stile 60 made of an aluminum resin composite stile material, and airtight materials 7, 8 attached to the bottom frame 30 abutting against the bottom stile 60 to form an insulating space 63 between the bottom frame 30 and the bottom stile 60, thus forming an insulating structure. In addition, the bottom frame 30 is formed by connecting the exterior shape material 33 and the interior shape material 34 with the insulating material 35, and the resin frame material 32 is arranged to cover the insulating material 35, and a hollow portion 36 is formed, further improving the insulating properties. The left and right vertical edges of the vertical sliding window 1 have vertical frames 40 made of aluminum-resin composite frame material, vertical stiles 70 made of aluminum-resin composite stile material, and airtight materials 7, 8 attached to the vertical frames 40 abut against the vertical stiles 70, thereby forming an insulating space 73 between the vertical frames 40 and the vertical stiles 70, thus forming an insulating structure. In addition, a hollow portion 43 is formed in the resin frame material 42, and a hollow portion 45 (see Figure 3) is formed between the resin frame material 42 and the metal frame material 41, further improving the insulating properties. Here, resin frame material 72 has protruding piece 724 extending from its sight piece 721 toward the interior of the room, so that insulating space 74 is formed between this protruding piece 724 and the airtight material 8 abutting against sight piece 721. In addition, at frame attachment installation section 44, insulating space 75 is formed between sight piece 421 and the sight surface of vertical screen door frame 14, and this insulating space 75 is partitioned by frame protruding piece 421A, 421B. By forming insulating spaces 74, 75 in this manner, thermal insulation is further improved. It is desirable to enlarge the thermal insulation spaces 74, 75 because if their volume is too small, the thermal insulation performance will be poor. However, if they are too large, convection will occur and the thermal insulation performance will be poor. Taking this into consideration, the protruding dimension and the position of the protruding piece 724 of the vertical frame 70 are set according to the configuration of the vertical frame 40.

[0020] According to the vertical sliding window 1 of the first embodiment described above, as mentioned above, the protruding piece 724 is formed on the vertical frame 70 of the shoji screen 3, so that, for example, when attaching a new shoji screen 3 to a window frame 2 that is an existing frame attached to the building structure, even if the window frame 2 does not have a structure equivalent to the protruding piece 724, an insulating space 74 can be formed simply by attaching the shoji screen 3 to the window frame 2.

[0021] [Second embodiment] A second embodiment of the present invention will be described below with reference to FIG. The vertical sliding window 1B of the second embodiment is configured in a similar manner to the vertical sliding window 1 of the first embodiment, but differs in that it has a frame protrusion 424A that protrudes from the extension piece 424 of the resin frame material 42 to the outside of the room (towards the vertical screen frame 14). In the vertical sliding window 1B, because of the presence of the frame protrusion 424A, it is possible to form an insulating space 76 between the indoor surface (visible surface) of the vertical screen door frame 14 and the outdoor surface (visible surface) of the extension piece 424. In FIG. 4, there is one frame protrusion 424A along the opening partition piece 426, but multiple frame protrusions 424A may be formed along the extension piece 424.

[0022] [Third embodiment] A third embodiment of the present invention will be described below with reference to FIG. The vertical sliding window 1C according to the third embodiment is configured in roughly the same way as the vertical sliding window 1 according to the first embodiment, but differs in that it omits the configuration of the frame projection piece 421B of the projection piece 421. In this way, by omitting the configuration of the frame projection piece 421B, it is possible to form a larger insulation space 75.

[0023] [Fourth embodiment] A fourth embodiment of the present invention will be described below with reference to FIG. The vertical sliding window 1D according to the fourth embodiment is generally similar in construction to the vertical sliding window 1 according to the first embodiment, except that the vertical frame 70 is not an aluminum-resin composite frame but is a metal frame 71B formed from an extruded aluminum profile. The metal frame 71B has the aforementioned sight piece 711 and sight piece 712, as well as a sight piece 714 connected to the exterior end of the sight piece 712, forming a retaining groove in which the vertical edge of the panel 80 is positioned. A metal retaining member 11 is disposed in this retaining groove. A bead 10 is attached to the inner peripheral end of the sight piece 711, and a bead 10B is attached to the inner peripheral end of the sight piece 714 as a panel retaining member that holds the panel 80 against the interior surface. The bead 10B has a protruding piece 724B that protrudes further toward the interior than the sight piece 714. Even if the vertical frame 70 is made of the metal frame material 71B in this way, the protruding piece portion 724B can be easily formed by attaching the bead 10B without processing the metal frame material 71B itself.

[0024] [Fifth embodiment] A fifth embodiment of the present invention will be described below with reference to FIG. The vertical sliding window 1E according to the fifth embodiment is configured in a manner generally similar to the vertical sliding window 1 according to the first embodiment, but differs in the configuration of the vertical frame 70. In the fifth embodiment, the vertical frame 70 includes a metal frame member 71C and a resin frame member 72C. The metal frame material 71C has the aforementioned sight piece portion 711 and sight piece portion 712, a sight piece portion 715 located more inward than the sight piece portion 712, a sight piece portion 716 that is continuous with the indoor end of the sight piece portion 715 and the sight piece portion 712, and engagement portions 717, 718 formed on the outdoor end of the sight piece portion 716 and the sight piece portion 712. The resin frame material 72C has the aforementioned sight piece 721 and extension piece 722, an engagement portion 723C formed on the sight piece 721, a protrusion 724C protruding toward the interior of the room from the inner end of the sight piece 721, and a plurality of protrusions 724 protruding toward the interior of the room from the sight piece 721 on the outer side of the protrusion 724C. The protruding piece 724C is positioned more inward than the vertical screen door frame 14, and its protruding dimension is the same as or slightly larger than the distance between the sight piece 721 and the exterior surfaces of the vertical screen door frame 14. The gap C1 between the tip of the protruding piece 724C and the vertical screen door frame 14 (resin frame material 16 in this embodiment) is smaller than the distance between the sight piece 721 and the exterior surfaces of the vertical screen door frame 14, thereby forming a heat-insulating space 74. The multiple protruding pieces 724 are arranged at intervals in the X-axis direction. For this reason, by selectively leaving the protruding pieces 724 in appropriate positions to form the thermal insulation space 74 between the vertical frame 40 and the frame, and cutting off the other protruding pieces 724 (in this case, protruding piece 724C is also cut off), it is possible to form the thermal insulation space 74 with a volume appropriate for suppressing the flow of heat in and out of the room.

[0025] [Sixth embodiment] A sixth embodiment of the present invention will be described below with reference to FIG. The fixed window 1F as a fixture according to the sixth embodiment is configured as the vertical sliding window 1 of the first embodiment, with the shoji screen 3 fixed to the window frame 2 rather than installed so that it can be opened and closed, and does not have an operating handle 6 (see Figures 1 and 2). Instead of metal frame members 41, the left and right vertical frames 40 are equipped with metal frame members 41B formed by connecting an exterior frame member 46 and an interior frame member 47 made of extruded aluminum with a heat insulating material 48 such as urethane. Furthermore, a screen door 4 is not required for the fixed window 1F, and therefore not installed. Instead, a blocking member 17 is installed as a frame attachment in the frame attachment installation portion 44. Although not shown, blocking members 17 are installed in the upper and lower frames in a generally similar manner. The blocking member 17 is made up of a metal frame material 18 that is screwed to the resin frame material 42 of the vertical frame 40, and a resin frame material 19 that engages with the metal frame material 18, and the resin frame material 19 covers the exterior surface (visible surface) and the visible surface on the inner periphery side of the metal frame material 18. The protruding piece portion 724 of the resin frame material 72 of the vertical stile 70 is disposed opposite the resin frame material 19 of the blocking member 17. Note that in the sixth embodiment, the vertical frame 40 includes the metal frame material 41B, but may instead include the metal frame material 41. In this way, by fixing the shoji screen 3 to the window frame 2 and installing the blocking member 17 instead of the screen frame of the screen 4, the fixed window 1F can be constructed using each component of the vertical sliding window 1 (1B to 1E). For example, even if the existing window frame 2 is for a vertical sliding window 1 (1B to 1E), the fixed window 1F can be constructed using the window frame 2 as is.

[0026] [Variations] In the first to sixth embodiments, gaps C, C1 are formed between the protrusions 724, 724C and the vertical screen frame 14 (blocking member 17), but this is not limited thereto, and the gaps C, C1 may be eliminated and the protrusions 724, 724C may be abutted against the vertical screen frame 14 (blocking member 17). In the first to sixth embodiments, the frame protrusion 421A is formed on the vertical frame 40, but this configuration may be omitted. In the first and second embodiments, one frame protrusion 421B is formed on the vertical frame 40, but multiple frame protrusions 421B may be formed along the Z-axis direction. Also, in the fourth and fifth embodiments, no frame protrusion 421B is formed on the vertical frame 40, but such a frame protrusion may be formed. In the first to third, fifth and sixth embodiments, the protruding pieces 724, 724C protruding from the sight piece 721 are made of a soft resin, but they may also be made of a hard resin like the sight piece 721. In the first to sixth embodiments, the frame attachment installation sections 29, 37, and 44 are provided, but if the screen door 4 or the blocking member 17 is not installed, these components may be omitted. In the first to fifth embodiments, heat insulating spaces 75, 76 are appropriately formed between the vertical screen door frame 14 and the projection piece 421 and the extending piece 424, but this is not limiting, and the vertical screen door frame 14 may be abutted against the projection piece 421 and the extending piece 424 without forming the heat insulating spaces 75, 76. Also, in the sixth embodiment, as shown in Fig. 8, the blocking member 17 abuts against the projection piece 421 and the extending piece 424, but the heat insulating spaces 75, 76 may be formed by providing a gap between them. In the first to sixth embodiments, the airtight material 8 is attached to the vertical frame 40, but even without this airtight material 8, a single insulating space is formed by combining the insulating spaces 73 and 74 between the airtight material 7 and the protruding pieces 724, 724B, and 724C, and the insulating properties are maintained. In the first to sixth embodiments, the protrusions 724, 724B, 724C are formed on the left and right vertical frames 70, but not on the upper frame 50 and the lower frame 60, but they may be formed in a similar manner to the above, and if sufficient insulation is obtained, the protrusions 724, 724B, 724C may only be formed on one of the upper frame 50, the lower frame 60, and the left and right vertical frames 70. In the first to fifth embodiments, the vertical sliding window 1 is described as the fixture, and in the sixth embodiment, the fixed window 1F is described as the fixture, but various other windows can also constitute the fixture of the present invention.

[0027] [Summary of the present invention] The shoji screen of the present invention is a shoji screen that is placed within a frame body and comprises a shoji frame that abuts against an airtight material attached to the frame body, and a surface material that is placed within the shoji frame, and the shoji frame comprises an upper frame, a lower frame, and left and right vertical frames, and at least one of the upper frame, the lower frame, and the left and right vertical frames has a protruding protrusion portion formed at a position further inward than the abutment position against the airtight material, and the protrusion portion forms an insulating space between the shoji screen and the airtight material when the shoji screen is placed within the frame body. According to the shoji screen of the present invention, the aforementioned protruding piece is formed on the shoji frame rather than the frame body, so that by attaching the shoji screen to an existing frame body that does not have a protruding piece, for example, the aforementioned insulating space can be formed, and the flow of heat in and out between the shoji screen and the frame body can be suppressed, thereby improving the insulating properties. In addition, depending on the dimensions of the existing frame, a shoji screen with a protruding piece that can properly form an insulating space between it and the airtight material can be selected.

[0028] In the shoji screen of the present invention, the protruding dimension of the protruding piece may be such that a gap is formed between the shoji screen and the frame body when the shoji screen is placed within the frame body. With this configuration, when the shoji screen is installed on the frame body so that it can be opened and closed, the protruding piece portion can be prevented from interfering with the frame body when the shoji screen is closed.

[0029] In the shoji screen of the present invention, the protruding piece may be made of a soft resin. With this configuration, even if the airtight material bends significantly and the protruding piece hits the frame when the shoji screen is forcefully closed, the protruding piece itself will bend and prevent damage. Furthermore, in comparison with the case where the protruding piece is made of a hard resin, the thickness of the extruded resin profile can be reduced in manufacturing process, and a larger heat insulating space can be formed. Furthermore, when the hand is placed on the shoji frame, the protruding piece bends, improving the feel of operating the shoji.

[0030] In the shoji screen of the present invention, the protruding piece portion may be formed in multiple pieces along the viewing direction of at least one of the upper frame, the lower frame, and the left and right vertical frames. With this configuration, it is possible to selectively leave the protruding pieces in a position that will allow the formation of an appropriate insulating space depending on the size of the frame, etc., and cut off the other protruding pieces, making it possible to adapt the shoji screen to various frame bodies.

[0031] In the shoji screen of the present invention, the shoji frame is composed of a composite frame material having a metal frame material on the outside of the room and a resin frame material on the inside of the room, and the resin frame material has a visible piece portion, and the protruding piece portion may protrude in the visible direction from the visible piece portion. With this configuration, an insulating space can be formed between the frame body and the resin frame material using the visible piece and protruding piece, thereby further improving the insulating properties compared to, for example, forming an insulating space between a frame material made of metal and the frame body.

[0032] In the shoji screen of the present invention, a surface material pressing member that presses down the surface material may be attached to the shoji frame, and the protruding piece portion may be formed on the surface material pressing member. According to this configuration, the protruding piece portion can be easily formed by attaching the face material pressing member that presses the face material.

[0033] The fitting of the present invention is characterized by comprising a frame body to which an airtight material is attached, and the above-mentioned shoji screen of the present invention placed within the frame body. According to the fittings of the present invention, it is possible to construct fittings that can achieve the same effects as the shoji screens of the present invention described above.

[0034] In the building fixture of the present invention, the frame body has a visible piece portion to which the airtight material is attached, a visible piece portion located more inward than the airtight material, and an extending piece portion extending inward from the visible piece portion, and the visible piece portion and the extending piece portion form a frame attachment installation portion, and a frame attachment is installed in the frame attachment installation portion at a distance from at least one of the visible piece portion and the extending piece portion, and the shoji frame may abut against the airtight material at a position spaced apart in the visible direction from the frame attachment. With this configuration, a large insulating space can be formed between the shoji frame and frame body and the frame attachment, thereby improving insulation properties. The frame attachment may be, for example, a screen door frame attached to the frame body when a shoji screen is installed on the frame body so that it can be opened and closed, or may be a member that blocks the attachment installation section when a shoji screen is fixedly installed on the frame body.

[0035] In the building fixture of the present invention, the frame body may be composed of a composite frame material having a metal frame material and a resin frame material, the airtight material may be attached to the resin frame material, and the frame attachment installation portion may be formed on the resin frame material. With this configuration, an insulating space can be formed between the resin frame material and the frame attachment, thereby further improving the insulating properties compared to, for example, forming an insulating space between a frame material made of a metal frame material and a frame attachment.

[0036] In the building fixture of the present invention, the protruding piece of the shoji screen is positioned more inward than the frame attachment, and a gap is formed between the protruding piece and the frame attachment, and the gap may be smaller in dimension than the distance between the shoji screen frame and the frame attachment. With this configuration, the protruding piece can be positioned further inward than the frame attachment, thereby allowing it to be positioned farther away from the airtight material, thereby creating a larger heat-insulating space.

[0037] In the building fixture of the present invention, at least one of the projection piece and the extension piece may be formed with at least one frame protrusion piece that protrudes toward the frame attachment. With this configuration, the insulating space formed between the frame body and the frame attachment can be partitioned by the frame protrusion, thereby suppressing convection in the insulating space and improving the insulating properties. [Explanation of symbols]

[0038] 1, 1B~1E...vertical sliding window (fitting), 1F...fixed window (fitting), 17...closing member, 2...window frame (frame body), 20...upper frame, 30...lower frame, 40...vertical frame, 29, 37, 44...frame attachment installation part, 3...shoji screen, 4...screen door, 5...shoji frame, 50...upper frame, 60...lower frame, 7, 8...airtight material, 70...vertical frame, 724, 724B, 724C...projecting part, 74, 75, 76...insulated space, 80...surface material, C, C1...gap.

Claims

1. A fitting comprising a frame body and a shoji screen disposed within the frame body, The frame body includes a frame attachment, The shoji screen includes a shoji frame that abuts against the airtight material attached to the frame body, A surface material disposed within the shoji frame, The frame body has a sight piece portion to which the airtight material is attached, a sight piece portion located on the inner circumferential side of the airtight material and continuous with the sight piece portion, and an extension piece portion extending from the sight piece portion to the inner circumferential side, The projection piece and the extension piece constitute a frame attachment installation portion, The frame attachment is installed in the frame attachment installation portion at a distance from the projection piece portion and the extension piece portion. A fixture characterized by:

2. In the fitting according to claim 1, At least one of the projection piece and the extension piece is formed with at least one frame protruding piece that protrudes toward the frame attachment. A fixture characterized by:

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