Window frames and architecture

Abstract

A window frame and a building are provided that can suppress deformation of a protrusion caused by a force applied in a direction intersecting the inward direction in a window frame having a structure in which the protrusion protrudes inward from the frame portion. [Solution] A window frame (50) is provided in an opening (26) in a wall (20). The window frame (50) includes a frame portion (60) arranged on the edge of the opening (26), a protruding portion (70) that protrudes inward in a direction A1 from an indoor end portion (64) of the frame portion (60) on the indoor side of the wall (20) toward the inside of the frame portion (60), and a support portion (80) that connects an outdoor side surface (73) of the protruding portion (70) and an inner side surface (65) of the frame portion (60).

Description

[Technical Field]

[0001] FIELD OF THE DISCLOSURE The present disclosure relates to window frames and architecture. [Background technology]

[0002] Windows in buildings are provided with window frames. Also, windows are provided with shading members such as roller screens, blinds, and curtains to block sunlight and provide privacy at night. Patent Document 1 discloses a window frame and curtain box that combines an upper window frame with a curtain rail storage unit. The curtain rail storage unit consists of a storage unit main body to which the curtain rail is attached and a cover plate that extends downward from the storage unit main body. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 7-155250 Summary of the Invention [Problem to be solved by the invention]

[0004] When attaching a light-blocking member such as a roller blind, blind, or curtain to the inner surface of a window frame, a protrusion is provided that protrudes from the window frame toward the inside of the frame. In the curtain rail storage unit of Patent Document 1, the cover plate corresponds to the protrusion. Such a protrusion may be deformed if a force is applied in a direction intersecting the protruding direction. [Means for solving the problem]

[0005] (1) A window frame that solves the above problem is a window frame that is installed in an opening in a wall and includes a frame portion that is placed on the edge of the opening, a protruding portion of the frame portion that protrudes inward from the indoor end of the wall on the indoor side toward the inside of the frame portion, and a support portion that connects the outdoor side of the protruding portion facing the outdoor side and the indoor side of the frame portion that faces inward.

[0006] With this configuration, the support portion connects the exterior surface of the protrusion and the interior surface of the frame, so the protrusion is supported by the frame by the support portion. Therefore, in a window frame structure in which the protrusion protrudes inward from the frame, deformation of the protrusion due to a force applied in a direction intersecting the inward direction can be suppressed. Here, the inside of the frame refers to the space surrounded by the frame when viewed from the front of the window frame.

[0007] (2) In the window frame of (1) above, a receiving portion is further provided that supports the end of the interior wall board that constitutes the interior surface of the wall, and at least a part of the receiving portion protrudes toward the interior of the room from the inner end of the protruding portion in the inward direction.

[0008] With this configuration, the receiving portion protrudes from the inner end of the protruding portion toward the interior of the room, and the receiving portion supports the end of the interior wall board, so that the interior wall board overlaps the protruding portion when viewed from inside the room. Since the protruding portion is hidden by the interior wall board when viewed from inside the room, the design of the opening where the window frame is installed can be improved.

[0009] (3) In the window frame of (1) or (2) above, the frame portion has a first frame portion that is disposed on the upper edge of the opening when the window frame is installed in the opening, and the protrusion portion has a first protrusion that protrudes downward from the first frame portion. With this configuration, when a light-blocking member such as a roller blind, blind, or curtain is attached to the inside surface of the first frame portion, the attachment portion of the light-blocking member can be hidden by the first protrusion.

[0010] (4) In any one of the window frames (1) to (3) above, the frame portion has two second frame portions arranged on each side edge of the opening when the window frame is installed in the opening, and the protrusion portion has a second protrusion portion protruding in a direction from one of the second frame portions toward the other of the second frame portions.

[0011] With this configuration, the second protrusion can hide the area around the inner surface of the second frame unit, which means that when a light-blocking member is attached to the inner surface of the first frame unit, it is possible to hide the side edges of the light-blocking member and the curtain pool of the light-blocking member.

[0012] (5) A building that solves the above problem is a building with an indoor space, and includes a wall between the indoors and outdoors, a window installed in the wall, and the window frame described in any one of (1) to (4). With this configuration, the window can be installed using a window frame that is difficult to deform.

[0013] (6) In the building described in (5) above, the wall has an axial member, an exterior wall panel fixed to the axial member, and an interior wall board arranged inside the room relative to the axial member, the window has a window frame fixed to the wall and a transparent material attached to the window frame, and at least a portion of the frame portion of the window frame is arranged between the interior wall board and the window frame in the depth direction from inside the room toward outside the room.

[0014] With this configuration, at least a portion of the frame is positioned between the interior wall board and the window frame in the depth direction, making the frame less visible when looking at the window from inside the room, thereby improving the design around the window.

[0015] (7) In the building described in (6) above, the frame portion of the window frame is arranged so as to fit along the window frame of the window. With this configuration, since the frame portion is arranged so as to fit along the window frame, when the window is viewed from inside the room, the area occupied by the transparent material inside the frame portion can be made larger than when the frame portion is larger than the window frame. This improves the design around the window.

[0016] (8) In the building of (6) or (7) above, the protrusion of the window frame overlaps the interior wall board in the depth direction, and the interior wall board is fixed to the protrusion by driving a fixing member that penetrates the interior wall board into the protrusion.

[0017] According to this configuration, the interior wall board is fixed to the protruding portion by the fixing member. In the window frame, the protruding portion is connected to the frame portion by the support portion, so that deformation of the protruding portion when the fixing member is driven into the protruding portion can be suppressed.

[0018] (9) In any one of the buildings (6) to (8) above, the building further comprises an attachment portion for a shading member that is positioned inside the room relative to the window, the attachment portion being attached to the inner surface of the frame portion, and the attachment portion overlapping with the protrusion of the window frame in the depth direction.

[0019] With this configuration, the mounting portion of the light blocking member overlaps with the protruding portion in the depth direction, making the mounting portion of the light blocking member less visible when looking at the window from inside the room, thereby improving the design around the window.

[0020] (10) In the building of (9) above, the shading member includes one of a roller blind, a blind, and a curtain. With this configuration, the mounting portion of the roller blind, blind, or curtain can be made less visible when looking at the window from inside the room. [Effects of the Invention]

[0021] The window frame and building of the present disclosure can suppress deformation of the protrusion due to a force applied in a direction intersecting the inward direction in a window frame structure in which the protrusion protrudes inward from the frame portion. [Brief explanation of the drawings]

[0022] [Figure 1] 1 is a schematic diagram of a building according to a first embodiment. FIG. [Figure 2] FIG. 2 is a front view of the wall in the building of FIG. 1 as seen from inside the room. [Figure 3] FIG. 3 is a cross-sectional view of the wall taken along line D3-D3 in FIG. 2. [Figure 4] FIG. 4 is a cross-sectional view of the wall taken along line D4-D4 in FIG. 2. [Figure 5] FIG. 3 is a perspective view of a window frame placed on the wall of FIG. 2. [Figure 6] FIG. 2 is a schematic diagram showing the interior space of the building in FIG. 1. [Figure 7] FIG. 2 is a schematic diagram showing the interior space of the building in FIG. 1. [Figure 8] FIG. 10 is a cross-sectional view of a wall in a building according to a second embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0023] First Embodiment A building 10 and a window frame 50 according to a first embodiment will be described with reference to Figures 1 to 7. Examples of the building 10 include houses, community centers, offices, hospitals, public facilities, stores, and the like. As shown in Figure 1, the building 10 of this embodiment is a house. The building 10 has an interior space.

[0024] <Buildings> 2, the building 10 includes a wall 20, a window 30, and a window frame 50. The wall 20 is provided between the interior and exterior of the building 10. The window 30 is provided in the wall 20.

[0025] 3, the wall 20 has a shaft member 21, an exterior wall panel 22, and an interior wall board 23. The shaft member 21 forms part of the framework of the building 10. The shaft member 21 is, for example, a steel member having a C-shaped cross section.

[0026] As shown in FIG. 2, the shaft member 21 includes two first shaft members 24 and two second shaft members 25. The two first shaft members 24 are arranged along a first direction X1. The first direction X1 is a direction along the horizontal direction. The two first shaft members 24 are arranged to be spaced apart in a second direction X2. The second direction X2 is a direction along the up-down direction. The two second shaft members 25 are arranged along the second direction X2. The two second shaft members 25 are arranged to be spaced apart in the first direction X1.

[0027] As shown in Fig. 2, an opening 26 is provided in the wall 20. The opening 26 includes a space surrounded by two first shaft members 24 and two second shaft members 25 when viewed from the depth direction X3. The depth direction X3 is the direction from the inside of the room to the outside of the room. A window 30 is provided in the opening 26.

[0028] As shown in Figures 3 and 4, the exterior wall panel 22 is fixed to the shaft member 21. The exterior wall panel 22 forms the exterior side surface of the wall 20. The interior wall board 23 is arranged on the interior side of the shaft member 21. The interior wall board 23 forms the interior side surface of the wall 20. The interior wall board 23 is, for example, gypsum board. The interior wall board 23 is fixed to, for example, a base material 27 of the wall 20. As shown in Figure 4, a heat insulating material 28 is arranged between the exterior wall panel 22 and the interior wall board 23.

[0029] As shown in Figures 3 and 4, the window 30 has a window frame 31 and a transparent material 32. The window frame 31 is fixed to the wall 20. Specifically, the window frame 31 is fixed to an axis member 21 of the wall 20. The window frame 31 is, for example, a window sash. The window frame 31 has two first window frames 33 and two second window frames 34. The two first window frames 33 are arranged along the first direction X1. The two first window frames 33 are arranged to be spaced apart in the second direction X2. The two second window frames 34 are arranged along the second direction X2. The two second window frames 34 are arranged to be spaced apart in the first direction X1.

[0030] The transparent material 32 is attached to the window frame 31. The transparent material 32 is, for example, a window glass. The window 30 is, for example, a fixed window in which the transparent material 32 is fixed to the window frame 31.

[0031] As shown in Fig. 2, the building 10 further includes a shading member 40. The shading member 40 is provided in the opening 26. The shading member 40 is disposed on the interior side of the room relative to the window 30. The shading member 40 is switchable between a first state in which light enters the room from the window 30, and a second state in which light entering the room from the window 30 is blocked.

[0032] 3, the light-shielding member 40 has an attachment portion 41 and a light-shielding portion 42. The attachment portion 41 is attached to the inside of the opening 26. Specifically, the attachment portion 41 is attached to an inner surface 65 of a frame portion 60, which will be described later. The light-shielding portion 42 is attached to the attachment portion 41.

[0033] The shading member 40 includes, for example, a roller blind. A screen serving as the shading part 42 is attached to the attachment part 41. The attachment part 41 has a pipe around which the screen is wound and a bracket that attaches the pipe to the frame part 60. In a first state, the screen serving as the shading part 42 is wound around the pipe of the attachment part 41. In a second state, the screen serving as the shading part 42 covers the transparent material 32 of the window 30.

[0034] <Window frame> As shown in FIG. 3, the window frame 50 is provided in the opening 26 of the wall 20. The window frame 50 is made of wood. The window frame 50 is supported in the opening 26, for example, by being fixed to the window frame 31 of the window 30 or the base material 27. The window frame 50 includes a frame portion 60, a protruding portion 70, and a support portion 80. The window frame 50 as shown in FIG. 5 is provided in the opening 26 by being inserted into the opening 26 of the wall 20. FIG. 5 illustrates the first direction X1, the second direction X2, and the depth direction X3 when the window frame 50 is provided in the opening 26.

[0035] <Frame section> As shown in FIG. 5 , the frame portion 60 has a first frame portion 61, a second frame portion 62, and a third frame portion 63. The first frame portion 61 extends along the first direction X1. The second frame portion 62 extends along the second direction X2. The frame portion 60 has two second frame portions 62. Each of the two second frame portions 62 connects an end of the first frame portion 61 to an end of the third frame portion 63. The third frame portion 63 extends, for example, parallel to the first frame portion 61. Herein, the space surrounded by the frame portion 60 is defined as the inside of the frame portion 60. In this embodiment, the space surrounded by the first frame portion 61, the two second frame portions 62, and the third frame portion 63 is the inside of the frame portion 60.

[0036] As shown in Figures 3 and 4, the frame portion 60 is disposed on the edge of the opening 26. The first frame portion 61 of the frame portion 60 is disposed on the upper edge of the opening 26 when the window frame 50 is provided in the opening 26. The two second frame portions 62 of the frame portion 60 are disposed on each of the side edges of the opening 26 when the window frame 50 is provided in the opening 26. The third frame portion 63 of the frame portion 60 is disposed on the lower edge of the opening 26 when the window frame 50 is provided in the opening 26.

[0037] The frame portion 60 is arranged to fit along the window frame 31 of the window 30. Specifically, the first frame portion 61 of the frame portion 60 is arranged to fit along the first window frame 33 that is arranged on the upper side of the window frame 31. The second frame portion 62 of the frame portion 60 is arranged to fit along the second window frame 34 of the window frame 31. The third frame portion 63 of the frame portion 60 is arranged to fit along the first window frame 33 that is arranged on the lower side of the window frame 31.

[0038] 3, at least a portion of the frame portion 60 is disposed between the interior wall board 23 and the window frame 31 in the depth direction X3. In this embodiment, the first frame portion 61 of the frame portion 60 is disposed between the interior wall board 23 and the window frame 31 in the depth direction X3.

[0039] <Protrusion> As shown in Fig. 3, the protrusion 70 protrudes in an inward direction A1 from the indoor end 64 of the frame portion 60 on the indoor side of the wall 20. The inward direction A1 is the direction toward the inside of the frame portion 60. In the example of Fig. 3, the inward direction A1 is the direction toward the bottom from the first frame portion 61 of the frame portion 60. In the example of Fig. 4, the inward direction A1 is the direction from one side of the second frame portion 62 toward the other side of the second frame portion 62.

[0040] As shown in FIG. 3, the protrusion 70 has a first protrusion 71. The first protrusion 71 protrudes downward from the first frame portion 61. As shown in FIG. 5, both ends of the first protrusion 71 in the first direction X1 are connected to the second frame portion 62. As shown in FIG. 3, the frame portion 60 and the protrusion 70 form an accommodation space 51. In this embodiment, the accommodation space 51 is a space surrounded by the first frame portion 61 of the frame portion 60 and the first protrusion 71 of the protrusion 70. A window treatment member such as a light blocking member 40 is accommodated in the accommodation space 51.

[0041] As shown in FIG. 3 , the protruding portion 70 of the window frame 50 overlaps the interior wall board 23 in the depth direction X3. The interior wall board 23 is fixed to the protruding portion 70 by driving a first fixing member 72 that penetrates the interior wall board 23 into the protruding portion 70. The first fixing member 72 is, for example, a screw, a nail, a bolt, or the like. The first fixing member 72 is hidden by wallpaper attached to the interior wall board 23. The first fixing member 72 corresponds to the fixing member in the means for solving the problem. In one example, a plurality of first fixing members 72 are driven into the interior wall board 23 at intervals of 150 mm to 200 mm.

[0042] The window frame 50 further includes an attachment portion 41 of the shading member 40. The window frame 50 may further include a shading portion 42 of the shading member 40. The attachment portion 41 overlaps with the protrusion portion 70 of the window frame 50 in the depth direction X3. The attachment portion 41 of the shading member 40 is hidden in the depth direction X3 from the inside of the building 10 by the protrusion portion 70. FIG. 3 shows a case where the shading member 40 is in the first state. In the present embodiment, when the shading member 40 is in the first state, the shading portion 42 of the shading member 40 also overlaps with the protrusion portion 70 of the window frame 50 in the depth direction X3.

[0043] <Support part> As shown in FIG. 3, the support portion 80 supports the protrusion portion 70. The support portion 80 is connected to the exterior side surface 73 of the protrusion portion 70 facing the exterior and the interior side surface 65 of the frame portion 60 facing the interior. The support portion 80 is made of, for example, a steel material such as iron, steel, or stainless steel. The support portion 80 is a plate-shaped member with an L-shaped cross section. The thickness of the plate-shaped member that is the support portion 80 is, for example, 6 mm.

[0044] The support portion 80 has a first support portion 81 and a second support portion 82. The first support portion 81 is fixed to the exterior side surface 73 of the protrusion portion 70. The length of the first support portion 81 in the second direction X2 is, for example, 70 mm. The second support portion 82 is fixed to the interior side surface 65 of the frame portion 60. The length of the second support portion 82 in the depth direction X3 is, for example, 70 mm. The width of the support portion 80 in the first direction X1 is, for example, 15 mm.

[0045] The support portion 80 is fixed to the exterior surface 73 of the protrusion 70 and the interior surface 65 of the frame portion 60 by a second fixing member 83. The second fixing member 83 is, for example, a member such as a screw, a nail, or a bolt. The support portion 80 is fixed, for example, before the window frame 50 is installed in the opening 26.

[0046] <Receiving section> As shown in Figures 3 and 5, the window frame 50 further includes a receiving portion 90. The receiving portion 90 supports the end of the interior wall board 23. The receiving portion 90 has a first receiving portion 91, a second receiving portion 92, and a third receiving portion 93. The first receiving portion 91 is provided on the first protruding portion 71 of the protruding portion 70. The second receiving portion 92 is provided on the second frame portion 62 of the frame portion 60. The third receiving portion 93 is provided on the third frame portion 63 of the frame portion 60.

[0047] As shown in Fig. 3, at least a portion of the receiving portion 90 protrudes toward the room from the inner end 74 of the protruding portion 70 in the inner direction A1. In this embodiment, the first receiving portion 91 of the receiving portion 90 is formed to protrude toward the room from the inner end 74 of the first protruding portion 71 of the protruding portion 70. As shown in Fig. 4, the second receiving portion 92 of the protruding portion 70 is formed at the room-side end of the second frame portion 62. As shown in Fig. 3, the third receiving portion 93 of the protruding portion 70 is formed at the room-side end of the third frame portion 63.

[0048] The receiving portion 90 has a recess 94 formed therein into which the end of the interior wall board 23 fits. By fitting the end of the interior wall board 23 into the recess 94, the end of the interior wall board 23 is hidden.

[0049] 2, the receiving portion 90 is exposed to the interior of the building 10. The portion of the receiving portion 90 that is exposed to the interior may be painted or covered with a decorative sheet.

[0050] <Operation of this embodiment> The first function of this embodiment will be described. In a window frame 50 having a structure in which a protrusion 70 protrudes inward from a frame portion 60 in a direction A1, a support portion 80 connects an exterior surface 73 of the protrusion 70 and an interior surface 65 of the frame portion 60. Because the support portion 80 supports the protrusion 70 on the frame portion 60, deformation of the protrusion 70 is suppressed.

[0051] A second function of this embodiment will be described. The interior wall board 23 is fixed to the protruding portion 70 by driving in the first fixing member 72. Because the deformation of the protruding portion 70 is suppressed by the support portion 80, even when the first fixing member 72 is driven into the protruding portion 70 during installation of the window 30, the protruding portion 70 is unlikely to deform.

[0052] A third function of this embodiment will be described. The frame portion 60 and the protruding portion 70 form an accommodation space 51, which can accommodate a window treatment member such as a light-blocking member 40. As an example, FIG. 6 illustrates the light-blocking member 40 in the first state. When the window 30 is viewed from inside the building 10, the protruding portion 70 of the window frame 50 is hidden by the interior wall board 23 of the wall 20. This makes it difficult to see the light-blocking member 40 from inside the room. When the window 30 is viewed from inside the room, the only visible parts of the window frame 50 are the frame portion 60 and the receiving portion 90. This improves the design around the window 30.

[0053] 7 illustrates the case where the light-blocking member 40 is in the second state. When the light-blocking member 40 is in the second state, the window 30 is hidden by the light-blocking portion 42 of the light-blocking member 40. Only the light-blocking portion 42 on the inside of the frame portion 60 is visible from inside the room.

[0054] There is also a method of attaching the shading member 40 to the ceiling 11, but in this case, the shading portion 42 is suspended from the ceiling 11 to the window frame 50. In the above method, the shading portion 42 of the shading member 40 was required not only on the inside of the frame portion 60 but also from the ceiling 11 to the window frame 50. In contrast, with the window frame 50, the shading member 40 can be attached to the inside of the window frame 50. This eliminates the need for the shading portion 42 from the ceiling 11 to the window frame 50.

[0055] <Effects of this embodiment> The effects of this embodiment will be described. (1-1) The window frame 50 is provided in the opening 26 of the wall 20. The window frame 50 comprises a frame portion 60, a protruding portion 70, and a support portion 80. The frame portion 60 is arranged on the edge of the opening 26. The protruding portion 70 protrudes inward in a direction A1 toward the inside of the frame portion 60 from an indoor end portion 64 of the frame portion 60 on the indoor side of the wall 20. The support portion 80 connects to an exterior side surface 73 of the protruding portion 70 facing the outside of the room and an interior side surface 65 of the frame portion 60 facing inward.

[0056] With this configuration, the support portion 80 connects the exterior side surface 73 of the protrusion 70 and the interior side surface 65 of the frame portion 60, so that the support portion 80 supports the protrusion 70 on the frame portion 60. Therefore, in a window frame 50 in which the protrusion 70 protrudes in the inward direction A1 from the frame portion 60, deformation of the protrusion 70 due to a force applied in a direction intersecting the inward direction A1 can be suppressed. Here, the inside of the frame portion 60 refers to the space surrounded by the frame portion 60 when the window frame 50 is viewed from the front.

[0057] (1-2) The window frame 50 further includes a receiving portion 90 that supports the end of the interior wall board 23 that forms the interior surface of the wall 20. At least a portion of the receiving portion 90 protrudes into the interior from the inner end portion 74 of the protruding portion 70 in the inward direction A1.

[0058] According to this configuration, the receiving portion 90 protrudes into the room from the inner end portion 74 of the protruding portion 70, and the end portion of the interior wall board 23 is supported by the receiving portion 90, so that the interior wall board 23 overlaps the protruding portion 70 when viewed from inside the room. Since the protruding portion 70 is hidden by the interior wall board 23 when the opening 26 is viewed from inside the room, the design of the opening 26 in which the window frame 50 is installed can be improved.

[0059] (1-3) The frame portion 60 has a first frame portion 61 that is disposed on the upper edge of the opening 26 when the window frame 50 is provided in the opening 26. The protrusion 70 has a first protrusion 71 that protrudes downward from the first frame portion 61. With this configuration, when the light-blocking member 40 is attached to the inner surface 65 of the first frame portion 61, the attachment portion 41 of the light-blocking member 40 can be hidden by the first protrusion 71.

[0060] (1-4) The building 10 has an interior space. The building 10 includes a wall 20 that is provided between the interior and exterior of the building, a window 30 provided in the wall 20, and a window frame 50. With this configuration, the window 30 can be installed using the window frame 50 that is difficult to deform.

[0061] (1-5) The wall 20 has an axis member 21, an exterior wall panel 22 fixed to the axis member 21, and an interior wall board 23 arranged inside the room relative to the axis member 21. The window 30 has a window frame 31 fixed to the wall 20 and a transparent material 32 attached to the window frame 31. At least a portion of the frame portion 60 of the window frame 50 is arranged between the interior wall board 23 and the window frame 31 in the depth direction X3.

[0062] With this configuration, at least a portion of the frame portion 60 of the window frame 50 is disposed between the interior wall board 23 and the window frame 31 in the depth direction X3, making it difficult to see the frame portion 60 when looking at the window 30 from inside the room. This improves the design around the window 30.

[0063] (1-6) The frame portion 60 of the window frame 50 is positioned so as to fit along the window frame 31 of the window 30. With this configuration, the frame portion 60 is positioned so as to fit along the window frame 31, so when the window 30 is viewed from inside the room, the area occupied by the transparent material 32 inside the frame portion 60 can be made larger than when the frame portion 60 is larger than the window frame 31. This allows for an improved design around the window 30.

[0064] (1-7) The protruding portion 70 of the window frame 50 overlaps the interior wall board 23 in the depth direction X3. The interior wall board 23 is fixed to the protruding portion 70 by driving a first fixing member 72 that penetrates the interior wall board 23 into the protruding portion 70.

[0065] According to this configuration, the interior wall board 23 is fixed to the protruding portion 70 by the first fixing member 72. In the window frame 50, the protruding portion 70 is connected to the frame portion 60 by the support portion 80, so that deformation of the protruding portion 70 can be suppressed when the first fixing member 72 is driven into the protruding portion 70.

[0066] (1-8) The building 10 further includes an attachment portion 41 of the shading member 40 that is positioned inside the room relative to the window 30. The attachment portion 41 is attached to the inner surface 65 of the frame portion 60. The attachment portion 41 overlaps with the protrusion 70 of the window frame 50 in the depth direction X3.

[0067] According to this configuration, the mounting portion 41 of the light blocking member 40 overlaps with the protruding portion 70 in the depth direction X3, so that the mounting portion 41 of the light blocking member 40 is difficult to see when the window 30 is viewed from inside the room. This allows for an improved design around the window 30.

[0068] (1-9) The light blocking member 40 includes a roller blind. With this configuration, the roller blind attachment portion 41 can be made less visible when looking at the window 30 from inside the room.

[0069] Second Embodiment A building 10 and a window frame 50 according to the second embodiment will be described with reference to Figures 3 and 8. In this embodiment, components that are substantially unchanged from those in the first embodiment are given the same reference numerals as those in the first embodiment, and descriptions thereof will be omitted.

[0070] As shown in Fig. 8, the protrusion 70 of this embodiment has a second protrusion 75 in addition to or instead of the first protrusion 71. The second protrusion 75 protrudes in a direction from one side of the second frame portion 62 toward the other side of the second frame portion 62. The second receiving portion 92 of this embodiment protrudes toward the interior of the room from an inner end 74 of the second protrusion 75 of the protrusion 70. The storage space 51 of this embodiment is surrounded by the second frame portion 62 of the frame portion 60 and the second protrusion 75 of the protrusion 70.

[0071] The light blocking member 40 of this embodiment includes, for example, a curtain. A curtain fabric as the light blocking portion 42 is attached to the attachment portion 41 of this embodiment.

[0072] <Operation of this embodiment> In this embodiment, a storage space 51 is provided on the side of the window 30. The storage space 51 of this embodiment can be used as a curtain catcher for the light-blocking member 40. The second protrusion 75 makes it difficult to see the curtain in the storage space 51 from inside the room.

[0073] <Effects of this embodiment> The effects of this embodiment will be described. (2-1) The frame portion 60 has two second frame portions 62 that are arranged on the respective side edges of the opening 26 when the window frame 50 is provided in the opening 26. The protrusion 70 has a second protrusion 75 that protrudes from one of the second frame portions 62 toward the other of the second frame portions 62.

[0074] According to this configuration, the second protrusion 75 can hide the vicinity of the inner surface 65 of the second frame portion 62. Therefore, when the light-blocking member 40 is attached to the inner surface 65 of the first frame portion 61, the side edges of the light-blocking member 40 and the curtain pool of the light-blocking member 40 can be hidden.

[0075] <Modification> The above-described embodiments are examples of possible forms of the building 10 and the window frame 50, and are not intended to limit the forms. The building 10 and the window frame 50 may take forms different from those illustrated in the above-described embodiments. Examples of such forms include forms in which part of the configuration of each embodiment is replaced, modified, or omitted, or forms in which a new configuration is added to the embodiment. Modifications of each embodiment are shown below.

[0076] In each embodiment, the shaft member 21 is made of steel, but the shaft member 21 may be made of wood.

[0077] The window 30 does not have to be a fixed window, but may be a vertical sliding window, a horizontal sliding window, a double sliding window, or the like.

[0078] The shading member 40 may include a blind. The shading portion 42 of the shading member 40 of this modified example has a plurality of blades. The plurality of blades serving as the shading portion 42 are attached to the attachment portion 41 of the shading member 40. The attachment portion 41 has a storage portion capable of storing the plurality of blades serving as the shading portion 42. According to this modified example, the attachment portion 41 of the blind can be made less visible when looking at the window 30 from inside the room.

[0079] In the first embodiment, the light blocking member 40 may include a curtain. In the second embodiment, the light blocking member 40 may include a roller blind.

[0080] Although each of the embodiments has shown an example in which the window frame 50 is made of wood, the window frame 50 may be made of steel such as iron, steel, or stainless steel, or aluminum.

[0081] The mounting portion 41 of the light blocking member 40 may be omitted from the window frame 50.

[0082] The configuration of the support portion 80 is not limited as long as it can be connected to the exterior side surface 73 of the protrusion 70 and the interior side surface 65 of the frame portion 60. In the embodiment, the support portion 80 is formed of a plate-like member having an L-shaped cross section, but the support portion 80 may be formed of a support post. For example, one end of the support post serving as the support portion 80 is connected to the exterior side surface 73 of the protrusion 70, and the other end of the support post serving as the support portion 80 is connected to the interior side surface 65 of the frame portion 60.

[0083] The protrusion 70 may have a third protrusion that protrudes upward from the third frame portion 63. Such a third protrusion can hide the lower end of the light-shielding portion 42 of the light-shielding member 40 when the window 30 is viewed from inside the room.

[0084] The present specification discloses the following techniques. [Appendix 1] A window frame installed in an opening in a wall, comprising: a frame portion that is placed on the edge of the opening; a protruding portion that protrudes inward from the indoor end of the frame portion on the indoor side of the wall toward the inside of the frame portion; and a support portion that connects the outdoor side of the protruding portion facing the outside of the room and the indoor side of the frame portion facing inward.

[0085] [Appendix 2] A window frame as described in Appendix 1, further comprising a receiving portion for supporting the end of the interior wall board that constitutes the interior surface of the wall, and at least a portion of the receiving portion protruding toward the interior of the room from the inner end of the protruding portion in the inward direction.

[0086] [Appendix 3] A window frame as described in Appendix 1, wherein the frame portion has a first frame portion that is positioned on the upper edge of the opening when the window frame is installed in the opening, and the protrusion portion has a first protrusion portion that protrudes downward from the first frame portion.

[0087] [Appendix 4] A window frame as described in Appendix 1, wherein the frame portion has two second frame portions arranged on each side edge of the opening when the window frame is installed in the opening, and the protrusion portion has a second protrusion portion protruding in a direction from one of the second frame portions toward the other of the second frame portions.

[0088] [Appendix 5] A building having an interior space, the building comprising a wall between the interior and exterior of the building, a window provided in the wall, and a window frame according to any one of appendices 1 to 4.

[0089] [Appendix 6] The building described in Appendix 5, wherein the wall has an axis member, an exterior wall panel fixed to the axis member, and an interior wall board positioned inside the room relative to the axis member, the window has a window frame fixed to the wall and a transparent material attached to the window frame, and at least a portion of the frame portion of the window frame is positioned between the interior wall board and the window frame in the depth direction from inside the room toward the outside.

[0090] [Appendix 7] 7. The building described in Appendix 6, wherein the frame portion of the window frame is positioned along the window frame of the window.

[0091] [Appendix 8] The building described in Appendix 6, wherein the protrusion of the window frame overlaps with the interior wall board in the depth direction, and the interior wall board is fixed to the protrusion by driving a fixing member that penetrates the interior wall board into the protrusion.

[0092] [Appendix 9] The building described in Appendix 6 further comprises an attachment portion for a shading member that is positioned inside the room relative to the window, the attachment portion being attached to the inner surface of the frame portion, and the attachment portion overlapping with the protruding portion of the window frame in the depth direction.

[0093] [Appendix 10] The building described in Appendix 9, wherein the shading member includes one of a roller blind, a blind, and a curtain. [Explanation of symbols]

[0094] 10...building, 20...wall, 21...axis member, 22...exterior wall panel, 23...interior wall board, 26...opening, 30...window, 31...window frame, 32...transparent material, 40...light-blocking member, 41...mounting portion, 50...window frame, 60...frame portion, 61...first frame portion, 62...second frame portion, 64...indoor end portion, 65...inner surface, 70...protrusion, 71...first protrusion, 72...first fixing member, 73...outdoor surface, 74...inner end portion, 75...second protrusion, 80...support portion, 90...receiving portion.

Claims

1. A window frame for an opening in a wall, a frame portion disposed on the edge of the opening; A protrusion portion of the frame portion protruding inward from an indoor end portion of the wall on the indoor side toward the inside of the frame portion; A support portion is provided which is connected to an exterior surface of the protruding portion facing the exterior side and an interior surface of the frame portion facing the interior side. Window frame.

2. The wall further includes a receiving portion for supporting an end portion of an interior wall board that constitutes the interior side surface of the wall, At least a portion of the receiving portion protrudes into the room from an inner end portion of the protruding portion in the inner direction.

10. The window frame of claim 1.

3. the frame portion has a first frame portion that is disposed on an upper edge of the opening in a state where the window frame is provided in the opening, The protruding portion includes a first protruding portion that protrudes downward from the first frame portion.

10. The window frame of claim 1.

4. the frame portion has two second frame portions disposed on the respective side edges of the opening when the window frame is provided in the opening, the protruding portion includes a second protruding portion protruding in a direction from one side of the second frame portion toward the other side of the second frame portion; 10. The window frame of claim 1.

5. A building having an interior space, A wall provided between the inside and outside of the room; a window provided in the wall; The window frame according to any one of claims 1 to 4, architecture.

6. The wall includes an axis member, an exterior wall panel fixed to the axis member, and an interior wall board disposed on the interior side of the axis member, the window has a window frame fixed to the wall and a transparent material attached to the window frame; At least a part of the frame portion of the window frame is disposed between the interior wall board and the window frame in a depth direction from the inside of the room toward the outside of the room. The building according to claim 5.

7. The frame portion of the window frame is arranged along the window frame of the window. The building according to claim 6.

8. The protruding portion of the window frame overlaps the interior wall board in the depth direction, The interior wall board is fixed to the protrusion by driving a fixing member that penetrates the interior wall board into the protrusion. The building according to claim 6.

9. Further, a mounting portion for a light blocking member is provided which is disposed on the indoor side of the window, the mounting portion is attached to the inner surface of the frame portion, The mounting portion overlaps with the protruding portion of the window frame in the depth direction. The building according to claim 6.

10. The light blocking member includes one of a roller blind, a blind, and a curtain. The building according to claim 9.

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