Window frame

Abstract

To provide a window frame body to which lower frames of different shapes can be assembled. [Solution] A window frame body 100, 200 is comprised of an upper frame 2, left and right vertical frames 3, and one of a plurality of lower frames having different shapes, and is placed on an opening edge 90 of a building 9, and the plurality of lower frames 1, 101 having different shapes can all be assembled to the left and right vertical frames 3. This makes it possible to manufacture window frame bodies 100 and 200 with different shapes by replacing only the lower frames, allowing for standardization of processing and reducing equipment costs.

Description

[Technical Field]

[0001] The present disclosure relates to a window frame. [Background technology]

[0002] For window frames in conventional buildings, aluminum sashes or aluminum-resin composite sashes have been used for reasons such as strength, thermal insulation, moisture-proofing performance, and freedom of design (see, for example, Patent Document 1). In cold regions, resin sashes are widely used for window frames in buildings. Resin sashes have high thermal insulation and moisture-proofing performance. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2017-222991 Summary of the Invention [Problem to be solved by the invention]

[0004] However, because resin sashes shrink more than aluminum sashes, they must be partially welded together to prevent dew leakage. Therefore, compared to aluminum sashes and aluminum-resin composite sashes, resin sashes have many restrictions on size and type, and each sash standard is generally designed specifically for it. [Means for solving the problem]

[0005] The present disclosure provides a window frame body that is configured to include an upper frame, left and right vertical frames, and one of a plurality of lower frames having different shapes, and is placed at the edge of an opening in a building, and wherein all of the plurality of lower frames having different shapes can be assembled to the left and right vertical frames. [Brief explanation of the drawings]

[0006] [Figure 1A]1 is a vertical cross-sectional view of a window frame and a shoji screen according to a first embodiment of the present disclosure. [Figure 1B] 1 is a horizontal cross-sectional view of a window frame and a shoji screen according to a first embodiment of the present disclosure. [Figure 2] FIG. 10 is a view showing a first member holding a second member made of resin according to the present disclosure. [Figure 3A] FIG. 10 is a vertical cross-sectional view of a window frame and a shoji screen according to a second embodiment of the present disclosure. [Figure 3B] FIG. 10 is a horizontal cross-sectional view of a window frame and a shoji screen according to a second embodiment of the present disclosure. [Figure 4A] FIG. 10 is a diagram showing tapping hole positions of the window frame body of the present disclosure. [Figure 4B] FIG. 10 is a diagram showing the positions of tapping holes in a conventional aluminum-resin composite window frame. [Figure 5A] 1 is a vertical cross-sectional view of a window frame body according to a first embodiment of the present disclosure. FIG. [Figure 5B] FIG. 1 is a vertical cross-sectional view of a conventional aluminum-resin composite window frame. DETAILED DESCRIPTION OF THE INVENTION

[0007] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings, but the present disclosure is not limited thereto.

[0008] First Embodiment A window frame 100 according to the first embodiment of the present disclosure is arranged on an opening edge 90 of a building 9, and is configured to have a framed lower frame 1, an upper frame 2, and left and right vertical frames 3. The window frame 100 is attached to a main body 91 of the building 9 at the opening edge 90 of the building 9, and forms an opening in the building 9.

[0009] As shown in Figures 1A and 1B, the window frame 100 holds a pair of sliding shoji screens 4 within the frame. The pair of shoji screens 4 are surface materials attached to the window frame 100 so that they can be opened and closed, and are composed of an outer shoji screen 4A on the outside of the room and an inner shoji screen 4B on the inside of the room. Each shoji screen is composed of a bottom frame, an upper frame, a pair of vertical frames, and a glass panel 41 fitted inside the frame that frames these frames. The window can be opened and closed by sliding the pair of shoji screens 4 horizontally. The window frame 100 may also be used for windows and doors other than sliding windows.

[0010] The lower frame 1 is composed of a window rail 5, a resin second member 6 that supports the window rail 5, and a first member 7 that holds the second member 6. The window rail 5 has a pair of rails: an outer rail 5A for an outer shoji screen 4A that is placed on the outdoor side of the building 9, and an inner rail 5B for an inner shoji screen 4B that is placed on the indoor side of the building 9. The upper frame 2 has a window rail 21 that includes an outer rail 21A that is placed opposite the outer rail 5A, and an inner rail 21B that is placed opposite the inner rail 5B. The shoji screen 4 slides along the window rail 5 and the window rail 21.

[0011] The second member 6 has a pair of support parts 61 that support the window rail 5, a held part 62 that is held and fixed to the first member 7, and a resin cover 63 that is arranged between the pair of support parts 61. The held part 62 has engagement parts 62A to 62D that engage with the first member 7 and the resin cover 63, and is arranged so as to engage with the first member 7 and the resin cover 63 at the engagement parts 62A to 62D.

[0012] The second member 6 is made of resin. By using resin, which has lower thermal conductivity than aluminum, for the sill 1, the heat insulating performance of the window frame 100 is improved, and the indoor temperature of the building 9 can be maintained at an appropriate level.

[0013] The supporting portion 61 and the held portion 62 are configured to have a hollow structure inside. This creates an air layer in the resin, further improving the heat insulation of the window frame 100. The hollow structure may be configured with partitions in the hollow portions so that there are multiple hollow portions. By having partitions that form a framework in the hollow portions, the strength of the second member 6 is improved.

[0014] 2, the held portion 62 has protruding portions 62F to 62I that protrude toward the first member 7, and the protruding portions 62F to 62I and engaging portions 62A to 62D, which will be described later, come into contact with the first member 7. By reducing the contact area with the aluminum portion of the first member 7, the amount of heat transfer between the first member 7 and the held portion 62 is reduced.

[0015] Resin cover 63 has cover portion 63A that covers the space between the pair of support portions 61, and protruding portions 63B to 63D that protrude toward held portion 62. Resin cover 63 comes into contact with held portion 62 at protruding portions 63B to 63D, forming a space between cover portion 63A and held portion 62. This further improves heat insulation performance.

[0016] The first member 7 is made of an aluminum member and has a drainage surface 71 that is inclined to allow droplets to be drained toward the exterior of the building 9, and a pair of rising walls 72 that extend in the same direction as the lower frame and rise upward from the drainage surface 71. The drainage surface 71 serves as a tray for dew and other liquids that hang down from the surfaces of the vertical frame 3 and window 4. The upper end portion of the rising wall 72A on the exterior side may be used as a rail for a screen door.

[0017] The first member 7 has engagement portions 73A to 73D that engage with the second member 6 in a portion surrounded on three sides by the outdoor-side rising wall 72A, the drainage surface 71, and the indoor-side rising wall 72B, and the engagement portions 73A to 73D engage with the engagement portions 62A to 62D of the second member 6. Furthermore, the two may be fixed at fixing portions 65 and 76 with fasteners 8 such as screws. That is, at least a portion of the second member 6 is held between the outdoor-side rising wall 72A and the outdoor-side rising wall 72B.

[0018] The first member 7 is further made of resin and has a bridge portion 74 that divides and connects the aluminum member into an indoor side and an outdoor side. In other words, the drainage surface 71 is made up of an outdoor side portion 7A and an indoor side portion 7B, both made of aluminum, and the bridge portion 74. This allows the resin bridge portion 74 to block heat transfer between indoors and outdoors, improving the insulating performance of the window frame 100.

[0019] 2, the bridge portion 74 engages and connects the outdoor side portion 7A and the indoor side portion 7B, respectively. The connection is not limited to engagement, and may be made by other methods such as adhesion as long as the insulation between the indoor and outdoor portions can be ensured.

[0020] The drainage surface 71 has an upper surface that slopes toward the outdoor side of the building 9, and is configured to allow liquid droplets to be drained outdoors. The sloped portion of the upper surface of the drainage surface 71 may have a horizontal portion midway as long as it allows liquid droplets to be drained outdoors. The rising wall 72 on the outdoor side has holes (not shown) near the drainage surface 71, and liquid droplets such as dew can be drained through the holes.

[0021] Resin window frames used in cold climates tend to have components that expand and contract easily due to temperature changes. Therefore, if the components are not welded together, dew and rainwater can seep into the gaps between the components, causing water leakage. The drainage surface 71 of the window frame 100 of this embodiment is made of aluminum, so it is less affected by expansion and contraction. Even if the resin second component 6 expands and contracts, dew and rainwater that has flowed into the drainage surface 71 through the gaps can be drained, preventing water leakage.

[0022] Therefore, the aluminum-resin composite window frame 100, which has a resin second member 6 and an aluminum drainage surface 71, has excellent heat insulation and moisture-proofing properties and a low risk of water leakage. Furthermore, since it does not have a welded structure, there is a high degree of freedom in design. Because the window frame 100 has high heat insulation and moisture-proofing properties, it can be used in cold regions, improving the degree of freedom in designing window frames in cold regions.

[0023] 1 and other figures, the first member 7 has tapping holes 75 for assembly with the vertical frame 3. That is, the lower frame 1 and the vertical frame 3 are assembled via the tapping holes 75 with fasteners 8 such as screws.

[0024] In addition to the above, the lower frame 1 may be configured, for example, by replacing the first member made of resin with a second member made of aluminum held on top of the first member 7. In this case, the window frame body can be made to have high strength. Note that even when a second member made of aluminum is used, the heat insulation and moisture prevention performance can be improved by also using a resin cover or the like.

[0025] Furthermore, the bridge portion 74 may be positioned on the outdoor side of the main body 91 of the building 9. This prevents the outdoor side portion 7A of the first member, which is greatly affected by the outdoor temperature, from entering the building 9, improving the heat insulation between the indoors and outdoors of the building 9 and further improving the heat insulation performance.

[0026] The first embodiment of the present disclosure has been described above.

[0027] Second Embodiment Next, a second embodiment of the present disclosure will be described. A window frame body 200 according to the second embodiment of the present disclosure differs from the window frame body 100 according to the first embodiment in the shape of the lower frame.

[0028] 3A and 3B is mainly made of aluminum members, and does not have a resin second member supporting two window rails like the window frame 100 according to the first embodiment. Furthermore, the top surface of the aluminum first member 107 is not angled toward the exterior of the building 9 to allow for drainage, and part of the first member 107 forms the outdoor-side window rail 105A.

[0029] The lower frame 101 of the window frame body 200 shown in Figures 3A and 3B is composed of a first member 107 made of an aluminum member, a second member 106 made of resin that supports only the window rail 105B on the indoor side of the building 9, cover members 163, 164, and a bridge portion 174.

[0030] The lower frame 101 is made up of a larger proportion of aluminum members than the lower frame 1 according to the first embodiment shown in Figure 1A, giving it high strength. The lower frame 101 does not have a second resin member that supports two window rails, as does the lower frame 1. Furthermore, the top surface of the first member 107 is not inclined toward the exterior of the building 9 to allow for drainage, and a portion of the first member 107 forms the outdoor window rail 105A.

[0031] The second embodiment of the present disclosure has been described above.

[0032] Between the lower frames 1 and 101 having different shapes as shown in the first and second embodiments, when the lower frame is assembled to the vertical frame 3, the positions of the tapping holes 75, 175 relative to the vertical frame 3 are standardized. In other words, when the lower frame is assembled to the vertical frame 3, the positions of the tapping holes 75, 175 relative to the vertical frame 3 are standardized to be the same.

[0033] For example, Fig. 4A shows the sill 1 for the window frame 100 of this embodiment, and Fig. 4B shows the sill 101 for a conventional aluminum-resin composite window frame 200. The sill 101 is composed of an outdoor-side section 107A and an indoor-side section 107B made of aluminum, a resin member 106, a window rail 105, a bridge section 174 made of resin, and tapping holes 175. The bridge section 174 connects the outdoor-side section 107A and the indoor-side section 107B. The sill 101 has engaging sections 173A-173C on its upper surface, which can be engaged with and positioned to accommodate a resin cover (not shown). In Figs. 6A and 6B, d1 and d2 represent horizontal distances, and h1 and h2 represent vertical heights. The relative positions of the three tapping holes 75 and 175 are the same between the two.

[0034] Therefore, either sill can be used for the same vertical frame 3. Both the window frame body 100 and the window frame body 200 according to the above embodiments can be manufactured by replacing only the sill, so when manufacturing both the window frame body 100 and another window frame body that uses a sill that shares the same tapping hole positions as the sill body 1, such as the window frame body 200, it is possible to standardize the processing and reduce equipment costs.

[0035] As shown in Figures 5A and 5B, the lower frame 1 according to the first embodiment and the lower frame 101 according to the second embodiment can both be assembled to the vertical frame 3 and the upper frame 2 via tapping holes 75, 175.

[0036] The above has described the window frame bodies 100 and 200 of the first and second embodiments. The window frame bodies 100 and 200 have the following advantages.

[0037] The window frame bodies 100, 200 of this embodiment are configured to include an upper frame 2, left and right vertical frames 3, and one of a plurality of lower frames having different shapes, and are window frame bodies 100, 200 to be placed at the opening edge 90 of a building 9, and the plurality of lower frames 1, 101 having different shapes can all be assembled to the left and right vertical frames 3. As a result, both the window frame body 100 and the window frame body 200 according to the above embodiment can be manufactured by replacing only the lower frame, which allows for common processing and reduces equipment costs.

[0038] In the window frame 100, the sill 1 is configured with a first member 7 made of an aluminum member and a second member 6, the first member 7 having a pair of rising walls 72 on the indoor and outdoor sides that extend in the direction of extension of the sill 1 and rise upward from the first member 7, and at least a portion of the second member 6 is disposed between the pair of rising walls 72. This makes it possible to selectively improve the heat insulation and moisture prevention performance or strength depending on the application of the window frame.

[0039] In the window frame 100, the second member 6 is made of resin, which improves the heat insulating and moisture-proofing performance of the window frame.

[0040] In the window frame bodies 100, 200, each of the multiple bottom frames 1, 101 has tapping holes 75, 175 at the same positions relative to the left and right vertical frames 3 when assembled with the left and right vertical frames 3, and the multiple bottom frames 1, 101 and the left and right vertical frames 3 can both be assembled via the tapping holes 75, 175. This allows the processing of tapping holes to be standardized, reducing equipment costs.

[0041] The present disclosure is not limited to the first and second embodiments described above, and may be, for example, a window frame having a lower frame that can be assembled with the same vertical and upper frames in three or more embodiments. Furthermore, appropriate improvements and modifications of these embodiments are also included in the present disclosure. [Explanation of symbols]

[0042] 1,101,...lower frame, 2...upper frame, 21,21A,21B...window rail, 3...vertical frame, 4,4A,4B...shoji screen, 5,5A,5B,105A,105B...window rail, 6,106...second member, 61...supporting portion, 62,162...held portion, 62A to 62E,162A to 162E...engaging portion, 62F to 62I,162F to 162H...protruding portion, 63,163...resin cover, 63A,163A...cover portion, 63B to 63D,163C...protruding portion, 163B,163D...engaging portion, 64,164...resin cover , 64A, 164A...cover portion, 64B, 64C...protruding portion, 164B, 164C...engaging portion, 65...fixing portion, 7, 7A, 7B, 107, 107A, 107B...first member, 71...drainage surface, 72, 72A, 72B...rising wall, 73A to 73C, 173A to 173C...engaging portion, 74, 174...bridge portion, 75, 75A to 75C, 175, 175A to 175C...tapping hole, 76...fixing portion, 8...fastener, 9...building, 90...opening edge portion, 91...structure, 100, 200...window frame body

Claims

1. It is composed of an upper frame, left and right vertical frames, and a lower frame, and has two shoji screens with facing materials housed within the frame that is placed in the opening of a building. The aforementioned lower frame consists of an aluminum outdoor side portion and an aluminum indoor side portion, which are arranged separately on the outdoor side and indoor side in the depth direction. A bridge section connecting the aforementioned outdoor side and the aforementioned indoor side, The resin part has an outer rail component that protrudes toward the inner circumference of the opening above the outdoor side and an inner rail component that protrudes toward the inner circumference of the opening above the indoor side, The bridge portion is a window positioned between the outer rail component and the inner rail component.

2. The window according to claim 1, wherein the outer rail component is provided with an outer rail, and the inner rail component is provided with an inner rail.

3. The window according to claim 1 or 2, wherein the resin part covers the bridge part.

4. The resin portion is arranged such that the height of the upper end of the outer rail component and the inner rail component are the same. The window according to any one of claims 1 to 3, wherein the upper surface corresponding to the outer rail component on the outdoor side is positioned lower than the upper surface corresponding to the inner rail component on the indoor side.

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