Eaves structure, and eaves system

The eave structure with a cover material protruding beyond the exterior wall addresses the issue of rainwater drainage, improving waterproofing and aesthetics by directing rainwater away from the wall and hiding fastening elements.

JP2025187322AActive Publication Date: 2025-12-25NIPPON STEEL & SUMIKIN ENGINEERING CO LTD
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Patent Information

Application Number
JP2024096009
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-12-25
Estimated Expiration
2044-06-13

AI Technical Summary

Technical Problem

Existing eave structures do not effectively drain rainwater outside the exterior wall, leading to difficulties in achieving waterproofing and requiring additional sealing measures.

Method used

A cover material is used to cover the space between the eaves and an opening, protruding beyond the exterior wall, with attachment points to the steel building component, allowing rainwater to flow outside and eliminating the need for direct sealing.

Benefits of technology

This configuration facilitates easier and more durable waterproofing by directing rainwater away from the exterior wall, reducing the need for caulking and enhancing aesthetic appearance by hiding fastening members.

✦ Generated by Eureka AI based on patent content.

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Abstract

To facilitate flashing between an outer wall above an eaves and the eaves.SOLUTION: An eaves structure 1 includes a cover material 2 covering between an eaves 50 overhanging to an outdoor side of an outer wall 70, and an opening 71 positioned below the eaves 50, wherein the cover material 2 has a mounting part 21A which projects to the outdoor side of the outer wall 70, and allows the eaves 50 to be mounted thereon.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to a canopy structure and a canopy system. [Background technology]

[0002] Traditionally, eaves, which are small roofs that provide shade and protection from rain, have been installed on the exterior walls of houses, etc. When installing eaves, additional components may be attached to improve the aesthetic appearance and to prevent problems such as leaks caused by their installation. For example, Patent Document 1 discloses an adjustment material located under the eaves installed at the entrance of a house. The adjustment material forms part of the exterior wall while unifying the design of the sash window frame located above the eaves and the entrance sash located below the eaves.

[0003] Patent Document 2 discloses an opening frame that is attached to the edge of a rectangular opening in an exterior wall so that it does not protrude from the surface of the exterior wall and is attached to the opening edge in a watertight manner. Eaves that protrude outdoors can be attached to the opening frame. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Utility Model Application Publication No. 6-67655 [Patent Document 2] Japanese Patent Application Laid-Open No. 2002-242537 Summary of the Invention [Problem to be solved by the invention]

[0005] However, the structures described in Patent Documents 1 and 2 are not configured to actively drain rainwater outside the exterior wall, and there is room for improvement, such as the inability to easily perform rainproofing.

[0006] Therefore, an object of the present invention is to provide an eave structure and an eave system that can facilitate waterproofing between the exterior wall above the eave and the eave. [Means for solving the problem]

[0007] [1] One aspect of the eaves structure of the present invention is a eaves structure having a cover material that covers the space between the eaves that protrude outdoors beyond the exterior wall and an opening located below the eaves, wherein the cover material protrudes outdoors beyond the exterior wall and has an attachment portion to which the eaves can be attached.

[0008] [2] In the above [1], it is preferable that the cover material is sandwiched between the eaves and the steel building component, and the steel building component is positioned above the opening and is provided on the exterior wall.

[0009] [3] In the above [2], it is preferable that the steel building component protrudes toward the exterior side beyond the exterior wall.

[0010] [4] In the above [3], it is preferable that the first part, which is the part of the cover material that is sandwiched between the eave and the steel building component, is provided with a first hole through which a first fastening member for attaching the cover material to the steel building component is inserted.

[0011] [5] In the above [4], it is preferable that a second part of the cover material, which is below the first part, is provided with a second hole through which a second fastening member is inserted to attach the cover material to a steel material, and the steel material is provided below the steel building component.

[0012] [6] In the above item [5], it is preferable that the second hole overlaps with a horizontal gutter provided under the eaves when viewed along the direction in which the eaves extend.

[0013] [7] In any of the above [2] to [6], it is preferable that both longitudinal ends of the cover material are folded, and the folded portions of the cover material overlap the steel building component when viewed along the longitudinal direction.

[0014] [8] In the above [7], it is preferable that the surface of the outer wall is wavy with peaks and valleys, and the positions of the folded portions of the cover material correspond to the positions of the valleys.

[0015] [9] In any of the above [2] to [6], it is preferable that a furring strip is provided between the steel building component and the opening, and that the cover material covers the furring strip when viewed along the direction in which the eaves extend.

[0016]

[10] One aspect of the present invention is an eaves system comprising an eaves extending outdoors beyond an exterior wall, and a covering material covering the space between the eaves and an opening located below the eaves, wherein the covering material extends outdoors beyond the exterior wall and is capable of attaching the eaves. [Effects of the Invention]

[0017] According to the present invention, the covering material protrudes outside beyond the exterior wall, so that rainwater running down the exterior wall flows outside via the covering material. This eliminates the need for waterproof sealing such as caulking, which is required when, for example, eaves are installed directly on the exterior wall, and makes it easier to waterproof the area between the exterior wall above the eaves and the eaves. [Brief explanation of the drawings]

[0018] [Figure 1] 1 is a perspective view of a canopy system according to a first embodiment of the present invention. FIG. [Figure 2] 1 is a cross-sectional view of a canopy system according to a first embodiment of the present invention. [Figure 3] 1 is a perspective view of a cover material of an eave structure according to a first embodiment of the present invention. FIG. [Figure 4]FIG. 10 is a perspective view of a canopy system according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0019] [First embodiment] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this specification and drawings, components having substantially the same functional configurations are designated by the same reference numerals, and redundant description will be omitted.

[0020] Fig. 1 is a perspective view of a eaves system 100 according to a first embodiment of the present invention. As shown in Fig. 1, the eaves system 100 of this embodiment comprises eaves 50 that protrude outdoors beyond the exterior wall 70 of a house, for example, and an eaves structure 1 for attaching the eaves 50 to the exterior wall 70. An opening 71 is formed in the exterior wall 70 to which a window or door or the like can be attached, and the eaves 50 is provided above the opening 71.

[0021] First, we will explain the exterior wall 70 and furring strips 72 to which the eaves 50 are attached. As shown in Figure 2, the exterior wall 70 is attached to the furring strips 72, and the multiple furring strips 72 are supported by a predetermined frame or columnar member (not shown). The furring strips 72 are horizontally extending base members. In this embodiment, the furring strips 72 are made of square steel pipes, but are not limited to this and may also be made of wood or other materials. The exterior wall 70 is a corrugated steel siding having peaks 74 and valleys 75. The peaks 74 are portions of the exterior wall 70 that are convex toward the exterior, and the valleys 75 are portions that are recessed relative to the peaks 74. The exterior wall 70 is fixed to the furring strips 72 at the valleys 75 with fastening members 90 such as drill screws. The exterior wall 70 is not limited to steel siding, and may be siding made of other materials such as resin, mortar, or an ALC panel.

[0022] An opening 71 formed in the exterior wall 70 has, for example, a rectangular shape, and is fitted with a window or door (not shown). The periphery of the opening 71 may be appropriately reinforced with other base members.

[0023] Next, we will explain the eaves 50. The eaves 50 is a small roof for sun and rain protection, and has an eaves main body 51 and a bracket portion 52. The eaves main body 51 is a plate-like member formed from a metal such as aluminum. The shape of the eaves main body 51 is, for example, rectangular, and includes a linear portion that runs along the exterior wall 70. The width of the eaves main body 51 (the width along the surface and horizontal direction of the exterior wall 70) can be selected appropriately according to the width of the opening 71.

[0024] The bracket portion 52 is a member for fixing the eaves main body 51 to the object to be attached (in this embodiment, the cover material 2 and steel building component 3 described later), and has a gripping portion 53 that grips the eaves main body 51 and a fixing portion 54 that is fixed to the object to be attached. The end of the eaves main body 51 is inserted into the gripping portion 53. The eaves main body 51 is fixed to the gripping portion 53 by fastening members 91 such as bolts and nuts that pass through the gripping portion 53 and the eaves main body 51. The fixing portion 54 is connected to the gripping portion 53 and has a contact surface 54A that comes into surface contact with an object to which the fixing portion 54 is to be attached. A part of the gripping portion 53 and the fixing portion 54 may be connected by a snap fit 55.

[0025] A cover 56 can be attached around the base of the canopy 50. A seal can be applied between the cover 56 and the bracket portion 52 as appropriate. The configuration of the canopy 50 is not limited to that described above, and it is sufficient if it functions as a canopy and can be fixed to the object to which it is attached. For example, the canopy main body 51 and the bracket portion 52 may be integrated.

[0026] Next, we will explain the connection structure between the exterior wall 70 and the eaves 50. The eaves 50 is not fixed directly to the exterior wall 70, but is fixed to the exterior wall 70 via the eaves structure 1. The eaves structure 1 of this embodiment has a cover material 2, a steel building component 3 fixed to a furring strip 72, and a steel material 4 provided on the underside of the steel building component 3.

[0027] Rectangular holes 76 are formed in the exterior wall 70 for attaching the steel building components 3. In other words, the steel building components 3 are fixed to the furring strips 72 so as to protrude to the outdoors through the rectangular holes 76.

[0028] The steel building component 3 is positioned above the opening 71 and is installed so as to be supported on the exterior wall 70 via furring strips 72. The steel building component 3 has through holes 32 formed therein for fixing the eaves 50, and the eaves 50 are fixed with first fastening members 92. Fixing the eaves 50 via the steel building component 3 improves workability. The steel building component 3 is arranged to extend horizontally along the surface of the exterior wall 70, and is fixed to the furring strips 72 so that a portion of it protrudes outdoors beyond the surface (ridges 74) of the exterior wall 70. The steel building component 3 of this embodiment is formed from a channel steel with a C-shaped cross section, and is arranged so that the flat surface 31 of the web 3A is parallel to the surface of the exterior wall 70, and the flange 3B is fixed to the furring strips 72. The steel building component 3 is not limited to a channel steel, and may be, for example, a square steel pipe.

[0029] The steel building component 3 is fixed to each of the upper furring strips 72A and the lower furring strips 72B with fastening members (not shown) such as bolts. The method of fixing the steel building component 3 to the furring strips 72 is not limited to this, and welding may also be used. Note that the upper furring strips 72A are not essential, but the lower furring strips 72B are essential, for example, to attach a door to the opening 71. In other words, the furring strips 72 are always provided between the steel building component 3 and the opening 71.

[0030] The steel material 4 has the function of extending the flat surface 31 of the steel building component 3 downward to support the cover material 2, and has a first surface 41 that is positioned on the same plane as the flat surface 31 of the steel building component 3 and to which the cover material 2 is fixed, and a second surface 42 that is welded to the flange 3B of the steel building component 3. The steel material 4 can be formed from a steel plate with a thickness of 2 mm, for example. The configuration of the steel material 4 does not have to be as described above, as long as the first surface 41 can be positioned on the same plane as the flat surface 31 when attached to the underside of the steel building component 3.

[0031] The cover material 2 protrudes outdoors beyond the exterior wall 70 and is sandwiched between the eaves 50 and the steel building component 3, covering the area between the eaves 50 and the opening 71 as shown in Fig. 1. When viewed along the direction in which the eaves 50 extend (the direction extending outdoors), the cover material 2 is formed so as to cover the furring strips 72, more specifically, the lower furring strips 72B. In other words, the cover material 2 is sized to cover the steel building component 3 and the lower furring strips 72B. 3, the cover material 2 has a planar main panel 21, and both longitudinal ends of the main panel 21 are folded to form sub-panels 22. The cover material 2 is formed so that the width of the cover material 2 is approximately the same as the width of the canopy 50.

[0032] The cover material 2 can be formed, for example, from an aluminum steel plate (e.g., 2 mm thick). The first portion 21A of the cover material 2, which is the portion sandwiched between the eaves 50 and the steel building component 3, is provided with a first hole 23 through which a first fastening member 92, such as a bolt and nut, is inserted to attach the cover material 2 to the steel building component 3. The first portion 21A and the first hole 23 function as an attachment portion to which the eaves 50 can be attached. In this way, by providing the first hole 23 in the first portion 21A, the first hole 23 can be made less noticeable. Also, by inserting the first fastening member 92 into the base of the eaves and then further inserting the inserted first fastening member 92 into this first hole 23, the fit of the base of the eaves can be improved. As is also clear from Figure 2, the first fastening member 92 for fixing the eaves 50 to the cover material 2 is also used as the first fastening member 92 for fixing the cover material 2 to the steel building component 3. Furthermore, the bolt of the first fastening member 92 is inserted from the outdoor side, and the nut is tightened on the indoor side. In this way, even if the bolt is somewhat long, it can be fastened without interfering with other components, and the bolt length can be consolidated regardless of whether or not a cover material 2 is present. If the bolt is inserted from the indoor side, it becomes necessary to precisely determine the bolt length, taking into account interference between the bolt tip and the eaves main body 51.

[0033] A second portion 21B of the cover material 2 below the first portion 21A has a second hole 24 through which a second fastening member 93 (fastener) is inserted for attaching the cover material 2 to the steel material 4. The second portion 21B of the cover material 2 is fixed to the steel material 4 by the second fastening member 93. The second fastening member 93 may be a drill screw, or may be something other than a drill screw, such as a bolt or nut. By setting the thickness of the steel material 4 to about 2 mm, the second fastening member 93 can be a drill screw. If a drill screw is used, it is not necessary to form a second hole 24 in the cover material 2 before attaching the cover material 2 to the exterior wall 70. Furthermore, if a drill screw is used, the aesthetic appearance can be further improved.

[0034] The sub-panel 22, which is the folded portion of the covering material 2, overlaps with the steel building component 3 when viewed along the longitudinal direction of the covering material 2. This allows the steel building component 3 to be more securely hidden, improving the aesthetic appearance, even if the covering material 2 protrudes more from the exterior wall 70. Also, by preventing the steel building component 3 from being exposed to rain, it is possible to easily achieve weatherproofing and waterproofing. Furthermore, by covering the covering material 2 with the steel building component 3, the frequency of maintenance of the steel building component 3 can be reduced.

[0035] Furthermore, the covering material 2 is arranged so that the sub-panel 22 of the covering material 2 corresponds to the position of the valley portion 75 of the exterior wall 70. This reduces the gap between the covering material 2 and the exterior wall 70, allowing for more reliable weatherproofing.

[0036] Additionally, an upper drain 11 is attached to the top of the cover material 2 and the steel building component 3. The upper drain 11 is made of steel plate approximately 0.5 mm thick and is formed to a width corresponding to the cover material 2. The upper drain 11 is composed of an upper drain upper part 11A sandwiched between the exterior wall 70 and the furring strip 72, an upper drain middle part 11B that runs along the top surface of the steel building component 3, and a lower drain lower part 11C that is sandwiched between the cover material 2 and the steel building component 3, and has a lightning bolt-shaped cross section. In this way, by providing the top drain 11 so as to cover the steel building component 3, it is possible to easily waterproof the steel building component 3.

[0037] According to the eaves structure 1 of the first embodiment, the cover material 2 protrudes outdoors beyond the exterior wall 70, so that rainwater running down the exterior wall 70 flows outdoors via the cover material 2. This eliminates the need for watertight sealing such as caulking, which would be necessary if the eaves 50 were directly attached to the exterior wall 70, and makes it easier to provide waterproofing between the exterior wall 70 above the eaves 50 and the eaves 50. Furthermore, the durability of the waterproofing can be improved compared to sealing, which is prone to deterioration.

[0038] Furthermore, rainwater adhering to the cover material 2 is less likely to flow onto the outer wall 70 below the cover material 2, making it easy to achieve rainproofing. Furthermore, by attaching the eaves 50 to the exterior wall 70 via the cover material 2, workability and aesthetics can be improved even if the exterior wall 70 has peaks and valleys. In addition, by covering the area between the eaves 50 and the opening 71 with the cover material 2, the need to provide a vertically short exterior wall main body 73 between the lower end of the eaves 50 and the opening 71 can be reduced.

[0039] Furthermore, because the cover material 2 is sandwiched between the eaves 50 and the steel building component 3, it is possible to attach the cover material 2 and the eaves 50 to the steel building component 3 even if there are peaks and valleys in the exterior wall 70. Furthermore, by having the eaves mechanically supported by the steel building component 3, the details of the cover material 2 can be simplified. Furthermore, by covering the steel building component 3 with the cover material 2, the overall aesthetic appearance can be improved.

[0040] Furthermore, because the steel building components 3 protrude to the exterior, it is possible to reduce the need for caulking between the steel building components 3 and the exterior wall 70 below the steel building components 3. Even if caulking is required, it is possible to prevent the caulking from being exposed to direct sunlight, thereby suppressing deterioration of the caulking.

[0041] Furthermore, by fixing the second portion 21B, which is the lower portion of the cover material 2, it is possible to prevent the second portion 21B from flapping when the wind blows. Furthermore, since the second fastening member 93 is easily hidden in the shadow of the eaves 50, it is possible to reduce the possibility that the use of the second fastening member 93 will spoil the aesthetic appearance.

[0042] Second Embodiment Next, a description will be given of an eaves system 100A according to a second embodiment of the present invention. Fig. 4 is a perspective view of an eaves system 100A according to the second embodiment of the present invention. As shown in Figure 4, the eaves 50A of the second embodiment are what is called reverse slope eaves, in that the tip of the eaves is higher than the base of the eaves, whereas the eaves 50 of the first embodiment have the tip lower than the base of the eaves. The eaves 50A of this embodiment has a horizontal gutter 60, and rainwater is guided to the base of the eaves 50A and then led to the horizontal gutter 60. The eaves main body 51 may also be reinforced by an arm (not shown).

[0043] The horizontal gutter 60 is provided at the base of the eaves 50, below the eaves main body 51, and extends in the width direction of the eaves 50. A drop opening 61 is provided at a predetermined position of the horizontal gutter 60. To accommodate the increased weight due to the horizontal gutter 60, etc., the number of first fastening members 92 that secure the eaves 50A to the steel building component 3 is greater than in the first embodiment. To increase the number, the first holes 23 are formed in two rows in the vertical direction. The second hole 24 overlaps with a horizontal gutter 60 provided below the eaves 50 when viewed along the direction in which the eaves 50 extend.

[0044] According to the eaves system 100A of this embodiment, the use of the horizontal gutter 60 makes it easy to stop rain falling, and the horizontal gutter 60 can hide the second hole 24, improving the aesthetic appearance.

[0045] In the above-described embodiments, the eave structure 1 includes the steel material 4, but the steel material 4 is not necessarily required and can be omitted as appropriate depending on the required rigidity, etc. [Explanation of symbols]

[0046] 1...eaves structure, 2...covering material, 11...top drain, 21...main panel, 21A...first part (mounting part), 21B...second part, 22...sub-panel, 23...first hole (mounting part), 24...second hole, 3...steel building component, 4...steel, 41...first surface, 42...second surface, 50...eaves, 51...eaves main body, 52...bracket part, 53...gripping part, 54...fixing part, 54A...contact surface, 55...snap fit, 56...cover, 60...horizontal gutter, 70...exterior wall, 71...opening, 72...furring strip, 73...exterior wall main body, 74...peak part, 75...valley part, 76...rectangular hole, 90, 91...fastening member, 92...first fastening member, 93...second fastening member, 100...eaves system.

Claims

1. An eaves structure comprising a cover material covering a space between an eaves extending outside from an exterior wall and an opening located under the eaves, The cover material protrudes toward the exterior side beyond the exterior wall and has an attachment portion to which the eaves can be attached. A eaves structure characterized by:

2. The covering material is sandwiched between the eaves and the steel building member, The steel building member is located above the opening and is provided on the exterior wall. The canopy structure according to claim 1 .

3. The steel building component protrudes to the outside beyond the exterior wall. The canopy structure according to claim 2 .

4. The first portion, which is a portion of the cover material that is sandwiched between the eaves and the steel building component, is provided with a first hole through which a first fastening member for attaching the cover material to the steel building component is inserted. The canopy structure according to claim 3 .

5. a second hole through which a second fastening member for attaching the cover material to a steel material is inserted, the second hole being a portion of the cover material that is below the first portion; The steel material is provided under the steel building member, The canopy structure according to claim 4 .

6. The second hole overlaps with a horizontal gutter provided under the eave when viewed along the direction in which the eave extends. The canopy structure according to claim 5 .

7. Both ends of the cover material in the longitudinal direction are folded, The folded portion of the covering material overlaps with the steel building member when viewed along the longitudinal direction. The eave structure according to any one of claims 2 to 6.

8. the surface of the outer wall is wavy with peaks and valleys, The position of the folded portion of the cover material corresponds to the position of the valley portion. The canopy structure according to claim 7 .

9. A furring strip is provided between the steel building component and the opening, The cover material covers the furring strip when viewed along the direction in which the eaves extend. The eave structure according to any one of claims 2 to 6.

10. The eaves extend beyond the exterior wall to the outside, a cover material that covers the space between the eaves and the opening located under the eaves; A canopy system comprising: The covering material protrudes to the outdoor side beyond the exterior wall, and the eaves can be attached to the covering material. A canopy system characterized by:

Citation Information

Patent Citations

  • Rainwater capture structure for entrance canopy

    JP1994067655U

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