Structure
The drainage system in the carport structure allows for easy installation and adaptability by adjusting drainage direction, enhancing usability and proximity to property boundaries.
Patent Information
- Application Number
- JP2024117376
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2026-02-04
AI Technical Summary
Existing carport structures are not user-friendly in terms of ease of installation and adaptability to different construction site conditions.
The structure incorporates a drainage part with a main body, water drainage part, and blocking part, allowing the direction of drainage to be adjusted based on site conditions, using a drainage part with interchangeable outlets and a blocking mechanism.
Enables easy installation and adaptability by allowing the direction of drainage to be changed, facilitating close proximity to neighboring property boundaries while ensuring efficient rainwater drainage.
Smart Images

Figure 2026016888000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to structures such as carports. [Background technology]
[0002] BACKGROUND ART Carports and other structures that are installed on residential land have been known for some time. However, there is a demand for such structures to be easy to use. Summary of the Invention [Problem to be solved by the invention]
[0003] In view of the above-mentioned circumstances, an object of the present invention is to provide a structure that is easy to use. [Means for solving the problem]
[0004] In order to achieve the above object, the structure according to the invention described in claim 1 is provided with a drainage part, which has a main body, a water drainage part, and a blocking part, the main body has a water inlet through which rainwater flows in from above, and drainage outlets provided on one side and the other side opposite, the water drainage part is attached to one of the drainage outlets, and the blocking part blocks the other drainage outlet. [Effects of the Invention]
[0005] The structure according to the invention described in claim 1 is equipped with a drainage part, which has a main body, a water drainage part, and a blocking part, and the main body has a water inlet through which rainwater flows in from above, and drainage outlets on one side and the other side opposite it, and the water drainage part is attached to one of the drainage outlets, and the blocking part blocks the other drainage outlet, so that the direction of drainage can be changed depending on the conditions of the construction site, making it easy to use. [Brief explanation of the drawings]
[0006] [Figure 1] 1 is a front view showing an embodiment of a structure of the present invention. [Figure 2] FIG. [Figure 3] FIG. [Figure 4] FIG. 2 is a perspective view of the structure as seen from diagonally above. [Figure 5] FIG. 2 is a perspective view of the structure as seen from diagonally below. [Figure 6] 3 is a cross-sectional view taken along the line AA in FIG. 2. [Figure 7] 3 is a cross-sectional view of FIG. 2 taken along line B-B. [Figure 8] 7 is a cross-sectional view taken along CC in FIG. 6. [Figure 9] FIG. 2 is a cross-sectional view taken along the line DD in FIG. 1. [Figure 10] (a) is an enlarged front view of the lower part of the pillar, (b) is a side view of the same part, and (c) is an E-E cross-sectional view. [Figure 11-1] 10A and 10B are perspective views showing a procedure for attaching the drainage component. [Figure 11-2] 11-1 is a perspective view showing the procedure for attaching the drainage part. FIG. DETAILED DESCRIPTION OF THE INVENTION
[0007] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Figures 1 to 10 show one embodiment of a structural body of the present invention. This structural body is applied to a carport for one passenger car installed on the site of a house. As shown in Figures 1 to 5, this structure comprises two pillars 1, 1 erected on the left side when viewed from the front, spaced apart in the front-to-rear direction, two beams 2, 2 supported on the upper ends of the pillars 1, 1, respectively, and a roof 3 supported by the beams 2, 2. The roof 3 is sloped so that the left side where the pillar 1 is located is lower.
[0008] The pillar 1 is made of an extruded aluminum alloy material and is hollow and has a roughly rectangular cross section, as shown in Fig. 8. The front and rear facing surfaces 1a and 1b of the pillar 1 extend outward beyond the outer facing surface 1c, and a batten 9 is fitted between the edges to form a vertical gutter 10 integral with the pillar 1 as a drainage path for carrying rainwater from the roof 3 down to the ground. As shown in Figure 1, the bottom of the pillar 1 is inserted into a foundation hole 11 formed in the ground G, and concrete 12 is packed around the pillar 1. In order to install this structure near the boundary 13 between neighboring properties, the foundation hole 11 is provided right next to the boundary 13, and the pillar 1 is positioned eccentrically toward the boundary 13. As shown in Figures 1 and 9, a concrete block 27 is provided on the ground G on the site side of the boundary 13 along the boundary 13, and the pillar 1 is in close proximity to the concrete block 27.
[0009] As shown in FIG. 7, the beam 2 is also formed from an extruded aluminum alloy member into a hollow shape with a substantially rectangular cross section. As shown in Figure 6, the column 1 and the beam 2 are connected by inserting an L-shaped column-beam connecting bracket 14 into the hollow parts of the column 1 and the beam 2 and fixing them with a bolt 15. The underwater (left side) end of the beam 2 protrudes outward beyond the column 1.
[0010] As shown in Figure 2, the roof 3 has a roof frame 7 formed by a front frame 4, a rear frame 5, and left and right side frames 6a, 6b in a rectangular shape, and multiple roof materials 8, 8, ... arranged left and right inside the roof frame 7 and attached in a row in the front and back direction. The right-side side frame 6a, located above the water, is fixed to the above-water ends of the front and rear beams 2 with L-shaped metal fittings 16, as shown in Figure 6. The above-water side frame 6a is made of extruded aluminum alloy and has a cross section that is roughly a right-angled triangle with the upper surface sloping downward toward the outer periphery of the roof 3.
[0011] The front frame 4 and rear frame 5 are made of aluminum extrusions with roughly the same right-angled triangular cross section as the above-water side frame 6a, as shown in Figure 7. The longitudinal ends of the above-water side frame 6a and the above-water ends of the front frame 4 and rear frame 5 are each cut at a 45° angle, as shown in Figure 2, and are connected by butting together the ends of the diagonally cut edges.
[0012] As shown in Figure 6, the left side frame 6b, located below the water surface, is fixed and attached to the below-water ends of the front and rear beams 2 with L-shaped metal fittings 17. The below-water side frame 6b is formed from an extruded aluminum alloy profile and has a main body 18 with a roughly rectangular cross section connected to the beam 2 with metal fittings 17, and a gutter 19 attached by screws to the lower part of the outer periphery side of the main body 18. The upper ends of the parts of the column 1 that protrude beyond the visible face 1c of the front and rear visible faces 1a, 1b are notched, and the gutter 19 is swallowed up into this notch 20, with its inner periphery side abutting the visible face 1c of the column 1. Therefore, the entire below-water side frame 6b, including the main body 18 and the gutter 19, is located outside the visible face 1c of the column 1. In this way, the entire underwater side frame 6b is positioned outside the visible surface 1c of the pillar 1, which increases the projection dimension B (see Figure 1) of the roof 3 from the pillar 1. This allows the structure to extend the roof 3 close to the boundary 13 of the neighboring property.
[0013] As shown in Figures 2 and 7, the roofing materials 8 are formed into plates from extruded aluminum alloy profiles, and are attached in a line in the front-to-rear direction between the front frame 4 and the beams 2, between the beams 2, and between the beams 2 and the rear frame 5. A hollow portion 24 with a roughly rectangular cross section is formed in the connecting portion 23 between adjacent roofing materials 8 (see Figure 7), which gives strength to the roof 3. As shown in Figure 6, each roofing material 8 is installed between the two side frames 6a, 6b, with its above-water end connected to the above-water side frame 6a with metal fittings 25a and its below-water end connected to the below-water side frame 6b with metal fittings 25b. The below-water end of the roofing material 8 extends beyond the visible surface 1c of the pillar 1 and is absorbed by the below-water side frame 6b, so that rainwater that runs down the top surface of the roofing material 8 falls into the gutter 19 of the side frame 6b. As shown in Figures 6 and 7, the underside of the roof material 8 is flush with the front frame 4, rear frame 5, and above-water side frame 6a. Also, an under-beam cover 26 is attached to the underside of the beam 2, so that the underside of the under-beam cover 26 is flush with the underside of the roof material 8. As a result, the underside of the roof 3 of this structure is formed flat.
[0014] As shown in Figure 6, the gutter 19 has a drainage hole 21 formed in the part that is swallowed by the notch 20 in the front pillar 1, and rainwater that enters the gutter 19 flows from the drainage hole 21 to the vertical gutter 10 provided on the outside of the pillar 1, and as shown in Figures 1 and 9, it is drained onto the ground G towards the front where the road is located via drainage parts 28 provided at the lower end of the vertical gutter 10. The ground G is poured with a concrete floor and has a downward water gradient in the front (see Figure 10(b)), so that rainwater does not accumulate.
[0015] As shown in FIGS. 10 and 11-1, the drainage part 28 is made up of three parts made of resin: a main body 29, a drainage part 30, and a closing part 31. The main body 29 is formed in a box shape having a right side wall 32, a left side wall 33, and a bottom wall 34, and the top side is open and has a water inlet 35 through which rainwater flows in from the vertical gutter 10. Drainage outlets 38a, 38b are formed by protruding cylindrical shapes on the front side surface (one surface) 36 and the rear side surface (the other surface) 37. A mounting piece 39 for mounting to the pillar 1 is provided on the right side wall 32 and protrudes upward. The drainage part 30 is attached by fitting it around the drainage opening 38a on the front side surface 36 of the main body 29, and has a drainage pipe 40 protruding forward for draining rainwater. The closing part 31 is fitted around the drain opening 38b on the rear side surface 37 of the main body 29 and attached to close the drain opening 38b.
[0016] The drainage part 30 and the closing part 31 can be attached to either of the two drainage outlets 38a, 38b provided in the main body 29, depending on the situation at the site where the structure is to be installed. If the left-right orientation of the structure is reversed to that shown in Figure 1, i.e., if the pillar 1 is on the right side when viewed from the front, the front and back of the main body 29 will be reversed, but by attaching the drainage part 30 to the drainage outlet 38b on the front side (road side) with the main body 29 installed and attaching the closing part 31 to the drainage outlet 38a on the opposite side, the same drainage part 28 can be used regardless of the left-right orientation of the structure.
[0017] As shown in Figures 10 and 11-1, the drainage part 28 is attached by fitting the main body 29 into a U-shaped notch 41 formed in the front and rear facing surfaces 1a, 1b of the pillar 1 that constitutes the vertical gutter 10, and fastening the mounting piece 39 to the facing surface 1c of the pillar 1 with a screw 42. By fitting and attaching the drainage part 28 in this way into the notch 41 of the pillar 1, the drainage part 28 hardly protrudes outside (to the left) from the pillar 1 (see Figures 10(a) and 11-2(e)). In this way, in this structure, the drainage parts 28 do not protrude outside the pillar 1, and the drainage pipe 40 is arranged facing forward, so that when a concrete block 27 is provided on the property side of the neighboring property boundary 13, as shown in Figures 1 and 9, the pillar 1 can be placed close to the concrete block 27 and the structure can be installed as close as possible to the neighboring property boundary 13, and rainwater can be drained toward the front where the road is.
[0018] Next, the procedure for installing the drainage component 28 will be described. First, as shown in Fig. 11-1(a), sealant 43 is applied around the drainage opening 38a on the front side surface 36 of the main body 29, and the drainage component 30 is then fitted around the drainage opening 38a and installed. Similarly, sealant 43 is applied around the drainage opening 38b on the rear side surface 37 of the main body 29, and the closing component 31 is then fitted around the drainage opening 38b and installed. Next, as shown in Figure 11-1(b), the main body 29 of the drainage part 28 is fitted into the notch 41 that has been previously provided in the pillar 1, and the mounting piece 39 of the main body 29 is screwed to the visible surface 1c of the pillar 1 to fix the drainage part 28 to the pillar 1. Next, as shown in FIG. 11-1(c), a sealant 43 is applied to the small upper edges of the left side wall 33 and the right side wall 32 of the main body 29. Next, as shown in FIG. 11-2(d), a batten 9 is attached to the pillar 1. Thereafter, as shown in FIG. 11-2(e), a sealant 43 is applied to the boundary between the batten 9 and the main body 29 and the boundary between the notch 41 in the pillar 1 and the main body 29.
[0019] As described above, this structure is equipped with drainage parts 28, which have a main body 29, a water drainage part 30, and a blocking part 31. The main body 29 has a water inlet 35 through which rainwater flows in from above, and drainage outlets 38a, 38b provided on one surface (front side) 36 and the other surface (rear side) 37 on the opposite side. The water drainage part 30 is attached to one of the drainage outlets 38a, and the blocking part 31 blocks the other drainage outlet 38b (see Figures 10, 11-1, 11-2), making it easy to use as the direction of drainage can be changed depending on the conditions of the construction site. This structure comprises a pillar 1, which has a drainage channel (vertical gutter) 10 along its longitudinal direction, and a drainage part 28 is provided at the lower end of the drainage channel 10 of the pillar 1 (see Figure 1), which allows rainwater to be smoothly drained down to the ground G through the drainage channel 10 of the pillar 1, and the direction of the drainage can be changed depending on the conditions of the construction site, making it easy to use. Furthermore, by placing the drainage parts 28 in the notches 41 provided in the pillar 1 (see Figure 11-1), the drainage parts 28 do not protrude from the pillar 1, and as shown in Figures 1 and 9, if a concrete block 27 or the like is provided on the boundary 13 of the neighboring property, the pillar 1 can be installed close to the concrete block 27 or the like, making it easy to construct the structure close to the boundary 13 of the neighboring property.
[0020] The present invention is not limited to the above-described embodiments. The shapes and materials of the main body, drainage parts, and blocking parts that make up the drainage parts can be changed as appropriate. The location where the drainage parts are attached and the orientation of the drainage parts are not particularly limited. The vertical gutter may be provided separately from the pillars. The pillars may be provided at both ends of the beam in the longitudinal direction. The roof structure is not limited. The present invention can be applied to any structure, not just carports, such as cycle ports, walkway shelters, and terrace roofs. [Explanation of symbols]
[0021] 1 pillar 2 beams 3. Roof 10 Vertical gutter (drainage route) 28 Drainage parts 29 Main Unit 30 Water drainage parts 31 Closing parts 35 Water Inlet 38a,38b Drain port
Claims
[Claim 1] A structure comprising a drainage part, the drainage part having a main body, a water drainage part and a blocking part, the main body having a water inlet through which rainwater flows in from above and a drainage outlet provided on one surface and the other surface opposite thereto, the water drainage part being attached to one of the drainage outlets, and the blocking part blocking the other drainage outlet.
Citation Information
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