JP2026019234A - Ventilation tower - Google Patents

Abstract

To provide a ventilation building that can prevent the intrusion of wind, rain, insects, etc., and that has high-performance ventilation capacity and is easy to install.
[Solution] The system comprises a base ventilation member 2 fixed to a sheathing board 43 via a base material 45 and with its lower end placed above a roof material 42, a side door ventilation member 3 engaged with the lower end of the base ventilation member and placed in the gap between the roof material and the base ventilation member, and a ridge wrap member 4 covering the base ventilation member and side door ventilation member from above, with a ventilation passage 5 formed between the base ventilation member and the ridge wrap member at its upper end, leading to the interior and allowing ventilation air to flow, a lower end vent 7 formed at the bottom of the base ventilation member, leading from the ventilation passage to the space below the base ventilation member, and a side door vent 8 formed in the side door ventilation member, leading from the space below the base ventilation member to the outdoors. This results in a high-performance ventilated ridge that can prevent the intrusion of wind, rain, and insects.
[Selected Figure] Figure 1

Description

The present invention relates to a ventilation ridge installed in a ventilation opening in the roof of a house or the like.

BACKGROUND ART Conventionally, a ridge structure is known in which a ventilation opening is provided at the ridge portion of the roof of a house or the like, enabling ventilation with the outdoors.
For example, Patent Document 1 discloses a ventilation structure that can be installed on the roof ridge of a general house, etc. to ventilate the interior of the room. The ventilation structure disclosed in this document consists of a ridge substrate arranged in relation to an opening provided on the roof ridge, a ventilation ridge frame fixed to the ridge substrate, and a ventilation ridge envelope supported from the back side by the ventilation ridge frame, with a drainage space provided between the ventilation ridge envelope and the roof surface, and multiple air vents provided in the ventilation ridge envelope.

For example, Patent Document 2 discloses a ventilation device installed to cover a ventilation opening formed in the ridge of a roof, which comprises a main body member attached to the roof surface via a base member and a cover member positioned above the main body member, and in the ventilation passage formed between the main body member and the cover member, a ventilation member equipped with a baffle plate portion that allows air to pass through but prevents water from passing through.

Japanese Patent Application Laid-Open No. 2023-167405 Japanese Patent Application Laid-Open No. 2022-159185

However, conventional ventilation towers have some areas that need improvement in order to provide excellent ventilation performance and prevent the intrusion of rainwater and insects.
Specifically, in a configuration in which multiple air vents are provided in the ventilation ridge envelope that forms the upper surface of the ventilation passage through which ventilation air flows, as in the conventional technology disclosed in Patent Document 1, rainwater may seep into the interior of the ventilation passage through the air vents, and the rainwater that has seen the ventilation passage may seep into the attic through the opening.

Furthermore, in a configuration in which ventilation elements equipped with baffle plates or the like to prevent rainwater from seeping in are installed inside the ventilation passage, such as in the prior art disclosed in Patent Document 2, the structure of the ventilation elements or the like becomes complex, making it difficult to construct a ventilation ridge. Furthermore, because baffle plates or the like are installed inside the ventilation passage, there is a risk that insects, birds, etc. may enter the ventilation passage on the outdoor side of the baffle plates or the like and obstruct the flow of air.

The present invention was made in consideration of the above circumstances, and its purpose is to provide a ventilation building that can prevent the intrusion of wind, rain, and insects, provides high-performance ventilation capabilities, and is easy to install.

The ventilation ridge of the present invention is a ventilation ridge installed on the roof of a building, and comprises a base ventilation member fixed to the upper surface of the sheathing boards via a base member extending in the direction of the ridge and with its lower end above the roofing material; a panel door ventilation member engaged with the lower end of the base ventilation member; and a ridge wrap member that is placed above the base ventilation member and panel door ventilation member and covers them. A ventilation passage is formed between the base ventilation member and the ridge wrap member, the upper end of which connects to the interior through a ventilation opening formed in the roof, through which ventilation air flows. A lower end vent is formed at the lower end of the base ventilation member, connecting the ventilation passage to the space formed between the base ventilation member and the roofing material. The panel door ventilation member also has a panel door vent that connects the space between the base ventilation member and the roofing material to the outdoors.

The ventilated ridge of the present invention comprises a base ventilation member fixed to the upper surface of the sheathing boards via a base material and with its lower end above the roofing material; a ventilator panel attached to the lower end of the base ventilation member; and a ridge wrap member attached above the base ventilation member and the ventilator panel, covering the base ventilation member and the ventilator panel. A ventilation passage is formed between the base ventilation member and the ridge wrap member, with its upper end connecting to the interior via a ventilation opening formed in the roof, through which ventilation air flows. A lower end vent is formed in the base ventilation member, connecting the ventilation passage to the space formed between the base ventilation member and the roofing material. The ventilator panel also has a vent that connects the space between the base ventilation member and the roofing material to the outdoors. This configuration provides high-performance ventilation while preventing the intrusion of wind and rain, as well as insects and birds.

Specifically, the base ventilation member and the panel door ventilation member are covered from above by the ridge wrap member, preventing rainwater from seeping into the ventilation passage from above the base ventilation member and the panel door ventilation member, and preventing insects, birds, etc. from entering. Furthermore, the panel door ventilation member is installed between the roof material and the lower end of the ridge wrap member, which serves as the air inlet and outlet, and prevents wind and rain from entering from outside and insects from entering.

The ventilation passage is also designed to allow air to flow into the space above the base ventilation member, i.e., the space between the base ventilation member and the ridge wrap member, and the lower end of the ventilation passage is connected via the lower end vent to the space below the base ventilation member, i.e., the space between the base ventilation member and the roofing material. Therefore, even if rainwater passes through the lower end vent of the door ventilation member due to strong winds during rainfall and seeps into the space below the base ventilation member, the infiltrating rainwater is unlikely to pass through the lower end vent. In other words, rainwater is unlikely to seep into the ventilation passage formed above the base ventilation member.

In addition, the ventilation passage is formed with a lower end vent hole and a face door vent hole, and by appropriately setting the size of the lower end vent hole and the face door vent hole, it is possible to prevent the entry of insects, birds, etc. while ensuring a ventilation passage.

The above configuration also results in a ventilation ridge that is easy to install. Specifically, the base ventilation member is fixed to the top surface of the sheathing board via a base material, and the panel ventilation member is attached to the lower end of the base ventilation member, allowing workers to install the ventilation ridge efficiently.

In addition, in the ventilated ridge of the present invention, the base ventilation member has a bottom surface portion fixed to the sheathing board via the base material and extending parallel to the sheathing board, a lower end raised surface portion bent upward from the lower end of the bottom surface portion, a lower end top end portion bent from the tip of the lower end raised surface portion toward the upper end of the base ventilation member and supporting the ridge wrapping member, and a locking piece portion bent downward from the tip of the lower end top end portion, and the panel door ventilation member has a panel door portion extending downward along the lower end raised surface portion and a panel door portion bent from the upper end of the panel door portion to follow the lower end top end The ridge wrapping member has a support portion bent downward from the tip of the support portion along the locking piece portion and folded back so that its tip is hooked onto the tip of the locking piece. The ridge wrapping member has a top plate portion extending parallel to the bottom surface portion and supported on the lower end top edge via the support portion, and a hanging portion bent downward from the lower end of the top plate portion. The panel door ventilation member has an upper portion of the panel door sandwiched between the lower end side rising surface portion and the hanging portion, and the support portion sandwiched between the lower end top edge and the panel portion and supported by the base ventilation member. This configuration makes installation easy for workers, prevents the intrusion of wind, rain, and insects, and provides high-performance ventilation.

Furthermore, in the ventilated ridge of the present invention, the lower end vent hole may be formed in the bottom surface portion, and the face door vent hole may be formed in the face door portion below the lower end raised surface portion. This configuration results in a high-performance ventilated ridge that can prevent rainwater from entering even during strong winds.

In addition, in the ventilated ridge of the present invention, the ridge wrapping member has a hanging inclined portion that is bent from the lower end of the hanging portion and inclined toward the eaves, and the face door portion of the face door ventilation member has an inclined surface portion that slopes along the hanging inclined portion and a tip face door portion that bends downward from the tip of the inclined surface portion and further bends toward the upper end of the base ventilation member, and the face door vent may be formed in the tip face door portion. This allows for high-performance ventilation with minimal intrusion of rainwater or insects, for example, on flat roofs.

In addition, in the ventilated ridge of the present invention, the upper end of the base ventilation member may be provided above the ventilation opening, and an upper end vent hole may be formed at the upper end of the base ventilation member that connects the ventilation opening to the ventilation passage. This allows the appropriate size of the upper end vent hole to prevent rainwater from entering the ventilation opening and insects from entering, even if rainwater or insects pass through the door vent hole and the lower end vent hole and enter the ventilation passage. Furthermore, by providing the upper end of the base ventilation member above the ventilation opening, the upper end of the base ventilation member can support the ridge wrap member provided above.

In addition, in the ventilated ridge of the present invention, the ventilation opening is provided with an L-shaped throw-out member with one surface supported between the sheathing board and the base material, and the L-shaped throw-out member may be formed with a throw-out member vent hole that allows ventilation air to flow through the ventilation opening. This allows for high-performance ventilation with excellent water drainage, for example, in a gable roof.

Furthermore, according to the ventilation ridge of the present invention, the roof may be a flat-roofed roof or a tiled roof. Workers can efficiently construct a high-performance ventilation ridge that can prevent wind and rain from entering a flat-roofed roof or a tiled roof. This allows for high-performance ventilation with minimal infiltration of rainwater or insects on flat-roofed or tiled roofs.

Furthermore, according to the ventilation ridge of the present invention, the roof may be a flat roof. Workers can efficiently construct a high-performance ventilation ridge that can prevent wind and rain from entering a flat roof. This allows for high-performance ventilation on a flat roof with minimal infiltration of rainwater and insects.

1 is a cross-sectional view showing a schematic configuration of a ventilation tower according to an embodiment of the present invention. 1A is a side cross-sectional view, FIG. 1B is a rear view, and FIG. 1C is a bottom view showing an outline of a base ventilation member according to an embodiment of the present invention. 1A and 1B are a side cross-sectional view and a front view showing an outline of a face door ventilation member according to an embodiment of the present invention. 1 is a side cross-sectional view showing an outline of a ridge wrapping member according to an embodiment of the present invention. 1 is a front view showing a schematic configuration of a ventilation tower according to an embodiment of the present invention. FIG. 10 is a cross-sectional view showing the schematic configuration of a ventilation tower according to another embodiment of the present invention. 10A and 10B are a side cross-sectional view and a front view, respectively, showing an outline of a face door ventilation member according to another embodiment of the present invention. FIG. 10 is a cross-sectional view showing the schematic configuration of a ventilation tower according to another embodiment of the present invention. FIG. 10 is a cross-sectional view showing the schematic configuration of a ventilation tower according to another embodiment of the present invention. FIG. 10 is a cross-sectional view showing the schematic configuration of a ventilation tower according to another embodiment of the present invention. FIG. 10 is a cross-sectional view showing the schematic configuration of a ventilation tower according to another embodiment of the present invention.

Hereinafter, a ventilation tower according to an embodiment of the present invention will be described in detail with reference to the drawings.
Fig. 1 is a cross-sectional view showing the schematic configuration of a ventilation ridge 1 according to an embodiment of the present invention. Referring to Fig. 1, the ventilation ridge 1 is provided on the ridge portion of the roof 40 of a building such as a house, and enables ventilation between the indoors and outdoors, such as in the attic, and prevents rainwater from entering the indoors.

First, we will provide a detailed description of the roof 40 to which the ventilation ridge 1 is attached. The roof 40 is, for example, a flat-roofed roof or a tile-roofed roof. Specifically, roofing materials 42 for flat-roofed roofs or tile-roofed roofs are provided above the sheathing boards 43 that are fixed to the top of the rafters 44 and form the flat surface of the roof 40.

The rafters 44, sheathing boards 43, and roofing materials 42 are arranged so that their upper ends are near the central ridge of the roof 40 and slope downward on both sides, i.e., toward the eaves (not shown) on both sides. The sheathing boards 43 and roofing materials 42 that make up the sloped surfaces on both sides of the roof 40 are arranged so that the upper ends of the sloped surfaces on both sides do not abut at the central ridge, forming ventilation openings 41 at the ridge that allow air to circulate between the indoor and outdoor sides.

In addition, an underlayment 47 such as an asphalt waterproof sheet or other roofing material (not shown) may be provided on the top surface of the sheathing boards 43, i.e., between the sheathing boards 43 and the roofing material 42, or between the sheathing boards 43 and the L-shaped temporary members 46 described below. This further prevents rainwater from entering the building.

Furthermore, base materials 45 for attaching the ventilation ridge 1 are provided on the upper surface near the top end of the sheathing boards 43. The base materials 45 are provided on both sloped surfaces of the roof 40 so as to extend along the extension direction of the ridge, and the base materials 45 on both sloped surfaces are provided at a distance so as to form ventilation openings 41 in the ridge portion.

An L-shaped recessed member 46 may also be provided at the ventilation opening 41 to prevent rainwater from entering the interior. The L-shaped recessed member 46 is formed from a metal plate material such as galvanized steel sheet, and has a roughly L-shaped cross section that extends along the direction of the ridge. One surface is sandwiched and supported between the sheathing board 43 and the base material 45, and the other surface extends upward.

A pair of L-shaped throw-out members 46 are provided on both inclined sides of the ventilation opening 41, with their upwardly extending surfaces facing each other. In other words, the ventilation opening 41 is formed between the pair of L-shaped throw-out members 46. By providing such L-shaped throw-out members 46, the effectiveness of preventing rainwater from entering the interior can be further enhanced in a configuration that allows ventilation through the ventilation opening 41.

Next, the configuration of the ventilation ridge 1 will be described in detail. The ventilation ridge 1 is arranged above the ventilation opening 41 formed in the ridge of the roof 40 so as to cover it, and includes a base ventilation member 2, a panel ventilation member 3, and a ridge wrap member 4, each of which is made of a metal plate material such as galvanized steel sheet.

The base ventilation members 2 are installed in pairs on both sloped sides of the roof 40 and are fixed to the upper surface of the sheathing boards 43 via underlayment 45. The upper end of the base ventilation members 2, i.e., the top side of the roof 40, is installed above the ventilation openings 41 of the roof 40, and the lower end, i.e., the eaves side (not shown), is installed above the roof material 42.

Although not shown in the figure, the upper end of the base ventilation member 2 does not have to be located directly above the ventilation opening 41. In other words, the upper end of the base ventilation member 2 may be located directly above the base material 45 without protruding from the top surface of the base material 45 toward the top of the head.

The face door ventilation members 3 are installed in pairs on both sloped surfaces of the roof 40 and are respectively fastened to the lower ends of the base ventilation members 2 on both sloped surfaces. In other words, the face door ventilation members 3 are supported by the lower ends of the base ventilation members 2 and are installed on the eaves side of the base material 45, above the roof material 42.

The ridge wrapping member 4 is provided above the base ventilation member 2 and the panel door ventilation member 3 so as to cover the entire base ventilation member 2 and panel door ventilation member 3 on both sloping surfaces from above.
A ventilation passage 5 through which ventilation air flows is formed between the base ventilation member 2 and the ridge wrapping member 4.

At the upper end side of the base ventilation member 2, a vent hole 6 is formed as an upper end side vent hole that connects from the ventilation opening 41 to the ventilation passage 5. At the lower end side of the base ventilation member 2, a vent hole 7 is formed as a lower end side vent hole that connects from the ventilation passage 5 to the space formed between the base ventilation member 2 and the roof material 42.
Furthermore, a ventilation hole 8 is formed in the panel door ventilation member 3 as a panel door ventilation hole that connects the space between the lower end side of the base ventilation member 2 and the roof material 42 to the outdoors.

This configuration creates an air passageway connecting the indoors to the outdoors via the ventilation opening 41, ventilation hole 6, ventilation passage 5, ventilation hole 7, and ventilation hole 8 in sequence, providing the ventilation ridge 1 with high-performance ventilation capabilities while preventing the intrusion of wind and rain, as well as insects, birds, etc.

Figures 2(A) to (C) are diagrams showing an outline of the base ventilation member 2, with Figure 2(A) being a side cross-sectional view, Figure 2(B) being a rear view, i.e., a view from the top end, and Figure 2(C) being a bottom view, i.e., a view from below.

Referring to Figures 1 and 2(A), the base ventilation member 2 has a bottom surface 10 that is fixed to the sheathing board 43 via a base material 45 and extends parallel to the sheathing board 43. Specifically, the bottom surface 10 of the base ventilation member 2 is fixed to the base material 45 by, for example, a fixing screw 60. Note that the fixing screw 60 may pass through the base material 45 and be fixed to the base material 45 and the sheathing board 43. Alternatively, for example, the fixing screw 60 may pass through the base material 45 and the sheathing board 43 and be fixed to the base material 45, the sheathing board 43, and the rafters 44.

The fixing screws 60 may be screws equipped with waterproof packing. This prevents rainwater from leaking into the ventilation passage 5 through the screw holes of the fixing screws 60 or into the base material 45 or sheathing boards 43, even if rainwater seeps into the ventilation passage 5 due to strong winds or other factors.

The upper end side of the base ventilation member 2 is formed with an upper end raised surface portion 11 bent upward from the top end of the bottom surface portion 10, an upper end top end portion 12 bent from the tip of the upper end raised surface portion 11 toward the bottom end side of the base ventilation member 2 and supporting the base ventilation member 2, and a reinforcing piece portion 13 bent downward from the tip of the upper end top end portion 12.

Although not shown in the figures, the base ventilation member 2 may not have the upper end raised surface portion 11, upper end top edge portion 12, or reinforcing piece portion 13 formed on its upper end. In such a case, the ventilation passage 5 formed between the base ventilation member 2 and the ridge wrapping member 4 will be open at the upper end and connect to the ventilation opening 41.

The lower end of the base ventilation member 2 is formed with a lower end raised surface portion 14 bent upward from the lower end of the bottom surface portion 10, a lower end top end portion 15 bent from the tip of the lower end raised surface portion 14 toward the upper end of the base ventilation member 2 and supporting the base ventilation member 2, and a locking piece portion 16 bent downward from the tip of the lower end top end portion 15.

The width dimension of the base ventilation member 2, i.e., the width L1 of the bottom surface portion 10, is, for example, 60 to 130 mm, preferably 70 to 100 mm. The height dimension of the base ventilation member 2, i.e., the height L2 of the upper end raised surface portion 11 and the lower end raised surface portion 14, is, for example, 10 to 50 mm, preferably 15 to 30 mm.

By forming the base ventilation member 2 in this form, it is lightweight and has appropriate strength, allowing for easy installation of the panel door ventilation member 3 and ridge wrap member 4, and creating an appropriate passage for ventilation.

As shown in Figure 2(B), a ventilation hole 6 is formed in the upper end raised surface portion 11 of the base ventilation member 2. Referring to Figures 1 and 2(B), the ventilation hole 6 is an upper end ventilation hole that connects the ventilation opening 41 and the ventilation passage 5.

The ventilation holes 6 are, for example, generally oval in shape extending vertically, with multiple holes arranged horizontally. The dimensions of the ventilation holes 6 are, for example, a length L3 of 1 to 50 mm, preferably 2 to 30 mm, a width L4 of 1 to 15 mm, preferably 2 to 10 mm, and a distance L5 between the ventilation holes 6 of, for example, 1 to 15 mm, preferably 2 to 10 mm.

By forming the ventilation hole 6 in this form, a suitable passage is created that allows air to flow for ventilation, while also providing a suitable passage that prevents the intrusion of wind and rain, as well as insects, birds, etc.

As shown in Figure 2(C), a ventilation hole 7 is formed on the lower end side of the bottom surface portion 10. Referring to Figures 1 and 2(C), the ventilation hole 7 is a lower end ventilation hole and is an opening that connects the ventilation passage 5 with the space formed between the base ventilation member 2 and the roof material 42.

The ventilation holes 7 are, for example, generally oval in shape extending from the upper end to the lower end, and are arranged in a line in the extension direction of the base ventilation member 2, i.e., the extension direction of the ridge. The dimensions of the ventilation holes 7 may be, for example, similar to those of the ventilation holes 6. That is, for example, the length L6 is 1 to 50 mm, preferably 2 to 30 mm, the width L7 is 1 to 15 mm, preferably 2 to 10 mm, and the distance L8 between the ventilation holes 7 is, for example, 1 to 15 mm, and preferably 2 to 10 mm.

By forming the ventilation hole 7 in this form, a suitable passage is created that allows air for ventilation to flow, while also preventing the intrusion of wind and rain, as well as insects and birds. Furthermore, because the ventilation hole 7 is formed on the lower end side of the sloped bottom surface 10 of the base ventilation member 2, even if rainwater enters the ventilation passage 5, it can be returned to the outdoors.

Although not shown in the figures, the ventilation holes 6 and 7 may be substantially rectangular, elliptical, circular, square, or other shapes. The ventilation holes 6 and 7 may also be formed as louver- or grill-shaped air holes by, for example, cutting the base ventilation member 2 in a straight line and press-molding it. The ventilation holes 6 and 7 may also be formed in multiple rows, such as two or three rows.

In addition, although not shown in the figures, the end edges 17 at both longitudinal ends of the base ventilation member 2 may be formed with bent portions, for example, bent upward from the end edges 17 or folded back approximately horizontally. This increases the strength of the base ventilation member 2.

Figures 3(A) and (B) are diagrams showing an outline of the panel door ventilation member 3, with Figure 3(A) being a side cross-sectional view and Figure 3(B) being a front view, i.e., a view from the eaves side. Referring to Figures 1, 2(A), and 3(A), the panel door ventilation member 3 has a panel door portion 18 that is supported by the lower end raised surface portion 14 of the base ventilation member 2 and extends downward along the lower end raised surface portion 14.

The vicinity of the upper end of the face door portion 18 forms an attachment surface portion 19 that is supported by the base ventilation member 2 by being sandwiched between the lower end side raised surface portion 14 of the base ventilation member 2 and the hanging portion 27 of the ridge wrapping member 4 described later.
A bent folded piece 24 may be formed at the lower end of the face door portion 18 to ensure the strength of the face door ventilation member 3.

A support section 20 is formed at the upper end of the face door section 18, i.e., the upper end of the mounting surface section 19, and is bent from the face door section 18 to fit along the lower top edge 15 of the base ventilation member 2. At the tip of the support section 20, a locking section 21 is formed, which is bent downward from the support section 20 to fit along the locking piece 16 of the base ventilation member 2 and folded back so that its tip can be hooked onto the tip of the locking piece 16.

This configuration allows workers to easily attach the face door ventilation member 3 to the lower end of the base ventilation member 2. Specifically, the face door ventilation member 3 can be attached to the base ventilation member 2 by hooking the tip of the locking portion 21 of the face door ventilation member 3 onto the tip of the locking piece 16 of the base ventilation member 2, and then abutting the locking portion 21 against the locking piece 16, the support portion 20 against the lower end top edge 15, and the mounting surface 19 against the lower end rising surface 14.

The surface door ventilation element 3 may come into contact with the roof material 42, but it is preferable that it not come into contact with the roof material 42. In other words, it is preferable to leave a gap of, for example, 1 to 10 mm between the lower end of the surface door portion 18 of the surface door ventilation element 3 and the flat portion 59 of the roof material 42. In this way, by leaving a gap between the surface door ventilation element 3 and the roof material 42 without them coming into contact with each other, it is possible to prevent deterioration of the ventilation ridge 1 and the roof material 42 due to electrolytic corrosion, etc.

As shown in Figure 3(B), the face door portion 18 of the face door ventilation member 3 has a vent hole 8, which is a face door vent. For more details, see Figures 1, 2(A), 3(A), and 3(B). Multiple vent holes 8 are formed in the face door portion 18 below the lower end raised surface portion 14 of the base ventilation member 2, i.e., in the face door portion 18 below the mounting surface portion 19 that abuts against the lower end raised surface portion 14.

The ventilation hole 8 is a face door ventilation hole, and is an opening that connects the space between the lower end side of the base ventilation member 2 and the roof material 42 with the outdoors, allowing ventilation air to circulate.
The ventilation holes 8 are, for example, generally oval in shape extending from top to bottom, and are arranged in a row in the horizontal direction in which the panel door ventilation member 3 extends, i.e., in the direction in which the ridge extends. The dimensions of the ventilation holes 8 are, for example, a length L9 of 1 to 35 mm, preferably 2 to 20 mm, and a width L10 of 1 to 15 mm, preferably 2 to 10 mm. The distance L11 between the ventilation holes 8 is, for example, 1 to 15 mm, and preferably 2 to 10 mm. The distance L12 from the lower end of the panel door portion 18 to the ventilation holes 8 is 0 to 20 mm, preferably 2 to 15 mm.

By forming the ventilation hole 8 in this form, a suitable passage is created that allows air to flow for ventilation, while also providing a suitable passage that prevents the intrusion of wind and rain, as well as insects, birds, etc.

Although not shown in the figures, the ventilation holes 8 may be formed in a generally rectangular, oval, circular, square, or other shape, and may also be formed in multiple rows, such as two or three rows. The ventilation holes 8 may also be formed as louver- or grill-shaped air holes by, for example, cutting the panel door portion 18 of the panel door ventilation member 3 into a straight line and press-molding it.

Figure 4 is a side cross-sectional view showing an outline of the ridge wrapping member 4. Referring to Figures 1 to 4, the ridge wrapping member 4 has a top plate portion 26 that extends parallel to the bottom surface portion 10 of the base ventilation member 2 and is supported by the upper top end portion 12 and the lower top end portion 15.

Specifically, the top plate portion 26 is formed to have a generally inverted V-shape in side view, covering from above a pair of base ventilation members 2 provided on both sloped surfaces of the roof 40. The top plate portion 26 of the ridge wrapping member 4 is supported on the top end 12 of the base ventilation member 2 at the upper end side, i.e., near the top of the roof 40, via, for example, a moisture-proofing material 57. Furthermore, the top plate portion 26 of the ridge wrapping member 4 is supported on the bottom end 15 of the base ventilation member 2 at the lower end side, i.e., the eaves side (not shown), via the support portion 20 of the panel door ventilation member 3.

A hanging portion 27 is formed at the lower end of the top plate portion 26, bending downward from the top plate portion 26. The hanging portion 27 is formed to be approximately parallel to the lower end raised surface portion 14 of the base ventilation member 2, and is fixed to the lower end raised surface portion 14 with fixing screws 61, sandwiching the mounting surface portion 19 of the panel door ventilation member 3 therebetween.

The fixing screws 61 may be screws equipped with waterproof packing. This prevents rainwater from entering the ventilation passage 5 through the threaded holes of the fixing screws 61.

The lower end of the hanging portion 27 is formed with a hanging inclined portion 28 that is bent and inclined from the hanging portion 27 toward the eaves, and the tip of the hanging inclined portion 28 is formed with a folded piece 29 that is folded downward.

The ridge wrapping member 4 formed in this manner is easy to install and covers the entire base ventilation member 2 and the panel ventilation member 3 from above. The fixing screws 61 are tightened only from the hanging portion 27, fastening the ridge wrapping member 4 to the lower end raised surface portion 14 of the base ventilation member 2. With this configuration, the ridge wrapping member 4 can completely prevent the intrusion of rainwater and insects from above the base ventilation member 2 and ridge wrapping member 4, resulting in a ventilated ridge 1 with excellent waterproofing and insect resistance.

Figure 5 is a front view showing the schematic configuration of the ventilation ridge 1. As shown in Figure 5, in a vertical or tiled roof, convex portions 58 are formed at the joints of multiple roofing materials 42. A gap is formed between the ridge wrapping member 4 and the roofing material 42 at the flat portions 59 between the convex portions 58. The face door ventilation member 3 is installed so as to substantially fill the gap between the ridge wrapping member 4 and the roofing material 42. Specifically, multiple face door ventilation members 3 are installed to correspond to the flat portions 59 of the roofing material 42, except for the convex portions 58 where the roofing materials 42 of a vertical or tiled roof are overlapped or joined by separate members.

The fixing screws 61 may be installed to secure the base ventilation member 2 (see Figure 1) and ridge wrap member 4 at a position where no ventilation member 3 is installed when viewed from the front, i.e., between adjacent ventilation members 3 of multiple ventilation members 3. This configuration simplifies the installation and fixing process, improving work efficiency.

The fixing screws 61 may also be tightened at the position where the face door ventilation member 3 is installed, sandwiching the face door ventilation member 3 between the base ventilation member 2 and the ridge wrap member 4, and fixing the base ventilation member 2, face door ventilation member 3, and ridge wrap member 4 together.

The ventilation ridge 1 according to this embodiment, as described above with reference to Figures 1 to 5, allows for easy installation and, for example, prevents the intrusion of wind, rain, and insects on roofs with flat roofing or tiled roofing, while providing high-performance ventilation.

Specifically, the entire upper area of the base ventilation member 2 and the panel ventilation member 3 is covered by the ridge wrapping member 4, so rainwater cannot seep into the ventilation passage 5 from above the base ventilation member 2 and the ridge wrapping member 4, and insects, birds, etc. cannot enter.

Furthermore, a ventilator panel 3 is provided between the roofing material 42 and the lower end of the ridge wrapper panel 4, which serves as an air inlet and outlet, and prevents wind, rain, and insects from entering from the outside.

Furthermore, the ventilation passage 5 is formed so that air flows into the space above the base ventilation member 2, i.e., the space between the base ventilation member 2 and the ridge wrap member 4. The lower end of the ventilation passage 5 is connected to the space below the base ventilation member 2, i.e., the space between the base ventilation member 2 and the roof material 42, via the lower end vent hole 7. Therefore, even if rainwater enters the space below the base ventilation member 2 through the vent holes 8 of the panel ventilation member 3 due to strong winds during rainfall, the infiltrating rainwater is unlikely to pass through the vent hole 7. In other words, rainwater is unlikely to enter the ventilation passage 5 formed above the base ventilation member 2.

In addition, ventilation passage 5 is formed with upper end ventilation hole 6, lower end ventilation hole 7, and face door ventilation hole 8. By appropriately setting the sizes of ventilation holes 6, 7, and 8, it is possible to ensure a ventilation passage while preventing the entry of insects, birds, etc.

The above configuration also results in a ventilation ridge 1 that is easy to install. Specifically, the base ventilation member 2 is fixed to the upper surface of the sheathing board 43 via the base material 45, and the panel ventilation member 3 is engaged with the lower end of the base ventilation member 2, allowing workers to install the ventilation ridge 1 efficiently.

Next, with reference to Figures 6 to 11, ventilation towers 101, 201, 301, 401, and 501 will be described in detail as modified examples of the embodiment. Note that components that have the same or similar functions and effects as those in the previously described embodiments will be assigned the same reference numerals, and their description will be omitted.

Figure 6 is a cross-sectional view showing the schematic configuration of a ventilation ridge 101 according to another embodiment of the present invention. Referring to Figure 6, the ventilation ridge 101 may be installed on, for example, a flat roof. Specifically, the roof 140 to which the ventilation ridge 101 is attached is a flat roof, i.e., a horizontal roof such as a stepped roof, a linear roof, a diamond roof, etc., and the roofing material 48 used on the roof 140 is for a flat roof, i.e., a horizontal roof such as a stepped roof, a linear roof, a diamond roof, etc.

Figures 7(A) and (B) are schematic diagrams of the face door ventilation member 103 that constitutes the ventilation ridge 101, with Figure 7(A) being a side cross-sectional view and Figure 7(B) being a front view. Referring to Figures 6, 7(A), and 7(B), the face door portion 18 of the face door ventilation member 103 is formed with an inclined surface portion 22 that slopes along the hanging slope portion 28 of the ridge wrap member 4, and a tip face door portion 23 that is bent downward from the tip of the inclined surface portion 22 and further bent toward the upper end of the base ventilation member 2.

The vent hole 8, which is a face door vent hole, is formed in the tip face door portion 23. Specifically, the vent hole 8 may be formed in a bent portion of the tip face door portion 23 that is bent in a roughly V-shape in side view.
The face door ventilation member 103 may contact the roof material 48, but it is preferable that it does not contact the roof material 48. That is, a gap of, for example, 1 to 10 mm, preferably 5 to 8 mm, is provided between the lower end of the tip face door portion 23 of the face door ventilation member 103 and the roof material 48. By providing a gap between the face door ventilation member 103 and the roof material 48 without bringing the face door ventilation member 103 and the roof material 48 into contact with each other in this way, deterioration of the ventilation ridge 101 and the roof material 48 due to electrolytic corrosion, etc. can be prevented.

The longitudinal length of the face door ventilation member 103, i.e., the extension direction of the ridge, may be approximately the same as the length of the base ventilation member 2. In other words, one face door ventilation member 103 may be attached to one base ventilation member 2.

This configuration allows for the efficient construction of a high-performance ventilation ridge 101 that can prevent wind and rain from penetrating flat roofs. This allows for high-performance ventilation with minimal infiltration of rainwater and insects on flat roofs, tiled roofs, etc.

Figure 8 is a cross-sectional view showing the schematic configuration of a ventilation ridge 201 according to yet another embodiment of the present invention. As shown in Figure 8, the ventilation ridge 201 may be installed on a roof 240 that is, for example, a single-slope standing flat roof or a single-slope tiled roof.

The roof 240 is a single-gable ridge roof. One side of the apex forms a roof surface that slopes diagonally downward, and the other side of the apex forms an exterior wall surface formed by a substantially vertical exterior wall 49. The exterior wall 49 is fixed to a single-gable ridge beam 52 via exterior wall base furring strips 50, exterior wall underlayment 53, bearing surface materials 51, and other wall components not shown.

Although not shown in the figures, the roof 240 may have eaves formed on the top side, in which case the exterior wall 49 may be a gable board or gable cover, etc. In other words, the exterior wall 49 may be a gable board or the like, forming a gable outer surface on the other side of the top.

The base ventilation member 202 may have the ventilation holes 6 formed in the bottom surface 10. In other words, the ventilation holes 6 serving as upper-end ventilation holes may be formed in the bottom surface 10 of the base ventilation member 202, above the base material 45. This creates an air passage for ventilation that is suitable for a shed roof.

The ridge wrapping member 204 is also designed for use with a gable roof. Specifically, on the sloped roof surface side of the roof 240, the ridge wrapping member 204 is formed in a manner that covers the base ventilation member 202 and the panel door ventilation member 3 from above, similar to the ridge wrapping member 4 (see Figure 1), and a gable roof hanging surface portion 30 is formed on the exterior wall 49 side below the top of the roof.

That is, at the top of the roof 240, the top plate portion 26 of the ridge wrapping member 204 is bent downward, forming a substantially vertical sloped hanging surface portion 30 that fits along the exterior wall 49. At the lower end of the sloped hanging surface portion 30, a folded piece portion 31 may be formed by folding back the area near the edge to obtain suitable strength.

The ridge wrap member 204 is attached so as to cover the base ventilation member 202 and the panel door ventilation member 3 from above. The hanging portion 27 of the ridge wrap member 204 is fixed to the base ventilation member 202 with a fixing screw 61, and the vicinity of the lower end of the downspout hanging surface portion 30 is fixed to the exterior wall base furring strip 50 or sheathing board 43, etc., via the exterior wall 49, etc., with a fixing screw 62.

Like the fixing screw 61, the fixing screw 62 may be a screw with a waterproof packing. This prevents rainwater from entering the interior of the exterior wall 49 or the exterior wall base furring strip 50 through the screw hole of the fixing screw 62.

A waterproof member 65 may also be provided between the downdraft hanging surface 30 and the exterior wall 49, i.e., on the contact surface between the downdraft hanging surface 30 and the exterior wall 49. The waterproof member 65 is formed, for example, by waterproof caulking. This configuration can prevent rainwater and other water from seeping in from the outdoors below the downdraft hanging surface 30 to the indoors.

In the ventilation ridge 201, the ventilation opening 41 may be provided with an L-shaped throw-out member 56, one of whose surfaces is sandwiched and supported between the sheathing board 43 and the base material 45, and whose other surface is bent upward and extends to be covered by the sloped hanging surface 30 of the ridge wrapping member 204. The other surface covered by the sloped hanging surface 30 of the L-shaped throw-out member 56 may be supported by abutting against the sloped hanging surface 30 via a moisture-proofing material 57. The sloped hanging surface 30 of the ridge wrapping member 204 may be fastened to the L-shaped throw-out member 56 with fixing screws or the like (not shown).

The L-shaped throw-out member 56 may be formed with a vent hole 9 as a throw-out member vent that allows ventilation air to flow through the ventilation opening 41. This allows for high-performance ventilation with excellent drainage, for example, on a shed roof such as roof 240.

A gap may be provided between the upper end of the exterior wall 49 and the sheathing board 43 to allow ventilation air to flow. The distance between the upper end of the exterior wall 49 and the sheathing board 43 is, for example, 5 to 20 mm, and preferably 10 to 15 mm.

A gap may be provided between the upper end of the bearing face material 51 and the sheathing board 43 to allow ventilation air to flow. The distance between the upper end of the bearing face material 51 and the sheathing board 43 is, for example, 5 to 20 mm, and preferably 10 to 15 mm. In a configuration in which the upper end of the bearing face material 51 contacts the sheathing board 43, an opening such as a hole may be formed near the upper end of the bearing face material 51 to allow ventilation air to flow.

By providing gaps and other structures that serve as ventilation passages in the upper parts of the exterior wall 49 and the load-bearing surface material 51, ventilation is possible between the interior space of the wall, such as the space between the exterior wall 49 and the exterior wall underlayment 53, and the indoor space inside the load-bearing surface material 51. Therefore, the ventilation ridge 201 can demonstrate excellent ventilation performance.

Figure 9 is a cross-sectional view showing the schematic configuration of a ventilation ridge 301 according to yet another embodiment of the present invention. Referring to Figure 9, the ventilation ridge 301 may be installed on, for example, a single-slope flat roof. The roof 340 is a single-slope flat roof using roofing material 48 for flat roofs. The ventilation ridge 301 may also utilize the face door ventilation element 103 for a face door flat roof, as already described.

Figure 10 is a cross-sectional view showing the schematic configuration of a ventilation ridge 401 according to yet another embodiment of the present invention. As shown in Figure 10, the ventilation ridge 401 may be provided, for example, as a rainproofing for a roof shed. The roof 440 is a roof shed using roofing materials 42 for a flat roof or a tile roof, and the upper ends of the rafters 44 are supported by rafter hangers 55.

The ridge wrap member 404 is designed for use as a shed. Specifically, on the sloped roof surface side of the roof 440, the ridge wrap member 404 covers the base ventilation member 2 and the panel door ventilation member 3 from above, similar to the ridge wrap member 4 (see Figure 1), and an exterior wall flashing 32 is formed on the exterior wall 49 side.

The exterior wall flashing 32 is bent so that it extends vertically upward from the upper edge of the top plate 26 along the bearing surface material 54. A folded piece 33 may be formed at the upper end of the exterior wall flashing 32 to provide suitable strength.

The exterior wall flashing 32 of the ridge wrap member 404 is fixed to a pillar or the like (not shown) via a bearing surface material 54 using fixing screws 63, and the exterior wall 49 is provided on the outdoor side of the exterior wall flashing 32 via an exterior wall underlayment 53, exterior wall base furring strips 50, and other exterior wall components (not shown).

Here, tape material 64 is provided near the upper end of the exterior wall flashing 32, i.e., near the folded piece 33, to prevent air leakage. Specifically, tape material 64 is attached to the exterior wall flashing 32 and the load-bearing surface material 54 from the exterior side so as to seal the gap between the upper end of the exterior wall flashing 32 and the load-bearing surface material 54. Although not shown in the figure, tape material 64 may also be attached so that it is sandwiched between the exterior wall flashing 32 and the load-bearing surface material 54.

Although not shown, the L-shaped throw-out member 46 may have a ventilation hole 9 formed as a throw-out member ventilation hole, like the L-shaped throw-out member 56 shown in Figure 8. The ventilation hole 9 may also be formed in the surface portion extending upward of the L-shaped throw-out member 46. The ventilation hole 9 may also be formed in both the surface portion sandwiched between the sheathing board 43 and the base material 45 and the surface portion extending upward. The vicinity of the upper end of the surface portion extending upward of the L-shaped throw-out member 46 may be sandwiched between the exterior wall flashing 32 and the load-bearing surface material 54, specifically between the moisture-proofing material 57 and the load-bearing surface material 54.

This configuration of the L-shaped throw-out member 46 prevents indoor warm air that flows in from below the ventilation opening 41 from flowing from the top of the ventilation opening 41 into the indoor space on the bearing surface 54 side, i.e., inside the wall, rooms above and below, the attic, under the floor of the upper floor, etc., even in roof structures where there is no bearing surface material 54 near the ventilation opening 41. This allows for the creation of an air passage suitable for ventilation according to the building structure, enabling high-performance ventilation.

In this way, the ventilation ridge 401 can form a high-performance ventilation passageway that can prevent the intrusion of wind, rain, insects, etc., even when used as a rainproofing for the roof.

Figure 11 is a cross-sectional view showing the schematic configuration of a ventilation ridge 501 according to yet another embodiment of the present invention. As shown in Figure 11, the ventilation ridge 501 may be used, for example, for a roof 540, which is a shed for a flat roof, using roofing material 48 for a flat roof. Furthermore, the L-shaped temporary member 46 may have a form similar to the L-shaped temporary member 56 shown in Figure 9.

As explained above, the present invention provides ventilation towers 1, 101, 201, 301, 401, 501, etc. that are easy to install, provide high-performance ventilation capabilities, and prevent the intrusion of wind and rain, insects, birds, etc.

The present invention is not limited to the above-described embodiment, and various modifications are possible without departing from the spirit of the present invention.

1, 101, 201, 301, 401, 501: Ventilation ridge 2, 202: Base ventilation member 3, 103: Face door ventilation member 4, 204, 404: Ridge wrapping member 5: Ventilation passage 6: Ventilation hole 7: Ventilation hole 8: Ventilation hole 9: Ventilation hole 10: Bottom surface portion 11: Upper end side raised surface portion 12: Upper end side top end portion 13: Reinforcement piece portion 14: Lower end side raised surface portion 15: Lower end side top end portion 16: Locking piece portion 17: Edge portion 18: Face door portion 19: Mounting surface portion 20: Support portion 21: Locking portion 22: Inclined surface portion 23: Tip face door portion 24: Folded piece portion 26: Top plate portion 27: Hanging portion 28: Hanging inclined portion 29: Folded piece portion 30: Hanging surface portion 31 : Folded piece 32 : Exterior wall flashing 33 : Folded piece 40, 140, 240, 340, 440, 540 : Roof 41 : Ventilation opening 42 : Roofing material 43 : Sheathing board 44 : Rafter 45 : Underlayment material 46 : L-shaped throw-out member 47 : Underlayment 48 : Roofing material 49 : Exterior wall 50 : Exterior wall underlayment furring 51 : Bearing surface material 52 : Shed ridge beam 53 : Exterior wall underlayment 54 : Bearing surface material 55 : Rafter hanging member 56 : L-shaped throw-out member 57 : Dew prevention material 58 : Convex portion 59 : Flat portion 60 : Fixing screw 61 : Fixing screw 62 : Fixing screw 63 : Fixing screw 64 : Tape material 65 : Waterproofing material

Claims (8)

A ventilation tower installed on the roof of a building,
A base ventilation member is fixed to the upper surface of the sheathing board via a base material extending in a direction along the ridge, and its lower end side is provided above the roof material;
A face door ventilation member that is engaged with the lower end of the base ventilation member and is provided in the gap between the roof material and the base ventilation member;
A ridge wrapping member is provided above the base ventilation member and the face door ventilation member and covers the base ventilation member and the face door ventilation member,
A ventilation passage is formed between the base ventilation member and the ridge wrapping member, the upper end of which is connected to the indoors through a ventilation opening formed in the roof, and through which ventilation air flows,
A lower end vent hole is formed on the lower end side of the base ventilation member, the lower end vent hole being connected to the ventilation passage and the space formed between the base ventilation member and the roof material,
A ventilation ridge characterized in that the face door ventilation member has a face door vent hole formed in it that leads from the space between the base ventilation member and the roof material to the outdoors. The base ventilation member is
A bottom surface portion fixed to the sheathing board via the base material and extending parallel to the sheathing board;
a lower end side rising surface portion bent upward from the lower end of the bottom surface portion;
a lower end top end portion bent from the tip of the lower end side rising surface portion toward the upper end side of the base ventilation member and supporting the ridge wrapping member;
a locking piece bent downward from the tip of the top end portion on the lower end side,
The face door ventilation member is
A face door portion extending downward along the lower end side rising surface portion; A support portion bent from the upper end of the face door portion to the lower end side top end portion;
a locking portion that is bent downward from a tip of the support portion along the locking piece portion and folded back so that its tip is hooked onto the tip of the locking piece portion,
The ridge wrapping member is
a top plate portion extending parallel to the bottom surface portion and supported on the lower end top end portion via the support portion;
a hanging portion bent downward from the lower end of the top plate portion,
The ventilation ridge described in claim 1, characterized in that the upper part of the face door ventilation member is sandwiched between the lower end side raised surface portion and the hanging portion, and the support portion is sandwiched between the lower end side top end portion and the top plate portion and supported by the base ventilation member. the lower end side ventilation hole is formed in the bottom surface portion,
The ventilation tower according to claim 2, characterized in that the face door vent is formed in the face door portion below the lower end side raised surface portion. The ridge wrapping member is
A hanging inclined portion bent from the lower end of the hanging portion and inclined toward the eaves,
The face door portion of the face door ventilation member is formed with an inclined surface portion that slopes along the hanging inclined portion, and a tip face door portion that is bent downward from the tip of the inclined surface portion and further bent toward the upper end side of the base ventilation member,
The ventilation tower according to claim 3, characterized in that the face door vent is formed in the tip face door portion. The base ventilation member has an upper end side provided above the ventilation opening,
A ventilation tower as described in any one of claims 1 to 4, characterized in that an upper end ventilation hole connecting the ventilation opening to the ventilation passage is formed on the upper end side of the base ventilation member. The ventilation opening is provided with an L-shaped throw-out member having one surface supported between the sheathing board and the base material,
A ventilation tower described in any one of claims 1 to 4, characterized in that the L-shaped throw-out member has a throw-out member ventilation hole formed therein through which ventilation air flowing through the ventilation opening can pass. A ventilation ridge described in any one of claims 1 to 3, characterized in that the roof is a flat roof or a tile roof. The ventilation building according to any one of claims 1 to 4, characterized in that the roof is a flat roof.