JP6940868B2 - Ventilation cover for snow cover used for roof sheet metal - Google Patents

Description

The present invention relates to a ventilation cover for snow cover used for a roof sheet metal accessory arranged on the roof surface of a building.

Patent Document 1 describes a top plate material arranged on the roof surface of a building, a hanging plate material arranged on the wall surface of the building, and a gable base fixing plate material arranged parallel to the hanging plate material and fixed to the gable base. , A connecting plate material that connects the hanging plate material and the gable base fixing plate material is provided. We are proposing a sheet metal accessory for roofs where the upper end of the gable board is placed.
The roof sheet metal accessory according to Patent Document 1 can handle different slopes of the roof top and can be constructed without using an adjusting cap.

Japanese Unexamined Patent Publication No. 2010-2488819 Japanese Unexamined Patent Publication No. 2011-127359

The roof sheet metal accessory according to Patent Document 1 is excellent in workability, but in a snowy area, snow may enter through the opening for the top plate formed in the top plate material, or the snow may cover the opening for the top plate. be.
In order to prevent snow from entering through the opening for the top plate and for snow to cover the opening for the top plate, it is conceivable to provide a cover that covers the opening for the top plate. Depending on the type, there may be a problem that the exhaust performance from indoors is lowered or the watertightness performance is lowered.

Therefore, the present invention can prevent snow from entering through the opening for the top plate and cover the opening for the top plate, can promote exhaust from indoors, and can promote the watertightness of the roof sheet metal accessory. It is an object of the present invention to provide a ventilation cover for snow cover used for a roof sheet metal accessory that can prevent a decrease in the amount of snow.

In the snow-covered ventilation cover 10 used for the roof sheet metal accessory 20 of the present invention according to claim 1, the roof sheet metal accessory 20 is arranged on the roof surface 31 of the building 30 and the top plate material 21 and the ceiling. It has a water stop box 25 attached to the lower surface of the face plate material 21, and the top plate material 21 is formed with an opening 22 for the top plate by cutting and raising, and the water stop box 25 is at least the opening 22 for the top plate. A cover top plate 11 that is arranged below the roof and is used for the roof sheet metal accessory 20 and covers the upper part of the top plate opening 22, and the front end of the cover top plate 11. It has a cover front plate material 12 hanging downward from the roof and a cover rear plate 13 extending rearward from the rear end of the cover top plate 11, and a first opening of the cover behind the cover front plate 12. 12x is formed, the cover rear surface plate material 13 is provided with a cover second opening 13x, and the cover first opening 12x and the cover second opening 13x are the cover top plate material 11 and the top plate material 21. It is characterized in that it communicates with the ventilation path X formed between the and.
According to the second aspect of the present invention, in the roof sheet metal accessory 20 according to the first aspect, the roof sheet metal accessory 20 fixes the top plate material 21 and the water blocking box 25 to the roof surface 31. It has a fixing screw 23, and the fixing screw 23 is arranged in the water blocking box 25, and the fixing screw 23 is inserted into the building 30 from the upper surface of the top plate material 21 through the water stopping box 25. The screw head 23a of the fixing screw 23 protrudes from the upper surface of the top plate material 21, a cover positioning material 17 is provided on the inner surface of the cover top plate material 11, and the cover positioning material 17 is attached to the screw head. It is characterized in that the roof sheet metal accessory 20 is positioned at the time of construction by contacting the portion 23a.
According to the third aspect of the present invention, in the snow-covered ventilation cover 10 used for the roof sheet metal accessory 20 according to the second aspect, the cover positioning member 17 is hung from the inner surface of the cover top plate member 11. It has a pair of leg members 17a, a contact member 17b that connects the pair of leg members 17a and comes into contact with the top plate member 21, and a positioning opening 17c formed in the contact member 17b. The screw head 23a is brought into contact with the roof sheet metal accessory 20 for positioning.
According to the fourth aspect of the present invention, in the snow-covered ventilation cover 10 used for the roof sheet metal accessory 20 according to any one of the first to third aspects, the cover top plate material 11 is downward from both side ends. The cover side plate material 14 that hangs down, the cover side mounting plate material 15 that extends laterally from the lower end of the cover side plate material 14, and the cover rear that extends rearward from the rear end of the cover rear surface plate material 13. A cover mounting screw hole 15a, 16a is formed in the cover side mounting plate material 15 and the cover rear mounting plate material 16, and the cover mounting screw holes 15a, 16a are inside the water stop box 25. It is characterized by being placed in.
The present invention according to claim 5 is the snow-covered ventilation cover 10 used for the roof sheet metal accessory 20 according to any one of claims 1 to 4, below both side ends of the cover rear surface plate member 13. It is characterized in that the cover third opening 13y is formed.
According to the sixth aspect of the present invention, in the snow-covered ventilation cover 10 used for the roof sheet metal accessory 20 according to any one of claims 1 to 5, the cover rear plate material 13 is the cover top plate. It is characterized by having an inclination angle α of less than 90 degrees with respect to the material 11.

According to the ventilation cover for snow cover used for the roof sheet metal accessory of the present invention, snow can enter through the opening for the top plate by covering the opening for the top plate with the cover top plate material, and snow can enter the opening for the top plate. Since it is possible to prevent the roof from covering the roof and generate an air flow above the opening for the top plate, the negative pressure generated by the air flow can promote the exhaust from the room and the roof sheet metal. It is possible to prevent deterioration of the watertightness performance of the accessory.

Photograph of a ventilation cover for snow cover used for a roof sheet metal accessory according to an embodiment of the present invention. Explanatory drawing which shows the construction method of the ventilation cover for snow cover used for the sheet metal accessory for a roof by this Example. Cross-sectional view of the roof sheet metal accessory to which the ventilation cover for snow and the ventilation cover for snow according to this embodiment are attached. Cross-sectional view showing the configuration when a roof sheet metal accessory is installed on a steep roof top A cross-sectional view showing a state in which a roof sheet metal accessory is installed on the top of the lower roof of a building. A cross-sectional view showing a state in which a roof sheet metal accessory is installed on the top of a double-flow roof.

The snow-covered ventilation cover used for the roof sheet metal accessory according to the first embodiment of the present invention includes a cover top plate material that covers the upper part of the opening for the top plate, and a cover top plate material that is hung downward from the front end. It has a cover front plate material and a cover rear plate material extending rearward from the rear end of the cover top plate material, a cover first opening is formed behind the cover front plate material, and a cover second plate material is formed on the cover rear plate material. An opening is provided, and the first opening of the cover and the second opening of the cover communicate with a ventilation path formed between the cover top plate material and the top plate material. According to the present embodiment, by covering the opening for the top plate with the cover top plate material, it is possible to prevent snow from entering through the opening for the top plate and snow from covering the opening for the top plate. Further, according to the present embodiment, by not only forming the first opening of the cover but also providing the second opening of the cover, air is provided above the opening for the top plate as in the case where the ventilation cover for snow cover is not provided. Since the flow of the roof sheet metal can be generated, the negative pressure generated by the air flow can promote the exhaust from the room and prevent the watertightness of the roof sheet metal cover from deteriorating.

In the second embodiment of the present invention, in the snow-covered ventilation cover used for the roof sheet metal accessory according to the first embodiment, a cover positioning material is provided on the inner surface of the cover top plate material, and the cover positioning material is screwed. By bringing it into contact with the portion, it is positioned on the roof sheet metal accessory during construction. According to this embodiment, since the roof sheet metal accessory can be positioned at the time of construction, the snow ventilation cover can be attached at an appropriate position.

A third embodiment of the present invention is a pair of leg members in which the cover positioning material is hung from the inner surface of the cover top plate material in the ventilation cover for snow cover used for the roof sheet metal accessory according to the second embodiment. It has a contact material that connects a pair of leg members and comes into contact with the top plate material, and a positioning opening formed in the contact material, and the screw head is brought into contact with the positioning opening for positioning. According to the present embodiment, even if snow accumulates on the cover top plate material and a snow load is applied to the cover top plate material, the pair of leg members and the contact material serve as a support and the ventilation passage may be blocked. No.

In the fourth embodiment of the present invention, in the snow-covered ventilation cover used for the roof sheet metal accessory according to any one of the first to third embodiments, the cover top plate material is hung downward from both ends. It has a cover side plate material, a cover side mounting plate material extending laterally from the lower end of the cover side plate material, and a cover rear mounting plate material extending rearward from the rear end of the cover rear surface plate material. Cover mounting screw holes are formed in the mounting plate material and the cover rear mounting plate material, and the cover mounting screw holes are arranged in the water stop box. According to the present embodiment, since the cover mounting screw hole is arranged in the water stop box, even if rainwater invades from the cover mounting screw hole, the invading rainwater is received by the water stop box, so that rainwater indoors. Can be reliably prevented from invading.

A fifth embodiment of the present invention is a ventilation cover for snow cover used for a roof sheet metal accessory according to any one of the first to fourth embodiments, and the cover is provided below both side ends of the cover rear plate material. Three openings are formed. According to the present embodiment, even when the second opening of the cover is blocked by snow, the third opening of the cover can generate an air flow above the opening for the top plate.

A sixth embodiment of the present invention is a ventilation cover for snow cover used for a roof sheet metal accessory according to any one of the first to fifth embodiments, and the cover rear plate material is the cover top plate material. It has an inclination angle of less than 90 degrees. According to the present embodiment, rainwater from above the snow-covered ventilation cover can easily flow downward, and the amount of snow on the snow-covered ventilation cover can be reduced.

Hereinafter, a ventilation cover for snow cover used for a roof sheet metal accessory according to an embodiment of the present invention will be described.
FIG. 1 is a photograph of a ventilation cover for snow cover used for a roof sheet metal accessory according to this embodiment.
FIG. 1A is a photograph of the outer surface of the snow-covered ventilation cover, and FIG. 1B is a photograph of the inner surface of the snow-covered ventilation cover.
The snow-covered ventilation cover 10 used for the roof sheet metal accessory 20 (see FIG. 2) according to the present embodiment includes a cover top plate material 11, a cover front plate material 12 hanging downward from the front end of the cover top plate material 11. The cover rear plate material 13 extending rearward from the rear end of the cover top plate material 11, the cover side plate material 14 hanging downward from both side ends of the cover top plate material 11, and the side from the lower end of the cover side plate material 14. It has a cover side mounting plate 15 extending to and a cover rear mounting plate 16 extending rearward from the rear end of the cover rear plate 13.
The cover rear surface plate material 13 is provided with the cover second opening 13x, and the cover side mounting plate material 15 and the cover rear mounting plate material 16 are formed with cover mounting screw holes 15a and 16a.
A cover positioning material 17 is provided on the inner surface of the cover top plate material 11.
The cover positioning material 17 includes a pair of leg members 17a hanging from the inner surface of the cover top plate material 11 and a contact material 17b that connects the pair of leg members 17a and comes into contact with the top plate material 21 (see FIG. 2). It has a positioning opening 17c formed in the contact material 17b.
In this way, the cover positioning material 17 is a contact material that connects the pair of leg members 17a hanging from the inner surface of the cover top plate material 11 and the pair of leg members 17a and abuts on the top plate material 21 (see FIG. 2). By having 17b, even if snow accumulates on the cover top plate 11 and a snow load is applied to the cover top plate 11, the pair of leg members 17a and the abutting material 17b serve as a support, and the cover top plate 11 The ventilation passage X (see FIG. 3) formed between the top plate member 21 and the top plate member 21 is not blocked.

FIG. 2 is an explanatory view showing a method of constructing a ventilation cover for snow cover used for a roof sheet metal accessory according to the present embodiment.
FIG. 2A shows an installation process on the roof sheet metal accessory, and FIG. 2B shows a fastening process on the roof sheet metal accessory.
The roof sheet metal accessory 20 according to this embodiment is installed at the roof top of the building 30. The roof sheet metal accessory 20 has a top plate material 21 arranged on the roof surface 31, and the top plate material 21 is formed with an opening 22 for the top plate by cutting and raising.
The top plate material 21 is fixed to the roof surface 31 by the fixing screw 23. The screw head 23a of the fixing screw 23 projects onto the upper surface of the top plate material 21.
In the installation process of the roof sheet metal accessory 20 shown in FIG. 2 (a), the screw head 23a is brought into contact with the positioning opening 17c (see FIG. 1 (b)), and the roof sheet metal of the snow ventilation cover 10 is brought into contact with the roof sheet metal accessory 20. Positioning to the accessory 20 is performed.
In this way, by bringing the cover positioning material 17 into contact with the screw head 23a, the roof sheet metal accessory 20 can be positioned at the time of construction, so that the snow ventilation cover 10 can be attached at an appropriate position.
After the installation step on the roof sheet metal accessory 20 shown in FIG. 2 (a), the fastening step on the roof sheet metal accessory 20 shown in FIG. 2 (b) is performed.
In the step of fastening to the roof sheet metal accessory 20 shown in FIG. 2B, the cover fixing screws 18 are fastened to the cover mounting screw holes 15a and 16a.
As described above, the snow-covered ventilation cover 10 can be constructed by the step of installing it on the roof sheet metal accessory 20 and the step of fastening it to the roof sheet metal accessory 20.
As shown in FIG. 2B, the cover first opening 12x is formed behind the cover front plate material 12, and the cover third opening 13y is formed below both side ends of the cover rear plate material 13. ..
In this way, by not only forming the cover first opening 12x but also providing the cover second opening 13x, the air can be blown above the top plate opening 22 as in the case where the snow ventilation cover 10 is not provided. Since a flow can be generated, the negative pressure generated by the air flow can promote exhaust from the room. Further, even when the cover second opening 13x is blocked by snow, the cover third opening 13y can generate an air flow above the top plate opening 22.

FIG. 3 is a cross-sectional view of a roof sheet metal accessory to which the snow-covered ventilation cover and the snow-covered ventilation cover are attached according to the present embodiment.
The roof sheet metal accessory 20 is arranged in parallel with the top plate material 21 arranged on the roof surface 31 of the building 30, the hanging plate material 24a arranged on the wall surface of the building 30, and the gable base material 24a. It is provided with a gable base fixing plate material 24b fixed to, a connecting plate material 24c that connects the hanging plate material 24a and the gable base fixing plate material 24b, and a water stop box 25 attached to the lower surface of the top plate material 21.
Below the articulated plate material 24c, a gable plate swallowing portion A is formed between the hanging plate material 24a and the gable base fixing plate material 24b.
The top plate material 21 is formed with an opening 22 for the top plate by cutting and raising.
Further, at one end of the top plate material 21, a front plate material 26a for the top plate material and a roof surface contact plate material 26b extending from the end portion of the front plate material 26a for the top plate material and bent are formed.
The hanging plate material 24a is connected to the other end of the top plate material 21 and faces the front plate material 26a for the top plate material. At least, the top plate material 21, the hanging plate material 24a, the front plate material 26a for the top plate material, and the roof surface contact plate material 26b are formed by bending one plate material. In the present embodiment, the top plate material 21, the hanging plate material 24a, the gable base fixing plate material 24b, the connecting plate material 24c, the front plate material 26a for the top plate material, and the roof surface contact plate material 26b are formed by bending one plate material. Has been done.
The opening 22 for the top plate is preferably cut up by a downward lance, but may be cut up by a bridge.

The water stop box 25 includes a bottom plate material 25a arranged below the opening 22 for the top plate, a front plate material 25b erected at one end of the bottom plate material 25a, and a rear surface plate material erected at the other end of the bottom plate material 25a. It is composed of 25c and a side plate material 25d that connects the end portion of the front plate material 25b and the end portion of the rear surface plate material 25c.
The front plate material 25b is formed with a water passage hole (not shown) that enters through the opening 22 for the top plate and allows rainwater collected in the bottom plate 25a to flow out.
The rear plate material 25c is formed with an opening 25x for a water stop box.
The roof sheet metal accessory 20 has an opening 22 for the top plate and an opening 25x for the water stop box, and ventilates the building 30 indoors and outdoors.
The fixing screw 23 is inserted into the building 30 from the upper surface of the top plate material 21 through the water stop box 25, and fixes the top plate material 21 and the water stop box 25 to the roof surface 31. The fixing screw 23 is arranged in the water stop box 25.

The cover top plate material 11 covers the upper part of the top plate opening 22.
According to this embodiment, by covering the top plate opening 22 with the cover top plate material 11, it is possible to prevent snow from entering through the top plate opening 22 and snow from covering the top plate opening 22. can.
The cover first opening 12x and the cover second opening 13x communicate with the ventilation passage X formed between the cover top plate 11 and the top plate 21.
Further, according to this embodiment, by providing the cover first opening 12x and the cover second opening 13x, the upper part of the top plate opening 22, that is, the air passage, is provided as in the case where the snow ventilation cover 10 is not provided. Since the air flow can be generated in X, the negative pressure generated by the air flow can promote the exhaust from the room and prevent the watertightness of the roof sheet metal cover 20 from deteriorating.

The cover mounting screw holes 15a and 16a are arranged in the water stop box 25. By arranging the cover mounting screw holes 15a and 16a in the water stop box 25 in this way, even if rainwater invades from the cover mounting screw holes 15a and 16a, the invading rainwater is received by the water stop box 25, so that it is indoors. It is possible to reliably prevent the ingress of rainwater into the water.
The cover rear plate material 13 has an inclination angle α of less than 90 degrees with respect to the cover top plate material 11. In this way, by having the cover rear plate material 13 have an inclination angle α of less than 90 degrees with respect to the cover top plate material 11, rainwater from above the snow ventilation cover 10 can easily flow downward, and the snow ventilation cover. 10 You can reduce the amount of snow on the top.

FIG. 4 is a cross-sectional view showing a configuration when a roof sheet metal accessory is installed on a steep roof top. The same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted.
The snow-covered ventilation cover 10 according to the present embodiment can also be used when the roof sheet metal accessory 20 is installed on a steep roof top having a slope of 9 inches or more and 259 inches or less.
When the roof sheet metal accessory 20 is installed on the steep roof top in this way, the roof sheet metal accessory 20 has a reduced watertightness against crosswinds and rainwater easily enters, but the snow ventilation cover 10 Can improve watertightness.

FIG. 5 is a cross-sectional view showing a state in which a roof sheet metal accessory is installed on the lower roof top of a building. The same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted.
In this embodiment, the hanging member 24a is bent upward and placed on the outer surface of the outer wall base material. An under-roofing material and an exterior material are arranged on the outer surface of the hanging member 24a.
The snow-covered ventilation cover 10 according to this embodiment can also be used when a roof sheet metal accessory 20 is provided on the top of the lower roof.

FIG. 6 is a cross-sectional view showing a state in which the roof sheet metal accessory is installed on the top of the double-flow roof. The same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted.
The snow-covered ventilation cover 10 according to the present embodiment can also be used when the roof sheet metal accessory 20 is provided on the top of the double-flow roof.

The present invention is suitable for roof sheet metal accessories used in snowy areas.

10 Ventilation cover for snow cover 11 Cover top plate 12 Cover front plate 12x Cover first opening 13 Cover rear plate 13x Cover second opening 13y Cover third opening 14 Cover side plate 15 Cover side mounting plate 16 Cover rear mounting Plate material 15a, 16a Cover mounting screw hole 17 Cover positioning material 17a Leg material 17b Abutment material 17c Positioning opening 18 Cover fixing screw 20 Roof plate metal accessory 21 Top plate material 22 Top plate opening 23 Fixing screw 23a Screw head 24a Hanging plate material 24b Windbreak base fixing plate material 24c Connecting plate material 25 Water stop box 25a Bottom plate material 25b Front plate material 25c Rear plate material 25x Water stop box opening 26a Top plate material Front plate material 26b Roof surface contact plate material 30 Building 31 Roof surface Swallowing part X Ventilation path α Inclined angle

Claims (6)

The sheet metal for the roof
The top plate material placed on the roof of the building and
It has a water stop box attached to the lower surface of the top plate material.
An opening for the top plate is formed in the top plate material by cutting and raising.
The water stop box is arranged at least below the opening for the top plate.
A ventilation cover for snow cover used for the roof sheet metal accessory.
A cover top plate material that covers the upper part of the top plate opening,
A cover front plate material that hangs downward from the front end of the cover top plate material,
It has a cover rear plate material extending rearward from the rear end of the cover top plate material.
A first opening of the cover is formed behind the front plate material of the cover.
The cover rear plate material is provided with a cover second opening.
The first opening of the cover and the second opening of the cover communicate with a ventilation passage formed between the cover top plate material and the top plate material, and the snow cover used for the roof sheet metal accessory. Ventilation cover for. The roof sheet metal accessory
It has a fixing screw for fixing the top plate material and the water stop box to the roof surface.
The fixing screw is arranged in the water stop box and
The fixing screw is inserted into the building from the upper surface of the top plate material through the water stop box.
The screw head of the fixing screw protrudes from the upper surface of the top plate material.
A cover positioning material is provided on the inner surface of the cover top plate material, and the cover positioning material is provided.
The snow-covered ventilation cover used for the roof sheet metal accessory according to claim 1, wherein the cover positioning material is brought into contact with the screw head to position the roof sheet metal accessory during construction. .. The cover positioning material
A pair of leg members hung from the inner surface of the cover top plate material,
An abutting material that connects the pair of the leg members and comes into contact with the top plate material,
It has a positioning opening formed in the abutting material and has a positioning opening.
The snow-covered ventilation cover used for a roof sheet metal accessory according to claim 2, wherein the screw head is brought into contact with the positioning opening to position the roof sheet metal accessory. The cover side plate material hung downward from both side ends of the cover top plate material, and the cover side plate material.
A cover side mounting plate extending laterally from the lower end of the cover side plate, and a cover side mounting plate.
It has a cover rear mounting plate material extending rearward from the rear end of the cover rear surface plate material.
Cover mounting screw holes are formed in the cover side mounting plate material and the cover rear mounting plate material.
The snow-covered ventilation cover used for the roof sheet metal accessory according to any one of claims 1 to 3, wherein the cover mounting screw hole is arranged in the water stop box. The snow-covered ventilation cover used for the roof sheet metal accessory according to any one of claims 1 to 4, wherein the cover third opening is formed below both side ends of the cover rear plate material. The snow cover used for the roof sheet metal accessory according to any one of claims 1 to 5, wherein the cover rear plate material has an inclination angle of less than 90 degrees with respect to the cover top plate material. Ventilation cover for.

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