JP3090619U - Snow eaves prevention device - Google Patents

Abstract

(57) [Summary] [Problem] To provide a snow eaves occurrence prevention device that can easily adjust the entire height and reduce the manufacturing cost. SOLUTION: A snow eaves occurrence prevention device in which a snow cutting plate c is replaceably attached to a top portion 18 of a main body a to which an inclined plate b is attached facing upward on the windward side by required attachment means.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a snow eaves prevention device installed on the upper edge portion of a building, comprising a snowboard at the top of a main body having an inclined plate facing upward on the windward side.

[0002]

[Prior art]

[0003] In a snowfall area, if there is a wind at the time of snowfall, snow on the rooftops is protruding to the upper edge of the leeward side of the building, and a snow eaves is generated. This snowy eaves is formed by the wind that blows over the roof, which forms a vortex that winds down on the leeward side of the building, reducing the wind speed and sticking to the snow on the roof due to its stickiness. It grows downwind. Large grown cornices fall under their own weight, which can harm passers-by or damage buildings.

[0004] As a device for preventing harm or damage caused by such a snow eave, for example, there is a snow eave occurrence prevention device described in Japanese Patent No. 2888298 proposed by the present inventors.

As shown in FIG. 6, on a parapet 1 on the leeward side of a building roof, a main body 2 having a triangular cross section is inclined with a vertical plate 3 facing the outside (leeward side) of the building. The snowboard 5 is vertically fixed on the top of the main body 2 while the board 4 is arranged inward (upwind). At the time of mounting work of the snow eaves prevention device, first, the second support 8 for supporting the main body 2 is bolted to the first support 7 previously established in the parapet 1 by penetrating the cover 6. Fix tightly at 9,9. Since the bolt insertion slots 10 and 10 formed in the second support 8 are vertically long, the position of the second support 8 is adjusted, and the bolts 9 and 9 are tightened. The entire height can be adjusted. Then, after adjusting the height of the second column 8 and fixing it, the vertical plate 3 and the inclined plate 4 are attached to assemble the main body 2, and the snow-cutting plate 5 is fixed on the top of the main body 2 by standing and fixing. The installation of the occurrence prevention device is completed. According to the snow eaves prevention device, the wind blowing over the building is forcibly directed upward by the inclined plate 4 to increase the wind speed, thereby moving the position of the vortex generated on the leeward side of the building away from the wall surface. , Can prevent the occurrence of snow eaves.

[0006]

[Problems to be solved by the invention]

 However, it was necessary to manufacture the above-mentioned snow eaves prevention device at an appropriate height in accordance with the conditions such as the roof snow depth of each building, so it was difficult to reduce the manufacturing cost. In addition, when the weather on the roof changed more than expected due to changes in weather conditions after installation, it was necessary to replace the equipment with another height. However, replacing the entire device was not easy and costly.

[0007] Therefore, the present invention enables the use of a main body manufactured at a fixed height regardless of the installation location, thereby reducing the manufacturing cost and appropriately selecting a snow-cutting board of a required height. It is an object of the present invention to provide a snow eaves occurrence prevention device that can easily adjust the entire height by selectively replacing the same. Also, by assembling the main body in advance, it can be easily installed on the site, and the purpose is to greatly reduce the installation cost.

[0008]

[Means for Solving the Problems]

According to the present invention, there is provided an apparatus for preventing the occurrence of a snow eave, comprising a snow cutting board provided on a top of a main body having an inclined plate mounted on a windward and upward side. c is exchangeably mounted on the top 18 by a required mounting means.

[0010] According to the present invention, the snow cutting board c is formed by folding a horizontally long aluminum plate in half along a horizontally long center line and forming a protruding portion 41 in which an upper half portion including the fold is closely contacted, The lower half is separated to form a substantially inverted Y-shape in cross section as a bifurcated mounting portion 41 'that fits into the top portion 18 of the main body a. The bifurcated mounting portion 41' is fitted to the top portion 18 of the main body a. The snow eaves prevention device according to claim 1, which is mounted.

According to the third aspect of the present invention, the main body a has right-angled triangular cover plates 11, 11 erected on the right and left, and a plurality of right-angled triangular reinforcing plates 12. .., And each of the plates 11, 11, 12... Is formed on a flange formed on two sides sandwiching the right angle, and a bottom plate portion 14 of the exterior plate 13 formed by bending at a right angle is continuous with the right angle. And the vertical plate portion 15 is stretched and fixed, so that the top portion 18 has an inverted V-shaped cross section, and the opening portion 19 is formed on the oblique side of each of the plates 11, 11, 12,... The snow eaves prevention device according to claim 1 or 2, wherein the device is formed.

According to the present invention, in the present invention, the main body a has right and left triangular cover plates 11, 11 each having a flange formed on an outer peripheral edge thereof, and the main body a has a flange on the outer peripheral edge between them. A plurality of right-angled triangular reinforcing plates 12 are formed upright, and the outer plates 13 are formed by bending the right-angled flanges on the two sides of the respective plates 11, 11, 12. The bottom plate 14 and the vertical plate 15 continuous with the right angle interposed therebetween are stretched and fixed by required fixing means, so that they are fully integrated and bent at the front end of the bottom plate 14. The formed lower upright portion 16 is provided on the lower side of the flange on the oblique side of each of the plates 11, 11, 12,... The upper part of the flange on the oblique side of each of the plates 11, 11, 12,... In addition, each of them is stretched and fixed by required fixing means, the top 18 has an inverted V-shaped cross section, and a horizontal rectangular opening 19 is formed between the lower standing portion 16 and the upper hanging portion 17. The snow eaves prevention device according to claim 1 or 2, wherein the opening 19 has a triangular cross-section with a slanted flange of each of the plates 11, 11, 12,.

According to a fifth aspect of the present invention, the height of the main body a and the horizontal position orthogonal to the longitudinal direction of the main body a, which have been assembled in advance, are set within a certain range according to the situation at the site. The bolts 20 and 20 of the reinforcing plates 12 are fixed at the intersections of the elongated bolt insertion holes 20 and 20 of the reinforcing plate 12 and the elongated bolt insertion holes 27 and 27 of the core plate 28 of the column base 24. The snow eaves prevention device according to claim 3 or 4, wherein the device is attached by inserting bolts (37) and (37) and screwing and tightening a nut.

According to a sixth aspect of the present invention, a plurality of the snow eaves prevention devices according to the third, fourth, or fifth aspect are continuously installed in the longitudinal direction, and the main body a adjacent to each other is provided. The opposite lid plates 11 are tightened and connected by connecting bolts 45 and nuts, and a connecting portion between the snow-cutting plates c is provided between the closely-connected double aluminum plates of the protruding portions 41 in a plate shape. Is a snow eaves occurrence prevention device sandwiching the joiner 46 of FIG.

[0015]

[Embodiment of the invention]

 Hereinafter, one embodiment of a snow eaves prevention device according to the present invention will be described in detail with reference to FIGS.

A is an aluminum body having a right-angled triangular cross-section, which is provided with right- and left-sided right-angled triangular-shaped lid plates 11 and 11 having a flange formed on an outer peripheral edge thereof. A plurality of right-angled triangular reinforcing plates 12 each having a flange formed on the outer peripheral edge are erected, and each of the plates 11, 11, 12,. The bottom plate portion 14 and the vertical plate portion 15 of the formed exterior plate 13 that are continuous with the right angle interposed therebetween are stretched and fixed by fixing means such as welding, screws, rivets, etc., and are integrally formed. At the front end of the bottom plate portion 14, a lower standing portion 16 is formed by bending, and the lower standing portion 16 is provided on the lower side of the flange on the oblique side of each of the plates 11, 11, 12,. An upper hanging part 17 is bent at the upper end of the upper part 15 and is attached to the upper part of the flange on the oblique side of each of the plates 11, 11, 12,. It is fixed. Thus, the main body a has a top 18 having an inverted V-shaped cross section and a horizontal rectangular opening 19 formed between the lower standing portion 16 and the upper hanging portion 17. The flanges on the oblique sides of the plates 11, 11, 12,...

Further, the reinforcing plates 12 are provided with elongated bolt insertion holes 20, 20 for fixing the main body a to a core plate 28 of a column base 24 described later, and the bottom plate portion 14 is provided. Core plate insertion holes 21 for inserting the core plate 28 from below are provided at positions corresponding to the reinforcing plates 12.

Reference numeral 22 denotes a parapet on the leeward side of the building, and reference numerals 23... Denote anchor bolts planted on the upper surface of the parapet at required intervals. Reference numeral 24 denotes a column base established on the upper surface of the parapet 22 by means of the anchor bolts 23 and nuts 25. The base plate has vertically elongated bolt insertion holes 27, 27 formed in a base plate 26. 28. Numeral 29 denotes a skirt, which is fixed to the upper surface of the parapet 22 by a skirt mount holder 31 by inserting the core plates 28 of the pedestals 24 into the elongated holes 30. Reference numeral 32 denotes a column base cover which is mounted on and fixed to the heddle 29 by passing the core plate 28 projecting from the long hole 30 of the heddle 29 through a central window hole 33. The column base cover 32 is formed by bending the lower edge of the outer peripheral wall 34 inward to form an outer peripheral groove 35 on the lower outer periphery. The outer circumferential groove 35 is filled with a sealing material 36 so as to prevent water from entering between the outer circumferential groove 35 and the cover 29. The gap between the window holes 33 from which the core plates 28 are projected is also filled with a sealing material so that water does not enter the inside of the column base cover 32.

In the main body a, the vertical plate portion 15 faces the outside (leeward side) of the building, and the opening 19 faces the inside (windward side) of the building upward, on the parapet 22 as follows. It is attached. First, the main body a, which has been assembled in advance, is lowered by fitting its core plate insertion holes 21 into the core plates 28 of the column bases 24 from above. And the horizontal position perpendicular to the longitudinal direction are adjusted appropriately within a certain range according to the situation at the site. Then, the fixing bolts 37, 37 are inserted into the intersections between the horizontally long bolt insertion holes 20, 20 of the reinforcing plate 12 and the vertically long bolt insertion holes 27, 27 of the core plate 28, and the nut is inserted. Fix by screwing and tightening.

“B” denotes an inclined plate formed by connecting a curved surface 38 ′ to one side of the flat surface 38. Screw insertion holes 39... And 40... Are opened at the corresponding positions of the main body a and the inclined plate b. By inserting screws into the screw insertion holes 39, 40,..., The inclined plate b closes the opening 19 of the main body a in the main body a, and moves the flat surface 38 upward on the windward side. It is installed in the inclined state.

The inclined plate “b” directs the wind direction of the wind blowing over the building upward and at the same time, increases the wind speed, separates the position of the vortex generated on the lee of the building from the wall surface, and prevents the occurrence of a snow eaves. The inclination is preferably 45 ° or more, and particularly preferably about 55 ° to 60 °, which is optimal for preventing snow eaves from occurring.

C, a horizontally long aluminum plate is folded in half along a horizontally long center line, the upper half including the fold is formed as a protruding portion 41 which is closely contacted, and the lower half is separated to form the main body a. This is a snow plate having a substantially inverted Y-shaped cross section, which is a bifurcated mounting portion 41 ′ fitted to the top portion 18. The snow plate c is exchangeably mounted on the top 18 by a required mounting means in a state where the forked mounting portion 41 'is fitted and mounted on the top 18 of the main body a. Specifically, the mounting means comprises a bifurcated mounting portion 41 'and mounting holes 42, 43, and screws 44, which are formed at corresponding locations on the top 18 of the main body a. c is attached to the mounting holes 42, 43, 43 by screwing and tightening screws 44.

When the rooftop snowfall exceeds the snowboard c, the wind 48 blowing along the upper surface 47 of the snowfall is caught in the shadow of the building, and a snow eave 49 begins to grow on the leeward side of the building (FIG. 5). However, as the weight of the snow falls due to its own weight and the upper surface 47 sinks to 50, the snow eaves 49 are cut off by the snow cutting board c before growing large.

In the present snow eaves prevention device, the above-mentioned snow-cutting plate c is exchangeably mounted, so that the main body a is manufactured and used with a certain size, and only the snow-cutting plate c is appropriately sized. By changing to a new one, the overall height can be easily adjusted according to the weather conditions at the installation location and the shape and area of the roof. That is, since the main body a manufactured at a certain height can be used regardless of the installation location, the manufacturing cost of the apparatus is reduced. In addition, when the snow cover on the roof may exceed the expected amount due to changes in the weather conditions after installation, or when the snow plate c is damaged, the snow eaves prevention function can be implemented simply by replacing the snow plate c. It is economical because the main body a itself does not need to be replaced.

Further, as is apparent from the above, the main body a of the present snow eaves prevention device can be mounted by adjusting its position from the opening 19 side facing the roof, and the inclined plate b and the snow cutting plate can be attached. Since c can be easily installed from the rooftop, installation work can be performed safely without building a scaffold outside the building, and installation work costs can be reduced.

When a plurality of the snow eaves prevention devices are continuously installed in the longitudinal direction, the opposing cover plates 11 of the main body a adjacent to each other are connected by connecting bolts 45 and nuts. Tighten and connect. The main body a has sufficient strength because the reinforcing plates 12 are arranged inside. However, the strength can be further increased as a whole by connecting the main body a continuously in the longitudinal direction. it can. In addition, a connection portion between the snow cutting boards c is connected by sandwiching a plate-shaped joiner 46 between a double aluminum plate in which the protruding portion 41 is closely contacted. As a result, it is possible to prevent the snow plates c 1 from shifting from each other, and to make the appearance good.

[0027]

[Effect of the invention]

 As is apparent from the above description, the following effects are obtained according to the snow eaves occurrence prevention device of the present invention. The inclined plate directs the wind direction upward and increases the wind speed, so that the position of the vortex generated on the leeward side of the building can be separated from the wall surface, preventing the occurrence of the snow eaves, and the snow cutting plate allows the snow eaves to grow greatly Can be cut before. In addition, since the snow-cutting plate was mounted so as to be replaceable, the main unit was manufactured and used with a certain size, and only the snow-cutting plate was replaced with an appropriate size, so that the weather at the installation location The overall height can be easily adjusted according to the situation, roof shape and area. Therefore, regardless of the installation location, it is possible to use the main body that has been manufactured at a fixed height, so that the manufacturing cost of the device is reduced. In addition, if the snow on the roof may exceed the expected amount due to changes in the weather conditions after installation, or if the snowboard is damaged, only the snowboard needs to be replaced. It is economical because there is no need.

In the snow eaves prevention device according to the second aspect of the present invention, since the snow cutting board has a substantially inverted Y-shaped cross section with the lower half part being a forked mounting part, the snow cutting board can be easily fitted on the top of the main body. It can be mounted and mounted.

The snow eaves prevention device according to the third and fourth aspects of the present invention has sufficient strength because the main body is provided with the reinforcing plate.

The snow eaves prevention device according to the fifth aspect of the present invention can be easily attached because the main body is assembled in advance. Further, since the bolt insertion slot of the core plate is vertically long and the bolt insertion slot of the reinforcing plate is horizontally long, the position of the main body can be easily adjusted and fixed.

In the snow eaves prevention device according to the present invention, the opposing cover plates of the adjacent main bodies are tightened and connected by bolts and nuts. Because the joiner is sandwiched between the double aluminum plates in the section and connected, the strength is high and the appearance is good.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a snow eaves prevention device according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line XX of FIG.

FIG. 3 is an exploded perspective view of the snow eaves occurrence prevention device.

FIG. 4 is a perspective view showing a state where the snow eaves prevention device is continuously installed in a longitudinal direction.

FIG. 5 is an explanatory diagram showing an action of a snow cutting board to cut off a snow eave.

FIG. 6 is a cross-sectional view of a conventional snow eaves occurrence prevention device.

[Explanation of symbols]

 Reference Signs List a Main body b Inclined plate c Snow cut plate 11 Cover plate 12 Reinforcement plate 13 Exterior plate 14 Bottom plate portion 15 Vertical plate portion 16 Lower standing portion 17 Upper hanging portion 18 Top portion 19 Opening portion 20 Bolt insertion long hole 21 Core plate insertion hole 22 Parapet 24 Pillar base 27 Bolt insertion long hole 37 Fixing bolt 41 Projecting part 41 'Bifurcated mounting part 45 Connecting bolt 46 Joiner

Claims (6)

[Utility model registration claims] 1. A snow eaves prevention device comprising a snow plate on the top of a main body having an inclined plate facing upward on the windward side, wherein the snow plate is replaceable on the top by required mounting means. An apparatus for preventing snow eaves from being attached. 2. The snow cutting board according to claim 1, wherein a horizontally long aluminum plate is folded in half along a horizontally long center line, an upper half including the fold is formed as a protruding portion, and a lower half is separated to form the main body. 2. The snow eaves prevention device according to claim 1, wherein the forked mounting portion is fitted into the top of the main body, and has a substantially inverted Y-shaped cross section, and the forked mounting portion is fitted and mounted on the top of the main body. . The main body has right-angled triangular cover plates erected on the left and right, and a plurality of right-angled triangular reinforcing plates are also erected between them, and the right angle of each of these plates is sandwiched therebetween. On the flange formed on the side, the bottom plate and the vertical plate that are continuous across the right angle of the exterior plate bent at a right angle are stretched.
3. The cornice according to claim 1 or 2, wherein the fixing means is integrally formed, has a top formed in an inverted V-shaped cross section, and has an opening formed on an oblique side of each plate. Prevention device. 4. A right-angled triangular cover plate having a flange formed on the outer peripheral edge of the main body, and a plurality of right-angled triangular reinforcing plates also formed with a flange on the outer peripheral edge are interposed therebetween. The bottom plate portion and the vertical plate portion of the exterior plate bent at a right angle and continuous with the right angle sandwiched by the flanges on two sides sandwiching the right angle of each plate are stretched by required fixing means. By mounting and fixing, it is fully integrated,
And, the lower standing portion bent at the front end of the bottom plate portion, the lower side of the flange on the oblique side of each plate,
The upper hanging portion bent at the upper end of the vertical plate portion is stretched and fixed to the upper portion of the flange on the oblique side of each plate by a required fixing means, and the top portion has an inverted V-shaped cross section. Along with the lower standing part and the upper hanging part, a horizontal rectangular opening is formed, and the opening is a triangular cross section with a flange on the hypotenuse of each plate facing the opening. 3. The snow eaves occurrence prevention device according to claim 1 or 2. 5. A main body which has been previously assembled integrally,
The height of the main body, and the horizontal position orthogonal to the longitudinal direction, appropriately adjusted within a certain range according to the situation of the site,
Insert the fixing bolt into the intersection of the horizontally long bolt insertion hole of the reinforcing plate and the vertically long bolt insertion hole of the core plate of the column base, and attach it by screwing and tightening the nut. The snow eaves occurrence prevention device according to claim 3 or 4, wherein: 6. A plurality of the snow eaves prevention devices according to claim 3, 4 or 5, which are continuously installed in the longitudinal direction.
In addition, the adjacent lid plates of the adjacent main bodies are tightly connected to each other with connecting bolts and nuts, and a connecting portion between the snow-cutting plates is provided between two closely spaced aluminum plates having protruding portions. A snow eaves occurrence prevention device characterized by having a shape-like joiner sandwiched therebetween.