JP2013177736A - Slate roof fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slate roof fixture which prevents a fixing screw for fixing to a slate roof and a fixing hole from being corroded, and a slate roof fixture with improved durability.SOLUTION: A slate roof fixture 10 for fixing a functional panel 5 of a solar cell or a hot water generator in parallel with structural materials 2 and 3 of a sloping slate roof 1 includes a recess 15 swelling downward at a bottom surface part 11 so as to be fixed in contact with a slate tile 4. The bottom wall part 21 of the recess 15 is provided with a fixing hole part 21a through which a fixing screw 8 is inserted. In a state that the fixture 10 is fixed on the slate roof 1, the slope angle of the lower side wall part 22a in the sloping direction of an outer peripheral wall part 22 which surrounds the bottom wall part 21 of the recess 15 is set to an angle sloping downward from a horizontal plane H.

Description

  TECHNICAL FIELD The present invention relates to a slate roof fixing bracket for fixing a plurality of functional panels such as a photovoltaic power generation panel and a solar hot water panel in parallel with a slate roof structural material, and in particular, a fixing screw for fixing the slate roof and its mounting. It relates to a material that prevents corrosion of the hole.

  Conventionally, the plurality of functional panels described above are disposed on a sloped roof of a house. When installing a functional panel as a solar power generation panel, the power generated by sunlight can be supplied as residential power, and when installing a functional panel as a solar hot water panel, hot water generated by solar heat can be used. It can be stored in a hot water tank and hot water supplied.

  By the way, in general, a plurality of functional panels are attached to an inclined roof via a mounting base, but when the roof structure of a house is a slate roof in which a plurality of slate tiles are laid, Since a step portion is generated along the inclination direction, it is necessary to install a plurality of functional panels so as to be parallel to the structural material of the roof while absorbing the step portion. For this reason, a gantry holding mechanism (fixing bracket) is provided between the mounting gantry and the slate roof so that the functional panel can be fixed in parallel to the structural material and can be disposed so as to straddle the stepped portion. Yes.

  For example, the gantry holding mechanism of Patent Document 1 includes a main body member that can fix a horizontal rack of a mounting gantry and a pair of U-shaped leg sections that are partially rotatably attached to the main body member. And the inclination of the main body member can be adjusted to match the inclination of the structural material of the roof via the pair of legs.

  Further, the gantry holding mechanism of Patent Document 2 includes a fixing bracket (slider base) to which a slider capable of fixing the mounting gantry is mounted, and a pair of recesses expanded downward is formed on the bottom surface of the fixing bracket. The functional panel can be fixed in parallel to the structural member of the roof by forming the fixing bracket so as to straddle the step portion via the pair of recesses.

Japanese Patent No. 3550948 JP 2008-57279 A

  However, the fixing bracket of Patent Document 2 has a structure in which a pair of recesses for fixing to the slate roof tile in contact with each other across the stepped portion is formed on the bottom surface. Each will stay.

  Since the fixing bracket and the fixing screw are often made of different metals, there is a risk of causing electrical corrosion using rainwater staying in the recess as a conductive medium, and there are fixing screws and mounting holes in the staying rainwater. Corrosion proceeds due to being immersed for a long time, and rainwater may enter the indoor space between the fixing screw and the mounting hole portion to cause rain leakage.

  The present invention provides a fixing screw for fixing to a slate roof and a fixing bracket for a slate roof that prevents corrosion of its mounting hole, and provides a fixing bracket for a slate roof that can improve durability, etc. It is.

  The slate roof fixing bracket according to claim 1 is a slate roof fixing bracket for fixing a functional panel composed of a solar cell or a hot water generator in parallel to a slanted slate roof structural material, and is provided below the bottom surface portion. A fixing bracket for a slate roof that has a recess that bulges and is fixed in contact with the slate roof tile, wherein a mounting hole portion through which a fixing screw is inserted is formed in the bottom wall portion of the recess, and the fixing bracket is mounted on the slate roof In the fixed state, the inclination angle of the lower side wall portion in the inclination direction of the outer peripheral wall portion surrounding the bottom wall portion of the recess is set to an angle inclined downward from the horizontal plane.

  The slate roof fixing metal fitting according to claim 2 is a slate roof fixing metal fitting for fixing a functional panel comprising a solar cell or a hot water generator in parallel with the slanted slate roof structural material, and is provided below the bottom surface portion. In the slate roof fixing bracket having a recess that bulges and is fixed in contact with the slate roof tile, a convex portion protruding upward is provided on the bottom wall portion of the concave portion, and a fixing screw is inserted into the convex portion. In the state where the mounting hole portion is formed and the fixing bracket is fixed on the slate roof, the mounting hole portion of the convex portion is configured to be positioned above the lowermost end portion in the inclined direction of the concave portion. It is a feature.

  The fixed metal fitting for slate roof according to claim 3 is characterized in that, in the invention according to claim 2, a drainage hole is formed at the lower end portion in the inclined direction of the recess.

  According to a fourth aspect of the present invention, there is provided the slate roof fixing bracket according to any one of the first to third aspects, wherein the fixing bracket is configured to have an upwardly open cross-sectional C shape and is parallel to the inclination direction of the bottom surface portion. The concave portions are respectively formed at two locations separated in the direction.

  According to the first aspect of the present invention, the mounting hole portion through which the fixing screw is inserted is formed in the bottom wall portion of the recess, and the outer peripheral wall portion surrounding the bottom wall portion of the recess is fixed in a state where the fixing bracket is fixed on the slate roof. Since the inclination angle of the lower side wall portion in the inclination direction is set to an angle inclined downward from the horizontal plane, rainwater flows downward in the inclination direction without staying in the concave portion when it rains. Therefore, since the fixing screws and mounting holes are not immersed in the accumulated rain water, corrosion of the fixing screws and mounting holes is prevented, thus preventing rain leakage and improving the durability of the fixing bracket. Can be made.

  According to invention of Claim 2, the convex part which protrudes upwards is provided in the bottom wall part of a recessed part, The attachment hole part which a fixing screw penetrates is formed in this convex part, The fixing bracket was fixed on the slate roof In the state, since the mounting hole portion of the convex portion is configured to be positioned above the lowermost end portion in the inclination direction of the concave portion, even if rainwater stays in the concave portion during rainfall, the upper limit water level of the retained rainwater Does not reach the mounting hole. Therefore, since the fixing screws and mounting holes are not immersed in the accumulated rain water, corrosion of the fixing screws and mounting holes is prevented, thus preventing rain leakage and improving the durability of the fixing bracket. Can be made.

  According to invention of Claim 3, since the drainage hole was formed in the inclination direction lower end part of the recessed part, since rainwater flows in the recessed part without staying in the recessed part, The effects of rainwater can be reliably suppressed.

  According to the invention of claim 4, the fixing bracket is configured to have an upwardly open cross-sectional C shape, and the recesses are formed at two locations separated in a direction parallel to the inclination direction of the bottom surface portion. There exists an effect similar to Claims 1-3.

It is a perspective view of the slate roof, functional panel, mount, and slate roof fixing bracket according to the first embodiment of the present invention. It is a partial vertical side view of a slate roof and a slate roof fixing bracket. It is a longitudinal cross-sectional view of the fixing metal fitting for slate roofs. It is a bottom view of the metal fitting for slate roofs. FIG. 5 is a cross-sectional view of the slate roof fixing bracket taken along the line V-V in FIG. 4. It is a longitudinal cross-sectional view of the slate roof fixing bracket according to the second embodiment. It is a bottom view of the metal fitting for slate roofs. It is the VIII-VIII sectional view taken on the line of FIG. 7 of the fixing metal fitting for slate roofs. It is a longitudinal cross-sectional view of the fixture for slate roof which concerns on the modified form of Example 2. FIG. FIG. 10 is a bottom view of the slate roof fixing bracket of FIG. 9.

  Hereinafter, modes for carrying out the present invention will be described based on examples.

  The present invention relates to a slate roof fixing bracket. First, a slate roof 1 to which the slate roof fixing bracket 10 of the present invention is applied will be briefly described.

  As shown in FIGS. 1 and 2, the slate roof 1 is arranged without gaps on a plurality of rafters 2 extending in a direction parallel to the inclination direction and arranged at equal intervals in the lateral direction, and on the plurality of rafters 2. The base plate 3 is provided and a plurality of slate roof tiles 4 superimposed on the base plate 3. On the slate roof 1, stepped portions 4 a formed by a plurality of superimposed slate roof tiles 4 are formed at equal intervals in the inclination direction.

  As shown in FIG. 1, a plurality of functional panels 5 (solar panels) made of solar cells are installed on a slate roof 1 via a gantry. The gantry is composed of a plurality of horizontal racks 6 that extend in the horizontal direction and are installed on the slate roof fixing bracket 10 at predetermined intervals in the vertical direction (inclination direction). The horizontal rack 6 is made of a strip of aluminum extruded material. At each intersection of the slate roof fixing bracket 10 and the horizontal rack 6, the horizontal rack 6 is fixed to the slate roof fixing bracket 10 by a positioning bracket (not shown).

  The plurality of function panels 5 constitute a plurality of (for example, two upper and lower) panel rows arranged in the horizontal direction, and each of the panel rows is arranged in a state in which the upper and lower ends are supported by two horizontal racks 6. Yes. FIG. 1 shows only one functional panel 5 out of a plurality of functional panels 5. However, in the present embodiment, the functional panel 5 is a solar panel, but is not limited to this, and may be a functional panel (solar hot water panel) including a hot water generator.

Next, the fixed metal fitting 10 for slate roofs of this invention is demonstrated.
As shown in FIG. 1 to FIG. 5, a plurality of slate roof fixing brackets 10 (hereinafter referred to as “fixing brackets 10”) includes a functional panel 5 and a structural material ( For fixing in parallel with the rafters 2 and the base plate 3). The plurality of fixing brackets 10 are vertically installed at a plurality of suitable lateral locations on the slate roof 1 so as to correspond to the installation locations of the plurality of rafters 2, and correspond to the installation locations of the horizontal rack 6. Thus, it is installed at predetermined intervals in the vertical direction (see FIG. 1).

  Each fixing bracket 10 is integrally formed by bending a plate made of stainless steel (SUS), and is configured to have a C-shaped cross section with an open top, and has two fixing screws 8 (so-called wood screws). It is being fixed to the slate roof 1 via. In addition, when each fixing bracket 10 is formed of a plate material made of ordinary steel, a coating mainly composed of magnesium for corrosion protection may be formed on the surface of each fixing bracket 10. Since the plurality of fixtures 10 have the same shape, only one fixture 10 will be described below.

  As shown in FIGS. 3 to 5, the fixture 10 includes a bottom surface portion 11 having a substantially rectangular shape in plan view, a pair of side plate portions 12 extending vertically from both lateral ends of the bottom surface portion 11, It has a pair of top plate parts 13 extending in a direction approaching each other from the ends of the pair of side plate parts 12, and a pair of recesses 15 formed at two locations separated in a direction parallel to the inclination direction of the bottom surface part 11. . At opposite ends of the pair of top plate portions 13, a bent portion 13 a that is slightly bent perpendicularly to the bottom surface portion 11 side is formed.

  In the central portion of the bottom surface portion 11, a plurality of long holes 11 a for visually recognizing the stepped portion 4 a due to the slate roof tile 4 are formed at equal intervals in the vertical direction. A waterproof butyl rubber sheet 16 is attached to the bottom surface of the pair of recesses 15.

Next, the pair of recesses 15 of the fixture 10 will be specifically described.
As shown in FIGS. 2 to 5, the pair of recesses 15 are formed in one end portion in the vertical direction and the other end portion in the vertical direction of the bottom surface portion 11, respectively. Since it has a shape, only one recess 15 will be described below.

  The concave portion 15 is formed so as to bulge downward from the bottom surface portion 11 and is fixed to the slate roof tile 4 in a contact manner. The recess 15 is formed of a bottom wall portion 21 having a substantially rectangular shape in plan view and an outer peripheral wall portion 22 surrounding the bottom wall portion 21.

  In order to contact the slate tile 4, the bottom wall portion 21 is formed in an inclined shape so that the depth of the concave portion 15 becomes shallower toward the lower side in the inclined direction. The bottom wall 21 is formed with a mounting hole 21a through which the fixing screw 8 is inserted. In addition, since the bottom wall part 21 of a pair of recessed part 15 is located in the both sides of the vertical direction of the level | step-difference part 4a of the slate roof 1, according to the thickness of the slate roof tile 4, it is in the direction orthogonal to the bottom wall part 21. They are formed so as to be shifted from each other.

  In the state where the inclination angle β of the inclination direction lower side wall portion 22a of the outer peripheral wall portion 22 of the recess 15 is set smaller than that of the inclination direction upper side wall portion 22b and the fixing bracket 10 is fixed on the slate roof 1, An angle inclined downward from the horizontal plane H is set.

  As shown in FIGS. 2 and 3, in a state where the fixing bracket 10 is fixed to the slate roof 1, the roof surface R of the slate roof 1 is inclined with respect to the horizontal plane H at an inclination angle α (for example, 16.7 degrees). Therefore, the lower side wall portion 22a is slightly inclined downward from the substantially horizontal state toward the lower side in the inclination direction. That is, the inclination angle β of the lower wall portion 22a is set to be slightly smaller than the inclination angle α of the roof surface R. Note that the inclination angle β of the lower wall portion 22a may be set to the same angle as the inclination angle α of the roof surface R.

Next, the operation and effects of the fixture 10 according to the present invention will be described.
As shown in FIG. 1, when fixing a plurality of functional panels 5 on a slate roof 1, first, a plurality of fixing brackets 10 are horizontally placed on the slate roof 1 so as to correspond to the installation positions of the rafters 2. They are installed vertically at appropriate locations in the direction, and are arranged at predetermined intervals in the vertical direction so as to correspond to the installation locations of the horizontal rack 6.

  At this time, the fixing bracket 10 is disposed on both sides in the inclination direction of the stepped portion 4a so as to straddle the stepped portion 4a, and a pair of concave portions 15 are in contact with the surfaces of the slate roof tiles 4 adjacent to each other in the inclined direction. The fixing screws 8 are respectively inserted into the mounting hole portions 21a of the pair of recesses 15 and the two fixing screws 8 are screwed to the rafter 2 and the base plate 3, respectively. Secure on top.

  Next, positioning brackets for connecting to the horizontal racks 6 are respectively attached to the plurality of fixing brackets 10, and the plurality of horizontal racks 6 are disposed on the fixing brackets 10 so as to extend in the horizontal direction and are spaced at predetermined intervals in the vertical direction. And the horizontal rack 6 is fixed to the fixing bracket 10. Next, the functional panel 5 is disposed between the two horizontal racks 6 so as to support the upper and lower ends, and the functional panel 5 is fixed to the horizontal rack 6.

  According to the fixing bracket 10, the mounting hole portion 21 a through which the fixing screw 8 is inserted is formed in the bottom wall portion 21 of the recess 15. When the fixing bracket 10 is fixed on the slate roof 1, the bottom wall portion of the recess 15 is formed. Since the inclination angle of the lower side wall portion 22a in the inclination direction of the outer peripheral wall portion 22 that surrounds 21 is set to an angle that is inclined downward from the horizontal plane H, the rainwater does not stay in the recess 15 at the time of raining. To flow into. Accordingly, since the fixing screw 8 and the mounting hole 21a are not immersed in the accumulated rainwater, the fixing screw 8 and the mounting hole 21a are prevented from being corroded, thereby preventing rain leakage and the fixing bracket 10. The durability of can be improved.

  Next, the fixing bracket 10A according to the second embodiment in which the above-described fixing bracket 10 is partially changed will be described. However, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only the components will be described.

  As shown in FIGS. 6 to 8, the fixing bracket 10 </ b> A has a pair of recesses 15 </ b> A formed at two locations separated in a direction parallel to the inclination direction of the bottom surface portion 11 </ b> A, and each recess 15 </ b> A has a bottom surface portion 11 </ b> A. And are fixed to the slate roof tile 4 in contact with each other.

  The recess 15A is formed of a bottom wall portion 21A having a substantially rectangular shape in plan view and an outer peripheral wall portion 22A surrounding the bottom wall portion 21A. The bottom wall portion 21 </ b> A is formed in an inclined shape so that the depth of the concave portion 15 </ b> A becomes shallower toward the lower side in the inclination direction.

  The bottom wall portion 21A of the concave portion 15A is provided with a convex portion 25 having a circular shape in plan view and projecting in the vicinity of the vicinity of the bottom surface portion 11A (in a direction orthogonal to the bottom wall portion 21A). A mounting hole 25a through which the fixing screw 8 is inserted is formed in the central portion. The mounting hole portion 25a of the convex portion 25 is above the lowermost end portion L (the bottom boundary portion 11A and the lower boundary portion of the concave portion 15A) in the inclined direction of the concave portion 15 in a state where the fixing bracket 10A is fixed on the slate roof 1. It is comprised so that it may become a position.

  When the fixing bracket 10A is arranged in a horizontal posture in which the bottom surface portion 11A is in a horizontal state, the mounting hole portion 25a of the convex portion 25 is positioned below the lowest end portion L in the inclination direction of the concave portion 15A. As shown in FIG. 4, in the state where the fixing bracket 10A is fixed to the slate roof 1, the roof surface R of the slate roof 1 is inclined at an inclination angle α with respect to the horizontal plane H, so that the mounting hole portion 25a of the convex portion 25 is The position is higher than the lowest end L of the recess 15A in the inclination direction.

  According to the fixing bracket 10A, a convex portion 25 protruding upward is provided on the bottom wall portion 21A of the concave portion 15A, and an attachment hole portion 25a through which the fixing screw 8 is inserted is formed in the convex portion 25, and the fixing bracket 10A is attached. In the state fixed on the slate roof 1, the mounting hole portion 25a of the convex portion 25 is configured to be positioned above the lowermost end portion L in the inclination direction of the concave portion 15A. Even if it stays, the upper limit water level of the staying rainwater does not reach the mounting hole 25a. Accordingly, since the fixing screw 8 and the mounting hole 25a are not immersed in the accumulated rainwater, the fixing screw 8 and the mounting hole 25a are prevented from being corroded, thereby preventing rain leakage and the fixing bracket 10A. The durability of can be improved.

Next, a mode in which the first and second embodiments are partially changed will be described.
[1] As shown in FIGS. 9 and 10, a plurality of recesses 15 </ b> A of the pair of fixing brackets 10 </ b> A according to the second embodiment are provided with a plurality of lower end portions (inclination direction lower end portions of the bottom wall portion 21 </ b> A). The drain holes 27 may be formed respectively. According to this configuration, since the plurality of drain holes 27 are formed at the lower end of the recess 15A in the inclined direction, rainwater does not stay in the recess 15A and flows downward in the inclined direction. The influence of rainwater on the portion 25a can be reliably suppressed.

[2] The fixing brackets 10 and 10A of the first and second embodiments are configured to be fixed to the slate roof 1 with one fixing screw 8 for each of the recesses 15 and 15A, but are not particularly limited to this configuration. A configuration may be adopted in which the recesses 15 and 15A are fixed to the slate roof 1 with two or more fixing screws 8. In this case, according to the number of the fixing screws 8, in the first embodiment, the mounting hole portion 21a is additionally formed in the bottom wall portion 21, and in the second embodiment, the convex portion 25 is additionally formed in the bottom wall portion 21A. A mounting hole 25 a may be additionally formed in the convex portion 25.

[3] In the fixtures 10 and 10A of the first and second embodiments, the side view shape of the recesses 15 and 15A can be appropriately changed according to the thickness of the slate roof tile 4.

[4] In addition, those skilled in the art can implement the present invention by adding various modifications without departing from the spirit of the present invention, and the present invention includes such modifications. It is.

1 Slate roof 2 Rafter (structural material)
3 Field plate (structure material)
4 Slate roof tile 4a Step part 5 Function panel 8 Fixing screw 10, 10A Slate roof fixing bracket 11, 11A Bottom part 15, 15A Recess 21, 21A Bottom wall part 21a Mounting hole part 22, 22A Outer wall part 22a Lower side wall part 25 Convex part 25a Mounting hole 27 Drain hole

Claims (4)

A slate roof fixing bracket for fixing a functional panel composed of a solar cell or a hot water generator in parallel with a slanted slate roof structural material, which bulges downward on the bottom surface and contacts the slate roof tile. In the slate roof fixing bracket having a recessed portion to be fixed,
A mounting hole through which a fixing screw is inserted is formed in the bottom wall of the recess,
In a state where the fixing bracket is fixed on the slate roof, the inclination angle of the lower side wall portion in the inclined direction of the outer peripheral wall portion surrounding the bottom wall portion of the concave portion is set to an angle inclined downward from the horizontal plane. Fixing bracket for slate roof. A slate roof fixing bracket for fixing a functional panel composed of a solar cell or a hot water generator in parallel with a slanted slate roof structural material, which bulges downward on the bottom surface and contacts the slate roof tile. In the slate roof fixing bracket having a recessed portion to be fixed,
A convex portion protruding upward is provided on the bottom wall portion of the concave portion, and an attachment hole portion through which a fixing screw is inserted is formed in the convex portion,
In the state where the fixing bracket is fixed on the slate roof, the fixing hole for the slate roof is configured such that the mounting hole portion of the convex portion is positioned above the lowest end portion in the inclined direction of the concave portion. Hardware.   The slate roof fixing bracket according to claim 2, wherein a drainage hole is formed at a lower end portion in the inclined direction of the concave portion. The fixing bracket is configured in a C-shaped cross section with an open top shape,
The slate roof fixing bracket according to any one of claims 1 to 3, wherein the recesses are respectively formed at two locations separated in a direction parallel to the inclination direction of the bottom surface portion.