JP2002242384A - Supporting leg for protective plate for roof-floor waterproofing membrane and protective structure for roof-floor waterproofing membrane - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a supporting leg for a protective plate for a roof-floor waterproofing membrane and a protective structure for the roof-floor waterproofing membrane, which can prevent the protective plate from being blown off by wind pressure and promote melting of snow on the protective plate. SOLUTION: The supporting leg for the protective plate for the roof-floor waterproofing membrane is composed of an ascendable/descendable supporting part 1, whose height is adjustable and whose upper part has a supporting plate 3 for supporting respective corner parts 20a of the four square protective plates 20 by a top face, and a retaining plate 15 which makes the four corner parts 20a of the protective plate 20, supported by the supporting plate 3, retained from a top face thereof and is fastened to the supporting plate 3 with a bolt 16 in order to tightly fasten the protective plate 20. A positioning protrusion 11 for positioning the protective plate 20 is provided protrusively on the top face of the supporting plate 3 in such a manner that a required gap 22 can be opened between the protective plates 20 adjacent to each other at the respective corner parts 20a of the protective plates 20. The protective plate 20 for protecting the roof-floor waterproofing membrane is laid on the waterproofing membrane.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support leg for a protection plate of a rooftop waterproof layer of a building and a rooftop waterproof layer protection structure.

[0002]

2. Description of the Related Art Conventionally, as a means for protecting a waterproof layer provided on the roof of a building, a concrete protective plate is directly placed on the waterproof layer, or the protective plate is fixed with mortar to prevent the waterproof layer. It is common practice to lay on top of. However, if the concrete protection plate is placed directly, no space can be interposed between the waterproof layer and the protection plate,
Further, when the protective plate is fixed with mortar, there is a problem that the effluence may flow out and clog the drain.

In recent years, there has been disclosed a rooftop waterproof layer protection structure in which a space is interposed between a waterproof layer and a protection plate and mortar is not used for laying the protection plate (Japanese Patent Laid-Open No. Hei 2-16497).
No. 1). In this rooftop waterproof layer protection structure, the protection plate is supported by height-adjustable support legs, laid with a space between the rooftop waterproof layer, and each protection plate supported by the support legs is adjacent to the rooftop waterproof layer. The protection plates are supported so that one side of the protection plate is in close contact with each other and no gap is opened between them.

[0004]

However, in the rooftop waterproof layer protection structure as described above, since each protection plate is laid so that no gap is opened between adjacent ones, each protection plate is protected by wind pressure in the case of strong wind. By depressurizing the surface of the plate,
There is a problem that the protection plate may be turned up and blown off.

Further, in the above-mentioned rooftop waterproof layer protection structure, when snow is piled on the rooftop waterproof layer, there is a space below each of the protection plates, and this space acts as a heat insulating layer. There was a problem that the snow layer on the top did not melt easily.

SUMMARY OF THE INVENTION An object of the present invention is to provide a roof support layer for a roof waterproof layer and a roof waterproof layer protective structure capable of preventing the protective plate from blowing off by wind pressure and promoting snow melting on the protective plate. Is to do.

[0007]

According to a first aspect of the present invention, there is provided a support leg for a protection plate of a roof waterproof layer, wherein each of the four protection plates has a rectangular shape. A height-adjustable lifting / lowering support part having a support plate for supporting the corners on the upper surface, and pressing the four corners of the protection plate supported by the support plate from the upper surface thereof and fastening the bolts to the support plate by bolts, thereby securing the protection plate And a positioning plate for positioning the protective plate on the upper surface of the support plate so as to open a required gap between adjacent protective plates at each corner of the four protective plates. It is characterized in that the projection is provided in a protruding manner.

[0008] With this configuration, the four protection plates, each corner of which is supported by the support plate, are positioned between adjacent protection plates at each corner by the positioning projections projecting from the upper surface of the support plate. As a result, a gap can be opened, so that the protection plate can be reliably laid on the waterproof layer with a required gap between the protection plates. The protection plates laid on the waterproof layer are laid with a required gap between the protection plates, so that the space below each protection plate and the upper space of each protection plate communicate with each other through the gap. Therefore, the negative pressure at the upper part of the protection plate due to strong wind is reduced, and the protection plate can be prevented from being turned up and blown off. Warm air rises from the space below and can melt snow from below.

The invention according to a second aspect is characterized in that the positioning projection according to the first aspect is formed in a cross shape on the upper surface of the support plate.

[0010] With such a configuration, since the positioning projections are projected in a cross shape on the upper surface of the support plate, each corner of the four protection plates supported on the support plate is formed with the positioning projections of the cross shape. A required gap can be easily and reliably opened between adjacent protective plates at each corner by inserting the positioning projections so as to be engaged with the positioning projections.

[0011] The invention according to claim 3 is that the roof of the building,
A roof waterproof layer protection structure for protecting a roof waterproof layer of the building by laying a number of protective plates with a space interposed between the roof by supporting with a plurality of support plate support legs, and adjacent to the roof. A required gap is provided between the protection plates.

[0012] With this configuration, since the protective plates laid on the waterproof layer are laid with a required gap between the protective plates, the space below each protective plate and the upper space of each protective plate are separated by the gap. , Which reduces the negative pressure on the upper part of the protection plate due to strong wind, prevents the protection plate from turning over and blowing off, and even if there is snow on the protection plate, Warm air rises from the space below the protection plate from the gap, and the snow can be melted from below.

[0013] According to a fourth aspect of the present invention, on the roof of a building,
A roof waterproof layer protection structure for protecting a roof waterproof layer of the building by laying a number of protective plates with a space interposed between the roof by supporting with a plurality of support legs for the protective plate, and protecting the roof waterproof layer. 2. The support leg for a plate having the structure according to claim 1 is used, and each corner of four protection plates adjacent to each other with positioning projections protruding from an upper surface of the support plate of the support leg for the protection plate. The parts are positioned and required gaps are respectively opened between the adjacent protection plates.

[0014] With this configuration, since the protective plates laid on the waterproof layer are laid with the required gaps between the protective plates by the protective plate support legs, the space below each protective plate and each protective plate are provided. The upper space of the protection plate communicates with the space through the gap, thereby reducing the negative pressure on the upper portion of the protection plate due to strong wind, preventing the protection plate from turning over and blowing off. Even if there is snow on top, warm air rises from the space below the protection plate from the gap, and the snow can be melted from below.

[0015]

1 to 6 show an embodiment of a support leg for a protective plate of a rooftop waterproof layer according to the present invention. FIG. 1 is a front view of this embodiment, and FIG. FIG. 3 is a plan view of the support legs of FIG. 2; FIG. 4 is a plan view of the support legs of FIG. 2; FIG. FIG. 5 is a plan view and FIG.
FIG. 4 is a bottom view of a holding plate which is a part of the present example.

In the drawings, reference numeral 1 denotes an elevating support unit, which is constituted by an elevating unit 4 having a support leg 2 and a support plate 3 supported on the support leg so as to be adjustable in height. I have. The support leg 2 includes a base plate 5 installed on a rooftop waterproof layer of a building, and a male screw leg 6 erected at the center of the upper surface of the base plate 5. The base plate 5 has a circular shape, and a non-slip uneven portion 7 is provided on a lower surface thereof. The male screw leg 6 is provided with a hole 8 opening at the upper end.

The elevating unit 4 having the support plate 3 has a support plate 3 formed in a circular shape, and a lower surface at the center of the support plate 3 has a female screw screwed to the male screw leg 6 on the inner peripheral surface. A cylindrical leg 10 engraved with 9 protrudes downward. Further, on the lower surface of the support plate 3 at the center in the cylindrical leg 10, a female screw member 12 that fits into the hole 8 provided in the male screw leg 6 projects downward. A screw hole 13 is provided in the shaft center on the upper surface of the support plate 3.

The upper surface of the support plate 3 is adapted to support each corner of four rectangular protective plates, and the upper surface thereof is provided with a protective cover adjacent to each corner of the four protective plates. Positioning projections 11 for positioning the protection plate are provided so as to project a required gap between the plates. In this example, the positioning projection 11 is provided in a cross shape with the screw hole 13 as a center. The width of the positioning projection 11 regulates a gap between adjacent protective plates at each corner of the four protective plates.

Reference numeral 15 denotes a holding plate which presses the four corners of the protection plate supported by the support plate 3 from the upper surface thereof and is fastened to the support plate 3 by bolts 16 to fasten the protection plate. The holding plate 15 has a circular shape, and a hole 17 through which a bolt 16 is inserted is formed at the center thereof. Bolt 16 inserted into hole 17 of holding plate 15
Is screwed into a screw hole 13 opened on the upper surface of the support plate 3. Further, when the four corners of the protective plate supported by the support plate 3 are pressed from the upper surface, positioning protrusions 11 protruding from the upper surface of the support plate 3 allow each corner portion to be formed on the lower surface of the press plate 15. The locking projections 14 inserted into the gaps of the protection plates having a required gap between the adjacent protection plates project in a cross shape around the holes 17 so as to correspond to the positioning projections 11. Have been.

The support leg for the protective plate of the roof waterproof layer thus constructed is used as follows. First, the elevating support unit 1 is installed on the rooftop waterproof layer. At this time, since the base plate 5 which is in contact with the roof waterproof layer has a circular shape, damage to the waterproof layer is suppressed, and since the anti-slip irregularities 7 are provided on the lower surface, slip is prevented. You.

Next, the cylindrical leg 1 is attached to the male screw leg 6 of the support leg 2.
The height of the elevating support part 1 installed on the rooftop waterproof layer is adjusted by turning the elevating part 4 screwed with 0. After adjusting the height of the lifting / lowering support portion 1, the positioning projections 11 projecting in a cross shape from the corners of the four rectangular protection plates on the upper surface of the support plate 3.
Are inserted into the positioning projections 11 so as to be locked, and are supported on the upper surface of the support plate 3.
The four protection plates supported by the support plate 3 are positioned at the corners by the positioning protrusions 11, and a gap is formed between the adjacent protection plates at each corner according to the width of the positioning protrusions 11.

When the support plate 3 supports each corner of the four protection plates, the four corners of the protection plate supported by the support plate 3 by the holding plate 15 project from the upper surface thereof to the lower surface of the holding plate 15. The holding projections 14 are inserted into the gaps formed between the adjacent protection plates at the respective corners and held down, and the bolts 16 inserted into the holes 17 of the holding plate 15 are placed on the upper surface of the support plate 3. The protective plate is tightened by screwing into the screw hole 13 to be opened. Thus, the protective plate can be reliably laid on the waterproof layer with a required gap between the protective plates.

FIGS. 7 and 8 show an embodiment of a rooftop waterproof layer protection structure according to the present invention. FIG. 7 is a plan view of the rooftop waterproof layer protection structure of this embodiment, and FIG. FIG. 5 is a longitudinal sectional view of a portion where the protection plate is supported by the protection leg for the protection plate in the rooftop waterproof layer protection structure of FIG.

In the drawing, reference numeral 18 denotes a rooftop frame of a building, 1
9 is a waterproof layer provided on the rooftop body 18, and 20 is a waterproof layer 1.
9 is a protection plate laid on the waterproof layer 19 to protect the protection sheet 9. In this example, the protection plate 20 is made of concrete and formed in a square shape, but may be made of a synthetic resin and may be formed in a rectangular shape.

The protection plate 20 is provided on the waterproof layer 19.
With the required space 21 interposed and the adjacent protection plate 20
Are laid with a required gap 22 therebetween. As means for laying the protection plate 20 on the waterproof layer 19 as described above, the protection plate support legs shown in FIGS. 1 to 6 are used in this example.

In the rooftop waterproof layer protection structure of this embodiment, the waterproof layer 1
The elevating support unit 1 is installed on the top 9. At this time, since the base plate 5 in contact with the waterproof layer 19 has a circular shape, the waterproof layer is prevented from being damaged, and the lower surface is provided with anti-slip irregularities 7, so that slip is prevented. You.

By turning the lifting / lowering portion 4 in which the cylindrical leg 10 is screwed into the male screw leg 6 of the supporting leg portion 2, the upper surface of the supporting plate 3 provided above the lifting / lowering support portion 1 whose height has been adjusted Each corner 20a of the four rectangular protective plates 20 is supported, and each corner 20a of the four rectangular protective plates 20 is a positioning projection that projects in a cross shape on the upper surface of the support plate 3. 11, a gap 22 is formed between adjacent protective plates 20 at each corner 20a in accordance with the width of the positioning projection 11.

Each of the corners 20a of the four protective plates supported by the support plate 3 has a retaining projection 14 projecting from the upper surface of the protective plate 15 to the lower surface of the retainer plate 15. At 20a, it is pressed so as to be inserted into the gap 22 opened between the adjacent protective plates 20, and the pressing plate 1
The bolt 16 inserted into the hole 17 of the fifth screw is screwed into the screw hole 13 opened on the upper surface of the support plate 3, and the protection plate 20 is tightened. When the bolt 16 is screwed into the screw hole 13, the locking projection 14 projecting from the lower surface of the holding plate 15 is inserted into the gap 22 opened between the adjacent protection plates 20 at each corner 20 a. The locking projection 1
4 is locked to each corner 20a and rotation of the holding plate 15 is prevented, so that the work of tightening the protection plate 20 can be easily performed. In this way, the protection plate 20 is
Are provided with a required gap 22 between the protection plates 20.

With such a configuration, the protective plates laid on the waterproof layer are laid with a required gap between the protective plates, so that the space below each protective plate and the upper space of each protective plate are separated by the gap. , Which reduces the negative pressure on the upper part of the protection plate due to strong wind, prevents the protection plate from turning over and blowing off, and even if there is snow on the protection plate, Warm air rises from the space below the protection plate from the gap, and the snow can be melted from below.

In the rooftop waterproof layer protective structure thus constructed, the protective plate 20 laid on the waterproof layer 19 is supported by the supporting legs for the protective plate with the required space 21 interposed on the waterproof layer 19. In addition, since the required gaps 22 are laid between the protection plates 20, the space 21 below each protection plate 20 and the upper space of each protection plate 20 communicate with each other through the gap 22. Therefore, the negative pressure at the upper part of the protection plate 20 due to the strong wind is reduced, and the occurrence of the situation where the protection plate 20 is turned over and blows out can be prevented. The warm air rises from the space 21 below the protection plate 20, and the snow can be melted from below, thereby promoting the snow melting of the snow accumulated on the rooftop.

[0031]

As described above, according to the support leg for the protective plate of the rooftop waterproof layer according to the present invention, the protective plate between the adjacent protective plates at each corner of the four protective plates is formed on the upper surface of the support plate. Positioning projections for positioning the protection plate are provided so as to protrude so as to open a required gap. Therefore, the four protection plates supported at each corner by the support plate are provided on the upper surface of the support plate. A required gap can be opened and maintained between adjacent protective plates at each corner by the positioning projections, and when the positioning projections are projected in a cross shape on the upper surface of the support plate, By inserting each corner of the four protection plates supported on the support plate between each of the cross-shaped positioning projections so as to be engaged with the positioning projections, the protection plate adjacent at each corner is inserted. The required gaps are easily and reliably opened between each other, and It is possible to equity.

According to the rooftop waterproofing layer protection structure of the present invention, a large number of protective plates are supported on the rooftop of a building by interposing a space with respect to the rooftop by being supported by a large number of support legs for protective plates. It is a rooftop waterproof layer protection structure that lays and protects a rooftop waterproof layer of the building, and since required gaps are respectively opened between the adjacent protection plates, a space below each protection plate and a space between each protection plate are provided. The upper space communicates with the space through the gap, thereby reducing the negative pressure at the upper portion of the protection plate due to strong wind, preventing the protection plate from turning over and blowing off, and also allowing snow to cover the protection plate. Even if there is, warm air rises from the space below the protective plate from the gap, so that snow can be melted from below, and snow melting can be promoted.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of an embodiment of a support leg for a protection plate of a rooftop waterproof layer according to the present invention.

FIG. 2 is a front view of a support leg constituting a lifting support part which is a part of the protection plate support leg shown in FIG. 1;

FIG. 3 is a plan view of a support leg shown in FIG. 2;

FIG. 4 is a plan view of a lifting unit having a support plate that is a part of the protection plate support leg shown in FIG. 1;

FIG. 5 is a bottom view of the lifting unit shown in FIG. 4;

FIG. 6 is a bottom view of a holding plate that is a part of the protection leg for the protection plate shown in FIG. 1;

FIG. 7 is a plan view showing an example of an embodiment of a rooftop waterproof layer protection structure according to the present invention.

8 is a longitudinal sectional view of a portion where the protection plate is supported by the protection plate support legs in the rooftop waterproof layer protection structure shown in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Elevating support part 2 Support leg part 3 Support plate 4 Elevating part 5 Base plate 6 Male screw leg 7 Uneven part 8 Hole 9 Female screw 10 Cylindrical leg 11 Positioning projection 12 Female screw member 13 Screw hole 14 Locking projection 15 Pressing plate 16 Bolt 17 hole 18 roof frame 19 waterproof layer 20 protective plate 20a corner of protective plate 21 space 22 gap

Continued on the front page (72) Inventor Hideyuki Sato 51-1 Higashi-Miyahama, Higashimiyahama-cho, Miyagi-gun, Miyagi Prefecture (72) Inventor Tadashi Kurashima 2-21-9 Nakagamicho, Akishima-shi, Tokyo

Claims (4)

[Claims] 1. A height-adjustable lifting / lowering support portion having a support plate for supporting each corner of four rectangular protection plates on an upper surface, and four corners of the protection plate supported by the support plate. A support plate that presses from the upper surface and is fastened to the support plate by a bolt to fasten the protection plate; and on the upper surface of the support plate, between the protection plates adjacent at each corner of the four protection plates. A support leg for a roof waterproof layer, wherein a positioning projection for positioning the protective plate is provided so as to project a required gap. 2. The supporting leg for a roof waterproof layer according to claim 1, wherein the positioning projection is formed in a cross shape on an upper surface of the supporting plate. 3. The roof of the building is supported by the support legs of the plurality of protective plates, so that a large number of protective plates are laid with a space interposed between the roofs to protect the rooftop waterproof layer of the building. A rooftop waterproof layer protection structure, wherein a required gap is provided between adjacent protection plates. 4. A plurality of protective plates are laid on the roof of the building by being supported by a plurality of support legs for the protective plates with a space interposed between the roof and the roof to protect the rooftop waterproof layer of the building. A roof waterproof layer protection structure, wherein the protection plate support leg has the structure according to claim 1, and the protection plate support leg is adjacent to a positioning projection protruding from an upper surface of the support plate. The roof waterproofing layer protection structure, wherein corners of the four protection plates are positioned and required gaps are respectively opened between the adjacent protection plates.