JPH10299178A - Roofing tile and fixing structure therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve waterproof property by arranging a male tongue inclined so as to lower to the eaves side in one side part of a roof tile main body, arranging a female groove to overlap with the male tongue in the other side part, and arranging draining grooves in the eaves ridge direction on an upper surface of the male tongue. SOLUTION: A male tongue 3 projecting sideways from a lower side part is arranged in one side part of a roof tile main body 1 having a plate part, and a female groove 2 is formed in the other side part in response to it so as to overlap with the male tongue 3. This male tongue 3 is inclined so as to lower to the eaves side, and the female groove 2 is inclined in response to this. Draining grooves 5 and 5 to drain water such as rainwater are also arranged in the eaves ridge direction on an upper surface of the male tongue 3. Then, even if rainwater enters between mutual roof tile main bodies 1, that is, between the overlapping male tongue 3 and female groove 2, it flows in the draining grooves 5, and flows down toward the eaves from a ridge by going along these.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof tile and a fixing structure thereof, and more particularly, to a roof tile such as a ceramic tile, a cement tile, an asbestos slate tile, a synthetic resin tile, and a metal tile, and a fixing structure thereof. It is.

[0002]

2. Description of the Related Art Conventional roof tiles are made of earthenware tiles, asbestos tiles, asbestos cement tiles, fiber cement tiles, synthetic resin tiles, metal tiles, or other known roofing materials made of inorganic materials. For example, the roof was laid on a ridge roof or gable roof.

As this type of roof tile, as shown in FIG. 12, for example, a tile body (1) having a flat plate portion and fitting portions (4) formed on both sides of the tile body (1). And one side of the fitting portion (4) is a male (3) projecting laterally from a lower portion of the tile body (1), and the other side of the fitting portion (4) is provided. Part of the above male (3)
(2) is formed in correspondence with (1). Such a fixing structure of a roof tile includes a certain tile body (1).
The female fruit (2) of the other tile body (1) was mounted and fixed on the male fruit (3).

[0004]

However, in such a roof tile and its fixing structure, when the roof tiles are fixed and then rain falls, as shown in FIG. Rain water or the like enters between the fruit (3) and the female fruit (2) of the other tile body (1), and when the wind and rain is strong, the surface tension is also helped and the water flows as shown by an arrow in FIG. It is easy to flow back, and as a result, rainwater that has entered this way is difficult to be washed away toward the eaves,
It was not high in waterproofness.

The present invention has been made in view of the above-mentioned facts, and an object of the present invention is to provide a roof tile capable of improving waterproofness and a fixing structure thereof.

[0006]

A roof tile according to claim 1 of the present invention has a tile body (1) having a flat plate portion, and the tile body (1) is provided on one side from a lower portion. A male nut (3) protruding laterally and a female nut (2) formed on the other side so as to be able to overlap with the male nut (3);
In addition, a drain groove (5) for draining water is provided on the upper surface of the same fruit (3) in the direction of the eaves ridge.

In the roof tile according to a second aspect of the present invention, the male fruit (3) is inclined so as to descend to the eaves side, and the female fruit (2) is the same male fruit (3). It is characterized in that it is inclined corresponding to.

In the roof tile according to a third aspect of the present invention, when the male truss (3) and the female truss (2) overlap, the roof tile is fitted so as to be hooked on the drain groove (5). It is characterized in that a piece (6) is provided.

In the roof tile according to a fourth aspect of the present invention, a waterproof embankment (20) for preventing water from flowing into the non-exposed side is set up on the non-exposed side surface of the tile main body (1). It is characterized by being.

The roof tile according to claim 5 of the present invention is such that the tip (23) of the tile body (1) on the one-stage ridge side is mounted thereon as the waterproof embankment (20). There is a feature.

In the roof tile according to a sixth aspect of the present invention, the tip (23) of the tile body (1) on the first-stage ridge covers the waterproof dike (20) so as to sandwich the waterproof dike (20). It is characterized by that.

The roof tile according to claim 7 of the present invention has a plurality of waterproof dikes (20).
The frontmost part (21) of the tile body (1) on the one-stage ridge side is placed on the waterproofing dike (22) on the most eaves side, and the other waterproofing dike (20) is sandwiched between them. The tip (23) of the roof tile body (1) on the ridge side is
0).

According to an eighth aspect of the present invention, when fixing the roof tile according to any one of the first to seventh aspects, the male (3) and the female (2) are fixed. A tile fixing device (7) is provided in the overlapping fitting portions (4).

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings according to embodiments.

FIG. 1 is a perspective view showing a roof tile according to an embodiment of the present invention. FIG. 2 is a perspective view showing a roof tile according to another embodiment of the present invention. FIG. 3 (a)
FIG. 3 is a perspective view showing a state in which a tile fixing device is attached to a roof tile according to an embodiment of the present invention. FIG. 3B shows a roof tile fixing structure according to an embodiment of the present invention. FIG. 3C is a top view of the roof tile fixing structure of FIG. 3B viewed from above. (A) of FIG.
FIG. 4 is a perspective view showing a drainer according to one embodiment, and FIG.
(B) is a perspective view showing a drain board according to another embodiment, and (c) of FIG. 4 shows a state in which the eaves portion is stored using the drain board of (a) of FIG. FIG. FIG. 5A is a perspective view showing a roof tile according to still another embodiment of the present invention, and FIG. 5B is a side view of the roof tile of FIG. It is. FIG. 6 (a)
FIG. 6 is a schematic view according to an embodiment showing a state in which the roof tile of the present invention is laid, and FIG. 6B shows a state of an overlapping portion when the roof tile shown in FIG. 5 is laid. FIG. FIGS. 7A and 7B are side views each showing an overlapping portion when a roof tile according to still another embodiment of the present invention is roofed. FIG. 8A is a perspective view illustrating a roof tile according to still another embodiment of the present invention, and FIG. 8B is a perspective view illustrating the roof tile illustrated in FIG. It is the side view which showed the mode of the overlapping part at the time of roofing. FIG. 9 is a side view showing an overlapping portion when a roof tile according to still another embodiment of the present invention is laid. FIG.
0 is a schematic diagram showing various embodiments in which male and female berries formed on the roof tile of the present invention overlap each other in (a), (b) and (c). FIG. 11 shows (a),
(B), (c) is a side view showing a male fruit and a female fruit according to still another embodiment formed on the roof tile of the present invention.

As shown in FIGS. 1 to 3, 5, 8, 10 and 11, the roof tile according to the present invention has a tile body (1) having a flat plate portion. Is
A male fruit (3) protruding laterally from the lower portion on one side, and a female fruit (2) formed on the other side so as to be able to overlap with the male fruit (3); Further, a drain groove (5) for draining water is provided on the upper surface of the male fruit (3) in the direction of the eaves ridge.

The roof tile body (1) has a flat plate portion as shown in FIGS. The tile body (1) is made of a ceramic roof tile, an asbestos tile, an asbestos cement tile, a fiber-filled cement tile, a synthetic resin tile, a metal tile, or a roof molding material of other known inorganic materials. It is useful for roof tiles for ridges and gables.

The tile body (1) has a male (3) and a female (2) as shown in FIGS. 1 to 3, FIG. 5, FIG. 8, FIG. 10 and FIG. It is. The male berry (3) projects from one side to the side from the lower part, and the female berry (2) can overlap with the male berry (3) on the other side. It is formed correspondingly. The size, shape, and the like of the male fruit (3) and the female fruit (2) are variously formed as necessary, and are not particularly limited.

As the tile body (1), as shown in FIG. 6 (a), for example, the tile body may be staggered, or may be linearly laid from the eaves to the ridge. It is.

When the tile body (1) is roofed from the eaves, a drainer (12) as shown in FIG.
Alternatively, a drainer (12) as shown in FIG. 4B may be used. In the case shown in FIG. 4A, this draining plate (1
2) has a ridge (16) formed by bending, and in the case shown in FIG.
This draining plate (12) has a hook (13) stopped by a rivet (14).

As the mounting of the draining plate (12),
As an example, as shown in FIG. 4 (c), the draining plate (12) is hit on the roof base material (15) and formed on the tip of the eaves tile (17) by the ridge (16). The recessed part (18) is hooked, and the eaves part is stored. After being put in this way, the above eaves tile (1
Starting from 7), the tile body (1) is sequentially roofed toward the ridge.

The drain groove (5) is shown in FIGS.
As shown in FIG. 5, FIG. 8, FIG. 10 and FIG. 11, it is for draining rainwater or the like, and is provided on the upper surface of the male fruit (3) in the eaves ridge direction. The size, shape, number, and the like of the drainage grooves (5) are variously formed as necessary, and are not particularly limited. As a specific drawing, this drain groove (5)
Are, for example, (a) of FIGS. 10 and 11,
(B) and (c) respectively.

As shown in FIGS. 5 (a) and 5 (b), the mounting ridge (19) and the waterproof levee (20) formed on the non-exposed side surface of the roof tile body (1) are used for these. The front side, that is, the eaves-side portion is formed as a waterproof groove shape for flowing water that has entered the non-exposed side surface over the entire length of the non-exposed side surface of the tile body (1). It is preferable that the bottom of the shaped part is inclined so that it gradually descends to the side, because water such as rainwater flowing down from the roof tile body (1) on the ridge side can be effectively cut off. is there. In this case, the tile has a round shape in which the center of the tile main body (1) swells, and the sense of thickness as the tile also increases.

According to the present invention, when such a configuration is adopted, when the tile body (1) having the flat plate portion is laid and fixed and then rain falls, the tile body (1) is usually moved from the building to the eaves. 1) Water such as rainwater flows over the top, but tentatively, between the tile bodies (1), that is, males (3) projecting laterally from the lower part on one side, and others Even if water enters between the female fruit (2) formed so as to be able to overlap the male fruit (3) on the side, the upper surface of the male fruit (3) faces the eaves ridge. Drainage groove formed in (5)
This water flows down, and as a result, the water flows from the ridge to the eaves along the drain groove (5).

That is, according to the present invention, the water that has entered between the roof tile bodies (1) can smoothly flow down along the drain groove (5), and the waterproofness can be enhanced.

Also, as shown in FIG.
Is tilted so as to descend to the eaves side and the female fruit (2) is inclined corresponding to the male fruit (3). This allows the water that has entered between the ridges to flow more smoothly from the ridge to the eaves, and the water that travels through the drainage ditch (5) is quickly discharged to the eaves. After the roof tile body (1) is laid, the male fruit (3) and the female fruit (2) become invisible from the eaves, and the appearance is further enhanced.

Further, FIGS. 10 and 11 (a),
As shown in (b) and (c), the above-mentioned male fruit (3)
If the fitting piece (6) is fitted so as to be hooked on the drain groove (5) when the female fruit (2) overlaps with the female fruit (2), the male fruit (3) and the female fruit ( 2) When fitting is performed such that the fitting pieces (6) are hooked on the drain grooves (5) when they are overlapped with each other, and the roof tiles (1) are firmly fixed to each other even after laying. Thus, the wind resistance is improved and the fixing method is supplemented in addition to the fixing of the fixing bracket or the like.

For example, in the case shown in FIG. 10 (a), the fitting piece (6) slides the other tile body (1) with respect to the one tile body (1) so that the fitting piece (6) becomes a drain groove (5). ) So as to be hooked to each other.
In the case shown in, by pushing in as shown by the arrow b,
The fitting piece (6) is fitted so as to be hooked on the drain groove (5). In the case shown in FIG. 10 (c), the fitting piece ( 6a) is fitted so as to be hooked on the drain groove (5a).

As shown in FIGS. 7 to 9, including the case of FIG. 5 described above, a waterproof embankment that prevents water from flowing into the non-exposed side of the roof tile body (1). If the (20) is launched, it can prevent water from flowing into the non-exposed side at the waterproof embankment (20) even if it rains sideways, etc. It is possible to further enhance the waterproofness, and at the front side of the waterproof embankment (20), that is, the waterproof embankment (2).
The eaves tip side of 0) is easy to form as a waterproof groove for flowing water that has entered the non-exposed side surface over the entire length of the non-exposed side surface of the tile body (1). It can further enhance the performance.

FIG. 6B, FIG. 7A and FIG.
As shown in (b), the waterproof embankment (20) includes:
On top of that, the tip (23) of the roof tile body (1) on the single-stage building side
Is placed on the waterproof embankment (20), the position where the tip (23) of the tile body (1) on the one-stage ridge side is placed is determined by itself, which facilitates construction and construction. Later, the tip (23) of the tile body (1) on the one-stage ridge side looks longer on the exterior by the height of the waterproof embankment (20), so that the thickness of the tile body (1) is reduced. It is possible to increase the feeling of solidity of the tile body (1).

Further, as shown in FIGS. 7 (b), 8 (b), and 9, the front end portion (23) of the roof tile body (1) on the one-stage building side is sandwiched by the waterproof embankment (20). ) Covers the waterproof embankment (20), the waterproof embankment (2)
0) so as to sandwich the tip (2) of the roof tile body (1) on the first tier side.
Just by matching 3), the position where the tip (23) of the tile body (1) on the first-stage ridge side is placed is determined by itself, which facilitates the construction and after the construction, the tip of the tile body (1) (2
3) Since there is no space on the back side in the vicinity, even if rain such as side hits falls, rainwater blowing is more reliably prevented, and it is ensured that water flows into the non-exposed side Can be prevented.

In particular, as shown in FIGS. 8A and 8B, there are a plurality of waterproof dikes (20).
0), the foremost part (21) of the roof tile body (1) on the first ridge side is placed on the most eaves-side waterproof embankment (22), and the other waterproof embankment (20) is When the tip (23) of the roof tile body (1) on the first ridge side covers the waterproof levee (20) so as to be sandwiched between them, the waterproof levee (22) on the most eave side has the first ridge side. The position where the tip part (21) of the tile body (1) is placed is determined by itself, which facilitates the construction. After the construction, the height of the waterproofing dike (22) on the eaves side is equal to the height of the one-stage building side. The most advanced part (21) of the tile body (1)
Since the appearance of the tile body becomes longer, the sense of thickness of the tile body (1) can be increased, and the solid feeling of the tile body (1) can be increased.
In addition, the tip (23) of the tile body (1) on the first-stage ridge side is covered with the other waterproofing dike (20) so that the tip part (23) of the tile body (1) on the one-stage ridge side sandwiches the tip. Because there is no space on the back side near the back, even if rain such as side hits falls, rainwater blowing is more reliably prevented, and water is reliably prevented from flowing into the non-exposed side Is what you can do.

In addition, including the case of FIG. 5 described above, the mounting ridge (19) is provided with, for example, a mounting hole (24), and a nail or the like is driven into the mounting hole (24). Accordingly, the tile body (1) can be fixed to a base of a roof or the like.

A mounting groove (25) is formed between the waterproof embankment (20) and the mounting embankment (19) to form a tip (23) of the roof body (1) as shown in FIG. When this is made to correspond to the mounting groove (25), the waterproof embankment (1) is fitted only by fitting the rear end of the tile body (1) and the tip of the tile body (1) on the one-stage building side as shown by the arrow a. 20) can be covered with the tip (23).

According to the roof tile according to the present invention, as shown in FIGS. 1 and 2, there is a tile body (1) having a flat plate portion, and this tile body (1) is provided on one side from the lower portion. A male nut (3) protruding laterally; and a female nut (2) formed on the other side so as to be able to overlap with the male nut (3). Since a drain groove (5) for draining water was provided on the upper surface of Yumi (3) in the direction of the eaves ridge,
When the tile body (1) having the flat plate portion is laid and fixed and rain falls, water such as rainwater usually flows from the ridge to the eaves over the tile body (1). what if,
Correspondence is made so that the male body (3) protruding laterally from the lower part on one side and the male body (3) on the other side can be overlapped between the tile bodies (1). Even if water enters between the female fruit (2) formed in the eaves direction, a drain groove (5) formed on the upper surface of the male fruit (3) toward the eaves ridge.
This water flows down, and as a result, the water flows from the ridge to the eaves along the drain groove (5).

That is, according to the present invention, the water that has entered between the roof tile bodies (1) can also flow down along the drain grooves (5) smoothly, and the waterproofness can be enhanced.

The roof tile fixing structure of the present invention is shown in FIG.
As shown in (a) to (c), when fixing any of the roof tiles described above, the tile fixing device (4) is attached to the fitting portion (4) where the male fruit (3) and the female fruit (2) overlap. 7) is provided.

As shown in FIG. 3 (a), the roof fixing device (7) is formed so as to correspond to the shape of the male nut (3). Is bent according to its shape. As shown in FIG. 3B, the tile fixing device (7) has a fixing portion (10) fixed to a roof base or the like, and the fixing portion (10) includes a nail (11). A nail hole (8) into which a nail or the like can be driven is provided.

As shown in FIGS. 3 (b) and 3 (c), the roof fixing device (7) has one roof main body (1a).
Of the other tile body (1
b) has a hook portion (9) so as to hook on the female nut (2).

With the roof tile fixing structure of the present invention, the drainage groove (5) is formed on the male fruit (3) in addition to the male fruit (3) and the female fruit (2). The tile body (1) provided can be reliably laid and fixed with the tile fixing device (7), and the caught portion (9) can be maintained even after the roof is fixed.
The tile body (1) can be securely fixed without coming off.

Further, even when water is flowing through the drain groove (5), even if the roof fixing device (7) is provided as shown by the arrow in FIG. It can be washed down to the eaves.

Further, the tile fixing device (7) requires only one piece between the tile main bodies (1), so that it is easy to carry out the construction, and it is easy to carry out the construction. ) Is only exposed, so tile fixings from the eaves (7)
No appearance is seen, and the appearance is good.

[0043]

According to the roof tile according to the first aspect of the present invention, when the tile body (1) having the flat plate portion is laid and fixed and then rain falls, the tile is normally moved from the building to the eaves. Water, such as rainwater, flows over the main body (1), but temporarily, between the tile main bodies (1), that is, the male body (3) that protrudes laterally from the lower part on one side. Even if water enters between the male fruit (2) and the female fruit (2) formed on the other side so as to be able to overlap with the male fruit (3), the eaves are placed on the upper surface of the male fruit (3). Drainage ditch (5) formed in the ridge direction
This water flows down, and as a result, the water flows from the ridge to the eaves along the drain groove (5).

That is, according to the present invention, the water that has entered between the roof tile bodies (1) can smoothly flow down along the drain grooves (5), and the waterproofness can be enhanced.

According to the roof tile according to claim 2 of the present invention,
In addition to the case described in claim 1, the water flowing between the roof tile bodies (1) due to the inclination can flow more smoothly from the ridge to the eaves. ) Is quickly discharged to the eaves, and after the roof of the tile body (1) is laid on the same slope, the male (3) and female (2) are not visible from the eaves. Appearance in appearance is further enhanced.

According to the roof tile according to claim 3 of the present invention,
In addition to the case described in claim 1 or 2, when the male nut (3) and the female nut (2) are overlapped, the fitting piece (6) is fitted so as to be hooked on the drain groove (5). In addition, even after the roofing, the roof tiles (1) are firmly fixed between each other, which increases the wind resistance and assists the fixing method in addition to fixing the fixing brackets. is there.

According to the roof tile according to claim 4 of the present invention,
In addition to the case described in any one of Claims 1 to 3, even if rain such as side hitting falls, water can be prevented from flowing into the non-exposed side by the waterproof embankment (20). In addition to being able to further increase the waterproofness, the front side of the waterproof embankment (20), that is, the eaves side portion of the waterproof embankment (20) is located on the unexposed surface of the tile body (1). It is easy to form as a waterproof groove shape for flowing water that has entered the non-exposed side surface over the entire length, and in such a point, the waterproofness can be further improved.

According to the roof tile according to claim 5 of the present invention,
In addition to the case described in claim 4, the position where the tip portion (23) of the tile body (1) on the first-stage ridge side is placed on the waterproof levee (20) is determined by itself, which facilitates construction and construction. rear,
Because the tip (23) of the tile body (1) on the one-stage ridge side looks longer on the exterior by the height of the waterproof embankment (20), the sense of thickness of the tile body (1) has been increased. It is possible to increase the solid feeling of the tile body (1).

According to the roof tile according to claim 6 of the present invention,
In addition to the case described in claim 4, the tip of the roof tile body (1) on the single-stage ridge side is only fitted with the tip (23) of the roof tile body (1) on the single-stage ridge so as to sandwich the waterproof embankment (20). The position where the part (23) is placed is determined by itself, and the construction is facilitated, and after the construction, there is no space on the back side near the tip (23) of the tile body (1), so that the rain hits sideways. Even if rain falls, it is possible to more reliably prevent rainwater from blowing, and to reliably prevent water from flowing into the non-exposed side.

According to the roof tile according to claim 7 of the present invention,
In addition to the case described in claim 4, a waterproof embankment (2
In 2), the position where the foremost part (21) of the roof tile body (1) on the first-stage ridge side is placed is determined by itself, which makes the construction easy and, after the construction, the waterproof dike (22) on the most eaves side. Because the front end (21) of the tile body (1) on the one-stage building side looks longer on the exterior by the height, it is as if the tile body (1)
The thickness of the roof can be increased, and the tile body (1)
Can increase the solid feeling. In addition, the tip (23) of the tile body (1) on the first-stage ridge side is covered with the other waterproofing dike (20) so that the tip part (23) of the tile body (1) on the one-stage ridge side sandwiches the tip. Because there is no space on the back side near the back, even if rain such as side hits falls, rainwater blowing is more reliably prevented, and water is reliably prevented from flowing into the non-exposed side Is what you can do.

According to the roof tile fixing structure of the eighth aspect of the present invention, in addition to the male fruit (3) and the female fruit (2), the roof tile provided with a drain groove (5) in the male fruit (3). The main body (1) can be securely laid and fixed with the tile fixing device (7). Even after the roofing and fixing, the tile body (1) does not come off at the catching portion (9), and the tile (1) is securely removed. It can be fixed.

In addition, even if water is flowing through the drain groove (5), even if the roof fixing device (7) is provided, the water can flow down from the building to the eaves without any trouble. .

Further, the tile fixing device (7) requires only one piece between the tile main bodies (1), so that it is easy to carry out the construction, and it is easy to carry out the construction. ) Is only exposed, so tile fixings from the eaves (7)
No appearance is seen, and the appearance is good.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a roof tile according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a roof tile according to another embodiment of the present invention.

FIG. 3A is a perspective view showing a state in which a roof fixing device is attached to a roof tile according to an embodiment of the present invention,
(B) is a side view showing a roof tile fixing structure according to an embodiment of the present invention, and (c) is a top view of the roof tile fixing structure of (b) as viewed from above.

FIG. 4A is a perspective view showing a draining board according to one embodiment, FIG. 4B is a perspective view showing a draining board according to another embodiment, and FIG. It is the side view which showed a mode that the eaves tip part was stored using the draining board of (a).

5A is a perspective view showing a roof tile according to still another embodiment of the present invention, and FIG. 5B is a side view of the roof tile shown in FIG.

6 (a) is a schematic view according to an embodiment showing a state in which the roof tile of the present invention is roofed, and FIG. 6 (b) is an overlapping portion when the roof tile shown in FIG. 5 is roofed; FIG.

FIGS. 7 (a) and 7 (b) are side views each showing a state of overlapping portions when a roof tile according to still another embodiment of the present invention is roofed.

FIG. 8A is a perspective view showing a roof tile according to still another embodiment of the present invention, and FIG. 8B is an overlapping portion when the roof tile shown in FIG. FIG.

FIG. 9 is a side view showing an overlapping portion when a roof tile according to still another embodiment of the present invention is laid.

FIGS. 10 (a), (b), and (c) are schematic views showing various embodiments in which male and female fruits formed on the roof tile of the present invention overlap with each other.

11 (a), (b) and (c) are side views showing male and female fruits according to still another embodiment formed on the roof tile of the present invention.

FIG. 12 is a schematic view showing a state in which a roof tile according to a conventional example is used for roofing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tile main body 2 Female fruit 3 Male fruit 4 Fitting part 5 Drainage groove 6 Fitting piece 7 Tile fixture 20 Waterproof dike 21 Most advanced part 22 Most eaves side waterproof dike 23 Tip part

Claims (8)

[Claims] 1. A roof tile body having a flat plate portion, wherein the roof body can overlap a male component protruding laterally from a lower portion on one side and the male component on the other side. A roof tile comprising: a female fruit formed in correspondence with the above; and a drain groove for draining water is provided on the upper surface of the male fruit in the direction of the eaves ridge. 2. The roof according to claim 1, wherein the male fruit is inclined so as to descend to the eaves side, and the female fruit is inclined corresponding to the male fruit. tile. 3. The roof according to claim 1, wherein a fitting piece is provided so as to be engaged with the drain groove when the male fruit and the female fruit overlap with each other. tile. 4. A waterproof embankment is provided on the surface of the non-exposed side of the roof tile body to prevent water from flowing into the non-exposed side. Roof tiles. 5. The roof tile according to claim 4, wherein the waterproof embankment has a tip end of the tile body on the one-stage ridge side placed thereon. 6. The roof tile according to claim 4, wherein a tip portion of the tile body on the first-stage ridge covers the waterproof bank so as to sandwich the waterproof bank. 7. The waterproof embankment includes a plurality of waterproof embankments, and among the waterproof embankments, a frontmost portion of the tile body on the one-stage building side is placed on the waterproof eaves on the most eave side, and the other waterproof embankments are installed. The roof tile according to claim 4, wherein a tip end of the tile body on the first-stage ridge side covers the waterproof bank so as to sandwich the bank. 8. A roof tile according to claim 1, wherein said roof tile is fixed to a fitting portion where male and female members overlap each other when said roof tile is fixed. Fixed structure.