JP2506009B2 - Roof material joint and roof structure using the joint - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint used for roofing a flat roof material such as natural slate or tile, and a roof structure using the joint.

[0002]

2. Description of the Related Art Conventionally, in this type of roof structure, for example, Japanese Utility Model Publication No. 64-57318 or Japanese Utility Model Publication No.
Some have a structure using a roofing material of natural slate as disclosed in Japanese Patent Publication No. 57320.

In such a conventional roof structure, the ridge side end of the roofing material that is laid on the base member is fixed by nailing, or the eaves side end of the roofing material is supported by hooking. are doing.

[0004]

However, in the above-mentioned conventional structure, when the roofing material is roofed on the base member by nailing, the roofing material is easily broken by the impact of nailing, and the Since the sides are not fixed, the roof material is easily lifted when a negative pressure acts on the roof material due to strong wind such as during a storm.

Also, in the case of a supporting structure by hooking, the bending moment is large because the hook is cantilevered and the length is long, and when a negative pressure acts on the roof material as in the nailing method described above, Not only is it easily lifted up, but since the roofing material is supported at one point, it is easy to fall if the roofing material breaks.

Furthermore, in order to prevent the entry of water from the longitudinal joint, by increasing the overlapping margin of the longitudinal roof member, a small part
It is necessary to stack two sheets in a minute and three sheets in a large portion, and the portion used as a roof surface is small, but this causes a problem that the material cost rises.

An object of the present invention is to reliably prevent falling due to cracking of roofing material and lifting due to the action of negative pressure.
Another object of the present invention is to provide a joint for a roof material and a roof structure using the joint, which can reduce the material cost by reducing the overlapping margin of the roof material.

[0008]

In order to solve the above problems, the first invention of the present application is a joint for laying and supporting a flat roof material such as natural slate or tile on a base member such as a purlin. In this joint, a ridge-side end portion is formed so as to be fixable on the base member , and a supporting substrate on which the abutting end portions of the respective roof materials laterally adjacent to each other are placed on the upper surface thereof, An engaging portion formed on the eaves side end portion of the supporting substrate to engage and support the eaves side end portion of each roof member , and formed on the lower portion of the engaging portion , and on the supporting substrate. It is a joint for roofing material, characterized in that the roofing material has a fitting portion for fittingly supporting the ridge-side end portions of the eaves-side roof material vertically overlapping with the eaves-side end portion of the mounted roofing material. .

The second invention of the present application is that when a flat roof material such as a natural slate or tile is laid on a base member such as a main house via a joint and roofing is performed, this joint has a ridge side end portion. Is fixedly formed on the base member.
And a supporting substrate on which the abutting ends of the respective roofing materials laterally adjacent to each other are placed, and the eaves side of each roofing material formed at the eaves side end of this supporting substrate. An engaging portion whose end portion is engaged and supported , and an eave which is formed in a lower portion of the engaging portion and vertically overlaps with the eave-side end portion of the roof material placed on the supporting substrate. A ridge-side end of the side roof material is fitted and supported, and a butt end of each roof material laterally adjacent to each other is provided on a support substrate of a joint fixed on the base member. The roof side end of each of these roofing materials is engaged with and supported by the engaging portion of the supporting substrate, and the fitting portion of the supporting substrate is mounted on the eaves side edge of the ridge-side roofing material. The roof structure is characterized in that the ridge-side ends of eave-side roofing materials that overlap in the vertical direction are inserted and supported.

[0010]

That is, according to the present invention, a joint for laying and supporting a flat roof material such as a natural slate or tile on a base member such as a main house is formed by a support substrate, and the ridge-side end of the support substrate is used as the base substrate. Secure it on the member with screws, nails, etc.
Moreover, the abutting ends of the respective roofing materials that are laterally adjacent to each other are placed on the upper surface thereof, and the eaves-side ends of the respective roofing materials are engaged with the eaves-side ends of the support substrates. Roof member which vertically engages the eaves-side end portion of the roof member placed on the support substrate while being engaged with and supported by the roof portion, and the fitting portion formed in the lower portion of the engagement portion. Since the ridge-side end of the roof is fitted and supported, water that enters from the vertical joints of the upper roof material that is laterally adjacent to each other is received by the joint and discharged from the lower roof material. , By this, over the entire length of the vertical joint, it is not necessary to extend the roof material of the lower tier, which is laid under the roof material of the upper tier, to the ridge side, and it is possible to reduce the overlapping margin of the roof material, Material costs can be reduced.

Further, since the roof material is supported through the joint fixed on the base member with screws, nails, etc., the roof material is not directly fixed with screws, nails, etc. As a result, the roof material will not be cracked by the impact of nailing as in the past.

Further, an engaging portion and a fitting portion are provided on one joint.
When a pair of left and right is formed, the eave side end and the ridge side end of each roof material are supported at four points by the engaging portion and the fitting portion, so that the roof material is cracked as before. It is possible to prevent lifting due to the action of negative pressure that is exerted by strong wind when it is dropped or rainstorms.

Further, a locking tool projecting upward from between the abutting ends of the roof materials laterally adjacent to each other is provided near the central ridge side on the support substrate forming the joint, and the locking tool is provided. In order to enable the eaves-side end of the ridge-side roof material to be locked with, a pair of left and right engaging parts and fitting parts are formed in one joint.
In addition, in addition to the four-point support by the engaging part and the fitting part, the support on the eave side end and the ridge side end of the roofing material per sheet becomes five points, and works by strong winds during a storm or the like. Prevention of floating due to the action of negative pressure becomes more reliable.

Further, a water blocking piece is provided upright on the ridge-side end portion side on the support substrate forming the joint, with which the ridge-side end portions of the respective roof materials laterally adjacent to each other abut. In addition, it is possible to increase the effect of stopping water entering the ridge side of the roof material from vertical joints and prevent the roof material from slipping up.

Further, since the waterproof sheet is laid on the base member, even if the water intruding from the vertical joints of the roof material cannot be received on the joint during abnormal weather such as storm, it can be received on the waterproof sheet. In addition to being able to reliably discharge to the eaves side, it enhances watertightness even when rain is not enough due to design reasons, thereby increasing the degree of freedom in design.

[0016]

Embodiments of the present invention will now be described in detail with reference to the drawings. First Embodiment FIGS. 1 to 3 show a joint for roofing material according to the present invention and a first embodiment of a roof structure using the joint. It is shown.

That is, the first invention of the present application is shown in FIGS.
As shown in FIG. 3 and FIG. 3, the present invention relates to the structure of a joint for roofing material, and in the figure, 1 indicates a purlin which is a base member .

An inner layer material 2 is laid on the main building 1,
A sheet-like waterproof sheet 3 is laid on the upper surface of the inner layer material 2.

On the main building 1, a flat roof material 4 such as a natural slate or a tile is roofed via an inner layer material 2 and a waterproof sheet 3, and each roof material 4 is a screw. The purlin 1 by means of fasteners 5, such as nails
Joint 1 fixed to inner layer material 2 through upper waterproof sheet 3
Supported through 0.

As shown as a first embodiment in FIG. 3, this joint 10 is formed of a supporting substrate 11 having a vertically long rectangular thin plate shape at least longer than the vertically long length of the roofing material 4, and this supporting substrate 11 is a ridge. A through hole 12 into which a screw, a nail, or the like is inserted is provided in the central portion on the side end portion 11a side.

The eave-side end portion 11b of the support substrate 11
Includes a pair of left and right engaging portions 13 and 13 and fitting portions 14 and 14.
Each of the engaging portions 13 is formed with a supporting piece 13a that extends horizontally to the eaves and a rising piece 1 that rises upward from the supporting piece 13a by approximately the thickness a of the roofing material 4.
3b and a holding piece 13 extending from the rising piece 13b to the ridge side
The eave side end 4a of the roofing member 4 can be engaged and supported by being bent in an inverted U shape with c.

On the other hand, the fitting portion 14 has a hanging piece 14a which hangs downward from a position distant from the engaging portion 13 toward the ridge side by the overlap width W of the roofing material 4 and by approximately the thickness a of the roofing material 4.
The support piece 14b extending from the hanging piece 14a to the eaves side is bent in an inverted L shape so that the ridge-side end 4b of the roofing material 4 can be fitted and supported.

The second invention of the present patent application relates to a roof structure using a joint 10 described above, this roofing construction will be described below.

First, the inner layer material 2 is laid on the purlin 1, the waterproof sheet 3 is laid on the inner layer material 2, and the joints 10 are laterally arranged from the eaves side at a predetermined interval according to the width of the roof material 4. Then, the joint 10 is fixed on the purlin 1 by inserting a fixing tool 5 such as a screw or a nail into the through hole 12.

Next, the abutting ends of the roofing members 4, 4 laterally adjacent to each other are placed on the upper surface of the supporting substrate 11 of each of the lower joints 10 at intervals of the vertical joint b. The eaves-side end portions 4a and 4a of the abutting ends of the respective roofing members 4 and 4 are inserted into the left and right engaging portions 13 and 13 from the ridge side to the eaves side so that they are engaged and supported. .

After the roofing of the lower tier corresponding to the eaves side is performed in this manner, the eaves side engagement of the joint 10 with the ridge-side end 4b of the lower roofing material 4 at the lateral center is performed. Part 1
A pair of left and right fitting portions 14 and 14 formed on the lower portions of
While fitting and positioning the joints, the ridge-side end portions 11a of the respective joints 10 are fixed by the fixtures 5 such as screws and nails.

Then, similarly to the above, the abutting ends of the roof members 4, 4 laterally adjacent to each other are provided on the upper surface of the support substrate 11 of each of the upper joints 10 at intervals of the vertical joint b. The roof-side end portions 4a, 4a of the abutting end portions of the respective roofing members 4, 4 are placed on the left and right engaging portions 13, 13, respectively.
The eaves side end 4a of the upper roof material 4 is placed on the ridge side end 4b of the lower roofing material 4 by inserting the eaves side 4a of the upper roofing material 4 toward the eaves side from the ridge side toward the eaves side. Therefore, they are vertically overlapped with each other, and such construction is repeated stepwise.

FIG. 4 is a joint 1 according to the first invention of the present application.
In the second embodiment of No. 0, a thin rod-like locking member 15 is provided at the center of the supporting substrate 11 by the length of the length of a thatched foot H toward the ridge side. It is formed of a pillar portion 15a that has a length twice that of the material 4 and stands up, and a holding portion 15b that extends from the pillar portion 15a to the ridge side, and as shown in FIG. The eaves-side end portion 4a of the ridge-side roofing material 4 is made to protrude upward from the vertical joint b between the abutting ends of the roofing materials 4 and 4 adjacent in the lateral direction by the thickness a of the roofing material 4. Is configured to be able to be locked.

Further, FIG. 6 shows a third embodiment of the joint 10 according to the first invention of the present application, which is located at the ridge side by the overlap margin W from the position of the engaging member 15 in the second embodiment. A water blocking piece 16 is erected over the entire width in the lateral direction on the support substrate 11, and the water blocking piece 16 is raised to the eaves side from the rising piece 16a that rises by the thickness a of the roofing material 4. It is formed with an extending holding portion 16b so that the roof members 4, 4 laterally adjacent to each other can be held in contact with the ridge side end portions 4b, 4b.

FIG. 7 is a joint 1 which is the first invention of the present application.
0 shows a fourth embodiment of the present invention, in which the fitting portion 14 in the first embodiment is provided with the engaging portion 1 by the overlap width W of the roofing material 4.
The roof material 4 includes a hanging piece 14a that hangs downward from a position away from the building 3 by approximately the thickness a of the roof material 4, and a support piece 14b that projects laterally outward from the hanging piece 14a. The ridge side end portion 4b of the ridge is formed to be fittable.

In the above embodiment, the first of the present application
It is also possible to previously join the joint 10 of the invention integrally with one roofing member 4 which is abutted laterally adjacent to each other.

Further, when the water stop piece 16 is provided in the joint 10, the water stop piece 16 is formed separately from the support substrate 11 and integrated by welding or the like. It is not necessary to arrange the entire width of 11.

[0033]

As is apparent from the above description, the joint which is the first invention of the present application is formed by a support substrate for laying and supporting a flat roof material such as natural slate or tile on a base member such as a purlin. Then, the ridge-side end of this support substrate is fixed on the base member by screws, nails, etc., and the butt ends of the respective roof materials laterally adjacent to each other are placed on the upper surface thereof, and While engaging and supporting the eaves side end portion of each roofing member to the engagement portion formed at the eaves side end portion of the support substrate, in the fitting portion formed at the bottom of the engagement portion,
The roof side end of the roof material placed on the support substrate is vertically inserted into the roof side edge of the roof side roof material, and the ridge side edge of the roof side roof material is configured to be fitted and supported thereby. Since the roof material is supported via joints fixed by nails, etc., the roof material is not directly fixed with screws, nails, etc. The roofing material will not crack due to impact.

In addition, in the roof structure of the second invention using such a joint, water invading from the vertical joints of the upper roof material laterally adjacent to each other is received on the joint and is absorbed from the lower roof material. Since it is discharged, it is not necessary to extend the roof material of the lower tier, which is stacked under the roof material of the upper tier, to the ridge side over the entire length of the vertical joint, and it is possible to reduce the overlapping margin of the roof material, This can save material costs.

Further, an engaging portion and a fitting portion are provided on one joint.
When a pair of left and right is formed, the eave side end and the ridge side end of each roof material are supported at four points by the engaging portion and the fitting portion, so that the roof material is cracked as before. It is possible to prevent lifting due to the action of negative pressure that is exerted by strong wind when it is dropped or rainstorms.

Furthermore, in claim 2 or 5 ,
On the side of the central ridge on the support substrate that forms the joint, a locking tool that protrudes upward from between the abutting ends of the roof materials that are laterally adjacent to each other is provided. Engages with one joint because the eaves side end can be locked
When a pair of left and right portions and fitting portions are formed , four points are supported by the engaging portion and the fitting portion, and five points are supported by the eave-side end and the ridge-side end of the roofing material per sheet. Therefore, it is possible to more surely prevent the floating due to the action of the negative pressure that is exerted by the strong wind in a storm or the like.

The water blocking piece according to claim 3 or 6, wherein the ridge-side end portions of respective roof materials that are laterally adjacent to each other are in contact with the ridge-side end portion side on the support substrate forming the joint. By providing the above, it is possible to enhance the effect of stopping the water intruding from the vertical joints of the roofing material toward the ridge side and prevent the roofing material from shifting up.

[0038] Furthermore, in claim 7, since it is formed by laying a waterproof sheet on a base member, even without water intruding upon abnormal weather storms such as the vertical joints roofing received on joints, tarpaulins It can be received by the above and discharged to the eaves side surely, and even if rain is not enough for design reasons, it can increase watertightness, thereby increasing freedom in design. You can

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a main part showing a roof structure using a first embodiment of a joint for roofing material according to the first invention of the present application.

FIG. 2 is an enlarged sectional view of a main part taken along the line II-II of FIG.

FIG. 3 is a perspective view showing a first embodiment of a joint for roofing material according to the first invention of the present application.

FIG. 4 is a perspective view showing a second embodiment of the joint for roofing material according to the first invention of the present application.

FIG. 5 is a schematic perspective view of a main part showing a roof structure using a second embodiment of a joint for roofing material.

FIG. 6 is a perspective view showing a third embodiment of the roof joint of the first invention of the present application.

FIG. 7 is a perspective view showing a fourth embodiment of the roof joint according to the first invention of the present application.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Base member (purlin), 2 ... Inner layer material, 3 ... Waterproof sheet, 4 ... Roofing material, 4a ... Eaves side end part, 4b ... Building side end part, 5 ... Fixing tools (screws, nails, etc.), 10 ... Joints, 11 ... Supporting substrate, 11a ... Building side end, 11b ... Eaves side end, 12 ... Through hole, 13, 13 ... Engaging portion, 14, 14 ... Fitting portion, 15 ... Locking tool, 16 ... Water blocking piece, a ... Roof material thickness, b ... Vertical Joint, W ... Layering margin, H ... Thatch length.

Claims (7)

(57) [Claims] The method according to claim 1 Tabular roof material such as slate or tile a joint laying supported on a base member such as a purlin, this joint lockably shape ridge-side end on said underlying member
And a supporting board on which the abutting ends of the roofing materials that are laterally adjacent to each other are placed, and the eaves of the roofing materials formed at the eave-side ends of the supporting board. An engaging portion whose side end portion is engaged and supported , and an eaves-side end portion of the roofing material formed on the lower part of the engaging portion and placed on the supporting substrate , and vertically overlap each other. A fitting for a roofing material, comprising: a fitting portion into which a ridge-side end of the eaves-side roof material is fitted and supported. 2. A locking tool projecting upward from between the abutting ends of the roof materials laterally adjacent to each other is provided near the center ridge side on the support substrate, and the locking tool is used for the ridge side roof material. The roof material joint according to claim 1, wherein the eaves side end portion of the roof member is lockable. 3. The joint for roofing material according to claim 1, wherein a water blocking piece is erected on the ridge side end portion side on the support substrate. 4. When laying a flat roof material such as a natural slate or tile on a base member such as a purlin through a joint and roofing the joint, the ridge side end of the joint is fixed on the base member. Shape possible
And a supporting board on which the abutting ends of the roofing materials that are laterally adjacent to each other are placed, and the eaves of the roofing materials formed at the eave-side ends of the supporting board. An engaging portion whose side end portion is engaged and supported , and an eaves-side end portion of the roofing material formed on the lower part of the engaging portion and placed on the supporting substrate , and vertically overlap each other. A ridge-side end of an eaves-side roof material is fitted and supported, and a butt end of each roof material laterally adjacent to each other on a support substrate of a joint fixed on the base member. Is placed, and the eaves side end portion of each of these roof members is engaged with and supported by the engagement portion of the support substrate, and the fitting portion of the support substrate with respect to the eaves side end portion of the ridge side roof material. A roof structure characterized in that the ridge-side ends of eave-side roofing materials that vertically overlap each other are inserted and supported. 5. A locking member is provided near the center ridge side on the support substrate so as to project upward from between adjacent side portions of respective roof members laterally adjacent to each other, and the locking member is provided on the ridge side roof member. The roof structure according to claim 4, wherein the eaves side end portion of the roof is locked. 6. The roof structure according to claim 4, wherein a water blocking piece is erected on the ridge side end portion side on the support substrate. 7. A roof structure according to claim 4, 5 or 6, wherein the composed waterproof sheet is laid set on the base member.