JP7174665B2 - Roof material joint, method for connecting roof materials using the joint, and method for removing roof materials joined together using the joint - Google Patents

Description

The present invention is a roofing material that is widely used in the roofs of general houses, offices, condominiums, welfare facilities, resort facilities, etc. In particular, the roofing materials are joined together in the eaves direction by interposing joints at the ends in the longitudinal direction. , joints suitable for horizontal roofing type roofing materials and a method for connecting roofing materials using the joints.

Horizontal-roofing type roofing materials have a plate-like main body whose lengthwise dimension (girder direction) is longer than its widthwise dimension (inter-beam dimension), and it is necessary to join the roofing shingles together in the girder direction. The roof of the building structure is roofed by carrying out the work in advance, and when that work is completed, the work of joining the roofing plate materials together in the inter-beam direction is performed.

For such roof materials, a joint as disclosed in Patent Document 1 is used when connecting roof materials together in the girder direction.

By the way, conventional joints of this type are generally attached by hooking them while sliding them on the same plane with respect to the ends of the roof material in the longitudinal direction. In addition, after the roofing is completed, a defective appearance such as a scratch or a dent is found in a part of the roof material, and when the roof material in that part is replaced, the roof to be replaced It is difficult to replace the roofing material unless all the roofing materials attached after the board material are removed, and it is currently impossible to carry out efficient partial replacement of the roofing material.

Japanese Patent No. 2502748

An object of the present invention is to enable efficient roofing by simply and reliably connecting roofing materials together, and to enable roofing materials at arbitrary positions even after roofing is completed. To propose a joint that can be removed by simple work, a method for connecting roofing materials using the joint, and a method for removing roofing materials joined together using the joint.

The present invention relates to a joint for connecting roofing materials to each other at the ends thereof with the longitudinal ends of the roofing materials facing each other, and comprising a supporting piece on which the longitudinal ends of the roofing materials are placed facing each other. , a linking part attached to the base, and a cover covering the longitudinal ends of the roofing materials placed facing each other, the linking part being arranged in the inner space of the base and a linking part body connected to the linking part body and held in an upright position through the opening formed in the base and the longitudinal ends of the roofing materials placed facing each other, but the base The cover is cantilevered on the outer edge of the cover and the pair of plate-shaped pieces laid sideways and the ends of the roof material in the longitudinal direction. The joint for roofing material is characterized by having a clamping piece that is inserted between the outer surface of the roofing material and the outer surface of the roofing material and clamps the longitudinal end of the roofing material in cooperation with the support piece.

In the joint configured as described above, it is preferable that the base has a leg plate that is connected to the outer edge of the support piece in a stepped manner and grounds the base to the roof base material.

The present invention also provides a method for connecting roofing materials, in which roofing materials are joined together at their ends using a joint having the above-described structure, in which the connecting section is attached to the base and then bent to the tip of the base. Then, the longitudinal ends of the roofing material are placed facing each other on the supporting pieces of the base, and the pair of plate-shaped pieces of the connecting portion are folded back and held in a sideways state, while facing each other. A piece sandwiched between a pair of plate-shaped pieces that cover the longitudinal ends of the placed roofing material and are held in a sideways position and the outer surface of the longitudinal ends of the roofing material. is inserted to attach the cover to the roofing material. Further, the present invention is a method for removing the roofing materials joined together by the joint having the above structure, wherein after removing the cover from the roofing materials, the pair of plate-like pieces of the connecting portion held in a sideways state is raised. and holding it in an upright posture, and then releasing the connection with other roof materials positioned on the water side of the roof material and on the water side.

According to the present invention, it is possible not only to connect the roof materials together easily and reliably, but also to hold the roof materials in an upright posture by pulling up the pair of plate-like connecting pieces forming the connecting portion. It is possible to leave the ends in the longitudinal direction in a free state, and the roofing material can be installed simply by releasing the fitting state of the upper seam and lower seam of the roofing material from the roofing materials positioned on the water side and the water side. can be removed.

1 is an external perspective view showing a state in which roofing materials are joined together at their longitudinal ends using joints according to the present invention; FIG. FIG. 4 is an external perspective view showing a state in which a cover of the joint is removed; It is an external appearance perspective view which showed the state just before joining roofing materials together. 1 is an external perspective view showing a joint according to the present invention in an exploded state; FIG. Figure 5 is a front view of the base of the joint shown in Figure 4; FIG. 5 is a front view of a linking portion of the joint shown in FIG. 4; FIG. 5 is a view showing a BB cross section of the cover shown in FIG. 4; It is the figure which showed typically the condition which attached the base to the upper seam of a roof material, and a lower seam. FIG. 10 is a diagram showing another example of a base; It is the figure which showed typically the condition which attached the cover to the upper seam of a roof material, and a lower seam. FIG. 2 is a diagram showing a cross section taken along line AA of FIG. 1; It is the figure which showed the condition which mount|wears a base with a connection part. It is the figure which showed the condition which mount|wears a base with a connection part. It is the figure which showed the condition which mount|wears a base with a connection part. It is the figure which showed the state which bent the front-end|tip part of the base. It is explanatory drawing of the joint point of a roof material. It is explanatory drawing of the joint point of a roof material. It is explanatory drawing of the joint point of a roof material.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 is an external perspective view showing a state in which roofing materials are joined together at their longitudinal ends using a joint according to the present invention, and FIG. 2 is a state in which the cover of the joint is removed. FIG. 3 is an external perspective view showing a state immediately before connecting roof materials together. 4 is an external perspective view showing the joint according to the present invention in an exploded state, FIG. 5 is a front view showing the base of the joint shown in FIG. 4, and FIG. 7 is a view showing a front view of the connecting portion of the joint shown in FIG. 7, and FIG. 7 is a view showing a BB cross section of the cover shown in FIG.

The horizontal roofing type roofing material used in the present invention has an upper seam on the water side and a lower seam on the water side, and the upper seam is arranged adjacent to the water side. It is also possible to connect the roof materials together in the eaves or ridge direction by fitting the lower seam and fitting the lower seam to the upper seam of another roof material arranged adjacent to the water side.

Roofing material can be any size in the length direction (free), the size in the width direction is about 180 to 400 mm, and the thickness is about 0.35 to 0.8 mm. It is preferably made of rust-proof treated steel plate, stainless steel plate, copper plate, aluminum alloy plate, zinc plate, etc., and is preferably formed into a predetermined cross-sectional shape by applying a roll forming method or a press forming method. It is preferable to use a material having the same thickness and material as the roof material.

Reference numeral 1 in FIGS. 1-7 is the base of the joint. The base 1 includes support pieces 1a on which the longitudinal ends 2a of the roof material 2 are placed facing each other, and the outer edges of the support pieces 1a are connected in a stepped manner, and the base 1 is grounded to the underlying material of the roof. It has a leg plate 1b that allows The tip of the base 1 is provided with a bent portion 1c that can be fitted to the back surface of the upper seam 2b provided on the underwater side of the roof material 2, and the rear end portion is provided on the underwater side of the roof material 2. A bent portion 1d is provided along the back surface of the lower seam 2c provided at the bottom. The base 1 is attached by locating the bent portions 1c and 1d on the rear surface of the upper seam 2b and the lower seam 2c of the roofing material 2, as shown in FIG. The base 1 can be formed by bending a single plate material, but it can also be made up of a plurality of members as shown in FIG. The bent portions 1c and 1d may be arranged along the back surface of the upper seam 2b and the lower seam 2c, or may be fitted in at least a part of the upper seam 2b and the lower seam 2c.

Reference numeral 3 denotes a linking portion attached to the base 1. As shown in FIG. The linking portion 3 includes a linking portion main body 3a which is inserted through the end face into the inner space 1e of the base 1 and disposed, and which is connected to the linking portion main body 3a and placed opposite to the open portion 1f formed in the base 1. It is formed of a pair of plate-like pieces 3c which are held in an upright position through the mutual ends 2a of the roof material 2 in the longitudinal direction, but which can be laid down by folding back from the base 3b. The dimension w (see FIG. 4) of the linking portion body 3a of the linking portion 3 is preferably set to 1/2 or more of the working width L (see FIG. 1) of the roofing material 2 from the viewpoint of ensuring the connection strength of the roofing material. preferable. As for the plate-like piece 3c, a trapezoidal one is shown as an example, but the shape can be changed to a rectangular shape or other shapes, and is not limited to the illustrated one. The linking part 3 can be formed by bending a single plate, but may be composed of a plurality of members.

Further, reference numeral 4 denotes a cover that can be detachably fitted to the upper seam 2b and the lower seam 2c of the roofing material 2 by covering the longitudinal ends 2a of the roofing materials 2 placed facing each other. The cover 4 includes a cover body 4a that covers the ends of the roof material 2 in the longitudinal direction, a tip bending piece 4b connected to the tip of the cover body 4a and capable of being fitted on the outer surface of the upper seam 2b of the roof material 2, It is connected to the rear end of the cover main body 4a and comprises a rear end bent piece 4c that can be fitted on the outer surface of the lower seam 2c of the roofing material 2. As shown in FIG. At the outer edge (both side edges) of the cover main body 4a, a pair of plate-like pieces 3c which are cantilever supported by the cover main body 4a and laid sideways and the outer surface of the longitudinal end portion 2a of the roof material 2 are provided. Sandwiching pieces 4d are provided which are inserted between them and hold the longitudinal ends 2a of the roofing material 2 in cooperation with the supporting pieces 1a. In addition, a plurality of grooves 4e can be provided on the outer surface of the cover main body 4a in order to improve the appearance, and the tip portions of the clamping pieces 4d approach the rear surface of the cover 4. (See FIG. 7).

FIG. 10 is a diagram schematically showing a state in which the cover 4 is attached to the upper seam 2b and the lower seam 2c of the roofing material 2, and FIG. 11 is a diagram showing the AA section of FIG. In the joint of the present invention, the roofing material can be attached by a simple operation of sandwiching the longitudinal end portion 2a of the roofing material 2 placed facing each other between the sandwiching piece 4d of the cover 4 and the supporting piece 1a of the base 1. It is possible to reliably join them together, and the roof of the building structure can be efficiently thatched.

The plate-like piece 3c that constitutes the joint can be a flat plate-like piece, but it is preferable to provide bent portions 3d1 and 3d2 that form upwardly concave portions when laid sideways. By providing the bent portions 3d1 and 3d2 in the plate-like piece 3c, not only can the strength of the plate-like piece 3c itself be increased, but especially at the bent portion 3d1, the insertion of the clamping piece 4d is facilitated and the clamping piece 4d is facilitated. , the pinching piece 4d can be prevented from slipping with respect to the plate-like piece 3c. Moreover, at the bent portion 3d2, the elastic action of the clamping piece 4d makes it possible to strongly press the clamping piece 4d toward the end 2a in the longitudinal direction of the roofing material 2. It can be expected that rainwater can be prevented from entering due to capillary action between the end 2a and the clamping piece 4d.

In order to join the roof materials together at their ends 2a, first, as shown in FIGS. Attach to base 1. Then, as shown in FIG. 15, after providing a bent portion 1c that can be fitted to the upper seam 2b of the roofing material 2 at the tip of the base 1, as shown in FIG. It is placed on the support piece 1a of the base 1 with the direction ends 2a facing each other, and the bent portion 1c formed at the tip of the base 1 is positioned along the back surface of the upper seam 2b of the roof material 2. , the bent portion 1d of the rear end portion is positioned along the back portion of the lower seam 2c of the roofing material 2, and further, as shown in FIG. While the roof material 2 is folded back and held sideways, the longitudinal end 2a of the roof material 2 placed facing each other is covered with the cover 4, and the plate-like piece 3c and the roof material 2 are laid sideways and the longitudinal direction of the roof material 2 is covered. The clamping piece 4d is inserted between the outer surface of the end 2a of the cover 4 and the upper seam 2b and the lower seam 2c of the roof material. When connecting the roofing materials 2, as shown in FIG. 18, one side of the joint base 1 is inserted into the longitudinal end portion 2a of one of the roofing materials 2, and the other side of the joint base 1 is inserted as follows. You may make it insert in the edge part 2a of the longitudinal direction of the roof material 2. FIG.

If it becomes necessary to remove the roof material 2 at an arbitrary position after the roof materials have been joined together, the cover 4 is removed and the plate-like piece 3c laid sideways is raised as shown in FIG. As a result, the ends 2a of the roof material 2 in the longitudinal direction become free, and are arranged adjacent to the water side and the water side of the upper seam 2b and the lower seam 2c of the roof material 2. The roof material can be removed simply by releasing the linkage (fitted state) with the other roof material. After the roofing material is removed and a new roofing material is placed on the removed part, the plate-shaped piece 3c is again held in a laid state and the cover 4 is attached, and the connecting part 3 can be reused as it is. When removing the roofing material, it is desirable to remove the roofing material itself by lifting it, which facilitates the removal of the roofing material rather than removing it by sliding the roofing material on the same horizontal plane as in the prior art.

The base 1 of the joint according to the present invention has a leg plate 1b in order to stabilize its posture when joining the roof materials together. By connecting the support piece 1a to the bottom of the internal space 1e, the height from the support piece 1a to the bottom of the interior space 1e can be increased, and rainwater and the like can be drained from between the holding piece 4d and the longitudinal end 2a of the roof material 2 by capillary action. Even if there is intrusion, it is possible to avoid flowing toward the base material side and improve water stoppage.

According to the present invention, it is possible to simply and reliably connect roofing materials together, and to remove roofing materials at arbitrary positions with a simple operation even after roofing is completed. It is possible to provide joints, a method for connecting roofing materials using the joints, and a method for removing roofing materials joined together using the joints.

1 Base 1a Support piece 1b Leg plate 1c Bent part 1d Bent part 1e Internal space 1f Open part 2 Roof material 2a Longitudinal end 2b Upper seam 2c Lower seam 3 Linking part 3a Linking part body 3b Base 3c Plate-like piece 4 Cover 4a Cover main body 4b Front bent piece 4c Rear bent piece 4d Clamping piece 4e Groove

Claims (4)

A joint for connecting roofing materials to each other at their ends with the longitudinal ends of the roofing materials facing each other,
a base having support pieces for placing opposite longitudinal ends of the roofing material;
a connecting portion attached to the base;
a cover that covers the longitudinal ends of the roofing materials placed face-to-face,
The linking part includes a linking part main body arranged in the inner space of the base, an opening formed in the base connected to the linking part main body, and longitudinal ends of roofing materials placed facing each other. It consists of a pair of plate-shaped pieces that are held in a standing posture through each other, but can be laid down by folding back with the base as the starting point,
The cover is cantilevered on the outer edge of the roof material and is inserted between a pair of plate-like pieces that are laid sideways and the outer surface of the longitudinal end of the roof material to cover the longitudinal ends of the roof material. 1. A joint for roofing materials, characterized in that it has a clamping piece that clamps a part in cooperation with a support piece. 2. The joint of roofing materials according to claim 1, wherein said base has a leg plate connected to the outer edge of said support piece in a stepped manner and grounding said base to the substrate material of the roof. A method for connecting roofing materials in which roofing materials are joined together at their ends using the roofing joint according to claim 1 or 2,
After the linking portion is attached to the base, the leading end of the base is bent, and then the longitudinal ends of the roofing material are placed on the supporting pieces of the base so that the ends of the roofing material face each other. The pair of plate-like pieces and the roofing material are folded back and held sideways, while the longitudinal ends of the roofing materials placed facing each other are covered with a cover and held sideways. A method for connecting roofing materials, wherein the cover is attached to the roofing material by inserting clamping pieces between the outer surfaces of the longitudinal ends of the cover. A method for removing a roofing material joined by a roofing material joint according to claim 1 or 2, comprising:
After the cover is removed from the roof material, a pair of plate-shaped pieces of the linking part held in a sideways state is pulled up to hold it in an upright position. A method for removing a roofing material, characterized in that the connection with the material is released.

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