JP5427695B2 - Heat shield - Google Patents

Description

  The present invention relates to a heat insulating material that is disposed between rafters installed on the indoor side surface of a field board and reflects radiant heat from a roof.

Conventionally, what was described in the following patent documents 1-4 was known as this kind of heat-shielding material, for example.
The ventilation layer securing member (heat shielding material) of Patent Literature 1 is installed on the indoor side surface of the field plate and is spaced apart from the indoor side surface of the field plate to the indoor side between the rafters extending in parallel. The plate-shaped member (main body portion) disposed, and a mountain-shaped convex portion that is raised from the rafter-side end of the plate-shaped member toward the field plate side and folded back from the top to the indoor side ( Standing part).

The top part of the mountain-shaped convex part is in contact with the indoor side surface of the field plate, whereby a space is provided between the indoor side surface of the field plate and the plate-like member to form a ventilation layer. Yes. By providing the ventilation layer, the radiant heat from the roof is efficiently blocked by the heat shielding material, and is difficult to be transmitted to the indoor space. In addition, the folded portion that is folded back from the top of the mountain-shaped convex portion is in contact with the side surface of the rafter.
In order to stably mount this type of heat shield between the rafters, the upright portion is connected to the side surface of the rafter using a connecting means such as a tucker core or a nail.

Japanese Patent No. 3400766 JP 2007-138409 A JP 2000-213077 A Utility Model Registration No. 313788

However, the following problems have occurred in the above-described conventional heat shielding material.
That is, like the mountain-shaped convex part of patent document 1, in the case where the upright part is reversed and folded back from the base plate side to the indoor side at the end part of the main body part, the connecting means is used. Thus, in order to connect the standing portion to the side surface of the rafter, it is necessary to fasten the folded portion from the indoor side. That is, the construction for installing the heat shield material between the rafters could be performed only from the indoor side, and not from the field board side (roof side).

Further, depending on the type of rafter used, the distance between the sides of the rafters facing each other may be set to be larger than the outer dimension (width dimension) along the rafter direction of the heat shield. In this case, the upright portion is disposed away from the side surface of the rafter, and it is difficult to connect the upright portion to the side surface of the rafter.
In addition, in this type of heat shielding material, there is a demand for improving the heat shielding efficiency by reliably partitioning the ventilation layer and the indoor space.

  The present invention has been made in view of such circumstances, and can be installed between the rafters from both the field board side and the indoor side, and the workability is improved, and the upright part is reliably attached to the side of the rafters. An object of the present invention is to provide a heat shielding material that can be connected and can improve heat shielding efficiency.

In order to achieve the above object, the present invention proposes the following means.
That is, the present invention is a heat shield disposed between the rafters extending in parallel, and a main body formed in a plate shape so as to connect the side surfaces of the opposed rafters, and the main body An upright portion that is erected on an end portion on the side surface of the rafter and connected to the side surface of the rafter by connecting means; a first slit that extends along a boundary between the main body portion and the upright portion; An elastically deformable tongue comprising a pair of second slits extending from one slit toward the main body and facing each other, and formed so as to be surrounded by the first slit and the pair of second slits The piece closes the hole of the main body so as to be openable and closable.

  The heat shield according to the present invention is disposed between rafters installed on the indoor side surface of the field board, and reflects radiant heat from the roof. The upright portion is erected at the end portion on the side surface side of the rafter of the main body portion, and the tip thereof is in contact with the indoor side surface of the field board. Thereby, a ventilation layer is formed between the indoor side surface of the field board and the main body part, and the heat shielding efficiency is enhanced.

  In addition, in this heat shield material, the upright part is only raised from the main body part (one time folding), so it does not take time and effort like the conventional folding structure of the upright part (double folding). The work efficiency during construction is improved.

  Here, for example, depending on the type of rafters used, the distance between the side surfaces of the opposing rafters may be set to be larger than the external dimension (width dimension) along the direction between rafters of the heat shield. In such a case, a gap is formed between the standing portion of the heat shield and the side surface of the rafter, and it has been difficult to connect the standing portion to the side surface of the rafter in the past. Thus, the upright portion can be reliably connected to the side of the rafter.

  That is, in the heat shielding material of the present invention, the first slit is formed so as to extend along the boundary between the main body portion and the upright portion, so that the upright portion can be bent toward the side surface side of the rafter. . Specifically, by applying an external force toward the side of the rafter from the main body to the standing part, the rising part is bent away from the main body while the groove width of the first slit is widened. Located on the side of the rafters. Thereby, for example, the upright portion can be reliably connected to the side surface of the rafter using a connecting means such as a tucker core or a nail.

  A pair of second slits that extend from the first slit toward the main body and face each other are formed. That is, the second slit is formed on the main body, and an elastically deformable tongue piece is formed so as to be surrounded by the second slit and the first slit. Specifically, three sides of the periphery of the tongue piece are surrounded by the first and second slits, so that the tongue piece can be rotated around a portion connected to the main body. Moreover, the site | part by which a tongue piece rotates and it is opened to a main-body part is made into the hole part, and the tongue piece has obstruct | occluded this hole part so that opening and closing is possible. With such a configuration, the following effects can be obtained.

That is, the construction for installing the heat shielding material between the rafters can be performed from both the field board side (roof side) and the indoor side. Specifically, when connecting the standing part from the field board side to the side surface of the rafter, the standing part is exposed to the ventilation layer on the field board side, so press the tool tip such as a tucker against the standing part and leave it as it is. Can be fastened to the side of the rafters. Also, when connecting the standing part from the indoor side to the side of the rafter, the tongue piece is pushed up to the base plate side and rotated, and the hole is opened, and the tip of a tool such as a tucker is pushed to the standing part through the hole. You can rest on the sides of the rafters.
In this way, the work of installing the heat shield material between the rafters can be performed from both the field board side and the indoor side, so that workability is ensured regardless of when the building (house) is being built or renovated.

  In addition, when the upright part is connected to the side of the rafter from the indoor side, the hole part is automatically deformed and deformed by elastic restoring force when the tool tip such as a tucker is pulled out from the hole part after work. It is supposed to be blocked. That is, after connecting the upright portion to the side surface of the rafter, the main body portion reliably partitions the ventilation layer and the indoor space without requiring special work, and the heat shielding efficiency of the ventilation layer is enhanced. .

  Moreover, the heat shield which concerns on this invention WHEREIN: The said 1st slit is good also as being cut | disconnected toward the opposite side to the said tongue piece rather than the said 2nd slit.

  In this case, the upright portion can be sufficiently bent toward the side surface of the rafter while forming the hole portion small. That is, since the hole is opened and closed only at the time of construction, it is preferable that the hole is stably closed by the tongue piece after construction. By forming the hole portion and the tongue piece small, the weight of the tongue piece is reduced, and the opening of the hole portion due to the tongue piece rotating due to a change with time or the like is suppressed. In addition, while having such an effect, the upright portion is sufficiently bent and deformable, so that the upright portion is securely abutted against and connected to the side surface of the rafter, and the heat shield is stable between the rafters. Installed.

  According to the heat shield material according to the present invention, the installation between the rafters can be performed from both the baseboard side and the indoor side and the workability is improved, and the upright part can be reliably connected to the side of the rafters, thereby improving the heat shield efficiency. It is done.

It is a sectional side view explaining the installation state of the heat shield which concerns on one Embodiment of this invention. It is a perspective view explaining the state which installs the heat-shielding material which concerns on one Embodiment of this invention between a base plate side (roof side) between rafters. It is a perspective view explaining the state which installs the heat-shielding material which concerns on one Embodiment of this invention between a rafter from the indoor side (hut back side). It is a top view which shows the thermal insulation base material used as the thermal insulation material which concerns on one Embodiment of this invention. It is a front view which shows the state which has arrange | positioned the heat insulating material which concerns on one Embodiment of this invention between rafters. It is a front sectional view explaining the internal structure of the heat shield according to one embodiment of the present invention. It is a top view which shows the principal part of the thermal insulation base material used as the thermal insulation material which concerns on one Embodiment of this invention. It is a sectional side view which shows the principal part of the thermal-insulation base material of FIG. It is a principal part sectional side view explaining the method of installing the heat shield which concerns on one Embodiment of this invention between rafters. It is a principal part sectional side view explaining the method of installing the heat insulating material which concerns on one Embodiment of this invention between rafters, and is a figure which expands and shows the Z section of FIG. It is a principal part top view explaining the method of installing the heat shield which concerns on one Embodiment of this invention between rafters. It is a top view which shows the modification of the principal part of the thermal insulation base material used as the thermal insulation material which concerns on one Embodiment of this invention. It is a top view which shows the modification of the principal part of the thermal insulation base material used as the thermal insulation material which concerns on one Embodiment of this invention.

  As shown in FIGS. 1 to 3, the heat shield 1 according to the present embodiment is disposed between rafters 4 installed on the surface of the field board 2 on the indoor 3 side, and radiant heat from the roof 5. Is reflected. A plurality of rafters 4 are disposed on the surface of the field board 2 on the indoor 3 side and extend in parallel with each other. 2 is a diagram for explaining a state in which the heat shield 1 is installed between the rafters 4 and 4 from the base plate 2 side (roof 5 side), and FIG. 3 shows the heat shield 1 on the indoor 3 side (the back of the hut). ) To the rafters 4, 4.

  The heat shield 1 is erected on the main body 6 formed in a plate shape so as to connect the side surfaces 4a of the rafters 4 facing each other, and the end of the main body 6 on the side surface 4a side of the rafters 4, for example, And a standing portion 8 connected to the side surface 4a of the rafter 4 by connecting means 7 (see FIG. 11) such as a tucker core or a nail. In the illustrated example, the main body portion 6 is formed in a rectangular plate shape, and the upright portion 8 is formed in a strip plate shape.

  Further, the upright portion 8 is raised from the main body portion 6 toward the base plate 2 side, and the tip of the upright portion 8 on the side of the base plate 2 abuts on the surface of the base plate 2 facing the indoor 3 side. (See FIG. 10). 2 and 3, a pair of upright portions 8 are provided at both ends in the width direction of the main body portion 6, and extend along the longitudinal direction of the main body portion 6. Is launched vertically.

  The heat shielding material 1 has the above-described shape by raising both end portions in the width direction of the rectangular plate-shaped heat shielding base material A shown in FIG. That is, both end portions in the width direction of the heat-shielding base material A are the standing portions 8, and the region sandwiched between the standing portions 8 and 8 is the main body portion 6. Further, as shown in FIG. 5, when the heat shield 1 is installed between the rafters 4, 4, the surface facing the outside in the width direction of the upright portion 8 raised perpendicular to the main body portion 6 is , Abuts against the side surface 4a of the rafter 4.

  In FIG. 4, the heat shielding material 1 (heat shielding base material A) has a first slit 9 extending along the boundary between the main body 6 and the upright portion 8, and the first slit 9 toward the main body 6. And a pair of second slits 10 and 10 that are opposed to each other. The first and second slits 9 and 10 are formed so as to penetrate the heat shield 1 in the thickness direction. The first and second slits 9 and 10 of the present embodiment are formed by making a cut using, for example, a press die.

  In the example shown in FIG. 4, the second slits 10, 10 are formed to be inclined so as to gradually reduce the mutual distance from the first slit 9 toward the main body 6 side. A plurality of first slits 9 are formed at both ends in the width direction of the main body 6. A pair of second slits 10 and 10 are formed for each first slit 9.

  As shown in FIG. 7, the second slits 10, 10 may be formed to extend in parallel to each other from the first slit 9 toward the main body 6 side. Alternatively, the second slits 10, 10 may be formed to be inclined so as to gradually widen the mutual distance from the first slit 9 toward the main body 6 side.

  The heat shield 1 has an elastically deformable tongue 11 formed so as to be surrounded by the first slit 9 and the pair of second slits 10 and 10 so that the hole 12 of the main body 6 can be opened and closed. It is configured to close. 4 and 7, the tongue piece 11 has a substantially rectangular shape, and the hole 12 closed by the tongue piece 11 has a substantially rectangular hole shape having the same shape as the tongue piece 11.

  Specifically, the tongue piece 11 is rotatable about a hinge portion 13 extending so as to connect the ends of the second slits 10 and 10 opposite to the first slit 9, and by this rotation, Then, the hole 12 is opened (see FIGS. 7 and 8).

  In the example shown in FIG. 8, a concave groove 14 is formed along the boundary between the main body portion 6 and the standing portion 8. By forming such a folded groove 14, the upright portion 8 of the heat shield base material A can be easily raised with respect to the main body portion 6. In addition, you may form a concave groove-shaped folding groove | channel on the said hinge part 13, In this case, the tongue piece 11 can be easily rotated by using the hinge part 13 as a fulcrum.

  4 and 7, the first slit 9 is cut toward the opposite side of the tongue piece 11 from the second slit 10. In the illustrated example, the first slit 9 is cut toward the opposite side of the tongue piece 11 with respect to the pair of second slits 10 and 10.

  Further, as shown in FIG. 6, the heat shielding material 1 includes a porous plate-like base 15 made of a resin material such as PP, a metal vapor-deposited layer 16 formed on the surface of the base 15, and a metal vapor-deposited layer 16. And a protective coating layer 17 formed on the surface.

  The base body 15 is manufactured by extrusion molding or the like, and a plurality of holes 15a having a rectangular cross section are formed in the base body 15. These holes 15a extend in parallel with each other along the longitudinal direction of the heat insulating material 1 (heat insulating base material A).

Moreover, the metal vapor deposition layer 16 is made of, for example, aluminum, and a heat shielding film in which a protective coating layer 17 is provided on the metal vapor deposition layer 16 and is integrated with the metal vapor deposition layer 16 is laminated on the base body 15. Has been made.
And when installing the heat insulation material 1 between the rafters 4 and 4, the heat insulation efficiency is improved by arrange | positioning so that the heat insulation film side may face the base plate 2 side.

  As described above, the heat shielding material 1 according to the present embodiment is disposed between the rafters 4, 4 installed on the surface of the field board 2 on the indoor 3 side, and reflects the radiant heat from the roof 5. Let The upright portion 8 is erected on the end portion on the side surface 4 a side of the rafter 4 of the main body portion 6, and the tip thereof is in contact with the surface of the field board 2 on the indoor 3 side. Thereby, the ventilation layer 21 is formed between the surface of the field board 2 on the indoor 3 side and the main body 6, and the heat shielding efficiency is enhanced.

  Moreover, in this heat insulating material 1, since the upright part 8 is only raised from the main body part 6 (folded once), it takes time and effort like the conventional folding structure of the upright part (double folding). The work efficiency during construction is improved.

  Here, as shown in FIG. 2, for example, depending on the type of rafter 4 used, the distance W2 between the side surfaces 4a of the rafters 4 facing each other is such that the outer dimension along the direction between the rafters 4 and 4 of the heat shield 1 ( Width dimension) may be set larger than W1. Specifically, the distance W2 may be set to be about 8 mm larger than the outer dimension W1. In such a case, a gap is formed between the upright portion 8 of the heat shield 1 and the side surface 4a of the rafter 4, and it has conventionally been difficult to connect the upright portion 8 to the side surface 4a of the rafter 4. However, according to the present embodiment, the upright portion 8 can be reliably connected to the side surface 4 a of the rafter 4.

  That is, in the heat shielding material 1 of the present embodiment, the first slit 9 is formed so as to extend along the boundary between the main body portion 6 and the upright portion 8, so the upright portion 8 is on the side surface 4 a side of the rafter 4. Can bend toward Specifically, as shown in FIG. 11, by applying an external force from the main body 6 toward the side surface 4 a side of the rafter 4 on the standing portion 8, the groove width of the first slit 9 is expanded, and the standing portion 8. Is bent away from the main body 6 and is abutted against the side surface 4 a of the rafter 4. Thereby, the upright part 8 can be reliably connected to the side surface 4a of the rafter 4 using connecting means 7 such as a tucker core or a nail.

  In addition, a pair of second slits 10 and 10 are formed extending from the first slit 9 toward the main body 6 and facing each other. That is, the second slit 10 is formed on the main body 6, and an elastically deformable tongue piece 11 is formed so as to be surrounded by the second slits 10, 10 and the first slit 9. Specifically, three sides of the periphery of the tongue piece 11 are surrounded by the first slit 9 and the second slits 10 and 10, so that the tongue piece 11 has a portion (hinge portion 13) connected to the main body portion 6 as a fulcrum. It can be turned. Further, a portion where the tongue piece 11 is rotated and opened to the main body portion 6 is a hole portion 12, and the tongue piece 11 closes the hole portion 12 so that the hole portion 12 can be opened and closed. With such a configuration, the following effects can be obtained.

That is, the construction for installing the heat shield 1 between the rafters 4 and 4 can be performed from both the field board 2 side (the roof 5 side) and the indoor 3 side. Specifically, as shown in FIG. 2, when the standing part 8 is connected to the side surface 4 a of the rafter 4 from the field board 2 side, the standing part 8 is exposed to the ventilation layer 21 on the field board 2 side. The tip of a tool such as a tucker can be pressed against the upright portion 8 and can be held on the side surface 4a of the rafter 4 as it is. Further, as shown in FIG. 3, when the upright portion 8 is connected to the side surface 4a of the rafter 4 from the indoor 3 side, as shown in FIG. The hole 12 can be opened while being pivoted to a fulcrum, and the tip of a tool 18 such as a tucker can be pressed against the upright portion 8 through the hole 12 to be fastened to the side surface 4 a of the rafter 4.
As described above, since the work for installing the heat shield 1 between the rafters 4 and 4 can be performed from both the baseboard 2 side and the indoor 3 side, the workability can be improved regardless of whether the building (house) is being built or renovated. Secured.

  When the upright portion 8 is connected to the side surface 4a of the rafter 4 from the indoor 3 side, as shown in FIG. 10, when the hole portion 12 pulls out the tip of the tool 18 such as a tucker from the hole portion 12 after the work, The piece 11 is automatically closed by being deformed by elastic restoring force. That is, after the upright part 8 is connected to the side surface 4a of the rafter 4, the main body part 6 reliably partitions the ventilation layer 21 and the indoor three space without requiring any special work. Heat shielding efficiency is improved.

  The first slit 9 is cut toward the opposite side of the tongue piece 11 from the second slit 10. In this case, the upright portion 8 can be sufficiently bent toward the side surface 4 a of the rafter 4 while forming the hole portion 12 small. That is, since the hole 12 is opened and closed only at the time of construction, it is preferable that the hole 12 is stably closed by the tongue piece 11 after construction. By forming the hole portion 12 and the tongue piece 11 small, the weight of the tongue piece 11 is reduced, and the tongue piece 11 is prevented from rotating due to a change over time and the like so that the hole portion 12 is opened. In addition, the upright portion 8 is sufficiently bent and deformable while exhibiting such an effect. Therefore, the upright portion 8 is reliably brought into contact with and connected to the side surface 4a of the rafter 4, and the heat shield 1 Is stably installed between the rafters 4 and 4.

  In FIG. 6, a plurality of holes 15 a extending along the longitudinal direction of the heat shield 1 are formed in the base 15 of the heat shield 1. By forming the hole 15a in this way, the wall portion 15b formed between the adjacent holes 15a and 15a extends in the longitudinal direction, and the rigidity of the heat shield 1 is ensured. In addition, since the heat shield 1 has a hollow structure having a plurality of holes 15a and these holes 15a extend in the longitudinal direction, the width dimension W1 of the heat shield 1 is set between the side surfaces 4a of the rafters 4. Can be easily adjusted in accordance with the distance W2, and the workability is improved.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

For example, in the above-described embodiment, the first slit 9 and the second slit 10 are formed by making a cut, but the present invention is not limited to this.
FIG. 12 shows a modification of the present embodiment. In the illustrated example, the first slit 19 and the second slit 20 are formed by punching with a punching die or the like, and have a groove width that can be visually recognized. In this case, it is easy to recognize the positions of the tongue piece 11 and the hole 12 at the time of construction. However, in the case where the first slit 9 and the second slit 10 are formed with cuts as in the above-described embodiment, the end material (punched piece) is not produced at the time of manufacture, and the heat shielding efficiency after installation is improved. More preferable.

  In the above-described embodiment, the first slit 9 is cut toward the opposite side of the tongue piece 11 with respect to the pair of second slits 10 and 10, but is not limited thereto. It is not something. That is, for example, the first slit 9 may be cut toward the opposite side of the tongue piece 11 only with respect to one second slit 10 of the pair of second slits 10 and 10. .

  As shown in FIG. 13, the second slit 10 may extend from the end of the first slit 9 toward the main body 6 side.

  Further, the main body 6 has a plurality of fine through holes (not shown) penetrating in the thickness direction of the main body 6, and moisture on the indoor 3 side (the back of the cabin) passes through these through holes. In addition, it may be configured to be discharged to the base plate 2 side (roof 5 side). In this case, moisture that has flowed into the ventilation layer 21 between the base plate 2 and the main body 6 from the indoor 3 side through the through hole of the main body 6 is discharged from the building (building) through the ventilation layer 21. Therefore, the moisture in the room 3 is discharged while the heat shielding efficiency described above is enhanced, and a more comfortable room 3 space can be obtained.

DESCRIPTION OF SYMBOLS 1 Heat-shielding material 4 Rafter 4a Side 6 Body part 7 Connection means 8 Standing part 9, 19 1st slit 10, 20 2nd slit 11 Tongue piece 12 Hole

Claims (2)

A heat shield disposed between rafters extending in parallel,
A main body formed in a plate shape so as to connect the sides of the rafters facing each other;
An upright portion that is erected on an end portion of the main body portion on the side surface of the rafter and is connected to the side surface of the rafter by connecting means;
A first slit extending along a boundary between the main body portion and the upright portion;
A pair of second slits extending from the first slit toward the main body and facing each other,
A heat shield material, characterized in that an elastically deformable tongue piece formed so as to be surrounded by the first slit and the pair of second slits closes and closes the hole of the main body. The heat shielding material according to claim 1,
The heat shielding material, wherein the first slit is cut toward the opposite side of the tongue piece from the second slit.

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