JP4757522B2 - Insulation board - Google Patents

Insulation board Download PDF

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JP4757522B2
JP4757522B2 JP2005109575A JP2005109575A JP4757522B2 JP 4757522 B2 JP4757522 B2 JP 4757522B2 JP 2005109575 A JP2005109575 A JP 2005109575A JP 2005109575 A JP2005109575 A JP 2005109575A JP 4757522 B2 JP4757522 B2 JP 4757522B2
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main body
split groove
heat insulating
movable piece
inclined surface
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JP2006291461A (en
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尚也 石田
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Fukuvi Chemical Industry Co Ltd
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Fukuvi Chemical Industry Co Ltd
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Description

この発明は、大引間や根太間等に配置される断熱板に関する。   The present invention relates to a heat insulating plate disposed in a large drawing room or a joisting room.

一般に、この種の断熱板は、図１３に示す主体１を備えている。主体１は、平面視矩形の平板状をなしており、その両側部には、各側部に沿って延びる割溝２がそれぞれ形成されている。この割溝２より外側の部分が可動片部３になっている。この可動片部３は、割溝２の底部と主体１の下面との間に存する変形部４が弾性変形することにより、図１４に示すように、割溝２の外側の側面２ｂの上端縁が内側の側面２ａに接触するまで回動変位可能である。   In general, this type of heat insulating plate includes a main body 1 shown in FIG. The main body 1 has a flat plate shape having a rectangular shape in plan view, and split grooves 2 extending along the respective side portions are formed on both sides thereof. A portion outside the dividing groove 2 is a movable piece 3. As shown in FIG. 14, the movable piece 3 has an upper end edge of the side surface 2 b outside the dividing groove 2 when the deforming portion 4 existing between the bottom of the dividing groove 2 and the lower surface of the main body 1 is elastically deformed. Can be rotated until it contacts the inner side surface 2a.

前記のように構成された断熱板は、二つの根太（図示せず）間に挿入される。そして、可動片部３が根太に押し付けられることにより、二つの根太間に取り付けられる。
実公平２−８００５号公報 実公平４−１３２９１号公報 The heat insulating plate configured as described above is inserted between two joists (not shown). And the movable piece part 3 is attached between two joists by pressing on joists.
No. 2-8005 Japanese Utility Model Publication No. 4-13291

二つの根太の間隔には寸法誤差がある。その寸法誤差は、可動片部３が適宜に回動変位することによって吸収されている。したがって、可動片部３は、大きく回動変位可能であることが望ましい。   There is a dimensional error in the distance between the two joists. The dimensional error is absorbed by the movable piece 3 being appropriately rotated and displaced. Therefore, it is desirable that the movable piece portion 3 can be largely rotated and displaced.

可動片部３の回動変位量を大きくするには、割溝２の溝幅Ｗを広くすればよい。ところが、溝幅Ｗを大きくすると、図１２に示すように、割溝２の外側の側面２ｂが内側の側面２ａに突き当たるまで可動片部３が回動変位したとしても、割溝２の内部空間が三角形状をなす大きな空間Ｓとして残ってしまう。この結果、前述した従来の断熱板にあっては、
断熱効果が低下してしまうという問題があった。 In order to increase the rotational displacement amount of the movable piece portion 3, the groove width W of the dividing groove 2 may be increased. However, when the groove width W is increased, as shown in FIG. 12, even if the movable piece 3 is rotationally displaced until the outer side surface 2b of the dividing groove 2 abuts against the inner side surface 2a, the internal space of the dividing groove 2 is increased. Remains as a large space S having a triangular shape. As a result, in the conventional heat insulating plate described above,
There was a problem that the heat insulation effect fell.

この発明は、前記の問題を解決するために、矩形の平板状をなす主体を有し、この主体の表面の少なくとも一側部に当該一側部に沿って延びる割溝が形成され、前記主体の前記割溝より外側の部分が可動片部とされ、前記割溝の底部と前記主体の背面との間の部分が変形部とされ、前記変形部が弾性的に変形することにより、前記可動片部が前記割溝側へ変位可能である断熱板において、前記割溝の幅が底部側から前記主体の表面側に向かって広くなるよう、前記割溝の内側の側面に前記割溝の底部側から前記主体の表面側へ向かうにしたがって前記主体の内側へ向かうように傾斜する傾斜面が形成されていることを特徴としている。   In order to solve the above problems, the present invention has a main body having a rectangular flat plate shape, and a split groove extending along the one side portion is formed on at least one side portion of the surface of the main body. The portion outside the split groove is a movable piece portion, the portion between the bottom of the split groove and the back surface of the main body is a deformed portion, and the deformable portion is elastically deformed, whereby the movable In the heat insulating plate whose one part is displaceable toward the dividing groove, the bottom of the dividing groove is formed on the inner side surface of the dividing groove so that the width of the dividing groove increases from the bottom side toward the surface side of the main body. An inclined surface is formed so as to incline toward the inside of the main body from the side toward the surface side of the main body.

この場合、後述する理由により、前記傾斜面が、前記割溝の途中（割溝の底部から主体の表面に向かう途中）から前記主体の表面に向かって形成されていることが望ましい。
前記主体の表面の一端部に前記割溝から前記表面の一端部に沿って延び、外側の側部が外部に開放された嵌合凹部が形成されていることが望ましい。
前記主体の表面の一端部に嵌合突出部が形成され、この嵌合突出部の側面が前記割溝の傾斜面と同一面によって形成されていることが望ましい。
前記主体の表面の一端部に前記割溝から前記表面の一端部に沿って延び、外側の側部が外部に開放された嵌合凹部が形成され、前記主体の表面の他端部に嵌合突出部が形成され、この嵌合突出部の側面が前記割溝の傾斜面と同一面によって形成されていることが望ましい。 In this case, for the reason described later, it is desirable that the inclined surface is formed from the middle of the split groove (on the way from the bottom of the split groove toward the surface of the main body) toward the surface of the main body.
It is desirable that a fitting recess is formed at one end portion of the surface of the main body, extending from the split groove along one end portion of the surface and having an outer side portion opened to the outside.
It is desirable that a fitting protrusion is formed at one end of the main surface, and a side surface of the fitting protrusion is formed by the same plane as the inclined surface of the split groove.
A fitting recess is formed at one end of the surface of the main body, extending from the split groove along one end of the surface, and having an outer side opened to the outside, and is fitted to the other end of the surface of the main body. It is desirable that a protruding portion is formed and that the side surface of the fitting protruding portion is formed by the same plane as the inclined surface of the split groove.

前記特徴構成を有するこの発明によれば、主体の表面における割溝の溝幅を一定にした場合、この発明の割溝では内側の側面に傾斜面が形成されている分だけ割溝の底部側の溝幅を狭くすることができる。この結果、可動片部を割溝側へ変位した後に残る空間を小さくすることができる。   According to the present invention having the above-described characteristic configuration, when the groove width of the split groove on the main surface is constant, the bottom surface of the split groove is the same as the inclined surface is formed on the inner side surface of the split groove of the present invention. The groove width can be reduced. As a result, the space remaining after the movable piece portion is displaced toward the dividing groove can be reduced.

以下、この発明を実施するための最良の形態を、図面を参照して説明する。
図１は、この発明の第１実施の形態を示す。この実施の形態の断熱板１０は、主体１１を備えている。主体１１は、発泡スチロール等の発泡合成樹脂を用いて全体が一体に構成されている。主体１１は、平面視矩形状をなしており、その上面（表面）１２の長辺に沿う両側部には、上面１２の一端から他端まで延びる割溝１４がそれぞれ形成されている。 The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 shows a first embodiment of the present invention. The heat insulating plate 10 of this embodiment includes a main body 11. The main body 11 is integrally formed as a whole using a foamed synthetic resin such as polystyrene foam. The main body 11 has a rectangular shape in plan view, and split grooves 14 extending from one end to the other end of the upper surface 12 are formed on both sides along the long side of the upper surface (surface) 12.

図２〜図４に示すように、割溝１４は、外側の側面１５、内側の側面（傾斜面）１６及び底面１９によって区画されている。外側の側面１５は、主体１１の上面１２とのなす角度が直角になっている。つまり、傾斜角度が９０°になっている。内側の側面１６は、底部側の急傾斜面１７と、上面１２側の緩傾斜面１８とを有している。すなわち、内側に側面１６の高さ方向中間部分には交差部Ｂが設けられ、この交差部Ｂより底部側の側面は急傾斜面１７とされ、また、折曲線Ｂより上面側の側面は緩傾斜面１８とされている。急傾斜面１７及び緩傾斜面１８は、いずれも割溝１４の底部側から上面１２側へ向かうにしたがって上面１２の外側から内側へ向かうように傾斜させられている。しかも、緩傾斜面１８の傾斜角度（上面１２に対する角度）は、急傾斜面１７の傾斜角度より小さく設定されている。緩傾斜面１８は、その下端部において前記折曲線Ｂを介して急傾斜面１７と交差している。内側の側面１６は、急傾斜面１７と緩傾斜面１８とから構成することなく、図４において想像線で示すように、側面１６全体を緩傾斜面１８によって構成してもよい。ただし、後述する理由により、側面１６は、この実施の形態のように、底部側の急傾斜面１７と上面１２側の緩傾斜面１８とによって構成するのが望ましい。底面１９は、上面１２と平行な平面とされている。底面１９は、下方に向かって凹むように、半円状の円弧面によって形成してもよい。また、前記急傾斜面１７は、必ずしも、鋭角にする必要はなく、前記外側の側面１５に対して平行となるストレート形状であってもよいし、鈍角にしてもよい。   As shown in FIGS. 2 to 4, the split groove 14 is defined by an outer side surface 15, an inner side surface (inclined surface) 16, and a bottom surface 19. The angle formed between the outer side surface 15 and the upper surface 12 of the main body 11 is a right angle. That is, the inclination angle is 90 °. The inner side surface 16 has a steeply inclined surface 17 on the bottom side and a gently inclined surface 18 on the upper surface 12 side. That is, a crossing portion B is provided at an intermediate portion in the height direction of the side surface 16, the side surface on the bottom side from the crossing portion B is a steeply inclined surface 17, and the side surface on the upper surface side from the folding line B is loose. The inclined surface 18 is used. Both the steeply inclined surface 17 and the gently inclined surface 18 are inclined so as to go from the outside to the inside of the top surface 12 as it goes from the bottom side of the split groove 14 to the top surface 12 side. Moreover, the inclination angle of the gently inclined surface 18 (the angle with respect to the upper surface 12) is set smaller than the inclination angle of the steeply inclined surface 17. The gently inclined surface 18 intersects the steeply inclined surface 17 via the folding line B at the lower end thereof. The inner side surface 16 may not be composed of the steeply inclined surface 17 and the gently inclined surface 18, but the entire side surface 16 may be configured by the gently inclined surface 18 as shown by an imaginary line in FIG. 4. However, for the reason described later, it is desirable that the side surface 16 is constituted by the steeply inclined surface 17 on the bottom side and the gently inclined surface 18 on the upper surface 12 side as in this embodiment. The bottom surface 19 is a plane parallel to the top surface 12. The bottom surface 19 may be formed by a semicircular arc surface so as to be recessed downward. The steeply inclined surface 17 is not necessarily an acute angle, and may be a straight shape parallel to the outer side surface 15 or an obtuse angle.

主体１１のうち割溝１４から外側の部分が可動片部２０になっており、割溝１４と主体１１の下面（背面）１３との間の部分が変形部２１になっている。可動片部２０は、変形部２１が弾性変形することにより、変形部２１を中心として回動するように変位可能である。可動片部２０は、主体１１の外側から内側へ向かう方向へは、図５に示すように、割溝１４の外側の側面１５が緩傾斜面１８に面接触するまで回動変位可能である。可動片部２０がこのように回動変位した状態においては、可動片部２０の上面２０ａが上面１２と面一になり、側面２０ｂが上面１２と直交し、下面２０ｃが主体１１の下面１３と面一になるよう、上面２０ａ、側面２０ｂ、背面２０ｃがそれぞれ適宜に傾斜させられている。なお、可動片部２０の上面２０ａの割溝１４に隣接する部分には、可動片部２０が変位することなく初期位置に位置しているときに、上面１２と面一になる小平面２０ｄが形成されているが、この小平面２０ｄについては必ずしも形成する必要はない。   A portion of the main body 11 outside the dividing groove 14 is a movable piece portion 20, and a portion between the dividing groove 14 and the lower surface (back surface) 13 of the main body 11 is a deformed portion 21. The movable piece 20 can be displaced so as to rotate around the deformable portion 21 when the deformable portion 21 is elastically deformed. As shown in FIG. 5, the movable piece 20 can be rotationally displaced in the direction from the outer side to the inner side of the main body 11 until the outer side surface 15 of the split groove 14 comes into surface contact with the gently inclined surface 18. In the state in which the movable piece 20 is pivotally displaced in this way, the upper surface 20a of the movable piece 20 is flush with the upper surface 12, the side surface 20b is orthogonal to the upper surface 12, and the lower surface 20c is the lower surface 13 of the main body 11. The upper surface 20a, the side surface 20b, and the back surface 20c are each appropriately inclined so as to be flush with each other. Note that a portion of the upper surface 20a of the movable piece 20 adjacent to the split groove 14 has a small plane 20d that is flush with the upper surface 12 when the movable piece 20 is positioned at the initial position without being displaced. Although it is formed, it is not always necessary to form the small plane 20d.

図１及び図２に示すように、主体１１の上面１２の、割溝１４の長手方向における一端部（図１において左端部）には、嵌合凹部２２が形成されている。嵌合凹部２２は、当該一端部に沿って一方の割溝１４から他方の割溝１４まで延びている。したがって、嵌合凹部２２の長手方向（主体１１の一端部に沿う方向）の両端部は、割溝１４，１４にそれぞれ開放されている。その結果、嵌合凹部２２の長手方向の両端の側面が、割溝１４，１４の外側の側面１５，１５によって構成されている。嵌合凹部２２の外側の端部は、外部に開放されている。嵌合凹部２２の深さは、上面１２から緩傾斜面１８の下端縁までの距離とほぼ同一に設定されている。   As shown in FIGS. 1 and 2, a fitting recess 22 is formed in one end portion (left end portion in FIG. 1) of the upper surface 12 of the main body 11 in the longitudinal direction of the split groove 14. The fitting recess 22 extends from one split groove 14 to the other split groove 14 along the one end. Accordingly, both end portions of the fitting recess 22 in the longitudinal direction (the direction along one end portion of the main body 11) are open to the split grooves 14 and 14, respectively. As a result, the side surfaces at both ends in the longitudinal direction of the fitting recess 22 are constituted by the outer side surfaces 15, 15 of the split grooves 14, 14. The outer end of the fitting recess 22 is open to the outside. The depth of the fitting recess 22 is set to be substantially the same as the distance from the upper surface 12 to the lower end edge of the gently inclined surface 18.

図１、図３及び図６に示すように、割溝１４の長手方向における主体１１の他端面（図１において左端面）には、嵌合突出部２３が形成されている。この嵌合突出部２３は、一方の割溝１４から他方の割溝１４まで延びている。嵌合突出部２３の上面２４は、主体１４の上面を延長した平面によって構成されている。嵌合突出部２３の上下方向の厚さは、嵌合凹部２２の深さと同一に設定されている。嵌合突出部２３の突出量は、嵌合凹部２２の幅と同一に設定されている。しかも、嵌合突出部２３の長手方向の両端部にそれぞれ形成された側面２５は、緩傾斜面１８を延長した平面によって構成されている。したがって、嵌合突出部２３全体が嵌合凹部２２に挿入可能であり、その状態で割溝１４の側面１５が緩傾斜面１８に突き当たるまで可動片部２０が回動変位すると、図７に示すように、側面１５が嵌合突出部２３の側面２５に突き当たる。これにより、嵌合突出部２３が嵌合凹部２２に上方へ脱出不能に嵌合され、二つの断熱板１，１が互いに連結される。   As shown in FIGS. 1, 3, and 6, a fitting protrusion 23 is formed on the other end surface (left end surface in FIG. 1) of the main body 11 in the longitudinal direction of the dividing groove 14. The fitting protrusion 23 extends from one split groove 14 to the other split groove 14. The upper surface 24 of the fitting protrusion 23 is constituted by a flat surface extending from the upper surface of the main body 14. The vertical thickness of the fitting protrusion 23 is set to be the same as the depth of the fitting recess 22. The protrusion amount of the fitting protrusion 23 is set to be the same as the width of the fitting recess 22. Moreover, the side surfaces 25 formed at both ends in the longitudinal direction of the fitting protrusion 23 are constituted by flat surfaces obtained by extending the gently inclined surface 18. Therefore, the entire fitting protrusion 23 can be inserted into the fitting recess 22, and in this state, when the movable piece 20 is rotationally displaced until the side surface 15 of the split groove 14 hits the gently inclined surface 18, FIG. 7 shows. As described above, the side surface 15 abuts against the side surface 25 of the fitting protrusion 23. Thereby, the fitting protrusion 23 is fitted into the fitting recess 22 so as not to escape upward, and the two heat insulating plates 1 and 1 are connected to each other.

図８は、前記構成の断熱板１０が用いられた床構造を示すものであり、互いに平行に水平に配置された大引３１，３１間には、複数の断熱板１０が配置されている。各断熱板１０は、大引２１の長手方向に一列に並んで配置されている。そして、隣接する断熱板１０，１０どうしは、一方の断熱板１０の嵌合凹部２２に他方の断熱板１０の嵌合突出部２３が嵌合されることによって互いに連結されている。各断熱板１０は、可動片部２０，２０の側面２０ｂ，２０ｂが大引３１，３１にそれぞれ押し付けられることによって、大引３１，３１に支持されている。また、断熱板１０の上面１２は、床板３２の下面に押し付けられている。   FIG. 8 shows a floor structure in which the heat insulating plate 10 having the above-described configuration is used, and a plurality of heat insulating plates 10 are arranged between the draws 31 and 31 arranged horizontally in parallel with each other. The heat insulating plates 10 are arranged in a line in the longitudinal direction of the large pull 21. The adjacent heat insulating plates 10 and 10 are connected to each other by fitting the fitting protrusion 23 of the other heat insulating plate 10 into the fitting concave portion 22 of one heat insulating plate 10. Each heat insulating plate 10 is supported by the large pulls 31 and 31 by pressing the side surfaces 20b and 20b of the movable piece portions 20 and 20 against the large pulls 31 and 31, respectively. Further, the upper surface 12 of the heat insulating plate 10 is pressed against the lower surface of the floor plate 32.

前記の取付状態においては、断熱板１０の割溝１４の外側の側面１５が緩傾斜面１８に面接触しており、割溝１４の内部空間は、底部側の一部、つまり急傾斜面１７及び底面１９によって囲まれる一部が空間Ｓとして残るだけである。この空間Ｓは、従来の断熱板１の空間Ｓより大幅に小さい。したがって、断熱板１０の断熱効果が損なわれるのを確実に防止することができる。しかも、可動片部２０の上面２０ａが主体１１の上面１２と面一になっているから、可動片部２０の上面２０ａが床板３２に隙間なく接触する。よって、断熱効果をより一層確実に維持することができる。また、割溝１４の上端縁の幅が広いので、可動片部２０の回動変位量を大きくすることができる。したがって、大引３１，３１の間隔に大きな寸法誤差があったとしても、その寸法誤差を十分に吸収することができる。   In the attached state, the outer side surface 15 of the split groove 14 of the heat insulating plate 10 is in surface contact with the gently inclined surface 18, and the inner space of the split groove 14 is a part on the bottom side, that is, the steeply inclined surface 17. And only a part surrounded by the bottom surface 19 remains as a space S. This space S is significantly smaller than the space S of the conventional heat insulating plate 1. Therefore, it can prevent reliably that the heat insulation effect of the heat insulation board 10 is impaired. In addition, since the upper surface 20a of the movable piece 20 is flush with the upper surface 12 of the main body 11, the upper surface 20a of the movable piece 20 contacts the floor plate 32 without any gap. Therefore, the heat insulation effect can be maintained more reliably. Moreover, since the width of the upper edge of the split groove 14 is wide, the amount of rotational displacement of the movable piece 20 can be increased. Therefore, even if there is a large dimensional error in the interval between the draws 31, 31, the dimensional error can be sufficiently absorbed.

また、断熱板１０においては、割溝１４の内側の側面１６が上面１２側の緩傾斜面１８と底部側の急傾斜面１７とによって構成されているので、変形部２１が塑性変形したり破断したりすることなく、可動片部２０を回動変位させることができる。すなわち、空間Ｓをできる限り小さくするのであれば、図４において想像線で示すように、側面１６全体を緩傾斜面１８によって構成するのがよい。しかし、側面１６全体を緩傾斜面１８によって構成すると、割溝１４の底面１９の幅が狭くなり、それに応じて変形部２１の幅が狭くなる。このため、可動片部２０を割溝１４側に回動変位させたとき、変形部２１に過大な応力が作用し、変形部２１が塑性変形したり、破損するおそれがある。変形部２１が塑性変形したり、破損したりすると、変形部２１が可動片部２０を大引３１に押し付ける力が弱くなってしまう。この点、この断熱板１０では、側面１６の底部側の部分を急傾斜面１７としているから、側面１６全体を緩傾斜面１８にした場合に比して底面１９及び変形部２１の幅を広くすることができる。よって、変形部２１が塑性変形したり、破損するのを防止することができる。よって、可動片部を大引３１に強く押し付けることができる。   Further, in the heat insulating plate 10, since the inner side surface 16 of the split groove 14 is constituted by the gently inclined surface 18 on the upper surface 12 side and the steeply inclined surface 17 on the bottom side, the deformed portion 21 is plastically deformed or broken. The movable piece part 20 can be rotationally displaced without doing. That is, if the space S is made as small as possible, the entire side surface 16 is preferably constituted by the gently inclined surface 18 as shown by an imaginary line in FIG. However, when the entire side surface 16 is configured by the gently inclined surface 18, the width of the bottom surface 19 of the split groove 14 is narrowed, and the width of the deformed portion 21 is narrowed accordingly. For this reason, when the movable piece part 20 is rotationally displaced to the split groove 14 side, an excessive stress acts on the deformation part 21, and the deformation part 21 may be plastically deformed or damaged. If the deformable portion 21 is plastically deformed or damaged, the force with which the deformable portion 21 presses the movable piece portion 20 against the large pull 31 is weakened. In this respect, in the heat insulating plate 10, since the bottom side portion of the side surface 16 is the steeply inclined surface 17, the bottom surface 19 and the deformed portion 21 are wider than the case where the entire side surface 16 is the gently inclined surface 18. can do. Therefore, the deformation part 21 can be prevented from being plastically deformed or damaged. Therefore, the movable piece portion can be strongly pressed against the large pull 31.

断熱板１０は、可動片部２０を大引３１に押し付けるだけでも二つの大引３１，３１間に取り付けることができるが、この実施の形態では断熱板１０を大引３１に確実に取り付けるために、取付金具３３が用いられている。この取付金具３３は、図９（Ａ）〜（Ｄ）に示すように、金属の平板を階段状に折り曲げてなるものであり、上下方向に延びる連結板部３４と、この連結板部３４の上端部から水平方向に突出する取付板部３５と、連結板部３４の下端部から取付板部３５と逆側へ向かって水平に突出する支持板部３６とを有している。   The heat insulating plate 10 can be attached between the two large pulls 31, 31 simply by pressing the movable piece 20 against the large pull 31. In this embodiment, the heat insulating plate 10 is securely attached to the large pull 31. The mounting bracket 33 is used. As shown in FIGS. 9A to 9D, the mounting bracket 33 is formed by bending a metal flat plate in a step shape, and includes a connecting plate portion 34 extending in the vertical direction, and the connecting plate portion 34. The mounting plate portion 35 protrudes in the horizontal direction from the upper end portion, and the support plate portion 36 protrudes horizontally from the lower end portion of the connecting plate portion 34 toward the opposite side of the attachment plate portion 35.

取付板部３５は、大引３１の上面に載置される。このとき、取付板部３５の角部に設けられた爪部３７が大引３１に差し込まれることによって取付金具３３の位置決めと、仮固定が行われる。その後、取付板部３５に設けられた挿通孔３８にビス（図示せず）を挿通して大引３１にねじ込むことにより、取付板部３５大引３１に固定され、ひいては取付金具３３が大引３１に固定される。なお、大引３１の上面に床板３２を取り付けたときに床板３２が取付板部３５の厚さの分だけ大引３１から浮き上がるのを防止するために、大引３１の上面と床板３２の下面とのいずれか一方に取付板部３５を収容する凹部が形成するのが望ましい。連結板部３４は、大引３１と可動片部２０との間を通って断熱板１０の下側まで延びている。支持板部３６は、断熱板１０の下面１３を支持する。取付金具３３は、一つの断熱板１０に対して４個用いられているが、６個以上用いてもよい。   The mounting plate portion 35 is placed on the upper surface of the large pull 31. At this time, the claw portions 37 provided at the corners of the mounting plate portion 35 are inserted into the large pull 31 so that the mounting bracket 33 is positioned and temporarily fixed. Thereafter, a screw (not shown) is inserted into an insertion hole 38 provided in the attachment plate portion 35 and screwed into the extension 31 to fix the attachment plate portion 35 to the extension 31. As a result, the attachment 33 is extended. 31 is fixed. Note that when the floor board 32 is attached to the upper surface of the large drawing 31, the upper surface of the large drawing 31 and the lower surface of the floor board 32 are prevented in order to prevent the floor plate 32 from floating from the large drawing 31 by the thickness of the attachment plate portion 35. It is desirable that a concave portion for accommodating the mounting plate portion 35 is formed in any one of the above. The connecting plate portion 34 extends to the lower side of the heat insulating plate 10 through between the large pull 31 and the movable piece portion 20. The support plate portion 36 supports the lower surface 13 of the heat insulating plate 10. Although four mounting brackets 33 are used for one heat insulating plate 10, six or more mounting brackets 33 may be used.

図１０は、この発明に係る断熱板の二つの変形例を示す。一方の変形例である断熱板１０Ａは、割溝１４の長手方向における主体１１の一端部（図１０において右端部）に嵌合凹部２２が形成されているだけであり、他端面には嵌合突起が形成されていない。断熱板１０Ａの他端面は、上面１２と直交する平面として形成されている。もう一つの変形例である他方の断熱板１０Ｂは、割溝１４の長手方向における主体１１の一端面（図１０において左端面）に嵌合突起２３が形成されているだけであり、他端部には嵌合凹部が形成されていない。したがって、上面１２が他端面まで延びている。断熱板１０Ａ，１０Ｂの他の構成は、断熱板１０と同様である。これらの断熱板１０Ａ，１０Ｂは、大引３１の端部に配置して用いられる。     FIG. 10 shows two modifications of the heat insulating plate according to the present invention. A heat insulating plate 10A, which is one modified example, has only a fitting recess 22 formed at one end (right end in FIG. 10) of the main body 11 in the longitudinal direction of the dividing groove 14, and is fitted on the other end. No protrusion is formed. The other end surface of the heat insulating plate 10 </ b> A is formed as a plane orthogonal to the upper surface 12. The other heat insulating plate 10B, which is another modification, has only a fitting protrusion 23 formed on one end surface (the left end surface in FIG. 10) of the main body 11 in the longitudinal direction of the split groove 14, and the other end portion. There is no fitting recess formed in the. Therefore, the upper surface 12 extends to the other end surface. Other configurations of the heat insulating plates 10A and 10B are the same as those of the heat insulating plate 10. These heat insulating plates 10 </ b> A and 10 </ b> B are arranged and used at the end of the large pull 31.

図１１はこの発明の他の実施の形態を示す要部の拡大側面図である。この実施の形態が、前記実施の形態と異なるところは、可動片部２０の側面２０ｂの上面２０ａ側の角部４０が削り取られて傾斜面２０ｂｂが形成されている点、可動片部２０の下面２０ｃと主体１１の下面１３が円弧状となるように滑らかに繋がっている点である。
すなわち、可動片部２０の側面２０ｂは、上面２０ａに対して直交する下面側の傾斜面２０ｂａと、上面２０ａに対して鈍角をなす上面側の傾斜面２０ｂｂとからなっている。また、可動片部２０の下面２０ｃと主体１１の下面１３は、図１１に示すように、同一の曲率半径Ｒを有して滑らかに繋がっている。 FIG. 11 is an enlarged side view of a main part showing another embodiment of the present invention. This embodiment is different from the above embodiment in that the corner 40 on the upper surface 20a side of the side surface 20b of the movable piece 20 is scraped to form an inclined surface 20bb, and the lower surface of the movable piece 20 20c and the lower surface 13 of the main body 11 are smoothly connected so as to form an arc shape.
That is, the side surface 20b of the movable piece portion 20 is composed of an inclined surface 20ba on the lower surface side orthogonal to the upper surface 20a and an inclined surface 20bb on the upper surface side that forms an obtuse angle with respect to the upper surface 20a. Further, the lower surface 20c of the movable piece 20 and the lower surface 13 of the main body 11 are smoothly connected with the same radius of curvature R as shown in FIG.

この実施の形態では、可動片部２０の側面２０ｂが、互いの交差角が鈍角をなす、下面側の傾斜面２０ｂａと上面側の傾斜面２０ｂｂとの２つの傾斜面によって形成されているため、例えば、図１２に示すように、所定寸法より広くなった大引３１、３１間に当該断熱板１０がセットされ、割溝１４の外側の側面１５が割溝１４の内側の緩傾斜面１８に密着することなく、隙間Ｇをあけてセットされたときであっても、可動片部２０の上面２０ａ側の傾斜面２０ｂｂが大引３１の側面３１ａに面接触することが可能となる。このため、所定寸法より広くなった大引３１、３１間に断熱板１０がセットされたときでも、当該断熱板１０では、優れた断熱効果を得ることができる。
また、可動片部２０の下面２０ｃと主体１１の下面１３が円弧状となるように滑らかに繋がっているから、可動片部２０の変形部２１が変形する際に、応力が変形部２１の一個所に集中することなく広く分散することとなり、結果的に、強度的に優れた断熱板となる。 In this embodiment, the side surface 20b of the movable piece portion 20 is formed by two inclined surfaces, that is, an inclined surface 20ba on the lower surface side and an inclined surface 20bb on the upper surface side, whose crossing angle is an obtuse angle. For example, as shown in FIG. 12, the heat insulating plate 10 is set between the large pulls 31, 31 wider than a predetermined dimension, and the side surface 15 on the outer side of the split groove 14 becomes a gently inclined surface 18 on the inner side of the split groove 14. Even when the gap G is set with no gap, the inclined surface 20bb on the upper surface 20a side of the movable piece portion 20 can come into surface contact with the side surface 31a of the large pull 31. For this reason, even when the heat insulating plate 10 is set between the draws 31 and 31 which are wider than the predetermined dimension, the heat insulating plate 10 can obtain an excellent heat insulating effect.
In addition, since the lower surface 20c of the movable piece 20 and the lower surface 13 of the main body 11 are smoothly connected so as to form an arc shape, when the deformed portion 21 of the movable piece 20 is deformed, one stress is applied to the deformed portion 21. Therefore, it is widely dispersed without concentrating on the place, and as a result, the heat insulating plate is excellent in strength.

なお、この発明は、前記の各実施の形態に限定されるものでなく、その要旨を逸脱しない範囲において適宜変更可能である。
例えば、前記の実施の形態においては、この発明に係る断熱板１０（１０Ａ，１０Ｂ）を、大引３１，３１間に設けているが、根太間に配置してもよい。また、断熱板１０（１０Ａ、１０Ｂ）は、床用として使用されるのみならず、屋根用や壁用としても使用可能である。
また、前記の実施の形態においては、主体１１の長辺に沿う側部に割溝１４を形成しているが、短辺に沿う側部（前記の実施の形態における端部）に割溝１４を形成してもよい。また、両側部に割溝１４をそれぞれ形成することなく、一方の側部にのみ割溝１４を形成してもよい。その場合には、主体１１の他方の側面を上面１２と直交する平面にするのが望ましい。 In addition, this invention is not limited to each said embodiment, In the range which does not deviate from the summary, it can change suitably.
For example, in the above-described embodiment, the heat insulating plate 10 (10A, 10B) according to the present invention is provided between the draws 31, 31, but may be arranged between joists. Moreover, the heat insulation board 10 (10A, 10B) can be used not only for floors but also for roofs and walls.
Moreover, in the said embodiment, although the split groove 14 is formed in the side part along the long side of the main body 11, the split groove 14 is formed in the side part (end part in the said embodiment) along a short side. May be formed. Alternatively, the split grooves 14 may be formed only on one side without forming the split grooves 14 on both sides. In that case, it is desirable that the other side surface of the main body 11 be a plane orthogonal to the upper surface 12.

この発明の一実施の形態を示す斜視図である。1 is a perspective view showing an embodiment of the present invention. 図１のＸ矢視図である。FIG. 2 is a view taken in the direction of arrow X in FIG. 図１のＹ矢視図である。It is a Y arrow line view of FIG. 図２のＸ円部の拡大図である。It is an enlarged view of the X circle part of FIG. 可動片部を割溝の内側の側面に突き当たるまで回動変位させた状態を示す図４と同様の図である。FIG. 5 is a view similar to FIG. 4 showing a state in which the movable piece portion is rotationally displaced until it abuts against the inner side surface of the dividing groove. 嵌合凹部と嵌合突出部とが嵌合された二つの断熱板を示す平面図である。It is a top view which shows the two heat insulation board by which the fitting recessed part and the fitting protrusion part were fitted. 図６のＸ−Ｘ線に沿う断面図である。It is sectional drawing which follows the XX line of FIG. この発明に係る断熱板が用いられた床構造を示す斜視図である。It is a perspective view which shows the floor structure where the heat insulation board which concerns on this invention was used. 図８に示す床構造において用いられている取付金具を示す図であって図９（Ａ）はその側面図、図９（Ｂ）はその正面図、図９（Ｃ）はその背面図、図９（Ｄ）はその平面図である。FIG. 9A is a side view of the mounting bracket used in the floor structure shown in FIG. 8, FIG. 9B is a front view thereof, FIG. 9C is a rear view thereof, FIG. 9 (D) is a plan view thereof. この発明に係る断熱板の二つの変形例を示す斜視図である。It is a perspective view which shows the two modifications of the heat insulation board which concerns on this invention. この発明の他の実施の形態を示す要部の拡大側面図である。It is an enlarged side view of the principal part which shows other embodiment of this invention. この発明の他の実施の形態の作用を示す拡大側面図である。It is an enlarged side view which shows the effect | action of other embodiment of this invention. 従来の断熱板の要部を示す図４と同様の図である。It is a figure similar to FIG. 4 which shows the principal part of the conventional heat insulating board. 従来の断熱板の要部を示す図５と同様の図である。It is a figure similar to FIG. 5 which shows the principal part of the conventional heat insulating board.

符号の説明Explanation of symbols

１０ 断熱板
１ＯＡ 断熱板
１０Ｂ 断熱板
１１ 主体
１２ 上面（表面）
１３ 下面（背面）
１４ 割溝
１５ 割溝の外側の側面
１６ 割溝の内側の側面（傾斜面）
１７ 急傾斜面
１８ 緩傾斜面
１９ 底面
２０ 可動片部
２１ 変形部
２２ 嵌合凹部
２３ 嵌合突出部
２５ （嵌合突出部の）側面

DESCRIPTION OF SYMBOLS 10 Thermal insulation board 1OA Thermal insulation board 10B Thermal insulation board 11 Main body 12 Upper surface (surface)
13 Bottom (back)
14 Split groove 15 Side surface outside split groove 16 Side surface inside split groove (inclined surface)
17 Steeply inclined surface 18 Slowly inclined surface 19 Bottom surface 20 Movable piece portion 21 Deformed portion 22 Fitting recess portion 23 Fitting protrusion portion 25

Claims (4)

矩形の平板状をなす主体を有し、この主体の表面の少なくとも一側部に当該一側部に沿って延びる割溝が形成され、前記主体の前記割溝より外側の部分が可動片部とされ、前記割溝の底部と前記主体の背面との間の部分が変形部とされ、前記変形部が弾性的に変形することにより、前記可動片部が前記割溝側へ変位可能である断熱板において、
前記割溝の幅が底部側から前記主体の表面側に向かって広くなるよう、前記割溝の内側の側面に前記割溝の底部側から前記主体の表面側へ向かうにしたがって前記主体の内側へ向かうように傾斜する傾斜面が形成され、
前記傾斜面が、前記割溝の途中から前記主体の表面側に向かって形成されていることを特徴とする断熱板。 The main body has a rectangular flat plate shape, and at least one side portion of the surface of the main body is formed with a split groove extending along the one side portion, and a portion outside the split groove of the main body is a movable piece portion. The portion between the bottom of the split groove and the back surface of the main body is a deformed portion, and the deformable portion is elastically deformed so that the movable piece portion can be displaced toward the split groove. In the board,
The width of the split groove increases from the bottom side toward the surface side of the main body, and toward the inner side of the main body as it goes from the bottom side of the split groove toward the surface side of the main body toward the inner side surface of the split groove. An inclined surface that is inclined to face is formed ,
The heat insulating plate , wherein the inclined surface is formed from the middle of the dividing groove toward the surface side of the main body . 前記主体の表面の一端部に前記割溝から前記表面の一端部に沿って延び、外側の側部が外部に開放された嵌合凹部が形成されていることを特徴とする請求項１に記載の断熱板。   2. A fitting recess is formed at one end portion of the surface of the main body from the split groove along one end portion of the surface, and an outer side portion is opened to the outside. Insulation board. 前記主体の表面の他端部に嵌合突出部が形成され、この嵌合突出部の側面が前記割溝の傾斜面と同一面によって形成されていることを特徴とする請求項１に記載の断熱板。   The fitting protrusion is formed at the other end of the surface of the main body, and the side surface of the fitting protrusion is formed by the same plane as the inclined surface of the split groove. Insulation board. 前記主体の表面の一端部に前記割溝から前記表面の一端部に沿って延び、外側の側部が外部に開放された嵌合凹部が形成され、前記主体の表面の他端部に嵌合突出部が形成され、この嵌合突出部の側面が前記割溝の傾斜面と同一面によって形成されていることを特徴とする請求項１に記載の断熱板。   A fitting recess is formed at one end of the surface of the main body, extending from the split groove along one end of the surface, and having an outer side opened to the outside, and is fitted to the other end of the surface of the main body. The heat insulating plate according to claim 1, wherein a protrusion is formed, and a side surface of the fitting protrusion is formed by the same surface as the inclined surface of the split groove.
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