JP3927320B2 - Floor panel unit - Google Patents

Floor panel unit Download PDF

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JP3927320B2
JP3927320B2 JP20981998A JP20981998A JP3927320B2 JP 3927320 B2 JP3927320 B2 JP 3927320B2 JP 20981998 A JP20981998 A JP 20981998A JP 20981998 A JP20981998 A JP 20981998A JP 3927320 B2 JP3927320 B2 JP 3927320B2
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Prior art keywords
floor panel
floor
foamed polystyrene
panel unit
case
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JP2000045444A (en
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憲敬 谷水
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谷水 憲敬
谷水 富一
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Description

【0001】
【発明の属する技術分野】
本発明は、木造住宅やコンクリート住宅の各階の床に組み込まれる床パネルユニットで、詳しくは防音機能を高めた防音床の捨張り用床パネルユニットに関する。
【0002】
【従来の技術】
近年、マンションなどの集合住宅の床には防音性を高めた防音床材が多用される傾向にある。防音床材は、中間にゴムシート等の防音シートを圧着させた合板や、裏面にスポンジ等の緩衝材を貼り付けた合板等の様々な防音合板が一般的である。
【0003】
この種の防音合板を床に使用した木造住宅の床構造としては、角棒の根太の上に防音合板を単層に敷設した根太張り構造と、根太の上に敷設した捨張りパネルの上に防音合板を単層に敷設した捨張り構造がある。捨張りパネルは、木質だけの合板又はパーティクルボードである。また、コンクリート住宅においては、コンクリート床の上にボルトの支持脚で捨張りパネルや防音合板を支持した防音床構造がある。
【0004】
【発明が解決しようとする課題】
上記の防音合板の外形や断面構造は様々であり、その防音性能も用途に応じて様々であるが、概して構造複雑で高価なものほど防音性能に優れている。そのため、集合住宅のような階下への防音性能に高度なものが要求される床の施工やリフォームにおいては、必然的に高価な防音合板を使用せざるを得ない不具合があった。
【0005】
また、防音合板の防音性能が多少悪くても、これを捨張りパネル上に敷設して防音床を2層構造にすると防音床全体の防音性能を上げることができるが、捨張りパネル自体の防音性が悪くて、この捨張りパネルによる2層構造防音床全体の防音性能アップの改善効果が小さい。そこで、捨張りパネルの裏面にグラスウール等の吸音材を貼り付けて、捨張りパネル自体に防音性を持たせることも行われているが、この場合、床施工後に捨張りパネル裏面の吸音材がコンクリート床等からの湿気を吸湿し、この湿気を捨張りパネルが吸湿して捨張りパネルに反りが発生し、この反りで捨張りパネル上の防音合板の一部が浮き上がる等の変形をして床の外観が悪くなることがある。
【0006】
また、防音合板や捨て張りパネルの裏面に貼り付けるグラスウール等の吸音材は断熱材でもあり、このグラスウール等の吸音断熱材の量を多くして床暖房の床材とすることも行われている。しかし、この場合も吸音断熱材が湿気を吸湿して防音合板や捨張りパネルを反らせることがあり、更に、湿気を吸湿することで断熱性が低下して床暖房の熱効率を劣化させることがある。
【0007】
本発明の目的とするところは、上記捨張りパネルとして使用すれば床の防音性能と断熱性能を上げる防音断熱捨張りパネルとなる多機能な床パネルユニットを提供することにある。
【0008】
【課題を解決するための手段】
本発明の上記目的を達成する技術的手段は、合板又はパーティクルボードの床パネルと、この床パネルの裏面の周縁部を除く所定の領域に開口上端面が接着固定された上端開口箱形の発泡スチロールケースと、床パネルの裏面に発泡スチロールケースが固定される前に床パネルと発砲スチロールケースの間に充填されたグラスウール等の吸音断熱材とを具備したことを特徴とする。
【0009】
また、本発明は、上記床パネルが矩形で、この床パネルの縦方向中心線及び又は横方向中心線で床パネルの裏面を複数の矩形の区画領域に分けて、各区画領域の各々の全周縁部を除く中央部に発泡スチロールケースと吸音断熱材を固着したことを特徴とする。
【0010】
ここで、合板又はパーティクルボードの床パネルは、従来の捨張りパネルに相当するものでよい。この床パネルの裏面に吸音断熱材を発泡スチロールケースで囲んで固定して床パネルユニットが構成される。吸音断熱材は床パネルの内外を伝わる音を吸収して床パネルユニット全体の防音性能を上げる。また、吸音断熱材と発泡スチロールケースは共に優れた断熱材で、床パネルユニットを床暖房構造の床板に使用すると、熱効率の良い床暖房構造が可能となる。また、発泡スチロールケースは耐水耐湿性に優れることから、吸音断熱材を外部湿気から保護して、床パネルユニットの変形(反り)を防止し、断熱性の劣化を防止する。
【0011】
また、本発明は、上記床パネルの裏面の各区画領域に固定される複数の発泡スチロールケースの各々の外周に、この外周と床パネルの外周の間の部分に延在する外側延在保護部と、隣接する発泡スチロールケースの間に延在する内側延在保護部を、各発泡スチロール外周から刃物で切断分離可能に一体成形したことを特徴する。
【0012】
ここでの各発泡スチロールケース外周に一体成形された発泡スチロールの外側及び内側延在保護部は、床パネルユニットの梱包や運搬時に床パネルの周縁を外部衝撃力から保護するもので、床パネルユニットを根太等に施工する際に必要に応じて刃物で切断分離される。この延在保護部の切断分離は、延在保護部が発泡スチロールゆえに手動で簡単に行われる。
【0013】
【発明の実施の形態】
以下、実施例について図1乃至図5を参照して説明する。
【0014】
図1(A)、(B)は捨張り構造の防音床を示すもので、根太5に敷設される捨張りパネルが本発明実施例の床パネルユニット1である。この床パネルユニット1は、合板又はパーティクルボードの床パネル2の裏面に上端開口箱形の発泡スチロールケース3とグラスウール等の吸音断熱材4を固定して構成される。根太5上に敷設された床パネル2上に床仕上げ板、例えば既存の防音合板6を敷設して防音床、或いは、床暖房にも適した防音断熱床が施工される。
【0015】
床パネルユニット1の具体例を図2(A)、(B)に示すと、床パネル2は横606mmで縦1820mmの矩形板で、裏面が横中心線と縦中心線で4区画領域に分けられ、この4区画領域の各々に矩形の発泡スチロールケース3が配置される。各発泡スチロールケース3の中にグラスウールの吸音断熱材4を充填して、発泡スチロールケース3が床パネル2に固定される。各発泡スチロールケース3は、5mm厚の底板と側板を有する深さ40mmの矩形箱で、その開口上端面が床パネル2の裏面に接着剤で固定される。また、各発泡スチロールケース3の外周と床パネル2の外周の間の床パネル2裏面に所定幅wの外側座面11が形成され、隣接する発泡スチロールケース3の間の床パネル2裏面に2倍幅2wの内側座面12が形成される。幅wは根太5の幅の約1/2で、幅wの外側座面11と幅2wの内側座面12を根太5に載せるようにして、床パネル2が根太5上に敷設される。根太5は45×45mmの角棒である。
【0016】
床パネル2の裏面の4区画領域に固定される前の発泡スチロールケース3は、例えば図3に示すように外側延在保護部3aと内側延在保護部3bで一体に連結されている。外側延在保護部3aは床パネル2の外側座面11に沿った発泡スチロールの矩形枠であり、内側延在保護部3bは床パネル2の十文字状の内側座面12に沿った発泡スチロールの十文字枠で、この各延在保護部3a、3bと各発泡スチロールケース3の境界線に沿って部分的に薄肉の連結部3cと切取り用スリット7が形成される。各延在保護部3a、3bは床パネル2の裏面に接着されず遊離しており、この各延在保護部3a、3bと各発泡スチロールケース3が薄肉の連結部3cで一体に連結される。図3(C)の矢印で示す方向から薄肉の連結部3cを刃物で切断することで、発泡スチロールケース3から各延在保護部3a、3bが分離される。
【0017】
床パネルユニット1は図3の状態で製造され、梱包されて床施工の現場に運搬される。このとき、床パネルユニット1の裏面を形成する発泡スチロールの各延在保護部3a、3bが発泡スチロールケース3を梱包時のロープ締付力等の外部衝撃力から保護する。この保護機能で床パネルユニット1の梱包や運搬、床の施工作業が容易になる。
【0018】
床施工の現場で延在保護部3a、3bの切り離しが選択される。図1の防音床の施工においては、1つの床パネルユニット1の各延在保護部3a、3bが切断分離されて、床パネル2の裏面の外側座面11と内側座面12が根太5上に載置される。各発泡スチロールケース3は、隣接する根太5の間に嵌入されて防音床の下面を形成する。床パネル2上に防音合板6が敷設されて、2層構造の防音床が施工される。
【0019】
図1の防音床の場合、床パネルユニット1の吸音断熱材4が床パネル2に伝わる音を吸収して床パネルユニット1全体の防音性を高める。また、発泡スチロールケース3も防音性があり、床パネルユニット1の防音性を尚更に高める。従って、防音合板6の防音性が低くても床パネルユニット1と組み合わせることで防音機能の良い2層構造の防音床が施工できる。
【0020】
例えば図5で床衝撃音測定試験の実験データを説明する。図5の重量衝撃音グラフPは、図1の防音床の床パネルユニット1から吸音断熱材4と発泡スチロールケース3を省略したときの従来構造に近い防音床の実験データから作成されたものである。図5の重量衝撃音グラフQは、図1の本発明床パネルユニット1を組み込んだ防音床の実験データから作成したものである。この床衝撃音測定試験に示すグラフQは、各中心周波数において床衝撃音レベル計算値がグラフPより小さくて、床パネルユニット1の使用で床衝撃音レベルのL値がほぼ1級ずつ改善されたことが分かる。
【0021】
図1の防音床は断熱床としても効果的である。即ち、床パネルユニット1の吸音断熱材4と発泡スチロールケース3は共に優れた断熱材であることから、床パネルユニット1を床暖房構造或いは床冷房構造の床板に使用すると、熱効率の良い床暖房或いは床冷房が可能となる。
【0022】
また、床パネルユニット1の下面を構成する発泡スチロールケース3は耐水耐湿性に優れるため、吸音断熱材4を外部湿気から保護して床パネル2の反り等の変形を防止し、床面の外観を良好に保つ。更に、発泡スチロールケース3が吸音断熱材4の湿気による断熱性劣化を防止して、床パネルユニット1全体の断熱性の低下を抑制する。
【0023】
以上の実施例は木造住宅の床に使用した床パネルユニット1であるが、この床パネルユニット1は例えば図4に示すようにコンクリート床9にも設置される。図4の床構造は、コンクリート床9に支持脚20を立て、支持脚20のボルト21の上端のブロック22で床パネルユニット1の床パネル2の外側座面11を支持し、床パネル2上に防音合板6を敷設したものである。この場合の床パネルユニット1の内側延在部3bは、切断せずに残しておくことが望ましい。
【0024】
尚、本発明は上記実施例に限らず、例えば1枚の板パネルの裏面を2区画領域に等分して、この2区画領域の各々に発泡スチロールケースと吸音断熱材を取り付けるようにしてもよい。
【0025】
【発明の効果】
本発明によれば、合板やパーティクルボードの床パネルの裏面に固定された吸音断熱材と発泡スチロールケースが床パネルの内外を伝わる音を吸収して床パネルユニット全体の防音性能を上げるので、高価な防音合板を使用することなく防音機能に優れた防音床の施工が可能となる。また、吸音断熱材と発泡スチロールケースは共に優れた断熱材であるので、床パネルユニットを床暖房構造の床板に使用すると熱効率の良い省エネルギー型床暖房が可能となる。更に、耐水耐湿性に優れた発泡スチロールケースが吸音断熱材を外部湿気から保護するので、床パネルの反り等の変形が無くなって床面の外観が良好に維持され、かつ、床パネルユニットの防音性、断熱性の劣化が防止される。
【0026】
また、発泡スチロールケースの外周に切断分離可能に延在保護部を形成することで、床パネルユニットの梱包や運搬時に発泡スチロールケースが延在保護部で外部衝撃力から保護されて、床パネルユニットの梱包時や床施工時の取り扱いが簡便なものとなる。
【図面の簡単な説明】
【図1】同図(A)は本発明の一実施例の床パネルユニットを備えた床の一部省略部分を含む部分平面図,同図(B)はTa−Ta線に沿う床の部分拡大断面図。
【図2】同図(A)は図1における床パネルユニットの一部省略部分を含む裏面図、同図(B)はTb−Tb線の拡大断面図。
【図3】同図(A)は図2の床パネルユニットの施工前の部分裏面図、同図(B)はTc−Tc線の拡大断面図、同図(C)はTd−Td線の拡大断面図。
【図4】図1と同じ床パネルユニットを備えた他の床構造を示す床の部分断面図。
【図5】図1の床の衝撃音測定試験データを示す床衝撃音レベル計算値と中心周波数の試験データグラフ図。
【符号の説明】
1 床パネルユニット
2 床パネル
3 発泡スチロールケース
3a 外側延在保護部
3b 内側延在保護部
4 吸音断熱材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor panel unit incorporated in the floor of each floor of a wooden house or a concrete house, and more particularly to a floor panel unit for discarding a soundproof floor having an improved soundproofing function.
[0002]
[Prior art]
In recent years, there has been a tendency for soundproof floor materials having improved soundproofing properties to be used frequently on the floors of apartment houses such as apartments. As the soundproof flooring material, various soundproofing plywoods such as a plywood having a soundproofing sheet such as a rubber sheet bonded thereto in the middle and a plywood having a cushioning material such as sponge attached to the back surface are generally used.
[0003]
The floor structure of a wooden house that uses this type of soundproof plywood as the floor is based on a joist structure in which soundproof plywood is laid in a single layer on the joists of a square bar, and on a timber panel laid on the joists. There is a sanitary structure with soundproof plywood laid in a single layer. The scraping panel is a wood-only plywood or particle board. Further, in concrete houses, there is a soundproof floor structure in which a panel and a soundproof plywood are supported on a concrete floor with bolt support legs.
[0004]
[Problems to be solved by the invention]
The above-mentioned soundproof plywood has various outer shapes and cross-sectional structures, and the soundproofing performance varies depending on the application, but generally the more complex and expensive the structure, the better the soundproofing performance. For this reason, in the construction and renovation of floors that require a high level of soundproofing performance downstairs such as apartment buildings, there is a problem that an expensive soundproof plywood must be used.
[0005]
In addition, even if the soundproofing performance of the soundproofing plywood is somewhat poor, laying it on a panel and making it a two-layer structure can improve the soundproofing performance of the entire soundproofing floor. The effect of improving the soundproofing performance of the entire two-layered soundproofing floor by this panel is small. Therefore, sound absorbing material such as glass wool is pasted on the back of the panel, and the panel itself is soundproofed. However, in this case, the sound absorbing material on the back of the panel will be removed. Absorbs moisture from the concrete floor, etc., the moisture is removed and the panel absorbs moisture, causing the warped panel to warp, and this warping causes deformation of some of the soundproof plywood on the discarded panel. The appearance of the floor may deteriorate.
[0006]
In addition, the sound absorbing material such as glass wool to be attached to the back surface of the soundproofing plywood or the litter panel is also a heat insulating material, and the amount of the sound absorbing heat insulating material such as glass wool is increased to be used as a floor heating floor material. . However, in this case as well, the sound-absorbing heat insulating material may absorb moisture and warp the soundproofing plywood and the disposing panel, and further, moisture absorption may reduce heat insulation and deteriorate the thermal efficiency of floor heating. .
[0007]
An object of the present invention is to provide a multifunctional floor panel unit that can be used as the above-described scraping panel, which becomes a soundproofing and heat insulating panel that improves the soundproofing performance and heat insulating performance of the floor.
[0008]
[Means for Solving the Problems]
The technical means for achieving the above object of the present invention includes a plywood or particle board floor panel, and a top-opening box-shaped foamed polystyrene whose opening top surface is bonded and fixed to a predetermined region excluding the peripheral edge of the back surface of the floor panel. It is characterized by comprising a case and a sound absorbing heat insulating material such as glass wool filled between the floor panel and the foamed polystyrene case before the foamed polystyrene case is fixed to the back surface of the floor panel.
[0009]
In the present invention, the floor panel has a rectangular shape, and the back surface of the floor panel is divided into a plurality of rectangular partitioned areas at the longitudinal center line and / or the lateral center line of the floor panel. A foamed polystyrene case and a sound-absorbing heat insulating material are fixed to the central portion excluding the peripheral portion.
[0010]
Here, the floor panel of plywood or particle board may correspond to a conventional scraping panel. A sound absorbing heat insulating material is surrounded and fixed on the back surface of the floor panel by a foamed polystyrene case to constitute a floor panel unit. The sound-absorbing heat insulating material absorbs the sound transmitted inside and outside the floor panel and improves the sound insulation performance of the entire floor panel unit. In addition, both the sound absorbing heat insulating material and the polystyrene foam case are excellent heat insulating materials. When the floor panel unit is used for a floor plate of a floor heating structure, a floor heating structure with high thermal efficiency becomes possible. In addition, since the polystyrene case is excellent in water and moisture resistance, the sound absorbing heat insulating material is protected from external moisture to prevent deformation (warping) of the floor panel unit and deterioration of heat insulation.
[0011]
Further, the present invention provides an outer extension protection portion extending to a portion between the outer periphery and the outer periphery of the floor panel on the outer periphery of each of the plurality of polystyrene foam cases fixed to each partition region on the back surface of the floor panel. The inner extension protection portion extending between the adjacent polystyrene foam cases is integrally formed so that it can be cut and separated from the outer circumference of each polystyrene foam with a blade.
[0012]
The outside and inside extension protection parts of the polystyrene foam integrally formed on the outer periphery of each foam case here protect the periphery of the floor panel from external impact force when packing and transporting the floor panel unit. It is cut and separated with a blade as necessary when it is constructed. This cutting and separation of the extended protective part is easily performed manually because the extended protective part is made of polystyrene foam.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments will be described with reference to FIGS. 1 to 5.
[0014]
1 (A) and 1 (B) show a soundproof floor having a floor structure, and the floor panel laid on the joists 5 is the floor panel unit 1 of the embodiment of the present invention. The floor panel unit 1 is configured by fixing a foamed polystyrene case 3 having an upper end opening box shape and a sound absorbing heat insulating material 4 such as glass wool on the back surface of a floor panel 2 of plywood or particle board. A floor finish plate, for example, an existing soundproof plywood 6 is laid on the floor panel 2 laid on the joist 5 to construct a soundproof floor or a soundproof heat insulating floor suitable for floor heating.
[0015]
A specific example of the floor panel unit 1 is shown in FIGS. 2A and 2B. The floor panel 2 is a rectangular plate having a width of 606 mm and a length of 1820 mm, and the back surface is divided into four sections by a horizontal center line and a vertical center line. The rectangular foamed polystyrene case 3 is disposed in each of the four compartment areas. Each foamed polystyrene case 3 is filled with a sound absorbing heat insulating material 4 made of glass wool, and the foamed polystyrene case 3 is fixed to the floor panel 2. Each polystyrene case 3 is a rectangular box having a depth of 40 mm having a bottom plate and a side plate having a thickness of 5 mm, and the upper end surface of the opening is fixed to the back surface of the floor panel 2 with an adhesive. In addition, an outer seat surface 11 having a predetermined width w is formed on the back surface of the floor panel 2 between the outer periphery of each foamed polystyrene case 3 and the outer periphery of the floor panel 2, and double width is provided on the back surface of the floor panel 2 between the adjacent foamed polystyrene cases 3. A 2w inner seat surface 12 is formed. The width w is about ½ of the width of the joist 5, and the floor panel 2 is laid on the joist 5 so that the outer seat surface 11 having the width w and the inner seat surface 12 having the width 2 w are placed on the joist 5. The joist 5 is a 45 × 45 mm square bar.
[0016]
The expanded polystyrene case 3 before being fixed to the four compartments on the back surface of the floor panel 2 is integrally connected by an outer extension protection part 3a and an inner extension protection part 3b, for example, as shown in FIG. The outer extension protection part 3 a is a rectangular frame of polystyrene foam along the outer seating surface 11 of the floor panel 2, and the inner extension protection part 3 b is a cross foam frame of polystyrene foam along the cross-shaped inner seating face 12 of the floor panel 2. Thus, a partially thin connecting portion 3c and a slit 7 for cutting are formed along the boundary line between the extended protection portions 3a and 3b and the polystyrene foam case 3. Each extended protection part 3a, 3b is not bonded to the back surface of the floor panel 2 and is free, and each extended protection part 3a, 3b and each expanded polystyrene case 3 are integrally connected by a thin connection part 3c. Each thin protection part 3a, 3b is separated from the foamed polystyrene case 3 by cutting the thin connection part 3c with a blade from the direction indicated by the arrow in FIG.
[0017]
The floor panel unit 1 is manufactured in the state shown in FIG. 3, packed and transported to the floor construction site. At this time, the respective expanded protection portions 3a and 3b of the foamed polystyrene forming the back surface of the floor panel unit 1 protect the foamed polystyrene case 3 from an external impact force such as a rope tightening force at the time of packing. This protective function facilitates the packaging and transportation of the floor panel unit 1 and the floor construction work.
[0018]
The separation of the extended protection parts 3a and 3b is selected at the floor construction site. In the construction of the soundproof floor of FIG. 1, the extended protection portions 3 a and 3 b of one floor panel unit 1 are cut and separated, and the outer seat surface 11 and the inner seat surface 12 on the back surface of the floor panel 2 are on the joists 5. Placed on. Each polystyrene case 3 is inserted between adjacent joists 5 to form the lower surface of the soundproof floor. A soundproof plywood 6 is laid on the floor panel 2 to construct a two-layered soundproof floor.
[0019]
In the case of the soundproof floor of FIG. 1, the sound absorbing heat insulating material 4 of the floor panel unit 1 absorbs the sound transmitted to the floor panel 2 and enhances the soundproofing property of the floor panel unit 1 as a whole. Moreover, the foamed polystyrene case 3 is also soundproof and further enhances the soundproofness of the floor panel unit 1. Therefore, even if the soundproofing property of the soundproofing plywood 6 is low, a soundproofing floor having a two-layer structure with a good soundproofing function can be constructed by combining with the floor panel unit 1.
[0020]
For example, FIG. 5 illustrates experimental data of a floor impact sound measurement test. The weight impact sound graph P in FIG. 5 is created from experimental data of a soundproof floor close to a conventional structure when the sound absorbing heat insulating material 4 and the polystyrene foam case 3 are omitted from the floor panel unit 1 of the soundproof floor in FIG. . The weight impact sound graph Q of FIG. 5 is created from experimental data of a soundproof floor incorporating the floor panel unit 1 of the present invention of FIG. In the graph Q shown in this floor impact sound measurement test, the floor impact sound level calculation value is smaller than the graph P at each center frequency, and the use of the floor panel unit 1 improves the L value of the floor impact sound level almost by one grade. I understand that.
[0021]
The soundproof floor of FIG. 1 is also effective as a heat insulation floor. That is, both the sound absorbing heat insulating material 4 and the polystyrene foam case 3 of the floor panel unit 1 are excellent heat insulating materials. Therefore, when the floor panel unit 1 is used for a floor panel having a floor heating structure or a floor cooling structure, the floor heating unit has a high thermal efficiency or Floor cooling is possible.
[0022]
Further, since the foamed polystyrene case 3 constituting the lower surface of the floor panel unit 1 is excellent in water and moisture resistance, the sound-absorbing heat insulating material 4 is protected from external moisture to prevent deformation such as warping of the floor panel 2 and to improve the appearance of the floor surface. Keep good. Furthermore, the foamed polystyrene case 3 prevents the heat insulating property deterioration due to the moisture of the sound absorbing heat insulating material 4 and suppresses the lowering of the heat insulating property of the entire floor panel unit 1.
[0023]
Although the above example is the floor panel unit 1 used for the floor of a wooden house, this floor panel unit 1 is also installed in the concrete floor 9, for example, as shown in FIG. In the floor structure of FIG. 4, support legs 20 are erected on the concrete floor 9, and the outer seating surface 11 of the floor panel 2 of the floor panel unit 1 is supported by the block 22 at the upper end of the bolt 21 of the support leg 20. A soundproof plywood 6 is laid on the wall. In this case, it is desirable to leave the inner extension 3b of the floor panel unit 1 without cutting.
[0024]
The present invention is not limited to the above embodiment, and for example, the back surface of one plate panel may be equally divided into two compartments, and a foamed polystyrene case and a sound absorbing heat insulating material may be attached to each of the two compartments. .
[0025]
【The invention's effect】
According to the present invention, the sound absorbing heat insulating material and the foamed polystyrene case fixed to the back surface of the floor panel of plywood or particle board absorb the sound transmitted inside and outside the floor panel and increase the sound insulation performance of the entire floor panel unit. It is possible to construct a soundproof floor having an excellent soundproof function without using a soundproof plywood. Moreover, since both the sound-absorbing heat insulating material and the polystyrene case are excellent heat insulating materials, when the floor panel unit is used for a floor panel of a floor heating structure, heat-efficient and energy-saving floor heating becomes possible. In addition, the foamed polystyrene case with excellent water and moisture resistance protects the sound-absorbing heat insulating material from external moisture, so that the floor panel is not deformed, and the appearance of the floor surface is maintained well. Deterioration of heat insulation is prevented.
[0026]
In addition, by forming an extended protective part on the outer periphery of the expanded polystyrene case so that it can be cut and separated, the expanded polystyrene case is protected from external impact force by the extended protected part during packing and transportation of the floor panel unit, and the floor panel unit is packed. Handling at the time and floor construction becomes simple.
[Brief description of the drawings]
FIG. 1 (A) is a partial plan view including a part of a floor having a floor panel unit according to an embodiment of the present invention, and FIG. 1 (B) is a portion of the floor along a Ta-Ta line. FIG.
2A is a back view including a part of the floor panel unit in FIG. 1 that is partially omitted, and FIG. 2B is an enlarged sectional view taken along line Tb-Tb.
3A is a partial back view before construction of the floor panel unit of FIG. 2, FIG. 3B is an enlarged cross-sectional view of a Tc-Tc line, and FIG. 3C is a Td-Td line. FIG.
4 is a partial cross-sectional view of a floor showing another floor structure including the same floor panel unit as FIG. 1. FIG.
5 is a floor impact sound level calculation value and a center frequency test data graph showing the floor impact sound measurement test data of FIG. 1. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Floor panel unit 2 Floor panel 3 Styrofoam case 3a Outer extension protection part 3b Inner extension protection part 4 Sound absorption heat insulating material

Claims (3)

合板又はパーティクルボードの床パネルと、この床パネルの裏面の周縁部を除く所定の領域に開口上端面が接着固定された上端開口箱形の発泡スチロールケースと、床パネルの裏面に発泡スチロールケースが固定される前に床パネルと発砲スチロールケースの間に充填されたグラスウール等の吸音断熱材とを具備したことを特徴とする床パネルユニット。A plywood or particleboard floor panel, a top-opening box-shaped foamed polystyrene case with the top edge of the opening bonded and fixed to a predetermined area excluding the peripheral edge of the back of the floor panel, and a foamed polystyrene case fixed to the back of the floor panel A floor panel unit comprising a sound-absorbing heat insulating material such as glass wool filled between the floor panel and the foamed polystyrene case. 上記床パネルが矩形で、この床パネルの縦方向中心線及び又は横方向中心線で床パネルの裏面を複数の矩形の区画領域に分けて、各区画領域の各々の全周縁部を除く中央部に発泡スチロールケースと吸音断熱材を固着したことを特徴とする請求項1記載の床パネルユニット。The floor panel is rectangular, and the center of the floor panel is divided into a plurality of rectangular partitioned areas by using the vertical center line and / or horizontal center line of the floor panel, and the central part excluding the entire peripheral edge of each partitioned area. The floor panel unit according to claim 1, wherein a foamed polystyrene case and a sound-absorbing heat insulating material are fixed to each other. 上記床パネル裏面の各区画領域に固定される複数の発泡スチロールケースの各々の外周に、この外周と床パネルの外周の間の部分に延在する外側延在保護部と、隣接する発泡スチロールケースの間に延在する内側延在保護部を、各発泡スチロール外周から刃物で切断分離可能に一体成形したことを特徴とする請求項2記載の床パネルユニット。On the outer periphery of each of the plurality of foamed polystyrene cases fixed to the respective partition regions on the back surface of the floor panel, between the outer extending protective part extending to the portion between the outer periphery and the outer periphery of the floor panel, and the adjacent foamed polystyrene case 3. The floor panel unit according to claim 2, wherein the inner extension protection portion extending to the outer periphery is integrally formed so as to be cut and separable from the outer periphery of each foamed polystyrene with a blade.
JP20981998A 1998-07-24 1998-07-24 Floor panel unit Expired - Fee Related JP3927320B2 (en)

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JP20981998A JP3927320B2 (en) 1998-07-24 1998-07-24 Floor panel unit

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Application Number Priority Date Filing Date Title
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JP3927320B2 true JP3927320B2 (en) 2007-06-06

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Publication number Priority date Publication date Assignee Title
JP3892659B2 (en) * 2000-10-06 2007-03-14 株式会社神戸製鋼所 Floor structure
JP4976105B2 (en) * 2006-10-25 2012-07-18 大和ハウス工業株式会社 Insulated floor panel

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