JP2005256288A

JP2005256288A - Deck material

Info

Publication number: JP2005256288A
Application number: JP2004065405A
Authority: JP
Inventors: Tomohiro Inoue; 知広井上; Kazuto Dosono; 和人堂園; Yoichi Sega; 洋一瀬賀; Kouji Kumagai; 光示熊谷
Original assignee: Misawa Homes Co Ltd; Shin Nikkei Co Ltd
Current assignee: Misawa Homes Co Ltd; Shin Nikkei Co Ltd
Priority date: 2004-03-09
Filing date: 2004-03-09
Publication date: 2005-09-22
Anticipated expiration: 2024-03-09
Also published as: JP4480425B2

Abstract

<P>PROBLEM TO BE SOLVED: To prevent such inconvenience that a screw for fixation is driven through a deck material having a symmetrical shape in the vertical direction and the screw passes through it obliquely when screwing the screw into it. <P>SOLUTION: In this deck material 1E having the symmetrical shape in the vertical direction in which wall thick parts 18a, 18b overhanging onto a side of a space 16 through which the screw 3 passes are formed in a part connected with an upper wall 11 and a lower wall 12 of a reinforcing wall 15, a recessed line 19 crossing a line through which the screw passes is formed on a face facing the space through which the screw passes of upper and lower wall thick parts by extrusion molding. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、建物のバルコニーやベランダ等の床部を構成するデッキ材に関する。 The present invention relates to a deck material constituting a floor portion of a building balcony or a veranda.

図２は、ガーデンデッキ又はバルコニーにおける従来のデッキ材の形状を示す断面図、図３は図２におけるねじ貫通部分の拡大図である。従来のデッキ材１は、一般的に上壁１１と下壁１２と両側壁１３，１４を有するほか、上壁の耐荷重強度補強のためにデッキ材の幅方向中間位置において上壁１１と下壁１２を連結する一つ又は複数の補強壁１５を設けて、その補強壁により区画された空間１６を有するように押出し成形されていた。各空間１６の押出し成形方向に直角な面における断面積は、上壁の耐荷重強度の均一化及び押出し成形時の樹脂材料の流速の均一化のため、ほぼ等しくされている。 FIG. 2 is a cross-sectional view showing the shape of a conventional deck material in a garden deck or a balcony, and FIG. 3 is an enlarged view of a screw penetration portion in FIG. The conventional deck material 1 generally has an upper wall 11, a lower wall 12, and both side walls 13 and 14, and the upper wall 11 and the lower wall at an intermediate position in the width direction of the deck material for reinforcing the load resistance strength of the upper wall. One or a plurality of reinforcing walls 15 for connecting the walls 12 are provided, and the resin is extruded so as to have a space 16 defined by the reinforcing walls. The cross-sectional area of each space 16 in the plane perpendicular to the extrusion direction is made substantially equal for uniform load bearing strength of the upper wall and uniform flow rate of the resin material during extrusion molding.

ガーデンデッキの大引又はバルコニーの根太等の支持部材２の上面に載置したデッキ材１を固着するには、デッキ材１のいずれかの補強壁の至近位置でねじ（又は釘。以下、同じ。）３を空間１６に貫通して支持部材２に固着していた。 In order to fix the deck material 1 placed on the upper surface of the support member 2 such as a garden deck overhang or a balcony joist, a screw (or a nail. .) 3 passed through the space 16 and was fixed to the support member 2.

上記従来のデッキ材においては、補強壁１５が垂直に形成されかつ上壁１１に対して直角に接続されている。また、ねじ３は上壁１１の補強壁１５との接続部から若干離れた位置において空間１６を貫通している。そして、ねじ３はデッキ上面歩行者の負傷の原因とならないように、図３に示すように、デッキ材上面から頭３１が突出しない皿ねじが使用されるため、上壁１１のねじ貫通部分には、ねじ頭嵌合用の倒立頭截円錐形部分１７ａとこれに続くねじ軸貫通用の垂直円形部分１７ｂとを有する孔１７が形成される。 In the conventional deck material, the reinforcing wall 15 is formed vertically and connected to the upper wall 11 at a right angle. Further, the screw 3 penetrates the space 16 at a position slightly away from the connection portion between the upper wall 11 and the reinforcing wall 15. Further, as shown in FIG. 3, since the screw 3 is a countersunk screw having a head 31 that does not protrude from the top surface of the deck material so as not to cause injury to the pedestrian on the deck top surface, Is formed with a hole 17 having an inverted truncated conical portion 17a for screw head fitting and a vertical circular portion 17b for penetrating the screw shaft.

上記ねじ貫通孔の形状によって、図３に示すように、上壁１１のねじ頭を実質的に支持する部分の肉厚が薄くなるため、そのねじ貫通孔の周囲の強度がかなり低下する。そのため、従来は、支持部材２に載せたデッキ材１の上方からねじ３をデッキ材に貫通して支持部材２にねじ込む最終段階において、ねじ貫通孔の周囲に撓みが生じたり、割れが生じたり、最悪の場合は、ねじ頭が上壁１１を打ち抜いたりすることが避けられなかった。撓みが生じた場合は、遅かれ早かれ、ねじ３の頭３１又は軸３２の上端部から受けるストレスによりねじ貫通孔の周囲が割れることになる。割れが生じると、デッキ材の支持部材に対する固着力が不十分になって、デッキ上を人が歩行する際に軋み音を発生したり、外来振動によりビビリ音を発生したりするなどの弊害が起きる。また、ねじの頭が上壁を打ち抜いた場合は、そのねじを抜き取って別の径の大きいねじをねじ込み直す必要があった。 As shown in FIG. 3, the thickness of the portion of the upper wall 11 that substantially supports the screw head becomes thin due to the shape of the screw through hole, so that the strength around the screw through hole is considerably reduced. Therefore, conventionally, in the final stage of screwing the screw 3 through the deck material from above the deck material 1 placed on the support member 2 and screwing it into the support member 2, the screw through-hole is bent or cracked. In the worst case, it is inevitable that the screw head punches the upper wall 11. When bending occurs, the periphery of the screw through hole is cracked sooner or later by stress received from the head 31 of the screw 3 or the upper end of the shaft 32. If cracks occur, the adhesion of the deck material to the support member will be insufficient, and there will be problems such as generating a squeaking noise when a person walks on the deck or generating a chatter sound due to external vibration. Get up. Further, when the head of the screw punches the upper wall, it is necessary to remove the screw and re-screw another large diameter screw.

上記の点に鑑み、図４に一例を示すように、補強壁１５₁，１５₂の上壁１１と接続される部分にねじ３が貫通される空間側に張り出す肉厚増加部分（ハンチ部）１８を形成して、上壁のねじが貫通される部分の肉厚をねじが貫通されない部分の肉厚よりも厚くすることにより、ねじ３が上壁１１を打ち抜いたり、上壁に割れを生じたりする不都合を回避したデッキ材が提案された。 In view of the above points, as shown in an example in FIG. 4, an increased thickness portion (haunch portion) that protrudes to the space side where the screw 3 passes through a portion connected to the upper wall 11 of the reinforcing walls 15 ₁ and 15 _2. ) 18, and the thickness of the portion of the upper wall through which the screw passes is made thicker than the thickness of the portion of the screw not penetrated, so that the screw 3 punches the upper wall 11 or cracks the upper wall. The deck material which avoided the inconvenience which arises was proposed.

ところで、デッキ材の固着作業能率を高めるためには、デッキ材を図５に例示するように、上壁１１及び下壁１２と補強壁１５₁，１５₂の接続される部分にねじ３が貫通される空間側に張り出す肉厚増加部分１８ａ，１８ｂを形成してデッキ材を上下対称形に成形することが、上下左右を選ばずに支持部材に載置して固着できるので好ましい。 By the way, in order to increase the fixing efficiency of the deck material, as shown in FIG. 5, the screw 3 penetrates the portion where the upper wall 11 and the lower wall 12 and the reinforcing walls 15 ₁ and 15 ₂ are connected. It is preferable to form the thickened portions 18a and 18b projecting to the space side so as to form the deck material in a vertically symmetrical shape because it can be placed on and fixed to the support member regardless of whether it is up, down, left, or right.

しかしながら、前記提案に係るデッキ材は、肉厚増加部分が補強壁の上壁と接続される部分をねじが貫通される空間側に斜めに折り曲げ、又は補強壁と上壁とが湾曲面に沿って連続させて形成されているので、上部肉厚増加部分１８ａに貫通したねじの先端が下部肉厚増加部分１８ｂに到達した時に、そのねじの先端が下部肉厚増加部分の傾斜面によって下部肉厚増加部分１８ｂから逸れる方向に案内されてしまい、垂直状態を維持しながら貫通することが困難になり、ねじ込み作業が終わった時には、デッキ材の上面にねじ頭の鋭角部分が起立する事態が発生する恐れがある。 However, in the deck material according to the proposal, the portion where the thickness increase is connected to the upper wall of the reinforcing wall is bent obliquely to the space side through which the screw passes, or the reinforcing wall and the upper wall are along the curved surface. Therefore, when the tip of the screw passing through the upper thickness increasing portion 18a reaches the lower thickness increasing portion 18b, the tip of the screw is lowered by the inclined surface of the lower thickness increasing portion. Guided in a direction deviating from the thickness increasing portion 18b, it becomes difficult to penetrate while maintaining a vertical state, and when the screwing operation is finished, a situation where an acute angle portion of the screw head stands on the upper surface of the deck material occurs. There is a fear.

本発明は、上記の点に鑑みてなされたものであり、その課題は、補強壁の上壁及び下壁と接続される部分にねじが貫通される空間側に張り出す肉厚増加部分を形成した上下対称形のデッキ材において、ねじが確実に垂直状態を維持しながら肉厚増加部分を貫通できるようにすることにある。 The present invention has been made in view of the above points, and the problem is to form an increased thickness portion projecting to the space side through which the screw penetrates the portion connected to the upper wall and the lower wall of the reinforcing wall. An object of the present invention is to enable the screw to pass through the increased thickness portion while maintaining the vertical state of the screw in the vertically symmetrical deck material.

上記課題を解決するため、本発明においては、補強壁の上壁及び下壁と接続される部分にねじが貫通される空間側に張り出す肉厚増加部分を形成した上下対称形のデッキ材において、上下の肉厚増加部分のねじが貫通される空間に臨む面にねじが貫通される線と交差する凹条が押出し成形により形成されていることを特徴としている。 In order to solve the above-mentioned problem, in the present invention, in the vertically symmetrical deck material in which the portion connected to the upper wall and the lower wall of the reinforcing wall is formed with an increased thickness portion protruding to the space side through which the screw passes. The upper and lower thickness-increasing portions of the surface facing the space through which the screw passes are formed with a recess that intersects with the line through which the screw passes, by extrusion molding.

上記構成により、上部肉厚増加部分を貫通して下部肉厚増加部分の傾斜面に到達したねじ先端は凹条に捕捉された状態で下部肉厚増加部分を貫通することができる。上壁及び下壁に予めねじ貫通孔が形成されている場合は、上壁のねじ貫通孔に貫通されたねじの先端が下壁の凹条によって下壁のねじ貫通孔に案内される。従って、ねじは終始垂直状態を維持しながら確実に支持部材に固着されるので、ねじが斜めになってねじの鋭利な頭がデッキ上面に露出することが回避される。そして、ねじ先端が肉厚増加部分の傾斜面を滑ってねじ貫通孔に挿入し難い事態の発生が軽減され、円滑なデッキ材固着作業が可能である。また、上壁のねじ貫通孔の周囲、とくにねじ軸貫通用垂直円形部分の周囲の肉厚が厚いので強度が増加されており、ねじの最終のねじ込み段階でねじ頭から加えられる力はその厚肉部分で受けられ、ねじの上壁打ち抜きや上壁の割れが防止される。 With the above configuration, the screw tip that has penetrated through the upper thickness increasing portion and reached the inclined surface of the lower thickness increasing portion can penetrate the lower thickness increasing portion while being captured by the recess. When the screw through hole is formed in the upper wall and the lower wall in advance, the tip of the screw that has passed through the screw through hole in the upper wall is guided to the screw through hole in the lower wall by the concave strip on the lower wall. Therefore, since the screw is securely fixed to the support member while maintaining the vertical state from beginning to end, it is avoided that the screw is inclined and the sharp head of the screw is exposed on the upper surface of the deck. Further, it is possible to reduce the occurrence of a situation in which it is difficult to insert the screw tip into the screw through hole by sliding on the inclined surface of the thickened portion, and a smooth deck material fixing operation is possible. In addition, the strength is increased because the thickness of the periphery of the screw through hole on the upper wall, especially the vertical circular part for threaded shaft penetration, is increased, and the force applied from the screw head at the final screwing stage of the screw is increased in thickness. It is received by the meat part, and the upper wall punching of the screw and cracking of the upper wall are prevented.

本発明によれば、デッキ材のねじ貫通部分の強度が増加されるのでねじの打ち抜きの不都合が回避されるとともに、上部肉厚増加部分を貫通したねじの先端は下部肉厚増加部分の凹条に案内されて垂直状態を維持しながら下部肉厚増加部分を貫通することができるので、ねじが斜めに貫通されてデッキ材の固着強度が低下したり、ねじの鋭利な頭がデッキ上面に露出したりすることが回避され、デッキ材固着作業効率も格段に向上する。 According to the present invention, since the strength of the screw penetration portion of the deck material is increased, the inconvenience of the punching of the screw is avoided, and the tip of the screw that penetrates the upper thickness increasing portion is the concave portion of the lower thickness increasing portion. It is possible to penetrate the lower wall thickness increasing part while being guided by the screw, so that the screw is penetrated diagonally and the fixing strength of the deck material is reduced, or the sharp head of the screw is exposed on the upper surface of the deck Dodging is avoided, and the deck material fixing work efficiency is remarkably improved.

次に、本発明の実施の形態について、図１を用いて説明する。
図１は本発明によるデッキ材の構造を示す断面図である。先の図面に示された構成部材に対応するものには同一の符号を用いる。 Next, an embodiment of the present invention will be described with reference to FIG.
FIG. 1 is a sectional view showing the structure of a deck material according to the present invention. The same reference numerals are used for components corresponding to those shown in the previous drawings.

図１のデッキ材１Ｅは、アルミニウムなどの金属材料又は木質樹脂材料から押出し成形により長尺に作られており、上壁１１と下壁１２と両側壁１３，１４と、幅方向中間位置において上壁１１と下壁１２を連結する三つの補強壁１５₁，１５₂，１５₃と、各補強壁により区画された、押出し成形方向に直角な断面における面積がほぼ等しい空間１６とを有し、上下対称形である。 The deck material 1E shown in FIG. 1 is made of a metal material such as aluminum or a wood resin material by extrusion molding, and the upper wall 11, the lower wall 12, both side walls 13 and 14, and the upper part at the intermediate position in the width direction. Three reinforcing walls 15 ₁ , 15 ₂ , 15 ₃ connecting the wall 11 and the lower wall 12, and a space 16 defined by each reinforcing wall and having a substantially equal area in a cross section perpendicular to the extrusion direction, It is vertically symmetrical.

本発明に係るデッキ材１Ｅにおいては、上壁１１及び下壁１２と補強壁１５₁，１５₂との接続部分が、図５のものと同様に、デッキ材を支持部材に固着する皿ねじ３が貫通される空間側に斜め又は湾曲状に張り出され（あるいは折曲げられ）て、上壁及び下壁の肉厚を実質的に増加する肉厚増加部分１８ａ，１８ａが形成されている。 In the deck material 1E according to the present invention, the connecting portion between the upper wall 11 and the lower wall 12 and the reinforcing walls 15 ₁ and 15 ₂ has a countersunk screw 3 for fixing the deck material to the support member in the same manner as in FIG. Thickness increasing portions 18a, 18a that substantially increase the thickness of the upper wall and the lower wall are formed so as to be obliquely or curvedly projected (or bent) toward the space side through which the pierced through.

そして、各肉厚増加部分１８ａ，１８ｂの空間に臨む面に、互いに対向する断面Ｖ字形又はＵ字形の凹条１９がデッキ材の押し出し成形時に形成されている。各肉厚増加部分１８ａ，１８ｂには、ねじ３を貫通する部分に予めねじ貫通孔１７が形成されてもよいが、その場合は、ねじ貫通孔１７はねじ軸貫通用の垂直円形部分１７ｂの軸芯が凹条１９の底部を貫通するように形成される。 Then, on the surface facing the space of each of the increased thickness portions 18a, 18b, oppositely crossed V-shaped or U-shaped concave strips 19 are formed when the deck material is extruded. In each of the increased thickness portions 18a and 18b, a screw through-hole 17 may be formed in advance in a portion that penetrates the screw 3. In this case, the screw through-hole 17 is a portion of the vertical circular portion 17b for threaded shaft penetration. The shaft core is formed so as to penetrate the bottom of the concave strip 19.

上記のように、上下の壁１１，１２の補強壁１５₁，１５₂との接続部分に形成された肉厚増加部分１８ａ，１８ｂに互いに対向する凹条１９が形成されているので、又はさらに、その凹条の底部を貫通するようにねじ貫通孔１７が形成されているので、デッキ材１Ｅを支持部材に固着するために上壁１１のねじ貫通孔１７に貫通された皿ねじ３の先端は、図１に鎖線で示すように、下壁１２の肉厚増加部分１８ｂに到達した時にその凹条１９の底部に案内され、捕捉されるため、ねじの先端を容易に下壁１２に、又はねじ貫通孔１７に貫通することができる。従って、デッキ材固着作業能率を著しく向上させることができる。また、ねじが斜めに貫通することが防止されるので、デッキ材の支持部材に対する固着強度の低下という不都合が回避され、皿ねじの鋭利な頭がデッキ上面に突出することもなく、デッキ上面の安全性が高まる。 As described above, the concave strips 19 facing each other are formed in the thickness increasing portions 18a and 18b formed in the connecting portions of the upper and lower walls 11 and 12 with the reinforcing walls 15 ₁ and 15 ₂ , or further Since the screw through-hole 17 is formed so as to penetrate the bottom of the recess, the tip of the countersunk screw 3 penetrated through the screw through-hole 17 of the upper wall 11 in order to fix the deck material 1E to the support member. 1 is guided and captured by the bottom of the recess 19 when it reaches the increased thickness portion 18b of the lower wall 12, as indicated by a chain line in FIG. Or it can penetrate the screw through-hole 17. Therefore, the deck material fixing work efficiency can be remarkably improved. Further, since the screws are prevented from penetrating diagonally, the problem of a decrease in the fixing strength of the deck material to the support member is avoided, and the sharp head of the countersunk screw does not protrude from the top surface of the deck. Increased safety.

なお、上壁１１及び下壁１２と補強壁１５₁，１５₂との接続部分が皿ねじ３が貫通される空間側に斜めに又は湾曲状に張り出されあるいは折曲げられて、肉厚増加部分が形成されているので、又は、さらにその肉厚増加部分にねじ貫通孔１７が形成されているので、ねじ軸貫通用の垂直円形部分１７ｂの周囲が従来のデッキ材の場合よりも十分に大きい肉厚を有する。従って、支持部材に載せたデッキ材１のねじ貫通孔１７に皿ねじ３を貫通し支持部材にねじ込む際に、そのねじの頭３１が倒立頭截円錐形部分１７ａにぴったりと嵌合するように最終段階のねじ込みをする時にねじ頭３１からねじ貫通孔の周囲に加わる力が肉厚増加部分で受け止められる。従って、ねじ貫通孔の周囲に撓みや割れが生じたり、ねじ頭が打ち抜くことがない。 The connecting portion between the upper wall 11 and the lower wall 12 and the reinforcing walls 15 ₁ and 15 ₂ is obliquely or curvedly bent or bent toward the space through which the countersunk screw 3 penetrates, thereby increasing the wall thickness. Since the portion is formed, or the screw through hole 17 is further formed in the increased thickness portion, the periphery of the vertical circular portion 17b for threaded shaft penetration is more sufficiently than in the case of the conventional deck material. Has a large wall thickness. Therefore, when the countersunk screw 3 is passed through the screw through hole 17 of the deck material 1 placed on the support member and screwed into the support member, the head 31 of the screw fits closely to the inverted head-cone portion 17a. The force applied from the screw head 31 to the periphery of the screw through hole when screwing in the final stage is received at the portion where the thickness is increased. Therefore, no bending or cracking occurs around the screw through-hole, and the screw head is not punched out.

デッキ材１Ｅは、その幅寸法が比較的小さくて、支持部材に対する固着強度が確保されるならば、上下の壁１１，１２に厚肉増加部分１８ａ，１８ｂを形成する補強壁を、図１における幅方向中心に一つのみ設けた構造とすることもできる。 If the deck member 1E has a relatively small width dimension and can secure the fixing strength to the support member, the reinforcing wall for forming the thickened portions 18a and 18b on the upper and lower walls 11 and 12 is formed as shown in FIG. It is also possible to adopt a structure in which only one is provided at the center in the width direction.

上述した本発明のデッキ材は、各種建築物の床部を構成する際に用いることが可能である。 The above-described deck material of the present invention can be used when configuring floors of various buildings.

本発明の一実施形態におけるデッキ材の形状を示す断面図。Sectional drawing which shows the shape of the deck material in one Embodiment of this invention. 従来のデッキ材の構成を示す一部の断面図。FIG. 6 is a partial cross-sectional view showing a configuration of a conventional deck material. 図２の一部の拡大図。FIG. 3 is an enlarged view of a part of FIG. 2. 従来のデッキ材の難点を解消するために提案されたデッキ材の一部の断面図。Sectional drawing of a part of deck material proposed in order to eliminate the difficulty of the conventional deck material. 上記提案されたデッキ材を上下対称形に形成する場合の一例を示す断面図。Sectional drawing which shows an example in the case of forming the said proposed deck material in a vertically symmetrical form.

Explanation of symbols

１Ｅデッキ材
２支持部材
３皿ねじ
１１上壁
１２下壁
１３．１４側壁
１５（１５₁，１５₂，１５₃）補強壁
１７ねじ貫通孔
１８ａ，１８ｂ肉厚増加部分
１９凹条 1E Deck material 2 Support member 3 Countersunk screw 11 Upper wall 12 Lower wall 13.14 Side wall 15 (15 ₁ , 15 ₂ , 15 ₃ ) Reinforcing wall 17 Screw through hole 18a, 18b Thickened portion 19 Concave

Claims

In the vertically symmetrical deck material in which the increased thickness portion projecting to the space side through which the screw penetrates is formed in the portion connected to the upper wall and the lower wall of the reinforcing wall, the screws in the upper and lower thickness increased portions are penetrated. A deck material characterized in that a concave line intersecting a line through which a screw penetrates is formed by extrusion molding on a surface facing a space.