JPS603887Y2 - mortar base plate - Google Patents

Description

【考案の詳細な説明】 本考案は、剛性と弾性を有する硬質基板にモルタル壁材
付着用の係止片を基板自体の一部を切断、折り曲げし、
かつ少なくともその両端縁に設けた係止片が嵌合しうる
構造にして下地板の連結部におけるモルタル壁の亀裂を
抑制したモルタル下地板に関する。[Detailed description of the invention] This invention involves cutting and bending a part of the board itself to attach a retaining piece for attaching mortar wall material to a hard board having rigidity and elasticity.
The present invention also relates to a mortar base plate having a structure in which locking pieces provided at least on both edges thereof can be fitted to suppress cracks in the mortar wall at the connecting portion of the base plate.

一般にモルタル壁は、施工後に壁材の収縮（乾燥）によ
り亀裂（クラック）が生じ、外観をひどく損ねるもので
ある。Generally, in mortar walls, cracks occur due to shrinkage (drying) of the wall material after construction, which seriously impairs the appearance.

そして、この亀裂には、下地構造の変形、振動による場
合と、モルタル壁材自体の乾燥時の収縮により生起する
のが殆んどであった。Most of these cracks were caused by deformation or vibration of the underlying structure, or by shrinkage of the mortar wall material itself during drying.

特にモルタル下地板を用いた際は、その連結部分、所謂
目地部分が下地構造として他と異−なるためモルタル壁
にクラックが生ずる最大の弱点部位となっていた。Particularly when a mortar base plate is used, the connecting portions, so-called joint portions, have a different base structure from the rest, and are therefore the weakest point where cracks can occur in the mortar wall.

またモルタル壁においては、下地が剛性であり構造材的
機能を発揮する反面、モルタル壁材の硬化の際の収縮が
長期に亘って徐々に進行し、亀裂の発生を抑制する補強
材あるいは、隔離部材が存在するような下地構造が望ま
れていた。In addition, in mortar walls, although the base is rigid and functions as a structural material, shrinkage gradually progresses over a long period of time as the mortar wall material hardens, and reinforcing materials or isolation materials to suppress the occurrence of cracks are used. A base structure in which members exist was desired.

本考案はこのような要請に答えるものであり、補強材と
剛性下地材と断熱材と弾性とでモルタル壁の収縮を抑制
する係止片とを備え、しかも下地板同志の連結部に嵌合
構造を形成し、目地部におけるモルタル壁の亀裂抑制を
改善したモルタル下地板を提案する。The present invention is in response to these demands, and includes a reinforcing material, a rigid base material, a heat insulating material, and an elastic locking piece that suppresses the shrinkage of the mortar wall, and also has a locking piece that fits into the joint between the base plates. We propose a mortar base plate that forms a structure and improves the suppression of cracks in mortar walls at joints.

以下に図面を用いて、本考案に係るモルタル下地板（以
下、単に下地板という）について詳細に説明する。The mortar base plate (hereinafter simply referred to as base plate) according to the present invention will be described in detail below with reference to the drawings.

第１図は、下記下地板を示す斜視図である。FIG. 1 is a perspective view showing the base plate described below.

図において、１は硬質基板（以下、単に基板という）で
金属薄板、合成樹脂板等の剛性の高い鉄筋（ラス材）機
能と下地板間の目地部の補強を行なうものである。In the figure, reference numeral 1 denotes a hard substrate (hereinafter simply referred to as a substrate) which serves as a highly rigid reinforcing bar (lath material) such as a thin metal plate or synthetic resin plate and reinforces the joint between base plates.

さらに説明すると、基板１は長尺状の板体で、かつ、後
記する断熱板の表面より大きい面積に形成したものであ
り、しかも基板１の表面１ａには雌型用係止片２と雄型
用係止片３とを側端縁と平行に多数個、基板１自体の一
部を切り込み、折り曲げて形成する。To explain further, the board 1 is a long plate and is formed to have a larger area than the surface of a heat insulating board to be described later, and the surface 1a of the board 1 has a female locking piece 2 and a male mold. A large number of mold locking pieces 3 are formed by cutting and bending a part of the substrate 1 itself parallel to the side edges.

特に、雌型用係止片２は基板１が断面板より突出した部
分、所謂重合片１ｂから他側端部の近傍までの領域に基
板１の側縁と平行に形成したものである。In particular, the female locking piece 2 is formed parallel to the side edge of the substrate 1 in a region of the substrate 1 that protrudes from the cross-sectional plate, that is, from the so-called overlapping piece 1b to the vicinity of the other end.

また、雄型係止片３は基板１の重合片１ｂと対向する他
端部に側縁と平行に一列に、しかも前記雌型用係止片２
と対応する位置に山状に形成したものである。Further, the male locking pieces 3 are arranged in a row parallel to the side edge at the other end of the substrate 1 facing the overlapping piece 1b, and the female locking pieces 3
It is formed in the shape of a mountain at the position corresponding to .

さらに、雌型用係止片２は第２図ａ〜ｅに示すような断
面に所謂基板１の表面１ａから末広がり状に開いた形状
で、基盤の目、あるいは千鳥状に同一ピッチで形成した
ものであり、高さＨはモルタル壁の厚さに対応して設定
し、かつ、基板１を切り込んだ際に生ずる透孔２ａの直
径りは雄型用係止片３の外径ΔＤと同じ位の寸法である
。Furthermore, the female mold locking pieces 2 have a cross section as shown in FIGS. 2a to 2e, and have a shape that opens outward from the surface 1a of the substrate 1, and are formed at the same pitch in the pattern of the substrate or in a zigzag pattern. The height H is set according to the thickness of the mortar wall, and the diameter of the through hole 2a created when the substrate 1 is cut is the same as the outer diameter ΔD of the male mold locking piece 3. The dimensions are as follows.

ここで前記した雌型用係止片２、雄型用係止片３につい
て詳説すると、すなわち第２図においてａ図は根元から
先端２ｂに向って曲線状に拡げた断面の雌型用係止片、
ｂ図は雌型用係止片２を基板１の平面に対し、垂直に形
成し、その先端２ｂのみを折り曲げてほぼフック状に形
成した断面の雌型用係止片、Ｃ図はｂ図に示す雌型用係
止片と同じ形状であるが、先端２ｂを基板１と水平に折
り曲げた断面の雌型用係止片、ｄ図は雌型用係止片を直
線状で傾斜（θ□）に折り曲げた断面の雌型用係止片、
ｅ図はｄ図において示す雌型用係止片２の先端２ｂを角
度θ２で折り曲げた断面の雌型用係止片を示す。Here, the above-mentioned locking piece 2 for female mold and locking piece 3 for male mold will be explained in detail. In FIG. piece,
Figure b shows a female mold locking piece 2 formed perpendicularly to the plane of the substrate 1, with only its tip 2b bent to form an almost hook shape, and Figure C shows a female mold locking piece in section b. The female mold locking piece has the same shape as the female mold locking piece shown in , but the cross section of the female mold locking piece is bent with the tip 2b parallel to the substrate 1. Figure d shows the female mold locking piece in a straight line with an inclined angle (θ □) Female type locking piece with a cross section bent to
Figure e shows a cross-section of the female locking piece 2 shown in figure d, with the tip 2b bent at an angle θ2.

また第３図は、雄型用係止片３の一例を示す縦断面図で
あり、先細断面に形成した雄型用係止片３である。Moreover, FIG. 3 is a longitudinal cross-sectional view showing an example of the male-type locking piece 3, and the male-type locking piece 3 is formed in a tapered cross section.

なお、口径はΔＤ≧Ｄ１高さはΔＨ≧Ｈに設定し、下地
板の連結を容易にする。Note that the diameter is set to ΔD≧D1 and the height is set to ΔH≧H to facilitate connection of the base plate.

また基板１の端縁における雌型用、雄型用係止片２，３
はピッチがΔＰ＝ΔＰ□の位置に形成したものである。Also, locking pieces 2 and 3 for female and male molds on the edge of the board 1
is formed at a position where the pitch is ΔP=ΔP□.

勿論、下記する断熱板の幅１と基板１の幅１１、重合部
１ｂの幅１２とは相対的に定まるものであり、少なくと
も重合部１ｂには一列の雌型用係止片２が存在するもの
である。Of course, the width 1 of the heat insulating plate, the width 11 of the substrate 1, and the width 12 of the overlapping part 1b described below are determined relative to each other, and at least a row of locking pieces 2 for female molds are present in the overlapping part 1b. It is something.

４は断熱板で硬質、半硬質、軟質の１素材からなり、基
板１の背面に現場発泡方式あるいは、成形体を接着剤を
介して一体化する。Reference numeral 4 denotes a heat insulating board, which is made of one of hard, semi-hard, and soft materials, and is integrated with the back surface of the substrate 1 by foaming in place or by forming a molded body through an adhesive.

具体的には石膏ボード、ロックウール、アスベスト、シ
ージングインシュレーションボード、ポリウレタンフォ
ーム、フェノールフオーム、ポリイソシアヌレートフオ
ーム、ポリスチレンフオーム等である。Specifically, these include gypsum board, rock wool, asbestos, sheathing insulation board, polyurethane foam, phenol foam, polyisocyanurate foam, polystyrene foam, and the like.

またこの断熱板４は厚さｈが１０〜５０ＴｆｒＩｎ１長
さＬは基板１と同じか短く、幅１は基板１より１゜だけ
短く形成したものである。The heat insulating plate 4 has a thickness h of 10 to 50 TfrIn, a length L that is the same as or shorter than the substrate 1, and a width 1 that is 1° shorter than the substrate 1.

以上、説明したのは、本考案の一実施例にすぎず、第１
図において二点鎖線で示すように防水シート５、例えば
アスファルトフェルト、合成樹脂シート、アルミニウム
箔を設けたり、断熱板４の中にパーライト粒、シラスバ
ルーン、硼、硅酸塩等の一種以上を添加することもでき
る。What has been described above is only one embodiment of the present invention, and the first embodiment
As shown by the two-dot chain line in the figure, a waterproof sheet 5, such as asphalt felt, a synthetic resin sheet, or aluminum foil, is provided, or one or more of pearlite grains, shirasu balloons, boron, silicates, etc. are added to the heat insulating board 4. You can also.

次に、施工例につき簡単に説明する。Next, a construction example will be briefly explained.

第４図は上記下地板を用いて、モルタル壁を形成した際
の一部を抽出し、拡大して示す縦断面図であり、６はモ
ルタル壁、７は胴縁、８は取付金具、９は固着具である
。FIG. 4 is an enlarged vertical cross-sectional view of a part of a mortar wall formed using the base plate, in which 6 is a mortar wall, 7 is a rim, 8 is a mounting bracket, and 9 is an anchor.

まず下地板Ｘ１．Ｘ２として０．３ｗｎのカラー鉄板を
基材とし、雌型用係止片２は第２図ａに示す形状、雄型
用係止片３は第３図に示す形状としたものである。First, base plate X1. A colored iron plate of 0.3wn was used as the base material for X2, and the locking piece 2 for the female mold had the shape shown in FIG. 2a, and the locking piece 3 for the male mold had the shape shown in FIG. 3.

なお、各部の寸法はｌ ＝ ３００ｍｍ、 ｌ□＝ ３
１０ｍｍ、 ｌ□＝２０ｍｍ、１３＝１０ｍｍ、Ｐ＝２
０ｍｍ、ΔＰ＝１０ｍｍ、 ｈ＝１０ｍｍとし、Ｈ＝
ΔＨ＝５藺、Ｄ＝ΔＤ＝１ｏｒｒａｎとした。In addition, the dimensions of each part are l = 300mm, l□ = 3
10mm, l□=20mm, 13=10mm, P=2
0mm, ΔP=10mm, h=10mm, H=
ΔH=5 and D=ΔD=1 orran.

なお断熱板４としては、嵩密度４０に９／ｍのポリウレ
タンフォーム、防水シート５としては１８ｋｇ／−のア
スファルトフェルトを用い、これら構成材をポリウレタ
ンフォーム原料の現場発泡方式製造法により一体に形成
した。The heat insulating board 4 was made of polyurethane foam with a bulk density of 40 to 9/m, and the waterproof sheet 5 was made of asphalt felt of 18 kg/-, and these constituent materials were integrally formed using an on-site foaming manufacturing method using polyurethane foam raw materials. .

そこで、胴縁７上に下地板Ｘ１．Ｘ２を第４図に示すよ
うに敷設、嵌合し、その上に取付金具８を雌型用係止片
、雄型用係止片２，３が嵌合した部分に配設し、その上
から釘９を図のように打設し、下地板間を連結する。Therefore, base plate X1. X2 is laid and fitted as shown in Fig. 4, and the mounting bracket 8 is arranged on the part where the female mold locking piece and the male mold locking piece 2 and 3 are fitted, and then Drive nails 9 as shown in the figure to connect the base boards.

次に、この状態下でモルタル壁材を付着せしめ、養生し
てモルタル壁６を形成した。Next, a mortar wall material was attached under this condition and cured to form a mortar wall 6.

このモルタル壁は、モルタル壁材と下地板の密着力が８
ｋｏ／ａＩ！であり、水平剪断耐力試験で荷重的１００
ｋｏで１／２０であった。This mortar wall has an adhesion strength of 8 between the mortar wall material and the base plate.
ko/aI! 100% in the horizontal shear strength test
Ko was 1/20.

また剥落が見られずヘアクラックも僅少であり、吸音性
および遮音性にすぐれたモルタル壁体であった。Furthermore, there was no peeling and only a few hair cracks, indicating that the mortar wall had excellent sound absorption and insulation properties.

上述したように、本考案に係るモルタル下地板によれば
、モルタル壁材の収縮を雌型用係止片、雄型用係止片の
弾性により抑制し、亀裂の発生を大幅に低減した特徴が
ある。As mentioned above, the mortar base plate according to the present invention suppresses shrinkage of the mortar wall material by the elasticity of the female locking piece and the male locking piece, and significantly reduces the occurrence of cracks. There is.

また、下地板連結部には嵌合構造の雌型用係止片、雄型
用係止片を設け、モルタル壁の最大弱点部分の目地部に
生じる亀裂を阻止した特徴がある。In addition, the base plate connecting portion is provided with a locking piece for the female mold and a locking piece for the male mold of a fitting structure, which prevents cracks from occurring at the joint portion of the weakest part of the mortar wall.

さらにモルタル壁材と雌型用係止片、雄型用係止片の密
着が強力なため、モルタル壁の剥落もない特徴がある。Furthermore, since the mortar wall material and the locking pieces for the female mold and the locking piece for the male mold have strong adhesion, the mortar wall does not come off.

また下地板は剛性があるため、構造材としても機能し、
モルタル壁の亀裂防止に有効に作用する利点がある。In addition, because the base plate is rigid, it also functions as a structural material.
It has the advantage of effectively preventing cracks in mortar walls.

さらに下地板は、製造容易で経済性にすぐれ、その上施
工容易である特徴がある。Furthermore, the base plate is characterized by being easy to manufacture, highly economical, and easy to construct.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係るモルタル下地板の−実施例を示す
斜視図、第２図ａ ” ｅおよび第３図は本考案に係る
モルタル下地板の要部である係止片の一例を示す縦断面
図、第４図は上記下地板を用いてモルタル壁を形成した
際のモルタル壁を一部抽出して示す説明図である。 １・・・・・・基板、２，３・・・・・・雌型用、片、
４・・・・・・断熱板。 雄型用係止Fig. 1 is a perspective view showing an embodiment of the mortar base plate according to the present invention, Figs. 2 a `` e and 3 show an example of a locking piece which is a main part of the mortar base plate according to the present invention. The vertical cross-sectional view and FIG. 4 are explanatory diagrams showing a portion of the mortar wall extracted when the mortar wall is formed using the base plate. 1...Substrate, 2, 3... ...For female type, piece,
4...Insulation board. Locking for male type

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 長尺板状の断熱板上に該断熱板の表面の面積より大きい
硬質基板の一側端縁を上記断熱板の一側端縁と合致せし
めて一体に積層し、他側端縁を重合片としたモルタル下
地板において、前記重合片、および他側端近傍に亘る表
面に側端と平行に硬質基板の表面から末広がり状に開い
た雌型用係止片を多数個、硬質基板自体の一部を切り込
み、折り曲げにより形成し、また硬質基板の重合片と相
対する側端部に前記重合部に形成した雌型用係止片に嵌
挿しうる山状に突出した雄型係止片を側端縁と平行に、
かつ、前記重合片に形成した雌型係止片と対応する位置
に形成したことを特徴とするモルタル下地板。One side edge of a hard substrate larger than the surface area of the heat insulation board is aligned with the one side edge of the heat insulation board on a long heat insulation board, and is laminated integrally, and the other side edge is laminated with an overlapping piece. In the mortar base plate, a large number of locking pieces for female molds are formed on the surface of the polymerized piece and near the other side edge, and are spread out from the surface of the hard base plate in parallel with the side edge, and one part of the hard base plate itself. At the side end facing the overlapping piece of the hard substrate, a male locking piece protruding into a mountain shape that can be fitted into the female locking piece formed at the overlapping part is attached to the side. parallel to the edge,
A mortar base plate characterized in that the mortar base plate is formed at a position corresponding to the female locking piece formed on the overlapping piece.