JP2005273241A - Anchor and its construction method - Google Patents

Anchor and its construction method Download PDF

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JP2005273241A
JP2005273241A JP2004086552A JP2004086552A JP2005273241A JP 2005273241 A JP2005273241 A JP 2005273241A JP 2004086552 A JP2004086552 A JP 2004086552A JP 2004086552 A JP2004086552 A JP 2004086552A JP 2005273241 A JP2005273241 A JP 2005273241A
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anchor
end side
distal end
insertion hole
hole
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Shigeru Hata
茂 畑
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NIPPON PROJECT KK
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NIPPON PROJECT KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an anchor having a simple structure and high construction efficiency, and its construction method. <P>SOLUTION: In the anchor, an anchor body 1 has an insertion hole 5 for inserting a deformed bar 10 and a slit 4 for widening a front end 2 of the insertion hole 5 by the insertion of the deformed bar 10. The insertion hole 5 of the anchor body 1 is formed to have an inner diameter d2 of the front end 3 smaller than an inner diameter d1 of a base end 2. The front end part of the insertion hole 5 of the anchor body 1 is widened by driving the deformed bar 10 into the front end part in a state that the anchor is inserted into a hole formed in a structural wall. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明はコンクリート壁（天井壁、側壁、床壁その他）等に固定されて各種設備を取付けるアンカーとその施工方法に関するものである。   The present invention relates to an anchor that is fixed to a concrete wall (ceiling wall, side wall, floor wall, etc.), etc., and attaches various facilities, and a construction method thereof.

図５は従来のアンカーと特殊異形筋との関係を示す斜視図、図６に天井壁に従来のアンカーを特殊異形筋とともに装着する手順を示す説明図である。   FIG. 5 is a perspective view showing the relationship between the conventional anchor and the special deformed muscle, and FIG. 6 is an explanatory diagram showing a procedure for mounting the conventional anchor together with the special deformed muscle on the ceiling wall.

コンクリート建築物の天井壁等に後施工されるアンカーには種々のものがあり、例えば特許文献１のように、コンクリート壁の穴内で楔体を用いてアンカーの先端が拡開されることでそのアンカーが固定されるものが公知である。ここで、異形筋をアンカーに取り付けるとすると、その異形筋の先端を加工して上記楔体を形成した特殊なものが使用されることになる。   There are various types of anchors to be post-installed on the ceiling wall of a concrete building. For example, as in Patent Document 1, the tip of the anchor is expanded using a wedge body in a hole in a concrete wall. The one to which the anchor is fixed is known. Here, if the deformed muscle is attached to the anchor, a special one in which the wedge body is formed by processing the tip of the deformed muscle is used.

そのようなアンカーは、図５に示すように、スリーブ状のアンカー本体５１の先端側５２に十字割のスリット５４が形成されている。そして、アンカー本体５１の軸心に沿って異形筋６０を挿通するための挿通孔５５が設けられている。異形筋６０は、楔部６１とストレート部６２とからなっており、アンカー本体５１の挿入孔５５は、この異形筋６０のストレート部６２の外径よりも大きく、かつ楔部６１の最大径よりも小さい内径（一定）を有している。   As shown in FIG. 5, such an anchor has a cross-shaped slit 54 formed on the distal end side 52 of a sleeve-like anchor main body 51. An insertion hole 55 for inserting the deformed muscle 60 along the axis of the anchor main body 51 is provided. The deformed muscle 60 includes a wedge portion 61 and a straight portion 62, and the insertion hole 55 of the anchor main body 51 is larger than the outer diameter of the straight portion 62 of the deformed muscle 60 and larger than the maximum diameter of the wedge portion 61. Also have a small inner diameter (constant).

そして、図６（ａ）に示すように、アンカー本体５１の先端側５２から異形筋６０が挿入されてその楔部６１がアンカー本体５１の挿通孔５５の中間にある状態でアンカー全体が天井壁（コンクリートスラブ）Ａの穴Ａ１内に挿入される。この状態で、長尺スリーブ状の打ち込み具７０によりアンカー本体５１が穴奥側に打ち込まれることで楔部６１が先端側５２に圧入される。   6A, the deformed muscle 60 is inserted from the distal end side 52 of the anchor main body 51, and the wedge portion 61 is in the middle of the insertion hole 55 of the anchor main body 51. (Concrete slab) It is inserted into the hole A1 of A. In this state, the anchor body 51 is driven into the hole depth side by the long sleeve-shaped driving tool 70, so that the wedge portion 61 is press-fitted into the distal end side 52.

これにより、図６（ｂ）に示すように、穴Ａ１内でアンカー本体５１の先端側５２が拡開して穴周壁に食い込み、異形筋６０のストレート部６２がアンカー本体５１を介して天井壁Ａに吊下状態で固定される。なお、先端側５２には、その外周が穴周壁に食い込みやすいように浅溝加工等が施されている。
特開２００２−３０３３１２号公報 6B, the distal end side 52 of the anchor main body 51 expands in the hole A1 and bites into the peripheral wall of the hole, and the straight portion 62 of the deformed muscle 60 passes through the anchor main body 51 to the ceiling wall. It is fixed to A in a suspended state. The tip side 52 is subjected to shallow groove processing or the like so that the outer periphery thereof easily bites into the hole peripheral wall.
JP 2002-303131 A

ところが、上記打ち込み具７０によるアンカー本体５１の打ち込み作業は、暗くて足場が悪い現場で、しかも高い位置にある小さなアンカーに対して上向きで行わなければならないため、元々厄介であった。すなわち、異形筋６０とは、別個に用意しておいたスリーブ状の打ち込み具７０を手で支持しながら、その下端からハンマー等で打ち込む作業が面倒であり、この作業を多数のアンカーについて行わなければならないことで施工能率が大きく低下するという問題があった。   However, the driving operation of the anchor main body 51 by the driving tool 70 is originally troublesome because it must be performed in a dark place where the scaffolding is poor and upward with respect to a small anchor at a high position. In other words, the deformed muscle 60 is troublesome to drive a sleeve-like driving tool 70 prepared separately by hand, while driving with a hammer or the like from its lower end, and this operation must be performed for a large number of anchors. There was a problem that construction efficiency was greatly reduced by having to.

また、上記異形筋６０はストレート部６２の先端に楔部６１を有するように加工した特殊な形状のものであり、さらに、この特殊な異形筋とストレート部のみからなる通常な異形筋との混在作業による作業効率の低下を回避するためにも、その通常の異形筋だけを使用したいとの要請があった。   Further, the deformed muscle 60 has a special shape which is processed so as to have a wedge portion 61 at the tip of the straight portion 62. Further, the special deformed muscle and a normal deformed muscle composed of only the straight portion are mixed. In order to avoid a decrease in work efficiency due to work, there was a request to use only the normal deformed muscle.

そこで本発明は、通常の異形筋を使用して施工能率を向上させることのできるアンカーとその施工方法とを提供するものである。   Then, this invention provides the anchor which can improve construction efficiency using a normal deformed muscle, and its construction method.

請求項１記載の発明は、アンカー本体に、棒状部材を挿通させるための挿通孔と、この棒状部材の挿通により挿通孔の先端側を拡開させるスリットとを設けたアンカーであって、アンカー本体の挿通孔は、先端側の内径が基端側の内径より小さくなるように形成されていることを特徴とするものである。   The invention according to claim 1 is an anchor in which an anchor body is provided with an insertion hole for inserting a rod-shaped member and a slit for expanding the distal end side of the insertion hole by insertion of the rod-shaped member. The insertion hole is formed such that the inner diameter on the distal end side is smaller than the inner diameter on the proximal end side.

請求項２記載の発明のように、アンカー本体の挿通孔は、基端側から先端側にかけて先絞りとなるテーパ形状に形成されていることとしてもよい。   As in the second aspect of the present invention, the insertion hole of the anchor main body may be formed in a taper shape that becomes a front stop from the proximal end side to the distal end side.

請求項３記載の発明のように、アンカー本体の挿通孔は、基端側と先端側とで段違いに形成されていることとしてもよい。   As in the invention described in claim 3, the insertion hole of the anchor main body may be formed in a step difference between the proximal end side and the distal end side.

請求項４記載の発明は、アンカー本体に、棒状部材を挿通させるための挿通孔と、この棒状部材の挿通により挿通孔の先端側を拡開させるスリットとを設けてなるアンカーを構造壁に固定するアンカーの施工方法であって、請求項１〜３のいずれか１項に記載のアンカーを構造壁の穴内に挿入した状態で、アンカー本体の挿通孔の先端側部分に棒状部材を叩き込んで該先端側部分を拡開させることを特徴とするものである。   According to a fourth aspect of the present invention, an anchor having an anchor body provided with an insertion hole for inserting a rod-like member and a slit for expanding the distal end side of the insertion hole by insertion of the rod-like member is fixed to a structural wall. An anchor construction method to be performed, in a state where the anchor according to any one of claims 1 to 3 is inserted into a hole in a structural wall, and a rod-shaped member is struck into a distal end portion of an insertion hole of the anchor body. The distal end side portion is expanded.

上記請求項１，４記載の発明によれば、アンカーの本体の挿通孔は、先端側の内径が基端側の内径より小さくなるように形成されており、このアンカーを構造壁の穴内に挿入した状態で、アンカー本体の挿通孔の先端側部分に棒状部材を叩き込んで該先端側部分を拡開させることができる。このため、従来のように、スリーブ状の打ち込み具を別途用意することなく、棒状部材をアンカー本体に直接打ち込むことができるので、その打ち込み作業が容易となり、施工能率を向上させることができる。   According to the first and fourth aspects of the present invention, the insertion hole of the anchor main body is formed so that the inner diameter on the distal end side is smaller than the inner diameter on the proximal end side, and the anchor is inserted into the hole in the structural wall. In this state, it is possible to widen the distal end portion by hitting a rod-like member into the distal end portion of the insertion hole of the anchor body. For this reason, since a rod-shaped member can be directly driven into the anchor main body without separately preparing a sleeve-like driving tool as in the prior art, the driving operation is facilitated, and the construction efficiency can be improved.

また、棒状部材としては、異形筋の先端加工をしなくてもよい、ストレート部のみからなる安価な異形筋等だけを使用することができるとともに、種類の異なる異形筋等の使用による混在作業がなくなり、この点でも施工効率を向上させることができる。   In addition, as a rod-shaped member, it is possible to use only an inexpensive deformed muscle consisting of only a straight portion, which does not require processing of the deformed muscle tip, and mixed work by using different types of deformed muscles, etc. In this respect, the construction efficiency can be improved.

請求項２記載の発明によれば、アンカー本体の挿通孔は、基端側から先端側にかけて先絞りとなるテーパ形状に形成されているので、その構成が簡単なもので済む。   According to the second aspect of the present invention, the insertion hole of the anchor main body is formed in a tapered shape that becomes a front stop from the proximal end side to the distal end side.

請求項３記載の発明によれば、アンカー本体の挿通孔は、基端側と先端側とで段違いに形成されているので、その構成がより簡単なものとなる。   According to the invention described in claim 3, since the insertion hole of the anchor main body is formed in a step difference between the proximal end side and the distal end side, the configuration becomes simpler.

図１は本発明の一実施形態にかかるアンカーの全体構成図であって、（ａ）は上側からみた平面図、（ｂ）は正面側からみた断面図、（ｃ）は下側からみた平面図である。図２はその変形例にかかるアンカーの正面側からみた断面図である。   FIG. 1 is an overall configuration diagram of an anchor according to an embodiment of the present invention, where (a) is a plan view seen from the upper side, (b) is a cross-sectional view seen from the front side, and (c) is a plan view seen from the lower side. FIG. FIG. 2 is a cross-sectional view of the anchor according to the modification as seen from the front side.

本実施形態にかかるアンカーでは、図１に示すように、例えば円筒状のアンカー本体１の先端側２に十字割のスリット４が形成されており、基端側３に鍔状部分が形成されている。そして、アンカー本体１の軸心に沿って異形筋１０を挿通するための挿通孔５が設けられている。   In the anchor according to this embodiment, as shown in FIG. 1, for example, a cross-shaped slit 4 is formed on the distal end side 2 of a cylindrical anchor body 1, and a hook-shaped portion is formed on the proximal end side 3. Yes. An insertion hole 5 for inserting the deformed muscle 10 along the axis of the anchor body 1 is provided.

この挿通孔５の基端側３の内径ｄ２は、異形筋１０の外径ｄ０よりも大きく、先端側２の内径ｄ１は異形筋１０の外形ｄ０よりも小さくなっている。異形筋１０は例えば金属製のものであって、その形状は、従来例におけるような楔部を有さず、ストレート部のみからなる通常のものである。ここでは、挿通孔５はアンカー本体１の基端側３から先端側２に向かって先絞りとなるテーパ形状に形成されている。すなわち、異形筋１０の外径をｄ０、貫通孔５の先端側２の内径をｄ１、基端側３の内径をｄ２とすると、ｄ１<ｄ０<ｄ２の関係となっている。   The inner diameter d2 of the proximal end 3 of the insertion hole 5 is larger than the outer diameter d0 of the deformed muscle 10, and the inner diameter d1 of the distal end 2 is smaller than the outer diameter d0 of the deformed muscle 10. The deformed muscle 10 is made of, for example, a metal, and the shape thereof is a normal one that does not have a wedge portion as in the conventional example, and consists only of a straight portion. Here, the insertion hole 5 is formed in a taper shape that becomes a tapered end from the proximal end side 3 to the distal end side 2 of the anchor body 1. That is, when the outer diameter of the deformed muscle 10 is d0, the inner diameter of the distal end side 2 of the through-hole 5 is d1, and the inner diameter of the proximal end side 3 is d2, the relationship is d1 <d0 <d2.

したがって、異形筋１０をアンカー本体１の基端側３からその挿通孔５に緩く挿入した状態では、同図中の二点鎖線で示すように、異形筋１０の先端は挿通孔５の中間位置付近に止まることになる。   Therefore, when the deformed muscle 10 is loosely inserted into the insertion hole 5 from the proximal side 3 of the anchor body 1, the distal end of the deformed muscle 10 is positioned at an intermediate position of the insertion hole 5 as indicated by a two-dot chain line in FIG. It will stop nearby.

ただし、図２に示すアンカーのように、上記挿通孔５はアンカー本体１ａの基端側３と先端側２とで段違い（５ａ，５ｂ）に形成してもよく、その場合には、同図中の二点鎖線で示すように、異形筋１０の先端は段違い部分に止まることになる。この段違い部分には適当なアールをつけておくのが好ましい。   However, like the anchor shown in FIG. 2, the insertion hole 5 may be formed in a step difference (5a, 5b) between the proximal end side 3 and the distal end side 2 of the anchor main body 1a. As indicated by the two-dot chain line in the middle, the tip of the deformed muscle 10 stops at a stepped portion. It is preferable to attach an appropriate radius to this stepped portion.

なお、図１，２では、アンカー本体１，１ａの外周面が後述する天井壁の穴周壁へ食い込みやすくするために、いずれも先端側２の外周面に浅溝加工を施しているが、代わりにローレット加工を施すこととしてもよいし、大きな吊り荷重のかかる天井用アンカー以外のアンカーでは外周面を全く加工しなくてもよい。   In FIGS. 1 and 2, the outer peripheral surface of the anchor body 1, 1 a is made to have a shallow groove on the outer peripheral surface of the tip side 2 in order to make it easier to bite into the hole peripheral wall of the ceiling wall described later. The outer peripheral surface may not be processed at all with an anchor other than a ceiling anchor that requires a large suspension load.

以下、このアンカーの施工方法を説明する。図３はアンカーと異形筋との関係を示す斜視図，図４は天井壁にアンカーを異形筋とともに装着する手順を示す説明図である。なお、図４に示すように、天井壁Ａには有底穴Ａ１が予め穿設されているものとする。ここでは穴Ａ１の内径はアンカー本体１の外径よりも若干大きく設定され、かつ穴Ａ１の深さはアンカー本体１の長さよりも若干大きく設定されているものとする。また、穴Ａ１の底形状は実際には尖塔状となっていることが多い。   Hereinafter, this anchor construction method will be described. FIG. 3 is a perspective view showing the relationship between the anchor and the deformed muscle, and FIG. 4 is an explanatory view showing a procedure for mounting the anchor together with the deformed muscle on the ceiling wall. In addition, as shown in FIG. 4, the bottomed hole A1 shall be drilled in the ceiling wall A previously. Here, it is assumed that the inner diameter of the hole A1 is set slightly larger than the outer diameter of the anchor body 1, and the depth of the hole A1 is set slightly larger than the length of the anchor body 1. Further, the bottom shape of the hole A1 is actually a spire in many cases.

まず、図３に示すように、アンカー本体１の基端側３から先端側２に向けて異形筋１０を緩く挿入する。異形筋１０の外径ｄ０は、基端側３の内径よりも小さいので、この挿入は容易である。しかし、異形筋１０の外径ｄ０は、先端側２の内径ｄ１よりも大きいので、上記図１に示したように、異形筋１０はアンカー本体１の挿通孔５を貫通することなく、その挿通孔５の中間に異形筋１０の先端が止まった状態となる。   First, as shown in FIG. 3, the deformed muscle 10 is loosely inserted from the proximal end side 3 to the distal end side 2 of the anchor body 1. Since the outer diameter d0 of the deformed muscle 10 is smaller than the inner diameter of the proximal end side 3, this insertion is easy. However, since the outer diameter d0 of the deformed muscle 10 is larger than the inner diameter d1 of the distal end side 2, the deformed muscle 10 can be inserted without passing through the insertion hole 5 of the anchor body 1 as shown in FIG. The distal end of the deformed muscle 10 stops in the middle of the hole 5.

ついで、図４（ａ）に示すように、アンカー全体を天井壁（コンクリートスラブ）Ａの穴Ａ１内に挿入すると、アンカー本体１の基端部３の鍔状部分が穴Ａ１に入らずその天井壁Ａの下面で止まるので、穴Ａ１の穴底付近に若干の空間部分を残した状態でその穴Ａ１に入ったアンカー本体１の外周面が穴周壁に当接する。   Next, as shown in FIG. 4A, when the entire anchor is inserted into the hole A1 of the ceiling wall (concrete slab) A, the hook-shaped portion of the base end portion 3 of the anchor body 1 does not enter the hole A1, and the ceiling Since it stops at the lower surface of the wall A, the outer peripheral surface of the anchor main body 1 that has entered the hole A1 abuts the peripheral wall of the hole A1 while leaving some space near the bottom of the hole A1.

そして、図４（ｂ）に示すように、異形筋１０の下端が図示しないハンマー等で直接打ち込まれることで異形筋１０の先端がアンカー本体１の先端側２に圧入される。すると、異形筋１０の先端の外径ｄ０は先端側２の内径ｄ１よりも大きいので、異形筋１０の先端により押圧されることによりスリット４の部分でラッパ状に開いた先端側２の外周面が穴Ａ１の周壁に食い込む。先端側２の外周面には浅溝加工が施されているので、その食い込みはより確実なものとなる。   4B, the distal end of the deformed muscle 10 is press-fitted into the distal end side 2 of the anchor body 1 by directly driving the lower end of the deformed muscle 10 with a hammer or the like (not shown). Then, since the outer diameter d0 of the distal end of the deformed muscle 10 is larger than the inner diameter d1 of the distal end side 2, the outer peripheral surface of the distal end side 2 opened in a trumpet shape at the slit 4 portion by being pressed by the distal end of the deformed muscle 10. Bites into the peripheral wall of the hole A1. Since the outer peripheral surface of the front end side 2 is subjected to shallow groove processing, the biting is more reliable.

引き続き、異形筋１０の先端はアンカー本体１を貫通して穴Ａ１の底面に達するまで押し上げられると、異形筋１０はその先端とアンカー本体１の先端側２の外周面とで穴Ａ１内に確実に固定される。このようにして、異形筋１０は天井壁Ａから吊り下げられた状態となり、そこに所定の機器設備等を取り付けることができる。   Subsequently, when the distal end of the deformed muscle 10 passes through the anchor body 1 and is pushed up until it reaches the bottom surface of the hole A1, the deformed muscle 10 is surely inserted into the hole A1 by the distal end and the outer peripheral surface of the distal end side 2 of the anchor body 1. Fixed to. In this manner, the deformed muscle 10 is suspended from the ceiling wall A, and predetermined equipment and the like can be attached thereto.

以上説明したように、本実施形態のアンカー１では、アンカー本体１の挿通孔５は、基端側３が大径で、かつ先端側２が小径となっているため、このアンカー本体１の挿通孔５に、基端側３から異形筋１０を叩き込んで先端側２を拡開させることができる。このため、従来のように、スリーブ状の打ち込み具を別途用意することなく、異形筋１０をアンカー本体１に直接打ち込むことができるので、その打ち込み作業が容易となり、施工能率が大幅に向上する。   As described above, in the anchor 1 of the present embodiment, the insertion hole 5 of the anchor main body 1 has a large diameter on the proximal end side 3 and a small diameter on the distal end side 2, so that the insertion of the anchor main body 1 is performed. The deformed muscle 10 can be struck into the hole 5 from the proximal end side 3 to expand the distal end side 2. For this reason, since the deformed muscle 10 can be directly driven into the anchor body 1 without separately preparing a sleeve-like driving tool as in the prior art, the driving operation is facilitated, and the construction efficiency is greatly improved.

また、異形筋の先端加工をしなくてもよい、ストレート部のみからなる安価な異形筋１０を使用することができるとともに、種類の異なる異形筋等の使用による混在作業をなくし、この点でも施工効率を向上させることができる。   In addition, it is possible to use an inexpensive deformed muscle 10 consisting of only a straight portion, which does not require the processing of the distal end of the deformed muscle, and eliminates the mixed work due to the use of different kinds of deformed muscles. Efficiency can be improved.

なお、本発明は、上記した天井用アンカーに限らず、たとえば、コンクリート型枠を保持するためのセパレータボルトをコンクリート側壁面に取り付けるためのアンカー、各種設備を側壁や床壁に取り付けるためのアンカー等、各種アンカーに適用することができる。   The present invention is not limited to the above-described ceiling anchors. For example, an anchor for attaching a separator bolt for holding a concrete formwork to a concrete side wall, an anchor for attaching various facilities to a side wall or a floor wall, and the like. It can be applied to various anchors.

また、本発明は、アンカー本体１の挿通孔５にはネジ加工等を施していないが、棒状部材として、例えば雄ネジを切ったボルトを使用したい場合には、アンカー本体１の挿通孔５の一部又は全部に雌ネジ部を設けたアンカーを使用することとすればよい。   In the present invention, the insertion hole 5 of the anchor main body 1 is not threaded. However, when a bolt with a male thread is used as a rod-shaped member, for example, the insertion hole 5 of the anchor main body 1 is not provided. What is necessary is just to use the anchor which provided the internal thread part in part or all.

本発明の一実施形態にかかるアンカーの全体構成図であって、（ａ）は上側からみた平面図、（ｂ）は正面側からみた断面図、（ｃ）は下側からみた平面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram of the anchor concerning one Embodiment of this invention, (a) is the top view seen from the upper side, (b) is sectional drawing seen from the front side, (c) is the top view seen from the lower side. . 本発明の変形例にかかるアンカーの正面側からみた断面図である。It is sectional drawing seen from the front side of the anchor concerning the modification of this invention. アンカーと異形筋との関係を示す斜視図である。It is a perspective view which shows the relationship between an anchor and a deformed muscle. 天井壁にアンカーを異形筋とともに装着する手順を示す説明図である。It is explanatory drawing which shows the procedure which mounts | wears an anchor with a deformed muscle on a ceiling wall. 従来例におけるアンカーと特殊異形筋との関係を示す斜視図である。It is a perspective view which shows the relationship between the anchor and special deformed muscle in a prior art example. 天井壁に従来のアンカーを特殊異形筋とともに装着する手順を示す説明図である。It is explanatory drawing which shows the procedure which mounts the conventional anchor with a special deformed muscle on a ceiling wall.

符号の説明Explanation of symbols

１ アンカー本体
２ 先端側
３ 基端側
４ スリット
５ 挿通孔
１０ 異形筋（棒状部材）
Ａ 天井壁
Ａ１ 穴 DESCRIPTION OF SYMBOLS 1 Anchor main body 2 Front end side 3 Base end side 4 Slit 5 Insertion hole 10 Deformed muscle (bar-shaped member)
A ceiling wall A1 hole

Claims (4)

アンカー本体に、棒状部材を挿通させるための挿通孔と、この棒状部材の挿通により挿通孔の先端側を拡開させるスリットとを設けたアンカーであって、
アンカー本体の挿通孔は、先端側の内径が基端側の内径より小さくなるように形成されていることを特徴とするアンカー。 An anchor body is provided with an insertion hole for inserting a rod-shaped member and a slit for expanding the distal end side of the insertion hole by inserting the rod-shaped member,
The anchor body is characterized in that the insertion hole of the anchor body is formed so that the inner diameter on the distal end side is smaller than the inner diameter on the proximal end side. アンカー本体の挿通孔は、基端側から先端側にかけて先絞りとなるテーパ形状に形成されていることを特徴とする請求項１記載のアンカー。   2. The anchor according to claim 1, wherein the insertion hole of the anchor main body is formed in a taper shape that becomes a leading aperture from the proximal end side to the distal end side. アンカー本体の挿通孔は、基端側と先端側とで段違いに形成されていることを特徴とする請求項１記載のアンカー。   2. The anchor according to claim 1, wherein the insertion hole of the anchor body is formed in a step difference between a proximal end side and a distal end side. アンカー本体に、棒状部材を挿通させるための挿通孔と、この棒状部材の挿通により挿通孔の先端側を拡開させるスリットとを設けてなるアンカーを構造壁に固定するアンカーの施工方法であって、
請求項１〜３のいずれか１項に記載のアンカーを構造壁の穴内に挿入した状態で、アンカー本体の挿通孔の先端側部分に棒状部材を叩き込んで該先端側部分を拡開させることを特徴とするアンカーの施工方法。 An anchor construction method for fixing an anchor to a structural wall by providing an anchor body with an insertion hole for inserting a rod-shaped member and a slit for expanding the distal end side of the insertion hole by insertion of the rod-shaped member. ,
In a state where the anchor according to any one of claims 1 to 3 is inserted into a hole in the structural wall, a rod-shaped member is struck into the distal end portion of the insertion hole of the anchor body to expand the distal end portion. Characteristic anchor construction method.
JP2004086552A 2004-03-24 2004-03-24 Anchor and its construction method Pending JP2005273241A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009041179A (en) * 2007-08-06 2009-02-26 Panasonic Electric Works Co Ltd Guide device for overhung door and construction method of the device
JP2019027114A (en) * 2017-07-28 2019-02-21 国立大学法人埼玉大学 Fast renewal method for existing wall balustrade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009041179A (en) * 2007-08-06 2009-02-26 Panasonic Electric Works Co Ltd Guide device for overhung door and construction method of the device
JP2019027114A (en) * 2017-07-28 2019-02-21 国立大学法人埼玉大学 Fast renewal method for existing wall balustrade

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