JP4087404B2 - Insert fixing method to wood - Google Patents

Insert fixing method to wood Download PDF

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JP4087404B2
JP4087404B2 JP2005316241A JP2005316241A JP4087404B2 JP 4087404 B2 JP4087404 B2 JP 4087404B2 JP 2005316241 A JP2005316241 A JP 2005316241A JP 2005316241 A JP2005316241 A JP 2005316241A JP 4087404 B2 JP4087404 B2 JP 4087404B2
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hardener
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敏道 小林
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敏道 小林
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本発明は、雌ねじを有するインサートを、木材に穿設したインサート埋め込み穴に挿入し、該インサート埋め込み穴に硬化材を充填してインサートを固定する木材へのインサート固定方法に関する。   The present invention relates to an insert fixing method to wood in which an insert having a female screw is inserted into an insert embedding hole formed in wood, and the insert is filled by filling the insert embedding hole with a hardening material.

接合金物による木材同士の接合、例えば柱材と梁材とをその間に接合金物を介在させて接合する場合、雌ねじを有するインサートを木材に埋め込み、その雌ねじにボルトを螺合させて接合部材を木材表面に緊締することが行われている。   Joining wood with a joint metal, for example, when joining a column and a beam with a joint between them, insert an insert having an internal thread into the wood, screwing a bolt into the internal thread, and connecting the joint member to the wood Tightening to the surface is done.

インサートとしては、雌ねじを有する異形鉄筋が使用されることが多く、これを木材に埋め込むには、木材に穿設したインサート埋め込み穴に所要長さの異形鉄筋を挿入し、該インサート埋め込み穴に樹脂やモルタル等の硬化材を充填して、インサートである異形鉄筋を固定するようにしている。   As the insert, a deformed reinforcing bar having an internal thread is often used, and in order to embed this in a wood, a deformed reinforcing bar having a required length is inserted into an insert embedding hole drilled in the wood, and a resin is inserted into the insert embedding hole. A hardened material such as mortar is filled to fix the deformed rebar as an insert.

異形鉄筋をインサート埋め込み穴に挿入して硬化材で固定する方法としては、例えば特許文献１（特開２００３−１９１２１２号公報）及び特許文献２（特開２００３−１９３５７０号公報）に開示された技術がある。   As a method of inserting a deformed reinforcing bar into an insert embedding hole and fixing it with a hardener, for example, techniques disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2003-191212) and Patent Document 2 (Japanese Patent Laid-Open No. 2003-193570) There is.

これら特許文献１及び特許文献２には、木材の端面にインサート埋め込み穴である非貫通孔を設けるとともに、この非貫通孔の開口部側に連通する注入孔と、盲端側に連通するエアー抜き兼充填確認孔とを木材の側面に設け、インサートである異形鉄筋を非貫通孔中に余裕をもって挿入した状態で、硬化材として無収縮性モルタルを注入孔から注入し、エアー抜き兼充填確認孔からエアー抜きして、非貫通孔と異形鉄筋との間の隙間に無収縮性モルタルを充填する技術が開示されている。
特開２００３−１９１２１２号公報 特開２００３−１９３５７０号公報 In these Patent Documents 1 and 2, a non-through hole which is an insert embedding hole is provided on the end face of wood, an injection hole communicating with the opening side of the non-through hole, and an air vent communicating with the blind end side In the state where the cum filling confirmation hole is provided on the side of the wood and the deformed rebar as an insert is inserted into the non-through hole with sufficient margin, non-shrinkable mortar is injected from the injection hole as a hardening material, and air venting and filling confirmation hole A technique has been disclosed in which air is vented and a non-shrinkable mortar is filled in the gap between the non-through hole and the deformed reinforcing bar.
JP 2003-191212 A JP 2003-193570 A

このような技術の場合、非貫通孔と異形鉄筋との間に無収縮性モルタルが満遍なく行き渡るように、非貫通孔と異形鉄筋との間には充分な隙間が全周に形成されなければならない。そのためには、異形鉄筋が非貫通孔の中心に位置決めされなければならないが、特許文献１及び特許文献２には、異形鉄筋の位置決めについては、何らの技術も開示されていない。   In such a technique, a sufficient gap must be formed between the non-through hole and the deformed rebar so that the non-shrinkable mortar is evenly distributed between the non-through hole and the deformed rebar. . For this purpose, the deformed reinforcing bar must be positioned at the center of the non-through hole. However, Patent Document 1 and Patent Document 2 do not disclose any technique for positioning the deformed reinforcing bar.

また、特許文献２には、非貫通孔を断面凸凹形状として内径を部分的に大きくすることにより、異形鉄筋の引き抜き抵抗を大きくする技術も開示されているが、内径を部分的に大きくする断面凹状部分が、注入孔とエアー抜き兼充填確認孔との間で形成されているため、この断面凹状部分に無収縮性モルタルが行き渡らない恐れがある。   Patent Document 2 also discloses a technique for increasing the pull-out resistance of deformed reinforcing bars by partially increasing the inner diameter by making the non-through holes uneven in the cross section. Since the concave portion is formed between the injection hole and the air vent / filling confirmation hole, there is a possibility that the non-shrinkable mortar does not spread over the concave portion of the cross section.

本発明の第１の課題は、インサートをインサート埋め込み穴に挿入するに当たり、その中心への位置決めを簡単に行えるようにすることにある。   A first object of the present invention is to enable easy positioning at the center when an insert is inserted into an insert embedding hole.

本発明の第２の課題は、インサート埋め込み穴の内径を部分的に大きくする部分にも、硬化材を満遍なく充填することができるようにすることにある。   The second object of the present invention is to make it possible to evenly fill the hardened material even in the portion where the inner diameter of the insert embedding hole is partially enlarged.

請求項１記載の本発明は、雌ねじを有するインサートを、木材に穿設したインサート埋め込み穴に挿入し、該インサート埋め込み穴に硬化材を充填してインサートを固定する木材へのインサート固定方法において、インサートの雌ねじに螺合させることができる雄ねじ部材と、この雄ねじ部材を挿通させることができる位置決め孔を設けた位置決めプレートを兼ねる側板を有し木材同士を接合する接合金物とを用い、接合金物を木材表面に当てた状態で仮止めして、位置決め孔を通じて雄ねじ部材をインサートの雌ねじに螺合させることにより、インサートをインサート埋め込み穴中に位置決めした後、インサート埋め込み穴に硬化材を充填することを特徴とする木材へのインサート固定方法である。 The present invention according to claim 1 is an insert fixing method to wood in which an insert having an internal thread is inserted into an insert embedding hole formed in wood, and the insert embedding hole is filled with a hardening material to fix the insert. Using a male screw member that can be screwed into the female screw of the insert, and a metal fitting that joins wood with a side plate that also serves as a positioning plate provided with a positioning hole through which the male screw member can be inserted, Temporarily fix it in contact with the wood surface and screw the male screw member into the female screw of the insert through the positioning hole to position the insert in the insert embedding hole and then fill the insert embedding hole with a hardener. This is a feature of fixing the insert to the wood.

請求項２記載の本発明は、接合金物の上記側板複数の位置決め孔を設け、１つの接合金物にて複数のインサートを複数のインサート埋め込み穴に対して位置決めすることを特徴とする、請求項１に記載の木材へのインサート固定方法である。 The present invention described in claim 2 is characterized in that a plurality of positioning holes for the side plate of the joint metal are provided, and a plurality of inserts are positioned with respect to a plurality of insert embedding holes by one joint metal. The insert fixing method to the wood described in 1.

請求項３記載の本発明は、インサート埋め込み穴の盲端に、その内径を部分的に大きくする拡幅部を形成するとともに、この拡幅部に直接連通する硬化材注入穴と、インサート埋め込み穴の開口部側に連通する硬化材排出穴とを木材に設け、硬化材を硬化材注入穴から注入して拡幅部を含むインサート埋め込み穴に充填し、余分の硬化材を硬化材排出穴から排出することを特徴とする、請求項１または２に記載の木材へのインサート固定方法である。 According to the third aspect of the present invention, a widened portion that partially increases the inner diameter is formed at the blind end of the insert embedded hole, and a hardener injection hole that directly communicates with the widened portion, and an opening of the insert embedded hole A hardener discharge hole communicating with the part side is provided in the wood, the hardener is injected from the hardener injection hole, filled into the insert embedding hole including the widened portion, and excess hardener is discharged from the hardener discharge hole. The insert fixing method to the wood according to claim 1 or 2, characterized by the above.

請求項１の発明によれば、木材同士を接合する接合金物の側板が位置決めプレートを兼ねているので、専用の位置決めプレートが不要になり、これを定規としてインサートをインサート埋め込み穴の中心に正確に位置決めでき、硬化材により全周を平均に固めた安定状態にして固定できる。また、木材への接合部材の固定も同時に行うことができる。According to the invention of claim 1, since the side plate of the metal fitting for joining the woods also serves as the positioning plate, a dedicated positioning plate is not required, and using this as a ruler, the insert is accurately placed at the center of the insert embedding hole. It can be positioned, and can be fixed in a stable state in which the entire circumference is solidified with a curing material. Also, the joining member can be fixed to the wood at the same time.

請求項２の発明によれば、一枚の位置決めプレートにて複数のインサートを複数のインサート埋め込み穴に対して位置決めするので、作業性が向上する。 According to the invention of claim 2, since a plurality of inserts are positioned with respect to a plurality of insert embedding holes with one positioning plate, workability is improved.

請求項３の発明によれば、インサート埋め込み穴の盲端に、その内径を部分的に大きくする拡幅部を形成し、この拡幅部に直接連通する硬化材注入穴から硬化材を注入し、インサート埋め込み穴の開口部側に連通する硬化材排出穴から余分の硬化材を排出するので、硬化材を拡幅部にも確実に充填できる。 According to the third aspect of the present invention, the widened portion that partially enlarges the inner diameter is formed at the blind end of the insert embedding hole, and the hardener is injected from the hardener injection hole that communicates directly with the widened portion. Since the excess curing material is discharged from the curing material discharge hole communicating with the opening side of the embedding hole, the curing material can be reliably filled into the widened portion.

次に、木材へのインサート固定方法の例を図面に基づいて詳細に説明する。   Next, an example of an insert fixing method to wood will be described in detail based on the drawings.

木材である柱材と同じく木材である梁材とを接合する場合を例にして、先ず、柱材にインサート埋め込み穴を穿設する方法について説明する。
図１及び図２に示すように、柱材１において、梁材との接合面の複数箇所、例えば４箇所に、通常のドリル２により所要深さの穴３を真っ直ぐ掘削した後、図３及び図４に示すように、ルータビット４により穴３の盲端の全周を拡幅切削して、盲端に環状の拡幅部５ａを有するインサート埋め込み穴５を穿設する。 First, a method of drilling an insert embedding hole in a pillar material will be described by taking as an example the case of joining a pillar material that is wood and a beam material that is wood.
As shown in FIG. 1 and FIG. 2, after drilling a hole 3 of a required depth straight with a normal drill 2 in a plurality of places, for example, four places on the joint surface with the beam material in the pillar material 1, FIG. As shown in FIG. 4, the entire circumference of the blind end of the hole 3 is widened and cut by the router bit 4 to form the insert embedding hole 5 having an annular widened portion 5a at the blind end.

次に、各インサート埋め込み穴５について、その拡幅部５ａに連通する小径の硬化材注入穴６と、インサート埋め込み穴５の開口５ｂの近傍でインサート埋め込み穴５に連通する小径の硬化材排出穴７とを、柱材１の側面からドリル８により掘削する。   Next, for each insert embedding hole 5, a small diameter hardener injection hole 6 communicating with the widened portion 5 a and a small diameter hardener discharge hole 7 communicating with the insert embedding hole 5 in the vicinity of the opening 5 b of the insert embedding hole 5. Are drilled with a drill 8 from the side of the column 1.

図５及び図６に示すように、梁材９については、柱材１と接合する端面の複数箇所、例えば４箇所に、柱材１の場合と同様に、通常のドリル２により所要深さの穴１０を真っ直ぐ掘削した後、図７及び図８に示すように、ルータビット４により穴１０の盲端の全周を拡幅切削して、盲端に環状の拡幅部１１ａを有するインサート埋め込み穴１１を穿設する。
次に、各インサート埋め込み穴１１について、その拡幅部１１ａに連通する小径の硬化材注入穴１２と、インサート埋め込み穴１１の開口１１ｂの近傍でインサート埋め込み穴１１に連通する小径の硬化材排出穴１３とを、梁材９の側面からドリル８により掘削する。
このように穿設した柱材１のインサート埋め込み穴５及び梁材９のインサート埋め込み穴１１のそれぞれにインサートを埋め込むが、その際、実施例１では、図９及び図１０に示すような位置決めプレート１４を用いる。 As shown in FIG. 5 and FIG. 6, the beam material 9 has a required depth by a normal drill 2 in a plurality of locations, for example, four locations on the end surface joined to the column material 1, as in the case of the column material 1. After excavating the hole 10 straight, as shown in FIG. 7 and FIG. 8, an insert embedded hole 11 having an annular widened portion 11 a at the blind end is obtained by widening the entire circumference of the blind end of the hole 10 with the router bit 4. To drill.
Next, for each insert embedding hole 11, a small-diameter hardener injection hole 12 that communicates with the widened portion 11 a and a small-diameter hardener discharge hole 13 that communicates with the insert embedding hole 11 in the vicinity of the opening 11 b of the insert embedding hole 11. Are drilled with a drill 8 from the side of the beam member 9.
The insert is embedded in each of the insert embedding hole 5 of the pillar member 1 and the insert embedding hole 11 of the beam member 9 thus drilled. In this case, in the first embodiment, the positioning plate as shown in FIGS. 9 and 10 is used. 14 is used.

位置決めプレート１４は例えば鋼板製で、これには、位置決め孔１５が４箇所のインサート埋め込み穴５・１１の配置に合わせて４箇所に設けられているとともに、位置決め孔１５よりも小さい仮止め孔１６が例えば上下２箇所に設けられている。位置決め孔１５は、インサート１７の雌ねじ１７ａに螺合させることができる雄ねじ部材であるボルト１８を挿通させることができる大きさ、仮止め孔１６は、位置決めプレート１４を仮止めするための仮止め部材であるビス１９を挿通させることができる大きさとなっている。   The positioning plate 14 is made of, for example, a steel plate. For this, the positioning holes 15 are provided at four positions in accordance with the arrangement of the four insert embedding holes 5 and 11 and the temporary fixing holes 16 smaller than the positioning holes 15. Are provided at two locations, for example, at the top and bottom. The positioning hole 15 has such a size that a bolt 18 that is a male screw member that can be screwed into the female screw 17 a of the insert 17 can be inserted, and the temporary fixing hole 16 is a temporary fixing member for temporarily fixing the positioning plate 14. It is a size which can insert screw 19 which is.

インサート１７は、雌ねじ１７ａを有する異形鉄筋を所要長さに切断したもので、インサート埋め込み穴５・１１に対しその内周面との間に隙間を形成して挿入することができるサイズである。   The insert 17 is obtained by cutting a deformed reinforcing bar having an internal thread 17a to a required length, and is a size that can be inserted into the insert embedding holes 5 and 11 with a gap between the inner peripheral surface.

柱材１のインサート埋め込み穴５にインサート１７を埋め込む場合、図１１に示すように、インサート埋め込み穴５にインサート１７を挿入しておいてから、位置決めプレート１４の位置決め孔１５をインサート埋め込み穴５に一致させ、位置決めプレート１４の仮止め孔１６を通じてビス１９を柱材１にねじ込んで、位置決めプレート１４を柱材１の接合面に仮止めする。   When the insert 17 is embedded in the insert embedded hole 5 of the column 1, as shown in FIG. 11, the insert 17 is inserted into the insert embedded hole 5, and then the positioning hole 15 of the positioning plate 14 is inserted into the insert embedded hole 5. The screws 19 are screwed into the column member 1 through the temporary fixing holes 16 of the positioning plate 14 to temporarily fix the positioning plate 14 to the joint surface of the column member 1.

この状態で、インサート埋め込み穴５のそれぞれについて、ボルト１８を位置決めプレート１４の位置決め孔１５を通じてインサート１７の雌ねじ１７ａに螺合させると、インサート１７がインサート埋め込み穴５の内面に接触することなくその中心に位置決めされる。   In this state, when the bolt 18 is screwed into the female screw 17a of the insert 17 through the positioning hole 15 of the positioning plate 14 for each of the insert embedding holes 5, the insert 17 does not contact the inner surface of the insert embedding hole 5 and the center thereof. Is positioned.

次に、図１２に示すように、インサート埋め込み穴５のそれぞれについて、注入パイプＰにより硬化材注入穴１２からエポキシ樹脂等の硬化材２０を注入し、余分の硬化材２０が硬化材排出穴１３から排出されるまでインサート埋め込み穴５に硬化材２０を充填する。このとき、硬化材注入穴１２がインサート埋め込み穴５の盲端の拡幅部５ａに連通していて、先に拡幅部５ａに充填されるので、硬化材２０は拡幅部５ａを含む全域に隙間無く充填される。充填したら、硬化材注入穴１２及び硬化材排出穴１３を木栓２１で閉塞して硬化材２０の硬化を待つ。硬化材２０が硬化すると、インサート１７はインサート埋め込み穴５内にしっかりと接着固定され、拡幅部５ａ内で硬化した硬化材２０がインサート１７の大きな引き抜き抵抗となる。   Next, as shown in FIG. 12, for each of the insert embedding holes 5, a curing material 20 such as an epoxy resin is injected from the curing material injection hole 12 by the injection pipe P, and the excess curing material 20 becomes the curing material discharge hole 13. The insert filling hole 5 is filled with the hardening material 20 until it is discharged from the storage. At this time, since the hardening material injection hole 12 communicates with the widened portion 5a at the blind end of the insert embedding hole 5 and is filled in the widened portion 5a first, the hardened material 20 has no gap in the entire region including the widened portion 5a. Filled. After filling, the hardener injection hole 12 and the hardener discharge hole 13 are closed with a wooden plug 21 and waiting for the hardener 20 to harden. When the hardened material 20 is hardened, the insert 17 is firmly bonded and fixed in the insert embedding hole 5, and the hardened material 20 hardened in the widened portion 5 a becomes a large pulling resistance of the insert 17.

硬化材２０の硬化後、図１３に示すように、ボルト１８をインサート１７の雌ねじ１７ａから外すとともに、ビス１９を抜いて位置決めプレート１４を柱材１から取り外す。   After the curing material 20 is cured, as shown in FIG. 13, the bolt 18 is removed from the female screw 17 a of the insert 17, and the screw 19 is removed to remove the positioning plate 14 from the column material 1.

この後、図１４に示すように、ボルト１８をインサート１７の雌ねじ１７ａに螺合させ、接合金具２２を柱材１の接合面に緊締する。接合金具２２は、例えば図１６に示すようなもので、Ｈ形鋼で作られ、その両側の側板２２ａ・２２ｂのそれぞれの４箇所にボルト挿通孔２３が設けられており、このボルト挿通孔２３を通じてボルト１８をインサート１７の雌ねじ１７ａに螺合させることで、片側の側板２２ａを柱材１の接合面に緊締する。
梁材９のインサート埋め込み穴１１についても、上記と同様に位置決めプレート１４を用いてインサート１７を位置決めし、硬化材２０を充填して硬化させる。そして、図１５に示すように、接合金具２２の反対側の側板２２ｂを、柱材１の場合と同様にボルト１８にて梁材９の端面に緊締し、柱材１と梁材９とを接合金具２２を介して接合する。 Thereafter, as shown in FIG. 14, the bolt 18 is screwed into the female screw 17 a of the insert 17, and the joining fitting 22 is fastened to the joining surface of the column member 1. The joint fitting 22 is, for example, as shown in FIG. 16, is made of H-shaped steel, and is provided with bolt insertion holes 23 at the four locations of the side plates 22 a and 22 b on both sides thereof. Then, the bolt 18 is screwed into the female screw 17a of the insert 17 to fasten the side plate 22a on one side to the joining surface of the column member 1.
As for the insert embedding hole 11 of the beam material 9, the insert 17 is positioned using the positioning plate 14 in the same manner as described above, and the curing material 20 is filled and cured. Then, as shown in FIG. 15, the side plate 22 b on the opposite side of the joint fitting 22 is fastened to the end surface of the beam member 9 with the bolt 18 in the same manner as the column member 1, and the column member 1 and the beam member 9 are joined together. It joins via the joining metal fitting 22.

次に、実施例２は、図１７及び図１８に示すように、接合金具２２の側板２２ａ・２２ｂが位置決めプレートを兼ねるようにしたものである。すなわち、接合金具２２の側板２２ａ・２２ｂのそれぞれの４箇所のボルト挿通孔２３が、インサート１７を位置決めするための位置決め孔を兼ねるようになっている。また、接合金具２２自体を仮止めするため、ビス等の仮止め部材を挿通させる仮止め孔２４が、それぞれのボルト挿通孔２３に対応させて側板２２ａ・２２ｂに設けられている。   Next, in the second embodiment, as shown in FIGS. 17 and 18, the side plates 22a and 22b of the joint fitting 22 also serve as positioning plates. That is, the four bolt insertion holes 23 of each of the side plates 22 a and 22 b of the joint fitting 22 also serve as positioning holes for positioning the insert 17. Further, in order to temporarily fix the joint fitting 22 itself, temporary fixing holes 24 through which temporary fixing members such as screws are inserted are provided in the side plates 22a and 22b so as to correspond to the respective bolt insertion holes 23.

このような接合金具２２を用いてインサート１７を梁材９のインサート埋め込み穴１１に埋め込む場合、図１９に示すように、接合金具２２の片側の側板２２ａのボルト挿通孔２３を梁材９のインサート埋め込み穴１１に一致させた状態で、接合金具２２をビス１９にて梁材９の端面に仮止めする。すなわち、ビス１９を仮止め孔２４を通じて梁材９の端面にねじ込む。   When the insert 17 is embedded in the insert embedding hole 11 of the beam member 9 using such a joint fitting 22, the bolt insertion hole 23 of the side plate 22 a on one side of the joint fitting 22 is inserted into the insert of the beam member 9 as shown in FIG. 19. In a state where it is aligned with the embedded hole 11, the joint fitting 22 is temporarily fixed to the end face of the beam member 9 with a screw 19. That is, the screw 19 is screwed into the end face of the beam member 9 through the temporary fixing hole 24.

このようにしておいて、インサート埋め込み穴１１のそれぞれについて、ボルト１８を接合金具２２のボルト挿通孔２３を通じてインサート１７の雌ねじ１７ａに螺合させると、インサート１７がインサート埋め込み穴１１の内面に接触することなくその中心に位置決めされる。   In this way, for each of the insert embedded holes 11, when the bolt 18 is screwed into the female screw 17 a of the insert 17 through the bolt insertion hole 23 of the joint fitting 22, the insert 17 contacts the inner surface of the insert embedded hole 11. Without being centered.

次に、図２０に示すように、インサート埋め込み穴１１のそれぞれについて、注入パイプＰにより硬化材注入穴１２からエポキシ樹脂等の硬化材２０を注入し、余分の硬化材２０が硬化材排出穴１３から排出されるまでインサート埋め込み穴１１に硬化材２０を充填する。充填したら、硬化材注入穴１２及び硬化材排出穴１３を木栓２１で閉塞して硬化材２０の硬化を待つ。硬化材２０の硬化後に、図２１に示すようにビス１９を取り外すが、取り外さなくとも支障がなければ、そのままにしておいても構わない。   Next, as shown in FIG. 20, for each of the insert embedding holes 11, a curing material 20 such as an epoxy resin is injected from the curing material injection hole 12 by the injection pipe P, and the excess curing material 20 becomes the curing material discharge hole 13. The insert embedding hole 11 is filled with the hardening material 20 until it is discharged from the center. After filling, the hardener injection hole 12 and the hardener discharge hole 13 are closed with a wooden plug 21 and waiting for the hardener 20 to harden. After the curing material 20 is cured, the screw 19 is removed as shown in FIG. 21, but it may be left as it is if there is no problem even if it is not removed.

この後、柱材１に対して、接合金具２２の反対側の側板２２ｂを位置決めプレートとして、梁材９に対する場合と同様に、ビス１９で仮止めしておいてから、図２２に示すようにインサート埋め込み穴５のそれぞれについて、ボルト１８を接合金具２２のボルト挿通孔２３を通じてインサート１７の雌ねじ１７ａに螺合させ、その後、硬化材注入穴６からエポキシ樹脂等の硬化材２０を注入し、余分の硬化材２０が硬化材排出穴７から排出されるまでインサート埋め込み穴５に硬化材２０を充填する。充填したら、硬化材注入穴６及び硬化材排出穴７を木栓２１で閉塞して硬化材２０を硬化させる。   Thereafter, the side plate 22b on the opposite side of the joint fitting 22 is used as a positioning plate with respect to the column member 1, and is temporarily fixed with screws 19 as in the case of the beam member 9, as shown in FIG. For each of the insert embedding holes 5, the bolts 18 are screwed into the female threads 17 a of the inserts 17 through the bolt insertion holes 23 of the joint fitting 22, and then a curing material 20 such as an epoxy resin is injected from the curing material injection hole 6. The hardener 20 is filled in the insert embedding hole 5 until the hardener 20 is discharged from the hardener discharge hole 7. After filling, the hardener injection hole 6 and the hardener discharge hole 7 are closed with a wooden plug 21 to harden the hardener 20.

従って、実施例２の場合は、実施例１の場合のような位置決めプレート１４を用いなくとも、柱材１と梁材９とを実施例１の場合と同じ接合関係にできる。   Accordingly, in the case of the second embodiment, the column member 1 and the beam member 9 can be in the same joining relationship as in the first embodiment without using the positioning plate 14 as in the first embodiment.

上記の実施例１及び実施例２においては、インサート１７の雌ねじ１７ａに螺合させる雄ねじ部材としてボルト１８を用いたが、ボルト１８以外の雄ねじ部材でもよい。また、仮止め部材としてビス１９を用いたが、釘や両面接着テープなどでも構わない。   In the first embodiment and the second embodiment, the bolt 18 is used as the male screw member screwed into the female screw 17a of the insert 17, but a male screw member other than the bolt 18 may be used. Further, although the screw 19 is used as the temporary fixing member, a nail or a double-sided adhesive tape may be used.

さらに、上記の方法は、柱材と梁材とを接合する場合に限らず、インサートを埋め込み、その雌ねじに雄ねじ部材を螺合させて木材同士を接合する場合に、広範囲に適用できる。   Furthermore, the above method is not limited to the case of joining the column member and the beam member, but can be applied in a wide range when the insert is embedded and the male screw member is screwed into the female screw to join the pieces of wood.

インサート埋め込み穴となる穴をドリルで柱材に掘削する方法を示す簡略側面図である。It is a simplified side view which shows the method of excavating the hole used as an insert embedding hole in a pillar material with a drill. 同じく斜視図である。It is a perspective view similarly. ルータビットで穴の盲端を拡幅する方法を示す簡略側面図である。It is a simplified side view which shows the method of widening the blind end of a hole with a router bit. 同じく簡略断面図である。It is a simplified sectional view similarly. インサート埋め込み穴となる穴をドリルで梁材に掘削する方法を示す簡略側面図である。It is a simplified side view which shows the method of excavating the hole used as an insert embedding hole in a beam material with a drill. 同じく斜視図である。It is a perspective view similarly. ルータビットで穴の盲端を拡幅する方法を示す簡略側面図である。It is a simplified side view which shows the method of widening the blind end of a hole with a router bit. 同じく簡略断面図である。It is a simplified sectional view similarly. 本インサート固定方法の実施例１で用いる位置決めプレートの正面図である。It is a front view of the positioning plate used in Example 1 of this insert fixing method. この位置決めプレートとインサートとボルトの関係を示す側面図である。It is a side view which shows the relationship between this positioning plate, an insert, and a volt | bolt. 実施例１において、柱材のインサート埋め込み穴に対してインサートを位置決めプレートで位置決めする状態を示す断面図である。In Example 1, it is sectional drawing which shows the state which positions an insert with a positioning plate with respect to the insert embedding hole of a pillar material. インサート埋め込み穴に硬化材を充填する方法を示し、図１１とは直角な断面図である。FIG. 12 is a cross-sectional view perpendicular to FIG. 11 showing a method of filling the insert embedding hole with a hardening material. 硬化材の硬化後に位置決めプレートを取り外す状態を示す断面図である。It is sectional drawing which shows the state which removes a positioning plate after hardening of a hardening material. インサートの雌ねじにボルトを螺合させて柱材の接合面に接合金具を固定した状態の断面図である。It is sectional drawing of the state which screwed the volt | bolt to the internal thread of the insert, and fixed the joining metal fitting to the joining surface of a pillar material. 実施例１において、接合金具を介して柱材と梁材とを接合させた状態の断面図である。In Example 1, it is sectional drawing of the state which joined the pillar material and the beam material via the joining metal fitting. 実施例１で用いる接合金具の斜視図である。FIG. 3 is a perspective view of a joining metal fitting used in Example 1. 本発明の実施例２で用いる接合金具の正面図である。It is a front view of the joining metal fitting used in Example 2 of the present invention. この接合金具とインサートとボルトの関係を示す側面図である。It is a side view which shows the relationship between this joining metal fitting, an insert, and a volt | bolt. 実施例２において、梁材のインサート埋め込み穴に対してインサートを接合金具で位置決めする状態を示す断面図である。In Example 2, it is sectional drawing which shows the state which positions an insert with a joining metal fitting with respect to the insert embedding hole of a beam material. インサート埋め込み穴に硬化材を充填する方法を示す断面図である。It is sectional drawing which shows the method of filling an insert embedding hole with a hardening material. 接合金具の仮止めに用いたビスを取り外す状態を示す断面図である。It is sectional drawing which shows the state which removes the screw used for the temporary fix | stop of the joining metal fitting. 実施例２において、接合金具を介して柱材と梁材とを接合させた状態の断面図である。In Example 2, it is sectional drawing of the state which joined the column material and the beam material via the joining metal fitting.

符号の説明Explanation of symbols

１ 柱材
２ ドリル
３ 穴
４ ルータビット
５ インサート埋め込み穴
５ａ 拡幅部
５ｂ 開口
６ 硬化材注入穴
７ 硬化材排出穴
８ ドリル
９ 梁材
１０ 穴
１１ インサート埋め込み穴
１１ａ 拡幅部
１１ｂ 開口
１２ 硬化材注入穴
１３ 硬化材排出穴
１４ 位置決めプレート
１５ 位置決め孔
１６ 仮止め孔
１７ インサート
１７ａ 雌ねじ
１８ ボルト
１９ ビス
２０ 硬化材
２１ 木栓
２２ 接合金具
２２ａ・２２ｂ 側板
２３ ボルト挿通孔
２４ 仮止め孔 DESCRIPTION OF SYMBOLS 1 Column material 2 Drill 3 Hole 4 Router bit 5 Insert embedding hole 5a Widening part 5b Opening 6 Hardening material injection hole 7 Hardening material discharge hole 8 Drill 9 Beam material 10 Hole 11 Insert embedding hole 11a Widening part 11b Opening 12 Hardening material injection hole 13 Hardening material discharge hole 14 Positioning plate 15 Positioning hole 16 Temporary fixing hole 17 Insert 17a Female screw 18 Bolt 19 Screw 20 Hardening material 21 Wood plug 22 Joint metal fittings 22a and 22b Side plate 23 Bolt insertion hole 24 Temporary fixing hole

Claims (3)

雌ねじを有するインサートを、木材に穿設したインサート埋め込み穴に挿入し、該インサート埋め込み穴に硬化材を充填してインサートを固定する木材へのインサート固定方法において、インサートの雌ねじに螺合させることができる雄ねじ部材と、この雄ねじ部材を挿通させることができる位置決め孔を設けた位置決めプレートを兼ねる側板を有し木材同士を接合する接合金物とを用い、接合金物を木材表面に当てた状態で仮止めして、位置決め孔を通じて雄ねじ部材をインサートの雌ねじに螺合させることにより、インサートをインサート埋め込み穴中に位置決めした後、インサート埋め込み穴に硬化材を充填することを特徴とする木材へのインサート固定方法。In an insert fixing method to wood in which an insert having an internal thread is inserted into an insert embedding hole drilled in wood and the insert embedding hole is filled with a hardening material to fix the insert, the insert may be screwed into the internal thread of the insert. A male screw member that can be inserted, and a metal fitting that joins wood with a side plate that also serves as a positioning plate provided with a positioning hole through which the male screw member can be inserted, and temporarily attached in a state where the metal fitting is applied to the surface of the wood Then, after the insert is positioned in the insert embedding hole by screwing the male screw member with the female screw of the insert through the positioning hole, the insert embedding hole is filled with a hardener, and the insert fixing method to wood . 接合金物の上記側板に複数の位置決め孔を設け、１つの接合金物にて複数のインサートを複数のインサート埋め込み穴に対して位置決めすることを特徴とする、請求項１に記載の木材へのインサート固定方法。The insert fixing to the wood according to claim 1, wherein a plurality of positioning holes are provided in the side plate of the joint metal, and a plurality of inserts are positioned with respect to the plurality of insert embedding holes by one joint metal. Method. インサート埋め込み穴の盲端に、その内径を部分的に大きくする拡幅部を形成するとともに、この拡幅部に直接連通する硬化材注入穴と、インサート埋め込み穴の開口部側に連通する硬化材排出穴とを木材に設け、硬化材を硬化材注入穴から注入して拡幅部を含むインサート埋め込み穴に充填し、余分の硬化材を硬化材排出穴から排出することを特徴とする、請求項１または２に記載の木材へのインサート固定方法。At the blind end of the insert embedding hole, a widened portion that partially enlarges the inner diameter is formed, and a hardener injection hole that communicates directly with the widened portion, and a hardener discharge hole that communicates with the opening side of the insert embedding hole And a hard material is injected from a hard material injection hole to fill an insert embedding hole including a widened portion, and excess hard material is discharged from the hard material discharge hole. 2. The method for fixing an insert to wood according to 2.
JP2005316241A 2005-10-31 2005-10-31 Insert fixing method to wood Active JP4087404B2 (en)

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