JP6808196B2 - Connected structure - Google Patents

Connected structure Download PDF

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JP6808196B2
JP6808196B2 JP2017099896A JP2017099896A JP6808196B2 JP 6808196 B2 JP6808196 B2 JP 6808196B2 JP 2017099896 A JP2017099896 A JP 2017099896A JP 2017099896 A JP2017099896 A JP 2017099896A JP 6808196 B2 JP6808196 B2 JP 6808196B2
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hardware
recess
protruding
pin
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大倉 憲峰
憲峰 大倉
義邦 大倉
義邦 大倉
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大倉 憲峰
憲峰 大倉
義邦 大倉
義邦 大倉
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Description

本発明は、主に木質系板材の据え付けに用いる連結構造に関する。 The present invention mainly relates to a connecting structure used for installing a wood-based board material.

木造建築はこれまで、住宅などの小規模な建物を中心に普及してきた。しかし近年は、集成材の製造技術が向上し、大断面の木材を安定して供給できるようになり、集合住宅や公共施設など、より規模の大きい建物の木造化も無理なく実現できるようになった。この集成材には、様々な種類が存在しているが、その一つとして、CLTが挙げられる。CLTは、直交集成板とも称され、隣接する板片の繊維方向が直交するように積層されており、強度の方向性が打ち消され、CLT同士を組み合わせるだけで、建物の骨格構造を完成させることもできる。 Until now, wooden construction has become widespread mainly in small buildings such as houses. However, in recent years, the technology for manufacturing laminated lumber has improved, and it has become possible to stably supply timber with a large cross section, and it has become possible to reasonably realize the wooden construction of larger buildings such as apartment houses and public facilities. It was. There are various types of laminated wood, and one of them is CLT. CLT is also called an orthogonal laminated board, and it is laminated so that the fiber directions of adjacent plate pieces are orthogonal to each other, the directionality of strength is canceled, and the skeletal structure of the building is completed only by combining CLTs. You can also.

建物の骨格構造にCLTを用いるための技術開発は、以前から進められており、その例として後記の特許文献が挙げられる。そのうち特許文献1では、隣接する集成材をH鋼材で連結した床構造が開示されており、この集成材にはCLTを用いることが想定されている。H鋼材は、隣接する集成材の間に配置し、また集成材の側面には、全長に亘って上下一対のスリットを加工してあり、H鋼材のフランジを対向するスリットに差し込む。このように、集成材をH鋼材で連結することで、軽量でありながら、強度を持たせた床構造が実現する。 Technological development for using CLT for the skeletal structure of buildings has been underway for some time, and the patent document described below is an example thereof. Among them, Patent Document 1 discloses a floor structure in which adjacent laminated woods are connected by H steel, and it is assumed that CLT is used for this laminated wood. The H steel material is arranged between the adjacent laminated woods, and a pair of upper and lower slits are machined on the side surface of the laminated wood material over the entire length, and the flanges of the H steel material are inserted into the opposing slits. By connecting the laminated wood with H steel in this way, a floor structure that is lightweight yet has strength is realized.

次の特許文献2では、施工時にボルト・ナットの締め付け作業が不要な連結構造が開示されている。この連結構造は、主材および副材と称する二部材を一体化するもので、副材には、金具などを介して棒状の寄せ具を取り付ける。寄せ具の先端は、副材の表面から飛び出すように配置し、これを主材に加工した保持穴に入り込む。さらに寄せ具の先端には、フランジ状の突出片を設けてあり、保持穴に拘束具を埋め込むことで、突出片の変位が規制され、主材と副材が連結される。したがって施工時は、主材と副材を所定の配置で接触させた後、保持穴に拘束具を埋め込むだけで連結作業が完了する。そして特許文献2では、主材や副材にCLTを用いることも想定されている。 The following Patent Document 2 discloses a connecting structure that does not require tightening of bolts and nuts during construction. In this connecting structure, two members called a main material and an auxiliary material are integrated, and a rod-shaped gathering tool is attached to the auxiliary material via a metal fitting or the like. The tip of the pulling tool is arranged so as to protrude from the surface of the auxiliary material, and enters the holding hole processed into the main material. Further, a flange-shaped projecting piece is provided at the tip of the gathering tool, and by embedding the restraint in the holding hole, the displacement of the projecting piece is regulated and the main material and the auxiliary material are connected. Therefore, at the time of construction, the connection work is completed only by contacting the main material and the auxiliary material in a predetermined arrangement and then embedding a restraint in the holding hole. Further, in Patent Document 2, it is assumed that CLT is used as a main material and a secondary material.

特開2017−25524号公報Japanese Unexamined Patent Publication No. 2017-25524 特開2017−2526号公報JP-A-2017-2526

CLTは、その剛性の高さから、建物の上下の階を区画する構造材として水平に敷設することも可能で、これによって建物の内部構造が簡素化するなど、様々な利点がある。このようにCLTを水平に敷設し、その上面または下面に別のCLTを直立させる場合、強度を確保するため、双方を強固に連結する必要がある。この連結方法の具体例については、境界を跨ぐようにL字形の金物を用いる方法や、CLTの内部にボルトとナットを埋め込む方法や、境界を跨ぐようにホゾパイプを埋め込んでドリフトピンを打ち込む方法などが挙げられる。 Due to its high rigidity, CLT can be laid horizontally as a structural material for partitioning the upper and lower floors of a building, which has various advantages such as simplification of the internal structure of the building. When the CLT is laid horizontally in this way and another CLT is erected on the upper surface or the lower surface thereof, it is necessary to firmly connect the two in order to secure the strength. Specific examples of this connection method include a method of using L-shaped hardware so as to straddle the boundary, a method of embedding bolts and nuts inside the CLT, and a method of embedding a hozo pipe so as to straddle the boundary and driving a drift pin. Can be mentioned.

このような連結方法のうち、L字形の金物は、室内側に突出して内装などの設置に制約を生じるほか、露出部分が多く、結露を生じやすいなどの課題がある。また、ボルトとナットを埋め込む方法は、ボルトの頭部やナットを露出させるための手段が必要になるほか、締め付け作業が難しくなる場合もある。さらに、ホゾパイプとドリフトピンを用いる方法についても、二枚のCLTの配置によっては、ドリフトピンの打ち込みが不可能で、この方法を導入できない場合がある。 Among such connecting methods, the L-shaped hardware has problems such as protruding toward the indoor side and restricting the installation of the interior and the like, and having many exposed parts and easily causing dew condensation. In addition, the method of embedding a bolt and a nut requires a means for exposing the head of the bolt and the nut, and may make the tightening work difficult. Further, regarding the method using a hozopipe and a drift pin, depending on the arrangement of the two CLTs, it may not be possible to drive the drift pin, and this method may not be introduced.

隣接するCLT同士の連結方法については、従来技術をそのまま流用することも可能だが、前記の具体例のように、何らかの課題が残る。そこで、CLTに適した全く新しい連結方法を開発することも不可能ではない。ただし、全く新しい連結方法を開発するには、多大な労力を要するほか、需要を見通すことも難しく、製造原価が高くなりやすく、その普及を妨げる恐れがある。 Regarding the method of connecting adjacent CLTs, it is possible to use the conventional technique as it is, but as in the specific example described above, some problems remain. Therefore, it is not impossible to develop a completely new connection method suitable for CLT. However, it takes a lot of labor to develop a completely new connection method, it is difficult to predict the demand, and the manufacturing cost tends to be high, which may hinder its widespread use.

本発明はこうした実情を基に開発されたもので、主に木質系板材の据え付けに用い、壁材を床板に据え付けるなど、あらゆる形態の二部材を連結可能で、しかも強度や費用の面でも優れた連結構造の提供を目的としている。 The present invention was developed based on these circumstances, and is mainly used for installing wood-based board materials, and can connect two members in all forms such as installing wall materials on floor boards, and is also excellent in strength and cost. The purpose is to provide a connected structure.

前記の課題を解決するための請求項1記載の発明は、他方材を一方材に据え付けるための連結構造であって、前記一方材の表面に設けた凹部に埋め込むプレートと、正面板と突出板が直角に配置されている金物と、該プレートを前記一方材に固定する釘類と、該プレートと該金物を一体化するボルトと、前記他方材と該突出板を一体化するピンと、を用い、前記プレートは、前記他方材との接触によってその全体が覆い隠される大きさとしてあり、前記凹部に埋め込まれた前記プレートの表面には、前記一方材に向けて前記釘類を差し込んであり、前記正面板は、前記プレートと面接触しており、且つ前記ボルトは、該正面板から該プレートに向けて差し込んであり、前記突出板は、前記他方材に設けたスリットに差し込んであり、且つ前記ピンは、該他方材の表面から該突出板と直交するように差し込んであり、前記正面板には、前記プレートに向けて突出するホゾを設けてあり、該プレートの表面には、該ホゾを嵌め込むためのホゾ溝を設けてあり、一体化した前記プレートと前記金物を介し、前記他方材を前記一方材に据え付け、且つ前記ホゾと前記ホゾ溝との嵌め込みによってせん断荷重を伝達可能であることを特徴とする。 The invention according to claim 1 for solving the above-mentioned problems is a connecting structure for mounting the other material on one material, and has a plate embedded in a recess provided on the surface of the one material, a front plate and a protruding plate. Using metal fittings arranged at right angles, nails for fixing the plate to the one material, bolts for integrating the plate and the hardware, and pins for integrating the other material and the protruding plate. The plate has a size such that the entire plate is covered by contact with the other material, and the nails are inserted into the surface of the plate embedded in the recess toward the one material. The front plate is in surface contact with the plate, the bolt is inserted from the front plate toward the plate, and the protruding plate is inserted into a slit provided in the other material. The pin is inserted from the surface of the other material so as to be orthogonal to the projecting plate, the front plate is provided with a tenon protruding toward the plate, and the surface of the plate is provided with the tenon. A mortise groove for fitting the bolt is provided, and the other material can be installed on the one material via the integrated plate and the hardware , and the shear load can be transmitted by fitting the mortise and the mortise groove. characterized in that there.

本発明による連結構造は、隣接する二部材を一体化するためのもので、大形の木質系板材の据え付けに用いることを想定しているが、これに限定される訳ではなく、他用途にも展開可能である。また便宜上、隣接する二部材のうち、一方を一方材と称し、他方を他方材と称するものとする。そして一方材および他方材は、CLTを始めとする板材や棒材で、さらに一方材と他方材は、双方の表面同士が接触しており、本発明による連結構造により、この接触が維持されるものとする。 The connecting structure according to the present invention is for integrating two adjacent members, and is assumed to be used for installing a large wood-based board, but is not limited to this and is used for other purposes. Can also be deployed. Further, for convenience, one of the two adjacent members is referred to as one material, and the other is referred to as the other material. The one material and the other material are plate materials and bar materials such as CLT, and the surfaces of both the one material and the other material are in contact with each other, and this contact is maintained by the connecting structure according to the present invention. Shall be.

本発明は、プレートと金物と釘類とボルトとピンの五要素を中心に構成され、そのうちプレートは金属板であり、一方材の表面に加工した凹部に埋め込まれる。凹部の深さは、プレートの厚さと一致させ、埋め込み後、双方の表面が段差なく並ぶことが望ましい。さらにプレートを一方材に固定するため、プレートの表面から一方材に向け、複数本の釘類を差し込む。そのためプレートには、表裏面を貫く釘穴を設ける。 The present invention is mainly composed of five elements of a plate, hardware, nails, bolts and pins, of which the plate is a metal plate and is embedded in a recess processed on the surface of one of the materials. It is desirable that the depth of the recesses match the thickness of the plate, and that both surfaces are lined up without steps after embedding. Further, in order to fix the plate to one material, a plurality of nails are inserted from the surface of the plate toward the one material. Therefore, the plate is provided with nail holes that penetrate the front and back surfaces.

凹部は、単にプレートの埋め込みができればよい訳ではなく、プレートの変位を規制する必要があり、凹部の内周面がプレートの側周面と接触するよう、形状を調整する。ただし、プレートの側周面と凹部の内周面を完全に密着させる必要はなく、プレートの変位を規制できるならば、隙間があっても構わない。このようにプレートの変位を規制することで、プレートを介してせん断荷重を伝達することができる。 It is not enough that the recess can be embedded in the plate, but it is necessary to regulate the displacement of the plate, and the shape of the recess is adjusted so that the inner peripheral surface of the recess is in contact with the side peripheral surface of the plate. However, it is not necessary to completely bring the side peripheral surface of the plate and the inner peripheral surface of the recess into close contact with each other, and a gap may be provided as long as the displacement of the plate can be regulated. By regulating the displacement of the plate in this way, the shear load can be transmitted through the plate.

金物は、一方材と他方材との間に介在する金属部品で、正面板および突出板と称する二種類の板状の部位を有するものとする。そのうち正面板は、凹部に埋め込まれたプレートの表面に面接触する部位で、一個の金物には一枚の正面板を有する。対して突出板は、正面板から直交方向に突出する板で、他方材の表面に加工したスリットに差し込む。正面板と突出板との配置は様々で、正面板の両端から突出板が伸びる場合、金物はコの字状の外観になるが、正面板の中央から一枚の突出板が伸びる場合、金物は丁字状の外観になる。また、正面板の一端からのみ突出板が伸びる場合、金物はL字状の外観になる。 The hardware is a metal part interposed between one material and the other material, and has two types of plate-shaped parts called a front plate and a protruding plate. Among them, the front plate is a portion that comes into surface contact with the surface of the plate embedded in the recess, and one hardware has one front plate. On the other hand, the protruding plate is a plate protruding in the orthogonal direction from the front plate, and is inserted into a slit processed on the surface of the other material. The arrangement of the front plate and the protruding plate is various, and when the protruding plate extends from both ends of the front plate, the hardware has a U-shaped appearance, but when one protruding plate extends from the center of the front plate, the hardware Has a clove-like appearance. Further, when the protruding plate extends only from one end of the front plate, the hardware has an L-shaped appearance.

プレートと正面板は、単に面接触させるだけではなく、正面板に何らかの凸部を設け、これをプレートに設けた溝などに嵌め込む。この嵌め込みによって金物がプレートの表面に沿って変位することを防ぎ、プレートと金物との間でせん断荷重を伝達することができる。なおプレートは、正面板の全体を載せる大きさを有するものとする。また釘類の頭部が金物と接触しないよう、釘類の頭部をプレートに埋め込むなどの対策を講じる。 The plate and the front plate are not only brought into surface contact, but some kind of convex portion is provided on the front plate, and this is fitted into a groove or the like provided on the plate . This fitting prevents the hardware from being displaced along the surface of the plate and allows the shear load to be transmitted between the plate and the hardware. The plate shall have a size for mounting the entire front plate. In addition, take measures such as embedding the head of the nail in the plate so that the head of the nail does not come into contact with the hardware.

ボルトは、プレートと金物を離脱不能に一体化するために用い、正面板からプレートに向けて差し込み、その頭部で正面板をプレートに密着させる。したがってボルトの先部は、メネジやナットに螺合させる必要があり、プレートにメネジに設ける場合もあれば、ボルトの先部を外部に露出させ、そこにナットを螺合させる場合もある。当然ながらボルトは、一個の金物に対し、複数本を用いる。 Bolts are used to inseparably integrate the plate and hardware, insert them from the front plate toward the plate, and bring the front plate into close contact with the plate at its head. Therefore, the tip of the bolt needs to be screwed into the female screw or nut, and in some cases, the tip of the bolt is provided on the female screw in the plate, or the tip of the bolt is exposed to the outside and the nut is screwed there. As a matter of course, a plurality of bolts are used for one piece of hardware.

ピンは、金物と他方材を一体化するために用い、他方材の表面から差し込み、突出板を貫く。なおピンを差し込むため、他方材には、スリットと交差する穴をあらかじめ加工しておく。そして施工時は、まず一方材に金物を固定し、次に他方材を移動させ、そのスリットに突出板を差し込み、一方材と他方材を面接触させる。その後、他方材の表面から突出板に向けてピンを差し込むと、ピンを介して金物と他方材が一体化する。ピンについては、ドリフトピンのほか、ボルトを用いることもある。 The pin is used to integrate the hardware and the other material, and is inserted from the surface of the other material and penetrates the protruding plate. In order to insert the pin, the other material is pre-processed with a hole that intersects the slit. At the time of construction, the hardware is first fixed to one material, then the other material is moved, a protruding plate is inserted into the slit, and the one material and the other material are brought into surface contact. After that, when a pin is inserted from the surface of the other material toward the protruding plate, the hardware and the other material are integrated via the pin. As for the pin, in addition to the drift pin, a bolt may be used.

このように、プレートを介して一方材に金物を固定し、金物を介して一方材と他方材を連結することで、一方材の表面にプレートを埋め込むことができるならば、あらゆる形態の二部材を無理なく連結可能で、汎用性に優れる。なお実際の施工時は、まず一方材に凹部を加工し、そこにプレートを埋め込んで釘類を差し込み、次にボルトで金物を固定し、最後に金物の突出板を他方材のスリットに差し込み、他方材の表面から突出板に向けてピンを差し込む。 In this way, if the plate can be embedded in the surface of one material by fixing the hardware to one material via the plate and connecting the one material and the other material via the hardware, the two members of all forms. Can be connected without difficulty and has excellent versatility. In actual construction, first process a recess in one material, embed a plate in it, insert nails, then fix the hardware with bolts, and finally insert the protruding plate of the hardware into the slit of the other material. On the other hand, insert a pin from the surface of the material toward the protruding plate.

請求項2記載の発明は、せん断荷重に対する強度を向上するためのもので、プレートの側周面および凹部の内周面には、外側または内側に湾曲する噛み合い部を設け、該噛み合い部では、該プレートと該凹部が嵌まり込むことを特徴とする。一方材と他方材との間に作用するせん断荷重は、プレートの側周面と凹部の内周面との接触によって伝達される。そのため、請求項2記載の発明のように、プレートの側周面の形状を複雑化し、プレートの側周面および凹部の内周面に噛み合い部を設けることで、双方の接触面積が増大し、より大きなせん断荷重を伝達可能になる。 The invention according to claim 2 is for improving the strength against a shear load. A meshing portion that curves outward or inward is provided on the side peripheral surface of the plate and the inner peripheral surface of the recess, and the meshing portion is provided. It is characterized in that the plate and the recess are fitted. The shear load acting between one material and the other material is transmitted by contact between the side peripheral surface of the plate and the inner peripheral surface of the recess. Therefore, as in the invention of claim 2, the shape of the side peripheral surface of the plate is complicated, and the contact area between the two is increased by providing the meshing portion on the side peripheral surface of the plate and the inner peripheral surface of the recess. It becomes possible to transmit a larger shear load.

請求項2において、「外側または内側に湾曲する」とは、単純な直線状の側周面を有するプレートを基準として、局地的に外側または内側に湾曲した区間を設けたことを意味する。なおこの湾曲形状に限定はなく、ノコギリの刃のような直線状や、曲面で構成される波状など、自在に選択可能である。さらに「外側または内側に湾曲する」区間については、プレートと凹部が嵌まり込んで噛み合うよう、双方の形状を一致させ、せん断荷重を確実に伝達できるようにする。 In claim 2, "curved outward or inward" means that a section that is locally curved outward or inward is provided with reference to a plate having a simple linear side peripheral surface. The curved shape is not limited, and can be freely selected from a straight line like a saw blade and a wavy shape composed of curved surfaces. Further, for the section "curved outward or inward", the shapes of both are matched so that the plate and the recess are fitted and meshed with each other so that the shear load can be reliably transmitted.

請求項1記載の発明のように、プレートや金物などで構成される連結構造を用いることで、一方材の表面にプレートを埋め込むことができ、さらに他方材にピンが差し込み可能であれば、あらゆる形態の二部材を連結することができる。そのため、直角に交わる二枚のCLTも強固に連結可能で、骨格構造にCLTを用いた建物の普及にも貢献する。なお従来、水平に敷設したCLTの中間部に他のCLTを直立させるには、相応の手間を要していたが、本発明では双方を容易に連結可能である。 As long as a plate can be embedded in the surface of one material and a pin can be inserted into the other material by using a connecting structure composed of a plate, hardware, or the like as in the invention of claim 1, any material can be used. The two members of the form can be connected. Therefore, two CLTs that intersect at right angles can be firmly connected, which also contributes to the spread of buildings that use CLT for the skeletal structure. In the past, it took a considerable amount of time and effort to erect another CLT in the middle portion of a horizontally laid CLT, but in the present invention, both can be easily connected.

本発明では、一方材の凹部にプレートを埋め込むため、せん断荷重に対して十分な強度を有し、構造材の据え付けに適している。また金物は、従来の製品をそのまま流用可能で、プレートだけを新たに製造すればよいため、本発明の実施に際し、費用が過度に上昇することはない。そのほか一枚のプレートに対し、複数個の金物を組み合わせることも可能で、大規模な連結構造であっても、専用の金物を用いる必要はない。 In the present invention, since the plate is embedded in the recess of the one-sided material, it has sufficient strength against a shear load and is suitable for installing a structural material. Further, as the hardware, the conventional product can be used as it is, and only the plate needs to be newly manufactured. Therefore, the cost does not increase excessively when the present invention is carried out. In addition, it is possible to combine a plurality of hardware for one plate, and even if it is a large-scale connection structure, it is not necessary to use a dedicated hardware.

請求項2記載の発明のように、プレートの側周面および凹部の内周面には、外側また内側に湾曲する噛み合い部を設けることで、プレートの側周面と凹部の内周面との接触面積が増大し、より大きなせん断荷重を伝達可能になる。 As in the invention of claim 2, the side peripheral surface of the plate and the inner peripheral surface of the recess are provided with meshing portions that are curved outward or inward so that the side peripheral surface of the plate and the inner peripheral surface of the recess are provided. The contact area is increased and a larger shear load can be transmitted.

本発明による連結構造の構成例を示す斜視図で、水平に展開する一方材の上面に壁状の他方材を据え付けることを想定している。In the perspective view showing the configuration example of the connecting structure according to the present invention, it is assumed that the wall-shaped other material is installed on the upper surface of the horizontally developed one material. 図1の各要素を連結する過程を示す斜視図で、図の上方には、一方材に金物を固定した状態を描いてあり、図の下方には、他方材を据え付けた状態を描いてある。In the perspective view showing the process of connecting the elements of FIG. 1, the state in which the hardware is fixed to one material is drawn in the upper part of the figure, and the state in which the other material is installed is drawn in the lower part of the figure. .. 図1の連結構造を発展させ、一方材の上下両面に他方材を据え付ける場合を示す斜視図である。It is a perspective view which shows the case where the connecting structure of FIG. 1 is developed and the other material is installed on both the upper and lower sides of one material. 図3の最終形態を示す斜視図で、上下の他方材で一方材を挟み込み、十字状の縦断面が形成される。In the perspective view showing the final form of FIG. 3, one material is sandwiched between the upper and lower other materials to form a cross-shaped vertical cross section.

図1は、本発明による連結構造の構成例を示し、水平に展開する一方材41の上面に壁状の他方材51を据え付けることを想定している。ここでは、一方材41と他方材51のいずれも、CLTなど、相応の厚さを有する板材で、一方材41は、水平に敷設される広大な板材だが、図1では、その一部だけを切り出して描いてある。また他方材51は、壁面を構成する板材だが、同様に、その一部だけを切り出して描いてある。他方材51は、一方材41の端部から離れた中間部に配置され、一方材41と他方材51は、丁字を上下反転させたような状態で隣接する。 FIG. 1 shows a configuration example of a connecting structure according to the present invention, and it is assumed that a wall-shaped other member 51 is installed on the upper surface of a horizontally deployed one member 41. Here, both the one material 41 and the other material 51 are plate materials having an appropriate thickness such as CLT, and the one material 41 is a vast plate material laid horizontally, but in FIG. 1, only a part thereof is used. It is cut out and drawn. The other material 51 is a plate material constituting the wall surface, but similarly, only a part thereof is cut out and drawn. The other material 51 is arranged in an intermediate portion away from the end portion of the one material 41, and the one material 41 and the other material 51 are adjacent to each other in a state where the cloves are turned upside down.

プレート11は、鋼板を切り抜いたものだが、その側周面は単純な直線状ではなく、一部区間を外側に突出させ、噛み合い部14を設けてある。図1では、計六か所に噛み合い部14があり、プレート11は串団子のような外観となっている。また一方材41の上面には、プレート11を埋め込むため、凹部42を加工してある。凹部42の深さはプレート11の厚さと揃えてあり、プレート11の埋め込み後、双方の表面は段差なく並ぶ。さらに凹部42には、プレート11と同様、噛み合い部44を加工してある。プレート11と凹部42の双方の噛み合い部14、44は、隙間なく嵌まり込み、プレート11の変位を規制する。 The plate 11 is obtained by cutting out a steel plate, but its side peripheral surface is not a simple straight line, but a part of the section is projected outward, and a meshing portion 14 is provided. In FIG. 1, there are meshing portions 14 at a total of six places, and the plate 11 has an appearance like a skewer dumpling. Further, a recess 42 is processed on the upper surface of the one-sided material 41 in order to embed the plate 11. The depth of the recess 42 is aligned with the thickness of the plate 11, and after embedding the plate 11, both surfaces are lined up without a step. Further, the recess 42 is processed with a meshing portion 44 as in the plate 11. The meshing portions 14, 44 of both the plate 11 and the recess 42 are fitted without gaps to regulate the displacement of the plate 11.

プレート11を凹部42に埋め込んだ後、プレート11を一方材41に固定するため、プレート11から一方材41に向け、釘類19を差し込む。釘類19については、ネジ釘や平頭釘など、様々のものを使用できるが、図1では引き抜けを防ぐため、ネジ釘を用いている。釘類19を差し込むため、プレート11には、表裏面を貫く釘穴17を設けてある。なお強度を確保するため、図1では、釘穴17を計十二か所としてあり、さらに釘類19の頭部を埋め込むため、個々の釘穴17の入口には、内径を拡大したザグリ18を設けてある。 After embedding the plate 11 in the recess 42, in order to fix the plate 11 to the one-sided material 41, the nails 19 are inserted from the plate 11 toward the one-sided material 41. As the nails 19, various nails such as screw nails and flat head nails can be used, but in FIG. 1, screw nails are used to prevent pulling out. In order to insert the nails 19, the plate 11 is provided with nail holes 17 penetrating the front and back surfaces. In order to ensure strength, there are twelve nail holes 17 in total in FIG. 1, and in order to embed the heads of the nails 19, counterbore 18 having an enlarged inner diameter is provided at the entrance of each nail hole 17. Is provided.

金物21は、鋼板を折り曲げてコの字状に成形したもので、プレート11の上面に配置し、他方材51を据え付ける役割を担う。なお図1では、金物21を寝かせた状態で使用するが、その形状を示すため、図1の左上には、金物21を直立させた状態を描いてある。金物21は、細長い正面板23の左右両端から突出板24が伸びた形状で、正面板23と突出板24は直角で、正面板23には三個のホゾ25を設けてある。 The metal fitting 21 is formed by bending a steel plate into a U shape, is arranged on the upper surface of the plate 11, and has a role of installing the other material 51. In FIG. 1, the hardware 21 is used in a laid state, but in order to show its shape, a state in which the hardware 21 is upright is drawn in the upper left of FIG. The hardware 21 has a shape in which projecting plates 24 extend from the left and right ends of the elongated front plate 23, the front plate 23 and the projecting plate 24 are at right angles, and the front plate 23 is provided with three tenons 25.

ホゾ25は、正面板23を円筒状に押し出したもので、これがプレート11の表面中央に設けたホゾ溝15に嵌まり込むことで、金物21の変位を規制する。なおホゾ25の中心には、中穴26を設けてあるほか、ホゾ溝15の底面の中心には、メネジ16を設けてある。また突出板24は二枚とも同形状で、一組のピン溝27と、三組のピン穴28を設けてある。 The tenon 25 is a cylindrically extruded front plate 23, which is fitted into a tenon groove 15 provided in the center of the surface of the plate 11 to regulate the displacement of the hardware 21. A middle hole 26 is provided in the center of the tenon 25, and a female screw 16 is provided in the center of the bottom surface of the tenon groove 15. Both of the protruding plates 24 have the same shape, and are provided with a set of pin grooves 27 and three sets of pin holes 28.

金物21は、正面板23を下に向けてプレート11の上面に載せるが、その際、ホゾ25をホゾ溝15に嵌め込む。さらに金物21をプレート11に固定するため、二枚の突出板24の間からボルト29を差し込む。ボルト29は、必然的にホゾ25と同心で配置され、ボルト29の先部は、中穴26を経てプレート11のメネジ16に螺合させる。なおボルト29の頭部は、ホゾ25の内部に収容され、正面板23よりも上に突出することはなく、他方材51の据え付けを妨げない。そのほか正面板23は、一部の釘穴17を塞ぐが、ザグリ18により、釘類19と接触することはない。 The hardware 21 is placed on the upper surface of the plate 11 with the front plate 23 facing downward, and at that time, the tenon 25 is fitted into the tenon groove 15. Further, in order to fix the hardware 21 to the plate 11, a bolt 29 is inserted between the two protruding plates 24. The bolt 29 is inevitably arranged concentrically with the tenon 25, and the tip of the bolt 29 is screwed into the female screw 16 of the plate 11 through the middle hole 26. The head of the bolt 29 is housed inside the tenon 25 and does not protrude above the front plate 23, and does not interfere with the installation of the other member 51. In addition, the front plate 23 closes a part of the nail holes 17, but the counterbore 18 does not come into contact with the nails 19.

他方材51の下面には、突出板24を差し込むため、二列のスリット54を加工してある。スリット54は、他方材51の下面の全域に加工してある訳ではなく、金物21が配置される区間だけに限定してある。また他方材51の側面には、スリット54と交差する側穴57を加工してある。側穴57は、突出板24のピン溝27やピン穴28と同心となるように配置してあり、施工時はこれらを同心に揃えた後、側穴57にピン59を差し込む。図1のピン59はドリフトピンで、摩擦によって他方材51の内部に固定される。そのほか正面板23を埋め込むため、二列のスリット54の間には、他方材51の下面を削った段部53を設けてある。 On the other hand, two rows of slits 54 are processed on the lower surface of the material 51 in order to insert the protruding plate 24. The slit 54 is not processed in the entire lower surface of the other material 51, but is limited to the section in which the hardware 21 is arranged. On the other side of the material 51, a side hole 57 that intersects the slit 54 is machined. The side holes 57 are arranged so as to be concentric with the pin grooves 27 and the pin holes 28 of the protruding plate 24, and at the time of construction, these are aligned concentrically, and then the pins 59 are inserted into the side holes 57. The pin 59 in FIG. 1 is a drift pin and is fixed to the inside of the other material 51 by friction. In addition, in order to embed the front plate 23, a step portion 53 in which the lower surface of the other material 51 is cut is provided between the two rows of slits 54.

図2は、図1の各要素を連結する過程を示している。まずは図2の上方に描くように、凹部42にプレート11を埋め込み、さらに釘類19を差し込み、プレート11を一方材41に固定する。この段階において、プレート11と一方材41の双方の上面は段差なく並ぶ。またプレート11の側周面と凹部42の内周面は、噛み合い部14、44を含む全域で隙間なく接触しており、プレート11と一方材41との間で、確実に水平荷重が伝達される。そしてプレート11の固定後、その上面に金物21を載せ、ボルト29で金物21をプレート11に固定する。 FIG. 2 shows the process of connecting the elements of FIG. First, as shown in the upper part of FIG. 2, the plate 11 is embedded in the recess 42, and the nails 19 are further inserted to fix the plate 11 to the one-sided member 41. At this stage, the upper surfaces of both the plate 11 and the one-sided material 41 are lined up without a step. Further, the side peripheral surface of the plate 11 and the inner peripheral surface of the recess 42 are in close contact with each other in the entire area including the meshing portions 14 and 44, and the horizontal load is reliably transmitted between the plate 11 and the one-sided member 41. To. Then, after fixing the plate 11, the metal fitting 21 is placed on the upper surface thereof, and the metal fitting 21 is fixed to the plate 11 with the bolt 29.

図2の上方に描くように、プレート11を介して一方材41に金物21を固定した後、一方材41の上面に他方材51の下面を載せ、双方を面接触させ、さらに他方材51の側穴57が金物21のピン溝27やピン穴28と同心に揃うよう、位置を調整し、最後に側穴57にピン59を差し込む。この一連の作業を終えると、図2の下方に描くように、他方材51の据え付けが完了し、一方材41と他方材51は、丁字を上下反転させたような状態で連結される。なおピン59は、ピン溝27やピン穴28を貫き、埋め込み後は摩擦で強固に保持され、自然に脱落することはない。 As shown in the upper part of FIG. 2, after fixing the metal fitting 21 to the one material 41 via the plate 11, the lower surface of the other material 51 is placed on the upper surface of the one material 41, both are brought into surface contact, and further, the other material 51 Adjust the position so that the side hole 57 is concentrically aligned with the pin groove 27 and the pin hole 28 of the hardware 21, and finally insert the pin 59 into the side hole 57. When this series of operations is completed, as shown in the lower part of FIG. 2, the installation of the other material 51 is completed, and the one material 41 and the other material 51 are connected in a state where the cloves are turned upside down. The pin 59 penetrates the pin groove 27 and the pin hole 28, is firmly held by friction after being embedded, and does not fall off naturally.

図2のように、本発明では、釘類19でプレート11を固定するため、一方材41の表面のあらゆる位置に金物21を固定することができる。そのためCLTの表面や端面など、様々な部位で二部材を連結可能で、極めて汎用性が高い。また本発明では、施工後に外部に露出するのがピン59の端面だけで、プレート11や金物21は完全に覆い隠され、美観を悪化させることがないほか、結露を生じにくい。なお図2は、建物の骨格構造にCLTを用いた場合を想定しており、一方材41が床板に相当し、他方材51が壁材に相当し、双方を強固に連結することで、建物の剛性を確保する。 As shown in FIG. 2, in the present invention, since the plate 11 is fixed by the nails 19, the metal fitting 21 can be fixed at any position on the surface of the one-sided member 41. Therefore, it is possible to connect two members at various parts such as the surface and end face of CLT, and it is extremely versatile. Further, in the present invention, only the end surface of the pin 59 is exposed to the outside after construction, and the plate 11 and the hardware 21 are completely covered up, which does not deteriorate the aesthetic appearance and is less likely to cause dew condensation. Note that FIG. 2 assumes the case where CLT is used for the skeleton structure of the building. One material 41 corresponds to the floor board and the other material 51 corresponds to the wall material. By firmly connecting both of them, the building is constructed. To ensure the rigidity of.

図3は、図1の連結構造を発展させ、一方材41の上下両面に他方材51を据え付ける場合を示している。本発明による連結構造は、プレート11と金物21を配置できるならば、あらゆる箇所に使用可能で、図3のように、水平に敷設される一方材41の上下両面に他方材51を据え付けることもできる。その場合、一方材41の上下両面に凹部42を加工し、個々の凹部42にプレート11を埋め込み、そこに金物21を取り付け、金物21の突出板24を他方材51のスリット54に差し込む。図3では、上下の凹部42が垂直線上に段差なく並んでおり、上下の他方材51が一体的な内壁を形成する。なおプレート11のメネジ16は、この図に描くように、有底ではなく、プレート11を貫いている。 FIG. 3 shows a case where the connecting structure of FIG. 1 is developed and the other material 51 is installed on both the upper and lower surfaces of the one material 41. The connecting structure according to the present invention can be used in any place as long as the plate 11 and the hardware 21 can be arranged, and as shown in FIG. 3, the other material 51 can be installed on both the upper and lower sides of the horizontally laid one material 41. it can. In that case, recesses 42 are machined on both the upper and lower surfaces of the one-sided material 41, plates 11 are embedded in the individual recesses 42, the hardware 21 is attached thereto, and the protruding plate 24 of the hardware 21 is inserted into the slit 54 of the other material 51. In FIG. 3, the upper and lower recesses 42 are lined up on the vertical line without a step, and the upper and lower other members 51 form an integral inner wall. As shown in this figure, the female screw 16 of the plate 11 is not bottomed but penetrates the plate 11.

図4は、図3の最終形態を示しており、上下の他方材51で一方材41を挟み込み、十字状の縦断面が形成される。この図に描くように、本発明は、一方材41の中間部(端部から離れた箇所)でも、無理なく他方材51を据え付け可能で、図4の形態のほか、相応の厚さを有する部材の端面でも使用可能である。そのため、建物の骨格構造として全面的にCLTを用いる場合、二枚のCLTが隣接するあらゆる箇所で、本発明を使用することができる。 FIG. 4 shows the final form of FIG. 3, in which the one member 41 is sandwiched between the upper and lower other members 51 to form a cross-shaped vertical cross section. As shown in this figure, according to the present invention, the other material 51 can be easily installed even in the middle portion (a portion away from the end portion) of the one material 41, and has a suitable thickness in addition to the form shown in FIG. It can also be used on the end face of the member. Therefore, when CLT is used entirely as the skeletal structure of a building, the present invention can be used everywhere where two CLTs are adjacent to each other.

11 プレート
14 噛み合い部
15 ホゾ溝
16 メネジ
17 釘穴
18 ザグリ
19 釘類
21 金物
23 正面板
24 突出板
25 ホゾ
26 中穴
27 ピン溝
28 ピン穴
29 ボルト
41 一方材
42 凹部
44 噛み合い部
51 他方材
53 段部
54 スリット
57 側穴
59 ピン
11 Plate 14 Engagement part 15 Mortise groove 16 Female screw 17 Nail hole 18 Counterbore 19 Nails 21 Hardware 23 Front plate 24 Protruding plate 25 Mortise 26 Middle hole 27 Pin groove 28 Pin hole 29 Bolt 41 One material 42 Recess 44 Engagement part 51 Other material 53 Step 54 Slit 57 Side hole 59 Pin

Claims (2)

他方材(51)を一方材(41)に据え付けるための連結構造であって、
前記一方材(41)の表面に設けた凹部(42)に埋め込むプレート(11)と、正面板(23)と突出板(24)が直角に配置されている金物(21)と、該プレート(11)を前記一方材(41)に固定する釘類(19)と、該プレート(11)と該金物(21)を一体化するボルト(29)と、前記他方材(51)と該突出板(24)を一体化するピン(59)と、を用い、
前記プレート(11)は、前記他方材(51)との接触によってその全体が覆い隠される大きさとしてあり、
前記凹部(42)に埋め込まれた前記プレート(11)の表面には、前記一方材(41)に向けて前記釘類(19)を差し込んであり、
前記正面板(23)は、前記プレート(11)と面接触しており、且つ前記ボルト(29)は、該正面板(23)から該プレート(11)に向けて差し込んであり、
前記突出板(24)は、前記他方材(51)に設けたスリット(54)に差し込んであり、且つ前記ピン(59)は、該他方材(51)の表面から該突出板(24)と直交するように差し込んであり、
前記正面板(23)には、前記プレート(11)に向けて突出するホゾ(25)を設けてあり、該プレート(11)の表面には、該ホゾ(25)を嵌め込むためのホゾ溝(15)を設けてあり、
一体化した前記プレート(11)と前記金物(21)を介し、前記他方材(51)を前記一方材(41)に据え付け、且つ前記ホゾ(25)と前記ホゾ溝(15)との嵌め込みによってせん断荷重を伝達可能であることを特徴とする連結構造。
It is a connecting structure for installing the other material (51) on the one material (41).
A plate (11) embedded in a recess (42) provided on the surface of the one-sided material (41), a metal fitting (21) in which a front plate (23) and a protruding plate (24) are arranged at right angles, and the plate ( The nails (19) that fix the 11) to the one material (41), the bolt (29) that integrates the plate (11) and the hardware (21), the other material (51) and the protruding plate. Using the pin (59) that integrates (24),
The plate (11) has a size such that the entire plate (11) is covered by contact with the other material (51).
The nails (19) are inserted into the surface of the plate (11) embedded in the recess (42) toward the one member (41).
The front plate (23) is in surface contact with the plate (11), and the bolt (29) is inserted from the front plate (23) toward the plate (11).
The protruding plate (24) is inserted into a slit (54) provided in the other material (51), and the pin (59) is connected to the protruding plate (24) from the surface of the other material (51). It is inserted so that it is orthogonal,
The front plate (23) is provided with a tenon (25) protruding toward the plate (11), and a tenon groove for fitting the tenon (25) is provided on the surface of the plate (11). (15) is provided,
By installing the other material (51) on the one material (41) via the integrated plate (11) and the hardware (21) , and by fitting the tenon (25) and the tenon groove (15). A connected structure characterized in that a shear load can be transmitted .
前記プレート(11)の側周面および前記凹部(42)の内周面には、外側または内側に湾曲する噛み合い部(14、44)を設け、該噛み合い部(14、44)では、該プレート(11)と該凹部(42)が嵌まり込むことを特徴とする請求項1記載の連結構造。 The side peripheral surface of the plate (11) and the inner peripheral surface of the recess (42) are provided with meshing portions (14, 44) that are curved outward or inward, and the meshing portion (14, 44) is the plate. The connecting structure according to claim 1, wherein (11) and the recess (42) are fitted.
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