JP2023125475A - Plate material joining structure - Google Patents
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- 239000000463 material Substances 0.000 title claims abstract description 136
- 238000005304 joining Methods 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 2
- 230000002250 progressing effect Effects 0.000 abstract 4
- 238000000034 method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Abstract
Description
特許法第３０条第２項適用申請有り 竣工日（公開日）：２０２１年８月５日 公開場所：大阪府大阪市浪速区恵美須西３丁目１６－３０ ＯＭＯ７大阪 ｂｙ星野リゾート 公開者：ＴＫＫ株式会社Application for application of Article 30, Paragraph 2 of the Patent Act Completion date (publication date): August 5, 2021 Publication location: OMO7 Osaka by Hoshino Resorts, 3-16-30 Ebisu Nishi, Naniwa-ku, Osaka-shi, Osaka Publisher: TKK Stocks company
この発明は、板材の接合構造に関するものである。 The present invention relates to a joining structure for plate materials.
従来、板材同士を接合する場合には、溶接していた。詳しくは、例えば、一方の板材の側面を、他方の板材の平面上に接合する場合で説明する。 Conventionally, plates were joined together by welding. In detail, for example, a case will be explained in which the side surface of one plate is joined onto the flat surface of the other plate.
一方の板材を接合する、他方の板材の平面上の位置を、測量用のメジャーで測り、該当する位置に線を引く等して、マーキングする。そして、マーキングした位置に、一方の板材の側面を溶接する。 Measure the position on the plane of the other plate where one plate is to be joined using a surveying tape, and mark the corresponding position by drawing a line or the like. Then, weld the side surface of one of the plates to the marked position.
溶接を行う前に、溶接個所をガイドするためマーキングを行う具体例として、特許文献１を示す。特許文献１では、建設機械に設けられるシートサポート用部材を、レーザー切断機で鋼板を切り出して形成するにあたり、該レーザー切断機でシートサポート用部材を切り出すレーザー加工工程のなかで、シートサポート用部材に取付けられる部品の取付け位置を、レーザーの出力を低下させることでシートサポート用部材に罫書きするマーキング作業を行う構成が開示されている。 Patent Document 1 is shown as a specific example of marking to guide the welding location before welding. In Patent Document 1, when forming a seat support member provided in a construction machine by cutting out a steel plate with a laser cutting machine, the seat support member is A configuration is disclosed in which a marking operation is performed in which the attachment position of a component to be attached to a seat support member is marked on a seat support member by lowering the output of a laser.
しかし、板材同士を溶接する構成では、作業の際に、板材の位置がずれてしまう等、正確に板材同士を溶接することが難しかった。またそもそも、線等のマーキングにも幅があるため、マーキングした位置に板材を合わせて正確に溶接することも難しかった。 However, in the configuration in which the plates are welded together, it is difficult to weld the plates together accurately, such as the positions of the plates being shifted during work. Furthermore, since markings such as lines have a wide range, it was difficult to align the plate material with the marked position and weld accurately.
また、板材同士の接合箇所は、「仕口」と呼ばれ、各部材に生じる力が集中し、その大きさや方向が変わるところである。特に、木造や鉄骨造のように、部材を組み立てる（＝板材を接合する）工法を採用する場合には、構造上の弱点になりやすく、その安全性が確保された設計を行うことが重要になる。従って、仕口も十分な強度と剛性をもち、ずれや緩みを少なくして、構造物の骨組の変形に追随できる粘り強さを持たせなければならない。 Furthermore, the joints between plates are called ``shiguchi'', where the forces generated in each member concentrate and change in magnitude and direction. In particular, when using a method of assembling members (joining plates), such as with wooden or steel structures, structural weaknesses are likely to occur, so it is important to design a structure that ensures safety. Become. Therefore, the shiguchi must also have sufficient strength and rigidity, reduce slippage and loosening, and have the tenacity to follow the deformation of the structure's frame.
そのため、鉄骨造の施工方法に関する標準的な要領を定めた「建築工事標準仕様書JASS６鉄骨工事」において、仕口のずれ（e）の許容範囲が以下の通り定められており、式１及び式２の両方を満たす必要がある。 Therefore, in the "Architectural Work Standard Specifications JASS 6 Steel Construction", which stipulates standard guidelines for construction methods of steel structures, the allowable range of the gap (e) of the joint is defined as follows, and formula 1 and formula It is necessary to satisfy both of 2.
（式１）
e=２t／１５≦１．２
なお、上記「t」は、部材（板材）の厚さを示す。
(Formula 1)
e=2t/15≦1.2
Note that "t" above indicates the thickness of the member (plate material).
（式２）
e≦３
(Formula 2)
e≦3
従って、上記板材同士のずれ（＝仕口のずれe）の許容範囲を満たす意味でも、正確に板材同士を溶接する必要があるが、それは難しかった。 Therefore, it is necessary to accurately weld the plates to each other in order to satisfy the above-mentioned tolerance for the deviation between the plates (=shiguchi deviation e), but this has been difficult.
そこで、上記問題点に対処するため、板材同士の接合を正確に行うことができる、板材接合構造を提供することを目的とする。 Therefore, in order to deal with the above-mentioned problems, it is an object of the present invention to provide a plate joining structure that can accurately join plate materials.
前記目的を達成するため、請求項１に係る発明は、
金属製の第１の板材と金属製の第２の板材と金属製の第３の板材を用いた板材接合構造であって、
前記第１の板材は、横長にした上端から下方向に向かう第１切れ込みが、長手方向に所定の間隔で複数設けられ、
前記第２の板材は、横長にした上端から下方向に向かう上切れ込みと、当該上切れ込みと同一直線状に下端から上方向に向かう下切れ込みからなる一対の切れ込みが、長手方向に所定の間隔で複数設けられ、
前記第３の板材は、横長にした下端から上方向に向かう第３切れ込みが、長手方向に所定の間隔で複数設けられ、
前記第１の板材に係る各前記第１切れ込みに、前記第２の板材に係る各前記下切れ込みが嵌合されて、第１の板体と第２の板体が接合され、
前記第２の板材に係る各前記上切れ込みに、前記第３の板材に係る各前記第３切れ込みが嵌合されて、前記第１の板材、前記第２の板材及び前記第３の板材が接合される、板材接合構造とした。
In order to achieve the above object, the invention according to claim 1:
A plate joining structure using a first metal plate, a second metal plate, and a third metal plate,
The first plate material is provided with a plurality of first cuts extending downward from the horizontally elongated upper end at predetermined intervals in the longitudinal direction,
The second board has a pair of notches at predetermined intervals in the longitudinal direction, including an upper notch extending downward from the horizontally elongated upper end and a lower notch extending upward from the lower end in the same straight line as the upper notch. There are multiple
The third plate material is provided with a plurality of third notches extending upward from the horizontally elongated lower end at predetermined intervals in the longitudinal direction,
Each of the lower notches of the second plate material is fitted into each of the first notches of the first plate material, so that the first plate body and the second plate body are joined,
Each of the third notches related to the third plate material is fitted into each of the upper notches related to the second plate material, and the first plate material, the second plate material, and the third plate material are joined. It has a board-joined structure.
また、請求項２に係る発明は、
前記第１の板材に複数設けられている第１切れ込みの間隔と、前記第２の板材に複数設けられている前記一対の切れ込みの間隔と、前記第３の板材に複数設けられている第３切れ込みの間隔が、同一である、請求項１に記載の板材接合構造とした。
Moreover, the invention according to claim 2 is:
an interval between a plurality of first notches provided on the first plate material, an interval between a pair of said notches provided in a plurality on the second plate material, and a third notch provided in a plurality on the third plate material. The plate joining structure according to claim 1, wherein the intervals between the notches are the same.
また、請求項３に係る発明は、
前記第１の板材に係る前記第１切れ込みの底部から前記第１の板材の下端までの長さと、前記第２の板材に係る前記下切れ込みの深さが、同一であり、
前記第２の板材に係る前記上切れ込みの深さと、前記第３の板材の上端から前記第３切れ込みの底部までの長さが、同一である、請求項１又は２に記載の板材接合構造とした。
Moreover, the invention according to claim 3 is:
The length from the bottom of the first cut in the first plate to the lower end of the first plate is the same as the depth of the lower cut in the second plate,
The plate joining structure according to claim 1 or 2, wherein the depth of the upper notch in the second plate is the same as the length from the upper end of the third plate to the bottom of the third notch. did.
また、請求項４に係る発明は、
前記第１の板材と前記第２の板材と前記第３の板材のいずれかは、同一の板材同士が継ぎ足されたものであり、
継ぎ足される一方の板材の側端部に、段部を介して該当箇所のみ背面側から厚さが薄くなった第１接合部が設けられ、他方の板材の側端部に、段部を介して該当箇所のみ前面側から厚さが薄くなった第２接合部が設けられ、
これらの板材の継ぎ足しは、
前記一方の板材の第１接合部に螺子孔を穿ち、前記他方の板材の第２接合部に皿螺子の皿部分を収納し、当該皿螺子の螺子部分を貫通させる貫通孔を設け、
継ぎ足される前記一方の板材の第１接合部と前記他方の板材の第２接合部を重合させ、前記皿螺子の皿部分を前記第２接合部の貫通孔に収納させ、更に、前記皿螺子の螺子部分を前記第１接合部の螺子孔に螺着させて接合される、請求項１～３のいずれかに記載の板材接合構造とした。
Moreover, the invention according to claim 4 is:
Either the first plate material, the second plate material, or the third plate material is the same plate material joined together,
A first joining part is provided at the side end of one of the plates to be spliced, through the step, and the thickness is reduced from the back side only at the relevant part, and a first joint is provided at the side end of the other plate, through the step. A second joint with a thinner thickness from the front side is provided only at the relevant location,
The addition of these planks is
Drilling a screw hole in the first joint part of the one plate material, storing the dish part of the countersunk screw in the second joint part of the other plate material, and providing a through hole through which the screw part of the countersunk screw passes,
The first joint part of the one plate material to be spliced and the second joint part of the other plate material are overlapped, the countersunk part of the countersunk screw is accommodated in the through hole of the second joint part, and further, the countersunk part of the countersunk screw is The board joining structure according to any one of claims 1 to 3, wherein the joining is performed by screwing a screw portion into a screw hole of the first joining portion.
請求項１～４の発明は、第１～第３の各板材に設けられている切れ込みを用いて、金属製の板材同士を接合する構成であるため、板材同士の接合を正確に行うことができ、便宜である。その結果、「建築工事標準仕様書ＪＡＳＳ６鉄骨工事」において定められている範囲内に、仕口のずれ（＝板材同士の接合のずれ）を収めることができ、便宜である。 The inventions according to claims 1 to 4 are configured to join the metal plates to each other using the notches provided in each of the first to third plates, so that the plates cannot be accurately joined to each other. It is possible and convenient. As a result, it is possible to keep the displacement of the joint (=displacement of the joint between the plates) within the range specified in the "Architectural Work Standard Specification JASS6 Steel Construction", which is convenient.
特に、請求項２の発明は、第１～第３の各板材に設けられている切れ込みの間隔が略同一であるため、第１～第３の各板材を接合した際に、第１～第３の各板材の切れ込みの間隔部分を一辺とする正三角形が形成される。 In particular, in the invention of claim 2, since the intervals between the notches provided in each of the first to third plate materials are approximately the same, when the first to third plate materials are joined, the first to third plate materials are An equilateral triangle having one side defined by the interval between the notches in each plate material No. 3 is formed.
特に、請求項３の発明は、第１の板体、第２の板体及び第３の板体の上縁及び下縁を面一で接合させることができ、便宜である。 In particular, the invention of claim 3 is convenient because the upper and lower edges of the first plate, second plate, and third plate can be joined flush.
特に、請求項４の発明は、第１接合部と、第２接合部を重合させる構成であるため、継ぎ足し（接合）箇所において、板材の厚さが他の箇所と比べて厚くなることなく、同じ厚さになるため、外観上美しい。また、皿螺子を用いて螺着し、皿螺子の皿部分が貫通孔に収納される構成であるため、皿螺子が、板材の前面及び背面から出っ張ることがなくなり、外観上美しい。 In particular, since the invention of claim 4 has a structure in which the first joint part and the second joint part are overlapped, the thickness of the plate material does not become thicker at the joint (joint) part compared to other parts. It has a beautiful appearance because it has the same thickness. In addition, since the screw is screwed using a countersunk screw, and the countersunk portion of the countersunk screw is housed in the through hole, the countersunk screw does not protrude from the front and back surfaces of the plate material, and the appearance is beautiful.
（実施の形態例１）
以下、添付図面を参照して本発明に係る実施の形態例１を詳細に説明する。ただし、本実施の形態例に記載されている構成要素はあくまでも例示であり、本発明の範囲をそれらのみに限定する趣旨のものではない。
(Embodiment 1)
Embodiment 1 of the present invention will be described in detail below with reference to the accompanying drawings. However, the components described in this embodiment are merely examples, and the scope of the present invention is not intended to be limited thereto.
＜板材接合構造について＞
図１は、本発明の板材接合構造Ａに係る実施の形態例１の全体を示した全体図である。図１において、板材接合構造Ａは、外周に沿って端部を金属製の枠９によって囲われている。そして、図１には示されていないが、枠９を含む板材接合構造Ａは、平面に、膜状の膜屋根が被され、また、底面を、複数の支柱によって支えることで、屋根としての役割を果たす。
<About plate joining structure>
FIG. 1 is an overall view showing a first embodiment of a plate joining structure A of the present invention. In FIG. 1, the plate joining structure A is surrounded by a metal frame 9 at its end along the outer periphery. Although not shown in FIG. 1, the board joint structure A including the frame 9 has a flat surface covered with a membrane roof, and the bottom surface is supported by a plurality of pillars, so that it can be used as a roof. play a role.
板材接合構造Ａは、主として、金属製で同じ厚さ・同じ高さの板材である、第１の板材１、第２の板材２及び第３の板材３を組み合わせて形成されたものである。なお、第１の板材１、第２の板材２及び第３の板材３の厚さは、例えば９mmである。 The plate joining structure A is mainly formed by combining a first plate 1, a second plate 2, and a third plate 3, which are made of metal and have the same thickness and height. Note that the thickness of the first plate material 1, the second plate material 2, and the third plate material 3 is, for example, 9 mm.
＜第１の板材１の構成＞
第１の板材１は、図２に示すように、横長にした上端から下方向に向かう第１切れ込み１１が、長手方向に所定の間隔で複数設けられている。
<Configuration of first plate material 1>
As shown in FIG. 2, the first plate material 1 has a plurality of first notches 11 extending downward from the horizontally elongated upper end at predetermined intervals in the longitudinal direction.
＜第２の板材２の構成＞
第２の板材２は、図３に示すように、横長にした上端から下方向に向かう上切れ込み２１１と、上切れ込み２１１と同一直線状に下端から上方向に向かう下切れ込み２１２からなる一対の切れ込み２１が、長手方向に所定の間隔で複数設けられている。
<Configuration of second plate material 2>
As shown in FIG. 3, the second plate material 2 has a pair of notches, including an upper notch 211 extending downward from the horizontally elongated upper end and a lower notch 212 extending upward from the lower end in the same straight line as the upper notch 211. 21 are provided in plurality at predetermined intervals in the longitudinal direction.
＜第３の板材３の構成＞
第３の板材３は、図４に示すように、横長にした下端から上方向に向かう第３切れ込み３１が、長手方向に所定の間隔で複数設けられている。
<Configuration of third plate material 3>
As shown in FIG. 4, the third plate material 3 is provided with a plurality of third notches 31 extending upward from the laterally elongated lower end at predetermined intervals in the longitudinal direction.
第１の板材１に複数設けられている第１切れ込み１１同士の間隔と、第２の板材２に複数設けられている一対の切れ込み２１同士の間隔と、第３の板材３に複数設けられている第３切れ込み３１同士の間隔は、同一である。 The distance between the plurality of first notches 11 provided in the first plate material 1, the distance between the pair of notches 21 provided in plurality in the second plate material 2, and the distance between the plurality of first notches 11 provided in the third plate material 3. The intervals between the third notches 31 are the same.
このように、第１～第３の各板材に設けられている切れ込みの間隔が同一であるため、第１～第３の各板材を接合した際に、第１～第３の各板材の切れ込みの間隔部分を一辺とする正三角形が形成される。 In this way, since the intervals between the notches provided in each of the first to third plate materials are the same, when the first to third plate materials are joined, the notches in each of the first to third plate materials An equilateral triangle is formed whose side is the interval between .
そして、第１の板材１に係る第１切れ込み１１の底部から第１の板材１の下端までの長さ１３と、第２の板材２に係る下切れ込み２１２の深さ２１２１は、同一である。 The length 13 from the bottom of the first cut 11 of the first plate 1 to the lower end of the first plate 1 and the depth 2121 of the lower cut 212 of the second plate 2 are the same.
また、第２の板材２に係る上切れ込み２１１の深さ２１１１と、第３の板材３の上端から第３切れ込み３１の底部までの長さ３２は、同一である Further, the depth 2111 of the upper notch 211 of the second plate material 2 and the length 32 from the upper end of the third plate material 3 to the bottom of the third notch 31 are the same.
＜板材接合構造Ａの組み立ての流れ＞
図５～図７に示すように、起立状態の第１の板材１に係る各第１切れ込み１１に、第２の板材２に係る各下切れ込み２１２を、上から合わせて嵌合させ、第１の板材１に第２の板材２を接合させる。
<Assembling flow of plate joint structure A>
As shown in FIGS. 5 to 7, each of the lower notches 212 of the second plate material 2 is fitted from above into each of the first notches 11 of the first plate material 1 in the upright state. The second plate material 2 is joined to the plate material 1.
第１の板材１の高さと、第２の板材２の高さが同一であり、かつ、第１の板材１に係る第１切れ込み１１の底部から第１の板材１の下端までの長さ１３と、第２の板材２に係る下切れ込み２１２の深さ２１２１が、略同一であるため、第１の板材１及び第２の板材２の上縁及び下縁が、面一で接合される。 The height of the first plate material 1 and the height of the second plate material 2 are the same, and the length 13 from the bottom of the first notch 11 in the first plate material 1 to the lower end of the first plate material 1 Since the depth 2121 of the lower notch 212 in the second plate material 2 is substantially the same, the upper and lower edges of the first plate material 1 and the second plate material 2 are joined flush.
次に、図８及び図９に示すように、第１の板材１及び第２の板材２が接合していることにより、第１切れ込み１１と上切れ込み２１１が合わさって形成されている各溝４に、第３の板材３に係る各第３切れ込み３１を、上から合わせて嵌合させ、第１の板材１及び第２の板材２に第３の板材３を接合させる。 Next, as shown in FIGS. 8 and 9, each groove 4 is formed by combining the first cut 11 and the upper cut 211 by joining the first plate 1 and the second plate 2. Then, the third notches 31 of the third plate material 3 are fitted together from above, and the third plate material 3 is joined to the first plate material 1 and the second plate material 2.
第１の板材１、第２の板材２及び第３の板材３の夫々の高さが同一であり、かつ、第２の板材２に係る上切れ込み２１１の深さ２１１１と、第３の板材３の上端から第３切れ込み３１の底部までの長さ３２が、同一であるため、第１の板材１及び第２の板材２と、第３の板材３の上縁及び下縁が面一で接合される。 The heights of the first plate 1, the second plate 2, and the third plate 3 are the same, and the depth 2111 of the upper cut 211 of the second plate 2 and the third plate 3 are the same. Since the length 32 from the upper end to the bottom of the third notch 31 is the same, the upper and lower edges of the first plate material 1, the second plate material 2, and the third plate material 3 are joined flush. be done.
また、第１の板材１に複数設けられている第１切れ込み１１同士の間隔と、第２の板材２に複数設けられている一対の切れ込み２１同士の間隔と、第３の板材３に複数設けられている第３切れ込み３１同士の間隔は、同一であるため、図９に示すように、第１～第３の各板材を接合した際に、第１～第３の各板材の切れ込みの間隔部分を一辺とする正三角形が形成される。 Also, the distance between the first notches 11 provided in plurality on the first plate material 1, the distance between the pair of notches 21 provided in plurality on the second plate material 2, and the distance between the plurality of first notches 11 provided in the third plate material 3, Since the intervals between the third notches 31 are the same, as shown in FIG. An equilateral triangle is formed with the portion as one side.
このように、本実施の形態例１に係る板材接合構造Ａによれば、第１～第３の各板材に設けられている切れ込みを用いて、金属製の板材同士を接合する構成であるため、板材同士の接合を正確に行うことができ、便宜である。その結果、「建築工事標準仕様書ＪＡＳＳ６鉄骨工事」において定められている範囲内に、仕口のずれ（＝板材同士の接合のずれ）を収めることができ、便宜である。 As described above, according to the plate joining structure A according to the first embodiment, the metal plates are joined together using the notches provided in each of the first to third plates. , it is possible to accurately join the plate materials, which is convenient. As a result, it is possible to keep the displacement of the joint (=displacement of the joint between the plates) within the range specified in the "Architectural Work Standard Specification JASS6 Steel Construction", which is convenient.
＜変形例＞
本実施の形態例１では、説明の便宜上、第１～第３の各板材について、単一の板材であることを想定して説明した。しかし、建造する屋根の大きさによって、板材接合構造Aの大きさも変化し、適宜、第１～第３の各板材同士を、継ぎ足す（接合する）必要が生じる。
<Modified example>
In Embodiment 1, for convenience of explanation, each of the first to third plates has been described assuming that they are a single plate. However, depending on the size of the roof to be constructed, the size of the plate joining structure A changes, and it becomes necessary to add (join) each of the first to third plate materials as appropriate.
金属製の板材同士を継ぎ足す（接合する）場合の従来からの方法として、抗力ボルトとナットを用いる方法がある。しかし、この方法を用いた場合、板材から抗力ボルト及びナットが出っ張っていることが、見えてしまい、外観上美しくない。 A conventional method for joining (joining) metal plates is to use drag bolts and nuts. However, when this method is used, the drag bolts and nuts protrude from the plate material, which is not aesthetically pleasing.
また、金属製の板材同士を継ぎ足す（接合する）場合の従来からの方法として、板材同士を溶接する方法もある。しかし、溶接することによって、板材が曲がってしまう。 Furthermore, as a conventional method for joining (joining) metal plates, there is also a method of welding the plates together. However, welding causes the plates to bend.
そこで、皿螺子（＝皿ボルト）５と、螺子孔６と、皿螺子５の皿部分が収納され、皿螺子５の螺子部分を貫通させる貫通孔７を用いて、金属製の板材同士を継ぎ足す（接合する）構成としても良い。 Therefore, a countersunk screw (=countsunk bolt) 5, a screw hole 6, and a countersunk portion of the countersunk screw 5 are stored, and a through hole 7 that passes through the screw portion of the countersunk screw 5 is used to join metal plates together. It may be added (joined) configuration.
以下、図１０及び図１１を用いて、第３の板材３同士を継ぎ足す場合で、詳しく説明する。なお、ここでは、説明の便宜上、第３の板材３同士を継ぎ足す場合で説明するが、継ぎ足しは第３の板材３に限定されるものではなく、第１の板材１同士を継ぎ足す場合、第２の板材２同士を継ぎ足すことも可能である。 Hereinafter, using FIGS. 10 and 11, a case where the third plate members 3 are joined together will be described in detail. In addition, here, for convenience of explanation, a case will be explained in which the third plate materials 3 are joined together, but the addition is not limited to the third plate materials 3, and when the first board materials 1 are joined together, It is also possible to join the second plate materials 2 together.
継ぎ足しを行う、一方の第３の板材３の左側端部には、段部８を介して該当箇所のみ背面側から厚さが薄くなった第１接合部３２が設けられている。そして、継ぎ足しを行う、他方の第３の板材３の右側端部には、段部８を介して該当箇所のみ前面側から厚さが薄くなった第２接合部３３が設けられている。なお、第１接合部３２及び第２接合部３３の夫々の厚さは、例えば、４．５mmである。 At the left end of one of the third plate materials 3 that is to be refilled, a first joint portion 32 is provided with a stepped portion 8 interposed therebetween, and the thickness is reduced from the back side only at the corresponding portion. A second joining part 33 is provided at the right end of the other third plate material 3, which is to be joined, with a stepped part 8 interposed therebetween, and the thickness is reduced from the front side only at the corresponding part. Note that the thickness of each of the first joint portion 32 and the second joint portion 33 is, for example, 4.5 mm.
図１１に示すように、背面側から厚さが薄くなった第１接合部３２と、前面側から厚さが薄くなった第２接合部３３を重合させることにより、第３の板材３同士の継ぎ足し（接合）箇所において、第３の板材３の厚さが他の箇所と比べて厚くなることなく、９mmと同じ厚さになるため、外観上美しい。 As shown in FIG. 11, by overlapping the first joint part 32 whose thickness becomes thinner from the back side and the second joint part 33 whose thickness becomes thinner from the front side, the third plate materials 3 are bonded together. The thickness of the third plate material 3 at the joint (joint) location is not thicker than at other locations and is the same as 9 mm, resulting in a beautiful appearance.
また、第１接合部３２の上端及び下端には夫々、螺子孔６と、皿螺子５の皿部分が収納され、皿螺子５の螺子部分を貫通させる貫通孔７が、交互に２つずつ設けられている。詳しくは、図１０及び図１１の右から、「螺子孔６→貫通孔７→螺子孔６→貫通孔７」と、設けられている。 Further, the screw holes 6 and the countersunk portions of the countersunk screws 5 are housed in the upper and lower ends of the first joint portion 32, respectively, and two through holes 7 through which the screw portions of the countersunk screws 5 pass are provided alternately. It is being Specifically, from the right in FIGS. 10 and 11, they are provided as follows: "screw hole 6→through hole 7→screw hole 6→through hole 7".
また、第２接合部３３の上端及び下端には夫々、螺子孔６と、皿螺子５の皿部分を含む後端が収納され、皿螺子５の螺子部分を貫通させる貫通孔７が、交互に２つずつ設けられている。詳しくは、図１０及び図１１の右から、「貫通孔７→螺子孔６→貫通孔７→螺子孔６」と、設けられている。 Further, the screw holes 6 and the rear ends including the countersunk portions of the countersunk screws 5 are housed in the upper and lower ends of the second joint portion 33, respectively, and through holes 7 through which the screw portions of the countersunk screws 5 pass are arranged alternately. There are two of each. Specifically, from the right in FIGS. 10 and 11, they are provided as follows: "through hole 7→screw hole 6→through hole 7→screw hole 6".
そして、第１接合部３２と、第２接合部３３を重合させると、第３の板材３の厚さ方向で、螺子孔６と貫通孔７が接合することになり、貫通孔７から皿螺子５の先端を入れて螺子孔６に螺着させると、皿螺子５の皿部分が貫通孔７に収納される。 Then, when the first joint part 32 and the second joint part 33 are overlapped, the screw hole 6 and the through hole 7 are joined in the thickness direction of the third plate material 3, and the countersunk screw is inserted from the through hole 7. When the tip of the countersunk screw 5 is inserted and screwed into the screw hole 6, the countersunk portion of the countersunk screw 5 is accommodated in the through hole 7.
皿螺子５を用いて螺着し、皿螺子５の皿部分が貫通孔７に収納される構成であるため、皿螺子５が、第３の板材３の前面及び背面から出っ張ることがなくなり、外観上美しい。 Since the configuration is such that the countersunk screw 5 is screwed and the countersunk portion of the countersunk screw 5 is housed in the through hole 7, the countersunk screw 5 does not protrude from the front and back surfaces of the third plate 3, and the appearance is improved. Beautiful above.
また、皿螺子５を用いて螺着し、皿螺子５の皿部分が貫通孔７に収納される、この板材の継ぎ足し構成の強度を調べるため、引張試験を行った。 In addition, a tensile test was conducted in order to examine the strength of this additional plate structure in which the plates were screwed together using countersunk screws 5 and the countersunk portions of the countersunk screws 5 were accommodated in the through holes 7.
試験体は、厚さが９mmで、第１接合部３２及び第２接合部３３の厚さが夫々４．５mmの第３の板材３を２枚重合させ、８本の皿螺子５を用いて接合されているものを使用した。 The test specimen was made by superposing two third plates 3 with a thickness of 9 mm and a first joint part 32 and a second joint part 33 each having a thickness of 4.5 mm, and using eight countersunk screws 5. I used the one that was joined.
１０００kＮ万能試験機（使用レンジ：２００kＮ）を使って行った。上記試験体３つを、試験機チャックを介して試験機に固定し、３つ試験体が夫々破壊に至るまで連続的に引張荷重を加えた。試験体は、９８．２（kＮ）、９８．６（kＮ）、１０２．８（kＮ）で夫々破断した。 This was carried out using a 1000kN universal testing machine (range used: 200kN). The three test specimens were fixed to a testing machine via a testing machine chuck, and a tensile load was applied continuously until each of the three test specimens broke. The test specimens broke at 98.2 (kN), 98.6 (kN), and 102.8 (kN), respectively.
なお、せん断応力の期待値は、皿螺子５としてＭ８ボルト（せん断応力：５kＮ／本）を８本使用しているため、４０（kＮ）となり、これに安全率１．１を乗じて、「４４（kＮ）」と想定していた。 In addition, the expected value of shear stress is 40 (kN) because eight M8 bolts (shear stress: 5 kN/bolt) are used as the countersunk screw 5, and this is multiplied by a safety factor of 1.1. 44 (kN)."
上記の試験結果を見ると、せん断応力の期待値「４４（kＮ）」を、大幅に超えている。そのため、皿螺子５を用いて螺着し、皿螺子５の皿部分が貫通孔７に収納される、この板材の継ぎ足し構成に十分な強度があることが分かった。 Looking at the above test results, the expected shear stress value of "44 (kN)" was significantly exceeded. Therefore, it has been found that this plate material joining structure, which is screwed using a countersunk screw 5 and the countersunk portion of the countersunk screw 5 is accommodated in the through hole 7, has sufficient strength.
なお、上記変形例では、継ぎ足しを行う、一方の第３の板材３の左側端部に第１接合部３２を設け、他方の第３の板材３の右側端部に第２接合部３３を設ける構成を示した。しかし、これは説明の便宜のためであって、この構成に限定されるものではない。従って、単一の第３の板材３の左側端部に第１接合部３２を設け、右側端部に第２接合部３３を設ける構成としても良い。 In addition, in the above modification, the first joint part 32 is provided at the left end of one of the third plate materials 3 to be refilled, and the second joint part 33 is provided at the right end of the other third plate material 3. The configuration was shown. However, this is for convenience of explanation and is not limited to this configuration. Therefore, the first joint 32 may be provided at the left end of the single third plate material 3, and the second joint 33 may be provided at the right end.
Ａ：板材接合構造、
１：第１の板材、１１：第１切れ込み、
２：第２の板材、２１：一対の切れ込み、２１１：上切れ込み、２１２：下切れ込み、
３：第３の板材、３１：第３切れ込み、３２：第１接合部、３３：第２接合部、
４：溝、５：皿螺子、６：螺子孔、７：収納孔、８：段部、
９：枠
A: Plate joining structure,
1: first plate material, 11: first notch,
2: second plate material, 21: a pair of notches, 211: upper notch, 212: lower notch,
3: third plate material, 31: third notch, 32: first joint, 33: second joint,
4: groove, 5: countersunk screw, 6: screw hole, 7: storage hole, 8: step,
9: Frame
Claims (4)
前記第１の板材は、横長にした上端から下方向に向かう第１切れ込みが、長手方向に所定の間隔で複数設けられ、
前記第２の板材は、横長にした上端から下方向に向かう上切れ込みと、当該上切れ込みと同一直線状に下端から上方向に向かう下切れ込みからなる一対の切れ込みが、長手方向に所定の間隔で複数設けられ、
前記第３の板材は、横長にした下端から上方向に向かう第３切れ込みが、長手方向に所定の間隔で複数設けられ、
前記第１の板材に係る各前記第１切れ込みに、前記第２の板材に係る各前記下切れ込みが嵌合されて、第１の板体と第２の板体が接合され、
前記第２の板材に係る各前記上切れ込みに、前記第３の板材に係る各前記第３切れ込みが嵌合されて、前記第１の板材、前記第２の板材及び前記第３の板材が接合されることを特徴とする、板材接合構造。 A plate joining structure using a first metal plate, a second metal plate, and a third metal plate,
The first plate material is provided with a plurality of first cuts extending downward from the horizontally elongated upper end at predetermined intervals in the longitudinal direction,
The second board has a pair of notches at predetermined intervals in the longitudinal direction, including an upper notch extending downward from the horizontally elongated upper end and a lower notch extending upward from the lower end in the same straight line as the upper notch. There are multiple
The third plate material is provided with a plurality of third notches extending upward from the horizontally elongated lower end at predetermined intervals in the longitudinal direction,
Each of the lower notches of the second plate material is fitted into each of the first notches of the first plate material, so that the first plate body and the second plate body are joined,
Each of the third notches related to the third plate material is fitted into each of the upper notches related to the second plate material, and the first plate material, the second plate material, and the third plate material are joined. A board joint structure characterized by:
前記第２の板材に係る前記上切れ込みの深さと、前記第３の板材の上端から前記第３切れ込みの底部までの長さが、同一であることを特徴とする、請求項１又は２に記載の板材接合構造。 The length from the bottom of the first cut in the first plate to the lower end of the first plate is the same as the depth of the lower cut in the second plate,
According to claim 1 or 2, the depth of the upper cut in the second plate is the same as the length from the upper end of the third plate to the bottom of the third cut. board joint structure.
継ぎ足される一方の板材の側端部に、段部を介して該当箇所のみ背面側から厚さが薄くなった第１接合部が設けられ、他方の板材の側端部に、段部を介して該当箇所のみ前面側から厚さが薄くなった第２接合部が設けられ、
これらの板材の継ぎ足しは、
前記一方の板材の第１接合部に螺子孔を穿ち、前記他方の板材の第２接合部に皿螺子の皿部分を収納し、当該皿螺子の螺子部分を貫通させる貫通孔を設け、
継ぎ足される前記一方の板材の第１接合部と前記他方の板材の第２接合部を重合させ、前記皿螺子の皿部分を前記第２接合部の貫通孔に収納させ、更に、前記皿螺子の螺子部分を前記第１接合部の螺子孔に螺着させて接合されることを特徴とする、請求項１～３のいずれかに記載の板材接合構造。
Either the first plate material, the second plate material, or the third plate material is the same plate material joined together,
A first joining part is provided at the side end of one of the plates to be spliced, through the step, and the thickness is reduced from the back side only at the relevant part, and a first joint is provided at the side end of the other plate, through the step. A second joint with a thinner thickness from the front side is provided only at the relevant location,
The addition of these planks is
Drilling a screw hole in the first joint part of the one plate material, storing the dish part of the countersunk screw in the second joint part of the other plate material, and providing a through hole through which the screw part of the countersunk screw passes,
The first joint part of the one plate material to be spliced and the second joint part of the other plate material are overlapped, the countersunk part of the countersunk screw is accommodated in the through hole of the second joint part, and further, the countersunk part of the countersunk screw is The plate joining structure according to any one of claims 1 to 3, wherein the plates are joined by screwing a screw portion into a screw hole of the first joint portion.
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