JP5911180B2 - Fastening structure - Google Patents

Fastening structure Download PDF

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JP5911180B2
JP5911180B2 JP2013181323A JP2013181323A JP5911180B2 JP 5911180 B2 JP5911180 B2 JP 5911180B2 JP 2013181323 A JP2013181323 A JP 2013181323A JP 2013181323 A JP2013181323 A JP 2013181323A JP 5911180 B2 JP5911180 B2 JP 5911180B2
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diameter
panel
fastening
fastening hole
same
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JP2015048905A (en
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和幸 河村
和幸 河村
和生 青山
和生 青山
鈴木　謙一
謙一 鈴木
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Honda Motor Co Ltd
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Description

本発明は、複数の被締結部材同士を締結する締結構造に関する。   The present invention relates to a fastening structure for fastening a plurality of members to be fastened together.

複数の部材を重ね合わせ、これらの部材同士を接続する技術には、ボルト締結がある。複数のパネルをボルトによって締結する技術として、パネルのそれぞれに締結孔を設け、これらの締結孔にボルトを通してパネル同士を締結する技術が知られている（例えば、特許文献１（第２図）参照。）。   A technique for overlapping a plurality of members and connecting these members is bolt fastening. As a technique for fastening a plurality of panels with bolts, a technique is known in which fastening holes are provided in each of the panels and the panels are fastened to each other through bolts in these fastening holes (see, for example, Patent Document 1 (FIG. 2)). .)

この特許文献１に示される締結技術は、車体の後部のパネルに樹脂製のスポイラーを取り付けるものである。パネル及びスポイラーにボルトを締結するための締結孔を設け、パネル側からボルトを挿入して、スポイラー側のナットに締結する。ボルトの雄ねじ部の径が、締結孔の径と略同等であれば、ボルトによって、スポイラーの位置を規制するとともに締結することができる。   The fastening technique disclosed in Patent Document 1 is to attach a resin spoiler to a rear panel of a vehicle body. A fastening hole for fastening a bolt to the panel and the spoiler is provided, the bolt is inserted from the panel side, and fastened to the nut on the spoiler side. If the diameter of the male screw portion of the bolt is substantially equal to the diameter of the fastening hole, the position of the spoiler can be regulated and fastened by the bolt.

しかし、ボルトの雄ねじ部の径が締結孔の径と略同等である場合、ボルトを締結孔に挿入する際に、雄ねじ部が締結孔に引っ掛かりやすくなるため、挿入しにくくなり作業性が低下する。作業性を高めるために挿入孔の径を大きくすると、スポイラーの位置規制ができなくなる。   However, if the diameter of the male screw portion of the bolt is substantially the same as the diameter of the fastening hole, the male screw portion is easily caught in the fastening hole when the bolt is inserted into the fastening hole, so that it is difficult to insert and the workability is reduced. . If the diameter of the insertion hole is increased to improve workability, the spoiler position cannot be regulated.

実開平２−１３６７８９号公報Japanese Utility Model Publication No. 2-136789

本発明は、複数の被締結部材同士を締結する締結構造であって、締結孔への締結部材の挿入を容易にできるとともに、被締結部材の位置を規制することができる技術を提供することを課題とする。   The present invention is a fastening structure that fastens a plurality of fastened members, and provides a technique capable of easily inserting a fastening member into a fastening hole and regulating the position of the fastened member. Let it be an issue.

請求項１に係る発明によれば、締結部材により複数の被締結部材同士を締結する締結構造であって、前記複数の被締結部材には、それぞれ締結孔が設けられ、前記締結部材は、前記各締結孔に挿入される雄ねじ部と、この雄ねじ部の後端部に設けられ、前記雄ねじ部の外径よりも最小径が大きく設定されるとともに前記締結部材の基端側に向かって径が大きくなるテーパ部と、このテーパ部に連続し、前記テーパ部の最大径と同径であり前記締結部材の軸方向に沿って延びる同径部と、この同径部に連続し、該同径部よりも径が大きい頭部とを有することを特徴とする。   According to the first aspect of the present invention, there is a fastening structure in which a plurality of fastened members are fastened by a fastening member, and the fastening members are each provided with a fastening hole, A male screw portion to be inserted into each fastening hole and a rear end portion of the male screw portion are set to have a minimum diameter larger than the outer diameter of the male screw portion and have a diameter toward the proximal end side of the fastening member. A taper portion that becomes larger, the same diameter portion that is continuous with the taper portion, has the same diameter as the maximum diameter of the taper portion, and extends along the axial direction of the fastening member, and is continuous with the same diameter portion. And a head having a larger diameter than the portion.

加えて、請求項１に記載のごとく、好ましくは、テーパ部と同径部の、軸方向の長さの和よりも、複数の被締結部材の厚さの和が大きいことを特徴とする。 In addition, as described in claim 1 , preferably, the sum of the thicknesses of the plurality of fastened members is larger than the sum of the axial lengths of the tapered portion and the same diameter portion.

加えて、請求項１に記載のごとく、より好ましくは、複数の被締結部材は、互いに重ねられた第１のパネル及び第２のパネルとであり、各締結孔は、第１のパネルに設けられた第１の締結孔と、第２のパネルに設けられた第２の締結孔からなり、雄ねじ部の挿入方向は、第１の締結孔側から第２の締結孔へ向かう方向であり、第１の締結孔の径は、同径部の径と略同径であり、第２の締結孔の径は、同径部の径よりも大径であり、締結部材の軸方向において、テーパ部の前端部は、第１のパネルの前端部よりも前方に位置し、テーパ部は第１のパネルとは離間していることを特徴とする。 In addition, as described in claim 1 , more preferably, the plurality of fastened members are the first panel and the second panel that are overlapped with each other, and each fastening hole is provided in the first panel. The first fastening hole and the second fastening hole provided in the second panel, and the insertion direction of the male screw portion is the direction from the first fastening hole side to the second fastening hole, diameter of the first fastening hole is diameter and substantially the same diameter of the constant diameter portion, the diameter of the second fastening holes, Ri large diameter der than the diameter of the constant diameter portion, in the axial direction of the fastening member, The front end portion of the taper portion is located in front of the front end portion of the first panel, and the taper portion is separated from the first panel .

請求項２に記載のごとく、より好ましくは、第１のパネル及び第２のパネルは、互いに離間した２カ所の締結点を結ぶ方向に延在する部材であり、第１のパネルの延在方向の一端部は、第２のパネルの延在方向の一端部にボルト締結され、第１のパネルの延在方向の他端部に、第１の締結孔が設けられ、該第１の締結孔は、第１のパネルの延在方向が長く、延在方向に直交する方向が同径部の径と略同幅に径された長孔であることを特徴とする。 As described in claim 2, and more preferably, the first panel and the second panel is a member extending in the direction connecting the engagement point of two locations spaced apart from each other, the extending direction of the first panel One end portion of the first panel is bolted to one end portion in the extending direction of the second panel, and a first fastening hole is provided in the other end portion in the extending direction of the first panel. Is characterized in that the extending direction of the first panel is long, and the direction orthogonal to the extending direction is a long hole having a diameter substantially the same as the diameter of the same diameter portion.

請求項１に係る発明では、締結部材は、雄ねじ部の後端部に設けられ、雄ねじ部の外径よりも最小径が大きく設定されるとともに締結部材の基端側に向かって径が大きくなるテーパ部を有する。被締結部材の締結孔よりも雄ねじ部の外径は小さく設定され、雄ねじ部の後端部に設けられるテーパ部がガイドの役割をするので、雄ねじ部を締結孔に容易に挿入することができる。また、締結部材は、同径部を有するので、被締結部材の位置規制をすることもでき、締結部材の締め付けを確実に行うことができる。   In the invention according to claim 1, the fastening member is provided at the rear end portion of the male screw portion, the minimum diameter is set larger than the outer diameter of the male screw portion, and the diameter increases toward the proximal end side of the fastening member. It has a taper part. The outer diameter of the male screw portion is set smaller than the fastening hole of the member to be fastened, and the tapered portion provided at the rear end portion of the male screw portion serves as a guide, so that the male screw portion can be easily inserted into the fastening hole. . Moreover, since a fastening member has the same diameter part, the position of a to-be-fastened member can also be regulated and fastening of a fastening member can be performed reliably.

加えて、請求項１に係る発明では、テーパ部と同径部の、軸方向の長さの和よりも、複数の被締結部材の厚さの和が大きいので、締め付け不完全による浮きやガタが発生せず、確実に締め付けることができる。 In addition, in the invention according to claim 1 , since the sum of the thicknesses of the plurality of members to be fastened is larger than the sum of the lengths in the axial direction of the taper portion and the same diameter portion, It does not occur and can be securely tightened.

加えて、請求項１に係る発明では、各締結孔は、第１のパネルに設けられた第１の締結孔と、第２のパネルに設けられた第２の締結孔からなり、雄ねじ部の挿入方向は、第１の締結孔側から第２の締結孔へ向かう方向である。第１の締結孔の径は、同径部の径と略同径であるので、第１のパネルで位置決めすることができる。第２の締結孔の径は、同径部の径よりも大径であるので、第２のパネルは位置決めに関係しないテーパ部と対応させることができる。結果、第１のパネル及び第２のパネルに対して、ボルト挿入性と位置規制とを同時に行うことができる。 In addition, in the invention according to claim 1 , each fastening hole includes a first fastening hole provided in the first panel and a second fastening hole provided in the second panel. The insertion direction is a direction from the first fastening hole side toward the second fastening hole. Since the diameter of the first fastening hole is substantially the same as the diameter of the same diameter portion, it can be positioned by the first panel. Since the diameter of the second fastening hole is larger than the diameter of the same diameter portion, the second panel can be made to correspond to a tapered portion not related to positioning. As a result, it is possible to simultaneously perform bolt insertion and position restriction on the first panel and the second panel.

請求項２に係る発明では、第１のパネル及び第２のパネルは、互いに離間した２カ所の締結点を結ぶ方向に延在する部材であり、第１のパネルの延在方向の一端部は、第２のパネルの延在方向の一端部にボルト締結され、第１のパネルの延在方向の他端部に、第１の締結孔が設けられる。該第１の締結孔は、第１のパネルの延在方向が長く、延在方向に直交する方向が同径部の径と略同幅に径された長孔であるので、パネルの延在方向の変位を吸収するとともに、延在方向と直交する方向への位置規制を行うことができる。 In the invention which concerns on Claim 2 , a 1st panel and a 2nd panel are the members extended in the direction which connects the fastening point of two places spaced apart from each other, The one end part of the extension direction of a 1st panel is A bolt is fastened to one end of the second panel in the extending direction, and a first fastening hole is provided in the other end of the first panel in the extending direction. The first fastening hole is a long hole in which the extending direction of the first panel is long and the direction perpendicular to the extending direction is formed to have the same diameter as the diameter of the same diameter portion. While absorbing the displacement of a direction, position control to the direction orthogonal to the extending direction can be performed.

本発明に係る被締結部材の正面図である。It is a front view of the to-be-fastened member which concerns on this invention. 図１の要部拡大図である。It is a principal part enlarged view of FIG. 図１の３−３線断面図である。FIG. 3 is a sectional view taken along line 3-3 in FIG. 1. 図３の４−４線断面図である。FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 本発明に係る頭付きボルトの正面図である。It is a front view of the bolt with a head concerning the present invention. 図５に示された頭付きボルトの作用図である。FIG. 6 is an operation diagram of the headed bolt shown in FIG. 5. 本発明に係る締結構造の作用図である。It is an effect | action figure of the fastening structure which concerns on this invention.

本発明を実施するための形態を添付図に基づいて以下に説明する。   EMBODIMENT OF THE INVENTION The form for implementing this invention is demonstrated below based on an accompanying drawing.

図１に示されるように、自動車のテールゲート１０に採用される締結構造であって、テールゲート１０は、複数の被締結部材１１、２１、３１を含む。被締結部材１１はアウタ側に配置される板状の第１のパネル１１であり、被締結部材２１はインナ側に配置される板状の第２のパネル２１であり、被締結部材３１は第１のパネル１１のアウタ側に配置される樹脂製のランプユニット３１である。   As shown in FIG. 1, the tailgate 10 includes a plurality of fastened members 11, 21, and 31 that are used in a tailgate 10 of an automobile. The fastened member 11 is a plate-like first panel 11 arranged on the outer side, the fastened member 21 is a plate-like second panel 21 arranged on the inner side, and the fastened member 31 is the first. This is a resin lamp unit 31 arranged on the outer side of one panel 11.

図１及び図２に示されるように、第１のパネル１１と第２のパネル２１とは互いに重ねられている。第１のパネル１１には、第１の締結孔１２が設けられており、第２のパネル２１には、第２の締結孔２２が設けられている。   As shown in FIGS. 1 and 2, the first panel 11 and the second panel 21 overlap each other. The first panel 11 is provided with a first fastening hole 12, and the second panel 21 is provided with a second fastening hole 22.

第１のパネル１１、第２のパネル２１及び第３のパネル３１は、互いに離間した上の締結点４１と下の締結点４２とを結ぶ方向に延在する部材である。第１の締結孔１２及び第２の締結孔２２は、上の締結点４１に位置する。第１の締結孔１２は、第１のパネル１１の延在方向に長く形成された長孔である。   The first panel 11, the second panel 21, and the third panel 31 are members that extend in a direction connecting the upper fastening point 41 and the lower fastening point 42 that are separated from each other. The first fastening hole 12 and the second fastening hole 22 are located at the upper fastening point 41. The first fastening hole 12 is a long hole formed long in the extending direction of the first panel 11.

第１のパネル１１の延在方向の一端部である下の締結点４２は、第２のパネル２１の延在方向の一端部にボルト締結され、位置決めされている。   The lower fastening point 42, which is one end portion in the extending direction of the first panel 11, is bolted and positioned at one end portion in the extending direction of the second panel 21.

図３〜図５に示されるように、第１のパネル１１は、第２のパネル２１に締結部材５０によって締結されている。締結部材５０は、頭付きボルト５０である。頭付きボルト５０は、第１の締結孔１２から第２の締結孔２２へ向かう方向に挿入される雄ねじ部５１と、この雄ねじ部５１の後端部に設けられ、雄ねじ部５１の外径Ｄ１よりも最小径が大きく設定されるとともに基端側に向かって径が大きくなるテーパ部５２とを有する。   As shown in FIGS. 3 to 5, the first panel 11 is fastened to the second panel 21 by a fastening member 50. The fastening member 50 is a headed bolt 50. The headed bolt 50 is provided at the rear end portion of the male screw portion 51 and the male screw portion 51 inserted in the direction from the first fastening hole 12 toward the second fastening hole 22, and the outer diameter D1 of the male screw portion 51. And a tapered portion 52 having a minimum diameter set larger than that and a diameter increasing toward the proximal end side.

さらに、頭付きボルト５０は、テーパ部５２に連続し、テーパ部５２の最大径と同径であり頭付きボルト５０の軸方向に沿って延びる同径部５３と、この同径部５３に連続し、この同径部５３よりも径が大きい頭部５４とを有する。   Further, the headed bolt 50 is continuous with the tapered portion 52, and has the same diameter as the maximum diameter of the tapered portion 52 and extends along the axial direction of the headed bolt 50, and is continuous with the same diameter portion 53. The head portion 54 has a larger diameter than the same-diameter portion 53.

換言すると、締結部材５０は、頭部５４と、この頭部５４の一端面に連なる円形断面にストレート状に延びる同径部５３と、この同径部５３の先端に連なる先細りテーパ状のテーパ部５２と、このテーパ部５２の先端に連なる雄ねじ部５１とからなる。雄ねじ部５１の径は、テーパ部５２の最小径を超えない大きさに設定されている。   In other words, the fastening member 50 includes a head 54, a same-diameter portion 53 that extends in a straight shape in a circular cross-section that is continuous with one end surface of the head 54, and a tapered tapered portion that is continuous with the tip of the same-diameter portion 53. 52 and a male screw part 51 connected to the tip of the taper part 52. The diameter of the male screw portion 51 is set to a size that does not exceed the minimum diameter of the tapered portion 52.

頭部５４は、第１のパネル１１に当接するフランジ部５５と、このフランジ部５５から延びる首部５６と、この首部５６に設けられる係止部５７とからなる。頭付きボルト５０の軸方向から見て、フランジ部５５及び首部５６は円形状であり、係止部５７は略四角形状である。   The head portion 54 includes a flange portion 55 that contacts the first panel 11, a neck portion 56 that extends from the flange portion 55, and a locking portion 57 that is provided on the neck portion 56. When viewed from the axial direction of the headed bolt 50, the flange portion 55 and the neck portion 56 are circular, and the locking portion 57 is substantially rectangular.

ランプユニット３１は、表面部３２と、この表面部３２の裏面に設けられる取付部３３と、取付部３３に図表裏方向に延びるように設けられるレール溝部３４と、取付部３３の下面に設けられる膨出部３５とを有する。   The lamp unit 31 is provided on a front surface portion 32, a mounting portion 33 provided on the back surface of the front surface portion 32, a rail groove portion 34 provided on the mounting portion 33 so as to extend in the front-back direction, and a lower surface of the mounting portion 33. And a bulging portion 35.

レール溝部３４に、頭付きボルト５０の係止部５７が嵌められる。係止部５７は、軸方向略四角形状であるので、頭付きボルト５０の軸に対していわゆる回り止めとなる。また、膨出部３５が、頭付きボルト５０のフランジ部５５に当接することで、ランプユニット３１に対して、頭付きボルト５０の軸方向の移動が規制される。雄ねじ部５１は、第２のパネル２１側からナット４３によって締め付けられている。   The locking portion 57 of the headed bolt 50 is fitted into the rail groove portion 34. Since the locking portion 57 has a substantially rectangular shape in the axial direction, the locking portion 57 is a so-called detent with respect to the shaft of the headed bolt 50. Further, when the bulging portion 35 abuts on the flange portion 55 of the headed bolt 50, the axial movement of the headed bolt 50 is restricted with respect to the lamp unit 31. The male screw part 51 is fastened by a nut 43 from the second panel 21 side.

テーパ部５２と同径部５３の、軸方向の長さの和は、Ｓ１である。第１のパネル１１と第２のパネル２１との厚さの和は、Ｓ２であり、Ｓ１＜Ｓ２となるように設定されている。   The sum of the lengths in the axial direction of the tapered portion 52 and the same diameter portion 53 is S1. The sum of the thicknesses of the first panel 11 and the second panel 21 is S2, and is set to satisfy S1 <S2.

第１の締結孔１２の延在方向に直交する方向の径Ｄ２は、同径部５３の径と略同径である。また、第２の締結孔２２の径Ｄ３は、同径部５３の径よりも大径である。   A diameter D2 in a direction orthogonal to the extending direction of the first fastening hole 12 is substantially the same as the diameter of the same diameter portion 53. The diameter D3 of the second fastening hole 22 is larger than the diameter of the same diameter portion 53.

以上に述べた締結構造の作用を次に述べる。
図６に示されるように、頭付きボルト５０の雄ねじ部５１を矢印ａのように、第１の締結孔１２及び第２の締結孔２２に挿入する。頭付きボルト５０の軸が、第１の締結孔１２の中心に一致していない場合、テーパ部５２が第１の締結孔１２の縁に当接し、頭付きボルト５０を第１の締結孔１２に導くガイドの役割を果たす。結果、頭付きボルト５０を、容易に第１の締結孔１２及び第２の締結孔２２に挿入することができる。 The operation of the fastening structure described above will be described next.
As shown in FIG. 6, the male thread portion 51 of the headed bolt 50 is inserted into the first fastening hole 12 and the second fastening hole 22 as indicated by an arrow a. When the axis of the headed bolt 50 does not coincide with the center of the first fastening hole 12, the tapered portion 52 abuts on the edge of the first fastening hole 12, and the headed bolt 50 is moved to the first fastening hole 12. Act as a guide that leads to As a result, the headed bolt 50 can be easily inserted into the first fastening hole 12 and the second fastening hole 22.

図７に示されるように、第１の締結孔１２の中心は、第２の締結孔２２の中心から、第１のパネル１１の延在方向に若干ずれている。第１の締結孔１２は、延在方向に長い長孔であるため、変位を吸収し、頭付きボルト５０の雄ねじ部５１を容易に挿入することができる。   As shown in FIG. 7, the center of the first fastening hole 12 is slightly shifted from the center of the second fastening hole 22 in the extending direction of the first panel 11. Since the first fastening hole 12 is a long hole extending in the extending direction, the first fastening hole 12 can absorb the displacement and can easily insert the male screw portion 51 of the headed bolt 50.

第１のパネル１１の延在方向に直交する方向においては、第１の締結孔１２の径は、同径部５３の径と略同径であるため、頭付きボルト５０は第１のパネル１１に対して位置決めされる。このように、第１のパネル１１は、延在方向に長いために高精度に保ち難いが、長孔によって変位を吸収するとともに、延在方向に直交する方向については、位置決めをすることができる。   In the direction orthogonal to the extending direction of the first panel 11, the diameter of the first fastening hole 12 is substantially the same as the diameter of the same-diameter portion 53, so that the headed bolt 50 is connected to the first panel 11. Is positioned with respect to. As described above, since the first panel 11 is long in the extending direction and is difficult to maintain with high accuracy, the first panel 11 can absorb the displacement by the long hole and can be positioned in the direction orthogonal to the extending direction. .

なお、第１のパネル１１が樹脂部材であれば、延在方向により大きく変位することがあるが、本発明であれば、樹脂部材に対しても有効に対応することができる。また、第１のパネル１１、第２のパネル２１及びランプユニット３１は、それぞれの部材の下部から合わせて締結するため、位置ずれはそれぞれの部材の上部に発生し易い。この点、本発明では、長孔である第１の締結孔１２を第１のパネル１１の上部に設けたため、部材の変位を有効に吸収することができる。   In addition, if the 1st panel 11 is a resin member, it may be displaced largely by the extending direction, but if it is this invention, it can respond | correspond effectively also to a resin member. Moreover, since the 1st panel 11, the 2nd panel 21, and the lamp unit 31 are united together from the lower part of each member, a position shift tends to generate | occur | produce in the upper part of each member. In this regard, in the present invention, since the first fastening hole 12 which is a long hole is provided in the upper part of the first panel 11, the displacement of the member can be effectively absorbed.

以上に述べた締結構造をまとめて以下に記載する。
図３〜図５に示されるように、被締結部材１１、２１の締結孔１２、２２よりも雄ねじ部５１の外径は小さく設定され、雄ねじ部５１の後端部に設けられるテーパ部５２がガイドの役割をするので、雄ねじ部５１を締結孔１２、２２に容易に挿入することができる。また、締結部材５０は、同径部５３を有するので、被締結部材１１、２１の位置規制をすることもでき、締結部材５０の締め付けを確実に行うことができる。 The fastening structure described above is summarized and described below.
As shown in FIGS. 3 to 5, the outer diameter of the male screw portion 51 is set smaller than the fastening holes 12 and 22 of the fastened members 11 and 21, and a tapered portion 52 provided at the rear end portion of the male screw portion 51 is provided. Since it serves as a guide, the male screw portion 51 can be easily inserted into the fastening holes 12 and 22. Moreover, since the fastening member 50 has the same diameter part 53, the position of the to-be-fastened members 11 and 21 can also be regulated and the fastening member 50 can be clamped reliably.

図３に示されるように、テーパ部５２と同径部５３の、軸方向の長さの和Ｓ１よりも、複数の被締結部材１１、２１の厚さの和Ｓ２が大きいので、締め付け不完全による浮きやガタが発生せず、確実に締め付けることができる。   As shown in FIG. 3, since the sum S2 of the thicknesses of the plurality of fastened members 11, 21 is larger than the sum S1 of the axial lengths of the tapered portion 52 and the same diameter portion 53, tightening is incomplete. It can be securely tightened without any lifting or backlash.

図３〜図５に示されるように、第１の締結孔１２の径は、同径部５３の径と略同径であるので、第１のパネル１１で位置決めすることができる。第２の締結孔２２の径は、同径部５３の径よりも大径であるので、第２のパネル２１は位置決めに関係のないテーパ部５２と対応させることができる。結果、第１のパネル１１及び第２のパネル２１に対して、ボルト挿入性と位置規制とを同時に行うことができる。   As shown in FIGS. 3 to 5, since the diameter of the first fastening hole 12 is substantially the same as the diameter of the same diameter portion 53, it can be positioned by the first panel 11. Since the diameter of the 2nd fastening hole 22 is larger than the diameter of the same diameter part 53, the 2nd panel 21 can be made to respond | correspond with the taper part 52 which is not related to positioning. As a result, the bolt insertion property and the position restriction can be performed simultaneously on the first panel 11 and the second panel 21.

図３〜図５に示されるように、第１の締結孔１２は、第１のパネル１１の延在方向が長く、延在方向に直交する方向が同径部５３の径と略同幅に径された長孔であるので、パネル１１、２１の延在方向の変位を吸収するとともに、延在方向と直交する方向への位置規制を行うことができる。   As shown in FIGS. 3 to 5, in the first fastening hole 12, the extending direction of the first panel 11 is long, and the direction orthogonal to the extending direction is substantially the same width as the diameter of the same-diameter portion 53. Since it is a diameter long hole, it is possible to absorb the displacement in the extending direction of the panels 11 and 21 and to regulate the position in the direction orthogonal to the extending direction.

図３〜図５に示されるように、被締結部材１１、２１の締結孔１２、２２よりも雄ねじ部５１の外径は小さく設定され、雄ねじ部５１の後端部に設けられるテーパ部５２がガイドの役割をするので、頭付きボルト５０の雄ねじ部５１を締結孔１２、２２に容易に挿入することができる。また、頭付きボルト５０は、同径部５３を有するので、被締結部材１１、２１の位置規制をすることもでき、頭付きボルト５０の締め付けを確実に行うことができる。   As shown in FIGS. 3 to 5, the outer diameter of the male screw portion 51 is set smaller than the fastening holes 12 and 22 of the fastened members 11 and 21, and a tapered portion 52 provided at the rear end portion of the male screw portion 51 is provided. Since it serves as a guide, the male thread 51 of the headed bolt 50 can be easily inserted into the fastening holes 12 and 22. Moreover, since the headed bolt 50 has the same diameter part 53, the position of the to-be-fastened members 11 and 21 can also be regulated, and the headed bolt 50 can be securely tightened.

尚、実施例では、締結部材５０は、図５に示した頭付きボルト５０としたが、頭付きボルト５０の頭部５４の形状は、六角ボルトや通常の六角柱形状であっても差し支えない。   In the embodiment, the fastening member 50 is the headed bolt 50 shown in FIG. 5, but the shape of the head 54 of the headed bolt 50 may be a hexagonal bolt or a normal hexagonal column shape. .

本発明の締結構造は、複数の板状の被締結部材同士を締結する技術に好適である。   The fastening structure of the present invention is suitable for a technique for fastening a plurality of plate-like members to be fastened together.

１１…被締結部材（第１のパネル）、１２…第１の締結孔、２１…被締結部材（第２のパネル）、２２…第２の締結孔、４１…上の締結点、４２…下の締結点、５０…締結部材（頭付きボルト）、５１…雄ねじ部、５２…テーパ部、５３…同径部、５４…頭部。   DESCRIPTION OF SYMBOLS 11 ... Fastened member (1st panel), 12 ... 1st fastening hole, 21 ... Fastened member (2nd panel), 22 ... 2nd fastening hole, 41 ... Top fastening point, 42 ... Bottom Fastening point (50) fastening member (bolt with head), 51 ... male screw part, 52 ... taper part, 53 ... same diameter part, 54 ... head.

Claims (2)

締結部材により複数の被締結部材同士を締結する締結構造であって、
前記複数の被締結部材には、それぞれ締結孔が設けられ、
前記締結部材は、
前記各締結孔に挿入される雄ねじ部と、
この雄ねじ部の後端部に設けられ、前記雄ねじ部の外径よりも最小径が大きく設定されるとともに前記締結部材の基端側に向かって径が大きくなるテーパ部と、
このテーパ部に連続し、前記テーパ部の最大径と同径であり前記締結部材の軸方向に沿って延びる同径部と、
この同径部に連続し、該同径部よりも径が大きい頭部とを有し、
前記テーパ部と前記同径部の、前記軸方向の長さの和よりも、前記複数の被締結部材の厚さの和が大きく形成され、
前記複数の被締結部材は、互いに重ねられた第１のパネル及び第２のパネルとであり、
前記各締結孔は、前記第１のパネルに設けられた第１の締結孔と、前記第２のパネルに設けられた第２の締結孔からなり、
前記雄ねじ部の挿入方向は、前記第１の締結孔側から前記第２の締結孔へ向かう方向であり、
前記第１の締結孔の径は、前記同径部の径と略同径であり、
前記第２の締結孔の径は、前記同径部の径よりも大径であり、
前記締結部材の軸方向において、前記テーパ部の前端部は、前記第１のパネルの前端部よりも前方に位置し、前記テーパ部は前記第１のパネルとは離間していることを特徴とする締結構造。 A fastening structure for fastening a plurality of members to be fastened with fastening members,
Each of the plurality of members to be fastened is provided with a fastening hole,
The fastening member is
Male screw portions inserted into the fastening holes,
A taper portion that is provided at the rear end portion of the male screw portion, has a minimum diameter larger than the outer diameter of the male screw portion, and has a diameter that increases toward the base end side of the fastening member;
The same diameter portion that is continuous with the taper portion, has the same diameter as the maximum diameter of the taper portion, and extends along the axial direction of the fastening member;
This continuous with the same diameter, possess a head diameter is larger than the diameter of identity,
The sum of the thicknesses of the plurality of members to be fastened is formed larger than the sum of the lengths in the axial direction of the tapered portion and the same diameter portion,
The plurality of members to be fastened are a first panel and a second panel stacked on each other,
Each fastening hole comprises a first fastening hole provided in the first panel and a second fastening hole provided in the second panel,
The insertion direction of the male screw portion is a direction from the first fastening hole side toward the second fastening hole,
The diameter of the first fastening hole is substantially the same as the diameter of the same-diameter portion,
The diameter of the second fastening hole is larger than the diameter of the same diameter portion,
In the axial direction of the fastening member, a front end portion of the taper portion is positioned forward of a front end portion of the first panel, and the taper portion is separated from the first panel. Fastening structure to do. 前記第１のパネル及び前記第２のパネルは、互いに離間した２カ所の締結点を結ぶ方向に延在する部材であり、
前記第１のパネルの前記延在方向の一端部は、前記第２のパネルの前記延在方向の一端部にボルト締結され、
前記第１のパネルの前記延在方向の他端部に、前記第１の締結孔が設けられ、
該第１の締結孔は、前記第１のパネルの前記延在方向が長く、前記延在方向に直交する方向が前記同径部の径と略同幅に径された長孔であることを特徴とする請求項１記載の締結構造。 The first panel and the second panel are members extending in a direction connecting two fastening points spaced apart from each other,
One end portion in the extending direction of the first panel is bolted to one end portion in the extending direction of the second panel,
The other end of the first panel in the extending direction is provided with the first fastening hole,
The first fastening hole is a long hole in which the extending direction of the first panel is long, and the direction orthogonal to the extending direction is set to have the same width as the diameter of the same-diameter portion. The fastening structure according to claim 1, wherein
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