JPH0542720U - Positioning device for overlapping members - Google Patents
Positioning device for overlapping membersInfo
- Publication number
- JPH0542720U JPH0542720U JP10064591U JP10064591U JPH0542720U JP H0542720 U JPH0542720 U JP H0542720U JP 10064591 U JP10064591 U JP 10064591U JP 10064591 U JP10064591 U JP 10064591U JP H0542720 U JPH0542720 U JP H0542720U
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- Prior art keywords
- bolt
- bolt insertion
- insertion hole
- nut
- screw rod
- Prior art date
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Abstract
(57)【要約】
【目的】 2枚の鋼板等をボルトとナットとで締着する
ときに、位置決めを正確に行ないうるようにする。
【構成】 ボルト挿通穴1A,2Aが穿設された鋼板
1,2を重ね合わせた状態でボルト挿通穴1A,2A内
にボルト3のねじ棒3Dを挿通し、ねじ棒3Dの先端側
にナット5を螺合させ、このときにボルト3のテーパ部
3Cとナット5のテーパ部5Dとをボルト挿通穴1A,
2A内に嵌入させ、自動的に芯合わせした状態で鋼板
1,2を座金4,6を介して締着する。
(57) [Summary] [Purpose] To enable accurate positioning when tightening two steel plates with bolts and nuts. [Structure] With the steel plates 1 and 2 having the bolt insertion holes 1A and 2A bored on top of each other, the screw rod 3D of the bolt 3 is inserted into the bolt insertion holes 1A and 2A, and the nut is provided on the tip side of the screw rod 3D. 5 are screwed together, and at this time, the taper portion 3C of the bolt 3 and the taper portion 5D of the nut 5 are connected to the bolt insertion hole 1A,
2A is fitted and the steel plates 1 and 2 are tightened with washers 4 and 6 in a state where they are automatically aligned.
Description
【0001】[0001]
本考案は、例えば2枚の鋼板等を重ね合わせた状態で位置決めするのに好適に 用いられる重合部材の位置決め装置に関し、特に、ボルト、ナットで各重合部材 を締着したときに、各重合部材のボルト挿通穴を芯合わせできるようにした重合 部材の位置決め装置に関する。 The present invention relates to a positioning device for overlapping members, which is preferably used for positioning, for example, two steel plates in a stacked state, and in particular, when the overlapping members are fastened with bolts and nuts, And a positioning device for a superposed member in which the bolt insertion holes of the above can be aligned.
【0002】[0002]
一般に、それぞれボルト挿通穴が穿設され、互いに重ね合わされる複数の重合 部材と、ねじ棒が該各重合部材のボルト挿通穴内に挿通され、頭部の座面が該各 重合部材のうち、一方の重合部材の表面に座金を介して当接されるボルトと、該 ボルトのねじ棒先端側に螺合し、座面が他方の重合部材の表面に座金を介して当 接することにより、該ボルトの頭部との間で各重合部材を締着するナットとから なる重合部材の位置決め装置は知られている。 In general, a plurality of overlapping members each having a bolt insertion hole formed therein and overlapping each other and a screw rod are inserted into the bolt insertion holes of each overlapping member, and the seat surface of the head is one of the overlapping members. Of the bolt, which is brought into contact with the surface of the overlapping member via a washer, is screwed to the tip end side of the screw rod of the bolt, and the seat surface is brought into contact with the surface of the other overlapping member via the washer, thereby Positioning devices for overlapping members, which include a nut for fastening each overlapping member to the head of the overlapping member, are known.
【0003】 この種の従来技術による重合部材の位置決め装置では、例えば重合部材として の2枚の鋼板にボルトのねじ棒外径よりも大径のボルト挿通穴をそれぞれ穿設し 、各ボルト挿通穴を一致させるようにして各鋼板を重ね合わせた状態で、一方の 鋼板側からボルト挿通穴内にボルトのねじ棒を挿通し、該ねじ棒の先端側を他方 の鋼板のボルト挿通穴から突出させる。In this type of prior art positioning device for overlapping members, for example, two steel plates as overlapping members are provided with bolt insertion holes each having a diameter larger than the outer diameter of the threaded rod of the bolt, and each bolt insertion hole is formed. In the state where the steel plates are overlapped with each other so as to coincide with each other, the screw rod of the bolt is inserted into the bolt insertion hole from one steel plate side, and the tip end side of the screw rod is projected from the bolt insertion hole of the other steel plate.
【0004】 そして、この状態で他方の鋼板から突出するねじ棒の先端側に座金を挿通する と共にナットを螺着させ、該ナットとボルトの頭部との間で各鋼板を強く締付け ることにより、各鋼板の位置決めを行うようにしている。Then, in this state, a washer is inserted into the tip side of the screw rod protruding from the other steel plate, a nut is screwed, and each steel plate is strongly tightened between the nut and the head of the bolt. , Each steel plate is positioned.
【0005】[0005]
ところで、上述した従来技術では、各鋼板に穿設したボルト挿通穴の穴径がボ ルトのねじ棒外径よりも大径となっているから、各鋼板のボルト挿通穴を芯合わ せするのが難しく、各ボルト挿通穴が芯ずれすると、重ね合わせた状態の各鋼板 が位置ずれしてしまい、該各鋼板を正確な位置で固定できなくなるという問題が ある。 By the way, in the above-mentioned conventional technique, since the hole diameter of the bolt insertion hole formed in each steel plate is larger than the outer diameter of the screw rod of the bolt, the bolt insertion hole of each steel plate is aligned. However, if the bolt insertion holes are misaligned, the steel sheets in the superposed state will be misaligned, and it will not be possible to fix the steel sheets in the correct position.
【0006】 本考案は上述した従来技術の問題に鑑みなされたもので、本考案は各重合部材 をボルト、ナット間で締着したときに各ボルト挿通穴を自動的に芯合わせでき、 各重合部材を正確な位置で固定できるようにした重合部材の位置決め装置を提供 することを目的としている。The present invention has been made in view of the above-mentioned problems of the prior art. The present invention can automatically align the bolt insertion holes when the overlapping members are fastened between the bolts and nuts, and An object of the present invention is to provide a positioning device for a superposed member that can fix the member at an accurate position.
【0007】[0007]
上述した課題を解決するために本考案が採用する構成の特徴は、ボルトのねじ 棒と頭部の座面との間に、座金の厚みより大きい長さ寸法を有し、前記ねじ棒側 がボルト挿通穴よりも小径となり、前記頭部の座面側がボルト挿通穴よりも大径 となったテーパ部を設け、ナットの座面側には座金の厚みよりも大きい軸方向の 突出長さを有し、先端側外周がボルト挿通穴よりも小径となり、基端側外周がボ ルト挿通穴よりも大径となった筒状のテーパ部を突設したことにある。 The feature of the configuration adopted by the present invention to solve the above-mentioned problems is that the screw rod of the bolt has a length dimension larger than the thickness of the washer between the screw rod and the seat surface of the head, and the screw rod side is A tapered portion with a smaller diameter than the bolt insertion hole and a larger diameter on the seat surface side of the head than the bolt insertion hole is provided.On the seat surface side of the nut, an axial protruding length larger than the washer thickness is provided. It has a cylindrical taper portion that has a smaller outer diameter on the distal end side than the bolt insertion hole and a larger outer diameter on the base end side outer diameter than the bolt insertion hole.
【0008】[0008]
上記構成により、各重合部材をボルト、ナット間で締着するときに、一方の重 合部材側ではボルトのテーパ部がボルト挿通穴内に嵌入され、該テーパ部の外周 面がボルト挿通穴の端部に接触することによって、ボルトのねじ棒がボルト挿通 穴に対し芯合わせされる。また、他方の重合部材側ではナットのテーパ部がボル ト挿通穴内に嵌入され、該テーパ部の外周面がボルト挿通穴の端部に接触するこ とにより、ナットがねじ棒を介してボルト挿通穴に対し芯合わせされる。 With the above configuration, when tightening the overlapping members between the bolts and the nuts, the tapered portion of the bolt is fitted into the bolt insertion hole on the side of one overlapping member, and the outer peripheral surface of the tapered portion is the end of the bolt insertion hole. By contacting the portion, the threaded rod of the bolt is aligned with the bolt insertion hole. Further, on the other overlapping member side, the tapered portion of the nut is fitted in the bolt insertion hole, and the outer peripheral surface of the tapered portion comes into contact with the end of the bolt insertion hole, so that the nut is inserted through the screw rod. Centered on the hole.
【0009】[0009]
以下、本考案の実施例を図1および図2に基づき説明する。 An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
【0010】 図において、1,2は重合部材となる2枚の鋼板を示し、該鋼板1,2には同 一の穴径をもったボルト挿通穴1A,2Aが板厚方向に穿設され、該ボルト挿通 穴1A,2Aは後述するねじ棒3Dの外径よりも大径に形成されている。そして 、該鋼板1,2はボルト挿通穴1A,2Aを一致させるようにして重ね合わされ 、後述のボルト3,ナット5により図1に示す如く締着される。また、該鋼板1 の下面側および鋼板2の上面側はボルト挿通穴1A,2Aの周囲が角隅部1B, 2Bとなり、該角隅部1B,2Bには後述のテーパ部3C,5Dが全周に亘って 接触するようになっている。In the figure, reference numerals 1 and 2 denote two steel plates that serve as overlapping members, and bolt insertion holes 1A and 2A having the same hole diameter are formed in the steel plates 1 and 2 in the plate thickness direction. The bolt insertion holes 1A and 2A are formed to have a larger diameter than the outer diameter of a screw rod 3D described later. The steel plates 1 and 2 are superposed so that the bolt insertion holes 1A and 2A are aligned with each other, and are tightened by bolts 3 and nuts 5 described later as shown in FIG. Further, on the lower surface side of the steel plate 1 and the upper surface side of the steel plate 2, the corners 1B and 2B around the bolt insertion holes 1A and 2A become the corner portions 1B and 2B, and the taper portions 3C and 5D, which will be described later, are formed on the corner portions 1B and 2B. It is designed to make contact around the circumference.
【0011】 3はボルトを示し、該ボルト3は図2に示す如く、短尺の六角柱状に形成され 、座面3Aを有する頭部3Bと、該頭部3Bの座面3A側から略円錐台状に突出 し、基端側から先端側に向けて漸次縮径されたテーパ部3Cと、該テーパ部3C の先端側から軸方向に伸長し、前記ボルト挿通穴1A,2Aよりも小径に形成さ れたねじ棒3Dとからなり、該ねじ棒3Dの外周にはおねじ3Eが形成されてい る。そして、該ボルト3はねじ棒3Dがボルト挿通穴1A,2A内に挿通され、 該ねじ棒3Dの先端側は鋼板2のボルト挿通穴2Aから外部に突出する。Reference numeral 3 denotes a bolt, and the bolt 3 is formed in a short hexagonal columnar shape as shown in FIG. 2, and has a head 3B having a seat surface 3A, and a substantially truncated cone from the seat surface 3A side of the head 3B. Taper portion 3C protruding in a circular shape and gradually reduced in diameter from the base end side to the tip end side, and extending in the axial direction from the tip end side of the taper portion 3C and formed to have a smaller diameter than the bolt insertion holes 1A, 2A. And a male threaded rod 3D. A male thread 3E is formed on the outer circumference of the male threaded rod 3D. Then, the screw rod 3D of the bolt 3 is inserted into the bolt insertion holes 1A and 2A, and the tip end side of the screw rod 3D projects from the bolt insertion hole 2A of the steel plate 2 to the outside.
【0012】 また、該ボルト3の頭部3Bと鋼板1の下面との間には所定の板厚をもった環 状の座金4が配設され、該座金4はボルト3の座面3Aと鋼板1との間の接触面 積を拡大し、ナット5との間での鋼板1,2に対する締着力を増大させるように なっている。そして、ボルト3のテーパ部3Cは座金4の厚みよりも大きい軸方 向長さを有し、テーパ部3Cの基端側(座面3A側)はボルト挿通穴1Aよりも 大径となり、先端側(ねじ棒3D側)はボルト挿通穴1Aよりも小径となるよう に形成されている。Further, an annular washer 4 having a predetermined plate thickness is disposed between the head 3 B of the bolt 3 and the lower surface of the steel plate 1, and the washer 4 serves as a seat surface 3 A of the bolt 3. The contact surface area with the steel plate 1 is enlarged, and the tightening force for the steel plates 1 and 2 with the nut 5 is increased. The taper portion 3C of the bolt 3 has an axial length larger than the thickness of the washer 4, and the base end side (the seat surface 3A side) of the taper portion 3C has a larger diameter than the bolt insertion hole 1A. The side (screw rod 3D side) is formed to have a smaller diameter than the bolt insertion hole 1A.
【0013】 さらに、5はボルト3のねじ棒3D先端側に螺合され、該ボルト3の頭部3B との間で鋼材1,2を締着したナットを示し、該ナット5は図3に示す如く、短 尺の六角柱状に形成され、内周側にねじ穴5Aが穿設されたナット本体5Bと、 該ナット本体5Bの座面5C側から軸方向に突設され、内周側がねじ棒3Dのお ねじ3E外径よりも僅かに大径となった筒状のテーパ部5Dとからなり、該テー パ部5Dの外周面は基端側から先端側に向けて漸次縮径する略円錐状のテーパ面 として形成されている。また、該ナット5の座面5Cと鋼板2の上面との間には 所定の板厚をもった環状の座金6が配設され、該座金6は前記座金4と同様に座 面5Cと鋼板2との接触面積を拡大し、鋼板1,2に対する締着力を増大させて いる。そして、ナット5のテーパ部5Dは座金6の厚みよりも大きな軸方向の突 出長さを有し、その基端側(座面5C側)はボルト挿通穴2Aよりも大径となり 、先端側はボルト挿通穴2Aよりも小径となるように形成されている。Reference numeral 5 denotes a nut screwed to the tip side of the screw rod 3D of the bolt 3 and fastened with the steel materials 1 and 2 between the head 3B of the bolt 3 and the nut 5 shown in FIG. As shown, the nut body 5B is formed in a short hexagonal column shape and has a screw hole 5A formed on the inner peripheral side, and the nut body 5B is axially projected from the seat surface 5C side, and the inner peripheral side is provided with a screw. The rod 3D has a cylindrical taper portion 5D having a diameter slightly larger than the outer diameter of the male thread 3E, and the outer peripheral surface of the taper portion 5D is gradually reduced in diameter from the base end side to the tip end side. It is formed as a conical tapered surface. An annular washer 6 having a predetermined thickness is disposed between the seat surface 5C of the nut 5 and the upper surface of the steel plate 2, and the washer 6 is similar to the washer 4 in the seat surface 5C and the steel plate. The contact area with 2 is expanded and the tightening force to steel plates 1 and 2 is increased. The tapered portion 5D of the nut 5 has an axial protruding length that is larger than the thickness of the washer 6, and the base end side (the seat surface 5C side) has a larger diameter than the bolt insertion hole 2A and the tip end side. Is formed to have a smaller diameter than the bolt insertion hole 2A.
【0014】 本実施例による鋼板1,2の位置決め装置は上述の如き構成を有するもので、 次にその作用について説明する。The positioning device for the steel plates 1 and 2 according to the present embodiment has the above-mentioned configuration, and its operation will be described below.
【0015】 まず、位置決めすべき鋼板1,2に同一径のボルト挿通穴1A,2Aを穿設し 、該ボルト挿通穴1A,2Aを一致させるようにして鋼板1,2を重ね合わせる 。そして、鋼板1の下面側から座金4を介してボルト挿通穴1A,2A内にボル ト3のねじ棒3Dを挿通し、該ねじ棒3Dの先端側を鋼板2上に突出させる。First, bolt insertion holes 1A and 2A having the same diameter are formed in the steel plates 1 and 2 to be positioned, and the steel plates 1 and 2 are overlapped so that the bolt insertion holes 1A and 2A are aligned. Then, the screw rod 3D of the bolt 3 is inserted into the bolt insertion holes 1A, 2A from the lower surface side of the steel plate 1 through the washer 4, and the tip end side of the screw rod 3D is projected onto the steel plate 2.
【0016】 次に、この状態でねじ棒3Dの突出端側に座金6を挿通すると共に、テーパ部 5Dを下向きにしてナット5をねじ棒3Dに螺合させる。そして、該ナット5を ボルト3に対して締付けてゆくときに、ナット5のテーパ部5Dは座金6を介し て鋼板2のボルト挿通穴2A内に嵌入し、ボルト3のテーパ部3Cは座金4を介 して鋼板1のボルト挿通穴1A内に嵌入するから、テーパ部3Cの外周面は鋼板 1の角隅部1Bに全周に亘って接触し、ボルト3のねじ棒3Dが鋼板1のボルト 挿通穴1Aに対して自動的に芯合わせされる。Next, in this state, the washer 6 is inserted into the protruding end side of the screw rod 3D, and the nut 5 is screwed onto the screw rod 3D with the taper portion 5D facing downward. When the nut 5 is tightened with respect to the bolt 3, the tapered portion 5D of the nut 5 is fitted into the bolt insertion hole 2A of the steel plate 2 via the washer 6, and the tapered portion 3C of the bolt 3 is fixed to the washer 4 Since it is fitted into the bolt insertion hole 1A of the steel plate 1 via the, the outer peripheral surface of the taper portion 3C contacts the corner portion 1B of the steel plate 1 over the entire circumference, and the threaded rod 3D of the bolt 3 is made of the steel plate 1. The bolt is automatically aligned with the through hole 1A.
【0017】 また、ナット5のテーパ部5Dも外周面が鋼板2の角隅部2Bに全周に亘って 接触し、ねじ棒3Dの先端側に螺合したナット5はねじ棒3Dを介して鋼板1の ボルト挿通穴1Aに対し芯合わせされると共に、テーパ部5Dを介して鋼板2の ボルト挿通穴2Aに対し芯合わせされるようになり、これによって鋼板1,2は ボルト挿通穴1A,2Aが自動的に芯合わせされ、ボルト3の頭部3Bとナット 5との間で座金4,6を介して強く締着される。そして、座金4,6はボルト3 の頭部3B,ナット5と鋼板1,2との間で強く挟持されることにより、両者の 接触面積を拡大し、鋼板1,2間の締着力を増大させる。The outer peripheral surface of the taper portion 5D of the nut 5 is in contact with the corner portion 2B of the steel plate 2 over the entire circumference, and the nut 5 screwed to the tip end side of the screw rod 3D is inserted through the screw rod 3D. The steel plate 1 is aligned with the bolt insertion hole 1A, and is also aligned with the bolt insertion hole 2A of the steel plate 2 through the tapered portion 5D, whereby the steel plates 1 and 2 are aligned with the bolt insertion hole 1A, 2A is automatically centered, and is strongly tightened between the head 3B of the bolt 3 and the nut 5 via washers 4 and 6. The washers 4 and 6 are strongly clamped between the head 3B of the bolt 3, the nut 5 and the steel plates 1 and 2, thereby increasing the contact area between them and increasing the fastening force between the steel plates 1 and 2. Let
【0018】 かくして、本実施例によれば、ボルト3とナット5とにテーパ部3C,5Dを 一体形成し、該テーパ部3C,5Dを鋼板1,2の角隅部1B,2Bに全周に亘 って接触させるようにしたから、ボルト3とナット5との間で鋼板1,2を締着 するときに、ボルト挿通穴1A,2Aを自動的に芯合わせすることができ、鋼板 1,2を正確な位置に位置決めして固定できる。Thus, according to this embodiment, the bolt 3 and the nut 5 are integrally formed with the taper portions 3C and 5D, and the taper portions 3C and 5D are formed around the corner portions 1B and 2B of the steel plates 1 and 2 over the entire circumference thereof. Since the steel plates 1 and 2 are made to come into contact with each other, when the steel plates 1 and 2 are tightened between the bolt 3 and the nut 5, the bolt insertion holes 1A and 2A can be automatically aligned. , 2 can be positioned and fixed at precise positions.
【0019】 従って、鋼板1,2をボルト3,ナット5で締着するのに先立ち、ボルト挿通 穴1A,2Aをあらかじめ正確に位置合わせする必要がなくなり、鋼板1,2の 締着作業を簡略化することができ、作業性を大幅に向上できる。また、作業者の 負担を確実に軽減でき、作業時間を大幅に短縮できる等、種々の効果を奏する。Therefore, prior to fastening the steel plates 1 and 2 with the bolts 3 and the nut 5, it is not necessary to accurately align the bolt insertion holes 1A and 2A in advance, and the fastening work of the steel plates 1 and 2 is simplified. It is possible to improve the workability. In addition, it is possible to surely reduce the burden on the worker, and to significantly reduce the working time, which brings about various effects.
【0020】 なお、前記実施例では、座金4,6を内径がテーパ部3C,5Dよりも大径と なった一枚の環状板によって形成するものとして述べたが、これに替えて、座金 4,6を複数枚の環状板またはスプリングワッシャ等によって構成してもよく、 例えば座金4,6を複数枚用いる場合には、これらの座金4,6がボルト3の頭 部3B,ナット5と鋼板1,2との間で強く挟持され、かつテーパ部3C,5D が鋼板1,2の角隅部1B,2Bに効果的に接触するように、座金4,6の枚数 または厚みを選定すればよい。In the above embodiment, the washers 4 and 6 are described as being formed by a single annular plate having an inner diameter larger than that of the tapered portions 3C and 5D, but instead of this, the washer 4 is used. , 6 may be constituted by a plurality of annular plates or spring washers. For example, when a plurality of washers 4, 6 are used, these washers 4, 6 are the head 3B of the bolt 3, the nut 5 and the steel plate. If the number or thickness of the washers 4 and 6 is selected so that the tapered portions 3C and 5D are strongly sandwiched between the washers 1 and 2, and the tapered portions 3C and 5D effectively contact the corner portions 1B and 2B of the steel plates 1 and 2, respectively. Good.
【0021】 また、前記実施例では、ボルト3を通常の六角ボルトによって構成し、ナット 5を六角ナットによって構成する場合を例に上げて説明したが、本考案はこれに 限らず、例えばボルト3を四角ボルト、六角穴付きボルト等によって構成しても よく、ナット5を四角ナット、袋ナット等によって構成してもよい。Further, in the above-described embodiment, the case where the bolt 3 is composed of a normal hexagonal bolt and the nut 5 is composed of a hexagonal nut has been described as an example, but the present invention is not limited to this, and for example, the bolt 3 May be constituted by a square bolt, a hexagon socket head bolt, etc., and the nut 5 may be constituted by a square nut, a cap nut, etc.
【0022】 さらに、前記実施例では、重合部材として鋼板1,2を用いる場合を例に挙げ て説明したが、本考案はこれに限らず、例えば一方の部材のブラケット部に他方 の部材のブラケット部等を重ね合わせて位置決めする場合等にも適用でき、ボル ト3とナット5とにより正確な位置決めが可能となる。Further, in the above-described embodiment, the case where the steel plates 1 and 2 are used as the overlapping member has been described as an example, but the present invention is not limited to this, and for example, the bracket portion of one member is attached to the bracket portion of the other member. The present invention can also be applied to the case where parts and the like are overlapped for positioning, and the bolt 3 and the nut 5 enable accurate positioning.
【0023】[0023]
以上詳述した通り本考案によれば、ボルトに頭部の座面とねじ棒との間に位置 してテーパ部を設け、ナットの座面側には軸方向に突出する筒状のテーパ部を設 けたから、ボルトとナットとの間で座金を介して各重合部材を締着するときに、 ボルトのテーパ部とナットのテーパ部とが各重合部材のボルト挿通穴内に嵌入し 、これらのテーパ部外周面が各ボルト挿通穴の端部と接触することにより、該各 ボルト挿通穴を自動的に芯合わせすることができ、各重合部材を正確に位置決め して固定でき、作業性を大幅に向上できる等、種々の効果を奏する。 As described above in detail, according to the present invention, the bolt is provided with a taper portion between the seat surface of the head and the screw rod, and the nut has a cylindrical taper portion projecting in the axial direction. The bolt taper and the nut taper are fitted into the bolt insertion hole of each polymerized member when tightening each polymerized member through the washer between the bolt and the nut. By contacting the outer peripheral surface of the taper part with the end of each bolt insertion hole, the bolt insertion hole can be automatically centered, and each overlapping member can be accurately positioned and fixed, greatly improving workability. It has various effects such as being improved.
【図1】本考案の実施例による重合部材の位置決め装置
を示す縦断面図である。FIG. 1 is a vertical cross-sectional view showing a positioning device for a superposed member according to an embodiment of the present invention.
【図2】図1に示すボルトの拡大図である。FIG. 2 is an enlarged view of the bolt shown in FIG.
【図3】図1に示すナットの半断面拡大図である。FIG. 3 is an enlarged half cross-sectional view of the nut shown in FIG.
1,2 鋼板(重合部材) 1A,2A ボルト挿通穴 1B,2B 角隅部 3 ボルト 3A,5C 座面 3B 頭部 3C,5D テーパ部 3D ねじ棒 4,6 座金 5 ナット 5A ねじ穴 1, 2 Steel plate (overlapping member) 1A, 2A Bolt insertion hole 1B, 2B Corner corner 3 Bolt 3A, 5C Seat surface 3B Head 3C, 5D Tapered part 3D Screw rod 4,6 Washer 5 Nut 5A Screw hole
Claims (1)
に重ね合わされる複数の重合部材と、ねじ棒が該各重合
部材のボルト挿通穴内に挿通され、頭部の座面が該各重
合部材のうち、一方の重合部材の表面に座金を介して当
接されるボルトと、該ボルトのねじ棒先端側に螺合し、
座面が他方の重合部材の表面に座金を介して当接するこ
とにより、該ボルトの頭部との間で各重合部材を締着す
るナットとからなる重合部材の位置決め装置において、
前記ボルトのねじ棒と頭部の座面との間には前記座金の
厚みより大きい長さ寸法を有し、前記ねじ棒側がボルト
挿通穴よりも小径となり、前記頭部の座面側がボルト挿
通穴よりも大径となったテーパ部を設け、前記ナットの
座面側には前記座金の厚みよりも大きい軸方向の突出長
さを有し、先端側外周がボルト挿通穴よりも小径とな
り、基端側外周がボルト挿通穴よりも大径となった筒状
のテーパ部を突設したことを特徴とする重合部材の位置
決め装置。1. A plurality of overlapping members, each of which is provided with a bolt insertion hole, and are overlapped with each other, and a screw rod is inserted into the bolt insertion hole of each of the overlapping members, and a seating surface of a head is formed of each of the overlapping members. Of these, a bolt abutted on the surface of one of the overlapping members via a washer, and screwed to the tip side of the screw rod of the bolt,
In a positioning device for a polymerized member, the seating surface abuts the surface of the other polymerized member via a washer, and a nut for fastening each polymerized member between the head of the bolt and
There is a length dimension larger than the thickness of the washer between the screw rod of the bolt and the seat surface of the head, the screw rod side has a smaller diameter than the bolt insertion hole, and the seat surface side of the head has a bolt insertion side. A tapered portion having a diameter larger than that of the hole is provided, and the seat surface side of the nut has an axial protruding length larger than the thickness of the washer, and the outer circumference on the tip side is smaller than the bolt insertion hole, A positioning device for a superposed member, characterized in that a cylindrical taper portion having a diameter larger than that of the bolt insertion hole is projectingly provided on the outer circumference on the base end side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10064591U JPH0542720U (en) | 1991-11-11 | 1991-11-11 | Positioning device for overlapping members |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10064591U JPH0542720U (en) | 1991-11-11 | 1991-11-11 | Positioning device for overlapping members |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0542720U true JPH0542720U (en) | 1993-06-11 |
Family
ID=14279566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10064591U Pending JPH0542720U (en) | 1991-11-11 | 1991-11-11 | Positioning device for overlapping members |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0542720U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002349529A (en) * | 2001-05-31 | 2002-12-04 | Toshiba Corp | Jointing device |
JP2003049817A (en) * | 2001-08-07 | 2003-02-21 | Japan Life Kk | Mounting bolt and mounting nut for post-fitting member |
-
1991
- 1991-11-11 JP JP10064591U patent/JPH0542720U/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002349529A (en) * | 2001-05-31 | 2002-12-04 | Toshiba Corp | Jointing device |
JP2003049817A (en) * | 2001-08-07 | 2003-02-21 | Japan Life Kk | Mounting bolt and mounting nut for post-fitting member |
JP4497502B2 (en) * | 2001-08-07 | 2010-07-07 | ジャパンライフ株式会社 | Mounting bolts and mounting nuts for retrofit members |
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