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JP2008256058A - Fastener - Google Patents

Fastener Download PDF

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Publication number
JP2008256058A
JP2008256058A JP2007097957A JP2007097957A JP2008256058A JP 2008256058 A JP2008256058 A JP 2008256058A JP 2007097957 A JP2007097957 A JP 2007097957A JP 2007097957 A JP2007097957 A JP 2007097957A JP 2008256058 A JP2008256058 A JP 2008256058A
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Japan
Prior art keywords
bolt
nut
fastener
collar
holder
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Granted
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JP2007097957A
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Japanese (ja)
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JP5004281B2 (en
Inventor
Satoshi Konagaya
聡 小長谷
Kazuoki Shibuya
和興 渋谷
Teishin Hasegawa
禎辰 長谷川
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Aoyama Seisakusho Co Ltd
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Aoyama Seisakusho Co Ltd
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Priority to JP2007097957A priority Critical patent/JP5004281B2/en
Priority to PCT/JP2008/000839 priority patent/WO2008129854A1/en
Publication of JP2008256058A publication Critical patent/JP2008256058A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
    • F16B5/0233—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment perpendicular to the plane of the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/025—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread specially designed to compensate for misalignement or to eliminate unwanted play

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fastener without requiring working for reducing the diameter of the shaft portion of a bolt, and besides without requiring a large space between both members. <P>SOLUTION: This fastener fastens the first member P1 and the second member P2 which are separated from each other while maintaining an interval between them. The fastener includes a nut 5 fixed to the first member P1, a holder 4 fixed to the first member P1, an adjust nut 3 unrotatably held in the holer 4, a bolt 1 inserted from the side of the second member P2 toward the first member P1, and a collar bolt 2 temporarily screwed around the male screw portion 12 of the bolt 1 through a torque transmission means. The collar bolt 2 is provided with a male screw portion 22 screwed in the adjust nut 3 on its periphery. The end of the collar bolt 2 is seated on the first member P1, and subsequently rotated, thereby the adjust nut 3 is moved to a position where it abuts on the second member P2 to maintain the interval between the first member P1 and the second member P2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、離間した２部材を相互の間隔を維持したままで固定するために用いられる締結具に関するものである。   The present invention relates to a fastener used for fixing two spaced apart members while maintaining a mutual distance.

従来から、自動車等の技術分野において２部材を相互の間隔を維持しながら固定するための締結具が提案されている。例えば特許文献１には、図８に示されるように、一方の部材１０１と他方の部材１０２にそれぞれナット１０３，１０４を取り付けておき、ボルト１０５とその雄ねじ部にトルク伝達手段を介して仮止め螺合されたカラーボルト１０６とを用いて、これらの部材１０１，１０２間を締結する締結具が開示されている。   2. Description of the Related Art Conventionally, fasteners for fixing two members while maintaining a mutual distance have been proposed in the technical field of automobiles and the like. For example, in Patent Document 1, as shown in FIG. 8, nuts 103 and 104 are attached to one member 101 and the other member 102, respectively, and a bolt 105 and a male screw portion thereof are temporarily fixed via a torque transmission means. A fastener that fastens the members 101 and 102 using a screwed collar bolt 106 is disclosed.

この特許文献１の締結具は、ボルト１０５を回転させることによりカラーボルト１０６を一方の部材１０１のナット１０３に螺合させて前進させ、カラーボルト１０６の先端が他方の部材１０２に着座するとトルク伝達手段が破壊されてボルト１０５とカラーボルト１０６とが分離され、ボルト１０５のみを更に前進させて他方の部材１０２のナット１０４と螺合させ、双方の部材１０１，１０２を締結できる構造となっている。   In the fastener of Patent Document 1, when the bolt 105 is rotated, the color bolt 106 is screwed into the nut 103 of one member 101 to advance, and when the tip of the color bolt 106 is seated on the other member 102, torque transmission is performed. The means 105 is destroyed and the bolt 105 and the collar bolt 106 are separated, and only the bolt 105 is further advanced to be screwed with the nut 104 of the other member 102 so that both the members 101 and 102 can be fastened. .

しかしこの特許文献１の締結具では、カラーボルト１０６の位置は部材１０１のナット１０３により規制され、また締結状態におけるボルト１０５の位置は部材１０２のナット１０４により規制される。このためこれらのナット１０３、１０４のセンターが一致しておれば問題はないが、実際には多少の建付け公差が生じる。そこでボルト１０５の軸部を細く加工し、ボルト１０５の雄ねじ１０７がカラーボルト１０６の雌ねじ１０８から離脱した後はボルト１０５が左右方向に移動可能とすることにより、建付け公差を吸収させている。このため、ボルト１０５の軸部の加工にコストを要するという問題があった。   However, in the fastener of Patent Document 1, the position of the collar bolt 106 is regulated by the nut 103 of the member 101, and the position of the bolt 105 in the fastened state is regulated by the nut 104 of the member 102. For this reason, there is no problem as long as the centers of these nuts 103 and 104 coincide with each other, but in reality, some installation tolerances occur. Therefore, the shaft portion of the bolt 105 is processed to be thin, and after the male screw 107 of the bolt 105 is detached from the female screw 108 of the collar bolt 106, the bolt 105 can be moved in the left-right direction to absorb the construction tolerance. For this reason, there existed a problem that the cost of the process of the axial part of the volt | bolt 105 was required.

また特許文献２には、図９に示されるように、離間した一方の部材１０１に固定されたスリーブ１１０と、このスリーブ１１０と逆ねじによって螺合されたカラーボルト１１１と、ボルト１１２とからなる締結具が開示されている。この締結具は、他方の部材１０２側から挿入したボルト１１２によりカラーボルト１１１を回転させ、カラーボルト１１１を逆ねじの作用によって他方の部材１０２に当たる位置まで移動させ、その後にボルト１１２の雄ねじ１１４をカラーボルト１１１の雌ねじ１１５から離脱させて一方の部材１０１に固定されたナット１１３と螺合させる構造となっている。   Further, as shown in FIG. 9, Patent Document 2 includes a sleeve 110 fixed to one of the separated members 101, a color bolt 111 screwed to the sleeve 110 by a reverse screw, and a bolt 112. A fastener is disclosed. In this fastener, the collar bolt 111 is rotated by the bolt 112 inserted from the other member 102 side, the collar bolt 111 is moved to a position where it contacts the other member 102 by the action of the reverse screw, and then the male screw 114 of the bolt 112 is moved. The collar bolt 111 is separated from the female screw 115 and is screwed into a nut 113 fixed to one member 101.

この特許文献２の締結具は、ナットが一方の部材に設けられており、ボルトとカラーボルトが同一軸線上に固定されるから、特許文献１の締結具のようにボルト１１２の軸部を細く加工して建付け公差を吸収させる必要はない。しかし、カラーボルト１１１を他方の部材１０２に当たる位置まで移動させた状態においてもなおスリーブ１１０との間の所定の嵌め合い長さを確保するためには、スリーブ１１０やカラーボルト１１１の首下を長くしておく必要がある。このため締結具の長さが大きくなり、双方の部材１０１，１０２間に大きいスペースが必要となるという問題があった。
特開２００２−１２２１１４号公報 特開２００５−６１６１３号公報 In the fastener of Patent Document 2, a nut is provided on one member, and the bolt and the color bolt are fixed on the same axis. Therefore, the shaft portion of the bolt 112 is made thinner like the fastener of Patent Document 1. There is no need to process and absorb building tolerances. However, in order to ensure a predetermined fitting length with the sleeve 110 even when the collar bolt 111 is moved to a position where it contacts the other member 102, the sleeve 110 and the collar bolt 111 are made long under the neck. It is necessary to keep it. For this reason, there existed a problem that the length of a fastener became large and the big space between both the members 101 and 102 was needed.
JP 2002-122114 A JP-A-2005-61613

本発明は、上記した従来の課題を解決するためになされたものであり、ボルトの軸部を細径加工する必要がないうえに、双方の部材間に大きいスペースを要しない締結具を提供することを目的とするものである。   The present invention has been made to solve the above-described conventional problems, and provides a fastener that does not require a small diameter machining of a shaft portion of a bolt and does not require a large space between both members. It is for the purpose.

上記目的を達成するためになされた本発明の締結具は、離間した第１部材と第２部材とを相互の間隔を維持したまま締結する締結具であって、第１部材に固定されたナットと、このナットと同一軸線上で第１部材に固定されたホルダと、このホルダ内に回転不能であるが軸線方向に移動可能に保持されたアジャストナットと、第２部材側から第１部材に向けて挿入されるボルトと、このボルトの雄ねじ部にトルク伝達手段を介して仮止め螺合されたカラーボルトとからなり、このカラーボルトは外周にアジャストナットに螺合する雄ねじ部を備え、カラーボルトの先端を第１部材に着座させたうえで更に回転させることにより、アジャストナットを第２部材に当たる位置まで移動させる機能を有することを特徴とするものである。   The fastener of the present invention made to achieve the above object is a fastener that fastens a first member and a second member that are spaced apart from each other while maintaining a mutual spacing, and is a nut fixed to the first member. And a holder fixed to the first member on the same axis as the nut, an adjustment nut that is non-rotatable in the holder but held movably in the axial direction, and from the second member side to the first member And a collar bolt temporarily screwed into the male threaded portion of the bolt via a torque transmitting means. The collar bolt has a male threaded portion that is threadedly engaged with an adjusting nut on the outer periphery. The bolt has a function of moving the adjusting nut to a position where it comes into contact with the second member by further rotating the bolt after the tip of the bolt is seated on the first member.

なお、全てのネジ部が右ねじであることが好ましい。また、ホルダが第１部材の取付孔に係合されるクリップ爪を備えたものであることが好ましい。さらにカラーボルトの雄ねじ部が、第２部材に近い頭部側に形成されていることが好ましい。   In addition, it is preferable that all the screw parts are right-handed screws. Moreover, it is preferable that the holder is provided with a clip claw engaged with the attachment hole of the first member. Furthermore, it is preferable that the male screw portion of the color bolt is formed on the head side close to the second member.

本発明の締結具は、ナットが一方の部材である第１部材に設けられており、ボルトとカラーボルトがそのナットと同一軸線上に固定される。このため、建付け公差がある場合にも第２部材の貫通孔を余裕を持たせたサイズにしておけば、特許文献１のようにボルトの軸部を細く加工して建付け公差を吸収させる必要がなく、コストダウンを図ることができる。また本発明の締結具は、アジャストナットをカラーボルトの頭部側に移動させて第１部材と第２部材との間隙を埋める構造であるから、アジャストナットを移動させてもアジャストナットの高さ分の嵌め合い長さを常に確保することができる。このため特許文献２のようにカラーボルトの首下を長くする必要がなくなり、締結具の長さを短縮できるので、双方の部材間に大きいスペースを要しない。しかも、特許文献２のようにアジャストナットを左ねじにする必要がないので左ねじ製造用の転造ダイスは不要であり、製造コストを抑えることができる。   In the fastener of the present invention, the nut is provided on the first member which is one member, and the bolt and the collar bolt are fixed on the same axis as the nut. For this reason, even if there is a construction tolerance, if the through hole of the second member is made a size with a margin, the shaft portion of the bolt is thinly processed as in Patent Document 1 to absorb the construction tolerance. There is no need, and the cost can be reduced. Further, the fastener of the present invention has a structure in which the adjustment nut is moved to the head side of the collar bolt to fill the gap between the first member and the second member, so that the height of the adjustment nut can be increased even if the adjustment nut is moved. The fitting length of the minutes can always be ensured. For this reason, it is not necessary to lengthen the neck of the color bolt as in Patent Document 2, and the length of the fastener can be shortened, so that a large space is not required between both members. In addition, since there is no need for the adjustment nut to be a left-hand thread as in Patent Document 2, a rolling die for producing a left-hand thread is unnecessary, and the manufacturing cost can be reduced.

以下に図１〜図７を参照しつつ、本発明の実施形態を示す。
図１に示すように、本実施形態の締結具は、金属製のボルト１と、金属製のカラーボルト２と、金属製のアジャストナット３と、樹脂製のホルダ４と、金属製のナット５とから構成されている。ここでは、ホルダ４、ナット５が固定される部材を第１部材Ｐ１、ボルト１が挿入される側の部材を第２部材Ｐ２（図１では省略）と呼ぶこととする。 Embodiments of the present invention will be described below with reference to FIGS.
As shown in FIG. 1, the fastener of this embodiment includes a metal bolt 1, a metal collar bolt 2, a metal adjustment nut 3, a resin holder 4, and a metal nut 5. It consists of and. Here, a member to which the holder 4 and the nut 5 are fixed is referred to as a first member P1, and a member into which the bolt 1 is inserted is referred to as a second member P2 (not shown in FIG. 1).

前記ボルト１は、大径の頭部１０と円柱状軸部１１とその先端側に転造形成された右ねじの雄ねじ部１２とからなる。その先端部に雄ねじ部１２よりも小径の棒先部１３を形成してカラーボルト２やナット５への螺挿が容易となるようにしている。円柱状軸部１１は細径加工する必要はない。   The bolt 1 includes a large-diameter head 10, a cylindrical shaft portion 11, and a right-handed male screw portion 12 formed by rolling on the tip side thereof. A rod tip portion 13 having a diameter smaller than that of the male screw portion 12 is formed at the tip portion so that the collar bolt 2 and the nut 5 can be easily screwed. The cylindrical shaft portion 11 does not need to be processed with a small diameter.

カラーボルト２は、内面に雌ねじ部２１を形成するとともに外面に雄ねじ部２２を形成したもので、いずれも右ねじである。雌ねじ部２１は第２部材に近い頭部側に数ピッチだけ形成され、雄ねじ部２２も第２部材に近い頭部側に形成されている。これらは締結完了までに要するボルト１の回転数を減少させ、作業性を向上させるためである。カラーボルト２の雌ねじ部２１はボルト１の雄ねじ部１２にトルク伝達手段を介して螺合され、初期段階においてはボルト１とともに回転できるようになっている。   The color bolt 2 has a female screw portion 21 formed on the inner surface and a male screw portion 22 formed on the outer surface, and both are right-handed screws. The female screw portion 21 is formed by several pitches on the head side close to the second member, and the male screw portion 22 is also formed on the head side close to the second member. These are for reducing the number of rotations of the bolt 1 required to complete the fastening and improving workability. The female screw portion 21 of the color bolt 2 is screwed to the male screw portion 12 of the bolt 1 via a torque transmission means, and can rotate with the bolt 1 in the initial stage.

トルク伝達手段は、ボルト１からカラーボルト２に対して所定のトルクまでは伝達できるが、それを超えるとボルト１のみが回転できる機能を備えたものであり、具体的にはボルト１の雄ねじ部１２に塗布される粘着材、またはねじ山の一部を潰して抵抗を付与した変形部とすることができる。このようなトルク伝達手段によりボルト１にカラーボルト２が仮止め螺合されているので、搬送時の振動等でカラーボルト２とボルト１とが分離されることがない。   The torque transmission means is capable of transmitting a predetermined torque from the bolt 1 to the collar bolt 2, but has a function that allows only the bolt 1 to rotate when the torque is exceeded, specifically, the male thread portion of the bolt 1 12 can be a deformed portion applied with resistance by crushing a part of the adhesive material or the screw thread. Since the color bolt 2 is temporarily fixed and screwed to the bolt 1 by such torque transmission means, the color bolt 2 and the bolt 1 are not separated due to vibration during transportation.

第１部材Ｐ１に形成された貫通孔５２の裏面（第２部材Ｐ２から遠い方の面）には、ナット５が例えば溶接により固定されており、また第１部材Ｐ１の表面（第２部材Ｐ２側の面）にはホルダ４が固定されている。ナット５は右ねじのナットであって、ボルト１の雄ねじ部１２と螺合できる雌ねじ部５１を備えている。ナット５とホルダ４とは軸線を一致させておく。   A nut 5 is fixed to the back surface (surface far from the second member P2) of the through hole 52 formed in the first member P1, for example, by welding, and the front surface (second member P2) of the first member P1. The holder 4 is fixed to the side surface. The nut 5 is a right-handed screw nut and includes a female screw portion 51 that can be screwed with the male screw portion 12 of the bolt 1. The nut 5 and the holder 4 have the same axis.

ホルダ４は第１部材Ｐ１の取付孔８に係合される複数のクリップ爪４１を備えた樹脂製部材であり、ホルダ４はこの実施形態では六角筒状であって、その内部に六角形状のアジャストナット３が、回転不能であるが軸線方向に移動可能に保持されている。なおホルダの材質は樹脂のほかにアルミニウム製、鋳鉄製など任意の材質とすることができる。このようにしておけば、搬送時の振動等でアジャストナット３とホルダ４とが分離されることがなく、また使用時に所定の力が加われば分離してアジャストナット３のみを軸線方向に移動させることが可能となる。なお、ホルダ４とアジャストナット３は六角筒状に限るものではなく、三角、四角等の多角筒状、あるいはキー係合により回転不能であるが軸線方向に移動可能な構成であればよい。   The holder 4 is a resin member provided with a plurality of clip claws 41 engaged with the mounting holes 8 of the first member P1, and the holder 4 has a hexagonal cylindrical shape in this embodiment, and has a hexagonal shape therein. The adjustment nut 3 is held so as to be non-rotatable but movable in the axial direction. In addition to the resin, the holder can be made of any material such as aluminum or cast iron. If it does in this way, adjustment nut 3 and holder 4 will not be separated by vibration etc. at the time of conveyance, and if predetermined force is applied at the time of use, it will be separated and only adjustment nut 3 will be moved in the direction of an axis. It becomes possible. Note that the holder 4 and the adjusting nut 3 are not limited to a hexagonal cylinder shape, but may be a polygonal cylinder shape such as a triangle or a square, or any configuration that is not rotatable by key engagement but is movable in the axial direction.

次に図４〜７に基づいて、本発明の締結具を使用して第１部材Ｐ１と第２部材Ｐ２、相互の間隔を維持しながら締結する方法を説明する。第１部材Ｐ１は例えば自動車のサイドプレートであり、第２部材Ｐ２は例えば自動車のフロントピラーである。   Next, based on FIGS. 4-7, the method of fastening using the fastener of this invention, maintaining the space | interval of the 1st member P1 and the 2nd member P2, is demonstrated. The first member P1 is, for example, an automobile side plate, and the second member P2 is, for example, an automobile front pillar.

図４に示されるように、まずホルダ４のクリップ爪４１を弾性変形させて第１部材Ｐ１の取付孔８に嵌合させ、ホルダ４を第１部材Ｐ１に固定する。ホルダ４の内部にはアジャストナット３が保持されている。このときアジャストナット３の底面は第１部材Ｐ１に着座している。   As shown in FIG. 4, the clip claw 41 of the holder 4 is first elastically deformed and fitted into the mounting hole 8 of the first member P1, and the holder 4 is fixed to the first member P1. An adjustment nut 3 is held inside the holder 4. At this time, the bottom surface of the adjusting nut 3 is seated on the first member P1.

次いで、第２部材Ｐ２に透設されている貫通孔９内に、カラーボルト２を備えたボルト１を挿入し、カラーボルト２の略上半部に形成された雄ねじ部２２をアジャストナット３の雌ねじ部３１に螺合させる。カラーボルト２はボルト１の雄ねじ部１２にトルク伝達手段を介して螺合されているので、ボルト１とともに回転してアジャストナット３の内部に前進して行く。この螺合は、図５に示されるように、カラーボルト２の先端が第１部材Ｐ１に着座するまで行われる。このようにカラーボルト２の先端が第１部材Ｐ１に当接したとき、カラーボルト２の雄ねじ部２２はアジャストナット３の雌ねじ部３１に数ピッチ螺合される。   Next, the bolt 1 provided with the collar bolt 2 is inserted into the through hole 9 formed in the second member P <b> 2, and the male screw portion 22 formed in the substantially upper half of the collar bolt 2 is inserted into the adjustment nut 3. Screwed into the female screw portion 31. Since the collar bolt 2 is screwed to the male threaded portion 12 of the bolt 1 via a torque transmission means, the collar bolt 2 rotates together with the bolt 1 and advances into the adjustment nut 3. As shown in FIG. 5, this screwing is performed until the tip of the collar bolt 2 is seated on the first member P1. Thus, when the tip of the collar bolt 2 comes into contact with the first member P1, the male screw portion 22 of the color bolt 2 is screwed into the female screw portion 31 of the adjustment nut 3 by several pitches.

カラーボルト２の先端が第１部材Ｐ１に当接した後もなおボルト１を回動させると、カラーボルト２はそれ以上前進することができないためその位置にとどまったまま回転することとなる。それによって、カラーボルト２の雄ねじ部２２と螺合しているアジャストナット３が第２部材Ｐ２の方向に移動し、図６に示すようにアジャストナット３の上端が第２部材Ｐ２に当接する。このアジャストナット３の移動によっても、アジャストナット３とカラーボルトの嵌め合い長さは常に確保されている。   If the bolt 1 is still rotated even after the tip of the color bolt 2 comes into contact with the first member P1, the color bolt 2 cannot be moved forward any further, so that it stays in that position and rotates. As a result, the adjustment nut 3 screwed with the male screw portion 22 of the collar bolt 2 moves in the direction of the second member P2, and the upper end of the adjustment nut 3 abuts against the second member P2 as shown in FIG. Even when the adjustment nut 3 is moved, the fitting length of the adjustment nut 3 and the collar bolt is always secured.

この図６の状態に至ると、カラーボルト２もアジャストナット３もそれ以上は移動できなくなり、アジャストナット３とカラーボルト２とは第１部材Ｐ１と第２部材Ｐ２との間隙を固定した状態となる。この状態から更に強くボルト１を回動すると、一定値を越えるトルクがカラーボルト２とボルト１間に働くのでトルク伝達手段が破壊され、ボルト１の雄ねじ部２１はカラーボルト２の雌ねじ部２１内にねじ込まれていくこととなる。   When the state shown in FIG. 6 is reached, neither the color bolt 2 nor the adjustment nut 3 can move any further, and the adjustment nut 3 and the collar bolt 2 are in a state where the gap between the first member P1 and the second member P2 is fixed. Become. When the bolt 1 is further strongly rotated from this state, a torque exceeding a certain value acts between the color bolt 2 and the bolt 1, so that the torque transmitting means is destroyed, and the male screw portion 21 of the bolt 1 is in the female screw portion 21 of the color bolt 2. It will be screwed into.

そして、最終的にはボルト１の雄ねじ部１２はカラーボルト２の雌ねじ部２１から離脱して、第１部材Ｐ1のナット５の雌ねじ部５１に螺挿されることとなる。この螺挿によりボルト１の頭部１０が第２部材Ｐ２に当接され、図７に示すように、第１部材Ｐ１と第２部材Ｐ２とは一定間隔離間された状態で締結されることとなる。なお、第２部材Ｐ２の貫通孔９を余裕を持たせたサイズにしておけば、ボルト１及びカラーボルト２は第２部材Ｐ２の貫通孔９の内部で自由に動くことができるので、第１部材Ｐ１のナット５と第２部材Ｐ２の貫通孔９とのセンターが正確に一致していなくても差し支えない。   Finally, the male screw portion 12 of the bolt 1 is detached from the female screw portion 21 of the collar bolt 2 and is screwed into the female screw portion 51 of the nut 5 of the first member P1. By this screwing, the head 10 of the bolt 1 is brought into contact with the second member P2, and as shown in FIG. 7, the first member P1 and the second member P2 are fastened at a predetermined interval. Become. If the through hole 9 of the second member P2 has a sufficient size, the bolt 1 and the collar bolt 2 can move freely inside the through hole 9 of the second member P2. It does not matter if the centers of the nut 5 of the member P1 and the through hole 9 of the second member P2 do not exactly match.

上記したように、本発明の締結具は離間した第１部材Ｐ１と第２部材Ｐ２とを相互の間隔を維持したままで固定することができる。またボルト１とカラーボルト２は第１部材Ｐ１のナット５と同一軸線上に固定されるので、第２部材Ｐ２の貫通孔９を余裕を持たせたサイズにしておけば、建付け公差を吸収するためにボルト１の径を細く加工する必要がない。   As described above, the fastener of the present invention can fix the separated first member P1 and second member P2 while maintaining the mutual distance. Further, since the bolt 1 and the collar bolt 2 are fixed on the same axis as the nut 5 of the first member P1, if the through-hole 9 of the second member P2 is sized to have a margin, the installation tolerance is absorbed. Therefore, it is not necessary to make the diameter of the bolt 1 thin.

またアジャストナット３はカラーボルト２の基部側、すなわち第２部材側に移動するので、アジャストナット３とカラーボルト２との嵌め合い長さは常に確保されており、アジャストナット３を縦長にする必要がない。このため第１部材Ｐ１と第２部材Ｐ２との間に大きなスペースは不要である。さらにすべてのねじを右ねじとすることができるので、左ねじ用の転造ダイスは不要であり、製造コストが安価となるなどの多くの利点がある。   Further, since the adjustment nut 3 moves to the base side of the collar bolt 2, that is, the second member side, the fitting length between the adjustment nut 3 and the collar bolt 2 is always secured, and the adjustment nut 3 needs to be vertically long. There is no. For this reason, a big space is unnecessary between the 1st member P1 and the 2nd member P2. Furthermore, since all the screws can be right-handed, there are many advantages such as the need for a rolling die for the left-handed screw and a reduction in manufacturing costs.

本発明の実施形態の締結具を分解して示す斜視図である。It is a perspective view which decomposes | disassembles and shows the fastener of embodiment of this invention. アジャストナットを保持したホルダの断面図である。It is sectional drawing of the holder holding the adjustment nut. ホルダの平面図である。It is a top view of a holder. 締結具による締結の初期状態を示す断面図である。It is sectional drawing which shows the initial state of the fastening by a fastener. カラーボルトがアジャストナットに螺挿された状態を示す断面図である。It is sectional drawing which shows the state in which the color volt | bolt was screwed by the adjustment nut. アジャストナットが第２部材に当接した状態を示す断面図である。It is sectional drawing which shows the state which the adjustment nut contact | abutted to the 2nd member. ボルトの雄ねじ部が第１部材のナットの雌ねじ部に螺合した状態を示す断面図である。It is sectional drawing which shows the state in which the external thread part of the volt | bolt was screwed together with the internal thread part of the nut of a 1st member. 従来技術を説明する断面図である。It is sectional drawing explaining a prior art. 他の従来技術を説明する断面図である。It is sectional drawing explaining another prior art.

符号の説明Explanation of symbols

Ｐ１ 第１部材
Ｐ２ 第２部材
１ ボルト
２ カラーボルト
３ アジャストナット
４ ホルダ
５ ナット
８ 第１部材の取付孔
９ 第２部材の貫通孔
１０ 頭部
１１ 円柱状軸部
１２ ボルトの雄ねじ部
１３ 棒先部
２１ カラーボルトの雌ねじ部
２２ カラーボルトの雄ねじ部
３１ アジャストナットの雌ねじ部
４１ クリップ爪
５１ ナットの雌ねじ部
５２ 第１部材の貫通孔 P1 First member P2 Second member 1 Bolt 2 Color bolt 3 Adjustment nut 4 Holder 5 Nut 8 First member mounting hole 9 Second member through hole 10 Head 11 Columnar shaft portion 12 Bolt male screw portion 13 Rod end Part 21 female screw part 22 of color bolt male screw part 31 of color bolt female screw part 41 of adjusting nut 41 clip claw 51 female screw part 52 of nut 52 through hole of first member

Claims (4)

離間した第１部材と第２部材とを相互の間隔を維持したまま締結する締結具であって、第１部材に固定されたナットと、このナットと同一軸線上で第１部材に固定されたホルダと、このホルダ内に回転不能であるが軸線方向に移動可能に保持されたアジャストナットと、第２部材側から第１部材に向けて挿入されるボルトと、このボルトの雄ねじ部にトルク伝達手段を介して仮止め螺合されたカラーボルトとからなり、このカラーボルトは外周にアジャストナットに螺合する雄ねじ部を備え、カラーボルトの先端を第１部材に着座させたうえで更に回転させることにより、アジャストナットを第２部材に当たる位置まで移動させる機能を有することを特徴とする締結具。   A fastener that fastens a first member and a second member that are spaced apart from each other while maintaining a mutual distance, and a nut that is fixed to the first member, and is fixed to the first member on the same axis as the nut. A holder, an adjustment nut that is non-rotatable in the holder but held so as to be movable in the axial direction, a bolt that is inserted from the second member side toward the first member, and torque transmission to the male thread portion of the bolt The collar bolt has a male screw portion that is screwed to an adjustment nut on the outer periphery, and is further rotated after the tip of the collar bolt is seated on the first member. Accordingly, the fastener has a function of moving the adjustment nut to a position where it comes into contact with the second member. 全てのネジ部が右ねじであることを特徴とする請求項１に記載の締結具。   The fastener according to claim 1, wherein all screw parts are right-hand threads. ホルダが、第１部材の取付孔に係合されるクリップ爪を備えたものであることを特徴とする請求項１に記載の締結具。   The fastener according to claim 1, wherein the holder is provided with a clip claw engaged with the mounting hole of the first member. カラーボルトの雄ねじ部が、第２部材に近い頭部側に形成されていることを特徴とする請求項１に記載の締結具。   The fastener according to claim 1, wherein the male screw portion of the color bolt is formed on the head side close to the second member.
JP2007097957A 2007-04-04 2007-04-04 Fastener Active JP5004281B2 (en)

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