JP2000154810A - Bolt with slip-off preventing function and fixing structure of member - Google Patents
Bolt with slip-off preventing function and fixing structure of memberInfo
- Publication number
- JP2000154810A JP2000154810A JP10327364A JP32736498A JP2000154810A JP 2000154810 A JP2000154810 A JP 2000154810A JP 10327364 A JP10327364 A JP 10327364A JP 32736498 A JP32736498 A JP 32736498A JP 2000154810 A JP2000154810 A JP 2000154810A
- Authority
- JP
- Japan
- Prior art keywords
- screw rod
- male screw
- nut
- center hole
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、抜止め機能付き
ボルトおよび部材の固定構造に関し、詳しくは二枚以上
の板材を片面側からの操作により締結することのできる
抜止め機能付きボルトおよび部材の固定構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bolt having a retaining function and a fixing structure of a member, and more particularly to a bolt having a retaining function and a member capable of fastening two or more plate members by operation from one side. Related to fixed structure.
【０００２】[0002]
【従来の技術】従来、二枚以上の板材を片面側から固定
する締結具として図８、図９に示すようなブラインドリ
ベットが一般的に知られている。2. Description of the Related Art Conventionally, blind rivets as shown in FIGS. 8 and 9 are generally known as fasteners for fixing two or more plate members from one side.
【０００３】図８に示すブラインドリベットは、図８
（ａ）に示すように鍔部１０を設けた筒状部材１１に先
端が拡大された芯部材１２を前記筒状部材１１の先端側
から挿通して組み合わせ、この組み合わせ体１３を二枚
の板部材１４、１５に穿設した貫通孔１６に挿通し、図
８（ｂ）に示すように治具１７で芯部材１２を把持して
牽引し、筒状部材１１を拡径しつつ引き抜き、最終的に
図８（ｃ）に示すように拡径変形部１１ａを二枚の板材
の裏面側に係合させて鍔部１０との間で係止するように
したものである。The blind rivet shown in FIG.
(A) As shown in (a), a core member 12 having an enlarged tip is inserted into a tubular member 11 provided with a flange portion 10 from the tip end side of the tubular member 11 and combined, and the combined body 13 is made of two plates. 8B, the core member 12 is gripped and pulled by the jig 17 as shown in FIG. 8B, and the cylindrical member 11 is pulled out while expanding in diameter. Specifically, as shown in FIG. 8 (c), the enlarged diameter deforming portion 11a is engaged with the back surfaces of the two plate members so as to be engaged with the flange portion 10.
【０００４】図９に示すブラインドリベットは、図９
（ａ）に示すように鍔部１０を設けた中空軸部材１８の
先端に割り１９と内底部２０を形成し、同図（ｂ）に示
すようにピン２１を挿入し、同図（ｃ）に示すようにピ
ン２１を強く叩き込んで先端の割り１９を拡径させ、こ
の拡径部１８ａを二枚の板材１４、１５の裏面側に係合
させて鍔部１０との間で係止するようにしたものであ
る。[0004] The blind rivet shown in FIG.
A split 19 and an inner bottom portion 20 are formed at the tip of a hollow shaft member 18 provided with a flange portion 10 as shown in (a), and a pin 21 is inserted as shown in FIG. As shown in (2), the pin 21 is forcibly beaten to expand the diameter of the split 19 at the tip, and the enlarged diameter portion 18a is engaged with the back sides of the two plate members 14 and 15 to be locked with the flange portion 10. It is like that.
【０００５】[0005]
【発明が解決しようとする課題】ところで上記ブライン
ドリベットは片面側から引き抜いた芯部１２あるいは片
面から打ち込んだピン２１によってピン奥端を拡径して
締結固定するものであるから、特に図9に示したものは
締結すべき二つの部材を締め付け固定する軸方向力が殆
ど得られず、このため二つの部材間にせん断方向の力が
作用した場合、ピンのせん断力のみで対向せざるを得
ず、締結力が十分でない問題があった。Since the blind rivet described above has a core portion 12 pulled out from one side or a pin 21 driven from one side, the inner end of the pin is enlarged and fastened and fixed. The one shown shows that almost no axial force for tightening and fixing the two members to be fastened can be obtained. Therefore, when a force in the shear direction acts between the two members, they must be opposed only by the shear force of the pin. However, there was a problem that the fastening force was not sufficient.
【０００６】また、図８、図９に示したものは、芯１
２、ピン２１を操作した後は、ボルトナットのような増
し締めのような処置ができず、何らかの理由で締結力が
緩んだ場合は、対策のとりようがない問題もあった。FIG. 8 and FIG. 9 show the core 1
2. After the pin 21 is operated, measures such as retightening such as bolts and nuts cannot be performed, and if the fastening force is loosened for any reason, there is a problem that no countermeasure can be taken.
【０００７】この発明は上記問題点を解消し、片側面か
らピンを打ち込んで固定するにもかかわらず十分な締結
力が発揮され、打ち込み固定後も増し締め可能とするこ
とを課題としてなされたものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has an object to provide a sufficient fastening force despite the fact that a pin is driven in from one side to fix the pin, so that the pin can be further tightened after being fixed. It is.
【０００８】[0008]
【課題を解決するための手段】請求項１は抜止め機能付
きボルトに関し、ナットがネジ嵌合される雄ねじロッド
の軸心に沿って一端から他端側へ向けて中心孔が穿設さ
れていると共に、該雄ねじロッドの他端には前記中心孔
へ至る割りが形成され、該割りが前記雄ねじロッドの一
端側から中心孔に強制的に嵌入されるピンによって拡開
可能とされ、前記拡開部との間で部材を緊締可能とされ
てなる。A first aspect of the present invention relates to a bolt with a retaining function, wherein a center hole is formed from one end to the other end along the axis of a male screw rod into which a nut is screwed. At the same time, a split leading to the center hole is formed at the other end of the male screw rod, and the split can be opened by a pin that is forcibly fitted into the center hole from one end side of the male screw rod. The member can be tightened between the opening and the opening.
【０００９】従って、この発明の抜止め機能付きボルト
によれば、対象物に挿入して挿入端を拡径すれば、その
後は雄ねじロッドにネジ嵌合したナットを締結していく
ことで部材を緊締締結することが可能となり、部材間の
摩擦力もせん断力に対向できるようにすることが可能と
なる。Therefore, according to the bolt with retaining function of the present invention, if the member is inserted into the object and the insertion end is enlarged, then the nut screw-fitted to the male screw rod is tightened to connect the member. Tightening can be performed, and the frictional force between the members can be made to oppose the shearing force.
【００１０】請求項２は上記抜け止め機能付きボルトを
用いた部材の固定構造に関し、一端にナットをネジ嵌合
した上記雄ねじロッドの他端が被固定部材に形成された
貫通孔に挿通され、前記ロッドの中心孔に嵌入されたピ
ンによって前記他端が貫通孔より大径に拡開変形させ、
該拡径変形部を前記被固定部材裏面側に係止させて前記
一端側からネジ嵌合された前記ナットが被固定部材に緊
締され、該緊締力による被固定部材間に発生する摩擦力
によって被固定部材間のせん断ずれが防止されてなるも
のである。A second aspect of the present invention relates to a fixing structure of a member using the bolt having a retaining function, wherein the other end of the male screw rod having a nut fitted to one end thereof is inserted into a through hole formed in the member to be fixed. The other end is expanded and deformed to have a larger diameter than the through hole by a pin fitted into the center hole of the rod,
The nut, which is screwed from the one end side, is fastened to the fixed member by locking the enlarged-diameter deformed portion on the back surface side of the fixed member, and the nut is tightened by the frictional force generated between the fixed members due to the tightening force. The shear displacement between the fixed members is prevented.
【００１１】この発明によれば、例えば管状体の外壁外
面にブラケットなどの部材を強固に取り付ける場合に、
外面からの作業だけで強固に部材を固定できる。According to the present invention, for example, when a member such as a bracket is firmly attached to the outer surface of the outer wall of the tubular body,
The member can be firmly fixed only by working from the outside.
【００１２】[0012]
【発明の実施の形態】次に、この発明の実施の形態の抜
止め機能付きボルトについて説明する。図１は、抜止め
機能付きボルトの分解側面図、図２は同組み立てた状態
の断面図、図３は図１の右側から見た端面図である。Next, a bolt with a retaining function according to an embodiment of the present invention will be described. 1 is an exploded side view of a bolt with a retaining function, FIG. 2 is a sectional view of the assembled state, and FIG. 3 is an end view as viewed from the right side of FIG.
【００１３】図１において、１は雄ねじロッドを示し、
鋼鉄、ステンレス、アルミ軽金属合金製などの金属製と
されている。この雄ねじロッド１の一端から他端へかけ
外周のネジすじ１ａにナット２がネジ嵌合可能とされて
いる。In FIG. 1, reference numeral 1 denotes a male screw rod,
It is made of metal such as steel, stainless steel, and aluminum light metal alloy. A nut 2 can be screw-fitted to a screw thread 1a on the outer circumference from one end of the male screw rod 1 to the other end.
【００１４】また、雄ねじロッド１の軸心に沿って一端
側から他端側へ向けて中心孔３が穿設され、雄ねじロッ
ド１の他端側には前記中心孔３へ至る割り４、４が形成
されている。A center hole 3 is formed along the axis of the male screw rod 1 from one end to the other end, and the other end of the male screw rod 1 has splits 4 and 4 extending to the center hole 3. Are formed.
【００１５】上記中心孔３は、割り４部分で内径が縮径
され、この縮径部３ａで強制的に嵌入されるピン５によ
って拡開可能とされている。なお、上記実施の形態とし
て割りが４方に設けられている場合を示したが、３方向
あるいは２方向だけでも良い。要するにピン５の挿入に
より末端が拡径変形できるように形成されていれば良
い。The center hole 3 is reduced in inner diameter at a split 4 portion, and can be expanded by a pin 5 forcibly fitted in the reduced diameter portion 3a. In the above-described embodiment, the case where the splits are provided in four directions has been described, but only three directions or two directions may be used. In short, it suffices if the terminal 5 is formed so that the end can be expanded and deformed by inserting the pin 5.
【００１６】次に、この実施の形態における抜止め機能
付きボルトの使用状態を説明する。まず、雄ねじロッド
１の一端にナット２をネジ嵌合し、図４に示すように接
合すべき二つの材６ａ、６ｂに貫設した貫通孔７に雄ね
じロッド１を挿通する。Next, the use state of the bolt with a retaining function in this embodiment will be described. First, the nut 2 is screw-fitted to one end of the male screw rod 1 and the male screw rod 1 is inserted into a through hole 7 formed through two members 6a and 6b to be joined as shown in FIG.
【００１７】次に、図５に示すようにピン５を雄ねじロ
ッド１の中心孔３に挿入し段部３ａに当接するまで挿入
する。この状態からピン５の他端を強く打ち込めば、図
６に示すように雄ねじロッド１のナット2が一方の材６
ａに係合し軸方向には支持されるので割り４、４部分が
材６ｂの裏面側で拡大変形されこの部分が部材６ｂに係
合して雄ねじロッド１は材６ｂから抜けなくなる。特に
ピン５をそのまま雄ねじロッド１内に残しておけば、拡
大変形した割り４、４部分が元の径に復元しないのでよ
り強力な係止止着力が発揮される。Next, as shown in FIG. 5, the pin 5 is inserted into the center hole 3 of the male screw rod 1 until it comes into contact with the step 3a. When the other end of the pin 5 is strongly driven in this state, as shown in FIG.
a and is axially supported, the splits 4 and 4 are enlarged and deformed on the back side of the material 6b, and this portion engages with the member 6b so that the male screw rod 1 does not come off from the material 6b. In particular, if the pin 5 is left in the male screw rod 1 as it is, the enlarged and deformed split portions 4 and 4 do not return to their original diameters, so that a stronger locking and fastening force is exerted.
【００１８】また、雄ねじロッド１の拡大部に雄ねじの
ネジ筋１ａが形成されている場合は、部材６ｂにこのネ
ジ筋１ａが引っ掛かって係合するので抜け出し防止機能
がより強力に発揮される。Further, when the male thread 1a is formed in the enlarged portion of the male thread rod 1, the thread 1a is hooked and engaged with the member 6b, so that the slip-out preventing function is more strongly exerted.
【００１９】従って、図６に示した状態からナット２を
緊締すれば二つの部材６ａ、６ｂは強く圧接され両者間
にせん断力が作用した場合、雄ねじロッド１のせん断力
のみならず材６ａ、６ｂ間の摩擦力も対抗するので止着
強度が向上する。Therefore, when the nut 2 is tightened from the state shown in FIG. 6, the two members 6a and 6b are strongly pressed and a shear force acts between the two members 6a and 6b. Since the frictional force between the members 6b is also opposed, the fastening strength is improved.
【００２０】また、ナット２が雄ねじロッド１に対し経
時的に緩むことがあっても適宜増し締めすることができ
る。従って、図７（ａ）、（ｂ）に示すように中空内部
からのナット固定が困難な管状部品６bの外周にブラケ
ット６aを固定する場合等に非常に強固な取り付け強度
とすることが可能となる。Further, even if the nut 2 is loosened over time with respect to the male screw rod 1, the nut 2 can be properly retightened. Therefore, as shown in FIGS. 7 (a) and 7 (b), when the bracket 6a is fixed to the outer periphery of the tubular part 6b where it is difficult to fix the nut from the inside of the hollow, it is possible to achieve a very strong mounting strength. Become.
【００２１】[0021]
【発明の効果】以上説明したように、この発明によれば
二つの部材を締結する場合、裏面側からの抜け止めに対
し表面側からはナットで緊締することができ、裏面から
ナット締結ができない被着部材の止着が部材の表面側か
ら非常に容易にできる効果を有する。As described above, according to the present invention, when two members are fastened, the nut can be tightened from the front side to prevent the back side from coming off, and the nut cannot be fastened from the back side. This has an effect that the attachment member can be very easily fixed from the surface side of the member.
【００２２】また、止着される部材同士も抜け止めされ
たロッドにナットをネジ嵌合して緊締圧着されるから、
せん断力に対しボルト自体のせん断力の他、部材同士の
圧着摩擦力も抵抗として作用するので止着力が非常に優
れる効果を有する。Further, since the members to be fastened are screwed together with the nuts and screwed to the rods which have been prevented from coming off,
In addition to the shearing force of the bolt itself, the frictional force of the members pressing against each other acts as a resistance to the shearing force, so that the fastening force is very excellent.
【図１】この発明の実施の形態の分解側面図である。FIG. 1 is an exploded side view of an embodiment of the present invention.
【図２】この発明の実施の形態の組み立てた状態の断面
図である。FIG. 2 is a sectional view of an assembled state of the embodiment of the present invention.
【図３】図２の右側面図である。FIG. 3 is a right side view of FIG. 2;
【図４】抜け止め機能付きボルトの使用状態を示す断面
図である。FIG. 4 is a sectional view showing a use state of the bolt with a retaining function.
【図５】同じく使用状態を示す断面図である。FIG. 5 is a cross-sectional view showing a use state.
【図６】部材の固定構造を示す断面図である。FIG. 6 is a sectional view showing a fixing structure of a member.
【図７】この発明の実施の形態の使用状態を示す破断斜
視図であり、（ａ）は角パイプにアングル材を，（ｂ）
は杭などの鋼パイプにブラケットを取付ける場合を示
す。FIGS. 7A and 7B are cutaway perspective views showing a use state of the embodiment of the present invention, wherein FIG.
Indicates a case where a bracket is attached to a steel pipe such as a pile.
【図８】従来例の断面図であり、（ａ）は止着前の状
態、（ｂ）は止着中の状態、（ｃ）は止着完了の状態を
示す断面図である。8A and 8B are cross-sectional views of a conventional example, wherein FIG. 8A is a cross-sectional view showing a state before fastening, FIG. 8B is a sectional view showing a state during fastening, and FIG.
【図９】他の従来例の断面図であり、（ａ）は止着前の
状態、（ｂ）は止着中の状態、（ｃ）は止着完了の状態
を示す断面図である。FIGS. 9A and 9B are cross-sectional views of another conventional example, in which FIG. 9A is a cross-sectional view showing a state before fastening, FIG. 9B is a sectional view showing a state during fastening, and FIG.
１ 雄ねじロッド ２ ナット ３ 中心孔 ４ 割り ５ ピン 1 Male thread rod 2 Nut 3 Center hole 4 Split 5 Pin
フロントページの続き (72)発明者 重田 一彦 兵庫県尼崎市大浜町２丁目26番地 株式会 社クボタ武庫川製造所内 Ｆターム(参考） 3J025 AA07 BA11 BA23 CA01 DA01Continued on the front page (72) Inventor Kazuhiko Shigeta 2-26, Ohama-cho, Amagasaki-shi, Hyogo F-term in Kubota-Mukogawa Works (reference) 3J025 AA07 BA11 BA23 CA01 DA01
Claims (2)
軸心に、一端から他端側へ向けて中心孔が穿設されてい
ると共に、該雄ねじロッドの他端には前記中心孔へ至る
割りが形成され、該割りが前記雄ねじロッドの一端側か
ら中心孔に強制的に嵌入されるピンによって拡開可能と
され、かつ前記一端側からネジ嵌合される前記ナットに
より前記拡開部との間で部材を緊締可能とされた抜止め
機能付きボルト。1. A center hole is drilled from one end to the other end of the male screw rod to which a nut is screw-fitted, and the other end of the male screw rod reaches the center hole. A split is formed, and the split is made expandable by a pin that is forcibly fitted into a center hole from one end of the male screw rod, and the nut is screw-fitted from the one end with the expanding portion. A bolt with a retaining function that allows the member to be tightened between.
雄ねじロッドの他端が被固定部材に形成された貫通孔に
挿通され、前記ロッドの中心孔に嵌入されたピンによっ
て前記他端が貫通孔より大径に拡開変形させ、該拡径変
形部を前記被固定部材裏面側に係止させて前記一端側か
らネジ嵌合された前記ナットが被固定部材に緊締され、
該緊締力による被固定部材間に発生する摩擦力によって
被固定部材間のせん断ずれが防止される部材の固定構
造。2. The other end of the male screw rod according to claim 1, wherein a nut is screw-fitted to one end, the other end is inserted through a through hole formed in the fixed member, and the other end is inserted by a pin inserted into a center hole of the rod. Is expanded and deformed to a diameter larger than the through hole, the nut which is screwed from the one end side by locking the expanded diameter deformed portion on the back side of the fixed member is tightened to the fixed member,
A fixing structure of a member in which shear displacement between the fixed members is prevented by a frictional force generated between the fixed members due to the tightening force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10327364A JP2000154810A (en) | 1998-11-18 | 1998-11-18 | Bolt with slip-off preventing function and fixing structure of member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10327364A JP2000154810A (en) | 1998-11-18 | 1998-11-18 | Bolt with slip-off preventing function and fixing structure of member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000154810A true JP2000154810A (en) | 2000-06-06 |
Family
ID=18198329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10327364A Pending JP2000154810A (en) | 1998-11-18 | 1998-11-18 | Bolt with slip-off preventing function and fixing structure of member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000154810A (en) |
Cited By (5)
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| KR20030017898A (en) * | 2001-08-25 | 2003-03-04 | 이색용 | A bolt construction and combination method for moter cover |
| JP2006506112A (en) * | 2002-11-13 | 2006-02-23 | ニューローソ・インプランツ・デザイン、エルエルシー | Fastening system for attaching a given object to a bone |
| JP2015200334A (en) * | 2014-04-04 | 2015-11-12 | 株式会社三栄水栓製作所 | check valve |
| CN106907383A (en) * | 2015-12-22 | 2017-06-30 | 上海德也篷房技术有限公司 | A kind of self-locking screw |
-
1998
- 1998-11-18 JP JP10327364A patent/JP2000154810A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002370653A (en) * | 2001-06-15 | 2002-12-24 | Mizushima Press Kogyo Kk | Steering column support structure |
| KR20030017898A (en) * | 2001-08-25 | 2003-03-04 | 이색용 | A bolt construction and combination method for moter cover |
| JP2006506112A (en) * | 2002-11-13 | 2006-02-23 | ニューローソ・インプランツ・デザイン、エルエルシー | Fastening system for attaching a given object to a bone |
| JP2015200334A (en) * | 2014-04-04 | 2015-11-12 | 株式会社三栄水栓製作所 | check valve |
| CN106907383A (en) * | 2015-12-22 | 2017-06-30 | 上海德也篷房技术有限公司 | A kind of self-locking screw |
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