JP3295335B2 - Female thread body and method of preventing return of female thread body - Google Patents
Female thread body and method of preventing return of female thread bodyInfo
- Publication number
- JP3295335B2 JP3295335B2 JP03726697A JP3726697A JP3295335B2 JP 3295335 B2 JP3295335 B2 JP 3295335B2 JP 03726697 A JP03726697 A JP 03726697A JP 3726697 A JP3726697 A JP 3726697A JP 3295335 B2 JP3295335 B2 JP 3295335B2
- Authority
- JP
- Japan
- Prior art keywords
- female screw
- screw body
- female
- locking portion
- male
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
- Dowels (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、物品の組み立てあるい
は連結等に使用して戻り止めを防止する包被めねじ体お
よびめねじ体の戻り防止方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a female threaded body for use in assembling or connecting articles to prevent detent and a method for preventing the female thread from returning.
【０００２】[0002]
【従来の技術】物品等の取付部材を多数のボルト・ナッ
トを用いて緊締する際には、それぞれのナットまたはボ
ルトが、確実に締められているか、所定の締付力により
締め付けられているか、すなわち、戻り止めがないか、
どうかが重要な事柄となる。2. Description of the Related Art When a mounting member such as an article is tightened with a large number of bolts and nuts, it is necessary to check whether each nut or bolt is securely tightened or tightened with a predetermined tightening force. That is, there is no detent,
The important thing is.
【０００３】そのため、物品等の取付部材のボルト・ナ
ットを用いての緊締にあっては、従来より、ナットまた
はボルトの緩みを防止する手段として様々な工夫がなさ
れている。[0003] Therefore, various methods have been devised as a means for preventing loosening of nuts or bolts when tightening a mounting member such as an article using bolts and nuts.
【０００４】例えば、代表的な例として図１７に示すよ
うなものが挙げられるもので、このうち、（ａ）に示す
場合は、溝付きナット５０を用いて取付部材５１，５２
を締め合わせ、ボルト５３の横孔５４とナット５０の溝
５５との位置合わせをして割りピン５６を挿し通し、外
端を折り曲げることによりナット５０の回り止めを行な
っていた。For example, a typical example is shown in FIG. 17. Among them, in the case shown in FIG. 17A, mounting members 51, 52 are formed by using a grooved nut 50.
Are tightened, the lateral hole 54 of the bolt 53 is aligned with the groove 55 of the nut 50, the split pin 56 is inserted therethrough, and the outer end is bent to prevent the nut 50 from rotating.
【０００５】また、（ｂ）に示す場合は、取付部材５
１，５２の締め合わせに際して、ボルト５３に螺合させ
るダブルナット５０，５７を用いることで同様の効果を
得ていた。[0005] In the case shown in FIG.
A similar effect has been obtained by using the double nuts 50 and 57 to be screwed to the bolt 53 when tightening the nuts 1 and 52.
【０００６】しかし、割りピン式は、特殊な溝付きナッ
トと横孔が開いたボルトを使用しなければならないの
で、単一当たりの部材のコストが上昇して、多数のボル
ト・ナットを使用するときは、大きな工費の高騰とな
る。However, since the split pin type requires the use of a special grooved nut and a bolt having a lateral hole, the cost per member increases, and a large number of bolts and nuts are used. At times, the cost of construction will increase dramatically.
【０００７】しかも、この場合、ナットの溝とボルトの
横孔との位置合わせをその都度行ない、また、割りピン
を挿し通して端末を折り曲げる作業を行なわなければな
らないので、極めて作業性が悪い欠点を有する。In addition, in this case, the positioning of the groove of the nut and the lateral hole of the bolt must be performed each time, and the terminal must be bent by inserting the split pin, resulting in extremely poor workability. Having.
【０００８】そして、ダブルナット式は、前記した割ピ
ン式よりは作業性に優れるものの、ボルトのねじ部に螺
合するナットが二重に設けられるため、単一締結作業工
程が増えると共に、締結コストが上昇する欠点があっ
た。The double nut type is superior in workability to the split pin type described above. However, since the nut to be screwed into the screw portion of the bolt is provided in a double manner, the number of single fastening operation steps is increased, and the fastening is increased. There was a disadvantage that the cost increased.
【０００９】そのため、これらの方式は、ある程度の緩
み止め効果が発揮されるものであるが、実際の使用にあ
っては多くが敬遠されることが多く、簡便な慣用のスプ
リングワッシャ等との併用により済ませている。For this reason, these systems exhibit a certain degree of loosening prevention effect, but are often avoided in actual use, and are often used together with a simple conventional spring washer. Is done.
【００１０】したがって、緩みを生じたナットは、次第
に緩み量が大きくなって、ついにはボルトのねじ部より
外れてしまったり、特に、取付部材が木材の場合には、
経年によるその取付部材自体の収縮により、締結隙間を
生じてナットの緩みを起こしてしまうことが多く、この
簡単に回ってしまうナットを、いたずら等によりボルト
から抜き取られてしまう不祥事を生ずる大きな問題点が
あった。Therefore, the loosened nut gradually loosens and eventually comes off the threaded portion of the bolt. Especially when the mounting member is made of wood,
Due to the shrinkage of the mounting member itself due to aging, a fastening gap often occurs, causing the nut to loosen, and this easily turnable nut is removed from the bolt by mischief or the like. was there.
【００１１】[0011]
【発明が解決しようとする課題】本発明は、前記した問
題点を解決するためになされたもので、めねじ体の外周
またはめねじ体の外側面部に突設させた保持体へ外被部
材を装着し、該外被部材を収縮させて、あるいは、あら
かじめ所定形状に成形された外被部材をめねじ体外周ま
たはめねじ体の保持体へ密着させると共に、この外被部
材における一側部をめねじ体座面側または他側におい
て、めねじにおける谷径より小径となるように収縮させ
て所定長さを突設したおねじへの係止部を形成させるこ
とにより、おねじ体との締結に際して、係止部とおねじ
およびめねじとの噛み合いにより、おねじ体とめねじ体
との戻り止めを行なうことができる包被めねじ体および
めねじ体の戻り防止方法を提供することを目的としてい
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a cover member is provided on a holder protruding from an outer periphery of an internal thread body or an outer surface of the internal thread body. And shrinking the jacket member, or bringing the jacket member formed in advance into a predetermined shape into close contact with the outer periphery of the female screw body or the holder of the female screw body, and one side portion of the jacket member. On the seat surface side or the other side of the female screw body, by contracting so as to have a smaller diameter than the root diameter of the female screw to form a locking portion to a male screw projecting a predetermined length, The present invention provides a wrapped internal thread body and a method for preventing return of an internal thread body, which can stop the return of the external thread body and the internal thread body by engaging the locking portion with the external thread and the internal thread at the time of fastening. The purpose is.
【００１２】[0012]
【課題を解決するための手段】前記した目的を達成する
ための本発明の手段は、めねじ体の外周またはめねじ体
の外側面部に突設させた保持体へ、筒状に成形した外被
部材を装着し、該外被部材を収縮させてめねじ体外周ま
たはめねじ体の保持体へ密着させると共に、この外被部
材における一側部をめねじ体座面側において、前記めね
じ体のめねじにおける谷径より小径となるように収縮さ
せて所定長さを突設し、おねじ体のおねじへの係止部を
形成させた包被めねじ体の構成にある。Means of the present invention for achieving the above-mentioned object is to provide an externally formed cylindrical member on a holder protruding from the outer periphery of the female screw member or the outer surface of the female screw member. A jacket member is mounted, the jacket member is shrunk and brought into close contact with the outer periphery of the internal thread body or the holder of the internal thread body. The present invention is directed to a configuration of a wrapped female screw body which contracts so as to have a smaller diameter than a root diameter of a female screw of the body, protrudes a predetermined length, and forms a locking portion of the male screw body to a male screw.
【００１３】また、めねじ体の外周またはめねじ体の外
側面部に突設させた保持体へ、筒状に成形した外被部材
を装着し、該外被部材を収縮させてめねじ体外周または
めねじ体の保持体へ密着させると共に、この外被部材に
おける一側部を、前記めねじ体のめねじにおける谷径よ
り小径となるように収縮させて所定長さを突設し、おね
じ体のおねじへの係止部を形成させて、この係止部に被
覆層を設けた包被めねじ体の構成にある。[0013] Further, a tubular jacket member is mounted on a holder protruding from the outer periphery of the female screw body or the outer side surface of the female screw body, and the jacket member is contracted to reduce the outer circumference of the female screw body. Alternatively, while being in close contact with the holding member of the female screw body, one side of the jacket member is contracted so as to have a smaller diameter than the root diameter of the female screw of the female screw body, and a predetermined length is protruded therefrom. The present invention is directed to a configuration of a wrapped female screw body in which a locking portion of a screw body to a male screw is formed and a coating layer is provided on the locking portion.
【００１４】[0014]
【００１５】そして、めねじ体の外周またはめねじ体の
外側面部に突設させた保持体へ、筒状に成形した外被部
材を装着し、該外被部材を収縮させてめねじ体外周また
はめねじ体の保持体へ密着させると共に、この外被部材
における一側部を、前記めねじ体のめねじにおける谷径
より小径となるように収縮させて所定長さを突設し、お
ねじ体のおねじへの係止部を形成させた包被めねじ体に
あって、この包被めねじ体のおねじ体への螺合により物
品の緊締後または螺合前に、外被部材における係止部の
内周または外周に被覆層を形成させためねじ体の戻り防
止方法にある。Then, a tubular jacket member is mounted on the outer periphery of the female screw body or on a holder protruding from the outer surface of the female screw body, and the jacket member is contracted to reduce the outer circumference of the female screw body. Alternatively, while being in close contact with the holding member of the female screw body, one side of the jacket member is contracted so as to have a smaller diameter than the root diameter of the female screw of the female screw body, and a predetermined length is protruded therefrom. A female threaded body having a threaded portion formed with a threaded part of the external thread, wherein the female threaded body is tightened with the external thread after tightening or before the threading of the article. The present invention is directed to a method for preventing a screw body from returning in order to form a coating layer on the inner periphery or outer periphery of a locking portion of a member.
【００１６】更に、めねじ体の外周またはめねじ体の外
側面部に突設させた保持体へ、筒状に成形した外被部材
を装着し、めねじ体外周またはめねじ体の保持体へ当接
させると共に、この外被部材における一側部を所定長さ
を突設し、おねじ体のおねじへの係止部を形成させた包
被めねじ体にあって、この包被めねじ体を、おねじとこ
のおねじより小径の軸部とからなるおねじ体へ、前記係
止部を先にして該軸部へ向かって螺合し、該係止部を軸
部に対応させて、該係止部を収縮させて軸部へ密着させ
この係止部を係合させるか、係止部を収縮させて軸部へ
密着させた後、めねじ体の螺動によりこの係止部をおね
じに位置させて係合させるかのどちらか一方を選択的に
行なうめねじ体の戻り防止方法にある。Further, a tubular jacket member is mounted on a holder protruding from the outer periphery of the female screw body or the outer side surface of the female screw body, and the outer periphery of the female screw body or the holder of the female screw body is attached to the holder. The outer cover member is provided with one side protruding from the outer member to a predetermined length to form an engaging portion of the male screw body to the external thread. A screw body is screwed to a male screw body including a male screw and a shaft part having a smaller diameter than the male screw toward the shaft part with the locking part first, and the locking part corresponds to the shaft part. Then, the locking portion is contracted and brought into close contact with the shaft portion to engage with the locking portion, or the locking portion is contracted and brought into close contact with the shaft portion, and then the female screw is screwed into the engagement portion. There is a method for preventing return of a female screw body, which selectively performs either one of positioning and engaging a stop portion with a male screw.
【００１７】[0017]
【実施例】次に、本発明に関する包被めねじ体およびめ
ねじ体の戻り防止方法の一実施例を図面に基づいて説明
する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings.
【００１８】図１〜図１４においてＡは包被めねじ体
で、取付部材等の物品ｂの組み立て、あるいは、連結等
に利用されるものであって、ナット等のめねじ体１と、
外被部材２と、係止部３とにより基本的に構成される。In FIG. 1 to FIG. 14, reference symbol A denotes a female threaded body used for assembling or connecting an article b such as a mounting member.
It is basically constituted by the jacket member 2 and the locking portion 3.
【００１９】このうち、めねじ体１は、前記したように
取付部材等の物品ｂの組み立て、あるいは連結等に利用
される慣用のもの、または、特殊形状のものが用いられ
るもので、その種類やねじの形状，材質等は限定される
ものではなく、また、一端または両端部にめねじ４を有
する配管等も用いられるものであって、いずれにあって
も本体にめねじ４が形成されるものである。Among them, the female thread body 1 is a conventional one used for assembling or connecting the articles b such as the mounting member as described above, or a specially shaped one. The shape and material of the screw and the screw are not limited, and a pipe or the like having a female screw 4 at one or both ends may be used. In any case, the female screw 4 is formed on the main body. Things.
【００２０】また、前記した外被部材２は、可透性を有
する、または、非可透性の無色あるいは有色のフィルム
状のものが適していて、その一つの例は、円筒状で円周
方向への収縮率の大きい熱収縮性を有する合成樹脂材等
により所定厚さの薄厚に形成されるものである。The cover member 2 is preferably a transparent or non-permeable colorless or colored film. One example is a cylindrical member having a circumferential shape. It is formed to be a thin film having a predetermined thickness by using a heat-shrinkable synthetic resin material or the like having a large contraction rate in the direction.
【００２１】また、他の例は、収縮性を有する合成樹脂
製薄厚材により成形されたもの、または、合成樹脂材等
により慣用の成形機において適宜所定厚さに成形された
部材により形成されるものであって、この成形された成
形体をめねじ体１の外周へや外装することもできるもの
で、収縮性を有することが好ましいが非収縮性であって
も構わないものであり、弾性を有するゴム状の筒状体で
あってもよい。Further, another example is formed by molding a thin material made of a synthetic resin having shrinkage, or a member molded to an appropriate predetermined thickness by a conventional molding machine using a synthetic resin material or the like. It is also possible to apply the molded body to the outer periphery of the female screw body 1 or exterior, and it is preferable that the molded body has shrinkage, but it may be non-shrinkable. It may be a rubber-like cylindrical body having
【００２２】このゴム状筒状体からなる外被部材２は、
その一側の内周を押し広げてめねじ体１の外周へ嵌め込
む。The jacket member 2 made of this rubber-like tubular body is
The inner circumference on one side is pushed open and fitted into the outer circumference of the female screw body 1.
【００２３】そして、このめねじ体１と外被部材２とに
より結合された包被めねじ体Ａの第一例は、めねじ体１
の外周へ筒状に成形した外被部材２を装着し、該外被部
材２を加熱等により収縮させて、その主体２ａをめねじ
体１の外周へ密着させることでなされる。The first example of the wrapped female screw body A joined by the female screw body 1 and the outer cover member 2 is the female screw body 1
A jacket member 2 formed in a cylindrical shape is mounted on the outer periphery of the female member, and the outer member 2 is contracted by heating or the like, and the main body 2a is brought into close contact with the outer periphery of the female screw body 1.
【００２４】更に、該外被部材２の収縮成形にあって
は、この外被部材２の一側部を、図１において符号ｘに
より示すような寸法を有するように、めねじ体１のめね
じ４における谷径あるいは山径より小径（その全体また
は一部）に成形させて、ボルト等のおねじ体５のおねじ
６（図４参照）への係止部３が、図１（ａ）〜（ｅ）に
示すように、めねじ体１の座面側より軸方向へ所定寸法
に突出する筒状部に形成される。Further, in the shrink molding of the jacket member 2, one side of the jacket member 2 is so formed as to have a dimension as shown by a symbol x in FIG. The screw 4 is formed to have a smaller diameter (the whole or a part) than the root diameter or the peak diameter, and the locking portion 3 of the male screw body 5 such as a bolt to the male screw 6 (see FIG. 4) is formed as shown in FIG. As shown in (e) to (e), it is formed in a cylindrical portion projecting from the bearing surface side of the female screw body 1 to a predetermined dimension in the axial direction.
【００２５】めねじ体１への外被部材２における主体２
ａの密着にあっては、図示してないが、めねじ体１の外
周に突起や溝・ローレット等の係合加工を施して、この
部分へ収縮させた外被部材２が絡み付くように形成する
こともある。The main body 2 of the jacket member 2 on the female screw body 1
In the close contact of a, although not shown, the outer periphery of the female screw body 1 is subjected to engagement processing such as projections, grooves and knurls, so that the contracted jacket member 2 is entangled with this portion. Sometimes.
【００２６】また、この係止部３は、おねじ体５のおね
じ６との係合・当接を良好とするために、その断面形状
を、図２（ａ）に示すように、略真円状に形成すること
が好ましいが、異形円状、すなわち、図２（ｂ）に示す
ように、楕円状に、図２（ｃ）に示すように、連続した
または不連続の波形状（凹凸状）に形成したり、更に
は、図２（ｄ）および図１（ｄ）に示すように、めねじ
体１のねじ孔に対して偏心状に形成させたりするもの
で、円周方向の内外に対して起こる歪み状に湾曲させる
場合もあり、前記した断面形状は、三角形や四角形等の
角形状であってもよい。As shown in FIG. 2 (a), the locking portion 3 has a cross-sectional shape substantially as shown in FIG. Although it is preferable to form it into a perfect circle, it is an irregularly shaped circle, that is, an elliptical shape as shown in FIG. 2 (b), and a continuous or discontinuous wave shape (see FIG. 2 (c)). 2 (d) and, as shown in FIG. 2 (d) and FIG. 1 (d), are formed eccentrically with respect to the screw hole of the female screw body 1 in the circumferential direction. The cross section may be a rectangular shape such as a triangle or a quadrangle.
【００２７】更に、図１（ｃ）に示すように、筒状に形
成した係止部３を、その一方または両方を軸方向に対し
て所定の傾斜状に形成することもあるもので、図示して
ないが、この係止部３は、めねじ体１の側面側から先端
へ向かって徐々に小径となる先つぼみ状に成形させるこ
ともある。Further, as shown in FIG. 1 (c), one or both of the locking portions 3 formed in a cylindrical shape may be formed to have a predetermined inclination with respect to the axial direction. Although not shown, the locking portion 3 may be formed in a shape of a bud with a gradually decreasing diameter from the side surface of the female screw body 1 toward the tip.
【００２８】また、図示してないが、この係止部３の全
体を比較的大幅に小径としたり、その一部に小径を設け
たり、または、凹ませたりすることもあるものであり、
該係止部３とおねじ体５のおねじ６との螺合状態の軟硬
度合いに応じてを適宜設定する。Although not shown, the whole of the locking portion 3 may have a relatively small diameter, a small diameter may be provided on a part of the locking portion 3, or a concave portion may be provided.
An appropriate value is set according to the degree of soft hardness of the engagement between the locking portion 3 and the external thread 6 of the external thread body 5.
【００２９】そして、この係止部３はその先端部を、図
１（ａ）において仮想線で示すように、外側に広がる拡
開部３ａを設けておけば、物品ｂの締結に際して、おね
じ体５のおねじ６の挿入が容易となる。If the front end of the locking portion 3 is provided with an expanding portion 3a which spreads outward as shown by an imaginary line in FIG. The insertion of the male screw 6 of the body 5 is facilitated.
【００３０】この包被めねじ体Ａは、図１（ｂ）に示す
ように、めねじ体１の座面側に、皿ばね座金７（各種の
ばね座金であってもかまわない。）を座面の係止突起８
に係止させて、外被部材２により包被したり、図１
（ｅ）に示すように、めねじ体１の座面側に、スプリン
グワッシャー９と平座金１０とを添えて外被部材２によ
り包被することもあるもので、図示してないが、前記し
た他の種類による座金やパッキン，Ｏリング等の締結や
締め合わせ，戻り止め等に使用する部材を包被すること
もできる。As shown in FIG. 1 (b), the female screw body A is provided with a disc spring washer 7 (various types of spring washers) on the bearing surface side of the female screw body 1. Locking projection 8 on seat surface
1 and wrapped by the outer covering member 2 or as shown in FIG.
As shown in (e), a spring washer 9 and a flat washer 10 may be attached to the bearing surface side of the female screw body 1 and wrapped by the jacket member 2. It is also possible to cover members used for fastening and tightening, detents, etc. of other types of washers, packings, O-rings and the like.
【００３１】この係止部３は、必ずしもめねじ体１のめ
ねじ４における谷径より小径に成形させる必要はなく、
図１（ｆ）に示すように、この谷径と略同径であった
り、あるいは同図において仮想線で示すように、大径で
あってもよい。The locking portion 3 does not necessarily need to be formed to have a smaller diameter than the root diameter of the female screw 4 of the female screw body 1.
As shown in FIG. 1 (f), the diameter may be substantially the same as the valley diameter, or as shown by a virtual line in FIG.
【００３２】また、この第一例にあって、めねじ体１と
外被部材２との結合例は、図３に示すように、めねじ体
１の座面側において、角形または円形等の筒状の保持体
１１を突設させ、この保持体１１へ筒状に成形した外被
部材２の主体２ａを装着し、この外被部材２を熱等によ
り収縮させて該主体２ａを保持体１１へ密着させると共
に、この保持体１１の外端部に、同図に示すように、係
止部３を軸方向へ所定寸法に突出する筒状部に形成させ
る構成も採用できる。Further, in the first example, as shown in FIG. 3, the connection example between the female screw body 1 and the jacket member 2 has a square or circular shape on the seating surface side of the female screw body 1. A cylindrical holding body 11 is protruded, and a main body 2a of a jacket member 2 formed into a cylindrical shape is mounted on the holding body 11, and the jacket member 2 is contracted by heat or the like, and the main body 2a is held by the holding body 11. As shown in the figure, a configuration in which the retaining portion 3 is formed into a cylindrical portion projecting in a predetermined dimension in the axial direction at the outer end portion of the holding body 11 can be adopted.
【００３３】なお、この保持体１１は、図３（ｂ）に示
すように、外形状を角形に形成することでおねじ体５の
螺合にあって、外被部材２の連れ回りが防止されるもの
であり、また、特に、図３（ｃ）に示すように、該保持
体１１の外周部適所に止め部１２を設けて、外被部材２
の主体２ａを係合させることで、該外被部材２の主体２
ａの連れ回りと軸方向への妄動が防止される。As shown in FIG. 3 (b), the outer shape of the holding body 11 is formed into a square shape so that the holding member 11 is screwed into the externally threaded body 5 and the encircling member 2 is prevented from rotating. In particular, as shown in FIG. 3C, a stopper 12 is provided at an appropriate position on the outer peripheral portion of the holding body 11 so that
The main body 2a of the outer cover member 2 is
The rotation of a and the delusion in the axial direction are prevented.
【００３４】したがって、この第一例による包被めねじ
体Ａは、図４に示すような、二部材の取付部材である物
品ｂ，ｂを、ボルト等のおねじ体５とナット等のめねじ
体１とにより締結する場合は、まず、図１（ａ）に示す
ような、六角ナット１の外周へ筒状に形成した収縮性外
被部材２を装着した後、この外被部材２を加熱により収
縮させると、該外被部材２の主体２ａは、同図において
実線で示すようにナットのめねじ体１の外周に密着され
る。Accordingly, the threaded female threaded body A according to the first example, as shown in FIG. 4, is used to connect the articles b, b, which are two mounting members, to the threaded body 5 such as a bolt and the female threaded nut such as a nut. When fastening with the screw body 1, first, as shown in FIG. 1 (a), after attaching a tubular shrinkable jacket member 2 to the outer periphery of the hexagon nut 1, this jacket member 2 is attached. When contracted by heating, the main body 2a of the jacket member 2 is brought into close contact with the outer periphery of the female screw body 1 of the nut as shown by a solid line in FIG.
【００３５】そして、この外被部材１における主体２ａ
の一側部、すなわち、めねじ体１の座面側は、熱収縮に
よりめねじ体１のめねじ４における谷径（少なくとも山
径）より小径に成形されて、おねじ体５のおねじ６への
係止部３が形成され、また、該外被部材１における主体
２ａの他側部は、図１（ａ）に示すように、ナット１の
座面の反対外側面の一部に係合するように折曲されてこ
の外側面外縁に支持される。The main body 2a of the jacket member 1
, Ie, the bearing surface side of the internal thread body 1 is formed to have a smaller diameter than the root diameter (at least the peak diameter) of the internal thread 4 of the internal thread body 1 by thermal contraction, and 6 is formed, and the other side of the main body 2a of the jacket member 1 is formed on a part of the outer surface opposite to the seating surface of the nut 1 as shown in FIG. It is bent to engage and is supported by the outer edge of the outer surface.
【００３６】これにより、取付部材ｂ，ｂを挟んでその
両側から包被めねじ体Ａとおねじ体５とにより締結する
もので、まず、取付部材ｂ，ｂの通孔１４，１４へおね
じ体５のおねじ６を通し、図（ａ）に示すように、一方
の取付部材ｂから突出したおねじ６へ、係止部３を拡開
部３ａを案内に挿入した後、押し込むと、包被めねじ体
Ａの座面側を取付部材ｂに対応した状態で、おねじ６の
開始部にそのめねじ４が位置するもので、手等で該めね
じ体１を螺合させる。Thus, the female threaded body A and the male threaded body 5 are fastened from both sides with the mounting members b, b interposed therebetween. First, the male screw is inserted into the through holes 14, 14 of the mounting members b, b. When the engaging portion 3 is inserted into the guide with the expanding portion 3a inserted into the male screw 6 protruding from one of the mounting members b as shown in FIG. The female screw 4 is located at the start of the male screw 6 with the bearing surface side of the wrapped female screw body A corresponding to the mounting member b, and the female screw body 1 is screwed by hand or the like.
【００３７】そして、包被めねじ体Ａ（おねじ体５であ
っても構わない。）をスパナやレンチ等の工具を掛けて
回転すると、おねじ６とめねじ４との螺合に伴って、お
ねじ体５のおねじ６に係合する係止部３はその摩擦等に
より回転抵抗を受けつつおねじ６面に密着し、更に、め
ねじ体１の座面部においてその近傍の係止部３は圧縮を
受け、図４（ｂ）において拡大丸部ｐに示すように、該
係止部３はおねじ６とめねじ４との間に噛み込まれて両
ねじ６，４のクリアランスを無くし、おねじ体５とめね
じ体１とが一体化されてめねじ体１の逆回転を抑止する
ので、緊締後の戻りや緩みが防止されるものであり、こ
の場合、おねじ体５のねじ無し部（胴部）に係止部３が
係合することもある。When the female screw body A (the male screw body 5 may be used) is rotated with a tool such as a spanner or a wrench, the male screw 6 and the female screw 4 are screwed together. The locking portion 3 which engages with the external thread 6 of the external thread body 5 is brought into close contact with the surface of the external thread 6 while receiving rotational resistance due to friction or the like. The portion 3 is compressed, and as shown by an enlarged circle portion p in FIG. 4B, the locking portion 3 is engaged between the male screw 6 and the female screw 4 to eliminate the clearance between the two screws 6 and 4. Since the male screw body 5 and the female screw body 1 are integrated with each other to prevent reverse rotation of the female screw body 1, return and loosening after tightening are prevented. The locking portion 3 may engage with the non-portion (body portion).
【００３８】なお、外被部材２は前記したように、熱収
縮性フィルムにより成形されているときは、その加熱の
欠け具合や使用温度によって収縮度合いが変化するもの
で、係止部３の収縮量を適宜調整できる。When the jacket member 2 is formed of a heat-shrinkable film as described above, the degree of shrinkage varies depending on the degree of lack of heating and the operating temperature. The amount can be adjusted appropriately.
【００３９】更に、物品ｂの締結後再びめねじ体１を取
り外したときに、係止部３がおねじ６との馴染みにより
その係止力を失った場合でも、この係止部３へ再加熱を
与えることにより、使用前の状態に収縮復帰するため、
戻り止め効果が再び発揮されるものであって、この再加
熱は、図１（ａ）において符号Ｈにより示すように、係
止部３の外周や内周から、あるいは、係止部３の反対側
においてめねじ体１のねじ部から係止部３へ向かって行
なうものである。Further, when the female screw body 1 is removed again after the article b is fastened, even if the locking portion 3 loses its locking force due to the familiarity with the male screw 6, the locking portion 3 is re-attached. By applying heat, it shrinks and returns to the state before use,
The detent effect is again exerted, and this reheating is performed from the outer periphery or the inner periphery of the locking portion 3 or opposite to the locking portion 3 as shown by reference numeral H in FIG. On the side, the operation is performed from the threaded portion of the female screw body 1 toward the locking portion 3.
【００４０】次に、本発明実施例の第二例の包被めねじ
体Ａおよびめねじ体の戻り防止方法を説明する。Next, a description will be given of a method for preventing return of the female screw body A and the female screw body A according to the second embodiment of the present invention.
【００４１】この例の包被めねじ体Ａは、めねじ体１の
外周またはめねじ体１の外側面部に突設させた保持体１
１へ、筒状に成形した外被部材２の主体２ａを装着し、
該外被部材２を収縮させてめねじ体１外周またはめねじ
体１の保持体１１へ密着させると共に、この外被部材２
の主体２ａにおける一側部を、めねじ体１のめねじ４に
おける谷径（少なくとも山径）より小径となるように収
縮させて所定長さを突設し、おねじ体５のおねじ６への
係止部３を形成させて、この係止部３に被覆層１５を設
けた構成のものである。The wrapped female screw body A of this example has a holder 1 projecting from the outer periphery of the female screw body 1 or the outer surface of the female screw body 1.
1, the main body 2a of the jacket member 2 formed in a cylindrical shape is attached,
The outer cover member 2 is contracted so as to be in close contact with the outer periphery of the female screw body 1 or the holding body 11 of the female screw body 1.
Of the main body 2a of the female screw body 1 is shrunk so as to have a smaller diameter than the root diameter (at least the peak diameter) of the female screw 4 of the female screw body 1 to project a predetermined length. And a coating layer 15 is provided on the locking portion 3.
【００４２】この例にあって、めねじ体１と外被部材２
の主体２ａとによる結合状態と、係止部３の形成状態
は、前述した第一例の包被めねじ体Ａの場合と同様で、
これらを、例示的に列挙するとすれば、図５に示すよう
な、各形態が挙げられるものであって、このうち、係止
部３の構成は、図５（ａ），（ｂ）に示すように、めね
じ体１の座面側に設けたり、図５（ｃ），（ｄ）に示す
ように、めねじ体１の座面他側に設けたりする。In this example, a female screw 1 and a jacket 2
The state of connection with the main body 2a and the state of formation of the locking portion 3 are the same as those in the case of the wrapped female screw body A of the first example described above.
If these are listed exemplarily, each form as shown in FIG. 5 is given, and the configuration of the locking portion 3 is shown in FIGS. 5 (a) and 5 (b). As shown in FIGS. 5 (c) and 5 (d), the female screw 1 is provided on the other side of the seat.
【００４３】そして、前記した被覆層１５は、係止部３
または外被部材２全体あるいはその露出している部分の
保護や強度等の向上を図るもので、塗料の塗布や吹き付
けによる場合や、外被部材２の成形時にラミネートした
り、共押し出し等により複層構成に形成して、この被覆
層１５を得る。The above-mentioned covering layer 15 is
Or, it is intended to protect the entire outer cover member 2 or an exposed portion thereof and to improve the strength and the like. The coating member is applied or sprayed, or the outer cover member 2 is laminated at the time of molding, or is co-extruded to form a plurality. The coating layer 15 is obtained by forming a layer structure.
【００４４】この被覆層１５は、係止部３の表側または
裏面、あるいは、表裏両面に設けられるもので、塗料に
よる場合は、締結前および締結後に施工することができ
るものであって、速硬性、遅硬性の両性状のものが用い
られる。The coating layer 15 is provided on the front side or the back side of the locking portion 3 or on both the front and back sides. In the case of using a coating material, it can be applied before and after fastening, and has a fast setting property. In addition, those having both properties of slow hardening are used.
【００４５】前記した外被部材２の保護の目的は、例え
ば、使用に当たって、係止部３におねじ６が螺合したと
きの該係止部３の伸びや膨張を抑制したり、経時変化に
より劣化したり、太陽光線（赤外線，紫外線等）や風
雨、更には温度変化により劣化または伸縮して損傷を与
えたり、係止部３のおねじ６への係合度が低下する不都
合を防止することである。The purpose of protecting the outer cover member 2 is, for example, to suppress the extension and expansion of the locking portion 3 when the screw 6 is screwed into the locking portion 3 during use, or to prevent a change with time. To prevent damage due to deterioration or expansion and contraction due to sunlight rays (infrared rays, ultraviolet rays, etc.), wind and rain, and temperature changes, and to reduce the degree of engagement of the locking portion 3 with the male screw 6. That is.
【００４６】あるいは、錆びの発生や細菌等による外被
部材２の損傷等を防止するため、耐蝕性や抗菌性，偏光
性を有する素材、または、ポリエチレン系塗覆装と接着
剤の二層構造熱収縮性シートを用いて、防蝕効果を得た
り、更に、紫外線防止剤やガラス繊維，カーボン繊維等
からなる硬化樹脂等を塗布することにより被複層１５を
形成するものである。Alternatively, a material having corrosion resistance, antibacterial property, and polarizing property, or a two-layer structure of a polyethylene-based coating and an adhesive is used to prevent rust and damage to the jacket member 2 due to bacteria and the like. Using the heat-shrinkable sheet, the anticorrosion effect is obtained, and further, the multi-layer 15 is formed by applying an ultraviolet ray inhibitor, a cured resin made of glass fiber, carbon fiber, or the like.
【００４７】したがって、この第二実施例によれば、図
６（ｂ）に示すような、二部材の取付部材ｂ，ｂを、ボ
ルト等のおねじ体５とめねじ体１とにより締結する場合
は、まず、図１および図２に示すような、六角めねじ体
１の外周へ、図６（ａ）に示すように、筒状に形成した
収縮性外被部材２を仮想線で示すように装着した後、こ
の外被部材２を加熱手段（図示せず）による加熱により
収縮させると、該外被部材２の主体２ａは、同図におい
て実線で示すようにめねじ体１の外周に密着される。Therefore, according to the second embodiment, as shown in FIG. 6 (b), when the two mounting members b, b are fastened by the male thread 5 and the female thread 1 such as bolts. First, as shown in FIG. 6 (a), the shrinkable outer covering member 2 formed in a cylindrical shape is shown by an imaginary line on the outer periphery of the hexagonal female screw body 1 as shown in FIGS. After the outer member 2 is contracted by heating by a heating means (not shown), the main body 2a of the outer member 2 is attached to the outer periphery of the female screw body 1 as shown by a solid line in FIG. Be adhered.
【００４８】そして、この外被部材１の一側部は、熱収
縮によりめねじ体１のめねじ４における谷径（少なくと
も山径）より小径ｘに成形されて、おねじ体５のおねじ
６への係止部３が形成されてあって、また、該外被部材
１の他側部は、図６に示すように、めねじ体１の座面の
一部に係合するように折曲されてこの座面外縁に支持さ
れる。One side of the jacket member 1 is formed to have a smaller diameter x than a root diameter (at least a peak diameter) of the female screw 4 of the female screw body 1 due to thermal shrinkage. 6 is formed, and the other side of the jacket member 1 is engaged with a part of the seating surface of the female screw body 1 as shown in FIG. It is bent and supported by the outer edge of the seat surface.
【００４９】なお、この外被部材１の他側部は、図５
（ｃ）に示すように、めねじ体１の外周面に位置するよ
うに成形することもある。The other side of the jacket member 1 is shown in FIG.
As shown in (c), it may be formed so as to be located on the outer peripheral surface of the female screw body 1.
【００５０】これにより、取付部材ｂ，ｂを挟んでその
両側から包被めねじ体Ａとおねじ体５とにより締結する
もので、まず、取付部材ｂ，ｂの通孔１４，１４へおね
じ体５のおねじ６を通し、一方の取付部材ｂから突出し
たおねじ６へ、包被めねじ体Ａの座面側を取付部材ｂに
対応させてそのめねじ４を螺合させる。With this arrangement, the female threaded body A and the male threaded body 5 are fastened from both sides with the mounting members b, b interposed therebetween. First, the male screw is inserted into the through holes 14, 14 of the mounting members b, b. The female screw 4 is screwed into the male screw 6 projecting from one of the mounting members b through the male screw 6 of the body 5 so that the seating surface side of the wrapped female screw body A corresponds to the mounting member b.
【００５１】そして、包被めねじ体Ａ（おねじ体５であ
っても構わない。）をスパナやレンチ等の工具を掛けて
回転すると、おねじ６とめねじ４との螺合に伴っておね
じ体５のおねじ６における先端部は、めねじ体１の一側
部、すなわち、係止部３に達するもので、更に包被めね
じ体Ａを回転させると、該おねじ６はめねじ体Ａの一側
部より突出して、図６（ｂ）に示すように、包被めねじ
体Ａの係止部３に螺合するので、この係止部３がおねじ
６のねじの山谷に係合して結合されおねじ体と一体化さ
れて、両ねじ体１，５の戻り止めあるいは緩み止めとな
る。When the female screw body A (the male screw body 5 may be used) is rotated with a tool such as a wrench or a wrench, the male screw 6 and the female screw 4 are screwed together. The tip end of the male screw 6 of the male screw body 5 reaches one side of the female screw body 1, that is, the locking portion 3. When the wrapped female screw body A is further rotated, the male screw 6 becomes female. As shown in FIG. 6 (b), it projects from one side of the screw body A and is screwed into the locking section 3 of the female screw body A. The two threaded bodies 1 and 5 are prevented from returning or loosening by being engaged with and coupled with the valleys and integrated with the external threaded body.
【００５２】しかし、包被めねじ体Ａにおける係止部３
は、締結に伴って、おねじ６が螺合されることで円周方
向へ押し広げられることでその径が拡大して係止力が低
下したり、あるいは、この係止部３は、露出（光や外気
に触れる）した箇所に用いられることが多いもので、外
被部材２は前記したような様々な悪影響を受ける。However, the locking portion 3 of the wrapped female screw body A
Is that, when the male screw 6 is screwed together with the fastening, the male screw 6 is expanded in the circumferential direction so that its diameter is increased and the locking force is reduced, or the locking portion 3 is exposed. It is often used in places where it is exposed to light or outside air, and the jacket member 2 suffers from the various adverse effects as described above.
【００５３】そのため、取付部材ｂの締結後、少なくと
も係止部３の表側に、樹脂系塗料を塗布することで被覆
層１５が形成されるもので、これにより、該係止部３の
おねじ６による拡開や膨張が抑制され、光や温度変化等
による劣化が可及的に防止されて、係止部３の損傷に起
因する両ねじ体１，５の戻り止めあるいは緩み止め効果
を失うことがなく、半恒久的な緊締力を発揮する。For this reason, after the fastening of the mounting member b, the coating layer 15 is formed by applying a resin-based paint to at least the front side of the locking portion 3. 6, the expansion and expansion due to the light and temperature change are prevented as much as possible, and the detent or loosening effect of the two screw bodies 1 and 5 due to the damage of the locking part 3 is lost. Demonstrate a semi-permanent tightening force.
【００５４】この被覆層１５を係止部３の内側に設けた
場合は、係止部３の伸縮移動を防止することができると
共に、締結に際して、おねじ体５のおねじ６が係止部３
に係合したとき、この付設した被覆層１５における厚い
層の部分を削り落としつつ、係止部３の内面に馴染んで
該おねじ６の移動が制限されて密着度を増し、かつ、そ
の削られた一部はおねじ６とめねじ４とのクリアランス
に侵入して、おねじ体５とめねじ体１との一体性（カシ
メ状態）を向上させ、戻り止めあるいは緩み止め効果を
発揮するもので、この被覆層１５はめねじ４の内周の一
部または全体に設けることもある。When the coating layer 15 is provided inside the locking portion 3, the expansion and contraction movement of the locking portion 3 can be prevented, and at the time of fastening, the external thread 6 of the male screw body 5 is used. 3
When it is engaged with the locking layer 3, the thick layer portion of the attached coating layer 15 is shaved off, and it is adapted to the inner surface of the locking portion 3 so that the movement of the male screw 6 is restricted and the degree of adhesion is increased. The part which has entered penetrates into the clearance between the male screw 6 and the female screw 4, improves the integrity (crimp state) of the male screw body 5 and the female screw body 1, and exerts a detent or loosening prevention effect. The coating layer 15 may be provided on a part or the entire inner periphery of the female screw 4.
【００５５】また、外被部材２内に固定用の接着剤を注
入したときは、削りかすによる密着度が増すことで接着
剤の漏れ出しも防止できると共に、めねじ体１内に接着
剤を付着させたり、接着剤を密封したカプセルを内蔵し
たときも、削りかすによる密着度が増すことで接着剤の
漏れ出しも防止できる。Further, when the fixing adhesive is injected into the outer cover member 2, leakage of the adhesive can be prevented by increasing the degree of adhesion by shavings, and the adhesive is injected into the female screw body 1. Even when the capsule is attached or a capsule in which the adhesive is sealed, leakage of the adhesive can be prevented by increasing the degree of adhesion by shavings.
【００５６】なお、この包被めねじ体Ａを覆うように、
金属製や合成樹脂製のキャップ１６を被着させれば、よ
り一層の外被部材２の外力による変形や劣化が解消さ
れ、戻り止めあるいは緩み止め効果が助長されると共
に、めねじ体１やおねじ６が露出しないので体裁が良好
となる。In order to cover the female screw body A,
If the cap 16 made of metal or synthetic resin is applied, the deformation and deterioration of the outer cover member 2 due to the external force are further eliminated, the detent or loosening prevention effect is promoted, and the female screw body 1 or Since the male screw 6 is not exposed, the appearance is improved.
【００５７】次に、本発明実施例の第三例の包被めねじ
体Ａおよびめねじ体の戻り防止方法について述べる。Next, a description will be given of a third example of the embodiment of the present invention in which the wrapped female screw body A and the female screw body are prevented from returning.
【００５８】この例における包被めねじ体Ａは、めねじ
体１の外周またはめねじ体１の外側面部に突設させた保
持体１１へ、筒状に成形した外被部材２を装着し、めね
じ体１外周またはめねじ体１の保持体１１へ当接させる
と共に、この外被部材２における一側部を所定長さを突
設し、おねじ体５のおねじ６への係止部３を形成させ
る。In the female threaded body A in this example, a tubular outer covering member 2 is mounted on a holder 11 projecting from the outer periphery of the female threaded body 1 or the outer surface of the female threaded body 1. The outer circumferential surface of the female screw body 1 or the holding member 11 of the female screw body 1 is brought into contact with the outer circumferential surface of the female screw body 1. The stop 3 is formed.
【００５９】この例にあって、めねじ体１と外被部材２
とによる結合状態と、係止部３の形成状態は、前述した
第一および第二例の包被めねじ体Ａの場合とほぼ同様
で、これらを、例示的に列挙するとすれば、図７（ａ）
〜（ｄ）に示すような、各形態が挙げられるものであっ
て、このうち、係止部３の構成は、図７（ａ），（ｂ）
に示すように、めねじ体１の座面側に設けたり、図７
（ｃ），（ｄ）に示すように、めねじ体１の座面他側
（反対側）に設けたりする。In this example, the female screw body 1 and the jacket member 2
And the state of formation of the locking portion 3 are substantially the same as those of the above-described first and second examples of the encapsulating female screw body A. If these are exemplarily listed, FIG. (A)
To (d), the configuration of the locking portion 3 is shown in FIGS. 7 (a) and 7 (b).
As shown in FIG.
As shown in (c) and (d), a female screw body 1 is provided on the other side (opposite side) of the seating surface.
【００６０】更に、図７（ｅ）に示すように、この外被
部材２は、あらかじめ収縮性を有する合成樹脂製薄厚材
により成形されたもの、または、合成樹脂材等により慣
用の成形機において適宜所定厚さの部材によりあらかじ
め形成されたものを用いるものであって、めねじ体１の
外周を覆う主体２ａと係止部３とからなるもので、この
外被部材２の主体２ａをめねじ体１の外周部へ嵌着す
る。Further, as shown in FIG. 7 (e), the outer cover member 2 is made of a synthetic resin thin material having shrinkability in advance, or a conventional molding machine made of a synthetic resin material or the like. A member formed in advance of a member having a predetermined thickness is used. The member includes a main body 2a that covers the outer periphery of the female screw body 1 and a locking portion 3. The screw body 1 is fitted to the outer peripheral portion.
【００６１】なお、この成形タイプの外被部材２は、図
７（ｃ）に示すように、めねじ体１における座面反対側
に係止部３を設けることもできるものであり、また、図
７（ｂ），（ｄ）に示すように、めねじ体１の座面側あ
るいは座面反対側に保持体１１を設けて、この保持体１
１に該外被部材２を嵌着することもできるものであっ
て、更に、図７（ｄ）に示すように、筒状に形成しため
ねじ体１内の一部または全部にめねじ４を螺設し、他側
の保持体１１（めねじ体１の外周部に設けた突起や突条
の場合もある。）に外被部材２の主体２ａを取り付ける
と共に、この外被部材２の主体２ａへキャップ１６を付
着することもある。As shown in FIG. 7 (c), this molding type jacket member 2 can be provided with a locking portion 3 on the female screw body 1 on the side opposite to the seating surface. As shown in FIGS. 7 (b) and 7 (d), a holding body 11 is provided on the seating surface side of the female screw body 1 or on the side opposite to the seating surface.
1 can be fitted with the outer cover member 2. Further, as shown in FIG. The main body 2a of the jacket member 2 is attached to the holding member 11 on the other side (there may be a projection or a ridge provided on the outer peripheral portion of the female screw body 1). The cap 16 may be attached to the main body 2a.
【００６２】この場合の包被めねじ体Ａは、各部材の適
所に仮止めして、コンクリート等にインサートする埋め
込みナット，取付ナット（ナットの構成は限定されな
い。）等として利用できるもので、係止部３へのおねじ
６の係合によりめねじ体１の全長を短くすることができ
るものであり、めねじ体１の外周には抜け止め部材１７
を付設することもあり、更には、前記したキャップ１６
は打設コンクリートの漏れや、該包被めねじ体Ａの後施
工の際に用いる接着剤の漏れ出しを防ぐ。In this case, the encapsulating female screw body A can be temporarily fixed at an appropriate position of each member and used as an embedded nut to be inserted into concrete or the like, a mounting nut (the configuration of the nut is not limited), and the like. The entire length of the female screw body 1 can be shortened by the engagement of the male screw 6 with the locking portion 3.
In some cases, the cap 16
Prevents leakage of the poured concrete and leakage of the adhesive used in the post-installation of the female screw body A.
【００６３】更に、該包被めねじ体Ａをコンクリートや
木材，金属やセラミック，合成樹脂製等の板材等へのイ
ンサート部材として用いる場合は、図１２に示すよう
に、係止部３の先端部３ａをシール等により閉塞してお
けば、外被部材２内への打設コンクリートや水分等の侵
入が防止されると共に、この先端部３ａが羽根状となっ
て、回り止めを発揮すると共に抜け止め部材１７の作用
を行なう。Further, when the wrapped female screw body A is used as an insert member for a plate material made of concrete, wood, metal, ceramic, synthetic resin, or the like, as shown in FIG. If the portion 3a is closed with a seal or the like, the intrusion of cast concrete, moisture, etc. into the casing member 2 is prevented, and the tip portion 3a becomes a wing-like shape to exert a detent and The function of the retaining member 17 is performed.
【００６４】なお、この成形体式の包被めねじ体Ａは、
図１５に示すように、めねじ体１と一体的に合成樹脂や
ゴム製材により形成してもよく、例えば、（ａ）に示す
ように、円形または角形状のめねじ体１を外被部材２と
一体的に形成し、このめねじ４の一側端部に係止部３を
延設してある。The female threaded body A of this molded body type is
As shown in FIG. 15, the female screw body 1 may be formed integrally with a synthetic resin or rubber material. For example, as shown in FIG. The female screw 4 has a locking portion 3 extending at one end thereof.
【００６５】また、（ｂ）と（ｃ）に示す例は（ａ）に
示めされるタイプの変形例で、その本体形状は任意に得
られるものであり、係止部３の端部を略円形のキャップ
状に形成してあって、（ｂ）の場合は、その端部を閉塞
し、（ｃ）の場合は、端部の一部を開口してある。The examples shown in (b) and (c) are modifications of the type shown in (a), and the shape of the main body can be obtained arbitrarily. In the case of (b), the end is closed, and in the case of (c), a part of the end is opened.
【００６６】更に、（ｄ）に示す場合は、係止部３をめ
ねじ４孔を一部覆うように設けてある。Further, in the case shown in (d), the locking portion 3 is provided so as to partially cover the female screw 4 hole.
【００６７】そして、この第三例による包被めねじ体Ａ
を用いての締結に際しては、まず、図８（ａ），（ｂ）
に示すように、取付部材ｂ，ｂの通孔１４，１４へおね
じ体５のおねじ６を通し、一方の取付部材ｂから突出し
たおねじ６へ、包被めねじ体Ａの座面側を取付部材ｂに
対応させてそのめねじ４を螺合させる。The female threaded body A according to the third example
8A, FIG. 8B, and FIG.
As shown in the figure, the external thread 6 of the male screw body 5 is passed through the through holes 14, 14 of the mounting members b, b, and the seating surface of the female threaded body A to the male screw 6 protruding from one of the mounting members b. The female screw 4 is screwed so that the side corresponds to the mounting member b.
【００６８】そして、図８（ａ）に示す場合は、包被め
ねじ体Ａ（おねじ体５であっても構わない。）をスパナ
やレンチ等の工具を掛けて回転すると、おねじ６とめね
じ４との螺合に伴って、おねじ体５のおねじ６における
先端部は、めねじ体１の一側部、すなわち、係止部３に
達するものであり、更に、包被めねじ体Ａを回転させる
と、該おねじ６はめねじ体Ａの一側部より突出して、同
図に示すように、包被めねじ体Ａにおける外被部材２の
係止部３に螺合するので、該係止部３がおねじ６のねじ
の山谷に係合して結合され、おねじ体１と一体化され
て、両ねじ体１，５の戻り止めあるいは緩み止めとな
る。In the case shown in FIG. 8 (a), when the female screw body A (the male screw body 5 may be used) is rotated with a tool such as a spanner or a wrench, the male screw 6 With the screwing of the female screw 4, the tip of the male screw 6 of the male screw body 5 reaches one side of the female screw body 1, that is, the locking portion 3. When the screw body A is rotated, the male screw 6 protrudes from one side of the female screw body A, and is screwed into the locking portion 3 of the jacket member 2 in the female screw body A as shown in FIG. As a result, the locking portion 3 is engaged with and engaged with the crests and valleys of the male screw 6, and is integrated with the male screw body 1, so that the two screw bodies 1 and 5 serve as detent or loosening prevention.
【００６９】そして、外被部材２が収縮性を有する合成
樹脂製薄厚材により成形されているときは、図８（ａ）
において符号Ｈにより示すように、おねじ６に係合して
いる係止部３に対して加熱手段による熱風等によって加
熱を与えることで、係止部３は円周方向に収縮を起こし
ておねじ６面への密着が一層進行することで、前記した
効果が発揮される。When the jacket member 2 is formed of a thin synthetic resin material having shrinkage, FIG.
As shown by the symbol H, the locking portion 3 engaged with the male screw 6 is heated by hot air or the like by a heating means, so that the locking portion 3 contracts in the circumferential direction. The above-described effect is exhibited by further promoting the close contact with the screw 6 surface.
【００７０】また、係止部３の熱収縮を行なって、この
係止部３をおねじ６面へ密着させる形態において、おね
じ６のねじ山以外にも、図８（ｃ）に示すように、おね
じ６に形成した縦・横の溝２０や、図示してない孔また
はくぼみ，凹み，切り込み，切り割り等に侵入させるこ
とで該おねじ６との一体化を図る。Further, in a mode in which the locking portion 3 is thermally contracted so that the locking portion 3 is brought into close contact with the surface of the male screw 6, as shown in FIG. Then, the thread is integrated with the male screw 6 by penetrating into the vertical / horizontal grooves 20 formed in the male screw 6 or holes or dents, dents, cuts, cuts, and the like (not shown).
【００７１】更に、この例においては、図８（ｂ）に示
すように、めねじ体１に装着された外被部材２における
係止部３を、おねじ６の外径より大径に形成しておき、
この包被めねじ体Ａのおねじ体５への螺合により物品ｂ
の緊締後に、同図において符号Ｈにより示されるように
加熱を与えて、外被部材２における係止部３の熱収縮を
行なって、この係止部３をおねじ６面へ密着させること
もできるもので、前記した例と同様の作用効果を発揮す
る。Further, in this example, as shown in FIG. 8B, the locking portion 3 of the jacket member 2 attached to the female screw body 1 is formed to have a larger diameter than the outer diameter of the male screw 6. Aside
The article b is formed by screwing the wrapped female screw body A into the male screw body 5.
After being tightened, heating is applied as shown by reference numeral H in the figure to thermally shrink the locking portion 3 of the jacket member 2, so that the locking portion 3 is brought into close contact with the male screw 6 surface. It can achieve the same effects as the above-described example.
【００７２】次に、本発明実施例の第四例の包被めねじ
体Ａおよびめねじ体の戻り防止方法について述べる。Next, a description will be given of a fourth embodiment of the present invention, which is a method for preventing return of the female threaded body A and the female threaded body.
【００７３】この例における包被めねじ体Ａは、前記し
た第三例と同様に、めねじ体１の外周またはめねじ体１
の外側面部に突設させた保持体１１へ、筒状に成形した
外被部材２を装着し、めねじ体１外周またはめねじ体１
の保持体１１へ当接させると共に、この外被部材２にお
ける一側部を所定長さを突設し、おねじ体５のおねじ６
への係止部３を形成させる。The wrapped female screw body A in this example is the outer periphery of the female screw body 1 or the female screw
The cylindrical outer cover member 2 is mounted on the holding member 11 protruding from the outer surface of the female screw body 1.
And a side of the outer cover member 2 is provided with a predetermined length so that the male member 6 has a male screw 6.
Is formed.
【００７４】この例にあって、めねじ体１と外被部材２
とによる結合状態と、係止部３の形成状態は、前述した
第一〜第三例の包被めねじ体Ａの場合とほぼ同様で、そ
の構成は、図１および図５，図７の例を援用する。In this example, a female screw 1 and a jacket 2
And the state of formation of the locking portion 3 are almost the same as those of the above-described first to third examples of the encapsulating female screw body A, and the configuration thereof is shown in FIGS. Invite examples.
【００７５】そして、使用にあってはアンカーボルト，
調整ねじや、おねじ径より軸部（胴部）２２が小径の各
種おねじ体５等に螺合しての物品ｂの正確な位置決めし
た後の締結に適しているもので、例えば、図９（ａ）に
示すように、アンカーボルト等のおねじ体５は、そのお
ねじ６の外径Ｓ１より軸部２２の外径Ｓ２の方が細くな
るように形成されているもので、包被めねじ体Ａにおけ
る係止部３径は、少なくとも軸部２２径より太く形成さ
れる。In use, anchor bolts,
It is suitable for fastening after adjusting the positioning of the article b by adjusting the screw and the shaft portion (body portion) 22 of which is screwed to the various male screw members 5 having a smaller diameter than the male screw diameter. As shown in FIG. 9 (a), the male screw body 5 such as an anchor bolt is formed so that the outer diameter S2 of the shaft portion 22 is smaller than the outer diameter S1 of the male screw 6, The diameter of the locking portion 3 in the female screw body A is formed to be at least larger than the diameter of the shaft portion 22.
【００７６】まず、下地体２１より立設させたおねじ体
５へ、包被めねじ体Ａをその係止部３が先となるように
して螺合させ、この係止部３が軸部２２に達するまで螺
動させる。First, the wrapped female screw body A is screwed into the male screw body 5 erected from the base body 21 so that the locking portion 3 comes first. Screw until it reaches 22.
【００７７】この状態で、図９（ａ）において符号Ｈに
より示すように、加熱手段により熱収縮させると、係止
部３はその円周方向への収縮によって軸部２２の周部に
密着する。In this state, as shown by reference numeral H in FIG. 9A, when heat contraction is performed by the heating means, the locking portion 3 comes into close contact with the peripheral portion of the shaft portion 22 by contraction in the circumferential direction. .
【００７８】そして、図９（ｂ）に示すように、包被め
ねじ体Ａをおねじ６への螺動により所定位置まで戻す
と、係止部３はおねじ６に係合して回転抵抗が与えら
れ、物品ｂ下面位置の位置決めがなされたときは、その
摩擦とねじ山への食い込みによりめねじ体１の戻り止め
となる。Then, as shown in FIG. 9B, when the wrapped female screw body A is returned to a predetermined position by screwing on the male screw 6, the locking portion 3 is engaged with the male screw 6 and the rotation resistance is reduced. When the position of the lower surface of the article b is determined, the internal thread body 1 is stopped by the friction and biting into the thread.
【００７９】そのため、物品ｂの取り付けに際して、そ
の干渉等があっても、めねじ体１の戻り止め効果が持続
して該めねじ体１の妄動がないので、取付ナット２３に
よる物品ｂ固定において正確な取付位置でなされると共
に、物品ｂの固定または連結等に使用されナットの共回
りがない。Therefore, when the article b is attached, even if there is interference or the like, since the detent effect of the female thread body 1 is maintained and the female thread body 1 does not move, the article b can be fixed by the mounting nut 23. It is performed at an accurate mounting position, and is used for fixing or connecting the article b, and there is no co-rotation of the nut.
【００８０】この例において、係止部３の係合は、図９
（ａ）に示すように軸部２２であっても構わないもの
で、図示してないが、軸部２２に係止部３が絡み付く突
起あるいは凹みを設けておけば、より係合状態が強固で
安定する。In this example, the engagement of the locking portion 3 is as shown in FIG.
As shown in (a), the shaft portion 22 may be used, and although not shown, if the shaft portion 22 is provided with a projection or a recess in which the locking portion 3 is entangled, the engagement state is further strengthened. And stabilized.
【００８１】なお、本発明実施例の包被めねじ体Ａは、
前記して慣用のナット以外にも、図１０（ａ）に示すよ
うに、板材２４にタッピングしためねじ体１にも適用で
きるもので、係止部３とのねじの併用によりめねじ４の
長さは短くてすみ、また、キャップ１６を被着すること
で外被部材２の変形・劣化や外観が良好となる。The female screw body A of the embodiment of the present invention
As shown in FIG. 10 (a), in addition to the conventional nut, as shown in FIG. 10 (a), it can be applied to the screw body 1 for tapping on the plate member 24. The length may be short, and by attaching the cap 16, the outer shape and deformation of the outer cover member 2 and the appearance are improved.
【００８２】また、インサート用のめねじ体１として、
図１０（ｂ）に示すように、筒体２５内の一側に包被め
ねじ体Ａを挿嵌し、他側を止栓２６により閉塞させるこ
とで簡単で安価に形成されるものであり、図示してない
が、筒体２５をパイプに採用することができるもので、
包被めねじ体Ａが挿嵌されるパイプの端部は、めねじ体
１の外径状に合わせて六角状や、少なくともめねじ体１
の対面する二面が係合する取付部が設けられる。As the internal thread body 1 for the insert,
As shown in FIG. 10 (b), the female screw body A is inserted into one side of the cylindrical body 25, and the other side is closed with a stopper 26, thereby forming the cylindrical body 25 easily and inexpensively. Although not shown, the tubular body 25 can be used for the pipe.
The end of the pipe into which the wrapped female screw body A is inserted is a hexagonal shape according to the outer diameter of the female screw body 1 or at least
A mounting portion is provided in which two opposite surfaces of the mounting portion engage.
【００８３】図１０（ｃ）に示す場合は、めねじ体１の
側部においてその両側に係止部３を設けた例を示すもの
で、その係止部３の内径は異なることもある。FIG. 10 (c) shows an example in which locking portions 3 are provided on both sides of the female screw body 1 on both sides thereof, and the inner diameters of the locking portions 3 may be different.
【００８４】図１０（ｄ）に示す場合は、おねじ体５の
おねじ６に螺合する包被めねじ体Ａにおいて、係止部３
を介しておねじ６へ他のめねじ体２７を螺合させること
でダブルナット状態となり、戻り止めに有効である。In the case shown in FIG. 10 (d), in the case of the female screw body A which is screwed to the male screw 6 of the male screw body 5, the locking portion 3
By screwing another female screw body 27 to the screw 6 through the hole, a double nut state is obtained, which is effective for detent.
【００８５】更に、図１０（ｅ）に示す場合は、包被め
ねじ体Ａをターンバックルに用いたときに、めねじ体１
に取り付けた外被部材２は、その係止部３がおねじ体５
のおねじ６に係合してめねじ体１とおねじ体５とが一体
化しているため、めねじ体１の他方のめねじ４に他のお
ねじ体２８を螺合させたとき、このおねじ体２８の螺動
にめねじ体１が連れ回りする妄動することがない。Further, in the case shown in FIG. 10 (e), when the wrapped female screw body A is used for a turnbuckle,
The locking member 3 of the jacket member 2 attached to the
Since the female screw body 1 and the male screw body 5 are integrated with each other by engaging with the male screw 6, when another male screw body 28 is screwed into the other female screw 4 of the female screw body 1, The female screw body 1 does not move along with the screwing of the male screw body 28, so that there is no delusion.
【００８６】また、ターンバックルとして包被めねじ体
Ａを用いた他の例として、建築物用床高さ調整部材に利
用できるもので、図１３に示すように、床板３０側と土
台３１側とにそれぞれ設けられるもので、床板３０側
は、その床板３０の下面にめねじ体１付きの受体３２を
当接し、このめねじ体１の保持体１１（めねじ体１の外
周でも可）に外被部材２の主体２ａを外装して、めねじ
体１の一方のめねじ４におねじ体５のおねじ６を螺合さ
せ、このおねじ６の外周に外被部材２の係止部３を係合
させる。As another example using the female threaded body A as a turnbuckle, it can be used for a floor height adjusting member for a building, and as shown in FIG. 13, the floor plate 30 side and the base 31 side. On the floor plate 30 side, a receiving body 32 with a female screw body 1 abuts on the lower surface of the floor plate 30, and the holding body 11 of the female screw body 1 (the outer circumference of the female screw body 1 is also acceptable). ), The main body 2 a of the jacket member 2 is externally mounted, and the male screw 6 of the screw body 5 is screwed into one of the internal threads 4 of the female screw body 1. The engaging portion 3 is engaged.
【００８７】また、土台３１側は、コンクリート等によ
る土台３２に設けた金具３３にめねじ体１に外被部材２
の主体２ａを外装して、めねじ体１の他方のめねじ４に
おねじ体５のおねじ６を螺合させ、このおねじ６の外周
に外被部材２の係止部３を係合させてあるもので、床板
３０側のおねじ６が右ねじに、土台３１側のおねじ６が
左ねじとなる逆ねじに形成してある。On the base 31 side, a female screw body 1 is attached to a metal fitting 33 provided on a base 32 made of concrete or the like.
The main body 2a of the female screw body is externally mounted, and the male screw 6 of the screw body 5 is screwed into the other female screw 4 of the female screw body 1, and the locking portion 3 of the jacket member 2 is engaged with the outer periphery of the male screw 6. The external thread 6 on the floor plate 30 is formed as a right-hand thread, and the external thread 6 on the base 31 is formed as a reverse thread as a left-hand thread.
【００８８】そして、おねじ体５の中間部には、工具掛
け３４を付設して床高さ調整時のおねじ体５の螺動を容
易にしてある。A tool hook 34 is provided at an intermediate portion of the male screw 5 to facilitate the screwing of the screw 5 when adjusting the floor height.
【００８９】図１１においてＡは、めねじ４長さの短い
複数のめねじ体１を外被部材２により一体的に結合した
例の包被めねじ体で、実質的に二つのめねじ体１，１を
用いて、これらのめねじ４よりめねじ４長さが長いめね
じ体１と同様の作用をなすもので、両めねじ体１，１の
間に係止部３を設けるか、仮想線で示すように、一方
か、あるいは、図示してないが両方のめねじ体１の側部
に突設させる。In FIG. 11, A is a wrapped female threaded body in which a plurality of female threaded bodies 1 having a short female thread 4 and having a short length are integrally connected by a covering member 2, and substantially two female threaded bodies are provided. The same operation as the female screw body 1 having the female screw 4 longer than the female screw 4 is performed by using the female screw 1 and the locking member 3 between the female screw bodies 1 and 1. As shown by phantom lines, one or both of the female screw bodies 1 (not shown) are provided so as to protrude.
【００９０】この場合、中間部の係止部３の全長または
めねじ体１，１の側部付近においてめねじ４径より小径
に形成しておけば、包被めねじ体Ａの全体が戻り止め効
果を発揮するもので、水や油，空気等の流体の配管材の
戻り止めとなり、更に、両めねじ体１，１を左右の逆ね
じに形成すればターンパックルとして利用できる。In this case, if the diameter of the female thread 4 is smaller than the diameter of the female thread 4 near the entire length of the locking portion 3 at the intermediate portion or near the side of the female threaded body 1, 1, the entire female threaded body A returns. It exerts a stopping effect, and serves as a detent for a pipe material of a fluid such as water, oil, or air, and can be used as a turn pack if the both female screw bodies 1 and 1 are formed with left and right reverse screws.
【００９１】図１４に示す包被めねじ体Ａの各例は、座
金や各種金物あるいは構造体等の板材２４に連結させた
もので、同図において（ａ）は、該板材２４にめねじ体
１を溶着や接着してある。Each example of the encapsulating female screw body A shown in FIG. 14 is connected to a plate material 24 such as a washer, various hardware, or a structure. In FIG. The body 1 is welded or bonded.
【００９２】また、（ｂ）に示す場合は、板材２４に形
成した容入部３５に包被めねじ体Ａにおける主体２ａを
外装しためねじ体１を嵌着してある。[0092] In the case shown in (b), the screw body 1 is fitted to the receiving portion 35 formed in the plate member 24 to cover the main body 2a of the encased screw body A.
【００９３】（ｃ）に示す場合は、板材２４の通孔３６
にめねじ体１の座面側に突設させた保持体１１を嵌着し
てある。In the case shown in (c), the through holes 36 of the plate material 24
A holding body 11 protruding from the seat surface side of the female screw body 1 is fitted.
【００９４】（ｄ）に示す場合は、包被めねじ体Ａの係
止部３を板材２４の通孔３６に挿嵌してあるもので、通
孔３６に係止部３を保持させることで、容易に包被めね
じ体Ａの仮止めができるものであり、同図において仮想
線で示すように、クリップナット等としても利用が可能
である。In the case shown in (d), the locking portion 3 of the female screw body A is inserted into the through hole 36 of the plate member 24, and the locking portion 3 is held in the through hole 36. Thus, it is possible to easily temporarily fix the encapsulating female screw body A, and as shown by the imaginary line in FIG.
【００９５】更に、前記したように外被部材２にゴム製
材を用いた場合は、図１６（ａ）に示すように、原材２
ｇの一側部を治具４０によりめねじ体１の外周径以上に
押し広げ、（ｂ）に示すように、このめねじ体１を押し
広げ箇所へ挿入した後、原材２ｇの一側部から治具４０
を取り除けば、（ｃ）に示すように、外被部材２として
その主体２ａがめねじ体１の外周へ密着し、めねじ体１
の一側部に係止部３が形成される。Further, when rubber material is used for the jacket member 2 as described above, as shown in FIG.
g of one side of the raw material 2g after the one side portion of the raw material 2g is expanded by the jig 40 beyond the outer diameter of the female screw body 1 and inserted into the expanded portion as shown in FIG. Jig 40 from the part
Is removed, as shown in (c), the main body 2a of the outer cover member 2 comes into close contact with the outer periphery of the female screw body 1, and the female screw body 1
A locking portion 3 is formed on one side of the arm.
【００９６】[0096]
【発明の効果】前述のように構成される本発明は、物品
の締結に際して、めねじ体への外被部材の外装によって
形成される係止部が、おねじ体のおねじに係合しておね
じ体とめねじ体とが一体的となるので、大きな戻り止め
効果を発揮する。According to the present invention constructed as described above, at the time of fastening an article, the locking portion formed by the sheath of the jacket member on the female screw body engages with the external thread of the external thread body. Since the male screw body and the female screw body are integrated, a large detent effect is exhibited.
【００９７】係止部に被覆層を設けることで、この係止
部のおねじの螺合時における拡開が抑制され、かつ、外
的要因による劣化を防止できて、可及的にめねじ体の戻
り止め作用を継続させることができる。By providing a coating layer on the locking portion, the expansion of the locking portion during screwing of the external thread can be suppressed, and deterioration due to external factors can be prevented. The detent action of the body can be continued.
【００９８】物品の緊締後に、外被部材の収縮を行なっ
て係止部をおねじ面や軸部へ密着させることにより、戻
り止め効果を一層向上させることができる。等の格別の
効果を奏するものである。After the article is tightened, the outer member is contracted to bring the locking portion into close contact with the male thread surface or the shaft portion, whereby the detent effect can be further improved. And so on.
【図１】本発明に関する第一例の包被めねじ体の各実施
例を示す断面図である。FIG. 1 is a cross-sectional view showing each embodiment of a female threaded body of a first example according to the present invention.
【図２】図１における係止部の他の例を示す正面図であ
る。FIG. 2 is a front view showing another example of the locking portion in FIG.
【図３】図１における包被めねじ体の他の各実施例を示
す断面図である。FIG. 3 is a cross-sectional view showing another embodiment of the wrapped female screw body in FIG. 1;
【図４】図１における包被めねじ体の締結状態を示す説
明図である。FIG. 4 is an explanatory view showing a fastened state of the wrapped female screw body in FIG. 1;
【図５】本発明に関する第二例の包被めねじ体の各実施
例を示す断面図である。FIG. 5 is a cross-sectional view showing each embodiment of the female threaded body of the second example according to the present invention.
【図６】図５における包被めねじ体の締結状態を示す説
明図である。FIG. 6 is an explanatory view showing a fastening state of the female cover body in FIG. 5;
【図７】本発明に関する第三例の包被めねじ体の各実施
例を示す断面図である。FIG. 7 is a cross-sectional view showing each embodiment of a third embodiment of the female screw body according to the present invention.
【図８】図７における包被めねじ体の締結状態を示す説
明図である。FIG. 8 is an explanatory view showing a fastening state of the female cover body in FIG. 7;
【図９】本発明に関する第四例の包被めねじ体の実施例
を示す断面図である。FIG. 9 is a cross-sectional view showing an embodiment of a fourth example of the encapsulating female screw body according to the present invention.
【図１０】本発明に関する包被めねじ体の他の例を示す
断面図である。FIG. 10 is a cross-sectional view showing another example of the wrapped female screw body according to the present invention.
【図１１】本発明に関する包被めねじ体の更に他の例を
示す断面図である。FIG. 11 is a cross-sectional view showing still another example of the female cap body according to the present invention.
【図１２】本発明に関する包被めねじ体の他の使用例を
示す断面図である。FIG. 12 is a cross-sectional view showing another example of use of the wrapped female screw body according to the present invention.
【図１３】本発明に関する包被めねじ体の更に他の使用
例を示す断面図である。FIG. 13 is a cross-sectional view showing still another example of use of the wrapped female screw body according to the present invention.
【図１４】本発明に関する包被めねじ体を板材に用いた
例を示す断面図である。FIG. 14 is a cross-sectional view showing an example in which the wrapped female screw body according to the present invention is used for a plate material.
【図１５】本発明に関する包被めねじ体の他の各例を示
す断面図である。FIG. 15 is a cross-sectional view showing another example of the female screw body according to the present invention.
【図１６】本発明に関する包被めねじ体の更に他の例の
成形状態を示す説明図である。FIG. 16 is an explanatory view showing a molding state of still another example of the wrapped internal thread body according to the present invention.
【図１７】従来のナットまたはボルトの緩み止め手段の
各例を示す説明図である。FIG. 17 is an explanatory view showing each example of a conventional nut or bolt loosening prevention means.
Ａ 包被めねじ体 ｂ 物品 １ めねじ体 ２ 外被部材 ３ 係止部 ４ めねじ ５ おねじ体 ６ おねじ １１ 保持体 １５ 被覆層 ２２ 軸部 A Female threaded body b Article 1 Female threaded body 2 Jacket member 3 Locking part 4 Female thread 5 Male threaded body 6 Male threaded 11 Holder 15 Coating layer 22 Shaft
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平９−14250（ＪＰ，Ａ) 特開 平７−42725（ＪＰ，Ａ) 登録実用新案3020070（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F16B 39/00 - 39/38 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-9-14250 (JP, A) JP-A-7-42725 (JP, A) Registered utility model 3020070 (JP, U) (58) Fields surveyed ( Int.Cl. 7 , DB name) F16B 39/00-39/38
Claims (4)
部に突設させた保持体へ、筒状に成形した外被部材を装
着し、該外被部材を収縮させてめねじ体外周またはめね
じ体の保持体へ密着させると共に、この外被部材におけ
る一側部をめねじ体座面側において、前記めねじ体のめ
ねじにおける谷径より小径となるように収縮させて所定
長さを突設し、おねじ体のおねじへの係止部を形成させ
たことを特徴とする包被めねじ体。1. A tubular jacket member is mounted on a holder protruding from an outer periphery of a female screw body or an outer surface portion of the female screw body, and the jacket member is contracted to reduce the outer circumference of the female screw body. Alternatively, the female screw body is brought into close contact with the holding member, and one side of the outer cover member is shrunk on the seat surface side of the female screw body so as to have a smaller diameter than the root diameter of the female screw of the female screw body to a predetermined length. A wrapped female screw body characterized in that a protrusion is provided to form a locking portion for a male screw to a male screw.
部に突設させた保持体へ、筒状に成形した外被部材を装
着し、該外被部材を収縮させてめねじ体外周またはめね
じ体の保持体へ密着させると共に、この外被部材におけ
る一側部を、前記めねじ体のめねじにおける谷径より小
径となるように収縮させて所定長さを突設し、おねじ体
のおねじへの係止部を形成させて、この係止部に被覆層
を設けたことを特徴とする包被めねじ体。2. A jacket member formed in a cylindrical shape is mounted on a holder protruding from the outer periphery of the female screw body or the outer surface of the female screw body, and the outer member is contracted to reduce the outer circumference of the female screw body. Alternatively, while being in close contact with the holding member of the female screw body, one side of the jacket member is contracted so as to have a smaller diameter than the root diameter of the female screw of the female screw body, and a predetermined length is protruded therefrom. An encapsulating screw body, wherein an engaging portion of the screw body to the external thread is formed and a coating layer is provided on the engaging portion.
部に突設させた保持体へ、筒状に成形した外被部材を装
着し、該外被部材を収縮させてめねじ体外周またはめね
じ体の保持体へ密着させると共に、この外被部材におけ
る一側部を、前記めねじ体のめねじにおける谷径より小
径となるように収縮させて所定長さを突設し、おねじ体
のおねじへの係止部を形成させた包被めねじ体にあっ
て、 この包被めねじ体のおねじ体への螺合により物品の緊締
後または螺合前に、外被部材における係止部の内周また
は外周に被覆層を形成させたことを特徴とするめねじ体
の戻り防止方法。3. A tubular jacket member is mounted on a holder protruding from the outer periphery of the female screw body or the outer surface of the female screw body, and the outer cover member is contracted to reduce the outer circumference of the female screw body. Alternatively, while being in close contact with the holding member of the female screw body, one side of the jacket member is contracted so as to have a smaller diameter than the root diameter of the female screw of the female screw body, and a predetermined length is protruded therefrom. A female threaded body formed with a locking portion for a male thread on a threaded body, wherein the female threaded body is tightened with the external threaded body after tightening or before threading the article. A method for preventing a female screw from returning, wherein a coating layer is formed on the inner or outer periphery of a locking portion of the member.
部に突設させた保持体へ、筒状に成形した外被部材を装
着し、めねじ体外周またはめねじ体の保持体へ当接させ
ると共に、この外被部材における一側部を所定長さを突
設し、おねじ体のおねじへの係止部を形成させた包被め
ねじ体にあって、 この包被めねじ体を、おねじとこのおねじより小径の軸
部とからなるおねじ体へ、前記係止部を先にして該軸部
へ向かって螺合し、該係止部を軸部に対応させて、該係
止部を収縮させて軸部へ密着させこの係止部を係合させ
るか、係止部を収縮させて軸部へ密着させた後、めねじ
体の螺動によりこの係止部をおねじに位置させて係合さ
せるかのどちらか一方を選択的に行なうことを特徴とす
るめねじ体の戻り防止方法。4. A tubular jacket member is mounted on a holder protruding from the outer periphery of the female screw body or the outer side surface of the female screw body, and is attached to the outer periphery of the female screw body or the female screw holder. The outer cover member is provided with a side portion of the outer cover member projecting a predetermined length to form an engaging portion of the outer screw member to the external thread. A screw body is screwed to a male screw body including a male screw and a shaft part having a smaller diameter than the male screw toward the shaft part with the locking part first, and the locking part corresponds to the shaft part. Then, the locking portion is contracted and brought into close contact with the shaft portion to engage with the locking portion, or the locking portion is contracted and brought into close contact with the shaft portion, and then the female screw is screwed into the engagement portion. A method for preventing return of a female threaded body, wherein either one of positioning and engaging a stop portion with a male screw is selectively performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03726697A JP3295335B2 (en) | 1996-11-11 | 1997-02-21 | Female thread body and method of preventing return of female thread body |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29847596 | 1996-11-11 | ||
| JP8-298475 | 1996-11-11 | ||
| JP03726697A JP3295335B2 (en) | 1996-11-11 | 1997-02-21 | Female thread body and method of preventing return of female thread body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10184650A JPH10184650A (en) | 1998-07-14 |
| JP3295335B2 true JP3295335B2 (en) | 2002-06-24 |
Family
ID=26376403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03726697A Expired - Fee Related JP3295335B2 (en) | 1996-11-11 | 1997-02-21 | Female thread body and method of preventing return of female thread body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3295335B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5566847B2 (en) * | 2010-10-18 | 2014-08-06 | 中国電力株式会社 | nut |
| JP5908347B2 (en) * | 2012-06-18 | 2016-04-26 | 株式会社日立製作所 | Electromagnetic switchgear |
-
1997
- 1997-02-21 JP JP03726697A patent/JP3295335B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10184650A (en) | 1998-07-14 |
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