JPH0972325A - Nut with washer having fastening torque control mechanism - Google Patents
Nut with washer having fastening torque control mechanismInfo
- Publication number
- JPH0972325A JPH0972325A JP22634995A JP22634995A JPH0972325A JP H0972325 A JPH0972325 A JP H0972325A JP 22634995 A JP22634995 A JP 22634995A JP 22634995 A JP22634995 A JP 22634995A JP H0972325 A JPH0972325 A JP H0972325A
- Authority
- JP
- Japan
- Prior art keywords
- nut
- washer
- fastened
- fastening
- bolt
- 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
Links
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、座金付ナットに
関する。TECHNICAL FIELD The present invention relates to a nut with a washer.
【０００２】[0002]
【従来の技術】従来、この種の座金付ナットとしては、
ナットに対して略同芯の平板ワッシャまたはスプリング
ワッシャが座金として上記ナットに固定されているもの
がある。この座金付ナットは、座金があらかじめ固定さ
れているから、締結作業を効率良く行える。2. Description of the Related Art Conventionally, as a nut with a washer of this type,
Some flat washers or spring washers that are substantially concentric with the nut are fixed to the nut as washers. Since the washer is fixed in advance in this nut with washer, the fastening work can be performed efficiently.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来の座金付ナットでは、締付トルクが所定値に達したか
否かを知るためにはトルクレンチを用いて締付トルクを
測定する必要がある。したがって、締付の完了を確認す
るのに手間がかかるという問題がある。However, in the conventional nut with washer described above, it is necessary to measure the tightening torque using a torque wrench in order to know whether or not the tightening torque has reached a predetermined value. . Therefore, there is a problem that it takes time to confirm the completion of tightening.
【０００４】そこで、この発明の目的は、締付トルク管
理機能を有する座金付ナット、すなわち、所定の締付ト
ルクを得て締付が完了したことが簡単確実に分かる座金
付ナットを提供することにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a washer nut having a tightening torque management function, that is, a washer nut by which a predetermined tightening torque can be easily and surely confirmed. It is in.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、請求項１の発明の座金付ナットは、ナットと、小径
端部が上記ナットに相対回転可能に結合されており、大
径端部の環状の端面である締結面に軸方向に突出してい
る突起とを有する略皿形状の弾性材からなる座金とを備
えたことを特徴としている。In order to achieve the above object, the nut with washer according to the invention of claim 1 is such that the nut and the small-diameter end portion are coupled to the nut so as to be relatively rotatable, and the large-diameter end portion is provided. Is provided with a washer made of a substantially dish-shaped elastic material having a projection that protrudes in the axial direction on a fastening surface that is an annular end surface of the.
【０００６】したがって、請求項１の発明は、被締結部
材を貫通したボルトに上記座金付ナットを螺合し、この
ボルトと座金で被締結部材を締め付けたときに、座金は
弾性部材からなるから、その大径端部は、上記突起が上
記被締結部材に押し付けられて、大径端部の締結面から
没入するように弾性変形する。この弾性変形によって上
記突起は上記被締結部材を押圧する。そして、上記ナッ
トのさらなる螺合によって、上記締結面が上記被締結部
材に密着して上記被締結部材を押圧する。このとき、上
記被締結部材を貫通しているボルトに螺合して、被締結
部材を押圧している座金付ナットの締結面および突起が
その弾性で上記被締結部材を挟み付けて上記被締結部材
を締結することになる。Therefore, according to the invention of claim 1, when the nut having a washer is screwed into a bolt penetrating the fastened member and the fastened member is fastened with the bolt and the washer, the washer is made of an elastic member. The large-diameter end portion is elastically deformed so that the protrusion is pressed against the member to be fastened, and the large-diameter end portion is recessed from the fastening surface of the large-diameter end portion. Due to this elastic deformation, the protrusion presses the member to be fastened. Then, by further screwing of the nut, the fastening surface comes into close contact with the fastened member and presses the fastened member. At this time, the fastening surface and the projection of the nut with washer that is screwed into the bolt penetrating the member to be fastened and presses the member to be fastened sandwiches the member to be fastened by its elasticity, and the member to be fastened is fastened. The members will be fastened.
【０００７】この締結時には、上記突起は上記締結面に
没入するから上記突起と反対側に***が形成される。上
記突起の没入による上記締結面の被締結部材への密着を
目視することで、この座金付ナットによる被締結部材の
締結完了を容易に確認することができる。At the time of this fastening, since the protrusion is recessed in the fastening surface, a protrusion is formed on the side opposite to the protrusion. By visually observing the close contact of the fastening surface with the member to be fastened due to the depression of the protrusion, it is possible to easily confirm the completion of fastening the fastened member with the nut with washer.
【０００８】したがって、請求項１の発明によれば、所
定の締付トルクを得て締付が完了したことが簡単確実に
分かる座金付ナットを提供することができる。また、大
径端部の締結面で被締結部材を締め付けることができる
から、締付面積の増大を図ることができ、面圧を小さく
し座面の損傷を防止でき、また、安定確実な締付を実現
することができる。Therefore, according to the first aspect of the present invention, it is possible to provide a nut with a washer which can easily and surely obtain a predetermined tightening torque and confirm that the tightening is completed. Also, since the member to be fastened can be fastened with the fastening surface of the large-diameter end, the tightening area can be increased, the surface pressure can be reduced, and the seat surface can be prevented from being damaged. Can be realized.
【０００９】さらに、上記ナットに座金の小径部が相対
回転可能に連結されているから、座金が被締結部材に着
座した後、ナットを締め付けても、座金は静止したまま
で、ナットはボルトおよび座金に対して相対的に回転す
る。したがって、座金が被締結部材の着座面を損傷する
ことがない。また、ナットと座金が連結されているか
ら、作業性が良い。Further, since the small diameter portion of the washer is rotatably connected to the nut, the washer remains stationary even if the nut is tightened after the washer is seated on the member to be fastened. Rotate relative to the washer. Therefore, the washer does not damage the seating surface of the member to be fastened. Further, since the nut and the washer are connected, workability is good.
【００１０】また、請求項２の発明の座金付ナットは、
請求項１に記載の座金付ナットにおいて、上記ナット
は、上記ナットにねじ込まれたボルトに当たって、この
雄ネジが座金内に侵入するのを止める螺合停止部を備え
ていることを特徴としている。The nut with washer according to the second aspect of the invention is
The nut with washer according to claim 1 is characterized in that the nut is provided with a screwing stop portion for hitting a bolt screwed into the nut and stopping the male screw from entering the washer.
【００１１】したがって、請求項２の発明によれば、被
締結部材に締結面を対向させた上記座金付ナットと上記
被締結部材とを、例えばＵ字形状の挟み治具の挟み箇所
に配置し、上記座金付ナットを挟んで上記被締結部材に
対向している上記挟み治具の部分に上記ボルトを螺合す
ると共に、このボルトを上記ナットに螺合させる。する
と、上記ボルトは上記ナットの雌ネジに形成されている
螺合停止部に当たって、座金内に侵入することなく、上
記ナットを介して座金を上記被締結部材に押し付けるか
ら、上記座金の弾性変形によって没入した突起と上記挟
み治具とでもって上記被締結部材が挟み付けられること
になる。この場合にも、上記突起の締結面からの没入
と、締結面の被締結部材への密着とを目視することによ
って、締結完了を容易に確認することができる。Therefore, according to the second aspect of the present invention, the nut with washer whose fastening surface is opposed to the fastened member and the fastened member are arranged at, for example, a sandwiching position of a U-shaped sandwiching jig. The bolt is screwed into the portion of the sandwiching jig facing the member to be fastened with the nut with washer sandwiched therebetween, and the bolt is screwed into the nut. Then, the bolt hits the screwing stop formed on the female screw of the nut and presses the washer against the member to be fastened through the nut without entering the washer, so that the washer is elastically deformed. The member to be fastened is sandwiched by the recessed protrusion and the sandwiching jig. Also in this case, the completion of the fastening can be easily confirmed by visually observing the depression of the protrusion from the fastening surface and the close contact of the fastening surface with the member to be fastened.
【００１２】[0012]
【発明の実施の形態】以下、この発明を図示の形態によ
り詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings.
【００１３】図１に、この発明の座金付ナットの実施の
形態Ｚ１を示す。この形態Ｚ１は、ナット１と弾性材か
らなる座金２を備えている。この弾性材からなる座金２
はナット１の底面３に向かって先細になっているテーパ
ー筒部５と、このテーパー筒部５から延びている大径端
部としての外鍔部６を有している。この外鍔部６は、周
方向に略等間隔に形成された３つの突起７,８,９を有し
ている。この突起７,８,９は、上記外鍔部６の一部分を
プレスして湾曲させることによって簡単に形成できる。
上記外鍔部６は、被締結部材１０に向けて押圧される締
結面１１を有し、上記突起７,８,９は上記締結面１１か
ら上記締結面１１が向いている軸方向に所定の寸法だけ
突き出している。FIG. 1 shows an embodiment Z1 of the nut with washer of the present invention. This form Z1 includes a nut 1 and a washer 2 made of an elastic material. Washer 2 made of this elastic material
Has a tapered cylindrical portion 5 tapering toward the bottom surface 3 of the nut 1 and an outer flange portion 6 as a large-diameter end portion extending from the tapered cylindrical portion 5. The outer flange portion 6 has three protrusions 7, 8 and 9 formed at substantially equal intervals in the circumferential direction. The protrusions 7, 8 and 9 can be easily formed by pressing a part of the outer collar portion 6 to bend it.
The outer collar portion 6 has a fastening surface 11 that is pressed toward the fastened member 10, and the protrusions 7, 8 and 9 are provided in a predetermined axial direction from the fastening surface 11 to the fastening surface 11. Only the dimensions are protruding.
【００１４】図３(Ａ)に示すように、上記座金２の小径
端部としての内鍔１２は、ナット１の軸方向端部の外周
に形成された周溝１３に嵌合されてナット１に相対回転
可能に結合されている。As shown in FIG. 3 (A), the inner flange 12 as the small-diameter end of the washer 2 is fitted into the circumferential groove 13 formed on the outer periphery of the axial end of the nut 1 to be fitted into the nut 1. Is relatively rotatably coupled to.
【００１５】図３(Ｂ)に、この座金付ナットＺ１とボル
ト１５を使用して、２枚の鋼板１６と１７を締結してい
る様子を示す。また、図３(Ｃ)に、この座金付ナットＺ
１と埋め込みボルト１８とこの埋め込みボルト１８に外
嵌する末拡り筒部材２０とを用いて、Ｌ字形鋼板２１を
コンクリート壁２２に締結している様子を示す。上記埋
め込みボルト１８は上記座金付ナットＺ１に螺合して座
金付ナットＺ１を貫通している。この末拡り筒部材２０
は、末広がり部分２０Ａがコンクリート壁２２に埋め込
まれて壁２２に固定されている。そして、上記筒部材２
０の末広がり部２０Ａに埋め込みボルト１８の拡大部が
係合して、上記座金２の締結面１１が上記Ｌ字形鋼板２
１を壁２２に押圧することによって、Ｌ字鋼板２１をコ
ンクリート壁２２に締結している。FIG. 3B shows a state in which the nuts Z1 with washers and the bolts 15 are used to fasten two steel plates 16 and 17. In addition, in Fig. 3 (C), this nut with washer Z
It is shown that the L-shaped steel plate 21 is fastened to the concrete wall 22 by using 1 and the embedded bolt 18 and the divergent tubular member 20 fitted onto the embedded bolt 18. The embedded bolt 18 is screwed into the nut with washer Z1 and penetrates the nut with washer Z1. This end spreading cylinder member 20
Is fixed to the wall 22 by embedding the divergent portion 20A in the concrete wall 22. Then, the tubular member 2
The enlarged portion of the embedded bolt 18 is engaged with the end widening portion 20A of 0, and the fastening surface 11 of the washer 2 is the L-shaped steel plate 2
By pressing 1 against the wall 22, the L-shaped steel plate 21 is fastened to the concrete wall 22.
【００１６】図３(Ｂ)や図３(Ｃ)に例示したような締結
時の座金付ナットＺ１の外鍔部６の形状を図２に詳細に
示す。図２に示すように、締結時には、上記突起７は被
締結部材１０に押し付けられて、この突起７が外鍔部６
の締結面１１から没入するように外鍔部６が弾性変形す
る。この弾性変形によって上記突起７は上記被締結部材
１０を押圧する。また、図２に示すように、座金付ナッ
トＺ１が被締結部材１０に対して締め付けられたときに
は、上記締結面１１が上記被締結部材１０に密着してこ
の締結面１１も被締結部材１０を押圧する。このとき、
上記被締結部材１０を貫通しているボルトや埋め込みボ
ルトにより引っ張られて、上記被締結部材１０を押圧し
ている締結面１１および突起７とがその弾性で上記被締
結部材１０を挟み付けて上記被締結部材１０を締結する
ことになる。The shape of the outer collar portion 6 of the nut with washer Z1 at the time of fastening as shown in FIGS. 3 (B) and 3 (C) is shown in detail in FIG. As shown in FIG. 2, at the time of fastening, the projection 7 is pressed against the member 10 to be fastened, and the projection 7 is fixed to the outer flange portion 6.
The outer brim portion 6 elastically deforms so as to be immersed from the fastening surface 11 of. By this elastic deformation, the protrusion 7 presses the member 10 to be fastened. As shown in FIG. 2, when the washer nut Z1 is fastened to the fastened member 10, the fastening surface 11 is in close contact with the fastened member 10 and the fastened surface 11 also fastens the fastened member 10. Press. At this time,
The fastening surface 11 and the projection 7 that are pulled by a bolt penetrating the fastened member 10 or an embedded bolt and press the fastened member 10 sandwich the fastened member 10 by its elasticity. The member to be fastened 10 is fastened.
【００１７】この締結時には、上記突起７は上記締結面
１１に没入するから上記突起７と反対側に***２３，２
３が形成される。この***２３と上記締結面１１が上記
被締結部材１０に密着したこととを目視することによっ
て、締結の完了を確認することができる。At the time of this fastening, since the projection 7 is recessed in the fastening surface 11, the protrusions 23, 2 are formed on the side opposite to the projection 7.
3 is formed. The completion of the fastening can be confirmed by visually observing that the ridge 23 and the fastening surface 11 are in close contact with the fastened member 10.
【００１８】また、所定の締付トルク設定値に達すると
上記締結面１１が被締結部材１０に密着するから、締め
付けに要する力が急に大きくなる。したがって、作業者
は、手応えによっても、締付の完了を知ることもでき
る。Further, when the predetermined tightening torque set value is reached, the fastening surface 11 comes into close contact with the fastened member 10, so that the force required for fastening increases suddenly. Therefore, the worker can also know the completion of the tightening by the response.
【００１９】したがって、トルクレンチを用いることな
く、一般的な締付工具を用いて、所定の締付トルクで締
付作業を行うことができる。Therefore, the tightening work can be performed with a predetermined tightening torque by using a general tightening tool without using a torque wrench.
【００２０】さらに、上記ナット１に座金２の小径部と
しての内鍔１２が相対回転可能に連結されているから、
座金２が被締結部材１０に着座した後、ナット１を締め
付けても、座金２は静止したままで、ナット１はボルト
および座金２に対して相対的に回転する。したがって、
座金１が被締結部材１０の着座面を損傷することがな
い。また、ナット１と座金２が連結されているから、作
業性が良い。Furthermore, since the inner collar 12 as a small diameter portion of the washer 2 is connected to the nut 1 so as to be relatively rotatable,
Even if the nut 1 is tightened after the washer 2 is seated on the fastened member 10, the washer 2 remains stationary and the nut 1 rotates relative to the bolt and the washer 2. Therefore,
The washer 1 does not damage the seating surface of the fastened member 10. Further, since the nut 1 and the washer 2 are connected, workability is good.
【００２１】また、上記締付トルクの設定値は、座金２
の肉厚や、座金２の直径や、突起７,８,９の曲率半径Ｒ
の大きさや、弾発座金２の弾性材料の設定選択によっ
て、任意の値に設定することができる。The set value of the tightening torque is the washer 2
Thickness, diameter of washer 2 and radius of curvature R of protrusions 7, 8 and 9
Can be set to an arbitrary value by selecting the size of the elastic washer and the elastic material of the elastic washer 2.
【００２２】また、上記大径端部としての外鍔部６がナ
ット１よりも大径であるから、被締結部材１０を締結す
る締結面積の増大を図ることができ、面圧を小さくで
き、また、安定確実な締結を実現できる。Further, since the outer flange portion 6 as the large-diameter end portion has a larger diameter than the nut 1, the fastening area for fastening the fastened member 10 can be increased and the surface pressure can be reduced. In addition, stable and reliable fastening can be realized.
【００２３】なお、上記形態では、図３(Ｂ)や図３(Ｃ)
に示したように、座金付ナットＺ１を貫通するボルト１
５，１８を用いて締結を行った。これに対し、図４(Ａ)
に示すように、ナット１の雌ネジ２５の周溝１３側の端
部がつぶされて雄ネジの座金２内への侵入を止める螺合
停止部２７が形成されている座金付ナットＺ２とした場
合には、この座金付ナットＺ２を、図４(Ｂ)に示す吊り
金具３０の締結に応用することができる。この吊り金具
３０は略コの字形状であり、下部３０Ａにはブラケット
３１が軸支されている。そして、このブラケット３１に
はネジ棒３２が螺合されて固定されている。一方、上記
下部３０Ａの反対側の上部３０Ｂにはボルト３５が螺合
されており、このボルト３５は上部３０Ｂを貫通して、
座金付ナットＺ２のナット１に螺合して螺合停止部２７
に達している。また、上記座金付ナットＺ２の弾性座金
２と吊り金具３０の下部３０Ａとの間にはＬ字形鋼板３
６が挟み込まれている。そして、このボルト３５をネジ
回すことによって、上記座金２を上記Ｌ字形鋼板３６に
押圧すれば、吊り金具３０をＬ字形鋼板３６に締結する
ことができる。この座金付ナットＺ２も、座金付ナット
Ｚ１と同様、上記締結によって、上記外鍔部６が弾性的
に変形して突起７が没入すると同時に、外鍔部６がＬ字
形鋼板３６に密着するから、目視によって所定の締付が
得られたことを確認することができる。Incidentally, in the above-mentioned embodiment, FIG. 3 (B) and FIG. 3 (C)
As shown in, bolt 1 that penetrates nut Z1 with washer
5, 18 were used for the fastening. In contrast, Fig. 4 (A)
As shown in FIG. 3, a nut Z2 with a washer is formed in which the end portion of the female screw 25 of the nut 1 on the circumferential groove 13 side is crushed to form a screw stop portion 27 for stopping the male screw from entering the washer 2. In this case, this nut Z2 with washer can be applied to the fastening of the suspension fitting 30 shown in FIG. 4 (B). The hanging bracket 30 has a substantially U shape, and a bracket 31 is pivotally supported on the lower portion 30A. A screw rod 32 is screwed and fixed to the bracket 31. On the other hand, a bolt 35 is screwed into an upper portion 30B opposite to the lower portion 30A, and the bolt 35 penetrates the upper portion 30B.
The nut 1 of the nut with washer Z2 is screwed to the screwing stop portion 27.
Has been reached. Further, an L-shaped steel plate 3 is provided between the elastic washer 2 of the nut Z2 with washer and the lower portion 30A of the hanging fitting 30.
6 is sandwiched. Then, by screwing the bolt 35 to press the washer 2 against the L-shaped steel plate 36, the hanging fitting 30 can be fastened to the L-shaped steel plate 36. Similarly to the nut with washer Z1, the nut with washer Z2 is elastically deformed by the above fastening so that the projection 7 is recessed, and at the same time, the outer collar 6 comes into close contact with the L-shaped steel plate 36. , It is possible to visually confirm that the predetermined tightening has been obtained.
【００２４】このような吊り金具３０は、作業性の悪い
天井などに多数組付けられるものであるから、目視によ
って所定の締付トルクが得られたことを確認できること
は、作業性を大幅に向上できて、実際上極めて大きな効
果となる。Since a large number of such suspension fittings 30 are mounted on a ceiling or the like where workability is poor, it is possible to visually confirm that a predetermined tightening torque has been obtained, which greatly improves workability. You can do it, and it will be extremely effective in practice.
【００２５】また、ボルト３５の締め過ぎを容易に防止
でき、コの字形状の吊り金具３０の上部３０Ｂと下部３
０Ａとの間が拡がってしまうことを防止できる。また、
上記大径端部としての外鍔部６がナット１よりも大径で
あるから、被締結部材としての鋼板３６を締結する締結
面積の増大を図ることができ、面圧を小さくでき、ま
た、安定確実な締結を実現できる。Further, it is possible to easily prevent the bolt 35 from being overtightened, and the upper portion 30B and the lower portion 3 of the U-shaped hanging fitting 30 can be easily prevented.
It is possible to prevent the gap between 0A and 0A. Also,
Since the outer flange portion 6 as the large-diameter end portion has a larger diameter than the nut 1, the fastening area for fastening the steel plate 36 as the fastened member can be increased, the surface pressure can be reduced, and A stable and secure fastening can be realized.
【００２６】これに対し、図５に示すように、この座金
付ナットＺ２を使用しなければ、ボルト３５の締め過ぎ
による吊り金具３０の拡がり変形が発生し、金具３０の
強度不足が起こる恐れがある。しかも、鋼板３６を締結
する締結面積が小さいから、締結が不安定で不確実であ
る。On the other hand, as shown in FIG. 5, if the nut with washer Z2 is not used, the hanging metal fitting 30 may be expanded and deformed due to overtightening of the bolt 35, resulting in insufficient strength of the metal fitting 30. is there. Moreover, since the fastening area for fastening the steel plate 36 is small, fastening is unstable and uncertain.
【００２７】なお、図４(Ａ)に示すように、この座金付
ナットＺ２の弾発座金２の外鍔部６の締結面１１にゴム
シート３８が接着されているから、被締結部材に対する
すべりを防ぐことができ、また、座面の損傷を防止でき
る。また、上記螺合停止部２７は、ナット１の外周端部
をかしめることによって形成してもよい。As shown in FIG. 4 (A), since the rubber sheet 38 is adhered to the fastening surface 11 of the outer flange portion 6 of the elastic washer 2 of the nut Z2 with washer, the slip on the fastened member is prevented. Can be prevented, and the seat surface can be prevented from being damaged. The screwing stop portion 27 may be formed by crimping the outer peripheral end portion of the nut 1.
【００２８】尚、上記形態では、外鍔部６の３箇所に突
起７,８,９を形成したが、外鍔部６の３箇所以上に突起
を形成してもよい。また、上記形態では、外鍔部６を構
成する鋼板をプレスして上記突起を形成したが、この突
起の形成方法は鋼板プレスに限らず、肉盛りで形成して
もよい。In the above embodiment, the projections 7, 8 and 9 are formed at three locations on the outer collar portion 6, but the projections may be formed at three or more locations on the outer collar portion 6. Further, in the above-described embodiment, the steel plate forming the outer flange portion 6 is pressed to form the protrusion, but the method of forming the protrusion is not limited to the steel plate pressing, and the protrusion may be formed.
【００２９】[0029]
【発明の効果】以上より明らかなように、請求項１の発
明の座金付ナットは、ナットと、小径端部が上記ナット
に相対回転可能に結合されており、大径端部の環状の端
面である締結面に軸方向に突出している突起を有する略
皿形状の弾性材からなる座金とを備えた。As is apparent from the above, the nut with washer according to the first aspect of the present invention is such that the nut and the small-diameter end portion are rotatably coupled to the nut, and the annular end surface of the large-diameter end portion. And a washer made of a substantially dish-shaped elastic material having a projection protruding in the axial direction on the fastening surface.
【００３０】したがって、請求項１の発明によれば、締
結時には、上記座金の大径端部は、弾性変形して上記突
起が上記締結面から没入すると同時に上記突起と反対側
に***が形成される。そして、締結完了時には、上記締
結面は被締結部材に密着する。したがって、上記被締結
部材と締結面との密着を目視するだけで締結の完了を簡
単に確認することができる。Therefore, according to the invention of claim 1, at the time of fastening, the large-diameter end portion of the washer is elastically deformed so that the protrusion is recessed from the fastening surface, and at the same time, a protrusion is formed on the side opposite to the protrusion. It When the fastening is completed, the fastening surface comes into close contact with the fastened member. Therefore, the completion of the fastening can be easily confirmed only by visually checking the close contact between the fastened member and the fastening surface.
【００３１】また、大径端部の締結面で被締結部材を締
め付けることができるから、締付面積の増大を図ること
ができ、面圧を小さくできて座面の損傷を防止でき、ま
た、安定確実な締付を実現することができる。Further, since the member to be fastened can be fastened at the fastening surface at the large diameter end, the fastening area can be increased, the surface pressure can be reduced, and the seat surface can be prevented from being damaged. Stable and reliable tightening can be realized.
【００３２】さらに、上記ナットに座金の小径部が相対
回転可能に連結されているから、座金が被締結部材に着
座した後、ナットを締め付けても、座金は静止したまま
で、ナットはボルトおよび座金に対して相対的に回転す
る。したがって、座金が被締結部材の着座面を損傷する
ことがない。また、ナットと座金が連結されているか
ら、作業性が良い。Further, since the small diameter portion of the washer is rotatably connected to the nut, the washer remains stationary even if the nut is tightened after the washer is seated on the member to be fastened. Rotate relative to the washer. Therefore, the washer does not damage the seating surface of the member to be fastened. Further, since the nut and the washer are connected, workability is good.
【００３３】また、請求項２の発明の座金付ナットは、
請求項１に記載の座金付ナットにおいて、上記ナット
は、上記ナットにねじ込まれたボルトに当たって、この
ボルトが座金内に侵入するのを止める螺合停止部を備え
ている。The nut with washer of the invention of claim 2 is
In the nut with washer according to the first aspect of the present invention, the nut includes a screw stop portion that hits a bolt screwed into the nut and stops the bolt from entering the washer.
【００３４】したがって、請求項２の発明によれば、被
締結部材に締結面を対向させた上記座金付ナットと上記
被締結部材とを、所定の(例えばＵ字形状の)挟み治具の
挟み箇所に配置し、上記座金付ナットを挟んで上記被締
結部材に対向している上記挟み治具の部分に上記ボルト
を螺合すると共に、このボルトを上記ナットに螺合させ
る。すると、上記ボルトは上記ナットの雌ネジに形成さ
れている螺合停止部に当たって、上記ナットを介して座
金を上記被締結部材に押し付けるから、上記座金の弾性
変形によって没入した突起と上記挟み治具とでもって上
記被締結部材を挟み付けることができる。この請求項２
の発明も、上記突起の締結面からの没入により、締結面
の被締結部材への密着を目視することによって、締結完
了を簡単確実に確認することができる。Therefore, according to the second aspect of the present invention, the nut with washer whose fastening surface faces the fastened member and the fastened member are sandwiched by a predetermined (for example, U-shaped) sandwiching jig. The bolt is screwed into a portion of the sandwiching jig which is arranged at a position and faces the member to be fastened with the nut with washer sandwiched therebetween, and the bolt is screwed into the nut. Then, the bolt hits the screwing stop portion formed on the female screw of the nut and presses the washer against the member to be fastened via the nut, so that the protrusion recessed by the elastic deformation of the washer and the sandwiching jig. Therefore, the member to be fastened can be sandwiched. This claim 2
Also in the invention, the completion of the fastening can be easily and surely confirmed by visually observing the close contact of the fastening surface with the member to be fastened due to the depression of the projection from the fastening surface.
【図１】 この発明の座金付ナットの実施の形態を示す
図である。FIG. 1 is a view showing an embodiment of a nut with washer of the present invention.
【図２】 上記実施の形態の締結時の状態を示す図であ
る。FIG. 2 is a view showing a state at the time of fastening of the above embodiment.
【図３】 図３(Ａ)は上記実施の形態の断面図であり、
図３(Ｂ)は上記実施の形態を用いて２枚の鋼板を締結し
た状態を示す図であり、図３(Ｃ)は上記実施の形態を用
いてコンクリート壁にＬ字形鋼板を締結した状態を示す
断面図である。FIG. 3A is a cross-sectional view of the above embodiment,
FIG. 3 (B) is a diagram showing a state in which two steel plates are fastened using the above embodiment, and FIG. 3 (C) is a state in which an L-shaped steel plate is fastened to a concrete wall using the above embodiment. FIG.
【図４】 図４(Ａ)は上記実施の形態のナットのネジ穴
が止まり穴である変形例を示す断面図であり、図４(Ｂ)
は上記変形例を用いてＬ字形鋼板に吊り金具を締結した
状態を示す図である。FIG. 4 (A) is a cross-sectional view showing a modified example in which the screw hole of the nut of the above embodiment is a blind hole, and FIG.
[Fig. 6] is a view showing a state in which a hanging fitting is fastened to an L-shaped steel plate by using the above modified example.
【図５】 一般的な吊り金具の締結状態を示す図であ
る。FIG. 5 is a view showing a fastening state of a general hanging fitting.
１…ナット、２…座金、３…底面、５…テーパー筒部、
６…外鍔部、７,８,９…突起、１０…被締結部材、１１
…締結面、１２…内鍔、１３…周溝、Ｚ１,Ｚ２…座金
付ナット、１５…ボルト、１８…ボルト、２０…筒部
材、２１…Ｌ字形鋼板、２２…コンクリート壁、２３…
***部、２７…螺合停止部。1 ... nut, 2 ... washer, 3 ... bottom surface, 5 ... taper tube,
6 ... Outer collar part, 7, 8, 9 ... Protrusion, 10 ... Fastened member, 11
... Fastening surface, 12 ... Inner collar, 13 ... Circumferential groove, Z1, Z2 ... Nut with washer, 15 ... Bolt, 18 ... Bolt, 20 ... Cylindrical member, 21 ... L-shaped steel plate, 22 ... Concrete wall, 23 ...
Raised part, 27 ... Screw stop part.
Claims (2)
り、大径端部の環状の端面である締結面に軸方向に突出
している突起を有する略皿形状の弾性材からなる座金と
を備えたことを特徴とする座金付ナット。1. A nut and a small-diameter end portion are rotatably coupled to the nut, and a substantially dish-like shape having an axially projecting projection on a fastening surface which is an annular end surface of the large-diameter end portion. A nut with a washer, comprising a washer made of an elastic material.
て、 上記ナットは、 上記ナットにねじ込まれたボルトに当たって、このボル
トが座金内に侵入するのを止める螺合停止部を備えてい
ることを特徴とする座金付ナット。2. The nut with washer according to claim 1, wherein the nut is provided with a screwing stop portion that hits a bolt screwed into the nut and stops the bolt from entering the washer. A nut with washer featuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22634995A JPH0972325A (en) | 1995-09-04 | 1995-09-04 | Nut with washer having fastening torque control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22634995A JPH0972325A (en) | 1995-09-04 | 1995-09-04 | Nut with washer having fastening torque control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0972325A true JPH0972325A (en) | 1997-03-18 |
Family
ID=16843776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22634995A Pending JPH0972325A (en) | 1995-09-04 | 1995-09-04 | Nut with washer having fastening torque control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0972325A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009133421A (en) * | 2007-11-30 | 2009-06-18 | Stanley Electric Co Ltd | Blocking-up structure of box body, blocking-up method and box body |
| JP2009256886A (en) * | 2008-04-11 | 2009-11-05 | Okabe Co Ltd | Structure for fixing base plate and anchor bolt for exposed-type column base |
| JP2017067177A (en) * | 2015-09-30 | 2017-04-06 | 安男 佐藤 | Locking washer |
-
1995
- 1995-09-04 JP JP22634995A patent/JPH0972325A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009133421A (en) * | 2007-11-30 | 2009-06-18 | Stanley Electric Co Ltd | Blocking-up structure of box body, blocking-up method and box body |
| JP2009256886A (en) * | 2008-04-11 | 2009-11-05 | Okabe Co Ltd | Structure for fixing base plate and anchor bolt for exposed-type column base |
| JP2017067177A (en) * | 2015-09-30 | 2017-04-06 | 安男 佐藤 | Locking washer |
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