JPS62113907A - Double nut - Google Patents
Double nutInfo
- Publication number
- JPS62113907A JPS62113907A JP25418485A JP25418485A JPS62113907A JP S62113907 A JPS62113907 A JP S62113907A JP 25418485 A JP25418485 A JP 25418485A JP 25418485 A JP25418485 A JP 25418485A JP S62113907 A JPS62113907 A JP S62113907A
- Authority
- JP
- Japan
- Prior art keywords
- nut
- protrusion
- bolt
- truncated conical
- conical surface
- 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
- Vehicle Body Suspensions (AREA)
- Transmission Devices (AREA)
- Massaging Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、緩み止め機能を備えたダブルナツトに関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a double nut with a locking function.
現在、緩み止め機能を備えた種々のダブルナツトが知ら
れているが、十分な緩み止め機能を有するものは製作が
難しいし、製作が容易なものは十分な緩み止め機能を有
しないという欠点があった。Currently, various types of double nuts with a locking function are known, but those with a sufficient locking function are difficult to manufacture, and those that are easy to manufacture do not have a sufficient locking function. Ta.
（発明の目的）
本発明は、以上の点に鑑み、製作が容易でかつ十分な緩
み止め機能を備えたダブルナツトを提供することを目的
とする。(Object of the Invention) In view of the above points, an object of the present invention is to provide a double nut that is easy to manufacture and has a sufficient locking function.
この目的は、凸形の第１ナツトと、この第１ナツトをボ
ルトに対し締付けるためのリング状の第２ナツトからな
り、前記第１ナツトはフランジ部とこのフランジ部から
突出している突出部からなり、このフランジ部および突
出部を肖通してボルトが挿通されるボルト孔が形成され
、このポルｌ−孔にはボルトのねじ山に螺合する雌ねじ
が形成され、前記突出部の外周面は截頭円錐台面をなし
、その円錐台面に雄ねじが形成され、面記第１ナツトに
は、その半径方向に縮むことができるように割込が形成
され、前記第２ナツトは、その中央部が前記第１ナツト
の突出部に対応させてくり抜かれ、そのくり抜いた対応
截頭円錐台面に前記突出部外周面の雄ねじに螺合する雌
ねじが形成されていることによって達成される。This purpose consists of a convex first nut and a ring-shaped second nut for tightening the first nut to the bolt, and the first nut is connected to a flange portion and a protruding portion protruding from the flange portion. A bolt hole through which a bolt is inserted is formed through the flange portion and the protrusion, and a female thread is formed in this hole to be screwed into the thread of the bolt, and the outer circumferential surface of the protrusion is The first nut has a truncated conical surface, a male thread is formed on the truncated conical surface, the first nut has an indentation so as to be able to contract in the radial direction, and the second nut has a central portion thereof. This is achieved by hollowing out the first nut to correspond to the protrusion, and forming a female thread on the hollowed-out corresponding truncated conical surface to be screwed into the male thread on the outer peripheral surface of the protrusion.
以下、図面を参照して本発明の一実施例について説明す
る。An embodiment of the present invention will be described below with reference to the drawings.
第１図乃至第５図において、本発明のダブルナツトＭは
凸形の第１ナツト１とリング状の第２ナツト２からなる
。前記第１ナツト１はフランジ部３とこの７ランジ部３
から突出する突出部４からなり、その中央部にはボルト
５を挿通せしめるボルト孔が形成され、このボルト孔に
ボルト５の雄ねじ５ａに螺合する雌ねじ６ａが形成され
ている。1 to 5, the double nut M of the present invention consists of a convex first nut 1 and a ring-shaped second nut 2. As shown in FIGS. The first nut 1 has a flange portion 3 and a 7 flange portion 3.
A bolt hole into which a bolt 5 is inserted is formed in the center thereof, and a female thread 6a is formed in this bolt hole to be screwed into a male thread 5a of the bolt 5.
前記突出部４の外周面は截頭円錐台面をなし、その円錐
台面には細いねじ４ａが形成されている。The outer peripheral surface of the protrusion 4 has a truncated conical surface, and a thin thread 4a is formed on the truncated conical surface.
また、第１ナツト１には、その軸方向に割込Ｓ１が形成
され、この割込Ｓ１を形成することによって、第１ナツ
ト１が第２ナツト２によって締付けられたときにその径
が縮少し、前記雌ねじ６ａがボルト５の雄ねじ５ａを抱
き込むようになっている。Furthermore, the first nut 1 is formed with a cut S1 in its axial direction, and by forming this cut S1, the diameter of the first nut 1 is reduced when the second nut 2 is tightened. , the female thread 6a embraces the male thread 5a of the bolt 5.
前記リング状の第２ナツト２は、その中央部が第１ナツ
ト１の截頭円錐台面に対応した截頭円錐台面状にくり抜
かれ、その内面には前記第１ナツトの突出部外周面の雄
ねじ４ａに螺合する細い雌ねじ２ａが形成されている。The ring-shaped second nut 2 has a central portion hollowed out in the shape of a truncated conical surface corresponding to the truncated conical surface of the first nut 1, and has a male thread formed on the outer peripheral surface of the protrusion of the first nut on its inner surface. A thin internal thread 2a is formed to be screwed into the thread 4a.
このダブルナツトＭをボルト５に取付けるとぎには、第
１ナツト１の突出部４に第２ナツト２を軽く螺合させて
一体とした後に、第１ナツト１をボルト５に螺合せしめ
、第１ナツトを被緊締部材７に十分に締付ける。その後
、第２ナツト２を回転する。すると、第１ナツト１はそ
の径が縮む方向に第２ナツト２によって絞られて、第１
ナツト１の雌ねじ６ａがボルト５の雄ねじ５ａに喰い込
む。これとともに、前記第２ナツト２の底面２ｂが第１
ナツトの７ランジ部３の上面３ａと強く摩擦接触する。To attach this double nut M to the bolt 5, the second nut 2 is lightly screwed onto the protrusion 4 of the first nut 1 to form an integral body, and then the first nut 1 is screwed onto the bolt 5, and the first nut 1 is screwed onto the bolt 5. Tighten the nut sufficiently to the member 7 to be tightened. After that, the second nut 2 is rotated. Then, the first nut 1 is squeezed by the second nut 2 in the direction in which its diameter is reduced, and the first nut 1 is
The female thread 6a of the nut 1 bites into the male thread 5a of the bolt 5. At the same time, the bottom surface 2b of the second nut 2
It makes strong frictional contact with the upper surface 3a of the 7-flange portion 3 of the nut.
なお、上述の実施例では、第１ナツト１の外周面の雄ね
じ４ａとこれに螺合する第２ナツト２の雌ねじ２ａを右
ねじとしたが、これらは左ねじでも第１ナツト１の外周
面を内側に絞り込むことはできる。また、第１ナツト１
の前記割込Ｓ１は第１ナツト１の全高に面って形成され
ているが、第６図に示すように、スリットＳ２は突出部
４の範囲のみに形成してもよく、そのスリットＳ２の数
は単数でも、適宜の間隔を配して複数個設けてもよい。In the above embodiment, the male thread 4a on the outer circumferential surface of the first nut 1 and the female thread 2a of the second nut 2 screwed thereto are right-handed threads, but even if these are left-handed threads, the outer circumferential surface of the first nut 1 It is possible to narrow it down to the inside. Also, the first nut 1
The cut-in S1 is formed facing the entire height of the first nut 1, but as shown in FIG. 6, the slit S2 may be formed only in the range of the protrusion 4, The number may be singular or a plurality may be provided at appropriate intervals.
更に、第７図に示すように両ナツトの細い螺合ねじ４ａ
および２ａを突出部３および第２ナツト２の全高の一部
に形成し、残りを傾斜面４ｂ。Furthermore, as shown in FIG. 7, the thin threaded screws 4a of both nuts are
and 2a are formed on a part of the total height of the protrusion 3 and the second nut 2, and the rest is an inclined surface 4b.
２Ｃとして、この部分に摩擦力を作用させてもよい。As 2C, a frictional force may be applied to this portion.
以上説明したＪ：うに、本発明によれば、特に製作上の
困難がなく、しかも緩み止め効果の十分なものとするこ
とができる。According to the present invention, there is no particular difficulty in manufacturing the J: sea urchin explained above, and it can have a sufficient loosening prevention effect.
第１図は、第１ナツトと第２ナツトの螺合状態説明用の
断面図、第２図は第１ナツトの正面図、第３図は第１ナ
ツトの平面図、第４図は第２ナツトの正面図、第５図は
第２ナツトの平面図、第６図は第１ナツトの他の実施例
を示す正面図、第７図は更に本発明の他の実施例を示す
断面図である。
１・・・第１ナツト、２・・・第２ナツト、３・・・突
出部。Fig. 1 is a sectional view for explaining the screwed state of the first nut and the second nut, Fig. 2 is a front view of the first nut, Fig. 3 is a plan view of the first nut, and Fig. 4 is a cross-sectional view of the second nut. FIG. 5 is a front view of the nut, FIG. 5 is a plan view of the second nut, FIG. 6 is a front view showing another embodiment of the first nut, and FIG. 7 is a sectional view showing another embodiment of the present invention. be. 1...First nut, 2...Second nut, 3...Protrusion part.
Claims (1)
付けるためのリング状の第２ナットからなり、前記第１
ナットはフランジ部とこのフランジ部から突出している
突出部からなり、このフランジ部および突出部を貫通し
てボルトが挿通されるボルト孔が形成され、このボルト
孔にはボルトのねじ山に螺合する雌ねじが形成され、前
記突出部の外周面は截頭円錐台面をなし、その円錐台面
に雄ねじが形成され、前記第１ナットには、その半径方
向に縮むことができるように割込が形成され、前記第２
ナットは、その中央部が前記第１ナットの突出部に対応
させてくり抜かれ、そのくり抜いた対応截頭円錐台面に
前記突出部外周面の雄ねじに螺合する雌ねじが形成され
ていることを特徴とするダブルナット。It consists of a convex first nut and a ring-shaped second nut for tightening the first nut to the bolt, and the first nut
The nut consists of a flange part and a protrusion part that protrudes from the flange part, and a bolt hole is formed through the flange part and the protrusion part into which a bolt is inserted. a female thread is formed in the first nut, an outer circumferential surface of the protrusion has a truncated conical surface, a male thread is formed in the truncated conical surface, and a cut is formed in the first nut so that it can be compressed in a radial direction. and said second
The nut is characterized in that its center portion is hollowed out to correspond to the protrusion of the first nut, and a female thread is formed on the hollowed out corresponding truncated conical surface to be screwed into the male thread on the outer peripheral surface of the protrusion. Double nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25418485A JPS62113907A (en) | 1985-11-13 | 1985-11-13 | Double nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25418485A JPS62113907A (en) | 1985-11-13 | 1985-11-13 | Double nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62113907A true JPS62113907A (en) | 1987-05-25 |
Family
ID=17261396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25418485A Pending JPS62113907A (en) | 1985-11-13 | 1985-11-13 | Double nut |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62113907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004113744A1 (en) * | 2003-06-18 | 2004-12-29 | Japan Mechanical Engineering Co.,Ltd. | Loosening prevention structure for bolt and nut |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5520776B2 (en) * | 1971-09-06 | 1980-06-05 |
-
1985
- 1985-11-13 JP JP25418485A patent/JPS62113907A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5520776B2 (en) * | 1971-09-06 | 1980-06-05 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004113744A1 (en) * | 2003-06-18 | 2004-12-29 | Japan Mechanical Engineering Co.,Ltd. | Loosening prevention structure for bolt and nut |
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