JPH11193808A - Piercing nut - Google Patents
Piercing nutInfo
- Publication number
- JPH11193808A JPH11193808A JP84998A JP84998A JPH11193808A JP H11193808 A JPH11193808 A JP H11193808A JP 84998 A JP84998 A JP 84998A JP 84998 A JP84998 A JP 84998A JP H11193808 A JPH11193808 A JP H11193808A
- Authority
- JP
- Japan
- Prior art keywords
- nut
- cylindrical portion
- peripheral surface
- cylindrical part
- main body
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、アルミ板のような
変形しやすい金属板にもかしめによる陥没現象を生ずる
ことなく装着可能なピアスナットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pierce nut which can be mounted on a deformable metal plate such as an aluminum plate without causing a depression phenomenon by caulking.
【０００２】[0002]
【従来の技術】例えば、自動車のボディパネルに他部材
を締結するためのナットを装着するのに、下型上にセッ
トされた金属板の上方からナット本体を打込み、金属板
の打ち抜きとかしめとを同時に行ってナット本体を金属
板に装着するようにしたピアスナットが広く使用されて
いる。そして、このピアスナットのかしめ強度を大きく
することを目的として、本件出願人は図３に示されるよ
うな、円盤状のナット主体部１１の下面中央に内筒部１
２を垂設するとともにナット主体部１１の下面周縁には
内周面を上拡がりのテーパ面とした前記内筒部１２より
も短い外筒部１３を垂設したものを先に特願昭５９−１
０９１２１号（特開昭６０−２５２８１４号）として出
願した。2. Description of the Related Art For example, when a nut for fastening other members is mounted on a body panel of an automobile, a nut body is driven from above a metal plate set on a lower die, and punching and swaging of the metal plate are performed. At the same time, piercing nuts in which a nut body is mounted on a metal plate are widely used. For the purpose of increasing the swaging strength of the pierce nut, the applicant of the present invention has disclosed an inner cylindrical portion 1 at the center of the lower surface of a disk-shaped nut main body 11 as shown in FIG.
2, the outer cylindrical portion 13 which is shorter than the inner cylindrical portion 12 with the inner peripheral surface having an upwardly expanding tapered surface is vertically provided on the lower peripheral edge of the nut main body portion 11. -1
No. 09121 (Japanese Patent Application Laid-Open No. 60-252814).
【０００３】ところが最近では、軽量化対策として自動
車のボディパネルにアルミ板を使用する場合があり、こ
のような変形しやすい金属板に前記ピアスナットを装着
すると、外筒部１３の下面の面積が小さいため打ち抜き
時やボルト締結時において外筒部１３の下面がアルミ板
１４に陥没してしまう現象を生じ、寸法精度を維持でき
ず不良品を発生させるという問題点があった。一方、こ
のような陥没現象を防止する方法として外筒部１３の厚
みを増して下面の面積を大きくすることが考えられる
が、厚みが増えると外筒部１３を内側に倒し込み加工を
するのが困難であった。また、アルミ製のナットとして
直接溶接する方法や、鉄ナットをアルミ製ケースで覆う
とともに該ケースをアルミ板にスポット溶接して鉄ナッ
トを固定する方法も考えられるが、いずれも作業手順の
煩雑化とコストアップを招き実用化には向かないもので
あった。However, recently, there is a case where an aluminum plate is used for a body panel of an automobile as a measure for weight reduction. When the pierce nut is mounted on such a deformable metal plate, the area of the lower surface of the outer cylindrical portion 13 is reduced. Because of its small size, the lower surface of the outer cylindrical portion 13 collapses into the aluminum plate 14 at the time of punching or bolt fastening, and the dimensional accuracy cannot be maintained, resulting in a defective product. On the other hand, as a method of preventing such a depression phenomenon, it is conceivable to increase the thickness of the outer cylinder portion 13 to increase the area of the lower surface. However, when the thickness increases, the outer cylinder portion 13 is turned inward to perform processing. Was difficult. In addition, a method of directly welding as an aluminum nut or a method of covering an iron nut with an aluminum case and fixing the iron nut by spot welding the case to an aluminum plate can be considered. It was not suitable for practical use due to increased costs.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上記のような
従来の問題点を解決して、アルミ板のような変形しやす
い金属板にも陥没現象を生ずることなく確実に装着する
ことができるピアスナットを提供することを目的として
完成されたものである。SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems and can be securely mounted on a deformable metal plate such as an aluminum plate without causing a depression phenomenon. It has been completed for the purpose of providing a pierced nut.
【０００５】[0005]
【課題を解決するための手段】上記の課題を解決するた
めになされた本発明のピアスナットは、ナット主体部の
下面中央にねじ孔付きの内筒部を垂設するとともにナッ
ト主体部の下面周縁には前記内筒部よりも短い外筒部を
垂設したピアスナットにおいて、前記内筒部の外周面を
裾拡がりのテーパ面とするとともに、外筒部の内周面を
ストレート形状としたことを特徴とするものである。A pierce nut according to the present invention, which has been made to solve the above-mentioned problems, has an inner cylindrical portion having a screw hole provided vertically at the center of the lower surface of the nut main portion, and a lower surface of the nut main portion. In a pierced nut having an outer cylinder portion that is shorter than the inner cylinder portion on the periphery, the outer peripheral surface of the inner cylinder portion has a tapered surface that expands the hem, and the inner peripheral surface of the outer cylinder portion has a straight shape. It is characterized by the following.
【０００６】[0006]
【発明の実施の形態】以下に、図面を参照しつつ本発明
の好ましい実施の形態を示す。図中１は、円盤状のナッ
ト主体部、２はその下面中央に垂設されたねじ孔３付き
の内筒部、４はナット主体部１の下面周縁に垂設された
外筒部で、該外筒部４は内筒部２よりも短く形成されて
おり、以上の構成は従来のピアスナットと基本的に同じ
である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In the figure, 1 is a disk-shaped nut main body portion, 2 is an inner cylinder portion with a screw hole 3 vertically provided at the center of the lower surface thereof, and 4 is an outer cylindrical portion vertically provided on the lower surface periphery of the nut main body portion 1. The outer cylinder 4 is formed shorter than the inner cylinder 2, and the above configuration is basically the same as a conventional pierce nut.
【０００７】本発明においては前記内筒部２の外周面を
裾拡がりのテーパ面５とするとともに、外筒部４の内周
面をストレート形状とした点に特徴的構成を有してい
る。そして、このような構成とすることによって変形し
やすい金属板にこのピアスナットを装着したとしても、
外筒部４の内周面をストレート形状としてその下面の面
積が大きくなっているため、従来のように打ち抜き時や
ボルト締結時において外筒部４の下面が被締結板内に大
きく陥没してしまう現象を防止するのである。また、内
筒部２の裾拡がりのテーパ面５により所定のかしめ強度
も確保するのである。The present invention has a characteristic configuration in that the outer peripheral surface of the inner cylindrical portion 2 is a tapered surface 5 with a skirt extending, and the inner peripheral surface of the outer cylindrical portion 4 is straight. And even if this pierce nut is attached to a metal plate that is easily deformed by adopting such a configuration,
Since the inner peripheral surface of the outer cylinder portion 4 has a straight shape and the area of the lower surface is large, the lower surface of the outer cylinder portion 4 is greatly depressed into the plate to be fastened at the time of punching or bolt fastening as in the related art. This prevents the phenomenon of getting lost. Also, a predetermined caulking strength is ensured by the tapered surface 5 of the skirt of the inner cylindrical portion 2.
【０００８】前記外筒部４の肉厚は、締結時において被
締結部材１０内への陥没量が少なくなるよう十分大きな
ものとされており、このような外筒部４の肉厚として
は、例えば従来のものに比べて外筒部４の底面積が約３
倍以上程度となるように設計することが好ましい。ま
た、内筒部２の裾拡がりのテーパ面５は軸線に対して約
１５度程度の角度をなすよう設計しておくことが好まし
い。なお、被締結部材１０はアルミ板のような変形しや
すいものや、その他従来の鋼板のうち厚みが薄く変形し
やすいもの等が対象となる。The thickness of the outer cylindrical portion 4 is set to be sufficiently large so that the amount of depression into the member 10 to be fastened at the time of fastening is small. For example, the outer cylinder portion 4 has a bottom area of about 3
It is preferable that the design is made about twice or more. Further, it is preferable that the tapered surface 5 of the skirt portion of the inner cylindrical portion 2 is designed so as to form an angle of about 15 degrees with respect to the axis. The member 10 to be fastened may be an easily deformable member such as an aluminum plate, or any other conventional steel plate having a small thickness and being easily deformed.
【０００９】なお、前記外筒部４の内周面にはボルト締
結時における空転をなくして回転トルクの増大を図るよ
う適宜の間隔を隔てて複数個の凹凸状のセレーション６
を刻設しておくことが好ましく、同様の目的で外筒部４
の下面や内筒部２と外筒部４との間に形成された環状溝
にも適当数のセレーション（図示せず）を刻設しておく
ことが好ましい。A plurality of uneven serrations 6 are provided on the inner peripheral surface of the outer cylindrical portion 4 at appropriate intervals so as to eliminate idling at the time of bolt fastening and increase rotational torque.
Is preferably engraved, and the outer cylinder 4
It is preferable that an appropriate number of serrations (not shown) are also formed in the lower surface of the base member and in an annular groove formed between the inner cylindrical portion 2 and the outer cylindrical portion 4.
【００１０】以上のように構成されたものは、常法に従
いピアスナットを被締結部材１０上にセットして打込工
具で上方から打込みを行えば、被締結部材１０はナット
主体部１の下面中央に垂設された内筒部２により孔が打
ち抜かれるとともに、その周縁部の金属は内筒部２と外
筒部４との間に形成された環状溝内に変形しつつ圧入さ
れて両者の締結が行われる点は従来と同じである。そし
て、本発明においては内筒部２の外周面が裾拡がりのテ
ーパ面５とされているので非常に大きいクリンチ力が得
られることとなる。また、外筒部４の内周面をストレー
ト形状とし、また外筒部４の肉厚を締結時において被締
結部材１０内への陥没量がすくなくなるよう十分大きな
ものとされているので、打ち抜き時やボルト締結時にお
いて外筒部４の下面が変形しやすい被締結部材１０内に
大きく陥没することがなく、設計とおりにピアスナット
が装着されるとともに、この締結状態を長期間にわたっ
て維持できることとなる。この結果、変形しやすい被締
結部材１０であるにもかかわらず、なんら変形を生ずる
ことなく寸法精度の優れた製品が得られることとなる。With the above-described structure, the pierce nut is set on the member to be fastened 10 according to a conventional method and driven from above with a driving tool. A hole is punched out by the inner cylinder part 2 vertically provided at the center, and the metal of the peripheral part is pressed into the annular groove formed between the inner cylinder part 2 and the outer cylinder part 4 while being deformed and pressed. Is performed in the same manner as before. Further, in the present invention, since the outer peripheral surface of the inner cylindrical portion 2 is formed as a tapered surface 5 having a skirt, a very large clinch force can be obtained. Also, since the inner peripheral surface of the outer cylindrical portion 4 is formed in a straight shape and the thickness of the outer cylindrical portion 4 is made large enough so that the amount of depression into the member to be fastened 10 during fastening is small, punching is performed. The lower surface of the outer cylindrical portion 4 is not largely depressed in the deformable member 10 when the bolt is fastened or when the bolt is fastened, the pierce nut is mounted as designed, and the fastening state can be maintained for a long time. Become. As a result, a product with excellent dimensional accuracy can be obtained without any deformation, even though the fastening member 10 is easily deformed.
【００１１】[0011]
【発明の効果】以上の説明からも明らかなように、本発
明はアルミ板のような変形しやすい金属板にも陥没現象
を生ずることなく確実に装着することができるものであ
り、寸法精度に優れた製品を得ることができるものであ
る。また、従来と同様の打込工具を用いることができ締
結作業も簡単で、かつ生産コストも廉価なものになると
いう利点もある。よって本発明は従来の問題点を一掃し
たピアスナットとして、産業の発展に寄与するところは
極めて大である。As is apparent from the above description, the present invention can be securely mounted on a deformable metal plate such as an aluminum plate without causing a depression phenomenon, and has a high dimensional accuracy. An excellent product can be obtained. Further, there is an advantage that a driving tool similar to the conventional one can be used, the fastening operation is simple, and the production cost is low. Therefore, the present invention has an extremely large contribution to industrial development as a pierced nut that has eliminated the conventional problems.
【図１】本発明の実施の形態を示す断面図である。FIG. 1 is a sectional view showing an embodiment of the present invention.
【図２】本発明のピアスナットをFIG. 2 shows a piercing nut of the present invention.
【図３】従来例を示す断面図である。FIG. 3 is a sectional view showing a conventional example.
１ ナット主体部 ２ 内筒部 ３ ねじ孔 ４ 外筒部 ５ テーパ面 ６ セレーション 10 被締結部材 DESCRIPTION OF SYMBOLS 1 Nut main part 2 Inner cylinder part 3 Screw hole 4 Outer cylinder part 5 Tapered surface 6 Serration 10 Member to be fastened
───────────────────────────────────────────────────── フロントページの続き (72)発明者 斎木 誠 愛知県丹羽郡大口町高橋１丁目８番地 株 式会社青山製作所大口工場内 (72)発明者 森島 健一 愛知県丹羽郡大口町高橋１丁目８番地 株 式会社青山製作所大口工場内 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Makoto Saiki 1-8-8 Takahashi, Oguchi-machi, Niwa-gun, Aichi Prefecture Inside the Oguchi Plant of Aoyama Seisakusho Co., Ltd. (72) Inventor Kenichi Morishima 1-8-8 Takahashi, Oguchi-machi, Niwa-gun, Aichi Prefecture Address Co., Ltd. Aoyama Works Oguchi Plant
Claims (3)
(3) 付きの内筒部(2)を垂設するとともにナット主体部
(1) の下面周縁には前記内筒部(2) よりも短い外筒部
(4) を垂設したピアスナットにおいて、前記内筒部(2)
の外周面を裾拡がりのテーパ面(5) とするとともに、外
筒部(4) の内周面をストレート形状としたことを特徴と
するピアスナット。A screw hole is provided in the center of the lower surface of the nut main body (1).
(3) Hang the inner cylinder (2) with
The outer cylindrical portion shorter than the inner cylindrical portion (2)
In the pierced nut with the (4) suspended, the inner cylindrical portion (2)
A pierce nut, characterized in that the outer peripheral surface of the pierced portion has a tapered surface (5) that expands the hem, and the inner peripheral surface of the outer cylindrical portion (4) has a straight shape.
締結部材(10)内への陥没量が少なくなるよう十分大きな
ものとされている請求項１に記載のピアスナット。2. The pierce nut according to claim 1, wherein the thickness of the outer cylindrical portion (4) is large enough to reduce the amount of depression into the member (10) during fastening.
が刻設されている請求項１または２に記載のピアスナッ
ト。3. A serration (6) on the inner peripheral surface of the outer cylinder (4).
The pierce nut according to claim 1, wherein the pierce nut is engraved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP84998A JPH11193808A (en) | 1998-01-06 | 1998-01-06 | Piercing nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP84998A JPH11193808A (en) | 1998-01-06 | 1998-01-06 | Piercing nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11193808A true JPH11193808A (en) | 1999-07-21 |
Family
ID=11485102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP84998A Pending JPH11193808A (en) | 1998-01-06 | 1998-01-06 | Piercing nut |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11193808A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002086226A (en) * | 2000-09-13 | 2002-03-26 | Honda Motor Co Ltd | Pierce die for driving in pierce nut |
| JP2002139012A (en) * | 2000-10-31 | 2002-05-17 | Horikoshi:Kk | Height adjusting nut and structure for mounting height adjusting nut on bottom plate |
| US6543979B2 (en) | 2000-04-18 | 2003-04-08 | Honda Giken Kogyo Kabushiki Kaisha | Clinch nut assembly and method of producing clinch nut |
| JP2009539042A (en) * | 2006-06-01 | 2009-11-12 | プロフィル フェルビンドゥングステヒニック ゲーエムベーハー ウント コンパニー カーゲー | Rivet nut or rivet bolt, and combination of rivet nut or rivet bolt and sheet metal part |
| WO2014034211A1 (en) * | 2012-08-27 | 2014-03-06 | 株式会社青山製作所 | Pierce nut for high-strength steel sheet |
| JP2014190880A (en) * | 2013-03-27 | 2014-10-06 | Ntn Corp | Wheel bearing device with rotational speed detecting device |
| WO2022004201A1 (en) * | 2020-06-30 | 2022-01-06 | Aoyama Seisakusho Co., Ltd. | Piercing nut and method for fixing the same to inner surface of mating member having closed sectional shape |
-
1998
- 1998-01-06 JP JP84998A patent/JPH11193808A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543979B2 (en) | 2000-04-18 | 2003-04-08 | Honda Giken Kogyo Kabushiki Kaisha | Clinch nut assembly and method of producing clinch nut |
| DE10119063B4 (en) * | 2000-04-18 | 2008-04-17 | Honda Giken Kogyo K.K. | Nietmutterbaueinheit |
| JP2002086226A (en) * | 2000-09-13 | 2002-03-26 | Honda Motor Co Ltd | Pierce die for driving in pierce nut |
| JP4481462B2 (en) * | 2000-09-13 | 2010-06-16 | 本田技研工業株式会社 | Piercing die for piercing nut driving |
| JP2002139012A (en) * | 2000-10-31 | 2002-05-17 | Horikoshi:Kk | Height adjusting nut and structure for mounting height adjusting nut on bottom plate |
| JP2009539042A (en) * | 2006-06-01 | 2009-11-12 | プロフィル フェルビンドゥングステヒニック ゲーエムベーハー ウント コンパニー カーゲー | Rivet nut or rivet bolt, and combination of rivet nut or rivet bolt and sheet metal part |
| JP2012207800A (en) * | 2006-06-01 | 2012-10-25 | Profil Verbindungstechnik Gmbh & Co Kg | Rivet bolt |
| JP2014043883A (en) * | 2012-08-27 | 2014-03-13 | Aoyama Seisakusho Co Ltd | Piercing nut for high strength steel plate |
| WO2014034211A1 (en) * | 2012-08-27 | 2014-03-06 | 株式会社青山製作所 | Pierce nut for high-strength steel sheet |
| CN104024662A (en) * | 2012-08-27 | 2014-09-03 | 株式会社青山制作所 | Pierce nut for high-strength steel sheet |
| EP2787221A4 (en) * | 2012-08-27 | 2015-09-09 | Aoyama Seisakusho | Pierce nut for high-strength steel sheet |
| US9328762B2 (en) | 2012-08-27 | 2016-05-03 | Aoyama Seisakusho Co., Ltd. | Pierce nut for high-strength steel plate |
| JP2014190880A (en) * | 2013-03-27 | 2014-10-06 | Ntn Corp | Wheel bearing device with rotational speed detecting device |
| WO2022004201A1 (en) * | 2020-06-30 | 2022-01-06 | Aoyama Seisakusho Co., Ltd. | Piercing nut and method for fixing the same to inner surface of mating member having closed sectional shape |
| CN114402143A (en) * | 2020-06-30 | 2022-04-26 | 株式会社青山制作所 | Pierce nut and method for fixing pierce nut to inner surface of target member having closed cross-sectional shape |
| JP2022542650A (en) * | 2020-06-30 | 2022-10-06 | 株式会社青山製作所 | Pierce nut and fixing method of the pierce nut to the inner surface of the mating member with a closed cross-sectional shape |
| US11885366B2 (en) | 2020-06-30 | 2024-01-30 | Aoyama Seisakusho Co., Ltd. | Piercing nut and method for fixing the same to inner surface of mating member having closed sectional shape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040123 |