JP2001280325A - Nut for being embedded into concrete - Google Patents
Nut for being embedded into concreteInfo
- Publication number
- JP2001280325A JP2001280325A JP2000091719A JP2000091719A JP2001280325A JP 2001280325 A JP2001280325 A JP 2001280325A JP 2000091719 A JP2000091719 A JP 2000091719A JP 2000091719 A JP2000091719 A JP 2000091719A JP 2001280325 A JP2001280325 A JP 2001280325A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- nut
- bolt
- screwed
- concrete
- 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
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
Description
【０００１】[0001]
【発明が属する技術分野】本発明は、コンクリート二次
製品やコンクリートポール等、コンクリートに埋め込ま
れる埋込みナットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embedded nut embedded in concrete, such as a secondary concrete product or a concrete pole.
【０００２】[0002]
【従来技術】この種の埋込みナットは、例えばコンクリ
ートポールの場合、足掛けボルトを捩込んで取付るため
に用いられる。図１は、従来のこの種埋込みナットの一
例を示すもので、金属板を絞り加工してネジ部１を形成
し、ボルトが捩込まれるネジ孔が端部を閉じた盲孔状を
なしている。2. Description of the Related Art An embedded nut of this type is used, for example, in the case of a concrete pole to screw and attach a footrest bolt. FIG. 1 shows an example of this type of conventional embedded nut, in which a metal plate is drawn to form a screw portion 1, and a screw hole into which a bolt is screwed has a blind hole shape with an end closed. I have.
【０００３】[0003]
【発明が解決しようとする課題】図１に示すような埋込
みナットは、金属板を絞り加工して得られるため製作コ
ストが低く抑えられ、またネジ孔が盲状孔をなすため、
ナット内にノロと称されるスラリー状の生コンクリート
が入り込むことがない、などの利点を有するが、ボルト
を捩込むとき、トルクが大きくなると、ナットが連れ回
りし、ボルトを捩込むことができることがあった。また
引抜き強度も弱く、捩込んだボルトに引張荷重を掛ける
と、抜け出すおそれがある。The embedding nut as shown in FIG. 1 is obtained by drawing a metal plate, so that the manufacturing cost can be kept low. Further, since the screw holes are blind holes,
It has the advantage that slurry-like fresh concrete called slag does not enter into the nut.However, when the bolt is screwed in, if the torque increases, the nut rotates with it and the bolt can be screwed in. was there. Also, the pull-out strength is weak, and if a tensile load is applied to the screwed-in bolt, the bolt may come off.
【０００４】上述の埋込みナットはまた、コンクリート
打設時に開口部が型枠で塞がれるが、型枠との隙間より
ノロが入り込むおそれがある。[0004] The above-mentioned embedding nut is also closed with a mold at the time of placing concrete, but there is a risk that slag may enter through a gap between the mold and the mold.
【０００５】本発明の第１の目的は、ボルトを捩込むと
き、大きなトルクが掛かっても連れ回りすることがない
埋込みナットを提供しようとするものであり、第２の目
的は、引抜き強度を高めた埋込みナットを提供しようと
するものである。更に第３の目的は、型枠との間の隙間
よりノロが入り込むことがないような埋込みナットを提
供しようとするものである。A first object of the present invention is to provide an embedded nut which does not rotate even when a large torque is applied when screwing a bolt, and a second object is to provide a pull-out strength. It is intended to provide an increased embedded nut. A third object of the present invention is to provide an embedding nut which does not allow slag to enter through a gap between the mold and the mold.
【０００６】[0006]
【課題の解決手段】請求項１記載の発明は、第１の目的
を達成する埋込みナットに関するもので、。The invention according to claim 1 relates to an embedded nut which achieves the first object.
【０００７】本発明の埋込みナットによると、回り止め
手段により回り止めされ、ボルト捩込み時に大きなトル
クが掛かっても連れ回りするのを防ぐことができる。According to the embedding nut of the present invention, the nut is prevented from rotating by the rotation preventing means, and can be prevented from rotating together even when a large torque is applied when the bolt is screwed.
【０００８】本発明でいう回り止め手段とは、例えば外
側の一部に直径方向に突出する爪、周方向に鍔状に突設
され、一部を切り欠いたり、折り曲げたりするか、或い
は鍔を矩形状、楕円形状にし、非円形状にしたものを例
示することができる。The detent means referred to in the present invention is, for example, a claw projecting diametrically on a part of the outside, protruding in a flange shape in the circumferential direction, and being partially cut or bent, or May be rectangular or elliptical and non-circular.
【０００９】請求項２記載の発明は、第２の目的を達成
する埋込みナットに関するもので、金属板を絞り加工し
てネジ部を形成し、ボルトが捩込まれるネジ孔が端部を
閉じた盲孔状をなす埋込みナットにおいて、外側適所に
フランジ状の鍔を突設したことを特徴とする。A second aspect of the present invention relates to an embedded nut which achieves a second object, wherein a threaded portion is formed by drawing a metal plate, and a screw hole into which a bolt is screwed has an end portion closed. A blind hole-shaped embedding nut is characterized in that a flange-shaped flange is protruded at an appropriate place on the outside.
【００１０】本発明の埋込みナットによると、鍔が抜け
止め機能を有する。[0010] According to the embedding nut of the present invention, the collar has a retaining function.
【００１１】なお、上述の請求項１又は２記載の発明に
おける回り止め手段又はフランジ状の鍔は、ネジ部と一
体形成されてもよいし、ネジ部とは別体で、ネジ部に溶
着等により固定するようにしてもよい。The rotation preventing means or the flange-shaped flange according to the first or second aspect of the present invention may be formed integrally with the screw portion, or may be separated from the screw portion and welded to the screw portion. May be fixed.
【００１２】請求項３記載の発明は、第１及び第２の目
的を達成する埋込みナットに関するもので、請求項２記
載の発明における鍔が回り止め機能を有することを特徴
とする。[0012] The invention according to claim 3 relates to an embedding nut which achieves the first and second objects, wherein the collar according to the invention according to claim 2 has a detent function.
【００１３】鍔に回り止め機能を持たすには、鍔を例え
ば矩形、楕円形状にしたり、鍔の一部を切り欠いたり、
折り曲げて非円形に形成するとよい。In order to provide the collar with a detent function, the collar may be formed in a rectangular or elliptical shape, for example, a part of the collar may be cut out,
It may be bent to form a non-circular shape.
【００１４】請求項４記載の発明は、請求項１ないし３
記載の発明における埋込みナットの回り止め手段又は鍔
を端部に設けたこと、すなわち盲孔状をなすネジ孔の底
部分に回り止め手段又は鍔を一体に設けたことを特徴と
する。The invention described in claim 4 is the first to third aspects of the present invention.
The invention is characterized in that the rotation preventing means or the flange of the embedding nut is provided at the end, that is, the rotation preventing means or the flange is integrally provided at the bottom of the blind hole-shaped screw hole.
【００１５】本発明によると、回り止め手段又は鍔を絞
り加工時に形成することができる。According to the present invention, the detent means or the collar can be formed at the time of drawing.
【００１６】請求項５記載の発明は、第３の目的を達成
する埋込みナットに関するもので、請求項１ないし４記
載の発明において、開口部にフランジを突設したことを
特徴とする。According to a fifth aspect of the present invention, there is provided an embedding nut which achieves the third object, and in the first to fourth aspects of the present invention, a flange is projected from the opening.
【００１７】本発明によると、フランジを設けることに
よりフランジと型枠との接触面積が増大し、両者間に若
干の隙間があってもノロが入り込みにくくなる。According to the present invention, by providing the flange, the contact area between the flange and the mold is increased, and even if there is a slight gap between the two, it becomes difficult for the slag to enter.
【００１８】[0018]
【発明の実施の形態】図２に示す埋込みナットは、金属
板を絞り加工してネジ部１１を形成し、図示省略したボ
ルトが捩込まれるネジ孔１２が盲孔状をなして端部の底
部と一体形成され、抜け止め機能を果たすフランジ状の
鍔１３の両側部を上向きに対称形に折曲げて折曲部１３
ａにより回り止め手段を構成してなるもので、ネジ孔１
２の開口部にはフランジ１５が一体形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The embedding nut shown in FIG. 2 has a screw portion 11 formed by drawing a metal plate, and a screw hole 12 into which a bolt (not shown) is screwed is formed in a blind hole shape. The both sides of the flange-shaped flange 13 integrally formed with the bottom and functioning as a stopper are bent upward and symmetrically to form a bent portion 13.
a which constitutes a detent means.
A flange 15 is formed integrally with the opening 2.
【００１９】本実施形態の埋込みナットによると、鍔１
３やフランジ１５がネジ孔１２と共に絞り加工によって
一体形成でき、安価に製造できること、ネジ孔１２は盲
孔状をなして開口部にフランジ１５が形成され、図３に
示すように型枠１７との接触面積を広く取ることができ
るため、ノロと称されるスラリー状の生コンクリートが
入り込むのを防止できること、鍔１３は折曲部１３ａに
より回り止めされ、ボルト捩込み時に大きなトルクが掛
かっても連れ回りすることがないこと、鍔１３により引
抜き強度が増し、ナットの抜け出しを防ぐことができる
こと等の効果を奏する。According to the embedding nut of this embodiment, the collar 1
3 and the flange 15 can be integrally formed together with the screw hole 12 by drawing and can be manufactured at low cost. The screw hole 12 has a blind hole shape and the flange 15 is formed in the opening, and as shown in FIG. The contact area can be made large, so that it is possible to prevent slurry-like ready-mixed concrete called slag from entering, and the flange 13 is prevented from turning by the bent portion 13a, and even if a large torque is applied when the bolt is screwed. The following effects are obtained: no entrainment occurs, the pull-out strength is increased by the flange 13, and the nut can be prevented from coming off.
【００２０】[0020]
【発明の効果】請求項１記載の発明の埋込みナットによ
ると、ボルト捩込み時に大きなトルクが掛かるようなこ
とがあっても、ナットの連れ回りを防ぐことができる。According to the embedding nut according to the first aspect of the present invention, even if a large torque is applied when the bolt is screwed, the nut can be prevented from rotating together.
【００２１】請求項２記載の発明の埋込みナットによる
と、引抜き強度が増し、捩込んだボルトに引張荷重が加
わったときの抜け出しを防ぐことができる。According to the embedding nut according to the second aspect of the present invention, the pull-out strength is increased, and it is possible to prevent the bolt from coming off when a tensile load is applied to the screwed-in bolt.
【００２２】請求項３記載の発明においては、請求項１
及び２記載の発明の効果を併せて奏する。In the invention according to claim 3, claim 1 is
And the effect of the invention described in 2.
【００２３】請求項４記載の発明によると、回り止め手
段又は鍔を絞り加工時に形成することができ、製作コス
トを低減することができる。According to the fourth aspect of the present invention, the detent means or the flange can be formed at the time of drawing, and the production cost can be reduced.
【００２４】請求項５記載の発明の埋込みナットにおい
ては、ネジ孔内にノロが入り込むのを防ぐことができ
る。In the embedding nut according to the fifth aspect of the invention, it is possible to prevent the slag from entering the screw hole.
【図１】従来のコンクリート埋込みナットの斜視図。FIG. 1 is a perspective view of a conventional concrete embedding nut.
【図２】本発明に係わるコンクリート埋込みナットの斜
視図。FIG. 2 is a perspective view of a concrete embedding nut according to the present invention.
【図３】生コンクリート打設時の埋込みナットを示す
図。FIG. 3 is a view showing an embedding nut when placing ready-mixed concrete.
１１・・ネジ部 １２・・ネジ孔 １３・・鍔 １３ａ・・折曲部 １５・・フランジ １７・・型枠 11. Screw part 12. Screw hole 13. Flange 13a. Bend part 15. Flange 17. Formwork
Claims (5)
ルトが捩込まれるネジ孔が端部を閉じた盲孔状をなす埋
込みナットにおいて、外側適所に回り止め手段を設けた
ことを特徴とするコンクリート埋込みナット。1. A blind hole-shaped embedded nut in which a screw is formed by drawing a metal plate to form a screw portion and a screw hole into which a bolt is screwed is closed at an end, and a detent means is provided at an appropriate position on the outside. A concrete embedded nut characterized by the following.
ルトが捩込まれるネジ孔が端部を閉じた盲孔状をなす埋
込みナットにおいて、外側適所にフランジ状の鍔を突設
したことを特徴とするコンクリート埋込みナット2. A blind hole-shaped embedded nut in which a screw hole is formed by drawing a metal plate to form a screw portion and a screw hole into which a bolt is screwed closed at an end, and a flange-shaped flange is protruded at an appropriate position on the outside. Concrete embedding nut
とする請求項２記載のコンクリート埋込みナット。3. The concrete embedding nut according to claim 2, wherein said flange has a rotation preventing function.
段又は鍔を一体に設けたことを特徴とする請求項１ない
し３のいづれかの請求項に記載のコンクリート埋込みナ
ット。4. The concrete embedding nut according to claim 1, wherein a detent means or a flange is integrally provided at a bottom portion of the blind hole-shaped screw hole.
を特徴とする請求項１ないし４のいづれかの請求項に記
載のコンクリート埋込みナット。5. A concrete embedding nut according to claim 1, wherein a flange is projected from an opening of the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000091719A JP2001280325A (en) | 2000-03-29 | 2000-03-29 | Nut for being embedded into concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000091719A JP2001280325A (en) | 2000-03-29 | 2000-03-29 | Nut for being embedded into concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001280325A true JP2001280325A (en) | 2001-10-10 |
Family
ID=18607148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000091719A Pending JP2001280325A (en) | 2000-03-29 | 2000-03-29 | Nut for being embedded into concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001280325A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012037000A (en) * | 2010-08-09 | 2012-02-23 | Bridgestone Corp | Foam molding member, its attachment clip, method of manufacturing foam molding member, and attachment structure of foam molding member |
| JP2012037002A (en) * | 2010-08-09 | 2012-02-23 | Bridgestone Corp | Foam molding member, its attachment clip, method of manufacturing foam molding member, and attachment structure of foam molding member |
| JP2012037001A (en) * | 2010-08-09 | 2012-02-23 | Bridgestone Corp | Foam molding member, its attachment clip, method of manufacturing foam molding member, and attachment structure of foam molding member |
| JP2014031848A (en) * | 2012-08-03 | 2014-02-20 | Tendo Mokko:Kk | Embedded nut, and laminate component and chair using the same |
-
2000
- 2000-03-29 JP JP2000091719A patent/JP2001280325A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012037000A (en) * | 2010-08-09 | 2012-02-23 | Bridgestone Corp | Foam molding member, its attachment clip, method of manufacturing foam molding member, and attachment structure of foam molding member |
| JP2012037002A (en) * | 2010-08-09 | 2012-02-23 | Bridgestone Corp | Foam molding member, its attachment clip, method of manufacturing foam molding member, and attachment structure of foam molding member |
| JP2012037001A (en) * | 2010-08-09 | 2012-02-23 | Bridgestone Corp | Foam molding member, its attachment clip, method of manufacturing foam molding member, and attachment structure of foam molding member |
| JP2014031848A (en) * | 2012-08-03 | 2014-02-20 | Tendo Mokko:Kk | Embedded nut, and laminate component and chair using the same |
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