JP3820487B2 - Combination of rotating nut and support frame - Google Patents

Combination of rotating nut and support frame Download PDF

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Publication number
JP3820487B2
JP3820487B2 JP33884296A JP33884296A JP3820487B2 JP 3820487 B2 JP3820487 B2 JP 3820487B2 JP 33884296 A JP33884296 A JP 33884296A JP 33884296 A JP33884296 A JP 33884296A JP 3820487 B2 JP3820487 B2 JP 3820487B2
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Japan
Prior art keywords
nut
arm
rotation shaft
combination
frame
Prior art date
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Expired - Lifetime
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JP33884296A
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Japanese (ja)
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JPH10141344A (en
Inventor
一一 生田
三郎 宮本
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若井産業株式会社
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Description

【0001】
【産業上の利用分野】
本発明は内面に手の入らない中空状の部材に穴をあけて外部から挿入して用いるナット体であり、ほぼ中央にネメジを有しメネジ軸線と直交する方向に長い角柱状の回転するナットと、それを回転自在に支持する枠の組み合わせ体に関するものである。
【0002】
【従来の技術】
2つの対向する側面に回転軸を突出させた角柱状のナットと、2つの腕部分にガイド溝を設けた枠体から成り、枠体のガイド溝にナットの回転軸を嵌め合わせ、回転し自在に移動するようにした組み合わせ体が知られている。このような組み合わせ体は例として実公昭52年3556号、実公平1年25772号などにみることができる。
【0003】
【発明が解決しようとする課題】
従来のこのような組み合わせ体において、ナットが枠体の腕に支持された状態で回転し、あるいはネジに引き寄せられて移動する時に過大な力が加わるとナットが枠体の腕から脱落するという問題がある。問題の1つはネジを挿入し、その先端でナットの後部を強く押して90゜回転させようとする時に脱落が生じ、2つはナットが90°回転した後でネジを回してナットを引き寄せる過程でヒネリ運動が生じて脱落が生じるのである。
【0004】
このような脱落を防ぐためには、ナットの回転軸を枠体の腕から突出させて、その先端をカシメなどの手段で拡張させる解決手段が一般的であり、本願出願人も実施したものである。しかし、このようなカシメ加工は過大な押圧をすると、拡張した部分が枠体の腕をナットに強く押し付ける場合があり、ナットの回転や移動ができなくなるという問題や、加工工数の増加によるコストアップという課題があった。
【0005】
また、他の方法として本願出願人は実公平2年24969号公報の第6図に示すように、軸の先端において少なくとも一方向以上が軸の最少径よりも拡径となる頭部を有する構成を提案した。しかし、図に示す構成によると、先に述べた2つ目の課題が解決されない。すなわち、ナットが90°回転し引き寄せられる過程においては軸の先端のカギ状の拡径部は枠体の腕に引っ掛かり状態が得られなくなり、ヒネリ運動によってナットの脱落が生じるのである。
【0006】
【課題を解決するための手段】
ほぼ中央に貫通するメネジを有しメネジ軸線と直交する方向に長い角柱状であり、メネジを挟んで2つの対向する側面に回転軸を突出させ、部材への挿入時に後部となる一端に傾斜面を有する角柱状のナットと、ネジの挿通穴を有する基部から伸びる2つの腕部分の長手方向にナットの回転軸径よりも幅広で、かつ貫通するガイド溝を設けた枠体とから成り、枠体のガイド溝にナットの回転軸を嵌め合わせ、自在に移動するようにした組み合わせ体において、その組み合わせ前に、ナットの回転軸の先端が枠体の腕から突出する位置でナットの回転軸からナットの長手方向のみにツバ状に突出し、その裏面とナットの側面の間に腕の厚さよりも大きな空間を有するように形成された拡径部を有するナットの回転軸を枠体のガイド溝に嵌め合わせたことを特徴とする組み合わせ体。
【0007】
【作用】
本願の角柱状のナットと枠体の組み合わせ体を用いて、中空部材などに器材を固定しようとする時、中空部材に予め設けられた挿入穴に本願組み合わせ体をナットの長手方向と枠体を一致するようにしてナット側から挿入する。器材を当ててからネジを差し込み、その先端をナットの傾斜した後部に強く押し当ててナットを90°回転させる。この時、枠から突出した回転軸の先端はナットの長手両方向のみに拡径しているため、前方に向いた一方のツバが枠体の腕の溝先端で枠体に引っ掛かり状になり、ナットの脱落を防止する。強く押される程に強く噛み合うため、容易に脱落しない。
【0008】
ナットがネジに押されて回転し始めるとナットの長手両方向のみに拡径したツバは、いずれも枠体の腕に引っ掛かり状となり、以降のネジ締め過程においてナットの脱落を防止することができる。
【0009】
【実施例】
図1は本願発明の実施例を示している。ほぼ中央に貫通するメネジ1を有しメネジ軸線と直交する方向に長い角柱状(角部に曲面やテーパ面を有する角柱、台形の角柱を含む)であり、メネジ1を挟んで2つの対向する側面に回転軸2を突出させ、部材への挿入時に後部となる一端に傾斜面3を有する角柱状のナット4と、ネジの挿通穴5を有する基部6から伸びる2つの腕部分7、7′の長手方向に回転軸径よりも幅広で、かつ貫通するガイド溝8を設けた枠体9とから成り、枠体9のガイド溝8にナットの回転軸2を嵌め合わせ、自在に移動するようにした組み合わせ体において、その組み合わせ前に、ナットの回転軸2の先端が枠体の腕7から突出する位置でナットの回転軸2からナットの長手方向のみにツバ状に突出し、その裏面とナットの側面の間に腕7の厚さよりも大きな空間を有するように形成された拡径部10、10′を有するナットの回転軸2を枠体のガイド溝8に嵌め合わせたことを特徴とする組み合わせ体である。拡径部10、10′は少なくとも角柱状のナット4の長手方向の前方へ向けたものを必要とし、拡径部はナットの2つの側面のいずれか一方の回転軸に設けられていてもよい。
【00010】
なお実施例においては、ナット4の側面には組み合わせた時の腕7の先端から前方に拡径部10の突出長さと同等かやや長い距離をあけた位置にナットの過大な回転を防止する突起11と、枠体にはこの突起11に突き当たるように枠体の腕の先端から突出するツメ12が設けられている。ナット4の側面には腕7の先端から前方に拡径部10の突出長さL1と同等かやや長い距離L2をあけて突起11を設けたことによって、突起10を有するナットの回転軸2を枠体のガイド溝8に嵌め合わせる時に、嵌め合いが可能になる。
【00011】
【発明の効果】
本願の角柱状のナットと枠体の組み合わせ体によると、ネジの挿入時とナットの90°回転過程とナットの引き寄せ時において回転軸の拡径部10、10´が枠体の腕7に引っ掛かり状となり、ナットが枠体の腕に支持された状態で移動する時に、ナットが枠体の腕から脱落するという問題、すなわち1つはネジを挿入し、その先端でナットの後部を強く押して90゜回転させようとする時に脱落が生じ、2つはナットが90°回転した後でネジを回してナットを引き寄せる過程でヒネリ運動が生じて脱落が生じるという問題を解決することができる。
【00012】
ネジを回してナットを引き寄せる過程でナットの脱落が生じた場合、従来の技術によるとナットがネジと「共回り」をしてネジ締めが不能な状態になる場合もあり、またネジ締めが完了した後に、ネジを逆転して抜き去ろうとした時にナットとネジが「共回り」をして抜き取りが不能になるという問題も生じていたが、本願発明の組み合わせ体によると、それらの問題の多くを解決することができる。
【00013】
また、組み合わせ時においては、ナットの回転軸の拡径部10、10′はナットの回転軸の長手方向のみにツバ状に拡径形成されているため、ナット4を2つの腕7、7′の間に挿入して枠体の腕7、7′とナット4を一致するように方向を合わせることで回転軸の拡径部は腕の溝に挿入することができる。この位置関係においてのみ本願発明の組み合わせ体は組み合わせ、または分離することができ、かつこの位置関係においてはナット4には取り付け作業上の外力が加わらないということに着目すべきである。ナット4に初めて取り付け作業上の外力が加わるのはネジを枠体9の挿通穴5を経由して傾斜面3に押し当てた時であるが、この押し当てる力によってナット4はただちにネジの進行方向の前方に押されて拡径部10が腕7に引っ掛かり状になり外れなくなる。図1はそのようにしてナット4が前方に押され、拡径部10が腕7に引っ掛かり状になった状態を示している。
【図面の簡単な説明】
【図1】本発明の実施例を示す斜視図である
【図2】本発明の実施例のナットと腕の関係を示す部分拡大図である
【図3】従来例、実公昭52年3556号に開示された図面である
【図4】従来例、実公平2年24969号に開示された図面である
【符号の説明】
1 メネジ
2 回転軸
3 傾斜面
4 角柱状ナット
5 ネジの挿通穴
6 基部
7、7´ 腕
8 ガイド溝
9 枠体
10、10´ 拡径部
[0001]
[Industrial application fields]
The present invention is a nut body that is used by making a hole in a hollow member that cannot be reached on the inner surface and inserting it from the outside, and has a square pillar in the direction perpendicular to the female screw axis and having a screw in the center. And a combination of frames that rotatably support the frame.
[0002]
[Prior art]
It consists of a prismatic nut with a rotating shaft projecting on two opposing side surfaces and a frame with two guide grooves on the arm. The nut's rotating shaft fits into the guide groove of the frame and can rotate freely. There is known a combination that can be moved to. Examples of such a combination can be found in Japanese Utility Model Publication No. 3556 No. 3556 and Japanese Utility Model Publication No. 257772.
[0003]
[Problems to be solved by the invention]
In such a conventional combination body, when the nut rotates while supported by the arm of the frame body, or when an excessive force is applied when moving by being attracted by the screw, the nut drops from the arm of the frame body There is. One of the problems is that a screw is inserted and the rear part of the nut is pushed strongly at its tip to cause a drop when it is rotated 90 °. The second is the process of turning the screw and pulling the nut after the nut rotates 90 °. In this case, the velvet movement occurs and the dropout occurs.
[0004]
In order to prevent such drop-off, a solution means is generally implemented in which the nut rotation shaft protrudes from the arm of the frame body and the tip thereof is expanded by means such as caulking, which was also implemented by the applicant of the present application. . However, in such a caulking process, if an excessive pressure is applied, the expanded part may strongly press the arm of the frame body against the nut, and the nut cannot be rotated or moved, and the cost increases due to an increase in the number of processing steps. There was a problem.
[0005]
As another method, the applicant of the present invention has a configuration in which, as shown in FIG. 6 of Japanese Utility Model Publication No. 24969, the head has a head whose diameter is larger than the minimum diameter of the shaft at least in one direction at the tip of the shaft. Proposed. However, according to the configuration shown in the figure, the second problem described above cannot be solved. That is, in the process in which the nut is rotated 90 ° and pulled, the key-like enlarged diameter portion at the tip of the shaft cannot be hooked on the arm of the frame body, and the nut falls off due to the slack movement.
[0006]
[Means for Solving the Problems]
It has a female thread that penetrates almost at the center and is a prismatic shape that is long in the direction perpendicular to the female thread axis. The rotating shaft protrudes from two opposing sides across the female thread, and an inclined surface on one end that becomes the rear when inserted into a member And a frame body that is wider than the rotation shaft diameter of the nut in the longitudinal direction of the two arm portions extending from the base portion having a screw insertion hole and provided with a guide groove that passes therethrough. In a combination body in which the nut rotation shaft is fitted in the body guide groove and moved freely, before the combination, the nut rotation shaft tip protrudes from the frame arm at the position where the nut rotation shaft protrudes. The nut rotation shaft that protrudes in the shape of a collar only in the longitudinal direction of the nut and has an enlarged diameter portion formed so as to have a space larger than the thickness of the arm between the back surface and the side surface of the nut is used as a guide groove of the frame Mating Combinations thereof, characterized in that the.
[0007]
[Action]
When trying to fix the equipment to the hollow member etc. using the prismatic nut and frame combination of the present application, the combination of the present application is inserted into the insertion hole provided in advance in the hollow member and the longitudinal direction of the nut and the frame. Insert from the nut side so that they match. The screw is inserted after applying the equipment, and the nut is rotated 90 ° by strongly pressing its tip against the inclined rear part of the nut. At this time, since the tip of the rotating shaft protruding from the frame is expanded only in both the longitudinal directions of the nut, one of the flanges facing forward is hooked to the frame at the groove tip of the arm of the frame, and the nut Prevents falling off. As it is pushed harder, it will mesh so strongly that it will not drop off easily.
[0008]
When the nut is pushed by the screw and begins to rotate, the flanges whose diameters are expanded only in both the longitudinal directions of the nut are hooked on the arm of the frame body, and the nut can be prevented from falling off in the subsequent screw tightening process.
[0009]
【Example】
FIG. 1 shows an embodiment of the present invention. It has an internal thread 1 penetrating substantially at the center and is long in a direction perpendicular to the internal axis of the internal thread (including a prism having a curved surface or a tapered surface at the corner, and a trapezoidal prism), and two opposing faces with the internal thread 1 in between. Two arm portions 7, 7 ′ extending from a base portion 6 having a prismatic nut 4 having an inclined surface 3 at one end which is a rear portion when the rotary shaft 2 is projected on the side surface and being inserted into a member, and a screw insertion hole 5. The frame 9 is wider than the diameter of the rotation shaft and is provided with a guide groove 8 extending therethrough, and the nut rotation shaft 2 is fitted into the guide groove 8 of the frame 9 so as to move freely. In this combination, before the combination, at the position where the tip of the nut rotating shaft 2 protrudes from the arm 7 of the frame, the nut protrudes from the nut rotating shaft 2 only in the longitudinal direction of the nut, and the back surface and the nut Greater than the thickness of arm 7 between the sides of A combination thereof, characterized in that the rotary shaft 2 of the nut with the formed enlarged diameter portions 10, 10 'so as to have a spatial was fitted to the frame of the guide groove 8. The enlarged diameter portions 10 and 10 ′ require at least the prismatic nut 4 facing forward in the longitudinal direction, and the enlarged diameter portion may be provided on one of the two side surfaces of the nut. .
[00010]
In the embodiment, a protrusion that prevents excessive rotation of the nut is provided on the side surface of the nut 4 at a position that is a little longer than the protruding length of the enlarged diameter portion 10 forward from the tip of the arm 7 when combined. 11 and a claw 12 that protrudes from the tip of the arm of the frame so as to abut against the projection 11. By providing a protrusion 11 on the side surface of the nut 4 at a distance L2 that is equal to or slightly longer than the protrusion length L1 of the enlarged diameter portion 10 from the front end of the arm 7, the rotation shaft 2 of the nut having the protrusion 10 is provided. When fitting into the guide groove 8 of the frame, the fitting becomes possible.
[00011]
【The invention's effect】
According to the combination of the prismatic nut and the frame body of the present application, the diameter-expanded portions 10 and 10 'of the rotating shaft are caught by the arm 7 of the frame body when the screw is inserted, when the nut is rotated 90 ° and when the nut is pulled. When the nut moves in a state where the nut is supported by the arm of the frame body, the nut falls off from the arm of the frame body, i.e., one inserts a screw and strongly pushes the rear part of the nut at its tip. It is possible to solve the problem that dropout occurs when the rotation is attempted, and that the second causes a slack movement in the process of turning the screw and pulling the nut after the nut rotates 90 °.
[00012]
If the nut falls out while turning the screw and pulling the nut, according to the conventional technology, the nut may “co-rotate” with the screw and it may become impossible to tighten the screw, and the screw tightening is completed After that, when trying to remove the screw by reversing it, there was a problem that the nut and the screw “co-rotated” and it became impossible to remove, but according to the combination of the present invention, many of those problems Can be solved.
[00013]
Further, at the time of combination, since the diameter-expanded portions 10 and 10 'of the nut rotation shaft are enlarged in a flange shape only in the longitudinal direction of the nut rotation shaft, the nut 4 is formed with the two arms 7 and 7'. The diameter-enlarged portion of the rotating shaft can be inserted into the groove of the arm by aligning the arms 7 and 7 'of the frame body with the nut 4 so as to coincide with each other. It should be noted that the combination of the present invention can be combined or separated only in this positional relationship, and in this positional relationship, no external force is applied to the nut 4 in the mounting operation. The external force applied to the nut 4 for the first time is applied to the nut 4 when the screw is pressed against the inclined surface 3 via the insertion hole 5 of the frame body 9, and the nut 4 immediately advances the screw by this pressing force. It is pushed forward in the direction, and the expanded diameter portion 10 is hooked on the arm 7 and cannot be removed. FIG. 1 shows a state in which the nut 4 is pushed forward and the expanded diameter portion 10 is hooked on the arm 7 as described above.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of the present invention. FIG. 2 is a partially enlarged view showing a relationship between a nut and an arm according to an embodiment of the present invention. FIG. 4 is a drawing disclosed in a conventional example, Japanese Utility Model Publication No. 24969 [Explanation of symbols]
Reference Signs List 1 female screw 2 rotating shaft 3 inclined surface 4 prismatic nut 5 screw insertion hole 6 base 7, 7 ′ arm 8 guide groove 9 frame 10, 10 ′ enlarged diameter part

Claims (1)

ほぼ中央に貫通するメネジを有しメネジ軸線と直交する方向に長い角柱状であり、メネジを挟んで2つの対向する側面に回転軸を突出させ、部材への挿入時に後部となる一端に傾斜面を有する角柱状のナットと、ネジの挿通穴を有する基部から伸びる2つの腕部分の長手方向にナットの回転軸径よりも幅広で、かつ貫通するガイド溝を設けた枠体とから成り、枠体のガイド溝にナットの回転軸を嵌め合わせ、自在に移動するようにした組み合わせ体において、その組み合わせ前に、ナットの回転軸の先端が枠体の腕から突出する位置でナットの回転軸からナットの長手方向のみにツバ状に突出し、その裏面とナットの側面の間に腕の厚さよりも大きな空間を有するように形成された拡径部を有するナットの回転軸を枠体のガイド溝に嵌め合わせたことを特徴とする組み合わせ体。It has a female thread that penetrates almost at the center and is a prismatic shape that is long in the direction perpendicular to the female thread axis. The rotating shaft protrudes from two opposing sides across the female thread, and an inclined surface on one end that becomes the rear when inserted into a member And a frame body that is wider than the rotation shaft diameter of the nut in the longitudinal direction of the two arm portions extending from the base portion having a screw insertion hole and provided with a guide groove that passes therethrough. In a combination body in which the nut rotation shaft is fitted in the body guide groove and moved freely, before the combination, the nut rotation shaft tip protrudes from the frame arm at the position where the nut rotation shaft protrudes. The nut rotation shaft that protrudes in the shape of a collar only in the longitudinal direction of the nut and has an enlarged diameter portion formed so as to have a space larger than the thickness of the arm between the back surface and the side surface of the nut is used as a guide groove of the frame Mating Combinations thereof, characterized in that the.
JP33884296A 1996-11-13 1996-11-13 Combination of rotating nut and support frame Expired - Lifetime JP3820487B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33884296A JP3820487B2 (en) 1996-11-13 1996-11-13 Combination of rotating nut and support frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33884296A JP3820487B2 (en) 1996-11-13 1996-11-13 Combination of rotating nut and support frame

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Publication Number Publication Date
JPH10141344A JPH10141344A (en) 1998-05-26
JP3820487B2 true JP3820487B2 (en) 2006-09-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4509308B2 (en) 2000-01-28 2010-07-21 若井産業株式会社 Rotating nut
JP4722670B2 (en) * 2005-10-27 2011-07-13 大阪金具株式会社 Nut member
JP5295990B2 (en) * 2010-02-10 2013-09-18 株式会社ニフコ Fastener
JP5315451B1 (en) * 2012-10-23 2013-10-16 株式会社三原金属工業 Fixing bolt
KR102094242B1 (en) * 2020-01-10 2020-05-15 (주)엔씨테크 Toggle bolt

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