JP2008311035A - Method of holding external thread, fittings with terminal screw, terminal board device, method of manufacturing fittings with terminal screw, and device for manufacturing fittings with terminal screw - Google Patents

Method of holding external thread, fittings with terminal screw, terminal board device, method of manufacturing fittings with terminal screw, and device for manufacturing fittings with terminal screw Download PDF

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JP2008311035A
JP2008311035A JP2007156655A JP2007156655A JP2008311035A JP 2008311035 A JP2008311035 A JP 2008311035A JP 2007156655 A JP2007156655 A JP 2007156655A JP 2007156655 A JP2007156655 A JP 2007156655A JP 2008311035 A JP2008311035 A JP 2008311035A
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screw
hole
opening
terminal
metal fitting
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JP5182847B2 (en
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Yoshiaki Tsurii
良明 釣井
Hideo Shinnai
秀雄 新内
Yuichi Sato
佑一 佐藤
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Idec Corp
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Idec Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique of holding an external screw capable of holding the external screw such as a terminal screw not to come out of a through-hole of fittings, with relatively small working force. <P>SOLUTION: A columnar through hole 12h is installed in holding fittings 12 rotatably holding the terminal screw 11 which is the external screw, a circular V-shaped groove Gb is formed along the edge of an opening Kd of the through-hole 12h. In the holding fittings 12, after the terminal screw 11 is inserted into the through-hole 12h so that an end ring 114 of the terminal screw 11 comes out of the opening Kd through the inside of the through-hole 12h, by inserting the tip 20a of a crimping punch 20 into the groove Gb, working is performed so that a portion 12j interposed between the groove Gb and the through-hole 12h is inclined in the direction Ft facing the central part of the opening Kd. Since the end ring 114 can not pass through the opening Kd, the terminal screw 11 can be held not to come out of the through-hole 12h, with relatively small working force. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、端子ねじ等の雄ねじを金具に設けられた貫通孔に保持する保持技術に関する。   The present invention relates to a holding technique for holding a male screw such as a terminal screw in a through hole provided in a metal fitting.

端子台等においては、例えばL字状の形状を有した保持金具に端子ねじ(雄ねじ)が回転自在に保持された端子ねじ付き金具が使用されている。   In a terminal block or the like, for example, a metal fitting with a terminal screw in which a terminal screw (male screw) is rotatably held by a holding metal fitting having an L shape is used.

このような端子ねじ付き金具において保持金具の貫通孔に挿入された端子ねじを抜け落ちないように保持させるには、例えば図18に示すように貫通孔9h周辺の4箇所91〜94を金具表面に対して垂直方向にプレスし、貫通孔9h内に4つの突起部P1〜P4を形成させるカシメ加工により、端子ねじの落脱を防ぐ方法がある(特許文献1参照)。   In order to hold the terminal screw inserted into the through hole of the holding metal fitting in such a metal fitting with a terminal screw so as not to fall off, for example, as shown in FIG. 18, four locations 91 to 94 around the through hole 9h are provided on the surface of the metal fitting. On the other hand, there is a method of preventing the terminal screw from dropping by caulking that presses vertically and forms four protrusions P1 to P4 in the through hole 9h (see Patent Document 1).

特開平10−255883号公報Japanese Patent Laid-Open No. 10-255883

しかしながら、上記のカシメ加工においては、先端がフラットなカシメ工具で金具表面をプレスし、このプレス方向と垂直方向に金具を押し出すことにより突起部P1〜P4を形成するため、突起部P1〜P4の形成にとってプレスによる押圧力が直接作用する訳ではなく効率が悪い。このため、突起部P1〜P4において必要な突出量を確保するには、油圧や空気圧による比較的大きな押圧力(加工力)が必要となる。   However, in the above-described crimping process, the protrusions P1 to P4 are formed by pressing the metal fitting surface with a caulking tool with a flat tip and extruding the metal fitting in a direction perpendicular to the pressing direction. For the formation, the pressing force by the press does not act directly and the efficiency is poor. For this reason, a relatively large pressing force (working force) by hydraulic pressure or air pressure is required to secure a necessary protrusion amount at the protrusions P1 to P4.

本発明は、上記課題に鑑みてなされたものであり、比較的小さな加工力で端子ねじ等の雄ねじを金具の貫通孔から落脱しないように保持させることが可能な雄ねじの保持技術を提供することを目的とする。   The present invention has been made in view of the above problems, and provides a male screw holding technique capable of holding a male screw such as a terminal screw so as not to fall out of a through hole of a metal fitting with a relatively small processing force. For the purpose.

上記の課題を解決するため、請求項1の発明は、ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する雄ねじを、金具に設けられた貫通孔に保持する方法であって、(a)前記金具において前記貫通孔に係る一方の開口の縁近傍に所定の溝を形成する溝形成工程と、(b)前記特定の部位が前記貫通孔内を通って前記一方の開口から出るように、前記雄ねじを前記貫通孔に挿入する挿入工程と、(c)前記挿入工程による雄ねじの挿入後に、前記所定の溝と前記貫通孔とに挟まれた金具の部分を前記一方の開口の中央部に向かう方向に傾ける加工を施す加工工程とを備え、前記加工工程による加工により、前記特定の部位が前記一方の開口を通過できなくなる。   In order to solve the above-mentioned problems, the invention of claim 1 is a method of holding a male screw having a specific portion larger than the diameter of the screw neck in a section from the screw neck to the screw tip in a through hole provided in the metal fitting. (A) a groove forming step of forming a predetermined groove in the vicinity of the edge of one opening of the through hole in the metal fitting, and (b) the specific portion passes through the through hole and the one An insertion step of inserting the male screw into the through hole so as to exit from the opening, and (c) after insertion of the male screw in the insertion step, a portion of the metal fitting sandwiched between the predetermined groove and the through hole A processing step of performing a process of inclining in a direction toward the central portion of the one opening, and the specific part cannot pass through the one opening by the processing by the processing step.

また、請求項2の発明は、請求項1の発明に係る雄ねじの保持方法において、前記所定の溝は、前記一方の開口の縁に沿って形成される円環状の溝である。   According to a second aspect of the invention, in the male screw holding method according to the first aspect of the invention, the predetermined groove is an annular groove formed along an edge of the one opening.

また、請求項3の発明は、請求項1または請求項2の発明に係る雄ねじの保持方法において、前記特定の部位は、前記ねじ首とねじ山との間に設けられたエンドリングである。   According to a third aspect of the present invention, in the male screw holding method according to the first or second aspect of the present invention, the specific portion is an end ring provided between the screw neck and the screw thread.

また、請求項4の発明は、請求項1ないし請求項3のいずれかの発明に係る雄ねじの保持方法において、前記所定の溝は、前記貫通孔の中心軸を含んだ平面に係る断面の形状が三角形である。   According to a fourth aspect of the present invention, in the male screw holding method according to any one of the first to third aspects, the predetermined groove has a cross-sectional shape according to a plane including the central axis of the through hole. Is a triangle.

また、請求項5の発明は、請求項1ないし請求項4のいずれかの発明に係る雄ねじの保持方法において、前記加工工程は、(c-1)前記所定の溝に工具の尖端を差し込み前記所定の溝を前記貫通孔側に押し拡げることにより、前記加工を施す工程を有する。   Further, the invention of claim 5 is the male screw holding method according to any one of claims 1 to 4, wherein the machining step includes (c-1) inserting a tip of a tool into the predetermined groove, and It has the process of performing the said process by pushing a predetermined groove | channel to the said through-hole side.

また、請求項6の発明は、請求項1ないし請求項5のいずれかの発明に係る雄ねじの保持方法において、前記金具は、前記貫通孔が形成された板状の部位と、前記板状の部位から前記貫通孔の中心軸に沿って伸びる部位とを有している。   According to a sixth aspect of the present invention, in the male screw holding method according to any one of the first to fifth aspects of the present invention, the metal fitting includes a plate-shaped portion in which the through hole is formed, and the plate-shaped portion. And a portion extending from the portion along the central axis of the through hole.

また、請求項7の発明は、ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する端子ねじが付いた金具であって、前記端子ねじのねじ首が挿通された貫通孔を有し、前記貫通孔に係る前記ねじ先端側の開口の縁近傍に所定の溝が形成されているとともに、当該所定の溝近傍における前記貫通孔の内壁面は、前記ねじ先端側の開口の中央部に向かう方向に傾いた形状を有しており、前記傾いた形状により、前記特定の部位が前記ねじ先端側の開口を通過できない。   Further, the invention of claim 7 is a metal fitting with a terminal screw having a specific part larger than the diameter of the screw neck in a section from the screw neck to the screw tip, and the screw neck of the terminal screw is inserted therethrough. A predetermined groove is formed near an edge of the opening on the screw tip side of the through hole, and an inner wall surface of the through hole in the vicinity of the predetermined groove is formed on the screw tip side. It has a shape inclined in the direction toward the center of the opening, and the specific portion cannot pass through the opening on the screw tip side due to the inclined shape.

また、請求項8の発明は、請求項7の発明に係る端子ねじ付き金具を備えた端子台装置。   The invention of claim 8 is a terminal block device comprising the metal fitting with terminal screw according to the invention of claim 7.

また、請求項9の発明は、ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する端子ねじが付いた金具を製造する方法であって、(a)前記端子ねじを保持するための貫通孔に係る一方の開口の縁近傍に所定の溝が形成された金具を準備する準備工程と、(b)前記特定の部位が前記貫通孔内を通って前記一方の開口から出るように、前記端子ねじを前記貫通孔に挿入する挿入工程と、(c)前記挿入工程による端子ねじの挿入後に、前記所定の溝と前記貫通孔とに挟まれた金具の部分を前記一方の開口の中央部に向かう方向に傾ける加工を施す加工工程とを備え、前記加工工程による加工により、前記特定の部位が前記一方の開口を通過できなくなる。   The invention of claim 9 is a method of manufacturing a metal fitting with a terminal screw having a specific part larger than the diameter of the screw neck in a section from the screw neck to the screw tip, and (a) the terminal screw A preparation step of preparing a metal fitting in which a predetermined groove is formed in the vicinity of the edge of the one opening related to the through hole for holding, and (b) the one opening through the inside of the through hole. An insertion step of inserting the terminal screw into the through-hole, and (c) after inserting the terminal screw in the insertion step, a portion of the metal fitting sandwiched between the predetermined groove and the through-hole A processing step of performing a process of inclining in a direction toward the central portion of the one opening, and the specific part cannot pass through the one opening by the processing by the processing step.

また、請求項10の発明は、ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する端子ねじが付いた金具を製造する装置であって、(a)前記特定の部位が前記金具に設けられた貫通孔の内部を通って前記一方の開口から出るように、前記端子ねじを前記貫通孔に挿入する挿入手段と、(b)前記挿入手段による端子ねじの挿入後に、前記貫通孔に係るねじ先端側の開口の縁近傍に形成された所定の溝と前記貫通孔とに挟まれた金具の部分を前記ねじ先端側の開口の中央部に向かう方向に傾ける加工を施す加工手段とを備え、前記加工手段による加工により、前記特定の部位が前記一方の開口を通過できなくなる。   The invention of claim 10 is an apparatus for manufacturing a metal fitting with a terminal screw having a specific part larger than the diameter of the screw neck in a section from the screw neck to the screw tip. An insertion means for inserting the terminal screw into the through hole so that a portion passes through the inside of the through hole provided in the metal fitting, and (b) after the insertion of the terminal screw by the insertion means And a process of inclining a portion of the metal fitting sandwiched between the predetermined groove formed near the edge of the screw tip side opening and the through hole in the through hole toward the center of the screw tip side opening. Processing means to be applied, and processing by the processing means prevents the specific part from passing through the one opening.

請求項1から請求項6、請求項9および請求項10の発明によれば、ねじ首からねじ先端までの区間においてねじ首の径より大きい特定の部位を有する端子ねじ等の雄ねじを保持するための貫通孔が設けられるとともに、貫通孔に係る一方の開口の縁近傍に所定の溝が形成された金具に対して、特定の部位が貫通孔内を通って一方の開口から出るように雄ねじを貫通孔に挿入した後に、所定の溝と貫通孔とに挟まれた金具の部分を一方の開口の中央部に向かう方向に傾ける加工を施す。これにより、雄ねじにおける特定の部位が一方の開口を通過できなくなる。その結果、比較的小さな加工力で端子ねじ等の雄ねじを金具の貫通孔から落脱しないように保持させることができる。   According to the inventions of claims 1 to 6, 9 and 10, in order to hold a male screw such as a terminal screw having a specific part larger than the diameter of the screw neck in a section from the screw neck to the screw tip. For a metal fitting with a predetermined groove near the edge of one opening of the through hole, a male screw is provided so that a specific part passes through the through hole and exits from the one opening. After being inserted into the through hole, a process is performed to incline the portion of the metal fitting sandwiched between the predetermined groove and the through hole in a direction toward the center of one opening. Thereby, the specific site | part in an external thread cannot pass one opening. As a result, the male screw such as the terminal screw can be held so as not to fall off from the through hole of the metal fitting with a relatively small processing force.

特に、請求項2の発明においては、所定の溝は、一方の開口の縁に沿って形成される円環状の溝であるため、雄ねじの落脱を効果的に防止できる。   In particular, in the second aspect of the invention, the predetermined groove is an annular groove formed along the edge of one of the openings, so that the male screw can be effectively prevented from falling off.

また、請求項3の発明においては、特定の部位は、ねじ首とねじ山との間に設けられたエンドリングであるため、雄ねじの落脱を効果的に防止できる。   In the invention of claim 3, since the specific portion is an end ring provided between the screw neck and the screw thread, it is possible to effectively prevent the male screw from falling off.

また、請求項4の発明においては、所定の溝は、貫通孔の中心軸を含んだ平面に係る断面の形状が三角形であるため、例えば工具の尖端等を溝に差し込むだけで、雄ねじを保持するための加工が容易に施せる。   In the invention of claim 4, since the predetermined groove has a triangular cross-sectional shape including a plane including the central axis of the through hole, the male screw can be held only by inserting the tip of the tool into the groove, for example. Can be easily processed.

また、請求項5の発明においては、所定の溝に工具の尖端を差し込み所定の溝を貫通孔側に押し拡げるため、雄ねじを保持するための加工を簡易に行える。   In the invention of claim 5, since the pointed end of the tool is inserted into the predetermined groove and the predetermined groove is pushed and expanded to the through hole side, the processing for holding the male screw can be performed easily.

また、請求項6の発明においては、金具が、貫通孔が形成された板状の部位と板状の部位から貫通孔の中心軸に沿って伸びる部位とを有していても、比較的小さな加工力で雄ねじを金具の貫通孔から落脱しないように適切に保持できる。   In the invention of claim 6, even if the metal fitting has a plate-like portion where the through-hole is formed and a portion extending from the plate-like portion along the central axis of the through-hole, the fitting is relatively small. The male screw can be appropriately held so as not to fall out of the through hole of the metal fitting by the processing force.

また、請求項7および請求項8の発明によれば、端子ねじ付きの金具は、端子ねじのねじ首が挿通された貫通孔を有し、貫通孔に係るねじ先端側の開口の縁近傍に所定の溝が形成されているとともに、当該所定の溝近傍における貫通孔の内壁面が、ねじ先端側の開口の中央部に向かう方向に傾いた形状を有しており、この傾いた形状により、ねじ首からねじ先端までの区間においてねじ首の径より大きい特定の部位がねじ先端側の開口を通過できない。上記の形状は、予め上記開口の縁近傍に設けられた溝を、貫通孔への雄ねじの挿入後に例えば工具の尖端を差し込んで貫通孔側に押し拡げる加工によって形成されるものであるため、比較的小さい加工力で端子ねじ等の雄ねじを金具の貫通孔から落脱しないように保持させることができる。   According to the invention of claim 7 and claim 8, the metal fitting with a terminal screw has a through hole into which the screw neck of the terminal screw is inserted, and is near the edge of the opening on the screw tip side of the through hole. A predetermined groove is formed, and the inner wall surface of the through hole in the vicinity of the predetermined groove has a shape inclined in the direction toward the center of the opening on the screw tip side. In a section from the screw neck to the screw tip, a specific portion larger than the diameter of the screw neck cannot pass through the opening on the screw tip side. Since the above-mentioned shape is formed by processing a groove provided in the vicinity of the edge of the opening in advance after inserting the male screw into the through-hole, for example, by inserting the tip of a tool and expanding it to the through-hole side. The male screw such as the terminal screw can be held so as not to fall out of the through hole of the metal fitting with a small processing force.

<端子台の構成>
図1は、本発明の実施形態に係る端子台1の要部構成を示す斜視図である。また、図2は、端子台1の要部構成を示す正面図である。
<Terminal block configuration>
FIG. 1 is a perspective view showing a main configuration of a terminal block 1 according to an embodiment of the present invention. FIG. 2 is a front view showing a main configuration of the terminal block 1.

端子台1は、例えばプラスチックで成形された本体部10と、2つの端子ねじ付き金具SCと、導電性を有する金属製の接続導体13と、端子ねじ付き金具SCの下端部に接続して端子ねじ付き金具SCを上方向(+Y方向)に付勢するコイルバネ14とを備えている。このような構成の端子台1が多数整列することによって図3に示すような中継端子台100が構成されることとなる。   The terminal block 1 is connected to the lower end portion of the main body 10 made of plastic, for example, two metal fittings SC with terminal screws, a conductive metal connection conductor 13 and the metal fittings SC with terminal screws. And a coil spring 14 for urging the threaded fitting SC upward (+ Y direction). A large number of terminal blocks 1 having such a configuration are arranged to form a relay terminal block 100 as shown in FIG.

2つの端子ねじ付き金具SC(SCL、SCR)は、それぞれ雄ねじである端子ねじ11と、端子ねじ11を回転自在に保持する保持金具12(12R、12L)とを備えている。なお、端子ねじ付き金具SCの構成については、後で詳述する。   Each of the two terminal screw-attached metal fittings SC (SCL, SCR) includes a terminal screw 11 that is a male screw and a holding metal fitting 12 (12R, 12L) that rotatably holds the terminal screw 11. The configuration of the terminal screw-attached metal fitting SC will be described in detail later.

保持金具12(12L、12R)は、金属製の角座金として構成されており、本体部10の背壁10aの壁面と平行な断面についてL字状の形状を持つ断面を有している(図2参照)。   The holding metal fitting 12 (12L, 12R) is configured as a metal square washer, and has a cross section having an L shape with respect to a cross section parallel to the wall surface of the back wall 10a of the main body 10 (see FIG. 2).

接続導体(導体部)13には、Y軸方向に沿ってねじが切られ各端子ねじ11と螺合可能な2つのねじ孔13hが形成されており、ねじ孔13hの入口INには面取りが施されている。この接続導体13の各ねじ孔13hにおいて丸形圧着端子等を端子ねじ11で締付けるようにすれば、圧着端子(に接続するケーブル)間の電気的な接続がなされることとなる。   The connection conductor (conductor portion) 13 is threaded along the Y-axis direction to form two screw holes 13h that can be screwed with the terminal screws 11, and the inlet IN of the screw hole 13h is chamfered. It has been subjected. If a round crimp terminal or the like is tightened with the terminal screw 11 in each screw hole 13h of the connection conductor 13, the electrical connection between the crimp terminals (cables connected thereto) is made.

以下では、端子ねじ付き金具SCの構成について詳しく説明する。   Below, the structure of the metal fitting SC with a terminal screw is demonstrated in detail.

<端子ねじ付き金具SCの構成>
図4は、端子ねじ付き金具SCの構成を示す図であり、図2の端子ねじ付き金具SCRに対応している。
<Configuration of metal fitting SC with terminal screw>
FIG. 4 is a diagram showing the configuration of the terminal screw-attached metal fitting SC, which corresponds to the terminal screw-attached metal fitting SCR of FIG.

端子ねじ付き金具SCは、上述のように端子ねじ11が保持金具12に回転自在に保持されるようになっているが、以下では端子ねじ11の構成と保持金具12の構成とを順に説明する。   The terminal screw metal fitting SC is configured such that the terminal screw 11 is rotatably held by the holding metal fitting 12 as described above, but hereinafter, the configuration of the terminal screw 11 and the arrangement of the holding metal fitting 12 will be described in order. .

図5は、端子ねじ11の構成を示す図である。   FIG. 5 is a diagram showing the configuration of the terminal screw 11.

端子ねじ11は、ドライバが差し込まれる凹部を有するねじ頭111と、複数のねじ山が形成されているねじ山部112と、ねじ頭111の下端に接続するねじ首113とを備えるとともに、ねじ首113とねじ山部112との間にはエンドリング114が設けられている。また、ねじ首113には、ばね座金119が取り付けられている。   The terminal screw 11 includes a screw head 111 having a recess into which a driver is inserted, a screw thread portion 112 in which a plurality of screw threads are formed, and a screw neck 113 connected to the lower end of the screw head 111. An end ring 114 is provided between 113 and the threaded portion 112. A spring washer 119 is attached to the screw neck 113.

図6および図7は、保持金具12の構成を示す図である。ここで、図6は、図4に示す保持金具12を(+X)方向に見た側面図であり、図7は、図4に示す保持金具12を(+Y)方向に見た下面図である。   6 and 7 are diagrams showing the configuration of the holding metal fitting 12. 6 is a side view of the holding metal fitting 12 shown in FIG. 4 viewed in the (+ X) direction, and FIG. 7 is a bottom view of the holding metal fitting 12 shown in FIG. 4 viewed in the (+ Y) direction. .

保持金具12は、端子ねじ11を保持する円形の貫通孔12hが中央付近に形成された板状の上板部12aと、上板部12aの端部から図4に示すように貫通孔12hの中心軸Acに沿って垂直下方(−Y方向)に伸びる脚部12bとを備えており、L字状の形状を有している。この保持金具12の脚部12bの下端部には、図6に示すようにコイルバネ14(図2参照)の上端を保持するための凹部Qa、Qbが形成されている。   The holding metal fitting 12 includes a plate-like upper plate portion 12a in which a circular through hole 12h for holding the terminal screw 11 is formed near the center, and an end portion of the upper plate portion 12a, as shown in FIG. And a leg portion 12b extending vertically downward (−Y direction) along the central axis Ac, and has an L-shape. As shown in FIG. 6, recesses Qa and Qb for holding the upper end of the coil spring 14 (see FIG. 2) are formed at the lower end of the leg 12 b of the holding metal 12.

以上のような端子ねじ11と保持金具12とを備えた端子ねじ付き金具SC(図4)において、保持金具12の貫通孔12hから端子ねじ11が落脱しないように保持する方法を以下で説明する。   A method of holding the terminal screw 11 from the through hole 12h of the holding fitting 12 so as not to fall out in the fitting SC with terminal screw SC (FIG. 4) including the terminal screw 11 and the holding fitting 12 as described above will be described below. To do.

<端子ねじ付き金具SCにおける端子ねじ11の落脱防止>
図8は、図4のVIII−VIII位置から見た部分断面図である。また、図9は、図5中の破線部Ca付近を拡大した図である。
<Prevention of terminal screws 11 from falling off the metal fittings SC with terminal screws>
FIG. 8 is a partial cross-sectional view seen from the position VIII-VIII in FIG. Moreover, FIG. 9 is the figure which expanded the broken-line part Ca vicinity in FIG.

端子ねじ11のエンドリング114は、その幅方向(図10に示す貫通孔12hの中心軸Acの方向)において中央が***した山型の形状を有しており、この山の頂点において最大の外径Deとなっている(図9)。なお、本実施形態においては、エンドリング114における最大の外径(最大径)Deが、ねじ山部112における最大の外径(最大径)Dsより小さいものとする。   The end ring 114 of the terminal screw 11 has a mountain shape whose center is raised in the width direction (the direction of the central axis Ac of the through hole 12h shown in FIG. 10). The diameter is De (FIG. 9). In the present embodiment, it is assumed that the maximum outer diameter (maximum diameter) De in the end ring 114 is smaller than the maximum outer diameter (maximum diameter) Ds in the thread portion 112.

端子ねじ11のねじ首113は、円柱状の形状を有しており、その直径Dnは、エンドリング114における最大径Deより小さくなっている。換言すれば、端子ねじ11は、ねじ首113からねじ先端までの区間においてねじ首113の径より大きいエンドリング(特定の部位)114を有している。   The screw neck 113 of the terminal screw 11 has a cylindrical shape, and its diameter Dn is smaller than the maximum diameter De of the end ring 114. In other words, the terminal screw 11 has an end ring (specific part) 114 larger than the diameter of the screw neck 113 in a section from the screw neck 113 to the screw tip.

また、保持金具12の上板部12aに設けられた貫通孔12hに関する一方の下側の開口Kdの縁近傍には、図7のように開口Kdの縁Kdeに沿って円環状(リング状)の溝Ga(平行斜線部)が形成されており、その断面は図9に示すようにV字状の形状となっている。そして、この溝Gaと貫通孔12hとに挟まれ、後述のカシメ加工により変形された変形部12t(図9中の破線内の部分)が貫通孔12hに迫り出している。   Further, in the vicinity of the edge of one lower opening Kd related to the through hole 12h provided in the upper plate portion 12a of the holding metal 12, an annular shape (ring shape) is formed along the edge Kde of the opening Kd as shown in FIG. Grooves Ga (parallel oblique line portions) are formed, and the cross section has a V-shape as shown in FIG. And the deformation | transformation part 12t (part in the broken line in FIG. 9) which was pinched | interposed into this groove | channel Ga and the through-hole 12h and was deform | transformed by the crimping process mentioned later is approaching the through-hole 12h.

すなわち、ねじ首113が挿通された貫通孔12hに関するねじ先端側の開口Kdの縁付近に形成された溝Ga近傍における貫通孔12hの内壁面は、開口Kdの中央部に向かう方向に傾いた形状12hf(図9)を有している。   That is, the inner wall surface of the through hole 12h in the vicinity of the groove Ga formed in the vicinity of the edge of the opening Kd on the screw tip side with respect to the through hole 12h through which the screw neck 113 is inserted has a shape inclined in the direction toward the center of the opening Kd. 12hf (FIG. 9).

変形部12tにおいて貫通孔12h側に最も突出している箇所、つまり貫通孔12hの下端では、貫通孔12hの径が最も狭くなっている。そして、この貫通孔12hの下端における最小径Dtは、ねじ首113の直径Dnより大きく、かつエンドリング114の最大径Deより小さい。このような変形部12tが貫通孔12hの全周にわたって形成されることにより、エンドリング114が貫通孔12の変形部12tを通過できなくなるため、端子ねじ11を保持金具12の貫通孔12hから落脱しないように保持できることとなる。   The diameter of the through hole 12h is the narrowest at the portion of the deformed portion 12t that protrudes most toward the through hole 12h, that is, at the lower end of the through hole 12h. The minimum diameter Dt at the lower end of the through hole 12h is larger than the diameter Dn of the screw neck 113 and smaller than the maximum diameter De of the end ring 114. Since the deformed portion 12t is formed over the entire circumference of the through hole 12h, the end ring 114 cannot pass through the deformed portion 12t of the through hole 12, so that the terminal screw 11 is dropped from the through hole 12h of the holding fitting 12. It can be held so as not to come off.

上記の変形部12tは、貫通孔12hに端子ねじ11が挿入されてからカシメ加工によって形成されるが、そのカシメ加工について以下で説明する。   The deformed portion 12t is formed by caulking after the terminal screw 11 is inserted into the through hole 12h. The caulking will be described below.

図10は、図8に対応しており、端子ねじ11が貫通孔12hに挿入された直後の様子を示す部分断面図である。また、図11は、図10中の破線部Cb付近を拡大した図である。   FIG. 10 corresponds to FIG. 8 and is a partial cross-sectional view showing a state immediately after the terminal screw 11 is inserted into the through hole 12h. FIG. 11 is an enlarged view of the vicinity of the broken line portion Cb in FIG.

端子ねじ11が貫通孔12hに嵌挿された直後でカシメ加工前の保持金具(以下では「カシメ加工前の保持金具」ともいう)12では、上板部12aの下面における貫通孔12hの開口Kd周辺に、図12のように円環状の溝Gb(平行斜線部)が形成されており、その断面は図11のように頂角60°(=30°+30°)を有する正三角形の断面となっている。すなわち、貫通孔12hの中心軸Ac(図10)を含んだ平面に関する溝Gbの断面形状は、三角形となっている。   Immediately after the terminal screw 11 is inserted into the through hole 12h, the holding metal fitting 12 before crimping (hereinafter, also referred to as “pre-caulking metal fitting”) 12 has an opening Kd of the through hole 12h on the lower surface of the upper plate portion 12a. An annular groove Gb (parallel oblique line) is formed in the periphery as shown in FIG. 12, and the cross section is a regular triangular cross section having an apex angle of 60 ° (= 30 ° + 30 °) as shown in FIG. It has become. That is, the cross-sectional shape of the groove Gb with respect to the plane including the central axis Ac (FIG. 10) of the through hole 12h is a triangle.

また、カシメ加工前の保持金具12では、ねじ山部112の最大径Ds(図8参照)より大きい直径Dhを有する円柱状の貫通孔12hが形成されている。   Further, in the holding metal fitting 12 before caulking, a cylindrical through hole 12h having a diameter Dh larger than the maximum diameter Ds (see FIG. 8) of the thread portion 112 is formed.

以上のようなカシメ加工前の保持金具12に対しては、カシメ工具であるカシメパンチ20の尖端20a(図11)を貫通孔12hの中心軸Acに平行な方向Hdに移動させてV字状の溝Gbに押し込むカシメ加工を施すことにより、溝Gbと貫通孔12hとに挟まれた部分12jが下側の開口Kdの中央部に向かう方向(剪断方向)Ftに傾くように変形し、図9に示すようにカシメパンチ20の尖端20aで押し拡げられた溝Gaの断面形状となって変形部12tが形成される。このカシメパンチ20の尖端20aの角度は、例えば80°(カシメパンチ20の尖端20aが移動する方向Hdに関して端子ねじ11に近づく方向に50°と端子ねじ11から離れる方向に30°)となっている。このようにカシメパンチ20がカシメ加工前の溝Gbの開口角度60°より大きい角度となる尖端20aを有しているため、溝Gbを貫通孔12h側に容易に押し拡げることが可能となる。   For the holding fitting 12 before caulking as described above, the tip 20a (FIG. 11) of the caulking punch 20 that is a caulking tool is moved in a direction Hd parallel to the central axis Ac of the through hole 12h to form a V-shape. By caulking into the groove Gb, the portion 12j sandwiched between the groove Gb and the through hole 12h is deformed so as to incline in the direction (shear direction) Ft toward the center of the lower opening Kd. As shown in FIG. 2, the deformed portion 12t is formed in the cross-sectional shape of the groove Ga pushed and expanded at the tip 20a of the caulking punch 20. The angle of the tip 20a of the crimping punch 20 is, for example, 80 ° (50 ° toward the terminal screw 11 and 30 ° away from the terminal screw 11 with respect to the direction Hd in which the tip 20a of the crimping punch 20 moves). As described above, since the crimping punch 20 has the tip 20a having an opening angle larger than 60 ° of the groove Gb before crimping, the groove Gb can be easily expanded toward the through hole 12h.

このようなカシメ加工により、端子ねじ11が貫通孔12hから落脱せずに保持金具12で保持できることとなる。   By such caulking, the terminal screw 11 can be held by the holding metal fitting 12 without falling off from the through hole 12h.

次に、上述したカシメ加工を行って端子ねじ付き金具SCを製造する製造装置を説明する。   Next, a manufacturing apparatus that manufactures the fitting SC with terminal screws by performing the above-described crimping process will be described.

<端子ねじ付き金具SCの製造装置>
図13は、端子ねじ付き金具SCを製造する製造装置2の外観構成を示す図である。
<Manufacturing equipment for metal fittings SC with terminal screw>
FIG. 13 is a diagram showing an external configuration of the manufacturing apparatus 2 that manufactures the metal fitting SC with terminal screws.

製造装置2は、2つのパーツフィーダ21と、ねじ挿入ユニット22と、プレスユニット23と、移送ユニット24とを備えている。   The manufacturing apparatus 2 includes two parts feeders 21, a screw insertion unit 22, a press unit 23, and a transfer unit 24.

2つのパーツフィーダー21は、カシメ加工前の保持金具12を製造装置2に供給するための金具用パーツフィーダー211と、端子ねじ11を製造装置2に供給するためのねじ用パーツフィーダー212からなっている。金具用パーツフィーダ211は、その先端に設けられた開口部(エスケープ部)211aに保持金具12を1個ずつ矢印Faに沿って送ることが可能である。同様に、ねじ用パーツフィーダ212も、その先端に設けられた開口部(エスケープ部)212aに端子ねじ11を1個ずつ矢印Fbに沿って送ることが可能である。   The two parts feeders 21 include a metal parts feeder 211 for supplying the holding metal 12 before caulking to the manufacturing apparatus 2, and a screw parts feeder 212 for supplying the terminal screw 11 to the manufacturing apparatus 2. Yes. The metal parts feeder 211 can send the holding metal parts 12 one by one along the arrow Fa to an opening (escape part) 211a provided at the tip thereof. Similarly, the screw parts feeder 212 can also feed the terminal screws 11 one by one along the arrow Fb to an opening (escape portion) 212a provided at the tip thereof.

ねじ挿入ユニット22は、チャック部221と、チャック部221を前後方向および上下方向に移動させる移動機構部222とを備えている。このようなねじ挿入ユニット22により、端子ねじ11を保持金具12の貫通孔12hに挿入することが可能となる。   The screw insertion unit 22 includes a chuck portion 221 and a moving mechanism portion 222 that moves the chuck portion 221 in the front-rear direction and the up-down direction. With such a screw insertion unit 22, the terminal screw 11 can be inserted into the through hole 12 h of the holding metal 12.

プレスユニット23は、図11に示す断面形状の尖端20aが図14の平行斜線部のように円環状に形成されたカシメパンチ20を有している。このようなプレスユニット23において例えば油圧や空気圧によりカシメパンチ20を上述した溝Gb(図12)に差し込むプレス動作を行うことで、貫通孔12hの全周にわたって形成された円環状の溝Gbを貫通孔12h側に押し拡げるカシメ加工(全周カシメ)が可能となる。なお、プレスユニット23は、図14に示すカシメパンチ20を1つ有しており、1回のプレス動作で1個のカシメ加工を行える。   The press unit 23 has a caulking punch 20 in which a pointed end 20a having a cross-sectional shape shown in FIG. 11 is formed in an annular shape like a parallel oblique line portion in FIG. In such a press unit 23, for example, by pressing the caulking punch 20 into the above-described groove Gb (FIG. 12) by hydraulic pressure or air pressure, the annular groove Gb formed over the entire circumference of the through-hole 12h is passed through the through-hole. The caulking process (full caulking) that expands to the 12h side becomes possible. Note that the press unit 23 has one caulking punch 20 shown in FIG. 14, and can perform one caulking process by one press operation.

移送ユニット24は、その上端にチャック部241が設けられている。このチャック部241では保持金具12等を把持することが可能で、把持された保持金具12等を矢印Fcの方向に移送できる。   The transfer unit 24 is provided with a chuck portion 241 at its upper end. The chuck portion 241 can grip the holding fitting 12 and the like, and can move the held holding fitting 12 and the like in the direction of the arrow Fc.

以上で説明した製造装置2の各部は、製造装置2に設けられた制御部(不図示)によって統括的に制御される。これにより、パーツフィーダ21に端子ねじ11およびカシメ加工前の保持金具12を供給すれば、製造装置2で自動的に端子ねじ付き金具SCの製造が行える。   Each part of the manufacturing apparatus 2 described above is comprehensively controlled by a control unit (not shown) provided in the manufacturing apparatus 2. Thereby, if the terminal screw 11 and the holding metal fitting 12 before caulking are supplied to the parts feeder 21, the manufacturing apparatus 2 can automatically manufacture the metal fitting SC with the terminal screw.

次に、製造装置2の具体的な動作を説明する。   Next, a specific operation of the manufacturing apparatus 2 will be described.

<製造装置2の動作>
図15は、製造装置2の基本的な動作を示すフローチャートである。なお、以下で説明する製造装置2の動作を行う前には、カシメ加工前の保持金具12と端子ねじ11とが準備される。ここで、準備される保持金具12には、保持金具12自身を製造する過程でプレス加工等によって事前に図10に示す溝Gbが形成されている。
<Operation of Manufacturing Apparatus 2>
FIG. 15 is a flowchart showing the basic operation of the manufacturing apparatus 2. In addition, before performing the operation | movement of the manufacturing apparatus 2 demonstrated below, the holding metal fitting 12 and the terminal screw 11 before a crimping process are prepared. Here, in the holding metal fitting 12 to be prepared, a groove Gb shown in FIG. 10 is formed in advance by press working or the like in the process of manufacturing the holding metal fitting 12 itself.

まず、カシメ加工前の保持金具12と端子ねじ11(図5)とがパーツフィーダー21に供給されると、保持金具12と端子ねじ11とがエスケープ部211a、212aに移送される(ステップS1)。   First, when the holding metal fitting 12 and the terminal screw 11 (FIG. 5) before caulking are supplied to the parts feeder 21, the holding metal fitting 12 and the terminal screw 11 are transferred to the escape portions 211a and 212a (step S1). .

ステップS2では、エスケープ部211a、212aに送られた保持金具12と端子ねじ11とにおいて、エンドリング114が貫通孔12hの内部を通って下側の開口Kd(図7)から出るように端子ねじ11を保持金具12の貫通孔12hに挿入する。具体的には、まず、ねじ挿入ユニット22のチャック部221でエスケープ部211aの保持金具12を把持して移送ユニット24まで移動させ、そのチャック部241で保持金具12を把持させる。次に、ねじ挿入ユニット22のチャック部221でエスケープ部212aの端子ねじ11を把持して移送ユニット24まで移動させ、そのチャック部241で把持されている保持金具12の貫通孔12hに端子ねじ11を差し込む。   In step S2, in the holding metal fitting 12 and the terminal screw 11 sent to the escape portions 211a and 212a, the terminal screw 114 passes through the inside of the through hole 12h so that the terminal ring 114 exits from the lower opening Kd (FIG. 7). 11 is inserted into the through-hole 12 h of the holding metal 12. Specifically, first, the holding bracket 12 of the escape portion 211 a is gripped by the chuck portion 221 of the screw insertion unit 22 and moved to the transfer unit 24, and the holding bracket 12 is gripped by the chuck portion 241. Next, the terminal screw 11 of the escape portion 212 a is held by the chuck portion 221 of the screw insertion unit 22 and moved to the transfer unit 24, and the terminal screw 11 is inserted into the through hole 12 h of the holding fitting 12 held by the chuck portion 241. Plug in.

ステップS3では、ステップS2で端子ねじ11が挿入された保持金具12に対して、プレスユニット23によりカシメ加工を行う。具体的には、端子ねじ11が挿入された保持金具12を移送ユニット24を用いてプレスユニット23に移送し、プレスユニット23に設けられたカシメパンチ20の尖端20aを図11のように保持金具12の溝Gbに差し込み溝Gbを貫通孔12h側に押し拡げて溝の開口領域を拡大させるプレス動作を実行する。これにより、溝Gbと貫通孔12hとに挟まれた保持金具12の部分12j(図11)を貫通孔12hの下側の開口Kdの中央部に向かう方向に傾ける加工が施されることとなる。その結果、図9に示す変形部12tが形成されるため、端子ねじ11のエンドリング114が貫通孔12hの下側の開口Kdを通過できなくなり、端子ねじ11を貫通孔12hから落脱しないように保持させることが可能となる。   In step S3, crimping is performed by the press unit 23 on the holding metal fitting 12 into which the terminal screw 11 has been inserted in step S2. Specifically, the holding metal fitting 12 into which the terminal screw 11 is inserted is transferred to the press unit 23 by using the transfer unit 24, and the pointed end 20a of the caulking punch 20 provided in the press unit 23 is held as shown in FIG. The pressing operation is performed to expand the opening area of the groove by pushing the groove Gb into the groove Gb and expanding the groove Gb toward the through hole 12h. Thereby, the process which inclines the part 12j (FIG. 11) of the holding | maintenance metal fitting 12 pinched | interposed into the groove | channel Gb and the through-hole 12h toward the center part of the opening Kd below the through-hole 12h will be performed. . As a result, since the deformed portion 12t shown in FIG. 9 is formed, the end ring 114 of the terminal screw 11 cannot pass through the lower opening Kd of the through hole 12h, so that the terminal screw 11 does not fall out of the through hole 12h. It is possible to hold it.

なお、ステップS3でカシメ加工されることにより製造された端子ねじ付き金具SCは、例えば移送ユニット24を用いて図13の矢印Fcの方向にプレスユニット23から排出される。   Note that the terminal-threaded metal fitting SC manufactured by crimping in step S3 is discharged from the press unit 23 in the direction of the arrow Fc in FIG.

以上のような動作を行う製造装置2では、端子ねじ11が挿入された保持金具12の溝Gbをカシメパンチ20によるプレス動作で貫通孔12h側に押し拡げることによりカシメ加工が行われるため、プレスによる押圧力が直接的にカシメ加工に反映される。その結果、比較的小さい力でカシメ加工を行えることとなり、プレス動作によって生じるばね座金119の変形も抑えられる。   In the manufacturing apparatus 2 that performs the operation as described above, the groove Gb of the holding metal fitting 12 in which the terminal screw 11 is inserted is pressed and expanded to the side of the through-hole 12h by the press operation by the caulking punch 20, so The pressing force is directly reflected in the caulking process. As a result, crimping can be performed with a relatively small force, and deformation of the spring washer 119 caused by the pressing operation can be suppressed.

また、図18に示す4箇所91〜94でのカシメのように貫通孔の周囲における部分的なカシメ(部分カシメ)しか行えなかった従来のカシメ加工に対して、本実施形態のカシメ加工では比較的小さい加工力によるカシメが可能であるため、貫通孔12hの全周のカシメ(全周カシメ)が可能となる。この全周カシメにより、端子ねじ11の貫通孔12hからの落脱を効果的に防止できるとともに、貫通孔12hの中心軸Ac(図4)に対して端子ねじ11が傾くのを抑制できる。   In addition, compared with the conventional caulking process in which only partial caulking (partial caulking) around the through hole can be performed as in caulking at four locations 91 to 94 shown in FIG. Since it is possible to caulk with a small processing force, caulking of the entire circumference of the through hole 12h (full caulking) is possible. By this all-around caulking, it is possible to effectively prevent the terminal screw 11 from falling off from the through hole 12h, and it is possible to suppress the terminal screw 11 from being inclined with respect to the central axis Ac (FIG. 4) of the through hole 12h.

<変形例>
・上記の実施形態におけるカシメ加工前の保持金具については、図12に示すように貫通孔12hの全周において完全なリング状の溝Gbが設けられるのは必須でなく、図16(a)に示すように貫通孔12hの周囲において2つの円弧状のV溝Gc、Gd(平行斜線部)が設けられても良い。また、貫通孔12hの周囲における4箇所に溝G1〜G4(平行斜線部)が設けられるようにしても良い。このような図16(a)および図16(b)の溝Gc〜d、G1〜4によれば、全周カシメを行えないものの、カシメに必要な加工力を低減できる。
<Modification>
For the holding metal fittings before caulking in the above embodiment, it is not essential that a complete ring-shaped groove Gb is provided on the entire circumference of the through hole 12h as shown in FIG. As shown, two arcuate V-grooves Gc and Gd (parallel oblique line portions) may be provided around the through-hole 12h. Further, grooves G1 to G4 (parallel oblique line portions) may be provided at four locations around the through hole 12h. According to such grooves Gc to d and G1 to G4 in FIGS. 16A and 16B, although the entire circumference cannot be caulked, the machining force necessary for caulking can be reduced.

・上記の実施形態におけるカシメ加工前の保持金具については、図11に示すような正三角形の断面を有した溝Gbが形成されるのは必須でなく、図17(a)に示す二等辺三角形の断面を有した溝Gpや、図17(b)に示す直角三角形の断面を有した溝Gq、図17(c)に示す台形状の断面を有した溝Grが形成されても良い。このような場合でも、溝の開口角度より大きい角度の尖端を有するカシメパンチにより溝Gp〜Grを貫通孔側に押し拡げることで、端子ねじを保持金具の貫通孔から落脱しないように保持させることが可能である。   In the above-described holding metal fitting before caulking, it is not essential to form the groove Gb having an equilateral triangular cross section as shown in FIG. 11, but isosceles triangle shown in FIG. A groove Gp having a cross section of FIG. 17, a groove Gq having a right triangle cross section shown in FIG. 17B, or a groove Gr having a trapezoidal cross section shown in FIG. 17C may be formed. Even in such a case, the terminal screws can be held so as not to fall out of the through holes of the holding metal fittings by pushing the grooves Gp to Gr to the through hole side by a caulking punch having a sharp tip larger than the opening angle of the groove. Is possible.

・上記の実施形態においては、プレスユニット23によってカシメ加工を行うのは必須でなく、人力によってカシメ加工を行うようにしても良い。従来のカシメ加工では比較的大きな加工力が必要であったため油圧や空気圧を利用した装置を使用しなければならなかったが、上述した本実施形態のカシメ加工においては、比較的小さな力でカシメ加工を行えるため手動によるカシメ加工が可能である。   In the above embodiment, it is not essential to perform the caulking process by the press unit 23, and the caulking process may be performed manually. Since the conventional caulking process requires a relatively large machining force, an apparatus using hydraulic pressure or air pressure has to be used. However, in the caulking process of the above-described embodiment, the caulking process is performed with a relatively small force. Therefore, manual caulking is possible.

・本発明における端子ねじ等の雄ねじの保持方法については、端子台における端子ねじの保持に限らず、例えば押ボタンスイッチ等のスイッチや制御機器における端子ねじ等の雄ねじの保持に適用することも可能である。   -The method of holding the male screw such as the terminal screw in the present invention is not limited to holding the terminal screw in the terminal block, but can also be applied to holding a male screw such as a terminal screw in a switch such as a pushbutton switch or a control device. It is.

本発明の実施形態に係る端子台1の要部構成を示す斜視図である。It is a perspective view which shows the principal part structure of the terminal block 1 which concerns on embodiment of this invention. 端子台1の要部構成を示す正面図である。2 is a front view showing a configuration of a main part of the terminal block 1. FIG. 端子台1が多数整列した中継端子台100の構成を示す斜視図である。It is a perspective view which shows the structure of the relay terminal block 100 in which many terminal blocks 1 were arranged. 端子ねじ付き金具SCの構成を示す図である。It is a figure which shows the structure of metal fitting SC with a terminal screw. 端子ねじ11の構成を示す図である。FIG. 3 is a view showing a configuration of a terminal screw 11. 保持金具12の構成を示す図である。FIG. 3 is a diagram illustrating a configuration of a holding metal fitting 12. 保持金具12の構成を示す図である。FIG. 3 is a diagram illustrating a configuration of a holding metal fitting 12. 図4のVIII−VIII位置から見た部分断面図である。It is the fragmentary sectional view seen from the VIII-VIII position of FIG. 図8中の破線部Ca付近を拡大した図である。It is the figure which expanded the broken-line part Ca vicinity in FIG. 端子ねじ11が貫通孔12hに挿入された直後の様子を示す部分断面図である。It is a fragmentary sectional view which shows a mode immediately after the terminal screw 11 was inserted in 12h of through-holes. 図10中の破線部Cb付近を拡大した図である。It is the figure which expanded the broken-line part Cb vicinity in FIG. カシメ加工前の保持金具12に形成された円環状の溝Gbを説明するための図である。It is a figure for demonstrating the annular groove | channel Gb formed in the holding | maintenance metal fitting 12 before crimping. 端子ねじ付き金具SCを製造する製造装置2の外観構成を示す図である。It is a figure which shows the external appearance structure of the manufacturing apparatus 2 which manufactures the metal fitting SC with a terminal screw. カシメパンチ20における円環状の尖端20aを説明するための図である。FIG. 5 is a view for explaining an annular tip 20a in the caulking punch 20; 製造装置2の基本的な動作を示すフローチャートである。3 is a flowchart showing a basic operation of the manufacturing apparatus 2. 本発明の変形例に係る貫通孔12h周辺の溝Gc、Gd、G1〜G4を示す図である。It is a figure which shows the groove | channels Gc, Gd, and G1-G4 around the through-hole 12h which concern on the modification of this invention. 本発明の変形例に係る溝Gp〜Grの断面形状を説明するための図である。It is a figure for demonstrating the cross-sectional shape of the groove | channels Gp-Gr which concerns on the modification of this invention. 従来技術に係るカシメ加工を説明するための図である。It is a figure for demonstrating the crimping process which concerns on a prior art.

符号の説明Explanation of symbols

1 端子台
2 製造装置
11 端子ねじ
12 保持金具
12a 上板部
12h 貫通孔
12t 変形部
20 カシメパンチ
20a カシメパンチの尖端
21 パーツフィーダー
22 ねじ挿入ユニット
23 プレスユニット
111 ねじ頭
112 ねじ山部
113 ねじ首
114 エンドリング
119 ばね座金
De エンドリングの最大径
Dn ねじ首の直径
Dt 貫通孔における最小径
Ga カシメ加工後の溝
Gb〜Gd、Gp〜Gr、G1〜G4 カシメ加工前の溝
SC 端子ねじ付き金具
DESCRIPTION OF SYMBOLS 1 Terminal block 2 Manufacturing apparatus 11 Terminal screw 12 Holding metal fitting 12a Upper board part 12h Through-hole 12t Deformation part 20 Caulking punch 20a The point 21 of a caulking punch Part feeder 22 Screw insertion unit 23 Press unit 111 Screw head 112 Screw thread part 113 Screw neck 114 End Ring 119 Spring washer De End ring maximum diameter Dn Screw neck diameter Dt Minimum diameter Ga in through hole Groove Gb to Gd, Gp to Gr, G1 to G4 Groove before crimping SC terminal metal fitting

Claims (10)

ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する雄ねじを、金具に設けられた貫通孔に保持する方法であって、
(a)前記金具において前記貫通孔に係る一方の開口の縁近傍に所定の溝を形成する溝形成工程と、
(b)前記特定の部位が前記貫通孔内を通って前記一方の開口から出るように、前記雄ねじを前記貫通孔に挿入する挿入工程と、
(c)前記挿入工程による雄ねじの挿入後に、前記所定の溝と前記貫通孔とに挟まれた金具の部分を前記一方の開口の中央部に向かう方向に傾ける加工を施す加工工程と、
を備え、
前記加工工程による加工により、前記特定の部位が前記一方の開口を通過できなくなることを特徴とする雄ねじの保持方法。
A method of holding a male screw having a specific part larger than the diameter of the screw neck in a section from a screw neck to a screw tip in a through hole provided in the metal fitting,
(a) a groove forming step of forming a predetermined groove in the vicinity of an edge of one opening of the through hole in the metal fitting;
(b) an insertion step of inserting the male screw into the through hole so that the specific portion passes through the through hole and exits from the one opening;
(c) After the insertion of the male screw in the insertion step, a processing step of performing a process of tilting a portion of the metal fitting sandwiched between the predetermined groove and the through hole in a direction toward the central portion of the one opening;
With
The male screw holding method, wherein the specific part cannot pass through the one opening due to the processing in the processing step.
請求項1に記載の雄ねじの保持方法において、
前記所定の溝は、前記一方の開口の縁に沿って形成される円環状の溝であることを特徴とする雄ねじの保持方法。
In the holding method of the external thread according to claim 1,
The method for holding a male screw, wherein the predetermined groove is an annular groove formed along an edge of the one opening.
請求項1または請求項2に記載の雄ねじの保持方法において、
前記特定の部位は、前記ねじ首とねじ山との間に設けられたエンドリングであることを特徴とする雄ねじの保持方法。
In the holding method of the external screw according to claim 1 or 2,
The specific part is an end ring provided between the screw neck and a screw thread.
請求項1ないし請求項3のいずれかに記載の雄ねじの保持方法において、
前記所定の溝は、前記貫通孔の中心軸を含んだ平面に係る断面の形状が三角形であることを特徴とする雄ねじの保持方法。
In the holding method of the external screw according to any one of claims 1 to 3,
The method for holding a male screw, wherein the predetermined groove has a triangular cross-sectional shape on a plane including the central axis of the through hole.
請求項1ないし請求項4のいずれかに記載の雄ねじの保持方法において、
前記加工工程は、
(c-1)前記所定の溝に工具の尖端を差し込み前記所定の溝を前記貫通孔側に押し拡げることにより、前記加工を施す工程、
を有することを特徴とする雄ねじの保持方法。
In the holding method of the external thread in any one of Claims 1 thru / or 4,
The processing step is
(c-1) inserting the tip of a tool into the predetermined groove, and performing the processing by pushing the predetermined groove toward the through hole,
A method for holding a male screw, comprising:
請求項1ないし請求項5のいずれかに記載の雄ねじの保持方法において、
前記金具は、前記貫通孔が形成された板状の部位と、前記板状の部位から前記貫通孔の中心軸に沿って伸びる部位とを有していることを特徴とする雄ねじの保持方法。
In the holding method of the external thread in any one of Claims 1 thru / or 5,
The metal fitting has a plate-like part in which the through-hole is formed and a part extending from the plate-like part along the central axis of the through-hole.
ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する端子ねじが付いた金具であって、
前記端子ねじのねじ首が挿通された貫通孔を有し、
前記貫通孔に係る前記ねじ先端側の開口の縁近傍に所定の溝が形成されているとともに、当該所定の溝近傍における前記貫通孔の内壁面は、前記ねじ先端側の開口の中央部に向かう方向に傾いた形状を有しており、
前記傾いた形状により、前記特定の部位が前記ねじ先端側の開口を通過できないことを特徴とする端子ねじ付き金具。
A fitting with a terminal screw having a specific part larger than the diameter of the screw neck in a section from the screw neck to the screw tip,
Having a through hole through which the screw neck of the terminal screw is inserted;
A predetermined groove is formed in the vicinity of the edge of the opening on the screw tip side of the through hole, and the inner wall surface of the through hole in the vicinity of the predetermined groove is directed to the center of the opening on the screw tip side. It has a shape inclined in the direction,
A metal fitting with a terminal screw, wherein the specific portion cannot pass through the opening on the screw tip side due to the inclined shape.
請求項7に記載の端子ねじ付き金具を備えた端子台装置。   The terminal block apparatus provided with the metal fitting with a terminal screw of Claim 7. ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する端子ねじが付いた金具を製造する方法であって、
(a)前記端子ねじを保持するための貫通孔に係る一方の開口の縁近傍に所定の溝が形成された金具を準備する準備工程と、
(b)前記特定の部位が前記貫通孔内を通って前記一方の開口から出るように、前記端子ねじを前記貫通孔に挿入する挿入工程と、
(c)前記挿入工程による端子ねじの挿入後に、前記所定の溝と前記貫通孔とに挟まれた金具の部分を前記一方の開口の中央部に向かう方向に傾ける加工を施す加工工程と、
を備え、
前記加工工程による加工により、前記特定の部位が前記一方の開口を通過できなくなることを特徴とする端子ねじ付き金具の製造方法。
A method of manufacturing a metal fitting with a terminal screw having a specific part larger than the diameter of the screw neck in a section from a screw neck to a screw tip,
(a) a preparation step of preparing a metal fitting in which a predetermined groove is formed in the vicinity of the edge of one opening related to the through hole for holding the terminal screw;
(b) an insertion step of inserting the terminal screw into the through hole so that the specific portion passes through the through hole and exits from the one opening;
(c) After the insertion of the terminal screw in the insertion step, a processing step of performing a process of inclining a portion of the metal fitting sandwiched between the predetermined groove and the through hole in a direction toward the central portion of the one opening;
With
The manufacturing method of the metal fitting with a terminal screw, wherein the specific part cannot pass through the one opening by the processing in the processing step.
ねじ首からねじ先端までの区間において前記ねじ首の径より大きい特定の部位を有する端子ねじが付いた金具を製造する装置であって、
(a)前記特定の部位が前記金具に設けられた貫通孔の内部を通って前記一方の開口から出るように、前記端子ねじを前記貫通孔に挿入する挿入手段と、
(b)前記挿入手段による端子ねじの挿入後に、前記貫通孔に係るねじ先端側の開口の縁近傍に形成された所定の溝と前記貫通孔とに挟まれた金具の部分を前記ねじ先端側の開口の中央部に向かう方向に傾ける加工を施す加工手段と、
を備え、
前記加工手段による加工により、前記特定の部位が前記一方の開口を通過できなくなることを特徴とする端子ねじ付き金具の製造装置。
An apparatus for manufacturing a metal fitting with a terminal screw having a specific portion larger than the diameter of the screw neck in a section from a screw neck to a screw tip,
(a) an insertion means for inserting the terminal screw into the through hole so that the specific part passes through the inside of the through hole provided in the metal fitting and exits from the one opening;
(b) After the terminal screw is inserted by the insertion means, a portion of the metal fitting sandwiched between the predetermined groove formed in the vicinity of the opening of the screw tip side opening related to the through hole and the through hole is formed on the screw tip side. Processing means for applying a process of tilting in the direction toward the center of the opening,
With
An apparatus for manufacturing a metal fitting with a terminal screw, wherein the specific part cannot pass through the one opening due to the processing by the processing means.
JP2007156655A 2007-06-13 2007-06-13 Method for holding male screw, method for manufacturing metal fitting with terminal screw, and device for manufacturing metal fitting with terminal screw Expired - Fee Related JP5182847B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015216025A (en) * 2014-05-09 2015-12-03 テンパール工業株式会社 Washer built-in screw with terminal connection

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JP6678131B2 (en) * 2017-05-23 2020-04-08 株式会社オーティス Stopper connecting method, manufacturing method of pipe support using the stop connecting method, stop connecting structure, and pipe support having the stop connecting structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5533960A (en) * 1978-08-31 1980-03-10 Matsushita Electric Works Ltd Screw with metal cap
JPH06283249A (en) * 1993-03-25 1994-10-07 Ngk Spark Plug Co Ltd Gasket for spark plug
JPH10255883A (en) * 1997-03-14 1998-09-25 Kitazawa Denki Seisakusho:Kk Screw for terminal and terminal block device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5533960A (en) * 1978-08-31 1980-03-10 Matsushita Electric Works Ltd Screw with metal cap
JPH06283249A (en) * 1993-03-25 1994-10-07 Ngk Spark Plug Co Ltd Gasket for spark plug
JPH10255883A (en) * 1997-03-14 1998-09-25 Kitazawa Denki Seisakusho:Kk Screw for terminal and terminal block device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015216025A (en) * 2014-05-09 2015-12-03 テンパール工業株式会社 Washer built-in screw with terminal connection

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