JP3783148B2 - Conductor connection structure - Google Patents

Conductor connection structure Download PDF

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Publication number
JP3783148B2
JP3783148B2 JP21397097A JP21397097A JP3783148B2 JP 3783148 B2 JP3783148 B2 JP 3783148B2 JP 21397097 A JP21397097 A JP 21397097A JP 21397097 A JP21397097 A JP 21397097A JP 3783148 B2 JP3783148 B2 JP 3783148B2
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Prior art keywords
flat
conductor
terminal
flat portion
connection terminal
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JP21397097A
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JPH1140229A (en
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秀樹 北川
秀樹 斎藤
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Sumiden Transmission and Distribution Systems Products Corp
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Sumiden Transmission and Distribution Systems Products Corp
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Description

【０００１】
【発明の属する技術分野】
本発明は電力ケーブルやブスバーなどの導体を接続する構造と、この接続構造に用いる端子や導体に関するものである。
【０００２】
【従来の技術】
電力ケーブル端末の接続端子として図３，４記載のものが知られている。
図３の端子40はケーブル導体を挿入するスリーブ部41と、スリーブ部41と一体の平面部42を具えるものである。平面部42は矩形状で、２つのボルト孔43が形成されている。この端子40による接続は、一方のケーブル導体をスリーブ部41に挿入して圧着すると共に、他方のケーブルにも同様の端子40を取り付け、各端子の平面部42同士を当接し、ボルト孔43にボルトを挿入してナットで締め付けることで行う。この接続構造は２本のボルトで締め付けることで、各平面部42が相対的に回転してボルトが緩むことを抑制している。
【０００３】
図４の端子50もスリーブ部51と矩形の平面部52とを具え、同様の端子を合わせてボルトで締め付ける点で図３の端子と共通しているが、この端子50は１本のボルトで締め付けを行うことができる。すなわち、スリーブ部51から平面部52への移行部53を平面状に形成して、この移行部53に相手端子の平面部先端を当接させることで平面部52の相対的な回転を防止しているのである。
【０００４】
【発明が解決しようとする課題】
しかし、図３の接続構造では端子40の接続に２本のボルトを用いなければならず、部品数が多くなることに伴ってボルトの締め付け作業も２本分行わなければならない。
【０００５】
また、図４の接続構造は１本のボルトで接続できるが、平面部52の合わせる向きを特定しなければならない。つまり、各端子の平面部の下面54同士を当接しても平面部52の先端を移行部53に当接することができず、回転を防止することができない。そのため、一方の端子における平面部の下面を他方の端子における平面部の上面に当接するように平面部の合わせる向きを確認する必要があり作業性の点で好ましくない。さらに、図４の接続構造では、端子50の平面部先端にある程度以上の幅がないと平面部同士の回転を確実に抑制することが難しい。
【０００６】
従って、本発明の主目的は、１本のボルトで接続でき、かつ作業性よく形成できる導体の接続構造と、この接続構造に用いる端子や導体を提供することにある。
【０００７】
【課題を解決するための手段】
本発明接続構造は上記の目的を達成するもので、その特徴は、一方の導体端部に形成される平面部と他方の導体端部に形成される平面部とを合わせ、各平面部に形成された単一のボルト孔にボルトを貫通して両平面部を締め付ける導体の接続構造において、前記一方の平面部は凸部を有し、前記他方の平面部は前記凸部が係合する凹部を有することにある。
【０００８】
ここで、導体は導線の場合の他、ブスバーやバスダクト導体等のように平板状の場合も挙げられる。導体が導線の場合、各導線の端部に端子を設け、この端子は導線に接続されるスリーブ部と、スリーブ部と一体の平面部とで構成すればよい。また、導体が平板状の場合、各導体の端部自体を平面部とすればよい。
【０００９】
さらに、導体が導線の場合に用いる一方の端子は、導体が挿入されるスリーブ部と、スリーブ部と一体の平面部とを具える導体の接続端子において、前記平面部は１つのボルト孔と、相手端子の平面部の凸部に係合する凹部とを有することを特徴とする。また、この一方の端子に対応する他方の端子は、同様の接続端子において、平面部は１つのボルト孔と、相手端子の平面部の凹部に係合する凸部とを有することを特徴とする。これらの端子のスリーブ部には、ストレスコーン等のゴムモールド部品を一体化してもよい。
【００１０】
そして、前記の接続構造に用いる平板状の導体は、その端部に、単一のボルト孔と、接続される相手導体の凹部または凸部に係合する凸部または凹部を有することを特徴とする。
【００１１】
【発明の実施の形態】
以下、本発明の実施の形態を説明する。
図１は本発明接続構造の分解斜視図である。この接続構造にはケーブルの導線が挿入されるスリーブ部11,21 と、スリーブ部11,21 と一体の平面部12,22 を有する端子10,20 を用いる。
【００１２】
この端子10,20 のスリーブ部11,21 はケーブルの導線が挿入されて圧着される筒状のもので、このスリーブ部11,21 と一体に矩形の平面部12,22 が形成されている。平面部11,22 は例えばパイプの端部をプレスして形成すればよい。
【００１３】
ここで、各端子の平面部12,22 には１つのボルト孔13,23 が形成され、一方の端子の平面部12には凸部14が、他方の端子の平面部22にはこの凸部14に係合する凹部24が形成されている。本例では、一方の端子10において、平面部先端中央の切片を下面側（平面部12,22 に対してスリーブ部11,21 が突出する側を上面とする）に折り曲げて凸部14を形成し、他方の端子20において、ボルト孔23とスリーブ部21との間に前記凸部14が嵌合する矩形孔を形成して凹部24とした。凸部14と凹部24の形状や大きさは特に限定されない。
【００１４】
このような端子10,20 を用いたケーブル接続部の組立は、まずケーブル端末の導線に各端子のスリーブ部11,21 を外嵌して圧着しておく。次に一方の端子10の下面を他方の端子20の上面に合わせ、互いのボルト孔13,23 を位置合わせすると共に、凸部14を凹部24にはめ込む。そして、ボルト孔13,23 にボルト30を差し込み、このボルト30の先端にナット31を螺合して締め付ける。本例ではボルト頭部と平面部22との間およびナット31と平面部12との間に平ワッシャ32,33 またはスプリングワッシャ34を用いた。
【００１５】
このような接続構造により、１本のボルトによる締め付けであっても各平面部12,22 は凸部14と凹部24との係合により相対的に回転することがなく、ボルト30の緩みを抑制することができる。特に、平面部12,22 の幅が狭い場合でも凸部14と凹部24との係合により確実に端子同士の回転を抑制できる。
【００１６】
また、この接続端子を用いれば、図２に示すように、図１とは逆向きに平面部を合わせても接続することができる。すなわち、一方の端子10における平面部12の下面に他方の端子20における平面部22の下面を合わせてボルト30で締め付けてもよい。図１の接続構造では接続される両ケーブルが同軸状に配置されるが、図２の構造では両ケーブルがずれて接続されることになる。一般に、図１の構造の方が接続部の厚さが小さいため好ましいが、接続場所によっては図２の構造の方が接続を行いやすい場合もあり、本発明端子を用いればいずれの接続構造も形成できる。従って、接続部の形成作業時に端子の合わせる向きを考慮する必要がなく作業性がよく、ケーブルの配線自由度も広がる。
【００１７】
上記の説明では、ケーブルの端末同士を接続する場合を例としたが、この他に導体が平板状の場合でも本発明接続構造を利用できる。例えば、裸導体バスダクトの導体同士を接続する場合、導体自体が平板状のため各導体の端部を平面部として用いればよく、端子を用いる必要はない。すなわち、各導体の端部（平面部）に一つのボルト孔と凹部または凸部を形成する。接続する際には、一方の平面部の凹部に他方の平面部の凸部を係合し、両平面部をボルトで貫通して締め付ければよい。
【００１８】
【発明の効果】
以上説明したように、本発明接続構造によれば、１本のボルトで端子が回転しないように接続できると共に、各導体を接合する向きも問わないため、接続時の作業性が良好で、ケーブル配線の自由度を高めることができる。
【００１９】
また、本発明端子あるいは導体は本発明の接続構造を形成するのに最適である。
【図面の簡単な説明】
【図１】本発明接続構造の分解斜視図である。
【図２】本発明端子を図１とは異なる向きに接合した状態を示す側面図である。
【図３】２本のボルトを用いる従来の接続端子の斜視図である。
【図４】１本のボルトを用いる従来の接続端子の斜視図である。
【符号の説明】
10,20,40,50 端子
11,21,41,51 スリーブ部
12,22,42,52 平面部
13,23,43 ボルト孔
14 凸部
24 凹部
30 ボルト
31 ナット
32,33 平ワッシャ
34 スプリングワッシャ
53 移行部
54 下面[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure for connecting conductors such as power cables and bus bars, and to terminals and conductors used in the connection structure.
[0002]
[Prior art]
3 and 4 are known as connection terminals of power cable terminals.
The terminal 40 in FIG. 3 includes a sleeve portion 41 into which the cable conductor is inserted, and a flat portion 42 integrated with the sleeve portion 41. The flat portion 42 is rectangular and has two bolt holes 43 formed therein. In connection with this terminal 40, one cable conductor is inserted into the sleeve portion 41 and crimped, and the same terminal 40 is attached to the other cable, the flat portions 42 of each terminal are brought into contact with each other, and the bolt holes 43 are connected. This is done by inserting bolts and tightening with nuts. In this connection structure, by tightening with two bolts, each flat portion 42 is relatively prevented from rotating relatively loosely.
[0003]
The terminal 50 in FIG. 4 also has a sleeve portion 51 and a rectangular flat portion 52, and is similar to the terminal in FIG. 3 in that similar terminals are combined and tightened with a bolt, but this terminal 50 is a single bolt. Tightening can be performed. That is, the transition part 53 from the sleeve part 51 to the flat part 52 is formed in a flat shape, and the flat part 52 of the mating terminal is brought into contact with the transition part 53 to prevent relative rotation of the flat part 52. -ing
[0004]
[Problems to be solved by the invention]
However, in the connection structure of FIG. 3, two bolts must be used to connect the terminals 40, and as the number of parts increases, two bolts must be tightened.
[0005]
In addition, although the connection structure of FIG. 4 can be connected by a single bolt, the direction in which the flat portion 52 is aligned must be specified. That is, even if the lower surfaces 54 of the flat portions of the terminals are brought into contact with each other, the tip of the flat portion 52 cannot be brought into contact with the transition portion 53, and rotation cannot be prevented. For this reason, it is necessary to confirm the direction of alignment of the planar portion so that the lower surface of the planar portion of one terminal is in contact with the upper surface of the planar portion of the other terminal, which is not preferable in terms of workability. Further, in the connection structure shown in FIG. 4, it is difficult to reliably suppress the rotation of the flat portions unless the tip of the flat portion of the terminal 50 has a certain width or more.
[0006]
Accordingly, a main object of the present invention is to provide a conductor connection structure that can be connected with a single bolt and can be formed with good workability, and a terminal and a conductor used in this connection structure.
[0007]
[Means for Solving the Problems]
The connecting structure of the present invention achieves the above-mentioned purpose, and the feature is that a flat part formed on one conductor end part and a flat part formed on the other conductor end part are combined and formed on each flat part. In a conductor connection structure in which a bolt is passed through a single bolt hole and the two flat portions are tightened, the one flat portion has a convex portion, and the other flat portion has a concave portion with which the convex portion engages. It is in having.
[0008]
Here, the conductor may be a conductive wire or a flat plate like a bus bar or a bus duct conductor. When the conductor is a conducting wire, a terminal is provided at the end of each conducting wire, and the terminal may be constituted by a sleeve portion connected to the conducting wire and a flat portion integrated with the sleeve portion. Moreover, when a conductor is flat form, what is necessary is just to let the edge part itself of each conductor be a plane part.
[0009]
Furthermore, one terminal used when the conductor is a conductor is a connection terminal of a conductor including a sleeve portion into which the conductor is inserted and a plane portion integral with the sleeve portion, and the plane portion includes one bolt hole, It has the recessed part engaged with the convex part of the plane part of a mating terminal, It is characterized by the above-mentioned. Further, the other terminal corresponding to the one terminal is a similar connection terminal, wherein the flat portion has one bolt hole and a convex portion that engages with the concave portion of the flat portion of the mating terminal. . A rubber mold component such as a stress cone may be integrated with the sleeve portions of these terminals.
[0010]
The flat conductor used in the connection structure has a single bolt hole and a convex portion or a concave portion that engages with the concave portion or the convex portion of the mating conductor to be connected. To do.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
FIG. 1 is an exploded perspective view of the connection structure of the present invention. In this connection structure, there are used sleeve portions 11 and 21 into which cable conductors are inserted, and terminals 10 and 20 having flat portions 12 and 22 integral with the sleeve portions 11 and 21.
[0012]
The sleeve portions 11 and 21 of the terminals 10 and 20 are cylindrical ones into which cable conductors are inserted and crimped, and rectangular flat portions 12 and 22 are formed integrally with the sleeve portions 11 and 21. The flat portions 11 and 22 may be formed, for example, by pressing an end portion of a pipe.
[0013]
Here, one bolt hole 13, 23 is formed in the flat portion 12, 22 of each terminal, the convex portion 14 is formed in the flat portion 12 of one terminal, and this convex portion is formed in the flat portion 22 of the other terminal. A recess 24 that engages 14 is formed. In this example, in one terminal 10, a section at the center of the flat surface tip is bent to the lower surface side (the surface on which the sleeve portions 11, 21 protrude from the flat surfaces 12, 22 is the upper surface) to form the convex portion 14. In the other terminal 20, a rectangular hole into which the convex portion 14 is fitted is formed between the bolt hole 23 and the sleeve portion 21 to form a concave portion 24. The shape and size of the convex portion 14 and the concave portion 24 are not particularly limited.
[0014]
In assembling the cable connecting portion using the terminals 10 and 20, first, the sleeve portions 11 and 21 of the respective terminals are externally fitted to the conductors of the cable terminals and are crimped. Next, the lower surface of one terminal 10 is aligned with the upper surface of the other terminal 20, the bolt holes 13 and 23 are aligned, and the convex portion 14 is fitted into the concave portion 24. Then, the bolt 30 is inserted into the bolt holes 13 and 23, and the nut 31 is screwed onto the tip of the bolt 30 and tightened. In this example, flat washers 32 and 33 or a spring washer 34 are used between the bolt head and the flat portion 22 and between the nut 31 and the flat portion 12.
[0015]
With such a connection structure, even when tightened with a single bolt, the flat surface portions 12 and 22 do not rotate relative to each other due to the engagement between the convex portion 14 and the concave portion 24, and the loosening of the bolt 30 is suppressed. can do. In particular, even when the width of the flat portions 12 and 22 is narrow, the rotation between the terminals can be reliably suppressed by the engagement between the convex portions 14 and the concave portions 24.
[0016]
Further, if this connection terminal is used, as shown in FIG. 2, it is possible to connect even if the plane portions are aligned in the opposite direction to FIG. That is, the lower surface of the flat surface portion 12 of the other terminal 20 may be aligned with the lower surface of the flat surface portion 12 of the one terminal 10 and tightened with the bolt 30. In the connection structure of FIG. 1, both cables to be connected are arranged coaxially, but in the structure of FIG. 2, both cables are shifted and connected. In general, the structure of FIG. 1 is preferable because the thickness of the connection portion is small. However, depending on the connection location, the structure of FIG. 2 may be easier to connect. Can be formed. Therefore, it is not necessary to consider the direction of terminal alignment during the forming operation of the connecting portion, and the workability is good, and the degree of freedom of cable wiring is also increased.
[0017]
In the above description, the case where the ends of the cable are connected to each other is taken as an example, but the connection structure of the present invention can be used even when the conductor is a flat plate. For example, when connecting conductors of bare conductor bus ducts, the conductors themselves are flat, and the end portions of the conductors may be used as flat portions, and terminals need not be used. That is, one bolt hole and a concave portion or a convex portion are formed at the end portion (planar portion) of each conductor. When connecting, the convex part of the other planar part is engaged with the concave part of one planar part, and both the planar parts may be penetrated with bolts and tightened.
[0018]
【The invention's effect】
As described above, according to the connection structure of the present invention, the terminal can be connected so as not to rotate with a single bolt, and the direction in which the conductors are joined is not limited. The degree of freedom of wiring can be increased.
[0019]
The terminal or conductor of the present invention is optimal for forming the connection structure of the present invention.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a connection structure of the present invention.
2 is a side view showing a state in which the terminal of the present invention is joined in a direction different from that in FIG. 1; FIG.
FIG. 3 is a perspective view of a conventional connection terminal using two bolts.
FIG. 4 is a perspective view of a conventional connection terminal using one bolt.
[Explanation of symbols]
10,20,40,50 terminals
11,21,41,51 Sleeve
12,22,42,52 Plane section
13,23,43 Bolt hole
14 Convex
24 recess
30 volts
31 Nut
32,33 flat washer
34 Spring washer
53 Migration Department
54 Bottom

Claims (4)

導体に接続されるスリーブ部およびスリーブ部と一体の平面部を有する１対の接続端子の一方の接続端子の平面部と他方の接続端子の平面部とを合わせ、各平面部に形成された単一のボルト孔にボルトを貫通して両平面部を締め付ける導体の接続構造において、
前記接続端子の平面部は、金属パイプの一端側をプレスすることで形成し、
前記一方の接続端子の平面部は凸部を有し、
前記他方の接続端子の平面部は前記凸部が係合する凹部を有し、
前記凸部は、平面部先端中央に切り込みを入れて形成した切片を平面部から突出するように折り曲げて形成し、
前記凹部は、平面部を貫通する孔で形成したことを特徴とする導体の接続構造。 A plane portion of one connection terminal of a pair of connection terminals having a sleeve portion connected to the conductor and a plane portion integral with the sleeve portion and the plane portion of the other connection terminal are combined to form a single unit formed on each plane portion. In the connection structure of the conductor that penetrates the bolt into one bolt hole and tightens both flat portions,
The flat portion of the connection terminal is formed by pressing one end side of the metal pipe,
The planar portion of the one connection terminal has a convex portion,
The flat surface portion of the other connection terminal has a concave portion with which the convex portion is engaged,
The convex portion is formed by bending a section formed by cutting into the center of the front end of the flat portion so as to protrude from the flat portion,
2. The conductor connection structure according to claim 1, wherein the recess is formed by a hole penetrating the flat portion. 導体が挿入されるスリーブ部と、スリーブ部と一体の平面部とを具える導体の接続端子において、
前記接続端子の平面部は、金属パイプの一端側をプレスして形成され、
前記平面部は１つのボルト孔と、相手端子の平面部の凸部に係合する凹部とを有し、
前記凸部は、平面部先端中央に切り込みを入れて形成した切片を平面部から突出するように折り曲げて形成し、
前記凹部は、平面部を貫通する孔で形成したことを特徴とする導体の接続端子。In the connection terminal of the conductor comprising a sleeve portion into which the conductor is inserted and a flat portion integral with the sleeve portion,
The flat portion of the connection terminal is formed by pressing one end side of a metal pipe,
The flat portion has one bolt hole and a concave portion that engages with the convex portion of the flat portion of the mating terminal,
The convex portion is formed by bending a section formed by cutting into the center of the front end of the flat portion so as to protrude from the flat portion,
The concave portion is formed by a hole penetrating the flat portion. 導体が挿入されるスリーブ部と、スリーブ部と一体の平面部とを具える導体の接続端子において、
前記接続端子の平面部は、金属パイプの一端側をプレスして形成され、
前記平面部は１つのボルト孔と、相手端子の平面部の凹部に係合する凸部とを有し、
前記凸部は、平面部先端中央に切り込みを入れて形成した切片を平面部から突出するように折り曲げて形成し、
前記凹部は、平面部を貫通する孔で形成したことを特徴とする導体の接続端子。In the connection terminal of the conductor comprising a sleeve portion into which the conductor is inserted and a flat portion integral with the sleeve portion,
The flat portion of the connection terminal is formed by pressing one end side of a metal pipe,
The flat portion has one bolt hole and a convex portion that engages with the concave portion of the flat portion of the mating terminal,
The convex portion is formed by bending a section formed by cutting into the center of the front end of the flat portion so as to protrude from the flat portion,
The concave portion is formed by a hole penetrating the flat portion. スリーブ部にゴムモールド部品を一体化したことを特徴とする請求項２または３記載の導体の接続端子。4. The conductor connection terminal according to claim 2 , wherein a rubber molded part is integrated with the sleeve portion.
JP21397097A 1997-07-23 1997-07-23 Conductor connection structure Expired - Lifetime JP3783148B2 (en)

Priority Applications (1)

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JP21397097A JP3783148B2 (en) 1997-07-23 1997-07-23 Conductor connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21397097A JP3783148B2 (en) 1997-07-23 1997-07-23 Conductor connection structure

Publications (2)

Publication Number Publication Date
JPH1140229A JPH1140229A (en) 1999-02-12
JP3783148B2 true JP3783148B2 (en) 2006-06-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP21397097A Expired - Lifetime JP3783148B2 (en) 1997-07-23 1997-07-23 Conductor connection structure

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JP (1) JP3783148B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101546900B (en) * 2008-03-25 2011-10-12 矢崎总业株式会社 Seal cover and method for manufacturing seal cover

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397953A (en) * 2003-01-31 2004-08-04 Ten47 Ltd Electrical cable jointing apparatus
KR100691432B1 (en) 2004-12-08 2007-03-09 정상술 Terminal Block Assembly
CN103986112B (en) * 2013-02-12 2017-03-01 株式会社维世佳 The connecting structure of power cable and insulating element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101546900B (en) * 2008-03-25 2011-10-12 矢崎总业株式会社 Seal cover and method for manufacturing seal cover

Also Published As

Publication number Publication date
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