JP7124503B2 - C-shaped sleeve - Google Patents

C-shaped sleeve Download PDF

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JP7124503B2
JP7124503B2 JP2018131360A JP2018131360A JP7124503B2 JP 7124503 B2 JP7124503 B2 JP 7124503B2 JP 2018131360 A JP2018131360 A JP 2018131360A JP 2018131360 A JP2018131360 A JP 2018131360A JP 7124503 B2 JP7124503 B2 JP 7124503B2
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wire
shaped sleeve
conductor portion
sleeve
projection
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JP2020009687A (en
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聡太郎 杉村
正一 平岡
和弘 平田
真一 西谷
雅己 水本
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Chugoku Electric Power Co Inc
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Chugoku Electric Power Co Inc
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Description

本発明は、複数の電線を並行状態で収容した状態で圧縮変形されることで、複数の電線を電気的且つ機械的に固定する電線接続用のＣ型スリーブに関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a C-shaped sleeve for wire connection that electrically and mechanically fixes a plurality of wires by being compressed and deformed while housing the wires in parallel.

電線接続用のＣ型スリーブは、複数の電線を収容した状態で圧縮工具により圧縮変形されることにより、複数の電線を電気的且つ機械的に固定する。Ｃ型スリーブは電線から過大な張力が加わらない部分に使用される部品である。Ｃ型スリーブは複数の電線として、例えば柱上の変圧器から引き出されている低圧側電線、低電圧を工場や住宅等の需要家の配電盤につながる引き込み線等を電気的に接続し、且つ機械的に固定する。 The C-shaped sleeve for wire connection electrically and mechanically fixes the wires by being compressed and deformed by a compression tool while containing the wires. A C-shaped sleeve is a component used in a portion where excessive tension is not applied from the electric wire. The C-shaped sleeve electrically connects a plurality of wires, such as a low-voltage side wire drawn from a pole-mounted transformer, a lead-in wire that connects a low-voltage switchboard of a consumer such as a factory or a house, and a machine. fixed.

特許文献１には、電線接続用のＣ型スリーブが開示されている。このＣ型スリーブは、大径の幹線と小径の２つの支線とを軸方向に並列に収容する。小径の２つの支線は、Ｃ型スリーブに形成された２つの凹溝に収容できるようになっている。Ｃ型スリーブでは、幹線と２つの支線とが収容された状態でＣ型スリーブを圧縮することで、大径の幹線と小径の２つの支線とを同時に圧着する。ここで、幹線と支線は例えば複数の金属線が撚り合わされることにより形成された撚り線である。 Patent Literature 1 discloses a C-shaped sleeve for wire connection. This C-shaped sleeve accommodates a large-diameter main line and two small-diameter branch lines in parallel in the axial direction. The two small-diameter branch lines can be accommodated in two grooves formed in the C-shaped sleeve. In the C-shaped sleeve, the large-diameter trunk line and the two small-diameter branch lines are crimped at the same time by compressing the C-shaped sleeve in a state in which the trunk line and the two branch lines are accommodated. Here, the main line and the branch line are twisted wires formed by twisting a plurality of metal wires, for example.

特開２００９－４８７７９公報Japanese Patent Application Laid-Open No. 2009-48779

特許文献１に記載のＣ型スリーブでは、大径の幹線と小径の２つの支線とを収容したＣ型スリーブを圧縮変形させることで、大径の幹線と小径の２つの支線とを同時に圧着する。しかし、合計３本の太さの異なる幹線と支線を同時に圧着しようとすると、３本の幹線と支線がＣ型スリーブから逃げようとして、互いに接触しながら軸方向にずれることがある。 In the C-shaped sleeve described in Patent Document 1, the large-diameter trunk line and the two small-diameter branch lines are simultaneously crimped by compressing and deforming the C-shaped sleeve that accommodates the large-diameter trunk line and the two small-diameter branch lines. . However, when trying to crimp a total of three main wires and branch wires with different thicknesses at the same time, the three main wires and branch wires try to escape from the C-shaped sleeve, and may be displaced in the axial direction while contacting each other.

幹線と支線が互いに接触しながらずれると、撚り線である３本の幹線と支線は、撚りの一部がほどけてしまうおそれがある。幹線と支線の撚りの一部がほどけてしまうと、通電時に規定された電流容量を賄えずに幹線と支線から熱を発生する虞がある。撚り線である幹線と支線を構成する金属線が１本でも浮いてしまうと、電気的な特性が低下するので、Ｃ型スリーブの圧縮ミスとなる。このため、Ｃ型スリーブを用いた複数本の幹線と支線の固定には、細心の注意を払う必要がある。 If the main line and the branch line are displaced while contacting each other, the three main lines and the branch line, which are twisted wires, may be untwisted. If a part of the twist between the main line and the branch line is untwisted, there is a risk that the main line and the branch line will not be able to cover the specified current capacity during energization, and heat will be generated from the main line and the branch line. If even one of the metal wires constituting the twisted trunk wire and the branch wire is lifted, the electrical characteristics are degraded, resulting in improper compression of the C-shaped sleeve. Therefore, it is necessary to pay close attention to fixing a plurality of trunk lines and branch lines using a C-shaped sleeve.

また、Ｃ型スリーブに設けられた電線を収容する空間には大きな余裕がないため、Ｃ型スリーブ内に複数本の電線を挿入した後に、さらに別の電線、例えば接地線を追加的に挿入する作業が大変面倒である。 In addition, since the space provided in the C-shaped sleeve for accommodating the wires does not have a large margin, after inserting a plurality of wires into the C-shaped sleeve, another wire such as a ground wire is additionally inserted. The work is very troublesome.

本発明は、上記に鑑みてなされたもので、その目的とするところは、Ｃ型スリーブの収容部に複数の電線を収容した後であっても、さらに追加の別の電線を電気的且つ機械的に、容易且つ確実に接続でき、圧縮ミスを防ぐことができるＣ型スリーブを提供することにある。 SUMMARY OF THE INVENTION The present invention has been made in view of the above, and an object of the present invention is to electrically and mechanically connect additional wires even after a plurality of wires have been accommodated in the accommodation portion of the C-shaped sleeve. A primary object of the present invention is to provide a C-shaped sleeve which can be easily and reliably connected and which can prevent miscompression.

上記課題を解消するために、本発明のＣ型スリーブは、複数の電線を並行状態で収容する収容部を有し、圧縮変形されることで前記複数の電線を電気的且つ機械的に固定する電線接続用のＣ型スリーブであって、前記Ｃ型スリーブの軸方向と交差する端面には、前記電線とは別の電線を接続する突起が設けられており、前記突起は、前記別の電線を挿入する中空部を有する中空部材であることを特徴とする。 In order to solve the above-mentioned problems, the C-shaped sleeve of the present invention has an accommodating portion that accommodates a plurality of electric wires in parallel, and is compressed and deformed to electrically and mechanically fix the electric wires. A C-shaped sleeve for wire connection, wherein a projection for connecting an electric wire different from the electric wire is provided on an end surface of the C-shaped sleeve that intersects with the axial direction, and the projection is connected to the other electric wire. characterized by being a hollow member having a hollow portion into which the is inserted .

本発明は、Ｃ型スリーブの収容部に複数の電線を収容した後であっても、さらに追加の別の電線を電気的且つ機械的に、容易且つ確実に接続でき、圧縮ミスを防ぐことができるＣ型スリーブを提供することができる。 According to the present invention, even after a plurality of electric wires are accommodated in the accommodating portion of the C-shaped sleeve, it is possible to electrically and mechanically easily and reliably connect additional electric wires and prevent compression errors. It is possible to provide a C-shaped sleeve that can be

本発明の一実施形態に係るＣ型スリーブ１０が設けられる電力設備の一例を示す模式図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram which shows an example of the electric power equipment in which the C-shaped sleeve 10 which concerns on one Embodiment of this invention is provided. 本発明の第１実施形態に係るＣ型スリーブ１０の外観形状を示す斜視図である。1 is a perspective view showing an external shape of a C-shaped sleeve 10 according to a first embodiment of the invention; FIG. 図２に示すＣ型スリーブ１０をＧ方向から見た側面図である。FIG. 3 is a side view of the C-shaped sleeve 10 shown in FIG. 2 as seen from the G direction; 突起３０と接地線５の接続構造例を示す図である。4 is a diagram showing an example of a connection structure between a projection 30 and a ground line 5; FIG. 本発明の第２実施形態に係るＣ型スリーブ１０Ａ及びその接続構造例を示す図である。10A and 10B are views showing an example of a connection structure of a C-shaped sleeve 10A according to a second embodiment of the present invention; FIG. 本発明の第３実施形態に係るＣ型スリーブ１０Ｂを示す斜視図である。FIG. 11 is a perspective view showing a C-shaped sleeve 10B according to a third embodiment of the invention; （ａ）（ｂ）は、本発明の第４実施形態に係るＣ型スリーブ１０Ｃ及びその接続構造例を示す図である。(a) and (b) are diagrams showing an example of a C-shaped sleeve 10C and its connection structure according to a fourth embodiment of the present invention. 本発明の第５実施形態に係るＣ型スリーブ１０Ｄ及びその接続構造例を示す図である。FIG. 11 is a diagram showing an example of a C-shaped sleeve 10D and its connection structure according to a fifth embodiment of the present invention;

以下、図面を用いて、本発明の実施形態を説明する。
[第１実施形態]
図１は、本発明の一実施形態に係るＣ型スリーブ１０が設けられる電力設備の一例を示す模式図である。
図１に示す電力設備の例では、変圧器１が電柱上に配置されている。例えば６６００Ｖの高電圧が、高圧側配線２を通じて変圧器１に供給される。変圧器１は、この高電圧を低電圧、例えば２００Ｖに変圧する。この低電圧は、低圧側配線３を通じて変圧器１から出力され、引き込み線４（低圧線、ＣＶケーブルともいう）を通じて工場や住宅等の需要家６に供給される。 Embodiments of the present invention will be described below with reference to the drawings.
[First embodiment]
FIG. 1 is a schematic diagram showing an example of power equipment provided with a C-shaped sleeve 10 according to one embodiment of the present invention.
In the example of power equipment shown in FIG. 1, a transformer 1 is arranged on a utility pole. A high voltage of 6600 V, for example, is supplied to the transformer 1 through the high voltage side wiring 2 . A transformer 1 transforms this high voltage to a low voltage, for example 200V. This low voltage is output from the transformer 1 through the low-voltage side wiring 3 and supplied to consumers 6 such as factories and houses through a lead-in line 4 (also called a low-voltage line or CV cable).

図示する低圧側配線３、引き込み線４、及び接地線５は、夫々導体からなる導体部３Ｍ、４Ｍ、５Ｍを有しており、電線接続用のＣ型スリーブ１０（１０Ａ～１０Ｄ）は、導体部３Ｍと導体部４Ｍとを束ねた状態で圧接させて電気的且つ機械的に固定する。導体部５Ｍは、後述する突起３０に対して別途電気的機械的に固定される。
本例に示す導体部３Ｍ、４Ｍ、５Ｍは、何れも撚り線である。本例に示す低圧側配線３、引き込み線４、及び接地線５は被覆電線であり、絶縁被覆を剥離して露出させた電線部分である導体部３Ｍ、４Ｍ、５ＭをＣ型スリーブ１０によって接続する。なお、低圧側配線３、引き込み線４、接地線５の全部又は何れかは、導体部３Ｍ、４Ｍ、５Ｍが露出した裸電線でもよい。 The low-voltage side wiring 3, the lead-in wire 4, and the ground wire 5 shown in the figure have conductor portions 3M, 4M, and 5M, respectively. The portion 3M and the conductor portion 4M are bundled and press-contacted to be electrically and mechanically fixed. The conductor portion 5M is separately electrically and mechanically fixed to a projection 30, which will be described later.
All of the conductor portions 3M, 4M, and 5M shown in this example are stranded wires. The low-voltage side wiring 3, the lead-in wire 4, and the ground wire 5 shown in this example are covered electric wires, and the conductor portions 3M, 4M, and 5M, which are the electric wire portions exposed by peeling off the insulation coating, are connected by the C-shaped sleeve 10. do. All or one of the low-voltage wiring 3, the lead-in wire 4, and the ground wire 5 may be bare wires with exposed conductor portions 3M, 4M, and 5M.

接地線５は、例えば５．５ｍｍ２のビニル絶縁電線である。接地線５は、Ｃ型スリーブ１０の接地と、変圧器１の接地とに共用されている。Ｃ型スリーブ１０は、圧縮工具により圧縮変形されることで、低圧側配線３の導体部３Ｍと、引き込み線４の導体部４Ｍとが互いに位置ずれしないように保持している。これにより、Ｃ型スリーブ１０は、低圧側配線３の導体部３Ｍと、引き込み線４の導体部４Ｍとの間の電気的且つ機械的な固定を確実にする。なお、本発明の各実施形態に係るＣ型スリーブ１０は、接地線ガイド付きＣ型スリーブとも呼ぶことができる。 The ground wire 5 is, for example, a 5.5 mm 2 vinyl insulated wire. The ground wire 5 is shared for grounding the C-sleeve 10 and grounding the transformer 1 . The C-shaped sleeve 10 is compressed and deformed by a compression tool to hold the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 so as not to be displaced from each other. Thereby, the C-shaped sleeve 10 ensures electrical and mechanical fixation between the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4. As shown in FIG. The C-sleeve 10 according to each embodiment of the present invention can also be called a C-sleeve with a ground wire guide.

図２は、本発明の第１実施形態に係るＣ型スリーブ１０の外観形状を示す斜視図である。図３は、図２に示すＣ型スリーブ１０をＧ方向から見た側面図である。
図２と図３に示すＣ型スリーブ１０は、図１に示す低圧側配線３の導体部３Ｍと、引き込み線４の導体部４Ｍと、接地線５の導体部５Ｍとが互いに位置ずれしないように、電気的且つ機械的に固定するために用いられる。Ｃ型スリーブ１０は、導電性を有し、且つ圧縮変形可能な金属、例えば銅やアルミニウムにより作製されている。 FIG. 2 is a perspective view showing the external shape of the C-shaped sleeve 10 according to the first embodiment of the invention. FIG. 3 is a side view of the C-shaped sleeve 10 shown in FIG. 2 as seen from the G direction.
The C-shaped sleeve 10 shown in FIGS. 2 and 3 is arranged so that the conductor portion 3M of the low-voltage side wiring 3, the conductor portion 4M of the lead-in wire 4, and the conductor portion 5M of the ground wire 5 shown in FIG. used for electrical and mechanical fixation. The C-shaped sleeve 10 is made of a conductive and compressively deformable metal such as copper or aluminum.

図２と図３に示すＣ型スリーブ１０は、概略Ｃ字型の横断面形状を有している。ここでＣ型スリーブ１０における横断面とは、Ｃ型スリーブ１０によって低圧側配線３の導体部３Ｍと、引き込み線４の４Ｍとを並行な姿勢に束ねて接続したときに、各導体部の長手方向に沿う方向（Ｃ型スリーブ１０の軸方向Ｘ）に対して直交する方向における断面のことである。Ｃ型スリーブ１０は、外面１１と、内面１２と、第１端面１３（軸方向一端面）と、第２端面１４（軸方向他端面）とを有する。外面１１は、周方向の中間部に形成された平坦部分１５と、周方向の各端部に形成された湾曲部１６、１７を有する。内面１２は、周方向の中間部に形成された平坦部分１８と、周方向の各端部に形成された湾曲部１９、２０を有する。第１端面１３と第２端面１４は、例えば平坦面である。また、Ｃ型スリーブ１０は、その内部に、複数の電線（本例では導体部３Ｍと導体部４Ｍ）を並行状態で収容する収容部２１を有している。収容部２１は、内面１２によって形成される中空の空間である。 The C-shaped sleeve 10 shown in FIGS. 2 and 3 has a substantially C-shaped cross-sectional shape. Here, the cross section of the C-shaped sleeve 10 means the length of each conductor when the conductor 3M of the low-voltage side wiring 3 and the lead-in wire 4M are bundled and connected by the C-shaped sleeve 10 in a parallel posture. It is a cross section in a direction orthogonal to the direction along the direction (the axial direction X of the C-shaped sleeve 10). The C-shaped sleeve 10 has an outer surface 11, an inner surface 12, a first end surface 13 (one axial end surface), and a second end surface 14 (other axial end surface). The outer surface 11 has a flat portion 15 formed at a circumferentially intermediate portion and curved portions 16, 17 formed at each circumferential end thereof. The inner surface 12 has a flat portion 18 formed at a circumferentially intermediate portion and curved portions 19, 20 formed at each circumferential end thereof. The first end surface 13 and the second end surface 14 are flat surfaces, for example. Further, the C-shaped sleeve 10 has an accommodating portion 21 in which a plurality of electric wires (in this example, the conductor portion 3M and the conductor portion 4M) are accommodated in parallel. The housing portion 21 is a hollow space formed by the inner surface 12 .

Ｃ型スリーブ１０は、収容部２１内に導体部３Ｍと導体部４Ｍを収容した状態で圧縮工具により圧縮変形（縮径）されることにより、導体部３Ｍと導体部４Ｍとが互いに位置ずれしないように、これらを電気的且つ機械的に固定する。即ち、内面１２の平坦部分１８と湾曲部１９、２０は、圧縮変形により導体部３Ｍと導体部４Ｍとに密着して、これらを位置ずれしないように保持する。 The C-shaped sleeve 10 is compressed and deformed (reduced in diameter) by a compression tool in a state in which the conductor portion 3M and the conductor portion 4M are accommodated in the accommodating portion 21, so that the conductor portion 3M and the conductor portion 4M are not displaced from each other. As such, they are electrically and mechanically fixed. That is, the flat portion 18 and the curved portions 19 and 20 of the inner surface 12 are brought into close contact with the conductor portion 3M and the conductor portion 4M due to compressive deformation, and hold them so as not to be displaced.

Ｃ型スリーブ１０は、外部から収容部２１内に電線を挿入する電線挿入用のスリット（開放部）３３を有する。スリット３３は、第１端面１３から第２端面１４に至るまで、軸方向Ｘ全長に沿って形成されている。この電線挿入用のスリット３３は、低圧側配線３の導体部３Ｍと、引き込み線４の導体部４Ｍと、を軸方向Ｘに沿った姿勢で収容部２１内に挿入できるようになっている。Ｃ型スリーブ１０は、図示しない工具を用いて圧縮して変形（縮径）させることで、並行状態で収容部２１内に収容された導体部３Ｍと導体部４Ｍを、電気的且つ機械的に固定する。これにより、Ｃ型スリーブ１０は導体部３Ｍと導体部４Ｍを、互いにずれが生じないようにしっかりと固定することができる。 The C-shaped sleeve 10 has an electric wire insertion slit (open portion) 33 for inserting an electric wire into the accommodating portion 21 from the outside. The slit 33 is formed along the entire length in the axial direction X from the first end face 13 to the second end face 14 . The wire insertion slit 33 allows the conductor portion 3M of the low-voltage side wire 3 and the conductor portion 4M of the lead-in wire 4 to be inserted into the accommodating portion 21 in a posture along the axial direction X. As shown in FIG. The C-shaped sleeve 10 is compressed and deformed (diameter-reduced) using a tool (not shown), thereby electrically and mechanically connecting the conductor portion 3M and the conductor portion 4M accommodated in the accommodating portion 21 in parallel. fixed. As a result, the C-shaped sleeve 10 can firmly fix the conductor portion 3M and the conductor portion 4M so that they are not displaced from each other.

図２と図３に示すＣ型スリーブ１０の第１端面１３と第２端面１４とは平行（並行）であり、Ｃ型スリーブ１０の軸方向Ｘと交差（例えば直交）している。第１端面１３と第２端面１４の少なくとも一方には、突起３０が設けられている。この突起３０は、低圧側配線３と引き込み線４とは異なる別の電線である接地線５の導体部５Ｍを電気的且つ機械的に接続するための電気接続端子である。 The first end surface 13 and the second end surface 14 of the C-sleeve 10 shown in FIGS. 2 and 3 are parallel (parallel) and intersect (for example, orthogonally) the axial direction X of the C-sleeve 10 . A protrusion 30 is provided on at least one of the first end surface 13 and the second end surface 14 . The projection 30 is an electrical connection terminal for electrically and mechanically connecting the low-voltage side wiring 3 and the conductor portion 5M of the grounding wire 5, which is a separate wire different from the lead-in wire 4. As shown in FIG.

突起３０は、Ｃ型スリーブ１０を例えば鋳造により製造する際に一体的に設けることもできるし、Ｃ型スリーブ１０を製造した後に、溶接等により取り付けることもできる。突起３０は、Ｃ型スリーブ１０の軸方向Ｘと平行になるように（軸方向Ｘに沿って伸びるように）、第１端面１３と第２端面１４より互いに離反する方向に突出して設けられている。突起３０は、例えば断面円型を有する中実部材である。しかし、突起３０は、断面円型以外の断面矩形等の他の形状であっても良い。 The protrusion 30 can be integrally provided when the C-shaped sleeve 10 is manufactured by casting, for example, or can be attached by welding or the like after the C-shaped sleeve 10 is manufactured. The projection 30 is provided so as to be parallel to the axial direction X of the C-shaped sleeve 10 (to extend along the axial direction X) and project from the first end surface 13 and the second end surface 14 in directions away from each other. there is The protrusion 30 is, for example, a solid member having a circular cross section. However, the protrusions 30 may have other shapes such as a rectangular cross section other than the circular cross section.

図４は、突起３０と接地線５の接続構造例を示す図である。図４に示すように、この突起３０と接地線５の導体部５Ｍとは、接続用のスリーブ３１を介して電気的且つ機械的に接続される。接続用のスリーブ３１は、突起３０と同様に導電性を有し、圧縮時に変形可能な金属、例えば銅やアルミニウムにより作製されている。 FIG. 4 is a diagram showing an example of a connection structure between the projection 30 and the ground line 5. As shown in FIG. As shown in FIG. 4, the protrusion 30 and the conductor portion 5M of the ground wire 5 are electrically and mechanically connected via a connecting sleeve 31. As shown in FIG. The connecting sleeve 31 is made of a metal, such as copper or aluminum, which is electrically conductive and deformable under compression, like the projection 30 .

接続用のスリーブ３１は、例えば軸方向両端が開口した円筒部材であり、中空部分３２を有する。接続用のスリーブ３１の中空部分３２には、一方側（軸方向一端開口）から突起３０が挿入され、他方側（軸方向他端開口）から接地線５の導体部５Ｍが挿入される。そして、突起３０と導体部５Ｍが挿入された接続用のスリーブ３１を、工具により圧縮して変形させることで、接続用のスリーブ３１は突起３０と導体部５Ｍに密着（圧着）する。突起３０と接地線５の導体部５Ｍは、接続用のスリーブ３１によって電気的且つ機械的に固定される。 The connecting sleeve 31 is, for example, a cylindrical member that is open at both ends in the axial direction and has a hollow portion 32 . The projection 30 is inserted into the hollow portion 32 of the sleeve 31 for connection from one side (one end opening in the axial direction), and the conductor portion 5M of the ground wire 5 is inserted from the other side (the other end opening in the axial direction). Then, by compressing and deforming the connecting sleeve 31 into which the projection 30 and the conductor portion 5M are inserted, the connecting sleeve 31 is brought into close contact (crimping) with the projection 30 and the conductor portion 5M. The protrusion 30 and the conductor portion 5M of the ground wire 5 are electrically and mechanically fixed by a sleeve 31 for connection.

突起３０は、第１端面１３と第２端面１４の両方に設けられていることが好ましい。このようにすることで、接地線５の導体部５ＭがＣ型スリーブ１０に向けて軸方向Ｘの一端側又は他端側の何れの側から伸びる（或いは、導かれる）場合であっても、突起３０を介して導体部５ＭをＣ型スリーブ１０に容易に接続できる。
なお、導体部５Ｍは、低圧側配線３の導体部３Ｍと引き込み線４の導体部４ＭをＣ型スリーブ１０に対して機械的且つ電気的に固定する前に、又は固定した後に、突起３０に対して機械的且つ電気的に固定される。 The protrusions 30 are preferably provided on both the first end face 13 and the second end face 14 . By doing so, even when the conductor portion 5M of the ground wire 5 extends (or is guided) toward the C-shaped sleeve 10 from either the one end side or the other end side in the axial direction X, The conductor portion 5M can be easily connected to the C-shaped sleeve 10 via the protrusion 30. FIG.
The conductor portion 5M is attached to the protrusion 30 before or after the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 are mechanically and electrically fixed to the C-shaped sleeve 10. It is mechanically and electrically fixed to the

このように、本実施形態に係るＣ型スリーブ１０によれば、低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍが収容された収容部２１に接地線５の導体部５Ｍを追加的に挿入する必要がない。従って、接地線５の導体部５Ｍの挿入時に、接地線５の導体部５Ｍの撚りが解けることを防止できる。また、Ｃ型スリーブ１０に対して接地線５を容易に接続できる。 As described above, according to the C-shaped sleeve 10 according to the present embodiment, the conductor portion 5M of the ground wire 5 is added to the housing portion 21 in which the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 are housed. You don't have to insert it manually. Therefore, it is possible to prevent untwisting of the conductor portion 5M of the ground wire 5 when the conductor portion 5M of the ground wire 5 is inserted. Also, the ground wire 5 can be easily connected to the C-shaped sleeve 10 .

＜第１実施形態の効果＞
Ｃ型スリーブ１０の収容部２１内に、複数の電線である低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを収容した後であっても、Ｃ型スリーブ１０の突起３０に対して、さらに追加の別の電線である接地線５の導体部５Ｍを容易に且つ確実に、電気的且つ機械的に接続することができる。このため、複数の電線を電気的且つ機械的に接続する作業が、作業現場において容易且つ確実に行え、圧縮ミスを防ぐことができる。 <Effects of the first embodiment>
Even after the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4, which are a plurality of electric wires, are accommodated in the accommodating portion 21 of the C-shaped sleeve 10, the projection 30 of the C-shaped sleeve 10 Thus, the conductor portion 5M of the ground wire 5, which is another additional electric wire, can be easily and reliably electrically and mechanically connected. Therefore, the work of electrically and mechanically connecting a plurality of electric wires can be easily and reliably performed at the work site, and compression errors can be prevented.

次に、本発明の第２実施形態から第５実施形態を、図面を参照しながら順に説明する。各実施形態の構成要素が、上述した第１実施形態の構成要素と実質的に同じである場合には、同じ符号を記して、その説明を省略する。 Next, second to fifth embodiments of the present invention will be described in order with reference to the drawings. When the constituent elements of each embodiment are substantially the same as the constituent elements of the first embodiment described above, the same reference numerals are given and the explanation thereof is omitted.

[第２実施形態]
図５は、本発明の第２実施形態に係るＣ型スリーブ１０Ａ及びその接続構造例を示す側面図である。
図５に示すように、第２実施形態のＣ型スリーブ１０Ａの第１端面１３と第２端面１４の少なくとも一方には、突起４０が設けられている。この突起４０は、図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍとは異なる別の電線である接地線５を、図５に示すように電気的且つ機械的に接続、固定する電気接続端子である。 [Second embodiment]
FIG. 5 is a side view showing a C-shaped sleeve 10A according to a second embodiment of the present invention and an example of connection structure thereof.
As shown in FIG. 5, a protrusion 40 is provided on at least one of the first end surface 13 and the second end surface 14 of the C-shaped sleeve 10A of the second embodiment. The projection 40 electrically and mechanically connects the ground wire 5, which is a different electric wire from the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. 3, as shown in FIG. It is an electrical connection terminal for connecting and fixing.

突起４０は、Ｃ型スリーブ１０Ａを例えば鋳造により製造する際に一体的に設けることもできるし、Ｃ型スリーブ１０Ａを製造した後に、溶接等により取り付けることもできる。突起４０は、Ｃ型スリーブ１０Ａの軸方向Ｘと平行になるように、第１端面１３と第２端面１４より突出して設けられている。なお、突起４０の突出方向は図示する方向に限られない。本例に示す突起４０は、中空部材である。 The protrusions 40 can be integrally provided when the C-sleeve 10A is manufactured, for example, by casting, or can be attached by welding or the like after the C-sleeve 10A is manufactured. The protrusion 40 is provided so as to protrude from the first end surface 13 and the second end surface 14 so as to be parallel to the axial direction X of the C-shaped sleeve 10A. Note that the projection direction of the projection 40 is not limited to the illustrated direction. The protrusion 40 shown in this example is a hollow member.

図５に示すように、突起４０は、例えば中空の円筒部材であり、接地線５の導体部５Ｍを挿入して電気的且つ機械的に固定するための中空部分４１を有する。突起４０は、導電性を有し、圧縮時に変形可能な金属、例えば銅やアルミニウムにより作製されている。
そして、接地線５の導体部５Ｍが挿入された状態で突起４０を工具により圧縮変形させることで、突起４０と接地線５の導体部５Ｍとを機械的に接触させて、電気的に確実に接続して固定することができる。 As shown in FIG. 5, the protrusion 40 is, for example, a hollow cylindrical member and has a hollow portion 41 for inserting the conductor portion 5M of the ground wire 5 and fixing it electrically and mechanically. The projections 40 are made of a metal, such as copper or aluminum, which is electrically conductive and deformable when compressed.
Then, by compressing and deforming the projection 40 with a tool in a state where the conductor portion 5M of the ground wire 5 is inserted, the projection 40 and the conductor portion 5M of the ground wire 5 are brought into mechanical contact with each other, thereby ensuring an electrical connection. Can be connected and fixed.

＜第２実施形態の効果＞
Ｃ型スリーブ１０Ａの収容部２１内に、複数の電線である図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを収容した後であっても、Ｃ型スリーブ１０Ａの突起４０に対して、さらに追加の別の電線である接地線５の導体部５Ｍを容易且つ確実に電気的且つ機械的に接続することができる。このため、複数の電線を電気的且つ機械的に接続する作業が、作業現場において容易且つ確実に行え、圧縮ミスを防ぐことができる。 <Effects of Second Embodiment>
Even after the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. The conductor portion 5M of the ground wire 5, which is another additional electric wire, can be electrically and mechanically connected to the projection 40 easily and reliably. Therefore, the work of electrically and mechanically connecting a plurality of electric wires can be easily and reliably performed at the work site, and compression errors can be prevented.

[第３実施形態]
図６は、本発明の第３実施形態に係るＣ型スリーブ１０Ｂを示す斜視図である。
図６に示す第３実施形態のＣ型スリーブ１０Ｂにおいて、内面１２は、その中間部を膨出させた凸部５０を有している。この凸部５０は、内面１２の周方向中間部である平坦部分１８において、軸方向Ｘに沿って連続して形成されている。この凸部５０は、軸方向Ｘに沿って通し穴５１を有する。この通し穴５１は、第１端面１３から第２端面１４に亘って貫通形成されている。 [Third Embodiment]
FIG. 6 is a perspective view showing a C-shaped sleeve 10B according to a third embodiment of the invention.
In the C-shaped sleeve 10B of the third embodiment shown in FIG. 6, the inner surface 12 has a protruding portion 50 that bulges out from the middle portion thereof. The convex portion 50 is formed continuously along the axial direction X in the flat portion 18 that is the intermediate portion in the circumferential direction of the inner surface 12 . This convex portion 50 has a through hole 51 along the axial direction X. As shown in FIG. The through hole 51 is formed through from the first end surface 13 to the second end surface 14 .

通し穴５１には、通し穴５１の軸方向長よりも長い導体である線材５２が挿通されている。線材５２は、軸方向Ｘに沿った通し穴５１に通されることで、線材５２の一端部である突起５２Ａが第１端面１３よりも突出し、線材５２の他端部である突起５２Ｂが第２端面１４よりも突出している。
なお、Ｃ型スリーブ１０Ｂの第１端面１３と第２端面１４に有底の穴を形成し、各穴内に夫々線材５２を挿入することにより、第１端面１３と第２端面１４から突出した線材の長手方向の一部を突起５２Ａと突起５２Ｂとしてもよい。 A wire rod 52 , which is a conductor longer than the axial length of the through hole 51 , is inserted through the through hole 51 . The wire 52 is passed through the through hole 51 along the axial direction X, so that the projection 52A, which is one end of the wire 52, protrudes from the first end surface 13, and the projection 52B, which is the other end of the wire 52, protrudes from the first end surface 13. It protrudes from the two end surfaces 14 .
In addition, by forming bottomed holes in the first end surface 13 and the second end surface 14 of the C-shaped sleeve 10B and inserting wire rods 52 into the respective holes, wire rods projecting from the first end surface 13 and the second end surface 14 are formed. may be formed as projections 52A and projections 52B.

＜第３実施形態の効果＞
Ｃ型スリーブ１０Ｂの収容部２１内に、複数の電線である図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを収容した後であっても、Ｃ型スリーブ１０Ｂの突起５２Ａ、５２Ｂに対して、さらに追加の別の電線である接地線５の導体部５Ｍを容易且つ確実に、電気的且つ機械的に接続することができる。このため、複数の電線を電気的且つ機械的に接続する作業が、作業現場において容易且つ確実に行え、圧縮ミスを防ぐことができる。 <Effects of the third embodiment>
Even after the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. The conductor portion 5M of the ground wire 5, which is an additional wire, can be easily and reliably electrically and mechanically connected to the projections 52A and 52B. Therefore, the work of electrically and mechanically connecting a plurality of electric wires can be easily and reliably performed at the work site, and compression errors can be prevented.

[第４実施形態]
図７は、本発明の第４実施形態に係るＣ型スリーブ１０Ｃ及びその接続構造例を示す図である。図７（ａ）はＣ型スリーブ１０Ｃを湾曲部１６側（図２参照）から観察した図であり、（ｂ）はＣ型スリーブ１０Ｃを平坦部分１８側（図２参照）から観察した図である。
図７に示す第４実施形態のＣ型スリーブ１０Ｃの第１端面１３と第２端面１４の少なくとも一方には、突起６０が設けられている。この突起６０は、図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍとは別の電線である接地線５の導体部５Ｍを、電気的且つ機械的に接続するための電気接続端子である。 [Fourth embodiment]
FIG. 7 is a diagram showing an example of a C-shaped sleeve 10C and its connecting structure according to a fourth embodiment of the present invention. 7A is a view of the C-sleeve 10C observed from the curved portion 16 side (see FIG. 2), and FIG. 7B is a view of the C-sleeve 10C observed from the flat portion 18 side (see FIG. 2). be.
A protrusion 60 is provided on at least one of the first end surface 13 and the second end surface 14 of the C-shaped sleeve 10C of the fourth embodiment shown in FIG. The projection 60 electrically and mechanically connects the conductor portion 5M of the ground wire 5, which is an electric wire different from the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. electrical connection terminals.

突起６０は、Ｃ型スリーブ１０Ｃを製造する際に一体的に設けることもできるし、Ｃ型スリーブ１０Ｃを製造した後に、溶接等により取り付けることもできる。突起６０は、Ｃ型スリーブ１０の軸方向Ｘと平行になるように、第１端面１３と第２端面１４より突出して設けられている。 The protrusion 60 can be integrally provided when manufacturing the C-sleeve 10C, or can be attached by welding or the like after the C-sleeve 10C is manufactured. The protrusion 60 is provided so as to protrude from the first end surface 13 and the second end surface 14 so as to be parallel to the axial direction X of the C-shaped sleeve 10 .

突起６０は、例えば軸方向Ｘ、及び図７中紙面に垂直な方向に伸びる面を有する薄板状の部材である。突起６０は、折り曲げる（湾曲又は屈曲させる）ことにより、接地線５の導体部５Ｍを電気的且つ機械的に固定する。突起６０は、導電性を有し、変形可能な金属、例えば銅やアルミニウムにより作られている。そして、突起６０をプライヤ又はペンチ等の工具で折り曲げて、接地線５の導体部５Ｍに巻き付けることにより、突起６０と導体部５Ｍとを電気的かつ機械的に確実に接続することができる。 The projection 60 is a thin plate member having a surface extending in the axial direction X and in a direction perpendicular to the plane of FIG. 7, for example. By bending (bending or bending) the projection 60, the conductor portion 5M of the ground wire 5 is electrically and mechanically fixed. The protrusion 60 is made of a conductive, deformable metal such as copper or aluminum. By bending the projection 60 with a tool such as pliers or pliers and winding it around the conductor portion 5M of the ground wire 5, the projection 60 and the conductor portion 5M can be reliably electrically and mechanically connected.

＜第４実施形態の効果＞
Ｃ型スリーブ１０Ｃの収容部２１には、複数の電線である図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを収容した後であっても、Ｃ型スリーブ１０Ｃの突起６０に対して、さらに追加の別の電線である接地線５の導体部５Ｍを容易且つ確実に、電気的且つ機械的に接続することができる。このため、複数の電線を電気的且つ機械的に接続する作業が、作業現場において容易且つ確実に行え、圧縮ミスを防ぐことができる。 <Effects of the Fourth Embodiment>
Even after housing the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. The conductor portion 5M of the ground wire 5, which is another additional electric wire, can be electrically and mechanically connected to the projection 60 easily and reliably. Therefore, the work of electrically and mechanically connecting a plurality of electric wires can be easily and reliably performed at the work site, and compression errors can be prevented.

[第５実施形態]
図８は、本発明の第５実施形態に係るＣ型スリーブ１０Ｄ及びその接続構造例を示す図である。
図８に示す第５実施形態のＣ型スリーブ１０Ｄの第１端面１３と第２端面１４の少なくとも一方には、突起７０が設けられている。この突起７０は、図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍとは別の電線である接地線５の導体部５Ｍを、電気的且つ機械的に接続するための電気接続端子である。 [Fifth embodiment]
FIG. 8 is a diagram showing an example of a C-shaped sleeve 10D and its connection structure according to a fifth embodiment of the present invention.
A protrusion 70 is provided on at least one of the first end surface 13 and the second end surface 14 of the C-shaped sleeve 10D of the fifth embodiment shown in FIG. The protrusion 70 electrically and mechanically connects the conductor portion 5M of the ground wire 5, which is an electric wire different from the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. electrical connection terminals.

突起７０は、Ｃ型スリーブ１０Ｄの端面から突出する中空状の円筒部分７１と、円筒部分７１の軸方向先端縁から軸方向Ｘに沿って形成されたスリット７２と、を有する。突起７０の円筒部分７１には、接地線５の導体電線５Ｍを挿入して、工具により円筒部分７１を圧縮変形させることで、突起７０は、接地線５の導体電線５Ｍを、電気的にしかも機械的に確実に接続することができる。突起７０はスリット７２を有するので、円筒部分７１を工具により簡単に圧縮変形させることができ、突起７０に接地線５の導体電線５Ｍを固定できる。
突起７０は、Ｃ型スリーブ１０Ｄを製造する際に一体的に設けることもできるし、Ｃ型スリーブ１０Ｄを製造した後に、溶接等により取り付けることもできる。突起７０は、Ｃ型スリーブ１０の軸方向Ｘと平行になるように、第１端面１３と第２端面１４より突出して設けられている。 The protrusion 70 has a hollow cylindrical portion 71 protruding from the end surface of the C-shaped sleeve 10D and a slit 72 formed along the axial direction X from the axial leading edge of the cylindrical portion 71 . By inserting the conductor wire 5M of the ground wire 5 into the cylindrical portion 71 of the projection 70 and compressing and deforming the cylindrical portion 71 with a tool, the projection 70 electrically and additionally holds the conductor wire 5M of the ground wire 5. A mechanically reliable connection is possible. Since the projection 70 has the slit 72 , the cylindrical portion 71 can be easily compressed and deformed with a tool, and the conductor wire 5M of the ground wire 5 can be fixed to the projection 70 .
The protrusion 70 can be integrally provided when manufacturing the C-shaped sleeve 10D, or can be attached by welding or the like after the C-shaped sleeve 10D is manufactured. The protrusion 70 is provided so as to protrude from the first end surface 13 and the second end surface 14 so as to be parallel to the axial direction X of the C-shaped sleeve 10 .

＜第５実施形態の効果＞
Ｃ型スリーブ１０Ｄの収容部２１に複数の電線である図３に示す低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを収容した後であっても、Ｃ型スリーブ１０Ｄの突起７０に対して、さらに追加の別の電線である接地線５の導体部５Ｍを挿入し、突起７０を圧縮変形させることができる。この作業だけで、Ｃ型スリーブ１０Ｄは、接地線５の導体部５Ｍを容易にしかも確実に電気的にしかも機械的に接続することができる。このため、複数の電線を電気的にしかも機械的に接続する作業が、作業現場において容易にしかも確実に行え、圧縮作業ミスを防ぐことができる。 <Effects of the Fifth Embodiment>
Even after the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 shown in FIG. In addition, the conductor portion 5M of the ground wire 5, which is another additional electric wire, can be inserted to compress and deform the protrusion 70. As shown in FIG. Only by this operation, the C-shaped sleeve 10D can easily and reliably connect the conductor portion 5M of the ground wire 5 electrically and mechanically. Therefore, the work of electrically and mechanically connecting a plurality of electric wires can be easily and reliably performed at the work site, and mistakes in the compression work can be prevented.

[本発明の実施形態の構成と効果のまとめ]
以上説明したように、本発明の各実施形態に示した電線接続用のＣ型スリーブ１０（１０Ａ～１０Ｄ）は、複数の電線である例えば低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを並行状態で収容する収容部２１を有する。
第１実施態様に係るＣ型スリーブは、圧縮変形されることで低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを電気的且つ機械的に固定する。Ｃ型スリーブ１０（１０Ａから１０Ｄ）の軸方向Ｘと交差する端面１３、１４には、低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍとは別の電線としての接地線５の導体部５Ｍを接続するための突起３０（４０、５２Ａ、５２Ｂ、６０、７０）が設けられている。 [Summary of configuration and effect of embodiment of the present invention]
As described above, the C-shaped sleeve 10 (10A to 10D) for wire connection shown in each embodiment of the present invention includes a plurality of wires, for example, the conductor portion 3M of the low voltage side wiring 3 and the conductor of the lead-in wire 4. It has an accommodating portion 21 that accommodates the portions 4M in a parallel state.
The C-shaped sleeve according to the first embodiment electrically and mechanically fixes the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 by being compressed and deformed. On end faces 13 and 14 intersecting the axial direction X of the C-shaped sleeve 10 (10A to 10D), a ground wire 5 as an electric wire different from the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 is provided. A protrusion 30 (40, 52A, 52B, 60, 70) is provided for connecting the conductor portion 5M.

本態様によれば、Ｃ型スリーブ１０の収容部２１に複数の電線としての低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを収容した後であっても、さらに追加の別の電線としての接地線５の導体部３Ｍを電気的且つ機械的に、容易且つ確実に接続できる。このため、電線の接続作業現場における圧縮ミスを防ぐことができる。 According to this aspect, even after the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 as a plurality of electric wires are accommodated in the accommodation portion 21 of the C-shaped sleeve 10, additional additional The conductor portion 3M of the ground wire 5 as an electric wire can be electrically and mechanically easily and reliably connected. For this reason, it is possible to prevent compression errors at the wire connection work site.

また、第２実施態様において突起３０（４０、５２Ａ、５２Ｂ、６０、７０）は、Ｃ型スリーブの軸方向と交差する一方の端面１３と他方の端面１４の一方又は両方に設けられている。本態様によれば、Ｃ型スリーブを取り付けて別の電線としての接地線５の導体部５Ｍを接続する際に、端面１３から突出した突起３０又は、端面１４から突出した突起３０の少なくとも一方を用いることができる。このため、Ｃ型スリーブ１０が電線に取り付けられる向きに関わらず、電線の接続作業現場において、端面１３、１４のいずれかに設けた突起３０を用いて接地線５の導体部５Ｍを接続することができる。このため、電線の接続作業現場における接続作業が容易に行える。 In the second embodiment, the projections 30 (40, 52A, 52B, 60, 70) are provided on one or both of one end face 13 and the other end face 14 intersecting the axial direction of the C-shaped sleeve. According to this aspect, when attaching the C-shaped sleeve and connecting the conductor portion 5M of the ground wire 5 as another electric wire, at least one of the projection 30 projecting from the end surface 13 and the projection 30 projecting from the end surface 14 is removed. can be used. Therefore, regardless of the direction in which the C-shaped sleeve 10 is attached to the wire, the conductor portion 5M of the ground wire 5 can be connected using the projection 30 provided on either end surface 13 or 14 at the wire connection work site. can be done. Therefore, the connection work can be easily performed at the wire connection work site.

第３実施態様において突起３０（５２Ａ、５２Ｂ）は、中実部材であり、突起３０（５２Ａ、５２Ｂ）と、別の電線である接地線５の導体部５Ｍとは、接続用のスリーブ３１を介して電気的に接続される。本態様によれば、Ｃ型スリーブと別の電線である接地線５の導体部５Ｍとは、中実の突起３０（５２Ａ、５２Ｂ）とスリーブ３１を用いて容易に電気的且つ機械的に接続することができる。 In the third embodiment, the protrusions 30 (52A, 52B) are solid members, and the protrusions 30 (52A, 52B) and the conductor portion 5M of the ground wire 5, which is another electric wire, are connected by a sleeve 31 for connection. are electrically connected via According to this aspect, the C-shaped sleeve and the conductor portion 5M of the ground wire 5, which is a separate electric wire, are easily electrically and mechanically connected using the solid projections 30 (52A, 52B) and the sleeve 31. can do.

第４実施態様において突起４０、７０は、別の電線を挿入するための中空部を有する中空部材である。別の電線である接地線５の導体部５Ｍは、突起４０、７０を圧縮することで電気的且つ機械的に接続して固定できる。本態様によれば、Ｃ型スリーブと別の電線である接地線５の導体部５Ｍとは、中空部材の突起４０、７０を用いて容易に電気的且つ機械的に接続することができる。 In the fourth embodiment, the protrusions 40, 70 are hollow members with hollows for inserting another electric wire. The conductor portion 5M of the ground wire 5, which is another electric wire, can be electrically and mechanically connected and fixed by compressing the projections 40 and 70. FIG. According to this aspect, the C-shaped sleeve and the conductor portion 5M of the ground wire 5, which is another electric wire, can be easily electrically and mechanically connected using the protrusions 40 and 70 of the hollow member.

第５実施態様において突起５２は、軸方向Ｘに沿って形成された穴内に導電性の線材５２を挿通すると共にこの線材５２の長手方向の一部を端面１３、１４から外部に突出させることにより形成されている。本態様によれば、Ｃ型スリーブ１０と別の電線である接地線５の導体部５Ｍとは、突起５２を用いて容易に電気的且つ機械的に接続することができる。 In the fifth embodiment, the protrusion 52 is formed by inserting the conductive wire 52 into a hole formed along the axial direction X and protruding a part of the wire 52 in the longitudinal direction from the end surfaces 13 and 14 to the outside. formed. According to this aspect, the C-shaped sleeve 10 and the conductor portion 5</b>M of the ground wire 5 , which is another electric wire, can be easily electrically and mechanically connected using the protrusion 52 .

第６実施態様において別の電線は、接地線５の導体部５Ｍである。本態様によれば、接地線５の導体部５Ｍを接続する作業現場において、接地線５は、突起を用いてＣ型スリーブに対して容易に電気的且つ機械的に接続することができる。 Another electric wire in the sixth embodiment is the conductor portion 5M of the ground wire 5 . According to this aspect, the ground wire 5 can be easily electrically and mechanically connected to the C-shaped sleeve using the projection at the work site where the conductor portion 5M of the ground wire 5 is connected.

以上、本発明の実施形態を説明したが、上記各実施形態は本発明の範囲を限定するものではない。上記各実施形態に示されたＣ型スリーブは、本発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更等を行える。
図示例では、突起は、Ｃ型スリーブの第１端面１３と第２端面１４の両方に設けられている。しかし、突起は、第１端面１３と第２端面１４の一方だけに設けられていても良い。
図示例では、複数の電線としては、低圧側配線３の導体部３Ｍと引き込み線４の導体部４Ｍを例に挙げており、別の電線としては、接地線５の導体部５Ｍを例に挙げている。しかしこれに限らず、電線の種類は、現場の状況に応じて任意に選定することができる。 Although the embodiments of the present invention have been described above, the above embodiments do not limit the scope of the present invention. The C-shaped sleeve shown in each of the above embodiments can be omitted, replaced, changed, etc. in various ways without departing from the gist of the present invention.
In the illustrated example, projections are provided on both the first end face 13 and the second end face 14 of the C-sleeve. However, the protrusion may be provided only on one of the first end face 13 and the second end face 14 .
In the illustrated example, the conductor portion 3M of the low-voltage side wiring 3 and the conductor portion 4M of the lead-in wire 4 are exemplified as the plurality of electric wires, and the conductor portion 5M of the ground wire 5 is exemplified as another electric wire. ing. However, the type of electric wire is not limited to this, and can be arbitrarily selected according to the situation of the site.

１…変圧器、２…高圧側配線、３…低圧側配線、３Ｍ…低圧側配線３の導体部（複数の電線の一例）、４…引き込み線、４Ｍ…引き込み線４の導体部（複数の電線の一例）、５…接地線、５Ｍ…接地線５の導体部（別の電線）、１０、１０Ａ～１０Ｄ…Ｃ型スリーブ、１３…第１端面（一方の端面）、１４…第２端面（他方の端面）、３０…突起、３１…接続用のスリーブ、４０…突起、５２…線材、５２Ａ…突起、５２Ｂ…突起、６０…突起、７０…突起 1... transformer, 2... high-voltage side wiring, 3... low-voltage side wiring, 3M... conductor portion of low-voltage side wiring 3 (an example of a plurality of electric wires), 4... lead-in wire, 4M... conductor portion of lead-in wire 4 (a plurality of An example of an electric wire), 5... Grounding wire, 5M... Conductor part (another electric wire) of grounding wire 5, 10, 10A to 10D... C-shaped sleeve, 13... First end face (one end face), 14... Second end face (The other end surface) 30...Protrusion 31...Connecting sleeve 40...Protrusion 52...Wire rod 52A...Protrusion 52B...Protrusion 60...Protrusion 70...Protrusion

Claims (7)

複数の電線を並行状態で収容する収容部を有し、圧縮変形されることで前記複数の電線を電気的且つ機械的に固定する電線接続用のＣ型スリーブであって、
前記Ｃ型スリーブの軸方向と交差する端面には、前記電線とは別の電線を接続する突起が設けられており、前記突起は、前記別の電線を挿入する中空部を有する中空部材であることを特徴とするＣ型スリーブ。 A C-shaped sleeve for wire connection that has a storage portion that stores a plurality of wires in parallel and that electrically and mechanically fixes the plurality of wires by being compressed and deformed,
An end surface of the C-shaped sleeve that intersects with the axial direction is provided with a projection for connecting an electric wire different from the electric wire, and the projection is a hollow member having a hollow portion into which the another electric wire is inserted. A C-shaped sleeve characterized by: 複数の電線を並行状態で収容する収容部を有し、圧縮変形されることで前記複数の電線を電気的且つ機械的に固定する電線接続用のＣ型スリーブであって、 A C-shaped sleeve for wire connection that has a storage portion that stores a plurality of wires in parallel and that electrically and mechanically fixes the plurality of wires by being compressed and deformed,
前記Ｃ型スリーブの軸方向と交差する端面には、前記電線とは別の電線を接続する突起が設けられており、前記突起は、前記端面に形成された穴内に導電性の線材を挿入するとともに該線材の長手方向の一部を前記端面から外部に突出させることにより形成されていることを特徴とするＣ型スリーブ。 An end surface of the C-shaped sleeve that intersects with the axial direction is provided with a projection for connecting an electric wire different from the electric wire, and the projection inserts a conductive wire into a hole formed in the end surface. A C-shaped sleeve characterized in that it is formed by protruding a part of the wire in the longitudinal direction from the end surface. 前記突起は、前記Ｃ型スリーブの前記軸方向と交差する一方の前記端面と他方の前記端面の一方又は両方に設けられていることを特徴とする請求項１又は２に記載のＣ型スリーブ。 3. The C-sleeve according to claim 1, wherein the protrusions are provided on one or both of the one end face and the other end face of the C-sleeve that intersect with the axial direction. 前記別の電線は、接地線であることを特徴とする請求項１乃至３の何れか１項に記載のＣ型スリーブ。 4. The C-shaped sleeve according to any one of claims 1 to 3, wherein said another electric wire is a ground wire. 複数の電線を並行状態で収容する収容部を有し、圧縮変形されることで前記複数の電線を電気的且つ機械的に固定する電線接続用のＣ型スリーブであって、 A C-shaped sleeve for wire connection that has a storage portion that stores a plurality of wires in parallel and that electrically and mechanically fixes the plurality of wires by being compressed and deformed,
前記Ｃ型スリーブの軸方向と交差する端面には、前記電線とは別の電線である接地線を接続する突起が設けられていることを特徴とするＣ型スリーブ。 A C-shaped sleeve, wherein a projection for connecting a ground wire, which is an electric wire different from the electric wire, is provided on an end surface of the C-shaped sleeve that intersects with the axial direction. 前記突起は、前記Ｃ型スリーブの前記軸方向と交差する一方の前記端面と他方の前記端面の一方又は両方に設けられていることを特徴とする請求項５に記載のＣ型スリーブ。 6. The C-sleeve according to claim 5, wherein the protrusions are provided on one or both of one end face and the other end face of the C-sleeve that intersect with the axial direction. 前記突起は、中実部材であり、前記突起と前記別の電線とは、接続用のスリーブを介して電気的に接続されることを特徴とする請求項５又は６に記載のＣ型スリーブ。 7. The C-shaped sleeve according to claim 5, wherein said projection is a solid member, and said projection and said another electric wire are electrically connected via a connection sleeve.
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