JP2017073283A - Connector for cable connection - Google Patents

Connector for cable connection Download PDF

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Publication number
JP2017073283A
JP2017073283A JP2015199776A JP2015199776A JP2017073283A JP 2017073283 A JP2017073283 A JP 2017073283A JP 2015199776 A JP2015199776 A JP 2015199776A JP 2015199776 A JP2015199776 A JP 2015199776A JP 2017073283 A JP2017073283 A JP 2017073283A
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Prior art keywords
core wire
cable
locking
terminal
locking piece
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JP2015199776A
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JP6369793B2 (en
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荒井　厚
Atsushi Arai
厚 荒井
哲也 高木
Tetsuya Takagi
哲也 高木
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SMK Corp
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SMK Corp
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Priority to JP2015199776A priority Critical patent/JP6369793B2/en
Priority to DE102016118325.3A priority patent/DE102016118325A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the spring

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a connector having excellent insert connectivity of a cable, including regulation means relative to the coming-off direction of the cable, and having high connection reliability.SOLUTION: Disclosed is a connector for cable connection which includes: a terminal for electrically connecting a core wire of the cable inserted thereinto; and an elastic member for energizing the inserted core wire toward the terminal. The elastic member has a base part and an engaging piece which is cross-arranged from the base part toward the tip side of the inserted core wire. The engaging piece has a free end on the tip side and an engaging part for being engaged with a side part of the core wire toward the base part, and the connector for cable connection has an erection regulation part for regulating the engaging piece to move in the erection direction.SELECTED DRAWING: Figure 1

Description

本発明は、ケーブルを電気接続するためのコネクタに関し、特にケーブルの芯線を挿入接続するコネクタの芯線の抜け防止構造に係る。   The present invention relates to a connector for electrically connecting a cable, and more particularly to a structure for preventing a core wire from coming off a connector for inserting and connecting a cable core wire.

例えば、特許文献１にケーブルの芯線を挿入し挟持部とくさび部の２ヶ所で接続する端子台を開示するが、くさび部の復帰力を強くすることで芯線の抜け強度を強くすることができるが、それは逆に芯線の挿入作業が大変である相反する技術的課題があった。
そこで本発明者らは、芯線の挿入接続性を確保しながら芯線の抜け防止を図り、接続信頼性の向上を図ることを検討し、本発明に至った。 For example, Patent Document 1 discloses a terminal block in which a core wire of a cable is inserted and connected at two locations of a sandwiching portion and a wedge portion. However, the strength of the core wire can be increased by increasing the restoring force of the wedge portion. However, it has a conflicting technical problem that the insertion work of the core wire is difficult.
Accordingly, the present inventors have studied to prevent the core wire from being pulled out while ensuring the insertion connectivity of the core wire, and to improve the connection reliability, and have reached the present invention.

特開平９−２４５８６２号公報Japanese Patent Laid-Open No. 9-245862

本発明は、ケーブルの挿入接続性に優れ、且つ、ケーブルの抜け方向に対する規制手段を有し、接続信頼性の高いコネクタの提供を目的とする。   It is an object of the present invention to provide a connector having excellent connection reliability of a cable and having a restricting means for a cable pulling direction and having high connection reliability.

本発明に係るコネクタは、ケーブル接続用のコネクタであって、ケーブルの芯線を挿入し電気接続するためのターミナル端子と、前記挿入した芯線を前記ターミナル端子に向けて付勢するための弾性部材とを有し、前記弾性部材は基部と、当該基部から、前記挿入した芯線の先端側に向けて交差配設した係止片を有し、前記係止片は先端側が自由端であり、前記基部に向けて前記芯線の側部に係止するための係止部を有し、前記係止片が起立方向に移動するのを規制した起立規制部を有することを特徴とする。
ここでケーブルの芯線を挿入するとは、ケーブルの先端部の絶縁被覆部を剥離して芯線を露出させ、この芯線をターミナル端子と、弾性部材に設けた係止片の係止部との間に差し込むように挿入することをいう。
本発明では、係止片が挿入された芯線に対して、この芯線の先端方向に向けて交差するように配設され、係止片の先端が自由端で、この交差配置した係止片の途中に係止部を設けてある。
これにより、ケーブルに抜け方向の力が加わり、係止片が斜めの状態から起立方向に立ち上がるように移動するとターミナル端子と係止部との間が開きケーブルの芯線が抜けやすくなるが、本発明では係止片が起立するように移動（回動）するのを起立規制部にて規制したので芯線の耐抜け強度が高い。 The connector according to the present invention is a connector for cable connection, a terminal terminal for inserting and electrically connecting a core wire of the cable, and an elastic member for biasing the inserted core wire toward the terminal terminal; The elastic member includes a base and a locking piece that is arranged to cross from the base toward the distal end side of the inserted core wire, and the distal end side of the locking piece is a free end, and the base It has a latching | locking part for latching to the side part of the said core wire toward this, and has the standing-up control part which controlled that the said locking piece moved to a standing-up direction.
Here, inserting the core wire of the cable means that the insulation coating portion at the tip of the cable is peeled to expose the core wire, and this core wire is placed between the terminal terminal and the locking portion of the locking piece provided on the elastic member. To insert like a plug.
In the present invention, the core wire into which the locking piece is inserted is arranged so as to intersect in the direction of the distal end of the core wire, and the distal end of the locking piece is a free end. A locking portion is provided in the middle.
As a result, a force in the pulling direction is applied to the cable, and when the locking piece moves so as to rise in an upright direction from an oblique state, the terminal terminal and the locking portion are opened and the core wire of the cable is easily pulled out. Then, since the movement restricting movement (turning) so that the locking piece stands up is restricted by the standing up restricting portion, the core wire has a high resistance against dropping.

本発明において、前記起立規制部は前記係止片の自由端部側から前記芯線の抜け方向側に向けて内側方向に傾斜させた斜面部となっていてもよい。
このようにすると芯線に引き抜き方向の力が負荷されて、係止片が起立方向に立ち上がるように移動しようとするが、係止片の自由端部側が上記起立規制部を構成する斜面部に当接し、係止部をターミナル側に向けて押圧する分力が働く。 In the present invention, the standing restriction portion may be a slope portion that is inclined inward from the free end side of the locking piece toward the direction of the core wire removal.
In this way, a force in the pulling direction is applied to the core wire, and the locking piece tries to move so as to rise in the standing direction. However, the free end side of the locking piece hits the sloped portion that constitutes the above-mentioned rising restriction portion. The component force which contacts and presses a latching part toward the terminal side works.

また、本発明において、前記係止部は、前記係止片の係止部側を前記芯線の抜け方向側に折り曲げたエッジ部になっていてもよい。
このようにすると、エッジ状の係止部が芯線の側部にくい込むように作用し、さらに芯線の抜け方向に対する係止力が働く。 Moreover, in this invention, the said latching | locking part may be an edge part which bend | folded the latching | locking part side of the said locking piece in the pulling-out direction side of the said core wire.
If it does in this way, it will act so that an edge-shaped latching part may get into the side part of a core wire, and also the latching force with respect to the removal direction of a core wire will work.

本発明に係るコネクタにおいては、接続したケーブルに芯線の抜け方向の力が加わっても、斜めに配設した係止片が起立方向に立ち上がるのを起立規制部が規制し、その動きを抑えるので芯線が抜けるのを防止する。   In the connector according to the present invention, even if a force in the pulling-out direction of the core wire is applied to the connected cable, the standing restricting portion restricts the rising of the locking piece arranged obliquely in the standing direction, and the movement is suppressed. Prevents the core wire from coming off.

本発明に係るコネクタの断面図を示す。Sectional drawing of the connector which concerns on this invention is shown. 本発明に係るターミナル端子及び弾性部材の斜視図を示す。The perspective view of the terminal terminal and elastic member which concern on this invention is shown.

本発明に係るコネクタの構造例を以下、図面に基づいて説明するが、本発明は本実施例に限定されない。   Hereinafter, a structural example of the connector according to the present invention will be described with reference to the drawings. However, the present invention is not limited to this embodiment.

本発明に係るコネクタは各種電源機器や電子機器にケーブルを電気接続するのに用いることができる。
例えば、太陽光発電等の分野においてパワーコンディショナーに対する電源ケーブルの接続用コネクタに用いることができる。 The connector according to the present invention can be used to electrically connect cables to various power supply devices and electronic devices.
For example, it can be used as a connector for connecting a power cable to a power conditioner in the field of photovoltaic power generation or the like.

図１に、本発明に係るコネクタの断面図を示す。
樹脂製のハウジング１０はケーブル１の芯線１ａの挿入孔１２を有し、これに対応して内部に電気接続用のターミナル端子２０と、このターミナル端子に向けてケーブルの芯線を側部から押圧付勢するための弾性部材３０が内蔵されている。
本実施例では、ターミナル端子２０の下面とハウジング１０の間に挟み込むように弾性部材３０の基部３１をハウジングの装着部１５に装着し、この基部３１から図１では下側に折り返した折返部３２を形成し、その先をさらにコネクタの内部の奥側に向けて斜め上方に折り返した係止片３３を形成してある。
本実施例では、基部３１の内部側から下側にて挿入孔１２側に向けて折り返した第１弾性片３２ａを設け、その先をさらに上方に向けて折り返した第２弾性片３２ｂからなる折返部３２になっているが、弾性部材３０は挿入された芯線とその先端側に向けて斜めに交差する係止片３３を有するものであれば本実施例に限定されない。
上方斜めに折り返した第２弾性片が本発明における係止片３３を構成し、係止片３３の上側先端が自由端部３４になっており、この係止片３３の途中に係止部３３ａを有する。
係止部３３ａの形成方法としては、係止片３３から側方に突起状に係止部３３ａを突設した形態、係止片３３の側部を略コ字形状等に切り欠いた形態等でもよい。
本実施例では図２に示すように係止片３３の途中を略ロ字形状に切り抜き、門構え状の差込部３２ｃを形成し、この差込部３２ｃに芯線１ａを差し込み挿入すると開口部の上側縁部が芯線１ａの側部に係止する係止部３３ａになる例になっている。
これにより、ケーブル１の芯線１ａをハウジング１０の挿入孔１２を経由して差込部３２ｃに差し込むと、ターミナル端子２０の上面と係止片３３に設けた係止部３３ａとの間に差し込まれ、係止片３３の下方向の復帰力にて芯線１ａが弾性係止される。
なお、芯線１ａを差し込む際には第１弾性片３２ａが上方に向けて弾性変形し、係止部３３ａとターミナル端子２０の上面との間隔が開くようになるので芯線１ａの差し込み作業が容易となるが、この第１弾性片３２ａを下面側から少し押し上げる機構（手段）を設けてもよい。
ターミナル端子２０は基板や他の機器に接続するためのものであり、本実施例では図２に示すように側壁部２２と接続端子２１を有している。 FIG. 1 shows a cross-sectional view of a connector according to the present invention.
The resin-made housing 10 has an insertion hole 12 for the core wire 1a of the cable 1. Correspondingly, a terminal terminal 20 for electrical connection is pressed inside, and the core wire of the cable is pressed from the side toward the terminal terminal. The elastic member 30 for energizing is incorporated.
In this embodiment, the base portion 31 of the elastic member 30 is mounted on the mounting portion 15 of the housing so as to be sandwiched between the lower surface of the terminal terminal 20 and the housing 10, and the folded portion 32 folded back from the base portion 31 in FIG. , And a locking piece 33 is formed with its tip folded back obliquely upward toward the back side inside the connector.
In the present embodiment, a first elastic piece 32a is provided that is folded back toward the insertion hole 12 from the inner side to the lower side of the base portion 31, and is folded back of a second elastic piece 32b that is folded back further upward. The elastic member 30 is not limited to this embodiment as long as the elastic member 30 has an inserted core wire and a locking piece 33 that obliquely intersects toward the tip end side.
The second elastic piece folded back obliquely constitutes the locking piece 33 in the present invention, and the upper end of the locking piece 33 is a free end 34, and the locking portion 33 a is in the middle of the locking piece 33. Have
As a method for forming the locking portion 33a, a configuration in which the locking portion 33a is projected from the locking piece 33 to the side, a shape in which a side portion of the locking piece 33 is cut into a substantially U shape, or the like But you can.
In this embodiment, as shown in FIG. 2, the middle of the locking piece 33 is cut out in a substantially square shape to form a gate-like insertion portion 32c, and when the core wire 1a is inserted and inserted into this insertion portion 32c, the opening portion is formed. In this example, the upper edge portion is a locking portion 33a that locks to the side portion of the core wire 1a.
Thus, when the core wire 1 a of the cable 1 is inserted into the insertion portion 32 c via the insertion hole 12 of the housing 10, it is inserted between the upper surface of the terminal terminal 20 and the locking portion 33 a provided on the locking piece 33. The core wire 1a is elastically locked by the downward restoring force of the locking piece 33.
When the core wire 1a is inserted, the first elastic piece 32a is elastically deformed upward, and the gap between the locking portion 33a and the upper surface of the terminal terminal 20 is increased, so that the core wire 1a can be easily inserted. However, a mechanism (means) for slightly pushing up the first elastic piece 32a from the lower surface side may be provided.
The terminal terminal 20 is for connecting to a substrate or other equipment. In this embodiment, the terminal terminal 20 has a side wall portion 22 and a connection terminal 21 as shown in FIG.

係止片３３は基部３１側の折返部３２から挿入された芯線１ａの先端側に向けて斜め鋭角に交差するように配設され、先端部側が自由端部３４となり、係止片３３の途中に係止部３３ａを形成してあるので、芯線１ａに抜き方向の力が加わると次のように作用する。
芯線１ａの側部に係止している係止部３３ａが挿入孔１２側（芯線の引き抜き方向）に移動する力が生じる。
これにより、係止片３３が起立方向に立ち上がるように回動移動し、係止部３３ａとターミナル端子２０の上面との間が開き、芯線１ａが抜けやすくなる恐れがあるが、本発明では係止片３３の立ち上がりを防止すべく、自由端部３４が当接する起立規制部１１をハウジング１０に設けた。
本実施例では、ハウジング１０の内側にハウジングと一体的に傾斜面からなる起立規制部１１を設けた例になっているが、係止片の起立を防止できれば構造に制限はない。
起立規制部１１は、係止片３３の自由端部３４側から内側方向であってケーブルの挿入孔１２側に向けて傾斜させた斜面部に形成してあるので、この斜面部に係止片３３の自由端部３４が当接すると、図１に矢印で示したように係止部３３ａを芯線１ａに向けて押し付ける分力が生じ、芯線１ａの係止力がアップする。
本実施例では自由端部３４に円弧状の曲げ部３４ａを形成し、斜面部での下方向の分力が発生しやすくなっている。
また、係止部３３ａは差込部３２ｃの開口上側の縁部を挿入孔１２側に向けて少し折り曲げた曲げ部３３ｂを形成したエッジ状の係止部３３ａになっており、係止片の立ち上がりに対して芯線の側部にくい込みやすくなっている。
さらには、ハウジング１０に芯線１ａの挿入を確認するための確認窓１３を形成した例になっている。 The locking piece 33 is disposed so as to cross at an oblique angle toward the distal end side of the core wire 1 a inserted from the folded portion 32 on the base portion 31 side, and the distal end side becomes a free end portion 34, and the middle of the locking piece 33 Since the locking portion 33a is formed on the core wire 1a, when a force in the pulling direction is applied to the core wire 1a, the operation is as follows.
A force is generated in which the locking portion 33a that is locked to the side portion of the core wire 1a moves toward the insertion hole 12 (in the direction of drawing out the core wire).
As a result, the locking piece 33 pivots and moves so as to rise in the upright direction, and the gap between the locking portion 33a and the upper surface of the terminal terminal 20 may be opened, and the core wire 1a may be easily pulled out. In order to prevent the stop piece 33 from rising, the housing 10 is provided with an upright restricting portion 11 with which the free end portion 34 abuts.
In the present embodiment, an example is provided in which the standing restricting portion 11 formed of an inclined surface integrally with the housing is provided inside the housing 10, but the structure is not limited as long as the locking piece can be prevented from standing up.
The standing restricting portion 11 is formed on a slope portion inclined inward from the free end portion 34 side of the locking piece 33 toward the cable insertion hole 12 side. When the free end 34 of 33 abuts, as shown by the arrow in FIG. 1, a component force is generated to press the locking portion 33a toward the core wire 1a, and the locking force of the core wire 1a is increased.
In the present embodiment, an arc-shaped bent portion 34a is formed in the free end portion 34, and a downward component force is easily generated on the slope portion.
The locking portion 33a is an edge-shaped locking portion 33a in which a bent portion 33b is formed by slightly bending the upper edge of the insertion portion 32c toward the insertion hole 12 side. It is easy to insert the side of the core wire difficult to rise.
Furthermore, a confirmation window 13 for confirming insertion of the core wire 1 a is formed in the housing 10.

１ ケーブル
１ａ 芯線
１０ ハウジング
１１ 起立規制部
１２ 挿入孔
１３ 確認窓
１５ 装着部
２０ ターミナル端子
３０ 弾性部材
３１ 基部
３２ 折返部
３２ａ 差込部
３３ 係止片
３３ａ 係止部
３４ 自由端部 DESCRIPTION OF SYMBOLS 1 Cable 1a Core wire 10 Housing 11 Standing restriction part 12 Insertion hole 13 Confirmation window 15 Mounting part 20 Terminal terminal 30 Elastic member 31 Base part 32 Return part 32a Insertion part 33 Locking piece 33a Locking part 34 Free end part

Claims (3)

ケーブル接続用のコネクタであって、
ケーブルの芯線を挿入し電気接続するためのターミナル端子と、前記挿入した芯線を前記ターミナル端子に向けて付勢するための弾性部材とを有し、
前記弾性部材は基部と、当該基部から、前記挿入した芯線の先端側に向けて交差配設した係止片を有し、
前記係止片は先端側が自由端であり、前記先端より基部側に前記芯線の側部に係止するための係止部を有し、
前記係止片が起立方向に移動するのを規制した起立規制部を有することを特徴とするコネクタ。 A connector for cable connection,
A terminal terminal for inserting and electrically connecting a core wire of the cable, and an elastic member for biasing the inserted core wire toward the terminal terminal;
The elastic member has a base and a locking piece that is arranged to cross from the base toward the distal end side of the inserted core wire,
The locking piece has a free end on the tip side, and has a locking portion for locking to the side of the core wire on the base side from the tip,
A connector comprising an upright restricting portion that restricts the locking piece from moving in the upright direction. 前記起立規制部は前記係止片の自由端部側から前記芯線の抜け方向側に向けて内側方向に傾斜させた斜面部となっていることを特徴とする請求項１記載のコネクタ。   2. The connector according to claim 1, wherein the standing restriction portion is a slope portion that is inclined inward from a free end side of the locking piece toward a direction in which the core wire is pulled out. 前記係止部は、前記係止片の係止部側を前記芯線の抜け方向側に折り曲げたエッジ部になっていることを特徴とする請求項１又は２記載のコネクタ。   The connector according to claim 1, wherein the locking portion is an edge portion formed by bending a locking portion side of the locking piece toward a direction in which the core wire is pulled out.
JP2015199776A 2015-10-07 2015-10-07 Connector for cable connection Expired - Fee Related JP6369793B2 (en)

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JP2015199776A JP6369793B2 (en) 2015-10-07 2015-10-07 Connector for cable connection
DE102016118325.3A DE102016118325A1 (en) 2015-10-07 2016-09-28 Connector for cable connection

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JP2015199776A JP6369793B2 (en) 2015-10-07 2015-10-07 Connector for cable connection

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JP2017073283A true JP2017073283A (en) 2017-04-13
JP6369793B2 JP6369793B2 (en) 2018-08-08

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CN111146613A (en) * 2018-11-05 2020-05-12 矢崎总业株式会社 Terminal, method of connecting electric wire to terminal, and jig
CN113314889A (en) * 2021-05-31 2021-08-27 广东电网有限责任公司 Wiring device and meter

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DE102019132007A1 (en) * 2019-11-26 2021-05-27 Phoenix Contact Gmbh & Co. Kg Terminal as well as electronic device

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JPH0623165U (en) * 1992-08-07 1994-03-25 株式会社白山製作所 Plug-in type connection terminal
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JP2005011067A (en) * 2003-06-19 2005-01-13 Rohm Co Ltd Constant voltage generator

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Publication number Priority date Publication date Assignee Title
CN111146613A (en) * 2018-11-05 2020-05-12 矢崎总业株式会社 Terminal, method of connecting electric wire to terminal, and jig
CN111146613B (en) * 2018-11-05 2021-07-02 矢崎总业株式会社 Terminal, method of connecting electric wire to terminal, and jig
CN113314889A (en) * 2021-05-31 2021-08-27 广东电网有限责任公司 Wiring device and meter

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DE102016118325A1 (en) 2017-05-11

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