JP2021096977A - Terminal-equipped wire - Google Patents

Terminal-equipped wire Download PDF

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Publication number
JP2021096977A
JP2021096977A JP2019228261A JP2019228261A JP2021096977A JP 2021096977 A JP2021096977 A JP 2021096977A JP 2019228261 A JP2019228261 A JP 2019228261A JP 2019228261 A JP2019228261 A JP 2019228261A JP 2021096977 A JP2021096977 A JP 2021096977A
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Japan
Prior art keywords
terminal
electric wire
tubular portion
caulking
shape
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JP2019228261A
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Japanese (ja)
Inventor
知聖 金
Ji-Seong Kim
知聖 金
智哉 河口
Tomoya Kawaguchi
智哉 河口
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Application filed by Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to JP2019228261A priority Critical patent/JP2021096977A/en
Priority to PCT/JP2020/044410 priority patent/WO2021124843A1/en
Publication of JP2021096977A publication Critical patent/JP2021096977A/en
Pending legal-status Critical Current

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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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut

Abstract

To provide a terminal-equipped wire that enables easy position adjustment of a wire and a terminal.SOLUTION: A terminal-equipped wire 1 includes a wire 14, a terminal 15 with slits 23 formed in two places, and a caulking band 16 that fixes a tubular portion 19 of the terminal 15 into which the wire 14 is inserted to the wire 14 by caulking. The wire 14 and the terminal 15 are fixed by inserting the wire 14 into the tubular portion 19 of the terminal 15 and crimping the outer circumference of the tubular portion 19 with the caulking band 16.SELECTED DRAWING: Figure 3

Description

本開示は、端子付電線に関するものである。 The present disclosure relates to an electric wire with a terminal.

従来、特許文献１等には、車両において機器同士を電気接続する端子付電線の一例として、ワイヤハーネスが記載されている。特許文献１のワイヤハーネスは、電線と、電線の両端に取り付け固定された端子とを備える。ワイヤハーネスは、電気接続したい２つの機器の一方に片方の端子を接続し、他方の機器に、もう片方の端子を接続することにより、これら機器を電気接続する。 Conventionally, Patent Document 1 and the like describe a wire harness as an example of an electric wire with a terminal that electrically connects devices to each other in a vehicle. The wire harness of Patent Document 1 includes an electric wire and terminals attached and fixed to both ends of the electric wire. The wire harness electrically connects these devices by connecting one terminal to one of the two devices to be electrically connected and connecting the other terminal to the other device.

特開２０１８−９２８３６号公報JP-A-2018-92836

近年、車両の電動化に応じて、ワイヤハーネスの電線も径が大きくなる傾向にある。このため、電線の端子を車体側の端子台に接続する場合に、電線が従来の大きさの径であれば十分であった公差吸収量では足りず、電線の端子を、端子台の決められた位置に接続することができない可能性があった。 In recent years, the diameter of the electric wire of the wire harness tends to increase in accordance with the electrification of the vehicle. For this reason, when connecting the terminal of the electric wire to the terminal block on the vehicle body side, the tolerance absorption amount that was sufficient if the electric wire had a diameter of the conventional size is not sufficient, and the terminal of the electric wire can be determined as the terminal block. There was a possibility that it could not be connected to the position.

そこで、電線及び端子の容易な位置調整を可能にした端子付電線を提供することを目的とする。 Therefore, it is an object of the present invention to provide an electric wire with a terminal which enables easy position adjustment of the electric wire and the terminal.

本開示の端子付電線は、導体の少なくとも一部が被覆材によって覆われた電線と、少なくとも１箇所にスリット部が形成された筒部の内部に前記電線の端部が嵌挿され、接続相手に電気接続される端子と、前記電線が嵌挿された前記筒部を、かしめによって前記電線と固定するカシメバンドとを備える。 The electric wire with a terminal of the present disclosure has an electric wire in which at least a part of a conductor is covered with a covering material, and an end portion of the electric wire is fitted and inserted into a tubular portion having a slit portion formed at at least one place, and a connection partner It is provided with a terminal electrically connected to the wire and a caulking band for fixing the tubular portion into which the wire is fitted to the wire by caulking.

本開示によれば、電線及び端子の容易な位置調整を可能にした端子付電線を提供することが可能となる。 According to the present disclosure, it is possible to provide an electric wire with a terminal which enables easy position adjustment of the electric wire and the terminal.

図１は、一実施形態の端子付電線を示す概略構成図である。FIG. 1 is a schematic configuration diagram showing an electric wire with a terminal according to an embodiment. 図２は、端子付電線の端子部分を示す概略斜視図である。FIG. 2 is a schematic perspective view showing a terminal portion of an electric wire with a terminal. 図３は、端子付電線の端子部分を示す概略分解斜視図である。FIG. 3 is a schematic exploded perspective view showing a terminal portion of an electric wire with a terminal. 図４は、端子付電線の全体を示す概略側面図である。FIG. 4 is a schematic side view showing the entire electric wire with terminals. 図５（ａ）〜（ｄ）は、端子付電線を端子台に固定する手順を示す説明図である。5 (a) to 5 (d) are explanatory views showing a procedure for fixing an electric wire with a terminal to a terminal block. 別例の端子付電線の端子部分を示す概略斜視図である。It is the schematic perspective view which shows the terminal part of the electric wire with a terminal of another example.

［本開示の実施形態の説明］
最初に本開示の実施態様を列記して説明する。
本開示の端子付電線は、
［１］電線と、少なくとも１箇所にスリット部が形成された筒部の内部に前記電線の端部が嵌挿され、接続相手に電気接続される端子と、前記電線が嵌挿された前記筒部を、かしめによって前記電線と固定するカシメバンドとを備える。 [Explanation of Embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.
The electric wire with terminal of this disclosure is
[1] A terminal into which an end portion of the electric wire is fitted and electrically connected to a connection partner, and a cylinder into which the electric wire is fitted, are inserted into the electric wire and a cylinder portion having a slit portion formed at at least one place. The portion is provided with a caulking band for fixing the electric wire to the electric wire by caulking.

この構成によれば、電線を端子の筒部の内部に挿し込み、筒部の外周をカシメバンドによってかしめることにより、電線及び端末を固定する。このため、電線を端子の筒部に挿し込む際に、その挿し込み量を調整するのみで、電線と端子との位置合わせを行うことができる。よって、電線及び端子を容易に位置調整することができる。 According to this configuration, the electric wire and the terminal are fixed by inserting the electric wire into the tubular portion of the terminal and crimping the outer circumference of the tubular portion with a caulking band. Therefore, when the electric wire is inserted into the tubular portion of the terminal, the position of the electric wire and the terminal can be aligned only by adjusting the insertion amount. Therefore, the positions of the electric wires and terminals can be easily adjusted.

［２］前記電線は、端部が被覆材に覆われずに導体が露出する形状に形成され、前記端子は、前記電線の端部において前記導体が露出する箇所に前記筒部が前記カシメバンドによって取り付け固定されていることが好ましい。この構成によれば、導体が露出した箇所に端子を挿し込むという簡素な取り付け構造とすることができる。 [2] The electric wire is formed in a shape in which the conductor is exposed without the end being covered with a covering material, and the terminal is a caulking band in which the tubular portion is at a position where the conductor is exposed at the end of the electric wire. It is preferable that it is attached and fixed by. According to this configuration, it is possible to have a simple mounting structure in which the terminal is inserted in the portion where the conductor is exposed.

［３］前記筒部の外周面には、前記カシメバンドの取り付け位置を案内する位置決め部が形成されていることが好ましい。この構成によれば、カシメバンドを筒部の適切な位置に取り付けることができる。 [3] It is preferable that a positioning portion for guiding the mounting position of the caulking band is formed on the outer peripheral surface of the tubular portion. According to this configuration, the caulking band can be attached to an appropriate position on the cylinder portion.

［４］前記端子は、前記筒部と、前記接続相手に電気接続される箇所となる電気接触部とを備える形状に形成され、前記電気接触部には、前記端子を前記接続相手に固定する際の締結部を通す真円又は正多角形状の孔が形成されていることが好ましい。この構成によれば、電線を端子の内部に挿し込み、カシメバンドでかしめて固定する構造によって電線及び端子の間の位置合わせを行うようにすれば、例えば固定用の締結部を通す孔が設けられた電気接触部の場合、その孔の形状を、位置調整を許容可能にする長孔ではなく、正多角形状の孔とすることができる。よって、電気接触部の孔を正多角形状の孔とした場合、この孔を長孔とする場合に比較して、電気接触部の大きさを小さくすることが可能となるので、端子の小型化に寄与する。 [4] The terminal is formed in a shape including the tubular portion and an electrical contact portion that is a portion that is electrically connected to the connection partner, and the terminal is fixed to the connection partner in the electrical contact portion. It is preferable that a perfect circular or regular polygonal hole is formed through which the fastening portion is passed. According to this configuration, if the electric wire is inserted into the terminal and the electric wire and the terminal are aligned by the structure of caulking and fixing with a caulking band, for example, a hole for passing the fixing portion is provided. In the case of the electric contact portion, the shape of the hole can be a regular polygonal hole instead of an elongated hole that allows position adjustment. Therefore, when the hole of the electrical contact portion is a regular polygonal hole, the size of the electrical contact portion can be reduced as compared with the case where this hole is an elongated hole, so that the size of the terminal can be reduced. Contribute to.

［５］前記端子及び前記カシメバンドの組は、前記電線の両端の少なくとも一方に設けられていることが好ましい。この構成によれば、電線の両端で公差吸収が可能となるので、電線及び端子の間の位置合わせを取りやすくすることができる。 [5] It is preferable that the set of the terminal and the caulking band is provided at at least one of both ends of the electric wire. According to this configuration, tolerance absorption is possible at both ends of the electric wire, so that it is possible to easily align the electric wire and the terminal.

［６］前記端子は、前記筒部の軸方向に沿って延びる前記スリット部が、径方向において対向するように一対設けられた形状に形成されていることが好ましい。この構成によれば、筒部にスリット部を複数設ければ、カシメバンドで端子をかしめる前、端子の筒部の開口を大きくすることが可能となるので、電線を筒部の開口に挿し込み易くすることができる。 [6] The terminal is preferably formed in a shape in which a pair of slit portions extending along the axial direction of the tubular portion are provided so as to face each other in the radial direction. According to this configuration, if a plurality of slits are provided in the cylinder, it is possible to increase the opening of the terminal cylinder before crimping the terminal with the caulking band, so that the electric wire is inserted into the opening of the cylinder. It can be easily crowded.

［７］前記端子は、前記筒部の軸方向に沿って延びる前記スリット部を１つのみ有する形状に形成されていることが好ましい。この構成によれば、端子の形状を、スリット部が１つのみの簡素な構成とすることができる。 [7] The terminal is preferably formed in a shape having only one slit portion extending along the axial direction of the tubular portion. According to this configuration, the shape of the terminal can be a simple configuration with only one slit portion.

［本開示の実施形態の詳細］
本開示の端子付電線の具体例を、以下に図面を参照しつつ説明する。なお、本発明はこれらの例示に限定されるものではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。各図面では、説明の便宜上、構成の一部を誇張又は簡略化して示す場合がある。また、各部分の寸法比率についても、実際とは異なる場合がある。 [Details of Embodiments of the present disclosure]
A specific example of the electric wire with a terminal of the present disclosure will be described below with reference to the drawings. It should be noted that the present invention is not limited to these examples, and is indicated by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims. In each drawing, a part of the structure may be exaggerated or simplified for convenience of explanation. In addition, the dimensional ratio of each part may differ from the actual one.

図１に示すように、端子付電線１は、ハイブリッド車や電気自動車等の車両２に搭載される。端子付電線１は、高圧回路を構成する高圧電線３と、低圧回路を構成する低圧電線４とを備えている。高圧電線３は、車両２の前部に搭載されたインバータ等の機器５と、車両２の後部に搭載された高圧バッテリ等の機器６とを電気的に接続する。インバータは、車両走行の動力源となる車輪駆動用のモータと接続され、高圧バッテリから交流電力を生成し、その交流電力をモータに供給する。高圧バッテリは、例えば数百ボルトの電圧を供給可能なバッテリである。 As shown in FIG. 1, the electric wire 1 with a terminal is mounted on a vehicle 2 such as a hybrid vehicle or an electric vehicle. The terminal-attached electric wire 1 includes a high-voltage electric wire 3 constituting a high-voltage circuit and a low-voltage electric wire 4 constituting a low-voltage circuit. The high-voltage power line 3 electrically connects a device 5 such as an inverter mounted on the front portion of the vehicle 2 and a device 6 such as a high-voltage battery mounted on the rear portion of the vehicle 2. The inverter is connected to a wheel drive motor that is a power source for vehicle traveling, generates AC power from a high-voltage battery, and supplies the AC power to the motor. The high voltage battery is a battery capable of supplying a voltage of, for example, several hundred volts.

低圧電線４は、車両２の前部に搭載されたヒューズボックス等の機器７と、車両２の後部に搭載された低圧バッテリ等の機器８とを電気的に接続する。低圧バッテリは、例えば１２ボルトの電圧を供給可能なバッテリである。端子付電線１は、例えば車両２の床下等を通るように配索される。端子付電線１は、例えば樹脂製のクランプ９を介して車体に固定されている。クランプ９は、車体に複数設けられてもよいし、１つのみ設けるようにしてもよい。 The low-voltage electric wire 4 electrically connects a device 7 such as a fuse box mounted on the front portion of the vehicle 2 and a device 8 such as a low-voltage battery mounted on the rear portion of the vehicle 2. The low voltage battery is, for example, a battery capable of supplying a voltage of 12 volts. The electric wire 1 with a terminal is arranged so as to pass under the floor of the vehicle 2, for example. The electric wire 1 with terminals is fixed to the vehicle body via, for example, a resin clamp 9. A plurality of clamps 9 may be provided on the vehicle body, or only one clamp 9 may be provided.

高圧電線３及び低圧電線４は、例えば車両２の前後方向に延びるように長尺状に形成されている。高圧電線３は、高電圧・大電流に対応可能である。高圧電線３及び低圧電線４は、例えば複数の金属素線を撚り合わせてなる芯線と、その芯線を被覆する絶縁被覆とを有している。高圧電線３及び低圧電線４は、自身に電磁波をシールドする電磁シールド構造を有するシールド電線であってもよいし、自身にシールド構造を有さないノンシールド電線であってもよい。高圧電線３は、一端部がコネクタを介して機器５と接続され、他端部がコネクタを介して機器６と接続されている。低圧電線４は、一端部が端子金具を介して機器７と接続され、他端部が端子金具を介して機器８と接続されている。 The high-voltage electric wire 3 and the low-voltage electric wire 4 are formed in a long shape so as to extend in the front-rear direction of the vehicle 2, for example. The high-voltage power line 3 can handle high voltage and large current. The high-voltage electric wire 3 and the low-voltage electric wire 4 have, for example, a core wire formed by twisting a plurality of metal strands and an insulating coating for covering the core wire. The high-voltage electric wire 3 and the low-voltage electric wire 4 may be shielded electric wires having an electromagnetic shield structure that shields electromagnetic waves by themselves, or may be non-shielded electric wires that do not have a shield structure by themselves. One end of the high-voltage power line 3 is connected to the device 5 via a connector, and the other end is connected to the device 6 via a connector. One end of the low-voltage electric wire 4 is connected to the device 7 via a terminal fitting, and the other end is connected to the device 8 via a terminal fitting.

図２及び図３に示すように、端子付電線１は、導体１２の少なくとも一部が被覆材１３によって覆われた電線１４と、電線１４の端部に取り付け固定された端子１５と、かしめによって端子１５を電線１４に固定するカシメバンド１６とを備える。高圧回路用の端子付電線１の場合、電線１４は、高圧電線３である。電線１４は、端部が被覆材１３に覆われずに導体１２が露出する形状に形成されている。導体１２は、両端以外の箇所が被覆材１３によって覆われている。 As shown in FIGS. 2 and 3, the terminal-attached electric wire 1 is formed by caulking the electric wire 14 in which at least a part of the conductor 12 is covered with the covering material 13, the terminal 15 attached and fixed to the end of the electric wire 14. A caulking band 16 for fixing the terminal 15 to the electric wire 14 is provided. In the case of the electric wire 1 with a terminal for a high-voltage circuit, the electric wire 14 is the high-voltage electric wire 3. The electric wire 14 is formed in a shape in which the conductor 12 is exposed without the end portion being covered by the covering material 13. The conductor 12 is covered with a covering material 13 at a portion other than both ends.

端子１５は、電線１４が挿通される筒部１９と、接続相手２０に電気接続される箇所となる電気接触部２１とを備える。端子１５の筒部１９は、電線１４の端部において導体１２が露出する箇所に取り付け固定されている。接続相手２０は、例えば車体側に設けられた端子台２０ａ（図４等参照）である。 The terminal 15 includes a tubular portion 19 through which the electric wire 14 is inserted, and an electrical contact portion 21 which is a portion electrically connected to the connection partner 20. The tubular portion 19 of the terminal 15 is attached and fixed at a portion where the conductor 12 is exposed at the end of the electric wire 14. The connection partner 20 is, for example, a terminal block 20a (see FIG. 4 or the like) provided on the vehicle body side.

筒部１９には、開口２２から内部に電線１４の端部が挿通され、少なくとも１箇所にスリット部２３が形成されている。本例のスリット部２３は、筒部１９の径方向において対向するように一対（計２つ）設けられている。スリット部２３は、筒部１９の長さ方向に沿って切り込み入った形状に形成されている。 The end portion of the electric wire 14 is inserted into the tubular portion 19 from the opening 22 inside, and a slit portion 23 is formed at at least one place. The slit portions 23 of this example are provided in pairs (two in total) so as to face each other in the radial direction of the tubular portion 19. The slit portion 23 is formed in a shape notched along the length direction of the tubular portion 19.

筒部１９の外周面には、カシメバンド１６の取り付け位置を案内する位置決め部２４が形成されている。位置決め部２４は、筒部１９の周方向全周に亘って凹設された溝部からなる。 A positioning portion 24 for guiding the mounting position of the caulking band 16 is formed on the outer peripheral surface of the tubular portion 19. The positioning portion 24 is composed of a groove portion recessed over the entire circumference of the tubular portion 19 in the circumferential direction.

電気接触部２１は、筒部１９の側面から突出するとともに略平板状に形成されている。電気接触部２１には、端子１５を接続相手２０（端子台２０ａ）に固定する際の締結部２７を通す真円又は正多角形状の孔２８（図３等参照）が形成されている。本例の孔２８の形状は、真円となっている。締結部２７は、例えばネジやボルトであることが好ましい。 The electrical contact portion 21 projects from the side surface of the tubular portion 19 and is formed in a substantially flat plate shape. The electrical contact portion 21 is formed with a perfect circular or regular polygonal hole 28 (see FIG. 3 and the like) through which the fastening portion 27 for fixing the terminal 15 to the connection partner 20 (terminal block 20a) is passed. The shape of the hole 28 in this example is a perfect circle. The fastening portion 27 is preferably, for example, a screw or a bolt.

カシメバンド１６は、筒部１９を外周から覆って締め付けるバンド本体部２９と、バンド本体部２９の締め付け量を調整する調整部３０とを備える。バンド本体部２９は、リング状をなすとともに、縮径及び拡径可能に調整部３０に連結されている。調整部３０には、例えばドライバ等の治具３１（図５（ｃ）参照）によって回されるネジ部３２が形成され、このネジ部３２の回し量を通じて、バンド本体部２９の径の大きさ、すなわち締め付け量が調整される。 The caulking band 16 includes a band main body 29 that covers and tightens the tubular portion 19 from the outer circumference, and an adjusting portion 30 that adjusts the tightening amount of the band main body 29. The band main body 29 has a ring shape and is connected to the adjusting portion 30 so that the diameter can be reduced and expanded. The adjusting portion 30 is formed with a screw portion 32 that is turned by, for example, a jig 31 such as a screwdriver (see FIG. 5C), and the size of the diameter of the band main body portion 29 is increased through the amount of turning of the screw portion 32. That is, the tightening amount is adjusted.

図４に示すように、端子１５及びカシメバンド１６の組は、端子付電線１の両端にそれぞれ設けられている。端子１５は、締結部２７を介して端子台２０ａに取り付け固定されている。締結部２７は、端子１５を間に介在させた状態で、端子台２０ａの締結穴３３に締結される。 As shown in FIG. 4, a set of the terminal 15 and the caulking band 16 is provided at both ends of the terminal-attached electric wire 1, respectively. The terminal 15 is attached and fixed to the terminal block 20a via the fastening portion 27. The fastening portion 27 is fastened to the fastening hole 33 of the terminal block 20a with the terminal 15 interposed therebetween.

本実施形態の作用について説明する。
図５（ａ）に示すように、端子付電線１の電線１４に端子１５を取り付けるにあたり、まずは筒部１９の外周にカシメバンド１６が仮止めされた端子１５を用意する。カシメバンド１６は、筒部１９の外周上の位置決め部２４に対し、緩い状態（きつく締め付けられていない状態）で嵌め込まれていることが好ましい。 The operation of this embodiment will be described.
As shown in FIG. 5A, when attaching the terminal 15 to the electric wire 14 of the electric wire 1 with a terminal, first, a terminal 15 to which the caulking band 16 is temporarily fixed is prepared on the outer circumference of the tubular portion 19. The caulking band 16 is preferably fitted loosely (not tightly tightened) to the positioning portion 24 on the outer circumference of the tubular portion 19.

図５（ｂ）に示すように、筒部１９の外周にカシメバンド１６が仮止めされた端子１５に、電線１４の端部を挿し込む。本例の場合、端子１５は、電線１４の端部において、被覆材１３が覆われていない導体１２の先端に取り付けられる。 As shown in FIG. 5B, the end portion of the electric wire 14 is inserted into the terminal 15 to which the caulking band 16 is temporarily fixed to the outer circumference of the tubular portion 19. In the case of this example, the terminal 15 is attached to the tip of the conductor 12 in which the covering material 13 is not covered at the end of the electric wire 14.

ところで、近年、自動車の電動化に伴って、端子付電線１に流す電流が大きくなり、その結果、端子付電線１の電線１４も径が大きくなる傾向にある。そのため、端子付電線１を端子台２０ａに固定するにあたり、端子付電線１を従来の端子で端子台２０ａに固定する構造では、端子付電線１の公差吸収機能、一例としては余長機能や寸法公差機能を満足することができない現状があった。余長機能は、例えば長さ方向の位置調整の機能である。寸法公差機能は、例えば寸法公差を吸収する機能である。仮に、端子付電線１の公差吸収機能が十分でないと、例えば端子付電線１の従来の端子と端子台２０ａとの位置関係が合わず、端子付電線１を端子台２０ａに固定できない問題に繋がる。 By the way, in recent years, with the electrification of automobiles, the current flowing through the terminal-attached electric wire 1 tends to increase, and as a result, the diameter of the terminal-attached electric wire 1 also tends to increase. Therefore, when fixing the electric wire 1 with a terminal to the terminal block 20a, in the structure in which the electric wire 1 with a terminal is fixed to the terminal block 20a with a conventional terminal, the tolerance absorption function of the electric wire 1 with a terminal, for example, the extra length function and dimensions. There was a current situation where the tolerance function could not be satisfied. The extra length function is, for example, a function of adjusting the position in the length direction. The dimensional tolerance function is, for example, a function of absorbing dimensional tolerances. If the tolerance absorption function of the terminal-attached electric wire 1 is not sufficient, for example, the positional relationship between the conventional terminal of the terminal-attached electric wire 1 and the terminal block 20a does not match, leading to a problem that the terminal-attached electric wire 1 cannot be fixed to the terminal block 20a. ..

図５（ｃ）において、端子付電線１を端子台２０ａに固定するにあたり、端子１５の孔２８を端子台２０ａの締結穴３３に位置を合わせながら、電線１４に対する端子１５の位置を調整する。電線１４に対する端子１５の位置調整は、電線１４に対する端子１５の挿し込み量によって調整する。そして、電線１４に対する端子１５の位置調整後、端子１５を電線１４にきつく固定するためにカシメバンド１６をかしめる。本例の場合、治具３１を使用して、カシメバンド１６をきつくかしめることが好ましい。カシメバンド１６がホースバンド（ホースクランプ）の場合、カシメバンド１６に設けられたネジ部３２を、治具３１としてのドライバ等で回して、きつくかしめる。これにより、電線１４の端部に端子１５が本止めされる。 In FIG. 5C, when fixing the electric wire 1 with a terminal to the terminal block 20a, the position of the terminal 15 with respect to the electric wire 14 is adjusted while aligning the hole 28 of the terminal 15 with the fastening hole 33 of the terminal block 20a. The position of the terminal 15 with respect to the electric wire 14 is adjusted by the amount of insertion of the terminal 15 with respect to the electric wire 14. Then, after adjusting the position of the terminal 15 with respect to the electric wire 14, the caulking band 16 is crimped in order to firmly fix the terminal 15 to the electric wire 14. In the case of this example, it is preferable to use a jig 31 to tighten the caulking band 16. When the caulking band 16 is a hose band (hose clamp), the screw portion 32 provided on the caulking band 16 is turned by a screwdriver or the like as a jig 31 to be tightened. As a result, the terminal 15 is finally fixed to the end of the electric wire 14.

図５（ｄ）に示すように、電線１４の端部に端子１５が本止めされた端子付電線１を、車体側に設けられた端子台２０ａに取り付け固定する。本例の場合、端子付電線１は、端子１５の電気接触部２１がボルト等の締結部２７によって端子台２０ａに固定される。本例の場合、締結部２７は、端子１５の孔２８に通されて、端子台２０ａの締結穴３３に締結される。以上の作業を各組の端子１５及び端子台２０ａで各々行い、端子付電線１を車体に取り付ける。 As shown in FIG. 5D, the electric wire 1 with a terminal whose terminal 15 is finally fixed to the end of the electric wire 14 is attached and fixed to the terminal block 20a provided on the vehicle body side. In the case of this example, in the electric wire 1 with terminals, the electrical contact portion 21 of the terminal 15 is fixed to the terminal block 20a by a fastening portion 27 such as a bolt. In the case of this example, the fastening portion 27 is passed through the hole 28 of the terminal 15 and fastened to the fastening hole 33 of the terminal block 20a. The above work is performed on each of the terminals 15 and the terminal block 20a of each set, and the electric wire 1 with terminals is attached to the vehicle body.

本実施形態の効果について説明する。
（１）端子付電線１は、電線１４と、少なくとも１箇所にスリット部２３が形成された筒部１９の内部に電線１４の端部が挿通され、接続相手２０である端子台２０ａに接続される端子１５と、電線１４が嵌挿された筒部１９を、かしめによって電線１４と固定するカシメバンド１６とを備える。 The effect of this embodiment will be described.
(1) The electric wire 1 with a terminal is connected to the terminal block 20a, which is the connection partner 20, by inserting the end of the electric wire 14 into the electric wire 14 and the tubular portion 19 in which the slit portion 23 is formed at least at one place. The terminal 15 and the caulking band 16 for fixing the tubular portion 19 into which the electric wire 14 is inserted to the electric wire 14 by caulking are provided.

本例の構成によれば、電線１４を端子１５の筒部１９の内部に挿し込み、筒部１９の外周をカシメバンド１６によってかしめることにより、電線１４及び端子１５を固定する。このため、電線１４を端子１５の筒部１９に挿し込む際に、その挿し込み量を調整するのみで、電線１４と端子１５との位置合わせを行うことができる。よって、電線１４及び端子１５を容易に位置調整することができる。 According to the configuration of this example, the electric wire 14 and the terminal 15 are fixed by inserting the electric wire 14 into the tubular portion 19 of the terminal 15 and caulking the outer circumference of the tubular portion 19 with the caulking band 16. Therefore, when the electric wire 14 is inserted into the tubular portion 19 of the terminal 15, the position of the electric wire 14 and the terminal 15 can be aligned only by adjusting the insertion amount. Therefore, the positions of the electric wire 14 and the terminal 15 can be easily adjusted.

（２）電線１４は、端部が被覆材１３に覆われずに導体１２が露出する形状に形成されている。端子１５は、電線１４の端部において導体１２が露出する箇所に筒部１９がカシメバンド１６によって取り付け固定されている。この場合、導体１２が露出した箇所に端子１５を挿し込むという簡素な取り付け構造とすることができる。 (2) The electric wire 14 is formed in a shape in which the conductor 12 is exposed without the end portion being covered by the covering material 13. The terminal 15 has a tubular portion 19 attached and fixed by a caulking band 16 at a portion where the conductor 12 is exposed at the end of the electric wire 14. In this case, a simple mounting structure can be obtained in which the terminal 15 is inserted into the exposed portion of the conductor 12.

（３）筒部１９の外周面には、カシメバンド１６の取り付け位置を案内する位置決め部２４が形成されている。よって、カシメバンド１６を筒部１９の適切な位置に取り付けることができる。 (3) A positioning portion 24 for guiding the mounting position of the caulking band 16 is formed on the outer peripheral surface of the tubular portion 19. Therefore, the caulking band 16 can be attached to the tubular portion 19 at an appropriate position.

（４）端子１５は、筒部１９と、接続相手２０（本例は端子台２０ａ）に電気接続される箇所となる電気接触部２１とを備える形状に形成されている。電気接触部２１には、端子１５を接続相手２０（本例は端子台２０ａ）に固定する際の締結部２７を通す真円（正多角形状も可）の孔２８が形成されている。本例のように、電線１４を端子１５の内部に挿し込み、カシメバンド１６でかしめて固定する構造によって電線１４及び端子１５の位置合わせを行うようにすれば、例えば接続相手２０（本例は端子台２０ａ）への固定用の締結部２７を通す孔２８が設けられた電気接触部２１の場合、その孔２８の形状を、位置調整を許容する長孔ではなく、真円（正多角形状も可）とすることができる。よって、孔２８の形状を長孔とする場合に比較して、電気接触部２１の大きさを小さくすることが可能となるので、端子１５の小型化に寄与する。 (4) The terminal 15 is formed in a shape including a tubular portion 19 and an electrical contact portion 21 which is a portion electrically connected to a connection partner 20 (terminal block 20a in this example). The electrical contact portion 21 is formed with a perfect circular (regular polygonal shape) hole 28 through which the fastening portion 27 for fixing the terminal 15 to the connection partner 20 (terminal block 20a in this example) is passed. As in this example, if the electric wire 14 is inserted into the terminal 15 and the electric wire 14 and the terminal 15 are aligned by a structure in which the electric wire 14 and the terminal 15 are crimped and fixed by the caulking band 16, for example, the connection partner 20 (in this example, the connection partner 20). In the case of the electric contact portion 21 provided with the hole 28 through which the fastening portion 27 for fixing to the terminal block 20a) is provided, the shape of the hole 28 is not a long hole that allows position adjustment, but a perfect circle (regular polygonal shape). Can also be used). Therefore, the size of the electrical contact portion 21 can be reduced as compared with the case where the shape of the hole 28 is an elongated hole, which contributes to the miniaturization of the terminal 15.

（５）端子１５及びカシメバンド１６の組は、電線１４の両端の少なくとも一方に設けられている。この場合、例えば電線１４の両端に端子１５及びカシメバンド１６の組を設ければ、電線１４の両端で公差吸収が可能となるので、電線１４及び端子１５の間の位置合わせを取り易くすることができる。 (5) The set of the terminal 15 and the caulking band 16 is provided at at least one of both ends of the electric wire 14. In this case, for example, if a pair of the terminal 15 and the caulking band 16 is provided at both ends of the electric wire 14, tolerance absorption is possible at both ends of the electric wire 14, so that the alignment between the electric wire 14 and the terminal 15 can be easily performed. Can be done.

（６）端子１５は、筒部１９の軸方向に沿って延びるスリット部２３が、径方向において対向するように一対設けられた形状に形成されている。よって、カシメバンド１６で端子１５をかしめる前、複数のスリット部２３の開きによって、端子１５の筒部１９の開口２２を大きくとっておくことが可能となるので、電線１４を筒部１９に挿し込み易くすることができる。 (6) The terminal 15 is formed in a shape in which a pair of slit portions 23 extending along the axial direction of the tubular portion 19 are provided so as to face each other in the radial direction. Therefore, before the terminal 15 is crimped by the caulking band 16, the opening 22 of the tubular portion 19 of the terminal 15 can be made large by opening the plurality of slit portions 23, so that the electric wire 14 is attached to the tubular portion 19. It can be easily inserted.

本実施形態は、以下のように変更して実施することができる。本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。
・図６に示すように、端子１５は、筒部１９の軸方向に沿って延びるスリット部２３を１つのみ有する形状に形成されてもよい。この場合、端子１５の形状を、スリット部２３が１つのみの簡素な構成とすることができる。 This embodiment can be modified and implemented as follows. The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
As shown in FIG. 6, the terminal 15 may be formed in a shape having only one slit portion 23 extending along the axial direction of the tubular portion 19. In this case, the shape of the terminal 15 can be a simple configuration with only one slit portion 23.

・端子１５の筒部１９は、例えば孔や凹部等が形成された形状でもよい。
・端子１５の筒部１９は、導体１２及び被覆材１３の両方が内部に挿し込まれる取り付け状態をとってもよい。 The tubular portion 19 of the terminal 15 may have, for example, a shape in which a hole, a recess, or the like is formed.
The tubular portion 19 of the terminal 15 may be in a mounted state in which both the conductor 12 and the covering material 13 are inserted therein.

・端子１５の電気接触部２１は、板状に限定されず、例えばブロック状等の他の形状に変えてもよい。
・電気接触部２１の孔２８は、真円に限らず、例えば四角形状や六角形状としてもよい。 The electrical contact portion 21 of the terminal 15 is not limited to a plate shape, and may be changed to another shape such as a block shape.
-The hole 28 of the electrical contact portion 21 is not limited to a perfect circle, and may be, for example, a quadrangular shape or a hexagonal shape.

・端子１５は、筒部１９及び電気接触部２１を有する形状に限らず、端子付電線１を端子台２０ａに接続できる形状であればよい。
・スリット部２３は、例えば斜め方向に延びる形状としてもよい。 The terminal 15 is not limited to the shape having the tubular portion 19 and the electrical contact portion 21, and may be any shape as long as the electric wire 1 with terminals can be connected to the terminal block 20a.
The slit portion 23 may have a shape extending in an oblique direction, for example.

・スリット部２３は、直線状に限らず、例えば曲線状や段状などの他の形状に変えてもよい。
・スリット部２３は、３つ以上設けられてもよい。 The slit portion 23 is not limited to a linear shape, and may be changed to another shape such as a curved shape or a stepped shape.
-Three or more slit portions 23 may be provided.

・スリット部２３を複数設ける場合、これらスリット部２３を互いに異なる形状としてもよい。
・スリット部２３を複数設ける場合、筒部１９の周方向に等間隔に配置されることに限らず、非等間隔の配置としてもよい。 When a plurality of slit portions 23 are provided, these slit portions 23 may have different shapes from each other.
When a plurality of slit portions 23 are provided, they are not limited to being arranged at equal intervals in the circumferential direction of the tubular portions 19, and may be arranged at non-equal intervals.

・端子１５は、端子台２０ａの締結穴３３に位置合わせしながら、カシメバンド１６によって電線１４に固定される取り付け手順をとることに限定されない。例えば、電線１４及び端子１５の位置関係が、ある程度分かっているのであれば、端子１５を端子台２０ａの締結穴３３に位置合わせすることはせず、先に電線１４及び端子１５をカシメバンド１６で固定してしまい、その後、端子１５を端子台２０ａに位置合わせして固定する手順をとってもよい。 The terminal 15 is not limited to taking the mounting procedure of being fixed to the electric wire 14 by the caulking band 16 while aligning with the fastening hole 33 of the terminal block 20a. For example, if the positional relationship between the electric wire 14 and the terminal 15 is known to some extent, the terminal 15 is not aligned with the fastening hole 33 of the terminal block 20a, and the electric wire 14 and the terminal 15 are first crimped with the caulking band 16. After that, the terminal 15 may be aligned with the terminal block 20a and fixed.

・端子１５を端子台２０ａに固定する締結部２７は、ネジに限らず、ピン等の他の部材に変えてもよい。
・端子１５を端子台２０ａに固定する方法は、締結部２７を用いた構造に限らず、例えば溶着などの他の方法を用いてもよい。 The fastening portion 27 for fixing the terminal 15 to the terminal block 20a is not limited to a screw, and may be changed to another member such as a pin.
The method of fixing the terminal 15 to the terminal block 20a is not limited to the structure using the fastening portion 27, and other methods such as welding may be used.

・カシメバンド１６は、ホースバンドに限定されず、かしめによって電線１４及び端子１５を固定できる部材であればよい。
・カシメバンド１６は、金属製に限定されず、樹脂製でもよい。 The caulking band 16 is not limited to the hose band, and may be any member as long as the electric wire 14 and the terminal 15 can be fixed by caulking.
-The caulking band 16 is not limited to metal, but may be made of resin.

・カシメバンド１６の取り付け位置を案内する位置決め部２４は、凹部に限定されない。例えば、筒部１９及びカシメバンド１６の一方に突部を設け、この突部を、これらの他方に係止することで、カシメバンド１６の取り付け位置を決めるものでもよい。 The positioning portion 24 that guides the mounting position of the caulking band 16 is not limited to the recess. For example, a protrusion may be provided on one of the tubular portion 19 and the caulking band 16, and the protrusion may be locked to the other to determine the mounting position of the caulking band 16.

・端子１５及びカシメバンド１６の組は、電線１４の片方の端部にのみ設けられてもよい。すなわち、端子１５及びカシメバンド１６の組は、電線１４の少なくとも一方の端部に設けられていればよい。 The set of the terminal 15 and the caulking band 16 may be provided only at one end of the electric wire 14. That is, the set of the terminal 15 and the caulking band 16 may be provided at at least one end of the electric wire 14.

・端子付電線１は、電線１４を内部に収納する筒状のパイプを備えてもよい。
・端子１５及びカシメバンド１６を備える端子ユニットが製品として販売されてもよい。 -The electric wire 1 with a terminal may include a tubular pipe for accommodating the electric wire 14 inside.
A terminal unit including the terminal 15 and the caulking band 16 may be sold as a product.

・端子付電線１は、車載用に限らず、他の機器や装置に使用されてもよい。 -The electric wire 1 with terminals may be used not only for in-vehicle use but also for other devices and devices.

１…端子付電線
２…車両
３…高圧電線
４…低圧電線
５〜８…機器
９…クランプ
１２…導体
１３…被覆材
１４…電線
１５…端子
１６…カシメバンド
１９…筒部
２０…接続相手
２０ａ…端子台
２１…電気接触部
２２…開口
２３…スリット部
２４…位置決め部
２７…締結部
２８…孔
２９…バンド本体部
３０…調整部
３１…治具
３２…ネジ部
３３…締結穴 1 ... Electric wire with terminal 2 ... Vehicle 3 ... High-voltage electric wire 4 ... Low-voltage electric wire 5-8 ... Equipment 9 ... Clamp 12 ... Conductor 13 ... Coating material 14 ... Electric wire 15 ... Terminal 16 ... Caulking band 19 ... Cylinder 20 ... Connection partner 20a ... Terminal block 21 ... Electrical contact part 22 ... Opening 23 ... Slit part 24 ... Positioning part 27 ... Fastening part 28 ... Hole 29 ... Band body part 30 ... Adjusting part 31 ... Jigger 32 ... Screw part 33 ... Fastening hole

Claims (7)

電線と、
少なくとも１箇所にスリット部が形成された筒部の内部に前記電線の端部が嵌挿され、接続相手に電気接続される端子と、
前記電線が嵌挿された前記筒部を、かしめによって前記電線と固定するカシメバンドと
を備える端子付電線。 With electric wires
A terminal in which the end of the electric wire is fitted and inserted into a cylinder having slits formed at at least one place and electrically connected to a connection partner.
A terminal-equipped electric wire including a caulking band for fixing the electric wire to the electric wire by caulking the tubular portion into which the electric wire is inserted. 前記電線は、端部が被覆材に覆われずに導体が露出する形状に形成され、
前記端子は、前記電線の端部において前記導体が露出する箇所に前記筒部が前記カシメバンドによって取り付け固定されている
請求項１に記載の端子付電線。 The electric wire is formed in a shape in which the conductor is exposed without the end being covered with the covering material.
The electric wire with a terminal according to claim 1, wherein the terminal is attached and fixed by the caulking band at a portion where the conductor is exposed at the end of the electric wire. 前記筒部の外周面には、前記カシメバンドの取り付け位置を案内する位置決め部が形成されている
請求項１又は請求項２に記載の端子付電線。 The electric wire with a terminal according to claim 1 or 2, wherein a positioning portion for guiding the mounting position of the caulking band is formed on the outer peripheral surface of the tubular portion. 前記端子は、前記筒部と、前記接続相手に電気接続される箇所となる電気接触部とを備える形状に形成され、
前記電気接触部には、前記端子を前記接続相手に固定する際の締結部を通す真円又は正多角形状の孔が形成されている
請求項１から請求項３のいずれか一項に記載の端子付電線。 The terminal is formed in a shape including the tubular portion and an electrical contact portion that serves as a portion that is electrically connected to the connection partner.
The invention according to any one of claims 1 to 3, wherein the electrical contact portion is formed with a perfect circular or regular polygonal hole through which the fastening portion for fixing the terminal to the connection partner is formed. Electric wire with terminals. 前記端子及び前記カシメバンドの組は、前記電線の両端の少なくとも一方に設けられている
請求項１から請求項４のいずれか一項に記載の端子付電線。 The terminal-equipped electric wire according to any one of claims 1 to 4, wherein the set of the terminal and the caulking band is provided at at least one of both ends of the electric wire. 前記端子は、前記筒部の軸方向に沿って延びる前記スリット部が、径方向において対向するように一対設けられた形状に形成されている
請求項１から請求項５のいずれか一項に記載の端子付電線。 The terminal according to any one of claims 1 to 5, wherein the slit portions extending along the axial direction of the tubular portion are formed in a shape in which a pair of slit portions are provided so as to face each other in the radial direction. Wire with terminal. 前記端子は、前記筒部の軸方向に沿って延びる前記スリット部を１つのみ有する形状に形成されている
請求項１から請求項５のいずれか一項に記載の端子付電線。 The electric wire with a terminal according to any one of claims 1 to 5, wherein the terminal is formed in a shape having only one slit portion extending along the axial direction of the tubular portion.
JP2019228261A 2019-12-18 2019-12-18 Terminal-equipped wire Pending JP2021096977A (en)

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