JPH08222285A - Connecting structure of terminal metal fitting and electric wire - Google Patents

Connecting structure of terminal metal fitting and electric wire

Info

Publication number
JPH08222285A
JPH08222285A JP2304495A JP2304495A JPH08222285A JP H08222285 A JPH08222285 A JP H08222285A JP 2304495 A JP2304495 A JP 2304495A JP 2304495 A JP2304495 A JP 2304495A JP H08222285 A JPH08222285 A JP H08222285A
Authority
JP
Japan
Prior art keywords
terminal
electric wire
heat
cover
fitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2304495A
Other languages
Japanese (ja)
Inventor
Hirotaka Baba
裕隆 馬場
Takahiro Kato
孝裕 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to JP2304495A priority Critical patent/JPH08222285A/en
Publication of JPH08222285A publication Critical patent/JPH08222285A/en
Withdrawn legal-status Critical Current

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  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

PURPOSE: To prevent heating of a fuse box or the like in which a a terminal metal fitting and a terminal housing chamber are arranged by radiating heat generated in the terminal metal fitting and an electric wire connecting part. CONSTITUTION: A cylindrical heat radiating cover 1 to surround a connecting part between a terminal metal fitting 2 and an electric wire W is formed of a layered material composed of a heat conductive metallic material 1d and insulating resin material 1e covering its surface. A fixing part 1a from which the insulating resin material is removed is arranged on one end of this heat radiating cover, and this fixing part is fixed to an electric wire connecting position of the terminal metal fitting by soldering or ultrasonic welding or electric resistance welding. When this terminal metal fitting is housed in a terminal housing chamber of a fuse box or the like, the other end of the heat radiating cover is projected outside from the opening end of the terminal housing chamber.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、圧着端子等の端子金具
と電線との接続構造に関し、特に、ヒューズボックス内
等に装着される大電流用の端子金具と電線との接続部に
おいて、該接続部における放熱を効果的に図り、ボック
ス内での加熱を防止するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a terminal fitting such as a crimp terminal to an electric wire, and more particularly to a connecting portion between a terminal fitting for a large current mounted in a fuse box and the electric wire. It is intended to effectively dissipate heat in the connection portion and prevent heating in the box.

【0002】[0002]

【従来の技術】自動車用ワイヤハーネスに用いられる電
線は、その先端に圧着端子、圧接端子などの端子金具を
取り付け、接続する相手方の端子金具と雌雄嵌合して接
続している。例えば、圧着端子を取り付ける場合は、電
線先端の絶縁被覆を皮剥ぎして芯線を露出させ、該芯線
を圧着端子の芯線バレルにかしめ接続している。露出さ
せた芯線を端子金具に半田付けで固着する場合もある。
また、圧接端子と接続する場合は、圧接端子の刃部によ
り絶縁被覆を切断して刃部を芯線と接続させている。
2. Description of the Related Art An electric wire used in a wire harness for an automobile is equipped with a terminal fitting such as a crimp terminal or a pressure contact terminal at its tip and is mated with a mating terminal fitting to be connected. For example, when a crimp terminal is attached, the insulation coating on the tip of the wire is stripped to expose the core wire, and the core wire is caulked and connected to the core wire barrel of the crimp terminal. The exposed core wire may be fixed to the terminal fitting by soldering.
Further, when connecting to the pressure contact terminal, the insulating coating is cut by the blade portion of the pressure contact terminal to connect the blade portion to the core wire.

【0003】上記電線の先端に取り付けた端子金具は、
コネクタハウジング、リレーボックスあるいはヒューズ
ボックスに並設された多数の端子収容室に挿入してお
り、例えば、雄コネクタハウジングと雌コネクタハウジ
ングとを雌雄嵌合すること等により、電源側と負荷側の
電装品とを接続する電気回路を構成している。
The terminal fitting attached to the end of the electric wire is
It is inserted into a large number of terminal accommodating chambers arranged side by side in a connector housing, a relay box or a fuse box. For example, by fitting a male connector housing and a female connector housing to each other, the electrical components on the power source side and the load side are electrically connected. It constitutes an electrical circuit that connects the product.

【0004】[0004]

【発明が解決しようとする課題】上記電線の芯線と端子
金具との接続部、例えば、圧着端子の場合、芯線バレル
による芯線のかしめ部の周辺に、局部的に発熱が発生し
やすい。発熱が生じると、抵抗値が大となって最大通電
量が低下すると共に、端子収容室を設けたコネクタハウ
ジング、リレーボックス、ヒューズボックス等の樹脂ケ
ースを加熱して軟化させ、最終的にはケースを溶かす恐
れもあった。
In the case of the connecting portion between the core wire of the electric wire and the terminal fitting, for example, a crimp terminal, heat is likely to be locally generated around the crimped portion of the core wire by the core barrel. When heat is generated, the resistance value becomes large and the maximum energization amount decreases, and at the same time, the resin housing of the connector housing, relay box, fuse box, etc. in which the terminal accommodating chamber is installed is softened by heating, and finally the case. There was also a risk of melting.

【0005】特に、ヒューズボックス内で電源側の電線
と負荷側の電線とをヒューズを介して接続する場合、図
5に示すように、大電流が流れる電源側の電線Wに接続
した圧着端子T1とヒューズHのオスタブT2との接続
部では、圧着端子T1の芯線バレルVの幅が狭いため、
抵抗値が高くなり、通電により発熱しやく、ヒューズボ
ックスが加熱されやすい問題があった。
In particular, when connecting the electric wire on the power supply side and the electric wire on the load side in the fuse box through a fuse, as shown in FIG. 5, a crimp terminal T1 connected to the electric wire W on the power supply side through which a large current flows. Since the width of the core barrel V of the crimp terminal T1 is narrow at the connecting portion between the fuse H and the male tab T2 of the fuse H,
There is a problem in that the resistance value becomes high, heat is easily generated by energization, and the fuse box is easily heated.

【0006】本発明は、上記問題に鑑みてなされたもの
で、端子金具と電線との接続部に局部的に発生する熱を
効率良く放熱し、発熱を低減して、ヒューズボックス、
リレーボックス、コネクタハウジングの加熱を防止する
ことを目的としている。
The present invention has been made in view of the above problems, and efficiently radiates the heat locally generated at the connecting portion between the terminal fitting and the electric wire to reduce the heat generation, thereby improving the fuse box,
The purpose is to prevent heating of the relay box and connector housing.

【0007】[0007]

【課題を解決するための手段】本発明は、上記目的を達
成するため、請求項1で、熱伝導性を有する金属材と、
その表面に被覆した絶縁樹脂材とからなる積層材料によ
り、端子金具と電線との接続部を囲む筒形状をした放熱
用カバーを形成し、該放熱用カバーの一端に上記絶縁樹
脂材を除去した固着部を設け、該固着部を上記端子金具
の電線接続位置に半田付け或いは超音波溶接、電気抵抗
溶接で固着し、該端子金具をヒューズボックス等の端子
収容室に収容した時に上記放熱用カバーの他端が端子収
容室の開口端近傍に位置するように設定していることを
特徴とする端子金具と電線との接続構造を提供してい
る。
In order to achieve the above object, the present invention provides a metal material having thermal conductivity according to claim 1.
A cylindrical heat dissipation cover surrounding the connection between the terminal fitting and the electric wire was formed of a laminated material composed of an insulating resin material coated on the surface, and the insulation resin material was removed at one end of the heat dissipation cover. The fixing portion is provided, and the fixing portion is fixed to the wire connection position of the terminal fitting by soldering, ultrasonic welding, or electric resistance welding, and the heat radiation cover when the terminal fitting is housed in a terminal housing chamber such as a fuse box. Is provided so that the other end thereof is located in the vicinity of the open end of the terminal accommodating chamber.

【0008】上記放熱用カバーを形成する金属材として
は、アルミ、銅、鋼板などが用いられ、絶縁性樹脂材と
しては塩化ビニール樹脂、ポリエチレン樹脂などが用い
られ、該金属材と絶縁性樹脂材との積層材料の厚さは端
子金具を形成する金属材と厚さの以下で、0.5mm以下
としている。
Aluminum, copper, steel plate or the like is used as the metal material forming the heat dissipation cover, and vinyl chloride resin, polyethylene resin or the like is used as the insulating resin material. The metal material and the insulating resin material are used. The thickness of the laminated material is less than or equal to the thickness of the metal material forming the terminal fitting and is 0.5 mm or less.

【0009】また、請求項2で、上記放熱用カバーは、
平板形状の剛性を有する上記積層材料を湾曲して筒形状
に形成しており、上記一端の固着部より他端側へと径が
拡大するスカート状とした接続構造を提供している。
尚、スカート状とした場合にも、該放熱用カバーがヒュ
ーズボックス、リレーボックスあるいはコネクタハウジ
ングの端子収容室に挿入しえる大きさに設定している。
Further, in claim 2, the heat radiation cover is
A flat-plate-shaped laminated material having rigidity is formed into a curved tubular shape, and a skirt-shaped connection structure is provided in which the diameter is expanded from the fixed portion at the one end to the other end.
Even in the case of the skirt shape, the heat radiation cover is set to a size that can be inserted into the terminal housing chamber of the fuse box, the relay box or the connector housing.

【0010】さらに、請求項3で、上記端子金具は圧着
端子からなり、上記放熱用カバーの固着部を上記圧着端
子の芯線バレルの外周面に半田付けして固着し、該放熱
用カバーの他端を上記端子収容室の開口端より僅かに突
出させるように設定している端子金具の電線との接続構
造を提供している。尚、電線と接続する端子金具は、上
記圧着端子に限定されず、圧接端子および電線より露出
させた芯線と半田付けで固着するものに対しても、上記
放熱用カバーを取り付けて、電線接続部に発生する熱を
放熱することができる。
Further, according to a third aspect of the present invention, the terminal fitting is a crimp terminal, and the fixing portion of the heat radiation cover is fixed to the outer peripheral surface of the core wire barrel of the crimp terminal by soldering. There is provided a connection structure with a wire of a terminal fitting, the end of which is set to slightly project from the open end of the terminal accommodating chamber. The terminal fittings connected to the electric wire are not limited to the above-mentioned crimp terminal, and the heat radiation cover is attached to the electric wire connecting portion even for the pressure contact terminal and those which are fixed to the core wire exposed from the electric wire by soldering. It is possible to dissipate the heat generated in the.

【0011】[0011]

【作用】上記請求項1に記載の端子金具と電線との接続
構造とすると、電線の芯線と端子金具との接続部に熱伝
導性のよい放熱用カバーを取り付けているため、接続部
に局部的に発生する熱は、放熱用カバーを伝導して端子
収容室の開口側より外部に放熱できる。よって、端子金
具が発熱により高熱となり、最大通電量が低下し、負荷
側部品への通電量の低下による熱影響を防止することが
できる。かつ、加熱により樹脂製の端子収容ボックスの
軟化発生を防止できる。また、放熱用カバーの表面に
は、絶縁性樹脂層が存在するためショート発生などの問
題は生じない。
In the connection structure of the terminal metal fitting and the electric wire according to the above-mentioned claim 1, since the heat dissipation cover having good thermal conductivity is attached to the connection portion between the core wire of the electric wire and the terminal metal fitting, the connection portion is locally formed. The heat that is generated can be radiated to the outside from the opening side of the terminal accommodating chamber by conducting through the heat radiating cover. As a result, the terminal fitting becomes highly heated due to heat generation, the maximum amount of electricity is reduced, and it is possible to prevent the thermal influence due to the reduction in the amount of electricity to the load side component. Moreover, it is possible to prevent softening of the resin-made terminal housing box due to heating. Further, since the insulating resin layer is present on the surface of the heat dissipation cover, there is no problem such as short circuit.

【0012】請求項2に記載の如く、放熱用カバーに剛
性を持たせると、半田付け、超音波溶接、電気抵抗溶接
などによる端子金具との固着作業を安定して行うことが
できる。また、端子収容室の開口側に向かって広がるス
カート形状とすると、放熱用カバーの面積を大とでき、
その分、放熱性を高めることができる。
If the heat dissipation cover is made rigid as described in the second aspect, the fixing work with the terminal fitting by soldering, ultrasonic welding, electric resistance welding or the like can be stably performed. In addition, if the skirt shape widens toward the opening side of the terminal accommodating chamber, the area of the heat dissipation cover can be increased,
To that extent, heat dissipation can be improved.

【0013】請求項3に記載の如く、端子金具が圧着端
子の場合、特に、電線の芯線とかしめ圧着する芯線バレ
ルの面積が小さく、芯線バレル部分での抵抗値が高くな
り、局部的な発熱が発生しやすいため、芯線バレルの外
周面に放熱用カバーを半田付けで固着すると、局部的に
発生する熱を効率よく放熱でき、芯線バレルからの発熱
を低減できる。
When the terminal fitting is a crimp terminal as described in claim 3, in particular, the area of the core wire barrel to be crimped by crimping with the core wire of the electric wire is small, the resistance value in the core wire barrel portion becomes high, and the local heat generation occurs. Therefore, if the heat dissipation cover is fixed to the outer peripheral surface of the core barrel by soldering, the heat locally generated can be efficiently dissipated, and the heat generated from the core barrel can be reduced.

【0014】[0014]

【実施例】以下、本発明を図面に示す実施例により詳細
に説明する。図1は放熱用カバー1を示し、図2は該放
熱用カバー1を雌型の電気接続部2aを有する圧着端子
2に固着した状態を示している。放熱用カバー1は平板
を筒形状に折り曲げたもので、長さ方向の一端に小径円
筒部からなる固着部1aを設けると共に、該固着部1aよ
り他端1bにむかって径が広がるスカート部1cとしてい
る。該放熱用カバー1の径は、図1に点線で示すヒュー
ズボックスの端子収容室3内に挿入できる大きさに設定
し、かつ、長さは他端1bが端子収容室3の開口端3aよ
り僅かに突出する長さに設定している。尚、放熱用カバ
ー1の他端1bは必ずしも開口端3aより突出させる必要
はないが、開口端3aより外部に突出させた方が放熱効
果が高まるために好ましい。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. FIG. 1 shows a heat radiating cover 1, and FIG. 2 shows a state in which the heat radiating cover 1 is fixed to a crimp terminal 2 having a female type electrical connecting portion 2a. The heat radiating cover 1 is formed by bending a flat plate into a tubular shape. A fixing portion 1a including a small-diameter cylindrical portion is provided at one end in the length direction, and a skirt portion 1c whose diameter is expanded from the fixing portion 1a to the other end 1b. I am trying. The diameter of the heat-dissipating cover 1 is set so that it can be inserted into the terminal accommodating chamber 3 of the fuse box shown by the dotted line in FIG. 1, and the other end 1b is longer than the opening end 3a of the terminal accommodating chamber 3. The length is set to slightly project. The other end 1b of the heat radiation cover 1 does not necessarily have to project from the opening end 3a, but it is preferable to project it from the opening end 3a to the outside because the heat radiation effect is enhanced.

【0015】放熱用カバー1は図3に示すように、銅板
からなる金属材1dの一面に塩化ビニール樹脂からなる
絶縁性樹脂材1eをコーティングした積層材からなる。
上記したように、該積層材を湾曲させて円筒形状として
いるが、円筒形状で、外周面に絶縁性樹脂1eが位置す
るようにし、かつ、一端の固着部1aの表面の絶縁性樹
脂1eは除去して、後述する半田付けが可能となるよう
にしている。尚、上記金属材1dは熱伝導性が良いもの
であれば良く、銅板に限定されず、同様に絶縁性樹脂1
eも塩化ビニール樹脂に限定されない。
As shown in FIG. 3, the heat dissipation cover 1 is made of a laminated material in which one surface of a metal material 1d made of a copper plate is coated with an insulating resin material 1e made of vinyl chloride resin.
As described above, although the laminated material is curved to have a cylindrical shape, the insulating resin 1e has a cylindrical shape and the insulating resin 1e is located on the outer peripheral surface, and the insulating resin 1e on the surface of the fixing portion 1a at one end is It is removed so that the soldering described later can be performed. The metal material 1d is not limited to a copper plate as long as it has good thermal conductivity, and the insulating resin
e is not limited to vinyl chloride resin.

【0016】放熱用カバー1を圧着端子2に固着する工
程は、図4に示す如く、まず、電線Wに放熱用カバー1
を取り付けておく。ついで、電線Wの先端の絶縁被覆4
を皮剥ぎして露出させた芯線5に圧着端子2の芯線バレ
ル2bをかしめ圧着すると共に、圧着端子2の絶縁被覆
バレル2cを電線Wの絶縁被覆4にかしめ圧着して取り
付ける。その後、電線Wに予め取り付けている放熱用カ
バー1を圧着端子2側へと被せる。
In the step of fixing the heat radiation cover 1 to the crimp terminal 2, as shown in FIG.
Attached. Then, the insulation coating 4 on the tip of the wire W
The core wire barrel 2b of the crimp terminal 2 is caulked and crimped onto the exposed core wire 5 and the insulation coating barrel 2c of the crimp terminal 2 is caulked and crimped onto the insulation coating 4 of the electric wire W to be attached. Then, the heat dissipation cover 1 previously attached to the electric wire W is covered on the crimp terminal 2 side.

【0017】放熱用カバー1の固着部1aが圧着端子2
の芯線バレル2bの外周面に外嵌する位置で放熱用カバ
ー1を停止し、半田付け機10を用いて、半田11によ
り固着部1aと芯線バレル2bとを固着する。放熱用カバ
ー1は、その先端の固着部1aが芯線バレル2bと固着し
た状態で、絶縁被覆バレル2cおよび電線Wの端末部分
を囲む状態で電線Wと圧着端子2との接続部分に取り付
けられる。
The fixing portion 1a of the heat radiation cover 1 has a crimp terminal 2
The heat radiation cover 1 is stopped at a position where it is fitted onto the outer peripheral surface of the core wire barrel 2b, and the fixing portion 1a and the core wire barrel 2b are fixed to each other by the solder 11 using the soldering machine 10. The heat radiating cover 1 is attached to the connecting portion between the electric wire W and the crimp terminal 2 in a state where the fixing portion 1a at the tip thereof is fixed to the core barrel 2b and surrounds the insulating coating barrel 2c and the end portion of the electric wire W.

【0018】上記のようにして放熱用カバー1を芯線バ
レル2bの外周面に固着しておくと、該圧着端子2を図
1に示すヒューズボックスの端子収容室3に挿入した場
合、放熱用カバー1の他端1bは端子収容室3の開口端
3aより僅かに外部に突出した状態となる。
When the heat radiation cover 1 is fixed to the outer peripheral surface of the core barrel 2b as described above, when the crimp terminal 2 is inserted into the terminal accommodating chamber 3 of the fuse box shown in FIG. The other end 1b of the terminal 1 is slightly projected from the opening end 3a of the terminal accommodating chamber 3 to the outside.

【0019】上記構成としていることにより、圧着端子
2が通電されて、芯線バレル2bの位置で局部的に発熱
が生じると、熱伝導性のよい放熱用カバー1に伝わり、
該放熱用カバー1を通して端子収容室3の外部から空気
中へと放熱できる。該放熱量は放熱用カバー1の大きさ
により変化するが、例えば、約10ジュード程度放熱す
ることができる。その結果、端子収容室3の内部で熱が
こもって加熱することが防止できる。その結果、圧着端
子2そのものの加熱が抑制され、抵抗値の増大による最
大通電量の低下を防止出来ると共に、端子収容室を設け
たヒューズボックスの加熱による軟化等を防止できる。
With the above construction, when the crimp terminal 2 is energized and heat is locally generated at the position of the core wire barrel 2b, it is transmitted to the heat dissipation cover 1 having good heat conductivity,
Heat can be radiated from the outside of the terminal accommodating chamber 3 into the air through the heat radiating cover 1. The heat radiation amount varies depending on the size of the heat radiation cover 1, but for example, approximately 10 judes can be radiated. As a result, it is possible to prevent heat from being accumulated and heated inside the terminal accommodating chamber 3. As a result, heating of the crimp terminal 2 itself is suppressed, and it is possible to prevent a decrease in the maximum energization amount due to an increase in resistance value, and it is also possible to prevent softening of the fuse box provided with the terminal accommodating chamber due to heating.

【0020】本発明は上記実施例に限定されず、端子金
具が圧接端子である場合も、電線の芯線と圧接する圧接
刃の近傍に放熱用カバー1の固着部1aを固着すると、
上記実施例と同様の放熱作用を得ることができる。ま
た、端子金具と放熱用カバーとの固着は、半田に限定さ
れず、超音波溶接、電気抵抗溶接などを用いることがで
きる。
The present invention is not limited to the above-mentioned embodiment, and even when the terminal fitting is a pressure contact terminal, if the fixing portion 1a of the heat radiating cover 1 is fixed near the pressure contact blade for pressure contact with the core wire of the electric wire,
It is possible to obtain the same heat dissipation effect as in the above embodiment. Further, the fixing of the terminal fitting and the heat radiation cover is not limited to solder, and ultrasonic welding, electric resistance welding, or the like can be used.

【0021】[0021]

【発明の効果】以上の説明より明らかなように、本発明
の請求項1の端子金具と電線との接続構造によれば、熱
伝導性の良い放熱用カバーを端子金具の電線接続部位に
固着しているため、該接続部位に発生する熱を放熱用カ
バーで放熱でき、発熱を低下して、最大通電量を低下さ
せず、負荷側に接続した他部品への熱影響を避けること
ができる。
As is apparent from the above description, according to the connection structure of the terminal fitting and the electric wire of claim 1 of the present invention, the heat dissipation cover having good thermal conductivity is fixed to the electric wire connecting portion of the terminal fitting. Therefore, the heat generated at the connection portion can be radiated by the heat radiation cover, the heat generation is reduced, the maximum energization amount is not reduced, and the thermal influence on other components connected to the load side can be avoided. .

【0022】また、請求項2の構造とすると、放熱用カ
バーは剛性を有するため、端子金具との固着作業を安定
して行うことができ、かつ、端子収容室の開口側に向か
って広がるスカート形状とすると、放熱用カバーの面積
を大とでき、その分、放熱性を高めることができる。さ
らに、請求項3の構造とすると、特に発熱が発生しやす
い圧着端子の芯線バレルからの熱を効率よく放熱でき、
通電量が大きいヒューズのタブと接続した場合、ヒュー
ズボックスの加熱を防止することができる。
Further, according to the structure of claim 2, since the heat radiation cover has rigidity, the fixing work with the terminal fitting can be stably performed, and the skirt that spreads toward the opening side of the terminal accommodating chamber. With the shape, the area of the heat dissipation cover can be increased, and the heat dissipation can be improved accordingly. Further, according to the structure of claim 3, the heat from the core wire barrel of the crimp terminal, which is particularly apt to generate heat, can be efficiently radiated,
When connected to the tab of a fuse having a large amount of electricity, the fuse box can be prevented from being heated.

【図面の簡単な説明】[Brief description of drawings]

【図1】 本発明で用いる放熱用カバーの斜視図であ
る。
FIG. 1 is a perspective view of a heat dissipation cover used in the present invention.

【図2】 図1の放熱用カバーを圧着端子に取り付けた
状態の断面図である。
FIG. 2 is a cross-sectional view showing a state in which the heat dissipation cover of FIG. 1 is attached to a crimp terminal.

【図3】 放熱用カバーを形成する積層材の断面図であ
る。
FIG. 3 is a cross-sectional view of a laminated material forming a heat dissipation cover.

【図4】 (A)(B)(C)(D)は放熱用カバーの
取付工程を示す図面である。
4 (A), (B), (C), and (D) are drawings showing a process of attaching a heat dissipation cover.

【図5】 従来の問題点を示す圧着端子とヒューズのタ
ブとの接続状態を示す斜視図である。
FIG. 5 is a perspective view showing a connection state between a crimp terminal and a tab of a fuse showing a conventional problem.

【符号の説明】[Explanation of symbols]

1 放熱用カバー 1a 固着部 1b 他端 1c スカート部 1d 金属材 1e 絶縁性樹脂材 2 圧着端子 2a 電気接続部 2b 芯線バレル 3 端子収容室 4 絶縁被覆 5 芯線 1 Heat dissipation cover 1a Fixed part 1b Other end 1c Skirt part 1d Metal material 1e Insulating resin material 2 Crimp terminal 2a Electrical connection part 2b Core wire barrel 3 Terminal accommodating chamber 4 Insulation coating 5 Core wire

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 熱伝導性を有する金属材と、その表面に
被覆した絶縁樹脂材とからなる積層材料により、端子金
具と電線との接続部を囲む筒形状をした放熱用カバーを
形成し、該放熱用カバーの一端に上記絶縁樹脂材を除去
した固着部を設け、該固着部を上記端子金具の電線接続
位置に半田付け或いは超音波溶接、電気抵抗溶接で固着
し、該端子金具をヒューズボックス等の端子収容室に収
容した時に上記放熱用カバーの他端が端子収容室の開口
端近傍に位置するように設定していることを特徴とする
端子金具と電線との接続構造。
1. A cylindrical heat dissipation cover surrounding a connection between a terminal fitting and an electric wire is formed of a laminated material composed of a metal material having thermal conductivity and an insulating resin material coated on the surface thereof. A fixing portion from which the insulating resin material has been removed is provided at one end of the heat dissipation cover, and the fixing portion is fixed to the wire connecting position of the terminal fitting by soldering, ultrasonic welding, or electric resistance welding, and the terminal fitting is fused. A connection structure between a terminal fitting and an electric wire, characterized in that the other end of the heat dissipation cover is set so as to be located in the vicinity of the open end of the terminal housing chamber when housed in a terminal housing chamber such as a box.
【請求項2】 上記放熱用カバーは、平板形状の剛性を
有する上記積層材料を湾曲して筒形状に形成しており、
上記一端の固着部より他端側へと径が拡大するスカート
状としている請求項1に記載の端子金具と電線との接続
構造。
2. The heat dissipation cover is formed by bending the laminated material having a flat plate shape into a cylindrical shape.
The connection structure between a terminal metal fitting and an electric wire according to claim 1, wherein the terminal metal fitting and the electric wire have a skirt shape in which a diameter is expanded from the fixing portion at the one end toward the other end.
【請求項3】 上記端子金具は圧着端子からなり、上記
放熱用カバーの固着部を上記圧着端子の芯線バレルの外
周面に半田付けして固着し、該放熱用カバーの他端を上
記端子収容室の開口端より僅かに突出させるように設定
している請求項1または請求項2に記載の端子金具の電
線との接続構造。
3. The terminal fitting comprises a crimp terminal, and a fixing portion of the heat radiation cover is soldered and fixed to an outer peripheral surface of a core barrel of the crimp terminal, and the other end of the heat radiation cover is accommodated in the terminal. The connection structure for connecting an electric wire of a terminal fitting according to claim 1 or 2, wherein the terminal fitting is set to project slightly from the open end of the chamber.
JP2304495A 1995-02-10 1995-02-10 Connecting structure of terminal metal fitting and electric wire Withdrawn JPH08222285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2304495A JPH08222285A (en) 1995-02-10 1995-02-10 Connecting structure of terminal metal fitting and electric wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2304495A JPH08222285A (en) 1995-02-10 1995-02-10 Connecting structure of terminal metal fitting and electric wire

Publications (1)

Publication Number Publication Date
JPH08222285A true JPH08222285A (en) 1996-08-30

Family

ID=12099464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2304495A Withdrawn JPH08222285A (en) 1995-02-10 1995-02-10 Connecting structure of terminal metal fitting and electric wire

Country Status (1)

Country Link
JP (1) JPH08222285A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103855488A (en) * 2012-11-28 2014-06-11 住友电装株式会社 Device connector
KR20180108494A (en) * 2017-03-23 2018-10-04 티이 커넥티버티 저머니 게엠베하 Electrical connector and electrical connection arrangement comprising an electrical connector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103855488A (en) * 2012-11-28 2014-06-11 住友电装株式会社 Device connector
CN103855488B (en) * 2012-11-28 2017-05-17 住友电装株式会社 Device connector
KR20180108494A (en) * 2017-03-23 2018-10-04 티이 커넥티버티 저머니 게엠베하 Electrical connector and electrical connection arrangement comprising an electrical connector
JP2018160455A (en) * 2017-03-23 2018-10-11 ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンクTE Connectivity Germany GmbH Electrical connector and electrical connecting device including electrical connector

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