JP2002354624A - Connecting structure for flat circuit body and connecting method for flat circuit body - Google Patents
Connecting structure for flat circuit body and connecting method for flat circuit bodyInfo
- Publication number
- JP2002354624A JP2002354624A JP2001157376A JP2001157376A JP2002354624A JP 2002354624 A JP2002354624 A JP 2002354624A JP 2001157376 A JP2001157376 A JP 2001157376A JP 2001157376 A JP2001157376 A JP 2001157376A JP 2002354624 A JP2002354624 A JP 2002354624A
- Authority
- JP
- Japan
- Prior art keywords
- flat circuit
- circuit body
- connection
- sheet material
- bonding
- 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.)
- Granted
Links
Landscapes
- Installation Of Indoor Wiring (AREA)
- Cable Accessories (AREA)
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Processing Of Terminals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、絶縁シート材に導
体をパターン形成して得た二つのフラット回路体同士を
接続するフラット回路体の接続構造及びフラット回路体
の接続方法に関し、特に、その電気接続部における応力
集中を緩和させる改良技術に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat circuit connecting structure and a flat circuit connecting method for connecting two flat circuit bodies obtained by patterning a conductor on an insulating sheet material. The present invention relates to an improved technique for alleviating stress concentration at an electrical connection.
【０００２】[0002]
【従来の技術】車両用ワイヤーハーネスの配索には、絶
縁シート材に導体をパターン形成して得たフラット回路
体を多用することで、放熱性、軽量化、組み付け作業性
を向上させている。この種のフラット回路体には、複数
の帯状薄板からなる導体を絶縁シート材で覆って、可撓
性を有する帯状ケーブルに形成したＦＦＣ（フレキシブ
ル・フラット・ケーブル）や、可撓性を有する絶縁基板
に導体をパターン印刷したＦＰＣ（フレキシブル・プリ
ント・配線板）等がある。2. Description of the Related Art In wiring a vehicle wiring harness, a flat circuit body obtained by patterning a conductor on an insulating sheet material is frequently used to improve heat dissipation, weight reduction, and assembling workability. . The flat circuit body of this type includes a flexible flat cable (FFC) formed by covering a conductor formed of a plurality of strip-shaped thin plates with an insulating sheet material to form a flexible strip-shaped cable. There is an FPC (flexible printed circuit board) in which a conductor is printed on a substrate in a pattern.
【０００３】従来、この種のフラット回路体を接続する
には、図３に示す、平板部１の両側縁に複数の突刺部３
を起立させた金属製の電気接続端子５を用いていた。こ
の電気接続端子５を用いてフラット回路体７、７を接続
するには、先ず、二つのフラット回路体７、７に亘っ
て、電気接続端子５の突刺部３を図４に示すように絶縁
シート材９及び導体１１に貫通させる。Conventionally, to connect such a flat circuit body, a plurality of piercing portions 3 are provided on both side edges of the flat plate portion 1 as shown in FIG.
The metal electrical connection terminal 5 having the upright is used. In order to connect the flat circuit bodies 7, 7 using the electric connection terminals 5, first, the piercing portions 3 of the electric connection terminals 5 are insulated over the two flat circuit bodies 7, 7 as shown in FIG. It penetrates through the sheet material 9 and the conductor 11.
【０００４】次いで、図５に示すように、電気接続端子
５の平板部１を、下側クリンパ１３の上部凹面１５で支
持するとともに、一対の成形用湾曲面１７、１７を有し
た上側クリンパ１９を、突刺部３の先端側から下降する
方向に押し下げる。すると、図６に示すように、突刺部
３の先端が成形用湾曲面１７、１７に沿って互いに接近
する方向に折り曲げられた後、フラット回路体７の上面
に当接して加締められた状態となる。[0005] Next, as shown in FIG. 5, the flat plate portion 1 of the electric connection terminal 5 is supported by the upper concave surface 15 of the lower crimper 13 and the upper crimper 19 having a pair of curved curved surfaces 17, 17. Of the piercing portion 3 in a downward direction. Then, as shown in FIG. 6, the tip of the piercing portion 3 is bent in a direction approaching each other along the curved surfaces for molding 17, 17 and then abutted against the upper surface of the flat circuit body 7 and swaged. Becomes
【０００５】これにより、図７に示すように、突刺部３
が、フラット回路体７の絶縁被覆９及び導体１１を貫通
することで、図８に示すように、双方のフラット回路体
７、７を電気的、且つ構造的に接続することができた。As a result, as shown in FIG.
However, by penetrating the insulating coating 9 and the conductor 11 of the flat circuit body 7, both flat circuit bodies 7, 7 could be electrically and structurally connected as shown in FIG.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上記し
た従来の電気接続端子を用いたフラット回路体同士の接
続構造は、導体に突刺部を貫通させることで電気的且つ
構造的な接続を行うため、フラット回路体に図８に示す
矢印ａ方向の引っ張り力の他、曲げ、振動等の外力が作
用すると、その外力が突刺部と貫通部との間に集中し、
突刺部貫通孔が広がったり、或いは電気接続端子が変形
したりして、導体と電気接続端子との電気的な接続の信
頼性を低下させる問題があった。本発明は上記状況に鑑
みてなされたもので、突刺部を導体に貫通させて接続し
たフラット回路体に、引っ張り、曲げ、振動等の外力が
作用しても、突刺部の貫通部に応力の集中することのな
いフラット回路体の接続構造及びフラット回路体の接続
方法を提供し、もって、フラット回路体の接続部におけ
る電気的接続の信頼性向上を図ることを目的とする。However, in the connection structure between flat circuit bodies using the above-mentioned conventional electric connection terminals, electrical and structural connections are made by penetrating a conductor with a piercing portion. When an external force such as bending or vibration acts on the flat circuit body in addition to the pulling force in the direction of arrow a shown in FIG. 8, the external force concentrates between the piercing portion and the penetrating portion,
There has been a problem that the penetration hole of the piercing portion is widened or the electrical connection terminal is deformed, thereby lowering the reliability of electrical connection between the conductor and the electrical connection terminal. The present invention has been made in view of the above circumstances, and even if an external force such as pulling, bending, or vibration acts on a flat circuit body connected by penetrating a piercing portion through a conductor, stress is applied to the penetrating portion of the piercing portion. An object of the present invention is to provide a connection structure of a flat circuit body and a connection method of the flat circuit body without concentration, thereby improving reliability of electrical connection at a connection portion of the flat circuit body.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
の本発明に係る請求項１記載のフラット回路体の接続構
造は、絶縁シート材に導体をパターン形成したフラット
回路体と、二つの該フラット回路体の前記導体及び前記
絶縁シート材に突刺部を貫通させて該導体同士を電気的
に接続すると共に該二つのフラット回路体を構造的に接
続する電気接続端子と、一方の前記フラット回路体の接
続縁部で前記絶縁シート材を延出させて形成した少なく
とも一対の接着用突片とを備え、前記電気接続端子によ
って接続した二つのフラット回路体の一方から延出した
前記接着用突片を他方のフラット回路体の接続縁部に接
着固定したことを特徴とする。According to the first aspect of the present invention, there is provided a connection structure for a flat circuit body, comprising: a flat circuit body having a conductor formed on an insulating sheet material; An electrical connection terminal for penetrating a piercing portion through the conductor and the insulating sheet material of the flat circuit body to electrically connect the conductors and to structurally connect the two flat circuit bodies; and one of the flat circuits At least one pair of bonding protrusions formed by extending the insulating sheet material at the connection edge of the body, and the bonding protrusions extending from one of the two flat circuit bodies connected by the electrical connection terminals. The piece is bonded and fixed to the connection edge of the other flat circuit body.
【０００８】このフラット回路体の接続構造では、二つ
のフラット回路体の接続部において、一方のフラット回
路体の接続縁部から延出させた一対の接着用突片を、他
方のフラット回路体の接続縁部に接着固定する。絶縁シ
ート材を延出させた面材としての接着用突片を、二つの
フラット回路体の接続縁部にて固定するので、突刺部を
貫通させて加締固定する電気接続端子の接続部より高剛
性での接続が可能となる。したがって、二つのフラット
回路体の間に作用する引っ張り、曲げ、振動等の外力
は、剛性の高い（すなわち、変形の少ない）、接着用突
片に集中することになり、電気的な接続に重要な突刺部
の貫通部に応力が集中しなくなる。これにより、突刺部
の貫通部に応力が集中し、突刺部貫通孔が広がったり、
電気接続端子が変形したりすることによる電気的接続の
信頼性低下が生じなくなる。In this connection structure of a flat circuit body, a pair of bonding projections extending from a connection edge of one flat circuit body at a connection portion of the two flat circuit bodies is connected to the other flat circuit body. Adhesively fix to the connection edge. Since the bonding protruding pieces as the surface material from which the insulating sheet material is extended are fixed at the connection edges of the two flat circuit bodies, the connection portions of the electric connection terminals which are crimped and fixed by penetrating the piercing portions are provided. Connection with high rigidity becomes possible. Therefore, external forces such as tension, bending, vibration, etc., acting between the two flat circuit bodies are concentrated on the adhesive stub having high rigidity (ie, less deformation), which is important for electrical connection. The stress is not concentrated on the penetrating portion of the piercing portion. As a result, stress concentrates on the penetrating portion of the piercing portion, and the piercing portion through hole widens,
Deterioration of the reliability of the electrical connection due to deformation of the electrical connection terminal does not occur.
【０００９】請求項２記載のフラット回路体の接続構造
は、複数の前記電気接続端子の外側となるように、前記
一対の接着用突片を前記接続縁部の両端に配設したこと
を特徴とする。According to a second aspect of the present invention, the pair of bonding projections are arranged at both ends of the connection edge so as to be outside of the plurality of electrical connection terminals. And
【００１０】このフラット回路体の接続構造では、複数
の電気接続端子の外側に、一対の接着用突片を配設する
ことにより、フラット回路体の接続部に、例えばフラッ
ト回路体の面に沿う曲げ外力が作用した場合であって
も、いずれか一方の接着用突片が、曲げ変形量の最も多
くなる外側に位置することになり、この接着用突片に曲
げ外力による応力が集中し、電気接続端子の接続部に応
力が集中しなくなる。In this connection structure for a flat circuit body, a pair of bonding projections are provided outside the plurality of electrical connection terminals, so that the connection portion of the flat circuit body, for example, along the surface of the flat circuit body. Even when an external bending force is applied, one of the bonding projections is located on the outer side where the amount of bending deformation is the largest, and the stress due to the external bending force is concentrated on this bonding projection, Stress does not concentrate on the connection portion of the electrical connection terminal.
【００１１】請求項３記載のフラット回路体の接続方法
は、絶縁シート材に導体をパターン形成した異なる二つ
のフラット回路体同士を接続するフラット回路体の接続
方法であって、一方の前記フラット回路体の接続縁部か
ら前記絶縁シート材を延出させて形成した少なくとも一
対の接着用突片を、他方のフラット回路体の接続縁部に
重ね、二つの該フラット回路体の前記導体及び前記絶縁
シート材に電気接続端子の突刺部を貫通させて該電気接
続端子を加締め固定した後、前記一対の接着用突片を他
方のフラット回路体の接続縁部に加熱接着することを特
徴とする。According to a third aspect of the present invention, there is provided a method of connecting a flat circuit body to connect two different flat circuit bodies each having a conductor pattern formed on an insulating sheet material. At least one pair of adhesive protruding pieces formed by extending the insulating sheet material from the connection edge of the body are overlapped on the connection edge of the other flat circuit body, and the conductor and the insulation of the two flat circuit bodies are overlapped. After penetrating the piercing portion of the electric connection terminal through the sheet material and caulking and fixing the electric connection terminal, the pair of bonding projections are heated and bonded to the connection edge of the other flat circuit body. .
【００１２】このフラット回路体の接続方法では、二つ
のフラット回路体に亘って電気接続端子を加締め固定し
た後に、接着用突片を他方のフラット回路体の接続縁部
に加熱接着することで、加締工程でのフラット回路体同
士の相対的な位置変位が生じなくなった後に、接着用突
片を加熱接着できる。これにより、例えば接着用突片の
接着後に加締固定を行った場合に生じる接着用突片の弛
みを確実に防止でき、常に応力を接着用突片で分担でき
るように、接着用突片を弛みなく接着することができ
る。In this method for connecting flat circuit bodies, the electric connection terminals are fixed by caulking over the two flat circuit bodies, and then the bonding protruding piece is heat-bonded to the connection edge of the other flat circuit body. After the relative positional displacement between the flat circuit bodies in the caulking process no longer occurs, the bonding projection can be heated and bonded. This makes it possible to reliably prevent, for example, loosening of the bonding protruding piece that occurs when the crimping and fixing are performed after the bonding of the bonding protruding piece, so that the bonding protruding piece can always share the stress with the bonding protruding piece. Can be bonded without loosening.
【００１３】[0013]
【発明の実施の形態】以下、本発明に係るフラット回路
体の接続構造及びフラット回路体の接続方法の好適な実
施の形態を図面を参照して詳細に説明する。図１は本発
明に係るフラット回路体の接続構造を表す外観斜視図、
図２は図１に示した接続構造のフラット回路体接続前の
平面図である。なお、図３〜図８に示した部材と同一の
部材には同一の符号を付し、重複する説明は省略するも
のとする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a flat circuit body connection structure and a flat circuit body connection method according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is an external perspective view showing a connection structure of a flat circuit body according to the present invention,
FIG. 2 is a plan view of the connection structure shown in FIG. 1 before connecting a flat circuit body. The same members as those shown in FIGS. 3 to 8 are denoted by the same reference numerals, and overlapping description will be omitted.
【００１４】この実施の形態の接続構造は、複数の帯状
薄板からなる導体を絶縁シート材で覆って、可撓性を有
する帯状ケーブルに形成したＦＦＣ（フレキシブル・フ
ラット・ケーブル）や、可撓性を有する絶縁基板に導体
をパターン印刷したＦＰＣ（フレキシブル・プリント・
配線板）等のフラット回路体２１、２１同士の接続に好
適に用いることができる。The connection structure according to this embodiment includes an FFC (flexible flat cable) in which a conductor formed of a plurality of strip-shaped thin plates is covered with an insulating sheet material to form a flexible strip-shaped cable, FPC (Flexible Printed Printed Circuit) with conductor printed on insulating substrate with
It can be suitably used for connection between flat circuit bodies 21 such as wiring boards).
【００１５】ＦＦＣであるフラット回路体２１を製造す
るには、銅箔からなる導体２３の一方の面に、キャリア
テープと称されるフィルムを貼り合わせ、銅箔をこのフ
ィルムと共に回路パターン形状に打ち抜く。打ち抜かれ
た回路パターンの他方の面に、ラミネートフィルムであ
る絶縁シート材２５を貼り合せる。次いで、導体２３の
一方の面に貼り合せた上記のキャリアテープを剥がし、
その面に同じくラミネートフィルムである絶縁シート材
２５を貼り合せ、導体２３をサンドイッチ状に挟んで加
熱接着する。このようにして形成したシート状の回路体
を、必要な形状に打ち抜くことで、フラット回路体２１
を得る。In order to manufacture a flat circuit body 21 which is an FFC, a film called a carrier tape is attached to one surface of a conductor 23 made of copper foil, and the copper foil is punched together with this film into a circuit pattern shape. . An insulating sheet material 25 as a laminate film is bonded to the other surface of the punched circuit pattern. Next, the carrier tape attached to one surface of the conductor 23 was peeled off,
An insulating sheet material 25, which is also a laminated film, is attached to the surface, and the conductor 23 is sandwiched in a sandwich shape and bonded by heating. By punching the sheet-like circuit body formed in this way into a required shape, the flat circuit body 21
Get.
【００１６】この際、接続する二つのフラット回路体２
１、２１の一方の接続縁部は、図２に示すように、凹状
に打ち抜く。すなわち、一方の接続縁部には、絶縁シー
ト材２５を延出させた一対の接着用突片２７、２７を形
成する。接着用突片２７、２７は、凹部の内側に複数の
導体２３を位置させるようにして、接続縁部の両端に配
設することが好ましい。この接着用突片２７、２７の一
方の面（図１の下面）には、熱溶着性の接着剤を塗布し
ておく。At this time, the two flat circuit bodies 2 to be connected
As shown in FIG. 2, one of the connection edges of the first and the first 21 is punched in a concave shape. That is, a pair of bonding projections 27, 27 from which the insulating sheet material 25 is extended are formed on one connection edge. The bonding projections 27, 27 are preferably provided at both ends of the connection edge so that the plurality of conductors 23 are located inside the recess. One surface (lower surface in FIG. 1) of each of the bonding projections 27, 27 is coated with a heat-welding adhesive.
【００１７】一方、この接着用突片２７、２７を設けた
一方の接続縁部に接続する他方の接続縁部は、図２に示
すように、従来と同様に直線状となっている。On the other hand, as shown in FIG. 2, the other connecting edge connected to one connecting edge provided with the bonding projections 27, 27 is linear as in the conventional case.
【００１８】従来と同様にして電気接続端子５によって
接続したフラット回路体２１の接続縁部は、一方のフラ
ット回路体２１の接続縁部から延出した一対の接着用突
片２７、２７が、他方のフラット回路体２１の接続縁部
に接着している。つまり、従来の接続構造において電気
接続端子５のみによって構造的に接続されていたフラッ
ト回路体２１、２１同士が、本実施の形態では、電気接
続端子５に加え、接着用突片２７、２７によっても接続
した構造となっている。The connection edge of the flat circuit body 21 connected by the electrical connection terminal 5 in the same manner as in the prior art is formed by a pair of bonding projections 27, 27 extending from the connection edge of one flat circuit body 21. It is adhered to the connection edge of the other flat circuit body 21. That is, in the present embodiment, the flat circuit bodies 21, 21 structurally connected only by the electric connection terminals 5 in the conventional connection structure are combined with the electric connection terminals 5 by the bonding protruding pieces 27, 27 in the present embodiment. Is also connected.
【００１９】このような構造でフラット回路体２１を接
続するには、一方のフラット回路体２１の接続縁部から
延出した接着用突片２７、２７を、他方のフラット回路
体２１の接続縁部に重ねる。次いで、二つのフラット回
路体２１、２１の導体２３及び絶縁シート材２５に電気
接続端子５の突刺部３を貫通させて、電気接続端子５を
従来と同様にして加締め固定する。その後、一対の接着
用突片２７、２７を他方のフラット回路体２１の接続縁
部に加熱接着する。In order to connect the flat circuit body 21 with such a structure, the bonding projections 27, 27 extending from the connection edge of one flat circuit body 21 are connected to the connection edge of the other flat circuit body 21. Layer. Next, the piercing portion 3 of the electric connection terminal 5 is penetrated through the conductor 23 and the insulating sheet material 25 of the two flat circuit bodies 21, 21, and the electric connection terminal 5 is crimped and fixed as in the conventional case. Thereafter, the pair of bonding projections 27, 27 are bonded to the connection edge of the other flat circuit body 21 by heating.
【００２０】従って、このフラット回路体２１の接続構
造では、二つのフラット回路体２１、２１の接続部にお
いて、一方の接続縁部から延出させた一対の接着用突片
２７、２７を、他方のフラット回路体２１の接続縁部に
接着固定するので、接着用突片２７、２７が面材として
の連結構造材となり、従来、突刺部３の貫通部のみに作
用していた外力を、この接着用突片２７、２７に分担さ
せることができる。したがって、二つのフラット回路体
２１、２１の間に作用する引っ張り、曲げ、振動等の外
力が、電気的な接続に重要な突刺部３の貫通部に集中し
なくなり、突刺部貫通孔が広がったり、電気接続端子５
が変形したりすることによる電気的接続の信頼性低下が
生じなくなる。Therefore, in the connection structure of the flat circuit bodies 21, a pair of bonding protruding pieces 27, 27 extending from one connection edge at the connection portion of the two flat circuit bodies 21, 21 is connected to the other. Is bonded and fixed to the connection edge of the flat circuit body 21 of the flat circuit body 21, so that the bonding protruding pieces 27, 27 become a connecting structural material as a surface material. The bonding projections 27 can be shared. Therefore, external forces such as pulling, bending, and vibration acting between the two flat circuit bodies 21 and 21 do not concentrate on the penetrating portion of the piercing portion 3 which is important for electrical connection, and the piercing portion through hole may be widened. , Electrical connection terminal 5
Deterioration of the reliability of the electrical connection due to deformation or the like does not occur.
【００２１】また、複数の電気接続端子５群の外側に、
一対の接着用突片２７、２７を配設することにより、フ
ラット回路体２１の接続部に、例えばフラット回路体２
１の面に沿う曲げ外力が作用した場合であっても、いず
れか一方の接着用突片２７が、曲げ変形量の最も多くな
る外側に位置することになり、この接着用突片２７に曲
げ外力による応力が集中し、電気接続端子５の接続部に
応力が集中しなくなる。Further, outside the plurality of groups of electric connection terminals 5,
By disposing a pair of bonding protruding pieces 27, 27, for example, the flat circuit
Even if an external bending force is applied along the first surface, one of the bonding projections 27 will be located on the outer side where the amount of bending deformation is the largest, and the bonding projection 27 is bent. The stress due to the external force concentrates, and the stress does not concentrate at the connection portion of the electric connection terminal 5.
【００２２】さらに、上記したフラット回路体の接続方
法によれば、二つのフラット回路体２１、２１に亘って
電気接続端子５を加締め固定した後に、接着用突片２
７、２７を他方のフラット回路体２１の接続縁部に加熱
接着するので、加締工程でのフラット回路体同士の相対
的な位置変位が生じなくなった後に、接着用突片２７、
２７を加熱接着することができる。したがって、例えば
接着用突片２７、２７の接着後に加締固定を行った場合
に生じる接着用突片２７、２７の弛みを確実に防止で
き、常に応力を接着用突片２７、２７で分担する構造を
確実に製作することができる。Further, according to the method for connecting flat circuit bodies described above, after the electric connection terminal 5 is crimped and fixed over the two flat circuit bodies 21, 21, the bonding protrusion 2 is formed.
7 and 27 are heat-bonded to the connection edge of the other flat circuit body 21. Therefore, after the relative positional displacement between the flat circuit bodies does not occur in the caulking process, the bonding protrusion 27,
27 can be bonded by heating. Therefore, for example, loosening of the bonding protruding pieces 27, 27 that occurs when caulking and fixing are performed after the bonding of the bonding protruding pieces 27, 27 can be reliably prevented, and stress is always shared by the bonding protruding pieces 27, 27. The structure can be manufactured reliably.
【００２３】なお、上記の実施の形態では、電気接続端
子５によって導体２３が接続される場合を例に説明した
が、本発明に係るフラット回路体の接続構造は、導体同
士が例えばハンダによって接続される構造においても、
上記と同様の作用により、電気的な接続部に応力が集中
しなくなり、電気的接続の信頼性低下を防止する効果を
奏する。In the above embodiment, the case where the conductor 23 is connected by the electric connection terminal 5 has been described as an example. However, in the connection structure of the flat circuit body according to the present invention, the conductors are connected by, for example, solder. In the structure to be
By the same operation as described above, stress is not concentrated on the electrical connection portion, and an effect of preventing a decrease in reliability of the electrical connection is exerted.
【００２４】[0024]
【発明の効果】以上詳細に説明したように、本発明に係
るフラット回路体の接続構造によれば、導体及び絶縁シ
ート材に電気接続端子の突刺部を貫通させて加締固定
し、この電気接続端子を介して電気的且つ構造的に接続
した二つのフラット回路体の接続部において、一方のフ
ラット回路体の接続縁部から延出させた一対の接着用突
片を、他方のフラット回路体の接続縁部に接着固定した
ので、二つのフラット回路体の間に作用する引っ張り、
曲げ、振動等の外力が、接着用突片に集中し、突刺部の
貫通部に集中しなくなる。この結果、突刺部の貫通部に
応力が集中し、突刺部貫通孔が広がったり、電気接続端
子が変形したりすることによる電気的接続の信頼性低下
を防止することができる。As described above in detail, according to the connection structure for a flat circuit body according to the present invention, the piercing portion of the electric connection terminal is penetrated through the conductor and the insulating sheet material, and the electric connection terminal is crimped and fixed. In a connection portion of two flat circuit bodies electrically and structurally connected via a connection terminal, a pair of bonding protruding pieces extending from a connection edge of one flat circuit body are connected to the other flat circuit body. Since it is glued and fixed to the connection edge of, pulling acting between the two flat circuit bodies,
External forces, such as bending and vibration, concentrate on the bonding projection and do not concentrate on the penetrating portion of the piercing portion. As a result, stress is concentrated on the penetrating portion of the piercing portion, and it is possible to prevent the reliability of the electrical connection from being lowered due to the piercing portion through hole expanding or the electric connection terminal being deformed.
【００２５】また、本発明に係るフラット回路体の接続
方法によれば、二つのフラット回路体を接続するに際
し、一方のフラット回路体の接続縁部から延出させた接
着用突片を他方のフラット回路体の接続縁部に重ねてお
き、二つのフラット回路体に亘って電気接続端子を加締
め固定した後、この接着用突片を他方のフラット回路体
の接続縁部に加熱接着するので、加締工程でのフラット
回路体同士の相対的な位置変位が生じなくなった後に、
接着用突片を加熱接着でき、例えば接着用突片の接着後
に加締固定を行った場合に生じる接着用突片の弛みを確
実に防止でき、常に接着用突片を弛みなく接着すること
ができる。Further, according to the method for connecting a flat circuit body according to the present invention, when connecting two flat circuit bodies, the bonding protruding piece extending from the connection edge of one flat circuit body is connected to the other flat circuit body. Because the electrical connection terminal is fixed on the connection edge of the flat circuit body by caulking and fixing over the two flat circuit bodies, the adhesive protruding piece is bonded by heating to the connection edge of the other flat circuit body. After the relative positional displacement between the flat circuit bodies does not occur in the caulking process,
The bonding protruding piece can be heated and bonded, for example, the loosening of the bonding protruding piece that occurs when caulking and fixing is performed after the bonding of the bonding protruding piece can be reliably prevented, and the bonding protruding piece can always be bonded without loosening. it can.
【図１】本発明に係るフラット回路体の接続構造を表す
外観斜視図である。FIG. 1 is an external perspective view illustrating a connection structure of a flat circuit body according to the present invention.
【図２】図１に示した接続構造のフラット回路体接続前
の平面図である。FIG. 2 is a plan view of the connection structure shown in FIG. 1 before connection of a flat circuit body.
【図３】従来のフラット回路体と電気接続端子を表す分
解斜視図である。FIG. 3 is an exploded perspective view showing a conventional flat circuit body and electric connection terminals.
【図４】図３に示した電気接続端子の突刺部をフラット
回路体に貫通させた突き刺し工程後の状態を表す断面図
である。4 is a cross-sectional view illustrating a state after a piercing step in which a piercing portion of the electric connection terminal illustrated in FIG. 3 is penetrated through a flat circuit body.
【図５】クリンパを用いた加締め開始時の状態を表す断
面図である。FIG. 5 is a cross-sectional view illustrating a state when crimping using a crimper is started.
【図６】加締め完了時の状態を表す断面図である。FIG. 6 is a cross-sectional view illustrating a state at the time of completion of crimping.
【図７】フラット回路体の導体に適正に加締められた電
気接続端子を表す断面図である。FIG. 7 is a cross-sectional view showing an electrical connection terminal properly swaged to a conductor of a flat circuit body.
【図８】引っ張り外力の作用したフラット回路体の斜視
図である。FIG. 8 is a perspective view of a flat circuit body on which a pulling external force acts.
３ 突刺部 ５ 電気接続端子 ２１ フラット回路体 ２３ 導体 ２５ 絶縁シート材 ２７ 接着用突片 DESCRIPTION OF REFERENCE NUMERALS 3 Piercing part 5 Electrical connection terminal 21 Flat circuit body 23 Conductor 25 Insulating sheet material 27 Adhesive protrusion
フロントページの続き Ｆターム(参考） 5E077 BB05 BB11 BB37 CC05 CC06 DD11 FF09 HH02 JJ10 JJ15 5G355 AA08 BA01 BA11 CA06 5G363 AA16 BA05 DC02 5G375 AA11 CA02 CA13 CC07 DA36 EA17 Continued on the front page F term (reference) 5E077 BB05 BB11 BB37 CC05 CC06 DD11 FF09 HH02 JJ10 JJ15 5G355 AA08 BA01 BA11 CA06 5G363 AA16 BA05 DC02 5G375 AA11 CA02 CA13 CC07 DA36 EA17
Claims (3)
フラット回路体と、二つの該フラット回路体の前記導体
及び前記絶縁シート材に突刺部を貫通させて該導体同士
を電気的に接続すると共に該二つのフラット回路体を構
造的に接続する電気接続端子と、一方の前記フラット回
路体の接続縁部で前記絶縁シート材を延出させて形成し
た少なくとも一対の接着用突片とを備え、 前記電気接続端子によって接続した二つのフラット回路
体の一方から延出した前記接着用突片を他方のフラット
回路体の接続縁部に接着固定したことを特徴とするフラ
ット回路体の接続構造。1. A flat circuit body in which a conductor is patterned on an insulating sheet material, and a piercing portion penetrates through the conductor and the insulating sheet material of the two flat circuit bodies to electrically connect the conductors to each other. An electrical connection terminal for structurally connecting the two flat circuit bodies, and at least one pair of bonding protrusions formed by extending the insulating sheet material at a connection edge of one of the flat circuit bodies, A connection structure for a flat circuit body, wherein the bonding protruding piece extending from one of the two flat circuit bodies connected by the electrical connection terminal is bonded and fixed to a connection edge of the other flat circuit body.
うに、前記一対の接着用突片を前記接続縁部の両端に配
設したことを特徴とする請求項１記載のフラット回路体
の接続構造。2. The flat circuit body according to claim 1, wherein said pair of bonding projections are disposed at both ends of said connection edge so as to be outside of said plurality of electric connection terminals. Connection structure.
異なる二つのフラット回路体同士を接続するフラット回
路体の接続方法であって、 一方の前記フラット回路体の接続縁部から前記絶縁シー
ト材を延出させて形成した少なくとも一対の接着用突片
を、他方のフラット回路体の接続縁部に重ね、 二つの該フラット回路体の前記導体及び前記絶縁シート
材に電気接続端子の突刺部を貫通させて該電気接続端子
を加締め固定した後、 前記一対の接着用突片を他方のフラット回路体の接続縁
部に加熱接着することを特徴とするフラット回路体の接
続方法。3. A flat circuit body connection method for connecting two different flat circuit bodies in which a conductor is patterned on an insulating sheet material, wherein the insulating sheet material is connected from a connection edge of one of the flat circuit bodies. At least one pair of adhesive protruding pieces formed by extension are overlapped on the connection edge of the other flat circuit body, and the conductor and the insulating sheet material of the two flat circuit bodies penetrate the piercing part of the electric connection terminal. And fixing the electric connection terminal by crimping, and then bonding the pair of bonding projections to the connection edge of the other flat circuit body by heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001157376A JP3949394B2 (en) | 2001-05-25 | 2001-05-25 | Flat circuit body connection structure and flat circuit body connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001157376A JP3949394B2 (en) | 2001-05-25 | 2001-05-25 | Flat circuit body connection structure and flat circuit body connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002354624A true JP2002354624A (en) | 2002-12-06 |
| JP3949394B2 JP3949394B2 (en) | 2007-07-25 |
Family
ID=19001250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001157376A Expired - Fee Related JP3949394B2 (en) | 2001-05-25 | 2001-05-25 | Flat circuit body connection structure and flat circuit body connection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3949394B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012000080A1 (en) * | 2012-01-04 | 2013-07-04 | Phoenix Contact Gmbh & Co. Kg | Electric clamp connector for electrical contacting of electrical conductors of electrical lead pieces, has conductive bridge which electrically connects conductive pins that are bendable for establishing clip connection |
| CN115003024A (en) * | 2022-07-06 | 2022-09-02 | 安费诺(宁德)电子有限公司 | Connection structure between flexible circuit board and nickel sheet |
-
2001
- 2001-05-25 JP JP2001157376A patent/JP3949394B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012000080A1 (en) * | 2012-01-04 | 2013-07-04 | Phoenix Contact Gmbh & Co. Kg | Electric clamp connector for electrical contacting of electrical conductors of electrical lead pieces, has conductive bridge which electrically connects conductive pins that are bendable for establishing clip connection |
| CN115003024A (en) * | 2022-07-06 | 2022-09-02 | 安费诺(宁德)电子有限公司 | Connection structure between flexible circuit board and nickel sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3949394B2 (en) | 2007-07-25 |
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