JP2006066123A - Connecting terminal structure of electric connection box - Google Patents

Connecting terminal structure of electric connection box Download PDF

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JP2006066123A
JP2006066123A JP2004245110A JP2004245110A JP2006066123A JP 2006066123 A JP2006066123 A JP 2006066123A JP 2004245110 A JP2004245110 A JP 2004245110A JP 2004245110 A JP2004245110 A JP 2004245110A JP 2006066123 A JP2006066123 A JP 2006066123A
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terminal
circuit board
printed circuit
flat plate
female terminal
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Ichiro Terunuma
一郎 照沼
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Fujikura Ltd
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Fujikura Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a connecting terminal structure of an electric connection box with improved reliability of electric connection of a printed board with a female terminal and with improved mechanical strength. <P>SOLUTION: Of the connecting terminal of the electric connection box having a female terminal 10 equipped with a terminal retaining part 2 pinching a flat-plate male terminal 20 fitted to a printed board 30 turning a circuit part of the electric connection box into a board, the female terminal 10 is structured of a thin-plate flat plate part 1 arranged horizontally to the printed board 30, the terminal retaining part 2 formed by folding both right and left ends of the flat plate part 1 upward, and supporting members 3a, 3b formed by folding both front a rear ends of the flat plate part 1 downward. Tip parts of the supporting members 3a, 3b are inserted into a plurality of fitting holes 31a, 31b formed on the printed board 1, and at the same time, the tip parts of supporting members 3a, 3b are soldered directly on a backside of the printed board 30 to fit the female terminal to the printed board. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、自動車等に搭載される電気接続箱に関し、安価で機械的・電気的性能に優れた電気接続箱用の端子構造に関する。   The present invention relates to an electrical junction box mounted on an automobile or the like, and relates to a terminal structure for an electrical junction box that is inexpensive and excellent in mechanical and electrical performance.

一般に、自動車用電装品のワイヤハーネスの電気接続部を集約し、ヒューズ等を一箇所にまとめるために電気接続箱が用いられている。
電気接続箱は、ハウジング、バスパー、インシュレーションパネル、ベースなどから構成されるが、近年、自動車のエレクトロニクス化の進展に伴い、電気接続箱の小型化、低コスト化に対する要求が高まっており、バスパー、インシュレーションパネルにより構成される回路部分をプリント基板化し、このプリント基板に接続端子を直接半田付けして部品点数の削減、小型化、低コスト化を実現している。（例えば、特許文献１及び２を参照）
図５及び図６を参照して、従来技術による電気接続箱の接続端子構造を説明する。
図５に示すように、電気接続箱の接続端子構造では、平板状のオス型端子２０を挟持（保持）する端子保持部１０２を備えるメス型端子１００を、電気接続箱の回路部分を基板化したプリント基板３０に取り付ける。なおメス型端子１００は、プリント基板３０に対して水平に配置される薄板状の平板部１０１と、当該平板部１０１の左右両端を上方に折り曲げることによって形成した端子保持部１０２と、当該平板部１０１の一端を下方に折り曲げることによって形成した支持部１０３とから構成される。
前記端子保持部１０２は、薄板状の平板部１０１に対して左右両端を垂直に折り曲げて形成した折曲部１１１ａ，１１１ｂと、当該折曲部の先端をループ型に折り曲げて形成した対向する一対のバネ片１１２ａ，１１２ｂとから形成され、対向する一対のバネ片１１２ａ，１１２ｂで挟み込むようにして平板状のオス型端子２０を挟持（保持）し、端子間の電気的接続を図る（図６（ａ）を参照）。
またプリント基板３０には取付孔３１が形成され、当該取付孔３１にメス型端子１００の支持部１０３の先端を挿入し、プリント基板３０にメス型端子１００を取り付ける。なお、その先端が取付孔３１に挿入された支持部１０３はプリント基板３０に対して垂直に配置され、当該支持部１０３の上部に配置される端子保持部１０２を支持する（図６（ａ）を参照）。
また図６（ｂ）に示すように、支持部１０３の先端を挿入した取付孔３１の周囲には、プリント基板３０の回路部分に接続するランド部３２が形成されており、前記ランド部３２を覆うようにして、プリント基板３０の裏面で支持部１０３の先端を半田付けすることによって、プリント基板３０の回路部分とメス型端子１００との電気的接続を図っている。
すなわち従来技術による接続端子構造では、プリント基板３０に対して垂直に配置される１つの支持部１０３のみによって、当該支持部１０３の上部に配置される端子保持部１０２を支えるとともに、取付孔３１に挿入した前記支持部１０３の先端をプリント基板３０の裏面で直接半田付けしてプリント基板３０にメス型端子１００を取り付けることによって、プリント基板３０の回路部分とメス型端子１００の電気的接続を確保していた。
特開平１０−１８９０８５号公報（図２） 特開２００２−２７０２６３号公報（図１３） In general, an electrical connection box is used in order to consolidate electrical connection portions of wire harnesses of automobile electrical components and collect fuses and the like in one place.
The electrical junction box is composed of a housing, bus bar, insulation panel, base, etc. In recent years, with the advancement of electronics in automobiles, the demand for miniaturization and cost reduction of the electrical junction box has increased. The circuit portion constituted by the insulation panel is printed on a printed circuit board, and the connection terminals are directly soldered to the printed circuit board to reduce the number of parts, reduce the size, and reduce the cost. (For example, see Patent Documents 1 and 2)
With reference to FIG.5 and FIG.6, the connection terminal structure of the electrical junction box by a prior art is demonstrated.
As shown in FIG. 5, in the connection terminal structure of the electrical connection box, the female terminal 100 including the terminal holding portion 102 that sandwiches (holds) the flat male terminal 20 is used as the circuit portion of the electrical connection box. The printed circuit board 30 is attached. The female terminal 100 includes a thin flat plate portion 101 disposed horizontally with respect to the printed circuit board 30, a terminal holding portion 102 formed by bending the left and right ends of the flat plate portion 101 upward, and the flat plate portion. It is comprised from the support part 103 formed by bending one end of 101 downward.
The terminal holding portion 102 includes bent portions 111a and 111b formed by vertically bending both left and right ends of the thin plate-like flat plate portion 101, and a pair of opposed portions formed by bending the ends of the bent portions into a loop shape. The flat male terminal 20 is sandwiched (held) so as to be sandwiched between a pair of opposing spring pieces 112a and 112b, and electrical connection between the terminals is achieved (FIG. 6). (See (a)).
An attachment hole 31 is formed in the printed board 30, and the tip of the support portion 103 of the female terminal 100 is inserted into the attachment hole 31, and the female terminal 100 is attached to the printed board 30. Note that the support portion 103 whose tip is inserted into the mounting hole 31 is disposed perpendicular to the printed circuit board 30 and supports the terminal holding portion 102 disposed above the support portion 103 (FIG. 6A). See).
Further, as shown in FIG. 6B, a land portion 32 connected to the circuit portion of the printed circuit board 30 is formed around the mounting hole 31 into which the tip of the support portion 103 is inserted. The circuit portion of the printed circuit board 30 and the female terminal 100 are electrically connected by soldering the tip of the support portion 103 on the back surface of the printed circuit board 30 so as to cover it.
That is, in the connection terminal structure according to the prior art, the terminal holding portion 102 disposed on the upper portion of the support portion 103 is supported by only one support portion 103 disposed perpendicular to the printed circuit board 30, and the attachment hole 31 is provided. The tip of the inserted support portion 103 is directly soldered to the back surface of the printed circuit board 30 and the female terminal 100 is attached to the printed circuit board 30, thereby ensuring electrical connection between the circuit portion of the printed circuit board 30 and the female terminal 100. Was.
Japanese Patent Laid-Open No. 10-189085 (FIG. 2) JP-A-2002-270263 (FIG. 13)

平板部１の左右両端を上方に折り曲げた折曲部の先端をループ型に折り曲げて形成した対向する一対のバネ片１１２ａ，１１２ｂで平板状のオス型端子２０を左右から挟持する端子保持部１０２と、平板部の一端を下方に折り曲げて形成した１つの支持部１０３からなるメス型端子１００をプリント基板３０に取り付けた電気接続箱の接続端子構造では、メス型端子の安定性が悪く、電気的接続の信頼性や機械的強度が十分とは言い難かった。   A terminal holding portion 102 that sandwiches the flat male terminal 20 from the left and right with a pair of opposing spring pieces 112a and 112b formed by bending the ends of the bent portion of the flat plate portion 1 bent upward in a loop shape. In the connection terminal structure of the electrical connection box in which the female terminal 100 composed of one support portion 103 formed by bending one end of the flat plate portion downward is attached to the printed circuit board 30, the stability of the female terminal is poor. It was difficult to say that the reliability of connection and mechanical strength was sufficient.

そこで、この発明によれば、平板状のオス型端子を挟持する端子保持部を備えるメス型端子を、電気接続箱の回路部分を基板化したプリント基板に取り付けた電気接続箱の接続端子において、前記メス型端子を、プリント基板に対して水平に配置される薄板状の平板部と、当該平板部の左右両端を上方に折り曲げて形成した端子保持部と、当該平板部の前後両端を下方に折り曲げて形成した支持部とから構成し、プリント基板に形成した取付孔に支持部の先端をそれぞれ挿入するとともに、その先端をプリント基板の裏面で直接半田付けしてプリント基板にメス型端子を取り付けた。   Therefore, according to the present invention, in the connection terminal of the electrical connection box attached to the printed circuit board in which the circuit part of the electrical connection box is made into a board, the female terminal having a terminal holding part for sandwiching the flat male terminal, A thin plate-like flat plate portion disposed horizontally with respect to the printed circuit board, a terminal holding portion formed by bending the left and right ends of the flat plate portion upward, and the front and rear ends of the flat plate portion downward. It consists of a support part formed by bending, and inserts the tip of the support part into the mounting hole formed in the printed board, and solders the tip directly on the back side of the printed board to attach the female terminal to the printed board It was.

この発明によれば、プリント基板に対して水平に配置される薄板状の平板部の左右両端を上方に折り曲げて形成した端子保持部と、当該平板部の前後両端を下方に折り曲げて形成した支持部とから構成されるメス型端子を、電気接続部分の回路部分を基板化したプリント基板に直接半田付けして取り付けることによって、複数の支持部によってメス型端子をプリント基板に取り付けるため、プリント基板に対するメス型端子の電気的信頼性と機械的信頼性を大幅に向上させることができる。   According to the present invention, the terminal holding portion formed by bending the left and right ends of the thin plate-like flat plate portion disposed horizontally with respect to the printed circuit board, and the support formed by bending the front and rear ends of the flat plate portion downward. The printed circuit board is used to attach the female terminal to the printed circuit board by a plurality of support parts by directly soldering and attaching the female terminal composed of the circuit part to the printed circuit board on which the circuit portion of the electrical connection portion is made a substrate. The electrical reliability and mechanical reliability of the female terminal can be greatly improved.

本発明の実施例による電気接続箱の接続端子構造を、図１乃至図４を参照して説明する。   A connection terminal structure of an electrical junction box according to an embodiment of the present invention will be described with reference to FIGS.

図１及び図２は、この発明の第１実施例による電気接続箱の接続端子構造を説明する図である。
平板状のオス型端子２０を挟持（保持）する端子保持部２を備えるメス型端子１０を、電気接続箱の回路部分を基板化したプリント基板３０に取り付けた電気接続箱の接続端子において、図１に示す実施例のメス型端子１０は、プリント基板３０に対して水平に配置される薄板状の平板部１と、当該平板部１の左右両端を上方に折り曲げて形成した端子保持部２と、当該平板部１の前後両端を下方に折り曲げて形成した支持部３ａ，３ｂとから構成される（図１（ａ）及び（ｂ）を参照）。 1 and 2 are views for explaining a connection terminal structure of an electrical junction box according to a first embodiment of the present invention.
In the connection terminal of the electrical connection box, the female terminal 10 provided with the terminal holding part 2 for sandwiching (holding) the flat male terminal 20 is attached to the printed circuit board 30 on which the circuit portion of the electrical connection box is made into a substrate. The female terminal 10 of the embodiment shown in FIG. 1 includes a thin plate-like flat plate portion 1 disposed horizontally with respect to the printed circuit board 30, and a terminal holding portion 2 formed by bending the left and right ends of the flat plate portion 1 upward. The support portion 3a, 3b is formed by bending the front and rear ends of the flat plate portion 1 downward (see FIGS. 1A and 1B).

電気接続箱の回路部分を基板化したプリント基板３０には、メス型端子１０の支持部３ａ，３ｂの先端がそれそれ挿入される取付孔３１ａ，３１ｂが形成されている。
そして前記取付孔３１ａ，３１ｂに挿入された支持部３ａ，３ｂの先端を、プリント基板３０の裏面で直接半田付けし、メス型端子１０をプリント基板３０に取り付けた。
なお取付孔３１ａ，３１ｂの周囲には、プリント基板３０の回路部分に接続するランド部（図示せず）が形成され、前記ランド部を覆うようにプリント基板３０の裏面で支持部３ａ，３ｂの先端を半田付けすることによって、プリント基板３０の回路部分とメス型端子１０との電気的接続を図っている。
すなわち、取付孔３１に挿入した前記支持部３ａ，３ｂの先端をプリント基板３０の裏面で直接半田付けしてプリント基板３０にメス型端子１０を取り付けることによって、プリント基板３０の回路部分とメス型端子１０との電気的接続を確保するとともに、プリント基板３０に対して垂直に配置された複数（２つ）の支持部３ａ，３ｂによって、当該支持部の上部に配置される端子保持部２を支えるように構成した。なお、プリント基板３０に接地しないように配置された平板部１が、プリント基板３０に対して水平に配置されるように、端子保持部２を複数の支持部３ａ，３ｂで支持し、メス型端子１０をプリント基板３０に取り付けた。 Mounting holes 31a and 31b into which the tips of the support portions 3a and 3b of the female terminal 10 are respectively inserted are formed in the printed circuit board 30 in which the circuit portion of the electrical junction box is formed as a substrate.
And the front-end | tip of the support parts 3a and 3b inserted in the said attachment holes 31a and 31b was soldered directly by the back surface of the printed circuit board 30, and the female terminal 10 was attached to the printed circuit board 30.
A land portion (not shown) connected to the circuit portion of the printed circuit board 30 is formed around the mounting holes 31a and 31b, and the support portions 3a and 3b are formed on the back surface of the printed circuit board 30 so as to cover the land portion. By soldering the tip, the circuit portion of the printed circuit board 30 and the female terminal 10 are electrically connected.
That is, the circuit portion of the printed circuit board 30 and the female type are attached by directly soldering the tips of the support portions 3 a and 3 b inserted into the mounting holes 31 on the back surface of the printed circuit board 30 and attaching the female terminal 10 to the printed circuit board 30. The terminal holding part 2 arranged at the upper part of the supporting part is secured by a plurality of (two) supporting parts 3a and 3b arranged perpendicular to the printed circuit board 30 while ensuring electrical connection with the terminal 10. Configured to support. The terminal holding part 2 is supported by a plurality of supporting parts 3a and 3b so that the flat plate part 1 arranged so as not to be grounded to the printed board 30 is arranged horizontally with respect to the printed board 30. The terminal 10 was attached to the printed circuit board 30.

また図２に示すように、メス型端子１０の平板部１の上部に形成された端子保持部２は、薄板状の平板部１の左右両端を垂直に折り曲げた折曲部１１ａ，１１ｂと、当該折曲部の先端を内側にループ型に折り曲げて形成した対向する一対のバネ片１２ａ，１２ｂとからなり、端子保持部２に差し込まれた平板状のオス型端子２０を、対向する一対のバネ片１２ａ，１２ｂで挟持（保持）することによって、端子間の電気的接続を図っている。
なお対向する一対のバネ片１２ａ，１２ｂの間隙を、平板状のオス型端子２０の厚みより小さく構成することによって、端子保持部２におけるオス型端子２０の挟持力を大きくすることができる。 As shown in FIG. 2, the terminal holding portion 2 formed on the upper portion of the flat plate portion 1 of the female terminal 10 includes bent portions 11a and 11b obtained by vertically bending the left and right ends of the thin plate-like flat plate portion 1; The pair of opposing spring pieces 12a, 12b formed by bending the tip of the bent portion inwardly into a loop shape, and the pair of opposing male terminals 20 inserted into the terminal holding portion 2 are opposed to each other. Electrical connection between the terminals is achieved by clamping (holding) the spring pieces 12a and 12b.
In addition, the clamping force of the male terminal 20 in the terminal holding | maintenance part 2 can be enlarged by comprising the space | interval of a pair of opposing spring pieces 12a and 12b smaller than the thickness of the flat male terminal 20.

この発明による第１実施例では、平板部１の前後両端を折り曲げて形成した一対の支持部３ａ，３ｂによって、プリント基板３０に対して水平に配置される平板部１が支えられているため、メス型端子１０を安定して固定することができる。
また平板部１の左右両端を折り曲げて形成した端子保持部２によって、平板状のオス型端子２０を挟持（挟持）し、かつ平板部１の前後両端を折り曲げて形成した支持部３ａ，３ｂの先端を半田付けすることによってメス型端子１０をプリント基板３０に固定したため、前記オス型端子２０によって挟持面（バネ片の表面）に対して大きな力がかかっても、薄板状の平板部１を折り曲げて形成した支持部３ａ，３ｂの厚み方向ではなく幅方向に前記の力がかかり、プリント基板３０に対してメス型端子１０（平板部１）が倒れることがない。
つまり、プリント基板３０に水平に配置される平板部１の左右両端を折り曲げて形成した端子保持部２を備えるメス型端子１０をプリント基板３０に取り付けるにあたって、前記平板部１の前後両端を折り曲げて複数の支持部３ａ，３ｂを形成し、当該支持部３ａ，３ｂをプリント基板３０に形成した複数の取付孔３１ａ，３１ｂにそれぞれ挿入し、その先端をプリント基板３０に直接半田付けしてプリント基板３０にメス型端子１０を取り付けた電気接続箱の接続端子構造では、プリント基板３０と接続端子（メス型端子１０）との電気的接続の信頼性が向上するとともに、安定した固定によって機械的強度を向上させることができる。
さらにプリント基板３０の裏面において複数（２つ）の支持部３ａ，３ｂの先端を直接半田付けし、前記２ヶ所の半田付け部分において、それぞれプリント基板３０の回路部分との接続を図りつつプリント基板３０にメス型端子１０を取り付けることによって、何れか１ヶ所の半田付け部分（半田接続部）に不良が発生しても（半田接続部が破壊されても）、残りの半田付け部分（半田接続部）で電気的接続を図ることができ、電気的信頼性が高くなる。 In the first embodiment according to the present invention, the flat plate portion 1 disposed horizontally with respect to the printed circuit board 30 is supported by a pair of support portions 3a and 3b formed by bending the front and rear ends of the flat plate portion 1. The female terminal 10 can be stably fixed.
Further, the terminal holding portion 2 formed by bending the left and right ends of the flat plate portion 1 sandwiches (holds) the flat male terminal 20, and the support portions 3 a and 3 b formed by bending the front and rear ends of the flat plate portion 1. Since the female terminal 10 is fixed to the printed circuit board 30 by soldering the tip, even if a large force is applied to the clamping surface (the surface of the spring piece) by the male terminal 20, the thin plate-like flat plate portion 1 is fixed. The above force is applied not in the thickness direction but in the width direction of the support portions 3 a and 3 b formed by bending, so that the female terminal 10 (flat plate portion 1) does not fall with respect to the printed circuit board 30.
That is, when attaching the female terminal 10 including the terminal holding portion 2 formed by bending the left and right ends of the flat plate portion 1 disposed horizontally on the printed circuit board 30 to the printed circuit board 30, the front and rear ends of the flat plate portion 1 are bent. A plurality of support portions 3a, 3b are formed, the support portions 3a, 3b are respectively inserted into a plurality of mounting holes 31a, 31b formed in the printed circuit board 30, and the tips thereof are directly soldered to the printed circuit board 30 to be printed circuit boards. In the connection terminal structure of the electrical connection box in which the female terminal 10 is attached to 30, the reliability of the electrical connection between the printed circuit board 30 and the connection terminal (female terminal 10) is improved, and the mechanical strength is ensured by stable fixing. Can be improved.
Further, the tips of the plurality of (two) support portions 3a and 3b are directly soldered on the back surface of the printed circuit board 30, and the printed circuit board 30 is connected to the circuit portion of the printed circuit board 30 at the two soldered portions. By attaching the female terminal 10 to 30, even if a defect occurs in any one soldered part (solder connection part) (even if the solder connection part is destroyed), the remaining soldering part (solder connection) Part) can be electrically connected, and the electrical reliability is increased.

次に図３を参照して、この発明による第２実施例による電気接続箱の接続端子構造を説明するとともに、図４を参照して、この発明による第３実施例による電気接続箱の接続端子構造を説明する。   Next, with reference to FIG. 3, the connection terminal structure of the electrical connection box according to the second embodiment of the present invention will be described, and with reference to FIG. 4, the connection terminal of the electrical connection box according to the third embodiment of the present invention. The structure will be described.

図３及び図４に示す実施例では、平板状のオス型端子２０を挟持（保持）する端子保持部２を備えるメス型端子１０´（または１０´´）を、電気接続箱の回路部分を基板化したプリント基板３０に取り付けた電気接続箱の接続端子において、図１及び図２に示す第１実施例と同様に、メス型端子１０´（または１０´´）は、プリント基板３０に対して水平に配置される薄板状の平板部１と、当該平板部１の左右両端を上方に折り曲げて形成した端子保持部２と、当該平板部１の前後両端を下方に折り曲げて形成した支持部とから構成される。   In the embodiment shown in FIGS. 3 and 4, the female terminal 10 ′ (or 10 ″) including the terminal holding portion 2 that holds (holds) the flat male terminal 20 is used as the circuit portion of the electrical connection box. As with the first embodiment shown in FIGS. 1 and 2, the female terminal 10 ′ (or 10 ″) is connected to the printed circuit board 30 with respect to the connection terminals of the electrical connection box attached to the printed circuit board 30 formed as a circuit board. A flat plate portion 1 that is horizontally disposed, a terminal holding portion 2 formed by bending the left and right ends of the flat plate portion 1 upward, and a support portion formed by bending the front and rear ends of the flat plate portion 1 downward. It consists of.

そして図３に示す実施例のメス型端子１０´の支持部では、平板部１の前後両端を下方に折り曲げて形成した２つの支持部３ａ，３ｂの先端にスリットが入れられ、２つの支持部３ａ，３ｂの先端がそれぞれ２つずつに分岐している（３ｃ，３ｄ，３ｅ，３ｆ）。
そしてプリント基板３０には、前記４つの支持部の先端３ｃ〜３ｆが挿入される４つの取付孔３１ｃ〜３１ｆが形成され、当該取付孔３１ｃ〜３１ｆに挿入した支持部の先端３ｃ〜３ｆを、プリント基板３０の裏面で直接半田付けして、プリント基板３０とメス型端子１０´との電気的接続を図っている。 And in the support part of female terminal 10 'of the Example shown in FIG. 3, a slit is put into the front-end | tip of two support parts 3a and 3b formed by bending down the front-and-rear both ends of the flat plate part 1, and two support parts The tips of 3a and 3b are branched into two each (3c, 3d, 3e and 3f).
The printed circuit board 30 is formed with four attachment holes 31c to 31f into which the tips 3c to 3f of the four support portions are inserted, and the tips 3c to 3f of the support portions inserted into the attachment holes 31c to 31f, Soldering is directly performed on the back surface of the printed circuit board 30 to achieve electrical connection between the printed circuit board 30 and the female terminal 10 '.

一方、図４に示す実施例のメス型端子１０´´の支持部は、平板部１の前後両端を下方に折り曲げるとともに、一方のみにスリットが入れられ、前後に計３つの支持部（３ｇ，３ｈ，３ｉ）が形成されている。つまり平板部１の前方に、下方に延びる２つの支持部３ｇ，３ｈが形成され、平板部１の後方に、下方に延びる１つの支持部３ｉが形成されている。
そしてプリント基板には、前記支持部３ｇ〜３ｉの先端が挿入される３つの取付孔３１ｇ〜３ｉが形成され、当該取付孔３１ｇ〜３１ｉに挿入した支持部３ｇ〜３ｉの先端を、プリント基板３０の裏面で直接半田付けして、プリント基板３０とメス型端子１０´´との電気的接続を図っている。 On the other hand, the support part of the female terminal 10 ″ of the embodiment shown in FIG. 4 is formed by bending the front and rear ends of the flat plate part 1 downward and slits only in one side, and a total of three support parts (3g, 3h, 3i) are formed. That is, two support portions 3 g and 3 h extending downward are formed in front of the flat plate portion 1, and one support portion 3 i extending downward is formed behind the flat plate portion 1.
The printed circuit board is formed with three mounting holes 31g to 3i into which the tips of the support portions 3g to 3i are inserted, and the tips of the support portions 3g to 3i inserted into the mounting holes 31g to 31i are connected to the printed circuit board 30. The printed circuit board 30 and the female terminal 10 ″ are electrically connected to each other by soldering directly on the back surface of the substrate.

この発明の第１実施例による電気接続箱の接続端子のメス型端子を説明する図である。It is a figure explaining the female terminal of the connection terminal of the electrical-connection box by 1st Example of this invention. この発明の第１実施例による電気接続箱の接続端子構造を説明する図である。It is a figure explaining the connection terminal structure of the electrical junction box by 1st Example of this invention. この発明の第２実施例による電気接続箱の接続端子構造を説明する図である。It is a figure explaining the connection terminal structure of the electrical junction box by 2nd Example of this invention. この発明の第３実施例による電気接続箱の接続端子構造を説明する図である。It is a figure explaining the connection terminal structure of the electrical junction box by 3rd Example of this invention. 従来技術による電気接続箱の接続端子のメス型端子を説明する図である。It is a figure explaining the female terminal of the connection terminal of the electrical connection box by a prior art. 従来技術による電気接続箱の接続端子構造を説明する図である。It is a figure explaining the connection terminal structure of the electrical junction box by a prior art.

符号の説明Explanation of symbols

１ 平板部
２ 端子保持部
１１ａ，１１ｂ 折曲部
１２ａ，１２ｂ バネ片
３ａ〜３ｉ 支持部
１０、１０´、１０´´ メス型端子
２０ オス型端子
３０ プリント基板
３１ 取付孔
３２ ランド部 DESCRIPTION OF SYMBOLS 1 Flat part 2 Terminal holding | maintenance part 11a, 11b Bending part 12a, 12b Spring piece 3a-3i Support part 10, 10 ', 10''Female type terminal 20 Male type terminal 30 Printed circuit board 31 Mounting hole 32 Land part

Claims (2)

平板状のオス型端子（２０）を挟持する端子保持部（２）を備えるメス型端子（１０）を、電気接続箱の回路部分を基板化したプリント基板（３０）に取り付けた電気接続箱の接続端子において、
前記メス型端子（１０）を、プリント基板（３０）に対して水平に配置される薄板状の平板部（１）と、当該平板部（１）の左右両端を上方に折り曲げて形成した端子保持部（２）と、当該平板部（１）の前後両端を下方に折り曲げて形成した支持部（３ａ，３ｂ）とから構成し、
プリント基板（３０）に形成した複数の取付孔（３１ａ，３１ｂ）に前記支持部（３ａ，３ｂ）の先端をそれぞれ挿入するとともに、その先端をプリント基板（３０）の裏面で直接半田付けすることによって、プリント基板（３０）にメス型端子（１０）を取り付けたことを特徴とする電気接続箱の接続端子構造。 An electrical junction box in which a female terminal (10) having a terminal holding part (2) for sandwiching a flat male terminal (20) is attached to a printed circuit board (30) on which a circuit portion of the electrical junction box is made a substrate. At the connection terminal,
The female terminal (10) is a thin plate-like flat plate portion (1) disposed horizontally with respect to the printed circuit board (30), and a terminal holder formed by bending the left and right ends of the flat plate portion (1) upward. A portion (2) and a support portion (3a, 3b) formed by bending the front and rear ends of the flat plate portion (1) downward;
Insert the tips of the support portions (3a, 3b) into a plurality of mounting holes (31a, 31b) formed in the printed circuit board (30), respectively, and solder the tips directly on the back surface of the printed circuit board (30). A connection terminal structure for an electrical connection box, wherein a female terminal (10) is attached to a printed circuit board (30). 平板部（１）の前後両端を下方に折り曲げて形成した支持部にスリットを入れ、複数に分岐させたことを特徴とする請求項１に記載の電気接続箱の接続端子構造。   The connection terminal structure for an electrical connection box according to claim 1, wherein a slit is formed in a support portion formed by bending the front and rear ends of the flat plate portion (1) downward to divide the support portion into a plurality.
JP2004245110A 2004-08-25 2004-08-25 Connecting terminal structure of electric connection box Pending JP2006066123A (en)

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