JP4908155B2 - Female terminal - Google Patents

Female terminal Download PDF

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JP4908155B2
JP4908155B2 JP2006303731A JP2006303731A JP4908155B2 JP 4908155 B2 JP4908155 B2 JP 4908155B2 JP 2006303731 A JP2006303731 A JP 2006303731A JP 2006303731 A JP2006303731 A JP 2006303731A JP 4908155 B2 JP4908155 B2 JP 4908155B2
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spring piece
female terminal
bent
male terminal
notch
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JP2008123740A (en
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隆志 室
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Yazaki Corp
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Description

本発明は、電気回路に使用され雄端子と接触される雌端子に関する。   The present invention relates to a female terminal used in an electric circuit and in contact with a male terminal.

従来、電気回路の接続に使用するコネクタに装着される雌端子は、銅、黄銅等の金属板を打ち抜き、折曲加工して雄端子受容部となる本体部を形成し、この本体部内にばね片を装着して相手側の雄端子を受容するようにしたものがある（例えば、特許文献１参照）。   Conventionally, a female terminal attached to a connector used to connect an electric circuit is formed by punching a metal plate such as copper or brass and bending it to form a main body portion that serves as a male terminal receiving portion. There is one in which a piece is attached to receive a male terminal on the other side (for example, see Patent Document 1).

図１４は特許文献１の雌端子の斜視図である。
この雌端子１００は、端子本体部１０２とばね片１０４との２つの部材からなるので、金型も２つ必要であり、製造工程が煩雑であった。また、ばね片１０４を本体部１０２に組み込み時又は組み込み後にばね片１０４が変形し易いので、信頼性が低いという問題があった。 FIG. 14 is a perspective view of a female terminal disclosed in Patent Document 1. FIG.
Since the female terminal 100 includes two members, that is, the terminal main body 102 and the spring piece 104, two molds are necessary, and the manufacturing process is complicated. Further, since the spring piece 104 is easily deformed when or after the spring piece 104 is incorporated in the main body 102, there is a problem that the reliability is low.

そこで、１枚の金属板を折り曲げ加工することにより構成した雌端子が提案されている（例えば、特許文献２参照）。この雌端子は、図１５に示すような所定形状に打ち抜いた金属板１０６を曲げ加工するだけで、図１６に示すようにばね片１０８を組み込んだ筒状の雌端子１１０を形成することができる。   Therefore, a female terminal configured by bending a single metal plate has been proposed (see, for example, Patent Document 2). This female terminal can be formed into a cylindrical female terminal 110 incorporating a spring piece 108 as shown in FIG. 16 simply by bending a metal plate 106 punched into a predetermined shape as shown in FIG. .

特開平１０−３１２８４４号公報（図１）Japanese Patent Laid-Open No. 10-312844 (FIG. 1) 特開２００３−３３１９６６号公報（図２、図４）JP 2003-331966 A (FIGS. 2 and 4)

しかし、上述の如き雌端子１００，１１０は、ばね片１０４，１０８を折り曲げたり、筒体を形成したときに、ばね片１０４，１０８がねじれて折り曲げられると、ばね片１０４，１０８の位置や傾きや弾性力が設定と異なってしまうという問題がある。   However, when the spring pieces 104 and 108 are bent or the spring pieces 104 and 108 are bent and twisted when the spring pieces 104 and 108 are bent or the cylindrical body is formed, the positions and inclinations of the spring pieces 104 and 108 are changed. There is a problem that the elastic force is different from the setting.

そこで、本発明の目的は、上記問題を解決することにあり、ばね片がねじれて折り曲げられたり、設定と異なって折り曲げられたときに、ばね片の位置、傾き、弾性力を適正に調整可能な雌端子を提供することにある。   Accordingly, an object of the present invention is to solve the above-mentioned problem, and when the spring piece is twisted and bent or bent differently from the setting, the position, inclination and elastic force of the spring piece can be adjusted appropriately. Is to provide a female terminal.

本発明の上記目的は、下記構成により達成される。
（１） 雄端子を受容する筒状の雄端子接続部を有する雌端子において、
前記雄端子接続部が、底板と、該底板の一方側の一端側を折曲部として前記底板に連続し前記底板に重ねて折り曲げ加工されたばね片と、前記底板の他方側に連続して折り曲げ加工された第１側板と、該第１側板に連続して折り曲げ加工された天板と、該天板に連続して折り曲げ加工された第２側板とにより構成され、前記ばね片の基部に位置調整リブが設けられ、前記第１側板に前記位置調整リブと係合する切欠が形成され、前記位置調整リブと前記切欠が雄端子挿入方向と直交する方向に沿って複数の位置で係合可能であることを特徴とする雌端子。 The above object of the present invention is achieved by the following configurations.
(1) In a female terminal having a cylindrical male terminal connecting portion for receiving a male terminal,
The male terminal connecting portion includes a bottom plate, a spring piece that is bent on one end of the bottom plate and is bent on the bottom plate, and is continuously bent on the other side of the bottom plate. A first side plate that is processed, a top plate that is continuously bent to the first side plate, and a second side plate that is continuously bent to the top plate, are located at the base of the spring piece. An adjustment rib is provided, a notch that engages with the position adjustment rib is formed in the first side plate, and the position adjustment rib and the notch can be engaged at a plurality of positions along a direction orthogonal to the male terminal insertion direction. A female terminal characterized by being.

（２） 前記切欠の縁部に雄端子挿入方向と直交する方向に沿って複数の係止突起を有することを特徴とする前記（１）記載の雌端子。 (2) The female terminal according to (1), wherein the notch has a plurality of locking projections along a direction orthogonal to a male terminal insertion direction at an edge of the notch.

（３） 前記ばね片の折曲部が、前記雄端子接続部の折曲部と平行であることを特徴とする前記（１）記載の雌端子。   (3) The female terminal according to (1), wherein the bent portion of the spring piece is parallel to the bent portion of the male terminal connecting portion.

前記（１）の構成によれば、ばね片の基部に設けられた位置調整リブが、第１側板に形成された切欠に係合して雄端子挿入方向と直交する方向に沿ってばね片の位置が調整されるので、雄端子受容部を形成するとき等にばね片がねじれたりして位置、傾き、弾性力が設定と変わってしまった場合にも、ばね片を適正な組み込み状態に矯正することができる。 According to the configuration of (1), the position adjusting rib provided at the base of the spring piece engages with the notch formed in the first side plate, and the spring piece extends along the direction perpendicular to the male terminal insertion direction . Since the position is adjusted, even when the spring piece is twisted when the male terminal receiving part is formed, etc., and the position, tilt, and elastic force change from the setting, the spring piece is corrected to the proper assembled state can do.

前記（２）の構成によれば、切欠の縁部に雄端子挿入方向と直交する方向に沿って設けられた複数の係止突起により、位置調整リブを雄端子挿入方向と直交する方向に沿って複数の異なる位置で係止することができ、ばね片の位置を複数位置に調整することができる。 According to the configuration of (2) above, the position adjusting rib is extended along the direction orthogonal to the male terminal insertion direction by the plurality of locking projections provided along the direction orthogonal to the male terminal insertion direction at the edge of the notch. Can be locked at a plurality of different positions, and the position of the spring piece can be adjusted to a plurality of positions.

前記（３）の構成によれば、雄端子受容部の形成とばね片の組み込みとを、同じ方向への繰り返しの曲げ加工により実行することができるので、加工工程が簡略であり雌端子を容易に形成することができる。   According to the configuration of (3), the formation of the male terminal receiving portion and the incorporation of the spring piece can be performed by repeated bending in the same direction, so that the machining process is simple and the female terminal is easy. Can be formed.

本発明によれば、雄端子受容部内にばね片が設定と異なる状態に組み込まれても、ばね片の位置を雄端子挿入方向と直交する方向に沿って容易に調整して矯正することができ、ばね片の正確な動作を保証することができる、信頼性の高い雌端子を提供することができる。 According to the present invention, even if the spring piece is incorporated in the male terminal receiving portion in a state different from the setting, the position of the spring piece can be easily adjusted and corrected along the direction orthogonal to the male terminal insertion direction. In addition, it is possible to provide a highly reliable female terminal that can guarantee an accurate operation of the spring piece.

以下、添付図面を参照して、本発明の一実施形態を説明する。   Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

図１は本発明の実施形態である雌端子の斜視図、図２は雌端子の正面図、図３は図２のＡ−Ａ断面図、図４は雌端子の側面図、図５は雌端子を形成する金属板の展開図、図６〜図１１は雌端子を形成する工程図、図１２はばね片の位置調整部分の斜視図、図１３はばね片の位置調整部分の側面図である。   1 is a perspective view of a female terminal according to an embodiment of the present invention, FIG. 2 is a front view of the female terminal, FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2, FIG. 6 to 11 are process diagrams for forming the female terminal, FIG. 12 is a perspective view of the position adjustment portion of the spring piece, and FIG. 13 is a side view of the position adjustment portion of the spring piece. is there.

図１に示すように、雌端子１０は接続相手となる雄端子を受容する雄端子受容部１２内に、雄端子と弾性的に接触して電気接続状態を得るためのばね片１４が内蔵された構成である。図３に示すように、ばね片１４は片持ち状態に支持されて弾性力を発揮し、自由端側が山形形状に形成されて雄端子との接触部となっている。   As shown in FIG. 1, the female terminal 10 includes a spring piece 14 for elastically contacting the male terminal to obtain an electrical connection state in a male terminal receiving portion 12 that receives a male terminal to be connected. It is a configuration. As shown in FIG. 3, the spring piece 14 is supported in a cantilever state and exhibits an elastic force, and the free end side is formed in a mountain shape to form a contact portion with the male terminal.

そして、図示しない雄端子は、ばね片１４の弾性力に抗して図３中左方から雄端子受容部１２内に挿入され、ばね片１４と弾性接触することにより電気的接続が得られる。なお、この雌端子１０は、特定の電線接続部が設けられておらず、用途に応じて任意の電線接続部が基部側（図３中右側）に設けられ、電線と電気的に接続される。   A male terminal (not shown) is inserted into the male terminal receiving portion 12 from the left side in FIG. 3 against the elastic force of the spring piece 14, and an electrical connection is obtained by elastic contact with the spring piece 14. In addition, this female terminal 10 is not provided with a specific electric wire connection portion, and an arbitrary electric wire connection portion is provided on the base side (right side in FIG. 3) according to the application, and is electrically connected to the electric wire. .

雌端子１０の雄端子受容部１２は、雄端子を受容可能な筒状に形成され、底板１６と、第１側板１８、天板２０、第２側板２２とから構成されている。ばね片１４の基部には位置調整リブ２４が設けられており、また第１側壁１８の対応する部分には切欠２６が形成されている。そして、ばね片１４の基部に設けられた位置調整リブ２４が第１側板１８の切欠２６に係止されることにより、ばね片１４は組み付け位置が調整される。   The male terminal receiving portion 12 of the female terminal 10 is formed in a cylindrical shape capable of receiving a male terminal, and includes a bottom plate 16, a first side plate 18, a top plate 20, and a second side plate 22. A position adjusting rib 24 is provided at the base of the spring piece 14, and a notch 26 is formed in a corresponding portion of the first side wall 18. And the position adjustment rib 24 provided in the base part of the spring piece 14 is latched by the notch 26 of the 1st side plate 18, and the assembly position of the spring piece 14 is adjusted.

位置調整リブ２４は図１２及び図１３に示すように、先端が両側に張り出した形状であり、一方、切欠２６には位置調整リブ２４の先端部両側を係止する複数の係止突起２８が形成されている。図１２の例では、一対の係止突起２８が形成されていることにより、位置調整リブ２６は、係止突起２８を乗り越える前の位置と、係止突起２８を乗り越えた位置との２つの位置に設定可能になっている。   As shown in FIGS. 12 and 13, the position adjusting rib 24 has a shape in which the tip protrudes on both sides. On the other hand, the notch 26 has a plurality of locking protrusions 28 that lock both ends of the tip of the position adjusting rib 24. Is formed. In the example of FIG. 12, since the pair of locking projections 28 are formed, the position adjusting rib 26 has two positions: a position before getting over the locking protrusion 28 and a position getting over the locking protrusion 28. Can be set to.

そして、位置調整リブ２４が異なる位置で係止されることにより、位置調整リブ２４と一体であるばね片１４の自由端の位置が変わり、位置調整リブ２４によりばね片１４の位置を調整することにより、ばね片１４の適正な位置、姿勢、角度、弾性力が得られるようになる。   The position adjustment rib 24 is locked at a different position, so that the position of the free end of the spring piece 14 integrated with the position adjustment rib 24 is changed, and the position of the spring piece 14 is adjusted by the position adjustment rib 24. Thus, an appropriate position, posture, angle, and elastic force of the spring piece 14 can be obtained.

また、この係止突起２８を切欠２６の縁部に複数組設けることにより、位置調整リブ２６の係止位置を多段にすることができ、ばね片１４の更に細かい位置調整が可能になる。   In addition, by providing a plurality of sets of the locking projections 28 on the edge of the notch 26, the locking position of the position adjusting rib 26 can be made multi-stage, and the spring piece 14 can be further finely adjusted.

なお、位置調整リブ２４が底板１６よりも下方に突出すると、雌端子１０の組付時の障害となったりして組み付けに制約がでてしまうので、位置調整リブ２４は底板１６よりも下方に突出しない範囲で係止位置を調整されることが好ましい。   If the position adjusting rib 24 protrudes below the bottom plate 16, the position adjusting rib 24 may be lower than the bottom plate 16, because it may be an obstacle when the female terminal 10 is assembled and the assembly is restricted. It is preferable that the locking position is adjusted within a range that does not protrude.

次に、上記構成の雌端子の製造方法について説明する。
雌端子は図５に示す形状の１枚の導電性金属板３０を折り曲げ加工することにより形成される。まず最初に、導電性金属板３０を、組み立てたときに雌端子１０の形状となる図５及び図６に示す所定の形状に打ち抜く。導電性金属板３０は、ばね片１４、底板１６、第１側板１８、天板２０、第２側板２２と連続して展開されており、各部分の境界部が折曲部となっている。 Next, a method for manufacturing the female terminal having the above configuration will be described.
The female terminal is formed by bending one conductive metal plate 30 having the shape shown in FIG. First, the conductive metal plate 30 is punched into a predetermined shape shown in FIGS. 5 and 6 which is the shape of the female terminal 10 when assembled. The conductive metal plate 30 is continuously developed with the spring piece 14, the bottom plate 16, the first side plate 18, the top plate 20, and the second side plate 22, and a boundary portion of each portion is a bent portion.

ばね片１４は底板１６の一方側の一端側に連続して底板１６と同方向に延びている。第１側板１８は底板１６の他方側に連続し、天板２０は第１側板１８に連続し、第２側板２２は天板２０に連続している。ばね片１４には位置調整リブ２４が設けられ、第１側板１８には切欠２６が形成されている。   The spring piece 14 extends in the same direction as the bottom plate 16 continuously to one end of one side of the bottom plate 16. The first side plate 18 is continuous with the other side of the bottom plate 16, the top plate 20 is continuous with the first side plate 18, and the second side plate 22 is continuous with the top plate 20. The spring piece 14 is provided with a position adjusting rib 24, and the first side plate 18 is formed with a notch 26.

次に、図７に示すように、ばね片１４に弾性力が生じるように自由端部を山形の湾曲形状に曲げ加工する。次に、図８に示すように、ばね片１４を底板１６上に間隙を有して重なるように折り曲げる。   Next, as shown in FIG. 7, the free end portion is bent into a mountain-shaped curved shape so that an elastic force is generated in the spring piece 14. Next, as shown in FIG. 8, the spring piece 14 is bent so as to overlap the bottom plate 16 with a gap.

次に、図９に示すように、ばね片１４に設けられた位置調整リブ２４を、第１側壁１８の切欠２６内に折り曲げて、切欠２６により位置調整リブ２４を係止する。次に、図１０に示すように、第２側板２２を天板２０に対して折り曲げる。次に、図１１に示すように底板１６及び天板２０を第１側板１８に対して順次又は同時に折り曲げて製造が完了する。   Next, as shown in FIG. 9, the position adjusting rib 24 provided on the spring piece 14 is bent into the notch 26 of the first side wall 18, and the position adjusting rib 24 is locked by the notch 26. Next, as shown in FIG. 10, the second side plate 22 is bent with respect to the top plate 20. Next, as shown in FIG. 11, the bottom plate 16 and the top plate 20 are bent sequentially or simultaneously with respect to the first side plate 18 to complete the manufacture.

上記実施形態によれば、ばね片１４に設けられた位置調整リブ２６が第１側板１８の切欠２６に係合することにより、ばね片１４の位置が調整される。したがって、組立加工時等にばね片１４の取付状態が設定と変わっても容易にばね片１４の位置を調整して矯正することができ、ばね片の正確な動作を保証することができる、信頼性の高い雌端子を提供することができる。   According to the embodiment, the position adjustment rib 26 provided on the spring piece 14 is engaged with the notch 26 of the first side plate 18, whereby the position of the spring piece 14 is adjusted. Therefore, even when the mounting state of the spring piece 14 is changed from the setting at the time of assembly processing or the like, the position of the spring piece 14 can be easily adjusted and corrected, and the accurate operation of the spring piece can be ensured. A high-performance female terminal can be provided.

また、上記実施形態では、ばね片１４の組み込みと雄端子収容部１２の形成の際に、すべての部材が同じ方向に折り曲げられるので、加工工程が簡略であり雌端子１０を容易に形成することができ、また押圧動作等を実行する加工治具の移動方向が一方向でよく、製造装置の構成が簡略になる。   Moreover, in the said embodiment, since all the members are bend | folded in the same direction at the time of the integration of the spring piece 14 and formation of the male terminal accommodating part 12, a manufacturing process is simple and forms the female terminal 10 easily. In addition, the moving direction of the processing jig for performing the pressing operation or the like may be one direction, and the configuration of the manufacturing apparatus is simplified.

本発明の実施形態である雌端子の斜視図である。It is a perspective view of the female terminal which is an embodiment of the present invention. 雌端子の正面図である。It is a front view of a female terminal. 図２のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 雌端子の側面図である。It is a side view of a female terminal. 雌端子を形成する金属板の展開図である。It is an expanded view of the metal plate which forms a female terminal. 雌端子を形成する工程図である。It is process drawing which forms a female terminal. 雌端子を形成する工程図である。It is process drawing which forms a female terminal. 雌端子を形成する工程図である。It is process drawing which forms a female terminal. 雌端子を形成する工程図である。It is process drawing which forms a female terminal. 雌端子を形成する工程図である。It is process drawing which forms a female terminal. 雌端子を形成する工程図である。It is process drawing which forms a female terminal. ばね片の位置調整部分の斜視図である。It is a perspective view of the position adjustment part of a spring piece. ばね片の位置調整部分の側面図である。It is a side view of the position adjustment part of a spring piece. 従来の雌端子の斜視図である。It is a perspective view of the conventional female terminal. 従来の雌端子の展開図である。It is an expanded view of the conventional female terminal. 従来の雌端子の部分断面図である。It is a fragmentary sectional view of the conventional female terminal.

符号の説明Explanation of symbols

１０，１００，１１０ 雌端子
１２ 雄端子収容部
１４，１０４，１０８ ばね片
１６ 底板
１８ 第１側板
２０ 天板
２２ 第２側板
２４ 位置調整リブ
２６ 切欠
２８ 係止突起
３０，１０６ 導電性金属板 10, 100, 110 Female terminal 12 Male terminal accommodating portion 14, 104, 108 Spring piece 16 Bottom plate 18 First side plate 20 Top plate 22 Second side plate 24 Position adjustment rib 26 Notch 28 Locking protrusions 30, 106 Conductive metal plate

Claims (3)

雄端子を受容する筒状の雄端子接続部を有する雌端子において、
前記雄端子接続部が、底板と、該底板の一方側の一端側を折曲部として前記底板に連続し前記底板に重ねて折り曲げ加工されたばね片と、前記底板の他方側に連続して折り曲げ加工された第１側板と、該第１側板に連続して折り曲げ加工された天板と、該天板に連続して折り曲げ加工された第２側板とにより構成され、前記ばね片の基部に位置調整リブが設けられ、前記第１側板に前記位置調整リブと係合する切欠が形成され、前記位置調整リブと前記切欠が雄端子挿入方向と直交する方向に沿って複数の位置で係合可能であることを特徴とする雌端子。 In the female terminal having a cylindrical male terminal connecting portion for receiving the male terminal,
The male terminal connecting portion includes a bottom plate, a spring piece that is bent on one end of the bottom plate and is bent on the bottom plate, and is continuously bent on the other side of the bottom plate. A first side plate that is processed, a top plate that is continuously bent to the first side plate, and a second side plate that is continuously bent to the top plate, are located at the base of the spring piece. An adjustment rib is provided, a notch that engages with the position adjustment rib is formed in the first side plate, and the position adjustment rib and the notch can be engaged at a plurality of positions along a direction orthogonal to the male terminal insertion direction. A female terminal characterized by being. 前記切欠の縁部に雄端子挿入方向と直交する方向に沿って複数の係止突起を有することを特徴とする請求項１記載の雌端子。 2. The female terminal according to claim 1, wherein the female terminal has a plurality of locking protrusions along a direction orthogonal to a male terminal insertion direction at an edge of the notch. 前記ばね片の折曲部が、前記雄端子接続部の折曲部と平行であることを特徴とする請求項１記載の雌端子。   The female terminal according to claim 1, wherein the bent portion of the spring piece is parallel to the bent portion of the male terminal connecting portion.
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