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JP6681236B2 - Terminal connection structure - Google Patents

Terminal connection structure Download PDF

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Publication number
JP6681236B2
JP6681236B2 JP2016058502A JP2016058502A JP6681236B2 JP 6681236 B2 JP6681236 B2 JP 6681236B2 JP 2016058502 A JP2016058502 A JP 2016058502A JP 2016058502 A JP2016058502 A JP 2016058502A JP 6681236 B2 JP6681236 B2 JP 6681236B2
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terminal
male tab
male
box
elastic bending
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JP2017174595A (en
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孝裕 松尾
孝裕 松尾
洋人 中田
洋人 中田
義貴 伊藤
義貴 伊藤
隆博 弓立
隆博 弓立
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Yazaki Corp
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Yazaki Corp
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Description

本発明は、弾性撓み部の弾性復帰力を接触荷重とする端子接続構造に関する。   The present invention relates to a terminal connection structure in which an elastic restoring force of an elastically flexible portion serves as a contact load.

従来例の端子接続構造として図11〜図13に示すものが提案されている(特許文献1)。この端子接続構造は、オス端子とメス端子を備えている。オス端子70は、図11に示すように、平板状のオスタブ部71を有する。メス端子81は、図12に示すように、四角形状の箱部82と、この箱部82に一体に設けられ、箱部82内に配置された弾性撓み部83とを有する。弾性撓み部83には、上面側に向かって突出するインデント部84が設けられている。インデント部84は、その外周面がほぼ球面形状であり、中心の頂点が最上方に位置している。箱部82の上面壁には、インデント部84に間隔を置いて対向配置されるビード部85が設けられている。   As a conventional terminal connection structure, one shown in FIGS. 11 to 13 has been proposed (Patent Document 1). This terminal connection structure includes a male terminal and a female terminal. As shown in FIG. 11, the male terminal 70 has a flat male tab portion 71. As shown in FIG. 12, the female terminal 81 has a rectangular box portion 82 and an elastic bending portion 83 that is provided integrally with the box portion 82 and that is disposed inside the box portion 82. The elastic bending portion 83 is provided with an indent portion 84 protruding toward the upper surface side. The outer peripheral surface of the indent portion 84 has a substantially spherical shape, and the apex at the center is located at the uppermost position. A bead portion 85 is provided on the upper wall of the box portion 82 so as to face the indent portion 84 with a space therebetween.

上記構成において、図13に示すように、オス端子70のオスタブ部71をメス端子81の箱部82内に挿入すると、弾性撓み部83が撓み変形してオスタブ部71の挿入が許容される。オスタブ部71の挿入過程では、オスタブ部71が弾性撓み部83のインデント部84とビード部85を摺動する。端子嵌合位置では、オスタブ部71が弾性撓み部83のインデント部84とビード部85間に弾性撓み部83の弾性復帰力によって挟持される。つまり、端子嵌合位置では、弾性撓み部83の撓み復帰力を接触荷重として、オス端子70とメス端子81間が電気的に接続される。   In the above structure, as shown in FIG. 13, when the male tab portion 71 of the male terminal 70 is inserted into the box portion 82 of the female terminal 81, the elastic bending portion 83 is flexibly deformed and the insertion of the male tab portion 71 is allowed. In the insertion process of the male tab portion 71, the male tab portion 71 slides on the indent portion 84 and the bead portion 85 of the elastically bending portion 83. At the terminal fitting position, the male tab portion 71 is sandwiched between the indent portion 84 and the bead portion 85 of the elastic bending portion 83 by the elastic return force of the elastic bending portion 83. That is, at the terminal fitting position, the bending recovery force of the elastic bending portion 83 is used as a contact load to electrically connect the male terminal 70 and the female terminal 81.

特開2010−267419号公報JP, 2010-267419, A

しかしながら、前記従来の端子接続構造では、端子嵌合位置にあって、振動等が加わると、オス端子70のオスタブ部71が接触荷重に抗してメス端子81のインデント部84に対して相対的に移動可能であるため、微摺動する。オス端子70とメス端子81間が微摺動すると接触部位が微摺動摩耗し、インデント部84とオスタブ部71の間に摩耗粉が介在し、電気的信頼性が低下する。より詳しく説明すると、インデント部84の移動位置に微摺動で発生した摩耗粉があると、その摩耗粉にインデント部84が乗り上げ、接触抵抗が上昇するため、電気的信頼性が低下することになる。   However, in the above-mentioned conventional terminal connection structure, when vibration or the like is applied at the terminal fitting position, the male tab portion 71 of the male terminal 70 resists the contact load and is relatively moved with respect to the indent portion 84 of the female terminal 81. Since it can be moved to, it slides slightly. When the male terminal 70 and the female terminal 81 are slid slightly, the contact portion is slightly slid and worn, and abrasion powder is present between the indent portion 84 and the male tab portion 71, so that the electrical reliability is reduced. More specifically, if abrasion powder generated by fine sliding is present at the moving position of the indent portion 84, the indent portion 84 rides on the abrasion powder and the contact resistance increases, which lowers the electrical reliability. Become.

そこで、本発明は、前記した課題を解決すべくなされたものであり、微摺動を抑制でき、電気的信頼性の高い端子接続構造を提供することを目的とする。   Then, this invention is made | formed in order to solve the subject mentioned above, and an object of this invention is to provide a terminal connection structure which can suppress fine sliding and has high electrical reliability.

本発明は、オスタブ部を有する第1端子と、前記雄タブ部が挿入される箱部を有する第2端子とを備え、前記箱部はインデント部が突出された弾性撓み部と前記弾性撓み部の前記インデント部側に対向配置された挟持用接触部とを有し、前記オスタブ部が弾性変形された前記弾性撓み部と前記挟持用接触部の間に嵌合され、端子嵌合位置では、前記オスタブ部と前記インデント部が前記弾性撓み部の弾性復帰力を接触荷重として接続される端子接続構造において、前記箱部の両方の側面壁の内面には、ガイド溝がそれぞれ形成され、端子嵌合位置では、前記オスタブ部の両側端部が前記箱部の一対の前記ガイド溝に入り込み、前記オスタブ部の両側端部の一部が前記箱部の両方の前記側面壁に当接することを特徴とする端子接続構造であるThe present invention includes a first terminal having a male tab portion and a second terminal having a box portion into which the male tab portion is inserted, the box portion including an elastic bending portion having an indented portion and the elastic bending portion. Of the sandwiching contact portion that is arranged to face the indent portion , and the male tab portion is fitted between the elastically deformed portion elastically deformed and the sandwiching contact portion, at the terminal fitting position, In the terminal connection structure in which the male tab portion and the indent portion are connected by using the elastic restoring force of the elastic bending portion as a contact load , guide grooves are respectively formed on the inner surfaces of both side walls of the box portion, and the terminal fitting is performed. In the mating position, both end portions of the male tab portion enter into the pair of guide grooves of the box portion, and part of both end portions of the male tab portion abut both side walls of the box portion. Is a terminal connection structure .

本発明によれば、オスタブ部の一対の側壁部が弾性撓み部の端子嵌合方向の直交方向における移動を規制するため、オスタブ部と弾性撓み部、ひいてはインデント部との間の相対的な移動を抑制できる。これにより、微摺動を抑制でき、電気的信頼性の高い端子接続構造を提供できる。   According to the present invention, since the pair of side wall portions of the male tab portion restrict the movement of the elastic bending portion in the direction orthogonal to the terminal fitting direction, the relative movement between the male tab portion and the elastic bending portion, and by extension, the indent portion. Can be suppressed. As a result, it is possible to suppress fine sliding and provide a terminal connection structure with high electrical reliability.

本発明の第1参考例を示し、端子離間位置のオス端子とメス端子の断面図である。It is a sectional view of a male terminal and a female terminal in a terminal separation position, showing the 1st reference example of the present invention. 本発明の第1参考例を示し、端子嵌合位置のオス端子とメス端子の断面図である。 The 1st reference example of this invention is shown and it is sectional drawing of a male terminal and a female terminal of a terminal fitting position. 本発明の第1参考例を示し、(a)はオスタブ部の斜視図、(b)はオス端子とメス端子の嵌合状態の要部断面図、(c)は(b)のA−A線断面図である。 The 1st reference example of this invention is shown, (a) is a perspective view of a male tab part, (b) is principal part sectional drawing of the fitting state of a male terminal and a female terminal, (c) is AA of (b). It is a line sectional view. 本発明の実施形態を示し、端子離間位置の第1端子と第2端子の断面図である。FIG. 4 is a cross-sectional view of the first terminal and the second terminal at the terminal separation position according to the embodiment of the present invention. 本発明の実施形態を示し、端子嵌合位置の第1端子と第2端子の断面図である。FIG. 3 is a cross-sectional view of the first terminal and the second terminal at the terminal fitting position, showing the embodiment of the present invention. 本発明の実施形態を示し、(a)は箱部の一部斜視図、(b)はメス端子の箱部の断面図、(c)はオス端子とメス端子の嵌合状態の断面図である。1 shows an embodiment of the present invention, (a) is a partial perspective view of a box part, (b) is a sectional view of a box part of a female terminal, and (c) is a sectional view of a fitted state of a male terminal and a female terminal. is there. 本発明の実施形態の変形例を示し、(a)はメス端子の箱部の断面図、(b)はオス端子とメス端子の嵌合状態の断面図である。The modification of embodiment of this invention is shown, (a) is sectional drawing of the box part of a female terminal, (b) is sectional drawing of the fitting state of a male terminal and a female terminal. 本発明の第2参考例を示し、端子離間位置のオス端子とメス端子の断面図である。The 2nd reference example of this invention is shown and it is sectional drawing of a male terminal and a female terminal of a terminal separation position. 本発明の第2参考例を示し、端子嵌合位置のオス端子とメス端子の断面図である。The 2nd reference example of this invention is shown and it is sectional drawing of a male terminal and a female terminal of a terminal fitting position. 本発明の第2参考例を示し、(a)はオスタブ部の斜視図、(b)はオス端子とメス端子の嵌合状態の断面図である。The 2nd reference example of this invention is shown, (a) is a perspective view of a male tab part, (b) is sectional drawing of the fitting state of a male terminal and a female terminal. 本発明の従来例を示し、オス端子の斜視図である。It is a conventional example of this invention, and is a perspective view of a male terminal. 本発明の従来例を示し、メス端子の斜視図である。It is a perspective view of the female terminal which shows the prior art example of this invention. 本発明の従来例を示し、オス端子とメス端子の嵌合途中の断面図である。FIG. 11 is a cross-sectional view showing a conventional example of the present invention during the fitting of a male terminal and a female terminal.

以下、本発明の実施形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

第1参考例
図1〜図3は、本発明の第1参考例を示す。端子接続構造は、第1端子であるオス端子1と第2端子であるメス端子10を備えている。オス端子1は、電線接続部(図示せず)とオスタブ部3を有する。オス端子1は、所定形状の導電性金属プレートを折り曲げることで形成されている。
( First reference example )
1 to 3 show a first reference example of the present invention. The terminal connection structure includes a male terminal 1 that is a first terminal and a female terminal 10 that is a second terminal. The male terminal 1 has an electric wire connecting portion (not shown) and a male tab portion 3. The male terminal 1 is formed by bending a conductive metal plate having a predetermined shape.

オスタブ部3は、図3(a)に詳しく示すように、平板部4と、この平板部4の両側より突出された一対の側壁部5とを有する。一対の側壁部5は、端子嵌合位置で、下記する弾性撓み部13の両側面13aに当接する幅寸法と突出寸法を有する。換言すれば、オスタブ部3は、インデント部14が接触するインデント用接触面4aと、弾性撓み部13の両側面13aに当接する一対の振動防止用側壁面5aとを有する。又、一対の側壁部5は、平板部4の全長に亘って配置されている。   As shown in detail in FIG. 3A, the male tab portion 3 has a flat plate portion 4 and a pair of side wall portions 5 protruding from both sides of the flat plate portion 4. The pair of side wall portions 5 have a width dimension and a protrusion dimension that abut on both side surfaces 13a of the elastic bending portion 13 described below at the terminal fitting position. In other words, the male tab portion 3 has an indenting contact surface 4a with which the indent portion 14 comes into contact, and a pair of vibration preventing side wall surfaces 5a that abut on both side surfaces 13a of the elastic bending portion 13. Further, the pair of side wall portions 5 are arranged along the entire length of the flat plate portion 4.

メス端子10は、電線接続部(図示せず)と相手端子接続部11とを有する。メス端子10は、所定形状の導電性金属プレートを折り曲げることで形成されている。   The female terminal 10 has an electric wire connecting portion (not shown) and a mating terminal connecting portion 11. The female terminal 10 is formed by bending a conductive metal plate having a predetermined shape.

相手端子接続部11は、四角枠形状の箱部12と、この箱部12に一体に設けられ、箱部12内に配置された弾性撓み部(板バネ部)13とを有する。弾性撓み部13は、箱部12の底面壁の先端側より延設された部位を箱部12内に折り曲げて形成されている。弾性撓み部13は、上方に突出するインデント部14を有する。インデント部14は、その表面が球面形状である。   The mating terminal connecting portion 11 includes a box portion 12 having a rectangular frame shape, and an elastic bending portion (leaf spring portion) 13 provided integrally with the box portion 12 and arranged in the box portion 12. The elastic bending portion 13 is formed by bending a portion of the bottom wall of the box portion 12 extending from the front end side into the box portion 12. The elastic bending portion 13 has an indent portion 14 protruding upward. The surface of the indent portion 14 has a spherical shape.

箱部12の上面壁12a、つまり、弾性撓み部13のインデント部14側には、挟持用接触部であるビード部17が設けられている。ビード部17は、インデント部14に間隔を置いて対向配置される位置に設けられている。ビード部17は、箱部12の下方の上面壁12aによって形成されている。   A bead portion 17 serving as a sandwiching contact portion is provided on the upper surface wall 12a of the box portion 12, that is, on the indent portion 14 side of the elastic bending portion 13. The bead portion 17 is provided at a position opposed to the indent portion 14 with a space therebetween. The bead portion 17 is formed by the upper surface wall 12 a below the box portion 12.

上記構成において、図1の端子離間位置にあって、オス端子1のオスタブ部3をメス端子10の箱部12内に挿入すると、弾性撓み部13が撓み変形してオスタブ部3の挿入が許容される。オスタブ部3の挿入過程では、オスタブ部3が弾性撓み部13のインデント部14とビード部17を摺動する。図2(a)に示す端子嵌合位置では、オスタブ部3が弾性撓み部13のインデント部14とビード部17間に弾性撓み部13の弾性復帰力によって挟み込まれる(嵌合される)。つまり、端子嵌合位置では、弾性撓み部13の撓み復帰力を接触荷重として、オス端子1のオスタブ部3とメス端子10のインデント部14の間等が接触し、双方の端子間が電気的に接続される。   In the above configuration, when the male tab portion 3 of the male terminal 1 is inserted into the box portion 12 of the female terminal 10 at the terminal separation position of FIG. 1, the elastic bending portion 13 is flexibly deformed and the insertion of the male tab portion 3 is allowed. To be done. In the insertion process of the male tab portion 3, the male tab portion 3 slides on the indent portion 14 and the bead portion 17 of the elastic bending portion 13. At the terminal fitting position shown in FIG. 2A, the male tab portion 3 is sandwiched (fitted) between the indent portion 14 and the bead portion 17 of the elastically flexible portion 13 by the elastic return force of the elastically flexible portion 13. That is, at the terminal fitting position, the bending return force of the elastic bending portion 13 is used as a contact load to contact between the male tab portion 3 of the male terminal 1 and the indent portion 14 of the female terminal 10, and the two terminals are electrically connected. Connected to.

端子嵌合位置では、オスタブ部3の一対の側壁部5が弾性撓み部13の外側に位置し、且つ、弾性撓み部13の両側面13aに当接する。従って、一対の側壁部5が弾性撓み部13の端子嵌合方向の直交方向(オスタブ部3や弾性撓み部13の幅方向Y)における移動をガイド(規制)するため、オスタブ部3と弾性撓み部13、ひいてはインデント部14との間の相対的な移動を抑制できるため、微摺動を抑制できる。これにより、耐微摺動摩耗性が向上し、電気的信頼性が向上する。   At the terminal fitting position, the pair of side wall portions 5 of the male tab portion 3 are located outside the elastic bending portion 13 and contact both side surfaces 13 a of the elastic bending portion 13. Therefore, since the pair of side wall portions 5 guide (restrict) the movement of the elastic bending portion 13 in the direction orthogonal to the terminal fitting direction (the width direction Y of the male tab portion 3 or the elastic bending portion 13), the elastic bending portion 13 and the elastic bending portion Since relative movement between the portion 13 and the indent portion 14 can be suppressed, fine sliding can be suppressed. As a result, the fine sliding wear resistance is improved and the electrical reliability is improved.

上記したオスタブ部3の挿入過程では、オスタブ部3の一対の側壁部5が弾性撓み部13に規制されながらオスタブ部3が挿入される。従って、オスタブ部3のスムーズな挿入が行われる。   In the insertion process of the male tab portion 3 described above, the male tab portion 3 is inserted while the pair of side wall portions 5 of the male tab portion 3 are restricted by the elastic bending portions 13. Therefore, the male tab portion 3 is smoothly inserted.

この実施形態では、一対の側壁部5は、オスタブ部3の全長に亘って設けられているが、オスタブ部3の挿入先端より端子嵌合位置にあって弾性撓み部13の両側面13aに当接する位置まで設ければ、オスタブ部3のスムーズな挿入を図りつつオスタブ部3と弾性撓み部13、ひいてはインデント部14との間の相対的な移動を抑制できる。   In this embodiment, the pair of side wall portions 5 are provided over the entire length of the male tab portion 3, but are located at the terminal fitting position from the insertion tip of the male tab portion 3 and contact both side surfaces 13 a of the elastic bending portion 13. By providing up to the contact position, it is possible to suppress the relative movement between the male tab portion 3 and the elastic bending portion 13, and by extension, the indent portion 14 while achieving smooth insertion of the male tab portion 3.

実施形態
図4〜図6は、本発明の実施形態を示す。この実施形態の端子接続構造は、第1端子であるオス端子1と第2端子であるメス端子10を備えている。オス端子1は、電線接続部(図示せず)とオスタブ部3を有する。
( Embodiment )
4 to 6 show an embodiment of the present invention. The terminal connection structure of this embodiment includes a male terminal 1 that is a first terminal and a female terminal 10 that is a second terminal. The male terminal 1 has an electric wire connecting portion (not shown) and a male tab portion 3.

オス端子1は、所定形状の導電性金属プレートを折り曲げることで形成されている。オスタブ部3は、外面がほぼ平坦な細長いロッド形状である。オスタブ部3の幅寸法D1は、オスタブ部3の両側端部が下記する左右のガイド溝16の内面に当接するほどに入り込む幅寸法に設定されている。   The male terminal 1 is formed by bending a conductive metal plate having a predetermined shape. The male tab portion 3 has an elongated rod shape whose outer surface is substantially flat. The width dimension D1 of the male tab portion 3 is set to such a width that the both end portions of the male tab portion 3 come into contact with the inner surfaces of the left and right guide grooves 16 described below.

メス端子10は、電線接続部(図示せず)と相手端子接続部11とを有する。メス端子10は、所定形状の導電性金属プレートを折り曲げることで形成されている。   The female terminal 10 has an electric wire connecting portion (not shown) and a mating terminal connecting portion 11. The female terminal 10 is formed by bending a conductive metal plate having a predetermined shape.

相手端子接続部11は、四角枠形状の箱部12と、この箱部12に一体に設けられ、箱部12内に配置された弾性撓み部(板バネ部)13とを有する。弾性撓み部13は、箱部12の底面壁の先端側より延設された部位を箱部12内に折り曲げて形成されている。弾性撓み部13は、上方に突出するインデント部14を有する。インデント部14は、その表面が球面形状である。   The mating terminal connecting portion 11 includes a box portion 12 having a rectangular frame shape, and an elastic bending portion (leaf spring portion) 13 provided integrally with the box portion 12 and arranged in the box portion 12. The elastic bending portion 13 is formed by bending a portion of the bottom wall of the box portion 12 extending from the front end side into the box portion 12. The elastic bending portion 13 has an indent portion 14 protruding upward. The surface of the indent portion 14 has a spherical shape.

箱部12の上面壁12a、つまり、弾性撓み部13のインデント部14側には、挟持用接触部であるビード部17が設けられている。ビード部17は、インデント部14に間隔を置いて対向配置される位置に設けられている。ビード部17は、箱部12の上面壁12aによって形成されている。   A bead portion 17 serving as a sandwiching contact portion is provided on the upper surface wall 12a of the box portion 12, that is, on the indent portion 14 side of the elastic bending portion 13. The bead portion 17 is provided at a position opposed to the indent portion 14 with a space therebetween. The bead portion 17 is formed by the upper surface wall 12 a of the box portion 12.

箱部12の両方の側面壁12bには、上下方向に間隔を置いて内側に突出する一対のリブ15がそれぞれ突設されている。一対のリブ15は、箱部12のほぼ全長に亘って形成されている。箱部12の両方の側面壁12bの内面には、一対のリブ15によって、ガイド溝16がそれぞれ形成されている。   A pair of ribs 15 projecting inward are vertically provided on both side walls 12b of the box portion 12 at intervals in the vertical direction. The pair of ribs 15 are formed over substantially the entire length of the box portion 12. Guide grooves 16 are formed on the inner surfaces of both side walls 12 b of the box portion 12 by a pair of ribs 15.

上記構成において、図4の端子離間位置にあって、オス端子1のオスタブ部3をメス端子10の箱部12内に挿入すると、弾性撓み部13が撓み変形してオスタブ部3の挿入が許容される。オスタブ部3の挿入過程では、オスタブ部3が弾性撓み部13のインデント部14とビード部17を摺動する。図5に示す端子嵌合位置では、オスタブ部3が弾性撓み部13のインデント部14とビード部17間に弾性撓み部13の弾性復帰力によって挟み込まれる(嵌合される)。つまり、端子嵌合位置では、弾性撓み部13の撓み復帰力を接触荷重として、オス端子1のオスタブ部3とメス端子10のインデント部14の間等が接触し、双方の端子間が電気的に接続される。   In the above configuration, when the male tab portion 3 of the male terminal 1 is inserted into the box portion 12 of the female terminal 10 at the terminal separation position of FIG. 4, the elastic bending portion 13 is flexibly deformed and the insertion of the male tab portion 3 is allowed. To be done. In the insertion process of the male tab portion 3, the male tab portion 3 slides on the indent portion 14 and the bead portion 17 of the elastic bending portion 13. At the terminal fitting position shown in FIG. 5, the male tab portion 3 is sandwiched (fitted) between the indent portion 14 and the bead portion 17 of the elastic bending portion 13 by the elastic restoring force of the elastic bending portion 13. That is, at the terminal fitting position, the bending return force of the elastic bending portion 13 is used as a contact load to contact between the male tab portion 3 of the male terminal 1 and the indent portion 14 of the female terminal 10, and the two terminals are electrically connected. Connected to.

端子嵌合位置では、オスタブ部3の両側端部が箱部12の左右のガイド溝16に入り込み、オスタブ部3の両側端部の一部が箱部12の両方の側面壁12bに当接する。従って、図3(c)に示すように、一対のガイド溝16を有する側面壁12bが弾性撓み部13の端子嵌合方向の直交方向(オスタブ部3の幅方向:Y軸方向)の移動及びY軸中心の回転を規制するため、オスタブ部3と弾性撓み部13、ひいてはインデント部14との間の相対的な移動を抑制できるため、微摺動を抑制できる。これにより、耐微摺動摩耗性が向上し、電気的信頼性が向上する。   At the terminal fitting position, both end portions of the male tab portion 3 enter the left and right guide grooves 16 of the box portion 12, and a part of both end portions of the male tab portion 3 abut on both side walls 12b of the box portion 12. Therefore, as shown in FIG. 3C, the side wall 12 b having the pair of guide grooves 16 moves and moves in a direction orthogonal to the terminal fitting direction of the elastically flexible portion 13 (width direction of the male tab portion 3: Y-axis direction). Since the rotation around the Y axis is regulated, the relative movement between the male tab portion 3 and the elastic bending portion 13, and by extension, the indent portion 14 can be suppressed, so that fine sliding can be suppressed. As a result, the fine sliding wear resistance is improved and the electrical reliability is improved.

また、上記したオスタブ部3の挿入過程では、オスタブ部3の両方の側端部が一対のガイド溝16にガイドされながらオスタブ部3が挿入される。従って、オスタブ部3のスムーズな挿入が行われる。   In the insertion process of the male tab portion 3 described above, the male tab portion 3 is inserted while both side end portions of the male tab portion 3 are guided by the pair of guide grooves 16. Therefore, the male tab portion 3 is smoothly inserted.

実施形態の変形例)
図7は、本発明の実施形態の変形例を示す。この実施形態の変形例は、前記実施形態と比較して、ガイド溝16の構成が相違する。つまり、箱部12の側面壁12bには、外側に突出するコ字状の突部18がそれぞれ設けられている。左右一対の突部18は、箱部12のほぼ全長に亘って設けられている。この各突部18の内面によってガイド溝16が形成されている。又、オスタブ部3の幅寸法D2は、オスタブ部3の両側端部が左右一対のガイド溝16にほぼ隙間なく入り込む幅寸法に設定されている。
(Modification of Embodiment)
FIG. 7 shows a modification of the embodiment of the present invention. The modified example of this embodiment is different in the configuration of the guide groove 16 from the above-described embodiment . That is, the side wall 12b of the box portion 12 is provided with the U-shaped protrusions 18 protruding outward. The pair of left and right protrusions 18 are provided over substantially the entire length of the box portion 12. The guide groove 16 is formed by the inner surface of each protrusion 18. The width dimension D2 of the male tab portion 3 is set to a width dimension in which both end portions of the male tab portion 3 enter the pair of left and right guide grooves 16 with almost no gap.

他の構成は、前記実施形態と同様であるため、同一構成箇所に同一符号を付して説明
を省略する。
Since other configurations are the same as those in the above-described embodiment , the same reference numerals are given to the same components and the description thereof will be omitted.

この実施形態の変形例でも、端子嵌合位置では、オスタブ部3の両側端部が箱部12
の左右のガイド溝16に入り込み、オスタブ部3の両側端部が箱部12の両方の側面壁1
2bの当接する。従って、一対のガイド溝16を有する側面壁12bが弾性撓み部13の
端子嵌合方向の直交方向(オスタブ部3の幅方向:Y軸方向)の移動及びY軸中心の回転
を規制するため、オスタブ部3と弾性撓み部13、ひいてはインデント部14との間の相
対的な移動を抑制できるため、微摺動を抑制できる。これにより、耐微摺動摩耗性が向上
し、電気的信頼性が向上する。
Also in the modified example of this embodiment , both end portions of the male tab portion 3 are located at the box portion 12 at the terminal fitting position.
Into the guide grooves 16 on the left and right of the box, and both end portions of the male tab portion 3 are located on both side walls 1 of the box portion 12.
2b abut. Therefore, the side wall 12b having the pair of guide grooves 16 restricts the movement of the elastically flexible portion 13 in the direction orthogonal to the terminal fitting direction (width direction of the male tab portion 3: Y-axis direction) and rotation about the Y-axis center. Since relative movement between the male tab portion 3 and the elastic bending portion 13, and by extension, the indent portion 14 can be suppressed, fine sliding can be suppressed. As a result, the fine sliding wear resistance is improved and the electrical reliability is improved.

また、上記したオスタブ部3の挿入過程では、オスタブ部3の両方の側端部が一対のガイド溝16にガイドされながらオスタブ部3が挿入される。従って、オスタブ部3のスムーズな挿入が行われる。   In the insertion process of the male tab portion 3 described above, the male tab portion 3 is inserted while both side end portions of the male tab portion 3 are guided by the pair of guide grooves 16. Therefore, the male tab portion 3 is smoothly inserted.

(第2参考例)
図8〜図10は、本発明の第2参考例を示す。この第2参考例の端子接続構造は、第1端子であるオス端子1と第2端子であるメス端子10を備えている。
(Second reference example)
8 to 10 show a second reference example of the present invention. The terminal connection structure of the second reference example includes a male terminal 1 that is a first terminal and a female terminal 10 that is a second terminal.

オス端子1は、電線接続部(図示せず)とオスタブ部3を有する。オス端子1は、所定形状の導電性金属プレートを折り曲げることで形成されている。オスタブ部3は、平板部7と、この平板部7の幅方向の中心より立設された立設壁8とを有する。立設壁8は、端子嵌合位置で、下記する箱部12の凹部19にほぼ隙間なく入り込む幅寸法と突出寸法を有する。平板部7及び立設壁8は、上記したように1枚の導電性金属プレートの一部を曲げ加工して形成されている。立設部8の先端面は、長手方向の直交方向の面が折り曲げによって円弧面に形成されている。   The male terminal 1 has an electric wire connecting portion (not shown) and a male tab portion 3. The male terminal 1 is formed by bending a conductive metal plate having a predetermined shape. The male tub portion 3 has a flat plate portion 7 and a standing wall 8 which is erected from the center of the flat plate portion 7 in the width direction. The standing wall 8 has a width dimension and a protrusion dimension that fit into the recessed portion 19 of the box portion 12 described below with almost no gap at the terminal fitting position. The flat plate portion 7 and the standing wall 8 are formed by bending a part of one conductive metal plate as described above. The tip end surface of the upright portion 8 is formed by bending a surface in the direction orthogonal to the longitudinal direction into an arc surface.

メス端子10は、電線接続部(図示せず)と相手端子接続部11とを有する。メス端子10は、所定形状の導電性金属プレートを折り曲げることで形成されている。   The female terminal 10 has an electric wire connecting portion (not shown) and a mating terminal connecting portion 11. The female terminal 10 is formed by bending a conductive metal plate having a predetermined shape.

相手端子接続部11は、四角枠形状の箱部12と、この箱部12に一体に設けられ、箱部12内に配置された弾性撓み部(板バネ部)13とを有する。弾性撓み部13は、箱部12の底面壁の先端側より延設された部位を箱部12内に折り曲げて形成されている。弾性撓み部13は、上方に突出するインデント部14を有する。インデント部14は、その表面が球面形状である。   The mating terminal connecting portion 11 includes a box portion 12 having a rectangular frame shape, and an elastic bending portion (leaf spring portion) 13 provided integrally with the box portion 12 and arranged in the box portion 12. The elastic bending portion 13 is formed by bending a portion of the bottom wall of the box portion 12 extending from the front end side into the box portion 12. The elastic bending portion 13 has an indent portion 14 protruding upward. The surface of the indent portion 14 has a spherical shape.

箱部12の上面壁12a、つまり、弾性撓み部13のインデント部14側には、挟持用接触部であるビード部17が設けられている。ビード部17は、インデント部14に間隔を置いて対向配置される位置に設けられている。ビード部17は、箱部12の下方位置の上面壁12aによって形成されている。ビード部17の幅方向の中心には、端子挿入方向に沿って延びる凹部19が設けられている。凹部19は、ビード部17の端子挿入方向の全域に亘って設けられている。   A bead portion 17 serving as a sandwiching contact portion is provided on the upper surface wall 12a of the box portion 12, that is, on the indent portion 14 side of the elastic bending portion 13. The bead portion 17 is provided at a position opposed to the indent portion 14 with a space therebetween. The bead portion 17 is formed by the upper surface wall 12 a located below the box portion 12. A recess 19 extending in the terminal insertion direction is provided at the center of the bead portion 17 in the width direction. The recessed portion 19 is provided over the entire area of the bead portion 17 in the terminal insertion direction.

上記構成において、図8の端子離間位置にあって、オス端子1のオスタブ部3をメス端子10の箱部12内に挿入すると、弾性撓み部13が撓み変形してオスタブ部3の挿入が許容される。オスタブ部3の挿入過程では、オスタブ部3が弾性撓み部13のインデント部14を摺動する。図9の端子嵌合位置では、オスタブ部3が弾性撓み部13のインデント部14に弾性撓み部13の弾性復帰力によって接触される。つまり、端子嵌合位置では、弾性撓み部13の撓み復帰力を接触荷重として、オス端子1のオスタブ部3とメス端子10のインデント部14の間等が接触し、双方の端子間が電気的に接続される。   In the above configuration, when the male tab portion 3 of the male terminal 1 is inserted into the box portion 12 of the female terminal 10 at the terminal separation position of FIG. 8, the elastic bending portion 13 is flexibly deformed and the insertion of the male tab portion 3 is allowed. To be done. In the insertion process of the male tab portion 3, the male tab portion 3 slides on the indent portion 14 of the elastic bending portion 13. At the terminal fitting position in FIG. 9, the male tab portion 3 is brought into contact with the indented portion 14 of the elastic bending portion 13 by the elastic return force of the elastic bending portion 13. That is, at the terminal fitting position, the bending return force of the elastic bending portion 13 is used as a contact load to contact between the male tab portion 3 of the male terminal 1 and the indent portion 14 of the female terminal 10, and the two terminals are electrically connected. Connected to.

端子嵌合位置では、オスタブ部3の立設壁8が箱部12の凹部19に隙間なく入り込んでいる。従って、オスタブ部3は、弾性撓み部13の端子嵌合方向の直交方向(オスタブ部3の幅方向:Y軸方向)の移動が規制されるため、オスタブ部3と弾性撓み部13、ひいてはインデント部14との間の相対的な移動を抑制できるため、微摺動を抑制できる。これにより、耐微摺動摩耗性が向上し、電気的信頼性が向上する。   At the terminal fitting position, the upright wall 8 of the male tab portion 3 is inserted into the recess 19 of the box portion 12 without any gap. Therefore, since the movement of the male tab portion 3 in the direction orthogonal to the terminal fitting direction of the elastic bending portion 13 (width direction of the male tab portion 3: Y-axis direction) is restricted, the male tab portion 3 and the elastic bending portion 13, and thus the indent. Since relative movement with the portion 14 can be suppressed, fine sliding can be suppressed. As a result, the fine sliding wear resistance is improved and the electrical reliability is improved.

また、上記したオスタブ部3の挿入過程では、オスタブ部3の立設壁8が箱部12の凹部19にガイドされながらオスタブ部3が挿入される。従って、オスタブ部3の適正な挿入方向でスムーズな挿入が行われる。   In the insertion process of the male tab portion 3, the male tab portion 3 is inserted while the standing wall 8 of the male tab portion 3 is guided by the recess 19 of the box portion 12. Therefore, smooth insertion is performed in the proper insertion direction of the male tab portion 3.

1 オス端子(第1端子)
3 オスタブ部
5 側壁部
10 メス端子(第2端子)
13 弾性撓み部
14 インデント部
17 挟持用接触部
1 Male terminal (1st terminal)
3 Male tab part 5 Side wall part 10 Female terminal (second terminal)
13 elastic bending part 14 indent part 17 contact part for clamping

Claims (2)

オスタブ部を有する第1端子と、前記雄タブ部が挿入される箱部を有する第2端子とを備え、前記箱部はインデント部が突出された弾性撓み部と前記弾性撓み部の前記インデント部側に対向配置された挟持用接触部とを有し、前記オスタブ部が弾性変形された前記弾性撓み部と前記挟持用接触部の間に嵌合され、端子嵌合位置では、前記オスタブ部と前記インデント部が前記弾性撓み部の弾性復帰力を接触荷重として接続される端子接続構造において、
前記箱部の両方の側面壁の内面には、ガイド溝がそれぞれ形成され、
端子嵌合位置では、前記オスタブ部の両側端部が前記箱部の一対の前記ガイド溝に入り込み、前記オスタブ部の両側端部の一部が前記箱部の両方の前記側面壁に当接することを特徴とする端子接続構造
An elastic bending portion having an indent portion protruding from the first terminal having a male tab portion and a second terminal having a box portion into which the male tab portion is inserted, and the indent portion of the elastic bending portion. And a clamping contact portion disposed on the opposite side, the male tab portion is fitted between the elastically deformed portion elastically deformed and the clamping contact portion, and at the terminal fitting position, the male tab portion and In the terminal connection structure in which the indent portion is connected with the elastic return force of the elastic bending portion as a contact load,
Guide grooves are formed on the inner surfaces of both side walls of the box,
At the terminal fitting position, both end portions of the male tab portion enter into the pair of guide grooves of the box portion, and a part of both end portions of the male tab portion abut both side walls of the box portion. Terminal connection structure characterized by .
請求項1記載の端子接続構造であって、
一対の前記ガイド溝は、前記箱部の全長に亘って形成されていることを特徴とする端子接続構造
The terminal connection structure according to claim 1,
The terminal connection structure, wherein the pair of guide grooves are formed over the entire length of the box portion .
JP2016058502A 2016-03-23 2016-03-23 Terminal connection structure Active JP6681236B2 (en)

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