JP4470764B2 - Combination terminal bracket - Google Patents

Combination terminal bracket Download PDF

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JP4470764B2
JP4470764B2 JP2005064013A JP2005064013A JP4470764B2 JP 4470764 B2 JP4470764 B2 JP 4470764B2 JP 2005064013 A JP2005064013 A JP 2005064013A JP 2005064013 A JP2005064013 A JP 2005064013A JP 4470764 B2 JP4470764 B2 JP 4470764B2
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contact portion
hole
mounting
terminal
terminal fittings
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JP2006252810A (en
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宏幸 松岡
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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Description

本発明は、組合せ端子金具に関する。   The present invention relates to a combination terminal fitting.

組合せ端子金具の一例として、自動車のボディに取り付けられるアース用の端子金具が知られている。このものは一対の端子金具からなり、両端子金具は、左右方向から重ねられて一体に組み付けられ、その状態でボディに対してボルト締めにより固定される。
両端子金具のうちの一方には接触突部が突出して形成されており、組み付け時においては、この接触突部が他方の端子金具の対向面を押圧し、これによって両端子金具の接触信頼性が確保されるようになっている。なお、この種の端子金具は以下の特許文献１に記載されている。
特開２００１−３３８７１０公報 As an example of the combination terminal fitting, a ground terminal fitting attached to the body of an automobile is known. This is composed of a pair of terminal fittings, and both the terminal fittings are stacked and assembled together in the left-right direction, and in that state, are fixed to the body by bolting.
One of the two terminal fittings is formed with a protruding protrusion, and at the time of assembly, this contacting protrusion presses the opposite surface of the other terminal fitting, thereby making the contact reliability of both terminal fittings Is to be secured. This type of terminal fitting is described in Patent Document 1 below.
JP 2001-338710 A

ところで、上記の場合には、両端子金具を密着状に重ね合わせようとしても、接触突部が形成されている部分でその接触突部の突出量に相当する分だけ他方の端子金具が一方の端子金具から浮き上がってしまい、その部分の変形量が大きいという問題がある。
この対策として、他方の端子金具に凹部を形成し、この凹部内に接触突部を嵌め入れることで、他方の端子金具の浮き上がり量を小さくすることが考えられるが、そうすると、両端子金具間で充分な接圧を確保し難くなるので、接触信頼性に欠ける嫌いがある。 By the way, in the above case, even if both terminal fittings are to be closely stacked, the other terminal fitting has one portion corresponding to the protruding amount of the contact projection at the portion where the contact projection is formed. There is a problem in that it floats up from the terminal fitting and the deformation amount of the portion is large.
As a countermeasure, a concavity is formed in the other terminal fitting, and a contact protrusion is inserted into the concavity to reduce the amount of lifting of the other terminal fitting. Since it becomes difficult to ensure sufficient contact pressure, there is a dislike of lack of contact reliability.

本発明は上記のような事情に基づいて完成されたものであって、端子金具の変形量を抑えるとともに接触信頼性の向上を図ることを目的とする。   The present invention has been completed based on the above circumstances, and an object thereof is to suppress the deformation amount of the terminal fitting and improve the contact reliability.

上記の目的を達成するための手段として、請求項１の発明は、それぞれが板状の取付部を備えた一対の端子金具からなり、前記両取付部を重ねつつ互いの板面に沿ってスライドさせることで、前記両取付部が互いに噛み合って板厚方向への離脱が規制され、前記両取付部を前記板厚方向に重ねて組み合わせるようにした端子金具であって、組み合わされた取付部の両対向面のうちの少なくとも一方には接点部が突出して形成され、他方には前記接点部と対応する位置に係合孔が貫通して形成されており、さらに、前記接点部は、その突出端側へ向かって縮径する斜面部を有し、前記接点部には、突出端面からスライド方向の前方へ向かって下り勾配となるように他面よりも緩く傾斜する案内面が形成され、この案内面によって前記両端子金具の組み付け動作が円滑に誘導され、前記接点部の前記斜面部がエッジ状に形成された前記係合孔の孔縁に対して周方向の全周に亘って食い込み可能に当接する構成としたところに特徴を有する。 As means for achieving the above object, the invention of claim 1 comprises a pair of terminal fittings each provided with a plate-like attachment portion, and slides along the plate surface of each other while overlapping both attachment portions. be to, the two mounting portions engaged with each other leaving in the thickness direction is restricted, the a terminal fitting in which the two mounting portions to combine overlapping the thickness direction, combined attachment unit A contact portion protrudes from at least one of the opposing surfaces, an engagement hole is formed through the other portion at a position corresponding to the contact portion, and the contact portion protrudes therefrom. The contact portion has a guide surface that is inclined more gently than the other surface so as to be inclined downward from the protruding end surface toward the front in the sliding direction. Both terminal fittings by the guide surface Assembling operation is smoothly induced, at which the inclined surface portion of the contact portion is configured to be capable of abutting bite over the entire circumference a circumferential direction with respect to the hole edge of the engagement hole formed in an edge shape Has characteristics.

請求項２の発明は、請求項１に記載のものにおいて、前記接点部と前記係合孔とがそれぞれの取付部に少なくとも一対形成され、前記係合孔は前記取付部において両端子金具を組み合わせる際のスライド方向の前方に配され、前記接点部は前記取付部において前記両端子金具を組み合わせる際のスライド方向の後方に配されているところに特徴を有する。 According to a second aspect of the invention, there is provided a connector described in claim 1, at least a pair formed with front SL contact portion with the engaging hole in each of the mounting portion, the coupling hole the terminal fittings in the mounting portion The contact portion is arranged in front of the sliding direction when combining, and the contact portion is arranged behind the sliding direction when combining the two terminal fittings in the attachment portion.

請求項３の発明は、請求項１または請求項２に記載のものにおいて、前記取付部には取付孔が開口しており、この取付孔に貫通させたボルト等の前記固着部材によって両端子金具が取付対象に固定されるものであって、前記接点部と前記係合孔とが前記取付部における前記取付孔の孔周りに互いに離間して二対形成されているところに特徴を有する。   According to a third aspect of the present invention, in the first or second aspect of the present invention, a mounting hole is opened in the mounting portion, and both terminal fittings are provided by the fixing member such as a bolt penetrating the mounting hole. Is fixed to an object to be attached, and the contact portion and the engagement hole are formed in two pairs apart from each other around the attachment hole in the attachment portion.

＜請求項１の発明＞
両取付部を板厚方向に重ね合わせると、接点部の斜面部が係合孔の孔縁に接触する。したがって、係合孔の孔縁に形成されたエッジによる斜面部への食い込みが期待できるから、両端子金具間の接圧を高めることができる。また、両端子金具間が板面に沿って位置ずれするのを防止できる。さらには、接点部の突出端側の一部が係合孔に嵌め入れられているから、その分だけ端子金具が浮き上がるのを抑制できる。 <Invention of Claim 1>
When both the attachment portions are overlapped in the plate thickness direction, the slope portion of the contact portion contacts the hole edge of the engagement hole. Therefore, since it can be expected that the edge formed at the hole edge of the engagement hole bites into the slope portion, the contact pressure between the two terminal fittings can be increased. Further, it is possible to prevent the position between the two terminal fittings from being displaced along the plate surface. Furthermore, since a part of the protruding end side of the contact portion is fitted in the engagement hole, it is possible to suppress the terminal fitting from being lifted accordingly.

＜請求項２の発明＞
係合孔が取付部において両端子金具を組み合わせる際のスライド方向の前方に配され、接点部が取付部において両端子金具を組み合わせる際のスライド方向の後方に配されているから、組み合わせ作業の終盤に至ってはじめて取付部と接点部とが干渉することになる。したがって、組み合わせ作業の終盤に至るまでの間、両端子金具のスライド動作の円滑性が保障される。 <Invention of Claim 2>
The engagement hole is arranged at the front in the sliding direction when combining both terminal fittings in the mounting part, and the contact part is arranged at the rear in the sliding direction when combining both terminal fittings in the mounting part. It is not until this time that the mounting portion and the contact portion interfere with each other. Therefore, the smoothness of the sliding operation of both terminal fittings is ensured until the final stage of the combination work.

＜請求項３の発明＞
接点部と係合孔とが取付部において取付孔の孔周りに互いに離間して二対形成されているから、両端子金具間の接圧が均等に分散されて接触信頼性のさらなる向上を図れる。 <Invention of Claim 3>
Since the contact portion and the engagement hole are formed in the attachment portion so as to be spaced apart from each other around the hole of the attachment hole, the contact pressure between the two terminal fittings is evenly distributed, and the contact reliability can be further improved. .

＜実施形態１＞
本発明の実施形態１を図１ないし図４によって説明する。本実施形態の組合せ端子金具は、互いに上下に重ね合わせた状態で組み付けられる一対の端子金具１０，３０から構成されている。両端子金具１０，３０は、いずれも所定形状に打ち抜いた導電性の金属板材を曲げ加工して形成される。 <Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. The combination terminal metal fitting of this embodiment is comprised from a pair of terminal metal fittings 10 and 30 assembled | attached in the state piled up mutually. Both terminal fittings 10 and 30 are formed by bending a conductive metal plate material punched into a predetermined shape.

このうち上側に組み付けられる端子金具（以下、上側端子１０と略称する）は、図１に示すように、板状で角部が丸みを帯びた略正方形の取付部１１と、この取付部１１の後端右縁から後方へ延出する電線接続部１２とからなる。電線接続部１２は、図示しない電線の端末芯線をかしめ付ける前側のワイヤバレル１２Ａと、電線の端末被覆をかしめ付ける後側のインシュレーションバレル１２Ｂとからなり、両者が左右一対ずつ上方へ立ち上げられて形成されている。取付部１１は、左右方向に長い前後一対の平板部１３と、この平板部１３の左端部同士を橋渡し状に連結する第一係合部１４と、両平板部１３の右端部同士を橋渡し状に連結する第二係合部１５とからなり、これらに囲まれた中央部分に、図示しないボルトを貫通させるための取付孔１６が開口して形成されている。両平板部１３は、ほぼ同じ高さ位置に揃えられている。   Among these, the terminal fitting (hereinafter abbreviated as the upper terminal 10) assembled on the upper side is a plate-like, substantially square mounting portion 11 with rounded corners, as shown in FIG. It consists of a wire connecting portion 12 extending rearward from the right edge of the rear end. The electric wire connecting portion 12 includes a front wire barrel 12A for caulking a terminal core wire of an electric wire (not shown) and a rear insulation barrel 12B for caulking the electric wire terminal coating. Is formed. The attachment portion 11 includes a pair of front and rear flat plate portions 13 that are long in the left-right direction, a first engagement portion 14 that connects the left end portions of the flat plate portion 13 in a bridging manner, and a bridging shape between the right end portions of both flat plate portions 13. And a mounting hole 16 for allowing a bolt (not shown) to pass therethrough is formed in a central portion surrounded by the second engaging portion 15. Both flat plate portions 13 are aligned at substantially the same height position.

第一係合部１４は、前後に長い平板状の第一受け板部１７を備え、その前後両端部が上方へ向けて曲げられて平板部１３の左端寄りに連結されており、第一受け板部１７が平板部１３に対して板厚略一枚分程度低くなるような段差状をなしている。また、第一受け板部１７には、その左端縁からタブ状の第一差込部１８が板面に沿って突出して形成されている。さらに、この第一差込部１８の前後端縁部と平板部１３の端縁部との間には、左右方向に延びて左方へ開放するスリット１９が形成されている。また、第一差込部１８の上面には、上方へ叩き出されかつ左方へ向かって下り勾配となる係止突部２１が形成されている。   The first engaging portion 14 includes a flat plate-shaped first receiving plate portion 17 that is long in the front and rear, and both front and rear end portions thereof are bent upward and connected to the left end of the flat plate portion 13. The plate portion 17 has a step shape that is lower than the flat plate portion 13 by about one plate thickness. Further, the first receiving plate portion 17 is formed with a tab-shaped first insertion portion 18 protruding from the left end edge along the plate surface. Further, a slit 19 that extends in the left-right direction and opens to the left is formed between the front and rear end edges of the first insertion part 18 and the end edge of the flat plate part 13. Further, a locking projection 21 is formed on the upper surface of the first insertion portion 18 so as to be struck upward and to have a downward slope toward the left.

また、第二係合部１５は、前後に長い略平板状の第二受け板部２２を備え、その前後両端部が上方へ向けて曲げられて平板部１３の右端に連結されており、第二受け板部２２が平板部１３に対して板厚略一枚分程度低くなるような段差状をなしている。また、第二受け板部２２には、その左端縁から平板状の第二差込部２３が板面に沿って突出して形成されている。さらに、この第二差込部２３の前後端縁部と平板部１３の端縁部との間には、左右方向に延びて左方へ開放するスリット２４が形成されている。また、第二受け板部２２には、長方形の係止孔２５が板厚方向に貫通して形成されており、第二差込部２３の上面にはその左端縁から係止孔２５に至るテーパ面２６が形成されている。   The second engagement portion 15 includes a substantially flat second receiving plate portion 22 that is long in the front-rear direction, and both front and rear end portions thereof are bent upward and connected to the right end of the flat plate portion 13. The two receiving plate portions 22 are stepped so as to be lower than the flat plate portion 13 by about one plate thickness. Further, the second receiving plate portion 22 is formed with a flat plate-like second insertion portion 23 protruding from the left end edge along the plate surface. Further, a slit 24 extending in the left-right direction and opened to the left is formed between the front and rear end edge portions of the second insertion portion 23 and the end edge portion of the flat plate portion 13. In addition, a rectangular locking hole 25 is formed in the second receiving plate portion 22 so as to penetrate in the plate thickness direction, and the upper surface of the second insertion portion 23 reaches the locking hole 25 from its left edge. A tapered surface 26 is formed.

一方、下側に組み付けられる端子金具（以下、下側端子３０と略称する）は、板状をなす取付部３１の後端縁左端部から電線接続部３２を延出させたものであり、電線接続部３２は、図示しない電線の端末芯線をかしめ付ける前側のワイヤバレル３２Ａと、電線の端末被覆をかしめ付ける後側のインシュレーションバレル３２Ｂとからなり、両者が左右一対づつ上方へ立ち上げられて形成されている。取付部３１は、前後一対の平板部３３と、この両平板部３３の右端部同士を連結する第一係合部３４と、両平板部３３の左端部同士を連結する第二係合部３５とを備え、中央に取付孔３６を有している。この二つの係合部３４，３５は、上側端子１０の係合部１４，１５を前後方向の軸を中心として１８０度回転させたものであり、両端子金具１０，３０の取付部１１，３１における取付孔１６，３６の孔周り構造は、前後方向の軸に関して概ね対称の関係となっている。   On the other hand, a terminal fitting (hereinafter abbreviated as a lower terminal 30) assembled on the lower side is an extension of the wire connecting portion 32 from the left end portion of the rear end edge of the mounting portion 31 having a plate shape. The connection portion 32 includes a front wire barrel 32A for crimping a terminal core wire of an electric wire (not shown) and a rear insulation barrel 32B for caulking the terminal sheath of the electric wire, and both are raised upward in pairs. Is formed. The attachment portion 31 includes a pair of front and rear flat plate portions 33, a first engagement portion 34 that connects the right end portions of both flat plate portions 33, and a second engagement portion 35 that connects the left end portions of both flat plate portions 33. And has a mounting hole 36 in the center. The two engaging portions 34 and 35 are obtained by rotating the engaging portions 14 and 15 of the upper terminal 10 by 180 degrees around the axis in the front-rear direction, and the attaching portions 11 and 31 of the both terminal fittings 10 and 30. The hole-hole structures of the mounting holes 16 and 36 are substantially symmetrical with respect to the longitudinal axis.

さて、両端子金具１０，３０には、その平板部１３，３３の左右両端寄りに、接点部４０及び係合孔４１が形成されている。このうち上側端子１０は、第一係合部１４を挟んだ上下二位置に、係合孔４１が板厚方向に貫通して形成され、第二係合部１５を挟んだ上下二位置に、接点部４０が下方へ叩き出されて形成されており、これら計二対の接点部４０及び係合孔４１が左右方向に沿った同一直線上に互いに離間して配置されている。一方、下側端子３０は、同じく、第一係合部３４を挟んだ上下二位置に、係合孔４１が板厚方向に貫通して形成され、第二係合部３５を挟んだ上下二位置に、接点部４０が上方へ叩き出されて形成されており、これら計二対の接点部４０及び係合孔４１が左右方向に沿った同一直線上に互いに離間して配置されている。つまり、両端子金具１０，３０を左右方向から重ねたときに、係合孔４１は取付部１１，３１においてそのスライド方向の前方（上側端子１０の場合は左方、下側端子３０の場合は右方）に配され、接点部４０は取付部１１，３１においてそのスライド方向の後方（上記と逆方向）に配されるようになっている。   The terminal fittings 10 and 30 are formed with contact portions 40 and engaging holes 41 near the left and right ends of the flat plate portions 13 and 33, respectively. Of these, the upper terminal 10 is formed at two upper and lower positions sandwiching the first engagement portion 14, with the engagement holes 41 penetrating in the plate thickness direction, and two upper and lower positions sandwiching the second engagement portion 15. The contact portion 40 is formed by knocking downward, and the two pairs of contact portions 40 and the engagement holes 41 are arranged apart from each other on the same straight line along the left-right direction. On the other hand, the lower terminal 30 is similarly formed in two upper and lower positions with the first engagement portion 34 interposed therebetween, with the engagement holes 41 penetrating in the plate thickness direction, with the second engagement portion 35 interposed therebetween. The contact portion 40 is knocked upward at a position, and the two pairs of contact portions 40 and the engagement holes 41 are arranged apart from each other on the same straight line along the left-right direction. That is, when both the terminal fittings 10 and 30 are overlapped from the left and right directions, the engagement hole 41 is forward in the sliding direction at the mounting portions 11 and 31 (leftward in the case of the upper terminal 10, and in the case of the lower terminal 30. The contact part 40 is arranged behind the sliding direction in the attachment parts 11 and 31 (in the opposite direction to the above).

接点部４０及び係合孔４１は、いずれも同形でかつ同サイズで構成され、接点部４０は左右方向に長く延出する縦断面台形状をなす一方、係合孔４１は左右方向に長く延出する長円形状をなしている。詳しくは接点部４０は、横断面長円形状をなし、図４に示すように、その突出端面４０Ｅの全周が角落としされることで突出端側へ向かって縮径する湾曲状の斜面部４０Ａを有している。また、接点部４０には、その突出端面４０Ｅからスライド方向の前方へ向かって下り勾配となるように他面より緩く傾斜する案内面４０Ｂが形成されている。この案内面４０Ｂによって両端子金具１０，３０の組み付け動作が誘導されるものである。   The contact portion 40 and the engagement hole 41 are both the same shape and the same size, and the contact portion 40 has a longitudinal section trapezoidal shape extending in the left-right direction, while the engagement hole 41 extends in the left-right direction. It has an elliptical shape. Specifically, the contact portion 40 has an elliptical cross section, and as shown in FIG. 4, a curved slope portion whose diameter decreases toward the protruding end side when the entire circumference of the protruding end surface 40E is dropped. 40A. Further, the contact portion 40 is formed with a guide surface 40B that is inclined more gently than the other surface so as to have a downward slope from the protruding end surface 40E toward the front in the sliding direction. The guide surface 40B guides the assembling operation of the two terminal fittings 10 and 30.

係合孔４１は、接点部４０の突出端面４０Ｅと概ね相似形をなし、接点部４０の突出端面４０Ｅの外径よりは大きいが接点部４０の基端部分の外径よりは小さい孔径をもって開口している。そして、係合孔４１の孔縁には取付部１１，３１を貫通するのに伴って形成されるエッジが立っている。接点部４０が係合孔４１に係合するときには、図４に示すように、接点部４０の突出端側の一部が係合孔４１内に入り込む一方、接点部４０の斜面部４０Ａが係合孔４１の孔縁に周方向に沿って線当たり状に接触するようになっている。   The engagement hole 41 is substantially similar to the protruding end surface 40E of the contact portion 40, and has an opening diameter that is larger than the outer diameter of the protruding end surface 40E of the contact portion 40 but smaller than the outer diameter of the proximal end portion of the contact portion 40. is doing. And the edge formed as it penetrates the attachment parts 11 and 31 stands in the hole edge of the engagement hole 41. As shown in FIG. When the contact portion 40 engages with the engagement hole 41, as shown in FIG. 4, a part of the protruding end side of the contact portion 40 enters the engagement hole 41, while the inclined portion 40A of the contact portion 40 is engaged. The hole 41 is in contact with the hole edge of the joint hole 41 along the circumferential direction.

次に、本実施形態の作用を説明する。まず、上側端子１０を下側端子３０の上面に重ねつつ両端子金具１０，３０の第一係合部１４，３４をそれぞれ相手側の取付孔１６，３６の内側に進入させる。この状態から上側端子１０を下側端子３０に対して左方向へ板面に沿ってスライドさせる。すると、上側端子１０の差込部１８，２３がそれぞれ下側端子３０の差込部１８，２３の下側に進入するとともに、各第一差込部１８の係止突部２１が相手側のテーパ面２６に乗り上げて、第一差込部１８が板厚方向に若干撓み変形する。両端子金具１０，３０をさらにスライドさせると、各差込部１８，２３がそれぞれ相手側の受け板部１７，２２に重なる位置まで差し込まれるとともに、各受け板部１７，２２の前後両端部が相手のスリット１９，２４に差し込まれる。スライド動作の終盤に至ると、接点部４０が相手側の平板部１３，３３に摺動することで、各平板部１３，３３が互いに相手側から僅かに離間して両端子金具１０，３０が反るようにして弾性的に変形する。   Next, the operation of this embodiment will be described. First, the first engagement portions 14 and 34 of both terminal fittings 10 and 30 are made to enter inside the counterpart mounting holes 16 and 36, respectively, while the upper terminal 10 is superimposed on the upper surface of the lower terminal 30. From this state, the upper terminal 10 is slid along the plate surface to the left with respect to the lower terminal 30. Then, the insertion parts 18 and 23 of the upper terminal 10 respectively enter the lower side of the insertion parts 18 and 23 of the lower terminal 30, and the locking protrusions 21 of the first insertion parts 18 are on the other side. The first insertion portion 18 is slightly bent and deformed in the plate thickness direction on the tapered surface 26. When the both terminal fittings 10 and 30 are further slid, the insertion portions 18 and 23 are inserted to the positions where they overlap the mating receiving plate portions 17 and 22, respectively, and the front and rear end portions of the receiving plate portions 17 and 22 are inserted. It is inserted into the other party's slits 19 and 24. When the final stage of the sliding operation is reached, the contact portion 40 slides on the mating flat plate portions 13 and 33, so that the flat plate portions 13 and 33 are slightly separated from the mating side and the two terminal fittings 10 and 30 are connected. It is elastically deformed by warping.

そして、両端子金具１０，３０が取付孔１６，３６同士が整合する正規の組み付け位置まで至ると、板厚方向に撓み変形していた第一差込部１８が復元するとともに、係止突部２１が相手側の係止孔２５に嵌合し、これにより両取付部１１，３１の離脱方向へのスライド動作が規制される。この正規の組み付け状態では、図２に示すように、両端子金具１０，３０における第一係合部１４，３４の第一差込部１８がそれぞれ相手側の第二係合部１５，３５の第二受け板部２２の反対側面に差し込まれ、その噛み合いによって両端子金具１０，３０の板厚方向への離脱が規制される。また、正規の組み付け状態では、接点部４０と係合孔４１とが凹凸状に嵌合することで両端子金具１０，３０の反り変形を相当程度解消できるとともに両端子金具１０，３０間で確実な電気的接続をとることができる。このとき、接点部４０の案内面４０Ｂに沿って相手側の取付部１１，３１が円滑に摺動案内される。また、接点部４０の斜面部４０Ａがエッジ状に形成された係合孔４１の孔縁に対して周方向の全周に亘って食い込み可能に当接することにより、両端子金具１０，３０間が強固に接続される。その後、組み付けられた両端子金具１０，３０は、ボルトを取付孔１６，３６に挿通させてねじ締めすることで自動車のボディ等の接地部材（図示せず）に取り付けられる。   When the terminal fittings 10 and 30 reach the proper assembly position where the mounting holes 16 and 36 are aligned with each other, the first insertion portion 18 which has been bent and deformed in the thickness direction is restored, and the locking projection 21 fits into the mating locking hole 25, thereby restricting the sliding movement of the mounting portions 11, 31 in the direction of detachment. In this regular assembly state, as shown in FIG. 2, the first insertion portions 18 of the first engagement portions 14 and 34 of the two terminal fittings 10 and 30 are respectively connected to the second engagement portions 15 and 35 of the mating side. It is inserted into the opposite side surface of the second receiving plate portion 22, and the disengagement of the both terminal fittings 10, 30 in the plate thickness direction is regulated by the meshing. Further, in a properly assembled state, the contact portion 40 and the engagement hole 41 are fitted in a concavo-convex shape so that the warp deformation of the both terminal fittings 10 and 30 can be substantially eliminated and the terminal fittings 10 and 30 can be reliably connected. Electrical connection can be made. At this time, the mating attachment portions 11 and 31 are smoothly slidably guided along the guide surface 40B of the contact portion 40. In addition, the inclined surface portion 40A of the contact portion 40 abuts on the edge of the engagement hole 41 formed in an edge shape so as to be able to bite over the entire circumference in the circumferential direction, so that the space between the two terminal fittings 10 and 30 is reduced. Connected firmly. Thereafter, the assembled terminal fittings 10 and 30 are attached to a grounding member (not shown) such as an automobile body by inserting bolts into the attachment holes 16 and 36 and tightening the screws.

このように本実施形態によれば、係合孔４１の孔縁に形成されたエッジが斜面部４０Ａに食い込み可能とされるから、両端子金具１０，３０間の接圧を高めることができる。また、両端子金具１０，３０間が板面に沿って位置ずれするのを防止できる。さらには、接点部４０の突出端側の一部が係合孔４１に嵌め入れられるから、端子金具の浮き上がり量を抑えることができる。   As described above, according to the present embodiment, the edge formed at the hole edge of the engagement hole 41 can bite into the inclined surface portion 40A, so that the contact pressure between the terminal fittings 10 and 30 can be increased. Moreover, it can prevent that the position between both the terminal metal fittings 10 and 30 shifts | deviates along a board surface. Furthermore, since a part of the protruding end side of the contact portion 40 is fitted into the engagement hole 41, the amount of lifting of the terminal fitting can be suppressed.

また、係合孔４１が取付部１１，３１において両端子金具１０，３０を組み合わせる際のスライド方向の前方に配され、接点部４０が取付部１１，３１において両端子金具１０，３０を組み合わせる際のスライド方向の後方に配されているから、組み合わせ作業の終盤に至るまでは、両端子金具１０，３０を円滑にスライドさせることができる。
さらに、接点部４０と係合孔４１とが取付部１１，３１において取付孔１６，３６の孔周りに互いに離間して二対形成されているから、両端子金具１０，３０間の接圧が取付部１１，３１において均等に分散されて接触信頼性のさらなる向上を図れる。 In addition, the engagement hole 41 is arranged forward in the sliding direction when the two terminal fittings 10 and 30 are combined in the attachment portions 11 and 31, and the contact portion 40 is combined in the both terminal fittings 10 and 30 in the attachment portions 11 and 31. The terminal fittings 10 and 30 can be smoothly slid until reaching the final stage of the combination work.
Furthermore, since the contact portion 40 and the engagement hole 41 are formed in two pairs in the attachment portions 11 and 31 so as to be spaced apart from each other around the attachment holes 16 and 36, the contact pressure between the terminal fittings 10 and 30 is reduced. Contact attachments 11 and 31 are evenly distributed to further improve contact reliability.

＜他の実施形態＞
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれ、さらに、下記以外にも要旨を逸脱しない範囲内で種々変更して実施することができる。
（１）上記実施形態では、いわゆるスライド式の組合せ端子金具であったが、本発明においては、各取付部の相対位置を、取付孔を中心として周方向にずらして位置決めするいわゆる回転式の組合せ端子金具にも適用できる。
（２）上記実施形態では、二枚の端子金具を組み合わせていたが、本発明においては、三枚以上の端子金具を組み付けることも可能である。
（３）上記実施形態では、二枚の端子金具のそれぞれに接点部及び係合孔が形成されていたが、本発明においては、二枚の端子金具のうちいずれか一方にのみ接点部が形成され、他方にのみ係合孔が形成されるものであってもよい。
（４）上記実施形態では、接点部の斜面部は湾曲状の斜面として構成されていたが、本発明において、接点部の斜面部は直線状の斜面として構成されていてもよい。
（５）本発明は、アース用の端子金具に限らず、他の用途に係る複数の端子金具を組み合わせる場合に広く適用することができる。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.
(1) In the above embodiment, a so-called sliding combination terminal fitting is used. However, in the present invention, a so-called rotary combination in which the relative position of each mounting portion is shifted in the circumferential direction around the mounting hole. It can also be applied to terminal fittings.
(2) In the above embodiment, two terminal fittings are combined. However, in the present invention, three or more terminal fittings can be assembled.
(3) In the above embodiment, the contact portion and the engagement hole are formed in each of the two terminal fittings. However, in the present invention, the contact portion is formed only in either one of the two terminal fittings. The engagement hole may be formed only on the other side.
(4) In the above embodiment, the slope portion of the contact portion is configured as a curved slope surface. However, in the present invention, the slope portion of the contact portion may be configured as a linear slope surface.
(5) The present invention is not limited to a grounding terminal fitting, and can be widely applied to a combination of a plurality of terminal fittings according to other applications.

本実施形態の組合せ端子金具の組み付け前の状態を示す平面図The top view which shows the state before the assembly | attachment of the combination terminal metal fitting of this embodiment. 組合せ端子金具の組み付け後の状態を示す平面図Plan view showing the assembled terminal fitting after assembly その側面図Its side view 接点部が係合孔に係合した状態を示す要部拡大断面図The principal part expanded sectional view which shows the state which the contact part engaged with the engagement hole

符号の説明Explanation of symbols

１０…上側に組み付けられる端子金具
１１，３１…取付部
１４，３４…第一係合部
１５，３５…第二係合部
１６，３６…取付孔
１８…第一差込部
２３…第二差込部
３０…下側に組み付けられる端子金具
４０…接点部
４１…係合孔 DESCRIPTION OF SYMBOLS 10 ... Terminal metal fitting assembled | attached on the upper side 11, 31 ... Attachment part 14, 34 ... 1st engagement part 15, 35 ... 2nd engagement part 16, 36 ... Attachment hole 18 ... 1st insertion part 23 ... 2nd difference Insertion part 30 ... Terminal fitting assembled on the lower side 40 ... Contact part 41 ... Engagement hole

Claims (3)

それぞれが板状の取付部を備えた一対の端子金具からなり、前記両取付部を重ねつつ互いの板面に沿ってスライドさせることで、前記両取付部が互いに噛み合って板厚方向への離脱が規制され、前記両取付部を前記板厚方向に重ねて組み合わせるようにした端子金具であって、
組み合わされた取付部の両対向面のうちの少なくとも一方には接点部が突出して形成され、他方には前記接点部と対応する位置に係合孔が貫通して形成されており、さらに、
前記接点部は、その突出端側へ向かって縮径する斜面部を有し、前記接点部には、突出端面からスライド方向の前方へ向かって下り勾配となるように他面よりも緩く傾斜する案内面が形成され、この案内面によって前記両端子金具の組み付け動作が円滑に誘導され、前記接点部の前記斜面部がエッジ状に形成された前記係合孔の孔縁に対して周方向の全周に亘って食い込み可能に当接することを特徴とする組合せ端子金具。 Each consists of a pair of terminal fittings provided with plate-like attachment portions, and by sliding the two attachment portions along each other's plate surface, the both attachment portions are engaged with each other and detached in the thickness direction. there is restricted, a terminal fitting that the two mounting portions to combine overlapping the thickness direction,
At least one of the opposing surfaces of the combined mounting portion is formed with a contact portion protruding therefrom, and the other is formed with an engagement hole penetrating at a position corresponding to the contact portion,
The contact portion has a slope portion that decreases in diameter toward the protruding end side, and the contact portion is inclined more gently than the other surface so as to descend downward from the protruding end surface toward the front in the sliding direction. A guide surface is formed, and the guide surface smoothly guides the assembling operation of the two terminal fittings, and the inclined surface portion of the contact portion is circumferentially formed with respect to the edge of the engagement hole formed in an edge shape. A combination terminal fitting that contacts the entire circumference so that it can bite in . 前記接点部と前記係合孔とがそれぞれの取付部に少なくとも一対形成され、前記係合孔は前記取付部において両端子金具を組み合わせる際のスライド方向の前方に配され、前記接点部は前記取付部において前記両端子金具を組み合わせる際のスライド方向の後方に配されていることを特徴とする請求項１に記載の組合せ端子金具。 At least a pair formed before Symbol the engaging hole and the respective mounting portion and the contact portion, said engaging hole is disposed in front of the slide direction when combining the two terminal fittings in the mounting portion, the contact portion is the The combination terminal fitting according to claim 1, wherein the combination terminal fitting is arranged behind the sliding direction when the two terminal fittings are combined in the mounting portion. 前記取付部には取付孔が開口しており、この取付孔に貫通させたボルト等の前記固着部材によって両端子金具が取付対象に固定されるものであって、
前記接点部と前記係合孔とが前記取付部における前記取付孔の孔周りに互いに離間して二対形成されていることを特徴とする請求項１または請求項２に記載の組合せ端子金具。 A mounting hole is opened in the mounting portion, and both terminal fittings are fixed to a mounting target by the fixing member such as a bolt penetrated through the mounting hole,
3. The combination terminal fitting according to claim 1, wherein the contact portion and the engagement hole are formed in two pairs separated from each other around the attachment hole in the attachment portion.
JP2005064013A 2005-03-08 2005-03-08 Combination terminal bracket Expired - Fee Related JP4470764B2 (en)

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