JP2017054847A - Reactor - Google Patents

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JP2017054847A
JP2017054847A JP2015175560A JP2015175560A JP2017054847A JP 2017054847 A JP2017054847 A JP 2017054847A JP 2015175560 A JP2015175560 A JP 2015175560A JP 2015175560 A JP2015175560 A JP 2015175560A JP 2017054847 A JP2017054847 A JP 2017054847A
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lead
bobbin
winding
coil
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JP6491065B2 (en
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宏之 宮内
Hiroyuki Miyauchi
宏之 宮内
壮史 岡田
Takeshi Okada
壮史 岡田
智志 伊藤
Tomoshi Ito
智志 伊藤
義一 神川
Giichi Kamikawa
義一 神川
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Toyota Industries Corp
Tokai Kogyo Co Ltd
Toyota Motor Corp
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Toyota Industries Corp
Tokai Kogyo Co Ltd
Toyota Motor Corp
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Abstract

PROBLEM TO BE SOLVED: To accurately secure length of a portion protruded from a hole of a bobbin of a lead part of a coil.SOLUTION: Edges 38a 38b to holes 36a, 36b in a flange part 34 of a bobbin body 31 are chamfered so as not to abut on bent parts 54a, 54a of coils 50a, 50b when lead parts 56a, 56b of the coils 50a, 50b are inserted into the holes 36a, 36b and wound parts 51a, 51b are attached to a cylindrical part of the bobbin body 31 so that end surfaces 52a, 52b of the wound parts 51a 51b of the coil 50a, 50b abut on the flange part 34.SELECTED DRAWING: Figure 3

Description

本発明は、リアクトルに関する。   The present invention relates to a reactor.

従来、リアクトルとして、磁性体の環状のコアに樹脂製のボビンを介して2つのコイルが巻回されたコイルアセンブリと、2つのコイルの外周面の一部を覆う樹脂カバーと、を備えるものが提案されている(例えば、特許文献1参照)。コアは、2つのU字型のコアパーツと、2つのコアパーツの間に配置される2つの直方体のブロックコアと、を有する。ボビンは、2つの筒状部が平行となるようにフランジ部によって連結されたボビン本体と、フランジパーツと、を有する。フランジ部には、2つのコイルのリード部を通す2つのリード用スリットが形成されている。コイルアセンブリは、コイルの螺旋状の巻回部がボビン本体の筒状部に装着されると共にコイルのリード部がリード用スリットに通され、フランジパーツが筒状部に取り付けられ、ブロックコアが筒状部内に配置され、コアパーツがその先端面がブロックコアに対向するように筒状部内に挿入されて、構成されている。   Conventionally, a reactor includes a coil assembly in which two coils are wound around an annular core of a magnetic material via a resin bobbin, and a resin cover that covers a part of the outer peripheral surface of the two coils. It has been proposed (see, for example, Patent Document 1). The core has two U-shaped core parts and two rectangular block cores arranged between the two core parts. The bobbin has a bobbin body connected by a flange portion so that two cylindrical portions are parallel to each other, and a flange part. Two lead slits through which the lead portions of the two coils pass are formed in the flange portion. In the coil assembly, the spiral winding portion of the coil is attached to the cylindrical portion of the bobbin main body, the lead portion of the coil is passed through the lead slit, the flange part is attached to the cylindrical portion, and the block core is cylindrical The core part is configured by being inserted into the cylindrical part so that the tip surface thereof faces the block core.

特開2015−130410号公報JP2015-130410A

上述のリアクトルのコイルのリード部は、巻回部の一端から延出して曲げ部を介して巻回部の軸方向に延びている。このため、コイルのリード部がリード用スリットに通されると共にコイルの巻回部がボビン本体の筒状部に装着されるときに、コイルの曲げ部がボビン本体のフランジ部におけるリード用スリットに対する縁部に当接すると、それによって、巻回部の端面とフランジ部との間に隙間ができてしまい、リード部のリード用スリットからの突出部分が短くなってしまうことがある。   The lead part of the coil of the reactor described above extends from one end of the winding part and extends in the axial direction of the winding part via the bending part. For this reason, when the coil lead portion is passed through the lead slit and the coil winding portion is attached to the cylindrical portion of the bobbin main body, the coil bending portion is in contact with the lead slit in the flange portion of the bobbin main body. When it abuts on the edge portion, a gap is formed between the end surface of the winding portion and the flange portion, and the protruding portion of the lead portion from the lead slit may be shortened.

本発明のリアクトルは、コイルのリード部のボビンの孔からの突出部分の長さを精度よく確保することを主目的とする。   The reactor of the present invention is mainly intended to ensure the length of the protruding portion of the coil lead portion from the bobbin hole with high accuracy.

本発明のリアクトルは、上述の主目的を達成するために以下の手段を採った。   The reactor of the present invention has taken the following means in order to achieve the main object described above.

本発明のリアクトルは、
コアにボビンを介してコイルが巻回されたコイルアセンブリと、前記コイルアセンブリを覆う樹脂モールド部と、を備えるリアクトルであって、
前記コイルは、巻回部と、前記巻回部の一端から延出して曲げ部を介して前記巻回部の軸方向に延びるリード部と、を有し、
前記ボビンは、前記巻回部が装着される筒状部と、前記筒状部の一端側に形成されるフランジ部と、前記フランジ部に形成されると共に前記リード部が挿通される孔と、を有し、
前記フランジ部における前記孔に対する縁部は、面取りされており、前記リード部が前記孔に挿通されると共に前記巻回部の端面が前記フランジ部に当接する、
ことを特徴とする。
The reactor of the present invention is
A reactor comprising a coil assembly in which a coil is wound around a core via a bobbin, and a resin mold part covering the coil assembly,
The coil includes a winding part, and a lead part extending from one end of the winding part and extending in the axial direction of the winding part via a bending part,
The bobbin has a cylindrical part to which the winding part is mounted, a flange part formed on one end side of the cylindrical part, a hole formed in the flange part and through which the lead part is inserted, Have
An edge portion of the flange portion with respect to the hole is chamfered, the lead portion is inserted into the hole, and an end surface of the winding portion is in contact with the flange portion.
It is characterized by that.

この本発明のリアクトルでは、ボビンのフランジ部における孔に対する縁部は、面取りされており、コイルのリード部が孔に挿通されると共にコイルの巻回部の端面がフランジ部に当接する。言い換えれば、ボビンのフランジ部における孔に対する縁部は、コイルのリード部が孔に挿通されると共にコイルの巻回部の端面がボビンのフランジ部に当接するように巻回部がボビンの筒状部に装着されるときにコイルの曲げ部と当接しないように面取りされているのである。これにより、コイルの巻回部の端面とボビンのフランジ部とを当接させる(両者の間に隙間ができないようにする)ことができ、コイルのリード部の孔からの突出部分の長さを精度よく確保することができる。   In the reactor of the present invention, the edge portion of the bobbin flange portion with respect to the hole is chamfered, the lead portion of the coil is inserted into the hole, and the end surface of the coil winding portion abuts on the flange portion. In other words, the edge of the bobbin flange portion with respect to the hole is a cylindrical shape of the bobbin so that the coil lead portion is inserted into the hole and the end surface of the coil winding portion is in contact with the flange portion of the bobbin. It is chamfered so as not to come into contact with the bent part of the coil when it is mounted on the part. As a result, the end surface of the coil winding portion and the flange portion of the bobbin can be brought into contact (so that there is no gap between them), and the length of the protruding portion from the hole of the coil lead portion can be reduced. It can be ensured with high accuracy.

本発明の一実施例としてのリアクトル20の斜視図である。It is a perspective view of reactor 20 as one example of the present invention. リアクトル20の分解斜視図である。2 is an exploded perspective view of a reactor 20. FIG. ボビン本体31のフランジ部34の孔36a,36b周辺の断面図である。4 is a cross-sectional view around the holes 36a and 36b of the flange portion 34 of the bobbin main body 31. FIG.

次に、本発明を実施するための形態を実施例を用いて説明する。   Next, the form for implementing this invention is demonstrated using an Example.

図1は、本発明の一実施例としてのリアクトル20の斜視図であり、図2は、リアクトル20の分解斜視図である。また、図2では、樹脂モールド部60については図示を省略した。リアクトル20は、バッテリからの電力をモータに電圧の昇圧を伴って供給する昇圧コンバータの一部などとして構成され、磁性体のコア24に樹脂製のボビン30を介してコイル50a,50bが巻回されたコイルアセンブリ22(図2参照)と、コイルアセンブリ22の大部分を覆う樹脂モールド部60(図1参照)と、を備える。   FIG. 1 is a perspective view of a reactor 20 as an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the reactor 20. In FIG. 2, the resin mold part 60 is not shown. The reactor 20 is configured as a part of a boost converter that supplies electric power from a battery to a motor with voltage boost, and coils 50a and 50b are wound around a magnetic core 24 via a resin bobbin 30. And the resin mold part 60 (see FIG. 1) that covers most of the coil assembly 22.

コア24は、U字状の2つのコアパーツ26a,26bと、直方体状の2つのギャップ部材28a,28bと、を有する。コア24は、コアパーツ26a,26bがギャップ部材28a,28bを介して互いの先端面が対向するように配置されることにより、環状に構成される。   The core 24 includes two U-shaped core parts 26a and 26b and two rectangular parallelepiped gap members 28a and 28b. The core 24 is configured in an annular shape by arranging the core parts 26a and 26b so that the front end surfaces thereof face each other via the gap members 28a and 28b.

コイル50a,50bは、1本の平角線に曲げ加工(エッジワイズ曲げ加工)が施されて、互いに巻回方向が同一となり且つ平行に並ぶように形成されている。このコイル50a,50bは、螺旋状の巻回部51a,51bと、巻回部51a,51bの一端から延出して曲げ部54a,54bを介して巻回部51a,51bの軸方向(巻回方向に対して直交する方向)に延びるリード部56a,56bと、を有する。実施例では、曲げ部54a,54bは、所定のアールとなるように形成されている。   The coils 50a and 50b are formed so that one rectangular wire is bent (edgewise bending) so that the winding directions are the same and are arranged in parallel. The coils 50a and 50b extend from one end of the spiral winding portions 51a and 51b and the winding portions 51a and 51b, and the winding portions 51a and 51b pass through the bending portions 54a and 54b in the axial direction (winding). Lead portions 56a and 56b extending in a direction orthogonal to the direction). In the embodiment, the bent portions 54a and 54b are formed to have a predetermined radius.

ボビン30は、ボビン本体31と、フランジパーツ40と、を有する。ボビン本体31は、2つの筒状の筒状部32a,32bと、筒状部32a,32bの一端側に形成されて筒状部32a,32aが平行に並ぶようにこれらを連結するフランジ部34と、を有する。筒状部32a,32bの内側には、上述のギャップ部材28a,28bが配置されると共にコアパーツ26a,26bの端部が挿入される。また、筒状部32a,32bには、コイル50a,50bの巻回部51a,51bが装着される。フランジ部34の図2中下部のうち左右方向の中央には、筒状部32a,32bと同一方向に伸びるように梁35が形成されている。フランジ部34の図2中上部には、コイル50a,50bのリード部56a,56bが挿通される孔36a,36bが形成されている。   The bobbin 30 includes a bobbin main body 31 and a flange part 40. The bobbin main body 31 includes two cylindrical portions 32a and 32b and a flange portion 34 that is formed on one end side of the cylindrical portions 32a and 32b and connects the cylindrical portions 32a and 32a so that the cylindrical portions 32a and 32a are arranged in parallel. And having. The above-mentioned gap members 28a and 28b are disposed inside the cylindrical portions 32a and 32b, and the end portions of the core parts 26a and 26b are inserted therein. Moreover, the winding parts 51a and 51b of the coils 50a and 50b are attached to the cylindrical parts 32a and 32b. A beam 35 is formed at the center of the lower portion in FIG. 2 of the flange portion 34 in the left-right direction so as to extend in the same direction as the cylindrical portions 32a and 32b. In the upper part of the flange portion 34 in FIG. 2, holes 36a and 36b through which the lead portions 56a and 56b of the coils 50a and 50b are inserted are formed.

図3は、ボビン本体31のフランジ部34の孔36a,36b周辺の断面図である。図3では、コイル50a,50bの一部も図示した。図示するように、ボビン本体31のフランジ部34における孔36a,36bに対する図3中左側の縁部38a,38bは、面取りされている。この縁部38a,38bは、コイル50a,50bのリード部56a,56bが孔36a,36bに挿通されると共にコイル50a,50bの巻回部51a,51bの軸方向の一方側(図3中下側)の端面52a,52bがフランジ部34に当接するように巻回部51a,51bが筒状部32a,32bに装着されるときに曲げ部54a,54bと当接しないように面取りされている。例えば、縁部38a,38bは、コイル50a,50bの曲げ部54a,54bの曲率半径が3mm程度のときに、図3中上向きに対して50度程度左側に傾斜するように面取りされている。   FIG. 3 is a sectional view around the holes 36 a and 36 b of the flange portion 34 of the bobbin main body 31. FIG. 3 also shows a part of the coils 50a and 50b. As shown in the drawing, the left edge portions 38a and 38b in FIG. 3 with respect to the holes 36a and 36b in the flange portion 34 of the bobbin main body 31 are chamfered. The edge portions 38a and 38b are formed such that the lead portions 56a and 56b of the coils 50a and 50b are inserted into the holes 36a and 36b, and one side in the axial direction of the winding portions 51a and 51b of the coils 50a and 50b (lower in FIG. 3). The winding portions 51a and 51b are chamfered so as not to come into contact with the bent portions 54a and 54b when the winding portions 51a and 51b are attached to the cylindrical portions 32a and 32b so that the end faces 52a and 52b on the side) come into contact with the flange portion 34. . For example, the edges 38a and 38b are chamfered so as to be inclined to the left by about 50 degrees with respect to the upward direction in FIG. 3 when the radii of curvature of the bent portions 54a and 54b of the coils 50a and 50b are about 3 mm.

フランジパーツ40には、筒状部32a,32bが挿通される孔41a,41bと、梁35が挿通されるスリット42と、が形成されている(図2参照)。   The flange part 40 is formed with holes 41a and 41b through which the cylindrical portions 32a and 32b are inserted, and a slit 42 through which the beam 35 is inserted (see FIG. 2).

次に、リアクトル20の製造について説明する。まず、コイル50a,50bのリード部56a,56bをボビン本体31の孔36a,36bに挿通させながらコイル50a,50bの巻回部51a,51bをボビン本体31の筒状部32a,32bに装着する。実施例では、ボビン本体31のフランジ部34における孔36a,36bに対する縁部38a,38bが上述のように面取りされているから、コイル50a,50bの曲げ部54a,54bとフランジ部34に対する縁部38a,38bとが当接しないようにして、コイル50a,50bの端面52a,52bをフランジ部34に当接させることができ、リード部56a,56bの孔36a,36bからの突出部分の長さを精度よく確保することができる。続いて、ボビン本体31のフランジ部34とフランジパーツ40とがコイル50a,50bを介して対向するようにフランジパーツ40の孔41a,41bと孔42とにボビン本体31の筒状部32a,32bと梁35とを挿通させて、フランジパーツ40をボビン本体31に取り付ける。そして、筒状部32a,32b内でコアパーツ26a,26bの先端面がギャップ部材28a,28bを介して対向するようにコアパーツ26a,26bおよびギャップ部材28a,28bを配置する。このようにしてコイルアセンブリ22を製造する。そして、コイルアセンブリ22を成形型に収容し、成形型の注入孔から樹脂を注入して樹脂モールド部60を形成し、リアクトル20を完成する。リード部56a,56bの孔36a,36bからの突出部分の長さを精度よく確保した状態で樹脂モールド部60を形成することにより、リアクトル20の完成時において、リード部56a,56bの孔36a,36bからの突出部分の長さを精度よく確保することができる。   Next, manufacture of the reactor 20 is demonstrated. First, the winding portions 51a and 51b of the coils 50a and 50b are attached to the cylindrical portions 32a and 32b of the bobbin body 31 while the lead portions 56a and 56b of the coils 50a and 50b are inserted into the holes 36a and 36b of the bobbin body 31. . In the embodiment, since the edge portions 38a and 38b for the holes 36a and 36b in the flange portion 34 of the bobbin main body 31 are chamfered as described above, the bent portions 54a and 54b of the coils 50a and 50b and the edge portions for the flange portion 34 are used. The end surfaces 52a and 52b of the coils 50a and 50b can be brought into contact with the flange portion 34 so that they do not come into contact with 38a and 38b, and the lengths of the protruding portions from the holes 36a and 36b of the lead portions 56a and 56b Can be ensured with high accuracy. Subsequently, the cylindrical portions 32a and 32b of the bobbin main body 31 are formed in the holes 41a and 41b and the hole 42 of the flange part 40 so that the flange portion 34 of the bobbin main body 31 and the flange part 40 face each other through the coils 50a and 50b. Then, the flange part 40 is attached to the bobbin main body 31. Then, the core parts 26a, 26b and the gap members 28a, 28b are arranged so that the tip surfaces of the core parts 26a, 26b are opposed to each other through the gap members 28a, 28b in the cylindrical portions 32a, 32b. In this way, the coil assembly 22 is manufactured. And the coil assembly 22 is accommodated in a shaping | molding die, resin is inject | poured from the injection hole of a shaping | molding die, the resin mold part 60 is formed, and the reactor 20 is completed. By forming the resin mold part 60 in a state in which the lengths of the protruding parts from the holes 36a and 36b of the lead parts 56a and 56b are ensured with high accuracy, the holes 36a and 56b of the lead parts 56a and 56b are formed when the reactor 20 is completed. The length of the protruding portion from 36b can be ensured with high accuracy.

ここで、縁部38a,38bの面取りの角度(図3中上向きに対して左側に傾斜する角度)を、コイル50a,50bの曲げ部54a,54bの曲率半径が3mm程度のときに50度程度とした理由について説明する。縁部38a,38bの面取りの角度を比較的小さく(例えば20度〜30度程度など)すると、面取り部分が図3中下側に長くなることになり、樹脂モールド部60の形成時に、孔36a,36bを通って樹脂が外部(図3中下側)に漏れやすくなってしまう。また、縁部38a,38bの面取りの角度を比較的大きく(例えば、70度〜80度程度など)すると、面取り部分が図3中左側に長くなることになり、コイル50a,50bの端面52a,52bとフランジ部34との当接面積が小さくなってしまう。これらの理由によって、実施例では、コイル50a,50bの曲げ部54a,54bの曲率半径が3mm程度のときに縁部38a,38bの面取りの角度を50度程度とした。なお、縁部38a,38bの面取りの角度は、曲げ部54a,54bの曲率半径などに応じて適宜設定される。   Here, the angle of chamfering of the edges 38a and 38b (the angle inclined to the left with respect to the upward direction in FIG. 3) is about 50 degrees when the bending radii of the bent portions 54a and 54b of the coils 50a and 50b are about 3 mm. The reason for this will be explained. When the chamfering angles of the edges 38a and 38b are relatively small (for example, about 20 to 30 degrees), the chamfered portion becomes longer in the lower side in FIG. 3, and the hole 36a is formed when the resin mold portion 60 is formed. , 36b, the resin tends to leak to the outside (lower side in FIG. 3). Further, when the chamfering angles of the edges 38a and 38b are relatively large (for example, about 70 to 80 degrees), the chamfered portion becomes longer on the left side in FIG. 3, and the end faces 52a and 52b of the coils 50a and 50b The contact area between 52b and the flange portion 34 becomes small. For these reasons, in the embodiment, when the curvature radii of the bent portions 54a and 54b of the coils 50a and 50b are about 3 mm, the chamfering angles of the edges 38a and 38b are set to about 50 degrees. The chamfering angles of the edge portions 38a and 38b are appropriately set according to the radius of curvature of the bent portions 54a and 54b.

以上説明した実施例のリアクトル20では、ボビン本体31のフランジ部34における孔36a,36bに対する縁部38a,38bは、面取りされており、コイル50a,50bのリード部56a,56bが孔に挿通されると共にコイル50a,50bの巻回部51a,51bの端面52a,52bがフランジ部34に当接する。言い換えれば、ボビン本体31のフランジ部34における孔36a,36bに対する縁部38a,38bは、コイル50a,50bのリード部56a,56bが孔36a,36bに挿通されると共にコイル50a,50bの巻回部51a,51bの端面52a,52bがフランジ部34に当接するように巻回部51a,51bが筒状部32a,32bに装着されるときにコイル50a,50bの曲げ部54a,54bと当接しないように面取りされているのである。これにより、コイル50a,50bの巻回部51a,51bの端面52a,52bとボビン本体31のフランジ部34とを当接させる(両者の間に隙間ができないようにする)ことができ、コイル50a,50bのリード部56a,56bの孔36a,36bからの突出部分の長さを精度よく確保することができる。   In the reactor 20 of the embodiment described above, the edges 38a and 38b of the flange portion 34 of the bobbin body 31 with respect to the holes 36a and 36b are chamfered, and the lead portions 56a and 56b of the coils 50a and 50b are inserted into the holes. At the same time, the end surfaces 52a and 52b of the winding portions 51a and 51b of the coils 50a and 50b abut against the flange portion 34. In other words, the edge portions 38a and 38b of the flange portion 34 of the bobbin main body 31 with respect to the holes 36a and 36b are inserted into the holes 36a and 36b of the lead portions 56a and 56b of the coils 50a and 50b, and the coils 50a and 50b are wound. When the winding portions 51a and 51b are attached to the cylindrical portions 32a and 32b so that the end faces 52a and 52b of the portions 51a and 51b are in contact with the flange portion 34, they are in contact with the bent portions 54a and 54b of the coils 50a and 50b. It is chamfered so as not to. As a result, the end faces 52a and 52b of the winding portions 51a and 51b of the coils 50a and 50b and the flange portion 34 of the bobbin main body 31 can be brought into contact with each other (so that no gap is formed between them), and the coil 50a. , 50b lead portions 56a, 56b, the length of the protruding portion from the holes 36a, 36b can be ensured with high accuracy.

実施例の主要な要素と課題を解決するための手段の欄に記載した発明の主要な要素との対応関係について説明する。実施例では、コア24が「コア」に相当し、コイル50a,50bが「コイル」に相当し、コイルアセンブリ22が「コイルアセンブリ」に相当し、樹脂モールド部60が「樹脂モールド部」に相当する。   The correspondence between the main elements of the embodiment and the main elements of the invention described in the column of means for solving the problems will be described. In the embodiment, the core 24 corresponds to a “core”, the coils 50 a and 50 b correspond to a “coil”, the coil assembly 22 corresponds to a “coil assembly”, and the resin mold portion 60 corresponds to a “resin mold portion”. To do.

なお、実施例の主要な要素と課題を解決するための手段の欄に記載した発明の主要な要素との対応関係は、実施例が課題を解決するための手段の欄に記載した発明を実施するための形態を具体的に説明するための一例であることから、課題を解決するための手段の欄に記載した発明の要素を限定するものではない。即ち、課題を解決するための手段の欄に記載した発明についての解釈はその欄の記載に基づいて行なわれるべきものであり、実施例は課題を解決するための手段の欄に記載した発明の具体的な一例に過ぎないものである。   The correspondence between the main elements of the embodiment and the main elements of the invention described in the column of means for solving the problem is the same as that of the embodiment described in the column of means for solving the problem. Therefore, the elements of the invention described in the column of means for solving the problems are not limited. That is, the interpretation of the invention described in the column of means for solving the problems should be made based on the description of the column, and the examples are those of the invention described in the column of means for solving the problems. It is only a specific example.

以上、本発明を実施するための形態について実施例を用いて説明したが、本発明はこうした実施例に何等限定されるものではなく、本発明の要旨を逸脱しない範囲内において、種々なる形態で実施し得ることは勿論である。   As mentioned above, although the form for implementing this invention was demonstrated using the Example, this invention is not limited at all to such an Example, In the range which does not deviate from the summary of this invention, it is with various forms. Of course, it can be implemented.

本発明は、リアクトルの製造産業などに利用可能である。   The present invention can be used in the reactor manufacturing industry and the like.

20 リアクトル、22 コイルアセンブリ、24 コア、26a,26b コアパーツ、28a,28b ギャップ部材、30 ボビン、31 ボビン本体、32a,32b 筒状部、34フランジ部、35 梁、36a,36b 孔、38a,38b 縁部、40 フランジパーツ、41a,41b 孔、42 スリット、50a,50b コイル、51a,51b 巻回部、52a,52b 端面、54a,54b 曲げ部、56a,56b リード部、60 樹脂モールド部。   20 reactors, 22 coil assemblies, 24 cores, 26a, 26b core parts, 28a, 28b gap members, 30 bobbins, 31 bobbin bodies, 32a, 32b cylindrical parts, 34 flange parts, 35 beams, 36a, 36b holes, 38a, 38b edge part, 40 flange parts, 41a, 41b hole, 42 slit, 50a, 50b coil, 51a, 51b winding part, 52a, 52b end face, 54a, 54b bent part, 56a, 56b lead part, 60 resin mold part.

Claims (1)

コアにボビンを介してコイルが巻回されたコイルアセンブリと、前記コイルアセンブリを覆う樹脂モールド部と、を備えるリアクトルであって、
前記コイルは、巻回部と、前記巻回部の一端から延出して曲げ部を介して前記巻回部の軸方向に延びるリード部と、を有し、
前記ボビンは、前記巻回部が装着される筒状部と、前記筒状部の一端側に形成されるフランジ部と、前記フランジ部に形成されると共に前記リード部が挿通される孔と、を有し、
前記フランジ部における前記孔に対する縁部は、面取りされており、前記リード部が前記孔に挿通されると共に前記巻回部の端面が前記フランジ部に当接することを特徴とするリアクトル。
A reactor comprising a coil assembly in which a coil is wound around a core via a bobbin, and a resin mold part covering the coil assembly,
The coil includes a winding part, and a lead part extending from one end of the winding part and extending in the axial direction of the winding part via a bending part,
The bobbin has a cylindrical part to which the winding part is mounted, a flange part formed on one end side of the cylindrical part, a hole formed in the flange part and through which the lead part is inserted, Have
An edge portion of the flange portion with respect to the hole is chamfered, the lead portion is inserted into the hole, and an end surface of the winding portion is in contact with the flange portion.
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Citations (8)

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Publication number Priority date Publication date Assignee Title
JPH0566935U (en) * 1992-02-13 1993-09-03 日本電産株式会社 Reel for transformer
JP2007103596A (en) * 2005-10-03 2007-04-19 Tokyo Parts Ind Co Ltd Winding-chip common mode choke coil
JP2009246220A (en) * 2008-03-31 2009-10-22 Sumitomo Electric Ind Ltd Reactor, and bobbin for reactor
JP2010166013A (en) * 2008-12-16 2010-07-29 Sumitomo Electric Ind Ltd Reactor
WO2013065183A1 (en) * 2011-11-04 2013-05-10 トヨタ自動車株式会社 Reactor and production method thereof
JP2014027090A (en) * 2012-07-26 2014-02-06 Keihin Corp Reactor device
JP2014154564A (en) * 2013-02-04 2014-08-25 Toyota Motor Corp Reactor
JP2014192516A (en) * 2013-03-28 2014-10-06 Toyota Motor Corp Reactor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566935U (en) * 1992-02-13 1993-09-03 日本電産株式会社 Reel for transformer
JP2007103596A (en) * 2005-10-03 2007-04-19 Tokyo Parts Ind Co Ltd Winding-chip common mode choke coil
JP2009246220A (en) * 2008-03-31 2009-10-22 Sumitomo Electric Ind Ltd Reactor, and bobbin for reactor
JP2010166013A (en) * 2008-12-16 2010-07-29 Sumitomo Electric Ind Ltd Reactor
WO2013065183A1 (en) * 2011-11-04 2013-05-10 トヨタ自動車株式会社 Reactor and production method thereof
JP2014027090A (en) * 2012-07-26 2014-02-06 Keihin Corp Reactor device
JP2014154564A (en) * 2013-02-04 2014-08-25 Toyota Motor Corp Reactor
JP2014192516A (en) * 2013-03-28 2014-10-06 Toyota Motor Corp Reactor

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