JP2000150244A - Choke coil - Google Patents

Choke coil

Info

Publication number
JP2000150244A
JP2000150244A JP10317203A JP31720398A JP2000150244A JP 2000150244 A JP2000150244 A JP 2000150244A JP 10317203 A JP10317203 A JP 10317203A JP 31720398 A JP31720398 A JP 31720398A JP 2000150244 A JP2000150244 A JP 2000150244A
Authority
JP
Japan
Prior art keywords
core
terminal
choke coil
coil
winding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10317203A
Other languages
Japanese (ja)
Other versions
JP3202200B2 (en
Inventor
Masaru Suganuma
勝 菅沼
Hideyuki Sato
秀行 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyo Coil Engineering Co Ltd
Original Assignee
Tokyo Coil Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokyo Coil Engineering Co Ltd filed Critical Tokyo Coil Engineering Co Ltd
Priority to JP31720398A priority Critical patent/JP3202200B2/en
Priority to TW88101401A priority patent/TW412761B/en
Publication of JP2000150244A publication Critical patent/JP2000150244A/en
Application granted granted Critical
Publication of JP3202200B2 publication Critical patent/JP3202200B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a choke coil with no possibility of damages to or drop of a terminal, for simplifying a terminal mounting constitution, and for simplifying the whole assembly work. SOLUTION: This chock coil is provided with a ring core 1, having a round hole on whose upper edge part a notch 11 is formed, and a cylindrical coil 30 constituted by winding a coil around a coil core part 22 of a drum core 2, and a tube 6 made of insulating materials, and a U-shaped terminal 4 formed of a bent terminal part 40, rising part 43, and bending restraining part 44. Also, the cylindrical coil 30 is fit through the tube 6 made of insulating materials into the round hole of the ring core 1, and the U-shaped terminal 4 is engaged elastically with the notch 11 and the lower edge of the ring core 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、チョークコイル
に関し、特に、端子の破損脱落する恐れはなく、端子取
り付けの構成は簡素化され、全体の組み立て作業を容易
するチョークコイルに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a choke coil, and more particularly, to a choke coil which does not cause the terminals to be damaged or falls off, has a simplified terminal mounting structure, and facilitates the entire assembling operation.

【0002】[0002]

【従来の技術】SMDチョークコイルの従来例を図4お
よび図5を参照して説明する。図4(a)はSMDチョ
ークコイルの斜視図であり、図4(b)は図4(a)に
おける線b−b’に沿った断面を示す図である。図5は
図4のSMDチョークコイルの分解斜視図である。
2. Description of the Related Art A conventional example of an SMD choke coil will be described with reference to FIGS. FIG. 4A is a perspective view of the SMD choke coil, and FIG. 4B is a view showing a cross section taken along line bb ′ in FIG. 4A. FIG. 5 is an exploded perspective view of the SMD choke coil of FIG.

【0003】図4および図5において、1はリングコ
ア、2はドラムコア、3は捲線、4は端子を示す。これ
らリングコア1およびドラムコア2は電気絶縁性材料で
あるフェライトにより構成される。リングコア1の側面
はその一部に互いに対向する一対の平面部12が形成さ
れている。互いに対向して一対の平面部12に隣接する
円弧面部13は、その下端部に切り欠き11が形成され
ている。
In FIGS. 4 and 5, 1 is a ring core, 2 is a drum core, 3 is a winding, and 4 is a terminal. These ring core 1 and drum core 2 are made of ferrite which is an electrically insulating material. A pair of flat portions 12 facing each other is formed on a part of the side surface of the ring core 1. A notch 11 is formed at the lower end of the arcuate surface portion 13 which is opposed to the pair of flat surface portions 12 and is adjacent to the pair of flat surface portions 12.

【0004】ドラムコア2は一対の鍔部21と、両鍔部
21と一体に結合して両者を連結する捲芯部22より成
る。この両鍔部21はその一部に互いに対向する一対の
平坦部211が形成されている。ドラムコア2の捲芯部
22に捲線3が捲回されてコイル30が形成される。端
子4はその中央部に端子コア固定部41として切り起こ
し片が形成されている。そして、この端子4の一方の端
部は先端を端子本体はら同一平面において少し屈曲して
カラゲ半田部42とされると共に、他方の端部は直角に
屈曲せしめて立ち上がり部43とされている。
The drum core 2 includes a pair of flanges 21 and a winding core 22 which is integrally connected to the two flanges 21 to connect the two. A pair of flat portions 211 facing each other is formed in a part of the both flange portions 21. The coil 3 is wound around the core portion 22 of the drum core 2 to form the coil 30. The terminal 4 has a cut-and-raised piece formed as a terminal core fixing portion 41 in the center thereof. One end of the terminal 4 is slightly bent in the same plane from the terminal body to form a caraque solder portion 42, and the other end is bent at a right angle to form a rising portion 43.

【0005】以上のリングコア1、ドラムコア2、捲線
3、端子4を製造して準備する。ここで、図5(b)を
参照するに、端子4をドラムコア2の一方の鍔部21の
表面に端子コア固定部41を介してエポキシ樹脂系接着
剤により接合固定する。この場合、端子4の立ち上がり
部43をドラムコア2の両鍔部21の平坦部211に対
向させて互いに平行に接合固定する。次いで、図5
(c)を参照するに、図5(b)の如くに構成されたド
ラムコア2の捲芯部22に捲線3を捲回する。そして、
捲線3の両捲線端部を端子4のカラゲ半田部42にカラ
ゲ付ける。端子4のカラゲ半田部42に捲線3の捲線端
部をカラゲ付けた状態において、カラゲ半田部42にリ
フロー半田付けを施して端子4と捲線3とを電気機械的
に完全に接続する。
The above-described ring core 1, drum core 2, winding 3, and terminal 4 are manufactured and prepared. Here, referring to FIG. 5B, the terminal 4 is bonded and fixed to the surface of the one flange portion 21 of the drum core 2 via the terminal core fixing portion 41 with an epoxy resin adhesive. In this case, the rising portions 43 of the terminals 4 are opposed to the flat portions 211 of the both flange portions 21 of the drum core 2 and are jointed and fixed in parallel with each other. Then, FIG.
Referring to FIG. 5C, the winding 3 is wound around the core 22 of the drum core 2 configured as shown in FIG. 5B. And
The ends of both windings of the winding 3 are lumped to the lump solder portion 42 of the terminal 4. In a state where the winding ends of the windings 3 are lumped to the lump solder portion 42 of the terminal 4, reflow soldering is performed on the lump solder portion 42 to completely electrically and mechanically connect the terminal 4 and the winding 3.

【0006】以上の通りに組み立てられたドラムコア
2、捲線3、端子4に対してリングコア1を嵌合する。
リングコア1を嵌合するに際して、リングコア1の円弧
面部13下端の切り欠き11をカラゲ半田部42に対向
させると共に、平面部12下端を端子4の立ち上がり部
43に対応させて互いに平行にして嵌合する。端子4の
カラゲ半田部42は半田付け後に屈曲せしめられるが、
切り欠き11はこの屈曲せしめられたカラゲ半田部42
を収容領域を構成する。
[0006] The ring core 1 is fitted to the drum core 2, the windings 3, and the terminals 4 assembled as described above.
When fitting the ring core 1, the notch 11 at the lower end of the arcuate surface portion 13 of the ring core 1 is opposed to the carrage solder portion 42, and the lower end of the flat portion 12 is parallel to each other so as to correspond to the rising portion 43 of the terminal 4. I do. The soldering portion 42 of the terminal 4 is bent after soldering,
The notch 11 is formed by the bent carrage solder portion 42.
Constitute an accommodation area.

【0007】[0007]

【発明が解決しようとする課題】ここで、5はドラムコ
ア2と捲線3より成るコイル30とリングコア1との間
の間隙を示す。この間隙5に熱硬化性接着性充填剤を充
填しこれを加熱硬化し、チョークコイル全体の組み立て
は完了する。ところで、問題は端子4がドラムコア2の
一方の鍔部21の表面に端子コア固定部41を介してエ
ポキシ樹脂系接着剤により接合固定されている点であ
り、この接合固定は熱硬化性接着性充填剤の加熱硬化の
際の加熱により損傷を蒙る。
Here, reference numeral 5 denotes a gap between the ring core 1 and the coil 30 composed of the drum core 2 and the winding 3. The gap 5 is filled with a thermosetting adhesive filler, which is heated and cured, and the assembly of the entire choke coil is completed. The problem is that the terminal 4 is bonded and fixed to the surface of the one flange portion 21 of the drum core 2 with an epoxy resin-based adhesive via the terminal core fixing portion 41. This bonding and fixing is performed by thermosetting adhesive. The filler is damaged by heating during heat curing.

【0008】そして、ドラムコア2の一方の鍔部21の
表面に対する端子4のコア固定部41の接合固定自体に
も困難を伴う。即ち、接着剤の塗布量の管理調整に細心
の注意が必要であり、接着剤の塗布量の調整に長時間を
要する。また、接着剤の塗布量の差異が生ずると、製品
の接合強度および接合の長期に亘る安定性に大きな差異
が生ずる。
Further, it is difficult to join and fix the core fixing portion 41 of the terminal 4 to the surface of the one flange portion 21 of the drum core 2. That is, it is necessary to pay close attention to the management and adjustment of the amount of the applied adhesive, and it takes a long time to adjust the amount of the applied adhesive. In addition, if a difference in the amount of the adhesive applied occurs, a great difference occurs in the joining strength of the product and the long-term stability of the joining.

【0009】更に、以上のチョークコイルは、芯出しの
構成を有してはおらず、その製造過程において格別の芯
出し工程が採用されている訳でもないので、出来上がり
の製品において偏心が発生する恐れは大きい。また、製
造過程に接着剤による接着工程および熱硬化性接着性充
填剤の加熱硬化工程が含まれているところから、全製造
作業時間は比較的に長時間となる。
Further, since the above-mentioned choke coil does not have a centering structure and does not necessarily employ a special centering process in the manufacturing process, eccentricity may occur in a finished product. Is big. Further, since the manufacturing process includes a bonding step using an adhesive and a heat-curing step of a thermosetting adhesive filler, the total manufacturing operation time is relatively long.

【0010】この発明は、上述の問題を解消するチョー
クコイルを提供するものである。
[0010] The present invention provides a choke coil that solves the above-mentioned problems.

【0011】[0011]

【課題を解決するための手段】請求項1:丸孔10を有
し、上端部に切り欠き11が形成されるリングコア1を
具備し、ドラムコア2の捲芯部22に捲線3を捲回して
構成される円筒状コイル30を具備し、絶縁材料製チュ
ーブ6を具備し、折曲端子部40、立ち上がり部43お
よび折曲係合部44より成るコ字状端子4’を具備し、
リングコア1の丸孔10に絶縁材料製チューブ6を介し
て円筒状コイル30を嵌合し、コ字状端子4’を切り欠
き11とリングコア1の下端に弾性係合したチョークコ
イルを構成した。
Means for Solving the Problems Claims 1: A ring core 1 having a round hole 10 and a notch 11 formed at an upper end portion is provided, and a winding wire 3 is wound around a core portion 22 of a drum core 2. Comprising a cylindrical coil 30 configured, comprising a tube 6 made of an insulating material, comprising a U-shaped terminal 4 ′ comprising a bent terminal portion 40, a rising portion 43 and a bent engagement portion 44,
A cylindrical coil 30 was fitted into the round hole 10 of the ring core 1 via the tube 6 made of an insulating material, and a choke coil was formed in which the U-shaped terminal 4 ′ was elastically engaged with the notch 11 and the lower end of the ring core 1.

【0012】そして、請求項2:請求項1に記載される
チョークコイルにおいて、リングコア1はその外側面を
横方向断面角形に構成したものであるチョークコイルを
構成した。また、請求項3:請求項1および請求項2の
内の何れかに記載されるチョークコイルにおいて、ドラ
ムコア2は上側の鍔部および下側の鍔部21と両鍔部を
連結する捲芯部22より成るものであるチョークコイル
を構成した。
[0012] Claim 2: In the choke coil described in claim 1, the ring core 1 has a lateral cross-sectional rectangular shape on the outer surface thereof. Claim 3: In the choke coil described in any one of claims 1 and 2, the drum core 2 is a core portion that connects the upper flange portion and the lower flange portion 21 to both the flange portions. 22 was formed.

【0013】更に、請求項4:請求項1ないし請求項3
の内の何れかに記載されるチョークコイルにおいて、絶
縁材料製チューブ6は磁性材料粉末を混入した絶縁材料
より成るものであるチョークコイルを構成した。また、
請求項5:請求項1ないし請求項4の内の何れかに記載
されるチョークコイルにおいて、コ字状端子4’は更に
カラゲ半田部42を有し、コイル30の捲線3を結合し
て折曲したチョークコイルを構成した。
[0013] Claim 4: Claims 1 to 3
In the choke coil described in any one of the above, the tube 6 made of an insulating material constituted a choke coil made of an insulating material mixed with a magnetic material powder. Also,
Claim 5: In the choke coil according to any one of claims 1 to 4, the U-shaped terminal 4 'further has a carrage solder portion 42, and connects and folds the winding 3 of the coil 30. A curved choke coil was constructed.

【0014】[0014]

【発明の実施の形態】この発明の実施の形態を図1およ
び図2を参照して説明する。図1(a)は組み立てられ
たチョークコイルの実施例の斜視図であり、図1(b)
は図1(a)の線b−bに沿った縦方向の断面を示す図
である。図2(a)は組み立てられたチョークコイルを
上から視たところを示す図であり、図2(b)はチョー
クコイルの下側部を示す図であり、図2(b)はチョー
クコイルを下からから視たところを示す図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. FIG. 1A is a perspective view of an embodiment of the assembled choke coil, and FIG.
FIG. 2 is a diagram showing a vertical cross section along line bb in FIG. 2A is a diagram showing the assembled choke coil as viewed from above, FIG. 2B is a diagram showing the lower side of the choke coil, and FIG. 2B is a diagram showing the choke coil. It is a figure which shows the place seen from the bottom.

【0015】リングコア1の外側面は横方向断面角形で
あり、内側面は横方向断面円形に構成され、丸孔10と
されている。そして、このリングコア1の上端部には切
り欠き11が形成されている。ドラムコア2は、上側お
よび下側鍔部21と捲芯部22より成る。このドラムコ
ア2にはその捲芯部22に捲線3が捲回されてコイル3
0が形成されている。4’はコ字状端子であり、折曲端
子部40、カラゲ半田部42、立ち上がり部43、折曲
係合部44より成る。6は絶縁材料製チューブである。
この絶縁材料製チューブ6はチューブ自体の厚さを一定
に構成され、リングコア1とドラムコア2との間に介在
せしめられている。この絶縁材料製チューブ6として、
特に、磁性材料粉末を混入した絶縁材料製チューブを使
用することができる。コ字状端子4’は、リングコア1
の円孔10内に絶縁材料製チューブ6とドラムコア2が
嵌合せしめられた状態において、リングコア1の上端部
に形成される切り欠き11と、リングコア1およびドラ
ムコア2の下端との間に弾性により強く被着せしめられ
ている。即ち、コ字状端子4’は、その上部に形成され
る折曲係合部44をリングコア1の切り欠き11に係合
させた状態で、主として立ち上がり部43を弾性変形さ
せながらその下部に形成される折曲端子部40をリング
コア1の下端に押し込むことにより弾性的に被着された
ものである。以上のリングコア1およびドラムコア2は
フェライトにより構成することができる。
The outer surface of the ring core 1 has a rectangular cross section in the transverse direction, and the inner surface has a circular cross section in the transverse direction. A notch 11 is formed at the upper end of the ring core 1. The drum core 2 includes an upper and lower flange 21 and a core 22. The drum core 2 is wound around a core portion 22 with a winding 3, and the coil 3
0 is formed. Reference numeral 4 'denotes a U-shaped terminal, which includes a bent terminal portion 40, a caraage solder portion 42, a rising portion 43, and a bent engagement portion 44. Reference numeral 6 denotes a tube made of an insulating material.
The insulating material tube 6 has a uniform thickness and is interposed between the ring core 1 and the drum core 2. As this insulating material tube 6,
In particular, an insulating material tube mixed with a magnetic material powder can be used. The U-shaped terminal 4 ′ is
When the tube 6 made of an insulating material and the drum core 2 are fitted into the circular hole 10 of the ring core 1, the cutout 11 formed at the upper end of the ring core 1 and the lower ends of the ring core 1 and the drum core 2 are elastically formed. Strongly adhered. That is, the U-shaped terminal 4 ′ is formed on the lower portion of the ring-shaped terminal 4 ′ while the rising portion 43 is elastically deformed while the bent engagement portion 44 formed on the upper portion is engaged with the notch 11 of the ring core 1. The bent terminal portion 40 is elastically attached by pushing the bent terminal portion 40 into the lower end of the ring core 1. The ring core 1 and the drum core 2 described above can be made of ferrite.

【0016】図3を参照してチョークコイルの組み立て
方を説明する。ここで、図3(a)を参照するに、これ
はドラムコア2にコイル30が形成され、捲線3の端末
を下側鍔部21の仮止め溝212に圧入して捲線3を仮
止めしたところを示す。図3(b)を参照するに、これ
は捲線3の捲線終端部31を接着剤を適用して固定し、
出来上がりのコイル30を絶縁材料製チューブ6に嵌合
するところを示している。次いで、コイル30を絶縁材
料製チューブ6に嵌合した状態で、乾燥工程に移行す
る。
Referring to FIG. 3, a method of assembling the choke coil will be described. Here, referring to FIG. 3A, this is where the coil 30 is formed in the drum core 2, and the end of the winding 3 is pressed into the temporary fixing groove 212 of the lower flange portion 21 to temporarily fix the winding 3. Is shown. Referring to FIG. 3 (b), this fixes the winding end portion 31 of the winding 3 by applying an adhesive.
The state where the completed coil 30 is fitted to the insulating material tube 6 is shown. Next, the process proceeds to a drying step with the coil 30 fitted in the tube 6 made of insulating material.

【0017】図3(c)を参照するに、これは図3
(b)の工程を終了し、捲線終端部31の接着剤が固化
したコイル30と絶縁材料製チューブ6の組み立て体を
示す。図3(d)を参照するに、これはリングコア1の
円孔10内にコイル30と絶縁材料製チューブ6の組み
立て体を嵌合せしめ、捲線3の引き出し端末33を仮止
め溝212、リングコア1の下端に形成した溝14を介
して引き出し、次に、コ字状端子4’を先に説明した通
りにリングコア1に弾性的に被着固定するところを示
す。
Referring to FIG. 3C, this corresponds to FIG.
An assembly of the coil 30 and the tube 6 made of an insulating material after the step (b) is completed and the adhesive of the winding end portion 31 is solidified is shown. As shown in FIG. 3D, the assembly of the coil 30 and the tube 6 made of an insulating material is fitted into the circular hole 10 of the ring core 1, and the leading end 33 of the winding 3 is temporarily fixed to the groove 212 and the ring core 1 Then, the U-shaped terminal 4 'is elastically attached and fixed to the ring core 1 as described above.

【0018】図3(e)を参照するに、これはリングコ
ア1に被着固定されたコ字状の端子4’のカラゲ半田部
42に捲線3の引き出し端末33をカラゲたところを示
す。図3(f)を参照するに、これは捲線3の引き出し
端末33をカラゲ半田部42に半田付け45したところ
を示す。図3(g)を参照するに、これは引き出し端末
33が半田付け45されたカラゲ半田部42を折曲して
これをリングコア1側面に接近せしめ、チョークコイル
の外形寸法を小さくしたところを示す。
Referring to FIG. 3 (e), this shows a state in which the lead-out terminal 33 of the winding wire 3 is carved on the carage solder portion 42 of the U-shaped terminal 4 'attached and fixed to the ring core 1. Referring to FIG. 3 (f), this shows a state where the lead-out terminal 33 of the winding 3 is soldered 45 to the carrage solder part 42. Referring to FIG. 3 (g), this shows a state in which the drawer terminal 33 bends the carrage solder portion 42 to which the solder 45 has been soldered 45 so as to approach the side of the ring core 1 to reduce the outer dimensions of the choke coil. .

【0019】[0019]

【発明の効果】以上の通りであって、この発明は、リン
グコアにコ字状端子を弾性的に強く被着固定せしめたこ
とにより、端子が破損脱落する恐れはない。そして、端
子取り付けの構成は簡素化され、組み立て作業を容易に
している。また、チューブ自体の厚さ一定に構成した絶
縁材料製チューブをドラムコアとリングコアの間に介在
させたことにより、ドラムコアとリングコアの間の中心
軸合わせを容易、精密に実施することができる。
As described above, according to the present invention, since the U-shaped terminal is elastically and strongly attached to the ring core and fixed, there is no danger that the terminal will be damaged and fall off. And the structure of terminal attachment is simplified and the assembling work is facilitated. Further, since the tube made of an insulating material having a constant thickness of the tube itself is interposed between the drum core and the ring core, the center axis between the drum core and the ring core can be easily and precisely aligned.

【0020】更に、絶縁材料製チューブとして、特に、
磁性材料粉末を混入した絶縁材料製チューブを使用する
ことにより、高インダクタンス特性を示すチョークコイ
ルを容易に構成することができる。
Furthermore, as a tube made of an insulating material,
By using a tube made of an insulating material mixed with a magnetic material powder, a choke coil exhibiting high inductance characteristics can be easily formed.

【図面の簡単な説明】[Brief description of the drawings]

【図1】実施例を説明する図。FIG. 1 illustrates an embodiment.

【図2】実施例の外面を説明する図。FIG. 2 is a diagram illustrating an outer surface of the embodiment.

【図3】実施例の組み立て方を説明する図。FIG. 3 is a view for explaining how to assemble the embodiment.

【図4】従来例を説明する図。FIG. 4 is a diagram illustrating a conventional example.

【図5】従来例の分解斜視図。FIG. 5 is an exploded perspective view of a conventional example.

【符号の説明】[Explanation of symbols]

1 リングコア 10 丸孔 11 切り欠き 12 平面部 13 円弧面部 14 溝 2 ドラムコア 21 鍔部 211 平坦部 212 仮止め溝 22 捲芯部 3 捲線 30 コイル 31 捲線終端部 33 引き出し端末 4 端子 4’コ字状端子 40 折曲端子部 41 端子コア固定部 42 カラゲ半田部 43 立ち上がり部 44 折曲係合部 45 半田付け 6 絶縁材料製チューブ DESCRIPTION OF SYMBOLS 1 Ring core 10 Round hole 11 Notch 12 Plane part 13 Arc surface part 14 Groove 2 Drum core 21 Flange part 211 Flat part 212 Temporary fixing groove 22 Core part 3 Winding 30 Coil 31 Winding end part 33 Pull-out terminal 4 Terminal 4 ′ U-shaped Terminal 40 Bent terminal part 41 Terminal core fixing part 42 Caraage solder part 43 Rising part 44 Bend engaging part 45 Soldering 6 Tube made of insulating material

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成11年12月28日(1999.12.
28)
[Submission date] December 28, 1999 (1999.12.
28)

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】特許請求の範囲[Correction target item name] Claims

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【特許請求の範囲】[Claims]

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) H01F 37/00 H01F 15/10 F ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) H01F 37/00 H01F 15/10 F

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 丸孔を有し、上端部に切り欠きが形成さ
れるリングコアを具備し、 ドラムコアの捲芯部に捲線を捲回して構成される円筒状
コイルを具備し、 絶縁材料製チューブを具備し、 折曲端子部、立ち上がり部および折曲係合部より成るコ
字状端子を具備し、 リングコアの丸孔に絶縁材料製チューブを介して円筒状
コイルを嵌合し、コ字状端子を切り欠きとリングコアの
下端に弾性係合したことを特徴とするチョークコイル。
1. A tube made of an insulating material, comprising: a ring core having a round hole, a notch formed in an upper end portion; a cylindrical coil formed by winding a winding wire around a core portion of a drum core; A U-shaped terminal comprising a bent terminal portion, a rising portion, and a bent engagement portion, and a cylindrical coil is fitted into a round hole of a ring core through a tube made of an insulating material to form a U-shape. A choke coil in which a terminal is elastically engaged with a notch and a lower end of a ring core.
【請求項2】 請求項1に記載されるチョークコイルに
おいて、 リングコアはその外側面を横方向断面角形に構成したも
のであることを特徴とするチョークコイル。
2. The choke coil according to claim 1, wherein the outer surface of the ring core has a rectangular cross section in a transverse direction.
【請求項3】 請求項1および請求項2の内の何れかに
記載されるチョークコイルにおいて、 ドラムコアは上側の鍔部および下側の鍔部と両鍔部を連
結する捲芯部より成るものであることを特徴とするチョ
ークコイル。
3. The choke coil according to claim 1, wherein the drum core comprises an upper flange portion, a lower flange portion, and a winding core portion connecting the both flange portions. A choke coil characterized by the following.
【請求項4】 請求項1ないし請求項3の内の何れかに
記載されるチョークコイルにおいて、 絶縁材料製チューブは磁性材料粉末を混入した絶縁材料
より成るものであることを特徴とするチョークコイル。
4. The choke coil according to claim 1, wherein the tube made of an insulating material is made of an insulating material mixed with a magnetic material powder. .
【請求項5】 請求項1ないし請求項4の内の何れかに
記載されるチョークコイルにおいて、 コ字状端子は更にカラゲ半田部を有し、コイルの捲線を
結合して折曲したことを特徴とするチョークコイル。
5. The choke coil according to claim 1, wherein the U-shaped terminal further has a carrage solder portion, and the winding of the coil is connected and bent. Characteristic choke coil.
JP31720398A 1998-11-09 1998-11-09 choke coil Expired - Fee Related JP3202200B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP31720398A JP3202200B2 (en) 1998-11-09 1998-11-09 choke coil
TW88101401A TW412761B (en) 1998-11-09 1999-01-29 Current blocking coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31720398A JP3202200B2 (en) 1998-11-09 1998-11-09 choke coil

Publications (2)

Publication Number Publication Date
JP2000150244A true JP2000150244A (en) 2000-05-30
JP3202200B2 JP3202200B2 (en) 2001-08-27

Family

ID=18085622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31720398A Expired - Fee Related JP3202200B2 (en) 1998-11-09 1998-11-09 choke coil

Country Status (2)

Country Link
JP (1) JP3202200B2 (en)
TW (1) TW412761B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003030191A1 (en) * 2001-09-28 2003-04-10 Matsushita Electric Industrial Co., Ltd. Inductance device
JP2006278593A (en) * 2005-03-29 2006-10-12 Shindengen Electric Mfg Co Ltd Coil device
JP2008071858A (en) * 2006-09-13 2008-03-27 Tdk Corp Manufacturing method of coil component
US7362201B2 (en) 2005-09-07 2008-04-22 Yonezawa Electric Wire Co., Ltd. Inductance device and manufacturing method thereof
JP2009266954A (en) * 2008-04-23 2009-11-12 Tdk Corp Coil component
JP2017123366A (en) * 2016-01-05 2017-07-13 Tdk株式会社 Coil component and circuit board including the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003030191A1 (en) * 2001-09-28 2003-04-10 Matsushita Electric Industrial Co., Ltd. Inductance device
US6747538B2 (en) 2001-09-28 2004-06-08 Matsushita Electric Industrial Co., Ltd. Inductance device
JP2006278593A (en) * 2005-03-29 2006-10-12 Shindengen Electric Mfg Co Ltd Coil device
US7362201B2 (en) 2005-09-07 2008-04-22 Yonezawa Electric Wire Co., Ltd. Inductance device and manufacturing method thereof
JP2008071858A (en) * 2006-09-13 2008-03-27 Tdk Corp Manufacturing method of coil component
JP2009266954A (en) * 2008-04-23 2009-11-12 Tdk Corp Coil component
JP2017123366A (en) * 2016-01-05 2017-07-13 Tdk株式会社 Coil component and circuit board including the same

Also Published As

Publication number Publication date
JP3202200B2 (en) 2001-08-27
TW412761B (en) 2000-11-21

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