JPS6225857Y2 - - Google Patents
Info
- Publication number
- JPS6225857Y2 JPS6225857Y2 JP1981178638U JP17863881U JPS6225857Y2 JP S6225857 Y2 JPS6225857 Y2 JP S6225857Y2 JP 1981178638 U JP1981178638 U JP 1981178638U JP 17863881 U JP17863881 U JP 17863881U JP S6225857 Y2 JPS6225857 Y2 JP S6225857Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- flange
- lead terminal
- winding
- fixed
- 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.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 229910000679 solder Inorganic materials 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
【考案の詳細な説明】
本考案は、回路基板に取付けて使用される、小
型磁心の端面にリード端子を固着し、このリード
端子に磁心に巻回した巻線の末端を半田固着し、
外周を絶縁性樹脂で被覆してなる小型インダクタ
ンス素子、特にそのリード端子の改良に関する。[Detailed description of the invention] The present invention is based on a method in which a lead terminal is fixed to the end face of a small magnetic core that is used by being attached to a circuit board, and the end of the winding wire wound around the magnetic core is fixed to the lead terminal by soldering.
This invention relates to a small inductance element whose outer periphery is coated with an insulating resin, and in particular to improvements in its lead terminals.
従来、この種の小型インダクタンス素子は、こ
れを回路基板に取り付けるためにそのリード端子
を折り曲げたとき、巻線の末端が半田固着された
部分から折れ曲り易く、巻線の末端は往々にして
断線するという不都合を生じていた。そこでこれ
を解決するものとして、第１図示のような構成の
もの（実公昭45−33408号公報）が提案されてい
る。このものは、リード端子ａの磁心固着側を大
径部ｂに形成し、この磁心固着側に磁心ｃの側面
に設けた凹部ｄに挿入して接着剤ｅで固着し、巻
線ｆの末端ｇを前記大径部ｂにからげて半田ｈで
固着し、これらの外周を絶縁性樹脂ｉで被覆して
いる。そこでこれを回路基板に取付けるために、
第１図に一点鎖線で示すようにリード端子ａを折
り曲げたとき、その径の大小による強度の差から
大径部ｂに隣接する小径部のところで折れ曲が
る。したがつて、巻線ｆの末端ｇは移動すること
がなく巻線に張力が加わらないため断線すること
がない。 Conventionally, when the lead terminal of this type of small inductance element is bent to attach it to a circuit board, the end of the winding easily bends from the soldered part, and the end of the winding often breaks. This caused the inconvenience of doing so. In order to solve this problem, a structure as shown in the first figure has been proposed (Japanese Utility Model Publication No. 33408/1983). In this case, the magnetic core fixed side of the lead terminal a is formed into a large diameter part b, and the magnetic core fixed side is inserted into a recess d provided on the side surface of the magnetic core c and fixed with an adhesive e, and the end of the winding f is g is wrapped around the large diameter portion b and fixed with solder h, and the outer periphery of these is covered with an insulating resin i. So in order to attach this to the circuit board,
When the lead terminal a is bent as shown by the dashed line in FIG. 1, it is bent at the small diameter portion adjacent to the large diameter portion b due to the difference in strength depending on the diameter. Therefore, the end g of the winding f does not move and no tension is applied to the winding, so there is no possibility of wire breakage.
しかし、長い大径部を有するこのリード端子を
作るには、細い軟銅線の先端部分をプレスで潰す
という加工を数回に分けて行なわなければならな
いため、先端の短い部分を太くする場合に比較し
て加工費が相当かさみ、インダクタンス素子の価
格が高くなるという欠点がある。 However, in order to make this lead terminal with a long, large diameter part, the tip of the thin annealed copper wire must be crushed with a press several times. This has the disadvantage that the processing cost increases considerably and the price of the inductance element becomes high.
本考案は、回路基板へ取付ける際の断線事故が
なく且つ安価な小型インダクタンス素子を提供す
ることをその目的とするもので、第２図示のよう
に、例えば径３mm、長さ８mmの小型磁心１の端面
に固着したリード端子４の磁心固着部端から離れ
た位置に、鍔６を形成し、この鍔６と前記磁心固
着部端との間のリード端子部分に前記磁心１に巻
回した巻線２の末端３をからげて半田固着７する
とともに、前記鍔６の前後の周面に半田８を付着
し、前記鍔６までの外周部を絶縁性樹脂５で被覆
した。尚、リード端子４の鍔６と磁心固着部端と
の間は断面４角形に形成してもよく、このように
すると巻線２の末端３かをからげたときゆるまな
い。 The purpose of the present invention is to provide a small-sized inductance element that does not cause disconnection accidents when attached to a circuit board and is inexpensive. A flange 6 is formed at a position away from the end of the magnetic core fixed part of the lead terminal 4 fixed to the end face of the lead terminal 4, and a winding wound around the magnetic core 1 is formed on the lead terminal part between the flange 6 and the end of the magnetic core fixed part. The ends 3 of the wires 2 were tied up and fixed with solder 7, and solder 8 was attached to the front and rear peripheral surfaces of the collar 6, and the outer peripheral portion up to the collar 6 was covered with an insulating resin 5. Incidentally, the section between the collar 6 of the lead terminal 4 and the end of the magnetic core fixing portion may be formed to have a rectangular cross section, so that it will not loosen when the end 3 of the winding 2 is tied.
以上のように構成したので、鍔６は勿論、その
前後の部分該部分の一方と磁心固着部端のとの間
の部分は半田８等によつて太くなり、これと絶縁
性樹脂５の外装との協同によつてこれらの部分の
曲げ強度は鍔６より先端の部分のそれより大きく
なる。 With the structure described above, not only the flange 6 but also the front and rear parts thereof and the part between one of the parts and the end of the magnetic core fixing part are thickened by the solder 8 or the like, and this and the exterior of the insulating resin 5 are thickened. The bending strength of these parts becomes greater than that of the part at the tip of the collar 6.
すなわち、リード端子４を先端を把持して折り
曲げた場合、その当初、鍔６より磁心固着部端に
かけて力が加わり、絶縁性樹脂５の外装を破壊し
ようとする力が働くが、この部分の曲げ強度が大
きいので、リード端子４の鍔６より先端側の部分
が折れ曲る。したがつて、巻線２の末端３に力が
加わることが少なく、断線するに至らない。 That is, when the lead terminal 4 is bent by grasping the tip, a force is initially applied from the collar 6 to the end of the magnetic core fixing part, and a force that tends to break the exterior of the insulating resin 5 acts. Since the strength is high, the portion of the lead terminal 4 closer to the tip than the collar 6 is bent. Therefore, less force is applied to the end 3 of the winding 2, and the wire does not break.
第３図は、第２図に対してリード端子４，４を
磁心１の一方の端面のみに固着した他の実施例を
示す。 FIG. 3 shows another embodiment in which the lead terminals 4, 4 are fixed to only one end surface of the magnetic core 1 compared to FIG. 2.
このように本考案によるときは、磁心１に固着
したリード端子４に鍔６を形成し、この鍔６と磁
心固着部端との間に巻線２の末端３をからげて半
田固着すると共に鍔６の前後の周面に半８を付着
し、前記鍔６までの外周部を絶縁性樹脂５で被覆
したので、インダクタンス素子の価格が安くなる
とともに巻線２の末端３が断線することがない等
の効果を有する。 In this way, according to the present invention, a flange 6 is formed on the lead terminal 4 fixed to the magnetic core 1, and the end 3 of the winding 2 is tied between the flange 6 and the end of the magnetic core fixed part and fixed with solder. Since the halves 8 are attached to the front and rear peripheral surfaces of the flange 6 and the outer periphery up to the flange 6 is covered with the insulating resin 5, the price of the inductance element is reduced and the end 3 of the winding 2 is prevented from breaking. It has the effect of not having any effect.
第１図は先に提案された小型インダクタンス素
子の一部の拡大断面図、第２図及び第３図はそれ
ぞれ本考案の実施例の一部及び全体の拡大断面図
である。
１……小型磁心、２……巻線、３……巻線の末
端、４……リード端子、５……絶縁性樹脂、６…
…鍔、７……半田固着、８……半田。
FIG. 1 is an enlarged sectional view of a part of the previously proposed small inductance element, and FIGS. 2 and 3 are enlarged sectional views of a part and the whole of an embodiment of the present invention, respectively. DESCRIPTION OF SYMBOLS 1... Small magnetic core, 2... Winding wire, 3... End of winding wire, 4... Lead terminal, 5... Insulating resin, 6...
...Tsuba, 7...Solder fixation, 8...Solder.
Claims (1)
磁心１の端面に固着したリード端子４に接続し、
外周を絶縁性樹脂５で被覆してなる小型インダク
タンス素子において、前記リード端子４の磁心固
着部端から離れた位置に鍔６を形成し、この鍔６
と前記磁心固着部端との間のリード端子部分に前
記巻線２の末端３をからげて半田固着７すると共
に前記鍔６の前後の周面に半田８を付着し、前記
鍔６までの外周部を絶縁性樹脂５で被覆したこと
を特徴とする小型インダクタンス素子。 A winding 2 is applied to a small magnetic core 1, and its end 3 is connected to a lead terminal 4 fixed to the end face of this magnetic core 1.
In a small inductance element whose outer periphery is coated with an insulating resin 5, a flange 6 is formed at a position away from the end of the magnetic core fixed part of the lead terminal 4, and this flange 6
The end 3 of the winding 2 is tied to the lead terminal portion between the flange 6 and the end of the magnetic core fixing part, and is fixed with solder 7. At the same time, solder 8 is attached to the front and rear circumferential surfaces of the flange 6, and the area up to the flange 6 is A small inductance element characterized in that its outer periphery is covered with an insulating resin 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17863881U JPS58155814U (en) | 1981-12-02 | 1981-12-02 | small inductance element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17863881U JPS58155814U (en) | 1981-12-02 | 1981-12-02 | small inductance element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58155814U JPS58155814U (en) | 1983-10-18 |
| JPS6225857Y2 true JPS6225857Y2 (en) | 1987-07-02 |
Family
ID=30102402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17863881U Granted JPS58155814U (en) | 1981-12-02 | 1981-12-02 | small inductance element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58155814U (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5716348Y2 (en) * | 1977-03-18 | 1982-04-06 |
-
1981
- 1981-12-02 JP JP17863881U patent/JPS58155814U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58155814U (en) | 1983-10-18 |
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