JPH1041154A - Surface mounting coil - Google Patents
Surface mounting coilInfo
- Publication number
- JPH1041154A JPH1041154A JP8210512A JP21051296A JPH1041154A JP H1041154 A JPH1041154 A JP H1041154A JP 8210512 A JP8210512 A JP 8210512A JP 21051296 A JP21051296 A JP 21051296A JP H1041154 A JPH1041154 A JP H1041154A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- collars
- collar
- mount type
- surface mount
- 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.)
- Pending
Links
Landscapes
- Coils Or Transformers For Communication (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Abstract
Description
【請求項２】 前記上、下つばの傾斜段部に前記金具を
位置決めする溝を設けたことを特徴とする請求項１記載
の面実装型コイル。2. The surface mount type coil according to claim 1, wherein a groove for positioning said metal fitting is provided in said inclined step portion of said upper and lower collars.
【０００１】[0001]
【発明の属する技術分野】本発明は、面実装に適した面
実装型コイルの端子構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal structure of a surface mount type coil suitable for surface mount.
【０００２】[0002]
【従来の技術】図４、図５は、従来の面実装型コイルを
示す図である。同図中、１はつば１ａ、１ｂ、およびつ
ば１ａ、１ｂ間に巻回部１ｃを有するドラムコア、２は
端部にリード２ａ、２ｂを有し、つば１の巻回部１ｃに
巻回されたコイル、３はドラムコア１を載置する基板、
４はコイル２のリード２ａと接続する端子部４ａを有す
る外部端子、５はコイル２のリード２ａと接続する端子
部５ａを有する外部端子であり、これらで面実装型コイ
ルが形成される。上述した面実装型コイルの外部端子
４、５がプリント基板（図省略）の電極パターンにはん
だ付されて、プリント基板に面実装される。2. Description of the Related Art FIGS. 4 and 5 show a conventional surface mount type coil. In the drawing, reference numeral 1 denotes a drum core having collars 1a and 1b and a winding portion 1c between the collars 1a and 1b, and 2 has leads 2a and 2b at the ends, and is wound around the winding portion 1c of the collar 1. A coil 3 and a substrate on which the drum core 1 is mounted,
Reference numeral 4 denotes an external terminal having a terminal portion 4a connected to the lead 2a of the coil 2, and reference numeral 5 denotes an external terminal having a terminal portion 5a connected to the lead 2a of the coil 2, and these form a surface mount type coil. The external terminals 4 and 5 of the above-described surface-mount type coil are soldered to electrode patterns on a printed board (not shown) and are surface-mounted on the printed board.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記構成の面
実装型コイルでは、基板３が使用され、このため、部品
点数が増え、またコスト高となるという問題点がある。However, in the surface mount type coil having the above-described structure, the substrate 3 is used, and therefore, there is a problem that the number of components is increased and the cost is increased.
【０００４】[0004]
【課題を解決するための手段】上記課題は、上、下につ
ばが形成され、この上、下つば間にコイルが巻回される
巻回部が形成されてなるドラムコアを備えてなる面実装
型コイルにおいて、コ字状の弾性を有する金具を、前記
上つばの外面、巻回部、及び下つば外面に位置させると
共に、前記上、下つばに傾斜段部を設け、前記金具を前
記上、下つばに弾性的に取り付け、前記金具の一方の端
部を前記コイルに電気的に接続し、他方の端部を外部端
子とすることにより解決される。SUMMARY OF THE INVENTION The object of the present invention is to provide a surface mounting device comprising a drum core having upper and lower collars formed thereon, and a winding portion for winding a coil between the upper and lower collars. In the mold coil, U-shaped elastic metal fittings are located on the outer surface of the upper collar, the winding portion, and the lower collar outer surface, and an inclined step portion is provided on the upper and lower collars. The problem is solved by elastically attaching to the lower collar, electrically connecting one end of the metal fitting to the coil, and using the other end as an external terminal.
【０００５】本発明による面実装型コイルは、好ましく
は、前記上、下つばの傾斜段部に前記金具を位置決めす
る溝を設けることである。In the surface mount type coil according to the present invention, preferably, a groove for positioning the metal fitting is provided in the inclined step portions of the upper and lower collars.
【０００６】上記構成によれば、外部端子及びコイルの
リードを接続する端部を有する金具がドラムコアのつば
に弾性的に取り付けられるため、外部端子が外れるとい
うことがなくなり、またドラムコアを載置する基板が不
要となり、またコスト安になる。また、ドラムコアのつ
ばに前記金具を位置決めする溝を設けた場合は、金具の
位置ずれがなくなる。According to the above construction, since the metal fitting having the end for connecting the external terminal and the coil lead is elastically attached to the flange of the drum core, the external terminal does not come off and the drum core is placed. Substrates are not required, and costs are reduced. Further, when a groove for positioning the metal fitting is provided in the flange of the drum core, the metal fitting does not shift.
【０００７】[0007]
【発明の実施の形態】図１、図２、図３において本発明
に係る面実装型コイルの実施例を説明する。図１におい
て、１１は平面円形状のつば１１ａ、１１ｂ、つば１１
ａ、１１ｂ間に巻回部１１ｃ、およびつば１１ａ、１１
ｂに傾斜段部１１ｄ、１１ｅ、１１ｆ、１１ｇを有する
磁性材からなるドラムコア、１２はつば１１の巻回部１
１ｃに巻回されたコイル、１３、１４は基部１３ａ、１
４ａ、第１の折り曲げ端部１３ｂ，１４ｂ、第２の折り
曲げ端部１３ｃ、１４ｃ、が形成され、第１の折り曲げ
端部１３ｂ，１４ｂにそれぞれコイルリード１２ａ、１
２ｂが電気的に接続され、第２の折り曲げ端部１３ｃ、
１４ｃを外部端子とした弾性を有する金属材からなる板
状の金具である。ここで、図２に示す如く、つば１１
ａ、１１ｂに切り欠き１１ｈ、１１ｉ、１１ｊ、１１
ｋ、及び溝１１ｍ、１１ｎ、１１ｐ、１１ｑ（１１ｐ、
１１ｑはつば１１ｂに設けられるが図を省略する。）が
設けられている。これらで面実装型コイルが形成され、
外部端子１３ｃ、１４ｄがプリント基板（図省略）の電
極パターンにはんだ付されて、プリント基板に面実装さ
れる。FIG. 1, FIG. 2 and FIG. 3 show an embodiment of a surface mount type coil according to the present invention. In FIG. 1, reference numeral 11 denotes a flat circular flange 11a, 11b, a flange 11;
a, 11b, and a winding portion 11c, and collars 11a, 11b.
b, a drum core made of a magnetic material having inclined steps 11d, 11e, 11f, 11g;
The coils wound around 1c, 13 and 14 are the bases 13a and 1
4a, first bent ends 13b, 14b, and second bent ends 13c, 14c are formed, and the coil leads 12a, 1b are respectively formed on the first bent ends 13b, 14b.
2b is electrically connected to the second bent end 13c,
It is a plate-shaped metal fitting made of an elastic metal material with 14c as an external terminal. Here, as shown in FIG.
Notches 11h, 11i, 11j, 11 in a, 11b
k, and grooves 11m, 11n, 11p, 11q (11p,
11q is provided on the collar 11b, but the illustration is omitted. ) Is provided. These form a surface mount coil,
The external terminals 13c and 14d are soldered to electrode patterns on a printed board (not shown), and are surface-mounted on the printed board.
【０００８】金具１３、１４のドラムコア１１への取り
付けについて更に説明する。図２の如く、コイル１２が
巻回されたドラムコア１１に、金具１３、１４を図面矢
印Ａ、Ｂ方向から取り付けられる。次に、コイル１２の
リード１２ａ、１２ｂが第１の折り曲げ端部１３ｂ、１
４ｂ根本付近にからげ接続されて、金具１３、１４とコ
イル１２との電気的導通を図る。その後、図３の如く金
具をＣ方向へ回動し、点線で示す如く溝１１ｍに第１の
折り曲げ端部１３ｂが係合して位置決めされる。この
時、第１の折り曲げ端部１３ｂは、つば１１ｂの傾斜段
部１１ｄを通る際に、図面上方向への力を受け、弾性的
に変形し、この状態で金具１３がドラムコア１１に弾性
的に取り付けられる。これは、金具１３の第２折り曲げ
端部１３ｃがつば１１ｂに、金具１４の第１の折り曲げ
端部１４ｂがつば１１ａに、および金具１４の第２の折
り曲げ端部１４ｃがつば１１ｂにそれぞれ取り付ける場
合も同様である。以上の工程を経て図１の面実装型コイ
ルが得られる。The attachment of the metal fittings 13 and 14 to the drum core 11 will be further described. As shown in FIG. 2, metal fittings 13 and 14 are attached to the drum core 11 around which the coil 12 is wound from the directions of arrows A and B in the drawing. Next, the leads 12a, 12b of the coil 12 are connected to the first bent ends 13b, 1b.
4b is connected in the vicinity of the root to establish electrical continuity between the metal fittings 13 and 14 and the coil 12. Thereafter, the metal fitting is rotated in the direction C as shown in FIG. 3, and the first bent end 13b is engaged with the groove 11m and positioned as shown by the dotted line. At this time, when the first bent end portion 13b passes through the inclined step portion 11d of the collar 11b, it receives an upward force in the drawing and is elastically deformed. In this state, the metal fitting 13 is elastically attached to the drum core 11. Attached to. This is the case when the second bent end 13c of the fitting 13 is attached to the collar 11b, the first bent end 14b of the fitting 14 is attached to the collar 11a, and the second bent end 14c of the fitting 14 is attached to the collar 11b. The same is true for Through the above steps, the surface mount type coil of FIG. 1 is obtained.
【０００９】以上の構成による面実装型コイルにおいて
は、金具１３、１４をドラムコア１１に弾性的に取り付
けているため、従来のような基板を省略し、また接着剤
の使用をも不要としている。また、つばの傾斜段部１１
ｄ、１１ｅ、１１ｆ、１１ｇに金具１３、１４の折り曲
げ端部１３ｂ、１３ｃ、１４ｂ、１４ｃの位置決めよう
の溝１１ｍ、１１ｎ、１１ｐ、１１ｑを設けた場合は、
金具の位置ずれをなくしている。In the surface mount type coil having the above-described structure, the metal fittings 13 and 14 are elastically attached to the drum core 11, so that the conventional substrate is omitted and the use of an adhesive is not required. In addition, the inclined step portion 11 of the brim
When d, 11e, 11f, and 11g are provided with grooves 11m, 11n, 11p, and 11q for positioning the bent ends 13b, 13c, 14b, and 14c of the fittings 13, 14,
Eliminates misalignment of the bracket.
【００１０】[0010]
【発明の効果】以上述べたように、本発明に係る面実装
型コイルは、上、下につばが形成され、この上、下つば
間にコイルが巻回される巻回部が形成されてなるドラム
コアを備えてなる面実装型コイルにおいて、コ字状の弾
性を有する金具を、前記上つばの外面、巻回部、及び下
つば外面に位置させると共に、前記上、下つばに傾斜段
部を設け、前記金具を前記上、下つばに弾性的に取り付
け、前記金具の一方の端部を前記コイルに電気的に接続
し、他方の端部を外部端子としたため、従来使用してい
た基板が不要となり、また金具のドラムコアへの取り付
けの際に接着材をも不要とし、かつコスト安の面実装型
コイルが得られる。As described above, the surface mount type coil according to the present invention has the upper and lower collars formed thereon, and the upper and lower collars are provided with a winding portion for winding the coil. In the surface mount type coil having a drum core comprising: a U-shaped metal fitting having elasticity on the outer surface of the upper collar, the winding portion, and the outer surface of the lower collar, and an inclined step portion on the upper and lower collars. The metal fittings are elastically attached to the upper and lower collars, one end of the metal fitting is electrically connected to the coil, and the other end is an external terminal. Is unnecessary, and an adhesive is not required when the metal fitting is attached to the drum core, and a surface-mounted coil having a low cost can be obtained.
【００１１】また、ドラムコアのつばに前記金具を位置
決めする溝を設けた場合は、金具の位置ずれがなくな
る。Further, when a groove for positioning the metal fitting is provided in the flange of the drum core, the metal fitting does not shift.
【００１２】かくして、本発明によれば、面実装に適し
た面実装型コイルが提供されることになる。Thus, according to the present invention, a surface mount type coil suitable for surface mount is provided.
【図１】本発明に係る面実装型コイルの実施例を示す正
面図。FIG. 1 is a front view showing an embodiment of a surface mount type coil according to the present invention.
【図２】本発明に係る面実装型コイルの実施例を示す１
部分解斜視図。FIG. 2 is a view showing an embodiment of a surface mount type coil according to the present invention;
FIG.
【図３】本発明に係る面実装型コイルの実施例を示し、
金具をドラムコアに取り付ける様子を示す要部斜視図。FIG. 3 shows an embodiment of the surface mount type coil according to the present invention,
The principal part perspective view which shows a mode that a metal fitting is attached to a drum core.
【図４】従来の面実装型コイルを示す正面図。FIG. 4 is a front view showing a conventional surface mount type coil.
【図５】従来の面実装型コイルを示す斜視図。FIG. 5 is a perspective view showing a conventional surface mount type coil.
１１ ドラムコア １１ａ、１１ｂ つば １１ｃ 巻回部 １１ｄ，１１ｅ、１１ｆ、１１ｇ 傾斜段部 １１ｈ、１１ｉ、１１ｊ、１１ｋ 切り欠き １１ｍ、１１ｎ、１１ｐ、１１ｑ 溝 １２ コイル １２ａ、１２ｂ コイルリード １３、１４ 金具 １３ａ、１４ａ 基部 １３ｂ、１４ｂ 第１の折り曲げ端
部 １３ｃ、１４ｃ 第２の折り曲げ端
部11 Drum core 11a, 11b Collar 11c Winding part 11d, 11e, 11f, 11g Inclined step part 11h, 11i, 11j, 11k Notch 11m, 11n, 11p, 11q Groove 12 Coil 12a, 12b Coil lead 13, 14 Fitting 13a, 14a Base 13b, 14b First folded end 13c, 14c Second folded end
Claims (1)
ば間にコイルが巻回される巻回部が形成されてなるドラ
ムコアを備えてなる面実装型コイルにおいて、コ字状の
弾性を有する金具を、前記上つばの外面、巻回部、及び
下つば外面に位置させると共に、前記上、下つばに傾斜
段部を設け、前記金具を前記上、下つばに弾性的に取り
付け、前記金具の一方の端部を前記コイルに電気的に接
続し、他方の端部を外部端子としたことを特徴とする面
実装型コイル。1. A surface-mount type coil comprising a drum core having upper and lower collars formed thereon, and a winding portion for winding the coil between the upper and lower collars. Elastic fittings are located on the outer surface of the upper collar, the winding part, and the outer face of the lower collar, and the upper and lower collars are provided with inclined steps, and the fittings are elastically attached to the upper and lower collars. A surface-mounted coil, wherein one end of the metal fitting is electrically connected to the coil, and the other end is an external terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8210512A JPH1041154A (en) | 1996-07-22 | 1996-07-22 | Surface mounting coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8210512A JPH1041154A (en) | 1996-07-22 | 1996-07-22 | Surface mounting coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1041154A true JPH1041154A (en) | 1998-02-13 |
Family
ID=16590607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8210512A Pending JPH1041154A (en) | 1996-07-22 | 1996-07-22 | Surface mounting coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1041154A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008294140A (en) * | 2007-05-23 | 2008-12-04 | Tdk Corp | Coil component and method for manufacturing coil component |
-
1996
- 1996-07-22 JP JP8210512A patent/JPH1041154A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008294140A (en) * | 2007-05-23 | 2008-12-04 | Tdk Corp | Coil component and method for manufacturing coil component |
| JP4716267B2 (en) * | 2007-05-23 | 2011-07-06 | Ｔｄｋ株式会社 | Coil component and method for manufacturing coil component |
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