JPH0214185Y2 - - Google Patents
Info
- Publication number
- JPH0214185Y2 JPH0214185Y2 JP1983127866U JP12786683U JPH0214185Y2 JP H0214185 Y2 JPH0214185 Y2 JP H0214185Y2 JP 1983127866 U JP1983127866 U JP 1983127866U JP 12786683 U JP12786683 U JP 12786683U JP H0214185 Y2 JPH0214185 Y2 JP H0214185Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaped
- core
- coil bobbin
- transformer
- mounting bracket
- 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
- 230000037431 insertion Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Housings And Mounting Of Transformers (AREA)
Description
【考案の詳細な説明】
(考案の対象・産業上の利用分野)
本考案は、OI形コアを有するトランスの改良
に関し、特にトランスをプリント基板又はケース
等に取付ける場合に好適に利用される。[Detailed Description of the Invention] (Target of the Invention/Field of Industrial Application) The present invention relates to the improvement of a transformer having an OI type core, and is particularly suitable for use when the transformer is attached to a printed circuit board or a case.
(従来技術)
従来より、1個のI形コアと2個のO形コアと
を組合せたOI形コアを有するトランスが用いら
れており、これはコイルボビンのコア挿通孔にI
形コアをその両端が突出するようにして挿入し、
2個のO形コアでコイルボビンの外周を囲み且つ
I形コアの突出部を挟持してなるものである。こ
のトランスをプリント基板又はケース等に取付け
るには、従来は例えば両O形コアの外周に縁枠状
の取付金具を外嵌し、トランス本体を巻き抱える
ような状態で取付けている。この従来のトランス
では、取付金具が大型化してトランスの外形寸法
及び重量が大きなものとなつてしまうほか、取付
金具とトランス本体との間の固定力が弱く、トラ
ンス本体が取付金具から抜け出てしまうという難
点があつた。また、例えば、コイルボビンに取付
けた電極引出し用の端子をプリント基板に直接半
田付けして取付けることも行われているが、これ
は極く小型のトランスに限られ、また振動や衝撃
に弱い。(Prior Art) Conventionally, a transformer having an OI-type core, which is a combination of one I-type core and two O-type cores, has been used.
Insert the shaped core with both ends protruding,
Two O-shaped cores surround the outer periphery of a coil bobbin and sandwich the protrusion of an I-shaped core. Conventionally, in order to attach this transformer to a printed circuit board or a case, for example, frame-shaped mounting brackets are fitted around the outer periphery of both O-shaped cores, and the transformer body is wrapped around the transformer body. In this conventional transformer, the mounting bracket becomes large, increasing the external dimensions and weight of the transformer, and the fixing force between the mounting bracket and the transformer body is weak, resulting in the transformer body slipping out from the mounting bracket. There was a problem. Furthermore, for example, an electrode lead-out terminal attached to a coil bobbin is attached by directly soldering to a printed circuit board, but this is limited to extremely small transformers and is susceptible to vibration and shock.
(考案の目的)
本考案は、上述の事情に鑑みて成されたもの
で、トランスの外形寸法及び重量が増大せず、か
つ固定力の強い取付金具を有するトランスを提供
することを目的としている。(Purpose of the invention) The present invention was made in view of the above-mentioned circumstances, and aims to provide a transformer that does not increase the external dimensions and weight of the transformer and has mounting brackets with strong fixing force. .
(考案の構成)
本考案は、コイルボビン1のコア挿通孔4に1
個のI形コア6をその両端部がコイルボビン1か
ら突出するように挿入し、上記コイルボビン1に
2個のO形コア7,7をI形コア6を挟むように
して外嵌させてなるトランスにおいて、上記コア
挿通孔4に挿通され、且つI形コア6に被嵌する
コ字状枠部9と、該コ字状枠部9の両端部に一体
形成された取付脚部10とからなる取付金具5を
設けると共に、上記コ字状枠部9にコイルボビン
固定用係合片11,12を一体形成し、前記両O
形コア7,7を略コ字状の弾性固定金具8により
挟持してなる構成を採用するものである。(Structure of the invention) The present invention has a core insertion hole 4 in the coil bobbin 1.
In a transformer, two I-shaped cores 6 are inserted so that their both ends protrude from the coil bobbin 1, and two O-shaped cores 7, 7 are fitted onto the coil bobbin 1 so as to sandwich the I-shaped core 6, A mounting bracket consisting of a U-shaped frame portion 9 inserted into the core insertion hole 4 and fitted onto the I-shaped core 6, and mounting legs 10 integrally formed on both ends of the U-shaped frame portion 9. 5 is provided, and engaging pieces 11 and 12 for fixing the coil bobbin are integrally formed on the U-shaped frame portion 9, and both the O
A structure is adopted in which cores 7, 7 are held between substantially U-shaped elastic fixtures 8.
(実施例)
以下、本考案の実施例を図面に基づいて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
第1図及び第2図において、コイルボビン1の
外周にはコイル2a,2bが巻回されており、そ
の端部電極はコイルボビン1に突設されたピン端
子3a,3bに接続されている。コイルボビン1
の中央にはコア挿通孔4が設けられており、取付
金具5とI形コア6とがこのコア挿通孔に挿通さ
れ、2個のO形コア7,7がコイルボビン1の外
周を囲み且つI形コア6のコア挿通孔4からの突
出部6a,6bを挟持するように配置されるとと
もに、固定金具8,8によつて両O形コア7,7
を挟むようにして固定されている。 1 and 2, coils 2a and 2b are wound around the outer periphery of a coil bobbin 1, and the end electrodes thereof are connected to pin terminals 3a and 3b protruding from the coil bobbin 1. coil bobbin 1
A core insertion hole 4 is provided in the center of the coil bobbin 1, and a mounting bracket 5 and an I-shaped core 6 are inserted through this core insertion hole. The protrusions 6a and 6b from the core insertion hole 4 of the O-shaped core 6 are sandwiched between the two O-shaped cores 7 and 7 by the fixing fittings 8 and 8.
It is fixed by sandwiching it.
第3図をも参照して、取付金具5は、中央部に
コ字状枠部9が、その両端にコ字状枠部9より幅
広の取付脚部10がそれぞれ形成されている。コ
字状枠部9の幅Sは、I形コア6のそれよりも若
干狭くなつており、また対向辺部9a,9a外面
間の距離は、コイルボビン1のコア挿通孔4の幅
とほぼ同じになつていて互いに挿脱可能ではある
が、ガタつきのないようになつている。対向辺部
9a,9aには、コイルボビン1の上下面に係合
して互いに軸方向移動を規制するための係合片1
1,11,12,12が外方へ直角に折曲して設
けられている。中央辺部9bに近い方の係合片1
2,12は、コ字状枠部9がコア挿通孔4に挿通
されるまでは、鎖線で示すように対向辺部9a,
9aに単に切込みが設けられた状態であつて、挿
通された後に実線で示すように起立状態に折曲さ
れる。またこれら係合片11,11,12,12
は、幅S方向には突出しておらず、コ字状枠部9
内に嵌入されたI形コア6と2個のO形コア7,
7とは直接的に接触するようになつている。中央
辺部9bには、その中央付近に突出片13が設け
られており、この突出片13が固定金具8の穴8
aに嵌入して固定金具8の位置規制が成されてい
る。 Referring also to FIG. 3, the mounting bracket 5 has a U-shaped frame portion 9 in the center and mounting leg portions 10 wider than the U-shaped frame portion 9 at both ends thereof. The width S of the U-shaped frame portion 9 is slightly narrower than that of the I-shaped core 6, and the distance between the outer surfaces of the opposing sides 9a and 9a is approximately the same as the width of the core insertion hole 4 of the coil bobbin 1. Although they are curved and can be inserted and removed from each other, they are designed so that there is no wobbling. Engagement pieces 1 are provided on the opposing sides 9a, 9a for engaging the upper and lower surfaces of the coil bobbin 1 to restrict mutual axial movement.
1, 11, 12, and 12 are bent outward at right angles. Engagement piece 1 closer to central side 9b
2 and 12, until the U-shaped frame portion 9 is inserted into the core insertion hole 4, the opposing sides 9a,
A notch is simply provided in 9a, and after being inserted, it is bent into an upright state as shown by the solid line. Also, these engaging pieces 11, 11, 12, 12
does not protrude in the width S direction, and the U-shaped frame portion 9
I-shaped core 6 and two O-shaped cores 7 fitted inside,
7 has come into direct contact. A protruding piece 13 is provided near the center of the central side portion 9b, and this protruding piece 13 fits into the hole 8 of the fixing fitting 8.
The position of the fixing metal fitting 8 is regulated by fitting into the hole a.
この固定金具8は、断面が略コ字状で弾力性を
有しており、O形コア7,7の各外面に弾性的に
当接し、両O形コア7,7をその間にI形コア6
を挟んで互いに引き合うようにして固定するよう
になつている。また、接着、絶縁又は防湿のため
必要に応じてニス塗りを行つてもよい。10a,
10aは取付脚部10に設けた穴である。 This fixing fitting 8 has a substantially U-shaped cross section and is elastic, and elastically abuts on each outer surface of the O-shaped cores 7, 7, and connects both the O-shaped cores 7, 7 to the I-shaped core. 6
They are designed to be fixed by sandwiching them and pulling them together. Further, varnishing may be applied as necessary for adhesion, insulation, or moisture proofing. 10a,
10a is a hole provided in the mounting leg portion 10.
以上のように構成されたトランスは、取付金具
5がコイルボビン1のコア挿通孔4内に挿通され
ており、且つコ字状枠部9内にはI形コア6が嵌
入されているので、固定力が強く、取付金具5の
みが抜け出ることがない。しかも取付金具は小型
であつて、トランスの重量及び外形寸法を小さく
することができる。係合片11,12を有してい
るので、取付金具5とコイルボビン1との固定力
は一層強固となり、長期の使用や振動、衝撃に耐
えてガタつきがない。また、係合片11,12に
よつて取付金具5とコイルボビン1との位置決め
が成されるため、組立てが行いやすいとともにI
形コア6の位置決めも行われ、コアの位置づれに
よる特性のばらつき及び磁気的歪の発生が防止さ
れる。コ字状枠部9はI形コア6の周面を覆つて
いるので磁気シールドの作用をなし、漏洩磁束を
軽減させることができる。また構造簡単で安価で
ある。 In the transformer configured as described above, the mounting bracket 5 is inserted into the core insertion hole 4 of the coil bobbin 1, and the I-shaped core 6 is fitted into the U-shaped frame 9, so that it can be fixed. The force is strong, and only the mounting bracket 5 will not fall out. In addition, the mounting bracket is small and the weight and external dimensions of the transformer can be reduced. Since the engaging pieces 11 and 12 are provided, the fixing force between the mounting bracket 5 and the coil bobbin 1 is even stronger, and it can withstand long-term use, vibration, and impact without rattling. In addition, since the mounting bracket 5 and the coil bobbin 1 are positioned by the engagement pieces 11 and 12, assembly is easy and the
The shaped core 6 is also positioned to prevent variations in characteristics and magnetic distortion due to core misalignment. Since the U-shaped frame portion 9 covers the circumferential surface of the I-shaped core 6, it acts as a magnetic shield and can reduce leakage magnetic flux. Furthermore, the structure is simple and inexpensive.
本実施例においては、係合片11,12を両対
向辺部9a,9aに設けたが、一方の対向辺部9
aのみに設けてもよく、また、取付金具5の形状
は種々変更できる。例えば取付脚部10を対向辺
部9a,9aと同方向の延長上に設けてもよく、
さらにはその端部を接続して全体として方形枠状
の取付金具としてもよい。 In this embodiment, the engaging pieces 11 and 12 are provided on both opposing sides 9a and 9a, but one opposing side 9
The mounting bracket 5 may be provided only on the mounting bracket 5, and the shape of the mounting bracket 5 can be changed in various ways. For example, the mounting leg portion 10 may be provided on an extension in the same direction as the opposing sides 9a, 9a,
Furthermore, the end portions may be connected to form a rectangular frame-shaped mounting bracket as a whole.
(考案の効果)
本考案によれば、トランスをプリント基板等に
取付けるための取付金具のコ字状枠部を3個のコ
アのうち、中央のI形コアのみに被嵌させるよう
にしたから、該取付金具の小型化が可能となり、
トランスの外形寸法及び重量を小さくすることが
できる。(Effects of the invention) According to the invention, the U-shaped frame of the mounting bracket for attaching the transformer to a printed circuit board etc. is fitted only to the central I-shaped core of the three cores. , it is possible to downsize the mounting bracket,
The external dimensions and weight of the transformer can be reduced.
また上記コ字状枠部にコイルボビン固定用係合
片を一体形成し、両O形コアを略コ字状の弾性固
定金具により挟持するようにしたから、3個のコ
アとコイルボビンとを簡単且つ確実に一体化する
ことができると共に、上記固定金具の弾性力によ
つて両O形コアとI形コアとを互いに確実に密着
させて、その間にギヤツプが生じないようにする
ことができ、磁気漏洩を最小限におさえることが
できる。 In addition, since an engaging piece for fixing the coil bobbin is integrally formed on the U-shaped frame, and both O-shaped cores are held between the substantially U-shaped elastic fixing fittings, the three cores and the coil bobbin can be easily and easily attached. Not only can they be reliably integrated, but also the elastic force of the fixing metal fittings can ensure that both O-shaped cores and I-shaped cores are brought into close contact with each other, so that no gaps occur between them, and the magnetic Leakage can be kept to a minimum.
図面は本考案の実施例であつて、第1図は一方
のO形コアを取外しかつ一部断面を行つた正面
図、第2図は第1図の−線断面矢視図、第3
図は取付金具の斜視図である。
1…コイルボビン、4…コア挿通孔、5…取付
金具、6…I形コア、7…O形コア、8…固定金
具、9…コ字状枠部、10…取付脚部、11,1
2…係合片。
The drawings show an embodiment of the present invention, in which Fig. 1 is a front view with one O-shaped core removed and partially cut away, Fig. 2 is a cross-sectional view taken along the - line in Fig. 1, and Fig. 3 is a cross-sectional view taken along the line -
The figure is a perspective view of the mounting bracket. DESCRIPTION OF SYMBOLS 1... Coil bobbin, 4... Core insertion hole, 5... Mounting bracket, 6... I-shaped core, 7... O-shaped core, 8... Fixing bracket, 9... U-shaped frame, 10... Mounting leg, 11, 1
2...Engagement piece.
Claims (1)
その両端部がコイルボビンから突出するように挿
入し、上記コイルボビンに2個のO形コアをI形
コアを挟むようにして外嵌させてなるトランスに
おいて、上記コア挿通孔に挿通され、且つI形コ
アに被嵌するコ字状枠部と、該コ字状枠部の両端
部に一体形成された取付脚部とからなる取付金具
を設けると共に、上記コ字状枠部にコイルボビン
固定用係合片を一体形成し、前記両O形コアを略
コ字状の弾性固定金具により挟持してなるトラン
ス。 In a transformer, an I-shaped core is inserted into a core insertion hole of a coil bobbin so that both ends thereof protrude from the coil bobbin, and two O-shaped cores are fitted onto the coil bobbin so as to sandwich the I-shaped core, A mounting bracket is provided, which includes a U-shaped frame portion inserted into the core insertion hole and fitted onto the I-shaped core, and mounting legs integrally formed at both ends of the U-shaped frame portion; A transformer in which an engagement piece for fixing a coil bobbin is integrally formed on a U-shaped frame portion, and both O-shaped cores are held between substantially U-shaped elastic fixing fittings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12786683U JPS6035521U (en) | 1983-08-17 | 1983-08-17 | Trance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12786683U JPS6035521U (en) | 1983-08-17 | 1983-08-17 | Trance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6035521U JPS6035521U (en) | 1985-03-11 |
JPH0214185Y2 true JPH0214185Y2 (en) | 1990-04-18 |
Family
ID=30290268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12786683U Granted JPS6035521U (en) | 1983-08-17 | 1983-08-17 | Trance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6035521U (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56172920U (en) * | 1980-05-22 | 1981-12-21 |
-
1983
- 1983-08-17 JP JP12786683U patent/JPS6035521U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6035521U (en) | 1985-03-11 |
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