JPS61105808A - Electromagnetic device - Google Patents

Electromagnetic device

Info

Publication number
JPS61105808A
JPS61105808A JP22747284A JP22747284A JPS61105808A JP S61105808 A JPS61105808 A JP S61105808A JP 22747284 A JP22747284 A JP 22747284A JP 22747284 A JP22747284 A JP 22747284A JP S61105808 A JPS61105808 A JP S61105808A
Authority
JP
Japan
Prior art keywords
fitting
terminal pin
protective case
insulating protective
transformer
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
Application number
JP22747284A
Other languages
Japanese (ja)
Inventor
Katsumi Tsuji
辻　勝美
Satoshi Umehara
梅原　佐登志
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP22747284A priority Critical patent/JPS61105808A/en
Publication of JPS61105808A publication Critical patent/JPS61105808A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H01F2005/043—Arrangements of electric connections to coils, e.g. leads having multiple pin terminals, e.g. arranged in two parallel lines at both sides of the coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

PURPOSE:To need no fitting screw for a device and simplify a fitting work by embedding this embedding projection into a concave portion of a top face of a fitting boss in a device body through providing both sides of insulating protective case with the embedding projection. CONSTITUTION:When a coil 2 is wound on a coil bobbin 1 in which a terminal pin 3 is fixed in a body and soldered to the terminal pin 3, an iron core 4 of silicon steel plate is installed and a transformer body A is assembled, and then, this transformer body A is accommodation-fixed to an insulating protective case 9 of resin molding and the terminal pin 3 is vertically projected from a bottom face of the insulating protective case 9. After fitting pieces 9a are built 8in both sides of the bottom of the insulating protective case 9, a projection 9b is built in the fitting piece 9a in a backward direction of the terminal pin 3. The projection 9b is embedded in a concave portion 12b of a top face of a fitting boss 12a built in an inside face of a device body 12. Therefore, it is fixed to the device body 12 without any fitting screw, a fitting work is simplified and a cost of the device is reduced.

Description

【発明の詳細な説明】 産業上の利用分野 この発明は、民生用、産業用電子機器等に使用されるト
ランス等の電磁装置に関するもので、その実装に係るも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to electromagnetic devices such as transformers used in consumer and industrial electronic equipment, and relates to their implementation.

従来例の構成とその問題点 近年、ピン端子方式による小形軽量のトランスは、プリ
ン１〜配線板に自立させられ、半田固定される中、自重
および取付方向によって、１〜ランス全体の荷重がピン
◇；ｈ子に集中してピン端子に大きな負担がかかるとと
もにプリント配線板に局部的に負担がかかり、トランス
におりる断線やプリント配線板における銅箔の浮き、剥
れなどが生しるおそれがあり、これらの対策として従来
からトランス本体を成形品からなる絶縁保護ケースに収
容し、この絶縁保護ケースを締結ねじによって機器にね
し止め固定するようになっている。Conventional structure and problems In recent years, small and lightweight transformers using the pin terminal method are made to stand on their own on the wiring board and are fixed by soldering. ◇; A large load is concentrated on the pin terminal, and a local load is placed on the printed wiring board, which may cause wire breakage in the transformer or lifting or peeling of the copper foil on the printed wiring board. As a countermeasure against these problems, the transformer body has conventionally been housed in an insulated protective case made of a molded product, and this insulated protective case has been fixed to the equipment using fastening screws.

以下、従来のトランスを図面に基づいて説明する。第７
図は従来のトランスの分解斜視図、第８図はその組立状
態の斜視図、第９図は機器に取（＝Ｊけた状態の正面図
である。Hereinafter, a conventional transformer will be explained based on the drawings. 7th
The figure is an exploded perspective view of a conventional transformer, FIG. 8 is a perspective view of the assembled state, and FIG. 9 is a front view of the equipment.

このトランスは、第７図および第８図に示すように端子
ビン３を一体固定したコイルボビン１に巻線２を巻装し
て端子ビン３に半田付接続するとともにケイ素鋼板から
なる鉄心４を装着してトランス本体八を構成し、このト
ランス本体Δを樹脂成形品からなる絶縁保護ケース５に
収容固定している。As shown in FIGS. 7 and 8, a winding 2 is wound around a coil bobbin 1 to which a terminal pin 3 is integrally fixed, and a winding 2 is connected to the terminal pin 3 by soldering, and an iron core 4 made of a silicon steel plate is attached. This constitutes a transformer body 8, and this transformer body Δ is housed and fixed in an insulating protective case 5 made of a resin molded product.

この絶縁保護ケース５は、上記の端子ピン３を底面より
突出させるようになっており、底部両側には取イ」片５
ａが突設してあり、取付片５ａには貫通孔５ｂを設けて
いる。なお、第１０図は絶縁保護ケース５の別の例を示
している。This insulating protection case 5 has the terminal pins 3 protruding from the bottom, and has a recessed piece 5 on both sides of the bottom.
a is provided in a protruding manner, and the mounting piece 5a is provided with a through hole 5b. Note that FIG. 10 shows another example of the insulation protection case 5.

このトランスは、第９図に示すように、プリント配線板
６に載置した端子ピン３を銅箔に半田付した状態で、機
器本体８の取付用ボス８ａにプリント配線板６を介して
載せ、ねじ７を取イ」片５ａを通して取付用ボス８ａに
ねし込むことにより、機器本体８に固定される。As shown in FIG. 9, this transformer is mounted on a mounting boss 8a of the main body 8 of the device via the printed wiring board 6, with the terminal pins 3 placed on the printed wiring board 6 soldered to copper foil. It is fixed to the main body 8 of the device by screwing the screw 7 into the mounting boss 8a through the piece 5a.

しかし、このような従来のトランスは、機器本体８への
固定のために締結用のねじ７が必要であるとともに、ね
じ７の締めつけ作業が必要であり、機器がコスト高とな
る欠点があった。However, such a conventional transformer requires fastening screws 7 to be fixed to the device body 8, and also requires work to tighten the screws 7, which has the disadvantage of increasing the cost of the device. .

発明の目的 この発明は、機器への取付用のねじが不要で、取付作業
を簡略化できて、機器のコストを下げることができる電
磁装置を提供することを目的とす発明の構成 この発明の電磁装置は、端子ピンを一体固定したコイル
ボビンと、このコイルボビンに巻装した巻線と、前記コ
イルボビンに装着した鉄心とで構成される電磁装置本体
と、この電磁装置本体を収容固定し底面より前記端子ピ
ンを垂直に突出させる絶縁保護ケースと、この絶縁保護
ケースの両側に前記端子ピンと平行に突設した嵌込用突
起とを備え、前記嵌込用突起を機器本体の内面に突設し
た取付用ボスの頂部の凹部に嵌込むようにしたものであ
る。Purpose of the Invention The purpose of the present invention is to provide an electromagnetic device that does not require screws for attachment to equipment, can simplify the installation work, and can reduce the cost of the equipment. The electromagnetic device includes a main body of the electromagnetic device, which is composed of a coil bobbin to which a terminal pin is integrally fixed, a winding wound around the coil bobbin, and an iron core attached to the coil bobbin. A mounting device comprising: an insulating protective case from which a terminal pin protrudes vertically; and fitting protrusions protruding from both sides of the insulating protective case in parallel with the terminal pins, the fitting protrusions protruding from the inner surface of the device body. It is designed to fit into the recess at the top of the service boss.

このように、絶縁保護ケースの両側に嵌込用突起を設け
、この嵌込用突起を機器本体の取イ」用ボスの頂面の四
部に嵌込むようにすると、機器本体にねじを必要とせず
に固定することができ、取付作業が簡略化され、機器の
コストを下げることができる。In this way, by providing fitting protrusions on both sides of the insulation protection case and fitting the fitting protrusions into the four parts on the top surface of the removal boss on the device body, it is possible to eliminate the need for screws on the device body. This simplifies the installation process and reduces equipment costs.

実施例の説明 この発明の一実施例を第１図ないし第３図に基づいて説
明する。第１図は実施例の分解斜視図、第２図はその組
立状態の斜視図、第３図は機器に取付けた状態の正面図
である。DESCRIPTION OF THE EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 3. FIG. 1 is an exploded perspective view of the embodiment, FIG. 2 is a perspective view of the assembled state, and FIG. 3 is a front view of the mounted state.

このトランスは、第１図および第２図に示すように、端
子ピン３を一体固定したコイルボビン１に巻線２を巻装
して端子ピン３に半田付接続するとともにケイ素鋼板か
らなる鉄心４を装着してトランス本体Ａを構成し、この
トランス本体Ａを樹脂成形品からなる絶縁保護ケース９
に収容固定してあり、端子ピン３が絶縁保護ケース９の
底面より垂直に突出している。As shown in FIGS. 1 and 2, this transformer consists of a coil bobbin 1 with a terminal pin 3 fixed thereon, a winding 2 wound around the coil bobbin 1, which is connected to the terminal pin 3 by soldering, and an iron core 4 made of a silicon steel plate. The transformer body A is attached to an insulating protective case 9 made of a resin molded product.
The terminal pin 3 protrudes perpendicularly from the bottom surface of the insulation protection case 9.

上記絶縁保護ケース９は、底部両側に取イ」片９ａを突
設してあり、さらに取付片９ａに突起９ｂを端子ピン３
と逆方向に突設している。The insulating protective case 9 has a protruding piece 9a on both sides of the bottom, and a protrusion 9b on the mounting piece 9a for connecting the terminal pin 3.
It protrudes in the opposite direction.

このトランスは、第３図に示すように、プリント配線板
６に載置して端子ピン３を銅箔に半田付した状態で成形
品からなる機器本体１２に突設した取付用ボス１２ａの
頂面の凹部１２ｂに突起９ｈを嵌込むことにより、機器
本体１２に固定される。As shown in FIG. 3, this transformer is mounted on a printed wiring board 6 with terminal pins 3 soldered to copper foil, and is installed at the top of a mounting boss 12a that protrudes from a device body 12 made of a molded product. It is fixed to the device main body 12 by fitting the protrusion 9h into the recess 12b of the surface.

このように、この実施例は、トランス本体Ａを収容固定
する絶縁保護ケース９の両側に嵌込用の突起９ｂを設け
、この突起９ｂを機器本体１２の内面に突設した取付用
ボス１２ａの頂面の凹部１２ｂに嵌込むようにしたため
、締結用のねじを必要とせずに機器本体１２に固定する
ことかでさ、て取付作業を簡略化することができ、機器
のコストを下げることができる。As described above, in this embodiment, fitting protrusions 9b are provided on both sides of the insulating protection case 9 that accommodates and fixes the transformer main body A, and the protrusions 9b are attached to the mounting bosses 12a that protrude from the inner surface of the device main body 12. Since it is fitted into the recess 12b on the top surface, it can be fixed to the device main body 12 without the need for fastening screws, which simplifies the installation work and reduces the cost of the device. can.

この発明の他の実施例を第４図ないし第６図に基づいて
説明する。第４図は絶縁保護ケースの斜視図、第５図は
トランスの組立状態の斜視図、第６図は機器に取付けた
状態の斜視図である。Another embodiment of the invention will be described based on FIGS. 4 to 6. FIG. 4 is a perspective view of the insulation protection case, FIG. 5 is a perspective view of the transformer in an assembled state, and FIG. 6 is a perspective view of the transformer installed in a device.

このトランスは、突起９ｂを前記実施例と逆方向、すな
わち、端子ピン３の突出方向と同し方向に設けたもので
、その他は前述の実施例と同様である。This transformer is similar to the previous embodiment except that the protrusion 9b is provided in the opposite direction to that of the previous embodiment, that is, in the same direction as the terminal pin 3 protruding direction.

このトランスは、第６図に示すように、端子ピン３およ
び突起９ｂをプリント配線板６に貫通させた状態でプリ
ント配線板６に載置して端子ピン３を銅箔に半田付し、
この状態で、突起９ｂを機器本体１３の内面の取付用ボ
ス１３ａの頂面の凹部に嵌込むととに、機器本体１３の
内面に設けたボス１３ｃで突片９ａを押さえることによ
り、機器本体１３に固定される。As shown in FIG. 6, this transformer is mounted on a printed wiring board 6 with the terminal pins 3 and protrusions 9b passing through the printed wiring board 6, and the terminal pins 3 are soldered to copper foil.
In this state, when the protrusion 9b is fitted into the recess on the top surface of the mounting boss 13a on the inner surface of the device body 13, the boss 13c provided on the inner surface of the device body 13 presses the protrusion 9a. It is fixed at 13.

この実施例の効果は、前述の実施例と同様である。The effects of this embodiment are similar to those of the previous embodiment.

なお、上記の実施例はトランスについて述べたものであ
るが、この発明は、トランス以外に、チョークコイル等
種々の電磁装置に適用できるものである。Although the above embodiments have been described with respect to transformers, the present invention can be applied to various electromagnetic devices such as choke coils in addition to transformers.

発明の効果 この発明の電磁装置は、絶縁保護ケースの両側に嵌込用
突起を設け、この嵌込用突起を機器本体の取付用ボスの
頂面の凹部に嵌込むようにしたため、機器本体にねじを
必要とせずに固定することができ、取付作業が節略化さ
れ、機器のコストを下げることができる。また、ねじを
使用しないため、機器本体側およびトランス側の双方が
成形品からなり、寸法精度も高くなり、取付構造として
信頼性の高いものとなる。Effects of the Invention The electromagnetic device of the present invention has fitting protrusions on both sides of the insulating protection case, and these fitting protrusions are fitted into the recesses on the top surface of the mounting boss of the device body. It can be fixed without the need for screws, which simplifies installation work and reduces equipment costs. Furthermore, since no screws are used, both the device body side and the transformer side are made of molded parts, resulting in high dimensional accuracy and a highly reliable mounting structure.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの発明の一実施例のトランスの分解斜視図、
第２図はその組立状態の斜視図、第３図は機器に取付け
た状態の正面図、第４図はこの発明の他の実施例におけ
る絶縁保護ケースの斜視図、第５図はトランスの組立状
態の斜視図、第６図は機器に取付けた状態の正面図、第
７図は従来のトランスの分解斜視図、第８図はその組立
状態の斜視図、第９図は機器に取付けた状態の正面図、
第１０図は別の絶縁保護ケースの斜視図である。 Ａ・・・トランス本体（電磁装置本体）、■・・・コイ
ルボビン、２・・・巻線、３・・・端子ビン、４・・・
鉄心、９・・・絶縁保護ケース、９ａ・・・突片、９ｂ
・・・ＮｉＪ！！孔、１２・・・機器本体、１２ａ・・
・取付用ボス、１２ｂ・・・凹部 ＝３１FIG. 1 is an exploded perspective view of a transformer according to an embodiment of the present invention.
Fig. 2 is a perspective view of the assembled state, Fig. 3 is a front view of the state installed in the equipment, Fig. 4 is a perspective view of the insulation protection case in another embodiment of the present invention, and Fig. 5 is the assembly of the transformer. Figure 6 is a front view of the transformer installed in the equipment, Figure 7 is an exploded perspective view of a conventional transformer, Figure 8 is a perspective view of the assembled transformer, and Figure 9 is the transformer installed in the equipment. front view of,
FIG. 10 is a perspective view of another insulation protection case. A...Transformer body (electromagnetic device body), ■...Coil bobbin, 2...Winding, 3...Terminal bin, 4...
Iron core, 9...Insulation protection case, 9a...Protrusion piece, 9b
...NiJ! ! Hole, 12...Device body, 12a...
・Mounting boss, 12b... recess = 31

Claims (1)

【特許請求の範囲】[Claims] 端子ピンを一体固定したコイルボビンと、このコイルボ
ビンに巻装した巻線と、前記コイルボビンに装着した鉄
心とで構成される電磁装置本体と、この電磁装置本体を
収容固定し底面より前記端子ピンを垂直に突出させる絶
縁保護ケースと、この絶縁保護ケースの両側に前記端子
ピンと平行に突設した嵌込用突起とを備え、前記嵌込用
突起を機器本体の内面に突設した取付用ボスの頂部の凹
部に嵌込むようにした電磁装置。An electromagnetic device main body is composed of a coil bobbin with a terminal pin integrally fixed thereto, a winding wound around the coil bobbin, and an iron core attached to the coil bobbin. an insulating protective case that protrudes from the terminal pin; and a fitting protrusion that protrudes from both sides of the insulating protective case in parallel with the terminal pin; An electromagnetic device that fits into a recess.
JP22747284A 1984-10-29 1984-10-29 Electromagnetic device Pending JPS61105808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22747284A JPS61105808A (en) 1984-10-29 1984-10-29 Electromagnetic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22747284A JPS61105808A (en) 1984-10-29 1984-10-29 Electromagnetic device

Publications (1)

Publication Number Publication Date
JPS61105808A true JPS61105808A (en) 1986-05-23

Family

ID=16861414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22747284A Pending JPS61105808A (en) 1984-10-29 1984-10-29 Electromagnetic device

Country Status (1)

Country Link
JP (1) JPS61105808A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6331512U (en) * 1986-08-18 1988-03-01
JPH028009U (en) * 1988-06-23 1990-01-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6331512U (en) * 1986-08-18 1988-03-01
JPH028009U (en) * 1988-06-23 1990-01-18

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