JPH0341224A - Electromagnetic coupling device - Google Patents
Electromagnetic coupling deviceInfo
- Publication number
- JPH0341224A JPH0341224A JP1172950A JP17295089A JPH0341224A JP H0341224 A JPH0341224 A JP H0341224A JP 1172950 A JP1172950 A JP 1172950A JP 17295089 A JP17295089 A JP 17295089A JP H0341224 A JPH0341224 A JP H0341224A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- yoke
- terminal block
- excitation coil
- coil bobbin
- 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
Links
- 230000008878 coupling Effects 0.000 title claims description 19
- 238000010168 coupling process Methods 0.000 title claims description 19
- 238000005859 coupling reaction Methods 0.000 title claims description 19
- 238000004804 winding Methods 0.000 claims abstract description 48
- 238000012856 packing Methods 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims description 68
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 241001247986 Calotropis procera Species 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241001415801 Sulidae Species 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
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
- F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D2027/001—Means for electric connection of the coils of the electromagnetic clutches
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Electromagnets (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、励磁コイルの励磁、非励磁により回転トルク
の伝達や回転体の制動を断接する電磁連結装置、特に励
磁コイルが内設されたヨークとこのヨークの背面に固定
された樹脂材製の端子台とからなる電磁石を備えた電磁
連結装置に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an electromagnetic coupling device that connects and disconnects rotational torque transmission and braking of a rotating body by energizing and de-energizing an excitation coil, particularly an electromagnetic coupling device in which an excitation coil is installed. The present invention relates to an electromagnetic coupling device equipped with an electromagnet consisting of a yoke and a terminal block made of a resin material fixed to the back surface of the yoke.
例えば自動車用冷房装置としての冷媒圧縮機に装着され
る電磁連結装置としての電磁クラッチにおいては、ヨー
クの背面に固定された樹脂材製の端子台内に一対の端子
がインサート成形されており、これらの端子を介して、
励磁コイルと外部の電気回路とが接続されている。For example, in an electromagnetic clutch as an electromagnetic coupling device installed in a refrigerant compressor as an automobile cooling device, a pair of terminals are insert-molded in a resin terminal block fixed to the back of a yoke. Through the terminal of
The excitation coil and an external electric circuit are connected.
この種の−ｉ ［連結装置としては例えば実公昭５７−
２６９８０号公報に開示されているものが知られており
、第７図はこの電磁連結装置に設けられた電磁石の縦断
面図である。図において、電磁石ｌは環状溝２ａを有す
るヨーク２を備えていて、その環状溝２ａ内には、断面
コ字形環状のコイルボビン３に巻回された励磁コイル４
が内設されており、また、環状溝２ａの底部に穿設され
たＬＴ通ＪＬ２ｂに臨むコイルボビン３の孔３ａからは
、励はコイル４の巻始め２巻終わり両端部５が外部に引
き出されている。６は樹脂材により箱状に形成されてそ
の突出状開口部６ａを前記貫通孔２ｂに嵌着された端子
台であって、取付は板７の凹溝７ａに嵌合されており、
凹溝７ａ部分に形成された図示しない切り起こし片によ
りヨーク２の背面に固定されている。そして、貫通孔２
ｂから引き出された励磁コイル４の巻始め１巻終わり両
端部５は、端子台６内に引き込まれている。また、端子
台６内には一対の端子８がインサート成形により一体形
成されており、端子台６内へ引き込まれた励磁コイル４
の巻始め１巻終わり両端部５は、一対の端子８にそれぞ
れかしめ固定されていて、同しく一対の端子にかしめ固
定されたリード線９と電気接続されている。このように
構成されたコイルボビン３や端子台６は、環状溝２ａの
開口部に形成されたかしめ片１０と、前記凹溝７ａ部分
に形成された図示しないかしめ片とにより固定されてい
るとともに、図に符号Ａで示す励磁コイル４の外部への
露呈部分や、図に符号Ｂで示す端子台６内へ引き込まれ
た励磁コイル４の巻始め２巻終わり両端部５と端子８と
の結線部分、および図に符号Ｃで示すヨーク２の貫通孔
２ｂ内には、樹脂１１が充填されており、励磁コイル４
や結線部分の絶縁不良や断線が防止されるように構成さ
れている。This type of -i [For example, as a coupling device,
A device disclosed in Japanese Patent No. 26980 is known, and FIG. 7 is a longitudinal sectional view of an electromagnet provided in this electromagnetic coupling device. In the figure, an electromagnet l is equipped with a yoke 2 having an annular groove 2a, and in the annular groove 2a, an excitation coil 4 is wound around a coil bobbin 3 having an annular U-shaped cross section.
The coil bobbin 3 has a hole 3a bored at the bottom of the annular groove 2a that faces the LT passage JL2b, and the excitation is carried out from the coil 4 at the beginning, second winding, and both ends 5 to the outside. ing. Reference numeral 6 denotes a terminal block formed in a box shape from a resin material, whose protruding opening 6a is fitted into the through hole 2b, and the terminal block is fitted into a groove 7a of a plate 7.
It is fixed to the back surface of the yoke 2 by a cut-and-raised piece (not shown) formed in the groove 7a. And through hole 2
The beginning and end of the first winding and both ends 5 of the excitation coil 4 pulled out from the terminal block 6 are drawn into the terminal block 6. Furthermore, a pair of terminals 8 are integrally formed within the terminal block 6 by insert molding, and an excitation coil 4 drawn into the terminal block 6
The beginning, end and end portions 5 of the first winding are respectively caulked and fixed to a pair of terminals 8, and are electrically connected to a lead wire 9 which is also caulked and fixed to the pair of terminals. The coil bobbin 3 and terminal block 6 configured in this manner are fixed by a caulking piece 10 formed at the opening of the annular groove 2a and a caulking piece (not shown) formed at the groove 7a, and The exposed part of the excitation coil 4 to the outside, indicated by the symbol A in the figure, and the connection part between the terminal 8 and the beginning and end of the second winding of the excitation coil 4 drawn into the terminal block 6, indicated by the symbol B in the figure. , and the through hole 2b of the yoke 2 indicated by the symbol C in the figure is filled with resin 11, and the excitation coil 4
It is constructed to prevent poor insulation and disconnection of the wires and wire connections.
このように構成されていることにより、励磁コイル４が
巻回されたコイルボビン３をヨーク２の環状溝２ａ内へ
遊嵌し、励磁コイル４の巻始め。With this configuration, the coil bobbin 3 around which the excitation coil 4 is wound is loosely fitted into the annular groove 2a of the yoke 2, and the winding of the excitation coil 4 is started.
巻終わり両端部５を端子台６内へ取り出して端子８と接
続したのち、励磁コイル４の外部への露呈部分Ａや、端
子台６内へ引き込まれた励磁コイル４の巻始め２巻終わ
り両端部５と端子８との結線部分Ｂ、およびヨーク２の
貫通孔２ｂ内Ｃに、樹脂ＩＩを疏し込むことにより、励
磁コイル４がヨーク２の環状溝２ａ内に絶縁固定される
。After taking out both end portions 5 of the winding end into the terminal block 6 and connecting them to the terminals 8, the exposed portion A of the excitation coil 4 to the outside and both ends of the winding start and end of the excitation coil 4 drawn into the terminal block 6 are removed. The excitation coil 4 is insulated and fixed within the annular groove 2a of the yoke 2 by inserting resin II into the connection portion B between the portion 5 and the terminal 8 and the inside C of the through hole 2b of the yoke 2.
［発明が解法しようとする課題］
しかしながら、このような従来の電磁連結装置において
は、上記のように、励磁コイル４の露出部Ａや、この励
磁コイル４の巻始め１巻終わり両端部５と端子８との結
線部分Ｂ、およびヨーク２の貫通孔２ｂ内Ｃに、絶縁不
良や振動等による断線を防止するための樹脂１１を流し
込んでおり、生産工程中にこのような注型作業があるこ
とにより、その作業に長時間を要して生産性が低下し、
労力の負担が大きいという問題があった。[Problem to be Solved by the Invention] However, in such a conventional electromagnetic coupling device, as described above, the exposed portion A of the excitation coil 4, the end portions 5 of the excitation coil 4 at the beginning of the first turn, and both ends 5 of the excitation coil 4, Resin 11 is poured into the connection part B with the terminal 8 and the inside C of the through hole 2b of the yoke 2 to prevent wire breakage due to poor insulation or vibration, and such casting work is performed during the production process. As a result, the work takes a long time and productivity decreases.
There was a problem that the labor burden was large.
本発明は以上のような点に鑑みなされたもので、樹脂の
注入作業を行うことなく絶縁不良や振動等による断線を
防止することを可能にして生産性の向上を計った電磁連
結装置を提供することを目的としている。The present invention has been made in view of the above points, and provides an electromagnetic coupling device that improves productivity by making it possible to prevent wire breakage due to poor insulation or vibration without injecting resin. It is intended to.
このような目的を達成するために本発明では、コイルボ
ビンを接合可能な２部材に分割して全体を中空環状に形
成し、その中空部内に前記励磁コイルを巻回して配設す
るとともに、前記コイルボビンに形成した円筒状開口部
を前記ヨークの環状溝底部に穿設した貫通孔内に挿入し
、この円筒状開口部から前記励磁コイルの巻始め２巻終
わり両端部を前記端子台内に引き込んだ。In order to achieve such an object, in the present invention, a coil bobbin is divided into two joinable members to form a hollow annular shape as a whole, and the excitation coil is wound and arranged in the hollow part, and the coil bobbin is A cylindrical opening formed in the yoke was inserted into a through hole bored at the bottom of the annular groove of the yoke, and the beginning, second winding, and both ends of the excitation coil were drawn into the terminal block through the cylindrical opening. .
また、ヨークに穿設した貫通孔に、前記端子台の筐体底
部に形成された突出状開口部を嵌合してこの筐体を位置
合わせするとともに、この筐体を、前記ヨークの背面に
溶着された取付は板の切り起こし片で前記ヨークの背面
に固定してこの筐体上部の開口に弾性材製パツキンを介
し蓋体を圧入嵌合し、前記突出状開口部から引き込まれ
た前記巻始め２巻終わり両端部と前記端子台内の一対の
端子との結線部分を外部に対し遮断した。Further, the projecting opening formed at the bottom of the housing of the terminal block is fitted into the through hole drilled in the yoke to align the housing, and the housing is attached to the back surface of the yoke. The welded mounting is fixed to the back surface of the yoke using a cut and raised piece of the plate, and the lid body is press-fitted into the opening at the top of this housing through an elastic gasket, and the lid body that is pulled in from the protruding opening is The connection portion between the beginning of the winding, the end of the second winding, both ends and the pair of terminals in the terminal block was isolated from the outside.
さらに、励磁コイルの巻始め、終わり両端部が引き出さ
れる円筒状開口部を前記コイルボビンに形成し、前記ヨ
ークに穿設された貫通孔と嵌合して前記巻始め５巻終わ
り両端部が引き込まれる突出状開口部を前記端子台の底
部に形成するとともに、この円筒状開口部を、前記突出
状開口部内にゴムブツシュを介して圧入固定した。Further, a cylindrical opening is formed in the coil bobbin through which both ends of the excitation coil are pulled out at the beginning and end of the winding, and the opening is fitted into a through hole drilled in the yoke so that both ends of the excitation coil are pulled in at the end of the fifth winding. A protruding opening was formed at the bottom of the terminal block, and the cylindrical opening was press-fitted into the protruding opening via a rubber bushing.
コイルボビンを２部材に分割して全体を中空環状に形成
し、この中空部に励磁コイルを配設することにより防水
対策が構しられているので、巻回された励磁コイルの外
部から水分が侵入することがなく、絶縁不良が発生しな
い。The coil bobbin is divided into two parts and the whole is formed into a hollow annular shape, and the excitation coil is placed in this hollow part to prevent moisture from entering from the outside of the wound excitation coil. No insulation defects occur.
また、端子台の筐体に弾性材製のパツキンを介挿して蓋
体を圧入嵌合することにより防水対策が構じられている
ので、励磁コイルの巻始め１巻終わり両端部と端子台内
の一対の端子との結線部に絶縁不良が発生しない。In addition, waterproof measures are taken by inserting elastic gaskets into the housing of the terminal block and press-fitting the cover body, so that both ends of the excitation coil at the beginning and end of the first winding and inside the terminal block No insulation defects occur at the connection between the pair of terminals.
さらに、ヨークの底部に穿設された貫通孔内において、
コイルボビンの円筒状開口部と端子台の突出開口部をゴ
ムブツシュを介して嵌合したことにより、貫通孔から水
分が侵入せず、絶縁不良が防止される。Furthermore, in the through hole drilled at the bottom of the yoke,
By fitting the cylindrical opening of the coil bobbin and the protruding opening of the terminal block through the rubber bushing, moisture does not enter through the through hole, thereby preventing insulation failure.
そして、このような防水対策を構しるにあたり、コイル
ボビンの円筒状開口部と端子台の筐体に形成された突出
部とが、ヨークの底部に穿設された貫通孔内に嵌合され
ることにより、これらコイルボビンと筐体とが回り止め
され、かつヨークのかしめ片やヨークに溶着された取付
は板の切り起こし片により抜は止めするという防振対策
が構しられているので、励磁コイルやその巻始め１巻終
わり両端部と端子との結線部分の断線が防止される。In order to implement such waterproof measures, the cylindrical opening of the coil bobbin and the protrusion formed on the housing of the terminal block are fitted into the through hole bored in the bottom of the yoke. As a result, the coil bobbin and the casing are prevented from rotating, and vibration-proofing measures have been taken in which the yoke caulking piece and the mounting welded to the yoke are prevented from being removed by cutting and raising pieces of the plate. Disconnection of the coil and the connection portions between the coil, the beginning, the end of the first winding, and both ends of the coil and the terminal is prevented.
第１図ないし第５図は本発明に係る電磁連結装置を圧縮
機の電磁クラッチに適用した例を示し。1 to 5 show examples in which the electromagnetic coupling device according to the present invention is applied to an electromagnetic clutch of a compressor.
第１図は電磁フランチの縦断面図、第２図は同しく側面
図、第３図は電磁石の縦断面図、第４図（ａ）。FIG. 1 is a longitudinal sectional view of the electromagnetic flange, FIG. 2 is a side view thereof, FIG. 3 is a longitudinal sectional view of the electromagnet, and FIG. 4(a).
（ｂ）はコイルボビンの縦断面図、第５図（ａ）は蓋体
を除いて示す端子台の平面図、第５図（ｂ）は同じく正
面図、第５図（Ｃ）は同じく底面図である。(b) is a vertical cross-sectional view of the coil bobbin, FIG. 5(a) is a plan view of the terminal block with the lid removed, FIG. 5(b) is a front view, and FIG. 5(C) is a bottom view. It is.
図において、電磁フランチ】２は、図示しない圧縮機の
ハウジングに取付は板１３を介し固定されたヨーク１４
を備えていて、このヨーク１４は、断面コ字形の環状に
形成されており、このヨークＩ４の環状溝１４ｄ内には
、励磁コイル１５が後述するコイルボビンに巻回されて
内設されている。In the figure, an electromagnetic flange] 2 is a yoke 14 fixed to a housing of a compressor (not shown) via a plate 13.
The yoke 14 is formed in an annular shape with a U-shaped cross section, and an excitation coil 15 is wound around a coil bobbin and installed inside the annular groove 14d of the yoke I4.
また、ハウジングの円筒部１６には、ヨーク１４に開口
側から遊装状態で被冠された環状溝１７ａを有するロー
タ１７が、軸受１８を介して回転自在かつ軸方向への移
動を規制されて支持されている。一方、圧縮機に設けら
れた円筒部１６を貫通する駆動軸１９の先端部には、鍔
付き円筒状に形成されたハブ２０が軸着されてポルト２
１で駆動軸１９に固定されており、このハブ２０に鋲着
された板ばね２２には、全体を輪板状に形成されたアー
マチュア２３がＦ！ｌ擦面２３ａをロータ１７の摩擦面
１７ｂに対向させて鋲着されている。Further, in the cylindrical portion 16 of the housing, a rotor 17 having an annular groove 17a that is loosely crowned by the yoke 14 from the opening side is rotatable via a bearing 18 and is restricted from moving in the axial direction. Supported. On the other hand, a hub 20 formed in a cylindrical shape with a flange is attached to the tip of a drive shaft 19 that passes through a cylindrical portion 16 provided in the compressor.
1 is fixed to the drive shaft 19, and the leaf spring 22 riveted to the hub 20 has an armature 23 formed entirely in the shape of a ring plate. The rotor 17 is riveted with the friction surface 23a facing the friction surface 17b of the rotor 17.
アーマチュア２３は、環状のすき間２４を隔てて同心状
に配設された外側リング部材２３ｂと内側リング部材２
３ｃとで形成されており、内側すング部材２３ｃとハブ
２０の鍔２０ａとの間には、ストンパゴム２５が介挿さ
れて挟持されている。The armature 23 includes an outer ring member 23b and an inner ring member 2 that are arranged concentrically with an annular gap 24 in between.
3c, and a stomper rubber 25 is inserted and held between the inner tongue member 23c and the flange 20a of the hub 20.
すなわち、アーマチュア２３は板ばね２２によりハブ２
０に弾持されており、ロータ１７とアーマチュア２３と
の間には、図に符号Ｇで示すすき間が形成されている。That is, the armature 23 is connected to the hub 2 by the leaf spring 22.
A gap is formed between the rotor 17 and the armature 23, which is indicated by the symbol G in the figure.
２６はロータ１７の外周に嵌合されて溶着されたブーり
であって、自動車エンジンのクランク軸上に設けられた
プーリとヘルドで駆動連結されており、エンジン側から
駆動されて回転するように構成されている。２７はヨー
ク１４とともに電磁石２８を構成する端子台（後述）で
あって、励磁コイル１５を、この端子台２７を介して外
部の霊気回路の０Ｎ−ＯＦＦ制御により通電すると、発
生する磁束により、アーマチュア２３がロータ１７に吸
着されて、ロータ１７の回転がアーマチュア２３と板ば
ね２２およびハブ２０を介して駆動軸１９に伝達される
ように構成されている。Reference numeral 26 denotes a booby fitted and welded to the outer periphery of the rotor 17, which is drivingly connected to a pulley provided on the crankshaft of the automobile engine by a heddle, so that it is rotated by being driven from the engine side. It is configured. 27 is a terminal block (described later) that constitutes an electromagnet 28 together with the yoke 14. When the excitation coil 15 is energized via the terminal block 27 by ON-OFF control of an external spiritual circuit, the generated magnetic flux causes the armature to 23 is attracted to the rotor 17, and the rotation of the rotor 17 is transmitted to the drive shaft 19 via the armature 23, the leaf spring 22, and the hub 20.
次に本発明の要部である電磁石２８について説明する。Next, the electromagnet 28, which is the main part of the present invention, will be explained.
電磁石２８のヨーク１４は、内外周壁部１４ａ、１４ｂ
と底部１４ｃとで全体を断面コ字形の環状に形成されて
おり、内外周壁部１４ａ。The yoke 14 of the electromagnet 28 has inner and outer peripheral walls 14a and 14b.
The inner and outer peripheral wall portions 14a are formed into an annular shape with a U-shaped cross section.
１４ｂには、底部１４ｃへ向うにしたがって狭くなるテ
ーパが設けられている。これら内外周壁部１４ａ、１４
ｂと底部１４ｃとで形成された環状ｉｔＡ １４ ｄに
は、コイルボビン２９に巻回されて外部と遮断された励
磁コイル１５が内設されており、また、底部１４ｃには
貫通孔１４ｅが穿設されている。14b is provided with a taper that becomes narrower toward the bottom 14c. These inner and outer peripheral walls 14a, 14
An annular itA 14 d formed by the bottom part 14 c has an excitation coil 15 wound around a coil bobbin 29 and isolated from the outside, and a through hole 14 e is provided in the bottom part 14 c. has been done.
コイルボビン２９は、樹脂材で形成されていて、第４図
（ａ）に示す内側コイルボビン３０と、第４図（ｂ）に
示す外側コイルボビン３１とに分割形成されている。こ
のうちの内側コイルボビン３０は、テーパを有するヨー
ク１４の内周壁部１４ｂ外周面にテーパを有する内周面
３０ａを対接させた円筒部３０ｂと、係止溝３０ｃが外
側に形成されて環状７１４１４ ａの開口端を閉塞する
ように位置する環状のフランジ部３０ｄと、折曲部３０
ｅとで断面り字形の環状に形成されている。また外側コ
イルボビン３１は、テーパを有するヨーク１４の外周壁
部１４ａ内周面にテーパを有する外周面３１ａを対接さ
せた円筒部３１ｂと、通し孔を有する一対の円筒状開口
部３１ｃが１箇所に形成されて環状溝１４ａの底板１４
ｃに対接するように位置する環状のフランジ部３１ｄと
、周方向に複数個形成された係止部３１ｅとで断面逆り
字形の環状に形成されている。そして、内側コイルボビ
ン３０には、例えば絶縁層の上に自己融着層を塗布した
二重構造のエナメル線である自己融着性を有する励磁コ
イル１５が巻回され、この励磁コイル１５の巻始め端部
１５ａと巻終わり端部１５ｂとを円筒状開口部３１ｂに
挿通しながら励磁コイル１４が巻回された内側コイルボ
ビン３０と外側コイルボビン３１とが接合されている。The coil bobbin 29 is made of a resin material and is divided into an inner coil bobbin 30 shown in FIG. 4(a) and an outer coil bobbin 31 shown in FIG. 4(b). The inner coil bobbin 30 has a cylindrical portion 30b in which a tapered inner peripheral surface 30a is brought into contact with the tapered inner peripheral wall portion 14b of the yoke 14, and a locking groove 30c is formed on the outside to form an annular shape 71414. an annular flange portion 30d positioned so as to close the open end of a, and a bent portion 30;
It is formed into an annular shape with an angular cross section. Further, the outer coil bobbin 31 has a cylindrical portion 31b in which a tapered outer circumferential surface 31a is in contact with the inner circumferential surface of the outer circumferential wall portion 14a of the tapered yoke 14, and a pair of cylindrical openings 31c having through holes at one location. The bottom plate 14 is formed with an annular groove 14a.
It is formed into an annular shape with an inverted cross-section by an annular flange portion 31d positioned so as to be opposed to c and a plurality of locking portions 31e formed in the circumferential direction. The inner coil bobbin 30 is wound with an excitation coil 15 having self-bonding properties, which is, for example, a double-layered enameled wire with a self-bonding layer coated on an insulating layer. An inner coil bobbin 30 and an outer coil bobbin 31, around which the excitation coil 14 is wound, are joined by inserting the end portion 15a and the winding end portion 15b into the cylindrical opening 31b.
両コイルボビン３０．３１の接合に際しては、内側コイ
ルボビン３０に設けた係入溝３０ｃと外側コイルボビン
３１に設けた係止片３１ｅとが係合されてコイルボビン
２９が仮固定され、このあと両コイルボビン３０．３１
の合わせ面３２，３３の全周が例えば超音波溶接により
溶着されてコイルボビン２９が本固定され、完全に一体
化されている。なお、３０ｆ、３１ｆは、励磁コイル１
５の巻始め端部１５ａと巻終わり端部１５ｂとを円筒状
開口部３１Ｃの通し孔に導くための凹溝である。When joining both coil bobbins 30.31, the engagement groove 30c provided on the inner coil bobbin 30 and the locking piece 31e provided on the outer coil bobbin 31 are engaged to temporarily fix the coil bobbin 29, and then both coil bobbins 30.31 are joined. 31
The entire periphery of the mating surfaces 32 and 33 are welded, for example, by ultrasonic welding, and the coil bobbin 29 is permanently fixed and completely integrated. Note that 30f and 31f are the excitation coil 1
This is a groove for guiding the winding start end 15a and the winding end end 15b of No. 5 to the through hole of the cylindrical opening 31C.
このようにして外部で組立てられたコイルボビン２９は
、両コイルボビン３０．３１のテーパを有する内周部３
０ａと外周部３１ａとをヨーク１４の環状溝１４ｄに形
成されたテーパを有する内外周壁部１４ａ、１４ｂと嵌
合されながら環状溝１４ｄに圧入されており、環状溝１
４ｄの開口端にプレス加工により形成された複数個のか
しめ片１４ｆをかしめることにより環状溝１４ｄからの
抜けを規制されて固定されている。また、外側コイルボ
ビン３１の円筒状開口部３１ｃは、ヨーク１４の貫通孔
１４ｅに挿入されている。The coil bobbin 29 assembled externally in this way has the tapered inner peripheral portion 3 of both coil bobbins 30 and 31.
0a and the outer peripheral part 31a are press-fitted into the annular groove 14d while being fitted with the tapered inner and outer peripheral walls 14a and 14b formed in the annular groove 14d of the yoke 14.
By caulking a plurality of caulking pieces 14f formed by press working on the open end of the groove 4d, the annular groove 4d is prevented from coming off from the annular groove 14d. Further, the cylindrical opening 31c of the outer coil bobbin 31 is inserted into the through hole 14e of the yoke 14.
コイルボビン２９の円筒状開口部３１ｃが挿入されたヨ
ーク１４の貫通孔１４ｅには、ヨーク１４の背面に溶着
されている取付は仮１３の貫通孔１３ａから挿入された
端子台２７の筐体３４側突出開口部３４ａが嵌合されて
おり、前記コイルポビン２９の円筒状開口部３１ｃは、
この突出開口部３４ａ内に嵌合された防水用のゴムブツ
シュ３５の中心孔に圧入されている。The cylindrical opening 31c of the coil bobbin 29 is inserted into the through hole 14e of the yoke 14, and the terminal block 27, which is welded to the back surface of the yoke 14 and inserted through the through hole 13a of the temporary 13, is attached to the housing 34 side. The protruding opening 34a is fitted into the cylindrical opening 31c of the coil pobbin 29.
It is press-fitted into the center hole of a waterproof rubber bushing 35 fitted into the protruding opening 34a.
端子台２７の筐体３４は、樹脂材で形成されていて、底
部に一対の通し孔が形成された突出状開口部３４ａと、
上方へ開口するハウジング３４ｂと、一対の取付はフラ
ンジ３４ｃとで一体形成されており、また正面に開口す
るハウジング３４ｄを備えている。さらに端子台２７は
、筐体３４に弾性材製のパッキン３６を介して圧入嵌合
された蓋体３７を備えており、筐体３４にインサート成
形された一対の端子３８ａ、３８ｂには、コイルボビン
２９の円筒状開口部３１ｃから引き込まれた励磁コイル
１５の巻始め端部１５ａと、巻終わり端部１５ｂとが結
線されている。また、端子３８ａ ３８ｂは、ハウジ
ング３４ｄ内に延設されており、このハウジング３４ｄ
内において外部の電気回路と接続されている。さらに、
一対の端子３８ａ、３８ｂ間には、これらと結線された
サージ吸収用のダイオード３９が配設されており、また
、端子台２７ζよ、取付は板■３にプレス加工によって
形成された切り起こし片１３ｂ、１３ｃをフランジ３４
ｃの構内に折り曲げることでヨーク１４の背面に固定さ
れている。３４ｅはハウジング３４ｂの外周に突設され
た突起であって、蓋体３７に係入されている。The housing 34 of the terminal block 27 is made of a resin material, and has a protruding opening 34a in which a pair of through holes are formed at the bottom;
A housing 34b that opens upward and a pair of mounting flanges 34c are integrally formed, and a housing 34d that opens to the front is provided. Furthermore, the terminal block 27 includes a lid body 37 that is press-fitted into the housing 34 through a packing 36 made of an elastic material. The winding start end 15a and the winding end end 15b of the exciting coil 15 drawn in from the cylindrical opening 31c of No. 29 are connected. Further, the terminals 38a and 38b extend inside the housing 34d, and the terminals 38a and 38b are extended into the housing 34d.
It is connected internally to an external electrical circuit. moreover,
A surge absorbing diode 39 connected to the pair of terminals 38a and 38b is arranged, and the terminal block 27ζ is mounted using a cut-and-raised piece formed by press working on the plate 3. 13b, 13c to flange 34
It is fixed to the back surface of the yoke 14 by bending it in the direction of c. Reference numeral 34e denotes a protrusion protruding from the outer periphery of the housing 34b, and is engaged with the lid 37.
以上のように構成された電磁フランチの動作を説明する
。励磁コイル１５は、端子台２７内の端子３３ａ、３８
ｂを介して外部の電気回路に接続されているので、この
電気回路の０Ｎ−ＯＦＦ制御により励磁コイル１５に通
電すると、発生する磁束によりアーマチュア２３が板ば
ね２２のばね力に抗してロータ１７に磁気吸着され、自
動車のエンジン側から駆動されるプーリ２６とともに回
転しているロータ１７の回転が駆動軸１９に伝達され、
圧縮機が駆動される。The operation of the electromagnetic flange configured as above will be explained. The excitation coil 15 connects to terminals 33a and 38 in the terminal block 27.
When the excitation coil 15 is energized by the ON-OFF control of this electric circuit, the armature 23 resists the spring force of the leaf spring 22 and rotates the rotor 17 due to the generated magnetic flux. The rotation of the rotor 17, which is magnetically attracted to the rotor 17 and rotates together with the pulley 26 driven from the engine side of the automobile, is transmitted to the drive shaft 19.
The compressor is driven.
この状態から励磁コイル１５の励磁が解かれると、アー
マチュア２３の磁気吸着が解かれるので、アーマチュア
２３は手反ばね２２のばね力によりロータ１７から離間
して摩擦面２３ａ、１７ｂ間にはすき間Ｇが形成され、
プーリ２６から駆動軸１９への回転伝達が断たれて圧縮
機が停止する。When the excitation coil 15 is de-energized from this state, the magnetic attraction of the armature 23 is released, and the armature 23 is separated from the rotor 17 by the spring force of the hand spring 22, leaving a gap G between the friction surfaces 23a and 17b. is formed,
Rotation transmission from pulley 26 to drive shaft 19 is cut off, and the compressor stops.
次に電磁石２８の組立動作を説明する。ヨーク１４の外
部において、コイルボビン２９は内側コイルボビン３０
と外側コイルボビン３１とに分割されているので、まず
内側コイルボビン３０に自己融着性を有する励磁コイル
１５を多条巻回する。Next, the assembly operation of the electromagnet 28 will be explained. Outside the yoke 14, the coil bobbin 29 is connected to the inner coil bobbin 30.
Since the coil bobbin 30 is divided into a coil bobbin 31 and an outer coil bobbin 31, first, the excitation coil 15 having self-bonding properties is wound in multiple threads around the inner coil bobbin 30.
次いで内側コイルボビン３０と外側コイルボビン３１を
接合するが、両コイルボビン３０．３１の接合に際して
ｔま、内側コイルボビン３０の係入溝３０ｃと外側コイ
ルボビン３１の係止片３１ｅとが係合されてコイルボビ
ン２９が仮固定され、この結果、励磁コイル１５は内側
コイルボビン３０と外側コイルボビン３１とからなるコ
イルボビン２９で包囲される。このとき励磁コイル１５
の巻始め端部１５ａと巻終わり端部１５ｂとを円筒状開
口部３１ｃから引出しておく。次いで両コイルボビン３
０．３１の合わせ面３２．３３の全周を超音波溶接によ
り溶着してコイルボビン２９を本固定する。このように
して外部で組立てられたコイルボビン２９は、ヨーク１
４の環状溝１４ｄに圧入するが、環状溝１４ｄの内周面
とコイルボビン２９の外周面とには、テーパが設けられ
ているので、コイルボビン２９は強固に固定される。圧
入固定後は環状７？４１４ ｄの開口端に設けたかしめ
片１４ｆをかしめることにより、コイルボビン２９は環
状溝１４ａからの抜けを規制されて固定される。このと
き、ヨーク１４の貫通孔１４ｅには端子台２７の突出開
口部３４ａが挿入されているので、コイルボビン２９の
円筒状開口部３１ｃは突出開口部３４ａに嵌着されたゴ
ムブツシュ３５に圧入され、励磁コイル１５の両端部１
５ａと１５ｂとは端子台２７内へ引き込まれて、端子３
８ａ３８ｂとそれぞれ結線される。結線後は、ハウジン
グ３４ｃの開口部にパツキン３６を介して蓋体３７を圧
入することにより、筐体３４内は外部と絶縁される。Next, the inner coil bobbin 30 and the outer coil bobbin 31 are joined, but when both the coil bobbins 30 and 31 are joined, the engagement groove 30c of the inner coil bobbin 30 and the locking piece 31e of the outer coil bobbin 31 are engaged, and the coil bobbin 29 is The excitation coil 15 is temporarily fixed, and as a result, the excitation coil 15 is surrounded by the coil bobbin 29 consisting of the inner coil bobbin 30 and the outer coil bobbin 31. At this time, the excitation coil 15
The winding start end 15a and the winding end end 15b are pulled out from the cylindrical opening 31c. Next, both coil bobbins 3
The entire circumference of the mating surfaces 32 and 33 of 0.31 mm is welded by ultrasonic welding to permanently fix the coil bobbin 29. The coil bobbin 29 assembled externally in this way is attached to the yoke 1.
However, since the inner circumferential surface of the annular groove 14d and the outer circumferential surface of the coil bobbin 29 are tapered, the coil bobbin 29 is firmly fixed. After being press-fitted and fixed, the coil bobbin 29 is fixed by crimping the caulking piece 14f provided at the open end of the annular groove 1414d, thereby preventing the coil bobbin 29 from slipping out of the annular groove 14a. At this time, since the protruding opening 34a of the terminal block 27 is inserted into the through hole 14e of the yoke 14, the cylindrical opening 31c of the coil bobbin 29 is press-fitted into the rubber bush 35 fitted into the protruding opening 34a. Both ends 1 of excitation coil 15
5a and 15b are drawn into the terminal block 27 and connected to the terminal 3.
8a and 38b, respectively. After the wires are connected, the lid 37 is press-fitted into the opening of the housing 34c via the packing 36, thereby insulating the inside of the housing 34 from the outside.
このようにして組立てられた結果、励磁コイル１５は樹
脂材性のコイルボビン２９で包囲されているので、ヨー
ク１４に対して完全に絶縁されており、外部から水分が
侵入することがない。As a result of being assembled in this manner, the excitation coil 15 is surrounded by the coil bobbin 29 made of a resin material, so that it is completely insulated from the yoke 14, and moisture does not enter from the outside.
また、励磁コイル１５の両端部１５ａ、１５ｂと端子３
８ａ、３８ｂとの結線されている筺体３４の内部は、弾
性材製のパツキン３６を介し蓋体で閉塞されて外部と遮
断されているので結線部分へ水が侵入することがない。In addition, both ends 15a and 15b of the excitation coil 15 and the terminal 3
The inside of the casing 34 connected to the wires 8a and 38b is closed with a lid body through a gasket 36 made of an elastic material and is isolated from the outside, so that water does not enter the wire connection portion.
サラに、ヨークの貫通孔１４ｅ内においてコイルボビン
２９の円筒状開口部３１ｃと端子台２７の突出状開口部
３４ａとが、ゴムブツシュ３５を介して嵌合されている
ので、貫通孔１４ｅから端子台２７内やコイルボビン２
９へ水分が侵入することがない。Since the cylindrical opening 31c of the coil bobbin 29 and the protruding opening 34a of the terminal block 27 are fitted in the through hole 14e of the yoke through the rubber bushing 35, the terminal block 27 can be inserted through the through hole 14e. Inner coil bobbin 2
9. No moisture can enter.
第６図（ａ）、 （ｂ）は本発明の他の実施例を示すコ
イルボビン要部の縦断面図であって、第６図（ａ）は外
側コイルボビン要部の縦断面図、第６図（ｂ）は内側コ
イルボビン要部の縦断面図である。すなわち、本実′施
例においてはコイルボビンが内側コイルボビン４０と外
側コイルボビン４１とに分割されていて、内側コイルボ
ビン４０は底板４０ａと外側フランジ４０ｂと内側フラ
ンジ４０ｃとで全体を断面コ字形の環状に一体形成され
ており、その環状底板４０ａの１箇所には、前記励磁コ
イル１５の巻始め端部１５ａと巻終わり端部１５ｂが挿
入される一対の円筒状開口部４０ｄが一体形成されてい
る。また、外側コイルボビン４１は輪板状に形成されて
おり、内側コイルボビン４０の開口端を閉塞するように
構成されている。なお、外側コイルボビン４Ｉの嵌合部
４１ａの体積は、内側コイルボビン４０の嵌合部４０ｆ
の体積よりも小さく形成されている。４０ｇは励磁コイ
ル１５の巻始め端部１５ａと巻終わり端部１５ｂとを円
筒状開口部／ＩＯｄの通し孔に導くための開講である。6(a) and 6(b) are longitudinal cross-sectional views of main parts of a coil bobbin showing other embodiments of the present invention, FIG. 6(a) is a longitudinal cross-sectional view of main parts of an outer coil bobbin, and FIG. (b) is a longitudinal sectional view of the main part of the inner coil bobbin. That is, in this embodiment, the coil bobbin is divided into an inner coil bobbin 40 and an outer coil bobbin 41, and the inner coil bobbin 40 is integrally formed into a ring shape with a U-shaped cross section by a bottom plate 40a, an outer flange 40b, and an inner flange 40c. A pair of cylindrical openings 40d into which the winding start end 15a and winding end 15b of the excitation coil 15 are inserted are integrally formed at one location of the annular bottom plate 40a. Further, the outer coil bobbin 41 is formed in a ring plate shape and is configured to close the open end of the inner coil bobbin 40. Note that the volume of the fitting portion 41a of the outer coil bobbin 4I is the same as that of the fitting portion 40f of the inner coil bobbin 40.
It is formed smaller than the volume of. 40g is an opening for guiding the winding start end 15a and the winding end end 15b of the exciting coil 15 to the through hole of the cylindrical opening/IOd.
このように構成されていることにより、内側コイルボビ
ン４０には巻回された前記励磁コイル１５が収納され、
その巻始め端部１５ａと巻終わり端部１５ｂとは、円筒
状開口部４０ｄに挿入されて外部へ引き出されたのち、
内側コイルボビン２４の開口端を外側コイルボビン４１
で閉塞し、両コイルボビン４０．４１の合わせ面を超音
波溶接により溶着する。この場合、外側コイルボビン４
１の嵌合部４０ｆの体積を、内側コイルボビン４０の嵌
合部４１ａの体積よりも小さく形成したことにより、こ
れらを嵌合したのちの溶接時に、コイルボビンの端面か
ら、ばりが突出することがない。With this configuration, the wound excitation coil 15 is housed in the inner coil bobbin 40,
The winding start end 15a and winding end end 15b are inserted into the cylindrical opening 40d and pulled out to the outside.
The open end of the inner coil bobbin 24 is connected to the outer coil bobbin 41.
The mating surfaces of both coil bobbins 40 and 41 are welded by ultrasonic welding. In this case, the outer coil bobbin 4
By forming the volume of the fitting part 40f of the inner coil bobbin 40 to be smaller than the volume of the fitting part 41a of the inner coil bobbin 40, burrs do not protrude from the end surface of the coil bobbin during welding after fitting these parts. .
このように組立てられたのち、ヨーク１４の環状溝１４
ｄ内に収納されかしめ片１４ｆでかしめられることは前
記実施例と同じでである。After being assembled in this way, the annular groove 14 of the yoke 14 is
It is the same as in the previous embodiment that it is housed in the hole d and is caulked with the caulking piece 14f.
なお前記各実施例においては、円筒状開口部。In each of the above embodiments, the cylindrical opening is used.
３１ｃ、４０ｄをコイルボビンと一体形成した例を示し
たが、これをコイルボビンとは別体にしてゴムブツシュ
としてもよい。Although an example has been shown in which 31c and 40d are formed integrally with the coil bobbin, they may be made separate from the coil bobbin and formed into a rubber bush.
また、前記各実施例においては励磁コイルを自己融着性
を有するマグネットワイヤとしたが、内側コイルボビン
３０．４０に、巻回された一般のマグネットワイヤから
なる励磁コイルを、テープを巻いて固定してもよい。Furthermore, in each of the above embodiments, the excitation coil was made of a self-bonding magnet wire, but the excitation coil made of a wound general magnet wire was fixed to the inner coil bobbin 30, 40 by wrapping it with tape. You can.
さらに、前記各実施例においては、本発明を電磁クラッ
チに適用した例を示したが、電磁ブレーキにも同様に適
用することができ、同様の作用効果が得られる。さらに
また、前記各実施例では分割されたコイルボビンを超音
波溶接によって固着する例を示したが、接着剤などによ
るその他の固着手段によって固着してもよい。Further, in each of the above embodiments, the present invention is applied to an electromagnetic clutch, but it can also be similarly applied to an electromagnetic brake, and similar effects can be obtained. Furthermore, in each of the above embodiments, the divided coil bobbins are fixed by ultrasonic welding, but they may be fixed by other fixing means such as adhesive.
以上の説明により明らかなように本説明によれば電磁連
結装置において、コイルボビンを接合可能な２部材に分
割して全体を中空環状に形成し、その中空部内に前記励
磁コイルを巻回して配設するとともに、前記コイルボビ
ンに形成した円筒状開口部を前記ヨークの環状溝底部に
穿設した貫通孔内に挿入し、この円筒状開口部から前記
励磁コイルの巻始め１巻終わり両端部を前記端子台内に
引き込んだことにより、励磁コイル装着箇所へ外部から
水が侵入しないので、励磁コイルが電気的に完全に絶縁
され、絶縁不良などの事故を防出することができる。As is clear from the above description, according to the present description, in the electromagnetic coupling device, the coil bobbin is divided into two joinable members to form a hollow annular shape as a whole, and the excitation coil is wound and disposed within the hollow part. At the same time, a cylindrical opening formed in the coil bobbin is inserted into a through hole bored at the bottom of the annular groove of the yoke, and the first winding, first winding, and both ends of the excitation coil are connected to the terminal through the cylindrical opening. By drawing the excitation coil into the stand, water will not enter the area where the excitation coil is installed from the outside, so the excitation coil will be completely electrically insulated and accidents such as poor insulation can be prevented.
また、ヨークに穿設した貫通孔に、前記端子台の筐体底
部に形成された突出状開口部を嵌合してこの筐体を位置
合わせするとともに、この筐体を、前記ヨークの背面に
溶着された取付は板の切り起こし片で前記ヨークの背面
に固定してこの筐体上部の開口に弾性材製パツキンを介
し蓋体を圧入嵌合し、前記突出状開口部から引き込まれ
た前記巻始め２巻終わり両端部と前記端子台内の一対の
端子との結線部分を外部に対し遮断したことにより、励
磁コイルの巻始め２巻終わり端部と一対の端子との結線
部分に水が侵入することがなく、電気的に完全に絶縁さ
れ、ｗＡ縁不良などの事故を防止することができる。Further, the projecting opening formed at the bottom of the housing of the terminal block is fitted into the through hole drilled in the yoke to align the housing, and the housing is attached to the back surface of the yoke. The welded mounting is fixed to the back surface of the yoke using a cut and raised piece of the plate, and the lid body is press-fitted into the opening at the top of this housing through an elastic gasket, and the lid body that is pulled in from the protruding opening is By cutting off the connection between the end of the first two windings and the pair of terminals in the terminal block from the outside, water will not leak into the connection between the end of the first two windings of the excitation coil and the pair of terminals. It does not intrude and is completely electrically insulated, preventing accidents such as wA edge defects.
さらに、励磁コイルの巻始め、終わり両端部が引き出さ
れる円筒状開口部を前記コイルボビンに形成し、前記ヨ
ークに穿設された貫通孔と嵌合して前記巻始め９巻終わ
り両端部が引き込まれる突出状開口部を前記端子台の底
部に形成するとともに、この円筒状開口部を、前記突出
状開口部内にゴムブツシュを介して正大固定したことに
より、貫通孔からコイルボビンの装着箇所や端子台内に
水が侵入することがなく、電気的に完全に絶縁され、絶
縁不良などの事故を防止することができる。Furthermore, a cylindrical opening is formed in the coil bobbin from which both ends of the excitation coil are pulled out at the beginning and end of the winding, and the opening is fitted into a through hole drilled in the yoke so that both ends of the excitation coil are pulled out at the end of the 9th winding. A protruding opening is formed at the bottom of the terminal block, and this cylindrical opening is fixed in the protruding opening via a rubber bushing, so that the coil bobbin can be installed through the through hole or inside the terminal block. It prevents water from entering and is completely electrically insulated, preventing accidents such as poor insulation.
そして、コイルボビンの円筒状開口部と端子台の筺体に
形成された突出状開口部とがヨークの底部に穿設された
貫通孔に嵌合されているることによりこれらコイルボビ
ンや端子台はヨークによって回り止めされ、かつヨーク
のかしめ片やこのヨークに溶着された取付は板の切り起
こし片により抜は止め固定したので、励磁コイルやその
巻始め巻終わり端部と端子との結線部分の断線を防止す
ることができる。The cylindrical opening of the coil bobbin and the protruding opening formed in the housing of the terminal block are fitted into the through hole drilled in the bottom of the yoke, so that the coil bobbin and the terminal block are connected to each other by the yoke. The yoke's caulking piece and the mounting welded to this yoke are prevented from turning and are fixed using cut-and-raised pieces of the plate to prevent them from coming out, so there is no possibility of disconnection of the excitation coil or its connection between the start and end of the winding and the terminal. It can be prevented.
また、このような絶縁不良や断線を、樹脂をモールドす
ることなく防止することができるので、１！！備時間が
短縮され、生産性が向上するとともに労力が軽減される
。In addition, such insulation failures and disconnections can be prevented without molding resin, so 1! ! Preparation time is reduced, productivity is increased and labor is reduced.
第１図ないし第５図は本発明に係る電磁連結装置を圧縮
機の電磁クラッチに適用した例を示し。
第１図は電磁フランチの縦断面図、第２図は同しく側面
図、第３図は電磁石の縦断面図、第４図（ａ）。
（ｂ）はコイルボビンの縦断面図、第５図（ａ）は蓋体
を除いて示す端子台の平面図、第５図（ｂ）は同しく正
面図、第５図（Ｃ）は同じく底面図、第６図（ａ）、
（ｂ）は本説明の他の実施例を示すコイルボビン要部の
縦断面図であって第６図（ａ）は外側コイルボビン要部
の縦断面図、第６図（ｂ）は内側コイルボビン要部の縦
断面図、第７図は従来の電磁連結装置に設けられた電磁
石の縦断面図である。
１４・・・・ヨーク、１５・・・・励磁コイル、２７・
・・・端子台、２８・・・・電磁石、２９・・・・コイ
ルボビン、３０．４０・・・・内側コイルボビン、３１
．４１・・・・外側コイルボビン、３１ｃ・・・・円筒
状開口部、３４・・・・筐体、３４ａ・・・・突出開口
部、３５・・・・ゴムブツシュ、３６・・・・パツキン
、３７・・・・蓋体、３８ａ、３８ｂ・・・・端子。1 to 5 show examples in which the electromagnetic coupling device according to the present invention is applied to an electromagnetic clutch of a compressor. FIG. 1 is a longitudinal sectional view of the electromagnetic flange, FIG. 2 is a side view thereof, FIG. 3 is a longitudinal sectional view of the electromagnet, and FIG. 4(a). (b) is a vertical sectional view of the coil bobbin, FIG. 5(a) is a plan view of the terminal block with the lid removed, FIG. 5(b) is a front view, and FIG. 5(C) is a bottom view. Figure 6(a),
(b) is a vertical sectional view of a main part of a coil bobbin showing another embodiment of the present description, FIG. 6(a) is a vertical sectional view of a main part of an outer coil bobbin, and FIG. 6(b) is a longitudinal sectional view of a main part of an inner coil bobbin. FIG. 7 is a vertical cross-sectional view of an electromagnet provided in a conventional electromagnetic coupling device. 14... Yoke, 15... Excitation coil, 27...
...terminal block, 28...electromagnet, 29...coil bobbin, 30.40...inner coil bobbin, 31
．． 41...Outer coil bobbin, 31c...Cylindrical opening, 34...Housing, 34a...Protruding opening, 35...Rubber bushing, 36...Packing, 37 ...Lid body, 38a, 38b...Terminal.
Claims (3)
磁コイルが内設されたヨークと、このヨークの背面に固
定された樹脂材製の端子台と、この端子台内にインサー
ト成形され前記励磁コイルの巻始め，巻終わり各端部と
それぞれ結線された一対の端子とからなる電磁石を備え
た電磁連結装置において、前記コイルボビンを接合可能
な２部材に分割して全体を中空環状に形成し、その中空
部内に前記励磁コイルを巻回して配設するとともに、前
記コイルボビンに形成した円筒状開口部を前記ヨークの
環状溝底部に穿設した貫通孔内に挿入し、この円筒状開
口部から前記励磁コイルの巻始め，巻終わり両端部を前
記端子台内に引き込んだことを特徴とする電磁連結装置
。(1) An excitation coil wound around a coil bobbin, a yoke in which this excitation coil is installed, a terminal block made of a resin material fixed to the back of this yoke, and an excitation coil that is insert-molded in this terminal block. In an electromagnetic coupling device comprising an electromagnet consisting of a winding start and a winding end of a coil and a pair of terminals respectively connected, the coil bobbin is divided into two joinable members and the whole is formed into a hollow annular shape, The excitation coil is wound and arranged in the hollow part, and a cylindrical opening formed in the coil bobbin is inserted into a through hole bored in the bottom of the annular groove of the yoke, and the excitation coil is inserted through the cylindrical opening. An electromagnetic coupling device characterized in that both ends of the excitation coil at the beginning and end of the winding are drawn into the terminal block.
磁コイルが内設されたヨークと、このヨークの背面に固
定された樹脂材製の端子台と、この端子台内にインサー
ト成形され前記励磁コイルの巻始め，巻終わり各端部と
それぞれ結線された一対の端子とからなる電磁石を備え
た電磁連結装置において、前記ヨークに穿設した貫通孔
に、前記端子台の筐体底部に形成された突出状開口部を
嵌合してこの筐体を位置合わせするとともに、この筐体
を、前記ヨークの背面に溶着された取付け板の切り起こ
し片で前記ヨークの背面に固定してこの筐体上部の開口
に弾性材製パッキンを介し蓋体を圧入嵌合し、前記突出
状開口部から引き込まれた前記巻始め，巻終わり両端部
と前記端子台内の一対の端子との結線部分を外部に対し
遮断したことを特徴とする電磁連結装置。(2) An excitation coil wound around a coil bobbin, a yoke in which this excitation coil is installed, a terminal block made of a resin material fixed to the back of this yoke, and an excitation coil that is insert-molded in this terminal block. In an electromagnetic coupling device equipped with an electromagnet consisting of a pair of terminals connected to each winding start and winding end of a coil, a through hole formed in the bottom of the casing of the terminal block is formed in a through hole drilled in the yoke. The housing is aligned by fitting the protruding openings, and the housing is fixed to the back surface of the yoke using a cut-and-raised piece of the mounting plate welded to the back surface of the yoke. A lid body is press-fitted into the upper opening through an elastic packing, and the connection portion between the winding start and winding end ends drawn through the protruding opening and the pair of terminals in the terminal block is connected to the outside. An electromagnetic coupling device characterized by being cut off against
磁コイルが内設されたヨークと、このヨークの背面に固
定された樹脂材製の端子台と、この端子台内にインサー
ト成形され前記励磁コイルの巻始め端部および巻終わり
端部とそれぞれ結線された一対の端子とからなる電磁石
を備えた電磁連結装置において、前記励磁コイルの巻始
め，終わり両端部が引き出される円筒状開口部を前記コ
イルボビンに形成し、前記ヨークに穿設された貫通孔と
嵌合して前記巻始め，巻終わり両端部が引き込まれる突
出状開口部を前記端子台の底部に形成するとともに、こ
の円筒状開口部を、前記突出状開口部内にゴムプッシュ
を介して圧入固定したことを特徴とする電磁連結装置。(3) An excitation coil wound around a coil bobbin, a yoke in which this excitation coil is installed, a terminal block made of a resin material fixed to the back of this yoke, and an excitation coil that is insert-molded in this terminal block. In an electromagnetic coupling device equipped with an electromagnet consisting of a pair of terminals connected to a winding start end and a winding end end of a coil, respectively, a cylindrical opening from which both winding start and end ends of the excitation coil are pulled out is defined as A protruding opening is formed on the coil bobbin and fits into a through hole drilled in the yoke, into which both ends of the winding start and winding ends are drawn, and the cylindrical opening is formed at the bottom of the terminal block. An electromagnetic coupling device, characterized in that the above is press-fitted and fixed into the protruding opening via a rubber pusher.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1172950A JPH0756300B2 (en) | 1989-07-06 | 1989-07-06 | Electromagnetic coupling device |
| US07/500,630 US5307038A (en) | 1989-03-28 | 1990-03-27 | Electromagnetic coupling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1172950A JPH0756300B2 (en) | 1989-07-06 | 1989-07-06 | Electromagnetic coupling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0341224A true JPH0341224A (en) | 1991-02-21 |
| JPH0756300B2 JPH0756300B2 (en) | 1995-06-14 |
Family
ID=15951363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1172950A Expired - Lifetime JPH0756300B2 (en) | 1989-03-28 | 1989-07-06 | Electromagnetic coupling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0756300B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997044595A1 (en) * | 1996-05-17 | 1997-11-27 | Yuugenkaisha Matsuikougyou | Core for electromagnetic clutch |
| KR101112600B1 (en) * | 2005-02-01 | 2012-02-15 | 한라공조주식회사 | Field coil assembly of compressor electromagnetic clutch |
| CN106531394A (en) * | 2016-12-17 | 2017-03-22 | 慈溪市凯澳塑料制品有限公司 | Electromagnetic coil, coil insulation skeleton and modified nylon material for preparing skeleton |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101952759B1 (en) * | 2017-04-27 | 2019-02-27 | 영신기전공업(주) | Coil assembly for electromagnetic clutch |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS589849A (en) * | 1981-07-07 | 1983-01-20 | Toshiba Corp | Glass bonded structure |
-
1989
- 1989-07-06 JP JP1172950A patent/JPH0756300B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS589849A (en) * | 1981-07-07 | 1983-01-20 | Toshiba Corp | Glass bonded structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997044595A1 (en) * | 1996-05-17 | 1997-11-27 | Yuugenkaisha Matsuikougyou | Core for electromagnetic clutch |
| KR101112600B1 (en) * | 2005-02-01 | 2012-02-15 | 한라공조주식회사 | Field coil assembly of compressor electromagnetic clutch |
| CN106531394A (en) * | 2016-12-17 | 2017-03-22 | 慈溪市凯澳塑料制品有限公司 | Electromagnetic coil, coil insulation skeleton and modified nylon material for preparing skeleton |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0756300B2 (en) | 1995-06-14 |
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