JP2893853B2 - Electromagnetic relay - Google Patents

Electromagnetic relay

Info

Publication number
JP2893853B2
JP2893853B2 JP2117085A JP11708590A JP2893853B2 JP 2893853 B2 JP2893853 B2 JP 2893853B2 JP 2117085 A JP2117085 A JP 2117085A JP 11708590 A JP11708590 A JP 11708590A JP 2893853 B2 JP2893853 B2 JP 2893853B2
Authority
JP
Japan
Prior art keywords
iron core
electromagnetic relay
shaped iron
armature
coil
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 - Fee Related
Application number
JP2117085A
Other languages
Japanese (ja)
Other versions
JPH0414729A (en
Inventor
英樹 月出
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP2117085A priority Critical patent/JP2893853B2/en
Publication of JPH0414729A publication Critical patent/JPH0414729A/en
Application granted granted Critical
Publication of JP2893853B2 publication Critical patent/JP2893853B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は電磁継電器に関し、特にコ字形鉄心を用いる
電磁継電器に関する。
Description: TECHNICAL FIELD The present invention relates to an electromagnetic relay, and more particularly to an electromagnetic relay using a U-shaped iron core.

〔従来の技術〕 従来、かかる電磁継電器はコ字形鉄心にコイルを巻回
したコイル組立体を絶縁体基台に搭載し、その上に接極
子を配置し、カバーで覆う一方、端子側を封止剤により
封止している。
[Prior art] Conventionally, such an electromagnetic relay mounts a coil assembly in which a coil is wound around a U-shaped iron core on an insulator base, arranges an armature thereon, covers with a cover, and seals a terminal side. Sealed with a blocking agent.

第3図はかかる従来の一例を説明するための電磁継電
器における鉄心,フランジ,固定端子の位置を示す断面
図である。
FIG. 3 is a cross-sectional view showing the position of the iron core, flange, and fixed terminal in the electromagnetic relay for explaining one example of the related art.

第3図に示すように、従来の電磁継電器は、四隅に配
置した固体端子12上に固定接点11を形成し且つ基台18と
穴部17を形成した絶縁体基台15と、コイルを巻回したコ
字形鉄心6を中心に配置し上面に平坦なフランジ部23を
形成するとともに下面には脚部20と基準台18に接する微
少突起21を形成したコイル組立体と、接極子や接点ばね
(共に図示省略)等を搭載してから覆うカバー16とを有
し、コイル端子や接点端子側を封止剤22で封止してい
る。すなわち、絶縁体基台15の内部にコ字形鉄心6を有
するコイル組立体を固定し、その上部に可動接点ばねに
連動する接極子を配設し、カバー16を装着して構成され
ており、コ字形鉄心6の磁極部の横のフランジ部23は巻
線にそった形状に構成されている。
As shown in FIG. 3, the conventional electromagnetic relay includes an insulator base 15 in which fixed contacts 11 are formed on solid terminals 12 arranged at four corners and a base 18 and a hole 17 are formed, and a coil is wound. A coil assembly in which the turned U-shaped iron core 6 is arranged as a center, a flat flange portion 23 is formed on the upper surface, and a minute projection 21 which contacts the leg portion 20 and the reference base 18 is formed on the lower surface; (Both not shown) and the like, and a cover 16 for covering the coil terminals and the contact terminals. That is, a coil assembly having a U-shaped iron core 6 is fixed inside an insulator base 15, an armature interlocking with a movable contact spring is disposed above the coil assembly, and a cover 16 is attached. The flange portion 23 beside the magnetic pole portion of the U-shaped iron core 6 is formed in a shape along the winding.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

上述した従来の電磁継電器は、コイル組立体より露出
する磁極部と絶縁体基台により植設された固定接点部が
至近距離にあるため、接点及びコイル間の絶縁性が沿面
距離と空間距離の双方ともに不十分であり、耐圧不良を
ひきおこす一因になるという欠点がある。
In the above-described conventional electromagnetic relay, since the magnetic pole portion exposed from the coil assembly and the fixed contact portion implanted by the insulator base are located at a close distance, the insulation between the contact and the coil reduces the creepage distance and the space distance. Both of these are inadequate and have the drawback of causing a breakdown voltage failure.

本発明の目的は、かかる露出した鉄心の磁極部と接点
等の絶縁性を向上させ、高耐圧を実現することのできる
電磁継電器を提供することにある。
An object of the present invention is to provide an electromagnetic relay capable of improving the insulating properties of the exposed magnetic pole portion and the contact point of the iron core and realizing a high withstand voltage.

〔課題を解決するための手段〕[Means for solving the problem]

本願発明による電磁継電器は、可動接点バネの可動接
点に対応する固定接点とコ字形鉄心の磁極部との間にコ
字形鉄心を保持する側から上方に向けて突出する絶縁体
の突出部を介在させたことを特徴としている。
In the electromagnetic relay according to the present invention, a protrusion of an insulator protruding upward from the side holding the U-shaped iron core is interposed between the fixed contact corresponding to the movable contact of the movable contact spring and the magnetic pole portion of the U-shaped iron core. It is characterized by having made it.

〔実施例〕〔Example〕

次に、本発明の実施例について図面を参照して説明す
る。
Next, embodiments of the present invention will be described with reference to the drawings.

第1図は本発明の一実施例を示す電磁継電器の分解斜
視図である。
FIG. 1 is an exploded perspective view of an electromagnetic relay showing one embodiment of the present invention.

第1図に示すように、本実施例はコイルを巻回したコ
字形鉄心6の中央部に永久磁石9を配置するための凹部
を形成し且つ両端にフランジ部23を備えたコイルスプー
ル8よりなるコイル組立体と、鉄心6の両磁極部に両端
が適合するよう配置された接極子4とこの接極子4に傾
動運動を行なわせしめるヒンジばね部2と接極子4の近
傍に配置され且つ可動接点1を有する可動接点ばね3と
が絶縁固定体5によって一体固定された可動接点ばねブ
ロックが永久磁石9の上部を支点とし傾動できるように
適合した絶縁体基台15とを備え、ヒンジばね部2を絶縁
体基台15の中立端子13の部に固着し、カバー16を被せて
構成した電磁継電器である。
As shown in FIG. 1, in this embodiment, a concave portion for disposing a permanent magnet 9 is formed in the center of a U-shaped iron core 6 around which a coil is wound, and a coil spool 8 having flange portions 23 at both ends is provided. A coil assembly, an armature 4 arranged at both ends so as to be adapted to both magnetic pole portions of the iron core 6, a hinge spring portion 2 for causing the armature 4 to perform a tilting motion, and a movable member arranged near the armature 4. A movable contact spring block having the contact 1 and a movable contact spring block integrally fixed by an insulating fixed body 5; an insulator base 15 adapted to be tiltable with the upper part of the permanent magnet 9 as a fulcrum; 2 is an electromagnetic relay constituted by fixing the cover 2 to the neutral terminal 13 of the insulator base 15 and covering it with a cover 16.

かかる構成の電磁継電器において、本実施例は鉄心6
の両磁極面の横フランジ部23の上面で且つ鉄心6と固定
接点11および固定端子12との間に突出部24を設けたこと
にある。
In the electromagnetic relay having such a configuration, in the present embodiment, the core 6
The protrusion 24 is provided on the upper surface of the horizontal flange portion 23 of both magnetic pole surfaces and between the iron core 6 and the fixed contact 11 and the fixed terminal 12.

また、第2図(a),(b)はそれぞれ第1図におけ
る電磁継電器の絶縁体基台とコイル組立体の平面図およ
び鉄心,フランジ,固体端子の位置関係を示す断面図で
ある。
2 (a) and 2 (b) are a plan view of the insulator base and the coil assembly of the electromagnetic relay shown in FIG. 1 and a cross-sectional view showing a positional relationship among an iron core, a flange, and a solid terminal.

第2図(a),(b)に示すように、従来の絶縁耐圧
不良が固定接点11を有する固定端子12よりコイルスプー
ル8のフランジ部23の表面と鉄心6とを介していたの
を、本実施例では、コイルスプール8のフランジ部23に
突出部24を設けることにより、鉄心6と固定端子12との
沿面距離を2倍以上にすることができ、また鉄心6より
固定端子12を直視できないようにしているので、空間距
離も大きくすることができる。
As shown in FIGS. 2 (a) and 2 (b), the conventional insulation withstand voltage failure was caused by the fixed terminal 12 having the fixed contact 11 passing through the surface of the flange portion 23 of the coil spool 8 and the iron core 6. In this embodiment, by providing the projecting portion 24 on the flange portion 23 of the coil spool 8, the creepage distance between the iron core 6 and the fixed terminal 12 can be doubled or more, and the fixed terminal 12 can be viewed directly from the iron core 6. Since it is not possible, the spatial distance can be increased.

〔発明の効果〕〔The invention's effect〕

以上説明したように、本発明の電磁継電器は、コ字形
鉄心の磁極部と絶縁体部に設けられた固定接点との間に
絶縁体の突出部を設けることにより、コ字形鉄心と固定
接点の沿面距離が充分にとれ絶縁性を大幅に向上させる
こと、またコ字形鉄心と固定接点の空間距離が充分にと
れ耐圧の実力値を向上させること、さらにコ字形鉄心の
磁極面と接極子の衝突による摩耗粉の接点近傍への飛散
を防止できること等の効果がある。
As described above, the electromagnetic relay of the present invention provides the U-shaped iron core and the fixed contact by providing the insulator protrusion between the magnetic pole part of the U-shaped iron core and the fixed contact provided on the insulator part. The creepage distance is sufficient to greatly improve the insulation, the space between the U-shaped iron core and the fixed contact is sufficient to improve the withstand voltage, and the collision between the magnetic pole surface of the U-shaped iron core and the armature This has the effect of preventing scattering of wear powder to the vicinity of the contact due to dust.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明の一実施例を示す電磁継電器の分解斜視
図、第2図(a),(b)はそれぞれ第1図における電
磁継電器の絶縁体基台とコイル組立体の平面図および鉄
心,フランジ,固定端子の位置関係を示すA−A断面
図、第3図は従来の一例を説明するための電磁継電器に
おける鉄心,フランジ,固定端子の位置関係を示すA−
A断面図である。 1……可動接点、2……ヒンジ部ばね、3……可動接点
ばね、4……接極子、5……絶縁固定体、6……鉄心、
7……コイル端子、8……コイルスプール、9……永久
磁石、10……突起、11……固定接点、12……固定端子、
13……中立端子、14……コイル導出端子、15……絶縁体
基台、16……カバー、17……穴部、18……基準台、19…
…切り欠き部、20……脚部、21……微少突起、22……封
止剤、23……フランジ、24……突出部。
FIG. 1 is an exploded perspective view of an electromagnetic relay showing one embodiment of the present invention, and FIGS. 2 (a) and 2 (b) are a plan view of an insulator base and a coil assembly of the electromagnetic relay in FIG. 1, respectively. FIG. 3 is a sectional view taken along the line A-A showing the positional relationship between the iron core, the flange, and the fixed terminal. FIG.
It is A sectional drawing. 1 movable contact 2 hinge hinge spring 3 movable contact spring 4 armature 5 insulated fixed body 6 iron core
7 ... coil terminal, 8 ... coil spool, 9 ... permanent magnet, 10 ... projection, 11 ... fixed contact, 12 ... fixed terminal,
13 ... Neutral terminal, 14 ... Coil lead-out terminal, 15 ... Insulator base, 16 ... Cover, 17 ... Hole, 18 ... Reference base, 19 ...
... Notch, 20 ... Leg, 21 ... Small projection, 22 ... Sealant, 23 ... Flange, 24 ... Protrusion.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】コイルを巻回したコ字形鉄心と、永久磁石
と、前記コ字形鉄心の両磁極部に対応する両端部を有し
傾動運動を行う接極子と、前記接極子の端部近傍に位置
する可動接点を有して前記接極子に取り付けられた可動
接点バネと、前記可動接点に対応する固定接点を有する
絶縁体部とを備える電磁継電器において、前記コ字型鉄
心の磁極部と前記固定接点との間に前記コ字形鉄心を保
持する側から上方に向けて突出する絶縁体の突出部を介
在せしめたことを特徴とする電磁継電器。
1. A U-shaped iron core wound with a coil, a permanent magnet, an armature having both ends corresponding to both magnetic pole portions of the U-shaped iron core and performing a tilting motion, and a vicinity of an end of the armature. A movable contact spring attached to the armature having a movable contact located at, and an electromagnetic relay including an insulator portion having a fixed contact corresponding to the movable contact, wherein the magnetic pole portion of the U-shaped iron core; An electromagnetic relay, wherein a protrusion of an insulator protruding upward from a side holding the U-shaped iron core is interposed between the fixed contact and the fixed contact.
JP2117085A 1990-05-07 1990-05-07 Electromagnetic relay Expired - Fee Related JP2893853B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2117085A JP2893853B2 (en) 1990-05-07 1990-05-07 Electromagnetic relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2117085A JP2893853B2 (en) 1990-05-07 1990-05-07 Electromagnetic relay

Publications (2)

Publication Number Publication Date
JPH0414729A JPH0414729A (en) 1992-01-20
JP2893853B2 true JP2893853B2 (en) 1999-05-24

Family

ID=14703025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2117085A Expired - Fee Related JP2893853B2 (en) 1990-05-07 1990-05-07 Electromagnetic relay

Country Status (1)

Country Link
JP (1) JP2893853B2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743989B2 (en) * 1985-03-25 1995-05-15 松下電工株式会社 Relay device

Also Published As

Publication number Publication date
JPH0414729A (en) 1992-01-20

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