JPH0347239Y2 - - Google Patents
Info
- Publication number
- JPH0347239Y2 JPH0347239Y2 JP18139685U JP18139685U JPH0347239Y2 JP H0347239 Y2 JPH0347239 Y2 JP H0347239Y2 JP 18139685 U JP18139685 U JP 18139685U JP 18139685 U JP18139685 U JP 18139685U JP H0347239 Y2 JPH0347239 Y2 JP H0347239Y2
- Authority
- JP
- Japan
- Prior art keywords
- card
- iron core
- iron
- movable block
- movable
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 239000000057 synthetic resin Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Electromagnets (AREA)
Description
【考案の詳細な説明】
〈考案の分野〉
この考案は電磁石ブロツクに対して可動ブロツ
クが水平移動可能に設定された電磁継電器に係
り、詳しくは可動ブロツクにおけるカードの摺接
部の改良に関するものである。[Detailed Description of the Invention] <Field of the Invention> This invention relates to an electromagnetic relay in which a movable block is set to be movable horizontally with respect to an electromagnetic block, and specifically relates to an improvement of the sliding contact portion of a card in the movable block. be.
〈従来技術とその問題点〉
従来の電磁継電器、たとえば有極リレーとし
て、端子ベース上に固定されたヨーク、ヨークと
で磁気回路の一部を構成する鉄心、および鉄心に
スプールを介して巻装された電磁コイル等で電磁
石ブロツクを構成し、上記鉄心の一端部で構成さ
れた磁極部の両側に対向する１対の鉄片、これら
両鉄片間を磁気的に連結する永久磁石、さらに端
子ベースに対して水平面内で回動可能に設定され
て上記鉄片や永久磁石を保持した絶縁性合成樹脂
製カード等で可動ブロツクを構成して、電磁コイ
ルへの断電および通電により上記可動ブロツクの
カードを介して接点機構を駆動するようにしたも
のがある。<Prior art and its problems> Conventional electromagnetic relays, such as polarized relays, include a yoke fixed on a terminal base, an iron core that forms part of a magnetic circuit with the yoke, and a wire wound around the iron core via a spool. An electromagnetic block is constituted by an electromagnetic coil, etc., which includes a pair of iron pieces facing each other on both sides of the magnetic pole part made up of one end of the above-mentioned iron core, a permanent magnet that magnetically connects these two iron pieces, and a terminal base. On the other hand, a movable block is constructed of an insulating synthetic resin card or the like that is set to be rotatable in a horizontal plane and holds the above-mentioned iron piece or permanent magnet, and the card of the movable block is constructed by turning off and energizing the electromagnetic coil. There is one in which the contact mechanism is driven through the contact mechanism.
上記カードの支持構造を第５図に示す。１０１
は鉄心１０２を貫通させた合成樹脂製のコイルス
プール、１０３は１対の鉄片１０４，１０５およ
び永久磁石１０６を保持し、両端に可動接触子
（図示せず）の保持片１０７，１０７を有するカ
ードである。上記コイルスプール１０１のつば部
１０１ａに一体形成した１対の突部１０９，１０
９により上記カード１０３を左右方向（矢印A1，
A2方向）に摺動可能に支承させてある。 The supporting structure of the above card is shown in FIG. 101
103 is a card that holds a pair of iron pieces 104, 105 and a permanent magnet 106, and has holding pieces 107, 107 of movable contacts (not shown) at both ends. It is. A pair of protrusions 109 and 10 integrally formed on the collar 101a of the coil spool 101
9 to move the card 103 in the left and right direction (arrow A 1 ,
It is supported so that it can slide in two directions (A).
上記構成によれば、合成樹脂製のカード１０３
が合成樹脂製コイルスプール１０１に一体形成さ
れた１０９，１０９に支持されているから、両者
１０３，１０９での摺動部分の摩耗が大きく、カ
ード１０３の摺動不良で動作性が不安定になるば
かりでなく、樹脂の摩耗粉が接点に付着して接点
不良を招くおそれがあり、信頼性の低いものであ
つた。 According to the above configuration, the card 103 made of synthetic resin
is supported by 109, 109 integrally formed with the synthetic resin coil spool 101, so the sliding parts of both 103, 109 are subject to significant wear, and poor sliding of the card 103 results in unstable operation. In addition, there was a risk that abrasion powder of the resin would adhere to the contacts and cause contact failure, resulting in low reliability.
〈考案の目的〉
この考案は上記従来のものの欠点を除去するた
めになされたもので、カードの摩耗が少なくな
り、動作性の向上を図り得る電磁継電器を提供す
ることを目的としている。<Purpose of the invention> This invention was made in order to eliminate the drawbacks of the above-mentioned conventional ones, and its purpose is to provide an electromagnetic relay that can reduce card wear and improve operability.
〈考案の構成と効果〉
この考案による電磁継電器は、可動ブロツクに
おける合成樹脂製のカードの水平移動時に鉄心の
上面に摺接する突起を上記カードに一体形成した
ものである。<Structure and Effects of the Invention> The electromagnetic relay according to this invention has a protrusion integrally formed on the card made of synthetic resin in a movable block, which slides into contact with the upper surface of the iron core when the card is horizontally moved.
この考案によれば、カードの摺動支持部が合成
樹脂製の突起と鉄心とで構成されるために、両者
間の摩耗が抑制されてカードの水平移動がスムー
スになされるうえ、摩耗粉の付着による接点不良
のおそれも解消される。 According to this invention, since the sliding support part of the card is composed of a synthetic resin protrusion and an iron core, abrasion between the two is suppressed and the horizontal movement of the card is smooth, and abrasion powder is removed. The risk of contact failure due to adhesion is also eliminated.
〈実施例の説明〉
以下、この考案の実施例を図面にしたがつて説
明する。第１図はこの考案による電磁継電器の一
例を、有極リレーについて示す分解斜視図であ
る。<Description of Embodiments> Hereinafter, embodiments of this invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view showing an example of an electromagnetic relay according to this invention, which is a polarized relay.
このリレーは大別して、電磁石ブロツクＡ、可
動ブロツクＢ、接点機構Ｃ、ケース１および端子
ベース２から構成されている。 This relay is roughly composed of an electromagnetic block A, a movable block B, a contact mechanism C, a case 1, and a terminal base 2.
電磁石ブロツクＡは合成樹脂により形成された
コイルスプール３と、ヨーク４と、上記スプール
３の中心孔３ａに嵌挿された棒状の鉄心５とで構
成されている。電磁コイル１２が巻回されたスプ
ール３の一端つば部３ｂには、ヨーク４の溝部４
ａに係止される係止突片３ｄが突設されている。
また、スプール３の他端つば部３ｃに突設された
端子支持部３ｅにはコイル端子２０がインサート
成形により設定されている。 The electromagnetic block A is composed of a coil spool 3 made of synthetic resin, a yoke 4, and a rod-shaped iron core 5 fitted into a center hole 3a of the spool 3. The groove 4 of the yoke 4 is located at one end of the flange 3b of the spool 3 around which the electromagnetic coil 12 is wound.
A locking protrusion 3d that is locked to a is provided in a protruding manner.
Further, a coil terminal 20 is set by insert molding on a terminal support portion 3e that projects from the other end flange portion 3c of the spool 3.
上記スプール３はヨーク４に係止されるととも
に、鉄心５の基端部がヨーク４の後端起立突片４
ｄの凹部４ｅに嵌合されてかしめ固定され、さら
に、端子ベース２に突設された突部２ａが端子ベ
ース２に形成された取付孔４ｂに嵌合され、熱か
しめにより端子ベース２上の所定位置に固定され
る。 The spool 3 is locked to the yoke 4, and the proximal end of the iron core 5 is attached to the rear end of the yoke 4.
The protrusion 2a protruding from the terminal base 2 is fitted into the mounting hole 4b formed in the terminal base 2, and the terminal base 2 is fitted into the recess 4e by heat crimping. Fixed in place.
また、上記コイル端子２０は端子ベース２の外
部端子６における内端部６ａにろう付けされて接
続される。上記端子ベース２の上面には支軸７が
突設され、可動ブロツクＢを構成する枠形の可動
絶縁台８はその軸孔８ａに支軸７が嵌合されて回
動可能に支持されている。 Further, the coil terminal 20 is connected to the inner end 6a of the external terminal 6 of the terminal base 2 by brazing. A support shaft 7 is provided protruding from the upper surface of the terminal base 2, and a frame-shaped movable insulating stand 8 constituting the movable block B is rotatably supported by fitting the support shaft 7 into its shaft hole 8a. There is.
上記可動絶縁台８の先端部には、互いに対向し
て配設された１対の鉄片９，１０と、これら鉄片
９，１０間を磁気的に連結した永久磁石１１とが
固定されている。 A pair of iron pieces 9 and 10 that are arranged to face each other and a permanent magnet 11 that magnetically connects these iron pieces 9 and 10 are fixed to the tip of the movable insulating table 8.
さらに、鉄片９は第３図に示すように、鉄心５
の磁極部５ａの両側に設定された一方のしや磁板
１３とヨーク４の前端起立突片４ｃとの間に、ま
た、他方の鉄片１０は他方のしや磁板１４にそれ
ぞれ対向配置されている。 Furthermore, the iron piece 9 is attached to the iron core 5 as shown in FIG.
The iron piece 10 is arranged opposite to the other shield magnetic plate 14 between one of the shield magnetic plates 13 set on both sides of the magnetic pole portion 5a and the front end upright protrusion 4c of the yoke 4. ing.
他方、接点機構Ｃは端子ベース２の両側に設定
したもので、第２図に示すように可動接点１５を
有して固定端子片６の内端部６ｂに片持状態に支
持された可動接触片１７と、固定接点１８，１９
を内端部６ｃ，６ｄに有する固定接触片６とから
なり、上記可動接触片１７は前記可動絶縁台８の
先端部に突設されたカード部８ｂの溝部８ｃに挿
入されている。 On the other hand, the contact mechanism C is set on both sides of the terminal base 2, and as shown in FIG. Piece 17 and fixed contacts 18, 19
The movable contact piece 17 is inserted into a groove 8c of a card portion 8b projecting from the tip of the movable insulating base 8.
上記ケース１はエポキシ樹脂のような透明な合
成樹脂に、TiO2のような白色系粉末を混合して
成形されたのち、端子ベース２に嵌着され、端子
ベース２上の電磁石ブロツクＡ、可動ブロツクＢ
および接点機構Ｃが被覆される。１６は絶縁壁で
ある。 The above case 1 is molded by mixing white powder such as TiO 2 with a transparent synthetic resin such as epoxy resin, and is then fitted onto the terminal base 2, and the electromagnetic block A on the terminal base 2 is movable. Block B
and contact mechanism C are covered. 16 is an insulating wall.
２１は上記カード８の先端下面の鉄心対向位置
に一体形成された突起であり、第４図のように球
面状の先端部はカード８の水平移動（矢印A1，
A2）時に鉄心５の先端部５ａの上面に摺接する
ようになつている。 Reference numeral 21 denotes a protrusion that is integrally formed at a position facing the iron core on the lower surface of the tip of the card 8, and the spherical tip as shown in FIG .
A2 ) It is designed to come into sliding contact with the upper surface of the tip 5a of the iron core 5.
つぎに、上記構成の動作を説明する。 Next, the operation of the above configuration will be explained.
第２図および第３図は中立状態を示し、復帰状
態では永久磁石１１の磁束が鉄片１０−鉄心５−
ヨーク４−起立突片４ｃ−鉄片９を通るループを
形成する。その結果、鉄片１０が鉄心５の磁極部
５ａにしや磁板１４を介して吸着し、可動ブロツ
クＢを復帰位置に保持する。このとき、可動ブロ
ツクＢは第２図の矢印Ａ１方向へ移動することに
より、可動接触片１７がたわみ、可動接点１５は
固定接点１８に接触する。 2 and 3 show the neutral state, and in the reset state, the magnetic flux of the permanent magnet 11 is
A loop passing through the yoke 4, the upright projecting piece 4c, and the iron piece 9 is formed. As a result, the iron piece 10 is attracted to the magnetic pole portion 5a of the iron core 5 via the magnetic plate 14, and the movable block B is held at the return position. At this time, as the movable block B moves in the direction of arrow A1 in FIG.
この状態において、コイル１２が励磁される
と、永久磁石１１による磁束と反対方向の磁束が
コイル１２に発生し、鉄片９が鉄心５の磁極部５
ａにしや磁板１３を介して吸着する。すなわち、
可動ブロツクＢは第２図の矢印Ａ２方向へ移動す
ることにより、可動接点１５は固定接点１９に切
り換つて接触する。第２図の状態において、コイ
ル１２の励磁を解除すると、可動ブロツクＢは矢
印Ａ１の方向に復帰する。 In this state, when the coil 12 is excited, a magnetic flux in the opposite direction to the magnetic flux caused by the permanent magnet 11 is generated in the coil 12, and the iron piece 9
a is attracted via the magnetic plate 13. That is,
As the movable block B moves in the direction of arrow A2 in FIG. 2, the movable contact 15 switches to and contacts the fixed contact 19. In the state shown in FIG. 2, when the excitation of the coil 12 is released, the movable block B returns in the direction of the arrow A1.
ここで、上記カード８の矢印A1，A2方向の水
平移動時に突起２１が第４図のように鉄心５の上
面を摺接する。すなわち、カード８の摺接は合成
樹脂製の突起２１と鉄心５との間で行なわれるた
め、樹脂同志が摺接するものよりも、摺接部分の
摩擦が少なく、カード８の移動が円滑になされ
る。この例では上記突起２１の先端部が球面状に
形成されているため、カード８の移動が一層円滑
に行なわれる。しかも、突起２１と鉄心５との間
での摩耗が少なく摩耗粉の発生が少ないため、こ
れを原因とする接点不良のおそれが解消される。 Here, when the card 8 moves horizontally in the directions of arrows A 1 and A 2 , the protrusion 21 comes into sliding contact with the upper surface of the iron core 5 as shown in FIG. 4 . That is, since the sliding contact of the card 8 is made between the synthetic resin protrusion 21 and the iron core 5, there is less friction at the sliding contact portion than when two resins are in sliding contact with each other, and the card 8 can move smoothly. Ru. In this example, since the tip of the protrusion 21 is formed into a spherical shape, the card 8 can be moved more smoothly. Moreover, since there is little wear between the protrusion 21 and the iron core 5 and less wear powder is generated, the possibility of contact failure caused by this is eliminated.
なお、カード８の水平移動にともなう突起２１
の移動距離ｇが鉄心５の幅ｔを越えない程度に設
定されていることは勿論である。 Note that the protrusion 21 due to the horizontal movement of the card 8
Of course, the moving distance g is set to such an extent that it does not exceed the width t of the iron core 5.
第１図はこの発明による電磁継電器の一例を示
す分解斜視図、第２図は第１図の組立状態の概略
平面図、第３図は第２図の横断面図、第４図はこ
の考案の電磁継電器のカード摺接部を示す正面
図、第５図は従来の電磁継電器のカード摺接部を
示す正面図である。
２……端子ベース、５……鉄心、８……カー
ド、９，１０……鉄片、１１……永久磁石、２１
……突起、Ａ……電磁石ブロツク、Ｂ……可動ブ
ロツク、Ｃ……接点機構。
Fig. 1 is an exploded perspective view showing an example of an electromagnetic relay according to the present invention, Fig. 2 is a schematic plan view of the assembled state shown in Fig. 1, Fig. 3 is a cross-sectional view of Fig. 2, and Fig. 4 is an exploded perspective view of this invention. FIG. 5 is a front view showing a card sliding contact portion of a conventional electromagnetic relay. 2...Terminal base, 5...Iron core, 8...Card, 9, 10...Iron piece, 11...Permanent magnet, 21
...Protrusion, A...electromagnetic block, B...movable block, C...contact mechanism.
Claims (1)
電磁石ブロツクと、上記鉄心の長手方向一端側磁
極部の両側にそれぞれ対向して配置された１対の
鉄片および両鉄片間を磁気的に結合する永久磁石
を保持して水平移動可能に設定された合成樹脂製
カードを有する可動ブロツクと、可動ブロツクに
駆動される接点機構とを備え、上記カードの水平
移動時に上記鉄心の上面に摺接する突起を上記カ
ードに一体形成したことを特徴とする電磁継電
器。 Magnetically coupling an electromagnetic block having an iron core disposed along a terminal base, a pair of iron pieces facing each other on both sides of a magnetic pole portion at one end in the longitudinal direction of the iron core, and both iron pieces. It is equipped with a movable block having a synthetic resin card that holds a permanent magnet and is set to be horizontally movable, and a contact mechanism driven by the movable block, and has a protrusion that slides into contact with the upper surface of the iron core when the card is horizontally moved. An electromagnetic relay characterized by being integrally formed with the above card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18139685U JPH0347239Y2 (en) | 1985-11-25 | 1985-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18139685U JPH0347239Y2 (en) | 1985-11-25 | 1985-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6289744U JPS6289744U (en) | 1987-06-09 |
| JPH0347239Y2 true JPH0347239Y2 (en) | 1991-10-08 |
Family
ID=31126227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18139685U Expired JPH0347239Y2 (en) | 1985-11-25 | 1985-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0347239Y2 (en) |
-
1985
- 1985-11-25 JP JP18139685U patent/JPH0347239Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6289744U (en) | 1987-06-09 |
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