JPH04255626A - Electromagnetic relay - Google Patents
Electromagnetic relayInfo
- Publication number
- JPH04255626A JPH04255626A JP1627391A JP1627391A JPH04255626A JP H04255626 A JPH04255626 A JP H04255626A JP 1627391 A JP1627391 A JP 1627391A JP 1627391 A JP1627391 A JP 1627391A JP H04255626 A JPH04255626 A JP H04255626A
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- terminal
- fixed terminal
- electromagnetic relay
- insulator base
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は電磁継電器に関し、特に
固定端子の形状を改良した電磁継電器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic relay, and more particularly to an electromagnetic relay with an improved fixed terminal shape.
【０００２】0002
【従来の技術】従来、かかる電磁継電器は平板状の接極
子や可能接点ばねおよびヒンジばねを固定する接極子組
立体と、コ字形鉄心やコイルスプール，コイルおよび鉄
心の中央に配置した永久磁石を備えたコイル組立体と、
四隈に固定接点を有する固定端子を配置し各種端子を外
部に引き出す外部導出端子を設け且つ接極子組立体およ
びコイル組立体を内側に搭載する絶縁体基台と、絶縁体
基台の上から全体を覆うためのカバーとを有している。
かかる電磁継電器において、絶縁体基台に設けられる固
定端子は四隈の段差部上に配置され、その外部導出端子
となる部分が基台の外側で折曲げられるようになってい
る。[Prior Art] Conventionally, such electromagnetic relays include an armature assembly that fixes a flat armature, a contact spring, and a hinge spring, a U-shaped iron core, a coil spool, and a permanent magnet placed in the center of the coil and iron core. a coil assembly comprising;
An insulator base on which fixed terminals with fixed contacts are placed in the four corners, external lead-out terminals are provided to draw out various terminals to the outside, and an armature assembly and a coil assembly are mounted on the inside, and It has a cover for covering the whole. In such an electromagnetic relay, the fixed terminals provided on the insulator base are arranged on the stepped portions of the four corners, and the portions that become the external terminals are bent on the outside of the base.
【０００３】図４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絶縁体基台の部分断面図である。図
４に示すように、従来の電磁継電器における絶縁体基台
３は固定接点１９を溶着した固定端子１６Ａを四隈の段
差部の上に置かれる構造を有している。この固定端子１
６Ａの延長上の外部導出端子２０は絶縁体基台３の外側
で折曲げられる。FIG. 4 is a partial cross-sectional view of an insulator base in an electromagnetic relay for explaining an example of such a conventional electromagnetic relay. As shown in FIG. 4, an insulator base 3 in a conventional electromagnetic relay has a structure in which a fixed terminal 16A having a fixed contact 19 welded thereon is placed on a stepped portion between four corners. This fixed terminal 1
The external lead-out terminal 20 extending from 6A is bent on the outside of the insulator base 3.
【０００４】0004
【発明が解決しようとする課題】上述した従来の電磁継
電器は、その絶縁体基台に固定端子を取付ける際、絶縁
体基台の樹脂成形後に外部導出端子を折曲げているので
、図４に示すように、固定端子が段差部よりも矢印方向
に浮上がり、継電器特性そのものに多大な影響を与える
という欠点がある。また、従来の電磁継電器は固定端子
自体の熱容量が非常に小さいため、大電流の開閉時に接
点の溶着等の不具合を発生する原因になり易いという欠
点がある。[Problems to be Solved by the Invention] In the conventional electromagnetic relay described above, when attaching the fixed terminal to the insulator base, the external lead-out terminal is bent after resin molding of the insulator base. As shown, the fixed terminal rises above the stepped portion in the direction of the arrow, which has a drawback in that it has a great effect on the relay characteristics themselves. Further, in conventional electromagnetic relays, the heat capacity of the fixed terminal itself is very small, so there is a drawback that problems such as welding of contacts are likely to occur when switching large currents.
【０００５】本発明の目的は、かかる継電器特性を安定
化するとともに、接点自体の溶着を防止する電磁継電器
を提供することにある。An object of the present invention is to provide an electromagnetic relay that stabilizes the relay characteristics and prevents the contacts themselves from welding.
【０００６】[0006]
【課題を解決するための手段】本発明の電磁継電器は、
コイルを巻回したコイルボビンの中央にコ字形鉄心を貫
通させ且つその中央部に永久磁石を配置してなるコイル
組立体と、前記コ字形鉄心の両磁極部に両端が適合する
よう配置される接極子と前記接極子の傾動運動を支持す
るヒンジばねと前記接極子近傍に配置される可動接点ば
ねを絶縁固定体により一体固定する接極子組立体と、固
定接点を被着した固定端子と外部導出端子を植設すると
ともに前記コイル組立体を固定する絶縁体基台と、全体
を覆うカバーとを備え、前記ヒンジばねを前記絶縁体基
台の中立端子に固着する電磁継電器において、前記固定
接点を被着した前記固定端子は折曲部を介して前記固定
接点とは反対側に形成した仮固定端子および突起部を有
し、共に前記絶縁体基台に埋設して構成される。[Means for Solving the Problems] The electromagnetic relay of the present invention includes:
A coil assembly including a U-shaped iron core passed through the center of a coil bobbin around which a coil is wound and a permanent magnet arranged in the center thereof, and a connector whose both ends are arranged so as to fit with both magnetic pole parts of the U-shaped iron core. An armature assembly that integrally fixes a pole, a hinge spring that supports the tilting movement of the armature, and a movable contact spring disposed near the armature using an insulating fixing body, a fixed terminal having a fixed contact attached thereto, and an external lead-out. An electromagnetic relay comprising an insulator base on which a terminal is implanted and the coil assembly is fixed, and a cover covering the entire body, and the hinge spring is fixed to a neutral terminal of the insulator base, wherein the fixed contact is fixed to the electromagnetic relay. The adhered fixed terminal has a temporary fixed terminal and a protrusion formed on the opposite side of the fixed contact via a bent portion, and both are embedded in the insulator base.
【０００７】[0007]
【実施例】次に、本発明の実施例について図面を参照し
て説明する。Embodiments Next, embodiments of the present invention will be described with reference to the drawings.
【０００８】図１は本発明の一実施例を説明するための
電磁継電器の部品組立図である。図１に示すように、本
実施例は接極子組立体１およびコイル組立体２を絶縁体
基台３に搭載し、カバー４で覆うことにより構成される
。この接極子組立体１は接極子１１と可動接点１２を有
する可動接点ばね１４およびヒンジばね１３を下面に突
起（図示省略）を有する絶縁固定体１５で固定して構成
され、しかも可動接点ばね１４は接極子１１の両側に設
けられる。また、コイル組立体２はコイル７が巻回され
るコイルボビン６の中心に配置されるコ字形鉄心５を有
し、コイル端子１０をコイルボビン６の両側に植設する
とともに、コイルボビン６の中央の穴部８に永久磁石９
を装着して構成される。尚、永久磁石９の上面には前述
した接極子組立体１の絶縁固定体１５に形成した下面突
起が当接し、接極子組立体１のテコ運動を支える。更に
、コイル組立体２等を搭載する絶縁体基台３は箱形形状
を有し、四隈の段差部に固定接点１９を被着した固定端
子１６を配置している。しかも、この絶縁体基台３の周
辺には、接極子組立体１のヒンジばね１３と固定される
中立端子１７と、コイル組立体２のコイル端子１０に固
定されるコイル導出端子１８とが植設され、側面には固
定端子１６等を電気的に外部に導出する外部導出端子２
０が折り曲げて形成される。FIG. 1 is an assembly diagram of parts of an electromagnetic relay for explaining one embodiment of the present invention. As shown in FIG. 1, this embodiment is constructed by mounting an armature assembly 1 and a coil assembly 2 on an insulator base 3 and covering them with a cover 4. This armature assembly 1 is constructed by fixing an armature 11, a movable contact spring 14 having a movable contact 12, and a hinge spring 13 with an insulating fixed body 15 having a protrusion (not shown) on the lower surface. are provided on both sides of the armature 11. Further, the coil assembly 2 has a U-shaped iron core 5 disposed at the center of a coil bobbin 6 around which a coil 7 is wound, and coil terminals 10 are implanted on both sides of the coil bobbin 6, and a hole in the center of the coil bobbin 6 is provided. Permanent magnet 9 in part 8
It is configured by attaching. Incidentally, the lower surface protrusion formed on the insulating fixed body 15 of the armature assembly 1 mentioned above comes into contact with the upper surface of the permanent magnet 9, and supports the lever movement of the armature assembly 1. Furthermore, the insulator base 3 on which the coil assembly 2 and the like are mounted has a box-like shape, and fixed terminals 16 having fixed contacts 19 attached thereto are arranged at the stepped portions of the four corners. Moreover, a neutral terminal 17 fixed to the hinge spring 13 of the armature assembly 1 and a coil lead-out terminal 18 fixed to the coil terminal 10 of the coil assembly 2 are planted around the insulator base 3. An external lead-out terminal 2 is provided on the side for electrically leading out the fixed terminal 16 and the like to the outside.
0 is formed by bending.
【０００９】図２は図１に示す固定端子の展開平面図で
ある。図２に示すように、本実施例における固定接点１
９が溶着される固定端子１６はその先端に折曲げ部２１
を介して仮固定端子２２が設けられている。この仮固定
端子２２は破線で示す折曲げ部２１および折曲げ易いよ
うに切込んだ切欠き部２４が設けられている。また、仮
固定端子２２は先端の両側に固定効果を上げるための突
起部２３を形成している。FIG. 2 is a developed plan view of the fixed terminal shown in FIG. As shown in FIG. 2, the fixed contact 1 in this embodiment
The fixed terminal 16 to which 9 is welded has a bent portion 21 at its tip.
A temporary fixing terminal 22 is provided through the terminal. This temporary fixing terminal 22 is provided with a bent portion 21 shown by a broken line and a cutout portion 24 cut to facilitate bending. Further, the temporary fixing terminal 22 has protrusions 23 formed on both sides of the tip to improve the fixing effect.
【００１０】図３は図２に示す固定端子を樹脂成形した
絶縁体基台に固定した状態の部分断面図である。図３に
示すように、固定端子１６は折曲げられた仮固定端子２
２を絶縁体基台３の内部に埋設し、しかも突起部２３が
開いているため、固定端子１６は樹脂成形した絶縁体基
台３の段差部上に固定される。しかる後、外部導出端子
２０を直角に曲げれば、固定端子１６は絶縁体基台３の
段差部から浮上がることはなくなる。FIG. 3 is a partial sectional view of the fixed terminal shown in FIG. 2 fixed to a resin-molded insulator base. As shown in FIG. 3, the fixed terminal 16 is a bent temporary fixed terminal 2.
2 is buried inside the insulator base 3, and the protrusion 23 is open, so that the fixed terminal 16 is fixed on the stepped part of the resin-molded insulator base 3. After that, if the external lead-out terminal 20 is bent at a right angle, the fixed terminal 16 will no longer float above the stepped portion of the insulator base 3.
【００１１】[0011]
【発明の効果】以上説明したように、本発明の電磁継電
器は、固定端子の先端に仮固定端子を設け、折り曲げて
絶縁体基台内に植設することにより、固定端子の先端お
よび根本を絶縁体基台により固定できるので、外部導出
端子を折り曲げる際に固定端子が浮き上がることがなく
なり、継電器特性を安定化できるという効果がある。ま
た、本発明は固定端子自体を大きくしているため、大電
流を開閉した時に発生する熱の放散特性に優れ、接点金
属の転移等による溶着などを防止し、長寿命化できると
いう効果がある。[Effects of the Invention] As explained above, in the electromagnetic relay of the present invention, the temporary fixed terminal is provided at the tip of the fixed terminal, and by bending and planting it in the insulator base, the tip and base of the fixed terminal can be fixed. Since it can be fixed using an insulator base, the fixed terminal will not be lifted up when the external lead-out terminal is bent, which has the effect of stabilizing the relay characteristics. In addition, since the fixed terminal itself is large in the present invention, it has excellent dissipation properties for heat generated when switching on and off a large current, prevents welding due to transfer of contact metal, etc., and has the effect of extending service life. .
【図１】本発明の一実施例を説明するための電磁継電器
の部品組立図である。FIG. 1 is a component assembly diagram of an electromagnetic relay for explaining one embodiment of the present invention.
【図２】図１に示す固定端子の展開平面図である。FIG. 2 is a developed plan view of the fixed terminal shown in FIG. 1;
【図３】図２に示す固定端子を樹脂成形した絶縁体基台
に固定した状態の部分断面図である。FIG. 3 is a partial cross-sectional view of the fixed terminal shown in FIG. 2 fixed to an insulator base made of resin.
【図４】従来の一例を説明するための電磁継電器におけ
る絶縁体基台の部分断面図である。FIG. 4 is a partial sectional view of an insulator base in an electromagnetic relay for explaining a conventional example.
１ 接極子組立体 ２ コイル組立体 ３ 絶縁体基台 ４ カバー ５ 鉄心 ６ コイルボビン ７ コイル ９ 永久磁石 １１ 接極子 １２ 可動接点 １３ ヒンジばね １４ 可動接点ばね １５ 絶縁固定体 １６ 固定端子 １７ 中立端子 １９ 固定接点 ２０ 外部導出端子 ２１ 折曲げ部 ２２ 仮固定端子 ２３ 突起部 ２４ 切欠き部 1 Armature assembly 2 Coil assembly 3 Insulator base 4 Cover 5 Iron core 6 Coil bobbin 7 Coil 9 Permanent magnet 11 Armature 12 Movable contact 13 Hinge spring 14 Movable contact spring 15 Insulating fixed body 16 Fixed terminal 17 Neutral terminal 19 Fixed contact 20 External lead-out terminal 21 Bending part 22 Temporary fixed terminal 23 Protrusion 24 Notch part
Claims (2)
にコ字形鉄心を貫通させ且つその中央部に永久磁石を配
置してなるコイル組立体と、前記コ字形鉄心の両磁極部
に両端が適合するよう配置される接極子と前記接極子の
傾動運動を支持するヒンジばねと前記接極子近傍に配置
される可動接点ばねとを絶縁固定体により一体固定する
接極子組立体と、固定接点を被着した固定端子と外部導
出端子を植設するとともに前記コイル組立体を固定する
絶縁体基台と、全体を覆うカバーとを備え、前記ヒンジ
ばねを前記絶縁体基台の中立端子に固着する電磁継電器
において、前記固定接点を被着した前記固定端子は折曲
部を介して前記固定接点とは反対側に形成した仮固定端
子および突起部を有し、共に前記絶縁体基台に埋設され
ることを特徴とする電磁継電器。1. A coil assembly comprising a U-shaped iron core passed through the center of a coil bobbin around which a coil is wound, and a permanent magnet arranged in the center thereof, and both ends of which are adapted to both magnetic pole parts of the U-shaped iron core. an armature assembly that integrally fixes an armature disposed as shown in FIG. An electromagnetic relay comprising: an insulator base on which a fixed terminal and an external lead-out terminal are implanted, and a cover that covers the entire body; and an electromagnetic relay that fixes the hinge spring to a neutral terminal of the insulator base. In the above, the fixed terminal to which the fixed contact is attached has a temporary fixed terminal and a protrusion formed on the opposite side of the fixed contact via a bent part, and both are buried in the insulator base. An electromagnetic relay featuring:
より幅を狭くしていることを特徴とする請求項１記載の
電磁継電器。2. The electromagnetic relay according to claim 1, wherein the bent portion of the fixed terminal has a width narrowed by a notch portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1627391A JP2887914B2 (en) | 1991-02-07 | 1991-02-07 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1627391A JP2887914B2 (en) | 1991-02-07 | 1991-02-07 | Electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04255626A true JPH04255626A (en) | 1992-09-10 |
| JP2887914B2 JP2887914B2 (en) | 1999-05-10 |
Family
ID=11911941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1627391A Expired - Fee Related JP2887914B2 (en) | 1991-02-07 | 1991-02-07 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2887914B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183285A (en) * | 2003-12-22 | 2005-07-07 | Omron Corp | Switching device |
-
1991
- 1991-02-07 JP JP1627391A patent/JP2887914B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183285A (en) * | 2003-12-22 | 2005-07-07 | Omron Corp | Switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2887914B2 (en) | 1999-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19990119 |
|
| LAPS | Cancellation because of no payment of annual fees |