JP2001222940A - Electromagnetic switch - Google Patents

Electromagnetic switch

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Publication number
JP2001222940A
JP2001222940A JP2000033332A JP2000033332A JP2001222940A JP 2001222940 A JP2001222940 A JP 2001222940A JP 2000033332 A JP2000033332 A JP 2000033332A JP 2000033332 A JP2000033332 A JP 2000033332A JP 2001222940 A JP2001222940 A JP 2001222940A
Authority
JP
Japan
Prior art keywords
movable
iron core
interlocking lever
core
electromagnetic switch
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
JP2000033332A
Other languages
Japanese (ja)
Inventor
Takeshi Sekiguchi
剛 関口
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2000033332A priority Critical patent/JP2001222940A/en
Publication of JP2001222940A publication Critical patent/JP2001222940A/en
Pending legal-status Critical Current

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an electromagnetic switch, controlling generation of abrasion powder in motion of an interlocking lever and hardly causing contact failure of contacts when a very small quantity of abrasion powder is generated. SOLUTION: The magnetic switch comprises a movable core 23 to be attracted to/separated from a fixed core 5 by a magnet, a movable frame 28 with a movable contact element 27 interlocking with the movement of the movable core 23, an interlocking lever 21 with a first end inserted into a loose engagement part 23a formed in the movable core 23 and a second end being the center of rotation, inserted into a receiving groove 2a formed on the opposite side from the movable core 23 by way the movable frame 28, and a projecting piece 21a mounted on the interlocking lever 21, abutting to the surface opposite from the movable frame 28 of the movable core 23.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、電磁開閉器、特
にその駆動伝達部品に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic switch, and more particularly to a drive transmission component thereof.

【0002】[0002]

【従来の技術】図7及び図8に、例えば特開昭64−4
8339号に示される従来の電磁開閉器を示す。この電
磁開閉器は、金属から成る連動レバー1と、連動レバー
1の受け溝2aを形成したケース2と、このケース2に
収納されるとともに可動鉄心3,操作コイル4及び固定
鉄心5を有する電磁石6と、ケース2に収納され可動鉄
心3と平行に移動する可動接触子7を有する絶縁体から
成る可動枠8と、可動枠8を図中右方向へ押し付ける戻
しばね9と、可動枠8の案内板としての機能を有する絶
縁板10とを備えている。なお、連動レバー1は、可動
鉄心3と可動枠8とを連動させるものであり、可動鉄心
3の方向(図面において下方)に移動すること、すなわ
ち位置ずれを防止するために、可動枠8に形成された受
け面8aと当接する突起1aを有するものである。
2. Description of the Related Art FIG. 7 and FIG.
8 shows a conventional electromagnetic switch shown in No. 8339. The electromagnetic switch includes an interlocking lever 1 made of metal, a case 2 having a receiving groove 2a for the interlocking lever 1, and an electromagnet housed in the case 2 and having a movable core 3, an operation coil 4, and a fixed iron core 5. 6, a movable frame 8 made of an insulator having a movable contact 7 accommodated in the case 2 and moving in parallel with the movable iron core 3, a return spring 9 for pressing the movable frame 8 rightward in the drawing, and An insulating plate 10 having a function as a guide plate. In addition, the interlocking lever 1 links the movable iron core 3 and the movable frame 8, and moves in the direction of the movable iron core 3 (downward in the drawing). It has a projection 1a that comes into contact with the formed receiving surface 8a.

【0003】図7及び図8に示した構成の電磁開閉器
は、電磁石6の励磁により可動鉄心3が固定鉄心5に吸
引され、連動レバー1がケース2の受け溝2aを中心に
回転することにより可動枠8を移動させ、この可動枠8
の移動により可動接触子7の接点を開閉する。このとき
連動レバー1は、突起1aが可動枠8の受け面8aと当
接することにより可動鉄心3の方向への移動、すなわち
位置ずれを制限されている。
In the electromagnetic switch having the configuration shown in FIGS. 7 and 8, the movable core 3 is attracted to the fixed core 5 by the excitation of the electromagnet 6, and the interlocking lever 1 rotates about the receiving groove 2 a of the case 2. The movable frame 8 is moved by
The contact of the movable contact 7 is opened and closed by the movement of. At this time, the movement of the interlocking lever 1 in the direction of the movable core 3, that is, the displacement, is restricted by the projection 1 a contacting the receiving surface 8 a of the movable frame 8.

【0004】図9及び図10に、例えば特開昭64−4
8339号に示される他の従来例を示す。この電磁開閉
器は、金属から成る連動レバー11と、連動レバー11
の受け溝12aを形成したケース12と、このケース1
2に収納されるとともに可動鉄心13,操作コイル4及
び固定鉄心5を有する電磁石6と、ケース12に収納さ
れ可動鉄心13と平行に移動する可動接触子17を有す
る絶縁体から成る可動枠18と、可動鉄心13の端部に
取り付けられた絶縁材料から成るガイド19と、可動枠
18を図中右方向へ押し付ける戻しばね9と、可動枠1
8の案内板としての機能を有する絶縁板10とを備えて
いる。
FIG. 9 and FIG.
No. 8339 shows another conventional example. The electromagnetic switch includes an interlocking lever 11 made of metal and an interlocking lever 11.
Case 12 in which a receiving groove 12a of
An electromagnet 6 housed in a housing 2 and having a movable core 13, an operating coil 4 and a fixed core 5; a movable frame 18 formed of an insulator having a movable contact 17 housed in a case 12 and moving in parallel with the movable core 13; A guide 19 made of an insulating material attached to an end of the movable iron core 13, a return spring 9 for pressing the movable frame 18 rightward in the figure, and the movable frame 1
8 and an insulating plate 10 having a function as a guide plate.

【0005】なお、連動レバー11は、可動鉄心13と
可動枠18とを連動させるものであり、可動鉄心13の
方向(図面において下方)に移動することを防止するた
めに可動鉄心13の端部に取り付けられたガイド19に
形成された受け面19aと当接する突起11aを有する
ものである。
[0005] The interlocking lever 11 links the movable iron core 13 and the movable frame 18, and is provided at an end of the movable iron core 13 to prevent the movable iron core 13 from moving in the direction of the movable iron core 13 (downward in the drawing). Has a projection 11a that comes into contact with a receiving surface 19a formed on a guide 19 attached to the guide.

【0006】図9及び図10に示した構成の電磁開閉器
は、電磁石6の励磁により可動鉄心13が固定鉄心5へ
吸引され、連動レバー11がケース12の受け溝12a
を中心に回転して、可動枠18を移動させ可動接触子1
7の接点を開閉する。このとき連動レバー11は、突起
11aがガイド19の受け面19aと当接することによ
り可動鉄心13の方向への移動、すなわち位置ずれを制
限されている。
In the electromagnetic switch having the structure shown in FIGS. 9 and 10, the movable iron core 13 is attracted to the fixed iron core 5 by the excitation of the electromagnet 6, and the interlocking lever 11 is moved to the receiving groove 12 a of the case 12.
To move the movable frame 18 to move the movable contact 1
7 contacts are opened and closed. At this time, the movement of the interlocking lever 11 in the direction of the movable core 13, that is, the displacement, is restricted by the projection 11 a contacting the receiving surface 19 a of the guide 19.

【0007】[0007]

【発明が解決しようとする課題】しかし、図7及び図8
に示した構造の従来の電磁開閉器は、金属から成る連動
レバーと絶縁材料から成る可動枠とが、連動レバーに形
成された突起と可動枠に形成された受け面とが当接する
ことにより位置決めされているため、開閉動作を繰り返
すにつれ可動枠の受け面が摩耗し、摩耗粉が発生する。
そして、受け面が接点の近傍にあるため、発生した摩耗
粉が接点間に噛み込み、接点の接触不良を生じ易いとい
う問題があった。
However, FIG. 7 and FIG.
In the conventional electromagnetic switch with the structure shown in (1), the interlocking lever made of metal and the movable frame made of insulating material are positioned by the contact between the projection formed on the interlocking lever and the receiving surface formed on the movable frame. Therefore, as the opening / closing operation is repeated, the receiving surface of the movable frame is worn, and abrasion powder is generated.
In addition, since the receiving surface is near the contact, there is a problem that the generated abrasion powder is caught between the contacts, and the contact failure of the contact is likely to occur.

【0008】一方、図9及び図10に示した構造の従来
の電磁開閉器においては、連動レバーと可動鉄心との結
合のために別体のガイドを用いているため、部品点数が
増え、組立がし難く、組立作業効率が悪いという問題が
あった。
On the other hand, in the conventional electromagnetic switch having the structure shown in FIGS. 9 and 10, since a separate guide is used for connecting the interlocking lever and the movable iron core, the number of parts is increased and the assembly is increased. However, there has been a problem that the assembly work is difficult and the assembly work efficiency is poor.

【0009】この発明は、上述の課題を解決するためな
されたもので、連動レバーの動作に伴なう摩耗粉の発生
を抑制し、また、もし摩耗粉が微量に発生しても、接点
の接触不良には至り難い電磁開閉器を得るものである。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and suppresses the generation of wear powder accompanying the operation of the interlocking lever. An object is to obtain an electromagnetic switch that is unlikely to cause poor contact.

【0010】また、部品点数を低減し、組立作業効率を
向上し、安価な電磁開閉器を得るものである。
It is another object of the present invention to reduce the number of parts, improve the efficiency of assembly work, and obtain an inexpensive electromagnetic switch.

【0011】[0011]

【課題を解決するための手段】この発明に係る電磁開閉
器は、電磁石により固定鉄心と吸着,離反する可動鉄心
と、可動接触子を有し前記可動鉄心の移動と連動する可
動枠と、前記可動鉄心に形成された遊嵌部に挿入される
第一の端部及び前記可動枠を介して前記可動鉄心と対向
側に設けられた受け部に遊挿され回動中心となる第二の
端部を有する連動レバーと、この連動レバーに設けられ
前記可動鉄心の前記可動枠と対向する側の面と当接する
突起片とを備えたものである。
According to the present invention, there is provided an electromagnetic switch comprising: a movable core which is attracted to and separated from a fixed core by an electromagnet; a movable frame which has a movable contact and is linked to the movement of the movable core; A first end inserted into a loose fitting portion formed on the movable core and a second end which is loosely inserted into a receiving portion provided on the side opposite to the movable core through the movable frame and becomes a rotation center. An interlocking lever having a portion, and a projection provided on the interlocking lever and in contact with a surface of the movable iron core facing the movable frame.

【0012】また、連動レバーの突起片の可動鉄心との
当接部を面取りしたものである。
Further, a contact portion of the projecting piece of the interlocking lever with the movable iron core is chamfered.

【0013】また、連動レバーを、可動鉄心と同一の材
質としたものである。
Further, the interlocking lever is made of the same material as the movable iron core.

【0014】[0014]

【発明の実施の形態】実施の形態1.この発明の第1の
実施の形態による電磁開閉器を、図1乃至図3を用いて
説明する。図1はこの発明の第1の実施の形態の電磁開
閉器の操作コイルへの電圧の非印加時の断面図、図2は
図1に示した電磁開閉器の操作コイルへの電圧の印加時
の断面図、図3は連動レバー及び可動鉄心の斜視図を示
す。図中、同一符号は同一部品を示す。また、従来例の
図面と同一または相当の部品は同一の符号で示し、詳細
な説明は省略する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 An electromagnetic switch according to a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a cross-sectional view of the electromagnetic switch according to the first embodiment of the present invention when no voltage is applied to the operation coil, and FIG. 2 is a diagram illustrating the application of voltage to the operation coil of the electromagnetic switch shown in FIG. 3 is a perspective view of the interlocking lever and the movable iron core. In the drawings, the same reference numerals indicate the same parts. Parts that are the same as or correspond to the drawings of the conventional example are denoted by the same reference numerals, and detailed description thereof is omitted.

【0015】図1において、21は連動レバー、23は
可動鉄心、27は可動接触子、28は可動枠である。連
動レバー21と可動鉄心23とは、同一の金属材料で構
成されている。連動レバー21は、可動鉄心23と可動
枠28とを連動させるものであり、可動鉄心23とケー
ス2の受け溝2aとの間に配置されている。連動レバー
21は、その一端部が可動鉄心23自体に形成された遊
嵌部23aに挿入されるとともに、可動鉄心23の方向
(図面において下方)に移動すること、すなわち位置ず
れを防止するために可動鉄心23に形成された当接面2
3bと当接する突起片21aを有するものである。
In FIG. 1, 21 is an interlocking lever, 23 is a movable iron core, 27 is a movable contact, and 28 is a movable frame. The interlocking lever 21 and the movable iron core 23 are made of the same metal material. The interlocking lever 21 is for interlocking the movable iron core 23 and the movable frame 28, and is disposed between the movable iron core 23 and the receiving groove 2 a of the case 2. One end of the interlocking lever 21 is inserted into the loose fitting portion 23a formed on the movable core 23 itself, and moves in the direction of the movable core 23 (downward in the drawing), that is, in order to prevent displacement. Contact surface 2 formed on movable iron core 23
3b is provided with a protruding piece 21a that comes into contact with 3b.

【0016】次に動作について説明する。操作コイル4
に電圧が印加され電磁石6が励磁されると、電磁吸引力
により可動鉄心23が固定鉄心5に吸引され、この吸引
に連動して連動レバー21がケース2の受け溝2aを支
点として回転し、可動枠28を移動させ、図2に示すよ
うに接点を閉路する。また操作コイル4への電圧の非印
加時、連動レバー21は戻しバネ9の力により、再度図
1に示す位置まで移動する。この動作中、連動レバー2
1の可動鉄心23方向への移動は当接面23bにより制
限され、連動レバー21と可動鉄心23とは共に金属で
作られているため、開閉時、可動鉄心23と連動レバー
21との当接面における摩耗粉の発生を抑制できる。
Next, the operation will be described. Operation coil 4
When the voltage is applied to the electromagnet 6 and the electromagnet 6 is excited, the movable iron core 23 is attracted to the fixed iron core 5 by electromagnetic attraction, and the interlocking lever 21 rotates about the receiving groove 2 a of the case 2 as a fulcrum in conjunction with the attraction. The movable frame 28 is moved, and the contacts are closed as shown in FIG. When no voltage is applied to the operation coil 4, the interlocking lever 21 moves to the position shown in FIG. 1 again by the force of the return spring 9. During this operation, interlock lever 2
1 is restricted by the contact surface 23b, and both the interlocking lever 21 and the movable iron core 23 are made of metal. Generation of wear powder on the surface can be suppressed.

【0017】また、もし摩耗粉が微量に発生しても、可
動鉄心23において発生するため、可動枠28に設けら
れた接点には摩耗粉の影響は及ばず、摩耗粉が接点間に
噛み込むことによる接点の接触不良を極めて発生し難く
することが可能である。
Even if a small amount of abrasion powder is generated, the abrasion powder does not affect the contacts provided on the movable frame 28 because the abrasion powder does not affect the contacts provided on the movable frame 23 because the abrasion powder bites between the contacts. This makes it possible to make contact failures of the contacts extremely unlikely to occur.

【0018】また、遊嵌部23a及び当接面23bを可
動鉄心23自体に設けることにより、部品点数の低減及
び組立の簡素化によるコスト低減が可能となる。
Further, by providing the loose fitting portion 23a and the contact surface 23b on the movable iron core 23 itself, it is possible to reduce the number of parts and to simplify the assembly to reduce the cost.

【0019】実施の形態2.この発明の第2の実施の形
態による電磁開閉器を、図4乃至図6を用いて説明す
る。図4はこの発明の第2の実施の形態による電磁開閉
器の連動レバー及び可動鉄心の斜視図、図5は操作コイ
ルへの電圧の印加時の可動鉄心当接部の拡大図,図6は
操作コイルへの電圧の非印加時の可動鉄心当接部の拡大
図を示す。図中同一符号は、同一部品を示す。また、従
来例または第1の実施の形態の図面と同一または相当の
部品は同一の符号で示し、詳細な説明は省略する。
Embodiment 2 An electromagnetic switch according to a second embodiment of the present invention will be described with reference to FIGS. FIG. 4 is a perspective view of an interlocking lever and a movable core of an electromagnetic switch according to a second embodiment of the present invention, FIG. 5 is an enlarged view of a movable core contact portion when a voltage is applied to an operation coil, and FIG. FIG. 3 is an enlarged view of a movable core contact portion when no voltage is applied to an operation coil. The same reference numerals in the drawings indicate the same parts. Also, the same or corresponding parts as those in the drawings of the conventional example or the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

【0020】図4において、連動レバー21の突起片2
1aの可動鉄心23と当接する部分を面取りしたこと、
すなわちテーパ21bを設けていること以外は図3のも
のと同様である。操作コイル4への電圧の印加時、連動
レバー21と可動鉄心23とは図5に示す位置に配置さ
れ、また操作コイル4への電圧の非印加時、連動レバー
21は戻しバネ9の力により、図6の位置まで移動す
る。この接点の開閉動作中、テーパ21bが連動レバー
21の動作をより安定化,円滑化させることにより、動
作時、可動鉄心23と連動レバー21との当接面23b
における摩耗粉の発生を、上述の第1の実施の形態のも
の以上に抑制することができる。
In FIG. 4, the projection 2 of the interlocking lever 21
1a that the portion in contact with the movable iron core 23 is chamfered;
That is, it is the same as that of FIG. 3 except that the taper 21b is provided. When a voltage is applied to the operation coil 4, the interlocking lever 21 and the movable iron core 23 are arranged at positions shown in FIG. 5. When no voltage is applied to the operation coil 4, the interlocking lever 21 is moved by the force of the return spring 9. , To the position shown in FIG. During the opening and closing operation of the contacts, the taper 21b further stabilizes and smoothes the operation of the interlocking lever 21, so that the contact surface 23b between the movable iron core 23 and the interlocking lever 21 at the time of operation.
Can be suppressed more than in the first embodiment described above.

【0021】また、この実施の形態のものでは、面取り
した面は平面としたが、その他に、例えば曲面状の面と
しても良い。
In this embodiment, the chamfered surface is a flat surface, but may be, for example, a curved surface.

【0022】[0022]

【発明の効果】以上のように、この発明によれば、連動
レバーが可動鉄心方向に位置ずれすることを防止するた
めの突起片を、可動鉄心の可動枠と対向する側の面と当
接するように設けることとしたため、開閉動作時、連動
レバーと可動鉄心との当接面における摩耗粉の発生を抑
制することができ、また、もし摩耗粉が微量に発生して
も、可動鉄心において発生するため、可動枠に設けられ
た接点には摩耗粉の影響は及ばず、摩耗粉が接点間に噛
み込むことによる接点の接触不良を極めて発生し難くす
ることが出来るといった効果を奏する。
As described above, according to the present invention, the protrusion for preventing the interlocking lever from being displaced in the direction of the movable core comes into contact with the surface of the movable core facing the movable frame. As a result, during the opening and closing operation, it is possible to suppress the generation of abrasion powder on the contact surface between the interlocking lever and the movable iron core. Therefore, the contact provided on the movable frame is not affected by the abrasion powder, and an effect that the contact failure of the contact due to the abrasion powder caught between the contacts can be extremely hardly generated.

【0023】また、連動レバーの突起片の可動鉄心との
当接部を面取りしたことにより、連動レバーの動作をよ
り安定化,円滑化させることにより、動作時の、可動鉄
心と連動レバーとの当接部における摩耗粉の発生を、よ
り抑制することが出来るといった効果を奏する。
Further, the operation of the interlocking lever is further stabilized and smoothed by chamfering the abutting portion of the projecting piece of the interlocking lever with the movable iron core. This produces an effect that generation of abrasion powder at the contact portion can be further suppressed.

【0024】また、連動レバーを、可動鉄心と同一の材
質としたことにより、可動鉄心と連動レバーとの当接部
における摩耗粉の発生を、より抑制することが出来ると
いった効果を奏する。
Further, by using the same material for the interlocking lever as that of the movable iron core, it is possible to further suppress the generation of abrasion powder at the contact portion between the movable iron core and the interlocking lever.

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

【図1】 この発明の第1の実施の形態の操作コイルへ
の電圧の非印加時の電磁開閉器の断面図。
FIG. 1 is a sectional view of an electromagnetic switch when a voltage is not applied to an operation coil according to a first embodiment of the present invention.

【図2】 この発明の第1の実施の形態の操作コイルへ
の電圧の印加時の電磁開閉器の断面図。
FIG. 2 is a sectional view of the electromagnetic switch when a voltage is applied to the operation coil according to the first embodiment of the present invention.

【図3】 この発明の第1の実施の形態の連動レバー及
び可動鉄心の斜視図。
FIG. 3 is a perspective view of an interlocking lever and a movable iron core according to the first embodiment of the present invention.

【図4】 この発明の第2の実施の形態の連動レバー及
び可動鉄心の斜視図。
FIG. 4 is a perspective view of an interlocking lever and a movable iron core according to a second embodiment of the present invention.

【図5】 この発明の第2の実施の形態の操作コイルへ
の電圧の印加時の可動鉄心当接部の拡大図。
FIG. 5 is an enlarged view of a movable core contact portion when a voltage is applied to an operation coil according to a second embodiment of the present invention.

【図6】 この発明の第2の実施の形態の操作コイルへ
の電圧の非印加時の可動鉄心当接部の拡大図。
FIG. 6 is an enlarged view of a movable core contact portion when a voltage is not applied to an operation coil according to a second embodiment of the present invention.

【図7】 従来の電磁開閉器の断面図。FIG. 7 is a sectional view of a conventional electromagnetic switch.

【図8】 従来の電磁開閉器の可動枠部の斜視図。FIG. 8 is a perspective view of a movable frame portion of a conventional electromagnetic switch.

【図9】 従来の電磁開閉器の断面図。FIG. 9 is a sectional view of a conventional electromagnetic switch.

【図10】 従来の電磁開閉器の可動枠部及び可動鉄心
部の斜視図。
FIG. 10 is a perspective view of a movable frame and a movable core of a conventional electromagnetic switch.

【符号の説明】[Explanation of symbols]

2a 受け溝 5 固定鉄心 21 連動レバー 21a 突起片 21b テーパ 23 可動鉄心 23a 遊嵌部 27 可動接触子 28 可動枠 2a receiving groove 5 fixed iron core 21 interlocking lever 21a projection piece 21b taper 23 movable iron core 23a loose fitting portion 27 movable contact 28 movable frame

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 電磁石により固定鉄心と吸着,離反する
可動鉄心と、可動接触子を有し前記可動鉄心の移動と連
動する可動枠と、前記可動鉄心に形成された遊嵌部に挿
入される第一の端部及び前記可動枠を介して前記可動鉄
心と対向側に設けられた受け部に遊挿され回動中心とな
る第二の端部を有する連動レバーと、この連動レバーに
設けられ前記可動鉄心の前記可動枠と対向する側の面と
当接する突起片とを備えたことを特徴とする電磁開閉
器。
1. A movable iron core which is attracted to and separated from a fixed iron core by an electromagnet, a movable frame having a movable contact and interlocked with the movement of the movable iron core, and is inserted into a loose fitting portion formed on the movable iron core. An interlocking lever having a first end and a second end serving as a rotation center, which is loosely inserted into a receiving portion provided on the side opposite to the movable iron core via the movable frame, and provided on the interlocking lever. An electromagnetic switch, comprising: a projection piece abutting a surface of the movable iron core on a side facing the movable frame.
【請求項2】 連動レバーの突起片の可動鉄心との当接
部を面取りしたことを特徴とする請求項1に記載の電磁
開閉器。
2. The electromagnetic switch according to claim 1, wherein a contact portion of the projecting piece of the interlocking lever with the movable iron core is chamfered.
【請求項3】 連動レバーを、可動鉄心と同一の材質と
したことを特徴とする請求項1または請求項2のいずれ
かに記載の電磁開閉器。
3. The electromagnetic switch according to claim 1, wherein the interlocking lever is made of the same material as the movable iron core.
JP2000033332A 2000-02-10 2000-02-10 Electromagnetic switch Pending JP2001222940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000033332A JP2001222940A (en) 2000-02-10 2000-02-10 Electromagnetic switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000033332A JP2001222940A (en) 2000-02-10 2000-02-10 Electromagnetic switch

Publications (1)

Publication Number Publication Date
JP2001222940A true JP2001222940A (en) 2001-08-17

Family

ID=18557827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000033332A Pending JP2001222940A (en) 2000-02-10 2000-02-10 Electromagnetic switch

Country Status (1)

Country Link
JP (1) JP2001222940A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011148448A1 (en) * 2010-05-27 2011-12-01 富士電機機器制御株式会社 Electromagnetic contactor and method of assembling electromagnetic contactor
US20120056701A1 (en) * 2009-08-20 2012-03-08 Fuji Electric Fa Components & Systems Co., Ltd. Electromagnetic contact device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120056701A1 (en) * 2009-08-20 2012-03-08 Fuji Electric Fa Components & Systems Co., Ltd. Electromagnetic contact device
US8274346B2 (en) * 2009-08-20 2012-09-25 Fuji Electric Fa Components & Systems Co., Ltd. Electromagnetic contact device
WO2011148448A1 (en) * 2010-05-27 2011-12-01 富士電機機器制御株式会社 Electromagnetic contactor and method of assembling electromagnetic contactor
JP2011249156A (en) * 2010-05-27 2011-12-08 Fuji Electric Fa Components & Systems Co Ltd Electromagnetic contactor, and method for assembling electromagnetic contactor
CN102725814A (en) * 2010-05-27 2012-10-10 富士电机机器制御株式会社 Electromagnetic contactor and method of assembling electromagnetic contactor
US8410877B1 (en) 2010-05-27 2013-04-02 Fuji Electric Fa Components & Systems Co., Ltd. Electromagnetic contactor and assembly method for the same

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