JPH0643980Y2 - Electromagnetic contactor - Google Patents
Electromagnetic contactorInfo
- Publication number
- JPH0643980Y2 JPH0643980Y2 JP9549488U JP9549488U JPH0643980Y2 JP H0643980 Y2 JPH0643980 Y2 JP H0643980Y2 JP 9549488 U JP9549488 U JP 9549488U JP 9549488 U JP9549488 U JP 9549488U JP H0643980 Y2 JPH0643980 Y2 JP H0643980Y2
- Authority
- JP
- Japan
- Prior art keywords
- reversing lever
- plunger
- electromagnet
- coil
- 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 - Lifetime
Links
Landscapes
- Electromagnets (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、有極型電磁継電器等の電磁接触器に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an electromagnetic contactor such as a polarized electromagnetic relay.
第７図ないし第９図に従来例（たとえば特公昭62−1733
3号）を示す。すなわち、この電磁接触器は、有極の電
磁石100の側部に接点駆動用の可動台101が配設されたも
ので、可動台101とプランジャ102との連結においては反
転レバー103の略中央に軸104を通し、この軸104を電磁
石100のコイル枠105の壁の軸孔106で支持し、反転レベ
ー103のプランジャ102側はレバー端に軸107を通しこの
軸107を連結体108の溝109に上方向より嵌め込み、かつ
この連結体108はプランジャ102にかしめなどで加圧挿入
している。7 to 9 show a conventional example (for example, Japanese Examined Patent Publication No. 62-1733).
No. 3) is shown. That is, in this electromagnetic contactor, the movable base 101 for driving the contacts is arranged on the side of the polar electromagnet 100, and in the connection between the movable base 101 and the plunger 102, the movable base 101 is located approximately at the center of the reversing lever 103. The shaft 104 is passed through, and the shaft 104 is supported by the shaft hole 106 in the wall of the coil frame 105 of the electromagnet 100. On the plunger 102 side of the reversing lever 103, the shaft 107 is passed through the lever end and the shaft 107 is passed through the groove 109 of the connecting body 108. The connecting body 108 is press-fitted into the plunger 102 by crimping or the like.
ところが、この電磁接触器は、部品点数が多く、組み立
てが複雑になり、コスト高になり、かつ組み立て方向が
一方向に限らないので自動組み立てができにくいという
欠点があった。However, this electromagnetic contactor has drawbacks that it is difficult to perform automatic assembly because the number of parts is large, the assembly is complicated, the cost is high, and the assembly direction is not limited to one direction.
したがって、この考案の目的は、部品点数が少なく自動
組み立てが容易で低コスト化することができる電磁接触
器を提供することである。Therefore, an object of the present invention is to provide an electromagnetic contactor which has a small number of parts, can be easily assembled automatically, and can be manufactured at low cost.
この考案の電磁接触器は、両端に係合部を形成し中間部
の両側より一対の軸片を延出した反転レバーと、前記一
対の軸片を支持する支持凹部を形成したコイル枠の外周
にコイルを巻装するとともにコイル軸方向に往復可能に
前記コイル枠の中空部に挿入されたプランジャの端部に
前記反転レバーの一端の係合部が係合する係合受け部を
形成した電磁石と、この電磁石の側部に配設され前記プ
ランジャと同方向に移動可能であって前記反転レバーの
他端の係合部が嵌合する凹部を形成した接点駆動用の可
動台とを備えたものである。The electromagnetic contactor of the present invention comprises an inversion lever having engaging portions formed at both ends and a pair of shaft pieces extending from both sides of an intermediate portion, and an outer circumference of a coil frame having support recesses for supporting the pair of shaft pieces. An electromagnet having a coil wound around it and an engagement receiving portion with which an engaging portion at one end of the reversing lever engages with an end portion of a plunger inserted into the hollow portion of the coil frame so as to be reciprocally movable in the coil axial direction. And a movable base for driving a contact, which is disposed on a side portion of the electromagnet, is movable in the same direction as the plunger, and has a concave portion in which an engaging portion at the other end of the reversing lever is fitted. It is a thing.
この考案の構成によれば、電磁石の動作によりプランジ
ャが移動し、プランジャに一端が係合する反転レバーが
軸片を支点として回動し、反転レバーの他端に嵌合する
可動台がプランジャと反対方向に移動して可動接点部が
動作する。この場合、反転レバーの中間部の側部に軸片
を延出し、反転レバーの一端の係合部をプランジャの係
合受け部に係合し反転レバーの他端の係合部を可動台の
凹部に嵌合したため、従来例と比較して部品点数を削減
できるとともに一方向から反転レバーを組み込むことが
できるので、自動組み立てが容易になり、低コスト化す
ることができる。According to the configuration of this invention, the plunger moves due to the operation of the electromagnet, the reversing lever whose one end engages with the plunger rotates about the shaft piece as a fulcrum, and the movable base which fits into the other end of the reversing lever functions as the plunger. The movable contact moves by moving in the opposite direction. In this case, the shaft piece is extended to the side portion of the intermediate portion of the reversing lever, the engaging portion at one end of the reversing lever engages with the engagement receiving portion of the plunger, and the engaging portion at the other end of the reversing lever moves to the movable base. Since it fits in the recess, the number of parts can be reduced as compared with the conventional example, and the reversing lever can be incorporated from one direction, so that automatic assembly becomes easy and cost can be reduced.
この考案の第１の実施例を第１図ないし第３図に基づい
て説明する。すなわち、この電磁接触器は、両端に係合
部2a,2bを形成し中間部の両側より一対の軸片１を延出
した反転レバー２と、一対の軸片１を支持する支持凹部
３を形成したコイル枠４の外周にコイル５を巻装すると
ともにコイル軸方向に往復可能にコイル枠４の中空部６
に挿入されたプランジャ７の端部に反転レバー２の一端
の係合部2aが係合する係合受け部８を形成した電磁石９
と、この電磁石９の側部に配設されプランジャ７と同方
向に移動可能であって反転レバー２の他端の係合部2bが
嵌合する凹部10を形成した接点駆動用の可動台11とを備
えている。前記反転レバー２は、実施例として帯板によ
り形成している。A first embodiment of the present invention will be described with reference to FIGS. That is, this electromagnetic contactor has a reversing lever 2 in which engaging portions 2a and 2b are formed at both ends and a pair of shaft pieces 1 is extended from both sides of an intermediate portion, and a supporting recess 3 for supporting the pair of shaft pieces 1. The coil 5 is wound around the outer periphery of the formed coil frame 4, and the hollow portion 6 of the coil frame 4 is reciprocally movable in the coil axial direction.
An electromagnet 9 in which an engaging receiving portion 8 with which the engaging portion 2a at one end of the reversing lever 2 is engaged is formed at the end of the plunger 7 inserted into the
And a movable base 11 for driving a contact, which is disposed on a side portion of the electromagnet 9 and is movable in the same direction as the plunger 7 and has a recess 10 into which the engaging portion 2b at the other end of the reversing lever 2 is fitted. It has and. The reversing lever 2 is formed of a strip plate as an example.
前記電磁石９は、有極型を実施例とし、12は内ヨーク、
13は外ヨーク、14は永久磁石、15a,15bはプランジャ７
の両端部にかしめ結合されるプランジャ７の動作により
内ヨーク12および外ヨーク13の両端部に接近離間する接
極子、16は接極子15a,15bの外側に取付けられるレシジ
ュアルプレート、17はプランジャ７を動作方向に付勢す
るばねである。この電磁石９の動作は従来例と同様であ
るので省略する。また係合受け部８を形成するため、接
極子15aの一方に折り曲げ片18を形成し、係合受け部８
は折り曲げ片18に形成されて反転レバー２の一端の係合
部2aが係合する孔を実施例としている。The electromagnet 9 is of a polar type, and 12 is an inner yoke.
13 is an outer yoke, 14 is a permanent magnet, and 15a and 15b are plungers 7.
Of the inner yoke 12 and the outer yoke 13 by the operation of the plunger 7 which is caulked to both ends of the armature, 16 is a reciprocal plate attached to the outside of the armatures 15a and 15b, and 17 is the plunger 7. Is a spring that urges in the operating direction. The operation of this electromagnet 9 is the same as that of the conventional example, and therefore its explanation is omitted. Further, in order to form the engagement receiving portion 8, a bending piece 18 is formed on one side of the armature 15a.
In the embodiment, a hole is formed in the bent piece 18 to which the engaging portion 2a at one end of the reversing lever 2 engages.
可動台11は、電磁石９の側部に配置された支持板19に移
動可能に載せられるとともにカバー20内に納められてプ
ランジャ７の動作方向と同方向に移動可能となってい
る。また可動台11に複数の可動接点部21を設け、カバー
20に可動接点部21に対向する固定接点部22を設け、固定
接点部22に接続された端子23をカバー20に設けている。
また可動台11とカバー20との間に復帰ばね24を介在して
いる。The movable table 11 is movably mounted on a support plate 19 arranged on the side of the electromagnet 9 and is housed in a cover 20 so that it can move in the same direction as the operation direction of the plunger 7. In addition, the movable base 11 is provided with a plurality of movable contact portions 21 to cover the movable base 11.
A fixed contact portion 22 facing the movable contact portion 21 is provided on the cover 20, and a terminal 23 connected to the fixed contact portion 22 is provided on the cover 20.
A return spring 24 is interposed between the movable table 11 and the cover 20.
25は電磁石９を納めるケース、26は端子カバー、27はコ
イル５とカバー20のコイル用端子28とを接続する導電ば
ね、29は可動台11の位置を示す表示突起であり、カバー
20および端子カバー26の孔30,31より突出している。25 is a case for accommodating the electromagnet 9, 26 is a terminal cover, 27 is a conductive spring for connecting the coil 5 and the coil terminal 28 of the cover 20, 29 is a display protrusion showing the position of the movable base 11, and the cover
20 and the holes 30 and 31 of the terminal cover 26.
この実施例によれば、電磁石９の動作によりプランジャ
７が移動し、プランジャ７に一端が係合する反転レバー
２が軸片１を支点として回動し、反転レバー２の他端に
嵌合する可動台11がプランジャ７と反対方向に移動して
可動接点部21が動作する。この場合、反転レバー２の中
間部の側部に軸片１を延出し、反転レバー２の一端の係
合部2aをプランジャ７の係合受け部８に係合し反転レバ
ー２の他端の係合部2bを可動台１の凹部10に嵌合したた
め、従来例と比較して部品点数を削減できるとともに一
方向から反転レバー２を組み込むことができるので、自
動組み立てが容易になり、低コスト化することができ
る。According to this embodiment, the plunger 7 is moved by the operation of the electromagnet 9, and the reversing lever 2 whose one end engages with the plunger 7 rotates about the shaft piece 1 as a fulcrum and fits into the other end of the reversing lever 2. The movable base 11 moves in the opposite direction to the plunger 7, and the movable contact portion 21 operates. In this case, the shaft piece 1 is extended to the side portion of the intermediate portion of the reversing lever 2, the engaging portion 2a at one end of the reversing lever 2 is engaged with the engagement receiving portion 8 of the plunger 7, and the other end of the reversing lever 2 is engaged. Since the engaging portion 2b is fitted in the recess 10 of the movable table 1, the number of parts can be reduced as compared with the conventional example, and the reversing lever 2 can be incorporated from one direction, which facilitates automatic assembly and reduces cost. Can be converted.
この考案の第２の実施例を第４図ないし第６図に示す。
すなわち、この電磁接触器は、反転レバー２の一端の係
合部2aが二股形状を実施例とし、プランジャ７の係合受
け部８はその二股形状が係合できる括れ部を実施例とす
るものである。この実施例の場合、反転レバー２がプラ
ンジャ７の略中心線上に係合できるため、コイル枠４の
中空部６を動作するプランジャ７のバランスがよくな
り、安定した動作を得ることができる。その他は第１の
実施例と同様な効果がある。A second embodiment of the present invention is shown in FIGS.
That is, in this electromagnetic contactor, the engaging portion 2a at one end of the reversing lever 2 has a bifurcated shape, and the engagement receiving portion 8 of the plunger 7 has a constricted portion with which the bifurcated shape can engage. Is. In the case of this embodiment, since the reversing lever 2 can be engaged on the substantially center line of the plunger 7, the plunger 7 that operates the hollow portion 6 of the coil frame 4 is well balanced, and stable operation can be obtained. The other effects are similar to those of the first embodiment.
この考案の電磁接触器によれば、反転レバーの中間部の
側部に軸片を延出し、反転レバーの一端の係合部をプラ
ンジャの係合受け部に係合し反転レバーの他端の係合部
を可動台の凹部に嵌合したため、従来例と比較して部品
点数を削減できるとともに一方向から反転レバーを組み
込むことができるので、自動組み立てが容易になり、低
コスト化することができるという効果がある。According to the electromagnetic contactor of the present invention, the shaft piece is extended to the side portion of the intermediate portion of the reversing lever, the engaging portion of one end of the reversing lever is engaged with the engagement receiving portion of the plunger, and the other end of the reversing lever is engaged. Since the engaging part is fitted in the concave part of the movable table, the number of parts can be reduced as compared with the conventional example, and the reversing lever can be incorporated from one direction, so that automatic assembly becomes easy and the cost can be reduced. The effect is that you can do it.
第１図はこの考案の第１の実施例の分解斜視図、第２図
はその電磁接触器の断面図、第３図はその横断面図、第
４図は第２の実施例の分解斜視図、第５図はその電磁接
触器の断面図、第６図はその横断面図、第７図は従来例
の分解斜視図、第８図はその電磁接触器の断面図、第９
図はその横断面図である。 １……軸片、２……反転レバー、2a,2b……係合部、３
……支持凹部、４……コイル枠、５……コイル、６……
中空部、７……プランジャ、８……係合受け部、９……
電磁石、10……凹部、11……可動台FIG. 1 is an exploded perspective view of the first embodiment of the present invention, FIG. 2 is a sectional view of the electromagnetic contactor, FIG. 3 is a transverse sectional view thereof, and FIG. 4 is an exploded perspective view of the second embodiment. 5 and 5 are sectional views of the electromagnetic contactor, FIG. 6 is a transverse sectional view thereof, FIG. 7 is an exploded perspective view of a conventional example, and FIG. 8 is a sectional view of the electromagnetic contactor.
The figure is a cross-sectional view thereof. 1 ... Shaft piece, 2 ... Reversing lever, 2a, 2b ... Engagement part, 3
…… Support recess, 4 …… Coil frame, 5 …… Coil, 6 ……
Hollow part, 7 ... Plunger, 8 ... Engagement receiving part, 9 ...
Electromagnet, 10 ... recess, 11 ... movable table
Claims (1)
対の軸片を延出した反転レバーと、前記一対の軸片を支
持する支持凹部を形成したコイル枠の外周にコイルを巻
装するとともにコイル軸方向に往復可能に前記コイル枠
の中空部に挿入されたプランジャの端部に前記反転レバ
ーの一端の係合部が係合する係合受け部を形成した電磁
石と、この電磁石の側部に配設され前記プランジャと同
方向に移動可能であって前記反転レバーの他端の係合部
が嵌合する凹部を形成した接点駆動用の可動台とを備え
た電磁接触器。1. A reversing lever having engaging portions formed at both ends and a pair of shaft pieces extending from both sides of an intermediate portion, and a coil on the outer periphery of a coil frame having a supporting recess for supporting the pair of shaft pieces. An electromagnet having an engagement receiving portion with which an engaging portion at one end of the reversing lever engages with an end portion of a plunger inserted into a hollow portion of the coil frame so as to be wound and reciprocally movable in a coil axial direction, An electromagnetic contactor provided on a side portion of an electromagnet, movable in the same direction as the plunger, and having a movable base for driving a contact formed with a recess into which an engaging portion at the other end of the reversing lever fits. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9549488U JPH0643980Y2 (en) | 1988-07-19 | 1988-07-19 | Electromagnetic contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9549488U JPH0643980Y2 (en) | 1988-07-19 | 1988-07-19 | Electromagnetic contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0218243U JPH0218243U (en) | 1990-02-06 |
| JPH0643980Y2 true JPH0643980Y2 (en) | 1994-11-14 |
Family
ID=31320162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9549488U Expired - Lifetime JPH0643980Y2 (en) | 1988-07-19 | 1988-07-19 | Electromagnetic contactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643980Y2 (en) |
-
1988
- 1988-07-19 JP JP9549488U patent/JPH0643980Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218243U (en) | 1990-02-06 |
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