JPH07220601A - Electromagnetic relay and its manufacture - Google Patents
Electromagnetic relay and its manufactureInfo
- Publication number
- JPH07220601A JPH07220601A JP1388094A JP1388094A JPH07220601A JP H07220601 A JPH07220601 A JP H07220601A JP 1388094 A JP1388094 A JP 1388094A JP 1388094 A JP1388094 A JP 1388094A JP H07220601 A JPH07220601 A JP H07220601A
- Authority
- JP
- Japan
- Prior art keywords
- contact spring
- movable
- movable piece
- piece
- contact
- 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.)
- Withdrawn
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- Manufacture Of Switches (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は例えば電磁石鉄心への直
接的な吸引とその解除で該鉄心の軸方向に回動するアー
マチュアすなわち可動片と一体化した可動接点ばねをブ
レーク接点端子・メーク接点端子間で往復動させて回路
切替えを実現するフレクチャータイプの電磁継電器（以
下単にリレーとする）の構成に係り、特に可動片と可動
接点ばねとをかしめ一体化して接点ばね完成を構成する
ときに発生し易い可動接点ばねの内部応力に起因する反
りや伸びをなくしてリレーとしての特性安定化と生産性
向上とを図ったリレーに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a movable contact spring integrated with an armature, that is, a movable piece, which is rotated in the axial direction of the iron core by directly attracting and releasing it to an electromagnet iron core. This relates to the structure of a flexure type electromagnetic relay (hereinafter simply referred to as a relay) that realizes circuit switching by reciprocating between terminals, especially when a movable piece and a movable contact spring are caulked and integrated to complete a contact spring. The present invention relates to a relay that eliminates warpage and elongation due to internal stress of a movable contact spring, which tends to occur, and stabilizes characteristics as a relay and improves productivity.
【０００２】近年の電子技術の進展に伴ってリレーも各
種電子機器から民生用機器まで広い用途に使用されつつ
あり、例えば接点部における接触性等リレーとしての特
性安定化や工程内歩留り向上による生産性向上が強く要
求されるようになってきている。With the recent progress of electronic technology, relays are being used for a wide range of applications from various electronic equipments to consumer equipments. For example, production is achieved by stabilizing characteristics of relays such as contact property at contact parts and improving yield in process. There is a strong demand for improvement in sex.
【０００３】[0003]
【従来の技術】技術的背景を説明するための図５は従来
のリレー構成例を示す概略図であり、(5-1)は全体構成
を表わす斜視図 (5-2)は本発明に係わる主要部としての
接点ばね完成を矢印ａ〜ａ′で切断して示した拡大断面
図である。2. Description of the Related Art FIG. 5 is a schematic view showing an example of a conventional relay configuration for explaining the technical background. (5-1) is a perspective view showing the overall configuration. (5-2) is related to the present invention. It is an expanded sectional view which cut and showed completion of a contact point spring as a principal part by arrows a-a '.
【０００４】また図６は従来の接点ばね完成の構成方法
を説明する工程図、図７は問題点を説明する図である。
なお図では理解し易くするため１回路リレーの場合を例
として説明する。FIG. 6 is a process diagram for explaining a conventional method of forming a contact spring, and FIG. 7 is a diagram for explaining problems.
In the figure, the case of a one-circuit relay will be described as an example for easy understanding.
【０００５】図５で、リレー１は大別すると継電器本体
２と例えば樹脂等絶縁材からなるカバー３とで構成され
ている。この内継電器本体２は、電磁石21とそれに通電
したときに該電磁石21に発生する吸引力で動作する接点
ばね組22とからなっている。In FIG. 5, the relay 1 is roughly composed of a relay body 2 and a cover 3 made of an insulating material such as resin. The inner relay main body 2 is composed of an electromagnet 21 and a contact spring set 22 which is operated by an attractive force generated in the electromagnet 21 when energized.
【０００６】そして電磁石21は、図示されないパイプ軸
の両端面にほぼ角形をなすフランジが形成されている絶
縁材からなるボビン21a とそのパイプ軸に巻成されてい
るコイル21b および一端が片側 (図では上側) のフラン
ジから突出して露出するように該パイプ軸に埋設されて
いる丸棒状の鉄心21c とからなっており、コイル21bに
電流を印加するための２個の外部接続端子（図では片側
のみ記載）21d は上記ボビン21a の他方（図では下側）
のフランジすなわちボビンベース 21a′を貫通して固定
されている。The electromagnet 21 includes a bobbin 21a made of an insulating material, in which substantially square flanges are formed on both end faces of a pipe shaft (not shown), a coil 21b wound around the pipe shaft, and one end thereof (see FIG. It consists of a round bar-shaped iron core 21c embedded in the pipe shaft so as to project from the flange of the upper side) and to be exposed, and two external connection terminals (one side in the figure) for applying current to the coil 21b. 21d is the other side of the bobbin 21a (lower side in the figure)
It is fixed by penetrating the flange of the bobbin base 21a '.
【０００７】そして外部接続端子21d に外部から所要の
電流を印加すると、上記鉄心の上側フランジから突出す
る露出端面 21c′に所要の吸引力が発生するように構成
されている。When a required current is applied to the external connection terminal 21d from the outside, a required suction force is generated on the exposed end surface 21c 'protruding from the upper flange of the iron core.
【０００８】一方接点ばね組22は、上記鉄心21c の図面
下側に位置する図示されない他端面にカシメ等の手段で
電気的接続を保って固定された後上述した露出端面 21
c′側にほぼ直角に曲げられた状態で上記ボビンベース
21a′に固定されているヨーク22a と、その上端辺に片
側の端辺で回動自在に装着し得る可動片22b と該可動片
22b をその片側端辺を軸として回動可能に上記ヨーク22
a に係合させて保持する可動接点ばね22c とからなる接
点ばね完成22d 、その自由端移動方向（図では上下方
向）両側の各対応位置に接点を持って配設されているメ
ーク接点端子22e,ブレーク接点端子22f とで構成されて
いる。On the other hand, the one-contact spring set 22 is fixed to the other end surface (not shown) of the iron core 21c, which is located on the lower side of the drawing, by means of caulking or the like while maintaining an electrical connection, and then the above-mentioned exposed end surface 21.
The above bobbin base is bent almost at a right angle to the c'side.
A yoke 22a fixed to 21a ', a movable piece 22b which can be rotatably mounted on one end of the yoke 22a, and the movable piece.
22b is rotatable about one end of the yoke 22b.
A contact spring completed 22d consisting of a movable contact spring 22c that is engaged with and held by a, and a make contact terminal 22e with contacts arranged at corresponding positions on both sides of the free end moving direction (vertical direction in the figure). , And the break contact terminal 22f.
【０００９】そしてメーク接点端子22e とブレーク接点
端子22f とは、上記ボビン21a の上下２個のフランジに
位置決め固定された状態で、接点間の隔たりが所定間隔
を保つように配設されている。The make contact terminal 22e and the break contact terminal 22f are arranged so that the distance between the contacts is kept at a predetermined distance while being fixedly positioned on the upper and lower two flanges of the bobbin 21a.
【００１０】更に上記可動接点ばね22c の自由端側に位
置する舌片状の両面接点域 22c′は、上述したコイル21
b に電流が印加されていないときにはそれ自体のばね性
で上側に位置するブレーク接点端子22f の接点域と接触
し、該コイル21b に所定の電流が印加されると鉄心21c
に発生する吸引力が上記可動片22b ひいては可動接点ば
ね22c をそのばね性に抗して図面下方に吸引してその両
面接点域 22c′が下側のメーク接点端子22e の接点域と
接触するようになっている。Further, the tongue-shaped double-sided contact area 22c 'located on the free end side of the movable contact spring 22c is the coil 21 described above.
When a current is not applied to b, it contacts the contact area of the break contact terminal 22f located on the upper side due to its spring property, and when a predetermined current is applied to the coil 21b, the iron core 21c
The attraction force generated on the movable piece 22b, and hence the movable contact spring 22c, is attracted downward in the drawing against its spring property so that the double-sided contact area 22c 'comes into contact with the contact area of the lower make contact terminal 22e. It has become.
【００１１】従ってコイル21b に対する電流を印加しま
たはそれを解除することで、可動接点ばね22c のボビン
ベース 21a′に固定されたコモン端子 22c-1とブレーク
接点端子22f のボビンベース 21a′に固定された図示さ
れない外部接続端子 22f-1との間の接続を、該コモン端
子 22c-1とメーク接点端子22e のボビンベース 21a′に
固定された外部接続端子 22e-1との間の接続に切り換え
たりまたはその接続が解除できる継電器本体２を得るこ
とができる。Therefore, by applying or releasing the current to the coil 21b, the coil is fixed to the common terminal 22c- 1 fixed to the bobbin base 21a 'of the movable contact spring 22c and the bobbin base 21a' of the break contact terminal 22f. The connection between the unillustrated external connection terminal 22f -1 and the connection between the common terminal 22c -1 and the external connection terminal 22e -1 fixed to the bobbin base 21a 'of the make contact terminal 22e can be switched. Alternatively, the relay main body 2 whose connection can be released can be obtained.
【００１２】一方該継電器本体２をその周囲でカバーす
る有底箱形のカバー３は、周壁内面の上記ボビンベース
21a′上面と対応する位置に凸の段差形成面3aが形成さ
れているものである。On the other hand, the bottomed box-shaped cover 3 for covering the relay main body 2 around the relay main body 2 is the bobbin base on the inner surface of the peripheral wall.
A convex step forming surface 3a is formed at a position corresponding to the upper surface of 21a '.
【００１３】そこで該カバー３を矢印Ａのように該継電
器本体２に装着して所要のリレー１を組み立てるように
している。なお接点ばね完成22d は、(5-2) の円内図に
示すように可動片22b の接点ばね側表面の突起と可動接
点ばね22c に設けたかしめ孔とのかしめ一体化で構成さ
れている。Therefore, the cover 3 is attached to the relay body 2 as shown by an arrow A to assemble the required relay 1. The completed contact spring 22d is configured by caulking the caulking hole provided in the movable contact spring 22c with the protrusion on the surface of the movable piece 22b on the contact spring side as shown in the circle in (5-2). .
【００１４】この場合のかしめ固定方法の一例を示す図
６で、(1) はかしめ前の可動接点ばね22c と可動片22b
の状態を示し、(2) は両者係合時の状態をまた (3)はか
しめた後の状態をそれぞれ示したものである。In FIG. 6 showing an example of the caulking fixing method in this case, (1) is the movable contact spring 22c and the movable piece 22b before caulking.
(2) shows the state when both are engaged, and (3) shows the state after caulking.
【００１５】すなわち、可動接点ばね22c の所定位置に
はかしめ孔 22c″が形成され、また可動片22b の該孔と
対応する位置には裏面（図では下面）からの押出で形成
した突起 22b′が形成されている。That is, a caulking hole 22c "is formed at a predetermined position of the movable contact spring 22c, and a projection 22b 'formed by extruding from the back surface (lower surface in the figure) at a position corresponding to the hole of the movable piece 22b. Are formed.
【００１６】そこで上記かしめ孔 22c″と該突起 22b′
とを矢印Ｂのように合致させて(2)の状態とした後、可
動接点ばね22c の表面から突出する該突起頭部を押圧し
て変形させ(3) ひいては図５の(5-2) のように接点ばね
完成22d を構成するようにしている。Therefore, the caulking hole 22c ″ and the projection 22b ′ are provided.
After aligning and with each other as shown by arrow B to bring the state of (2), the protrusion head projecting from the surface of the movable contact spring 22c is pressed and deformed (3) and then (5-2) of FIG. The contact spring completed 22d is constructed as shown in.
【００１７】[0017]
【発明が解決しようとする課題】かかる接点ばね完成22
d の構成方法では両者間を確実に位置決めしてかしめ得
るので、結果的に生産性よく継電器が構成できるメリッ
トがある。[Problems to be Solved by the Invention] Completed contact spring 22
In the construction method of d, both can be reliably positioned and caulked, and as a result, there is an advantage that the relay can be constructed with high productivity.
【００１８】しかし可動片22b に設ける上記突起 22b′
は図６で説明したようにその裏面側からの押出し成形に
よるものであるため、突起 22b′の根本域を鋭いエッジ
にすることができず結果的に例えば(1) の円内拡大図に
示す如く微小な丸みすなわちＲ部が必然的に発生する。However, the above-mentioned protrusion 22b 'provided on the movable piece 22b.
Since it is formed by extrusion molding from the back surface side as described with reference to FIG. 6, the root region of the projection 22b 'cannot be made into a sharp edge, and as a result, for example, it is shown in an enlarged view in the circle of (1). Thus, a minute roundness, that is, an R portion is inevitably generated.
【００１９】従って、可動接点ばね22c のかしめ孔 22
c″の径を該突起 22b′の径に合わせて(3) の如くかし
めると、可動接点ばねのかしめ孔近傍に該Ｒ部による内
部応力とかしめ時の突起座屈による径の増大に起因する
内部応力とが発生し、接点ばね完成にした後では図７の
実線で示す可動接点ばね 22c-2のように、その自由端側
すなわち両面接点域側に可動片22b から浮き上がる方向
の反りや変形が発生することが多い。Therefore, the caulking hole 22 of the movable contact spring 22c
When the diameter of c ″ is adjusted to the diameter of the protrusion 22b ′ and caulking as shown in (3), the internal stress due to the R portion near the caulking hole of the movable contact spring and the diameter increase due to the buckling of the protrusion during caulking After the completion of the contact spring, the movable contact spring 22c -2 shown by the solid line in FIG. 7 shows a warp in the direction of floating from the movable piece 22b toward the free end side, that is, the double-sided contact area side. Deformation often occurs.
【００２０】このことは該可動接点ばね 22c-2が図５で
説明したメーク接点端子22e と接触するときの該接点に
対するフォロー量ひいては接触圧力が破線で示す基準位
置に比してδ分だけ小さくなることを意味する。This means that when the movable contact spring 22c- 2 comes into contact with the make contact terminal 22e described with reference to FIG. 5, the follow-up amount to the contact and thus the contact pressure is smaller by δ than the reference position shown by the broken line. Means to become.
【００２１】従って、僅かな振動や衝撃でも回路が瞬断
し易くなって安定した接触性が確保し難くなるという問
題があった。Therefore, there is a problem that the circuit is likely to be momentarily disconnected even by a slight vibration or impact, and it becomes difficult to secure a stable contact property.
【００２２】[0022]
【課題を解決するための手段】上記課題は、可動片の電
磁石鉄心への直接的な吸引とその解除で該鉄心の軸方向
に回動する該可動片に面接触状態で一体化した可動接点
ばねの自由端に位置する両面接点域をブレーク接点とメ
ーク接点との間で往復動させて回路切替えを実現する電
磁継電器であって、可動片に裏面側からの押出しで設け
たかしめ突起とそれに対応するように可動接点ばねに設
けたかしめ孔との係合で該可動片と可動接点ばねとをか
しめ一体化して構成せしめる接点ばね完成が、断面視Ｔ
字形のかしめ突起と可動接点ばねに対する位置決め手段
とを少なくとも備えた可動片と、該可動片の上記かしめ
突起に嵌合するかしめ孔と該可動片に面接触する領域内
での反りや変形・撓みを抑制する補強手段および該可動
片の位置決め手段に係合する手段を備えた可動接点ばね
と、で構成されている電磁継電器によって達成される。Means for Solving the Problems The above-mentioned problems are solved by a movable contact which is integrated in a surface contact state with the movable piece that rotates in the axial direction of the iron core by direct attraction and release of the movable piece to the electromagnet iron core. It is an electromagnetic relay that realizes circuit switching by reciprocating the double-sided contact area located at the free end of the spring between the break contact and the make contact. Correspondingly, a contact spring completed by caulking and integrating the movable piece and the movable contact spring by engagement with a caulking hole provided in the movable contact spring is completed in a sectional view T.
A movable piece having at least a V-shaped caulking projection and a positioning means for the movable contact spring, and a warp, a deformation or a bending in a region where the caulking hole of the movable piece fitted into the caulking projection and the movable piece are in surface contact with each other. And a movable contact spring having a means for engaging with the positioning means of the movable piece, and an electromagnetic relay including the movable contact spring.
【００２３】また、可動片の電磁石鉄心への直接的な吸
引とその解除で該鉄心の軸方向に回動する該可動片に面
接触状態で一体化した可動接点ばねの自由端に位置する
両面接点域をブレーク接点とメーク接点との間で往復動
させて回路切替えを実現する電磁継電器の製造方法であ
って、断面視Ｔ字形のかしめ突起と可動接点ばねに対す
る位置決め手段とを少なくとも備えた可動片と、該可動
片の上記かしめ突起に嵌合するかしめ孔と該可動片に面
接触する領域内での反りや変形・撓みを抑制する補強手
段および該可動片の上記位置決め手段に係合する手段を
備えた可動接点ばねと、で構成されている接点ばね完成
を、可動片に裏面側からの押出しで設けたかしめ突起と
それに対応するように可動接点ばねに設けたかしめ孔と
を係合させた後、該可動片と可動接点ばねとをかしめ一
体化して構成する電磁継電器の製造方法によって達成さ
れる。Further, both sides located at the free end of a movable contact spring integrated in surface contact with the movable piece that rotates in the axial direction of the iron core by direct attraction and release of the movable piece to the electromagnet iron core. A method for manufacturing an electromagnetic relay, which realizes circuit switching by reciprocating a contact region between a break contact and a make contact, which is movable including at least a caulking protrusion having a T shape in cross section and a positioning means for a movable contact spring. And a reinforcing means for suppressing warpage, deformation, and bending in a region in which the caulking hole fitted to the caulking protrusion of the movable piece and the movable piece are in contact with the positioning means of the movable piece. A movable contact spring provided with a means and a contact spring completed by engaging a caulking protrusion provided on the movable piece by extruding from the back side and a caulking hole provided in the movable contact spring corresponding thereto. After letting A movable piece and the movable contact springs is achieved by the manufacturing method of the electromagnetic relay constructed by caulking integrated.
【００２４】[0024]
【作用】可動片のかしめ用突起の径と可動接点ばねのか
しめ孔径との間に隙間を設けて接点ばね完成を構成する
と、上述した突起根本域のＲ部や座屈による該ばねへの
内部応力の付与をなくすことができる。When a contact spring is constructed by providing a gap between the diameter of the caulking protrusion of the movable piece and the diameter of the caulking hole of the movable contact spring, the contact spring is completed by the R portion in the root region of the protrusion and the inside of the spring due to buckling. The application of stress can be eliminated.
【００２５】また、少なくとも可動片と接触する領域で
は反りや変形が生じないように形成した可動接点ばねを
使用して接点ばね完成を構成すると、該可動接点ばね自
体のばね性による反りや撓みの発生域を可動片から突出
する自由端領域に限定し得るので、ブレーク接点端子や
メーク接点端子に対するフォロー量の一定化を容易に実
現することができる。Further, when the movable contact spring is formed so as not to be warped or deformed at least in the area in contact with the movable piece, the contact spring is completed, so that the movable contact spring itself is not warped or bent due to its spring property. Since the generation area can be limited to the free end area protruding from the movable piece, it is possible to easily realize a constant follow amount for the break contact terminal and the make contact terminal.
【００２６】そこで本発明では、断面視Ｔ字形のかしめ
用突起を備えた可動片と、該可動片と接触する領域内で
は反りが生じないように可動片と面接触する領域の周辺
にリブ状折り曲げ部を設けて補強した可動接点ばねとで
接点ばね完成を構成するようにしている。Therefore, in the present invention, the movable piece provided with the caulking protrusion having a T-shape in cross section, and the rib-like shape around the surface contact area with the movable piece so as not to warp in the area contacting the movable piece. The contact spring is completed with a movable contact spring reinforced by providing a bent portion.
【００２７】従って、接点ばね組に構成するときの可動
接点ばねとしての反りや変形が抑制できると共に該ばね
自体のばね性による反りや撓みの発生域が限定できて、
メーク接点端子に対するフォロー量の一定化により安定
した接触性が確保し得るリレーを容易に実現することが
できる。Therefore, it is possible to suppress the warpage and deformation of the movable contact springs when the contact springs are assembled, and to limit the generation area of the warpage and bending due to the spring property of the spring itself.
It is possible to easily realize a relay in which stable contactability can be ensured by making the follow amount constant with respect to the make contact terminal.
【００２８】[0028]
【実施例】図１は本発明になるリレーの構成例を概略的
に説明する図であり、(1-1) は全体構成を表わす斜視図
(1-2)は主要部としての接点ばね完成の構成を説明する
図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram schematically illustrating an example of the structure of a relay according to the present invention, in which (1-1) is a perspective view showing the entire structure.
(1-2) is a diagram for explaining a configuration of a contact spring as a main part being completed.
【００２９】また図２は本発明の接点ばね完成の構成方
法を説明する図、図３は接点ばね完成を中心とした図５
(5-2) 同様の切断断面図、図４は可動片に設けるかしめ
用突起の形成方法の一例を示す図である。FIG. 2 is a diagram for explaining a method of constructing a contact spring according to the present invention, and FIG. 3 is a diagram focusing on completion of the contact spring.
(5-2) A similar cut sectional view, and FIG. 4 is a diagram showing an example of a method of forming the caulking projection provided on the movable piece.
【００３０】なお、図では図５と同様の構成になる１回
路リレーの場合を例としているので、図５と同じ対象部
材や部位には同一の記号を付して表わすと共に重複する
説明についてはそれを省略する。Note that, in the drawing, the case of a one-circuit relay having the same configuration as that in FIG. 5 is taken as an example, so the same objects and parts as in FIG. Omit it.
【００３１】図１の(1-1) でリレー６は、図５の継電器
本体２と同じ構成であるがその接点ばね組22のみを本発
明を実現する接点ばね組71に置き換えた継電器本体７と
図５のカバー３とからなる。In (1-1) of FIG. 1, the relay 6 has the same structure as the relay body 2 of FIG. 5, but only the contact spring set 22 is replaced with the contact spring set 71 for realizing the present invention. And the cover 3 in FIG.
【００３２】そして該接点ばね組71は、図５で説明した
ヨーク22a と、前記可動片22b と同じ外形で該ヨーク22
a の上端辺に片側の端辺で回動自在に装着し得る可動片
71bと該可動片71b をその片側端辺を軸として回動可能
に上記ヨーク22a に係合させて保持する前記可動接点ば
ね22c と同じ外形の可動接点ばね71a とからなる接点ば
ね完成71c 、および図５のメーク接点端子22e,ブレーク
接点端子22f とで構成されている。The contact spring assembly 71 has the same outer shape as the yoke 22a and the movable piece 22b described with reference to FIG.
A movable piece that can be rotatably attached to the upper edge of a at one edge.
Completed contact spring 71c consisting of 71b and the movable contact spring 71a having the same outer shape as the movable contact spring 22c that holds the movable piece 71b by pivoting on one side of the movable piece 71b by engaging with the yoke 22a. It is composed of the make contact terminal 22e and the break contact terminal 22f of FIG.
【００３３】そしてメーク接点端子22e とブレーク接点
端子22f とが、図５同様に前記ボビン21a の上下２個の
フランジに位置決め固定された状態で接点間の隔たりが
所定間隔を保つように配設されていると共に、可動接点
ばね71a の自由端に位置する舌片状の両面接点域 22c′
が前記コイル21b に電流が印加されていないときにはブ
レーク接点端子22f と接触し該電流が印加されたときに
はメーク接点端子22eと接触することは図５の場合と同
様である。The make contact terminal 22e and the break contact terminal 22f are arranged so as to maintain a predetermined distance between the contacts while being fixedly positioned on the upper and lower two flanges of the bobbin 21a as in FIG. And a tongue-shaped double-sided contact area 22c 'located at the free end of the movable contact spring 71a.
Similar to the case of FIG. 5, the coil contacts the break contact terminal 22f when no current is applied to the coil 21b and contacts the make contact terminal 22e when the current is applied.
【００３４】そして特にこの場合の接点ばね完成71c は
図１の(1-2) に示す如く、前記可動片22b と同様の形状
で図６の各突起 22b′と等しい位置に該突起 22b′の頭
部だけを拡径化した断面視Ｔ字形のヘッド付のかしめ突
起 71b′が形成され且つ該突起 71b′の近傍複数箇所
（図では２箇所）に位置決め突起 71b″が形成されてい
る可動片71b と、前記可動接点ばね22c とほぼ同様の形
状でその可動片と接触する領域の周辺に該領域での反り
や変形・撓みを抑制するための表面（図では上面) 側に
折り曲げられたリブ状折り曲げ部 71a′が形成され且つ
上記各位置決め突起 71b″と対応する位置に該突起に嵌
合する位置決め孔 71a″が形成されている可動接点ばね
71a とを、上記かしめ突起 71b′の頭部が通り得るよう
に拡径したかしめ孔 22c″-1とかしめ突起 71b′間のか
しめで一体化せしめることで(1-1)で示すように容易に
構成することができる。In particular, the contact spring completion 71c in this case has the same shape as that of the movable piece 22b and is formed at the same position as each projection 22b 'in FIG. 6 as shown in FIG. 1 (1-2). A movable piece in which a caulking protrusion 71b 'with a head having a T-shaped cross-sectional view in which only the head portion is expanded is formed, and positioning protrusions 71b "are formed at a plurality of positions (two positions in the figure) near the protrusion 71b'. 71b and a rib that has a shape similar to that of the movable contact spring 22c and is bent around the surface (upper surface in the figure) for suppressing warpage, deformation, and bending in the area around the area that contacts the movable piece. -Shaped movable portion 71a 'is formed and a positioning hole 71a "to be fitted into the positioning projection 71b" is formed at a position corresponding to each positioning projection 71b ".
71a and 71a can be easily integrated as shown in (1-1) by integrating the caulking hole 22c ″ -1 and the caulking protrusion 71b ′, which are expanded so that the head of the caulking protrusion 71b ′ can pass through. Can be configured to.
【００３５】図２はかかる接点ばね完成71c の構成方法
を表わしたもので、図１の可動片71b と可動接点ばね71
a とをそれぞれの突起と孔との嵌合で組み合わせて(2-
1) の状態にした後、可動接点ばね表面から突出するか
しめ突起 71b′の頭部（破線Ｃで示す領域）を例えばス
ピーニング手段等でかしめて一体化することで、(2-2)
で示す接点ばね完成71c を容易に構成することができ
る。FIG. 2 shows a method of constructing such a contact spring completion 71c. The movable piece 71b and the movable contact spring 71 shown in FIG.
Combining a and by fitting each protrusion and hole (2-
After the state of 1) is reached, the head of the caulking protrusion 71b '(the region indicated by the broken line C) projecting from the surface of the movable contact spring is caulked by, for example, a speeding means or the like to integrate (2-2).
The completed contact spring 71c shown by can be easily constructed.
【００３６】なお上述したリブ状折り曲げ部 71a′を、
例えば可動片と面接触する領域の周辺近傍の周辺に沿う
位置に設けた線状突起に代えても同等の効果を得ること
ができる。The rib-shaped bent portion 71a 'described above is
For example, the same effect can be obtained even if the linear protrusions are provided at positions along the periphery in the vicinity of the periphery of the area in surface contact with the movable piece.
【００３７】かかる接点ばね完成71c を持つ接点ばね組
71を備えたリレー６では、図３の断面図に示すように、
可動接点ばね71a のかしめ孔 22c″-1がかしめ突起 71
b′の細径部に位置するので図示Ｄで示す空間域が大き
くなり、結果的に図６で説明したＲ部や座屈に起因する
可動接点ばね71a への内部応力の付加が抑制されると共
に、可動片71b に対するかしめ位置を含めた可動片との
接触域全体がリブ状折り曲げ部 71a′で補強されている
ので少なくとも該領域内での可動接点ばね71a としての
反りや変形・撓み等の発生がなく可動片と密着した状態
となる。Contact spring assembly having such contact spring completion 71c
In the relay 6 provided with 71, as shown in the sectional view of FIG.
Caulking hole 22c ″ -1 of movable contact spring 71a is caulking protrusion 71
Since it is located in the small-diameter portion of b ', the space area shown by D is enlarged, and as a result, the addition of internal stress to the movable contact spring 71a due to the R portion and buckling described in FIG. 6 is suppressed. At the same time, since the entire contact area with the movable piece including the caulking position with respect to the movable piece 71b is reinforced by the rib-shaped bent portion 71a ′, at least the movable contact spring 71a as a movable contact spring 71a is prevented from being warped, deformed or bent. There is no occurrence and the state is in close contact with the movable piece.
【００３８】このことは可動接点ばね自体のばね性で変
位し得る範囲が可動片71b から外れる自由端領域すなわ
ち図２で示すドット域Ｅに限定されることを意味する。
従って、メーク接点端子に対するフォロー量ひいては接
触圧力を容易に一定化できて特性的に優れたリレーを容
易に構成することができる。This means that the range in which the movable contact spring itself can be displaced due to the spring property is limited to the free end region out of the movable piece 71b, that is, the dot region E shown in FIG.
Therefore, the amount of follow-up to the make contact terminal and thus the contact pressure can be easily made constant, and a relay having excellent characteristics can be easily constructed.
【００３９】なお上述した可動接点ばね71a の可動片71
b への密着性を更に向上させるときには、該可動接点ば
ね71a の可動片71b との接触域内に可動片側に僅かに撓
む予備曲げを予め形成しておくことで容易に実現させる
ことができる。The movable piece 71 of the movable contact spring 71a described above
To further improve the adhesion to b, it is possible to easily realize it by forming a preliminary bend that slightly bends toward the movable piece side in the contact area of the movable contact spring 71a with the movable piece 71b.
【００４０】また図１で説明したかしめ突起 71b′は、
例えば図４の(4-1) で示すように裏面側からの押出成形
で従来の突起 22b′を形成した後、可動接点ばねの厚さ
を僅かに越える厚さで該突起 22b′を二分する半円状凹
み8aが形成されている２個の金属治具８で該突起 22b′
を挟んで(4-2) の状態とし、更に該金属治具面から突出
する突起 22b′の頭部を押圧変形させてから該金属治具
８を取り除くことで(4-3) に示すように容易に得ること
ができる。The caulking protrusion 71b 'described with reference to FIG.
For example, as shown in (4-1) of FIG. 4, after forming a conventional protrusion 22b 'by extrusion molding from the back side, the protrusion 22b' is divided into two parts with a thickness slightly exceeding the thickness of the movable contact spring. The protrusion 22b 'is formed by two metal jigs 8 having a semi-circular recess 8a.
As shown in (4-3), the metal jig 8 is removed by pressing the head of the projection 22b ′ protruding from the metal jig surface, and then removing the metal jig 8. Can be easily obtained.
【００４１】なお、可動接点ばね71a の厚さが 0.1mm,
かしめ孔 22c″-1の径が 1.6mmである場合、例えば該か
しめ突起 71b′を拡大した(4-4) で頭部の径をd1, 細径
部の径をd2，全高さをh1, 細径部の高さをh2とすると
d1＝1.55mm ,d2＝ 1.2mm, h1＝ 0.60mm, h2＝ 0.15mm
程度とした可動片71b を使用して接点ばね完成71c を構
成することで、メーク接点端子に対するフォローすなわ
ち接触圧力がほぼ一定で特性的に優れたリレーが構成で
きることを実験的に確認している。The thickness of the movable contact spring 71a is 0.1 mm,
When the diameter of the caulking hole 22c ″ -1 is 1.6 mm, for example, by enlarging the caulking protrusion 71b ′ (4-4), the head diameter is d 1 , the small diameter portion is d 2 , and the total height is Let h 1 be the height of the small diameter part h 2
d 1 = 1.55mm, d 2 = 1.2mm, h 1 = 0.60mm, h 2 = 0.15mm
It has been experimentally confirmed that by constructing the contact spring completed 71c by using the movable piece 71b having a certain degree, it is possible to construct a relay having excellent characteristics with a substantially constant contact pressure, that is, contact pressure with respect to the make contact terminal.
【００４２】[0042]
【発明の効果】上述の如く本発明により、可動片と可動
接点ばねとをかしめ一体化して接点ばね完成を構成する
ときに発生し易い可動接点ばねの内部応力に起因する反
りや伸びをなくしてリレーとしての特性安定化と生産性
向上とを図ったリレーとその製造方法を提供することが
できる。As described above, according to the present invention, the warp and the elongation caused by the internal stress of the movable contact spring, which is likely to occur when the movable piece and the movable contact spring are caulked and integrated to complete the contact spring, are eliminated. It is possible to provide a relay in which the characteristics of the relay are stabilized and the productivity is improved, and a manufacturing method thereof.
【００４３】なお、本発明の説明では接点ばね完成を構
成するときの可動片と可動接点ばね間の位置決めを可動
片にかしめ用突起と別に設けた位置決め突起と可動接点
ばねの該位置決め突起対応位置に設けたかしめ孔との係
合で実現する場合を例としているが、例えば可動接点ば
ねに設けた切起し片と可動片の対応位置に設けた孔との
嵌合や可動片周辺と可動接点ばねの対応位置に設けた切
起し片との嵌合等他の位置決め手段を用いても同等の効
果が得られることは明らかである。In the explanation of the present invention, the positioning between the movable piece and the movable contact spring when the contact spring is completed is positioned separately from the caulking projection on the movable piece and the position corresponding to the positioning projection of the movable contact spring. This is achieved by engaging with a caulking hole provided on the movable contact spring, but for example, the cut-and-raised piece provided on the movable contact spring and the hole provided at the corresponding position of the movable piece, or the movable piece surrounding the movable piece can be moved. It is clear that the same effect can be obtained by using other positioning means such as fitting with a cut-and-raised piece provided at a corresponding position of the contact spring.
【図１】 本発明になるリレーの構成例を概略的に説明
する図。FIG. 1 is a diagram schematically illustrating a configuration example of a relay according to the present invention.
【図２】 本発明の接点ばね完成の構成方法を説明する
図。FIG. 2 is a diagram illustrating a method of configuring a contact spring according to the present invention.
【図３】 接点ばね完成を中心とした図５(5-2) 同様の
切断断面図。FIG. 3 is a sectional view similar to FIG. 5 (5-2), focusing on the completion of the contact spring.
【図４】 可動片に設けるかしめ用突起の形成方法の一
例を示す図。FIG. 4 is a diagram showing an example of a method of forming a caulking projection provided on a movable piece.
【図５】 従来のリレー構成例を示す概略図。FIG. 5 is a schematic diagram showing a conventional relay configuration example.
【図６】 従来の接点ばね完成の構成方法を説明する工
程図。FIG. 6 is a process diagram illustrating a conventional method of forming a contact spring.
【図７】 問題点を説明する図。FIG. 7 is a diagram illustrating a problem.
３ カバー ６ 電磁継電器（リレー） ７ 継電器本体 21a ボビン 21b コ
イル 22a ヨーク 22b ′ 突起 22c ′ 両面接点域 22c ″-1 かしめ孔 22e メーク接点端子 22f ブ
レーク接点端子 71 接点バネ組 71a 可動接点ばね 71a′ リ
ブ状折り曲げ部 71a ″ 位置決め孔 71b 可動片 71b′ か
しめ突起 71b ″ 位置決め突起 71c 接点ばね完成3 cover 6 electromagnetic relay (relay) 7 relay body 21a bobbin 21b coil 22a yoke 22b ′ protrusion 22c ′ double side contact area 22c ″ -1 caulking hole 22e make contact terminal 22f break contact terminal 71 contact spring assembly 71a movable contact spring 71a ′ rib -Shaped bent part 71a ″ Positioning hole 71b Movable piece 71b ′ Caulking protrusion 71b ″ Positioning protrusion 71c Contact spring completed
Claims (3)
その解除で該鉄心の軸方向に回動する該可動片に面接触
状態で一体化した可動接点ばねの自由端に位置する両面
接点域をブレーク接点とメーク接点との間で往復動させ
て回路切替えを実現する電磁継電器であって、 可動片に裏面側からの押出しで設けたかしめ突起とそれ
に対応するように可動接点ばねに設けたかしめ孔との係
合で該可動片と可動接点ばねとをかしめ一体化して構成
せしめる接点ばね完成(71c) が、 断面視Ｔ字形のかしめ突起(71b′) と可動接点ばね(71
a) に対する位置決め手段(71b″) とを少なくとも備え
た可動片(71b) と、 該可動片(71b) の上記かしめ突起(71b′) に嵌合するか
しめ孔(22c″-1) と該可動片(71b) に面接触する領域内
での反りや変形・撓みを抑制する補強手段および該可動
片(71b) の上記位置決め手段(71b″) に係合する手段(7
1a″) を備えた可動接点ばね(71a) と、 で構成されていることを特徴とした電磁継電器。1. A double-sided surface located at a free end of a movable contact spring integrated in a surface contact state with the movable piece that rotates in the axial direction of the iron core by direct attraction and release of the movable piece to the electromagnet iron core. It is an electromagnetic relay that realizes circuit switching by reciprocating the contact area between the break contact and the make contact.It is a caulking protrusion provided on the movable piece by extrusion from the back side and a movable contact spring corresponding to it. A contact spring completed (71c), in which the movable piece and the movable contact spring are caulked and integrated by engaging with the caulking hole provided, is a caulking protrusion (71b ') having a T-shaped cross section and a movable contact spring (71).
a) a movable piece (71b) having at least a positioning means (71b ″) for the a), a caulking hole (22c ″ -1 ) fitted to the caulking protrusion (71b ′) of the movable piece (71b), and the movable piece (71b ″). Reinforcing means for suppressing warpage and deformation / deflection in the area of surface contact with the piece (71b) and means (7) for engaging with the positioning means (71b ″) of the movable piece (71b).
An electromagnetic relay comprising a movable contact spring (71a) provided with 1a ″) and a movable contact spring (71a).
ける補強手段が、該可動接点ばね(71a) の可動片(71b)
と面接触する領域の周辺に形成したリブ状折り曲げ部(7
1a′) で構成されていることを特徴とした電磁継電器。2. Reinforcing means provided on the movable contact spring (71a) according to claim 1, wherein a movable piece (71b) of the movable contact spring (71a).
Rib-shaped folds (7
Electromagnetic relay characterized by being composed of 1a ′).
その解除で該鉄心の軸方向に回動する該可動片に面接触
状態で一体化した可動接点ばねの自由端に位置する両面
接点域をブレーク接点とメーク接点との間で往復動させ
て回路切替えを実現する電磁継電器の製造方法であっ
て、 断面視Ｔ字形のかしめ突起(71b′) と可動接点ばね(71
a) に対する位置決め手段(71b″) とを少なくとも備え
た可動片(71b) と、 該可動片(71b) の上記かしめ突起(71b′) に嵌合するか
しめ孔(22c″-1) と該可動片(71b) に面接触する領域内
での反りや変形・撓みを抑制する補強手段および該可動
片(71b) の上記位置決め手段(71b″) に係合する手段(7
1a″) を備えた可動接点ばね(71a) と、で構成されてい
る接点ばね完成(71c) を、 可動片に裏面側からの押出しで設けたかしめ突起とそれ
に対応するように可動接点ばねに設けたかしめ孔とを係
合させた後、該可動片と可動接点ばねとをかしめ一体化
して構成することを特徴とした電磁継電器の製造方法。3. A double-sided surface located at a free end of a movable contact spring which is integrally surface-contacted with the movable piece that rotates in the axial direction of the iron core by direct attraction and release of the movable piece to the electromagnet iron core. A method of manufacturing an electromagnetic relay that realizes circuit switching by reciprocating a contact area between a break contact and a make contact, wherein a caulking protrusion (71b ′) having a T-shaped cross section and a movable contact spring (71
a) a movable piece (71b) having at least a positioning means (71b ″) for the a), a caulking hole (22c ″ -1 ) fitted to the caulking projection (71b ′) of the movable piece (71b), and the movable piece (71b ″). Reinforcing means for suppressing warpage and deformation / deflection in the area of surface contact with the piece (71b) and means (7) for engaging with the positioning means (71b ″) of the movable piece (71b).
1a ″) equipped with a movable contact spring (71a) and a completed contact spring (71c) that consists of a caulking protrusion provided on the movable piece from the back side and a movable contact spring corresponding to it. A method for manufacturing an electromagnetic relay, characterized in that the movable piece and the movable contact spring are caulked and integrated after engaging with the provided caulking hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1388094A JPH07220601A (en) | 1994-02-08 | 1994-02-08 | Electromagnetic relay and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1388094A JPH07220601A (en) | 1994-02-08 | 1994-02-08 | Electromagnetic relay and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07220601A true JPH07220601A (en) | 1995-08-18 |
Family
ID=11845530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1388094A Withdrawn JPH07220601A (en) | 1994-02-08 | 1994-02-08 | Electromagnetic relay and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07220601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835687A (en) * | 2015-05-28 | 2015-08-12 | 上海沪工汽车电器有限公司 | Electromagnetic relay assembling method |
-
1994
- 1994-02-08 JP JP1388094A patent/JPH07220601A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835687A (en) * | 2015-05-28 | 2015-08-12 | 上海沪工汽车电器有限公司 | Electromagnetic relay assembling method |
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