JPH1116477A - Multiple circuit breaker - Google Patents
Multiple circuit breakerInfo
- Publication number
- JPH1116477A JPH1116477A JP16826497A JP16826497A JPH1116477A JP H1116477 A JPH1116477 A JP H1116477A JP 16826497 A JP16826497 A JP 16826497A JP 16826497 A JP16826497 A JP 16826497A JP H1116477 A JPH1116477 A JP H1116477A
- Authority
- JP
- Japan
- Prior art keywords
- case
- circuit configuration
- movable
- side case
- pole
- 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
Landscapes
- Breakers (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、多極型回路遮断
器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-pole circuit breaker.
【0002】[0002]
【従来の技術】従来例(たとえば特開平4-36921 号) を
図14および図15に示す。すなわち、この多極型回路
遮断器は、第1極の部品150および第2極の部品15
1を両側ケース152,153および中間ケース154
間にそれぞれ配設するとともに、共通部品であるハンド
ル155や補助電気装置156等を両側ケース152,
153および中間ケース154の上側および下側に取着
していた。2. Description of the Related Art FIGS. 14 and 15 show a conventional example (for example, JP-A-4-36921). That is, the multi-pole circuit breaker includes a first pole component 150 and a second pole component 15.
1 is the case 152, 153 on both sides and the intermediate case 154.
The handle 155, the auxiliary electric device 156, etc., which are common parts,
153 and the upper and lower sides of the intermediate case 154.
【0003】この場合、共通部品は、両側ケース15
2,153および中間ケース154内に配設された第1
極および第2極の部品150,151の位置に合わせて
配設され、たとえばハンドル155は図15に示すよう
にその係合爪156に操作片157が係合するように組
み込む必要がある。[0003] In this case, the common parts are the case 15 on both sides.
2, 153 and the first case disposed in the intermediate case 154.
For example, the handle 155 needs to be incorporated so that the operation piece 157 engages with the engaging claw 156 thereof as shown in FIG.
【0004】[0004]
【発明が解決しようとする課題】しかしながら、共通部
品を取着するときに第1極および第2極の部品150,
151との位置合わせが容易でなく、第1極および第2
極の部品150,151の位置を確認しながら行なう必
要があり、各部品とくに共通部品の組み込み作業が困難
となっていた。However, when attaching the common parts, the first and second pole parts 150, 150 are mounted.
151 and the first pole and the second pole
It is necessary to check the positions of the pole parts 150 and 151, and it is difficult to assemble each part, especially a common part.
【0005】したがって、この発明の目的は、各部品の
組み込み作業が容易な多極型回路遮断器を提供すること
である。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a multi-pole type circuit breaker in which each component can be easily assembled.
【0006】[0006]
【課題を解決するための手段】請求項1記載の多極型回
路遮断器は、第1側ケースと、この第1側ケースに一面
側から組み込み支持された第1の固定側電路構成、第1
の可動側電路構成および第1の可動側電路構成の可動接
触子を支持する駆動部材と、前記第1側ケースの前記一
面側に重ねられて前記第1の固定側電路構成および前記
第1の可動側電路構成を他極に対して絶縁するとともに
前記駆動部材を通過させた中間ケースと、この中間ケー
スに組み込み支持された第2の固定側電路構成および前
記駆動部材に組み込む可動接触子を有する第2の可動側
電路構成と、前記中間ケースまたは前記第1側ケースに
組み込み支持されたハンドル,このハンドルにリンクを
介して連結されて前記駆動部材を押圧するラッチ部材お
よび前記ラッチ部材を係止する異常電流検出用の引外し
部材を含む共通部品と、前記中間ケースを介して前記第
1側ケースの前記一面側に重ねられて前記共通部品等を
隠蔽するとともに前記駆動部材を支持した第2側ケース
とを備えたものである。According to a first aspect of the present invention, there is provided a multi-pole type circuit breaker comprising a first side case, a first fixed side electric circuit structure which is incorporated and supported by the first side case from one side, 1
A driving member that supports a movable contact having a movable-side electric circuit configuration and a first movable-side electric circuit configuration; and a first fixed-side electric circuit configuration and a first member that are overlapped on the one surface side of the first side case. It has an intermediate case that insulates the movable-side electric circuit configuration from the other pole and passes the driving member, a second fixed-side electric circuit configuration that is incorporated and supported in the intermediate case, and a movable contact that is incorporated into the driving member. A second movable-side electric circuit configuration, a handle incorporated and supported in the intermediate case or the first side case, a latch member connected to the handle via a link and pressing the drive member, and locking the latch member And a common part including a tripping member for detecting abnormal current, and the intermediate part is overlapped on the one surface side of the first side case to conceal the common part and the like. It is obtained by a second side case that supports the serial driving members.
【0007】請求項1記載の多極型回路遮断器によれ
ば、第1極の部品および駆動部材を第1側ケースに組み
込み、中間ケースを重ね、第2極の部品および共通部品
を組み込み、第2側ケースを重ね合わせることにより、
全体が組立られるので、各部品を中間ケースおよび第2
側ケースの重ね方向からすべて組み込み可能になるとと
もに、各極の部品と共通部品との位置合わせが容易にな
り、各部品の組み込み作業が容易になる。According to the multi-pole type circuit breaker of the first aspect, the first pole component and the driving member are assembled in the first side case, the intermediate case is overlapped, and the second pole component and the common component are assembled. By overlapping the second side case,
Since the whole is assembled, each part is connected to the intermediate case and the second case.
In addition to being able to be incorporated from the side case overlapping direction, the positioning of the components of each pole and the common component is facilitated, and the assembly work of each component is facilitated.
【0008】請求項2記載の多極型回路遮断器は、請求
項1において、前記第1の固定側電路構成および前記第
1の可動側電路構成は互いに離れた端部に前記第1側ケ
ース、前記中間ケースおよび第2側ケースから露出する
入出力端子を有し、前記第2の固定側電路構成および前
記第2の可動側電路構成は互いに離れた端部に前記第1
側ケース、前記中間ケースおよび第2側ケースから露出
する入出力端子を有するとともに、第1側ケースは前記
ハンドルの枢支孔を略筒状に形成し、前記入出力端子の
近傍の少なくとも一方に係合受け部を有し、前記中間ケ
ースは前記枢支孔の周囲に嵌合する嵌合孔を有し、前記
係合受け部に係合する係合部を有するものである。According to a second aspect of the present invention, in the multi-pole circuit breaker according to the first aspect, the first fixed-side electric circuit configuration and the first movable-side electric circuit configuration are arranged such that the first side case is provided at an end separated from each other. , An input / output terminal exposed from the intermediate case and the second side case, wherein the second fixed-side electric circuit configuration and the second movable-side electric circuit configuration have the first
A side case, an input / output terminal exposed from the intermediate case and the second side case, and the first side case has a pivot hole of the handle formed in a substantially cylindrical shape, and is provided in at least one of the vicinity of the input / output terminal. The intermediate case has an engagement portion that fits around the pivot hole and has an engagement portion that engages with the engagement reception portion.
【0009】請求項2記載の多極型回路遮断器によれ
ば、請求項1の効果のほか、中間ケースを第1側ケース
の枢支孔および係合受け部に係合することにより、中間
ケースを第1側ケースに組み込みやすくなる。請求項3
記載の多極型回路遮断器は、請求項1または請求項2に
おいて、前記駆動部材が、前記第1側ケースおよび第2
側ケース間に回動自在に枢着され、前記駆動部材に前記
第1の可動側電路構成の可動接触子を第1側ケース側か
ら嵌め込む凹部および第2の可動側電路構成の可動接触
子を前記第2側ケース側から嵌め込む凹部を設けたもの
である。According to the multipole circuit breaker of the second aspect, in addition to the effect of the first aspect, the intermediate case is engaged with the pivot hole and the engagement receiving portion of the first side case, thereby providing the intermediate case. The case can be easily incorporated into the first side case. Claim 3
The multi-pole type circuit breaker according to claim 1 or 2, wherein the driving member comprises the first side case and the second side case.
A concave portion rotatably pivotally mounted between the side cases, the concave portion for fitting the movable contact having the first movable side electric circuit configuration into the drive member from the first side case side, and the movable contact having the second movable side electric circuit configuration. Is provided from the second side case side.
【0010】請求項3記載の多極型回路遮断器によれ
ば、請求項1または請求項2の効果のほか、第1の可動
側電路構成を第1側ケースに組み込み、駆動部材の凹部
に可動接触子に嵌め込み、駆動部材の別の凹部に第2の
可動側電路構成の可動接触子を嵌め込むことにより組み
込むことができるので、各可動接触子を駆動部材に装着
しやすくなる。According to the multipole circuit breaker of the third aspect, in addition to the effects of the first or second aspect, the first movable-side electric circuit configuration is incorporated in the first side case, and the first movable-side electric circuit configuration is provided in the recess of the driving member. Since the movable contact can be assembled by fitting the movable contact into the other concave portion of the drive member and the movable contact having the second movable-side electric circuit configuration, the movable contact can be easily mounted on the drive member.
【0011】請求項4記載の多極型回路遮断器は、請求
項1、請求項2または請求項3において、前記第1の可
動側電路構成の可動接触子および前記第2の可動側電路
構成の可動接触子が開極する方向に前記駆動部材を付勢
する開極ばねを、前記第1側ケースおよび前記駆動部材
間で前記第2側ケースの重ね方向と直角な方向に配設し
たものである。According to a fourth aspect of the present invention, there is provided the multipole circuit breaker according to any one of the first, second, and third aspects, wherein the movable contact having the first movable side circuit configuration and the second movable side circuit configuration. An opening spring for urging the drive member in a direction in which the movable contact of the first member is opened in a direction perpendicular to the overlapping direction of the second side case between the first side case and the drive member. It is.
【0012】請求項4記載の多極型回路遮断器によれ
ば、請求項1、請求項2または請求項3の効果のほか、
器体の長手方向すなわち第2側ケースの重ね方向に開極
ばねを装着しているので、第2側ケースの重ね方向の寸
法を大きくすることなく、開極ばねを収容するスペース
を有効に利用して長くとることができ、駆動部材に対す
る可動接触子の開極方向への付勢力を強くすることがで
きる。According to the multipole circuit breaker of the fourth aspect, in addition to the effects of the first, second or third aspects,
Since the opening spring is mounted in the longitudinal direction of the body, that is, in the overlapping direction of the second side case, the space for accommodating the opening spring can be effectively used without increasing the size of the second side case in the overlapping direction. As a result, the urging force of the movable contact with respect to the driving member in the opening direction can be increased.
【0013】[0013]
【発明の実施の形態】この発明の一実施の形態を図1な
いし図13により説明する。すなわち、この回路遮断器
は、器体1が第1側ケース2と、中間ケース3と、第2
側ケース4からなる。中間ケース3は第1側ケース2の
一面側に重ねられ、第2側ケース4は中間ケース3を介
して第1側ケース2に重ねられる。また第1側ケース2
はハンドル6の枢支孔5を略中央上部の位置に略筒状に
形成し、第1側ケース2の両端に位置する入出力端子
7,8の一方の近傍に係合受け部9,10を設け、中間
ケース3は枢支孔5の周囲に嵌合する嵌合孔12を設
け、係合受け部9,10に係合する係合部11,13を
設けている。実施の形態では係合受け部9が図2に示す
ように凹段状であり、係合受け部10が略半円筒凹状で
あり、係合部11は係合受け部9の縁部にガイドされる
傾斜部を有するテーパ突起であり、係合部13は係合受
け部10に周面の一部が係合する筒状に形成している。
係合状態は図3に示すように係合部11,13で係合受
け部9,10の間の部分を挟持している。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. That is, in this circuit breaker, the body 1 has a first side case 2, an intermediate case 3,
It consists of a side case 4. The intermediate case 3 is overlaid on one surface side of the first side case 2, and the second side case 4 is overlaid on the first side case 2 via the intermediate case 3. Also, the first side case 2
Has a pivot hole 5 of the handle 6 formed in a substantially cylindrical shape at a position substantially at the upper center, and engagement receiving portions 9 and 10 are provided near one of input / output terminals 7 and 8 located at both ends of the first side case 2. The intermediate case 3 is provided with a fitting hole 12 fitted around the pivot hole 5 and provided with engaging portions 11 and 13 which engage with the engagement receiving portions 9 and 10. In the embodiment, the engagement receiving portion 9 has a concave step shape as shown in FIG. 2, the engagement receiving portion 10 has a substantially semi-cylindrical concave shape, and the engaging portion 11 The engagement portion 13 is formed in a cylindrical shape in which a part of the peripheral surface is engaged with the engagement receiving portion 10.
In the engaged state, as shown in FIG. 3, the portions between the engagement receiving portions 9, 10 are sandwiched by the engagement portions 11, 13.
【0014】第1側ケース2は、取付面2a側の両端に
取付凹部15を形成し、その上側の位置に端子部を形成
している。第1側ケース2の一面側から第1の固定側電
路構成17、第1の可動側電路構成18および第1の可
動側電路構成18の可動接触子19を支持する駆動部材
20が組み込み込まれ位置決め支持されている。第1の
固定側電路構成17は、図4に示すように、固定接点2
0を有する固定接触子21と、固定接触子21の端部に
設けた速結端子構造の端子8からなり、第1側ケース2
の位置決め支持部68に組み込まれている。24はその
解除レバーである。第1の可動側電路構成18は固定接
点20に接離する可動接点25を有する板ばねを用いた
可動接触子19と、この端部に連結された端子ねじ型の
端子7からなり、位置決め支持部69に組み込まれてい
る。入出力端子7,8は第1の固定側電路構成17およ
び第1の可動側電路構成18の互いに離れた端部に設け
られ、第1側ケース2、中間ケース3および第2側ケー
ス4から露出するように配設される。The first side case 2 has mounting recesses 15 at both ends on the mounting surface 2a side, and a terminal portion at a position above the mounting recess 15. A driving member 20 that supports a first fixed-side electric circuit configuration 17, a first movable-side electric circuit configuration 18, and a movable contact 19 of the first movable-side electric circuit configuration 18 is incorporated from one surface side of the first side case 2. Positioned and supported. As shown in FIG. 4, the first fixed-side electric circuit configuration 17 includes a fixed contact 2
0, and a terminal 8 having a quick-connecting terminal structure provided at an end of the fixed contact 21.
Is incorporated in the positioning support portion 68 of the first embodiment. Reference numeral 24 denotes a release lever. The first movable-side electric circuit configuration 18 includes a movable contact 19 using a leaf spring having a movable contact 25 that comes into contact with and separates from the fixed contact 20, and a terminal screw-type terminal 7 connected to this end. It is incorporated in the unit 69. The input / output terminals 7 and 8 are provided at mutually separated ends of the first fixed-side electric circuit configuration 17 and the first movable-side electric circuit configuration 18, and are connected to the first side case 2, the intermediate case 3, and the second side case 4. It is arranged to be exposed.
【0015】中間ケース3は、第1側ケース2の一面側
に重ねられて第1の固定側電路構成17および第1の可
動側電路構成18を隣接する他極に対して絶縁するとと
もに、駆動部材20を通過させている。実施の形態の中
間ケースは電路構成やその他の必要部品を第1側ケース
2に対して位置決めし押える役目も果たし、またハンド
ル6および駆動部材20を逃げる穴部27,28を形成
している。この中間ケース3の一面側に、第2の固定側
電路構成30および駆動部材20に組み込む第2の可動
接触子31を有する第2の可動側電路構成32が組み込
み支持されている。第2の固定側電路構成30および第
2の可動側電路構成31は互いに離れた端部に第1側ケ
ース2、中間ケース3および第2側ケース4から露出す
る入出力端子7,8を有する。実施の形態の第2の固定
側電路構成30は、固定接点50を有する固定接触子5
1と解除レバー24付きの速結端子構造の端子8からな
り、中間ケース3の位置決め支持部66に組み込まれて
いる。第2の可動側電路構成32は可動接点52を有す
る可動接触子31と、可動接触子31に接続された可撓
電線53と、可撓電線53に接続されたバイメタル54
と、バイメタル54を連結した端子ねじ型の端子7と、
端子7に設けられてバイメタル54を囲む短絡検出用の
磁性板55からなっており、端子7が中間ケース3の位
置決め支持部67に組み込まれ、可動接触子31は駆動
部材20に保持されている。63はバイメタル調整ね
じ、65はハンドル復帰ばねである。The intermediate case 3 is overlaid on one surface side of the first side case 2 to insulate the first fixed-side electric circuit configuration 17 and the first movable-side electric circuit configuration 18 from other adjacent poles and to drive the intermediate case 3. The member 20 is passed. The intermediate case according to the embodiment also serves to position and press down the electric circuit configuration and other necessary components with respect to the first side case 2, and form holes 27 and 28 for the handle 6 and the drive member 20 to escape. On one surface side of the intermediate case 3, a second movable-side electric circuit configuration 32 having a second fixed-side electric circuit configuration 30 and a second movable contact 31 to be incorporated into the drive member 20 is incorporated and supported. The second fixed-side electric circuit configuration 30 and the second movable-side electric circuit configuration 31 have input / output terminals 7, 8 exposed at the ends separated from each other from the first side case 2, the intermediate case 3, and the second side case 4. . The second fixed-side electric circuit configuration 30 of the embodiment includes a fixed contact 5 having a fixed contact 50.
1 and a terminal 8 having a quick-connecting terminal structure with a release lever 24, which is incorporated in a positioning support portion 66 of the intermediate case 3. The second movable-side electric circuit configuration 32 includes a movable contact 31 having a movable contact 52, a flexible wire 53 connected to the movable contact 31, and a bimetal 54 connected to the flexible wire 53.
And a terminal screw-type terminal 7 connecting the bimetal 54,
A short-circuit detection magnetic plate 55 is provided on the terminal 7 and surrounds the bimetal 54. The terminal 7 is incorporated in the positioning support 67 of the intermediate case 3, and the movable contact 31 is held by the drive member 20. . 63 is a bimetal adjustment screw, and 65 is a handle return spring.
【0016】駆動部材20は、第1側ケース2および第
2側ケース4間に回動自在に枢着され、駆動部材20に
第1の可動接触子19を第1側ケース2側から嵌め込む
凹部37および第2の可動接触子31を第2側ケース4
側から嵌め込む凹部38を設けている。実施の形態で
は、図8に示すように両側に軸39を突出し、第1側ケ
ース2および第2側ケース3に形成した筒状の軸孔40
に軸支している。第1の可動接触子19は中性極側のた
め板ばねにより構成してあり、凹部37に弾性係止す
る。第2の可動接触子31は圧縮コイルばねを用いた接
点圧付与ばね42により凹部38内に位置決め保持され
ている。The driving member 20 is rotatably mounted between the first side case 2 and the second side case 4, and the first movable contact 19 is fitted into the driving member 20 from the first side case 2 side. The recess 37 and the second movable contact 31 are connected to the second side case 4.
A concave portion 38 fitted from the side is provided. In the embodiment, as shown in FIG. 8, shafts 39 protrude from both sides to form cylindrical shaft holes 40 formed in the first side case 2 and the second side case 3.
It is pivoted. The first movable contact 19 is constituted by a leaf spring for the neutral pole side, and is elastically engaged with the concave portion 37. The second movable contact 31 is positioned and held in the recess 38 by a contact pressure applying spring 42 using a compression coil spring.
【0017】可動接触子19,31が開極する方向に駆
動部材20を付勢する開極ばね44を、たとえば図4に
示すように、第1側ケース2および駆動部材20間で第
2側ケース4の重ね方向と直角な方向とくに入出力端子
7,8を結ぶ方向に略平行に配設している。実施の形態
の開極ばね44は引っ張りコイルばねを用い、その両端
を駆動部材20および第1側ケース2に設けた突起4
6,47に引っ掛けている。An opening spring 44 for urging the driving member 20 in the direction in which the movable contacts 19 and 31 are opened is connected between the first side case 2 and the driving member 20, for example, as shown in FIG. The input / output terminals 7 and 8 are arranged substantially in parallel with the direction perpendicular to the direction in which the cases 4 are stacked, particularly in the direction connecting the input / output terminals 7 and 8. The extension spring 44 of the embodiment uses a tension coil spring, and both ends of the projection 4 are provided on the drive member 20 and the first side case 2.
6,47.
【0018】また、第1側ケース2にハンドル6、この
ハンドル6にリンク33を介して連結されて駆動部材2
0を押圧するラッチ部材34、およびラッチ部材34を
係止する異常電流検出用の引外し部材35を含む共通部
品が、中間ケース3の穴部27,28を介して組み込み
支持されている。実施の形態のハンドル6は、略中央部
に軸58を有し、軸58を第1側ケース2の軸受け孔5
および第2側ケース4の筒状の軸受け孔59に軸支して
いる。ハンドル6はその軸58を間にして互いに反対側
にハンドル部6aおよびリンク連結部6bを設けている
(図6参照)。リンク33はたとえばコ字形で、一端片
がリンク連結部6bに嵌合し、他端片がラッチ部材34
の中間部に設けた軸孔34aに嵌合している。引外し部
材35は軸35a、バイメタル受け部35b、ラッチ係
止部35c(図6参照)を有し、駆動部材20とともに
中間ケース3の穴部28を通して第1側ケース2および
第2側ケース4に形成した筒状の一対の軸孔60に軸3
5aが軸支されている。またバイメタル54を囲む磁性
板55に対向する磁性板61が設けられている。The handle 6 is connected to the first side case 2 via a link 33, and the drive member 2 is connected to the handle 6 via a link 33.
A common part including a latch member 34 for pressing 0 and a tripping member 35 for detecting an abnormal current that locks the latch member 34 is incorporated and supported through the holes 27 and 28 of the intermediate case 3. The handle 6 of the embodiment has a shaft 58 at a substantially central portion, and the shaft 58 is connected to the bearing hole 5 of the first side case 2.
And it is supported by the cylindrical bearing hole 59 of the second side case 4. The handle 6 is provided with a handle portion 6a and a link connecting portion 6b on opposite sides of the shaft 58 (see FIG. 6). The link 33 has, for example, a U-shape, one end of which is fitted into the link connecting portion 6b, and the other end of which is a latch member 34.
Is fitted in a shaft hole 34a provided in an intermediate portion of the shaft. The tripping member 35 has a shaft 35a, a bimetal receiving portion 35b, and a latching portion 35c (see FIG. 6), and the first side case 2 and the second side case 4 through the hole 28 of the intermediate case 3 together with the driving member 20. The shaft 3 is inserted into a pair of cylindrical shaft holes 60 formed in
5a is pivotally supported. Further, a magnetic plate 61 facing the magnetic plate 55 surrounding the bimetal 54 is provided.
【0019】第2側ケース4は、中間ケース3を介して
第1側ケース2の一面側に重ねられて前記した共通部品
等を隠蔽するとともに駆動部材20を支持する。実施の
形態では、共通部品等を位置決めし押える役目も果た
す。またたとえば図1および図12に示すように、リベ
ットやねじ等を用いた連結具73を器体1の4個所の孔
に通して中間ケース3を貫通するように第1側ケース2
と第2側ケース4とを連結したり、あるいは中間ケース
3は孔をねじ孔のある筒状に形成して第1側ケース2の
間をねじを用いた連結具73により連結し、同様に第2
側ケース4と中間ケース3とをねじを用いた連結具73
により連結する。ただしねじ孔はねじによりタッピング
されて形成されてもよい。4個所のうち3個所は側ケー
ス2,4について同一個所にあるが、残り1個所は位置
がずれている。その1つは係合部13の中心孔を利用し
ている。また第1側ケース2および第2側ケース4を当
接部82,38で直接連結するため2個所に孔91を形
成して連結具73と同様な連結具74で連結している。The second side case 4 is overlaid on one surface side of the first side case 2 with the intermediate case 3 interposed therebetween to cover the above-mentioned common parts and the like and to support the driving member 20. In the embodiment, it also plays a role of positioning and pressing common parts and the like. For example, as shown in FIGS. 1 and 12, the first side case 2 may be configured such that a connecting member 73 using rivets, screws, or the like is passed through four holes of the body 1 and penetrates the intermediate case 3.
The second case 4 is connected to the second case 4, or the intermediate case 3 is formed in a cylindrical shape with a screw hole, and the first case 2 is connected between the first case 2 by a connecting member 73 using a screw. Second
A connecting member 73 using a screw to connect the side case 4 and the intermediate case 3
Connect with. However, the screw hole may be formed by tapping with a screw. Three of the four locations are at the same location for side cases 2 and 4, but the remaining location is offset. One of them utilizes the center hole of the engaging portion 13. In order to directly connect the first side case 2 and the second side case 4 by the contact portions 82 and 38, holes 91 are formed at two places and connected by a connecting member 74 similar to the connecting member 73.
【0020】この回路遮断器の動作について説明する。
図6はオフ状態であり、可動接触子19,31は開極ば
ね44により開極している。図9はオン状態であり、ハ
ンドル6を操作すると、リンク33を介してラッチ部材
34を押し、ラッチ部材34の一端が引外し部材35の
ラッチ係止部35cに係止した状態で他端で駆動部材2
0を回動し、開極ばね44を引きながら可動接触子1
9,31を閉極する。ハンドル6は反転死点を超えて凹
部27の縁部に係止する。この結果、入出力端子7,8
間が導通し電流が流れる。図10は過電流が流れた場合
であり、バイメタル54が自己発熱しわん曲して引外し
部材35を押し、引外し部材35が回動してラッチ部材
34の係止が外れ、このため開極ばね44の復帰力で駆
動部材20を回動し可動接触子19,31が開極する。
駆動部材20でラッチ部材34を押し上げ、ラッチ部材
34が第1側ケース2、中間ケース3および第2側ケー
スのいずれかに設けたストッパ70に係止してハンドル
6が中立姿勢となる。バイメタル54が復帰し事故が回
復していると、ハンドル6をオフにすることにより、リ
ンク33でラッチ部材34を引上げて引外し部材35に
係止する。図11は電路に短絡電流が流れた場合であ
り、磁性板54,61を流れる磁束による吸引力で引外
し部材35を回動させてラッチ部材34を引外し、前記
したように可動接触子19,31が開極する。The operation of the circuit breaker will be described.
FIG. 6 shows an off state, in which the movable contacts 19 and 31 are opened by the opening spring 44. FIG. 9 shows the ON state. When the handle 6 is operated, the latch member 34 is pushed through the link 33, and one end of the latch member 34 is engaged with the latch engagement portion 35 c of the tripping member 35 while the other end is engaged. Drive member 2
0 and the movable contact 1 while pulling the opening spring 44.
9, 31 is closed. The handle 6 is locked to the edge of the recess 27 beyond the inversion dead center. As a result, the input / output terminals 7, 8
Electric current flows between the electrodes. FIG. 10 shows a case where an overcurrent flows, in which the bimetal 54 self-heats and bends to push the tripping member 35, and the tripping member 35 rotates to release the latching of the latch member 34. The drive member 20 is rotated by the return force of the pole spring 44, and the movable contacts 19 and 31 are opened.
The latch member 34 is pushed up by the drive member 20, and the latch member 34 is engaged with the stopper 70 provided in any of the first side case 2, the intermediate case 3, and the second side case, so that the handle 6 is in the neutral posture. If the bimetal 54 has returned and the accident has recovered, the handle 33 is turned off, so that the latch member 34 is pulled up by the link 33 and locked to the trip member 35. FIG. 11 shows the case where a short-circuit current flows in the electric circuit. The tripping member 35 is rotated by the attraction force of the magnetic flux flowing through the magnetic plates 54 and 61 to trip the latch member 34, and the movable contact 19 , 31 open.
【0021】この実施の形態によれば、第1極の部品で
ある第1の固定側電路構成17および第1の可動側電路
構成18ならびに駆動部材20を第1側ケース2に組み
込み、中間ケース3を重ね、第2極の部品である第2の
固定側電路構成30および第2の可動側電路構成32な
らびにハンドル6等の共通部品を組み込み、第2側ケー
ス4を重ね合わせることにより、全体が組立られるの
で、各部品を中間ケース3および第2側ケース4の重ね
方向からすべて組み込み可能になるとともに、各極の部
品と共通部品との位置合わせが容易になり、各部品の組
み込み作業が容易になる。According to this embodiment, the first fixed-side electric circuit configuration 17 and the first movable-side electric circuit configuration 18 and the driving member 20 which are the components of the first pole are incorporated into the first side case 2 and 3 and the common parts such as the second fixed-side electric circuit configuration 30 and the second movable-side electric circuit configuration 32, which are the components of the second pole, and the handle 6, and the second side case 4 are superimposed. Are assembled, all the components can be assembled from the overlapping direction of the intermediate case 3 and the second side case 4, and the alignment of the components of each pole with the common components becomes easy, and the work of assembling each component becomes easy. It will be easier.
【0022】中間ケース3を第1側ケース2の枢支孔5
および係合受け部9,10に係合することにより、中間
ケース3を第1側ケース2に組み込みやすくなる。第1
の可動側電路構成18を第1側ケース2に組み込み、駆
動部材20の凹部37に可動接触子19を嵌め込み、駆
動部材20の別の凹部38に可動接触子31を嵌め込む
ことにより組み込むことができるので、可動接触子1
9,31を駆動部材20に装着しやすくなる。The intermediate case 3 is connected to the pivot hole 5 of the first side case 2.
By engaging with the engagement receiving portions 9 and 10, the intermediate case 3 can be easily incorporated into the first side case 2. First
The movable-side electric circuit configuration 18 is assembled into the first side case 2, the movable contact 19 is fitted into the concave portion 37 of the driving member 20, and the movable contact 31 is fitted into another concave portion 38 of the driving member 20. Movable contact 1
9 and 31 can be easily mounted on the driving member 20.
【0023】器体1の長手方向すなわち第2側ケース4
の重ね方向に開極ばね44を装着しているので、第2側
ケース4の重ね方向の寸法を大きくすることなく、開極
ばね44を収容するスペースを有効に利用して長くとる
ことができ、駆動部材20に対する可動接触子19,3
1の開極方向への付勢力を強くすることができる。な
お、この発明において、係合受け部9,10は入出力端
子の片方のいずれかみならず両方の近傍に設けてもよ
い。またハンドル6等の共通部品は第1側ケース2およ
び第2側ケース4に支持されたが、中間ケース3に支持
されてもよく、とくにたとえば第1側ケース2と中間ケ
ース3間、または中間ケース3と第2側ケース4間で支
持されてもよい。The longitudinal direction of the body 1, that is, the second side case 4
Since the opening springs 44 are mounted in the overlapping direction of the second case 4, the space for accommodating the opening springs 44 can be effectively used and increased, without increasing the size of the second side case 4 in the overlapping direction. , Movable contacts 19 and 3 with respect to drive member 20
1 can be strengthened in the opening direction. In the present invention, the engagement receiving portions 9 and 10 may be provided near either one of the input / output terminals or not. Although the common parts such as the handle 6 are supported by the first side case 2 and the second side case 4, they may be supported by the intermediate case 3, particularly, for example, between the first side case 2 and the intermediate case 3, or in the middle. It may be supported between the case 3 and the second side case 4.
【0024】[0024]
【発明の効果】請求項1記載の多極型回路遮断器によれ
ば、第1極の部品および駆動部材を第1側ケースに組み
込み、中間ケースを重ね、第2極の部品および共通部品
を組み込み、第2側ケースを重ね合わせることにより、
全体が組立られるので、各部品を中間ケースおよび第2
側ケースの重ね方向からすべて組み込み可能になるとと
もに、各極の部品と共通部品との位置合わせが容易にな
り、各部品の組み込み作業が容易になる。According to the multi-pole type circuit breaker according to the first aspect, the first pole component and the driving member are incorporated in the first side case, the intermediate case is overlapped, and the second pole component and the common component are combined. By assembling and overlapping the second side case,
Since the whole is assembled, each part is connected to the intermediate case and the second case.
In addition to being able to be incorporated from the side case overlapping direction, the positioning of the components of each pole and the common component is facilitated, and the assembly work of each component is facilitated.
【0025】請求項2記載の多極型回路遮断器によれ
ば、請求項1の効果のほか、中間ケースを第1側ケース
の枢支孔および係合受け部に係合することにより、中間
ケースを第1側ケースに組み込みやすくなる。請求項3
記載の多極型回路遮断器によれば、請求項1または請求
項2の効果のほか、第1の可動側電路構成を第1側ケー
スに組み込み、駆動部材の凹部を可動接触子に嵌め込
み、駆動部材の別の凹部に第2の可動側電路構成の可動
接触子を嵌め込むことにより組み込むことができるの
で、各可動接触子を駆動部材に装着しやすくなる。According to the multipole circuit breaker of the second aspect, in addition to the effect of the first aspect, the intermediate case is engaged with the pivot hole and the engagement receiving portion of the first side case, so that the intermediate case is provided. The case can be easily incorporated into the first side case. Claim 3
According to the multipolar circuit breaker described above, in addition to the effects of claim 1 or claim 2, the first movable-side electric circuit configuration is incorporated into the first side case, and the recess of the drive member is fitted into the movable contact, Since the movable contact having the second movable-side electric circuit configuration can be incorporated by fitting it into another concave portion of the drive member, each movable contact can be easily mounted on the drive member.
【0026】請求項4記載の多極型回路遮断器によれ
ば、請求項1、請求項2または請求項3の効果のほか、
器体の長手方向すなわち第2側ケースの重ね方向に開極
ばねを装着しているので、第2側ケースの重ね方向の寸
法を大きくすることなく、開極ばねを収容するスペース
を有効に利用して長くとることができ、駆動部材に対す
る可動接触子の開極方向への付勢力を強くすることがで
きる。According to the multipole circuit breaker of the fourth aspect, in addition to the effects of the first, second or third aspects,
Since the opening spring is mounted in the longitudinal direction of the body, that is, in the overlapping direction of the second side case, the space for accommodating the opening spring can be effectively used without increasing the size of the second side case in the overlapping direction. As a result, the urging force of the movable contact with respect to the driving member in the opening direction can be increased.
【図面の簡単な説明】[Brief description of the drawings]
【図1】この発明の一実施の形態の分解斜視図である。FIG. 1 is an exploded perspective view of an embodiment of the present invention.
【図2】第1側ケースと中間ケースの相向い合う面を示
す斜視図である。である。FIG. 2 is a perspective view showing opposing surfaces of a first side case and an intermediate case. It is.
【図3】第1側ケースと中間ケースと係止部の一部を示
した部分図である。FIG. 3 is a partial view showing a first side case, an intermediate case, and a part of a locking portion;
【図4】第1側ケースに第1の固定側電路構成および第
1の可動側電路構成を組み込んだ状態の側面図である。FIG. 4 is a side view showing a state where a first fixed-side electric circuit configuration and a first movable-side electric circuit configuration are incorporated in a first side case.
【図5】第1側ケースに取付けた中間ケースに第2の固
定側電路構成および第2の可動側電路構成を組み込んだ
状態の側面図である。FIG. 5 is a side view showing a state in which a second fixed-side electric circuit configuration and a second movable-side electric circuit configuration are incorporated in an intermediate case attached to the first side case.
【図6】ハンドル等の共通部品を組み込んだ状態の側面
図である。FIG. 6 is a side view showing a state in which common parts such as a handle are incorporated.
【図7】駆動部材の取付けを示す部分斜視図である。FIG. 7 is a partial perspective view showing attachment of a driving member.
【図8】駆動部材と可動接触子の関係を示す分解斜視図
である。FIG. 8 is an exploded perspective view showing a relationship between a driving member and a movable contact.
【図9】オン状態の第2側ケースを外した状態の側面図
である。FIG. 9 is a side view of a state where a second side case in an on state is removed.
【図10】過電流トリップ状態の側面図である。FIG. 10 is a side view of an overcurrent trip state.
【図11】短絡トリップ状態の側面図である。FIG. 11 is a side view of a short-circuit trip state.
【図12】回路遮断器の外観斜視図である。FIG. 12 is an external perspective view of the circuit breaker.
【図13】その側面図である。FIG. 13 is a side view thereof.
【図14】従来例の分解斜視図である。FIG. 14 is an exploded perspective view of a conventional example.
【図15】その組立状態の第2極の内部を示す断面図で
ある。FIG. 15 is a sectional view showing the inside of the second pole in the assembled state.
1 器体 2 第1側ケース 3 中間ケース 4 第2側ケース 5 枢支孔 6 ハンドル 7,8 入出力端子 9,10 係合受け部 11,13 係合部 17 第1の固定側電路構成 18 第1の可動側電路構成 19 可動接触子 20 駆動部材 30 第2の固定側電路構成 31 可動接触子 32 第2の可動側電路構成 33 リンク 34 ラッチ部材 35 引外し部材 37,38 凹部 44 開極ばね DESCRIPTION OF SYMBOLS 1 Instrument body 2 1st side case 3 Intermediate case 4 2nd side case 5 Pivot hole 6 Handle 7, 8 I / O terminal 9, 10 Engagement receiving part 11, 13 Engagement part 17 1st fixed side electric circuit composition 18 First movable-side circuit configuration 19 Movable contact 20 Drive member 30 Second fixed-side circuit configuration 31 Movable contact 32 Second movable-side circuit configuration 33 Link 34 Latch member 35 Tripping member 37, 38 Recess 44 Opening Spring
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中道 義也 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 田中 孝信 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 松井 靖 大阪府門真市大字門真1048番地 松下電工 株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshiya Nakamichi 1048 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. Inventor Yasushi Matsui 1048 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd.
Claims (4)
面側から組み込み支持された第1の固定側電路構成、第
1の可動側電路構成および第1の可動側電路構成の可動
接触子を支持する駆動部材と、前記第1側ケースの前記
一面側に重ねられて前記第1の固定側電路構成および前
記第1の可動側電路構成を他極に対して絶縁するととも
に前記駆動部材を通過させた中間ケースと、この中間ケ
ースに組み込み支持された第2の固定側電路構成および
前記駆動部材に組み込む可動接触子を有する第2の可動
側電路構成と、前記中間ケースまたは前記第1側ケース
に組み込み支持されたハンドル,このハンドルにリンク
を介して連結されて前記駆動部材を押圧するラッチ部材
および前記ラッチ部材を係止する異常電流検出用の引外
し部材を含む共通部品と、前記中間ケースを介して前記
第1側ケースの前記一面側に重ねられて前記共通部品等
を隠蔽するとともに前記駆動部材を支持した第2側ケー
スとを備えた多極型回路遮断器。1. A first side case, and a movable contact of a first fixed-side circuit configuration, a first movable-side circuit configuration, and a first movable-side circuit configuration that are incorporated and supported by the first side case from one surface side. A drive member for supporting the drive member, the drive member being superimposed on the one surface side of the first side case to insulate the first fixed-side electric circuit configuration and the first movable-side electric circuit configuration from other poles, and , A second fixed-side electrical circuit configuration incorporated in and supported by the intermediate case, a second movable-side electrical circuit configuration having a movable contact incorporated into the driving member, and the intermediate case or the first case. A common part including a handle incorporated in and supported by the side case, a latch member connected to the handle via a link and pressing the driving member, and a tripping member for detecting an abnormal current that locks the latch member; Multi-pole circuit breaker, comprising: a product; and a second side case that is overlapped on the one surface side of the first side case via the intermediate case to conceal the common parts and the like and supports the driving member. .
1の可動側電路構成は互いに離れた端部に前記第1側ケ
ース、前記中間ケースおよび第2側ケースから露出する
入出力端子を有し、前記第2の固定側電路構成および前
記第2の可動側電路構成は互いに離れた端部に前記第1
側ケース、前記中間ケースおよび第2側ケースから露出
する入出力端子を有するとともに、第1側ケースは前記
ハンドルの枢支孔を略筒状に形成し、前記入出力端子の
近傍の少なくとも一方に係合受け部を有し、前記中間ケ
ースは前記枢支孔の周囲に嵌合する嵌合孔を有し、前記
係合受け部に係合する係合部を有する請求項1記載の多
極型回路遮断器。2. The first fixed-side electric circuit configuration and the first movable-side electric circuit configuration have input / output terminals exposed from the first side case, the intermediate case, and the second side case at ends separated from each other. The second fixed-side electrical circuit configuration and the second movable-side electrical circuit configuration have the first
A side case, an input / output terminal exposed from the intermediate case and the second side case, and the first side case has a pivot hole of the handle formed in a substantially cylindrical shape, and is provided in at least one of the vicinity of the input / output terminal. The multi-pole according to claim 1, further comprising an engagement receiving portion, wherein the intermediate case has a fitting hole fitted around the pivot hole, and has an engaging portion engaged with the engagement receiving portion. Type circuit breaker.
び第2側ケース間に回動自在に枢着され、前記駆動部材
に前記第1の可動側電路構成の可動接触子を第1側ケー
ス側から嵌め込む凹部および第2の可動側電路構成の可
動接触子を前記第2側ケース側から嵌め込む凹部を設け
た請求項1または請求項2記載の多極型回路遮断器。3. The driving member is rotatably mounted between the first side case and the second side case, and the driving member is provided with a movable contact having the first movable side electric path on a first side. 3. The multi-pole circuit breaker according to claim 1, further comprising a concave portion fitted from the case side and a concave portion fitted with the movable contact having the second movable side electric circuit configuration from the second side case side.
動部材を付勢する開極ばねを、前記第1側ケースおよび
前記駆動部材間で前記第2側ケースの重ね方向と直角な
方向に配設した請求項1、請求項2または請求項3記載
の多極型回路遮断器。4. An opening spring for urging the driving member in a direction in which the movable contact opens, in a direction perpendicular to the overlapping direction of the second side case between the first side case and the driving member. The multi-pole circuit breaker according to claim 1, 2 or 3, wherein
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16826497A JP3331151B2 (en) | 1997-06-25 | 1997-06-25 | Multi-pole circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16826497A JP3331151B2 (en) | 1997-06-25 | 1997-06-25 | Multi-pole circuit breaker |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1116477A true JPH1116477A (en) | 1999-01-22 |
JP3331151B2 JP3331151B2 (en) | 2002-10-07 |
Family
ID=15864797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16826497A Expired - Lifetime JP3331151B2 (en) | 1997-06-25 | 1997-06-25 | Multi-pole circuit breaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3331151B2 (en) |
-
1997
- 1997-06-25 JP JP16826497A patent/JP3331151B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3331151B2 (en) | 2002-10-07 |
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