【０００１】[0001]
【発明の属する技術分野】本発明は分電盤内等に設置し
て異常電流が流れた際に接続電路を遮断する配線用遮断
器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit breaker installed in a distribution board or the like to cut off a connecting electric circuit when an abnormal current flows.
【０００２】[0002]
【従来の技術】従来の配線用遮断器は図５の斜視図に示
すように形成され、２１は電源側端子、２２は負荷側端
子を示している。双方の端子は何れも２個の端子を左右
に配置して形成され、何れの端子もネジ止め式としたも
のが広く採用されている。この構成の場合の１００Ｖと
２００Ｖの切替えは、分電盤内に配設された幹線バーか
ら遮断器に伸びている分岐バーの接続形態を変更して実
施していた。2. Description of the Related Art A conventional circuit breaker for wiring is formed as shown in the perspective view of FIG. 5, in which 21 is a power source side terminal and 22 is a load side terminal. Both terminals are formed by arranging two terminals on the left and right sides, and it is widely adopted that both terminals are of screw type. Switching between 100 V and 200 V in the case of this configuration was performed by changing the connection form of the branch bar extending from the main bar arranged in the distribution board to the circuit breaker.
【０００３】このようなねじ式のものは上部にねじを操
作する操作孔２３が必要であり、そのスペースを確保に
なければならないために小型化するのが難しく、近年ね
じを使用しない差し込み式の構造を採用して小型化を可
能としたものが普及し始めている。図６はその一例を示
す配線用遮断器の側面図であり、２５は電源側端子、２
６は負荷側端子であり、導体バー２７を電源側端子２５
に挿入した状態を示している。電源側端子２５は上下配
置された３本の導体バー挿入口２５ａ，２５ｂ，２５ｃ
から成り、単相３線式電路の３本の導体バーを同時に挿
入可能な形態となっている。そのうち下部の導体バー挿
入口２５ｃは接続金具２８ｂを有して電源側の一方の差
し込み式端子を形成し、上側２つの導体バー挿入口２５
ａ，２５ｂの何れか一方のみに接続金具２８ａが設けら
れ、接続金具２８ａを具備した一方を電源側の他方の差
し込み式端子としている。そして、上側２つの導体バー
挿入口２５ａ，２５ｂの一方に配置された接続金具２８
ａは配線用遮断機内に設けられた移動手段により何れか
一方にスライド移動可能に形成され、この移動操作によ
り１００Ｖと２００Ｖの電圧切替を可能としている。Such a screw type requires an operation hole 23 for operating the screw in the upper part, and it is difficult to miniaturize it because it is necessary to secure a space for it. In recent years, a screw type is used. Those that have adopted a structure and can be downsized are becoming popular. FIG. 6 is a side view of a wiring breaker showing an example thereof, in which 25 is a power supply side terminal and 2
6 is a load side terminal, and the conductor bar 27 is connected to the power source side terminal 25.
It shows the state of being inserted into. The power supply side terminal 25 has three conductor bar insertion openings 25a, 25b, 25c arranged vertically.
In this configuration, the three conductor bars of the single-phase three-wire type electric circuit can be simultaneously inserted. The lower conductor bar insertion port 25c has a connecting fitting 28b to form one plug-in terminal on the power supply side, and the upper two conductor bar insertion ports 25c.
The connection fitting 28a is provided only on either one of a and 25b, and the one equipped with the connection fitting 28a serves as the other plug-in terminal on the power supply side. Then, the connection fitting 28 arranged on one of the upper two conductor bar insertion openings 25a and 25b
"a" is formed so as to be slidable to either one by a moving means provided in the circuit breaker for wiring, and the voltage of 100V and 200V can be switched by this moving operation.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記差し込み
式端子を採用した配線用遮断器は、端子を縦配置するこ
とで遮断器幅を小さくすることが容易であり小型化し易
いが、１００Ｖと２００Ｖの切替えは配線用遮断器を一
端取外して接続している導体バーを取り除いた状態でな
ければ切り替えができず、切替操作が面倒であった。そ
こで、本発明は上記問題点に鑑み、小型化及び電圧切替
えが容易な構造の配線用遮断器を提供することを目的と
する。However, in the case of the circuit breaker for wiring which employs the plug-in type terminal, it is easy to reduce the circuit breaker width by arranging the terminals vertically, and it is easy to downsize the circuit breaker. The switching operation was troublesome because the switching operation was not possible unless the conductor bar connected to the wiring breaker was removed. Therefore, in view of the above problems, it is an object of the present invention to provide a circuit breaker for wiring, which has a structure that is easy to downsize and can easily switch voltages.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、請求項１の発明は、ハウジングの前面に電源側端
子、背面に負荷側端子を設け、上面に電路の開閉操作を
する操作レバーを配置し、電源側端子は即結端子を縦方
向に配列して成る配線用遮断器であって、電源側端子は
３つの端子から成り、何れも接続する導体バーを挟持接
続する接続金具を内蔵し、何れか１つの接続金具が２つ
の固定接触子，可動接触子の組の一方の組の固定接触子
に接続され、他の２つの接続金具は切替手段により何れ
か一方が選択されて他方の組の固定接触子に接続されて
成るこを特徴とする。In order to solve the above problems, the invention according to claim 1 provides a power source side terminal on the front surface of the housing, a load side terminal on the rear surface, and an operation lever for opening and closing the electric path on the upper surface. Arranged, the power supply side terminal is a circuit breaker in which quick-connect terminals are arranged in the vertical direction, and the power supply side terminal consists of three terminals, with built-in connection metal fittings for sandwiching and connecting the conductor bar to connect However, any one of the connecting fittings is connected to the fixed contactor of one of the two sets of the fixed contactor and the movable contactor, and the other two connecting fittings are selected one by the switching means and the other. It is characterized in that it is connected to a fixed contact of the set.
【０００６】請求項２の発明は、請求項１の発明におい
て、切替手段は、ハウジング上面に選択スイッチを有
し、該選択スイッチの操作により他の２つの接続金具の
うちの一方を選択可能なことを特徴とする。According to the invention of claim 2, in the invention of claim 1, the switching means has a selection switch on the upper surface of the housing, and one of the other two connecting fittings can be selected by operating the selection switch. It is characterized by
【０００７】[0007]
【発明の実施の形態】以下、本発明を具体化した実施の
形態を、図面に基づいて詳細に説明する。図１、図２は
本発明に係る配線用遮断器の一例を示し、図１（ａ）は
電源側端子を含む部分側面説明図、図１（ｂ）はＡ部の
平面説明図であり、図２は電源側端子を含む部分斜視図
を示している。図において、１は配線用遮断器のハウジ
ング、２は３つの端子２ａ，２ｂ，２ｃから成る電源側
端子、３は電路のオン／オフ操作をする操作レバーであ
り、本発明の配線用遮断器は電源側端子２が３つの端子
から成り、負荷側端子は２つの端子（図示せず）で構成
されている。また、１１は電源側端子２に接続される導
体バーを示している。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. 1 and 2 show an example of a circuit breaker according to the present invention, FIG. 1 (a) is a partial side view including a power supply side terminal, and FIG. 1 (b) is a plan view of part A, FIG. 2 shows a partial perspective view including the power supply side terminal. In the figure, 1 is a housing of a circuit breaker for wiring, 2 is a power source side terminal composed of three terminals 2a, 2b, 2c, 3 is an operating lever for turning on / off the electric circuit, and a circuit breaker for wiring according to the present invention. The power source side terminal 2 is composed of three terminals, and the load side terminal is composed of two terminals (not shown). Reference numeral 11 denotes a conductor bar connected to the power supply side terminal 2.
【０００８】電源側端子２は、図１（ａ）に示すように
各端子２ａ，２ｂ，２ｃは縦に整列配置され、その内部
に接続金具４，４，４が設けられている。この接続金具
４は図１（ｂ）に示すように導体バー１１を左右から挟
持して接続保持するよう形成され、各端子は即結端子と
して形成されている。そのうち最下部の端子２ｃの接続
金具４は、上下２段にに配置された固定接触子６と可動
接触子７とからなる２組の接点部１２ａ，１２ｂのうち
の下方に配置された一方の接点部１２ａの固定接触子６
に接続されている。また、上側２つの端子２ａ，２ｂの
接続金具４，４のうち一方が切替手段８を介して他方の
接点部１２ｂの固定接触子６に接続されている。In the power supply side terminal 2, as shown in FIG. 1A, the terminals 2a, 2b and 2c are vertically aligned, and the connection fittings 4, 4 and 4 are provided therein. As shown in FIG. 1B, the connection fitting 4 is formed so as to sandwich and hold the conductor bar 11 from the left and right, and each terminal is formed as a prompt connection terminal. The connection fitting 4 of the lowermost terminal 2c among them is one of the two contact portions 12a and 12b, which is composed of a fixed contact 6 and a movable contact 7 arranged in two steps above and below, which is arranged below. Fixed contact 6 of contact part 12a
It is connected to the. Further, one of the connection fittings 4 and 4 of the upper two terminals 2a and 2b is connected to the fixed contactor 6 of the other contact portion 12b via the switching means 8.
【０００９】切替手段８は接続切替片９と切替レバー１
０から成り、接続切替片９は上側２つの端子２ａ，２ｂ
の接続金具４の背部に跨るように上下に伸びた金属製帯
片から成り、略中央で折曲げられてへの字状に形成さ
れ、２つの接続金具４，４の後部位置に接点９ａ，９ａ
が設けられると共に対応する接続金具４，４の背部にも
接点４ａ，４ａが設けられている。そして、略中央の折
曲げ部９ｂは左右に突出した軸棒を有してハウジングに
軸着され、切替レバー１０と連結する上端部には椀状の
切替レバー受け９ｃが形成されている。また、軸着部近
傍の背部は上側接点部１２ｂの固定接触子６と可撓導線
１４により連結されている。The switching means 8 comprises a connection switching piece 9 and a switching lever 1.
0, and the connection switching piece 9 includes the upper two terminals 2a and 2b.
Of the metal fittings 4 extending vertically so as to straddle the back of the connecting fitting 4 of FIG. 9a
And the contacts 4a, 4a are also provided on the backs of the corresponding connection fittings 4, 4. The bent portion 9b at the substantially center has a shaft rod protruding left and right, and is pivotally attached to the housing, and a bowl-shaped switching lever receiver 9c is formed at an upper end portion connected to the switching lever 10. Further, the back portion near the shaft attachment portion is connected to the fixed contact 6 of the upper contact portion 12b by the flexible conductive wire 14.
【００１０】切替レバー１０は、選択スイッチである操
作部１０ｃがハウジング１の上面に配置され、略中央に
軸着部１０ｂを設けてハウジング１に軸着され、下部に
コイルばね１０ａを介して接続切替片９の切替レバー受
け９ｃ内に埋入される半球状の操作端部が形成され、切
替レバー１０の回動操作で続切替片９を回動切替操作可
能に形成されている。The changeover lever 10 has an operating portion 10c, which is a selection switch, disposed on the upper surface of the housing 1, is provided with a shaft attachment portion 10b at substantially the center thereof and is axially attached to the housing 1, and is connected to the lower portion via a coil spring 10a. A hemispherical operation end portion embedded in the switching lever receiver 9c of the switching piece 9 is formed, and the continuous switching piece 9 is formed to be rotationally switchable by rotating the switching lever 10.
【００１１】このような切替手段を設けることで、切替
レバーを前後に操作すれば接続切替片が接続金具の切替
動作をして、上側２つのうちの一方の端子が選択され
て、最下部の端子と共に負荷側端子に接続される。その
ため、例えば図２に示すように最上部の端子に分電盤側
導体バーのＮ極を接続して、中央及び下部の端子に２つ
の電圧極Ｌ１，Ｌ２を夫々接続すれば、上部の端子を選
択するので、１００Ｖの電圧を負荷側端子から送出で
き、中央の端子を選択すれば２００Ｖの電圧を負荷側端
子に送出できる。By providing such a switching means, when the switching lever is operated back and forth, the connection switching piece performs the switching operation of the connection fitting, and one of the upper two terminals is selected, and the lowermost one is selected. It is connected to the load side terminal together with the terminal. Therefore, for example, as shown in FIG. 2, by connecting the N pole of the distribution board side conductor bar to the uppermost terminal and connecting the two voltage poles L1 and L2 to the central and lower terminals respectively, the upper terminal Is selected, the voltage of 100 V can be sent from the load side terminal, and the voltage of 200 V can be sent to the load side terminal by selecting the center terminal.
【００１２】このように、１００Ｖと２００Ｖの切り替
えを、ハウジング内で電源側の端子を接続金具を移動す
ることなく切り替えるようにしたので、接続されている
導体バーを取り外すこと無く電圧の切換えが実施でき、
電圧切替の際に配線用遮断器を分電盤から取り外さなく
ても切替が可能であるし、ハウジング上面に選択スイッ
チを設けたので分電盤等に配線用遮断器が隣接して組付
けられた状態でも電圧切替を容易に実施できる。また、
電圧切替の際に導体バーを操作しないので、導体バーを
切り替え可能に構成する必要が無くなり、導体バーの構
成を簡略化できる。更に、端子を縦に配置することで、
接続する導体バーも縦に配置され、隣接する導体バー同
士の絶縁距離を確保し易くなり、導体バーの配置スペー
スを省スペース化できる。そのため、ハウジングの小型
化に加え分電盤の小型化にも寄与する。また、端子にね
じを使用しないので定期的な増し締め作業も必要ない。In this way, the switching between 100V and 200V is performed without moving the connection fittings on the power source side terminal in the housing, so that the voltage switching is performed without removing the conductor bar connected. You can
When switching the voltage, it is possible to switch without removing the circuit breaker for wiring from the distribution board.Because the selection switch is provided on the top surface of the housing, the circuit breaker for wiring is installed adjacent to the distribution board. The voltage can be easily switched even in the open state. Also,
Since the conductor bar is not operated when switching the voltage, it is not necessary to configure the conductor bar so that the conductor bar can be switched, and the structure of the conductor bar can be simplified. Furthermore, by arranging the terminals vertically,
The conductor bars to be connected are also arranged vertically, and it becomes easier to secure the insulation distance between adjacent conductor bars, and the space for arranging the conductor bars can be saved. Therefore, in addition to downsizing of the housing, it also contributes to downsizing of the distribution board. Moreover, since screws are not used for the terminals, regular retightening work is not necessary.
【００１３】図３，図４は本発明の配線用遮断器の他の
例を示し、図３は部分側面説明図、図４は部分斜視図で
ある。上記実施の形態との相違点を説明すると、電源側
端子２の接続金具及び接続切替片の構成が異なり、接続
金具１６の形状は上記図１と同一であるが、配置角度が
異なり水平配置した導体バーを挟持するように９０度回
転して設けられている。また、上側２つの端子２ａ，２
ｂの接続金具１６，１６の切替用接点１６ａ，１６ａ
は、互いに対向する位置、即ち上部の接続金具１６は下
面に、そして中央の接続金具１６は上面に接点が設けら
れている。そして、接続切替片１７は全体がＬ字状に形
成され、上側２つの接続金具１６，１６接点１６ａ，１
６ａの何れか一方と接続される接点１７ａ，１７ａは、
軸着部１７ｂを中心に折曲げられて前方に延設された舌
状片の上下両面に設けられている。3 and 4 show another example of the circuit breaker of the present invention, FIG. 3 is a partial side view and FIG. 4 is a partial perspective view. Explaining the difference from the above-described embodiment, the configuration of the connection fitting and the connection switching piece of the power supply side terminal 2 is different, the shape of the connection fitting 16 is the same as that of FIG. It is provided by rotating 90 degrees so as to sandwich the conductor bar. In addition, the upper two terminals 2a, 2
switching contacts 16a, 16a of the connection fittings 16, 16 of b
Contact points are provided at positions facing each other, that is, the upper connecting fitting 16 is provided on the lower surface and the central connecting fitting 16 is provided on the upper surface. The connection switching piece 17 is formed in an L-shape as a whole, and the upper two connection fittings 16, 16 contacts 16a, 1
The contacts 17a, 17a connected to either one of 6a are
It is provided on both upper and lower surfaces of a tongue-shaped piece that is bent around the shaft attachment portion 17b and extends forward.
【００１４】このように、上下から導体バーを挟持する
ように接続金具を設ければ、接続する導体バーは水平配
置できるので、電源側端子の３つの端子を近接して配置
することができ、配線用遮断器の高さを小さくすること
が可能となる。また、切替手段の切替接点を２つの接続
金具の間に配置することで、接続金具の背部に空間を設
けることができ、ハウジング内の部品収容空間を広げる
ことができる。As described above, if the connecting metal fittings are provided so as to sandwich the conductor bar from above and below, the conductor bar to be connected can be arranged horizontally, so that the three terminals on the power source side can be arranged close to each other. It is possible to reduce the height of the circuit breaker for wiring. Further, by arranging the switching contact of the switching means between the two connection fittings, a space can be provided at the back of the connection fitting, and the component housing space in the housing can be expanded.
【００１５】尚、上記実施の形態では、下側の端子を固
定して、上側２つの端子を選択するようにしているが、
上側の端子を固定して下側２つの端子を選択するように
形成しても良い。In the above embodiment, the lower terminal is fixed and the upper two terminals are selected.
Alternatively, the upper terminal may be fixed and the lower two terminals may be selected.
【００１６】[0016]
【発明の効果】以上詳述したように、請求項１の発明に
よれば、電源側３つの端子のうち、固定接触子に直接連
結された端子に単相３線式電路の一方の電圧線を接続し
て、切替手段を介する２つの端子に他の電圧線及び中性
線を夫々接続すれば、１００Ｖと２００Ｖの切り替えを
切替手段を操作して実施できる。そして、その切替はハ
ウジング内で電源側の端子を接続金具を移動する必要が
ないので、接続されている導体バーを取り外すこと無く
電圧の切換えが実施でき、電圧切替の際に配線用遮断器
を分電盤から取り外すさなくても切り替えが可能であ
る。また、導体バーを切り替え可能に構成する必要が無
くなるので、導体バーの構成を簡略化できる。As described above in detail, according to the invention of claim 1, one of the three terminals on the power source side, which is directly connected to the fixed contact, is connected to one of the voltage lines of the single-phase three-wire type electric circuit. And the other voltage line and the neutral line are respectively connected to the two terminals via the switching means, it is possible to switch between 100V and 200V by operating the switching means. And because the switching does not require moving the connection fittings on the power supply side terminal in the housing, the voltage can be switched without removing the connected conductor bar, and the circuit breaker for wiring can be used when switching the voltage. It is possible to switch without removing from the distribution board. Further, since it is not necessary to switch the conductor bar, the structure of the conductor bar can be simplified.
【００１７】請求項２の発明によれば、請求項１の効果
に加えて、ハウジング上面に設けた切替スイッチを操作
する簡易な操作で１００Ｖと２００Ｖの電圧切替がで
き、分電盤等に配線用遮断器が隣接して組付けられた状
態でも電圧切替えを容易に実施できる。According to the invention of claim 2, in addition to the effect of claim 1, the voltage can be switched between 100V and 200V by a simple operation of operating the changeover switch provided on the upper surface of the housing, and wiring to a distribution board or the like is possible. The voltage can be easily switched even when the circuit breaker is assembled adjacently.
【図１】本発明に係る配線用遮断器の実施形態の一例を
示し、（ａ）は部分側面説明図、（ｂ）はＡ部の平面説
明図である。1A and 1B show an example of an embodiment of a wiring breaker according to the present invention, FIG. 1A is a partial side view and FIG. 1B is a plan view of part A.
【図２】図１の配線用遮断器の部分斜視図で、電源側導
体バーを接続する様子を示している。FIG. 2 is a partial perspective view of the circuit breaker for wiring shown in FIG. 1, showing how the power source side conductor bar is connected.
【図３】本発明の配線用遮断器の他の例を示す部分側面
説明図である。FIG. 3 is a partial side view showing another example of the circuit breaker of the present invention.
【図４】図３の配線用遮断器の部分斜視図で、電源側導
体バーを接続する様子を示している。FIG. 4 is a partial perspective view of the circuit breaker for wiring shown in FIG. 3, showing how the power source side conductor bar is connected.
【図５】従来の配線用遮断器の斜視図である。FIG. 5 is a perspective view of a conventional circuit breaker for wiring.
【図６】従来の他の配線用遮断器の側面図である。FIG. 6 is a side view of another conventional circuit breaker for wiring.
１・・ハウジング、２・・電源側端子、４・・接続金
具、６・・固定接触子、７・・可動接触子、８・・切替
手段、９・・接続切替片、１０・・切替レバー、１０ｃ
・・選択スイッチとしての操作部、１１・・導体バー、
１６・・接続金具、１７・・接続切替片。1 ・ ・ Housing 2, ・ ・ Power supply side terminal, 4 ・ ・ Connecting metal fittings, 6 ・ ・ Fixed contact, 7 ・ ・ Movable contact, 8 ・ ・ Switching means, 9 ・ ・ Connection switching piece, 10 ・ ・ Switching lever 10c
..Operating parts as selection switches, 11..Conductor bars,
16 ... Connection fitting, 17 ... Connection switching piece.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002014699AJP2003217426A (en) | 2002-01-23 | 2002-01-23 | Wiring circuit-breaker |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002014699AJP2003217426A (en) | 2002-01-23 | 2002-01-23 | Wiring circuit-breaker |
| Publication Number | Publication Date |
|---|---|
| JP2003217426Atrue JP2003217426A (en) | 2003-07-31 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002014699APendingJP2003217426A (en) | 2002-01-23 | 2002-01-23 | Wiring circuit-breaker |
| Country | Link |
|---|---|
| JP (1) | JP2003217426A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007149585A (en)* | 2005-11-30 | 2007-06-14 | Kawamura Electric Inc | Circuit breaker |
| JP2007149586A (en)* | 2005-11-30 | 2007-06-14 | Kawamura Electric Inc | Circuit breaker |
| JP2008066130A (en)* | 2006-09-07 | 2008-03-21 | Kawamura Electric Inc | Circuit breaker |
| JP2008071699A (en)* | 2006-09-15 | 2008-03-27 | Kawamura Electric Inc | Circuit breaker |
| JP2008097833A (en)* | 2006-10-05 | 2008-04-24 | Kawamura Electric Inc | Circuit breaker |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007149585A (en)* | 2005-11-30 | 2007-06-14 | Kawamura Electric Inc | Circuit breaker |
| JP2007149586A (en)* | 2005-11-30 | 2007-06-14 | Kawamura Electric Inc | Circuit breaker |
| JP2008066130A (en)* | 2006-09-07 | 2008-03-21 | Kawamura Electric Inc | Circuit breaker |
| JP2008071699A (en)* | 2006-09-15 | 2008-03-27 | Kawamura Electric Inc | Circuit breaker |
| JP2008097833A (en)* | 2006-10-05 | 2008-04-24 | Kawamura Electric Inc | Circuit breaker |
| Publication | Publication Date | Title |
|---|---|---|
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