JP2003249158A - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JP2003249158A JP2003249158A JP2002046096A JP2002046096A JP2003249158A JP 2003249158 A JP2003249158 A JP 2003249158A JP 2002046096 A JP2002046096 A JP 2002046096A JP 2002046096 A JP2002046096 A JP 2002046096A JP 2003249158 A JP2003249158 A JP 2003249158A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- cover
- circuit breaker
- box
- convex
- 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]
【発明が属する技術分野】本発明は、回路遮断器に関す
る。具体的には、ボディ及びカバーにより器体を二分割
して部品を横嵌め式に配設する回路遮断器に関する。TECHNICAL FIELD The present invention relates to a circuit breaker. Specifically, the present invention relates to a circuit breaker in which a body is divided into two parts by a body and a cover and parts are laterally fitted to each other.
【０００２】[0002]
【従来の技術】従来例の回路遮断器として、例えば特開
２００１−２８２２５号公報に示されたものがある。こ
の回路遮断器は、器体を二分割して部品を横嵌め式に配
設したものである。器体は、ボディ及びカバーとから構
成され、その上側面には電源側端子部が形成され、その
下側面には負荷側端子部が形成されている。ボディ及び
カバーの上側面には、電源側の電線やブスバーなどの配
線部材が挿入される開口部となるコ字状の上側面角溝が
形成されている。また、ボディ及びカバーの下側面に
は、それぞれ負荷側の電線やブスバーなどの配線部材が
挿入される開口部となるコ字状の下側面角溝が形成され
ている。2. Description of the Related Art As a conventional circuit breaker, for example, there is one disclosed in Japanese Patent Application Laid-Open No. 2001-28225. In this circuit breaker, the body is divided into two and the parts are arranged side by side. The body is composed of a body and a cover, a power supply side terminal portion is formed on an upper side surface thereof, and a load side terminal portion is formed on a lower side surface thereof. On the upper side surface of the body and the cover, a U-shaped upper side surface angular groove which is an opening for inserting a wiring member such as an electric wire on the power source side or a bus bar is formed. In addition, a U-shaped lower side surface angular groove serving as an opening into which a wiring member such as a load side electric wire or a bus bar is inserted is formed on the lower side surface of the body and the cover.
【０００３】両端子部は、ボディ及びカバーの隔壁間に
挿通される端子板と、この端子板を囲む形で器体内に配
設される箱型端子枠と、この箱型端子枠に器体の上面か
ら螺合可能に配設されて端子板と箱型端子枠との間で配
線部材を接続する端子螺子及び箱型端子枠の枠内に納め
られる金属部材を備える。Both terminal portions include a terminal plate which is inserted between the partition wall of the body and the cover, a box-shaped terminal frame which is disposed in the body so as to surround the terminal plate, and the box-shaped terminal frame. And a metal member housed within the frame of the box-shaped terminal frame and a terminal screw arranged so as to be screwed from the upper surface of the box and connecting the wiring member between the terminal plate and the box-shaped terminal frame.
【０００４】図８はこのような構成をした端子部の一例
を示すものであって、上記特開２００１−２８２２５号
に示す回路遮断器における負荷側端子部の分解斜視図、
図９は当該負荷側端子部の正面図である。なお、図８に
おいては図面上方が器体の上面を示し、図面手前側に見
えるボディ２の側面が器体下側面を示している。FIG. 8 shows an example of a terminal portion having such a structure, and is an exploded perspective view of a load side terminal portion in the circuit breaker disclosed in Japanese Patent Laid-Open No. 2001-28225.
FIG. 9 is a front view of the load side terminal portion. In FIG. 8, the upper side of the drawing shows the upper surface of the body, and the side surface of the body 2 seen on the front side of the drawing shows the lower side surface of the body.
【０００５】箱型端子枠１０は、板金を折り曲げて断面
四角状の筒状に形成されてなり、上面に螺子孔１１を有
する。端子板２０は、器体の上面及び下面に伸びる板状
に形成された連結部２１と、この連結部２１の上面側か
ら下側面側に延出し箱型端子枠１０内に挿通される接続
部２２と、上面及び下面方向に伸びる板状に形成され下
端が基端となって連結部２１に固着されるバイメタル２
３と、接続部２２の下側面側で器体側面に沿って器体上
面側に曲折形成された立上片２４とを有する。立上片２
４は、左右側面側に延設された突出片２５を有し、下側
面正面から見て略Ｔ字形状に形成されている。この立上
片２４は、ボディ２及びカバー３の下側面角溝６，７の
上面側周囲に形成された凹所８ａ，８ｂから構成される
填め込み用凹所８に填められる。The box-type terminal frame 10 is formed by bending a sheet metal into a tubular shape having a square cross section, and has a screw hole 11 on the upper surface. The terminal plate 20 includes a plate-shaped connecting portion 21 extending to the upper and lower surfaces of the body, and a connecting portion that extends from the upper surface side to the lower side surface of the connecting portion 21 and is inserted into the box terminal frame 10. 22 and a bimetal 2 formed in a plate shape extending in the direction of the upper surface and the lower surface and fixed to the connecting portion 21 with the lower end serving as the base end.
3 and a rising piece 24 formed by bending on the lower surface side of the connecting portion 22 along the side surface of the body toward the upper surface of the body. Rising piece 2
4 has projecting pieces 25 extending to the left and right side surfaces, and is formed in a substantially T-shape when viewed from the front of the lower side surface. The rising piece 24 is fitted into the fitting recess 8 formed of the recesses 8a and 8b formed around the upper surface side of the lower surface corner grooves 6 and 7 of the body 2 and the cover 3.
【０００６】ボディ２内面及びカバー３内面における下
側面側には、箱型端子枠１０及びこれに螺合された端子
螺子１２用の収納室を設けるための隔壁４がそれぞれ形
成され、これらの隔壁４には、それぞれ端子板２０を填
め込むための溝４ａが形成されている。また、ボディ２
及びカバー３の上面には、端子螺子１２の頭部側に位置
するよう、ドライバの先端挿通用の丸孔となる半円弧状
の丸溝９ａ，９ｂがそれぞれ形成されている。Partition walls 4 for forming a storage chamber for the box-shaped terminal frame 10 and the terminal screw 12 screwed to the box-shaped terminal frame 10 are formed on the inner surface of the body 2 and the lower surface of the inner surface of the cover 3, respectively. Grooves 4a for fitting the terminal boards 20 are formed in each of the terminals 4. Also body 2
Also, on the upper surface of the cover 3, semicircular circular grooves 9a and 9b are formed so as to be located on the head side of the terminal screw 12 and serve as round holes for inserting the tip of the driver.
【０００７】箱型端子枠１０及び端子板２０は、ボディ
２及びカバー３の４隅に設けられた螺子挿通孔１５から
螺子を締め付けることにより、ボディ２及びカラー３並
びに２つの隔壁４に囲まれた収納室内に配設される。ま
た、箱型端子枠１０の枠内に挿通された端子板２０の立
上片２４は、填め込み用凹所８に填められる。これによ
り、箱型端子枠１０の枠孔が、ボディ２及びカバー３の
下側面角溝６，７により形成される開口部５に位置する
状態で、その開口部５に負荷側の配線部材を挿入し、端
子螺子１２をドライバなどで例えば時計回りに回せば、
箱型端子枠１０が上面側に移動するので、配線部材を接
続部２２の下面に圧着させることができる。なお、１３
は配線部材を接続部２２に確実に圧着させる金属部材で
ある。The box-shaped terminal frame 10 and the terminal plate 20 are surrounded by the body 2, the collar 3 and the two partitions 4 by tightening screws from the screw insertion holes 15 provided at the four corners of the body 2 and the cover 3. It is arranged in the storage room. Further, the rising piece 24 of the terminal plate 20 inserted in the box-shaped terminal frame 10 is fitted into the fitting recess 8. As a result, in the state where the frame hole of the box-type terminal frame 10 is located in the opening 5 formed by the lower surface corner grooves 6 and 7 of the body 2 and the cover 3, the load-side wiring member is placed in the opening 5. If you insert it and turn the terminal screw 12 with a screwdriver, for example, clockwise,
Since the box-type terminal frame 10 moves to the upper surface side, the wiring member can be crimped to the lower surface of the connecting portion 22. In addition, 13
Is a metal member for securely crimping the wiring member to the connection portion 22.
【０００８】また、電源側端子部の構造も負荷側端子部
とほぼ同様な構造であり、図示しないが、端子板が接続
部の下側面側で下面側に曲折形成され固定接点が固着さ
れた端子中央部と該端子中央部の下面側から下面下側面
側に延出したアーク走行板部を有する点で異なっている
のみである。Further, the structure of the power source side terminal portion is also substantially the same as that of the load side terminal portion, and although not shown, the terminal plate is bent and formed on the lower surface side of the connection portion on the lower side surface side and the fixed contact is fixed. The only difference is that it has a terminal central portion and an arc traveling plate portion extending from the lower surface side of the terminal central portion to the lower surface side surface of the lower surface.
【０００９】[0009]
【発明が解決しようとする課題】このような回路遮断器
においては、４つの螺子挿通孔１５から螺子を挿通・締
結することによりボディ２、カバー３間を結合している
が、箱型端子枠１０とは離れた位置で結合しているた
め、箱型端子枠１０の上面から端子螺子１２を締めつけ
て配線部材を接続すると、螺子１２を強く締め付けるこ
とにより箱型端子枠１０が回転しようとしてボディ２、
カバー３間が開き、両者の間に隙間を生じる場合があ
る。この結果、当該隙間からゴミやホコリが入り易くな
り、入り込んだホコリなどや端子板２０のがたつきによ
る接触不良を生じるおそれがあった。また、場合によっ
ては、金属部材１３や端子板２０が外れてしまうことも
あった。In such a circuit breaker, the body 2 and the cover 3 are connected to each other by inserting and fastening the screws from the four screw insertion holes 15. Since it is coupled to the box-shaped terminal frame 10 at a position distant from it, when the terminal screw 12 is tightened from the upper surface of the box-shaped terminal frame 10 to connect the wiring member, the box-shaped terminal frame 10 tries to rotate by tightening the screw 12 strongly, and 2,
The covers 3 may open, and a gap may be created between them. As a result, dust or dust is likely to enter through the gap, and there is a risk that contact failure may occur due to dust that has entered or the rattle of the terminal board 20. Further, in some cases, the metal member 13 and the terminal plate 20 may come off.
【００１０】本発明は上記従来技術の問題点に鑑みてな
されたものであって、端子螺子の強い締め付けによって
も、ボディとカバー間に隙間を生じず、接触不良や端子
部品が外れるおそれの少ない回路遮断器を提供すること
にある。The present invention has been made in view of the above-mentioned problems of the prior art. Even if the terminal screws are strongly tightened, no gap is created between the body and the cover, and there is little risk of contact failure or disconnection of terminal parts. It is to provide a circuit breaker.
【００１１】[0011]
【課題を解決するための手段】本発明の回路遮断器は、
ボディ及びカバーからなる器体内部に横嵌め式に配設さ
れた箱型端子枠と、当該端子枠に挿通された端子板と、
前記箱型端子枠の上面から螺合可能に配設されて前記箱
型端子枠と端子板との間で配線部材を接続する端子螺子
とを備えた回路遮断器において、ボディ及びカバー間が
離れる方向に力が加わった際、引っ掛かるように機能す
る凹凸係合部が、ボディ及びカバーと端子板との間に備
えられたことを特徴としている。The circuit breaker of the present invention comprises:
A box-shaped terminal frame arranged laterally inside the body consisting of a body and a cover, and a terminal plate inserted into the terminal frame,
In the circuit breaker, which is arranged so as to be screwed from the upper surface of the box-shaped terminal frame and has a terminal screw for connecting a wiring member between the box-shaped terminal frame and the terminal plate, the body and the cover are separated from each other. It is characterized in that a concave-convex engaging portion that functions to be caught when a force is applied in the direction is provided between the body and the cover and the terminal plate.
【００１２】例えば、前記箱型端子枠を挿通する接続部
と当該接続部から前記器体側面に沿って備えられる立上
片と当該立上片の両端に突出した突出片とを有する端子
板を用いることにし、前記凹凸係合部を、前記器体側面
に沿って前記突出片に形成された凸部と、前記器体側面
に形成され前記凸部を填める凹部とから構成できる。For example, a terminal plate having a connecting portion for inserting the box-shaped terminal frame, a rising piece provided along the side surface of the body from the connecting portion, and projecting pieces protruding at both ends of the rising piece is provided. By using this, the concave-convex engaging portion can be configured by a convex portion formed on the projecting piece along the side surface of the container body and a concave portion formed on the side surface of the container body to fit the convex portion.
【００１３】あるいは、前記突出片の基端部近郊から垂
下し、前記突出片の端部に向けて傾斜するように前記凸
部を形成することもできる。Alternatively, the protrusion may be formed so as to hang down from the vicinity of the base end of the projecting piece and be inclined toward the end of the projecting piece.
【００１４】[0014]
【発明の実施の形態】図１は本発明の第１の実施形態に
係る回路遮断器における負荷側端子部の分解斜視図、図
２は当該回路遮断器における凹凸係合部を示す分解斜視
図、図３は当該凹凸係合部の正面図である。1 is an exploded perspective view of a load side terminal portion in a circuit breaker according to a first embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a concave and convex engaging portion in the circuit breaker. 3 is a front view of the concave-convex engaging portion.
【００１５】本発明の回路遮断器は、ボディ２及びカバ
ー３からなる器体１内部に横嵌め式に配設された箱型端
子枠１０と、当該端子枠に挿通された端子板２０と、前
記箱型端子枠１０の上面から螺合可能に配設されて前記
箱型端子枠１０と端子板２０との間で配線部材を接続す
る端子螺子１２とを備えており、この回路遮断器にはボ
ディ２及びカバー３間が離れる方向に力が加わったとき
に、引っ掛かるように機能する凹凸係合部が、ボディ２
及びカバー３と端子板２０との間に備えられている点
で、従来の回路遮断器と異なるものである。従って、こ
こでは、凹凸係合部についてのみ説明することとし、そ
の他の構成については従来例と同様であるためその説明
は省略する。The circuit breaker of the present invention comprises a box-shaped terminal frame 10 which is laterally fitted inside a body 1 composed of a body 2 and a cover 3, and a terminal plate 20 which is inserted into the terminal frame. The box-shaped terminal frame 10 is provided with a terminal screw 12 which is arranged so as to be screwed from the upper surface and which connects a wiring member between the box-shaped terminal frame 10 and the terminal plate 20. Has a concave-convex engaging portion that functions to be caught when a force is applied in a direction in which the body 2 and the cover 3 are separated from each other.
Also, it is different from the conventional circuit breaker in that it is provided between the cover 3 and the terminal board 20. Therefore, here, only the concavo-convex engaging portion will be described, and the other configurations are the same as those in the conventional example, and the description thereof will be omitted.
【００１６】凹凸係合部は、例えば、器体１側面に沿っ
て端子板２０の突出片２５に形成された凸部２５ａと、
器体１側面に形成され前記凸部２５ａを填めるための凹
部８ｃとから構成される。この第１の実施形態において
は、前記凸部２５ａは立上片２４から器体１左右側面側
に延設された突出片２５の左右両端部に形成されてお
り、前記突出片２５の端部から器体１下面方向に垂下
し、前記突出片２５の基端部に向けて傾斜する逆三角形
状に形成されている。一方、凹部８ｃは、前記凸部２５
ａを填めることができるよう、下側面角溝６，７の上面
側周囲に形成された凹所８ａ，８ｂの左右側面側から垂
下し、ボディ２及びカバー３の内面側に傾斜する逆三角
形状に形成されている。こうして突出片２５に形成され
た凸部２５ａは、図３に示す如く、回路遮断器の組立時
に上記凹部８ｃに填められ、配線部材を挿入するための
開口部５が器体１に形成される。The concave-convex engaging portion is, for example, a convex portion 25a formed on the protruding piece 25 of the terminal board 20 along the side surface of the body 1,
It is composed of a concave portion 8c formed on the side surface of the container body 1 for filling the convex portion 25a. In the first embodiment, the convex portions 25a are formed on both left and right ends of the protruding piece 25 extending from the rising piece 24 to the left and right side surfaces of the body 1, and the end portion of the protruding piece 25 is formed. Is formed in an inverted triangular shape that hangs toward the lower surface of the body 1 and inclines toward the base end portion of the protruding piece 25. On the other hand, the concave portion 8c is the convex portion 25.
An inverted triangle that hangs down from the left and right side surfaces of the recesses 8a and 8b formed around the upper surface sides of the lower side surface angular grooves 6 and 7 so as to be able to fit in a and is inclined toward the inner surface side of the body 2 and the cover 3. It is formed in a shape. As shown in FIG. 3, the convex portion 25a formed on the projecting piece 25 is fitted into the concave portion 8c when the circuit breaker is assembled, and the opening 5 for inserting the wiring member is formed in the body 1. .
【００１７】この結果、端子螺子１２の締め付けによっ
てボディ２とカバー３間が開かれようとすると、ボディ
２及びカバー３と端子板２０の間で形成された凹凸係合
部に引っ掛かろうとして、両者間の隙間形成が防止され
る。また、この凹凸係合部では、突出片２５の左右両端
部から垂下して凸部２５ａが形成されているので、凸部
２５ａの垂下方向長さを十分に長く形成でき、係合域を
大きくすることができる。この結果、ボディ２とカバー
３間がより開きにくい状態とされる。As a result, when the body 2 and the cover 3 are opened by tightening the terminal screw 12, the concave and convex engaging portions formed between the body 2 and the cover 3 and the terminal plate 20 are about to be caught, Formation of a gap between them is prevented. Further, in this concave-convex engaging portion, since the convex portions 25a are formed so as to hang down from the left and right ends of the projecting piece 25, the length of the convex portions 25a in the hanging direction can be formed sufficiently long, and the engagement area can be increased. can do. As a result, the body 2 and the cover 3 are more difficult to open.
【００１８】次に、本発明の第２の実施形態について説
明する。図４は第２の実施形態に係る回路遮断器におけ
る凹凸係合部を示す分解斜視図、図５は当該凹凸係合部
の正面図である。この凹凸係合部における凸部２５ａ
は、突出片２５の基端部近郊から器体１下面方向に垂下
し、前記突出片２５の左右端部に向けて傾斜する逆三角
形状に形成されている。一方、凹部８ｃは、凹所８ａ，
８ｂの内面側下端から器体１下面方向に垂下し、凹所８
ａ，８の左右側面側に傾斜する逆三角形状に形成されて
いる。こうして図５に示す如く、突出片２５に形成され
た凸部２５ａは、回路遮断器の組立時にボディ２及びカ
バー３の下側面に形成された凹部８ｃに填められる。Next, a second embodiment of the present invention will be described. FIG. 4 is an exploded perspective view showing an uneven engaging portion in the circuit breaker according to the second embodiment, and FIG. 5 is a front view of the uneven engaging portion. The convex portion 25a in the concave and convex engaging portion
Is formed in the shape of an inverted triangle that hangs from the vicinity of the base end portion of the protruding piece 25 toward the lower surface of the body 1 and inclines toward the left and right end portions of the protruding piece 25. On the other hand, the recess 8c includes the recess 8a,
8b hangs from the lower end on the inner surface side toward the lower surface of the body 1 to form a recess 8
It is formed in an inverted triangular shape that is inclined to the left and right side surfaces of a and 8. Thus, as shown in FIG. 5, the convex portion 25a formed on the protruding piece 25 is fitted into the concave portion 8c formed on the lower surface of the body 2 and the cover 3 when the circuit breaker is assembled.
【００１９】このような形状に凹凸係合部を構成して
も、ボディ２とカバー３間の隙間形成を防止できる。こ
の場合には、凸部２５ａは、突出片２５の基端部側で長
くなり突出片２５の左右両端側で短くなった逆三角形状
となっているため、凸部２５を凹部８ｃに係合させやす
く、第１の実施形態に比べて器体１の組立が容易に行え
る。また、ボディ２及びカバー３間が開こうとした場合
に凸部２５ａが凹部８ｃに係合する領域が、第１の実施
形態に比べて大きくなるため、より一層両者間が開きに
くいものとなる。Even if the concave-convex engaging portion is formed in such a shape, formation of a gap between the body 2 and the cover 3 can be prevented. In this case, since the convex portion 25a has an inverted triangular shape that is longer on the base end side of the projecting piece 25 and shorter on the left and right end sides of the projecting piece 25, the convex section 25a is engaged with the concave section 8c. This facilitates the assembly of the container body 1 as compared with the first embodiment. Further, the area in which the convex portion 25a engages with the concave portion 8c when the gap between the body 2 and the cover 3 is about to be opened is larger than that in the first embodiment, so that the gap between the two is more difficult to open. .
【００２０】このように、本発明の回路遮断器において
は、ボディ２とカバー３間が離れる方向に力が加わった
時に引っ掛かるように機能する凹凸係合部を備えている
ので、ボディ２とカバー３間に隙間が出来にくくなり、
ホコリ等の侵入による接触不良や部品外れを確実に防止
できる。As described above, in the circuit breaker of the present invention, since the body 2 and the cover 3 are provided with the concave-convex engaging portion that functions to be caught when a force is applied in a direction in which the body 2 and the cover 3 are separated from each other, the body 2 and the cover 3 are covered. It becomes difficult to create a gap between the three,
It is possible to reliably prevent contact failure and component detachment due to intrusion of dust and the like.
【００２１】図６は、第３の実施形態である凹凸係合部
の正面図である。この凹凸係合部は、突出片２５に器体
１上面方向に延出した凸部２５ａと、器体１下側面に形
成された凹部８ｃとから構成されたものである。この凸
部２５ａは、突出片２５の左右両端部から突出片２５の
中央上方に傾斜し、突出片２５の中央領域に向けて垂下
する三角形状に形成されたものである。このように、凸
部２５ａ及び凹部８ｃを器体１上面側に設けて凹凸係合
部を構成することもできる。また、図示はしないが、突
出片２５の左右両端部から上昇し、突出片２５の中央方
向に傾斜する三角形状となる凸部２５ａを形成すること
もできる。FIG. 6 is a front view of the concave-convex engaging portion according to the third embodiment. The concave-convex engaging portion is composed of a protruding portion 25a extending toward the upper surface of the body 1 on the protruding piece 25 and a concave portion 8c formed on the lower side surface of the body 1. The convex portion 25 a is formed in a triangular shape that is inclined from the left and right ends of the protruding piece 25 toward the upper center of the protruding piece 25 and hangs toward the central region of the protruding piece 25. In this way, the convex-concave portion 25a and the concave portion 8c can be provided on the upper surface side of the body 1 to form the concave-convex engaging portion. Further, although not shown, it is also possible to form a triangular convex portion 25a that rises from both left and right ends of the protruding piece 25 and inclines toward the center of the protruding piece 25.
【００２２】次に第４の実施形態である凹凸係合部の正
面図を図７に示す。この凹凸係合部は、器体１下側面に
形成した凸部８ｄと、突出片２５に形成され前記凸部８
ｄを填める凹部２５ｂとから構成されたものである。凸
部８ｄは、ボディ２及びカバー３の凹所８ａ，８ｂの下
面側中央付近から器体１上面側に上昇し、ボディ２及び
カバー３内面下方側に傾斜する三角形状に形成され、凹
部２５ｂは当該凸部８ｄを填められるよう、突出片２５
の下面側中央付近から器体１上面側に上昇し、突出片２
５の基端部に傾斜する三角形状に形成されている。この
ような凹凸係合部においても、ボディ２及びカバー３間
が開かれる方向に力が加わった場合には引っ掛かろうと
して、両者間が開くのを防止できる。また、ボディ２及
びカバー３間が離れる方向に力が加わった際、引っ掛か
るのであれば、突出片２５の基端部から器体１上面側に
上昇し、突出片２５の下面側中央に傾斜する三角形状に
凹部２５ｂを形成したり、突出片２５の器体１上面側に
凹部２５ｂを形成することもできる。Next, FIG. 7 shows a front view of the concave-convex engaging portion according to the fourth embodiment. The concave-convex engaging portion is formed on the lower surface of the body 1 and the convex portion 8d formed on the projecting piece 25.
and a concave portion 25b for accommodating d. The convex portion 8d is formed in a triangular shape that rises from near the center of the lower surfaces of the recesses 8a and 8b of the body 2 and the cover 3 to the upper surface side of the body 1 and inclines toward the lower inner surface of the body 2 and the cover 3, and the concave portion 25b. Is a protruding piece 25 so that the protrusion 8d can be fitted.
From the center of the lower surface of the body to the upper surface of the body 1
5 is formed in a triangular shape that is inclined at the base end. Even in such a concavo-convex engaging portion, when a force is applied in a direction in which the body 2 and the cover 3 are opened, the body 2 and the cover 3 tend to be caught and can be prevented from opening. Further, when a force is applied in a direction in which the body 2 and the cover 3 are separated from each other, if they are caught, they rise from the base end portion of the protruding piece 25 to the upper surface side of the body 1 and incline toward the center of the lower surface side of the protruding piece 25. The recess 25b may be formed in a triangular shape, or the recess 25b may be formed on the upper surface side of the container body 1 of the protruding piece 25.
【００２３】このように、ボディ２とカバー３との間が
離れる方向に力が加わった際、引っ掛かるものであれ
ば、凹凸係合部の形態は問われるものでない。このよう
な凹凸係合部を備えることにより、強く端子螺子１２を
締め付けても、ボディ２とカバー３との間が開かれず、
ホコリ等による接触不良、金属部材１３や立上片２４の
外れによる接触不良を防止できる。As described above, the form of the concave-convex engaging portion is not limited as long as it is caught when a force is applied in a direction in which the body 2 and the cover 3 are separated from each other. By providing such a concavo-convex engaging portion, the body 2 and the cover 3 are not opened even if the terminal screw 12 is strongly tightened,
It is possible to prevent contact failure due to dust or the like and contact failure due to detachment of the metal member 13 or the rising piece 24.
【００２４】また、上記各実施形態では、特開２００１
−２８２２５号に示された負荷側端子部を例にして説明
したが、電源側端子部にも適用できるものであり、端子
部の構造として上記各実施形態と同様なものであれば、
その他の構造については特に限定されるものではない。Further, in each of the above embodiments, Japanese Patent Laid-Open No. 2001-2001
Although the load side terminal portion shown in No. 28225 has been described as an example, it is also applicable to the power source side terminal portion, and if the structure of the terminal portion is similar to the above embodiments,
Other structures are not particularly limited.
【００２５】[0025]
【発明の効果】本発明の請求項１に係る回路遮断器によ
ると、ボディ及びカバーからなる器体内部に横嵌め式に
配設された箱型端子枠と、当該端子枠に挿通された端子
板と、前記箱型端子枠の上面から螺合可能に配設されて
前記箱型端子枠と端子板との間で配線部材を接続する端
子螺子とを備えた回路遮断器において、ボディ及びカバ
ー間が離れる方向に力が加わった際、引っ掛かるように
機能する凹凸係合部が、ボディ及びカバーと端子板との
間に備えられているので、端子螺子を強く締め付けても
ボディとカバーとの間が開かず、ホコリ等の侵入や端子
板等の外れを防止できる。これにより、接触不良を起こ
す機会が少なくなり、製品の信頼性をより一層図ること
ができる。According to the circuit breaker according to the first aspect of the present invention, a box-shaped terminal frame laterally fitted inside the body including a body and a cover, and a terminal inserted into the terminal frame. A circuit breaker comprising a plate and a terminal screw which is arranged so as to be screwed from the upper surface of the box-shaped terminal frame and connects a wiring member between the box-shaped terminal frame and the terminal plate, in which a body and a cover are provided. Since the concave-convex engaging portion that functions to be caught when a force is applied in the direction in which the space is separated is provided between the body and the cover and the terminal plate, even if the terminal screw is strongly tightened, The space is not opened, and it is possible to prevent intrusion of dust and the like, and detachment of the terminal board and the like. As a result, the chance of contact failure is reduced, and the reliability of the product can be further improved.
【００２６】本発明の請求項２に係る回路遮断器による
と、請求項１記載の場合に加えて、前記端子板は、前記
箱型端子枠を挿通する接続部と当該接続部から前記器体
側面に沿って備えられる立上片と当該立上片の両端に突
出した突出片とを有し、前記凹凸係合部は、前記器体側
面に沿って前記突出片に形成された凸部と、前記器体側
面に形成され前記凸部を填める凹部とからなるので、両
方の突出片間のボディ及びカバー間の間隔が大きく取れ
て、ボディとカバーとの間がさらに開きにくくなり、隙
間がより一層確実に生じにくくなり、その結果、ボディ
及びカバーが壊れにくいものとなる。According to a second aspect of the circuit breaker of the present invention, in addition to the case of the first aspect, the terminal plate includes a connecting portion through which the box-shaped terminal frame is inserted and the connecting portion to the body. There is a rising piece provided along the side surface and a projecting piece protruding at both ends of the rising piece, and the concave-convex engaging portion is a convex portion formed on the protruding piece along the side surface of the body. Since it is composed of a concave portion formed on the side surface of the body to fit the convex portion, a large gap is provided between the body and the cover between both projecting pieces, which makes it more difficult to open the gap between the body and the cover. Is less likely to occur, and as a result, the body and cover are less likely to break.
【００２７】本発明の請求項３に係る回路遮断器による
と、請求項２記載の場合に加えて、前記凸部は、前記突
出片の基端部近郊から垂下し、前記突出片の端部に向け
て傾斜するように形成されたので、端子板を器体に横嵌
め式に填めるときに凸部は凹部に確実に填めやすくな
り、しかも、抜けにくくすることができるものとなる。According to the circuit breaker of claim 3 of the present invention, in addition to the case of claim 2, the convex portion hangs down from the vicinity of the base end portion of the projecting piece, and the end portion of the projecting piece. Since the terminal plate is formed so as to be inclined toward, the convex portion can be easily and surely fitted into the concave portion when the terminal plate is laterally fitted into the body, and can be prevented from coming off easily.
【図１】第１の実施形態である回路遮断器における負荷
側端子部の分解斜視図である。FIG. 1 is an exploded perspective view of a load-side terminal portion in a circuit breaker according to a first embodiment.
【図２】図１に示す回路遮断器における凹凸係合部の分
解斜視図である。FIG. 2 is an exploded perspective view of a concave and convex engaging portion in the circuit breaker shown in FIG.
【図３】図１に示す負荷側端子部の正面図である。FIG. 3 is a front view of a load-side terminal portion shown in FIG.
【図４】第２の実施形態である回路遮断器における凹凸
係合部の分解斜視図である。FIG. 4 is an exploded perspective view of a concave-convex engagement portion in the circuit breaker according to the second embodiment.
【図５】図４に示す凹凸係合部の正面図である。5 is a front view of the uneven engaging portion shown in FIG.
【図６】第３の実施形態である回路遮断器における凹凸
係合部の正面図である。FIG. 6 is a front view of a concave-convex engaging portion in a circuit breaker according to a third embodiment.
【図７】第４の実施形態である回路遮断器における凹凸
係合部の正面図である。FIG. 7 is a front view of a concave-convex engaging portion in a circuit breaker according to a fourth embodiment.
【図８】従来例の回路遮断器における負荷側端子部の分
解斜視図である。FIG. 8 is an exploded perspective view of a load-side terminal portion in a conventional circuit breaker.
【図９】図８に示す負荷側端子部の正面図である。9 is a front view of the load side terminal portion shown in FIG. 8. FIG.
１ 器体 ２ ボディ ３ カバー ８ｃ 凹凸係合部である凹部 ８ｄ 凹凸係合部である凸部 １０ 箱型端子枠 ２０ 端子板 ２４ 立上片 ２５ 突出片 ２５ａ 凹凸係合部である凸部 ２５ｂ 凹凸係合部である凹部 1 body 2 body 3 cover 8c Recesses that are concave and convex engaging portions 8d Convex portion which is the concave and convex engaging portion 10 box type terminal frame 20 terminal board 24 rising pieces 25 protruding piece 25a Convex portion which is an uneven engaging portion 25b Recesses that are concave and convex engaging portions
Claims (3)
嵌め式に配設された箱型端子枠と、当該端子枠に挿通さ
れた端子板と、前記箱型端子枠の上面から螺合可能に配
設されて前記箱型端子枠と端子板との間で配線部材を接
続する端子螺子とを備えた回路遮断器において、 ボディ及びカバー間が離れる方向に力が加わった際、引
っ掛かるように機能する凹凸係合部が、ボディ及びカバ
ーと端子板との間に備えられたことを特徴とする回路遮
断器。1. A box-shaped terminal frame laterally fitted inside a body composed of a body and a cover, a terminal plate inserted in the terminal frame, and screwable from the upper surface of the box-shaped terminal frame. In a circuit breaker equipped with a terminal screw for connecting a wiring member between the box-shaped terminal frame and the terminal plate, the circuit breaker is designed to be caught when a force is applied in a direction separating the body and the cover. A circuit breaker, wherein a functioning concavo-convex engaging portion is provided between the body and the cover and the terminal plate.
る接続部と当該接続部から前記器体側面に沿って備えら
れる立上片と当該立上片の両端に突出した突出片とを有
し、前記凹凸係合部は、前記器体側面に沿って前記突出
片に形成された凸部と、前記器体側面に形成され前記凸
部を填める凹部とからなることを特徴とする請求項１記
載の回路遮断器。2. The terminal plate includes a connecting portion that passes through the box-shaped terminal frame, a rising piece that is provided along the side surface of the body from the connecting portion, and projecting pieces that project at both ends of the rising piece. And the concave-convex engaging portion comprises a convex portion formed on the projecting piece along the side surface of the container body, and a concave portion formed on the side surface of the container body to fit the convex portion. The circuit breaker according to claim 1.
ら垂下し、前記突出片の端部に向けて傾斜するように形
成されたことを特徴とする請求項２記載の回路遮断器。3. The circuit breaker according to claim 2, wherein the convex portion is formed so as to hang down from the vicinity of the base end portion of the projecting piece and be inclined toward the end portion of the projecting piece. vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002046096A JP3800105B2 (en) | 2002-02-22 | 2002-02-22 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002046096A JP3800105B2 (en) | 2002-02-22 | 2002-02-22 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003249158A true JP2003249158A (en) | 2003-09-05 |
| JP3800105B2 JP3800105B2 (en) | 2006-07-26 |
Family
ID=28659638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002046096A Expired - Fee Related JP3800105B2 (en) | 2002-02-22 | 2002-02-22 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3800105B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009212064A (en) * | 2008-03-06 | 2009-09-17 | Panasonic Electric Works Denro Co Ltd | Circuit breaker |
| CN101978459A (en) * | 2008-03-06 | 2011-02-16 | 松下电工电路***株式会社 | Circuit breaker |
| CN102025041A (en) * | 2009-09-23 | 2011-04-20 | 西门子公司 | Connecting terminal, switching device using same and manufacturing method of connecting terminal |
| JP5629326B2 (en) * | 2010-09-22 | 2014-11-19 | パナソニック株式会社 | Switchgear |
-
2002
- 2002-02-22 JP JP2002046096A patent/JP3800105B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009212064A (en) * | 2008-03-06 | 2009-09-17 | Panasonic Electric Works Denro Co Ltd | Circuit breaker |
| CN101978459A (en) * | 2008-03-06 | 2011-02-16 | 松下电工电路***株式会社 | Circuit breaker |
| CN102025041A (en) * | 2009-09-23 | 2011-04-20 | 西门子公司 | Connecting terminal, switching device using same and manufacturing method of connecting terminal |
| JP5629326B2 (en) * | 2010-09-22 | 2014-11-19 | パナソニック株式会社 | Switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3800105B2 (en) | 2006-07-26 |
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