JP2000222996A - Terminal structure of switch - Google Patents
Terminal structure of switchInfo
- Publication number
- JP2000222996A JP2000222996A JP11021092A JP2109299A JP2000222996A JP 2000222996 A JP2000222996 A JP 2000222996A JP 11021092 A JP11021092 A JP 11021092A JP 2109299 A JP2109299 A JP 2109299A JP 2000222996 A JP2000222996 A JP 2000222996A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- case
- conductor
- fitting
- shaped
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、配線用回路しゃ断
器などを実施対象とした開閉器の端子構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch terminal structure for a circuit breaker for wiring or the like.
【０００２】[0002]
【従来の技術】まず、頭記した回路しゃ断器を対象に、
従来における開閉器（３相用）の組立構造を図３に示
す。図において、１は上部カバー１ａ，中間ケース１
ｂ，および下部ケース１ｃからなる分割構造のケース
（樹脂ケース）、２はケース１のしゃ断部に組み込んだ
固定接触子、３は橋絡式の可動接触子、４は消弧板、５
は開閉機構、６は操作ハンドル、７は過電流引外し装
置、８はケース１の前後端に設けた電源側，負荷側の端
子部であり、該端子部８は各相ごとに次記の構成になる
端子部品を組合せて構成されている。2. Description of the Related Art First, for the circuit breaker described above,
FIG. 3 shows a conventional switch (for three-phase) assembly structure. In the drawing, reference numeral 1 denotes an upper cover 1a and an intermediate case 1.
b, and a case (resin case) having a divided structure including the lower case 1c, 2 is a fixed contact incorporated in the cut-off portion of the case 1, 3 is a bridge-type movable contact, 4 is an arc extinguishing plate, 5
Is an opening / closing mechanism, 6 is an operation handle, 7 is an overcurrent trip device, 8 is a power supply side and a load side terminal provided at the front and rear ends of the case 1, and the terminal 8 is provided for each phase as follows. It is configured by combining the terminal components.
【０００３】すなわち、負荷側の端子部８は、ケース内
のしゃ断部に組み込んだ固定接触子２から端子部８に引
出した端子導体２ａと、該端子導体２ａの先端に遊嵌し
たボックス形の端子金具９と、該端子金具９の頂部に上
方から螺合した端子ねじ１０と、コ字形の電線押え金具
１１を組み込んで端子を構成しており、外部からケース
の端子部８に差し込んだ電線（図示せず）を端子導体２
ａとの接続位置でねじ締結するようにしている。これに
対して、電源側の端子部は端子導体が過電流引外し装置
７から引き出されており、この端子導体に対して前記と
同様な端子金具を組合せて端子部を構成している。[0003] That is, the terminal portion 8 on the load side has a terminal conductor 2a drawn out from the fixed contact 2 incorporated in the cut-off portion in the case to the terminal portion 8, and a box-shaped terminal loosely fitted to the tip of the terminal conductor 2a. A terminal is formed by incorporating a terminal fitting 9, a terminal screw 10 screwed into the top of the terminal fitting 9 from above, and a U-shaped wire holding metal fitting 11, and an electric wire inserted into the terminal portion 8 of the case from the outside. (Not shown) to terminal conductor 2
The screw is fastened at the connection position with a. On the other hand, in the terminal portion on the power supply side, the terminal conductor is drawn out from the overcurrent trip device 7, and the terminal portion is formed by combining the terminal conductor with the same terminal fitting as described above.
【０００４】ここで、前記した負荷側端子に対応する固
定接触子２は、図４に示すように全体形状がヘアピン状
になり、その一端に端子導体２ａが一体に形成され、さ
らに左右側縁には案内突起２ｂが形成されている。そし
て、固定接触子２をケース１に組み込むには、中間ケー
ス１ｂに対し図示のように下方から固定接触子２を差し
込み、ケース側に形成した案内溝１ｂ-1に前記の突起２
ｂを圧入して組立位置に固定するようにしている。ま
た、固定接触子２には端子導体２ａの押さえ片を兼ねた
Ｌ字形の絶縁隔壁部材（樹脂モールド品）２ｃをあらか
じめ取付けておき、固定接触子２をケースに組み付けた
状態でしゃ断部と端子部８の底面との間を仕切った上
で、端子導体２ａを端子部８に引き出すようにしてい
る。なお、１ｂ-2は端子部８の背面壁である。Here, the fixed contact 2 corresponding to the above-mentioned load-side terminal has a hairpin-like overall shape as shown in FIG. 4, and a terminal conductor 2a is integrally formed at one end thereof. Is formed with a guide projection 2b. In order to incorporate the fixed contact 2 into the case 1, the fixed contact 2 is inserted into the intermediate case 1b from below as shown in the figure, and the projection 2 is inserted into the guide groove 1b-1 formed on the case side.
b is press-fitted and fixed at the assembly position. In addition, an L-shaped insulating partition member (resin molded product) 2c also serving as a pressing piece of the terminal conductor 2a is previously attached to the fixed contact 2 and the cut-off portion and the terminal are fixed to the fixed contact 2 in a case. The terminal conductor 2a is drawn out to the terminal portion 8 after partitioning between the terminal portion 8 and the bottom surface. 1b-2 is a back wall of the terminal portion 8.
【０００５】一方、ボックス形の端子金具９は、図５
(a) 〜(c) で示すように短冊状の銅板を角筒状に板金加
工したものであり、その上部で板の両端を重ね折りした
上でその重ね合わせ面に端子ねじ１０を螺合するねじ穴
９ａが形成されている。また、電線押え金具１１はコ字
形になり、その上辺１１ａに端子ねじ１０を嵌挿し、下
辺１１ｂを前記端子金具９の内方に挿入して組付けられ
ている。On the other hand, a box-shaped terminal fitting 9 is shown in FIG.
As shown in (a) to (c), a strip-shaped copper plate is formed by sheet metal processing into a rectangular tube shape, and both ends of the plate are overlapped and folded at an upper portion thereof, and a terminal screw 10 is screwed into the overlapping surface. Screw hole 9a is formed. The electric wire holding member 11 has a U-shape. The terminal screw 10 is fitted into the upper side 11a, and the lower side 11b is inserted inside the terminal member 9 and assembled.
【０００６】なお、前記した端子金具は電源側，および
負荷側端子で同様な構成である。かかる構成で、外部か
ら電線を端子金具９の中に差し込み、この状態で端子ね
じ１０を締めつけと、電線は端子導体２ａとの接続位置
で電線押え金具１１との間，ないしは端子金具９との間
に挟まれて締結される。The terminal fittings described above have the same configuration on the power supply side and the load side terminal. With such a configuration, an electric wire is inserted into the terminal fitting 9 from the outside, and the terminal screw 10 is tightened in this state. It is fastened in between.
【０００７】[0007]
【発明が解決しようとする課題】ところで、前記した従
来の端子構造では、製作，部品点数，組立工数の面で次
に記すような解決すべき課題がある。すなわち、 (1) 固定接触子２を中間ケース１ｂに組付けてその端子
導体２ａを端子部８に引き出した状態で、端子部８とケ
ース内のしゃ断部との間を仕切るために、あらかじめ固
定接触子２にケース１とは別部品の絶縁隔壁部材２ｃを
アダプタとして取付けた上で中間ケース１ｂに組み込む
ようにしており、このために部品点数，並びに組立工数
が増して製品がコスト高となる。However, the conventional terminal structure described above has the following problems to be solved in terms of manufacturing, the number of parts, and the number of assembly steps. (1) With the fixed contact 2 attached to the intermediate case 1b and with its terminal conductor 2a drawn out to the terminal portion 8, it is fixed in advance to partition between the terminal portion 8 and the cut-off portion in the case. An insulating partition member 2c, which is a separate component from the case 1, is attached to the contact 2 as an adapter and then incorporated into the intermediate case 1b. Therefore, the number of parts and the number of assembly steps increase, and the cost of the product increases. .
【０００８】(2) また、ボックス形の端子金具９を製作
するには、少なくとも銅板の４箇所を折り曲げる板金加
工が必要であり、かつその加工工程が複雑であることか
らコスト高となる。本発明は上記の点に鑑みなされたも
のであり、その目的は前記課題を解決してコストダウ
ン，および生産性向上が図れるように改良した開閉器の
端子構造を提供することにある。(2) In order to manufacture the box-shaped terminal fitting 9, sheet metal processing for bending at least four portions of the copper plate is required, and the processing steps are complicated, resulting in high costs. The present invention has been made in view of the above points, and an object of the present invention is to provide a switch terminal structure which is improved so as to solve the above-mentioned problems and reduce costs and improve productivity.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
に、本発明によれば、端子構造を次記のように構成する
ものとする。 (1) ケース内部から端子部に引出した端子導体の先端に
ねじ付き端子金具を装着し、外部からケースの端子部に
差し込んだ電線を端子導体との接続位置にねじ締結する
ようにした開閉器の端子構造で、前記端子導体がケース
内のしゃ断部に組み込んだヘアピン形状の固定接触子を
延長して形成されたものにおいて、ケースのしゃ断部と
端子部との間に端子導体の引出し通路を残して仕切隔壁
を形成し、該仕切隔壁に固定接触子を挟持固定した上で
前記引出し通路を通して端子導体を端子部に引き出すよ
うに構成する（請求項１）。かかる構成によれば、図４
に示した絶縁隔壁部材のアダプタが不要となり、その分
だけ部品点数，並びに組立工数が削減できる。To achieve the above object, according to the present invention, a terminal structure is constituted as follows. (1) A switch with a threaded terminal fitting attached to the end of the terminal conductor that is drawn out of the case to the terminal, and the wire inserted into the terminal of the case from the outside is screwed into the connection position with the terminal conductor. In the terminal structure of the above, the terminal conductor is formed by extending a hairpin-shaped fixed contact incorporated in a breaking portion in the case, and a lead-out passage of the terminal conductor is formed between the breaking portion of the case and the terminal portion. A partition is formed by leaving the partition, a fixed contact is sandwiched and fixed to the partition, and the terminal conductor is drawn out to the terminal portion through the lead-out passage (claim 1). According to such a configuration, FIG.
The adapter for the insulating partition member described in (1) becomes unnecessary, and the number of parts and the number of assembling steps can be reduced accordingly.
【００１０】(2) ケース内部から端子部に引出した端子
導体の先端にねじ付き端子金具を装着し、外部からケー
スの端子部に差し込んだ電線を端子導体との接続位置に
ねじ締結するようにした開閉器の端子構造で、その端子
金具が端子導体の先端に遊嵌したボックス形端子金具
と、該端子金具の頂部に上方から螺合した端子ねじと、
上辺に端子ねじを嵌挿し、かつ下辺を前記端子金具の内
方に挿入して組付けたコ字形の電線押え金具とからなる
ものにおいて、前記のボックス形端子金具を、Ｕ字形に
板金加工した下部片と、上面に端子ねじ穴をバーリング
加工して前記下部片の上部に係止固定した上部片とから
構成する（請求項２）。(2) A terminal fitting with a screw is attached to the tip of the terminal conductor drawn out from the inside of the case to the terminal, and an electric wire inserted into the terminal of the case from the outside is screwed to a connection position with the terminal conductor. The terminal structure of the switch, the terminal fitting is loosely fitted to the tip of the terminal conductor, a box-shaped terminal fitting, and a terminal screw screwed into the top of the terminal fitting from above,
A terminal screw is inserted into the upper side, and the lower side is inserted into the inside of the terminal fitting and is assembled into a U-shaped electric wire press fitting, and the box-shaped terminal fitting is formed into a U-shaped sheet metal. It is composed of a lower piece and an upper piece which is formed by burring a terminal screw hole on the upper surface and locked and fixed on an upper portion of the lower piece.
【００１１】この構成によれば、端子金具が二つの部品
からなるが、図５の従来構造と比べて折り曲げ加工が４
箇所から２箇所に削減でき、しかも複雑な折り重ね加工
を必要としないため製作が容易で部品の生産性が向上す
る。また、上部片のねじ穴にバーリング加工を施したこ
とで、高いねじ締め強度が確保できる。According to this structure, the terminal fitting is composed of two parts.
The number of parts can be reduced to two, and complicated fold processing is not required, so that the production is easy and the productivity of parts is improved. In addition, since burring is performed on the screw hole of the upper piece, high screw tightening strength can be secured.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施の形態を図
１，および図２に示す実施例に基づいて説明する。な
お、各実施例の図中で図４，図５に対応する同一部材に
は同じ符号を付してその説明は省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the embodiments shown in FIGS. In the drawings of each embodiment, the same members corresponding to FIGS. 4 and 5 are denoted by the same reference numerals, and description thereof will be omitted.
【００１３】〔実施例１〕図１は本発明の請求項１に対
応する固定接触子の組立構造，およびその組立て手順を
表す説明図である。この実施例においては、ケース１
（図３参照）の中間ケース１ｂに対し、その端子部８の
底部側にはしゃ断部との間を仕切るように断面Ｌ字形の
仕切隔壁１ｂ-3が一体成形されており、その仕切隔壁１
ｂ-3の後端と端子部の後面壁１ｂ-2との間には端子導体
引出し通路１ｂ-4が開口している。FIG. 1 is an explanatory view showing an assembling structure of a fixed contact according to a first aspect of the present invention and an assembling procedure. In this embodiment, case 1
The partition wall 1b-3 having an L-shaped cross section is integrally formed with the intermediate case 1b (see FIG. 3) at the bottom side of the terminal portion 8 so as to partition between the terminal portion 8 and the cut-off portion.
A terminal conductor lead-out passage 1b-4 is opened between the rear end of b-3 and the rear wall 1b-2 of the terminal portion.
【００１４】そして、中間ケース１ｂに固定接触子２を
組付ける際に、中間ケース１ｂの下面側から負荷側の端
子に対応するヘアピン形状の固定接触子２を挿入してそ
の先端部に形成した端子導体２ａを前記通路１ｂ-4へ斜
め方向に差し込み、さらに固定接触子２を図示矢印Ｐの
ように送り込んで端子導体２ａを端子部８の中に引出
し、同時に固定接触子２の左右両サイドに形成した突起
２ｂ（図４の斜視図参照）をケース側の案内溝１ｂ-1に
圧入する。これにより、固定接触子２は前記の仕切隔壁
１ｂ-3を挟み込んで所定の組立位置に安定よく保持され
る。When assembling the fixed contact 2 to the intermediate case 1b, the hairpin-shaped fixed contact 2 corresponding to the terminal on the load side is inserted from the lower surface side of the intermediate case 1b and formed at the tip thereof. The terminal conductor 2a is obliquely inserted into the passage 1b-4, and the fixed contact 2 is fed in as shown by the arrow P in the drawing to draw out the terminal conductor 2a into the terminal portion 8, and at the same time, the left and right sides of the fixed contact 2 The protrusion 2b (see the perspective view of FIG. 4) formed in the above is pressed into the guide groove 1b-1 on the case side. Thus, the fixed contact 2 is stably held at a predetermined assembly position with the partition wall 1b-3 interposed therebetween.
【００１５】〔実施例２〕図２(a) 〜(d) は本発明の請
求項２に対応する端子金具の組立構造を表す図である。
この実施例において、基本的な構造は図５に示した従来
例と同じであるが、ボックス形端子金具９がＵ字形の下
部片９ｂと、下部片９ｂの上部に係止固定した上部片９
ｃとの二分割構造になり、上部片９ｃはその左右側縁に
形成した突起９ｃ-1を下部片９ｂの側面に開口した係合
穴９ｂ-1に嵌め込んでかしめ止めしている。また、上部
片９ｃには端子ねじ１０を螺合するねじ穴９ａが開口し
ており、そのねじ穴部にはバーリング加工（バーリング
加工部を符号９ｃ-2で示す）が施されている。また、下
部片９ｂの作製には短冊状の銅板の両端部に前記係合穴
９ｂ-1を穿孔した上で、その左右壁部を折り曲げ加工し
て形成する。[Embodiment 2] FIGS. 2A to 2D are views showing an assembly structure of a terminal fitting according to a second aspect of the present invention.
In this embodiment, the basic structure is the same as that of the conventional example shown in FIG. 5, except that a box-shaped terminal fitting 9 has a U-shaped lower piece 9b and an upper piece 9 which is locked and fixed above the lower piece 9b.
The upper piece 9c has a projection 9c-1 formed on the left and right side edges thereof fitted into an engagement hole 9b-1 opened on the side surface of the lower piece 9b to be caulked. Further, a screw hole 9a for screwing the terminal screw 10 is opened in the upper piece 9c, and the screw hole portion is subjected to burring (a burring portion is indicated by reference numeral 9c-2). The lower piece 9b is formed by drilling the engagement holes 9b-1 at both ends of the strip-shaped copper plate and bending the left and right walls thereof.
【００１６】そして、前記のボックス形端子金具９に端
子ねじ１０，電線押え金具１１を取付けて図２(a),(b)
に示す組立体を構成し、この組立体を図１に示した中間
ケース１ｂに挿入し、ボックス形端子金具９を端子導体
２ａの先端に差し込んで端子部８が完成する。なお、図
示実施例は負荷側の端子構造について述べたが、電源側
の端子構造についても同様な端子金具で構成するものと
する。Then, a terminal screw 10 and an electric wire holding member 11 are attached to the box-shaped terminal member 9, and FIGS. 2 (a) and 2 (b).
Is assembled into the intermediate case 1b shown in FIG. 1, and the box-shaped terminal fitting 9 is inserted into the tip of the terminal conductor 2a to complete the terminal portion 8. In the illustrated embodiment, the terminal structure on the load side has been described, but the terminal structure on the power supply side is also constituted by similar terminal fittings.
【００１７】[0017]
【発明の効果】以上述べたように、本発明の構成により
次記の効果を奏する。 (1) 請求項１の構成によれば、固定接触子をケースに組
み込む際に、従来構造のようにケースとは別部品の絶縁
隔壁部材をアダプタとして組合せる必要がなく、ケース
側に形成した仕切隔壁に固定して端子導体を端子部に引
き出すことができ、これにより部品点数，組立工数を削
減して製品のコストダウンが図れる。As described above, the following effects can be obtained by the configuration of the present invention. (1) According to the configuration of claim 1, when the fixed contact is incorporated in the case, it is not necessary to combine an insulating partition member, which is a separate component from the case, as an adapter as in the conventional structure, and it is formed on the case side. The terminal conductor can be pulled out to the terminal portion by being fixed to the partition wall, whereby the number of parts and the number of assembly steps can be reduced, and the cost of the product can be reduced.
【００１８】(2) 請求項２の構成によれば、ボックス形
端子金具の作製に要する折り曲げ加工が２箇所で済み、
かつその板金加工手順も従来構造と比べて簡単に行えて
コストダウン，並びに生産性が向上する。(2) According to the configuration of the second aspect, the bending process required for manufacturing the box-shaped terminal fitting is completed at two places,
In addition, the sheet metal processing procedure can be easily performed as compared with the conventional structure, thereby reducing costs and improving productivity.
【図１】本発明の実施例１に対応する固定接触子の組立
構造，およびその組立て手順を表す説明図FIG. 1 is an explanatory view showing an assembling structure of a fixed contact corresponding to a first embodiment of the present invention and an assembling procedure thereof.
【図２】本発明の実施例２に対応する端子金具の組立構
造図であり、(a),(b) はそれぞれ組立状態の側面図，お
よび正面図、(c) は(a) 図の矢視Ｂ−Ｂ断面図、(d) は
分解斜視図FIGS. 2 (a) and 2 (b) are side and front views of an assembled state, respectively, and FIG. 2 (c) is a view of FIG. 2 (a). BB sectional view taken in the direction of arrow, (d) is an exploded perspective view.
【図３】本発明の実施対象となる回路遮断器の従来例の
構成図であり、(a) は平面図、(b) は側視断面図3A and 3B are configuration diagrams of a conventional example of a circuit breaker to which the present invention is applied, where FIG. 3A is a plan view and FIG.
【図４】図３における固定接触子の構造，およびその組
立て手順を表す説明図4 is an explanatory view showing the structure of a fixed contact in FIG. 3 and an assembling procedure thereof.
【図５】図３における端子金具の組立構造図であり、
(a),(b) はそれぞれ組立状態の側面図，および正面図、
(c) はボックス形端子金具の外観斜視図FIG. 5 is an assembly structure diagram of the terminal fitting in FIG. 3;
(a) and (b) are side and front views of the assembled state, respectively.
(c) is an external perspective view of the box-type terminal fitting.
１ ケース ２ 固定接触子 ２ａ 端子導体 ８ 端子部 ９ ボックス形端子金具 ９ａ ねじ穴 ９ｂ Ｕ字形の下部片 ９ｃ 上部片 ９ｃ-2 バーリング加工部 １０ 端子ねじ １１ 電線押え金具 DESCRIPTION OF SYMBOLS 1 Case 2 Fixed contact 2a Terminal conductor 8 Terminal part 9 Box-shaped terminal fitting 9a Screw hole 9b U-shaped lower piece 9c Upper piece 9c-2 Burring processing part 10 Terminal screw 11 Wire holding metal fitting
フロントページの続き (72)発明者 久保山 勝典 神奈川県川崎市川崎区田辺新田１番１号 富士電機株式会社内 (72)発明者 高橋 龍典 神奈川県川崎市川崎区田辺新田１番１号 富士電機株式会社内 (72)発明者 堀 進一 神奈川県川崎市川崎区田辺新田１番１号 富士電機株式会社内 Ｆターム(参考） 5E012 BA26 5G030 BA05 XX06 XX12 YY04 5G052 AA40 BB07 HA02 Continuation of the front page (72) Inventor Katsunori Kuboyama 1-1, Tanabe-Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Inside Fuji Electric Co., Ltd. (72) Inventor Tatsunori Takahashi 1-1-1, Tanabe-Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa Fuji Inside Electric Co., Ltd. (72) Inventor Shinichi Hori 1-1-1, Tanabe-Nitta, Kawasaki-ku, Kawasaki-city, Kanagawa Prefecture F-term within Fuji Electric Co., Ltd. (reference) 5E012 BA26 5G030 BA05 XX06 XX12 YY04 5G052 AA40 BB07 HA02
Claims (2)
の先端にねじ付き端子金具を装着し、外部からケースの
端子部に差し込んだ電線を端子導体との接続位置にねじ
締結するようにした開閉器の端子構造であり、端子導体
をケース内のしゃ断部に組み込んだヘアピン形状の固定
接触子を延長して形成したものにおいて、ケースのしゃ
断部と端子部との間に端子導体の引出し通路を残して仕
切隔壁を形成し、該仕切隔壁に固定接触子を挟持固定し
た上で前記引出し通路を通して端子導体を端子部に引き
出すようにしたことを特徴とする開閉器の端子構造。A terminal fitting with a screw is attached to the tip of a terminal conductor drawn out from the inside of a case to a terminal portion, and an electric wire inserted into the terminal portion of the case from the outside is screwed to a connection position with the terminal conductor. A terminal structure of a switch, which is formed by extending a hairpin-shaped fixed contact with a terminal conductor embedded in a cut-off part in a case, and a lead-out passage for the terminal conductor between the cut-off part and the terminal part of the case. The terminal structure of the switch, characterized in that a partition wall is formed by leaving the above, a fixed contact is held and fixed to the partition wall, and a terminal conductor is drawn out to the terminal portion through the lead-out passage.
の先端にねじ付き端子金具を装着し、外部からケースの
端子部に差し込んだ電線を端子導体との接続位置にねじ
締結するようにした開閉器の端子構造であり、その端子
金具が端子導体の先端に遊嵌したボックス形端子金具
と、該端子金具の頂部に上方から螺合した端子ねじと、
上辺に端子ねじを嵌挿し、かつ下辺を前記端子金具の内
方に挿入して組付けたコ字形の電線押え金具とからなる
ものにおいて、前記のボックス形端子金具を、Ｕ字形に
板金加工した下部片と、上面に端子ねじ穴をバーリング
加工して前記下部片の上部に係止固定した上部片とから
構成したことを特徴とする開閉器の端子構造。2. A terminal fitting with a screw is attached to the tip of a terminal conductor drawn out from the inside of the case to a terminal portion, and an electric wire inserted into the terminal portion of the case from the outside is screwed to a connection position with the terminal conductor. A terminal structure of the switch, the terminal fitting of which is loosely fitted to the tip of the terminal conductor, a box-shaped terminal fitting, a terminal screw screwed into the top of the terminal fitting from above,
A terminal screw is inserted into the upper side, and the lower side is inserted into the inside of the terminal fitting and is assembled into a U-shaped electric wire press fitting, and the box-shaped terminal fitting is formed into a U-shaped sheet metal. A terminal structure for a switch, comprising: a lower piece; and an upper piece which is fixed to an upper portion of the lower piece by burring a terminal screw hole on an upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11021092A JP2000222996A (en) | 1999-01-29 | 1999-01-29 | Terminal structure of switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11021092A JP2000222996A (en) | 1999-01-29 | 1999-01-29 | Terminal structure of switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000222996A true JP2000222996A (en) | 2000-08-11 |
Family
ID=12045239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11021092A Withdrawn JP2000222996A (en) | 1999-01-29 | 1999-01-29 | Terminal structure of switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000222996A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057703A1 (en) * | 2002-12-19 | 2004-07-08 | Fuji Electric Fa Components & Systems Co., Ltd. | Terminal device for electrical equipment |
| CN102347545A (en) * | 2010-08-02 | 2012-02-08 | 西门子公司 | Electric installation device |
| WO2013091247A1 (en) * | 2011-12-23 | 2013-06-27 | American Power Conversion Corporation | High density terminal block |
| WO2014008671A1 (en) * | 2012-07-13 | 2014-01-16 | 西门子公司 | Junction box and contactor device |
-
1999
- 1999-01-29 JP JP11021092A patent/JP2000222996A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057703A1 (en) * | 2002-12-19 | 2004-07-08 | Fuji Electric Fa Components & Systems Co., Ltd. | Terminal device for electrical equipment |
| US7172470B2 (en) | 2002-12-19 | 2007-02-06 | Fuji Electric Fa Components & Systems Co., Ltd. | Terminal device for electrical equipment |
| CN100346536C (en) * | 2002-12-19 | 2007-10-31 | 富士电机机器制御株式会社 | Terminal device for electrical equipment |
| CN102347545A (en) * | 2010-08-02 | 2012-02-08 | 西门子公司 | Electric installation device |
| WO2013091247A1 (en) * | 2011-12-23 | 2013-06-27 | American Power Conversion Corporation | High density terminal block |
| CN104115353A (en) * | 2011-12-23 | 2014-10-22 | 施耐德电气It公司 | High density terminal block |
| US9240637B2 (en) | 2011-12-23 | 2016-01-19 | Schneider Electric It Corporation | High density terminal block |
| WO2014008671A1 (en) * | 2012-07-13 | 2014-01-16 | 西门子公司 | Junction box and contactor device |
| EP2874167A4 (en) * | 2012-07-13 | 2016-01-27 | Siemens Ag | Junction box and contactor device |
| US9692221B2 (en) | 2012-07-13 | 2017-06-27 | Siemens Aktiengesellschaft | Junction box and contactor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20040723 |