JP3809032B2 - Earth feed terminal - Google Patents

Earth feed terminal Download PDF

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Publication number
JP3809032B2
JP3809032B2 JP14203399A JP14203399A JP3809032B2 JP 3809032 B2 JP3809032 B2 JP 3809032B2 JP 14203399 A JP14203399 A JP 14203399A JP 14203399 A JP14203399 A JP 14203399A JP 3809032 B2 JP3809032 B2 JP 3809032B2
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Japan
Prior art keywords
terminal
feed terminal
branch breaker
ground
ground wire
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Expired - Fee Related
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JP14203399A
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JP2000333318A (en
Inventor
浩司 水野
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河村電器産業株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、分岐ブレーカ2次側の配線接続をする際に、負荷アース線の配線もその分岐ブレーカの近傍で行うことを可能とするアース送り端子具に関する。
【0002】
【従来の技術】
従来の住宅用分電盤内のアース線の接続状況を図4に示す。図4は住宅用分電盤28の平面図を示し、アース線を有する3芯線で裏面開口部26から引き込まれた負荷からの電線23は分岐ブレーカ20に接続されると共にアース線27はスリーブ等でかしめられて、分電盤内に実装されているアース端子25に一括して接続されている。
【0003】
【発明が解決しようとする課題】
しかし、このようにアース線27を1ヶ所にスリーブする方法は、分岐ブレーカ20に接続する電線の長さとアース線の長さとが大きく異なるため、配線が面倒であったし結線作業も難しかった。
また、配線作業が改善されるように、アース端子25を個々の分岐ブレーカ20の近くに個別に設置し、アース線の長さとブレーカ接続線とが同程度の長さになるようにしようとすると、その分のアース端子25の設置スペースが必要であり、配線スペースが無くなったり、分電盤の外形を大きくする必要が生じて、分電盤の設計変更を伴うため、容易に実施できるものではない。
【0004】
そこで本発明は、上記問題点に鑑み、分電盤箱体の設計変更をすることなく、負荷からのアース線の接続作業を容易に行うことのできるアース送り端子具を提供することを課題とする。
【0005】
【課題を解決するための手段】
上記課題を解決するために、請求項1の発明は、分岐ブレーカの2次側接続端子近傍に設けられた分岐ブレーカを分電盤等へ取り付けるためのネジ挿入部に配置され、前記ネジ挿入部に挿入して分岐ブレーカを取り付けるネジにより分岐ブレーカに共締めさて固定される装着部を有し、負荷アース線をアースする為のアース送り端子具であって、他のアース送り端子具と導線を介して電気的に連結する送り端子と、当該送り端子に連結されて負荷アース線を接続する入線端子とを有することを特徴とする。
【0006】
請求項2の発明は、請求項1の発明において、送り端子が左右方向に導線を挿通する挿通孔と挿通した導線を固定する固定手段とを有すると共に、入線端子が前方から負荷アース線を挿入する挿入孔と該挿入孔に挿入したアース線を固定する固定手段とを有して成る。
【0007】
請求項3の発明は、請求項1又は2の発明において、装着部は、送り端子及び入線端子を有する本体から上方に伸びた支持棒を介して設けられ、支持棒上端から後方に突設して形成されて成る。
【0008】
【発明の実施の形態】
以下、本発明を具体化した実施の形態の1例を図面を基に詳細に説明する。図1は本発明に係るアース送り端子具を示し、(a)はその斜視図、(b)は内部の渡り導体の斜視図である。図において、段違いに形成された2つの立方体形状部はアース送り端子具の本体1で、送り端子5を有する送り部2及び入線端子6を有する入線部3であり、送り部2を低くして左右に段違いに形成してある。そして、4は分岐ブレーカに装着するための装着片であり、後方に突出形成され、支持棒13を介して送り部2、入線部3と共に樹脂製絶縁体により一体に形成されている。
【0009】
送り端子5は、送り部2内に左右方向に貫通形成された通孔5aと、通部5aに通されたアース導線9を締着固定するネジ10とから成り、ネジ10を通孔5a内部で渡り導体7の一端に形成された筒部7aに、上方から螺入するよう形成されている。また、入線端子6は、入線部3の前面に形成された挿入孔3aと、挿入孔3aに挿入されたアース線を締着固定するネジ11とから成り、ネジ11を挿入孔3a内部で渡り導体7の他端に形成された筒部7bに、上方から螺入するよう形成されている。
【0010】
支持棒13は、送り部2及び入線部3の間から上方に伸ばして形成され、アース送り端子具を分岐ブレーカに装着した際に、本体1が分岐ブレーカの2次側接続端子への電線接続操作の邪魔にならないように適切な長さを有している。そして、装着片4はその先端から後方に向けて突設形成され、中央には分岐ブレーカにネジ止めするためのネジ送通孔15が設けられている。
また、装着片4は、図2に示すように分岐ブレーカ20の取り付けネジ21の挿入部22の凹部形状に合わせて、挿入部22に配置可能な外形形状となっている。
【0011】
上記構成のアース送り端子具の装着手段を、図2の分岐ブレーカに取り付けた状態の斜視図、及び図3のその分岐ブレーカを取り付けた住宅用分電盤の平面図を基に説明する。アース送り端子具は図2に示すように、装着片4を分岐ブレーカ20の2次側接続端子19の間に設けられている取り付けネジ挿入部22に配置し、そのネジ送通孔15を介して取り付けネジ21を挿入部22に挿入して分岐ブレーカ20を分電盤等に取り付ける。
こうすることで、アース送り端子具は分岐ブレーカに装着されると共に分岐ブレーカが分電盤24に取り付けられる。
そして、設置された送り端子一端をアース端子25に接続したアース導線9を通してネジ10で締着し、入線端子6に負荷からのアース線を挿入してネジ11締着すればよい。
【0012】
尚、分電盤内への設置は、まず分岐ブレーカ20と共に設置してからアース導線9を送り端子5に通しても良いが、先ずアース導線9を送り端子5に挿通してから分岐ブレーカ20に装着して、その後アース導線9を締着しても良い。
また、この実施の形態では送り端子5と入線端子6との間に段差を設けたり、支持棒13を有しているため、分岐ブレーカ20に装着した送り部2は分岐ブレーカ20の下方に突出することになるが、元々住宅用分電盤24のブレーカの2次端子側にあたる分電盤底部は配線のための開口部26が設けられているため、アース送り端子装着の際に障害となることがない。
【0013】
このように、アース端子が必要な個々の分岐ブレーカにアース送り端子具を設置可能としたものであるから、アース線を引き延ばして1ヶ所にまとめてスリーブする必要がなく、アース端子が1個のみの分電盤であっても配線及びアース線接続作業を簡略化できる。
また、個々の分岐ブレーカに独立して設置するため、回路増設に容易に対応することができるし、分電盤の構成や大きさ等を変更せず対応が可能であり、従来の分電盤にもそのまま使用することができる。
【0014】
また、アース導線を左右に通するため隣接する分岐ブレーカに装着されたアース送り端子具同士の連結をスムーズに行うことができるし、入線端子は前方からアース線を挿入するため、分岐ブレーカの2次側接続端子への電線接続と同一方向で接続することができる。更に、支持棒を設けることで、送り端子及び入線端子が分岐ブレーカの2次側接続端子への電線挿入の障害になることがないので、配線及び接続作業を容易に行うことができる。
【0015】
尚、上記実施形態の場合、送り端子、入線端子いずれもネジによりアース導線9及びアース線を締着するようになっているが、バネ性を有する金属片を内蔵してネジ無し端子としても良い。また、本体は段違いに形成しなくとも良くアース導線9を左右に挿通可能で、アース線を前方から挿入可能であればよい。
【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、アース端子が必要な個々の分岐ブレーカにアース送り端子具を設置可能としたものであるので、アース線を引き延ばし1ヶ所にまとめてスリーブする必要が無くなり、配線及びアース線接続作業を簡略化できる。
また、個々の分岐ブレーカに独立しして設置するものであるから、回路増設に容易に対応することがでるし、分電盤の構成や大きさを変更せずに対応が可能であり、従来の分電盤にもそのまま使用することができる。
【0017】
請求項2の発明のよれば、請求項1の発明の効果に加えて、導線を左右に挿通するため隣接する分岐ブレーカに装着されたアース送り端子具同士の連結をスムーズに行うことができるし、入線端子は前方からアース線を挿入するため、分岐ブレーカの2次側接続端子への分岐線接続と同一方向で接続することができ、配線及び接続作業が容易である。
【0018】
請求項3の発明によれば、請求項1又は2の発明の効果に加えて、支持棒を有するので、送り端子及び入線端子が分岐ブレーカに2次側接続端子への電線挿入の障害になることがない。
【図面の簡単な説明】
【図1】 本発明の実施の形態の一例を示し、(a)はアース送り端子具の斜視説明図、(b)は内部渡り導体の斜視説明図である。
【図2】 分岐ブレーカに図1のアース送り端子具を装着した状態を示す斜視図である。
【図3】 図1のアース送り端子具を住宅用分電盤に設置した様子を示す平面図である。
【図4】 従来のアース線接続状況を示す住宅用分電盤に平面図である。
【符号の説明】
1・・本体、2・・送り部、3・・入線部、4・・装着片、5・・送り端子、5a・・通孔、6・・入線端子、6a・・挿入孔、9・・アース導線、13・・支持棒、20・・分岐ブレーカ、21・・取り付けネジ、22・・挿入部、25・・アース端子。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ground feed terminal that enables wiring of a load ground wire in the vicinity of the branch breaker when connecting the wiring on the secondary side of the branch breaker.
[0002]
[Prior art]
FIG. 4 shows a connection state of ground wires in a conventional residential distribution board. FIG. 4 shows a plan view of a residential distribution board 28. A wire 23 from a load drawn from a back opening 26 with a three-core wire having a ground wire is connected to a branch breaker 20 and a ground wire 27 is a sleeve or the like. It is caulked and connected to the ground terminal 25 mounted in the distribution board at once.
[0003]
[Problems to be solved by the invention]
However, in the method of sleeve-connecting the ground wire 27 in this way, since the length of the electric wire connected to the branch breaker 20 and the length of the ground wire are greatly different, the wiring is troublesome and the wiring work is difficult.
In addition, if the ground terminal 25 is individually installed near each branch breaker 20 so that the wiring work is improved, the length of the ground wire and the breaker connection line are made to be the same length. Therefore, it is necessary to provide space for the ground terminal 25, and there is no need for wiring space, and it is necessary to enlarge the outer shape of the distribution board. Absent.
[0004]
Therefore, in view of the above problems, the present invention has an object to provide an earth feed terminal device that can easily connect an earth wire from a load without changing the design of a distribution board box. To do.
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the invention of claim 1 is arranged in a screw insertion portion for attaching a branch breaker provided near a secondary side connection terminal of the branch breaker to a distribution board, etc., and the screw insertion portion has a mounting portion fastened now be secured to the branch breaker by inserting a screw to attach the branch breaker, a ground feed terminal device for grounding the load ground wire, the other ground feed terminal equipment and conductor And a feed terminal connected to the feed terminal and connected to a load ground wire.
[0006]
According to a second aspect of the invention, in the invention of claim 1, as well as organic and fixing means for fixing the conductive wire feeding terminal inserted through the insertion hole for inserting the conductor in the lateral direction, the load ground wire incoming line terminals from the front An insertion hole to be inserted and a fixing means for fixing the ground wire inserted into the insertion hole.
[0007]
According to a third aspect of the present invention, in the first or second aspect of the invention, the mounting portion is provided via a support bar extending upward from the main body having the feed terminal and the incoming terminal, and protrudes rearward from the upper end of the support bar. Formed.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment embodying the present invention will be described in detail with reference to the drawings. 1A and 1B show a ground feed terminal according to the present invention, in which FIG. 1A is a perspective view thereof and FIG. 1B is a perspective view of an internal transition conductor. In the figure, the two cube-shaped parts formed in steps are the main body 1 of the earth feed terminal, which is the feed part 2 having the feed terminal 5 and the incoming line part 3 having the incoming line terminal 6, and the feed part 2 is lowered. It is formed in steps on the left and right. Reference numeral 4 denotes a mounting piece for mounting on the branch breaker. The mounting piece protrudes rearward and is integrally formed of a resin insulator together with the feed portion 2 and the incoming wire portion 3 via the support bar 13.
[0009]
Feeding terminal 5 is made and inserted through hole 5a formed through the lateral direction in the feeding section 2, a grounding conductor 9 which is threaded inserted in the interpolation communication portion 5a from the screw 10 for fastening fixed interpolation screw 10 It is formed so as to be screwed from above into a cylindrical portion 7a formed at one end of the crossing conductor 7 inside the through hole 5a. The incoming line terminal 6 includes an insertion hole 3a formed on the front surface of the incoming line part 3 and a screw 11 for fastening and fixing the ground wire inserted into the insertion hole 3a. The screw 11 is passed through the insertion hole 3a. It is formed so as to be screwed into the cylindrical portion 7b formed at the other end of the conductor 7 from above.
[0010]
The support bar 13 is formed to extend upward from between the feed portion 2 and the incoming wire portion 3, and when the ground feed terminal is attached to the branch breaker, the main body 1 is connected to the secondary connection terminal of the branch breaker. It has an appropriate length so as not to disturb the operation. The mounting piece 4 is formed so as to project rearward from the tip thereof, and a screw feed hole 15 for screwing to the branch breaker is provided at the center.
Further, the mounting piece 4 has an outer shape that can be disposed on the insertion portion 22 in accordance with the shape of the recess of the insertion portion 22 of the mounting screw 21 of the branch breaker 20 as shown in FIG.
[0011]
The ground feed terminal mounting means having the above configuration will be described with reference to a perspective view of a state in which the ground breaker terminal is attached to the branch breaker in FIG. 2 and a plan view of a residential distribution board to which the branch breaker is attached in FIG. As shown in FIG. 2, the ground feed terminal tool is configured such that the mounting piece 4 is arranged in an insertion screw insertion portion 22 provided between the secondary side connection terminals 19 of the branch breaker 20, and the screw feed hole 15 is formed. Then, the mounting screw 21 is inserted into the insertion portion 22 to attach the branch breaker 20 to a distribution board or the like.
By doing so, the earth feed terminal is attached to the branch breaker and the branch breaker is attached to the distribution board 24.
Then, the installed feed terminal 5, and fastened with screws 10 through interpolation the ground conductor 9 having one end connected to the ground terminal 25, fastening with screws 11 by inserting the ground wire from the load to the incoming line terminals 6 do it.
[0012]
Incidentally, the installation of the distribution board in the first may be passed through interpolation from the installed terminal 5 sends the grounding conductor 9 with branch breakers 20, but branch breakers from first inserted into the terminal 5 sends the grounding conductor 9 It may be attached to 20 and then the ground conductor 9 may be fastened.
Further, in this embodiment, a step is provided between the feed terminal 5 and the incoming line terminal 6 and the support bar 13 is provided, so that the feed portion 2 attached to the branch breaker 20 protrudes below the branch breaker 20. Although will be, since the original distribution board bottom corresponding to the secondary terminal of the breaker residential distribution board 24 is provided with openings 26 for the wires, and barriers to the ground feed terminal device attached Never become.
[0013]
In this way, it is possible to install a ground feed terminal on each branch breaker that requires a ground terminal, so there is no need to stretch the ground wire and sleeve it together in one place, only one ground terminal. Wiring and grounding wire connection work can be simplified even with this distribution board.
In addition, since it is installed independently on each branch breaker, it can easily cope with circuit expansion, and can be handled without changing the configuration and size of the distribution board. Can also be used as is.
[0014]
Further, in order to interpolation through a ground wire to the left and right, to be able to perform the connection between the ground feed terminal device attached to the branch breakers adjacent smooth, because the incoming line terminals for inserting the ground wire from the front, branch breakers Can be connected in the same direction as the wire connection to the secondary side connection terminal. Further, by providing the support rod, the feed terminal and the incoming terminal do not become an obstacle to the insertion of the electric wire into the secondary side connection terminal of the branch breaker, so that the wiring and connection work can be easily performed.
[0015]
In the case of the above embodiment, both the feed terminal 5 and the incoming terminal 6 are configured to fasten the ground conductor 9 and the ground wire with screws, but a metal piece having a spring property is built in as a screwless terminal. Also good. Further, the body without having to different levels form may be inserted ground conductor line 9 on the left and right, or if possible insert a ground wire from the front.
[0016]
【The invention's effect】
As described above in detail, according to the first aspect of the invention, since those which enables installing a ground feed terminal device to the individual branch breakers requiring ground terminal, the sleeve together in one place stretching the ground wire This eliminates the need for wiring and simplifies wiring and ground wire connection work.
In addition, since it is installed independently on each branch breaker, it can easily cope with circuit expansion and can be handled without changing the configuration and size of the distribution board. It can also be used as it is on the distribution board.
[0017]
According the invention of claim 2, in addition to the effect of the invention of claim 1, for inserting the lead into the right and left, it is possible to perform the connection between the ground feed terminal device attached to the branch breakers adjacent smooth In addition, since the ground wire is inserted from the front of the incoming line terminal, it can be connected in the same direction as the branch line connection to the secondary side connection terminal of the branch breaker, and wiring and connection work are easy.
[0018]
According to the invention of claim 3, in addition to the effect of the invention of claim 1 or 2, since the support rod is provided, the feed terminal and the incoming terminal become an obstacle to the insertion of the electric wire into the secondary connection terminal in the branch breaker. There is nothing.
[Brief description of the drawings]
FIG. 1 shows an example of an embodiment of the present invention, in which (a) is a perspective explanatory view of a ground feed terminal, and (b) is a perspective explanatory view of an internal transition conductor .
FIG. 2 is a perspective view showing a state in which the earth feed terminal tool of FIG. 1 is mounted on a branch breaker.
FIG. 3 is a plan view showing a state in which the earth feed terminal of FIG. 1 is installed on a residential distribution board.
FIG. 4 is a plan view of a residential distribution board showing a conventional ground wire connection state.
[Explanation of symbols]
1 ... body 2 ... feeding unit, 3 ... incoming section, 4 ... mounting piece, 5 ... feeding terminal, 5a ... interpolation hole, 6 ... incoming terminal, 6a ... insertion hole, 9-・ Earth conductor wire, 13 ・ ・ Support rod, 20 ・ ・ Branch breaker, 21 ・ ・ Mounting screw, 22 ・ ・ Inserting part, 25 ・ ・ Earth terminal.

Claims (3)

分岐ブレーカの2次側接続端子近傍に設けられた分岐ブレーカを分電盤等へ取り付けるためのネジ挿入部に配置され、前記ネジ挿入部に挿入して分岐ブレーカを取り付けるネジにより分岐ブレーカに共締めされて固定される装着部を有し、負荷アース線をアースする為のアース送り端子具であって、
他のアース送り端子具と導線を介して電気的に連結する送り端子と、当該送り端子に連結されて負荷アース線を接続する入線端子とを有するアース送り端子具。
The branch breaker provided in the vicinity of the secondary connection terminal of the branch breaker is placed in the screw insertion part for attaching to the distribution board, etc., and is tightened together with the branch breaker by the screw that is inserted into the screw insertion part and attaches the branch breaker A grounding feed terminal for grounding the load ground wire, having a mounting portion fixed and
An earth feed terminal having a feed terminal electrically connected to another earth feed terminal via a lead wire and an incoming line terminal connected to the feed terminal and connected to a load ground wire.
送り端子が左右方向に導線を挿通する挿通孔と挿通した導線を固定する固定手段とを有すると共に、入線端子が前方から負荷アース線を挿入する挿入と該挿入に挿入したアース線を固定する固定手段とを有する請求項1記載のアース送り端子具。 While have a fixed means feed terminal to secure the leads inserted through the insertion hole for inserting the conductor in the lateral direction, the ground wire incoming line terminals inserted into the insertion hole and the insertion hole for inserting the load ground wire from the front 2. The earth feed terminal according to claim 1, further comprising a fixing means for fixing. 装着部は、送り端子及び入線端子を有する本体から上方に伸びた支持棒を介して設けられ、支持棒上端から後方に突設して形成されて成る請求項1又は2記載のアース送り端子具。3. The earth feed terminal device according to claim 1 , wherein the mounting portion is provided via a support bar extending upward from a main body having a feed terminal and an incoming line terminal, and is formed to project rearward from the upper end of the support bar. .
JP14203399A 1999-05-21 1999-05-21 Earth feed terminal Expired - Fee Related JP3809032B2 (en)

Priority Applications (1)

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JP14203399A JP3809032B2 (en) 1999-05-21 1999-05-21 Earth feed terminal

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JP14203399A JP3809032B2 (en) 1999-05-21 1999-05-21 Earth feed terminal

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JP2000333318A JP2000333318A (en) 2000-11-30
JP3809032B2 true JP3809032B2 (en) 2006-08-16

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Publication number Priority date Publication date Assignee Title
JP4062375B2 (en) * 1996-09-30 2008-03-19 東芝ライテック株式会社 Distribution board
JPH1189018A (en) * 1997-09-05 1999-03-30 Mitsubishi Electric Corp Installing structure of breaker for distribution board wiring

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