JP3179983B2 - Switchboard - Google Patents
SwitchboardInfo
- Publication number
- JP3179983B2 JP3179983B2 JP28763394A JP28763394A JP3179983B2 JP 3179983 B2 JP3179983 B2 JP 3179983B2 JP 28763394 A JP28763394 A JP 28763394A JP 28763394 A JP28763394 A JP 28763394A JP 3179983 B2 JP3179983 B2 JP 3179983B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- mounting
- lower box
- screw
- fixing plate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Distribution Board (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、一般家庭に使用され
る埋設型の分電盤に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buried type distribution board used in ordinary households.
【０００２】[0002]
【従来の技術】一般に、この種の分電盤は、各分岐ブレ
ーカの端子を垂直方向に向けて複数の分岐ブレーカを水
平方向に並設している。本願出願人も、特開平6-153337
号に示すように、複数の分岐ブレーカを水平方向に並設
するように搭載した内器固定板を、下箱の開口縁の両側
に固定したものを提案している。2. Description of the Related Art In general, this type of distribution board has a plurality of branch breakers arranged side by side with the terminals of each branch breaker oriented vertically. The applicant of the present application also discloses JP-A-6-153337.
As shown in the figure, an inner unit fixing plate in which a plurality of branch breakers are mounted so as to be arranged side by side in the horizontal direction is proposed which is fixed to both sides of an opening edge of a lower box.
【０００３】このものは、下箱の開口縁の水平方向両側
に設けられたねじ孔に、内器固定板に設けられた長孔を
整合させて、ねじにより内器固定板が下箱に固定され、
上蓋の窓孔を各ブレーカの操作ハンドルに対応させて上
蓋を内器固定板に取着している。一方、工場や作業所等
に使用される分電盤にあっては、下箱の底板に垂直方向
に複数の分岐ブレーカを配設した内器固定板を取着し、
この内器固定板に各分岐ブレーカの操作ハンドルを突出
させる窓孔を有する中蓋を取着している。そして、中蓋
および壁の開口面を塞ぐ上蓋を下箱または内器固定板に
取着している。[0003] In this device, an elongated hole provided in an inner unit fixing plate is aligned with screw holes provided on both sides in the horizontal direction of an opening edge of the lower box, and the inner unit fixing plate is fixed to the lower box by screws. And
The upper lid is attached to the inner unit fixing plate so that the window hole of the upper lid corresponds to the operation handle of each breaker. On the other hand, in the case of a distribution board used in factories, workshops, etc., an inner unit fixing plate in which a plurality of branch breakers are arranged vertically is attached to the bottom plate of the lower box,
An inner lid having a window for projecting the operation handle of each branch breaker is attached to the inner unit fixing plate. Then, the inner lid and the upper lid for closing the opening surface of the wall are attached to the lower box or the inner unit fixing plate.
【０００４】[0004]
【発明が解決しようとする課題】一般家庭用の分電盤に
よれば、分岐ブレーカを横並びに配設しているため、分
岐回路数が増加すると分岐ブレーカの数も増加するとと
もに水平方向となる下箱の横幅が広くなる。このため、
壁内に埋設する場合に、柱を削る必要があり、移設作業
が煩わしいという問題があった。According to the distribution board for household use, the branch breakers are arranged side by side. Therefore, when the number of branch circuits increases, the number of branch breakers increases and the distribution board becomes horizontal. The width of the lower box becomes wider. For this reason,
When burying in a wall, there is a problem that pillars need to be cut and the relocation work is troublesome.
【０００５】また、工場や作業所等で使用される分電盤
にあっては、分岐ブレーカを縦並びに配設しているた
め、分岐回路数が増加しても横幅を広くすることなく下
箱の縦幅を広くして対応することができる。しかしなが
ら、このものを一般家庭用に使用される分電盤として適
用するには、中蓋という余分な部材が必要であった。さ
らに、この技術を利用して中蓋を一般家庭用の上蓋とす
るには、壁の開口面を塞ぐために中蓋の下箱の底板から
の距離を一定としなければならず、下箱の奥行き方向に
対する距離がずれた場合には、中蓋を取着することがで
きないという問題があった。[0005] Further, in a distribution board used in a factory, a work place, or the like, the branch breakers are arranged vertically, so that even if the number of branch circuits is increased, the lower box is not widened. Can be accommodated by increasing the vertical width. However, in order to apply this as a distribution board used for ordinary households, an extra member called an inner lid was required. Furthermore, in order to make the inner lid a general household upper lid using this technology, the inner lid must be kept at a constant distance from the bottom plate of the lower box in order to cover the opening surface of the wall. When the distance to the direction is shifted, there is a problem that the inner lid cannot be attached.
【０００６】したがって、この発明の目的は、ブレーカ
数が増加しても壁に埋設するときに柱を削る必要が少な
く、埋設作業が容易となるとともに、下箱の壁の奥行き
方向に対する距離がずれても上蓋を取着することが容易
となる分電盤を提供することである。Therefore, an object of the present invention is to reduce the necessity of shaving a pillar when embedding in a wall even if the number of breakers is increased, thereby facilitating the embedding work and displacing the distance of the lower box in the depth direction of the wall. It is another object of the present invention to provide a distribution board which makes it easy to attach an upper cover.
【０００７】[0007]
【課題を解決するための手段】請求項１の分電盤は、開
口縁における両側縁部および上下縁部の一方にねじ孔を
形成した壁取付用の下箱と、前記開口縁に重ねられて前
記ねじ孔に整合する取付孔を形成した取付部を側部に有
して前記下箱内に収容された内器固定板と、前記取付孔
を通し前記ねじ孔に螺合して前記取付部を前記下箱に取
付けるねじと、前記内器固定板に垂直方向に複数並設さ
れて各々の端子が水平方向に向いた分岐ブレーカと、こ
れらの分岐ブレーカの操作ハンドルを突出させる窓孔を
有して前記下箱の開口を開閉可能に前記内器固定板に取
着される上蓋とを備えたものである。According to a first aspect of the present invention, there is provided a power distribution panel, wherein a lower box for mounting on a wall having a screw hole formed at one of both side edges and one of upper and lower edges of an opening edge is overlapped with the opening edge. An inner unit fixing plate housed in the lower box having a mounting portion formed with a mounting hole aligned with the screw hole on the side, and screwed into the screw hole through the mounting hole to mount the mounting member. A screw for mounting the unit to the lower box, a plurality of branch breakers vertically arranged on the inner unit fixing plate, each terminal of which is oriented in a horizontal direction, and a window hole for projecting operation handles of these branch breakers. And an upper lid attached to the inner unit fixing plate so as to open and close the opening of the lower box.
【０００８】請求項２の分電盤は、請求項１において、
前記下箱の前記上下縁部の他方の側壁に入出線部を設け
たものである。請求項３の分電盤は、請求項１または請
求項２において、前記上下縁部の一方のねじ孔に整合す
る前記取付孔を長孔とし、前記両側縁部のねじ孔に整合
する前記取付孔を前記長孔を中心に回動可能な傾斜長孔
としたものである。According to a second aspect of the present invention, there is provided a switchboard according to the first aspect.
An input / output line portion is provided on the other side wall of the upper and lower edges of the lower box. According to a third aspect of the present invention, in the power distribution panel according to the first or second aspect, the mounting holes aligned with one of the screw holes on the upper and lower edges are elongated holes, and the mounting holes are aligned with the screw holes on both side edges. The hole is a slanted oblong hole that can rotate around the elongate hole.
【０００９】[0009]
【作用】請求項１の分電盤によれば、壁の柱間に下箱を
配設し、内器固定板に複数の分岐ブレーカを垂直方向に
並設されるように配設し、その内器固定板の取付孔を下
箱のねじ孔に整合させてねじによって取付け、さらに内
器固定板に上蓋を取付ける。このため、分岐回路数が増
加しても、垂直方向に分岐ブレーカを増加して配設する
ことができ、下箱の水平方向を広くしないので、壁内に
埋設するときに柱を削る必要が少なく、埋設作業が容易
となるとともに、下箱の壁の奥行き方向に対する距離が
ずれても上蓋を取着することが容易となる。According to the distribution board of the first aspect, the lower box is disposed between the pillars of the wall, and the plurality of branch breakers are disposed on the inner unit fixing plate so as to be arranged in a vertical direction. Align the mounting holes of the inner unit fixing plate with the screw holes of the lower box and mount them with screws, and then attach the upper lid to the inner unit fixing plate. Therefore, even if the number of branch circuits increases, the number of branch breakers can be increased in the vertical direction, and the horizontal direction of the lower box is not widened. In addition, the embedding work becomes easier, and the upper lid can be easily attached even if the distance of the wall of the lower box in the depth direction is shifted.
【００１０】請求項２の分電盤によれば、請求項１にお
いて、前記下箱の前記上下縁部の他方の側壁に入出線部
を設けたため、請求項１の作用のほか、入出線部が内器
取付板の取付部と重ならないので、電線導体の入出配線
作業のときに、内器取付板の取付部が邪魔にならず、も
って電線導体の入出配線作業が容易となる。請求項３の
分電盤によれば、請求項１または請求項２において、前
記上下縁部の一方のねじ孔に整合する前記取付孔を長孔
とし、前記両側縁部のねじ孔に整合する前記取付孔を前
記長孔を中心に回動可能な傾斜長孔としたため、請求項
１または請求項２の作用のほか、前記上下縁部の一方の
ねじ孔に内器固定板の長孔を重ね合わせてねじの頭部を
長孔に当接させないようにねじをねじ孔に螺合させた仮
固定状態で、傾斜長孔を下箱のねじ孔に整合させてねじ
により固定することができるので、下箱に対する内器固
定板の位置合わせが容易にできる。According to the second aspect of the present invention, the input / output line portion is provided on the other side wall of the upper and lower edges of the lower box. Does not overlap with the mounting part of the inner unit mounting plate, so that the mounting part of the inner unit mounting plate does not interfere with the wiring operation of the wire conductor, thereby facilitating the wiring operation of the wire conductor. According to the distribution board of claim 3, in claim 1 or claim 2, the mounting hole matching one of the screw holes of the upper and lower edges is an elongated hole, and is matched with the screw holes of the both side edges. Since the mounting hole is a slanted oblong hole rotatable about the oblong hole, in addition to the operation of claim 1 or 2, an oblong hole of the inner unit fixing plate is provided in one of the screw holes on the upper and lower edges. In the temporary fixing state where the screw is screwed into the screw hole so that the head of the screw does not abut on the long hole by overlapping, the oblique long hole can be aligned with the screw hole of the lower box and fixed with the screw Therefore, the positioning of the inner unit fixing plate with respect to the lower box can be easily performed.
【００１１】[0011]
【実施例】この発明の一実施例を図１ないし図１４によ
り説明する。すなわち、この分電盤は、下箱１と、内器
固定板２と、分岐ブレーカ３と、上蓋４とを有する。下
箱１は、図１３に示すように壁１０に埋設されるもの
で、開口縁における両側縁部５および上下縁部の一方で
ある下縁部６にねじ孔７，８を形成している。実施例の
下箱１は金属製で全体を縦長形状に形成し開口縁は内器
固定板２を支持するともにねじ孔７，８を形成可能な幅
を有し、その内端側を内向きに折返して折返し部１１を
形成している。また下箱１の垂直方向のねじ孔８のある
下縁部６に対向する上縁部の側板の入出線部９′のみな
らず、下箱１の他の３側板のすべてに入出線部９を設け
ている。またねじ孔７，８はそれぞれ一対ずつ形成して
いる。An embodiment of the present invention will be described with reference to FIGS. That is, the distribution board includes the lower box 1, the inner unit fixing plate 2, the branch breaker 3, and the upper lid 4. The lower box 1 is embedded in a wall 10 as shown in FIG. 13, and has screw holes 7 and 8 formed in both side edges 5 at the opening edge and a lower edge 6 which is one of the upper and lower edges. . The lower box 1 of the embodiment is made of metal and is formed in a vertically long shape. The opening edge has a width capable of supporting the inner unit fixing plate 2 and forming the screw holes 7 and 8, and the inner end side thereof faces inward. To form a folded portion 11. Also, not only the input / output wire portions 9 'of the upper edge side plate facing the lower edge portion 6 having the screw holes 8 in the vertical direction of the lower box 1 but also the input / output wire portions 9 of all the other three side plates of the lower box 1 are provided. Is provided. The screw holes 7 and 8 are formed in pairs.
【００１２】内器固定板２は、開口縁に重ねられてねじ
孔７，８に整合する取付孔１２，１３を形成した取付部
１４，１４′を側部に有して下箱１内に収容されてい
る。実施例の内器固定板２は、主幹ユニット部１５と、
分岐ユニット部１６からなる。主幹ユニット部１５は平
面的にみると図５から明らかなように略逆Ｕ字形をな
し、その両側より外方に取付部１４が延出している。主
幹ユニット部１５は、その底面に主幹ブレーカ取付部１
６および電器機器取付穴１７を設け、底面の下端部に分
岐ユニット連結部１８を設けている。主幹ブレーカ取付
部１６に主幹ブレーカ１９が取付けられ、電気機器取付
穴１７に金属製の取付片２０が取付けられる。この取付
片２０は上下に側板２０ｂを折曲し、その先端を外方に
折曲して電気機器取付穴１７の縁部に係載する係載片２
０ｃを形成し、係載片２０ｃに形成した孔を通してねじ
２０ａにより電気機器取付穴１７の縁部に形成したねじ
孔２０ｄに取付けている。また取付片２０の内底面にリ
ミッタ等の電気機器（図示せず）が取付けられる木製の
取付板２１が取付けられている。なお、取付板２１にリ
ミッタ等が取付けられる場合は、入線した電源線を電気
機器に接続し、電気機器の負荷側に主幹ブレーカ１９の
入力側の端子１９′ａ〜１９′ｃが接続される。The inner unit fixing plate 2 is provided in the lower box 1 with mounting portions 14 and 14 ′ formed on the sides thereof and formed with mounting holes 12 and 13 which are overlapped on the opening edges and are aligned with the screw holes 7 and 8. Is housed. The inner unit fixing plate 2 of the embodiment includes a main unit unit 15,
It is composed of a branch unit 16. The main unit 15 has a substantially inverted U-shape as seen in FIG. 5 when viewed in plan, and the mounting portions 14 extend outward from both sides. The main unit 15 is provided with a main breaker mounting portion 1 on its bottom surface.
6 and electrical equipment mounting holes 17 are provided, and a branch unit connecting portion 18 is provided at the lower end of the bottom surface. A main breaker 19 is mounted on the main breaker mounting portion 16, and a metal mounting piece 20 is mounted on the electric device mounting hole 17. The mounting piece 20 is formed by bending the side plate 20b up and down, bending its tip outward, and engaging the edge of the electrical equipment mounting hole 17.
0c is formed, and is attached to a screw hole 20d formed at the edge of the electric device mounting hole 17 with a screw 20a through a hole formed in the engaging piece 20c. A wooden mounting plate 21 to which an electric device (not shown) such as a limiter is mounted is mounted on the inner bottom surface of the mounting piece 20. When a limiter or the like is mounted on the mounting plate 21, the input power supply line is connected to the electric equipment, and the input terminals 19'a to 19'c of the main breaker 19 are connected to the load side of the electric equipment. .
【００１３】また主幹ユニット部１５の上端部に保持枠
２２が設けられている。この保持枠２２は主幹ユニット
部１５の側板１５ａにヒンジ２３により保持枠２２の一
端の脚部２４が蝶着され、他端の脚部２５が高さ調整部
材２６を介して主幹ユニット部１５の底部にねじ２２ａ
によりねじ着されている。保持枠２２には係止立片５７
と取付孔５６とを形成している。A holding frame 22 is provided at the upper end of the main unit 15. This holding frame 22 has a leg 24 at one end of the holding frame 22 hinged to a side plate 15 a of the main unit 15 by a hinge 23, and a leg 25 at the other end of the main unit 15 via a height adjusting member 26. Screw 22a on the bottom
It is screwed by. A retaining piece 57 is provided on the holding frame 22.
And a mounting hole 56 are formed.
【００１４】つぎに分岐ユニット部１６は、図４に示す
ように、一対のフレーム２９と、フレーム２９の間に位
置するバー固定台３０と、下端側の取付部１４′からな
っている。フレーム２９は、縦長の矩形板からなり上下
端部に取付孔を有して上端部が連結ねじ３１により主幹
ユニット１５の連結部１８に取付けられている。フレー
ム２９の下端部は取付部１４′が連結ねじ３２により連
結されている。またバー固定台３０には図１０に示すよ
うに一対の電圧バー３８が縦姿勢で並設され、これらの
電圧バー３８の中間で電圧バー３８よりもバー固定台３
０に対して高い位置に中性バー３９が電圧バー３８と平
行に配設されている。４３（たとえば図７）は電圧バー
３８等を被覆するバーカバーであり、バー固定台３０の
固定爪３０ａ（図６）に抜止めされる。３０ｂはバー支
持部である。Next, as shown in FIG. 4, the branching unit 16 comprises a pair of frames 29, a bar fixing base 30 located between the frames 29, and a lower end mounting portion 14 '. The frame 29 is formed of a vertically long rectangular plate and has mounting holes at the upper and lower ends, and the upper end is attached to the connecting portion 18 of the main unit 15 by connecting screws 31. The lower end of the frame 29 is connected to the mounting portion 14 ′ by a connecting screw 32. As shown in FIG. 10, a pair of voltage bars 38 are arranged side by side on the bar fixing base 30 in a vertical position.
A neutral bar 39 is disposed at a position higher than 0 in parallel with the voltage bar 38. Reference numeral 43 (for example, FIG. 7) denotes a bar cover that covers the voltage bar 38 and the like, which is retained by the fixing claws 30a (FIG. 6) of the bar fixing base 30. 30b is a bar support.
【００１５】下箱１の開口縁の両側縁部に取付けられる
内器固定板２の取付部１４は、主幹ユニット部１５の側
板１５ａより延出した立上り部３３を有して、立上り部
３３より下箱１の開口縁上に延出し、開口縁の両側縁部
に係合している。また下箱１の開口縁の下縁部６に取付
けられる内器固定板２の取付部１４′は略Ｚ字形に折曲
されて一片で一対のフレーム２９を連結し、他片を開口
縁の下縁部６上に係合し、中間の段部を立上り部３３と
している。また取付部１４′には保持枠２２の固定部に
対向して上蓋４の固定部となる上蓋取付け用の係止立片
５７と取付孔５６とを形成している。The mounting portion 14 of the inner unit fixing plate 2 which is mounted on both side edges of the opening edge of the lower box 1 has a rising portion 33 extending from the side plate 15a of the main unit unit 15, and the rising portion 33 It extends over the opening edge of the lower box 1 and engages with both side edges of the opening edge. The mounting portion 14 'of the inner unit fixing plate 2 which is mounted on the lower edge 6 of the opening edge of the lower box 1 is bent in a substantially Z-shape to connect the pair of frames 29 in one piece and to connect the other piece to the opening edge. The middle step portion is engaged with the lower edge portion 6 to form a rising portion 33. Further, the mounting portion 14 'is formed with a locking piece 57 for mounting the upper lid and a mounting hole 56 which are to be fixed to the upper lid 4 so as to face the fixed portion of the holding frame 22.
【００１６】また取付部１４′の取付孔１３はねじ孔８
に整合する水平な長孔を実施例とし、孔１３に連続して
大径孔１３′を形成している。取付部１４の取付孔１２
はそれぞれ一対のねじ孔７に整合する一対の長孔である
が、取付孔１３を中心に内器固定板２が回動可能な傾斜
長孔１２ａ，１２ｂとしており、一対の取付孔１２は両
側縁部の中心に対して互いに対称に形成されている。傾
斜長孔１２ｂはこれに連続する大径孔１２′を形成して
いる。ねじ孔７，８に螺合されるねじ３４は図９に示す
ように、頭部が取付孔１２，１３の幅よりも小さい外形
を有し、首部に取付孔１２，１３の幅よりも大きい座金
３６を設けている。ねじ３５は、その頭部が傾斜長孔１
２ｂおよび孔１３の幅よりも大きいが大径孔１２′，１
３′の内径よりも小さい径を有している。内器固定板２
を下箱１に固定する場合に、予めねじ孔７，８にねじ３
４をねじ込み、ねじ３５は仮ねじしておいて、内器固定
板２の大径孔１２′，１３′をねじ３５の頭部に通すと
同時に、取付孔１３および傾斜長孔１２ａをねじ３４の
頭部に通して座金３６に載せ、取付孔１３および傾斜長
孔１２ａをねじ３４の頭部にガイドさせがら内器固定板
２を移動してねじ３５の頭部を取付孔１３および傾斜長
孔１２ｂに移動し、ねじ３５を締めつけ、固定する。図
８は仮止め状態であり、内器固定板２が傾斜しているの
で、ねじ３５を緩めた状態で内器固定板２を取付孔１３
を支点に回動してねじ３４，３５に対して傾斜長孔１２
ａ，１２ｂを移動させることにより内器固定板２を図７
のように正しい姿勢に直した状態で、ねじ３４，３５を
締付けて取付部１４を下箱１に取付ける。The mounting hole 13 of the mounting portion 14 'is a screw hole 8
In the embodiment, a large hole 13 ′ is formed continuously with the hole 13. Mounting hole 12 of mounting portion 14
Are a pair of long holes respectively aligned with the pair of screw holes 7, but are formed as oblique long holes 12a and 12b in which the inner unit fixing plate 2 can rotate around the mounting hole 13, and the pair of mounting holes 12 are on both sides. They are formed symmetrically with respect to the center of the edge. The oblong hole 12b forms a large-diameter hole 12 'continuous with the oblong hole 12b. As shown in FIG. 9, the screw 34 screwed into the screw holes 7, 8 has an outer shape whose head is smaller than the width of the mounting holes 12, 13 and has a neck portion larger than the width of the mounting holes 12, 13. A washer 36 is provided. The head of the screw 35 has an oblong slot 1
2b and holes 13 ', 1
It has a diameter smaller than the inner diameter of 3 '. Inner unit fixing plate 2
When fixing to the lower box 1, screw 3
4, the screw 35 is temporarily screwed, and the large-diameter holes 12 ', 13' of the inner unit fixing plate 2 are passed through the head of the screw 35, and at the same time, the mounting hole 13 and the inclined oblong hole 12a are screwed into the screw 34. Then, the inner unit fixing plate 2 is moved while the mounting hole 13 and the oblong elongated hole 12a are guided by the head of the screw 34 so that the head of the screw 35 is attached to the mounting hole 13 and the oblique length. After moving to the hole 12b, the screw 35 is tightened and fixed. FIG. 8 shows a temporarily fixed state, in which the inner unit fixing plate 2 is inclined.
Is pivoted on the fulcrum, and the oblong slot 12 is
a and 12b are moved to move the inner unit fixing plate 2 to the position shown in FIG.
Then, the screws 34 and 35 are tightened and the mounting portion 14 is mounted on the lower box 1 in a state where the posture is corrected as shown in FIG.
【００１７】分岐ブレーカ３は、内器固定板２に垂直方
向に複数並設されて各々の端子３ａ，３ｂ等が水平方向
に向いている。実施例では各フレーム２９にそれぞれ１
列に多数の分岐ブレーカ３が取付けられている。またフ
レーム２９の間のバー固定台３０の電圧バー３８および
中性バー３９と分岐ブレーカ３の入力側端子３ａ′，３
ｂ′とが接続され、また電圧バー３８および中性バー３
９の上端部と主幹ブレーカ１９の出力側の端子１９ａ〜
１９ａとが送りバー４０〜４２を介して接続されてい
る。この送りバー４０〜４２は図６に示すように平面的
に略Ｕ字形の帯状の導電板の両端を互いに反対向きに折
曲したもので、一端部４０ａ〜４２ａに段曲げ部４０ｃ
〜４２ｃを設けて一端部４０ａ〜４２ａと他端部４０ｂ
〜４２ｂとの高さを調整し、一端部４０ａ〜４２ａが主
幹ブレーカ１９の出力側の端子１９ａ〜１９ｃに接続さ
れ、他端部４０ｂ〜４２ｂが電圧バー３８および中性バ
ー３９の上端部に接続ねじ３８ａ，３９ａにより接続さ
れている。なお、３ａ，３ｂは分岐ブレーカ３の出力側
端子である。A plurality of branch breakers 3 are arranged in parallel in the vertical direction on the internal unit fixing plate 2, and each of the terminals 3a, 3b and the like is oriented in the horizontal direction. In the embodiment, each frame 29 has one
A number of branch breakers 3 are mounted in a row. Further, the voltage bar 38 and the neutral bar 39 of the bar fixing base 30 between the frames 29 and the input terminals 3 a ′ and 3 of the branch breaker 3.
b 'and is connected to the voltage bar 38 and the neutral bar 3
9 and the output terminals 19a to 19c of the main breaker 19.
19a is connected via feed bars 40-42. As shown in FIG. 6, the feed bars 40 to 42 are formed by bending both ends of a substantially U-shaped strip-shaped conductive plate in opposite directions to each other, and have step bending portions 40c at one ends 40a to 42a.
To 42c and one end 40a to 42a and the other end 40b.
, And one end 40a-42a is connected to the output terminal 19a-19c of the main breaker 19, and the other end 40b-42b is connected to the upper end of the voltage bar 38 and the neutral bar 39. They are connected by connection screws 38a and 39a. 3a and 3b are output terminals of the branch breaker 3.
【００１８】上蓋４は、分岐ブレーカ３の操作ハンドル
４４を突出させる窓孔（図示せず）を有して下箱１の開
口を開閉可能に内器固定板２に取着される。実施例の上
蓋４は合成樹脂製であり窓孔を開閉する扉４ａを有し、
また上蓋４は取付具５８を有して取付孔５６および係止
立片５７に取付けられている。この取付具５８は図１４
に示すように上蓋４に取付けた水平軸５９と、この水平
軸５９に回動自在に取付けられた操作レバー６０と、操
作レバー６０の裏面側に取付けられたフック状の抜止め
片６１と、係止立片５７に係合する係止孔６２とを有す
る。図１４の想像線のように、操作レバー６０を開いた
状態で係止孔６０を係止立片５７に嵌合し、操作レバー
６０を閉じることにより抜止め片６１が取付孔５６に進
入し、抜止め片６１の先端のかぎ部６１ａが取付孔５６
の孔縁部の裏面側に係止して抜止め状態となり、これに
より取付状態となる。６０ａは操作レバー６０の閉じ状
態を保持する係止フックであり、上蓋４に形成した係止
孔６０ａ′に係脱自在に弾性係止する。６０ｂは操作レ
バー６０の閉じ位置を規制するストッパである。The upper lid 4 has a window (not shown) through which the operating handle 44 of the branch breaker 3 projects, and is attached to the inner unit fixing plate 2 so that the opening of the lower box 1 can be opened and closed. The upper lid 4 of the embodiment is made of synthetic resin and has a door 4a for opening and closing a window hole.
The upper lid 4 has an attachment 58 and is attached to the attachment hole 56 and the locking piece 57. This attachment 58 is shown in FIG.
, A horizontal shaft 59 attached to the upper lid 4, an operation lever 60 rotatably attached to the horizontal shaft 59, a hook-shaped stopper piece 61 attached to the back side of the operation lever 60, And a locking hole 62 that engages with the locking piece 57. As shown by the imaginary line in FIG. 14, the locking hole 60 is fitted to the locking piece 57 with the operating lever 60 opened, and the locking piece 61 enters the mounting hole 56 by closing the operating lever 60. The key 61a at the tip of the retaining piece 61 is attached to the mounting hole 56.
Is locked to the back surface side of the hole edge portion, and becomes a retaining state, and thereby becomes an attached state. Reference numeral 60a denotes a locking hook for holding the closed state of the operation lever 60, which is elastically and removably locked in a locking hole 60a 'formed in the upper lid 4. Reference numeral 60b denotes a stopper that regulates the closing position of the operation lever 60.
【００１９】この実施例によれば、壁１０の柱（図示せ
ず）間に下箱１を配設し、内器固定板２に複数の分岐ブ
レーカ３を垂直方向に並設されるように配設し、その内
器固定板２の取付孔１２，１３を下箱１のねじ孔７，８
に整合させてねじ３４，３５によって取付け、さらに内
器固定板２に上蓋４を取付ける。このため、分岐回路数
が増加しても、垂直方向に分岐ブレーカ３を増加して配
設することができ、下箱１の水平方向を広くしないの
で、壁１０内に埋設するときに柱を削る必要が少なく、
埋設作業が容易となるとともに、下箱１の壁の奥行き方
向に対する距離がずれても上蓋４を取着することが容易
となる。According to this embodiment, the lower box 1 is arranged between the pillars (not shown) of the wall 10, and the plurality of branch breakers 3 are arranged on the inner unit fixing plate 2 in the vertical direction. The mounting holes 12, 13 of the inner unit fixing plate 2 are screw holes 7, 8 of the lower box 1.
Then, the upper cover 4 is attached to the inner unit fixing plate 2 by screws 34 and 35. Therefore, even if the number of branch circuits increases, the number of branch breakers 3 can be increased in the vertical direction, and the horizontal direction of the lower box 1 is not widened. There is little need to sharpen,
The embedding work becomes easy, and even if the distance to the depth direction of the wall of the lower box 1 is shifted, the upper lid 4 can be easily attached.
【００２０】また下箱１の上縁部の側壁に入出線部９′
を設けたため、入出線部９′を通して通線することによ
り内器取付板２の取付部１４′と重ならないので、電線
導体の入出配線作業のときに、内器取付板２の取付部１
４′が邪魔にならず、もって電線導体の入出配線作業が
容易となる。さらに下縁部６のねじ孔８に整合する取付
孔１３を長孔とし、両側縁部のねじ孔７に整合する取付
孔１２を取付孔１３を中心に回転可能な傾斜長孔とした
ため、下縁部６のねじ孔８に内器固定板２の長孔を重ね
合わせてねじ３５の頭部を取付孔１３に当接させないよ
うにねじ３４をねじ孔７に螺合させた仮固定状態で、傾
斜長孔の取付孔１２を下箱１のねじ孔７に整合させてね
じ３５により固定することができるので、下箱１に対す
る内器固定板２の位置合わせが容易にできる。The input / output line portion 9 'is provided on the side wall of the upper edge of the lower box 1.
Is provided, the wire does not overlap with the mounting portion 14 'of the internal unit mounting plate 2 by passing through the input / output line portion 9'.
4 'does not become an obstacle, thereby facilitating the work of inputting and outputting the electric wire conductor. Further, the mounting holes 13 aligned with the screw holes 8 of the lower edge 6 are elongated holes, and the mounting holes 12 aligned with the screw holes 7 on both side edges are inclined oblong holes rotatable about the mounting hole 13. In the temporary fixing state, the screw 34 is screwed into the screw hole 7 so that the long hole of the inner unit fixing plate 2 is overlapped with the screw hole 8 of the edge 6 so that the head of the screw 35 does not contact the mounting hole 13. Since the mounting hole 12 of the oblong hole can be aligned with the screw hole 7 of the lower box 1 and fixed by the screw 35, the positioning of the inner unit fixing plate 2 with respect to the lower box 1 can be easily performed.
【００２１】また、配線の電線導体（図示せず）を下箱
１の一側板の入出線部９，９′から挿入し、その後内器
固定板２に保持枠２２を取付けるので、配線作業が容易
であるとともに、配線を保持枠２２と下箱１の底板また
は内器固定板２の底板との間に保持し、上蓋４を配線と
は反対側の下箱１の開口側となる保持枠２２の固定部の
係止舌片５７および取付孔５６に固定するので、配線が
撓んでも保持枠２２で浮上りが規制されて上蓋４が押し
上げられるおそれが少なく、もって上蓋４を安定した状
態で取付けることができる。In addition, since wire conductors (not shown) for wiring are inserted from the input / output wire portions 9 and 9 'of one side plate of the lower box 1, and then the holding frame 22 is attached to the inner unit fixing plate 2, so that wiring work can be performed. It is easy and the wiring is held between the holding frame 22 and the bottom plate of the lower box 1 or the bottom plate of the internal unit fixing plate 2, and the upper lid 4 is on the opening side of the lower box 1 opposite to the wiring. Since the fixing tongue piece 57 and the mounting hole 56 of the fixing portion 22 are fixed, even if the wiring is bent, the lifting is restricted by the holding frame 22 and the upper lid 4 is less likely to be pushed up, so that the upper lid 4 is in a stable state. Can be installed with
【００２２】しかも保持枠２２の一端が蝶着され、他端
がねじ着されているため、保持枠２２の一端を中心とし
て保持枠２２を回転させて他端を開放した状態で電線導
体をブレーカに接続した後に、他端をねじ着することに
よって保持枠２２を固定し、この保持枠２２の固定部に
上蓋４を固定することができ、保持枠２２の取着作業が
容易となる。Furthermore, since one end of the holding frame 22 is hinged and the other end is screwed, the holding frame 22 is rotated about one end of the holding frame 22 to break the wire conductor with the other end opened. After the connection, the holding frame 22 is fixed by screwing the other end, and the upper lid 4 can be fixed to the fixing portion of the holding frame 22, so that the attachment operation of the holding frame 22 is facilitated.
【００２３】また、送りバー４０〜４２を略Ｕ字平面形
の長板により形成し、Ｕ字部を中央部として両端を板厚
方向に互いに反対向きに折曲したため、分岐ブレーカ３
の側面に配設される送りバー４０〜４２の中央部が、長
板の厚み方向に配設されるので、主幹ブレーカ１９およ
び分岐ブレーカ３間を狭くすることができ、小型化が図
れる。Further, since the feed bars 40 to 42 are formed of substantially U-shaped flat long plates, and both ends are bent in opposite directions in the plate thickness direction with the U-shaped portion as the center, the branch breaker 3 is formed.
Since the central portions of the feed bars 40 to 42 disposed on the side surfaces of the main plate are disposed in the thickness direction of the long plate, the space between the main breaker 19 and the branch breaker 3 can be reduced, and the size can be reduced.
【００２４】また送りバー４０〜４２は少なくとも２本
並設したものであり、隣合う送りバー４０〜４２の一端
部４０ａ〜４２ａ同志および他端部４０ｂ〜４２ｂ同志
がそれぞれ互いに平行に配置され、中央部が互いに反対
向きとなっているため、送りバー４０〜４２の各一端部
４０ａ〜４２ａを主幹ブレーカ１９に接続したときに、
送りバー４０〜４２の中央部が互いに反対向きに折曲さ
れることとなるので、一方の送りバーの中央部および他
方の送りバーの中央部間の距離を狭めることなく相互間
の絶縁を確保しながら、送りバー４０〜４２全体の中央
部の高さを低減できる。At least two feed bars 40 to 42 are arranged side by side, and one end portions 40a to 42a and the other end portions 40b to 42b of adjacent feed bars 40 to 42 are respectively arranged in parallel with each other. Since the central portions are opposite to each other, when one end portions 40a to 42a of the feed bars 40 to 42 are connected to the main breaker 19,
Since the center portions of the feed bars 40 to 42 are bent in opposite directions, insulation between the center portions of one feed bar and the center portion of the other feed bar is secured without reducing the distance between them. However, the height of the central portion of the entire feed bars 40 to 42 can be reduced.
【００２５】さらに送りバー４０〜４２の一端部４０ａ
〜４２ａは、中央部側に折曲された段曲げ部４０ｃ〜４
２ｃを有するため、送りバー４０〜４２の中央部の高さ
を低減でき、下箱１の奥行き方向における送りバー４０
〜４２の寸法が小さくなり、さらに小型化が図れる。内
器固定板２に電気機器取付穴１７を穿ち、この電気機器
取付穴１７の縁部に取付けられる取付部２０ｃを有する
取付片２０を電気機器取付穴１７に挿入し、取付片２０
に木板２１を取着したため、高さ方向の異なる取付片２
０を用意し、電気機器取付穴１７に挿入する取付片２０
を選択することにより、高さの異なる各種電気機器に対
応することができる。Further, one end 40a of the feed bars 40 to 42
To 42a are step bent portions 40c to 4 bent toward the center.
2c, the height of the central portion of the feed bars 40 to 42 can be reduced, and the feed bars 40 in the depth direction of the lower box 1 can be reduced.
The size of ~ 42 is reduced, and the size can be further reduced. An electric device mounting hole 17 is drilled in the inner unit fixing plate 2, and a mounting piece 20 having a mounting portion 20 c to be mounted on an edge of the electric device mounting hole 17 is inserted into the electric device mounting hole 17.
Mounting plate 2 having different heights
0 and a mounting piece 20 to be inserted into the electrical equipment mounting hole 17.
By selecting, various electric devices having different heights can be supported.
【００２６】なお、この実施例では主幹ブレーカ１９は
内器固定板２に固定されているが、この発明において主
幹ブレーカ１９は内器固定板２と別に設けられてもよ
い。また実施例ではねじ８を下箱１の下縁部６に設けた
が、上縁部に設けてもよい。Although the main breaker 19 is fixed to the internal unit fixing plate 2 in this embodiment, the main breaker 19 may be provided separately from the internal unit fixing plate 2 in the present invention. In the embodiment, the screw 8 is provided on the lower edge 6 of the lower box 1, but may be provided on the upper edge.
【００２７】[0027]
【発明の効果】請求項１の分電盤によれば、壁の柱間に
下箱を配設し、内器固定板に複数の分岐ブレーカを垂直
方向に並設されるように配設し、その内器固定板の取付
孔を下箱のねじ孔に整合させてねじによって取付け、さ
らに内器固定板に上蓋を取付ける。このため、分岐回路
数が増加しても、垂直方向に分岐ブレーカを増加して配
設することができ、下箱の水平方向を広くしないので、
壁内に埋設するときに柱を削る必要が少なく、埋設作業
が容易となるとともに、下箱の壁の奥行き方向に対する
距離がずれても上蓋を取着することが容易となるという
効果がある。According to the power distribution board of the first aspect, the lower box is disposed between the pillars of the wall, and the plurality of branch breakers are disposed on the inner unit fixing plate so as to be arranged in a vertical direction. Then, the mounting holes of the inner unit fixing plate are aligned with the screw holes of the lower box, and the inner unit fixing plate is attached with screws. Therefore, even if the number of branch circuits increases, the number of branch breakers can be increased in the vertical direction, and the lower box is not widened in the horizontal direction.
When burying in the wall, there is little need to grind the pillars, so that the burying operation is easy, and even if the distance of the lower box in the depth direction of the wall is shifted, it is easy to attach the upper lid.
【００２８】請求項２の分電盤によれば、請求項１にお
いて、前記下箱の前記上下縁部の他方の側壁に入出線部
を設けたため、請求項１の効果のほか、入出線部が内器
取付板の取付部と重ならないので、電線導体の入出配線
作業のときに、内器取付板の取付部が邪魔にならず、も
って電線導体の入出配線作業が容易となる。請求項３の
分電盤によれば、請求項１または請求項２において、前
記上下縁部の一方のねじ孔に整合する前記取付孔を長孔
とし、前記両側縁部のねじ孔に整合する前記取付孔を前
記長孔を中心に回動可能な傾斜長孔としたため、請求項
１または請求項２の効果のほか、前記上下縁部の一方の
ねじ孔に内器固定板の長孔を重ね合わせてねじの頭部を
長孔に当接させないようにねじをねじ孔に螺合させた仮
固定状態で、傾斜長孔を下箱のねじ孔に整合させてねじ
により固定することができるので、下箱に対する内器固
定板の位置合わせが容易にできる。According to the power distribution board of claim 2, in claim 1, the input / output line portion is provided on the other side wall of the upper and lower edges of the lower box. Does not overlap with the mounting part of the inner unit mounting plate, so that the mounting part of the inner unit mounting plate does not interfere with the wiring operation of the wire conductor, thereby facilitating the wiring operation of the wire conductor. According to the distribution board of claim 3, in claim 1 or claim 2, the mounting hole matching one of the screw holes of the upper and lower edges is an elongated hole, and is matched with the screw holes of the both side edges. Since the mounting hole is an oblong hole that can rotate about the long hole, in addition to the effects of claim 1 or 2, a long hole of the internal unit fixing plate is provided in one of the screw holes on the upper and lower edges. In the temporary fixing state where the screw is screwed into the screw hole so that the head of the screw does not abut on the long hole by overlapping, the oblique long hole can be aligned with the screw hole of the lower box and fixed with the screw Therefore, the positioning of the inner unit fixing plate with respect to the lower box can be easily performed.
【図１】この発明の一実施例の分解斜視図である。FIG. 1 is an exploded perspective view of an embodiment of the present invention.
【図２】上蓋で下箱を閉じた状態の斜視図である。FIG. 2 is a perspective view showing a state in which a lower box is closed by an upper lid.
【図３】上蓋を外した状態の正面図である。FIG. 3 is a front view of a state in which an upper lid is removed.
【図４】主幹ユニット部および分岐ユニット部を示す斜
視図である。FIG. 4 is a perspective view showing a main unit unit and a branch unit unit.
【図５】内器固定板の主幹ユニット部を示す分解斜視図
である。FIG. 5 is an exploded perspective view showing a main unit of the inner unit fixing plate.
【図６】主幹ブレーカとバー接続台と送りバーとを示す
分解斜視図である。FIG. 6 is an exploded perspective view showing a main breaker, a bar connection table, and a feed bar.
【図７】バーカバーを取付けた状態の正面図である。FIG. 7 is a front view showing a state where a bar cover is attached.
【図８】内器固定台の仮取付状態の正面図である。FIG. 8 is a front view of the inner unit fixing stand in a temporarily attached state.
【図９】取付部の断面図である。FIG. 9 is a sectional view of a mounting portion.
【図１０】送りバーの接続状態を示す正面図である。FIG. 10 is a front view showing a connection state of a feed bar.
【図１１】図１０のＡ−Ａ線断面図である。FIG. 11 is a sectional view taken along line AA of FIG. 10;
【図１２】送りバーと分岐ブレーカの接続部の部分拡大
図である。FIG. 12 is a partially enlarged view of a connection portion between a feed bar and a branch breaker.
【図１３】下箱を壁に埋設した状態の部分断面図であ
る。FIG. 13 is a partial sectional view of a state where the lower box is embedded in a wall.
【図１４】上蓋の取付構造の断面図である。FIG. 14 is a sectional view of a mounting structure of the upper lid.
１ 下箱 ２ 内器固定台 ３ 分岐ブレーカ ３ａ′，３ｂ′入力側の端子 ４ 上蓋 ５ 両側縁部 ６ 下縁部 ７，８ ねじ孔 ９ 入出線部 １２，１３ 取付孔 １４，１４′ 取付部 ３４，３５ ねじ ４４ 操作ハンドル DESCRIPTION OF SYMBOLS 1 Lower box 2 Inner unit fixing stand 3 Branch breaker 3a ', 3b' Input side terminal 4 Upper lid 5 Both side edges 6 Lower edge 7,8 Screw hole 9 I / O wire 12,13 Mounting hole 14,14 'Mounting portion 34, 35 Screw 44 Operation handle
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02B 1/40 - 1/42 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) H02B 1/40-1/42
Claims (3)
の一方にねじ孔を形成した壁取付用の下箱と、前記開口
縁に重ねられて前記ねじ孔に整合する取付孔を形成した
取付部を側部に有して前記下箱内に収容された内器固定
板と、前記取付孔を通し前記ねじ孔に螺合して前記取付
部を前記下箱に取付けるねじと、前記内器固定板に垂直
方向に複数並設されて各々の端子が水平方向に向いた分
岐ブレーカと、これらの分岐ブレーカの操作ハンドルを
突出させる窓孔を有して前記下箱の開口を開閉可能に前
記内器固定板に取着される上蓋とを備えた分電盤。1. A wall mounting lower box having a threaded hole formed at one of both side edges and one of upper and lower edges of an opening edge, and a mounting formed with a mounting hole which is overlapped with the opening edge and is aligned with the screw hole. An inner unit fixing plate housed in the lower box having a portion on a side portion, a screw passing through the mounting hole and screwing into the screw hole to mount the mounting portion to the lower box, A plurality of branch breakers vertically arranged on the fixing plate, each terminal of which is oriented in the horizontal direction, and a window hole for projecting the operation handles of these branch breakers, so that the opening of the lower box can be opened and closed. A distribution board comprising an upper lid attached to an inner unit fixing plate.
入出線部を設けた請求項１記載の分電盤。2. The distribution board according to claim 1, wherein an input / output line is provided on the other side wall of the upper and lower edges of the lower box.
前記取付孔を長孔とし、前記両側縁部のねじ孔に整合す
る前記取付孔を前記長孔を中心に回動可能な傾斜長孔と
した請求項１または請求項２記載の分電盤。3. The mounting hole, which is aligned with one of the screw holes on the upper and lower edges, is an elongated hole, and the mounting hole, which is aligned with the screw holes on both side edges, is rotatable about the elongated hole. The distribution board according to claim 1 or 2, wherein the distribution board is a long hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28763394A JP3179983B2 (en) | 1994-11-22 | 1994-11-22 | Switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28763394A JP3179983B2 (en) | 1994-11-22 | 1994-11-22 | Switchboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08149616A JPH08149616A (en) | 1996-06-07 |
| JP3179983B2 true JP3179983B2 (en) | 2001-06-25 |
Family
ID=17719763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28763394A Expired - Fee Related JP3179983B2 (en) | 1994-11-22 | 1994-11-22 | Switchboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3179983B2 (en) |
-
1994
- 1994-11-22 JP JP28763394A patent/JP3179983B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08149616A (en) | 1996-06-07 |
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