JP3456142B2 - Joint box - Google Patents

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、電源線を分岐する
ために用いられるジョイントボックスに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint box used for branching a power line.

【０００２】[0002]

【従来の技術】近年、オフィスビルなどにおいては、床
下スラブ等の床面の上に適宜間隔をおいて新たに床面を
形成し（以下、このように形成された床をフリーアクセ
スフロアと呼ぶ）、フリーアクセスフロア内（つまり
は、建物の床面と新たに形成された床面との間の空間）
に設けた溝を利用して屋内配線を行う床配線システムが
多く採用されている。この床配線システムは、図６に示
すように、複数のコンセントＣを床に埋設するととも
に、床上に複数のコンセント等の配線器具Ｈ，Ｉを配置
する。ここで、上記配線器具Ｈ，Ｉの電源コードは分界
ボックスＤで床下に引き込まれる。上記コンセントＣと
配線器具Ｈ，Ｉの電源コードの先端にはハーネスプラグ
Ａが取り付けられており、幹線Ｌ０を分岐するジョイン
トボックスＢ’や、ジョイントボックスＪによって分岐
された分岐回路Ｌ’をさらに分岐するジョイントボック
スＢ’に上記ハーネスプラグＡを接続して、床配線を自
在に行うものである。なお、幹線Ｌ０や分岐回路Ｌ’を
分岐するジョイントボックスＢ’は、電源の幹線Ｌ０や
分岐回路Ｌ’などが速結式で接続される電源線接続部を
備えるとともに、ハーネスプラグＡが着脱自在に接続さ
れる分岐線接続部を備えるものである。また、単に電源
線を配線器具Ｈ，Ｉなどに接続したり、あるいは電源ラ
インを延長したりする場合には電源供給側にハーネスプ
ラグＡの受け側となるハーネスコネクタを取り付けると
ともに、他方にハーネスプラグＡを取り付ければ良い。2. Description of the Related Art In recent years, in office buildings and the like, new floor surfaces are formed on a floor surface such as an underfloor slab at appropriate intervals (hereinafter, the floor thus formed is called a free access floor). ), Inside the free-access floor (that is, the space between the floor of the building and the newly formed floor)
Many floor wiring systems are used to perform indoor wiring using the grooves provided in. In this floor wiring system, as shown in FIG. 6, a plurality of outlets C are buried in the floor, and wiring equipments H and I such as a plurality of outlets are arranged on the floor. Here, the power cords of the wiring devices H and I are pulled under the floor by the demarcation box D. A harness plug A is attached to the ends of the power cords of the outlet C and the wiring devices H and I, and further branches a joint box B ′ that branches the trunk line L0 and a branch circuit L ′ that is branched by the joint box J. The above-mentioned harness plug A is connected to the joint box B'for performing floor wiring freely. The joint box B'branching the trunk line L0 and the branch circuit L'is equipped with a power supply line connecting portion to which the power supply trunk line L0, the branch circuit L ', etc. are connected in a quick connection manner, and the harness plug A is detachable. And a branch line connecting portion connected to the. Further, when the power line is simply connected to the wiring equipment H, I, or the power line is extended, the harness connector which is the receiving side of the harness plug A is attached to the power supply side and the harness plug is attached to the other side. Just attach A.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら従来のジ
ョイントボックスでは、電源線を接続するために、鎖錠
ばねのばね力により鎖錠ばねと端子板との間で電源線を
挟持する所謂速結端子部を備えており、この速結端子部
から電源線を取り外す際に、鎖錠ばねを端子板から離れ
る方向に押圧して、速結端子部と電源線との係合状態を
解除するための解除釦はハウジングの内部に配設されて
いた。そのため、解除釦をハウジングの外側から直接操
作することができず、電源線の取外しに手間がかかると
いう問題があった。またジョイントボックスには内部回
路部や電気的特性や分岐線の用途などの情報が表示され
ていないので、配線作業時やメンテナンス時に配線図な
どから各種情報を読み取らねばならず、作業性が悪いと
いう問題もあった。However, in the conventional joint box, in order to connect the power supply line, the so-called quick-connect terminal in which the power supply line is sandwiched between the locking spring and the terminal plate by the spring force of the locking spring. When the power supply line is removed from the quick connect terminal part, the locking spring is pressed in a direction away from the terminal plate to release the engagement state between the quick connect terminal part and the power supply line. The release button was arranged inside the housing. Therefore, there is a problem that the release button cannot be operated directly from the outside of the housing, and it takes time to remove the power line. In addition, the joint box does not display information such as internal circuit parts, electrical characteristics, and uses of branch lines, so various information must be read from the wiring diagram during wiring work and maintenance, and workability is poor. There was also a problem.

【０００４】本発明は上記問題点に鑑みて為されたもの
であり、その目的とするところは、配線時の作業性を向
上させたジョイントボックスを提供するにある。The present invention has been made in view of the above problems, and an object thereof is to provide a joint box with improved workability during wiring.

【０００５】[0005]

【課題を解決するための手段】上記目的を達成するため
に、請求項１の発明では、電源線の芯線を端子板と鎖錠
ばねとの間に挟持する速結端子部からなる電源線接続部
と、前記電源線接続部に電気的に接続されるとともに、
ハーネスプラグの前面に形成された凹部内に嵌合され、
ハーネスプラグの凹部内に突出する栓刃を挿入する栓刃
挿入口が前面に形成され、内装する栓刃受け部で栓刃を
挟持する分岐線接続部とをハウジングに配設し、押操作
時に鎖錠ばねを端子板から離れる方向に押圧する解除釦
が鎖錠ばねに対応する電源線接続部の部位に回動自在に
配置され、解除釦の操作部は手操作可能な大きさに形成
されて、ハウジングの表面に露出しているので、特別な
工具を用いることなく解除釦の操作部を操作して電線の
接続状態を容易に解除することができる。 In order to achieve the above-mentioned object, in the invention of claim 1, a power supply line connection comprising a quick-connect terminal portion for sandwiching a core wire of the power supply line between a terminal plate and a locking spring. Part, while being electrically connected to the power supply line connection part,
Fitted in the recess formed in the front of the harness plug,
The blade insertion slot for inserting the blade protruding into the concave portion of the harness plug is formed on the front surface, and the branch wire connection part for sandwiching the blade with the internal blade receiving part is arranged in the housing and pushed.
A release button that sometimes pushes the locking spring away from the terminal board
Can be freely rotated to the part of the power line connection that corresponds to the lock spring.
It is arranged, and the operation part of the release button is formed in a size that can be operated manually.
Is exposed on the surface of the housing,
Operate the operation part of the release button without using a tool to
The connected state can be easily released.

【０００６】請求項２の発明では、請求項１の発明にお
いて、解除釦は、ハウジングの内周面に設けられた係合
凹所と係合する支点突起と、鎖錠ばねと当接する押圧突
起とを有し、操作部の押操作により支点突起を支点とし
て回動し、押圧突起が鎖錠ばねを端子板から離れる方向
に押圧しているので、てこの原理により少ない操作力で
速結端子部と電線との接続状態を解除できる。請求項３
の発明では、請求項１の発明において、ハウジングの表
面に電気配線に必要な情報を表示する表示部を設けてい
るので、表示部の表示から電気配線に必要な情報を読み
取ることができ、配線作業の作業性が向上する。 According to a second aspect of the invention, in the first aspect of the invention, the release button is an engagement button provided on the inner peripheral surface of the housing.
A fulcrum protrusion that engages with the recess and a pressing protrusion that abuts the lock spring.
It has an origin and the fulcrum protrusion is used as a fulcrum by pushing the operation part.
The locking projection spring separates from the terminal plate.
Since it is pressed against, it requires less operating force due to the lever principle.
The connection between the quick-connect terminal and the wire can be released. Claim 3
In the invention of claim 1, in the invention of claim 1, the table of the housing
The surface is provided with a display section that displays information necessary for electrical wiring.
Read the information required for electrical wiring from the display on the display.
Therefore, the workability of wiring work is improved.

【０００７】請求項４の発明では、請求項１の発明にお
いて、電源線接続部の端子板と分岐線接続部の栓刃受け
部とを連結して電気的に接続する連結部材をハウジング
内に収めているので、端子板と栓刃受け部との間の配線
を無くして、内部配線の手間をなくすことができる。請
求項５の発明では、請求項４の発明において、分岐線接
続部がハウジングの対向する２面の一側に形成された場
合において、各分岐線接続部の栓刃受け部同士を一体に
連結した刃受ばね体を形成し、刃受ばね体を入れ換え自
在な共通形状に形成しているので、部品点数を減らすこ
とができる。According to a fourth aspect of the present invention, in the first aspect of the present invention, a connecting member for connecting the terminal plate of the power source line connecting portion and the blade receiving portion of the branch line connecting portion to electrically connect them is provided inside the housing. Since it is housed, the wiring between the terminal plate and the blade receiving portion can be eliminated, and the trouble of internal wiring can be eliminated. According to the invention of claim 5, in the invention of claim 4, when the branch line connecting portions are formed on one side of two opposing surfaces of the housing, the blade receiving portions of the respective branch line connecting portions are integrally connected. Since the blade receiving spring body is formed and the blade receiving spring body is formed in a common shape that can be replaced, the number of parts can be reduced.

【０００８】請求項６の発明では、請求項１の発明にお
いて、分岐線接続部は、電源線接続部と略平行な方向に
設けられており、請求項７の発明では、略直方体状のハ
ウジングの対向する二面の略中央に電源線接続部をそれ
ぞれ設けるとともに、前記二面の電源線接続部の両側の
部位にそれぞれ一対の分岐線接続部を設けているので、
分岐線を電源線と略平行な方向に引き出すことができ
る。According to the invention of claim 6, in the invention of claim 1, the branch line connecting portion is provided in a direction substantially parallel to the power supply line connecting portion, and in the invention of claim 7, a substantially rectangular parallelepiped housing. Since the power supply line connecting portions are respectively provided at substantially the centers of the two surfaces facing each other, a pair of branch line connecting portions are provided at both sides of the power supply line connecting portions on the two surfaces,
The branch line can be pulled out in a direction substantially parallel to the power line.

【０００９】請求項８の発明では、請求項１の発明にお
いて、分岐線接続部は、電源線接続部と略直交する方向
に設けられており、請求項９の発明では、略直方体状の
ハウジングの対向する二面に電源線接続部をそれぞれ設
けるとともに、前記二面をつなぐ対向する二面にそれぞ
れ一対の分岐線接続部を設けているので、分岐線を電源
線と略直交する方向に引き出すことができる。According to the invention of claim 8, in the invention of claim 1, the branch line connecting portion is provided in a direction substantially orthogonal to the power supply line connecting portion, and in the invention of claim 9, a substantially rectangular parallelepiped housing. Since the power supply line connecting portions are provided on the two opposing surfaces of the pair and the pair of branch line connecting portions are provided on the two opposing surfaces that connect the two surfaces, the branch lines are pulled out in a direction substantially orthogonal to the power source line. be able to.

【００１０】請求項１０の発明では、請求項１の発明に
おいて、ハーネスプラグに設けられた抜け止め用の爪と
係止離脱自在に係止する凹条を分岐線接続部の側面に設
けているので、ハーネスプラグの爪と凹条とを係止させ
ることにより、ハーネスプラグの抜け止めを行うことが
できる。請求項１１の発明では、請求項１の発明におい
て、分岐線接続部の側面に逆差しあるいは定格や用途の
異なるハーネスプラグが接続されるのを防止する誤接続
防止部を備えているので、逆差しあるいは定格や用途の
異なるハーネスプラグが接続されることがなく、誤接続
を防止できる。According to a tenth aspect of the present invention, in the first aspect of the present invention, a recessed line that engages with the retaining plug provided on the harness plug and is detachably engaged is provided on the side surface of the branch line connecting portion. Therefore, it is possible to prevent the harness plug from coming off by locking the claw of the harness plug and the concave line. According to the invention of claim 11, in the invention of claim 1, since the side surface of the branch line connecting portion is provided with an erroneous connection preventing portion for preventing a reverse connection or a harness plug having a different rating or connection from being connected, a reverse connection In addition, harness plugs with different ratings and uses are not connected, and erroneous connection can be prevented.

【００１１】請求項１２の発明では、請求項１の発明に
おいて、造営材に固定する固定部材挿通用の貫通孔をハ
ウジングの中央に設けているので、貫通孔に挿通した固
定部材によりハウジングを造営材に固定することがで
き、しかもハウジングの中央に貫通孔を設けているの
で、ハウジングの外周に貫通孔を設ける場合に比べてハ
ウジングの外寸を小さくできる。According to the twelfth aspect of the present invention, in the first aspect of the present invention, since the through hole for inserting the fixing member to be fixed to the building material is provided in the center of the housing, the housing is constructed by the fixing member inserted into the through hole. Since the through hole can be fixed to the material and the through hole is provided in the center of the housing, the outer size of the housing can be reduced as compared with the case where the through hole is provided on the outer circumference of the housing.

【００１２】請求項１３の発明では、請求項１の発明に
おいて、分岐線接続部に形成された栓刃挿入口に嵌めて
取り付ける第１の防塵カバーを備えているので、不使用
時に栓刃挿入口からハウジングの内部に塵などが侵入す
るのを防止できる。請求項１４の発明では、請求項１の
発明において、電源線接続部の電線挿入口に嵌めて取り
付ける第２の防塵カバーを備えているので、不使用時に
電線挿入口からハウジングの内部に塵などが侵入するの
を防止できる。According to a thirteenth aspect of the present invention, in the first aspect of the present invention, since the first dustproof cover is fitted and attached to the plug blade insertion opening formed in the branch line connecting portion, the blade insert when not in use. Dust can be prevented from entering the inside of the housing through the mouth. According to a fourteenth aspect of the present invention, in the first aspect of the present invention, the second dustproof cover is fitted and attached to the electric wire insertion port of the power supply line connecting portion. Can be prevented from entering.

【００１３】請求項１５の発明では、請求項１４の発明
において、第２の防塵カバーに電線挿入口に嵌め込んで
取り付けるための嵌め込み突起を形成しているので、簡
単な構成で第２の防塵カバーを取り付けることができ
る。請求項１６の発明では、請求項１５の発明におい
て、嵌め込み突起の外周部に複数のリブを設け、該リブ
を電線挿入口の内壁に圧接しているので、リブを電線挿
入口の内壁に圧接することにより第２の防塵カバーを外
れにくくできる。According to the invention of claim 15, in the invention of claim 14, since the second dust-proof cover is formed with a fitting projection for fitting and fitting in the wire insertion port, the second dust-proof structure is simple. A cover can be attached. According to a sixteenth aspect of the invention, in the fifteenth aspect of the invention, a plurality of ribs are provided on the outer peripheral portion of the fitting protrusion, and the ribs are pressed against the inner wall of the wire insertion opening. Therefore, the ribs are pressed against the inner wall of the wire insertion opening. By doing so, the second dustproof cover can be prevented from coming off easily.

【００１４】請求項１７の発明では、請求項１の発明に
おいて、造営材に固定されるとともにハウジングを載置
する基台部と、ハウジングを覆うようにして前記基台部
に着脱自在に取り付けられるカバー部とからなる取付部
材を介して造営材に固定されており、ハウジングは造営
材に固定された取付部材に取り付けられるので、一旦取
り外したハウジングを再度取り付ける際に位置決めを行
う手間をなくすことができる。According to a seventeenth aspect of the present invention, in the first aspect of the present invention, a base portion fixed to the construction material and on which the housing is mounted, and a detachable mount to the base portion so as to cover the housing. Since the housing is fixed to the building material via the mounting member consisting of the cover part and the housing is mounted to the mounting member fixed to the building material, it is possible to eliminate the trouble of positioning when the housing once removed is remounted. it can.

【００１５】請求項１８の発明では、請求項３の発明に
おいて、表示部は、内部回路図を表示する回路表示部か
らなっているので、内部回路の回路図を容易に判別でき
る。 The invention of claim 18 is the same as that of claim 3.
The display unit is a circuit display unit that displays the internal circuit diagram.
The internal circuit schematic can be easily identified.
It

【００１６】請求項１９の発明では、請求項３の発明に
おいて、表示部は、分岐線接続部や電源線接続部の用途
や名称を表示する名称表示部からなっているので、分岐
線接続部や電源線接続部の用途や名称を容易に判別でき
る。 The invention of claim 19 provides the invention of claim 3
In addition, the display part is used for the branch line connection part and the power line connection part.
Since it consists of a name display section that displays the
You can easily identify the application and name of the power line connection or power line connection.
It

【００１７】[0017]

【００１８】[0018]

【００１９】[0019]

【００２０】[0020]

【００２１】[0021]

【００２２】[0022]

【００２３】[0023]

【００２４】[0024]

【００２５】[0025]

【発明の実施の形態】本発明の実施の形態を図面を参照
して説明する。 （実施形態１）本実施形態のジョイントボックスの分解
斜視図を図１に、外観斜視図を図２に、一部破断した側
面図を図３に、使用状態を説明する説明図を図４に示
す。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. (Embodiment 1) FIG. 1 is an exploded perspective view of a joint box of the present embodiment, FIG. 2 is an external perspective view, FIG. 3 is a partially broken side view, and FIG. 4 is an explanatory view for explaining a use state. Show.

【００２６】ジョイントボックスＡのハウジング１は偏
平な直方体形状に形成されており、ハウジング１は上面
が開口する合成樹脂製のボディ１ａと、ボディ１ａに被
着される下面が開口した合成樹脂製のカバー１ｂとから
構成される。カバー１ｂの上面の６箇所にはとめ鋲２０
を挿通するための挿通孔２１ｂが穿設され、この挿通孔
２１ｂと挿通孔２１ｂに対応してボディ１ａに穿設され
た挿通孔２１ａとにはとめ鋲２０を挿通して先端をかし
めることによって、カバー１ｂがボディ１ａに固定され
る。図２に示すように、ハウジング１の対向する２面の
略中央には電源線を接続するための電源線接続部２がそ
れぞれ設けられ、各電源線接続部２の両側には分岐用の
一対の分岐線接続部３がそれぞれ設けられており、電源
線接続部２及び分岐線接続部３はそれぞれボディ１ａ及
びカバー１ｂの端面から突出する形で形成されている。
このように、本実施形態では分岐線接続部３を電源線接
続部２と略平行な方向に設けているので、図４に示すよ
うに分岐線接続部３に接続される分岐線６１を、電源線
接続部２に接続される電源線６０と略平行な方向に引き
出すことができる。The housing 1 of the joint box A is formed in a flat rectangular parallelepiped shape, and the housing 1 is made of a synthetic resin body 1a having an open upper surface and a synthetic resin body having an open lower surface attached to the body 1a. It is composed of a cover 1b. Fasteners 20 are attached to the upper surface of the cover 1b at six locations.
An insertion hole 21b for inserting the insertion hole 21b is formed, and the insertion stud 21 is inserted into the insertion hole 21b and the insertion hole 21a formed in the body 1a corresponding to the insertion hole 21b to crimp the tip. Thus, the cover 1b is fixed to the body 1a. As shown in FIG. 2, a power supply line connecting portion 2 for connecting a power supply line is provided at approximately the center of the two opposing surfaces of the housing 1, and a pair of branching members is provided on both sides of each power supply line connecting portion 2. 2 are provided respectively, and the power supply line connecting portion 2 and the branch line connecting portion 3 are formed so as to project from the end faces of the body 1a and the cover 1b, respectively.
As described above, in the present embodiment, since the branch line connecting portion 3 is provided in a direction substantially parallel to the power supply line connecting portion 2, the branch line 61 connected to the branch line connecting portion 3 is connected to the branch line connecting portion 3 as shown in FIG. It can be pulled out in a direction substantially parallel to the power line 60 connected to the power line connecting portion 2.

【００２７】ボディ１ａは、ハウジング１の短辺方向に
沿って走る２条の中央隔壁１６ａによって、中央の収納
空間２３と左右の収納空間２４ａ，２４ｂとに分離され
る。電源線接続部２側の中央収納空間２３はハウジング
１の短辺方向に沿って走る２条の隔壁１６ｂによってさ
らに３つの端子板収納部１７に分離され、各端子板収納
部１７に後述する端子板７がそれぞれ収納される。分岐
線接続部３側の左収納空間２４ａ及び右収納空間２４ｂ
には、それぞれ、ハウジング１の短辺方向に沿って走る
３個１組の溝部２９が設けられており、各溝部２９には
後述する分岐用端子板２７が収納される。The body 1a is divided into a central storage space 23 and left and right storage spaces 24a, 24b by two central partitions 16a running along the short side direction of the housing 1. The central accommodating space 23 on the power line connecting portion 2 side is further divided into three terminal board accommodating portions 17 by two partitions 16b running along the short side direction of the housing 1, and each terminal board accommodating portion 17 has terminals described later. The boards 7 are stored respectively. Left storage space 24a and right storage space 24b on the side of the branch line connecting portion 3
Each is provided with a set of three groove portions 29 that run along the shorter side direction of the housing 1, and each groove portion 29 accommodates a branching terminal plate 27 described later.

【００２８】また、ボディ１ａの略中央部にはねじ等の
固定部材を挿通するための１対の貫通孔２２ａが穿設さ
れるとともに、貫通孔２２ａに対応するカバー１ｂの部
位に貫通孔２２ｂが穿設されており、貫通孔２２ａ，２
２ｂに挿通されたねじ等の固定部材（図示せず）を用い
てハウジング１を造営材に取り付けることができ、しか
も貫通孔２２ａ，２２ｂをハウジング１の中央に設けて
いるので、ハウジング１の外周部に固定部材を挿通する
ための貫通孔を形成する場合に比べてハウジング１の外
寸を小さくできる。なお、カバー１ｂの内部構造は図示
しないが、上記ボディ１ａの内部構造と略同様に形成し
てある。In addition, a pair of through holes 22a for inserting a fixing member such as a screw is formed in the substantially central portion of the body 1a, and a through hole 22b is formed at a portion of the cover 1b corresponding to the through holes 22a. Are provided, and the through holes 22a, 2
The housing 1 can be attached to the building material by using a fixing member (not shown) such as a screw inserted through the housing 2b. Further, since the through holes 22a and 22b are provided in the center of the housing 1, the outer circumference of the housing 1 The outer size of the housing 1 can be made smaller than in the case where a through hole for inserting the fixing member is formed in the portion. Although the internal structure of the cover 1b is not shown, it is formed in substantially the same manner as the internal structure of the body 1a.

【００２９】ここで、カバー１ｂの表面には、後述する
端子ブロック２５ａ〜２５ｃよりなる内部回路の回路図
を表示する回路表示部４１が設けられており、回路表示
部４１の表示からジョイントボックス内部の回路構成を
容易に把握できる。また、カバー１ｂの電源線接続部２
及び分岐線接続部３の付け根の部位には電源線接続部２
の名称を示す例えば「電源」「送り」の文字が書かれた
名称表示部４２ａや分岐線接続部３の名称を示す例えば
「分岐」の文字が書かれた名称表示部４２ｂが設けられ
ている。尚、名称表示部４２ａ，４２ｂは、カバー１ｂ
に形成した凹部内に「電源」「送り」「分岐」などの文
字が書かれたカードを収め、カードの表面を透明なカバ
ーで覆うように構成しても良いし、「電源」「送り」
「分岐」などの文字が書かれたシールを貼り付けるよう
にしても良い。Here, on the surface of the cover 1b, there is provided a circuit display section 41 for displaying a circuit diagram of an internal circuit composed of terminal blocks 25a to 25c which will be described later. From the display of the circuit display section 41 to the inside of the joint box. The circuit configuration of can be easily grasped. In addition, the power line connecting portion 2 of the cover 1b
And the power supply line connecting portion 2 at the base of the branch line connecting portion 3.
For example, a name display portion 42a indicating the name of "power supply" and "feed" indicating the name of the name and a name display portion 42b indicating the name of the branch line connecting portion 3 such as the name of "branch" are provided. . The name display portions 42a and 42b are provided on the cover 1b.
A card with characters such as "power", "feed", and "branch" written on it may be placed in the recess formed on the surface, and the surface of the card may be covered with a transparent cover.
A sticker on which characters such as "branch" are written may be attached.

【００３０】このように、表示部たる回路表示部４１及
び名称表示部４２ａ，４２ｂをハウジング１の表面に設
けているので、回路表示部４１及び名称表示部４２ａ，
４２ｂの表示から電気配線に必要な情報を読み取ること
ができ、配線作業時にジョイントボックス４０の内部回
路図や用途などを図面等から調べる手間が省け、配線時
の作業性が向上する。Since the circuit display portion 41 and the name display portions 42a and 42b, which are the display portions, are provided on the surface of the housing 1 as described above, the circuit display portion 41 and the name display portion 42a and 42a,
The information required for electric wiring can be read from the display of 42b, and the work of wiring can be improved by eliminating the need to check the internal circuit diagram and application of the joint box 40 from the drawings during wiring work.

【００３１】電源線接続部２は略直方体状に形成され、
電源線接続部２の端面略中央には電源線６０を挿入する
ための略長円形状の電線挿入口たる凹部１１が設けら
れ、凹部１１の底にはハウジング１の短辺方向に沿って
３列の芯線挿入口１２が形成してあり、芯線挿入口１２
はそれぞれ中央収納空間２３の端子板収納部１７と連通
する。各端子板収納部１７にはそれぞれ端子板７が収納
してあり、端子板７の両端部はそれぞれ略コ字状に形成
され、端子板７の両端のコ字状部７ａには鎖錠ばね８を
収納して速結端子部２８が構成してある。なお、芯線挿
入口１２は先端ほど細くなるように形成されており、端
子板７と鎖錠ばね８との間に電源線６０の芯線が確実に
挿入されるようになっている。The power line connecting portion 2 is formed in a substantially rectangular parallelepiped shape,
A recess 11 which is a substantially elliptical electric wire insertion port for inserting the power supply line 60 is provided substantially in the center of the end surface of the power supply line connecting portion 2, and the bottom of the recess 11 is formed along the short side direction of the housing 1 by 3 The core wire insertion opening 12 of the row is formed, and the core wire insertion opening 12 is formed.
Respectively communicate with the terminal board housing portion 17 of the central housing space 23. The terminal boards 7 are housed in the respective terminal board housings 17, both ends of the terminal boards 7 are formed in a substantially U-shape, and locking springs are provided in the U-shapes 7a at both ends of the terminal boards 7. A quick-connect terminal portion 28 is formed by housing 8 therein. The core wire insertion port 12 is formed so as to become thinner toward the tip, so that the core wire of the power supply line 60 can be reliably inserted between the terminal plate 7 and the locking spring 8.

【００３２】ここで、端子板７のコ字状部７ａ及び鎖錠
ばね８から構成される速結端子部２８について図１及び
図３を参照して詳細に説明する。鎖錠ばね８の鎖錠片８
ｂ及び接触片８ｃは、弾性を有する導電材料の帯板の両
端部を曲成して中央片８ａの両端部に形成される。中央
片８ａは端子板７の下面に当接し、鎖錠片８ｂは中央片
８ａとの連結部位から先端縁に向かって端子板７の上面
に近付く向きに傾斜し、接触片８ｃは略Ｓ字状に曲成さ
れており、鎖錠ばね８に設けた鎖錠片８ｂ及び接触片８
ｃが端子板７の上面に対向する。また、端子板７のコ字
状部７ａには切欠７ｂが設けてある。Here, the quick-connecting terminal portion 28 composed of the U-shaped portion 7a of the terminal plate 7 and the locking spring 8 will be described in detail with reference to FIGS. Locking piece 8 of locking spring 8
The b and the contact piece 8c are formed at both ends of the central piece 8a by bending both ends of a strip plate of a conductive material having elasticity. The central piece 8a abuts on the lower surface of the terminal plate 7, and the locking piece 8b inclines toward the top edge of the terminal plate 7 from the connecting portion with the central piece 8a, and the contact piece 8c is substantially S-shaped. Locking piece 8b and contact piece 8 provided in the locking spring 8
c faces the upper surface of the terminal plate 7. Further, the U-shaped portion 7a of the terminal plate 7 is provided with a cutout 7b.

【００３３】ところで、鎖錠ばね８に対応する電源線接
続部２の部位には凹所３４が形成され、凹所３４とハウ
ジング１の内部とは開口３５を介して連通されており、
この凹所３４に解除釦９が回動自在に配設されている。
解除釦９は、指で押圧可能な大きさの操作面を有した操
作部９ａと、各端子板７の切欠７ｂからそれぞれ露出す
る各鎖錠ばね８の鎖錠片８ｂとそれぞれ当接する押圧突
起９ｂと、カバー１ｂの内壁と当接して解除釦９の支点
となる支点突起９ｃとを有している。ここで、解除釦９
はカバー１ｂの表面に露出しており、操作部９ａの前面
である操作面を指で押圧すれば、解除釦９が支点突起９
ｃを中心として回転し、解除釦９の押圧突起９ｂが各鎖
錠ばね８の鎖錠片８ｂを端子板７の上面から離れる方向
に押圧する。その結果、３個の鎖錠片８ｂと端子片７と
の間に挟持された電源線の芯線を同時に取り外すことが
できる。なお、中央収納空間２３の両側にそれぞれ配設
された３個１組の速結端子部２８のうちの１個はアース
用である。By the way, a recess 34 is formed at a portion of the power supply line connecting portion 2 corresponding to the lock spring 8, and the recess 34 and the inside of the housing 1 are communicated with each other through an opening 35.
The release button 9 is rotatably arranged in the recess 34.
The release button 9 is a pressing projection that comes into contact with an operating portion 9a having an operating surface of a size that can be pressed with a finger, and locking pieces 8b of the locking springs 8 exposed from the cutouts 7b of the terminal plates 7, respectively. 9b and a fulcrum protrusion 9c that comes into contact with the inner wall of the cover 1b and serves as a fulcrum of the release button 9. Here, release button 9
Is exposed on the surface of the cover 1b, and when the operating surface, which is the front surface of the operating portion 9a, is pressed with a finger, the release button 9 causes the fulcrum protrusion 9
Rotating about c, the pressing projection 9b of the release button 9 presses the locking piece 8b of each locking spring 8 in the direction away from the upper surface of the terminal plate 7. As a result, the core wire of the power supply line sandwiched between the three locking pieces 8b and the terminal piece 7 can be removed at the same time. It should be noted that one of the three quick-connect terminal portions 28 arranged on both sides of the central storage space 23 is for grounding.

【００３４】また分岐線接続部３は、分岐線６１の端部
に配線されたハーネスプラグ５０の前面の凹部内に嵌合
される略直方体状の挿着部３ｂを有し、この挿着部３ｂ
の前面にはハーネスプラグ５０の凹部内に突出する栓刃
が挿入される栓刃挿入口１９が形成されている。各栓刃
挿入口１９は左右の収納空間２４ａ，２４ｂの溝部２９
にそれぞれ連通しており、この溝部２９にはそれぞれ３
個１組の分岐用端子板２７が収納されている。分岐用端
子板２７の左右両端部にはそれぞれ栓刃受け部２６が設
けてあり、各栓刃受け部２６が栓刃挿入口１９に対向す
るように分岐用端子板２７が溝部２９に収納される。そ
して、栓刃受け部２６はそれぞれ栓刃挿入口１９から挿
入されるハーネスプラグ５０の栓刃を弾性挟持する。な
お、３個１組の栓刃受け部２６のうちの１個はアース用
である。Further, the branch line connecting portion 3 has a substantially rectangular parallelepiped insertion portion 3b which is fitted in the concave portion on the front surface of the harness plug 50 wired at the end of the branch line 61. 3b
A front blade insertion opening 19 into which a front blade protruding into the concave portion of the harness plug 50 is inserted is formed on the front surface of the. Each blade insertion port 19 has a groove 29 in the left and right storage spaces 24a, 24b.
3 and each of these grooves 29 are connected to each other.
A set of branching terminal plates 27 is stored. The blade terminal receiving portions 26 are provided on both left and right ends of the branching terminal plate 27, and the branching terminal plate 27 is housed in the groove portion 29 so that each blade receiving portion 26 faces the blade insertion opening 19. It The blade reception portions 26 elastically clamp the blades of the harness plug 50 inserted from the blade insertion opening 19. In addition, one of the blade reception portions 26 of the set of three is for grounding.

【００３５】ここで、左右の収納空間２４ａ，２４ｂに
それぞれ配置した３個１組の分岐用端子板２７は、それ
ぞれ対応する端子板同士をリード板５ａ，５ｂ，５ｃに
より接続し、リード板５ａ〜５ｃにより連結された分岐
用端子板２７と中央収納空間２３に配置した３つの端子
板７とを連結部材たる連結片６により連結して、端子ブ
ロック２５ａ，２５ｂ，２５ｃを構成してある。Here, the three sets of branching terminal plates 27 respectively arranged in the left and right storage spaces 24a, 24b are connected to each other by the lead plates 5a, 5b, 5c, and the lead plates 5a are connected. Terminal blocks 25a, 25b, 25c are formed by connecting the branching terminal plates 27 connected by 5c to the three terminal plates 7 arranged in the central storage space 23 by connecting pieces 6 which are connecting members.

【００３６】電源線接続部２に電源線６０を接続する場
合には、芯線挿入口１２から電源線６０の被覆が剥かれ
た芯線（図示せず）を挿入すると、鎖錠ばね８のばね力
により、鎖錠ばね８の鎖錠片８ｂ及び接触片８ｃと端子
板７との間に芯線の導体が挟持され、鎖錠片８ｂの先端
縁が芯線の導体に食い込むことによって、芯線の脱落が
防止されるようになっている。したがって、芯線挿入口
１２に芯線を挿入するだけで、芯線が保持されるととも
に、端子板７への電気的接続がなされるのである。ま
た、電源線接続部２に接続された電源線６０の芯線を外
す場合は、カバー１ｂの表面に露出する解除釦９の操作
部９ａを押圧することにより、解除釦９の押圧突起９ｂ
が鎖錠ばね８の鎖錠片８ｂを押圧し、鎖錠片８ｂを端子
板７から離れる方向に撓ませるので、鎖錠片８ｂが芯線
の導体から離れて、電源線６０を容易に引き抜くことが
できる。When the power supply line 60 is connected to the power supply line connecting portion 2, when a core wire (not shown) having the coating of the power supply wire 60 removed is inserted from the core wire insertion port 12, the spring force of the locking spring 8 is inserted. As a result, the conductor of the core wire is sandwiched between the locking piece 8b and the contact piece 8c of the locking spring 8 and the terminal plate 7, and the leading edge of the locking piece 8b bites into the conductor of the core wire, so that the core wire is prevented from falling off. It is supposed to be prevented. Therefore, only by inserting the core wire into the core wire insertion port 12, the core wire is held and the electrical connection to the terminal board 7 is made. Further, when the core wire of the power supply line 60 connected to the power supply line connecting portion 2 is removed, by pressing the operation portion 9a of the release button 9 exposed on the surface of the cover 1b, the pressing protrusion 9b of the release button 9 is pressed.
Presses the locking piece 8b of the locking spring 8 and bends the locking piece 8b in the direction away from the terminal board 7, so that the locking piece 8b separates from the conductor of the core wire and the power line 60 can be easily pulled out. You can

【００３７】また、分岐線接続部３の上面にはハーネス
プラグ５０の挿入方向に沿って走る２条の誤接続防止部
たる凹溝１４が形成されている。これら凹溝１４はハー
ネスプラグ５０の凹部の内面に形成された突条（図示せ
ず）が嵌まるもので、凹溝１４と突条との嵌合によりハ
ーネスプラグ５０の逆差しあるいは定格や用途の異なる
ハーネスプラグ５０が接続されるのを防止している。ま
た、２条の凹溝１４の間には凹溝１４と略直交する方向
に走る被係止部たる凹条１５が形成されている。一方、
ハーネスプラグ５０の上面にはロック釦５１が設けられ
ており、このロック釦５１の裏側に設けられた抜け止め
用の爪（図示せず）が凹条１５に係止することにより、
ハーネスプラグ５０の抜け止めが行われるので、ハーネ
スプラグ５０に外力などが加わっても抜け難くなってい
る。なおロック釦５１を操作して爪と凹条１５との係止
状態を外せば、ハーネスプラグ５０を分岐線接続部３か
ら容易に取り外すことができる。Further, on the upper surface of the branch line connecting portion 3, there are formed two recessed grooves 14 which are erroneous connection preventing portions and run along the inserting direction of the harness plug 50. These recessed grooves 14 are fitted with protrusions (not shown) formed on the inner surface of the recesses of the harness plug 50. By fitting the recessed grooves 14 with the protrusions, the harness plug 50 may be inserted in the reverse direction or rated or used. This prevents different harness plugs 50 from being connected. Further, between the two recessed grooves 14, there is formed a recessed ridge 15 which is a locked portion and runs in a direction substantially orthogonal to the recessed groove 14. on the other hand,
A lock button 51 is provided on the upper surface of the harness plug 50, and a retaining claw (not shown) provided on the back side of the lock button 51 is locked to the recessed line 15,
Since the harness plug 50 is prevented from coming off, it is difficult to remove the harness plug 50 even if an external force is applied to the harness plug 50. The harness plug 50 can be easily removed from the branch line connecting portion 3 by operating the lock button 51 to release the locking state between the claw and the recess 15.

【００３８】なお、分岐線接続部３の凹溝１４とハーネ
スプラグ５０の突条の形成位置を電気的定格や用途に応
じて異ならせれば、電気的定格や用途の異なるハーネス
プラグが接続されるのを防止できる。例えば分岐ケーブ
ル方式の場合の誤接続防止部を図７乃至図１０に示し、
幹線ケーブル方式の誤接続防止部を図１１及び図１２に
示す。尚、分岐ケーブル方式のものと幹線ケーブル方式
のものとでは栓刃５２の間隔Ｌ１や突条５０ｂの間隔Ｌ
２，Ｌ３が異なっており、前者に比べて後者のものでは
間隔が広くなっている。また１００Ｖ系列のものと２０
０Ｖ系列のものとでも栓刃５２の間隔Ｌ１や突条５０ｂ
の間隔Ｌ２，Ｌ３が異なっており、前者に比べて後者の
ものでは間隔が広くなっている。If the positions where the groove 14 of the branch line connecting portion 3 and the ridges of the harness plug 50 are formed differ depending on the electrical rating and the application, harness plugs having different electrical ratings and applications will be connected. Can be prevented. For example, the erroneous connection prevention unit in the case of the branch cable system is shown in FIGS.
An erroneous connection prevention unit of the trunk cable system is shown in FIGS. 11 and 12. In addition, in the branch cable system and the trunk cable system, the interval L1 between the blades 52 and the interval L between the protrusions 50b are L.
2 and L3 are different, and the latter is wider than the former. In addition, 20 with 100V series
Even with 0V series, the interval L1 of the blade 52 and the ridge 50b
The distances L2 and L3 are different from each other, and the distance between the latter is wider than that of the former.

【００３９】分岐ケーブル方式の定格２０Ａの２ピンの
ものでは、図７（ａ）（ｂ）に示すように、ジョイント
ボックスの分岐線接続部３に嵌まるハーネスプラグ５０
の凹部５０ａ内に２本の栓刃５２が前面側から見て右側
に寄せて配設されており、凹部５０ａ内面には２条の突
条５０ｂが形成されている。一方、ジョイントボックス
の分岐線接続部３の前面には２本の栓刃５２がそれぞれ
挿入される２個の栓刃挿入口１９が設けられ、上面には
２条の突条５０ｂがそれぞれ嵌まる２つの凹溝１４が形
成されている。In the case of a branch cable type two-pin connector having a rating of 20 A, as shown in FIGS. 7A and 7B, the harness plug 50 fitted in the branch line connecting portion 3 of the joint box.
In the recess 50a, two blades 52 are arranged closer to the right side when viewed from the front side, and two protrusions 50b are formed on the inner surface of the recess 50a. On the other hand, two blade insertion holes 19 into which two blades 52 are respectively inserted are provided on the front surface of the branch line connecting portion 3 of the joint box, and two protrusions 50b are fitted on the upper surface. Two concave grooves 14 are formed.

【００４０】また、分岐ケーブル方式の定格２０Ａの接
地２ピンのものでは、図８（ａ）（ｂ）に示すように、
ハーネスプラグ５０の凹部５０ａ内に３本の栓刃５２が
配設されており、凹部５０ａ内面には２条の突条５０ｂ
が形成されている。一方、ジョイントボックスの分岐線
接続部３の前面には３本の栓刃５２がそれぞれ挿入され
る３個の栓刃挿入口１９が設けられ、上面には２条の突
条５０ｂがそれぞれ嵌まる２つの凹溝１４が形成されて
いる。Further, in the case of a branch cable system with a grounding 2 pin with a rating of 20 A, as shown in FIGS. 8 (a) and 8 (b),
Three plug blades 52 are arranged in the recess 50a of the harness plug 50, and two protrusions 50b are provided on the inner surface of the recess 50a.
Are formed. On the other hand, the front surface of the branch line connecting portion 3 of the joint box is provided with three blade insertion holes 19 into which the three blades 52 are respectively inserted, and the two protrusions 50b are fitted on the upper surface. Two concave grooves 14 are formed.

【００４１】また更に、分岐ケーブル方式の定格２０Ａ
の片切りスイッチ用のものでは、図９（ａ）（ｂ）に示
すように、ハーネスプラグ５０の凹部５０ａ内に２本の
栓刃５２が前面側から見て右側に寄せて配設され、栓刃
５２が配設されていない側の凹部５０ａ内面に突条５０
ｂが１条形成されており、さらにコーナー部に面取り部
５０ｃが形成されている。一方、ジョイントボックスの
分岐線接続部３の前面には２本の栓刃５２がそれぞれ挿
入される２個の栓刃挿入口１９が設けられ、上面には突
条５０ｂが嵌まる凹溝１４が形成されており、さらにコ
ーナー部には上記面取り部５０ｃに嵌まる面取り部３ａ
が形成されている。Furthermore, a branch cable type rating of 20 A
9 (a) and 9 (b), the two blades 52 are arranged in the recess 50a of the harness plug 50 so as to be closer to the right side when viewed from the front side. The protrusion 50 is formed on the inner surface of the recess 50a on the side where the blade 52 is not disposed.
One b is formed, and a chamfered portion 50c is formed at the corner. On the other hand, two blade insertion holes 19 into which two blades 52 are respectively inserted are provided on the front surface of the branch line connection portion 3 of the joint box, and the concave groove 14 into which the protrusion 50b is fitted is provided on the upper surface. The chamfered portion 3a is formed at the corner and fits into the chamfered portion 50c.
Are formed.

【００４２】また分岐ケーブル方式の定格２０Ａの３路
スイッチ用のものでは、図１０（ａ）（ｂ）に示すよう
に、ハーネスプラグ５０の凹部５０ａ内に３本の栓刃５
２が配設されており、コーナー部に面取り部５０ｃが形
成されている。一方、ジョイントボックスの分岐線接続
部３の前面には３本の栓刃５２がそれぞれ挿入される３
個の栓刃挿入口１９が設けられ、コーナー部には上記面
取り部５０ｃに嵌まる面取り部３ａが形成されている。In a branch cable system for a three-way switch with a rating of 20 A, as shown in FIGS. 10 (a) and 10 (b), three plug blades 5 are provided in the recess 50a of the harness plug 50.
2 are provided, and chamfered portions 50c are formed at the corners. On the other hand, three plug blades 52 are respectively inserted into the front surface of the branch line connecting portion 3 of the joint box.
Individual blade insertion ports 19 are provided, and chamfered portions 3a that fit into the chamfered portions 50c are formed at the corners.

【００４３】また、幹線ケーブル方式の定格２０Ａの単
相３線（接地２ピン）のものでは、図１１（ａ）（ｂ）
に示すように、分岐ケーブル方式の定格２０Ａの接地２
ピンのものと略同じ形状を有しており、栓刃５２の間隔
Ｌ１や突条５０ｂの間隔Ｌ２が分岐ケーブル方式のもの
に比べて幅広になっている。また更に、幹線ケーブル方
式の定格２０Ａの三相３線のものでは、図１２（ａ）
（ｂ）に示すように、分岐ケーブル方式の３路スイッチ
用のものと略同じ形状を有しており、ハーネスプラグ５
０では凹部５０ａの内面に突条５０ｂが１条形成されて
おり、ジョイントボックスの分岐線接続部３では上面に
突条５０ｂが嵌まる凹溝１４が形成されている。また栓
刃５２の間隔Ｌ１や突条５０ｂの間隔Ｌ２が分岐ケーブ
ル方式のものに比べて幅広になっている。In addition, in the case of the main cable type single-phase three-wire (grounding two-pin) with a rating of 20 A, as shown in FIGS.
As shown in Fig. 2, the grounding 2 of the branch cable system with a rating of 20A
It has substantially the same shape as that of the pin, and the gap L1 between the blades 52 and the gap L2 between the protrusions 50b are wider than those of the branch cable system. Furthermore, in the case of a three-phase three-wire system with a rating of 20 A for the trunk cable system, FIG.
As shown in (b), it has substantially the same shape as that for the branch cable type three-way switch, and the harness plug 5
In No. 0, one protrusion 50b is formed on the inner surface of the recess 50a, and in the branch line connecting portion 3 of the joint box, the recess groove 14 into which the protrusion 50b is fitted is formed on the upper surface. Further, the interval L1 between the stopper blades 52 and the interval L2 between the protrusions 50b are wider than those of the branch cable type.

【００４４】上述のように、電源線接続部２に電源線６
０を接続する場合には、端部にハーネスプラグ５０など
のコネクタが接続されていない電源線６０の芯線を、電
源線接続部２の芯線挿入口１２に挿入し、芯線挿入口１
２内に納装された端子板７及び鎖錠ばね８からなる速結
端子部２８に接続する。一方、分岐線接続部３に分岐線
６１を接続する場合には、分岐線６１の端部に配線され
たハーネスプラグ５０を、ハーネスプラグ５０の凹部内
周面に設けた逆差し防止用の突条が凹溝１４に嵌まる向
きに合わせて、分岐線接続部３に押し込むと、ハーネス
プラグ５０の凹部内に突設された栓刃が栓刃挿入口１９
内に挿入され、栓刃挿入口１９の内部に配設された分岐
用端子板２７の栓刃受け部２６に弾性挟持される。そし
て、ロック釦５１の爪が凹条１５と係止して、ハーネス
プラグ５０の抜け止めを行うことができる。As described above, the power line 6 is connected to the power line connecting portion 2.
When connecting 0, the core wire of the power supply wire 60 to which the connector such as the harness plug 50 is not connected at the end is inserted into the core wire insertion opening 12 of the power supply wire connection portion 2, and the core wire insertion opening 1 is inserted.
It is connected to a quick-connecting terminal portion 28 composed of the terminal plate 7 and the locking spring 8 housed inside 2. On the other hand, when the branch line 61 is connected to the branch line connecting portion 3, the harness plug 50 wired at the end of the branch line 61 is provided on the inner peripheral surface of the recess of the harness plug 50 to prevent reverse insertion. When the strip is pushed into the branch line connecting portion 3 in the direction in which the strip fits in the groove 14, the blade protruding in the recess of the harness plug 50 is inserted into the blade insertion opening 19.
It is inserted inside and is elastically clamped by the blade receiving portion 26 of the branching terminal plate 27 arranged inside the blade insertion opening 19. Then, the claw of the lock button 51 engages with the concave line 15, and the harness plug 50 can be prevented from coming off.

【００４５】このようにすれば、電源線接続部２に接続
された電源線６０と、分岐線接続部３に接続された分岐
線６１とが、それぞれ、各端子ブロック２５ａ〜２５ｃ
を介して接続され、必要に応じて各分岐線接続部３に分
岐線６１を接続すれば、電源線６０を分岐線６１に分岐
させることができる。なお、このようにして分岐された
分岐線６１を別のジョイントボックスに接続してさらに
分岐してもよい。In this way, the power supply line 60 connected to the power supply line connecting portion 2 and the branch line 61 connected to the branch line connecting portion 3 are respectively connected to the terminal blocks 25a to 25c.
The power supply line 60 can be branched to the branch line 61 by connecting the branch line 61 to each branch line connecting portion 3 as required. The branch line 61 thus branched may be connected to another joint box and further branched.

【００４６】ジョイントボックスのハウジング１は、図
５に示すように、基台部８１及び断面略コ字状のカバー
部８２からなる取付部材８０を介して床面などの造営材
に取り付けられる。基台部８１は、信号線を接続するた
めのモジュラプラグ挿入口９１ａ及び信号線接続部（図
示せず）を備える情報用配線装置９０と共にジョイント
ボックスのハウジング１を載置する載置板８３と、載置
板８３の両側縁から延設された断面略Ｌ字状の固定片８
４，８４とから構成される。固定片８４には固定ねじ挿
通用の挿通孔８４ａが設けられており、挿通孔８４ａに
挿通した固定ねじを造営材に螺入することにより、基台
部８１が造営材に固定される。As shown in FIG. 5, the housing 1 of the joint box is attached to a construction material such as a floor through an attachment member 80 including a base portion 81 and a cover portion 82 having a substantially U-shaped cross section. The base portion 81 is a mounting plate 83 for mounting the housing 1 of the joint box together with an information wiring device 90 having a modular plug insertion port 91a for connecting a signal line and a signal line connecting portion (not shown). , A fixed piece 8 having a substantially L-shaped cross section extending from both side edges of the mounting plate 83
4, 84. The fixing piece 84 is provided with an insertion hole 84a for inserting a fixing screw, and the base portion 81 is fixed to the building material by screwing the fixing screw inserted into the insertion hole 84a into the building material.

【００４７】また載置板８３にはジョイントボックスの
ハウジング１や情報用配線装置９０をねじ固定するため
のねじ孔８３ａ，８３ｂが穿設されており、ハウジング
１は貫通孔２２ａ，２２ｂに挿通した固定ねじ８５によ
り載置板８３にねじ固定される。ここで、載置板８３と
固定片８４との間には段差が設けられているので、ジョ
イントボックスのハウジング１及び情報用配線装置９０
を造営材よりも高い位置に取り付けることができる。ま
た、情報用配線装置９０に対応する載置板８３の両側縁
には信号線止め部８６，８６が設けられており、信号線
止め部８６，８６により情報用配線装置９０に接続され
る信号線を保持して、信号線の抜け止めを行うことがで
きる。固定片８４が延設された載置板８３の２辺以外の
載置板８３の２辺には、カバー８２の両側片８２ａに突
設された係止爪８２ｂと係止離脱自在に係止する係止孔
８３ｄが形成された係止片８３ｃが設けられている。Further, the mounting plate 83 is provided with screw holes 83a and 83b for screwing the housing 1 of the joint box and the information wiring device 90, and the housing 1 is inserted into the through holes 22a and 22b. The mounting plate 83 is screwed and fixed by the fixing screw 85. Here, since a step is provided between the mounting plate 83 and the fixed piece 84, the housing 1 of the joint box and the information wiring device 90.
Can be installed higher than the construction material. Further, signal line stoppers 86, 86 are provided on both side edges of the mounting plate 83 corresponding to the information wiring device 90, and signals connected to the information wiring device 90 by the signal line stoppers 86, 86. The line can be held to prevent the signal line from coming off. On the two sides of the mounting plate 83 other than the two sides of the mounting plate 83 on which the fixing pieces 84 are extended, the locking claws 82b projectingly provided on the both side pieces 82a of the cover 82 are locked so that they can be released. A locking piece 83c having a locking hole 83d is provided.

【００４８】カバー８２は透明樹脂から形成されてお
り、係止爪８２ｂを係止孔８３ｄに係止させることによ
り、ジョイントボックスのハウジング１及び情報用配線
装置９０を覆うようにして、基台部８１に着脱自在に取
り付けられる。ところで、図１３（ａ）（ｂ）に示すよ
うに、電源線接続部２や分岐線接続部３の不使用時に、
凹部１１や栓刃挿入口１９からハウジング１の内部に塵
などが侵入するのを防止するために第１及び第２の防塵
カバー７３，７０を取り付けるようにしても良い。第２
の防塵カバー７０は、前板部７０ａから背方に向けて嵌
め込み突起７１を突設して構成してあり、嵌め込み突起
７１の外周には複数個のリブ７２が突設してある。そし
て、電源線接続部２に設けた凹部１１に第２の防塵カバ
ー７０の嵌め込み突起７１を嵌め込み、複数個のリブ７
２を凹部１１の内壁に圧接することで、第２の防塵カバ
ー７０が嵌め込みやすく、且つ、第２の防塵カバー７０
が容易に外れないようになっている。また、第１の防塵
カバー７３は、分岐線接続部３の栓刃挿入口１９に臨む
面に複数の凸リブ７４を形成し、この凸リブ７４を栓刃
挿入口１９内に挿入することで、分岐線接続部３に取り
付くようにしてある。The cover 82 is made of a transparent resin, and the locking claw 82b is locked in the locking hole 83d so as to cover the housing 1 of the joint box and the information wiring device 90. It is detachably attached to 81. By the way, as shown in FIGS. 13A and 13B, when the power supply line connecting portion 2 and the branch line connecting portion 3 are not used,
The first and second dustproof covers 73 and 70 may be attached to prevent dust and the like from entering the inside of the housing 1 through the recess 11 and the blade insertion opening 19. Second
The dust-proof cover 70 has a fitting projection 71 projecting from the front plate portion 70a toward the back, and a plurality of ribs 72 projecting from the outer circumference of the fitting projection 71. Then, the fitting protrusions 71 of the second dustproof cover 70 are fitted into the recesses 11 provided in the power line connecting portion 2, and the plurality of ribs 7 are formed.
By pressing 2 to the inner wall of the concave portion 11, the second dustproof cover 70 can be easily fitted and the second dustproof cover 70 can be easily fitted.
Does not come off easily. Further, the first dust-proof cover 73 has a plurality of convex ribs 74 formed on the surface of the branch line connecting portion 3 facing the blade insertion opening 19, and the convex ribs 74 are inserted into the blade insertion opening 19. , The branch line connecting portion 3 is attached.

【００４９】（実施形態２）本実施形態のジョイントボ
ックスの分解斜視図を図１４に、一部破断した側面図を
図１５に、使用状態を説明する説明図を図１６に示す。
尚、実施形態１と同と同一の構成要素には同一の符号を
付して、その説明を省略する。本実施形態ではハウジン
グ１の長手方向の対向する二面に夫々電源線接続部２が
配設され、電源線接続部２が夫々配設された二面をつな
ぐ対向する二面に夫々１対の分岐線接続部３が配設され
ている。ここで、分岐線接続部３は電源線接続部２と略
直交する方向に設けられているので、分岐線６１を電源
線６０と略直交する方向に引き出すことができる。ボデ
ィ１ａはハウジング１の短辺方向に沿って走る２条の中
央隔壁１６，１６によって中央の収納空間２３と左右の
収納空間２４ａ，２４ｂに分離される。電源線接続部２
側の中央収納空間２３には、ハウジング１の短辺方向に
沿って走る２条の隔壁によって３つの端子板収納部１７
に分離され、この端子板収納部１７に端子板７がそれぞ
れ収納される。分岐線接続部３側の左収納空間２４ａ及
び右収納空間２４ｂは、それぞれ、隔壁１８によってハ
ウジング１の長手方向に沿って走る３個１組の溝部２９
に分離されており、各溝部２９には刃受ばね片４ａ〜４
ｃが収納される。(Embodiment 2) An exploded perspective view of a joint box of this embodiment is shown in FIG. 14, a partially broken side view is shown in FIG. 15, and an explanatory view for explaining a use state is shown in FIG.
The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In the present embodiment, the power supply line connecting portions 2 are respectively disposed on the two opposing surfaces in the longitudinal direction of the housing 1, and the pair of opposing two surfaces connecting the two power source connecting portions 2 are respectively provided. A branch line connecting portion 3 is provided. Here, since the branch line connection portion 3 is provided in a direction substantially orthogonal to the power supply line connection portion 2, the branch line 61 can be drawn out in a direction substantially orthogonal to the power supply line 60. The body 1a is divided into a central storage space 23 and left and right storage spaces 24a, 24b by two central partition walls 16, 16 running along the short side direction of the housing 1. Power line connection 2
In the central storage space 23 on the side, three terminal board storage portions 17 are formed by the two partitions that run along the short side direction of the housing 1.
The terminal boards 7 are housed in the terminal board housing portions 17, respectively. The left storage space 24a and the right storage space 24b on the side of the branch line connecting portion 3 are each a set of three groove portions 29 that run along the longitudinal direction of the housing 1 by the partition wall 18.
Blade receiving spring pieces 4a to 4 in each groove 29.
c is stored.

【００５０】一方、カバー１ｂの内部構造はボディ１ａ
と略同じ構造に形成されており、カバー１ｂの表面に
は、実施形態１と同様に、ジョイントボックスの内部回
路を表示する回路表示部４１と、電源線接続部２及び分
岐線接続部３の名称を表示する名称表示部４２ａ，４２
ｂとが設けられており、回路表示部４１や名称表示部４
２ａ，４２ｂの表示から電気配線に必要な情報を容易に
読み取ることができる。On the other hand, the internal structure of the cover 1b is the body 1a.
Like the first embodiment, the cover 1b is formed in substantially the same structure as that of the first embodiment, and the circuit display portion 41 for displaying the internal circuit of the joint box, the power supply line connecting portion 2, and the branch line connecting portion 3 are formed on the surface of the cover 1b. Name display portions 42a, 42 for displaying names
b is provided, and the circuit display unit 41 and the name display unit 4 are provided.
The information required for electrical wiring can be easily read from the displays of 2a and 42b.

【００５１】電源線接続部２は略直方体状に形成され、
電源線接続部２の略中央には電源線６０を挿入するため
の略長円形状の凹部１１が設けられ、凹部１１の底には
略垂直に３列の芯線挿入口１２が穿設してあり、各芯線
挿入口１２は中央収納空間２３の端子板収納部１７と連
通する。さらに、芯線挿入口１２は先端ほど細くなるよ
うに形成されており、端子板７と鎖錠ばね８との間に電
源線の芯線が確実に挿入されるようになっている。The power supply line connecting portion 2 is formed in a substantially rectangular parallelepiped shape,
A substantially elliptical recess 11 for inserting the power supply line 60 is provided substantially in the center of the power supply line connecting portion 2, and three rows of core wire insertion openings 12 are formed in the bottom of the recess 11 substantially vertically. Yes, each core wire insertion port 12 communicates with the terminal board housing portion 17 of the central housing space 23. Further, the core wire insertion port 12 is formed so as to become thinner toward the tip, so that the core wire of the power supply line can be reliably inserted between the terminal plate 7 and the locking spring 8.

【００５２】また、分岐線接続部３は略直方体状に形成
され、ハーネスプラグ５０の前面に設けられた凹部（図
示せず）内に嵌合される。そして、この凹部内に突設さ
れた栓刃（図示せず）が挿入される縦長孔からなる３個
の栓刃挿入口１９が分岐線接続部３の端面に形成されて
おり、各栓刃挿入口１９は左右の収納空間２４ａ，２４
ｂの溝部２９に連通し、この溝部２９にはそれぞれ３個
１組の刃受ばね片４ａ〜４ｃが収納されている。The branch line connecting portion 3 is formed in a substantially rectangular parallelepiped shape and is fitted in a recess (not shown) provided in the front surface of the harness plug 50. Then, three plug blade insertion openings 19 each having a vertically long hole into which a plug blade (not shown) protrudingly provided in the recess is inserted are formed on the end surface of the branch line connecting portion 3, and each plug blade is formed. The insertion port 19 has left and right storage spaces 24a, 24
The blade receiving spring pieces 4a to 4c are connected to the groove portion 29b of FIG.

【００５３】次に、ハウジング１の中央及び左右の収納
空間２３，２４ａ，２４ｂに収納される端子ブロック２
５ａ〜２５ｃについて以下に説明する。端子ブロック２
５ａは、両端部に栓刃受け部２６が曲成された略Ｕ字状
の導電性の刃受ばね片４ａと、栓刃受け部２６を外向き
にして一対の刃受ばね片４ａ，４ａを連結する略Ｌ字状
の導電性のリード板５ａと、側方に開口する断面略コ字
状の導電性の端子板７と、リード板５ａと端子板７とを
連結する導電性の連結部材たる連結片６とから構成され
る。Next, the terminal block 2 housed in the central and left and right housing spaces 23, 24a, 24b of the housing 1.
5a to 25c will be described below. Terminal block 2
5a is a substantially U-shaped conductive blade receiving spring piece 4a in which the blade receiving portions 26 are bent at both ends, and a pair of blade receiving spring pieces 4a, 4a with the blade receiving portion 26 facing outward. A substantially L-shaped conductive lead plate 5a for connecting with each other, a conductive terminal plate 7 having a substantially U-shaped cross-section opening to the side, and a conductive connection for connecting the lead plate 5a with the terminal plate 7. It is composed of a connecting piece 6 which is a member.

【００５４】端子ブロック２５ｂは、両端部に栓刃受け
部２６が曲成された略Ｕ字状の導電性の刃受ばね片４ｂ
と、栓刃受け部２６を外向きにして一対の刃受ばね片４
ｂ，４ｂを連結する中央部が平面方向と直交する方向に
略直角に折り曲げられた導電性のリード板５ｂと、端子
ブロック２５ａの端子板７と同一形状の導電性の端子板
７と、リード板５ｂと端子板７とを連結する導電性の連
結片６とから構成される。The terminal block 25b has a substantially U-shaped conductive blade receiving spring piece 4b in which the blade receiving portions 26 are bent at both ends.
And a pair of blade receiving spring pieces 4 with the blade receiving portion 26 facing outward.
a conductive lead plate 5b in which a central portion connecting b and 4b is bent at a substantially right angle in a direction orthogonal to the plane direction; a conductive terminal plate 7 having the same shape as the terminal plate 7 of the terminal block 25a; It is composed of a conductive connecting piece 6 for connecting the plate 5b and the terminal plate 7.

【００５５】端子ブロック２５ｃは、両端部に栓刃受け
部２６が曲成された略Ｕ字状の導電性の刃受ばね片４ｃ
と、栓刃受け部２６を外向きにして一対の刃受ばね片４
ｃ，４ｃを連結する中央部が平面方向に略直角に折り曲
げられた導電性のリード板５ｃと、端子ブロック２５ａ
の端子板７と同一形状の導電性の端子板７と、リード板
５ｃと端子板７とを連結する導電性の連結片６とから構
成される。The terminal block 25c has a substantially U-shaped conductive blade receiving spring piece 4c in which the blade receiving portions 26 are bent at both ends.
And a pair of blade receiving spring pieces 4 with the blade receiving portion 26 facing outward.
A conductive lead plate 5c whose center portion connecting c and 4c is bent at a substantially right angle in a plane direction, and a terminal block 25a.
The terminal plate 7 has the same shape as the terminal plate 7 and the conductive connecting piece 6 for connecting the lead plate 5c to the terminal plate 7.

【００５６】各端子ブロック２５ａ〜２５ｃの端子板７
の両端にはそれぞれ鎖錠ばね８，８が配置されており、
端子板７と鎖錠ばね８，８とで速結端子部２８が構成さ
れる。ここで、３個１組の速結端子部２８のうちの１個
はアース用である。なお、各端子ブロック２５ａ〜２５
ｃでは、刃受ばね片４ａ…、リード板５ａ…、連結片６
及び端子板７は、それぞれ、一方の部材に穿設した２個
の孔に他方の部材に形成した２個のダボをかしめて連結
され、各部材が電気的及び機械的に接続される。ここ
で、刃受ばね片４ａ〜４ｃ及びリード片５ａ〜５ｃは高
さを異ならせて交差しており、端子ブロック２５ａ〜２
５ｃは互いに接触することのないように、ハウジング１
の内部に収納される。すなわち、端子ブロック２５ｂの
構成部材の上側に端子ブロック２５ａの構成部材が配置
され、端子ブロック２５ｂの構成部材の下側に端子ブロ
ック２５ｃの構成部材が配置される。Terminal plate 7 of each terminal block 25a-25c
Locking springs 8 and 8 are arranged at both ends of
The terminal plate 7 and the locking springs 8 and 8 form a quick-connect terminal portion 28. Here, one of the three quick-connect terminal portions 28 is for grounding. In addition, each terminal block 25a-25
In c, the blade receiving spring pieces 4a, the lead plates 5a, and the connecting piece 6
The terminal plate 7 and the terminal plate 7 are connected by caulking two holes formed in one member into two dowels formed in the other member, and the respective members are electrically and mechanically connected. Here, the blade receiving spring pieces 4a to 4c and the lead pieces 5a to 5c intersect at different heights, and the terminal blocks 25a to 2c.
The housings 1 and 5c do not touch each other.
It is stored inside. That is, the constituent members of the terminal block 25a are arranged above the constituent members of the terminal block 25b, and the constituent members of the terminal block 25c are arranged below the constituent members of the terminal block 25b.

【００５７】また、端子ブロック２５ａ，２５ｃの刃受
ばね片４ａ，４ｃは同一形状に形成され、入れ換え自在
としてある。つまり、同一部材の表裏を逆にして刃受ば
ね片４ａ，４ｃに使用しているので、部品の種類を削減
することができる。ところで、各端子ブロック２５ａ〜
２５ｃの連結はボディ１ａへの組み込み前に行ってお
く。そして、各端子ブロック２５ａ〜２５ｃのボディ１
ａへの組み込みは以下の手順で行う。先ず、端子ブロッ
ク２５ｃを、端子板７が中央収納空間２３の左側の端子
板収納部１７に、刃受ばね片４ｃ，４ｃがそれぞれ左収
納空間２４ａの奥側の溝部２９、右収納空間２４ｂの手
前側の溝部２９に収まる形でボディ１ａに収める。次
に、端子ブロック２５ｂを、端子板７及び刃受ばね片４
ｂ，４ｂがそれぞれ中央収納空間２３の中央の端子板収
納部１７、左右収納空間２４ａ，２４ｂの中央の溝部２
９に収まる形でボディ１ａに収める。最後に、端子ブロ
ック２５ａを、端子板７が中央収納空間２３の右側の端
子板収納部１７に、刃受ばね片４ａ，４ａがそれぞれ左
収納空間２４ａの手前側の溝部２９、右収納空間２４ｂ
の奥側の溝部２９に収まる形でボディ１ａに収める。な
お、端子ブロック２５ａ〜２５ｃを収納する際には、鎖
錠ばね８を予め端子板７の両端に収めておく。Further, the blade receiving spring pieces 4a, 4c of the terminal blocks 25a, 25c are formed in the same shape and can be replaced. That is, since the same member is used for the blade receiving spring pieces 4a and 4c with the front and back reversed, the number of types of parts can be reduced. By the way, each terminal block 25a-
The connection of 25c is performed before the assembly into the body 1a. The body 1 of each terminal block 25a to 25c
The incorporation into a is performed by the following procedure. First, in the terminal block 25c, the terminal plate 7 is in the left terminal plate housing portion 17 of the central housing space 23, and the blade receiving spring pieces 4c, 4c are in the groove portion 29 on the inner side of the left housing space 24a and the right housing space 24b. It is housed in the body 1a so as to be housed in the groove 29 on the front side. Next, the terminal block 25b is attached to the terminal plate 7 and the blade receiving spring piece 4.
b and 4b are respectively the central terminal plate accommodating portion 17 of the central accommodating space 23 and the central groove portion 2 of the left and right accommodating spaces 24a and 24b.
It fits in the body 1a so that it fits in 9. Finally, in the terminal block 25a, the terminal plate 7 is in the terminal plate storage part 17 on the right side of the central storage space 23, and the blade receiving spring pieces 4a, 4a are the groove part 29 on the front side of the left storage space 24a and the right storage space 24b.
It is accommodated in the body 1a in such a manner that it is accommodated in the groove portion 29 on the inner side of the. When storing the terminal blocks 25a to 25c, the locking springs 8 are stored in advance at both ends of the terminal plate 7.

【００５８】さらに、刃受ばね片４ａ，４ｃでは、栓刃
受け部２６と、栓刃受け部２６，２６間を橋絡する部分
との間に側方に突出する突片２７を形成し、この突片２
７を先端の二股状に分離された部分で挟持する位置決め
リブと、突片２７と反対側の下面を支持する支持リブと
を、ボディ１ａの刃受ばね片４ａ，４ｃを収納する溝部
２９に形成してあるので、刃受ばね片４ａ，４ｃの位置
決めを容易に行うことができる。Further, in the blade receiving spring pieces 4a, 4c, a protruding piece 27 protruding laterally is formed between the blade receiving portion 26 and a portion bridging between the blade receiving portions 26, 26, This protrusion 2
Positioning ribs for sandwiching 7 in a bifurcated part at the tip and supporting ribs for supporting the lower surface on the side opposite to the protruding piece 27 are provided in the groove portion 29 for accommodating the blade receiving spring pieces 4a, 4c of the body 1a. Since it is formed, the blade receiving spring pieces 4a and 4c can be easily positioned.

【００５９】上述のようにボディ１ａに端子ブロック２
５ａ〜２５ｃを収めた状態でカバー１ｂを装着する。な
お、カバー１ｂの取付時には速結端子部２８の端子板７
と鎖錠ばね８との間に弾性係止される芯線を解除するた
めの２個の解除釦９を収めており、解除釦９の操作部９
ａを分岐線接続部２に対応するカバー１ｂの部位に設け
た凹部３４に配置して、ハウジング１の表面に露出させ
ているので、実施形態１と同様に、操作部９ａを操作し
て、芯線の弾性係止状態を容易に解除することができ
る。また、操作部９ａは手操作可能な大きさに形成され
ているので、特別な工具を用いることなく、芯線の取替
作業を行うことができる。As described above, the terminal block 2 is attached to the body 1a.
The cover 1b is attached with 5a to 25c accommodated. When the cover 1b is attached, the terminal plate 7 of the quick-connect terminal portion 28 is attached.
Two release buttons 9 for releasing the elastically locked core wire are housed between the lock spring 8 and the lock spring 8, and the operation portion 9 of the release button 9 is accommodated.
Since a is placed in the recess 34 provided in the portion of the cover 1b corresponding to the branch line connecting portion 2 and exposed on the surface of the housing 1, the operating portion 9a is operated in the same manner as in the first embodiment. The elastically locked state of the core wire can be easily released. Further, since the operating portion 9a is formed in a size that can be manually operated, it is possible to perform a core wire replacement operation without using a special tool.

【００６０】このジョイントボックスの使用状態を説明
する説明図を図１４に示す。床面５４には幅、深さとも
略同じ溝５５ａ，５５ｂが設けられており、溝５５ａ，
５５ｂは略直角に交差している。溝５５ａ，５５ｂが交
差する箇所には、電源線接続部２を電源線６０が配設さ
れる溝５５ａ内に向けるとともに、分岐線接続部３を分
岐線６１が配設される溝５５ｂ内に向けて、ジョイント
ボックスを配設しており、分岐線接続部３を電源線接続
部２と略直交する方向に設けているので、分岐線６１を
電源線６０と略直交する方向に引き出すことができる。FIG. 14 shows an explanatory view for explaining the usage state of this joint box. Grooves 55a and 55b having substantially the same width and depth are provided on the floor surface 54.
55b intersects at a substantially right angle. At the intersection of the grooves 55a and 55b, the power supply line connecting portion 2 is directed into the groove 55a in which the power supply line 60 is arranged, and the branch line connecting portion 3 is arranged in the groove 55b in which the branch wire 61 is arranged. Since the joint box is provided and the branch line connecting portion 3 is provided in a direction substantially orthogonal to the power source line connecting portion 2, the branch line 61 can be drawn out in a direction substantially orthogonal to the power source line 60. it can.

【００６１】（実施形態３）本実施形態のジョイントボ
ックスの分解斜視図を図１７及び図１８に示す。尚、基
本的な構成は実施形態１と同様であるので、同一の構成
要素には同一の符号を付して、その説明を省略する。ジ
ョイントボックスＡのハウジング１は偏平な直方体形状
に形成されており、ハウジング１は上面が開口する合成
樹脂製のボディ１ａと、ボディ１ａに被着される下面が
開口した合成樹脂製のカバー１ｂとから構成される。カ
バー１ｂの上面の３箇所にはとめ鋲２０を挿通するため
の挿通孔２１ｂが穿設され、この挿通孔２１ｂと挿通孔
２１ｂに対応してボディ１ａに穿設された挿通孔２１ａ
とにはとめ鋲２０を挿通して先端をかしめることによっ
て、カバー１ｂがボディ１ａに固定される。ハウジング
１の対向する２面の一側には電源線を接続するための電
源線接続部２がそれぞれ設けられ、他側には分岐用の分
岐線接続部３がそれぞれ設けられており、電源線接続部
２及び分岐線接続部３はそれぞれボディ１ａ及びカバー
１ｂの端面から突出する形で形成されている。このよう
に、本実施形態では分岐線接続部３を電源線接続部２と
略平行な方向に設けているので、分岐線接続部３に接続
される分岐線を、電源線接続部２に接続される電源線と
略平行な方向に引き出すことができる。(Embodiment 3) FIGS. 17 and 18 are exploded perspective views of the joint box of the present embodiment. Since the basic configuration is the same as that of the first embodiment, the same components are designated by the same reference numerals and the description thereof will be omitted. The housing 1 of the joint box A is formed in a flat rectangular parallelepiped shape, and the housing 1 includes a synthetic resin body 1a having an open upper surface and a synthetic resin cover 1b having an open lower surface attached to the body 1a. Composed of. Insertion holes 21b for inserting the locking tacks 20 are formed at three positions on the upper surface of the cover 1b, and the insertion holes 21a formed in the body 1a corresponding to the insertion holes 21b and the insertion holes 21b.
The cover 1b is fixed to the body 1a by inserting the stud 20 into the and and crimping the tip. A power supply line connecting portion 2 for connecting a power supply line is provided on one side of each of two opposing surfaces of the housing 1, and a branch line connecting portion 3 for branching is provided on the other side. The connecting portion 2 and the branch line connecting portion 3 are formed so as to project from the end faces of the body 1a and the cover 1b, respectively. As described above, in the present embodiment, since the branch line connecting portion 3 is provided in the direction substantially parallel to the power supply line connecting portion 2, the branch line connected to the branch line connecting portion 3 is connected to the power line connecting portion 2. It can be pulled out in a direction substantially parallel to the power line.

【００６２】ボディ１ａの内部は隔壁１６により左右の
収納空間に分離され、電源線接続部２側の収納空間２
３’は２条の隔壁１６ｂによってさらに３つの収納空間
１７に分割してある。分岐線接続部３側の収納空間２４
は中央部に形成された切欠部１６ｃに連通する部分を残
して夫々２条の隔壁１６ｄ，１６ｅにより３つの収納空
間に分割してある。また、ボディ１ａの略中央部にはね
じ等の固定部材を挿通するための貫通孔２２ａが穿設さ
れるとともに、貫通孔２２ａに対応するカバー１ｂの部
位に貫通孔２２ｂが穿設されており、貫通孔２２ａ，２
２ｂに挿通されたねじ等の固定部材（図示せず）を用い
てハウジング１を造営材に取り付けることができる。
尚、カバー１ｂの内部構造は図示しないが、上記ボディ
１ａの内部構造と略同様に形成してある。The inside of the body 1a is divided into a left and right storage space by the partition wall 16, and the storage space 2 on the power line connecting portion 2 side is separated.
3'is further divided into three storage spaces 17 by two partitions 16b. Storage space 24 on the branch line connecting part 3 side
Is divided into three storage spaces by two partitions 16d and 16e, respectively, leaving a portion communicating with the notch 16c formed in the central portion. Further, a through hole 22a for inserting a fixing member such as a screw is bored in a substantially central portion of the body 1a, and a through hole 22b is bored in a portion of the cover 1b corresponding to the through hole 22a. , Through holes 22a, 2
The housing 1 can be attached to the building material by using a fixing member (not shown) such as a screw inserted through the 2b.
Although the internal structure of the cover 1b is not shown, it is formed in substantially the same manner as the internal structure of the body 1a.

【００６３】ハウジング１内に収められる端子ブロック
２５ａ〜２５ｃについて以下に説明する。端子ブロック
２５ａは、側方に開口する略コ字状に形成された端子板
７ａと、両端部に栓刃受け部２６が形成され両栓刃受け
部２６間を中央部が略直角に折り曲げられた接続片３１
ａで連結した分岐用端子板２７ａと、端子板７ａと分岐
用端子板２７ａとを連結するリード板５ａと、上記端子
板７ａの両端部に収められる２個の鎖錠ばね８とから構
成される。The terminal blocks 25a to 25c housed in the housing 1 will be described below. The terminal block 25a has a terminal plate 7a formed in a substantially U-shape that opens to the side, and blade reception portions 26 formed at both ends, and the center portion between the blade reception portions 26 is bent at a substantially right angle. Connection piece 31
a terminal plate 27a for branching connected by a, a lead plate 5a connecting the terminal plate 7a and the terminal plate 27a for branching, and two locking springs 8 housed at both ends of the terminal plate 7a. It

【００６４】端子ブロック２５ｂは、端子ブロック５ａ
の端子板７ａと同一形状の端子板７ｂと、両端部に栓刃
受け部２６が形成され両栓刃受け部２６間を直線状の接
続片３１ｂで連結した分岐用端子板２７ｂと、端子板７
ｂと分岐用端子板２７ｂとを連結するリード板５ｂと、
上記端子板７ｂの両端部に収められる２個の鎖錠ばね８
とから構成される。The terminal block 25b is the terminal block 5a.
A terminal plate 7b having the same shape as the terminal plate 7a, a terminal plate 27b for branching, in which the blade receiving portions 26 are formed at both ends, and the blade receiving portions 26 are connected by a linear connecting piece 31b. 7
a lead plate 5b for connecting b to the branch terminal plate 27b;
Two locking springs 8 housed in both ends of the terminal plate 7b
Composed of and.

【００６５】端子ブロック２５ｃは、端子ブロック５ａ
の端子板７ａと同一形状の端子板７ｃと、両端部に栓刃
受け部２６が形成され両栓刃受け部２６間が分岐用端子
板７ａとは相反する方向に中央部が略直角に折り曲げら
れた接続片３１ｃで連結された分岐用端子板２７ｃと、
端子板７ｃと分岐用端子板２７ｃとを連結するリード板
５ｃと、上記端子板７ｃの両端部に収められる鎖錠ばね
８とから構成される。The terminal block 25c is the terminal block 5a.
The terminal plate 7c having the same shape as that of the terminal plate 7a, and the blade receiving portions 26 are formed at both ends, and the central portion is bent at a substantially right angle in the direction opposite to the branching terminal plate 7a. A branching terminal plate 27c connected by the connected connection piece 31c,
It is composed of a lead plate 5c for connecting the terminal plate 7c and the branching terminal plate 27c, and a locking spring 8 housed at both ends of the terminal plate 7c.

【００６６】ここで、各端子ブロック２５ａ〜２５ｃの
端子板７ａ〜７ｃ及び分岐用端子板２７ａ〜２７ｃの適
所にダボを形成し、リード板５ａ〜５ｃの両端部に形成
された取付片の孔にダボをかしめて、夫々対応する端子
ブロックの端子板７ａ〜７ｃ及び分岐用端子板２７ａ〜
２７ｃ同士を連結する。尚、上記端子ブロック２５ａ，
２５ｃの分岐用端子板２７ａ，２７ｃは同一形状に形成
され、夫々の分岐用端子板２７ａ，２７ｃを入れ換え自
在としてあるので、分岐用端子板２７ａ，２７ｃを共通
部品として部品点数を削減するようにしてある。Here, dowels are formed at appropriate positions on the terminal plates 7a to 7c and the branching terminal plates 27a to 27c of the terminal blocks 25a to 25c, and holes of mounting pieces formed at both ends of the lead plates 5a to 5c. The dowels are crimped to the terminal blocks 7a to 7c and the branching terminal plates 27a to 27c of the corresponding terminal blocks.
27c are connected to each other. The terminal block 25a,
Since the branching terminal plates 27a and 27c of 25c are formed in the same shape and the branching terminal plates 27a and 27c can be interchanged, the number of parts can be reduced by using the branching terminal plates 27a and 27c as common parts. There is.

【００６７】上記端子板７ａ〜７ｃ及び分岐用端子板２
７ａ〜２７ｃ同士の連結はボディ１ａへの組込前に行っ
ておく。そして、各端子ブロック２５ａ〜２５ｃのボデ
ィ１ａへの組込は、まず端子板７ｃを収納空間２３’の
最も隔壁１６寄りの収納空間１７に収める形で端子ブロ
ック２５ｃをボディ１０に収め、次いで端子板７ｂを中
央の収納空間１７に収める形で端子ブロック２５ｂを収
め、最後に最も外側の収納空間１７に端子板７ａを収め
る形で端子ブロック２５ａを収める。このように端子ブ
ロック２５ａ〜２５ｃを収めた状態で、リード板５ａ〜
５ｃは互いに接触しないように形成してある。なお、端
子ブロック２５ａ〜２５ｃをボディ１ａに収める際には
各端子板７ａ〜７ｃの両端に鎖錠ばね８を予め収めてお
く。The terminal plates 7a to 7c and the branching terminal plate 2
The 7a to 27c are connected to each other before the assembly into the body 1a. The terminal blocks 25a to 25c are assembled into the body 1a by first fitting the terminal plate 7c into the housing space 23 'in the housing space 17 closest to the partition wall 16 and then housing the terminal block 25c into the body 10. The terminal block 25b is housed in the central housing space 17 and the terminal block 25a is housed in the outermost housing space 17. With the terminal blocks 25a to 25c housed in this manner, the lead plates 5a to
5c are formed so as not to contact each other. When the terminal blocks 25a to 25c are housed in the body 1a, the lock springs 8 are housed in advance at both ends of each terminal plate 7a to 7c.

【００６８】このようにしてボディ１ａに端子ブロック
２５ａ〜２５ｃを収めた状態でカバー１ｂをボディ１ａ
の上面に被着する。なお、カバー１ｂの取付時には端子
板２５ａ〜２５ｃと鎖錠ばね８とで構成される速結端子
部２８の解除操作を行うための解除釦９をハウジング１
の対応する部位に収める。この解除釦９は各電源線接続
部２の３個１組の鎖錠ばね８による芯線の接続状態を同
時に解除するものであり、解除釦９の操作部９ａは手操
作可能な大きさに形成されており、解除釦の操作部９ａ
は電源線接続部２に対応するカバー１ｂの部位に形成さ
れた凹部３４に配置され、カバー１ｂの表面に露出して
いるので、特別な工具を用いることなく、手操作で芯線
の接続状態を解除することができる。In this manner, the cover 1b is attached to the body 1a with the terminal blocks 25a to 25c housed in the body 1a.
On top of. When the cover 1b is attached, the release button 9 for releasing the quick-connect terminal portion 28 including the terminal plates 25a to 25c and the lock spring 8 is attached to the housing 1.
Put it in the corresponding part of. The release button 9 is for simultaneously releasing the connection state of the core wires by the lock springs 8 of each three of the power supply line connection portions 2, and the operation portion 9a of the release button 9 is formed in a size that can be manually operated. The operation part 9a of the release button
Is disposed in the recess 34 formed in the portion of the cover 1b corresponding to the power supply line connecting portion 2 and is exposed on the surface of the cover 1b. Therefore, the core wire connection state can be manually operated without using a special tool. It can be canceled.

【００６９】また、実施形態１と同様にカバー１ｂの表
面には回路表示部４１及び名称表示部４２ａ，４２ｂが
設けられている。ここに、名称表示部４２ａ，４２ｂは
カバー１ｂに形成された凹部４３と、名称が記載され凹
部４３内に収められるカード４４と、凹部４３の端面に
形成された係止溝４３ａと係止離脱自在に係止する係止
片４５ａが両端縁に突設された透明なカバー４５とから
なり、凹部４３内に収めたカード４４を覆うようにして
カバー４５が凹部４３に取り付けられているので、カバ
ー４５を通してカード４４の表示を読み取ることがで
き、カード４５の表示から電源線接続部２や分岐線接続
部３の用途を容易に判別できる。Further, similar to the first embodiment, the circuit display portion 41 and the name display portions 42a and 42b are provided on the surface of the cover 1b. Here, the name display portions 42a and 42b include a concave portion 43 formed in the cover 1b, a card 44 having a name and stored in the concave portion 43, and a locking groove 43a formed on an end surface of the concave portion 43 and locked and released. Since the locking piece 45a that freely locks is composed of the transparent covers 45 protruding from both end edges, and the cover 45 is attached to the recess 43 so as to cover the card 44 housed in the recess 43, The display of the card 44 can be read through the cover 45, and the use of the power supply line connecting portion 2 or the branch line connecting portion 3 can be easily discriminated from the display of the card 45.

【００７０】[0070]

【発明の効果】上記目的を達成するために、請求項１の
発明は、電源線の芯線を端子板と鎖錠ばねとの間に挟持
する速結端子部からなる電源線接続部と、前記電源線接
続部に電気的に接続されるとともに、ハーネスプラグの
前面に形成された凹部内に嵌合され、ハーネスプラグの
凹部内に突出する栓刃を挿入する栓刃挿入口が前面に形
成され、内装する栓刃受け部で栓刃を挟持する分岐線接
続部とをハウジングに配設し、押操作時に鎖錠ばねを端
子板から離れる方向に押圧する解除釦が鎖錠ばねに対応
する電源線接続部の部位に回動自在に配置され、解除釦
の操作部は手操作可能な大きさに形成されて、ハウジン
グの表面に露出しているので、特別な工具を用いること
なく解除釦の操作部を操作して電線の接続状態を容易に
解除できるという効果がある。 In order to achieve the above-mentioned object, the invention of claim 1 is a power supply line connecting portion comprising a quick-connect terminal portion for sandwiching a core wire of a power supply wire between a terminal plate and a locking spring, and It is electrically connected to the power supply line connection part and is fitted in the recess formed in the front surface of the harness plug to form a blade insertion opening into which the blade protruding into the recess of the harness plug is inserted. , The branch wire connection part that clamps the blade with the blade receiving part installed inside is installed in the housing, and the locking spring is terminated when pressing.
Release button that pushes away from the child plate corresponds to a lock spring
The release button is rotatably arranged at the power line connection
The operation part of the
Exposed on the surface of the tool, use a special tool
Without operating the release button operation part to easily connect the wires
The effect is that it can be canceled.

【００７１】請求項２の発明は、解除釦は、ハウジング
の内周面に設けられた係合凹所と係合する支点突起と、
鎖錠ばねと当接する押圧突起とを有し、操作部の押操作
により支点突起を支点として回動し、押圧突起が鎖錠ば
ねを端子板から離れる方向に押圧しているので、てこの
原理により少ない操作力で速結端子部と電線との接続状
態を解除できるという効果がある。請求項３の発明は、
ハウジングの表面に電気配線に必要な情報を表示する表
示部を設けているので、表示部の表示から電気配線に必
要な情報を読み取ることができ、配線作業の作業性が向
上するという効果がある。 According to a second aspect of the invention, the release button is the housing.
A fulcrum protrusion that engages with an engagement recess provided on the inner peripheral surface of
It has a pressing protrusion that comes into contact with the lock spring and pushes the operating part.
Pivots around the fulcrum protrusion as a fulcrum,
Since the blade is pressed away from the terminal board,
Due to the principle, the connection between the quick-connect terminal and the electric wire can be performed with a small amount of operating force.
The effect is that the state can be released. The invention of claim 3 is
A table showing the information required for electrical wiring on the surface of the housing
Since the display part is provided, it is necessary to connect the display to the electrical wiring.
The necessary information can be read, improving the workability of wiring work.
There is an effect of going up.

【００７２】請求項４の発明は、電源線接続部の端子板
と分岐線接続部の栓刃受け部とを連結して電気的に接続
する連結部材をハウジング内に収めているので、端子板
と栓刃受け部との間の配線を無くして、内部配線の手間
をなくすことができるという効果がある。請求項５の発
明は、分岐線接続部がハウジングの対向する２面の一側
に形成された場合において、各分岐線接続部の栓刃受け
部同士を一体に連結した刃受ばね体を形成し、刃受ばね
体を入れ換え自在な共通形状に形成しているので、部品
点数を減らすことができるという効果がある。According to the fourth aspect of the present invention, since the connecting member for connecting the terminal plate of the power supply line connecting portion and the blade receiving portion of the branch line connecting portion to electrically connect is housed in the housing, the terminal plate is provided. There is an effect that it is possible to eliminate the trouble of internal wiring by eliminating the wiring between the blade and the blade receiving portion. According to a fifth aspect of the present invention, when the branch line connecting portion is formed on one side of the two opposing surfaces of the housing, the blade receiving spring body is formed by integrally connecting the blade receiving portions of the branch line connecting portions. However, since the blade receiving springs are formed in a common shape that can be replaced, there is an effect that the number of parts can be reduced.

【００７３】請求項６の発明は、分岐線接続部は、電源
線接続部と略平行な方向に設けられており、請求項７の
発明は、略直方体状のハウジングの対向する二面の略中
央に電源線接続部をそれぞれ設けるとともに、前記二面
の電源線接続部の両側の部位にそれぞれ一対の分岐線接
続部を設けているので、分岐線を電源線と略平行な方向
に引き出すことができるという効果がある。According to a sixth aspect of the present invention, the branch line connecting portion is provided in a direction substantially parallel to the power source line connecting portion, and the seventh aspect of the present invention is such that the two opposing surfaces of the substantially rectangular parallelepiped housing are substantially in parallel with each other. Since the power supply line connecting portions are provided in the center and the pair of branch line connecting portions are provided on both sides of the power supply line connecting portions on the two surfaces, the branch lines are drawn out in a direction substantially parallel to the power supply line. There is an effect that can be.

【００７４】請求項８の発明は、分岐線接続部は、電源
線接続部と略直交する方向に設けられており、請求項９
の発明は、略直方体状のハウジングの対向する二面に電
源線接続部をそれぞれ設けるとともに、前記二面をつな
ぐ対向する二面にそれぞれ一対の分岐線接続部を設けて
いるので、分岐線を電源線と略直交する方向に引き出す
ことができるという効果がある。According to an eighth aspect of the invention, the branch line connecting portion is provided in a direction substantially orthogonal to the power source line connecting portion.
In the invention, the power supply line connecting portions are provided on the two opposing surfaces of the substantially rectangular parallelepiped housing, and the pair of branching line connecting portions are provided on the two opposing surfaces connecting the two surfaces. There is an effect that it can be pulled out in a direction substantially orthogonal to the power supply line.

【００７５】請求項１０の発明は、ハーネスプラグに設
けられた抜け止め用の爪と係止離脱自在に係止する凹条
を分岐線接続部の側面に設けているので、ハーネスプラ
グの爪と凹条とを係止させることにより、ハーネスプラ
グの抜け止めを行うことができるという効果がある。請
求項１１の発明は、分岐線接続部の側面に逆差しあるい
は定格や用途の異なるハーネスプラグが接続されるのを
防止する誤接続防止部を備えているので、逆差しあるい
は定格や用途の異なるハーネスプラグが接続されること
がなく、誤接続を防止できるという効果がある。According to the tenth aspect of the present invention, since the recessed line for locking and releasing the locking claw provided on the harness plug is provided on the side surface of the branch line connecting portion, By locking the concave line, it is possible to prevent the harness plug from coming off. Since the invention of claim 11 is provided with the wrong connection preventing portion for preventing the reverse connection or the connection of the harness plugs having different ratings and uses from being connected to the side surface of the branch line connecting part, the reverse insertion or the ratings and uses differ from each other. Since the harness plug is not connected, there is an effect that erroneous connection can be prevented.

【００７６】請求項１２の発明は、造営材に固定する固
定部材挿通用の貫通孔をハウジングの中央に設けている
ので、貫通孔に挿通した固定部材によりハウジングを造
営材に固定することができ、しかもハウジングの中央に
貫通孔を設けているので、ハウジングの外周に貫通孔を
設ける場合に比べてハウジングの外寸を小さくできると
いう効果がある。According to the twelfth aspect of the present invention, since the through hole for inserting the fixing member for fixing to the building material is provided in the center of the housing, the housing can be fixed to the building material by the fixing member inserted into the through hole. Moreover, since the through hole is provided in the center of the housing, there is an effect that the outer size of the housing can be reduced as compared with the case where the through hole is provided on the outer periphery of the housing.

【００７７】請求項１３の発明は、分岐線接続部に形成
された栓刃挿入口に嵌めて取り付ける第１の防塵カバー
を備えているので、不使用時に栓刃挿入口からハウジン
グの内部に塵などが侵入するのを防止できるという効果
がある。請求項１４の発明は、電源線接続部の電線挿入
口に嵌めて取り付ける第２の防塵カバーを備えているの
で、不使用時に電線挿入口からハウジングの内部に塵な
どが侵入するのを防止できるという効果がある。According to the thirteenth aspect of the present invention, since the first dustproof cover is fitted and attached to the blade insertion opening formed in the branch line connecting portion, dust is introduced into the housing from the blade insertion opening when not in use. This has the effect of preventing the entry of such things as. According to the fourteenth aspect of the invention, since the second dustproof cover is fitted and attached to the electric wire insertion port of the power supply line connecting portion, it is possible to prevent dust and the like from entering the inside of the housing through the electric wire insertion port when not in use. There is an effect.

【００７８】請求項１５の発明は、第２の防塵カバーに
電線挿入口に嵌め込んで取り付けるための嵌め込み突起
を形成しているので、簡単な構成で第２の防塵カバーを
取り付けることができるという効果がある。請求項１６
の発明は、嵌め込み突起の外周部に複数のリブを設け、
該リブを電線挿入口の内壁に圧接しているので、リブを
電線挿入口の内壁に圧接することにより第２の防塵カバ
ーを外れにくくできるという効果がある。According to the fifteenth aspect of the present invention, since the second dustproof cover is formed with the fitting projection for fitting into the electric wire insertion port to be mounted, the second dustproof cover can be mounted with a simple structure. effective. Claim 16
Of the invention, a plurality of ribs are provided on the outer peripheral portion of the fitting protrusion,
Since the rib is in pressure contact with the inner wall of the wire insertion port, there is an effect that it is difficult to remove the second dustproof cover by pressing the rib in contact with the inner wall of the wire insertion port.

【００７９】請求項１７の発明は、造営材に固定される
とともにハウジングを載置する基台部と、ハウジングを
覆うようにして前記基台部に着脱自在に取り付けられる
カバー部とからなる取付部材を介して造営材に固定され
ており、ハウジングは造営材に固定された取付部材に取
り付けられるので、一旦取り外したハウジングを再度取
り付ける際に位置決めを行う手間をなくすことができる
という効果がある。According to a seventeenth aspect of the present invention, there is provided a mounting member comprising a base portion fixed to the construction material and on which the housing is mounted, and a cover portion detachably attached to the base portion so as to cover the housing. Since the housing is fixed to the building material through the, and the housing is attached to the mounting member fixed to the building material, there is an effect that it is possible to eliminate the trouble of positioning when the housing once removed is mounted again.

【００８０】請求項１８の発明は、表示部は、内部回路
図を表示する回路表示部からなっているので、内部回路
の回路図を容易に判別できるという効果がある。 In the eighteenth aspect of the present invention, the display section is an internal circuit.
Since it consists of a circuit display section that displays a diagram, the internal circuit
There is an effect that the circuit diagram of can be easily discriminated.

【００８１】請求項１９の発明は、表示部は、分岐線接
続部や電源線接続部の用途や名称を表示する名称表示部
からなっているので、分岐線接続部や電源線接続部の用
途や名称を容易に判別できるという効果がある。 According to a nineteenth aspect of the present invention, the display section comprises a branch line connection.
Name display section that displays the application and name of the connection section and power line connection section
Since it consists of, it can be used for branch line connections and power line connections.
The effect is that the way and name can be easily identified.

【００８２】[0082]

【００８３】[0083]

【００８４】[0084]

【００８５】[0085]

【００８６】[0086]

【００８７】[0087]

【００８８】[0088]

【００８９】[0089]

【図面の簡単な説明】[Brief description of drawings]

【図１】実施形態１のジョイントボックスを示す分解斜
視図である。FIG. 1 is an exploded perspective view showing a joint box according to a first embodiment.

【図２】同上の斜視図である。FIG. 2 is a perspective view of the same.

【図３】同上の一部破断した側面図である。FIG. 3 is a partially cutaway side view of the above.

【図４】同上の使用状態を示す説明図である。FIG. 4 is an explanatory diagram showing a usage state of the above.

【図５】同上の取付状態を示す説明図である。FIG. 5 is an explanatory view showing a mounting state of the above.

【図６】従来の床配線システムを説明する説明図であ
る。FIG. 6 is an explanatory diagram illustrating a conventional floor wiring system.

【図７】実施形態１のジョイントボックスの誤接続防止
部を示し、（ａ）はハーネスプラグの正面図、（ｂ）は
ジョイントボックスの要部拡大図である。7A and 7B show an erroneous connection prevention unit of the joint box of the first embodiment, FIG. 7A is a front view of the harness plug, and FIG. 7B is an enlarged view of a main part of the joint box.

【図８】同上の誤接続防止部を示し、（ａ）はハーネス
プラグの正面図、（ｂ）はジョイントボックスの要部拡
大図である。FIG. 8 shows an erroneous connection prevention unit of the above, (a) is a front view of a harness plug, and (b) is an enlarged view of a main part of a joint box.

【図９】同上の誤接続防止部を示し、（ａ）はハーネス
プラグの正面図、（ｂ）はジョイントボックスの要部拡
大図である。FIG. 9 shows an erroneous connection prevention unit of the above, (a) is a front view of a harness plug, and (b) is an enlarged view of a main part of a joint box.

【図１０】同上の誤接続防止部を示し、（ａ）はハーネ
スプラグの正面図、（ｂ）はジョイントボックスの要部
拡大図である。FIG. 10 shows an erroneous connection prevention unit of the above, (a) is a front view of a harness plug, and (b) is an enlarged view of a main part of a joint box.

【図１１】同上の誤接続防止部を示し、（ａ）はハーネ
スプラグの正面図、（ｂ）はジョイントボックスの要部
拡大図である。FIG. 11 shows an erroneous connection prevention unit of the above, (a) is a front view of a harness plug, and (b) is an enlarged view of a main part of a joint box.

【図１２】同上の誤接続防止部を示し、（ａ）はハーネ
スプラグの正面図、（ｂ）はジョイントボックスの要部
拡大図である。12 is a front view of a harness plug, and FIG. 12B is an enlarged view of a main part of a joint box, showing an erroneous connection prevention unit of the same.

【図１３】（ａ）（ｂ）は第１及び第２の防塵カバーを
説明する説明図である。13 (a) and 13 (b) are explanatory views for explaining the first and second dustproof covers.

【図１４】実施形態２のジョイントボックスを示す分解
斜視図である。FIG. 14 is an exploded perspective view showing a joint box according to a second embodiment.

【図１５】同上の一部破断した側面図である。FIG. 15 is a partially cutaway side view of the above.

【図１６】同上の使用状態を示す説明図である。FIG. 16 is an explanatory diagram showing a usage state of the above.

【図１７】実施形態３のジョイントボックスを示す分解
斜視図である。FIG. 17 is an exploded perspective view showing a joint box according to a third embodiment.

【図１８】同上の分解斜視図である。FIG. 18 is an exploded perspective view of the above.

【符号の説明】 １ ハウジング １ａ ボディ １ｂ カバー ２ 電源線接続部 ３ 分岐線接続部 ７ 端子板 ８ 鎖錠ばね ９ 解除釦 ９ａ 操作部 ２８ 速結端子部 ４１ 回路表示部 ４２ａ，４２ｂ 名称表示部[Explanation of symbols] 1 housing 1a body 1b cover 2 Power line connection 3 Branch line connection 7 terminal board 8 locking spring 9 Release button 9a Operation part 28 quick-connect terminals 41 Circuit display 42a, 42b Name display section

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平４−351410（ＪＰ，Ａ) 特開 平６−196212（ＪＰ，Ａ) 特開 平４−325817（ＪＰ，Ａ) 特開 平８−317532（ＪＰ，Ａ) 特開 平６−283239（ＪＰ，Ａ) 特開 平４−325816（ＪＰ，Ａ) 実開 昭63−191818（ＪＰ，Ｕ) 実開 昭51−136497（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.⁷，ＤＢ名) H02G 3/38 H01R 4/48 H01R 25/00 ─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP-A-4-351410 (JP, A) JP-A-6-196212 (JP, A) JP-A-4-325817 (JP, A) JP-A-8- 317532 (JP, A) JP-A-6-283239 (JP, A) JP-A-4-325816 (JP, A) Actually opened 63-191818 (JP, U) Actually opened 51-136497 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H02G 3/38 H01R 4/48 H01R 25/00

Claims (19)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】電源線の芯線を端子板と鎖錠ばねとの間に
挟持する速結端子部からなる電源線接続部と、前記電源
線接続部に電気的に接続されるとともに、ハーネスプラ
グの前面に形成された凹部内に嵌合され、ハーネスプラ
グの凹部内に突出する栓刃を挿入する栓刃挿入口が前面
に形成され、内装する栓刃受け部で栓刃を挟持する分岐
線接続部とをハウジングに配設し、押操作時に鎖錠ばね
を端子板から離れる方向に押圧する解除釦が鎖錠ばねに
対応する電源線接続部の部位に回動自在に配置され、解
除釦の操作部は手操作可能な大きさに形成されて、ハウ
ジングの表面に露出することを特徴とするジョイントボ
ックス。1. A power supply line connecting portion comprising a quick-connecting terminal portion for sandwiching a core wire of a power supply line between a terminal plate and a locking spring, and a harness plug electrically connected to the power source line connecting portion. A branch line that is fitted in the recess formed on the front surface of the harness plug and has a blade insertion slot for inserting the blade protruding into the recess of the harness plug is formed on the front surface, and the blade is clamped by the internal blade receiving portion. The connecting part is arranged in the housing, and the locking spring is used when pushing.
The release button that pushes the button away from the terminal board
It is rotatably arranged at the corresponding power line connection part and
The operation part of the button is made large enough to be operated manually.
A joint box that is exposed on the surface of the ging. 【請求項２】解除釦は、ハウジングの内周面に設けられ
た係合凹所と係合する支点突起と、鎖錠ばねと当接する
押圧突起とを有し、操作部の押操作により支点突起を支
点として回動し、押圧突起が鎖錠ばねを端子板から離れ
る方向に押圧することを特徴とする請求項１記載のジョ
イントボックス。2. A release button is provided on the inner peripheral surface of the housing.
Fulcrum protrusion that engages with the engagement recess and the locking spring
It has a pressing protrusion, and the fulcrum protrusion is supported by pressing the operating section.
It rotates as a point, and the pressing protrusion separates the locking spring from the terminal plate.
The joint box according to claim 1, wherein the joint box is pressed in the direction of the arrow . 【請求項３】ハウジングの表面に電気配線に必要な情報
を表示する表示部を設けて成ることを特徴とする請求項
１記載のジョイントボックス。3. Information required for electrical wiring on the surface of the housing
The joint box according to claim 1, further comprising a display unit for displaying . 【請求項４】電源線接続部の端子板と分岐線接続部の栓
刃受け部とを連結して電気的に接続する連結部材をハウ
ジング内に収めて成ることを特徴とする請求項１記載の
ジョイントボックス。4. A connecting member for connecting the terminal plate of the power supply line connecting portion and the blade receiving portion of the branch line connecting portion for electrical connection is housed in a housing. Joint box. 【請求項５】分岐線接続部がハウジングの対向する２面
の一側に形成された場合において、各分岐線接続部の栓
刃受け部同士を一体に連結した刃受ばね体を形成し、刃
受ばね体を入れ換え自在な共通形状に形成したことを特
徴とする請求項４記載のジョイントボックス。5. A blade receiving spring body which integrally connects the plug blade receiving portions of each branch line connecting portion when the branch line connecting portion is formed on one side of two opposing surfaces of the housing, The joint box according to claim 4, wherein the blade receiving spring bodies are formed in a common shape that can be interchanged. 【請求項６】分岐線接続部は、電源線接続部と略平行な
方向に設けられたことを特徴とする請求項１記載のジョ
イントボックス。6. The joint box according to claim 1, wherein the branch line connecting portion is provided in a direction substantially parallel to the power supply line connecting portion. 【請求項７】略直方体状のハウジングの対向する二面の
略中央に電源線接続部をそれぞれ設けるとともに、前記
二面の電源線接続部の両側の部位にそれぞれ一対の分岐
線接続部を設けて成ることを特徴とする請求項１記載の
ジョイントボックス。7. A power supply line connecting portion is provided substantially in the center of two opposing surfaces of a substantially rectangular parallelepiped housing, and a pair of branch line connecting portions is provided on both sides of the power supply line connecting portion on the two surfaces. The joint box according to claim 1, wherein 【請求項８】分岐線接続部は、電源線接続部と略直交す
る方向に設けられたことを特徴とする請求項１記載のジ
ョイントボックス。8. The joint box according to claim 1, wherein the branch line connecting portion is provided in a direction substantially orthogonal to the power supply line connecting portion. 【請求項９】略直方体状のハウジングの対向する二面に
電源線接続部をそれぞれ設けるとともに、前記二面をつ
なぐ対向する二面にそれぞれ一対の分岐線接続部を設け
て成ることを特徴とする請求項１記載のジョイントボッ
クス。9. A power supply line connecting portion is provided on each of two opposing surfaces of a substantially rectangular parallelepiped housing, and a pair of branch line connecting portions is provided on each of two opposing surfaces connecting the two surfaces. The joint box according to claim 1. 【請求項１０】ハーネスプラグに設けられた抜け止め用
の爪と係止離脱自在に係止する凹条を分岐線接続部の側
面に設けたことを特徴とする請求項１記載のジョイント
ボックス。10. The joint box according to claim 1, wherein a recessed line for releasably engaging with a retaining claw provided on the harness plug is provided on a side surface of the branch line connecting portion. 【請求項１１】分岐線接続部の側面に逆差しあるいは定
格や用途の異なるハーネスプラグが接続されるのを防止
する誤接続防止部を備えて成ることを特徴とする請求項
１記載のジョイントボックス。11. The joint box according to claim 1, further comprising an erroneous connection preventing portion for preventing reverse connection or connection of harness plugs having different ratings or uses from the side surface of the branch line connecting portion. . 【請求項１２】造営材に固定する固定部材挿通用の貫通
孔をハウジングの中央に設けて成ることを特徴とする請
求項１記載のジョイントボックス。12. The joint box according to claim 1, wherein a through hole for inserting a fixing member fixed to the construction material is provided in the center of the housing. 【請求項１３】分岐線接続部に形成された栓刃挿入口に
嵌めて取り付ける第１の防塵カバーを備えて成ることを
特徴とする請求項１記載のジョイントボックス。13. The joint box according to claim 1, further comprising a first dustproof cover fitted and attached to a blade insertion opening formed in the branch line connecting portion. 【請求項１４】電源線接続部の電線挿入口に嵌めて取り
付ける第２の防塵カバーを備えて成ることを特徴とする
請求項１記載のジョイントボックス。14. The joint box according to claim 1, further comprising a second dustproof cover fitted and attached to the electric wire insertion port of the power supply line connecting portion. 【請求項１５】第２の防塵カバーに電線挿入口に嵌め込
んで取り付けるための嵌め込み突起を形成したことを特
徴とする請求項１４記載のジョイントボックス。15. The joint box according to claim 14, wherein the second dustproof cover is formed with a fitting projection for fitting and fitting into the wire insertion opening. 【請求項１６】嵌め込み突起の外周部に複数のリブを設
け、該リブを電線挿入口の内壁に圧接して成ることを特
徴とする請求項１５記載のジョイントボックス。16. The joint box according to claim 15, wherein a plurality of ribs are provided on the outer peripheral portion of the fitting protrusion, and the ribs are pressed against the inner wall of the electric wire insertion port. 【請求項１７】造営材に固定されるとともにハウジング
を載置する基台部と、ハウジングを覆うようにして前記
基台部に着脱自在に取り付けられるカバー部とからなる
取付部材を介して造営材に固定されることを特徴とする
請求項１記載のジョイントボックス。17. A construction material via a mounting member comprising a base portion fixed to the construction material and on which the housing is mounted, and a cover portion detachably attached to the base portion so as to cover the housing. The joint box according to claim 1, which is fixed to the joint box. 【請求項１８】表示部は、内部回路図を表示する回路表
示部からなることを特徴とする請求項３記載のジョイン
トボックス。18. A circuit table for displaying an internal circuit diagram on the display section.
Join <br/> boxes according to claim 3, characterized in that it consists of radical 113. 【請求項１９】表示部は、分岐線接続部や電源線接続部
の用途や名称を表示する名称表示部からなることを特徴
とする請求項３記載のジョイントボックス。 19. The display unit is a branch line connecting unit or a power line connecting unit.
The joint box according to claim 3 , further comprising a name display section that displays the use and name of the joint box .